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expense, provide suitable and safe means for completely covering all open
excavations and for accommodating travel when work is not in progress.

B. Bridges provided for access to private property during construction shall be removed
when no longer required.

C. If/where applicable, the length of open trench will be controlled by the particular
surrounding conditions but shall always be confined to the limits prescribed by the
Engineer.

D._ All street excavations shall be completely closed at the end of each work day.
Backfilling or use of steel plates of adequate strength to carry traffic shall be used.

E. If/where applicable, Trenched areas shall be paved with temporary bituminous
pavement, as detailed on the plans or as directed by the Engineer, as soon as
practicable after installation of individual pipeline segment but at least on a weekly
basis. No trench shall be left without pavement for longer than seven (7) days. The
Contractor is responsible for maintaining the trench, at no additional cost to the
Owner for the Contract duration.

4. Maintenance of Traffic

A. Unless permission to close the street 1s received in writing from the proper authority,
all excavated materials and equipment shall be placed so that vehicular and pedestrian
traffic may be maintained at all times. Traffic control plans must be submitted to the
City of Nashua’s Traffic Department (with a copy to the Engineer) for review and
approval.

B. Should the Engineer deem it necessary, uniformed officers will be assigned to direct
traffic. Daily coverage must be approved by the Engineer. The Contractor shall
make all arrangements in obtaining uniformed officers required.

C. The Contractor shall at his/her own expense, as directed by the Police Traffic
Control/Safety Officer or the Engineer, provide and erect acceptable barricades,
barrier fences, traffic signs, and all other traffic devices not specifically covered in a
bid item, to protect the work from traffic, pedestrians, and animals. He/she shall
provide sufficient temporary lighting such as lanterns/flashers (electric battery
operated) or other approved illuminated traffic signs and devices to afford adequate
protection to the traveling public, at no additional cost to the Owner.

D. The Contractor shall furnish all construction signs that are deemed necessary by and
in accordance with Part VI of the Manual on Uniform Traffic Control Devices as
published by the U.S. Department of Transportation, latest edition. In addition, the
Contractor may be required to furnish up to 128 square feet of additional special
construction warning signs.

E. The intent of policing is to ensure public safety by direction of traffic. Police officers
are not to serve as watchmen to protect the Contractor's equipment and materials.

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F. Nothing contained herein shall be construed as relieving the Contractor of any of his
responsibilities for protection of persons and property under the terms of the Contract.

G. Should it be determined by the Engineer that uniformed officers are not required;
flaggers will be provided to maintain traffic flow.

5. Care and Protection of Property

The Contractor shall be responsible for the preservation of all public and private property,
and shall use every precaution necessary to prevent damage thereto. If any direct or
indirect damage is done to public or private property by or on account of any act, omission,
neglect, or misconduct in the execution of the work on the part of the Contractor, such
property shall be promptly restored by the Contractor, at his/her expense, to a condition
similar or equal to that existing before the damage was done, to the satisfaction of the
Engineer.

6. Protection and Relocation of Existing Structures and Utilities

A. All existing buildings, utilities, pipes, poles, wires fences, curbing, property line
markers and other structures must be preserved in place without being temporarily or
permanently relocated, shall be carefully supported and protected from damage by
the contractor. Should such property be damaged, it shall be restored by the
Contractor, at no additional cost to the Owner.

B. The Contractor shall determine the location of all underground structures and utilities
(including existing water services, gas lines, drain lines, electrical lines, and sewers).
Services to buildings shall be maintained, and all costs or charges resulting from
damage thereto shall be paid by Contractor.

C. On paved surfaces the Contractor shall not use or operate tractors, bulldozers, or other
power-operated equipment with treads or wheels which are shaped so as to cut or
otherwise damage such surfaces.

D. All property damaged by the Contractor's operations shall be restored to the satisfaction
of the Engineer to a condition at least equal to that in which it was found immediately
before work was begun. Suitable materials and methods shall be used for such
restoration.

E. Restoration of existing property and structures shall be carried out as promptly as
practicable and shall not be left until the end of the construction period.

7. Maintenance of Flow

A. The Contractor shall at his own cost, provide for the flow of sewers and drains
interrupted during the progress of the work, and shall immediately remove and
dispose of all offensive matter. The entire procedure of maintaining existing flow shall
be fully discussed with the Engineer well in advance of the interruption of any flow.

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B. All existing drainage facilities including, but not limited to: brooks, streams, canals,
channels, ditches, culverts, catch basins and drainage piping shall be adequately
safeguarded so as not to impede drainage or to cause siltation of downstream areas in
any manner whatsoever. If the Contractor damages or impairs any of the aforesaid
drainage facilities, he shall repair the same within the same day.

