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[On Letterhead of The Bank of New York]
Exhibit 4.2
January 16, 2001
Nuveen Investments
333 West Wacker Drive
Chicago, Illinois 60606
Re: Nuveen Unit Trusts--Series 115
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Dear Sirs:
The Bank of New York is acting as Evaluator for the series of Nuveen Unit
Trust set forth above (the "Trust"). We enclose a list of the Securities to be
deposited in the Trust on the date hereof. The prices indicated therein reflect
our evaluation of such Securities as of close of business on January 12, 2001,
in accordance with the valuation method set forth in the Standard Terms and
Conditions of Trust. We consent to the reference to The Bank of New York as the
party performing the evaluations of the Trust Securities in the Registration
Statement (No. 333-53414) filed with the Securities and Exchange Commission with
respect to the registration of the sale of the Trust Units and to the filing of
this consent as an exhibit thereto.
Very truly yours,
/s/ Thomas Porrazzo
Thomas Porrazzo
Vice President
