DRAVO CORP
10-Q, 1997-11-14
MINING & QUARRYING OF NONMETALLIC MINERALS (NO FUELS)
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                SECURITIES AND EXCHANGE COMMISSION

                     Washington, D. C. 20549

                            FORM 10-Q


          Quarterly Report Under Section 13 or 15(d) of
               the Securities Exchange Act of 1934


For Quarter Ended:  September 30, 1997

Commission File Number:  1-5642  

                                                                               
                            DRAVO CORPORATION                                  
      (Exact name of registrant as specified in its charter)

           Pennsylvania                                  25-0447860          
(State or other jurisdiction of                        (I.R.S. employer
  incorporation or organization)                      identification no.)


One Oliver Plaza, Pittsburgh, Pennsylvania                 15222             
(Address of principal executive offices)                 (Zip Code)            

Registrant's telephone number, including area code:        (412) 566-3000     



Indicate by check mark whether the registrant (1) has filed all reports required
to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during
the preceding 12 months (or for such shorter period that the registrant was
required to file such reports), and (2) has been subject to such filing
requirements for the past 90 days.


Yes  X   No       

The number of shares outstanding of each of the registrant's classes of common
stock as of October 31, 1997:


     Title of Class                              Shares Outstanding
Common Stock, $1.00 par value                        14,780,836  

                DRAVO CORPORATION AND SUBSIDIARIES

                              INDEX


PART I - FINANCIAL INFORMATION
<TABLE>
<CAPTION>
                                                                  Page No.
     <S>                                                              <C>

     Consolidated Balance Sheets at September 30, 1997
     and December 31, 1996                                             3, 4
 
     Consolidated Statements of Earnings for the
     Quarters ended September 30, 1997 and 1996                           5
    
     Consolidated Statements of Earnings for the
     Nine Months ended September 30, 1997 and 1996                        6

     Consolidated Statements of Cash Flows for the
     Nine Months ended September 30, 1997 and 1996                     7, 8

     Notes to Consolidated Financial Statements                        9-12

     Management's Discussion and Analysis of Financial    
     Condition and Results of Operations                                 13


PART II - OTHER INFORMATION                                        
 
     Item 6.  Exhibits and Reports on Form 8-K                           14


SIGNATURES                                                               15

</TABLE>





                DRAVO CORPORATION AND SUBSIDIARIES
                    Consolidated Balance Sheets
                           ($ in 000's)

<TABLE>
<CAPTION>
                                               September 30, December 31,
                                                   1997          1996    
                                               (unaudited)

ASSETS
<S>                                               <C>          <C>
Current assets:
Cash and cash equivalents                         $  1,749     $  1,600
Accounts receivable, net                            20,396       23,265
Notes receivable, net                                  768          921
Inventories                                         17,988       16,481
Other current assets                                   625          751

 Total current assets                               41,526       43,018

Advances to and equity in joint ventures             2,953        2,093
Notes receivable                                     6,419        4,380
Other assets                                        25,854       25,066
Deferred income taxes                               24,853       24,853

Property, plant and equipment                      260,776      238,025
Less: accumulated depreciation and 
amortization                                       119,151      112,026

 Net property, plant and equipment                 141,625      125,999

   Total assets                                   $243,230     $225,409

</TABLE>


See accompanying notes to consolidated financial statements.

                DRAVO CORPORATION AND SUBSIDIARIES
                    Consolidated Balance Sheets
                           ($ in 000's)
<TABLE>
<CAPTION>
                                                 September 30, December 31,
                                                      1997        1996     
                                                  (unaudited)
LIABILITIES AND SHAREHOLDERS' EQUITY
<S>                                               <C>          <C>

Current liabilities:
Current portion of long-term notes                $  9,760     $  6,166
Accounts payable - trade                            14,165       14,542
Accrued insurance                                    2,642        1,906
Accrued retirement contribution                      1,810        1,785
Net liabilities of discontinued operations           4,432        6,299
Other current liabilities                            4,630        3,843

 Total current liabilities                          37,439       34,541

Long-term notes                                     71,390       63,535
Net liabilities of discontinued operations           5,953        6,786
Other liabilities                                    7,157        6,632

Redeemable preference stock:
     Par value $1, issued 200,000 shares: 
 Series D, $12.35 cumulative, convertible, 
 exchangeable (entitled in liquidation to 
 $20.0 million)                                     20,000       20,000

Shareholders' equity:
     Preference stock, par value $1, authorized 
 1,878,870: Series B, $2.475 cumulative, 
 convertible; issued 19,386 and 20,386 shares
 (entitled in liquidation to $1.1 million);             19           20
 Series D, reported above

     Common stock, par value $1, authorized 
 35,000,000 shares; issued 15,100,033
 and 15,096,817                                     15,100       15,097

Other capital                                       63,063       63,077
Retained earnings                                   27,316       20,063
Treasury stock at cost:
 Common shares 322,413 and 333,168                 (4,207)      (4,342)

Total shareholders' equity                         101,291       93,915

Total liabilities and shareholders' equity        $243,230     $225,409

</TABLE>



 See accompanying notes to consolidated financial statements.

                DRAVO CORPORATION AND SUBSIDIARIES
                Consolidated Statements of Earnings
          (unaudited, $ in 000's, except per share data)

<TABLE>
<CAPTION>
                                              Quarters ended September 30,
                                                   1997            1996  
<S>                                               <C>          <C>

Revenue                                           $ 40,966     $ 40,752
Cost of revenue                                     29,921       30,217

   Gross profit                                     11,045       10,535

Selling, general and administrative expenses         5,575        5,454

   Earnings from operations                          5,470        5,081

Other income (expense):
Equity in earnings of joint ventures                   259          234
Interest income                                         79            6
Interest expense                                   (1,926)      (1,575)

   Net other income (expense)                      (1,588)      (1,335)

Earnings before taxes                                3,882        3,746
Provision for income taxes                             127          113

Net earnings                                         3,755        3,633
Preference dividends                                   629          633

Net earnings available 
for common shares                                 $  3,126     $  3,000

Earnings per share                                $   0.21     $   0.20
 
Weighted average shares outstanding                 14,854       14,936

</TABLE>


See accompanying notes to consolidated financial statements.

                DRAVO CORPORATION AND SUBSIDIARIES
                Consolidated Statements of Earnings
          (unaudited, $ in 000's, except per share data)

<TABLE>
<CAPTION>
                                            Nine Months ended September 30,
                                                   1997            1996  
<S>                                               <C>          <C>

Revenue                                           $121,025     $118,325
Cost of revenue                                     90,680       88,707

   Gross profit                                     30,345       29,618

Selling, general and administrative expenses        16,356       15,777

   Earnings from operations                         13,989       13,841

Other income (expense):
Equity in earnings of joint ventures                   632          702
Other expense                                          (9)            -
Interest income                                        161          874
Interest expense                                   (5,095)      (4,911)

   Net other income (expense)                      (4,311)      (3,335)

Earnings before taxes                                9,678       10,506
Provision for income taxes                             537          316

Net earnings                                         9,141       10,190
Preference dividends                                 1,888        1,899

Net earnings available 
for common shares                                 $  7,253     $  8,291

Earnings per share                                $   0.49     $   0.56
 
Weighted average shares outstanding                 14,851       14,879

</TABLE>

See accompanying notes to consolidated financial statements.

                DRAVO CORPORATION AND SUBSIDIARIES
               Consolidated Statements of Cash Flows
                      (unaudited, $ in 000's)

<TABLE>
<CAPTION>
                                                                             
                                             Nine Months ended September 30,
                                                   1997            1996   
<S>                                               <C>         <C>
 
CASH FLOWS FROM OPERATING ACTIVITIES:
Net earnings                                      $  9,141    $  10,190
Adjustments to reconcile net earnings
 to net cash provided by continuing
 operations activities:
 Depreciation and amortization                       7,732        7,744
 Loss on disposal of assets                              9            -
 Equity in joint ventures                            (860)        (431)
 Changes in assets and liabilities:
  Decrease (increase) in accounts receivable         2,869      (1,314)
  Decrease (increase) in notes receivable          (1,886)           37
  Increase in inventories                          (1,507)      (1,020)
  Decrease (increase) in other current assets          188        (145)
  Increase (decrease) in accounts payable 
   and accrued expenses                              1,208      (1,431)
  Increase (decrease) in taxes payable                  24        (171)
  Increase in other assets                           (788)        (903)
  Increase in other liabilities                        525        1,954

Net cash provided by continuing
operations activities                               16,655       14,510

Net cash provided (used) by discontinued
operations activities                              (2,700)        4,932
  
Net cash provided by operating
activities                                          13,955       19,442

CASH FLOWS FROM INVESTING ACTIVITIES:
Additions to property, plant and equipment        (23,367)     (15,528)

Net cash used by investing activities           $ (23,367)   $ (15,528)

</TABLE>

See accompanying notes to consolidated financial statements.


                DRAVO CORPORATION AND SUBSIDIARIES
               Consolidated Statements of Cash Flows
                      (unaudited, $ in 000's)
<TABLE>
<CAPTION>
                                            Nine Months ended September 30,
                                                    1997         1996  
<S>                                              <C>          <C>

CASH FLOWS FROM FINANCING ACTIVITIES:
Net borrowing (repayment) under revolving
 credit agreements                               $ (1,010)     $  3,550
Principal payments under long-term notes           (6,204)      (6,014)
Proceeds from long-term notes                       18,663            -
Proceeds from issuance of common stock                   -          248
Dividends on preference stock                      (1,888)      (1,899)

Net cash provided (used) by financing
activities                                           9,561      (4,115)

Net increase (decrease) in cash and cash
equivalents                                            149        (201)
Cash and cash equivalents at beginning of
period                                               1,600        1,086

Cash and cash equivalents at end of period        $  1,749     $    885

SUPPLEMENTAL DISCLOSURES OF CASH FLOW INFORMATION:
     Cash paid during the period for:
 Interest (net of amount capitalized)             $  4,905     $  4,976
 Income taxes                                          517          487

</TABLE>

See accompanying notes to consolidated financial statements.


                DRAVO CORPORATION AND SUBSIDIARIES
            Notes to Consolidated Financial Statements

(1)       Basis of Presentation

     The accompanying consolidated financial statements include the
accounts of Dravo Corporation and its majority-owned subsidiaries (the
company). The principal subsidiary is Dravo Lime Company, one of the nation's
largest lime producers.  Significant intercompany balances and transactions
have been eliminated in the consolidation process.

     These unaudited consolidated financial statements include all
adjustments, consisting only of normal, recurring accruals, which management
considers necessary for a fair presentation of the company's consolidated
financial position, results of operations, and cash flows for the interim
periods presented.
     

(2)       Inventories

          Inventories are classified as follows:

          ($ in 000's)
<TABLE>
<CAPTION>
                                              September 30,      December 31,
                                                    1997           1996    
        <S>                                        <C>            <C>

        Finished goods                             $ 3,205        $ 2,586
        Materials and supplies                      14,783         13,895

        Net inventories                            $17,988        $16,481
</TABLE>
     Finished goods are valued at average production cost or market, whichever
is lower, and include raw materials, direct labor, and operating overhead. 
Materials and supplies are valued at average cost.  


(3)       Contingent Liabilities

     The company has been notified by the federal Environmental Protection
Agency (EPA) that the EPA believes the company is a potentially responsible
party (PRP) for the clean-up of soil and groundwater contamination at four
sub-sites in Hastings, NE.  The Hastings site is one of the EPA's priority
sites for taking remedial action under the Comprehensive Environmental
Response, Compensation and Liability Act (CERCLA).
    
     The company participated in an EPA-initiated allocation proceeding for
a municipal landfill sub-site to allocate shares of liability for past
response costs and costs of a proposed cap of the landfill.  As part of this
proceeding, the allocator conducted a mediation session which resulted in a
settlement among the EPA and the PRPs.  Pursuant to the settlement, the
company agreed to pay $702,000, or 14.33 percent of the $4.9 million past
costs and estimated source control costs for this sub-site.  A Consent Order
incorporating the settlement and an agreement among the private parties
concerning the construction and maintenance of the proposed cap is being
negotiated.  In exchange, the
company received contribution protection against third-party claims as
well as a covenant from the EPA not to sue for its past and future response
costs at this sub-site and matters covered by the settlement.
    
     The company has also been notified by the EPA that the EPA considers
it a PRP at another municipal landfill in Hastings.  At least three other
parties (including the City of Hastings) are considered by the EPA to be PRPs
at this second sub-site.  At this sub-site, the company has concluded that the
City of Hastings is primarily responsible for proper closure of the landfill
and the remediation of any release of hazardous substances. In January, 1994,
the EPA invited the company and the other PRPs to make an offer to conduct a
remedial investigation and feasibility study (RI/FS) of this sub-site and
stated that the EPA was in the process of preparing a work plan for the RI/FS. 
None of the PRPs accepted EPA's invitation to perform the RI/FS for this
sub-site. The EPA has conducted the remedial investigation.  The company is
considering a proposal to conduct the feasibility study along with other PRPs.
    
     With respect to the third sub-site, the company and two other PRPs have
been served with administrative orders directing them to undertake soil
remediation and interim groundwater remediation at that sub-site.  The company
is currently complying with these orders while reserving its right to seek
reimbursement from the United States for its costs if it is determined it is
not liable for response costs or if it is required to incur costs because of
arbitrary, capricious or unreasonable requirements imposed by the EPA.
    
     The EPA has taken no legal action with respect to its demand that the  
company and the other PRPs pay its past response costs.  A total of five
parties have been named by the EPA as PRPs at this sub-site, but two of them
have been granted de minimis status.  The company believes other persons
should also be named as PRPs.

     The fourth sub-site is a former naval ammunition depot which was
subsequently converted to an industrial park.  The company and its predecessor
owned and operated a manufacturing facility in this industrial park.  To date,
the company's investigation indicates that it did not cause the release of
hazardous substances at this sub-site during the time it owned and operated
the facility. The United States has undertaken to conduct the remediation of
this sub-site.
    
     In addition to sub-site clean-up, the EPA is seeking a clean-up of
area-wide contamination associated with all of the sub-sites in and around
Hastings, NE.  The company, along with other Hastings PRPs, has recommended
that the EPA adopt institutional controls as the area-wide remedy in Hastings. 
EPA has completed an area wide remedial investigation and has asked the PRPs
to agree to perform a feasibility study to determine whether institutional
controls or another remedial alternative should be undertaken.  The company,
along with other PRPs, are considering this proposal.  An acceptable area wide
remediation plan could result in interim remedies at the subsites becoming
final remedies.
    
On August 10, 1992, the company filed suit in the Alabama District
Court against its primary liability insurance carriers and one of its
predecessor's insurers, seeking a declaratory judgment that the company is
entitled to a defense and indemnity under its contracts of insurance
(including certain excess policies provided by one of the primary carriers)
with regard to the third Hastings sub-site.  On motion of the defendant
insurance carriers, the suit was transferred to the District
Court for the Western District of Pennsylvania on October 31, 1996. 
The company has settled the claim against its predecessor's insurer, but the
case against the company's insurers is still in litigation.  An award of
punitive damages is also being sought against the company's insurers for their
bad faith in failing to investigate the company's claim and/or denying the
company's claim.  The company has notified its primary and excess general
liability carrier, as well as the excess carrier of its predecessor, of the
receipt of its notice of potential liability at the second and fourth sub-sites.
    
