Finance Committee

SECTION 02631
PRECAST MANHOLES AND CATCH BASINS
PART 1 - GENERAL
1.01 WORK INCLUDED:

A. This Section covers all precast manholes and catch basins complete, including, but not
limited to, bases, walls, cones, mortar, inverts, frames and covers.

B. Work shall comply with City of Nashua Standard Specifications for Sewers and Drains
(Appendix A).

1.02 RELATEDWORK:

A. Section 02300, EARTHWORK

B. Section 02745, PAVING

C. Section 03302, FIELD CONCRETE
1.03 SYSTEM DESCRIPTION:

3.02

The vertical clear distance between sewers and drains shall be no less than 18 inches unless
otherwise approved by the Engineer or specifically indicated on the drawings. In locations
where sewers will pass over or under existing drains, the Contractor shall plan the laying of the
pipeline such that the drain pipe 1s approximately centered between joints on the sewer pipe.

SECTION 02619

REPLACEMENT OF EXISTING DRAINS

PART 1 - GENERAL

1.01 WORK INCLUDED:

This section covers those areas of work where the proposed sewers will cross existing drain
pipes and structures.

SECTION 02534
FILL SEWER PIPE OR STRUCTURE (TO BE ABANDONED)
PART 1 - GENERAL

1.01 WORK INCLUDED:

The existing sewer pipe to be abandoned in place shall be completely filled with
"Flowable Fill" after the sewerage has been re-routed through the new sewer main
This work shall include all materials, labor, pumping, shoring, and cleanup required
to complete this item.

1.02 RELATED WORK:
Section 02631, PRECAST MANHOLES AND CATCH BASINS

place. Should the Contractor elect to use this type of fitting the submittal must include
an evaluation of the existing pipe wall thickness (after CIPP lining) and provide cut
sheets from the manufacturer showing this type of fitting will achieve the desired
results.

PART 3 - EXECUTION

3.01

A.

B.

INSTALLATION:

The Contractor shall provide temporary plugs or provide other suitable means for
maintaining the new sewer free of sewage flow until such time as it can be inspected and
tested for leakage.

SECTION 02533
CONNECTIONS TO EXISTING STRUCTURES OR SEWER MAINS
PART | - GENERAL

1.01 WORK INCLUDED:

The Contractor shall furnish materials, tools, labor and equipment to cut suitable openings
into the existing sewer manholes, make connections to existing sewers and all other work
necessary to direct the existing sewage flow as indicated on the drawings and as herein
specified.

B.

Concrete for encasement shall be as specified in Section 03302 FIELD CONCRETE.

PART 3 - EXECUTION

3.01

A.

INSTALLATION:

BUILDING CONNECTIONS:

1.

Building connections shall be installed using the same construction and pipe joining
techniques as specified in Section 02085 POLYVINYL CHLORIDE GRAVITY PIPE
AND FITTINGS.

SECTION 02530
BUILDING CONNECTIONS AND DROP CONNECTIONS
PART 1 - GENERAL
1.01 ©WORK INCLUDED:

A. This Section covers furnishing of all materials and labor to construct building sewer
connections and drop connections as indicated on the Drawings, and as herein specified.

B. _ Final location of building connections shall be determined in the field by the Engineer.

1.02 RELATED WORK:

A. Section 02300, EARTHWORK

B. Section 02324, ROCK EXCAVATION AND DISPOSAL

C. Section 02631, PRECAST MANHOLES AND CATCH BASINS

E. Tape colors shall be as follows, as recommended by the American Public Works

Association (APWA):
Electric Red
Gas & Oil Yellow
Communications Orange
Water Blue
Sewer & Drain Green
Chemical Red (not APWA)

PART 3 - EXECUTION

3.01 INSTALLATION:

A. — Tracer tape shall be installed directly above the pipe or conduit it is to identify,

approximately 12 inches below the proposed ground surface.

B. — The Contractor shall follow the manufacturer's recommendations for installation of the

SECTION 02518

TRACER TAPE

PART 1 - GENERAL

1.01 WORK INCLUDED:

This section covers the furnishing, handling and installation of tracer tape, as called for on the
drawings.

1.02 SUBMITTALS: IN ACCORDANCE WITH REQUIREMENTS OF GENERAL
SPECIFICATIONS, SUBMIT THE FOLLOWING:

A. — Six sets of manufacturer's literature on the materials, colors and printing specified herein,

shall be submitted to the Engineer for review.

B. Tape samples shall also be submitted to the Engineer for review.