To:
From:
Re:
C. Motion:
Attachments:
Discussion:
City of Nashua, Public Works Division
Board of Public Works Meeting Date: December 29, 2016
Noelle Osborne, Plant Operations Supervisor
Wastewater Department
Installation of Siphon Covers
\, THE CITY OF NASHUA “The Gate City’
Financtal Services
ae"
Purchasing Department
NI 2 PR RE NES SENG AT APE TS SAN) 78 RE MES aS
December 29, 2016
Memo #17-087
TO: MAYOR DONCHESS
FINANCE COMMITTEE
SUBJECT: AWARD FOR PURCHASE AND INSTALATION OF SIPHON AND MANHOLE COVERS
(VALUE: $49,875)
DEPARTMENT: 169 WASTEWATER; FUND: WASTEWATER
Ms. Osborne
November 18, 2016
Page 5o0f5
We trust this proposal addresses your needs to evaluate the Wet Weather Facility. We are available to
further discuss this project and fine tune the associated tasks to meet your budgetary constraints or
expectations. We look forward to the opportunity to serve the City.
Very truly yours,
WRIGHT-PIERCE
Timothy Vadney, P.E.
Senior Project Manager
Ms. Osborne wn ,
(PER cscs
November 18, 2016
Page 4o0f5
OD ecees
S. Develop specific recommendations for wet weather flow system modifications, as well as
possible operational/controls changes required to minimize future overflow of untreated
wastewater.
B. Wet Weather Treatment System:
1.
Mis. Osborne
November 18, 2016
Page 30f5
6.
identify equipment, structure, piping, controls or operations related issues affeciing tne Wet
Weather Facility’s capacity to effectively handle and treat the identified design peak flows
reaching the facility;
Develop a capital upgrade plan to address identified issues.
SCOPE OF SERVICES
Based on the present conditions and project objectives listed above, we have developed the following
proposed scope of services:
A. Influent Hydraulic Analysis:
1.
8.
Ms. Osborne
November 18, 2016
Page 2of5
and overflowing the influent sewers. The overflow flooded the paved parking area on the north side of
the wet weather pump station, significantly eroded the adjacent banking, and flowed into the adjacent
wetlands. A large electrical transformer was undermined and taken off line.
Wright-Pierce met with the Plant Operations Staff to discuss their observations of the rain event:
@
SS.
i BF
‘
A Hey gar ieee ED, en Wp gO Weer
Vv = i ir t m tr i i: hee Ee ee WATER ~ WASTEWATER ~ STORMWATER ~ INFRASTRUCTURE
Dm a
Engineering a Better Environment
November 18, 2016
W-P Project No. T11295
Nis. Noelle Osborne
City of Nashua NWTF
2 Sawmill Road
Nasnua, NH 03060
Subject: Letter Proposal for Influent Hydraulic Analysis & Evaluation of the Wet Weather
Treatment System
Dear Ms. Osborne
award in phases to ensure that the evaluation is both fiscally responsible and
provides that the appropriate corrective actions are taken. They are ready to
begin this evaluation immediately.
To:
From:
Attachments:
Discussion:
Citv of Nashua, Public Works Division
i f
Board of Public Works Meeting Date: December 29, 2016
Noelle Osborne, Operations Supervisor
Wastewater Department
Wet Weather Facility Evaluation
THE CITY OF NASHUA "The Gate City"
Purchasing Department
December 29, 2016
Memo #17-086
TO: MAYOR DONCHESS
FINANCE COMMITTEE
SUBJECT: CONTRACT AWARD FOR ENGINEERING SERVICES FOR THE EVALUATION OF
THE WET WEATHER FACILITY (VALUE: NOT TO EXCEED $35,100)
DEPARTMENT: 169 WASTEWATER; FUND: WASTEWATER
Please see the attached communication from Noelle Osborne, Wastewater Department Operations
Supervisor, dated December 29, 2016 for the information related to this purchase.