     Estimated total clean-up costs at the third sub-site, including
capital outlays and future maintenance costs for soil and groundwater
remediation of approximately $14 million, are based on independent engineering
studies.  Included in the discontinued operations provision is the company's
estimate that it will participate in 33 percent of these remediation costs. 
The company's estimated share of the costs is based on its assessment of the
total clean-up costs, its potential exposure, and the viability of other named
PRPs.  These estimates are, by their nature, uncertain and dependent upon
numerous factors, any of which could cause actual results to differ materially
from projected amounts.
    
     Other claims and assertions made against the company will be resolved,
in the opinion of management, without material additional charges to earnings.


(4)  Discontinued Operations

     Discontinued operations' assets and liabilities at September 30, 1997 and
December 31, 1996 relate to non-cancelable leases, insurance, environmental, 
legal and other matters associated with exiting the engineering and construction
business and are presented below:
    
<TABLE>
<CAPTION>
    
    ($ in 000's)                              September 30,      December 31,
                                                    1997         1996  
    <S>                                               <C>          <C>
    Current assets:
     Accounts and retainers receivable            $    275     $    323
    
      Total current assets                             275          323
    
     Other                                             309          309
    
      Total assets                                $    584     $    632
    
    Current liabilities:
     Accounts and retainers payable               $    527     $    536
     Accrued loss on leases                          1,705        2,304
     Other                                           2,475        3,782
    
      Total current liabilities                      4,707        6,622
    
     Accrued loss on leases                              -          954
     Other                                           6,262        6,141
    
      Total liabilities                           $ 10,969     $ 13,717
    
     Net liabilities and accrued loss 
      on leases of discontinued operations       $(10,385)   $ (13,085)
</TABLE>

                DRAVO CORPORATION AND SUBSIDIARIES
Notes to Consolidated Financial Statements

(5)  Earnings Per Share

     In February 1997, the Financial Accounting Standards Board issued
Statement of Financial Accounting Standards No. 128, Earnings per Share (FAS
128).  FAS 128 supersedes APB Opinion No. 15, Earnings per Share (APB 15) and
requires the calculation and dual presentation of Basic and Diluted earnings
per share, replacing the measures of Primary and Fully-diluted earnings per
share as reported under APB 15.  FAS 128 is effective for financial statements
issued for periods ending after December 15, 1997; earlier application is not
permitted.  After the effective date, all prior-period earnings per share data
presented must be restated to conform with the provisions of FAS 128.  The
impact of FAS 128 on the company's earnings per share calculation will be
immaterial.


DRAVO CORPORATION AND SUBSIDIARIES

Management's Discussion and Analysis of Financial
Condition and Results of Operations

Third quarter revenue of $41.0 million was up slightly over last year's
$40.8 million.  Gross profit was up $510,000 over last year on the higher
revenue and a 1 percent gross margin increase.  The company's results are
heavily influenced by its major utility customers plant operations.  Events at
two large utility customers, an equipment failure and a decision to take a
generating unit out of service earlier than anticipated, suppressed revenue and
earnings during the quarter.  Strong commercial sales, however, helped to
offset the utility revenue shortfall.  The margin increase was attributable
primarily to lower production costs at the Maysville and Black River plants.
Selling, general and administrative expenses were higher primarily due to a bad
debt accrual for disputed invoices.  Interest expense was $351,000 higher
because of higher debt levels and because the 1996 period benefited from the
capitalization of interest charges associated with the Maysville expansion
project.

      Year-to date earnings of $9.1 million, or 49 cents per share, were down
from last year's $10.2 million, or 56 cents per share.  The shortfall is
attributable to this year's poor first quarter earnings of $1.1 million, or
three cents per share.  As reported previously, an early March flood in
northern Kentucky stopped the company from loading barges and its customers
from unloading barges for an extended period.  Revenue and income in both the
second and third quarters of the current year have exceeded last year's
comparable period results, however, the impact of the flood and other
previously reported first quarter difficulties were too severe to recoup. 
Additionally, last year's earnings were bolstered by refunds received from a
state taxing authority for amended returns filed based on current
interpretation of the state tax code.  The refunds included interest income of
$851,000.

      Capital expenditures for the nine months ended September 30 were $23.4
million compared to $15.5 million last year.  Construction progress payments
for a new Maysville kiln, $8.3 million, and the $8.3 million purchase of land
containing more than 27 million tons of high calcium reserves adjacent to the
Longview facility accounted for a large part of the additions to property,
plant and equipment.  Total debt increased $11.4 million from year-end
primarily due to funding capital expenditures.

      The company's effective tax rate increased from 3.0% for the nine
months ended September 30, 1996 to 5.5% for the nine months ended September 30,
1997.  This rate increase is attributed to alternative minimum tax.  The
company is currently reviewing its deferred tax asset valuation allowance in
light of current and projected income levels and the status of the remaining
discontinued operations issues.  If it is determined that it is more likely
than not that more net operating losses  will be used before expiration than
have already been recorded, the valuation allowance will be adjusted and a tax
benefit will be recognized.  Accordingly, for financial reporting purposes, tax
expense in future periods will be recorded at a higher effective tax rate.

                DRAVO CORPORATION AND SUBSIDIARIES

                   PART II - Other Information 


                                            
Item 6.   Exhibits and Reports on Form 8-K

     (a)  Exhibits

          The following is filed as an exhibit to Part I of this Form 10-Q:

           Exhibit No. 11 - Statement re computation of per share earnings.

          The following are filed as exhibits to Part II of this Form 10-Q:

           Exhibit No. 4 - Instruments defining the rights of security 
               holders, including indentures

               Amendment Agreement dated July 31, 1997 encompassing the
               Seventh Amendment to the Override Agreement and the Sixth
               Amendment to Revolving Credit Agreement.

           Exhibit No. 10 - Material contracts

               Agreement dated September 15, 1997 between Dravo
               Corporation and Carl A. Gilbert.  Identical agreements were
               entered into with James J. Puhala, John R. Major, Marshall
               S.Johnson, and Donald H. Stowe, Jr.

     (b)  Reports on Form 8-K

          The company filed no reports on Form 8-K for the quarter ended
          September 30, 1997.  


                                 
                            SIGNATURES


Pursuant to the requirements of the Securities Exchange Act of 1934, the
registrant has duly caused this report to be signed on its behalf by the
undersigned thereunto duly authorized.





                                  DRAVO CORPORATION    
                                  (Registrant)




Date:  November 13, 1997          /s/JAMES J. PUHALA          
                                  James J. Puhala
                                  Vice President, Administration and 
                                  General Counsel and Acting
                                  Chief Financial Officer




Date:  November 13, 1997          /s/LARRY J. WALKER          
                                  Larry J. Walker
                                  Vice President and Controller
                                  (Principal Accounting Officer)

                                 





Exhibit 11. Statement Re Computation of Per Share Earnings

(In 000's, except per share data)
<TABLE>
<CAPTION>
                                               Quarters ended September 30,
Primary                                                  1997                1996  
Earnings:
<S>                                                     <C>                 <C>

Net earnings                                            $ 3,755             $ 3,633
Deduct dividends on preference stock                        629                 633

Net earnings applicable to common stock                 $ 3,126             $ 3,000

Shares:
Weighted average number of common
 shares outstanding                                      14,778              14,742
Dilutive effect of outstanding
 options and rights (as determined
 by the application of the treasury
 stock method at the average market
 price for the period)                                       76                 194
Weighted average number of shares
 outstanding, as adjusted                                14,854              14,936

Primary earnings per share                              $  0.21             $  0.20


Fully diluted
Earnings:
Net earnings                                            $ 3,755             $ 3,633
Deduct dividends on preference stock (1)                    629                 633

Net earnings applicable to common stock                 $ 3,126             $ 3,000

Shares:
Weighted average number of common
 shares outstanding                                      14,778              14,742
Dilutive effect of outstanding 
 options and rights (as determined
 by the application of the treasury
 stock method at the higher of the
 closing or the average market price
 for the period)                                             99                 194

Weighted average number of shares
outstanding, as adjusted                                 14,877              14,936

Fully diluted earnings per share                        $  0.21             $  0.20
</TABLE>


Exhibit 11. Statement Re Computation of Per Share Earnings (continued)
<TABLE>
<CAPTION>

(In 000's, except per share data)
                                                 Quarters ended September 30,
                                                         1997                1996  
<S>                                                     <C>                 <C>
Additional Fully Diluted Computation (2)     
Earnings:
Net earnings                                          $ 3,755              $ 3,633

Shares:
Weighted average number of common shares
 outstanding                                          14,778               14,742

Dilutive effect of outstanding options and
 rights (as determined by the application of
 the treasury stock method at the higher of
 the closing or average market price for
 the period)                                             99                   194
Shares issuable from assumed exercise of
 convertible preference stock                         1,662                 1,682

Weighted average number of shares
 outstanding, as adjusted                            16,539                16,618

Fully diluted earnings per share                    $  0.23               $  0.22

</TABLE>


(1)  The inclusion of preference stock in the fully dilutive computation
would have an anti-dilutive effect on earnings per share.

(2)  This calculation is submitted in accordance with Securities Exchange
Act of 1934, Regulation S-K, paragraph 229.601 (b)(11) although it is
contrary to paragraph 40 of APB Opinion No. 15 because it produces an 
anti-dilutive result.

Exhibit 11. Statement Re Computation of Per Share Earnings

(In 000's, except per share data)

                                                 Nine Months ended September 30,
<TABLE>
<CAPTION>
Primary                                                  1997                1996  
<S>                                                    <C>                   <C>
Earnings:
Net earnings                                          $ 9,141               $10,190
Deduct dividends on preference stock                    1,888                 1,899

Net earnings applicable to common stock               $ 7,253               $ 8,291

Shares:
Weighted average number of common
 shares outstanding                                    14,774               14,726

Dilutive effect of outstanding
 options and rights (as determined
 by the application of the treasury
 stock method at the average market
 price for the period)                                     77                 153

Weighted average number of shares
 outstanding, as adjusted                              14,851              14,879

Primary earnings per share                            $  0.49             $  0.56


Fully diluted
Earnings:
Net earnings                                          $ 9,141             $10,190
Deduct dividends on preference stock (1)                1,888               1,899

Net earnings applicable to common stock               $ 7,253             $ 8,291
                                              
Shares:
Weighted average number of common
 shares outstanding                                    14,774              14,726

Dilutive effect of outstanding 
 options and rights (as determined
 by the application of the treasury
 stock method at the higher of the
 closing or the average market price
 for the period)                                           85                 177

Weighted average number of shares
outstanding, as adjusted                               14,859              14,903

Fully diluted earnings per share                      $  0.49             $  0.56

</TABLE>

Exhibit 11. Statement Re Computation of Per Share Earnings (continued)

(In 000's, except per share data)

                                                 Nine Months ended September 30,
                                                       1997        1996  
<TABLE>
<CAPTION>
<S>                                                   <C>                 <C>

Additional Fully Diluted Computation (2)     
Earnings:
Net earnings                                         $ 9,141              $10,190

Shares:
Weighted average number of common shares
outstanding                                           14,774               14,726

Dilutive effect of outstanding options and
rights (as determined by the application of
the treasury stock method at the higher of
the closing or average market price for
the period)                                               85                  177

Shares issuable from assumed exercise of
convertible preference stock                           1,663                1,682

Weighted average number of shares
outstanding, as adjusted                              16,522               16,585

Fully diluted earnings per share                     $  0.55              $  0.61

</TABLE>


(1)  The inclusion of preference stock in the fully dilutive computation
would have an anti-dilutive effect on earnings per share.

(2)  This calculation is submitted in accordance with Securities Exchange
Act of 1934, Regulation S-K, paragraph 229.601 (b)(11) although it is
contrary to paragraph 40 of APB Opinion No. 15 because it produces an 
anti-dilutive result.



<TABLE> <S> <C>

<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM DRAVO
CORPORATION'S SEPTEMBER 30, 1997 FINANCIAL STATEMENTS AND IS
QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
       
<S>                             <C>
<PERIOD-TYPE>                   9-MOS
<FISCAL-YEAR-END>                          DEC-31-1997
<PERIOD-END>                               SEP-30-1997
<CASH>                                            1749
<SECURITIES>                                         0
<RECEIVABLES>                                    20985
<ALLOWANCES>                                       589
<INVENTORY>                                      17988
<CURRENT-ASSETS>                                 41526
<PP&E>                                          260776
<DEPRECIATION>                                  119151
<TOTAL-ASSETS>                                  243230
<CURRENT-LIABILITIES>                            37439
<BONDS>                                              0
<COMMON>                                         15100
                            20000
                                         19
<OTHER-SE>                                       86191
<TOTAL-LIABILITY-AND-EQUITY>                    243230
<SALES>                                         121025
<TOTAL-REVENUES>                                121025
<CGS>                                            90680
<TOTAL-COSTS>                                    90680
<OTHER-EXPENSES>                                     0
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                                5095
<INCOME-PRETAX>                                   9678
<INCOME-TAX>                                       537
<INCOME-CONTINUING>                               9141
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                      9141
<EPS-PRIMARY>                                      .49
<EPS-DILUTED>                                        0
        

</TABLE>

EXECUTION 
COPY

AMENDMENT AGREEMENT

THIS AMENDMENT AGREEMENT (this "Agreement" or this 
"Amendment"), dated as of July 31, 1997, is entered into 
by and among DRAVO CORPORATION, a Pennsylvania 
corporation ("Dravo "), DRAVO LIME COMPANY, a Delaware 
corporation ("Lime"), DRAVO BASIC MATERIALS COMPANY, 
INC., an Alabama corporation ("Basic", together with Lime 
referred to herein as the "Companies"), REGIONS BANK, 
formerly known as First Alabama Bank ("Regions"), PNC 
BANK, NATIONAL ASSOCIATION (formerly known as Pittsburgh 
National Bank) ("PNC"), BANK OF AMERICA NATIONAL TRUST 
AND SAVINGS ASSOCIATION (successor by merger to Bank of 
America Illinois) ("BA"), THE PRUDENTIAL INSURANCE 
COMPANY OF AMERICA (acting through Prudential Capital 
Group) ("Prudential"); Regions, PNC, BA and Prudential 
herein collectively referred to as "Lenders", and each a 
"Lender", and Regions, as agent for the Lenders (in such 
capacity, together with its successors and assigns, the 
"Agent") and BA, as documentation agent for the Lenders 
(in such capacity, together with its successors and 
assigns, the "Documentation Agent").


PRELIMINARY STATEMENTS


(1)	The Companies, Dravo and the Lenders have 
entered into an Override Agreement, dated as of January 
21, 1992, as amended by the First Amendment to Override 
Agreement, dated March 10, 1993, the Second Amendment to 
Override Agreement, dated as of March 7, 1994, the 
Amendment Agreement, dated as of August 1, 1994, the 
Amendment Agreement, dated as of January 3, 1995, the 
Amendment Agreement, dated as of December 31, 1995 and 
the Amendment and Restatement of Articles IV, V and VI of 
the Override Agreement and Amendment and Restatement of 
Appendix A Definitions dated as of February 15, 1996 (as 
so amended and restated, the "Override Agreement"). In 
addition, the Companies, the Agent, the Documentation 
Agent and the Lenders have entered into an Amended and 
Restated Revolving Credit Agreement, dated as of January 
21 1992, as amended by the First Amendment to Amended and 
Restated Revolving Credit Agreement, dated as of March 7, 
1994, the Amendment Agreement dated as of August 1, 1994, 
the Amendment Agreement dated as of January 3, 1995, the 
Amendment Agreement dated as of December 31, 1995, and 
the Amendment Agreement dated as of June 28, 1996 (as so 
amended, the "Revolving Credit Agreement"). Capitalized 
terms used but not defined herein shall have the meanings 
assigned to such terms in the Override Agreement.

