CONTRACT FOR PROFESSIONAL SERVICES
2021 LANDFILL GAS EXPANSION
ENGINEERING SERVICES
A CONTRACT BETWEEN
THE CITY OF NASHUA, 229 MAIN STREET, CITY HALL, NASHUA, NH 03060
AND
SANBORN, HEAD &ASSOCIATES, INC.
and its successors, transferees and assignees (together “Professional Engineer”)
NAME AND TITLE OF PROFESSIONAL ENGINEER
20 FOUNDRY STREET, CONCORD, NH 03301
ADDRESS OF PROFESSIONAL ENGINEER
To:
From:
Re:
C. Motion:
Attachments:
Discussion:
City of Nashua, Public Works Division
Board of Public Works Meeting Date: February 25, 2021
Jeff Lafleur, Superintendent
Solid Waste Department
Landfill Gas Expansion (Concrete Block Wali Corrective Action)
To approve a contract with Sanborn Head & Associates, Inc. (SHA) CQA and
engineering support services in the amount of $27,800. Funding will be through
Department 168 Solid Waste; Fund: Bond; Activity: Landfill Gas Expansion.
City of Nashua
Purchasing Department
Administrative Services Division (603) 589-3330
229 Main Street - Nashua, NH 03060 Fax (603) 594-3233
March 10, 2021
Memo #21-088
TO: Mayor Donchess
Finance Committee
SUBJECT: Landfill Gas Expansion Engineering in the amount of $27,800 funded from account
Bond: Landfill Gas Expansion
ITEM 1010.9 - ASPHALT CORES
A. SCOPE
This work shall include cutting 6” diameter cores, filling holes with hot mix asphalt, and
compacting in accordance with provisions in Item 403.11.
Cores will be taken in support of the City Quality Assurance program as directed by the
Engineer.
The Engineer may also direct the Contractor to take cores in certain roadway prior to milling to
verify pavement thickness.
B. MEASUREMENT AND PAYMENT
This item will be measured and paid per each core taken and delivered. Payment shall include
ITEM 900 — LIQUID ASPHALT ADJUSTMENT
This item is used when the “NE Average” monthly price for asphalt cement as furnished by the
NHDOT Bureau of Materials and Research differs from the base price contained in the proposal.
The monthly price posted by NHDOT is available in the following web page:
http://www.nh. gov/dot/org/projectdevelopment/construction/documents/MonthlyFuelPricesImpe
rial. pdf
ITEM 641 —- LOAM AND SEED
A. SCOPE
This work shall consist of furnishing and placing loam to raise the edge of the roadway shoulders
or to reestablish disturbed lawns during activities as shown on plans or as directed by the
Engineer.
B. MATERIALS AND CONSTRUCTION
The Contractor shall furnish all labor, materials, equipment and transportation necessary for the
required placement of loam and seed in accordance with latest approved NHDOT Standard
Specifications for Road and Bridge Construction.
ITEM 632.80 - TEMPORARY PAVEMENT MARKERS
A. SCOPE
This work shall consist of furnishing, placing, and removing temporary pavement markers
(TPMs) at locations shown on the plans or as ordered by the Engineer in accordance with the
latest approved NHDOT Standard Specifications for Road and Bridge Construction, and the
latest approved MUTCD.
B. MATERIALS AND CONSTRUCTION
X-ing = 20.8 SF
Contractor shall record the liner feet and square feet of retroreflective pavement markings
placed. Quantities shall be recorded on a per street basis. Payment is contingent upon submittal
of quantities in a per street format.
Page 39 of 43
ITEM 632 —- RETROREFLECTIVE PAVEMENT MARKINGS
A. SCOPE
This work shall consist of furnishing and placing white or yellow retro reflective paint pavement
markings and retro reflective thermoplastic pavement markings at locations shown on the plans
or as ordered by the Engineer.
B. MATERIALS AND CONSTRUCTION
C. MEASUREMENT AND PAYMENT