C. At the conclusion of the work, the Contractor shall remove all silt in drainage
structures caused by his operations.

8. Rejected Materials and Defective Work

A. Materials furnished by the Contractor and condemned by the Engineer as unsuitable or
not in conformity with the specifications shall forthwith be removed from the work by
the Contractor, and shall not be made use of elsewhere in the work.

B. Any errors, defects or omissions in the execution of the work or in the materials
furnished by the Contractor, even though they may have been passed or overlooked or
have appeared after the completion of the work, discovered at any time before the
final payment is made hereunder, shall be forthwith rectified and made good by and at
the expense of the Contractor and in a manner satisfactory to the Engineer.

C. The Contractor shall reimburse the Owner for any expense, losses or damages incurred
in consequence of any defect, error, omission or act of the Contractor or his

employees, as determined by the Engineer, occurring previous to the final payment.

9. Sanitary Regulations

Sanitary conveniences for the use of all persons employed on the work, properly screened
from public observation, shall be provided in sufficient numbers in such manner and at such
locations as may be approved. The contents shall be removed and disposed of in a
satisfactory manner, as the occasion requires. The Contractor shall rigorously prohibit the
committing of nuisances within, on or about the work. Any employees found violating
these provisions shall be discharged and not again employed on the work without the
written consent of the Engineer. The sanitary conveniences specified above shall be the
obligation and responsibility of the Contractor. They shall not be located on private
property unless written authorization from the property owner has been provided to the
Engineer.

10. Site Investigation

The Contractor shall be responsible for verifying and determining the location, size,
direction of flow (if applicable) and elevation of all existing utilities, shown or not shown
on the plans. Every effort has been made to accurately depict the existing sewer system,
including sewer services. However, due to the age of the system, there are no records for
some sewer services as indicated on the plan set. These situations, including other
unknown pipes encountered during excavation, may require additional investigations. The
City may avail staff and equipment to aid in the investigation. Considerations for delay
costs shall only be given in extreme circumstances.

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11. Existing Utility Locations - Contractor's Responsibility

A. The location of existing underground services and utilities shown on the drawings is based
on available records. It is not warranted that all existing utilities and services are shown,
nor that shown locations are correct. The Contractor shall be responsible for having the
utility companies locate their respective utilities on the ground prior to excavating.

B. _ To satisfy the requirements of New Hampshire law, RSA 374, the Contractor shall, at
least 72 hours, exclusive of Saturdays Sundays and holidays, prior to excavation in the
proximity of telephone, gas, cable television and electric utilities, notify the utilities
concerned by calling "DIG SAFE" at telephone number: 1-888-344-7233.

C. The Contractor shall coordinate all work involving utilities and shall satisfy himself as to
the existing conditions of the areas in which he is to perform his work. He shall conduct
and arrange his work so as not to impede or interfere with the work of other contractors
working in the same or adjacent areas.

12. Cutting, Fitting and Patching

A. The Contractor shall do all cutting, fitting, or patching of his work that may be required to
make its several parts come together properly and fit it to receive or be received by work
of other Contractors, as shown upon or reasonably implied by the drawings and the
specifications for the completed structure, including all existing work.

B. The Contractor shall not endanger any work by cutting, digging, or otherwise and shall
not cut or alter the work of any other Contractor, save with the consent of the Engineer.

C. All holes or openings required to be made in new or existing work, particularly at pipe,
conduit, or other penetrations not covered by escutcheons or plates shall be neatly
patched. All such holes shall be made completely watertight as approved by the Engineer.

D. Size and locations of holes required in steel, concrete, or other structural or finish
materials for piping, wiring, ducts, etc., which have not been located and detailed on the
drawings shall be approved by the Engineer prior to layout and cutting thereof. All holes
shall be suitably reinforced as required by the Engineer.

E. Workmanship and materials of patching and repair work shall match the adjacent similar
work and shall conform to the applicable sections of the specification. Patches and joints
with existing work shall provide, as applicable in each case, visual, structural, and
waterproofing continuity.

END OF SECTION

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SECTION 01150

MEASUREMENT AND PAYMENT

PART 1— GENERAL

1.1

A.

SUMMARY

Under the price specified to be paid for each item, the Contractor shall furnish all
labor, materials, equipment, plant, and perform all operations to complete all work as
indicated and specified. All supervision, overhead items, bond and permit costs,
protection and precautions and all other costs, incidental to the construction work,
complete, and as specified, are also included.

A complete, finished, working job, as intended by the general nature of these
Specifications, shall be produced whether or not any particular wording or direction is
omitted or inadvertently not clearly stated.

