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5. REVISED BID SCHEDULE:

A revised BID SCHEDULE has been included in this Addendum for use by
bidders (See attached PDF).

6. REVISED SHEET 2 of 37 - QUANTITY SUMMARY:

A revised Sheet 2 of 37 — Quantity Summary has been included in this Addendum
for use by bidders (See attached PDF).

- END -

2019 CIPP Lining Project Addendum #1
Nashua, NH Page 3

215 ALLOWANCE FOR ADDITIONAL POINT REPAIRS

A. ALLOWANCE FOR ADDITIONAL POINT REPAIRS
Measurement & Payment
Item 12 is an ALLOWANCE value which has been established
in the Bid Schedule as a means to include funds in the event
that the Contractor is directed to perform additional point
repairs in excess of the quantities listed in the Bid Schedule.

Measurement and payment for additional point repairs shall
be based on the unit prices for the appropriate point repair
and roadway restoration items in the Bid Schedule.

IFB1087-021219
ADDENDUM #1

2019 CIPP Lining Project

Addendum #1 is being issued to respond to questions or suggestions received from bidders:

1. In the design criteria for CIPP for the Nashua job the soil modulus design criteria calls
for 500 psi. Typically the soil modulus is 1000 psi. In using 500 psi for design, the
resulting liner thicknesses will be greater than they may need to be, and will cost the
City more money. Would a consideration be made to increase the soil modulus design
criteria to 1000 psi?

THE CITY OF NASHUA the Gate Cy’

Financial Services
Purchasing Department

February 1, 2019

IFB1087-021219
2019 CIPP LINING PROJECT
ADDENDUM #1

Information included in this document becomes a part of the original IFB.

If you are submitting a paper bid, please sign below to indicate receipt of this additional information and include this
page with your bid submittal. If you are submitting a bid via Bid Express please be sure to acknowledge the addendum
on the website before submitting your bid.

DIVISION 1

INVITATION TO BID

TABLE OF CONTENTS