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15400-2
PLUMBING — GENERAL

1.3 JOB CONDITIONS

A.

Scheduling Work: Install and test all plumbing to be cast into or buried under
concrete floor slabs prior to the placement of concrete.

1.4 SUBMITTALS

A.

B.

C.

Prior to ordering fixtures, equipment and appurtenances, submit shop drawings in
accordance with the General Conditions of the Construction Contract.

Submit to the Engineer: Copies of manufacturer's installation, maintenance and
operating instructions including parts lists for all equipment furnished as specified in
the General Conditions of the Construction Contract.

Submit a list of local supply houses for replacement parts for all equipment furnished.

15 DELIVERY, STORAGE & HANDLING

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Exercise care during loading, transporting, unloading and handling to prevent damage
of any nature to interior and exterior surfaces of equipment, fixtures, pipe and fittings.
Do not drop equipment and fixtures.

Store materials on the project site in enclosures or under protective coverings.
Assure that all materials are kept clean and dry.

Do not store materials directly on the ground.

Exercise care so as not to damage, crack, mar finish and to prevent damage of any
nature to fixtures.

1.6 SEISMIC CONTROL

A.

Not applicable.

PART 2 - PRODUCTS

2.1 MATERIALS

A.

B.

Provide materials that are new, suitable for intended use, and of type, style, and
quality specified and as shown on the Drawings.

Provide pipe, fittings, and devices that meet requirements of local plumbing codes
and be in accordance with applicable ASTM, ANSI, and Commercial Standard (CS)
standards.

2.2 BOLTS, ANCHOR BOLTS AND NUTS

A.

Furnish all necessary bolts, anchor bolts, nuts, washers, lock washers or locking nuts,
plates and bolt sleeves in accordance herewith. Anchor bolts shall have suitable
washers, lock washers and, where so required, their nuts shall be hexagonal.

All bolts, anchor bolts, nuts, washers, lock washers, plates, and bolt sleeves shall be

galvanized unless otherwise indicated below or specified elsewhere.

1. Galvanized steel in accordance with Division 5 unless otherwise indicated
below or specified elsewhere.

2. Stainless steel hardware (minimum of Type 304, unless otherwise indicated) is
required in all corrosive atmospheres, exterior areas, and/or areas with NEMA
4X or NEMA 7 rating.

3. Stainless steel hardware (minimum of Type 316, unless otherwise indicated) is
required in all submerged applications, including but not limited to the

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2.3

15400-3
PLUMBING — GENERAL

headworks, dewatering rooms, chemical rooms, clarifiers, aeration basins,
splitter structures, equalization or storage tanks, etc. For additional description
and definition of submerged surfaces refer to Specification Section 09900.

EQUIPMENT AND VALVE TAGS

A.

All new plumbing and HVAC (Mechanical Systems) equipment shall be identified

by a color coded equipment/valve tag, provided and installed by the Contractor.

Contractor shall submit a complete list of proposed Identification Tag information

and it shall be reviewed by the Engineer and Owner and revised as indicated. In

general, tag information shall match the information provided on the Drawings.

Tags shall conform to the following specifications:

1. The tags shall be 2.5-inch diameter, 1/16" thick, rigid, multi-layered sandwich
laminate with contrasting inner and outer colored acrylic plastic layers. Top
hole size is 5/32" for hanging tags.

2. Tags shall be available in 7 different outside colors. Owner and Engineer shall
select up to 4 different colors for the project.

3. Tags shall have up to three lines engraved on a side and eight characters per
line of identification information. Tags shall be engraved one side.

4. Tags shall be secured to valves with nylon cable ties or adjustable stainless steel
bead chain. Securing method shall be selected by the Owner and Engineer.

5. Tags secured to equipment shall be fastened to a flat visible surface by a

minimum of two SS screws or SS pop rivets.

Tags shall have a service temperature of -40°F to 175°F

7. Manufactured by Seton Name Plate Corporation, New Haven, CT, Brimar
Industries, Garfield, NJ, or equal.

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PART 3 - EXECUTION

3.1

INSTALLATION

A.
B.

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Install all plumbing and piping systems in a neat workmanlike manner.

Lines and Grades:

1. Unless otherwise shown on the Drawings, install all piping parallel to the
building walls wherever possible.

2. — Install all piping to accurate lines and grades.

Supports: Provide pipe hangers and supports as specified in the "Pipe Hangers &

Supports" Section in this Division.

Expansion: Provide suitable provisions for expansion of pipelines wherever

necessary.

Do not provide nor install close nipples.

Do not install piping through, directly over, or in front of electrical switchgears and

power panels.

Caulk the spaces between the pipe and walls, ceilings, and floors gas-tight where

shown on the Drawings.

Fittings for Dismantling Piping: Provide a sufficient number of unions to allow the

dismantling of all piping.

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3.2

15400-4
PLUMBING — GENERAL

TESTING

A.

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When the installation is complete, test all pipelines in the presence of the Engineer
and the Plumbing or Building Inspector in accordance with the requirements of the
local and state plumbing codes, at no additional cost to the Owner. Provide all
necessary equipment and utilities.

Test underground piping prior to backfilling.