(2)	The parties hereto desire to amend certain 
provisions of the Override Agreement as set out 
hereinbelow.

(3)	The parties hereto further desire to amend the 
Revolving Credit Agreement and certain other Operative 
Documents to extend the Maturity Date of the Revolving 
Line of Credit from July 31, 1998 to July 31, 1999, and 
to extend the availability of the Letters of Credit until 
July 31, 1999, among other things.



	2

NOW, THEREFORE, in consideration of the mutual 
agreements herein contained and other good and valuable 
consideration, the receipt and adequacy of which are 
hereby acknowledged, the parties hereto agree to amend 
the Override Agreement, the Revolving Credit Agreement 
and the other Operative Documents as follows:


ARTICLE I

SEVENTH AMENDMENT TO
OVERRIDE AGREEMENT

SECTION 1.01.   Amendments to Override Agreement. 
The Override Agreement shall be, effective as of the date 
hereof and subject to the satisfaction of the conditions 
precedent set forth in Section 3.01 hereof, amended as 
follows:

(a)	Amendments to Article V. Section 5.01ct)) of 
Article V is amended by deleting same in its entirety and 
substituting therefor the following in place thereof:

"(b)  Dravo Restricted Payments. Dravo shall not: 
(x) pay or declare any dividend on any class of its 
stock or make any other distribution on account of 
any class of its stock (referred to herein 
collectively as "Dividends") or (y) make, directly 
or indirectly (including by a Subsidiary of Dravo), 
any Excess Redemption (all Dividends and Excess 
Redemptions collectively referred to herein as 
"Dravo Restricted Payments") if such Dravo 
Restricted Payments, taken together with all other 
Dravo Restricted Payments made after December 31, 
1995, would exceed the sum of (i) $5,000,000, and 
(ii) 25% of Consolidated Net Earnings Available for 
Common Stock after December 31, 1995. There shall 
not be included in Dravo Restricted Payments (x) 
Dividends paid, or distributions made, in stock of 
Dravo; or (y) exchanges of stock of one or more 
classes of Dravo for common stock of Dravo or for 
stock of Dravo of the same class, except to the 
extent that cash or other value is involved in such 
exchange; or (z) the payment of regularly scheduled 
dividends on the Shares or the Preferred Stock 
Series B originally issued to the Mechling estate 
("Mechling Shares"). The term "stock", as used in 
this Section 5.01 (b), shall include warrants or 
options to purchase stock. Notwithstanding the 
foregoing, Dravo shall not make a Dravo Restricted 
Payment if a Default or Event of Default has 
occurred or would occur as a result of such Dravo 
Restricted Payment. As used herein, the term 
"Excess Redemption" means any redemption, purchase 
or other acquisition of any shares of the capital 
stock of Dravo in an amount exceeding the cash 
proceeds received by Dravo in connection with any 
issuance or sale of any capital stock (including, 
without limitation, any preferred stock) of Dravo 
in an amount exceeding cash proceeds received by 
Dravo (net of all reasonable costs and expenses 
incurred by Dravo in connection with such issuance 
of capital stock) occurring after December 31, 
1995."

3

(b)   Amendments to Appendix A. Subsection (a) of 
Appendix A regarding Definitions shall be amended as 
follows:

(i)	The definition of "Fixed Charge Coverage Ratio" 
found in subsection (a) of Appendix A to the 
Override Agreement is amended by deleting same 
in its entirety and substituting therefor the 
following definition in place thereof:

"Fixed Charge Coverage Ratio" shall mean, for 
any fiscal quarter of Dravo, the ratio 
obtained by dividing (a) EBITDAR of Dravo and 
its Subsidiaries for the three immediately 
preceding fiscal quarters of Dravo and the 
quarter of determination (the "Relevant 
Preceding Period") by (b) the sum of: (i) the 
amount of interest paid or accrued (including 
all imputed or capitalized interest) on all 
Debt of Dravo and its Subsidiaries during the 
Relevant Preceding Period (including all 
imputed interest on Capitalized Lease 
Obligations) plus (ii) all installments of 
Funded Debt (excluding the indebtedness 
incurred by the Company under the Revolving 
Credit Agreement) paid or scheduled to be paid 
during the Relevant Preceding Period plus 
(iii) the dividends paid or scheduled to be 
paid to the holders of the Shares or any other 
preferred stock of Dravo or any of its 
Subsidiaries during the Relevant Preceding 
Period plus (iv) the redemptions of the Shares 
or any other preferred stock, if any, of Dravo 
or any of its Subsidiaries made by Dravo 
during the Relevant Preceding Period, plus (v) 
net rentals as reflected on the most recently 
delivered financial statements."

(ii)	Subsection (a) of Appendix A is further amended 
by adding in alphabetical order the following 
definition thereto:

"Consolidated Net Earnings Available for 
Common Stock" shall mean the Consolidated Net 
Earnings from Continuing Operations less any 
dividends paid on any preferred stock."

(c)	Amendment to Party Name. All references to the 
term "FAB" in the Override Agreement and Operative 
Documents shall be deleted and substituted in place 
thereof is the term "Regions".  All references to the 
term "BAI" in the Override Agreement and Operative 
Documents shall be deleted and substituted in place 
thereof is the term "BA".

4

ARTICLE II

SIXTH AMENDMENT TO REVOLVING CREDIT AGREEMENT

SECTION 2.01. Sixth Amendment. The parties hereto 
entered into an Amendment Agreement, dated as of June 28, 
1996 (the "1996 Amendment Agreement"), that amended the 
Revolving Credit Agreement. The amendment contained in 
the 1996 Amendment Agreement designated the amendment to 
the Revolving Credit Agreement as the "Sixth Amendment to 
the Revolving Credit Agreement".  The parties hereto had 
also entered into an Amendment Agreement, dated as of 
December 31, 1995 (the "1995 Amendment Agreement") 
amending the Revolving Credit Agreement. The amendment 
contained in the 1995 Amendment Agreement designated the 
amendment to the Revolving Credit Agreement as the "Fifth 
Amendment to the Revolving Credit Agreement". The 
foregoing reference in the 1996 Amendment Agreement was 
incorrect as such amendment was, in fact, the fifth 
amendment to the Revolving Credit Agreement. The 
reference in the 1996 Amendment Agreement is herein 
designated as the "Fifth Amendment to Revolving Credit 
Agreement". The foregoing reference in the 1995 Amendment 
Agreement was incorrect as such amendment was, in fact, 
the fourth amendment to the Revolving Credit Agreement. 
The reference in the 1995 Amendment Agreement is herein 
designated as the "Fourth Amendment to the Revolving 
Credit Agreement". The amendment to the Revolving Credit 
Agreement contained herein is referenced as the "Sixth 
Amendment to Revolving Credit Agreement".

SECTION 2.02. Amendments to Revolving Credit 
Agreement. The Revolving Credit Agreement shall be, 
effective as of the date hereof and subject to the 
conditions precedent set forth in Section 3.01 hereof, 
amended as follows:

(a)	The first sentence of Section 1.1(a) is 
amended by deleting the date "July 31, 1998" and 
substituting therefor the date "July 31, 1999."

(b)	The first sentence of Section 1.1(a) is 
further amended by deleting the phrase "SIXTY-FIVE 
MILLION AND NO/100THS DOLLARS ($65,000,000.00)" in its 
entirety and substituting therefor the new phrase "F1FTY-
THREE MILLION AND NO/100THS DOLLARS ($53,000,000.00)."

(c)	The fourth sentence of Section 1.1(a) is 
amended by deleting the date "July 31, 1998" and 
substituting therefor the date "July 31, 1999."

(d)	Section 1.1(a) is further amended by deleting 
in its entirety the following sentence found at the end 
thereof:

"Notwithstanding anything in this Agreement to the 
contrary, the maximum available Revolving Line of 
Credit, together with the Stated Amount of all 
outstanding Letters of Credit shall, as of August 
1, 1997, and thereafter, be reduced from SIXTY-FIVE 
MILLION DOLLARS ($65,000,000.00) to FORTY-EIGHT 
MILLION DOLLARS ($48,000,000.00), and, as of August 
1, 1997, the maximum limitation for each Lender

	5

shown opposite the name of each Lender on Schedule 
I shall be reduced on a proportionate basis to the 
foregoing reduction in the maximum available 
Revolving Line of Credit, together with the Stated 
Amount of all outstanding Letters of Credit."

(e)   The second sentence of Section 1.1(c) is 
amended by deleting the phrase "SIXTY-FIVE MILLION AND 
NO/100THS DOLLARS ($65,000,000.00)" in its entirety and 
substituting therefor the new phrase "FIFTY-THREE MILLION 
AND NO/l00THS DOLLARS ($53,000,000.00)."

(f)	Section 1.1(c) is further amended by deleting 
in its entirety the following sentence found at the end 
thereof:

"On July 31, 1997, the Revolving Notes shall be 
amended by Borrowers and each respective Lender to 
indicate the extension of the Maturity Date to July 
31, 1998, and the reduction of the maximum 
available Revolving Line of Credit, together with 
the Stated Amount of all outstanding Letters of 
Credit, from $65,000,000.00 to $48,000,000.00."

(g)	The fifth sentence of Section 1.3 is amended 
in its entirety to read as follows:

"The expiration date for each Letter of Credit 
issued hereunder (or caused to be issued hereunder) 
shall not be later than one year after the issuance 
date thereof and no Letters of Credit issued 
hereunder by a Lender (or caused to be issued by a 
Lender) shall provide for an expiration date later 
than July 31, 1999 (as such date may be extended 
pursuant to Section 1.9)."

(h)   The first sentence of Section 1.6 is amended 
in its entirety to read as follows:

"Borrowers agree to pay to Lenders on a basis 
proportionate with such respective Lender's 
Revolving Line of Credit commitment hereunder non-
usage fees (the "Non-Usage Fees") in an aggregate 
amount equal to one-half of one percent (1/2 of 1%) 
per annum on the unutilized portion of the 
$53,000,000.00 Revolving Line of Credit payable 
quarterly in arrears on the fifth business day 
following each calendar quarter during the term of 
this Agreement."

(i)	The first sentence of Section 9.1(a) of 
Article IX is amended in its entirety to read as follows:

"Lenders agree as between themselves that upon 
receipt of a request for an advance hereunder by 
Borrowers (or either of them), and so long as there 
shall exist no Event of Default or Default, Regions 
will advance 37.28% of such request, PNC will 
advance 28.82% of such request, BA will advance 
33.90% of such request (each such percentage 
referred to herein as such Lender's "Percentage"; 
provided, however, that in no event shall the 
aggregate principal amount of the Revolving Line of 
Credit loans made hereunder by Lenders exceed 
$53,000,000.00; provided, however, that in no event 
shall Prudential be required to make Revolving Line 
of Credit loans hereunder."

			6

(j)	All references to the term "FAB" in the 
Revolving Credit Agreement shall be deleted and 
substituted in place thereof is the term "Regions". All 
references to the term "BAI" in the Revolving Credit 
Agreement shall be deleted and substituted in place 
thereof is the term "BA".

(k)   	Schedules I and II to the Revolving Credit 
Agreement are deleted in their entirety and Schedules I 
and II attached hereto are substituted therefor, 
respectively.

(l)	Exhibits A-I, A-2 and A-3 to the Revolving 
Credit Agreement are deleted in their entirety and 
Exhibits A-1, A-2 and A-3 attached hereto are substituted 
there for, respectively.

(m)	Copies of the Term Notes are attached hereto 
as Exhibits B-1, B-2 and B-3, respectively, and 
incorporated herein by reference.


ARTICLE III

CONDITIONS PRECEDENT

SECTION 3.01. Conditions of Effectiveness. This 
Amendment shall become effective when, and only when, (a) 
the Agent shall have received counterparts of this 
Amendment executed by each of the Dravo Parties and the 
Lenders and copies of the Notes, in substantially the 
form of Exhibits A-I, A-2 and A-3 attached hereto, and 
Term Notes, in substantially the form of Exhibits B-1, B-
2 and B-3 attached hereto, executed by the Companies, (b) 
all accrued but unpaid interest, fees and expenses under 
the terms of the Revolving Credit Agreement, as amended 
hereby, and all outstanding fees and expenses of counsel 
to the Agent and the Lenders, shall have been paid in 
full to the extent due and payable after giving effect to 
this Amendment. The Dravo Parties further agree to 
provide to the Agent on or before September 15, 1997, all 
of the following documents, each (unless otherwise 
indicated) being dated a date acceptable to the Agent, in 
form and substance satisfactory to the Agent and the 
Lenders:

(i)	Copies of (A) all documents evidencing 
all requisite corporate action of each Dravo Party 
(including any and all resolutions or unanimous 
written consents of the Board of Directors of each 
Dravo Party) authorizing the execution, delivery 
and performance of this Amendment and the matters 
contemplated hereby and thereby, (B) all documents 
evidencing all Governmental Approvals, if any, with 
respect to this Amendment and the matters 
contemplated hereby and thereby, and (C) any 
amendments to the certificate or articles of 
incorporation (certified as of a recent date by the 
Secretary of the state of its jurisdiction of 
incorporation) and bylaws of each Dravo Party that 
have not been previously furnished to Lenders;

(ii)	A certificate of the Secretary or an 
Assistant Secretary of each Dravo Party certifying 
the names and true signatures of the officers 
authorized to sign this Amendment on behalf of such 
Dravo Party and any other documents to be delivered 
by such Dravo Party hereunder;

		7

(iii)	A favorable opinion of Buchanan 
Ingersoll, Professional Corporation, special 
counsel for the Dravo Parties, in form and 
substance satisfactory to the Lenders;

(iv)	Such other documents, instruments, 
approvals (and, if required by the Agent, certified 
duplicates of executed copies thereof) or opinions 
as the Agent or any Lender may reasonably request.

The representations and warranties contained herein shall 
be true on and as of the Effective Date; there shall 
exist on the Effective Date, no Event of Default or 
Default; there shall exist no material adverse change in 
the financial condition, business operation or prospects 
of any Dravo Party or its Subsidiaries since December 31, 
1996.


ARTICLE IV

REPRESENTATIONS AND WARRANTIES

SECTION 4.01. Representations and Warranties of the 
Dravo Parties.

(a)	Each of the Dravo Parties hereby repeats and 
confirms each of the representations and warranties made 
by it in Article VII of the Override Agreement, as 
amended hereby, as though made on and as of the date 
hereof, with each reference therein to "this Agreement", 
the "Operative Documents", "hereof", "hereunder", 
"thereof", "thereunder" and words of like import being 
deemed to be a reference to the Override Agreement and 
the Operative Documents, in each case as amended hereby.

(b)   Each of the Dravo Parties represents and 
warrants as follows:

(i)	Such Dravo Party and each of its 
Subsidiaries is a corporation duly organized, validly 
existing and in good standing under the laws of the state 
of its incorporation and is duly qualified to do business 
in, and is in good standing in, all other jurisdictions 
where the nature of its business or the nature of 
property owned or used by it makes such qualification 
necessary.

