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means for cleaning of the pipe to attempt to remove obstructions and root
cutting which shall be incidental to this item of work. If the line cannot be
videoed due to an obstruction, the Contractor shall attempt to video the line
from the opposing direction. All pre-lining videos shall be submitted to the
Engineer, shall be accompanied by a written report and shall clearly document the
condition of the main and all service connections.

C. POST-LINING VIDEO:
Measurement:

Post-lining video for sewer pipe will be measured, complete-in-place, by the
LINEAR FOOT of the actual pipe length videoed.

Payment:

The accepted quantity of sewer pipe videoed shall be paid for at the contract unit
price under the appropriate subdivisions of ITEM 1A and shall be full compensation
for the post-lining sewer pipe video to document the condition of the pipe, verify that
all service locations have been cored and in service, performing work related to
developing a report of the video after lining, and all labor, tools and any other
equipment necessary to complete the work. All post-lining videos shall be submitted
to the Engineer, shall be accompanied by a written report and shall clearly show the
condition of the main and all service connections.

Note:
1. Ten (10) percent may be withheld from payment under all 1A Items until the
CIPP has been satisfactorily videoed to verify it has been installed correctly.

2.02 SEWER POINT REPAIRS AND SERVICE CONNECTIONS COMPLETE IN
PLACE

A. POINT REPAIR OF EXISTING SEWERS:
Measurement:
The quantity to be measured under the various subdivisions of ITEM 1B will
be the actual number of point repairs measured by the EACH, complete-in-
place, as specified in these Specifications and as directed by the Engineer. The
depth for pay items shall be measured from the existing grade to the sewer pipe
invert.

Payment:
The accepted quantity of point repair items shall be paid for at the contract unit

price under the appropriate subdivisions of ITEM 1B and shall constitute full
compensation for cutting, removal and disposal of the existing damaged sewer
pipe, and installing a new PVC sewer main with specified couplings,
furnishing all materials, labor, tools, and equipment necessary to complete the
work, including but not limited to handling of existing wastewater flows, by-
pass pumping, excavation, backfill, removal and disposal of old pavement and
other unsuitable materials at the City landfill, pipe bedding and sand blanket,

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complete in place as indicated on the drawings and/or as specified including all
work incidental thereto and not specifically included for payment under other
items, all as specified in these Specifications and as directed by the Engineer.

Note:

1. The length of the repair shall be assumed to be 10 linear feet or less. If in the
opinion of the Engineer the repair requires more than 10 linear feet of new
pipe repair, a change order will be negotiated with the Contractor.

2. Work shall conform to City of Nashua Standard Specifications Sewer &
Drains. Sewers within 18" of a water main shall be constructed of Class 52
Ductile Iron Pipe.

B. REMOVE AND REPLACE EXISTING SEWER SERVICE AT POINT
REPAIR:

Measurement:

The quantity of existing sewer service to be removed and replaced at point
repairs under ITEM 1C will be measured, complete-in-place, by the LINEAR
FOOT of actual pipe length installed.

Payment:

The accepted quantity of 6” PVC sewer service installed shall be paid for at the
contract unit price for ITEM IC and shall constitute full compensation for the
removal and disposal of the existing sewer service pipe, and for installing a
new 6” PVC-SDR 35 sewer service at all depths including the wye at the sewer
main and all necessary fittings and couplings complete in place as indicated on
the drawings and/or as specified, furnishing all materials, labor, tools, and
equipment necessary to complete the work, including but not limited to
handling of existing wastewater flows, by-pass pumping, excavation, backfill,
removal and disposal of old pavement and other unsuitable materials at the
City landfill, bedding and sand blanket, and all work incidental thereto and not
specifically included for payment under other items as specified in these
Specifications and as directed by the Engineer.

Note:
1. Work shall conform to City of Nashua Standard Specifications Sewer &

Drains. Sewers within 18" of a water main shall be constructed of Class 52
Ductile Iron Pipe.

2.03 VIDEO OF SEWER LINES NOT SCHEDULED FOR LINING
(PIPE SIZES 8” TO 24”) COMPLETE IN PLACE
Measurement:
The quantity of video of existing sewer pipe from 8” to 24” will be measured,
complete-in-place, by the LINEAR FOOT of the actual pipe length videoed.

