Agenda

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Construction Sequencing and Methods

The contractor shall follow standard water main installation procedures and methods.
The contractor shall not shut down the plant water system at any time. The plant water is
used for process control, seal water and cooling of a gas generator. Only the City may
shut down the plant water provided adequate means are in place for continuing the
processes that need plant water.

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must be completed again. Any movement, repositioning, loosening and/or retightening
must be retested before the pipe is tapped.

Only a qualified contractor (or subcontractor) with previous experience in the installation
of an insertion valve will be allowed to perform this work. A resume of the contractor to
perform this installation must be submitted and sent to the City for approval prior to start
of work.

All valve should open left and close night.

Valve Boxes

EXHIBIT D
CITY OF NASHUA

Technical Specifications for Water Valve and Yard Hydrant Installation

General: These specifications are not necessarily inclusive of all the work being done. The
contractor shall submit shop drawings of all yard hydrants and valves, water main valves, piping
and all fittings to be used prior to starting any work.

1. Ductile Iron Pipe for Service Connection to Existing Pipe

“WATER” marked lid. Contractor is responsible to supply all miscellaneous piping, fittings and
other materials not mentioned above.

One yard hydrant and valve is missing (number 16 on the design plan). The contract will need to
dig at the approximate location marked in the field to locate the old hydrant stem and valve box.
This work is incidental to contract.

Scope of Work — Valve and Yard Hydrant Installation

EXHIBIT C

Phe City of Nashua will consider all mely-secerved questions and requests tor change and. if reasonable and appropriate.
will issue an addendum to clarify or modity this 1B. Auswers to vendor submitted questions and other addenda will be
posted under decument IFB1094-050817 the City ef Nashua website: www pashuahocoy, under. Services: Bid
Opportunities; Current Bids and to Bid Express (Refer to Document IF BO779-041217) no iater than Friday, April 28,
2017 af 3:00 pi.

A MANDATORY pre-bid conterence to discuss the project is scheduled to begin promptly on Monday Apri! 24, 2017
at 9:00) AM > at the Wastewater Treatment Facility, 2 Sawmill Read, Nashua NH 63060 ia the
Administration/Control Building Conference Roon:, immediately followed by a walkthrough of the proposed project
You or your represuntative(s) ure required to attend this mecting if you Intend to submit a bid. The meeting is an
opportunity for the City fo provide an overview of the project and Us objectives, and for participants to request additional

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April 19, 2017

INVETATION FO BID
Nashua WWTP - Water Valve and Vard Uydrani installations

LP B1094-GS50817

GUESTIONS RECEIVED

I.

Will the Plant Electrician repair an electric or communications line accidently severed
during construction that is not marked in the field?

Answer: Yes, however the contractor must excavate in a slow and cautious manner. The

contractor should remove a small amount of material in each in each scoop, 1-foot or less
of depth. Additional hand digging or probing should be done in advance of excavation to
verify there are no unknown utilities present.