(ii)	The execution, delivery and performance 
by such Dravo Party of this Amendment are within its 
corporate powers, have been duly authorized by all 
necessary corporate action and do not contravene (A) such 
Dravo Party's charter or bylaws, (B) law or (C) any legal 
or contractual restriction binding on or affecting such 
Dravo Party; and such execution, delivery and performance 
do not or will not result in or require the creation of 
any Lien upon or with respect to any of its properties.

(iii)  No Governmental Approval is required for 
the due execution, delivery and performance by such Dravo 
Party of this Amendment, except for such Governmental 
Approvals as have been duly obtained or made and which 
are in full force and effect on the date hereof and not 
subject to appeal.

		8

(iv)  This Amendment constitutes the legal, 
valid and binding obligations such Dravo Party 
enforceable against such Dravo Party in accordance with 
its terms; subject the qualifications, however, that the 
enforcement of the rights and remedies herein is subject 
bankruptcy and other similar laws of general application 
affecting rights and remedies creditors and that the 
remedy of specific performance or of injunctive relief is 
subject to discretion of the court before which any 
proceedings therefor may be brought.

(v)	Except as set forth in the Form 10-K 
filed with the Securities and Exchange Commission for the 
year ended December 31, 1996, there are no pending or 
threatened actions, suits, or proceedings affecting such 
Dravo Party or any of its Subsidiaries or the properties 
of such Dravo Party or any of its Subsidiaries before any 
court, governmental agency or arbitrator, that may, if 
adversely determined, materially adversely affect the 
financial condition, properties, business, operations, or 
prospects of such Dravo Party and its Subsidiaries, 
considered as a whole, or affect the legality, validity 
or enforceability of the Override Agreement or any other 
Operative Document, in each case as amended by this 
Amendment.


ARTICLE V

CONSENT OF GUARANTOR

SECTION 5.01. Consent of Guarantor. Dravo, by the 
execution hereof, does hereby consent to and approve the 
terms of this Amendment and does hereby ratify and affirm 
its guaranty obligations in favor of Lenders.


ARTICLE VI

MISCELLANEOUS

SECTION 6.01. Reference to and Effect on the 
Operative Documents.

(a)   Upon the effectiveness of this Amendment, on 
and after the date hereof, each reference in the 
Revolving Credit Agreement and the Override Agreement to 
"this Agreement", "hereunder", "hereof", or words of like 
import referring to the Revolving Credit Agreement and 
the Override Agreement, respectively, and each reference 
in the other Operative Documents to "the Revolving Credit 
Agreement", "the Override Agreement", "thereunder", 
"thereof", or words of like import referring to the 
Revolving Credit Agreement and the Override Agreement, 
shall mean and be a reference to the Revolving Credit 
Agreement and the Override Agreement, respectively as 
amended hereby.

(b)	Except as specifically amended above, the 
Revolving Credit Agreement, the Override Agreement, the 
Notes, the Term Notes, and all other Operative Documents, 
are and shall continue to be in full force and effect and 
are hereby in all respects ratified and confirmed. 
Without limiting the generality of the foregoing, the 
Security Documents and all of the Collateral 

			9

described therein do and shall continue to secure the 
payment of all obligations of the Dravo Parties under the 
Revolving Credit Agreement, the Note, the Term Notes, and 
the other Operative Documents, in each case as amended 
hereby.

(c)	The execution, delivery and effectiveness of 
this Amendment shall not, except as expressly provided 
herein, operate as a waiver of any right, power or remedy 
of any Lender or the Agent under any of the Operative 
Documents, nor constitute a waiver of any provision of 
any of the Operative Documents.

SECTION 6.02. Costs and Expenses. The Dravo Parties, 
jointly and severally, agree to pay on demand all costs 
and expenses incurred by the Agent and the Lenders in 
connection with the preparation, execution and delivery 
of this Amendment and the other documents to be delivered 
hereunder and thereunder, including, without limitation, 
the reasonable fees and out-of-pocket expenses of counsel 
for the Agent and the Lenders with respect thereto and 
with respect to advising the Agent and the Lenders as to 
their rights and responsibilities under this Amendment. 
The Dravo Parties, jointly and severally, further agree 
to pay on demand all costs and expenses, if any 
(including, without limitation, reasonable counsel fees 
and expenses of counsel) incurred by the Agent and the 
Lenders in connection with the enforcement (whether 
through negotiations, legal proceedings or otherwise) of 
this Amendment, the Operative Documents and the other 
documents to be delivered hereunder and thereunder, 
including, without limitation, counsel fees and expenses 
in connection with the enforcement of rights under this 
Section 6.02.

SECTION 6.03.  Execution in Counterparts. This 
Amendment may be executed in any number of counterparts 
and by different parties hereto in separate counterparts, 
each of which when so executed and delivered shall be 
deemed to be an original and all of which taken together 
shall constitute but one and the same instrument.

SECTION 6.04.  Governing Law.  This Amendment shall 
be governed by, and construed in accordance with, the 
laws of the State of New York.


		10

IN WITNESS WHEREOF, the parties hereto have caused 
this Amendment to be executed by their respective 
officers thereunto duly authorized, as of the date first 
above written.

REGIONS BANK, individually 
and as Agent

By:	PETER P. 
GAILLARD_____________
___________________
	Name : 
_____________________
_____
Title   : SR. VICE 
PRESIDENT____________
______________


						PNC BANK, NATIONAL 
ASSOCIATION

By:BRIAN M BEGG
	_________________
_______________
	Name : 
_____________________
_____
Title   : COMMERCIAL 
BANKING 
OFFICER______________
____________


BANK OF AMERICA NATIONAL 
TRUST AND SAVINGS 
ASSOCIATION, Individually 
and as Documentation 
Agent

By:MICHAEL J. MCKINNERY
	_________________
_______________
	Name : 
_____________________
_____
Title   : VICE 
PRESIDENT____________
______________


THE PRUDENTIAL INSURANCE 
COMPANY OF AMERICA

By:KEVIN J. KRASKA
	_________________
_______________
	Name : 
_____________________
_____
Title   : VICE 
PRESIDENT____________
______________


DRAVO CORPORATION

By: RICHARD E. REDLINGER
	_________________
_______________
	Name : 
_____________________
_____
Title   : VICE 
PRESIDENT, 
TREASURER____________
______________



		10


		11

						DRAVO LIME COMPANY

By: RICHARD E. REDLINGER
	_________________
_______________
	Name : 
_____________________
_____
Title   : VICE 
PRESIDENT, 
TREASURER____________
_______________



DRAVO BASIC MATERIALS 
COMPANY, INC.

By: RICHARD E. REDLINGER
	_________________
_______________
	Name : 
_____________________
_____
Title   : VICE 
PRESIDENT, 
TREASURER____________
_______________






	
	SCHEDULE I

SCHEDULE I TO REVOLVING CREDIT AGREEMENT


Financing Commitments

REGIONS BANK

Revolving Line of Credit and Letters of
Credit Facilities Combined
$19,758,400.00

PNC BANK, NATIONAL ASSOCIATION

Revolving Line of Credit and Letters of
Credit Facilities Combined           $15,274,600.00

BANK OF AMERICA NATIONAL
TRUST AND SAVINGS ASSOCIATION

Revolving Line of Credit and Letters of
Credit Facilities Combined
$17,967,000.00

THE PRUDENTIAL INSURANCE COMPANY OF AMERICA

Revolving Line of Credit and Letters of
Credit Facilities Combined
	$00

TOTAL						       $53,000,000.00
SCHEDULE II

SCHEDULE II TO REVOLVING CREDIT AGREEMENT

Current Amount of Letters of Credit
Issued By Lenders
	Stated Amount	Lender's Percentage
REGIONS BANK	$1,789,440.00	37.28%

PNC BANK, NATIONAL	$1,383,360.00	28.82%
ASSOCIATION

BANK OF AMERICA	$1,627,200.00	33.90%
NATIONAL TRUST AND
SAVINGS ASSOCIATION

THE PRUDENTIAL	.00	.00
INSURANCE COMPANY OF
AMERICA

TOTAL	$4,800,000.00	100.00%
EXHIBIT A-l

THIS REVOLVING NOTE IS ISSUED IN SUBSTITUTION FOR, AND 
NOT IN REPAYMENT OF, THE AMENDED AND RESTATED REVOLVING 
NOTE, DATED JANUARY 3, 1995, AS AMENDED, ISSUED BY THE 
BORROWERS (AS DEFINED BELOW) TO THE LENDER (AS DEFINED 
BELOW) IN THE PRINCIPAL AMOUNT OF $24,232,000.00.


AMENDED AND RESTATED REVOLVING NOTE

	$19,758,400.00
	July 31, 1997


FOR VALUE RECEIVED, DRAVO LIME COMPANY, a Delaware 
corporation, and DRAVO BASIC MATERIALS COMPANY, INC., an 
Alabama corporation (herein called the "Borrowers"), 
jointly and severally, promise to pay to the order of 
REGIONS BANK (herein called "Lender") at the offices of 
Regions Bank at 106 St. Francis Street, Post Office Box 
2527, Mobile, Alabama 36622 (or such other place or as 
the holder hereof shall designate from time to time by 
written notice to the Borrowers) the principal sum of 
NINETEEN MILLION SEVEN HUNDRED FIFTY EIGHT THOUSAND FOUR 
HUNDRED AND NO/100THS DOLLARS ($19,758,400.00), or, if 
less, the aggregate principal amount of all Revolving 
Line of Credit loans made by Lender to Borrowers pursuant 
to Article I and Section 11.2 of the Revolving Credit 
Agreement referred to below, in lawful money of the 
United States of America in immediately available funds, 
by wire transfer, on or before July 31, 1999, together 
with interest thereon and certain fees and other amounts 
due the Lender as set forth in the Revolving Credit 
Agreement referred to below.

Borrowers also, jointly and severally, promise to 
pay to Lender, in like money at such office, interest on 
the dates and at the rate per annum pursuant to the 
Revolving Credit Agreement.

This Amended and Restated Revolving Note is issued 
in substitution for, and not in repayment of, and amends 
and restates, the Amended and Restated Revolving Note, 
dated December 31, 1995, as amended.

Borrowers expressly waive any presentment, demand, 
protest or notice in connection with this Revolving Note, 
now or hereafter, required by applicable law, and further 
waive as to this debt all right of exemption under the 
Constitution and laws of the State of New York, or any 
other state or commonwealth.

This Revolving Note is referred to in and issued 
subject to that certain Revolving Credit Agreement, dated 
as of January 21, 1992, as amended by the First Amendment 
to Amended and Restated Revolving Credit Agreement, dated 
as of March 7, 1994, and the Amendment Agreement, dated 
as of August 1, 1994, and the Amendment Agreement dated 
as of January 3, 1995, the Amendment Agreement, dated as 
of December 31, 1995, the Amendment Agreement

		EXHIBIT A-1
		Page 2

dated as of June 28, 1996, and the Amendment Agreement 
dated as of July 31, 1997 (as so amended, and as it may 
be further amended, modified or supplemented from time to 
time, the "Revolving Credit Agreement"), among the 
Borrowers, certain lenders a party thereto and Regions 
Bank, as Agent, and Bank of America National Trust and 
Savings Association, as Documentation Agent, to which 
reference is made for a statement of the terms and 
conditions under which the principal hereof, accrued 
interest thereon and other amounts due thereunder is 
secured, may become or may be declared to be forthwith 
due and payable and is subject to prepayment.

This Revolving Note shall be binding upon the 
Borrowers and their respective successors and assigns and 
shall inure to the benefit of Lender and its respective 
successors and assigns.

Borrowers agree to pay, and save the holders hereof 
harmless against, any costs or liability for expenses 
(including reasonable attorneys' fees) arising in 
connection with the enforcement by the holders hereof of 
any of the holders' rights under this Amended and 
Restated Revolving Note or the Revolving Credit 
Agreement.

In case a Default or Event of Default, as defined in 
the Revolving Credit Agreement, shall occur and be 
continuing, the principal of this Amended and Restated 
Revolving Note may be declared due and payable in the 
manner and with the effect provided in the Revolving 
Credit Agreement.

						DRAVO LIME COMPANY

By: RICHARD E. REDLINGER
	_________________
_______________
	Name : 
_____________________
_____
Title   : VICE 
PRESIDENT,TREASURER__
_____________________
____

ATTEST: ELAINE E. TOKOSH

___________________________
Its: ASST. CORPORATE SECRETARY________________________

DRAVO BASIC MATERIALS 
COMPANY,  INC.

By: RICHARD E. REDLINGER
	_________________
_______________
	Name : 
_____________________
_____
Title   : VICE 
PRESIDENT, TREASURER_ 
_____________________
_____
ATTEST: ELAINE E. TOKOSH

___________________________
Its: ASST. CORPORATE SECRETARY ________________________

    
EXHIBIT A-2

THIS REVOLVING NOTE IS ISSUED IN SUBSTITUTION FOR, AND 
NOT IN REPAYMENT OF, THE AMENDED AND RESTATED REVOLVING 
NOTE, DATED JANUARY 3, 1995, AS AMENDED, ISSUED BY THE 
BORROWERS (AS DEFINED BELOW) TO THE LENDER (AS DEFINED 
BELOW) IN THE PRINCIPAL AMOUNT OF $18,733,000.00.


AMENDED AND RESTATED REVOLVING NOTE
	
$15,274,600.00			July 31, 1997


FOR VALUE RECEIVED, DRAVO LIME COMPANY, a Delaware 
corporation, and DRAVO BASIC MATERIALS COMPANY, INC., an 
Alabama corporation (herein called the "Borrowers"), 
jointly and severally, promise to pay to the order of PNC 
BANK, NATIONAL ASSOCIATION (herein called "Lender") at 
the offices of Regions Bank at 106 St. Francis Street, 
Post Office Box 2527, Mobile, Alabama 36622 (or such 
other place or as the holder hereof shall designate from 
time to time by written notice to the Borrowers) the 
principal sum
of FIFTEEN MILLION TWO HUNDRED SEVENTY-FOUR THOUSAND SIX 
HUNDRED AND NO/100THS DOLLARS ($15,274,600.00), or, if 
less, the aggregate principal amount of all Revolving 
Line of Credit loans made by Lender to Borrowers pursuant 
to Article I and Section 11.2 of the Revolving Credit 
Agreement referred to below, in lawful money of the 
United States of America in immediately available funds, 
by wire transfer, on or before July 31, 1999, together 
with interest thereon and certain fees and other amounts 
due the Lender as set forth in the Revolving Credit 
Agreement referred to below.

Borrowers also, jointly and severally, promise to 
pay to Lender, in like money at such office, interest on 
the dates and at the rate per annum pursuant to the 
Revolving Credit Agreement.

This Amended and Restated Revolving Note is issued 
in substitution for, and not in repayment of, and amends 
and restates, the Amended and Restated Revolving Note, 
dated December 31, 1995, as amended.

Borrowers expressly waive any presentment, demand, 
protest or notice in connection with this Revolving Note, 
now or hereafter, required by applicable law, and further 
waive as to this debt all right of exemption under the 
Constitution and laws of the State of New York, or any 
other state or commonwealth.