Payment:
The accepted quantity of sewer pipe videoed shall be paid for at the contract unit
price under ITEM 1D and shall be full compensation for initial cleaning of the

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sewer line, the sewer pipe video to document the condition of the pipe, identify all
service locations, work related to developing a report of the video, and all labor, tools
and any other equipment necessary to complete the work. The contractor shall
provide means for cleaning of the pipe to attempt to remove obstructions which
shall be incidental to this item of work. If the line cannot be videoed due to an
obstruction, the Contractor shall attempt to video the line from the opposing
direction. All videos shall be submitted to the Engineer, shall be accompanied by a
written report and shall clearly document the condition of the main and all service
connections.

2.04 CUTTING AND REMOVAL OF PROTRUDING LATERAL PIPE
UP TO 12” DIAMETER COMPLETE IN PLACE
Measurement:
The quantity to be measured under ITEM 1E will be the actual number of
protruding lateral pipes measured by the EACH that are actually cut, as
specified in these Specifications and as directed by the Engineer.

Payment:
The accepted quantity of protruding lateral pipes cut up to 12” diameter shall be paid

for at the contract unit price under ITEM 1E, and shall be full compensation for all
labor, tools and any other equipment necessary to complete the work. The
contractor shall provide means for cleaning of the pipe after the protruding
pipe has been cut which shall be incidental to this item of work. The pre-lining
video shall include a view of the lateral pipe after it has been cut.

2.05 MANHOLE CEMENT AND EPOXY LINING COMPLETE IN PLACE
Measurement:
The quantity of manhole lining (both 4’ and 5’ diameter manholes) will be
measured complete-in-place by the VERTICAL FOOT under ITEM 1F and
ITEM 1G as measured from the invert shelf to the underside of the casting,
complete-in-place, as specified in these Specifications and as directed by the
Engineer.

Payment:
The accepted quantity of sewer manhole lining shall be paid for at the contract

unit price under ITEM 1F and ITEM 1G, and shall be full compensation for
preparation of manhole walls for lining, by-pass pumping, furnishing and
installing the lining system, and all labor, tools and any other equipment
necessary to complete the work as specified in these Specifications and as
directed by the Engineer.

2.06 MANHOLE INVERT RECONSTRUCTION COMPLETE IN PLACE
Measurement:
The quantity to be measured under ITEM 1H will be the actual number of
manhole inverts reconstructed (4’ and 5’ Diameter manholes) measured by the
EACH, complete-in-place, as specified in these Specifications and as directed
by the Engineer.

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Payment:

The accepted quantity of manhole invert reconstruction shall be paid for at the
contract unit price under ITEM 1H, and shall be full compensation for the
demolition of the existing invert and the reconstruction of the new brick invert,
by-pass pumping, decanting and disposal of debris at the City landfill and all
labor, tools and any other equipment necessary to complete the work as
specified in these Specifications and as directed by the Engineer.

2.07 SEWER MANHOLE INTERNAL DROP ASSEMBLY COMPLETE IN PLACE
Measurement:
The quantity to be measured under ITEM 1J will be the actual number of sewer
manhole internal drop assemblies constructed (up to 8 vertical feet) by the
EACH, complete-in-place, as specified in these Specifications and as directed
by the Engineer.

Payment:

The accepted quantity of manhole internal drop assemblies constructed shall be
paid for at the contract unit price under ITEM 1J, and shall be full
compensation for the demolition of the existing drop assembly and the
reconstruction of the new internal drop assembly, by-pass pumping, and all
labor, tools and any other equipment necessary to complete the work as
specified in these Specifications and as directed by the Engineer.

2.08 REPLACE OR CONSTRUCT SEWER MANHOLE COMPLETE IN PLACE
Measurement:
The quantity of sewer manholes replaced or constructed under ITEM 1K and
ITEM 1KK will be measured complete-in-place by the VERTICAL FOOT as
measured from the lowest invert to the top of the manhole casting, complete-
in-place, as specified in these Specifications and as directed by the Engineer.