Measurement for payment shall be by the Engineer, except where noted elsewhere in
this Specification. Measurement for payment for lump sum items shall be on the
basis of percentage of work complete and in place.

Each unit or lump sum price stated in the Bid shall constitute full compensation as
herein specified for each item of work completed in accordance with the Drawings
and Specifications.

The prices for those items which involve excavation shall include compensation for
transportation and disposal of surplus excavated material at the City landfill and
handling water.

. The prices for all pipe items shall constitute full compensation for furnishing, laying,

jointing, and excavation and backfill; and clean up.

In all items involving excavation, the price shall be based on doing the entire
excavation in earth. Where rock is excavated, the price thereof shall be in addition to
the cost of excavating earth, and no deduction will be made in the amount for earth
excavation.

Unit prices submitted for various items of work will be utilized for determining prices
of any additional work necessary during construction.

Owner reserves the right to delete any item or modify estimated quantities without
penalty. Contractor shall make no claim as to lost profits or added costs due to
quantity adjustments or deletions.

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J. Unit prices listed shall be the basis of cost adjustment for additional items of work
required by a change order.

All prices shall include transportation and disposal of excess materials at the City

landfill as applicable.

L. Unit and lump sum prices shall reflect salvage value of all pipe materials and
appurtenances removed as part of the work.

M. All prices shall include costs related to filing and obtaining applicable licenses and
permits from local and state agencies.

PART 2 - DESCRIPTION OF PAY ITEMS

2.01

A.

SANITARY SEWER AND DRAIN ITEMS

REMOVE AND REPLACE EXISTING SEWER, DRAIN AND SEWER
SERVICE LINES

Measurement:

The quantity to be measured under the various subdivisions of ITEM 1 (A thru
L) for removal and replacement of existing sewer and drain lines will be
measured, complete-in-place, by the LINEAR FOOT along the completed
actual length of installed pipeline.

Payment:
The accepted quantity of sewer, drain or sewer service pipe installed shall be

paid for at the contract unit price under the appropriate subdivisions of ITEM
1 (A thru L) and shall constitute full compensation for removal and disposal of
the existing sewer pipe and surplus material from the pipe bedding and sand
blanket, and furnishing and installing a new PVC pipe of the appropriate size
and material, including but not limited to handling of existing storm and
wastewater flows, by- pass pumping, excavation, pipe bedding and sand
blanket, backfill, removal and disposal of surplus and unsuitable materials at
the City landfill, testing and video inspections, furnishing all materials, labor,
tools, and equipment necessary to complete the work complete in place, all as
specified in these Specifications and as directed by the Engineer.

NOTE:

1. The restoration of the pavement and base course gravels shall be paid for
separately under the appropriate ROADWAY RESTORATION contract
items.

2. Removal and disposal of existing asbestos pipe shall be paid for under
ITEM 3 in addition to the payment under the various subdivisions of ITEMS
1 (A thru L).

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B.

C.

POINT REPAIR OF EXISTING SEWER AND DRAINS

Measurement:

The quantity to be measured under the various subdivisions of ITEM 2 (A thru
D) 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 2 (A thru D) and shall
constitute full compensation for cutting, removal and disposal of the existing
damaged sewer or drain pipe up to 10 linear feet, the removal and disposal of
surplus material from the pipe bedding and sand blanket, the installation of a
new PVC sewer main of the appropriate size 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,
surplus material and other unsuitable materials at the City landfill, pipe
bedding and sand blanket, 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 up to 10 linear feet shall be shall be measured as 10
linear feet, and paid as one (1) point repair. If in the opinion of the
Engineer the repair requires more than 10 linear feet of new pipe repair,
then the unit price will be increased by 10% for every foot of new point
repair in excess of 10 linear feet up to 20 linear feet in length. If the repair
exceeds 20 linear feet, the first 20 linear feet will be paid as two (2) point
repairs, and the remainder shall be paid at the unit price per foot under the
appropriate subdivision of Item 1 (A thru L).
The restoration of the pavement and base course gravels shall be paid for
separately under the appropriate ROADWAY RESTORATION contract
items.

IN

REMOVAL & DISPOSAL OF EXISTING ASBESTOS PIPE (ALL SIZES UP
TO 18” DIAMETER)

Measurement:

The quantity to be measured under ITEM 3 for removal and disposal of
existing asbestos pipe will be measured by the LINEAR FOOT along the
completed actual length of pipeline removed and properly disposed of at the
City landfill.

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Payment:
The accepted quantity of asbestos sewer, asbestos drain or asbestos sewer

service pipe removed shall be paid for at the contract unit price under ITEM 3,
and shall constitute full compensation for removal and disposal of the existing
asbestos pipe of all sizes up to 18” diameter by specially trained and
competent personnel including handling, bagging and disposal of asbestos
containing materials (ACMs) at the City landfill, furnishing all protective gear
for personnel, materials, labor, tools, and equipment necessary to complete the
work, all as specified in these Specifications and as directed by the Engineer.