This Revolving Note is referred to in and issued 
subject to that certain Revolving Credit Agreement, dated 
as of January 21, 1992, as amended by the First Amendment 
to Amended and Restated Revolving Credit Agreement, dated 
as of March 7, 1994, and the Amendment

		EXHIBIT A-2
	Page 2

Agreement, dated as of August 1, 1994, and the Amendment 
Agreement dated as of January 3, 1995, the Amendment 
Agreement, dated as of December 31, 1995, the Amendment 
Agreement dated as of June 28, 1996, and the Amendment 
Agreement dated as of July 31, 1997 (as so amended, and 
as it may be further amended, modified or supplemented 
from time to time, the "Revolving Credit Agreement"), 
among the Borrowers, certain lenders a party thereto and 
Regions flank, as Agent, and Bank of America National 
Trust and Savings Association, as Documentation Agent, to 
which reference is made for a statement of the terms and 
conditions under which the principal hereof, accrued 
interest thereon and other amounts due thereunder is 
secured, may become or may be declared to be forthwith 
due and payable and is subject to prepayment.

This Revolving Note shall be binding upon the 
Borrowers and their respective successors and assigns and 
shall inure to the benefit of Lender and its respective 
successors and assigns.

Borrowers agree to pay, and save the holders hereof 
harmless against, any costs or liability for expenses 
(including reasonable attorneys' fees) arising in 
connection wit the enforcement by the holders hereof of 
any of the holders' rights under this Amended and 
Restated Revolving Note or the. Revolving Credit 
Agreement.

In case a Default or Event of Default, as defined in 
the Revolving Credit Agreement, shall occur and be 
continuing, the principal of this Amended and Restated 
Revolving Note may be declared due and payable in the 
manner and with the effect provided in the Revolving 
Credit Agreement.

						DRAVO LIME COMPANY

By: RICHARD E. 
REDLINGER____________
____________________
	Name : 
_____________________
_____
Title   : VICE 
PRESIDENT, TREASURER
ATTEST: ELAINE E. TOKOSH
_________________________
Its: ASST. CORPORATE SECRETARY ________________________

DRAVO BASIC MATERIALS 
COMPANY,  INC.

By: RICHARD E. 
REDLINGER____________
	_________________
_______________
	Name : 
_____________________
_____
Title   : VICE 
PRESIDENT, TREASURER 
_____________________
_____
ATTEST: ELAINE E. TOKOSH
___________________________
Its: ASST. CORPORATE SECRETARY ________________________

EXHIBIT 
A-3

THIS REVOLVING NOTE IS ISSUED IN SUBSTITUTION FOR, AND 
NOT IN REPAYMENT OF, THE AMENDED AND RESTATED REVOLVING 
NOTE, DATED JANUARY 3, 1995, AS AMENDED, ISSUED BY THE 
BORROWERS BELOW) (AS DEFINED BELOW) TO THE PREDECESSOR IN 
INTEREST OF THE LENDER (AS DEFINED BELOW) IN THE 
PRINCIPAL AMOUNT OF $22,035,000.00.

AMENDED AND RESTATED REVOLVING NOTE

	$17,967,000.00	July 31, 1997


FOR VALUE RECEIVED, DRAVO LIME COMPANY, a Delaware 
corporation, and DRAVO BASIC MATERIALS COMPANY, INC., an 
Alabama corporation (herein called the "Borrowers"), 
jointly and severally, promise to pay to the order of 
BANK OF AMERICA NATIONAL TRUST AND SAVINGS ASSOCIATION 
(herein called "Lender") at the offices of Regions Bank 
at 106 St. Francis Street, Post Office Box 2527, Mobile, 
Alabama 36622 (or such other place or as the holder 
hereof shall designate from time to time by written 
notice to the Borrowers) the principal sum of SEVENTEEN 
MILLION NINE HUNDRED SIXTY-SEVEN THOUSAND AND NO/100THS 
DOLLARS ($17,967,000.00), or, if less, the aggregate 
principal amount of all Revolving Line of Credit loans 
made by Lender to Borrowers pursuant to Article I and 
Section 11.2 of the Revolving Credit Agreement referred 
to below, in lawful money of the United States of America 
in immediately available funds, by wire transfer, on or 
before July 31, 1999, together with interest thereon and 
certain fees and other amounts due the Lender as set fort 
in the Revolving Credit Agreement referred to below.

Borrowers also, jointly and severally, promise to 
pay to Lender, in like money at such office, interest on 
the dates and at the rate per annum pursuant to the 
Revolving Credit Agreement.

This Amended and Restated Revolving Note is issued 
in substitution for, and not in repayment of, and amends 
and restates, the Amended and Restated Revolving Note, 
dated December 31, 1995, as amended.

Borrowers expressly waive any presentment, demand, 
protest or notice in connection with this Revolving Note, 
now or hereafter, required by applicable law, and further 
waive as to this debt all right of exemption under the 
Constitution and laws of the State of New York, or any 
other state or commonwealth.

This Revolving Note is referred to in and issued 
subject to that certain Revolving Credit Agreement, dated 
as of January 21, 1992, as amended by the First Amendment 
to Amended and Restated Revolving Credit Agreement, dated 
as of March 7, 1994, and the Amendment Agreement dated as 
of August 1, 1994, and the Amendment Agreement dated as 
of January 3, 1995, the Amendment Agreement, dated as of 
December 31, 1995, the Amendment Agreement

		EXHIBIT A-3
		Page 2

dated as of June 28, 1996, and the Amendment Agreement 
dated as of July 31, 1997 (as so amended, and as it may 
be further amended, modified or supplemented from time to 
time, the "Revolving Credit Agreement"), among the 
Borrowers, certain lenders a party thereto and Regions 
Bank, as Agent, and Bank of America National Trust and 
Savings Association, as Documentation Agent, to which 
reference is made for a statement of the terms and 
conditions under which the principal hereof, accrued 
interest thereon and other amounts due thereunder is 
secured, may become or may be declared to be forthwith 
due and payable and is subject to prepayment.

This Revolving Note shall be binding upon the 
Borrowers and their respective successors and assigns and 
shall inure to the benefit of Lender and its respective 
successors and assigns.

Borrowers agree to pay, and save the holders hereof 
harmless against, any costs or liability for expenses 
(including reasonable attorneys' fees) arising in 
connection with the enforcement by the holders hereof of 
any of the holders' rights under this Amended and 
Restated Revolving Note or the Revolving Credit 
Agreement.

In case a Default or Event of Default, as defined in 
the Revolving Credit Agreement, shall occur and be 
continuing, the principal of this Amended and Restated 
Revolving Note may be declared due and payable in the 
manner and with the effect provided in the Revolving 
Credit Agreement.

						DRAVO LIME COMPANY

By: RICHARD E. REDLINGER
	_________________
_______________
	Name : 
_____________________
_____
Title   : VICE 
PRESIDENT, TREASURER 
_____________________
_____
ATTEST:ELAINE E. TOKOSH
_________________________
Its: ASST. CORPORATE SECRETARY ________________________

DRAVO BASIC MATERIALS 
COMPANY,  INC.

By: RICHARD E. REDLINGER
	_________________
_______________
	Name : 
_____________________
_____
Title   : VICE 
PRESIDENT, TREASURER 
_____________________
_____
ATTEST: ELAINE E. TOKOSH
___________________________
Its: ASST. CORPORATE SECRETARY ________________________
EXHIBIT B-1

TERM NOTE
	$6,337,600.00	    
July 31, 1997


FOR VALUE RECEIVED, DRAVO LIME COMPANY, a Delaware 
corporation, and DRAVO BASIC MATERIALS COMPANY, INC., an 
Alabama corporation (herein called the "Borrowers"), 
jointly and severally, promise to pay to the order of 
REGIONS BANK (herein called "Lender") at the offices of 
Regions Bank at 106 St Francis Street, Post Office Box 
2527, Mobile, Alabama 36622 (or such other place or as 
the holder hereof shall designate from time to time by 
written notice to the Borrowers) the principal sum of SIX 
MILLION THREE HUNDRED THIRTY-SEVEN THOUSAND SIX HUNDRED 
AND NO/100THS DOLLARS ($6,337,600 00), together with 
interest on the principal balance from time to time 
unpaid at the floating rate hereinafter set forth, 
payable as follows:

AS TO PRINCIPAL: The unpaid principal balance of 
$6,337,600.00 shall be payable in 20 quarterly 
installments of $316,880.00 each. The first 
installment of principal shall be due on October 
31, 1997, and a like and similar installment shall 
be due on the last day of January, April, July and 
October of each year thereafter for the next 19 
quarters until the principal indebtedness is paid 
in full.

AS TO INTEREST: Interest on the principal balance 
due from time to time outstanding, at the per annum 
rate hereinafter stated, shall be computed and paid 
quarterly.  Interest shall be paid quarterly on the 
due date of the principal installments, commencing 
October 31, 1997, until the principal balance and 
all accrued interest is paid in full. The per annum 
interest rate applicable to this Term Note shall be 
the rate specified in the Revolving Credit 
Agreement referred to below for a Eurodollar Rate 
Loan, that is the Eurodollar Rate, plus the 
Interest Rate Margin of two percent (2.00%) per 
annum. The interest rate applicable for each period 
shall be the Eurodollar Rate determined as set 
forth in the Revolving Credit Agreement for such 
period, plus the Interest Rate Margin of two 
percent (2.00%) per annum, and such rate shall be 
adjusted according to the interest period selected 
pursuant to the terms of the Revolving Credit 
Agreement.

In addition to the foregoing principal and interest, 
Borrowers, jointly and severally, promise to pay to 
Lender certain fees and other amounts due the Lender as 
set forth in the Revolving Credit Agreement referred to 
below.

Borrowers expressly waive any presentment, demand, 
protest or notice in connection with this Term Note, now 
or hereafter, required by applicable law, and further 
waive as to this debt all right of exemption under the 
Constitution and laws of the State of New York, or any 
other state or commonwealth.

This Term Note is issued subject to that certain 
Revolving Credit Agreement, dated as of January 21, 1992, 
as amended by the First Amendment to Amended and Restated 
Revolving Credit Agreement, dated as of March 7, 1994, 
and the Amendment Agreement, dated as of August 1, 1994, 
and the Amendment Agreement dated as of January 3, 1995, 
the Amendment

								  EXHIBIT B-1			Page 2

Agreement, dated as of December 31, 1995, the Amendment 
Agreement dated as of June 28, 1996, and the Amendment 
Agreement dated as of July 31, 1997 (as so amended, and 
as it may be further amended, modified or supplemented 
from time to time, the "Revolving Credit Agreement"), 
among the Borrowers, certain lenders a party thereto and 
Regions Bank, as Agent, and Bank of America National 
Trust and Savings Association, as Documentation Agent, to 
which reference is made for a statement of the terms and 
conditions under which the principal hereof, accrued 
interest thereon and other amounts due thereunder is 
secured, may become or may be declared to be forthwith 
due and payable and is subject to prepayment. Capitalized 
terms used but not defined herein shall have the meanings 
assigned to such terms in the Revolving Credit Agreement.

This Term Note shall be binding upon the Borrowers 
and their respective successors and assigns and shall 
inure to the benefit of Lender and its respective 
successors and assigns.

Borrowers agree to pay, and save the holders hereof 
harmless against, any costs or liability for expenses 
(including reasonable attorneys' fees) arising in 
connection with the enforcement by the holders hereof of 
any of the holders' rights under this Term Note or the 
Revolving Credit Agreement.

In case a Default or Event of Default, as defined in 
the Revolving Credit Agreement, shall occur and be 
continuing, then, at the option of the holder hereof, the 
whole of the unpaid principal sum, together with accrued 
interest thereon and all other amounts due, shall 
immediately become due and payable. Failure to exercise 
this option shall not constitute a waiver of the right to 
exercise the same in the event of any subsequent default.

						DRAVO LIME COMPANY

By: RICHARD E. REDLINGER
	_________________
_______________
	Name : 
_____________________
_____
Title   : VICE 
PRESIDENT, TREASURER
ATTEST: ELAINE E. TOKOSH
_________________________
Its: ASST. CORPORATE SECRETARY ________________________

DRAVO BASIC MATERIALS 
COMPANY,  INC.

By: RICHARD E. REDLINGER
	_________________
_______________
	Name : 
_____________________
_____
Title   : VICE 
PRESIDENT, TREASURER
_____________________
_____
ATTEST: ELAINE E. TOKOSH
___________________________
Its: ASST. CORPORATE SECRETARY________________________


		 EXHIBIT B-2

TERM NOTE

	$4,899,400.00	July 31, 1997


FOR VALUE RECEIVED, DRAVO LIME COMPANY, a Delaware 
corporation, and DRAVO BASIC MATERIALS COMPANY, INC., an 
Alabama corporation (herein called the "Borrowers"), 
jointly and severally, promise to pay to the order of PNC 
BANK, NATIONAL ASSOCIATION (herein called "Lender") at 
the offices of Regions Bank at 106 St. Francis Street, 
Post Office Box 2527, Mobile, Alabama 36622 (or such 
other place or as the holder hereof shall designate from 
time to time by written notice to the Borrowers) the 
principal sum of FOUR MILLION EIGHT HUNDRED NINETY-NINE 
THOUSAND FOUR HUNDRED AND NO/100THS DOLLARS 
($4,899,400.00), together with interest on the principal 
balance from time to time unpaid at the floating rate 
hereinafter set forth, payable as follows:

AS TO PRINCIPAL: The unpaid principal balance of 
$4,899,400.00 shall be payable in 20 quarterly 
installments of $244,970.00 each. The first 
installment of principal shall be due on October 
31, 1997, and a like and similar installment shall 
be due on the last day of January, April, July and 
October of each year thereafter for the next 19 
quarters until the principal indebtedness is paid 
in full.

AS TO INTEREST: Interest on the principal balance 
due from time to time outstanding, at the per annum 
rate hereinafter stated, shall be computed and paid 
quarterly.  Interest shall be paid quarterly on the 
due date of the principal installments, commencing 
October 31, 1997, until the principal balance and 
all accrued interest is paid in full. The per annum 
interest rate applicable to this Term Note shall be 
the rate specified in the Revolving Credit 
Agreement referred to below for a Eurodollar Rate 
Loan, that is the Eurodollar Rate, plus the 
Interest Rate Margin of two percent (2.00%) per 
annum. The interest rate applicable for each period 
shall be the Eurodollar Rate determined as set 
forth in the Revolving Credit Agreement for such 
period, plus the Interest Rate Margin of two 
percent (2.00%) per annum, and such rate shall be 
adjusted according to the interest period selected 
pursuant to the terms of the Revolving Credit 
Agreement.

In addition to the foregoing principal and interest, 
Borrowers, jointly and severally, promise to pay to 
Lender certain fees and other amounts due the Lender as 
set forth in the Revolving Credit Agreement referred to 
below.

Borrowers expressly waive any presentment, demand, 
protest or notice in connection with this Term Note, now 
or hereafter, required by applicable law, and further 
waive as to this debt all right of exemption under the 
Constitution and laws of the State of New York, or any 
other state or commonwealth.

This Term Note is referred to in and issued subject 
to that certain Revolving Credit Agreement, dated as of 
January 21, 1992, as amended by the First Amendment to 
Amended and

		EXHIBIT B-2
		Page 2

Restated Revolving Credit Agreement, dated as of March 7, 
1994, and the Amendment Agreement, dated as of August 1, 
1994, and the Amendment Agreement dated as of January 3, 
1995, the Amendment Agreement, dated as of December 31, 
1995, the Amendment Agreement dated as of June 28, 1996, 
and the Amendment Agreement dated as of July 31, 1997 (as 
so amended, and as it may be further amended, modified or 
supplemented from time to time, the "Revolving Credit 
Agreement"), among the Borrowers, certain lenders a party 
thereto and Regions Bank, as Agent, and Bank of America 
National Trust and Savings Association, as Documentation 
Agent, to which reference is made for a statement of the 
terms and conditions under which the principal hereof, 
accrued interest thereon and other amounts due thereunder 
is secured, may become or may be declared to be forthwith 
due and payable and is subject to prepayment. Capitalized 
terms used but not defined herein shall have the meanings 
assigned to such terms in the Revolving Credit Agreement.