Payment:

The accepted quantity of sewer manholes replaced or reconstructed shall be
paid for at the contract unit price under ITEM 1K and ITEM 1KK, and shall
constitute full compensation for removal and disposal of the existing sewer
manhole, constructing new pre-cast sewer manhole, furnishing and
installing 30” diameter frame and cover, reconnecting sewer pipes with
necessary couplings and fittings, complete in place as indicated on the
drawings and/or as specified, including furnishing all materials, labor, tools,
and equipment necessary to complete the work, including but not limited to
handling of existing wastewater flows, by-pass pumping, excavation,
backfill, manhole bedding, removal of old pavement and other unsuitable
materials at the City landfill, manhole vacuum testing, and all work
incidental thereto and not specifically included for payment under other
items.

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&\ THE CITY OF NASHUA Seer

Economic Development

To: L. Wilshire, President
From: T. Cummings, Director
Ce: Members of the Board of Aldermen

Date: June 9, 2022

Re: Communication — Approval & Place on File A Contract for Professional Engineering
Services related to the Nashua Downtown Riverfront Implementation Project with H.L. Turner

Group

The Tax Increment Financing Development Program and Financing Plan adopted by the Board
through the passage of O-18 -006, states that the City Economic Development Director shall be
the Administrator of the District and shall have the power to, inter alia, “negotiate and sign,
upon the approval of the Board of Aldermen, any contracts relative to the design, engineering,
construction, or operations of any phase or component of the activities proposed under this

Plan.”

A copy of the Professional Engineering Services Contract related to the Nashua Downtown
Riverfront Implementation Project with H.L. Turner Group, Inc., along with Exhibits outlining
the scope and basis for fees as previously approved is attached. As shown the contract is the
City’s standard Professional Engineer services contract.

It was decided to break the work up into a phased approach where prior authorization for specific
tasks will be required. The first phase will be putting specific detail on the cantilevered
boardwalks and a Purchase Order will be issued for $350,000.00 to H.L. Turner for their design
services. It is anticipated that as work is completed additional authorization would occur. The
total contract is for $404,340.00 and the source of funds is the TIF account created to implement

the downtown riverfront project.

2.09 REPLACE EXISTING SEWER MANHOLE FRAME AND COVER COMPLETE
IN PLACE
Measurement:
The quantity to be measured under ITEM IL shall be by the actual number of
manhole frames and covers replaced measured by the EACH, complete-in-
place, as specified in these Specifications and as directed by the Engineer.

Payment:

The accepted quantity of existing sewer manhole frames and covers replaced
shall be paid for at the contract unit price under ITEM 1L, and shall be full
compensation for excavation, backfill, removal and disposal of the existing
frame and cover, old pavement and other unsuitable materials at the City
landfill; remodeling of the existing manhole up to 18 inches below the frame,
furnishing and installing new City standard frame and cover, adjustments of
casting to finish grade with brick courses, and all labor, tools and equipment
necessary to complete the work as specified in these Specifications and as
directed by the Engineer.

Note:
1. The restoration of the pavement and base course gravels around the new

frame and cover shall be paid for separately under the appropriate
ROADWAY RESTORATION contract items.

2.10 ROADWAY RESTORATION COMPLETE IN PLACE

A. CRUSHED GRAVEL:
Measurement:
The quantity to be measured under ITEM 6A shall be measured per CUBIC
YARD, in place. Quantities shall be measured for payment as directed and
approved by the Engineer. Over-excavated trenches will not be allowed.

Payment:
The approved quantity of crushed gravel shall be paid for at the contract unit

price for ITEM 6A and shall be full compensation for the furnishing, placing,
compacting and fine grading crushed gravel including all labor, tools and any
other equipment necessary to complete the work as specified in these
Specifications and as directed by the Engineer.

B. HOT BITUMINOUS PAVEMENT
Measurement:
The quantity to be measured under ITEM 6B (Hot Bituminous Pavement -
Temporary Pavement, Permanent Pavement - Binder and Wearing Course)
shall be measured by the TON based on weight slips provided on the job site
and approved by the Engineer.