NOTE:

1. Properly bagged asbestos containing materials (ACMs) may be delivered
and disposed of at the Nashua Landfill. The tipping fee will be waived for
disposal of this material.

2. Removal and disposal of existing asbestos pipe shall be paid for under

ITEM 3 in addition to the payment under the various subdivisions of
ITEMS 1 (A thru L) and ITEMS 2 (A thru D).

D. 6” PVC CHIMNEY
Measurement:
The quantity to be measured under ITEM 4 will be the actual number of 6”
PVC Chimneys constructed by the VERTICAL FOOT, complete-in-place, as
specified in these Specifications and as directed by the Engineer.

Payment:

The accepted quantity of 6” PVC Chimneys constructed shall be paid for at the
contract unit price under ITEM 4, and shall be full compensation for the
removal and disposal of the existing chimney, and the construction of the new
chimney, including all pipe, fittings, miscellaneous forming and concrete, and
all labor, tools and any other equipment necessary to complete the work as
specified and as directed by the Engineer.

E. SANITARY WYE OR SEWER SERVICE SADDLE OR CORED OPENING
Measurement:
The quantity to be measured under the various subdivisions of ITEM 5 (A thru
E) will be the actual number of sanitary wyes, sewer service saddles or cored
openings constructed and measured by the EACH, complete-in-place, as
specified in these Specifications and as directed by the Engineer.

Payment:
The accepted quantity of wyes, sewer service saddles or cored openings

constructed shall be paid for at the contract unit price under the appropriate
subdivisions of ITEM 5 (A and E), and shall be full compensation for
furnishing and installing wyes, including all labor, tools and any other
equipment necessary to complete the work as specified and as directed by the
Engineer.

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F. REPLACE OR CONSTRUCT SEWER MANHOLE (4-FOOT & 5-FOOT DIA.)
Measurement:
The quantity to be measured under the various subdivisions of ITEM 6 (A and
B) for replacing or constructing new sewer manholes will be measured 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 new or replaced shall be paid for

at the contract unit price under ITEM 6 (A and B), 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, 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 excess and unsuitable materials at the
City landfill, manhole vacuum testing, and all work incidental thereto and
not specifically included for payment under other items.

NOTE: Connecting existing pipes to new sewer manholes will be paid
separately under Items 6I.

G. CONSTRUCT SINGLE SEWER MANHOLE AT POINT REPAIR LOCATION
(4-FOOT DIA)
Measurement:
The quantity to be measured under ITEM 6C for replacing or constructing new
sewer manholes will be measured 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 new or replaced shall be paid for

at the contract unit price under ITEM 6C, 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, 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 excess and 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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NOTE: Connecting existing sewer line or drain lateral to new sewer
manhole or catch basin will be paid separately under Items 6I.

H. SEWER MANHOLE INTERNAL DROP ASSEMBLY
Measurement:
The quantity to be measured under ITEM 6D will be the actual number of PVC
internal drop assemblies constructed by the VERTICAL FOOT, complete-in-
place, as specified in these Specifications and as directed by the Engineer.

Payment:
The accepted quantity of internal drop assemblies constructed shall be paid for

at the contract unit price under ITEM 6D, and shall be full compensation for
the removal and disposal of the existing drop assemblies, and the construction
of the new internal drop assemblies, including all pipe and fittings of the
appropriate size, miscellaneous stainless straps and anchor bolts, by-pass
pumping and all labor, tools and any other equipment necessary to complete
the work as specified and as directed by the Engineer.

I. MANHOLE INVERT RECONSTRUCTION
Measurement:
The quantity to be measured under ITEM 6E will be the actual number of
manhole inverts reconstructed measured by the EACH, complete-in-place, as
specified in these Specifications and as directed by the Engineer.

Payment:
The accepted quantity of manhole invert reconstruction shall be paid for at the

contract unit price under ITEM 6E, 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.

J. FIND, UNCOVER AND/OR REPLACE EXISTING SEWER MANHOLE FRAME
& COVER
Measurement:
The quantity to be measured under ITEM GF shall be by the actual number of
existing manhole frames and covers uncovered and raised to grade 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 uncovered

and raised to grade shall be paid for at the contract unit price under ITEM 6F,
and shall be full compensation for excavation, backfill, removal and disposal of
the old pavement and other unsuitable materials at the City landfill; raising the
frame and cover to grade with brick courses, furnishing and installing if
necessary a new City standard frame and cover provided by the City, and all

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