This Term Note shall he binding upon the Borrowers 
and their respective successors and assigns and shall 
inure to the benefit of Lender and its respective 
successors and assigns.

Borrowers agree to pay, and save the holders hereof 
harmless against, any costs or liability for expenses 
(including reasonable attorneys' fees) arising in 
connection with the enforcement by the holders hereof of 
any of the holders' rights under this Term Note or the 
Revolving Credit Agreement.

In case a Default or Event of Default, as defined in 
the Revolving Credit Agreement, shall occur and be 
continuing, then, at the option of the holder hereof, the 
whole of the unpaid principal sum, together with accrued 
interest thereon and all other amounts due, shall 
immediately become due and payable. Failure to exercise 
this option shall not constitute a waiver of the right to 
exercise the same in the event of any subsequent default.

						DRAVO LIME COMPANY
By: RICHARD E. REDLINGER

_________________________
______
	Name : 
_____________________
_____
Title   : VICE 
PRESIDENT, TREASURER 
ATTEST: ELAINE E. TOKOSH
_________________________
Its: _ ASST. CORPORATE SECRETARY _______________________

DRAVO BASIC MATERIALS 
COMPANY,  INC.

By RICHARD E REDLINGER
	_________________
_______________
	Name : 
_____________________
_____
Title   : VICE 
PRESIDENT, TREASURER 
_____________________
_____
ATTEST: ELAINE E. TOKOSH
___________________________
Its: ASST. CORPORATE SECRETARY ________________________
EXHIBIT B-3
TERM NOTE

	$5,763,000.00
	July 31, 1997


FOR VALUE RECEIVED, DRAVO LIME COMPANY, a Delaware 
corporation, and DRAVO BASIC MATERIALS COMPANY, INC., an 
Alabama corporation (herein called the "Borrowers"), 
jointly and severally, promise to pay to the order of 
BANK OF AMERICA NATIONAL TRUST AND SAVINGS ASSOCIATION 
(herein called "Lender") at the offices of Regions Bank 
at 106 St. Francis Street, Post Office Box 2527, Mobile, 
Alabama 36622 (or such other place or as the holder 
hereof shall designate from time to time by written 
notice to the Borrowers) the principal sum of FIVE 
MILLION SEVEN HUNDRED SIXTY-THREE THOUSAND AND NO/100THS 
DOLLARS ($5,763,000.00), together with interest on the 
principal balance from time to time unpaid at the 
floating rate hereinafter set forth, payable as follows:

AS TO PRINCIPAL: The unpaid principal balance of 
$5,763,000.00 shall be payable in 20 quarterly 
installments of $288,150.00 each. The first 
installment of principal shall be due on October 
31, 1997, and a like and similar installment shall 
be due on the last day of January, April, July and 
October of each year thereafter for the next 19 
quarters until the principal indebtedness is paid 
in full.

AS TO INTEREST: Interest on the principal balance 
due from time to time outstanding, at the per annum 
rate hereinafter stated, shall be computed and paid 
quarterly.  Interest shall be paid quarterly on the 
due date of the principal installments, commencing 
October 31, 1997, until the principal balance and 
all accrued interest is paid in full. The per annum 
interest rate applicable to this Term Note shall be 
the rate specified in the Revolving Credit 
Agreement referred to below for a Eurodollar Rate 
Loan, that is the Eurodollar Rate, plus the 
Interest Rate Margin of two percent (2.00%) per 
annum. The interest rate applicable for each period 
shall be the Eurodollar Rate determined as set 
forth in the Revolving Credit Agreement for such 
period, plus the Interest Rate Margin of two 
percent (2.00%) per annum, and such rate shall be 
adjusted according to the interest period selected 
pursuant to the terms of the Revolving Credit 
Agreement.

In addition to the foregoing principal and interest, 
Borrowers, jointly and severally, promise to pay to 
Lender certain fees and other amounts due the Lender as 
set forth in the Revolving Credit Agreement referred to 
below.

Borrowers expressly waive any presentment, demand, 
protest or notice in connection with this Term Note, now 
or hereafter, required by applicable law, and further 
waive as to this debt all right of exemption under the 
Constitution and laws of the State of New York, or any 
other state or commonwealth.

This Term Note is referred to in and issued subject 
to that certain Revolving Credit Agreement, dated as of 
January 21, 1992, as amended by the First Amendment to 
Amended and Restated Revolving Credit Agreement, dated as 
of March 7,1994, and the Amendment

	 	EXHIBIT 3
		Page 2

Agreement, dated as of August 1, 1994, and the Amendment 
Agreement dated as of January 3, 1995, the Amendment 
Agreement, dated as of December 31, 1995, the Amendment 
Agreement dated as of June 28, 1996, and the Amendment 
Agreement dated as of July 31, 1997 (as so amended, and 
as it may be further amended, modified or supplemented 
from time to time, the "Revolving Credit Agreement"), 
among the Borrowers, certain lenders a party thereto and 
Regions Bank, as Agent, and Bank of America National 
Trust and Savings Association, as Documentation Agent, to 
which reference is made for a statement of the terms and 
conditions under which the principal hereof, accrued 
interest thereon and other amounts due thereunder is 
secured, may become or may be declared to be forthwith 
due and payable and is subject to prepayment. Capitalized 
terms used but not defined herein shall have the meanings 
assigned to such terms in the Revolving Credit Agreement.

This Term Note shall be binding upon the Borrowers 
and their respective successors and assigns and shall 
inure to the benefit of Lender and its respective 
successors and assigns.

Borrowers agree to pay, and save the holders hereof 
harmless against, any costs or liability for expenses 
(including reasonable attorneys' fees) arising in 
connection with the enforcement by the holders hereof of 
any of the holders' rights under this Term Note or the 
Revolving Credit Agreement.

In case a Default or Event of Default, as defined in 
the Revolving Credit Agreement, shall occur and be 
continuing, then, at the option of the holder hereof the 
whole of the unpaid principal sum, together with accrued 
interest thereon and all other amounts due, shall 
immediately become due and payable. Failure to exercise 
this option shall not constitute a waiver of the right to 
exercise the same in the even of any subsequent default.

						DRAVO LIME COMPANY

By: RICHARD E. REDLINGER
	_________________
_______________
	Name : 
_____________________
_____
Title   : VICE 
PRESIDENT, TREASURER 
ATTEST: ELAINE E. TOKOSH
_________________________
Its: ASST. CORPORATE SECRETARY ________________________

DRAVO BASIC MATERIALS 
COMPANY,  INC.

By: RICHARD E. REDLINGER
	_________________
_______________
	Name : 
_____________________
_____
Title   : VICE 
PRESIDENT, TREASURER 
_____________________
_____
ATTEST: ELAINE E. TOKOSH ___________________________
Its: ASST. CORPORATE SECRETARY ________________________

THIS REVOLVING NOTE IS ISSUED IN SUBSTITUTION FOR, AND 
NOT IN REPAYMENT OF, THE AMENDED AND RESTATED REVOLVING 
NOTE, DATED JANUARY 3, 1995, AS AMENDED, ISSUED BY THE 
BORROWERS (AS DEFINED BELOW) TO THE LENDER (AS DEFINED 
BELOW) IN THE PRINCIPAL AMOUNT OF $24,232,000.00.


AMENDED AND RESTATED REVOLVING NOTE
	
$19,758,400.00
	July 31, 1997


FOR VALUE RECEIVED, DRAVO LIME COMPANY, a Delaware 
corporation, and DRAVO BASIC MATERIALS COMPANY, INC., an 
Alabama corporation (herein called the "Borrowers"), 
jointly and severally, promise to pay to the order of 
REGIONS BANK (herein called "Lender") at the offices of 
Regions Bank at 106 St. Francis Street, Post Office Box 
2527, Mobile, Alabama 36622 (or such other place or as 
the holder hereof shall designate from time to time by 
written notice to the Borrowers) the principal sum of 
NINETEEN MILLION SEVEN HUNDRED FIFTY EIGHT THOUSAND FOUR 
HUNDRED AND NO/100THS DOLLARS ($19,758,400.00), or, if 
less, the aggregate principal amount of all Revolving 
Line of Credit loans made by Lender to Borrowers pursuant 
to Article I and Section 11.2 of the Revolving Credit 
Agreement referred to below, in lawful money of the 
United States of America in immediately available funds, 
by wire transfer, on or before July 31, 1999, together 
with interest thereon and certain fees and other amounts 
due the Lender as set forth in the Revolving Credit 
Agreement referred to below.

Borrowers also, jointly and severally, promise to 
pay to lender, in like money at such office, interest on 
the dates and at the rate per annum pursuant to the 
Revolving Credit Agreement.

This Amended and Restated Revolving Note is issued 
in substitution for, and not in repayment of, and amends 
and restates, the Amended and Restated Revolving Note, 
dated December 31, 1995, as amended.

Borrowers expressly waive any presentment, demand, 
protest or notice in connection with this Revolving Note, 
now or hereafter, required by applicable law, and further 
waive as to this debt all right of exemption under the 
Constitution and laws of the State of New York, or any 
other state or commonwealth.

This Revolving Note is referred to in and issued 
subject to that certain Revolving Credit Agreement, dated 
as of January 21, 1992, as amended by the First Amendment 
to Amended and Restated Revolving Credit Agreement, dated 
as of March 7, 1994, and the Amendment Agreement, dated 
as of August 1, 1994, and the Amendment Agreement dated 
as of January 3, 1995, the Amendment Agreement, dated as 
of December 31, 1995, the Amendment Agreement dated as of 
June 28, 1996, and the Amendment Agreement dated as of 
July 31, 1997 (as so amended, and as it may be further 
amended, modified or supplemented from time to time, the

		Amended and Restated Revolving Note
	Page 2

"Revolving Credit Agreement"), among the Borrowers, 
certain lenders a party thereto and Regions Bank, as 
Agent, and Bank of America National Trust and Savings 
Association, as Documentation Agent, to which reference 
is made for a statement of the terms and conditions under 
which the principal hereof, accrued interest thereon and 
other amounts due thereunder is secured, may become or 
may be declared to be forthwith due and payable and is 
subject to prepayment.

This Revolving Note shall be binding upon the 
Borrowers and their respective successors and assigns and 
shall inure to the benefit of Lender and its respective 
successors and assigns.

Borrowers agree to pay, and save the holders hereof 
harmless against, any costs or liability for expenses 
(including reasonable attorneys' fees) arising in 
connection with the enforcement by the holders hereof of 
any of the holders' rights under this Amended and 
Restated Revolving Note or the Revolving Credit 
Agreement.

In case a Default or Event of Default, as defined in 
the Revolving Credit Agreement, shall occur and be 
continuing, the principal of this Amended and Restated 
Revolving Note may be declared due and payable in the 
manner and with the effect provided in the Revolving 
Credit Agreement.

						DRAVO LIME COMPANY

By: RICHARD E. REDLINGER
	_________________
_______________
	Name : 
_____________________
_____
Title   : VICE 
PRESIDENT, TREASURER
ATTEST: ELAINE E. TOKOSH
_________________________
Its: ASST. CORPORATE SECRETARY ________________________

DRAVO BASIC MATERIALS 
COMPANY,  INC.

By: RICHARD E. REDLINGER
	_________________
_______________
	Name : 
_____________________
_____
Title   : VICE 
PRESIDENT, TREASURER 
_____________________
_____
ATTEST: ELAINE E. TOKOSH
___________________________
Its: ASST. CORPORATE SECRETARY ________________________







THIS REVOLVING NOTE IS ISSUED IN SUBSTITUTION FOR, AND 
NOT IN REPAYMENT OF, THE AMENDED AND RESTATED REVOLVING 
NOTE, DATED JANUARY 3, 1995, AS AMENDED, ISSUED BY THE 
BORROWERS (AS DEFINED BELOW) TO THE PREDECESSOR IN 
INTEREST OF THE LENDER (AS DEFINED BELOW) IN THE 
PRINCIPAL AMOUNT OF $22,035,000.00.


AMENDED AND RESTATED REVOLVING NOTE

	$17,967,000.00	July 31, 1997


FOR VALUE RECEIVED, DRAVO LIME COMPANY, a Delaware 
corporation, and DRAVO BASIC MATERIALS COMPANY, INC., an 
Alabama corporation ('1erein called the "Borrowers"), 
jointly and severally, promise to pay to the order of 
BANK OF AMERICA NATIONAL TRUST AND SAVINGS ASSOCIATION 
(herein called "Lender") at the offices of Regions Bank 
at 106 St. Francis Street, Post Office Box 2527, Mobile, 
Alabama 36622 (or such other place or as the holder 
hereof shall designate from time to time by written 
notice to the Borrowers) the principal sum of SEVENTEEN 
MILLION NINE HUNDRED SIXTY-SEVEN THOUSAND AND NO/100THS 
DOLLARS ($17,967,000.00), or, if less, the aggregate 
principal amount of all Revolving Line of Credit loans 
made by Lender to Borrowers pursuant to Article I and 
Section 11.2 of the Revolving Credit Agreement referred 
to below, in lawful money of the United States of America 
in immediately available funds, by wire transfer, on or 
before July 31, 1999, together with interest thereon and 
certain fees and other amounts due the Lender as set 
forth in the Revolving Credit Agreement referred to 
below.

Borrowers also, jointly and severally, promise to 
pay to Lender, in like money at such office, interest on 
the dates and at the rate per annum pursuant to the 
Revolving Credit Agreement.

	This Amended and Restated Revolving Note is issued 
in substitution for, and not in repayment of, and amends 
and restates, the Amended and Restated Revolving Note, 
dated December 31, 1995, as amended.

Borrowers expressly waive any presentment, demand, 
protest or notice in connection with this Revolving Note, 
now or hereafter, required by applicable law, and further 
waive as to this debt all right of exemption under the 
Constitution and laws of the State of New York, or any 
other state or commonwealth.

This Revolving Note is referred to in and issued 
subject to that certain Revolving Credit Agreement, dated 
as of January 21, 1992, as amended by the First Amendment 
to Amended and Restated Revolving Credit Agreement, dated 
as of March 7, 1994, and the Amendment Agreement, dated 
as of August 1, 1994, and the Amendment Agreement dated 
as of January 3, 1995, the Amendment Agreement, dated as 
of December 31, 1995, the Amendment Agreement dated as of 
June 28, 1996, and the Amendment Agreement dated as of 
July 31, 1997 (as so amended, and as it may be further 
amended, modified or supplemented from time to time, the

		Amended and Restated Revolving Note
	Page 2

"Revolving Credit Agreement"), among the Borrowers, 
certain lenders a party thereto and Regions Bank, as 
Agent, and Bank of America National Trust and Savings 
Association, as Documentation Agent, to which reference 
is made for a statement of the terms and conditions under 
which the principal hereof, accrued interest thereon and 
other amounts due thereunder is secured, may become or 
may be declared to be forthwith due and payable and is 
subject to prepayment.