Payment:

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The approved quantity of hot bituminous pavement shall be paid for at the
contract unit price for ITEM 6B and shall be full compensation for the
furnishing, placing, compacting hot mix asphalt pavement by methods
approved by the Engineer, including all labor, tools and any other equipment
necessary to complete the work as specified in these Specifications and as
directed by the Engineer.

Notes:

1. Temporary and permanent pavement course thicknesses shall
be as specified on the plans, or as ordered by the Engineer.

2. Tack coats shall be applied between all pavement courses and
shall be incidental to this item of work and not measured
separately for payment..

C. SAWED BITUMINOUS PAVEMENT
Measurement:
The quantity to be measured under ITEM 6C, Sawed Bituminous Pavement,
shall be measured by the LINEAR FOOT in accordance with the Contract
Drawings, directions from the Engineer, and as specified herein.

Payment:

The approved quantity of sawed bituminous pavement shall be paid for at the
contract unit price for ITEM 6C and shall be full compensation for saw cutting
bituminous pavement of any depth, including all labor, tools and any other
equipment necessary to complete the work as specified in these Specifications
and as directed by the Engineer.

D. UNCLASSIFIED EXCAVATION
Measurement:
The quantity to be measured under ITEM 6D shall be measured per CUBIC
YARD in place. Measurement for payment of this item shall only apply to the
unclassified excavation for the placement of temporary and permanent
pavement and associated crushed gravel in sewer point repair areas and
manhole frame and cover replacement areas. Quantities shall be measured for
payment as directed and approved by the Engineer. Over-excavated trenches
will not be allowed.

Payment:

The approved quantity of unclassified excavation shall be paid for at the
contract unit price for ITEM 6D and shall be full compensation for the
excavation and disposal of existing pavement and existing unsuitable materials
at the City landfill in order to establish the appropriate subgrade for the
temporary and permanent pavement and associated crushed gravel base
courses, including all labor, tools and equipment necessary to complete the
work as specified in these Specifications and as directed by the Engineer.

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E. 2-INCH BITUMINOUS SIDEWALK REPAIR
Measurement:
The quantity to be measured under ITEM 6E, 2-Inch Bituminous Sidewalk
Repair, shall be measured by the SQUARE YARD in accordance with the
Contract Drawings, directions from the Engineer, and as specified herein.

Payment:
The approved quantity of 2-Inch Bituminous Sidewalk Repair shall be paid for

at the contract unit price for ITEM 6E and shall be full compensation for
removal and replacement of the bituminous sidewalk including crushed gravel
base, repair of grass and landscape areas disturbed by the sidewalk
construction, and all labor, tools and any other equipment necessary to
complete the work as specified in these Specifications and as directed by the
Engineer.

F. 4-INCH REINFORCED CONCRETE SIDEWALK REPAIR
Measurement:
The quantity to be measured under ITEM 6F, 4-Inch Reinforced Concrete
Sidewalk Repair, shall be measured by the SQUARE YARD in accordance
with the Contract Drawings, directions from the Engineer, and as specified
herein.

Payment:
The approved quantity of 4-Inch Reinforced Concrete Sidewalk Repair shall be

paid for at the contract unit price for ITEM 6F and shall be full compensation
for removal and replacement of the concrete sidewalk, repair of grass and
landscape areas disturbed by the sidewalk construction, including crushed
gravel base and all labor, tools and any other equipment necessary to complete
the work as specified in these Specifications and as directed by the Engineer.

G. RESET GRANITE CURB
Measurement:
The quantity to be measured under ITEM 6G, Reset Granite Curb, shall be
measured by the LINEAR FOOT in accordance with the Contract Drawings,
directions from the Engineer, and as specified herein.

Payment:

The approved quantity of Reset Granite Curb shall be paid for at the contract
unit price for ITEM 6G and shall be full compensation for removal and
resetting of existing granite curb including crushed gravel base and all labor,
tools and any other equipment necessary to complete the work as specified in
these Specifications and as directed by the Engineer.

H. NEW VERTICAL GRANITE CURB
Measurement:
The quantity to be measured under ITEM 6H, New Vertical Granite Curb, shall
be measured by the LINEAR FOOT in accordance with the Contract

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Drawings, directions from the Engineer, and as specified herein.

