Agenda

City of Nashua

Purchasing Department
Administrative Services Division (603) 589-3330
229 Main Street - Nashua, NH 03060 Fax (603) 594-3233

July 28, 2021
Memo #22-155

TO: Mayor Donchess
Finance Committee

SUBJECT: Construction for Phase 2 of the Pump Station Upgrade Project in the amount not to exceed
$5,335,200 funded from accounts SRF Loan/81700 Infrastructure Improvements

Please see attached communications from David Boucher, Superintendent of the Wastewater Department, dated

ACOR D DATE (MMIDDIYYYY)
CERTIFICATE OF LIABILITY INSURANCE

05/03/2021

THIS CERTIFICATE IS ISSUED AS A MATTER OF INFORMATION ONLY AND CONFERS NO RIGHTS UPON THE CERTIFICATE HOLDER. THIS
CERTIFICATE DOES NOT AFFIRMATIVELY OR NEGATIVELY AMEND, EXTEND OR ALTER THE COVERAGE AFFORDED BY THE POLICIES
BELOW. THIS CERTIFICATE OF INSURANCE DOES NOT CONSTITUTE A CONTRACT BETWEEN THE ISSUING INSURER(S), AUTHORIZED
REPRESENTATIVE OR PRODUCER, AND THE CERTIFICATE HOLDER.

1 Flow Meter Installation 4 Meters $1,000.00. $4,000.00
2 Flow Meter Operation, Maintenance, & Rental | 88 Meter $450.00 $39,600.00
(4 Meters x 22 Months= 88 Meter Months) Months
3 Flow Data Reduction & Presentation 88 Data $200.00 $17,600.00
(4 Meters x 22 Months= 88 Data Months} Months
. Total: $61,200.00

VIL. METHOD OF PAYMENT

H

Make arrangements to provide access to and exposure for entry those manholes within the
study area which are buried, covered or otherwise not readily accessible.

Provide free and legal access to all sites of work.

Assure the prompt clearance of major blockages or obstructions in the sewer system, if any,
should such clearance be required for performance of the work.

Provide the shutdown of certain pump stations, upon prior request, should it become
necessary for the satisfactory performance of the work

FLOW METER SELECTION/ANSTALLATION

Once a site has been identified the appropriate meter with any specific sensors will be installed.
The installation will consist of installing tight fitting aluminum bands with both flow depth and
velocity sensors mounted in such a way as not to obstruct flow or snag paper or other disposed
items in the flow stream.

INITIAL & SUBSEQUENT FLOW VERIFICATION

for rainfall related inflow during wet weather periods. Continuous metering will be
conducted for the designated time period as directed by the Client.

The flow monitoring will be accomplished by one of the following methods:

1. The use of continuous monitoring devices incorporating a velocity sensor combined with
a depth sensor, or

2, Palmer Bowlus flumes, in conjunction with continuous depth recording.

iL

ASSESSMENT SERVICES

PROPOSAL FOR SEWER SYSTEM FLOW MONITORING
CITY OF: NASHUA, NEB
DATE: JULY 12, 2021

NashuaWWTF

2 Sawmill Rd.
Nashua, NH 03060
Attn: Dave Boucher

PURPOSE

The City of Nashua, NH, (herein called “Client) has requested from Flow Assessment Services,
LLC, (herein called “Subconsultant”) a proposal for specialized services in the City of Nashua.
This document represents Subconsultant’s proposal to perform the requested services and
includes the following:

30.

31.

unenforceable provisions were omitted, and the parties may renegotiate the invalid or
unenforceable provisions for sole purpose of rectifying the invalidity or unenforceability.

27.

28.

29,

22.