This Revolving Note shall be binding upon the 
Borrowers and their respective successors and assigns and 
shall inure to the benefit of Lender and its respective 
successors and assigns.

Borrowers agree to pay, and save the holders hereof 
harmless against, any costs or liability for expenses 
(including reasonable attorneys' fees) arising in 
connection with the enforcement by the holders hereof of 
any of the holders' rights under this Amended and 
Restated Revolving Note or the Revolving Credit 
Agreement.

In case a Default or Event of Default, as defined in 
the Revolving Credit Agreement, shall occur and be 
continuing, the principal of this Amended and Restated 
Revolving Note may be declared due and payable in the 
manner and with the effect provided in the Revolving 
Credit Agreement.

						DRAVO LIME COMPANY

By: RICHARD E. REDLINGER
	_________________
_______________
	Name : 
_____________________
_____
Title   : VICE 
PRESIDENT, TREASURER
ATTEST: ELAINE E. TOKOSH

Its: ASST. CORPORATE SECRETARY ________________________

DRAVO BASIC MATERIALS 
COMPANY,  INC.

By: RICHARD E. REDLINGER
	_________________
_______________
	Name : 
_____________________
_____
Title   : VICE 
PRESIDENT, TREASURER 
_____________________
_____
ATTEST: ELAINE E. TOKOSH

___________________________
Its: ASST. CORPORATE SECRETARY ________________________





THIS REVOLVING NOTE IS ISSUED IN SUBSTITUTION FOR, AND 
NOT IN REPAYMENT OF, THE AMENDED AND RESTATED REVOLVING 
NOTE, DATED JANUARY 3, 1995, AS AMENDED, ISSUED BY THE 
BORROWERS (AS DEFINED BELOW) TO THE LENDER (AS DEFINED 
BELOW) IN THE PRINCIPAL AMOUNT OF $18,733,000.00.


AMENDED AND RESTATED REVOLVING NOTE

$15,274,600.00	July 31, 1997


FOR VALUE RECEIVED, DRAVO LIME COMPANY, a Delaware 
corporation, and DRAVO BASIC MATERIALS COMPANY, INC., an 
Alabama corporation (herein called the "Borrowers"), 
jointly and severally, promise to pay to the order of PNC 
BANK, NATIONAL ASSOCIATION (herein called "Lender") at 
the offices of Regions Bank at 106 St. Francis Street, 
Post Office Box 2527, Mobile, Alabama 36622 (or such 
other place or as the holder hereof shall designate from 
time to time by written notice to the Borrowers) the 
principal sum of FIFTEEN MILLION TWO HUNDRED SEVENTY-FOUR 
THOUSAND SIX HUNDRED AND NO/100THS DOLLARS 
($15,274,600.00), or, if less, the aggregate principal 
amount of all Revolving Line of Credit loans made by 
Lender to Borrowers pursuant to Article I and Section 
11.2 of the Revolving Credit Agreement referred to below, 
in lawful money of the United States of America in 
immediately available funds, by wire transfer, on or 
before July 31, 1999, together with interest thereon and 
certain fees and other amounts due the Lender as set 
forth in the Revolving Credit Agreement referred to 
below.

Borrowers also, jointly and severally, promise to 
pay to Lender, in like money at such office, interest on 
the dates and at the rate per annum pursuant to the 
Revolving Credit Agreement.

This Amended and Restated Revolving Note is issued 
in substitution for, and not in repayment of, and amends 
and restates, the Amended and Restated Revolving Note, 
dated December 31, 1995, as amended.

Borrowers expressly waive any presentment, demand, 
protest or notice in connection with this Revolving Note, 
now or hereafter, required by applicable law, and further 
waive as to this debt all right of exemption under the 
Constitution and laws of the State of New York, or any 
other state or commonwealth.

This Revolving Note is referred to in and issued 
subject to that certain Revolving Credit Agreement, dated 
as of January 21, 1992, as amended by the First Amendment 
to Amended and Restated Revolving Credit Agreement, dated 
as of March 7, 1994, and the Amendment Agreement, dated 
as of August 1, 1994, and the Amendment Agreement dated 
as of January 3, 1995, the Amendment Agreement, dated as 
of December 31, 1995, the Amendment Agreement dated as of 
June 28, 1996, and the Amendment Agreement dated as of 
July 31, 1997 (as so amended, and as it may be further 
amended, modified or supplemented from time to time, the

	Amended and Restated Revolving Note          Page 2

"Revolving Credit Agreement"), among the Borrowers, 
certain lenders a party thereto and Regions Bank, as 
Agent, and Bank of America National Trust and Savings 
Association, as Documentation Agent, to which reference 
is made for a statement of the terms and conditions under 
which the principal hereof, accrued interest thereon and 
other amounts due thereunder is secured, may become or 
may be declared to be forthwith due and payable and is 
subject to prepayment.

This Revolving Note shall be binding upon the 
Borrowers and their respective successors and assigns and 
shall inure to the benefit of Lender and its respective 
successors and assigns.

Borrowers agree to pay, and save the holders hereof 
harmless against, any costs or liability for expenses 
(including reasonable attorneys' fees) arising in 
connection with the enforcement by the holders hereof of 
any of the holders' rights under this Amended and 
Restated Revolving Note or the Revolving Credit 
Agreement.

In case a Default or Event of Default, as defined in 
the Revolving Credit Agreement, shall occur and be 
continuing, the principal of this Amended and Restated 
Revolving Note may be declared due and payable in the 
manner and with the effect provided in the Revolving 
Credit Agreement.


						DRAVO LIME COMPANY

By: RICHARD E. REDLINGER
	_________________
_______________
	Name : 
_____________________
_____
Title   : VICE 
PRESIDENT, TREASURER
ATTEST: ELAINE E. TOKOSH
_________________________
Its: ASST. CORPORATE SECRETARY ________________________

DRAVO BASIC MATERIALS 
COMPANY,  INC.

By: RICHARD E. REDLINGER
	_________________
_______________
	Name : 
_____________________
_____
Title   : VICE 
PRESIDENT, TREASURER 
_____________________
_____
ATTEST: ELAINE E. TOKOSH
___________________________
Its: ASST. CORPORATE SECRETARY ________________________




TERM NOTE
	$6,337,600.00
	July 31, 1997


FOR VALUE RECEIVED, DRAVO LIME COMPANY, a Delaware 
corporation, and DRAVO BASIC MATERIALS COMPANY, INC., an 
Alabama corporation (herein called the "Borrowers"), 
jointly and severally, promise to pay to the order of 
REGIONS BANK (herein called "Lender") at the offices of 
Regions Bank at 106 St. Francis Street, Post Office Box 
2527, Mobile, Alabama 36622 (or such other place or as 
the holder hereof shall designate from time to time by 
written notice to the Borrowers) the principal sum of SIX 
MILLION THREE HUNDRED THIRTY-SEVEN THOUSAND SIX HUNDRED 
AND NO/100THS DOLLARS ($6,337,600.00), together with 
interest on the principal balance from time to time 
unpaid at the floating rate hereinafter set forth, 
payable as follows:

AS TO PRINCIPAL: The unpaid principal balance of 
$6,337,600.00 shall be payable in 20 quarterly 
installments of $316,880.00 each. The first 
installment of principal shall be due on October 
31, 1997, and a like and similar installment shall 
be due on the last day of January, April, July and 
October of each year thereafter for the next 19 
quarters until the principal indebtedness is paid 
in full.

AS TO INTEREST: Interest on the principal balance 
due from time to time outstanding, at the per annum 
rate hereinafter stated, shall be computed and paid 
quarterly.  Interest shall be paid quarterly on the 
due date of the principal installments, commencing 
October 31, 1997, until the principal balance and 
all accrued interest is paid in full. The per annum 
interest rate applicable to this Term Note shall be 
the rate specified in the Revolving Credit 
Agreement referred to below for a Eurodollar Rate 
Loan, that is the Eurodollar Rate, plus the 
Interest Rate Margin of two percent (2.00%) per 
annum. The interest rate applicable for each period 
shall be the Eurodollar Rate determined as set 
forth in the Revolving Credit Agreement for such 
period, plus the Interest Rate Margin of two 
percent (2.00%) per annum, and such rate shall be 
adjusted according to the interest period selected 
pursuant to the terms of the Revolving Credit 
Agreement.

In addition to the foregoing principal and interest, 
Borrowers, jointly and severally, promise to pay to 
Lender certain fees and other amounts due the Lender as 
set forth in the Revolving Credit Agreement referred to 
below.

Borrowers expressly waive any presentment, demand, 
protest or notice in connection with this Term Note, now 
or hereafter, required by applicable law, and further 
waive as to this debt all right of exemption under the 
Constitution and laws of the State of New York, or any 
other state or commonwealth.

This Term Note is issued subject to that certain 
Revolving Credit Agreement, dated as of January 21, 1992, 
as amended by the First Amendment to Amended and Restated 
Revolving Credit Agreement, dated as of March 7, 1994, 
and the Amendment Agreement, dated as of August 1, 1994, 
and the Amendment Agreement dated as of January 3, 1995, 
the Amendment Agreement, dated as of December 31, 1995, 
the Amendment Agreement dated as of June 28,

		Term Note
	 Page 2

1996, and the Amendment Agreement dated as of July 31, 
1997 (as so amended, and as it may be further amended, 
modified or supplemented from time to time, the 
"Revolving Credit Agreement"), among the Borrowers, 
certain lenders a party thereto and Regions Bank, as 
Agent, and Bank of America National Trust and Savings 
Association, as Documentation Agent, to which reference 
is made for a statement of the terms and conditions under 
which the principal hereof, accrued interest thereon and 
other amounts due thereunder is secured, may become or 
may be declared to be forthwith due and payable and is 
subject to prepayment. Capitalized terms used but not 
defined herein shall have the meanings assigned to such 
terms in the Revolving Credit Agreement.

This Term Note shall be binding upon the Borrowers 
and their respective successors and assigns and shall 
inure to the benefit of Lender and its respective 
successors and assigns.

Borrowers agree to pay, and save the holders hereof 
harmless against, any costs or liability for expenses 
(including reasonable attorneys' fees) arising in 
connection with the enforcement by the holders hereof of 
any of the holders' rights under this Term Note or the 
Revolving Credit Agreement.

In case a Default or Event of Default, as defined in 
the Revolving Credit Agreement, shall occur and be 
continuing, then, at the option of the holder hereof, the 
whole of the unpaid principal sum, together with accrued 
interest thereon and all other amounts due, shall 
immediately become due and payable. Failure to exercise 
this option shall not constitute a waiver of the right to 
exercise the same in the event of any subsequent default.


						DRAVO LIME COMPANY

By: RICHARD E. REDLINGER
	_________________
_______________
	Name : 
_____________________
_____
Title   : VICE 
PRESIDENT, TREASURER
ATTEST: ELAINE E. TOKOSH
_________________________
Its: _ ASST. CORPORATE SECRETARY _______________________

DRAVO BASIC MATERIALS 
COMPANY,  INC.

By: RICHARD E. REDLINGER
	_________________
_______________
	Name : 
_____________________
_____
Title   : VICE 
PRESIDENT, TREASURER 
_____________________
_____
ATTEST: ELAINE E. TOKOSH
___________________________
Its: ASST. CORPORATE SECRETARY ________________________




TERM NOTE

$4,899,400.00	July 31, 1997

FOR VALUE RECEIVED, DRAVO LIME COMPANY, a Delaware 
corporation, and DRAVO BASIC MATERIALS COMPANY, INC., an 
Alabama corporation (herein called the "Borrowers"), 
jointly and severally, promise to pay to the order of PNC 
BANK, NATIONAL ASSOCIATION (herein called "Lender") at 
the offices of Regions Bank at 106 St. Francis Street, 
Post Office Box 2527, Mobile, Alabama 36622 (or such 
other place or as the holder hereof shall designate from 
time to time by written notice to the Borrowers) the 
principal sum of FOUR MILLION EIGHT HUNDRED NINETY-NINE 
THOUSAND FOUR HUNDRED AND NO/100THS DOLLARS 
($4,899,400.00), together with interest on the principal 
balance from time to time unpaid at the floating rate 
hereinafter set forth, payable as follows:

AS TO PRINCIPAL: The unpaid principal balance of 
$4,899,400.00 shall be payable in 20 quarterly 
installments of $244,970.00 each. The first 
installment of principal shall be due on October 
31, 1997, and a like and similar installment shall 
be due on the last day of January, April, July and 
October of each year thereafter for the next 19 
quarters until the principal indebtedness is paid 
in fall.

AS TO INTEREST: Interest on the principal balance 
due from time to time outstanding, at the per annum 
rate hereinafter stated, shall be computed and paid 
quarterly.  Interest shall be paid quarterly on the 
due date of the principal installments, commencing 
October 31, 1997, until the principal balance and 
all accrued interest is paid in full. The per annum 
interest rate applicable to this Term Note shall be 
the rate specified in the Revolving Credit 
Agreement referred to below for a Eurodollar Rate 
Loan, that is the Eurodollar Rate, plus the 
Interest Rate Margin of two percent (2.00%) per 
annum. The interest rate applicable for each period 
shall be the Eurodollar Rate determined as set 
forth in the Revolving Credit Agreement for such 
period, plus the Interest Rate Margin of two 
percent (2.00%) per annum, and such rate shall be 
adjusted according to the interest period selected 
pursuant to the terms of the Revolving Credit 
Agreement.

In addition to the foregoing principal and interest, 
Borrowers, jointly and severally, promise to pay to 
Lender certain fees and other amounts due the Lender as 
set forth in the Revolving Credit Agreement referred to 
below.

Borrowers expressly waive any presentment, demand, 
protest or notice in connection with this Term Note, now 
or hereafter, required by applicable law, and further 
waive as to this debt all right of exemption under the 
Constitution and laws of the State of New York, or any 
other state or commonwealth.

This Term Note is referred to in and issued subject 
to that certain Revolving Credit Agreement, dated as of 
January 21, 1992, as amended by the First Amendment to 
Amended and Restated Revolving Credit Agreement, dated as 
of March 7, 1994, and the Amendment Agreement, dated as 
of August 1, 1994, and the Amendment Agreement dated as 
of January 3, 1995, the Amendment Agreement, dated as of 
December 31, 1995, the Amendment Agreement

		Term Note
		 Page 2

dated as of June 28, 1996, and the Amendment Agreement 
dated as of July 31, 1997 (as so amended, and as it may 
be further amended, modified or supplemented from time to 
time, the "Revolving Credit Agreement"), among the 
Borrowers, certain lenders a party thereto and Regions 
Bank, as Agent, and Bank of America National Trust and 
Savings Association, as Documentation Agent, to which 
reference is made for a statement of the terms and 
conditions under which the principal hereof, accrued 
interest thereon and other amounts due thereunder is 
secured, may become or may be declared to be forthwith 
due and payable and is subject to prepayment. Capitalized 
terms used but not defined herein shall have the meanings 
assigned to such terms in the Revolving Credit Agreement.

This Term Note shall be binding upon the Borrowers 
and their respective successors and assigns and shall 
inure to the benefit of Lender and its respective 
successors and assigns.

Borrowers agree to pay, and save the holders hereof 
harmless against, any costs or liability for expenses 
(including reasonable attorneys' fees) arising in 
connection with the enforcement by the holders hereof of 
any of the holders' rights under this Term Note or the 
Revolving Credit Agreement.