Payment:

The approved quantity of New Vertical Granite Curb shall be paid for at the
contract unit price for ITEM 6H and shall be full compensation for furnishing
and installing new vertical granite curb including crushed gravel base and all
labor, tools and any other equipment necessary to complete the work as
specified in these Specifications and as directed by the Engineer.

2.11 PROJECT START-UP AND PROJECT CLOSE OUT:

A. MOBILIZATION
Measurement:
Mobilization shall be measured as a LUMP SUM as specified herein. The total
cost for this item shall not exceed 5 percent of the total of all bid items
excluding this item.

Payment:
The contract price for ITEM 8 shall constitute full compensation to the

Contractor for the general mobilization and demobilization necessary to make
the contract operational, exclusive of the cost of materials. Payments toward
the lump sum will be made at each payment requisition based on the percent of
contract completed and the balance will be paid at final payment upon
completion of all project requirements. Should the contract be terminated prior
to completion, or the contract work not completed, total payment for this item
shall be proportional to the percentage of the contract completed. No additional
payment will be made if the contract value is increased.

B. WARRANTY INSPECTION:
All warranty inspections and related work shall not be separately measured for
payment but shall be considered incidental to the project.

2.12 MAINTENANCE AND PROTECTION OF TRAFFIC:

A. UNIFORMED POLICE OFFICERS

Measurement:

Uniformed police officers will be measured and paid by the actual number of
hours authorized, as determined by the Engineer. The Contractor shall supply
qualified uniformed officers as stated in Section 618 of the NHDOT Standard
Specifications for Road and Bridge Construction, (Approved and Adopted in
2016). Uniformed officers shall only be used when there are no available
flaggers and the Engineer has previously approved it. Daily coverage needs to
be approved by the Engineer. The Contractor's schedule for utilizing uniformed
officers shall be agreed upon cooperatively with the Engineer.

Payment:

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The Contractor shall be reimbursed without markup for approved invoices
from the Nashua Police Department which shall be paid under budget
ALLOWANCE under ITEM 9A. Payment shall constitute full compensation to
the Contractor for providing uniformed Nashua police officers with or without
vehicles, including all labor, high visibility safety gear, tools and any other
equipment necessary to complete the work as specified herein. Payment shall
be made only after Contractor has provided proof of payment to Police
Department.

B. FLAGGERS
Measurement:
The quantity of Flaggers will be measured by the HOUR based on the actual
number of hours authorized, as determined by the Engineer. The Contractor
shall supply qualified flaggers as stated in Section 618 of the NHDOT
Standard Specifications for Road and Bridge Construction, (Approved and
Adopted in 2016). Daily coverage needs to be approved by the Engineer. The
Contractor's schedule for flaggers shall be agreed upon cooperatively with the
Engineer.

Payment:

The approved quantity of flaggers hours shall be paid at the contract price for
ITEM 9B. Payment shall constitute full compensation to the Contractor for
providing qualified flaggers as required to direct traffic through or around the
Work as ordered by the Engineer, including all labor, high visibility safety
gear, tools and any other equipment necessary to complete the work as
specified herein. In no case shall the gross hourly rate exceed $30/hour for
straight time work and $45/hour for overtime work. Payments to Contractor
will be made based on approved hours and resulting dollar amounts.

C. MAINTENANCE OF TRAFFIC
Measurement:
Maintenance of traffic shall be measured as a LUMP SUM as specified herein.

Payment:

The contract price for Item 9C shall constitute full compensation for providing
and maintaining safe and passable traffic accommodations for public travel,
preventing dust nuisance and fumishing, erecting and maintaining necessary
traffic signs, barricades, lights, signals, flashing beacons, delineators and other
traffic control warming devices and shall include means of guidance of traffic
through and around the work zones. Traffic warning signs and other regulating
devices shall be installed in accordance with the MUTCD and details on the
plans. Payments toward the lump sum will be made at each payment
requisition based on the percent of contract completed and the balance will be
paid at final payment upon completion of all project requirements. Should the
contract be terminated prior to completion, or the contract work not completed,

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