In case a Default or Event of Default, as defined in 
the Revolving Credit Agreement, shall occur and be 
continuing, then, at the option of the holder hereof the 
whole of the unpaid principal sum, together with accrued 
interest thereon and all other amounts due, shall 
immediately become due and payable. Failure to exercise 
this option shall not constitute a waiver of the right to 
exercise the same in the event of any subsequent default.

						DRAVO LIME COMPANY

By: RICHARD E. REDLINGER
	_________________
_______________
	Name : 
_____________________
_____
Title   : VICE PRESIDENT, TREASURER
ATTEST: ELAINE E. TOKOSH 
Its: ASST. CORPORATE SECRETARY
 ________________________

DRAVO BASIC MATERIALS 
COMPANY,  INC.

By: RICHARD E. REDLINGER
	_________________
_______________
	Name : 
_____________________
_____
Title   : VICE PRESIDENT, TREASURER
_____________________
_____
ATTEST: ELAINE E. TOKOSH
___________________________
Its: ASST. CORPORATE SECRETARY
________________________




TERM NOTE

	$5,763,000.00
	July 31, 1997


FOR VALUE RECEIVED, DRAVO LIME COMPANY, a Delaware 
corporation, and DRAVO BASIC MATERIALS COMPANY, INC., an 
Alabama corporation (herein called the "Borrowers"), 
jointly and severally, promise to pay to the order of 
BANK OF AMERICA NATIONAL TRUST AND SAVINGS ASSOCIATION 
(herein called "Lender") at the offices of Regions Bank 
at 106 St. Francis Street, Post Office Box 2527, Mobile, 
Alabama 36622 (or such other place or as the holder 
hereof shall designate from time to time by written 
notice to the Borrowers) the principal sum of FIVE 
MILLION SEVEN HUNDRED SIXTY-THREE THOUSAND AND NO/100THS 
DOLLARS ($5,763,000.00), together with interest on the 
principal balance from time to time unpaid at the 
floating rate hereinafter set forth, payable as follows:

AS TO PRINCIPAL: The unpaid principal balance of 
$5,763,000.00 shall be payable in 20 quarterly 
installments of $288,150.00 each. The first 
installment of principal shall be due on October 
31, 1997, and a like and similar installment shall 
be due on the last day of January, April, July and 
October of each year thereafter for the next 19 
quarters until the principal indebtedness is paid 
in full.

AS TO INTEREST: Interest on the principal balance 
due from time to time outstanding, at the per annum 
rate hereinafter stated, shall be computed and paid 
quarterly.  Interest shall be paid quarterly on the 
due date of the principal installments, commencing 
October 31, 1997, until the principal balance and 
all accrued interest is paid in full. The per annum 
interest rate applicable to this Term Note shall be 
the rate specified in the Revolving Credit 
Agreement referred to below for a Eurodollar Rate 
Loan, that is the Eurodollar Rate, plus the 
Interest Rate Margin of two percent (2.00%) per 
annum. The interest rate applicable for each period 
shall be the Eurodollar Rate determined as set 
forth in the Revolving Credit Agreement for such 
period, plus the Interest Rate Margin of two 
percent (2.00%) per annum, and such rate shall be 
adjusted according to the interest period selected 
pursuant to the terms of the Revolving Credit 
Agreement.

In addition to the foregoing principal and interest, 
Borrowers, jointly and severally, promise to pay to 
Lender certain fees and other amounts due the Lender as 
set forth in the Revolving Credit Agreement referred to 
below.

Borrowers expressly waive any presentment, demand, 
protest or notice in connection with this Term Note, now 
or hereafter, required by applicable law, and further 
waive as to this debt all right of exemption under the 
Constitution and laws of the State of New York, or any 
other state or commonwealth.

This Term Note is referred to in and issued subject 
to that certain Revolving Credit Agreement, dated as of 
January 21, 1992, as amended by the First Amendment to 
Amended and Restated Revolving Credit Agreement, dated as 
of March 7, 1994, and the Amendment Agreement, dated as 
of August 1, 1994, and the Amendment Agreement dated as 
ofJanuary3,

		Term Note
		Page 2

1995, the Amendment Agreement, dated as of December 31, 
1995, the Amendment Agreement dated as of June 28, 1996, 
and the Amendment Agreement dated as of July 31, 1997 (as 
so amended, and as it may be further amended, modified or 
supplemented from time to time, the "Revolving Credit 
Agreement"), among the Borrowers, certain lenders a party 
thereto and Regions Bank, as Agent, and Bank of America 
National Trust and Savings Association, as Documentation 
Agent, to which reference is made for a statement of the 
terms and conditions under which the principal hereof, 
accrued interest thereon and other amounts due thereunder 
is secured, may become or may be declared to be forthwith 
due and payable and is subject to prepayment. Capitalized 
terms used but not defined herein shall have the meanings 
assigned to such terms in the Revolving Credit Agreement.

This Term Note shall be binding upon the Borrowers 
and their respective successors and assigns and shall 
inure to the benefit of Lender and its respective 
successors and assigns.

Borrowers agree to pay, and save the holders hereof 
harmless against, any costs or liability for expenses 
(including reasonable attorneys' fees) arising in 
connection with the enforcement by the holders hereof of 
any of the holders' rights under this Term Note or the 
Revolving Credit Agreement.

In case a Default or Event of Default, as defined in 
the Revolving Credit Agreement, shall occur and be 
continuing, then, at the option of the holder hereof, the 
whole of the unpaid principal sum, together with accrued 
interest thereon and all other amounts due, shall 
immediately become due and payable. Failure to exercise 
this option shall not constitute a waiver of the right to 
exercise the same in the even of any subsequent default.

						DRAVO LIME COMPANY

By: RICHARD E. REDLINGER
	_____________________
___________
	Name : 
_____________________
_____
Title   : VICE 
PRESIDENT, TREASURER
ATTEST: ELAINE E. TOKOSH
Its: ASST. CORPORATE SECRETARY
________________________

DRAVO BASIC MATERIALS 
COMPANY,  INC.

By: RICHARD E. REDLINGER
	_____________________
___________
	Name : 
_____________________
_____
Title   : VICE 
PRESIDENT, TREASURER 
_____________________
_____
ATTEST: ELAINE E. TOKOSH

___________________________
Its: ASST. CORPORATE SECRETARY
________________________



		






Dravo Letterhead


3600 One Oliver Plaza								 	  	
Pittsburgh, PA 15222							 	     
412 566 3076

September 15, 1997

Mr. Carl A. Gilbert
C/O Dravo Corporation
3600 One Oliver Plaza
Pittsburgh, PA 15222-2682

Dear Carl:

To help ensure your continued dedication as an employee of Dravo 
Corporation (the "Company"), the Company desires to provide for, among other 
things, the payment of two years' compensation and benefits if your employment 
is terminated by the Company without cause. In exchange for this assurance, you 
are willing to agree to not compete with the Company for two years after the 
termination of your employment and to surrender your existing Change in 
Control Agreement. The following sets forth the details of this agreement.

1.	Salary and Benefit Continuation. The Company agrees that if your 
employment with the Company is terminated by the Company without cause, the 
Company will continue to pay your salary and provide for your benefits for two 
years following the date of termination as if you were still an employee of the 
Company (including for purposes of eligibility, coverage, vesting and benefit 
provisions under the Company's benefit plans) during that period. You are not 
required to mitigate this payment by seeking other employment and these 
amounts are payable to your estate if you die during the two year period.

2.    Stock Options. The Company agrees that if your employment with 
the Company is terminated by the Company without cause, you will continue to 
hold all stock options and restricted stock held by you on the date of your 
termination as if you were an employee of the Company for two years thereafter, 
and at the end of that two year period, you will be deemed to have retired from 
the Company for purposes of the plans pursuant to which the stock options and 
restricted stock were issued.

3. SERP and EBP. The benefits credited to you under the 
Company's Supplemental Executive Retirement Plan (SERP) and the Executive 
Benefit Plan (EBP) (including any additional age and service credit by reason
ofthe benefit continuation under paragraph 1 of this letter) shall be fully 
vested and nonforfeitable through the date of any adverse amendment or
termination of those plans, provided, that you will not be entitled to any 
benefits under those plans if your employment is terminated by the Company 
for cause.  In addition, your "retirement" under the EBP is deemed to be 
approved by the Board's Compensation Committee. The Company will pay benefits 
under the SERP and the EBP in accordance with the terms of those plans, but if
your salary is continuing under paragraph 1 of this letter, the Company will 
begin to pay benefits under the SERP and EBP at the end of your two year salary
continuation period. Further, if your salary is continuing under paragraph 1 of
this letter, you may 
elect, during the  first 12 months following your termination, to receive a 
lump sum of your SERP and EBP benefits at the end of your two-year salary 
continuation period.

4.    Noncompete. You agree that for a period of two years after the 
termination of your employment with the Company for any reason, you will not 
have an ownership interest in or render services to (as an employee, consultant 
or otherwise), any company that is engaged in (a) the mining, production, 
marketing and  sale of limestone or lime, including those companies listed on 
Exhibit A and their affiliates, or (b) in the research and development, 
marketing and sale of technologies for utilizing limestone or lime. The former
restrictions will apply anywhere the Company is or is then contemplating doing 
business and the latter restrictions will apply throughout the world. You agree
to notify the Company of any employment you take during that two year period and
you agree that if you breach this paragraph, the Company can seek an injunction
to prevent you from working at that job, cease the payment of any compensation 
and benefits under paragraph 1 and sue you for damages. During this two year 
period, you also agree not to solicit for hire any employees of the Company or 
its subsidiaries.

5. Definitions. For purposes of this letter, you may be 
terminated for "cause" only if the Board (nonemployee directors only) 
unanimously determines that you have (i) deliberately and intentionally engaged 
in gross misconduct that is intentionally and demonstrably harmful to the 
Company, or (ii) you have been convicted of a felony. Further, for purposes of 
this letter, you will be deemed to have been terminated by the Company without 
cause if you terminate your employment a reasonable time after and because (i) 
the Company takes action which results in a material and continuing diminution 
in your status as an officer of the Company, (ii) the Company requires you to 
relocate your office more than 30 miles, or (iii) the Company reduces your 
overall level of compensation (other than as part of a reduction applicable to 
all salaried employees of the Company generally), or (iv) a company that 
acquires the Company by merger, acquisition of assets or otherwise does not 
expressly assume the Company's obligations under this letter agreement at or 
prior to the closing of the transaction.

6.	Disputes.  Disputes under this letter agreement (other than the 
Company's enforcement of paragraph 4 in equity) will be resolved by 
submitting the matter to binding arbitration in accordance with the 
Commercial Arbitration Rules of the American Arbitration Association in 
Pittsburgh, Pennsylvania. If you are required to bring or defend an action 
against the Company under this Agreement, the Company will pay your 
reasonable legal fees if you are successful. Before the Company is 
required to pay you any amounts under this letter agreement, the Company 
may require you to execute a reasonable release of any claims you may 
have against the Company (other than under this letter agreement).

7.	Taxes.  You will be responsible for the payment of all taxes on any 
payments you receive under  this letter  agreement, provided, that the Company 
will make you whole for taxes under Section 4999  of The Internal Revenue 
Code, or any  successor provision, if any.

8. Summary. A summary of the compensation and benefits 
that are intended to be paid or 
provided to you under this letter agreement (which replaces the Change of 
Control Agreement to which you are currently a party) and under the Company's 
other benefit plans in certain circumstances is attached as Exhibit B.

The Company intends to be legally bound by this letter agreement. If 
you agree with the terms of this letter and intend to be legally bound by it,  
please sign  this letter where indicated below and return it to the Secretary of
the Company. The additional enclosed copy of this letter is for your files.

Thank you for your continued service to Dravo.

Very truly yours,

DRAVO 
CORPORATION


							By: s/s JAMES J. PUHALA
	
	James J. Puhala
Vice President, 
General 
Counsel and 
Secretary
September 15, 
1997

Accepted and Agreed:

s/s CARL A. GILBERT
Carl A. Gilbert

Date: SEPTEMBER 15, 1997




	                                                             EXHIBIT A


AP Green Industries, Inc.
Ash Grove Cement Co.
Austin White Lime Co.
Bellefonte Lime Company
Blue Circle, Inc.
Calco, Inc.
Carmeuse (Marblehead Lime)
Cheney Lime & Cement Co.
Con Lime Inc.
Continental Lime/Graybec Calc Inc.
Cutler-Magner Co.
Florida Lime Corp.
GenLime Group, LP
Global Stone Corp
Greer Lime Co.
Havelock Lime Co.
Huron Lime Company
Lee Lime Corp.
Linwood Mining & Minerals Corp.
Lhoist/Chemical Lime Co.
LTV Steel
Martin Marietta Materials, Inc.
Mercer Lime & Stone Company
Miller Minerals, Inc.
Minerals Technology, Inc.
Mississippi Lime Co.
National Lime & Stone Company
National Refractories & Minerals Corp.
Pete Lien & Sons.
Redland
Redland Ohio Co.
Redland Stone Products Co.
Resco Products, Inc
Rockwell Lime Co.
Specialty Minerals, Inc.
United States Lime & Minerals Co.
USG Industries, Inc.
Vulcan Materials Co.
Western Lime Corp.
W.S. Frey, Inc.



Carl A. Gilbert					                   EXHIBIT B
September 15, 1997				Separation Agreement Summary
Page 5						      Salary and Benefits Continuation

<TABLE>


                                           Termination  Termination by   Termination 
                  Termination by   Termination   by Employee    Employee       Because       Termination
                 Company without    by Company    w/o Good   Deemed to be by      of           Due to         
                     Cause         for Cause      Reason   Company w/o Cause  Disability       Death
                                                              (paragraph 5)
<S>               <S>                 <S>           <S>         <S>            <S>

Salary            2 years +           None          None        2 years +      per EBP        per EBP
                  standard                                       standard 
                 severance                                       severance

Bonus        Prorate in year of      None           None*  Prorate in year of Prorate in     Prorate in year 
                termination                                   termination     year of             of death
                                                                         disability

Health            2 yrs       per company plan  per company plan  2 yrs   per company plan   per company plan
Benefits       + company plan                                + company plan

Life            2 years      per company plan   per company plan  2 years  per company plan  per company plan
Insurance      + company plan                                + company plan

Perquisites      2 years           None             None         2 years        None              None

401(k) Plan      2 years           None             None         2 years        None              None
(Co. Match)


Qualified
 Pension Plan
 - Service
 Continuation       2 years      None               None         2 years        None              None

 SERP
- - Vesting           Vest       Forfeit              Vest           Vest         Vest              Vest
 - Service Cont.      2 years    N/A                None         2 years        None              None
 -  Lump Sum
     Option           Yes        N/A                 No            Yes           No                 No

 EBP
- - Vesting            Vest      Forfeit              Vest           Vest          Vest             Vest
- - Service Cont.      2 years     N/A                None         2 years         None             None
- - Lump Sum
   Option             Yes        N/A                 No            Yes            No               No
     
Stock Options     
 - Vested           Retain        Retain           Retain         Retain        Retain           Retain
 - Non-Vested Vest (over 2 years) Forfeit        Forfeit  Vest (over 2 years)    Vest             Vest
 - Exercise Term     5 years     90 days         90 days*         5 years      5 years           5 years
</TABLE>

*  If the employee is eligible to retire under the Company's pension plan as of
the date of his termination then his termination will be considered a retirement
for purposes of the annual incentive plan and stock option plan.



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