Test piping prior to application of paint and insulation.

Separately test portions of piping which will be concealed before completion.

Procedure:

1. Fuel Gas Piping: Test with compressed air at 15 psi for 30 minutes with no loss
in pressure at test gauge. Bubble test all fittings and joints with a soap/water
solution.

2. Isolate any equipment that cannot withstand test pressures prior to any testing.

Repairs:

1. Should leaks be found, repair as required even to the extent of disassembling
and remaking the joints, or replacing sections of pipe.

2. Caulking of threads or the use of chemical compounds to correct leaks will not
be permitted.

3. Replace defective pipe and fittings and repeat tests until the testing results are
approved by the Engineer.

END OF SECTION

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15401-1

SECTION 15401

PLUMBING, PIPING AND SPECIALTIES

PART 1 - GENERAL

1.1

DESCRIPTION
A. Work Included: Furnish and install a complete piping system including all required
specialties and appurtenances as indicated on the Drawings and as herein specified.
B. Related Work Specified Elsewhere:
1. “Steel Pipe & Fittings” is specified in Section 15061.
2. “Plumbing General” is specified in Section 15400.
3. “Natural Gas System” 1s specified in Section 15444.

PART 2 - PRODUCTS

2.1

MATERIALS
A. Pipe and Fittings:
1. Gas Lines:

a. 1/2 inch and larger: Schedule 40 black steel with malleable iron fittings.
B. Valves:
1. Acceptable Manufacturers:
a. Stockham.

b. Crane.

c. Walworth.
d. Jenkins.

e. Nibco

f. Or approved equal.

2. Ball Valve: Acceptable in lieu of gate and globe valves for 2 inch and
smaller, full port bronze ball, threaded or solder ends, 3 part bronze body,
TFE or equal resilient seat, lever handle, 400 lb. WOG. Equal to NIBCO S-
595-Y (soldered end connection) or NIBCO T-595-Y (threaded end
connection).

PART 3 - EXECUTION

2.2

INSTALLATION

A. Provide offsets in all piping to place in proper position and avoid work of other
trades.

B. Install all valves with stems horizontally to upright. Do not install with stems
down.

END OF SECTION

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15444-1

SECTION 15444

NATURAL GAS SYSTEM

PART 1 - GENERAL

1.1 DESCRIPTION
A. Work Included: Furnish and install natural gas piping as indicated on the drawings.
B. Related Work Specified Elsewhere: "Plumbing - General" is specified in Section
15400, "Steel Pipe & Fittings" is specified in Section 15061.

12 QUALITY ASSURANCE
A. The entire installation shall conform to NFPA 54 as amended by the State of New
Hampshire.
B. Installation, testing, and replacement of gas piping, appliances, or accessories, and
repair and servicing of equipment, shall be performed only be a qualified agency.

1.3 SUBMITTALS TO THE ENGINEER
A. General: Submittals shall be in accordance with specification Section 01340.
B. When state or local codes require licensed gas fitters or licensed plumbers to perform
the work being done on the natural gas system, submit notarized copies of licenses of
all mechanics to be used on the installation.

1.4 DELIVERY, STORAGE, AND HANDLING
A. Deliver gas system materials to job site as work progress requires.
B. Protect all materials in a suitable weathertight enclosure to prevent damage of any
nature.

PART 2 - PRODUCTS

2.1 MATERIALS
A. All materials shall be in accordance with NFPA 54 and all state and local codes.

PART 3 - EXECUTION

3.1 INSTALLATION
A. General:
1. Clean pipe before installation.
2. Remove internal scale.
3. Ream pipe ends after cutting.
4. For screwed joints, apply noncorrosive, non-hardening Teflon pipe thread
compound or Teflon tape to male threads only.
Install gas piping and accessories according to NFPA 54.
6. Install gas piping parallel with building walls or structure. The lower end of all
vertical supply piping near equipment shall terminate with a tee, nipple and cap
to serve as a sediment trap.

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15444-2
NATURAL GAS SYSTEM

7. Install a gas cock and union in the pipe adjacent to each appliance, in such a
manner that the appliance may be removed without disturbing the gas piping.
Gas pipe sizes are based on the terminal equipment designed around. The Contractor
shall confirm line sized based on NFPA 54 sizing criteria for the terminal equipment
provided on the job prior to the start of the installation.
Leak testing shall be in accordance with NFPA 54 requirements. Test pressure shall
be 1 % times working pressure. Test duration shall be not less than % hour for each
500 ft? of pipe volume. Piping system shall withstand the test pressure without
showing any evidence of leakage.
Purging: After piping has been tested, the Contractor shall fully purge the gas piping
in accordance with NFPA 54.

END OF SECTION

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15600-1

SECTION 15600

HVAC - GENERAL

PART 1 - GENERAL

1.1 DESCRIPTION
A. Work included:

l.

Furnish all labor, materials, equipment and transportation as required to
completely install the heating and ventilation system as shown on the Drawings
and as specified herein.

The heating and ventilating work shall include, but not be limited to the
following:

Heating system piping, valves, supports, and specialties.

Heat generation and transfer equipment.

Ductwork and devices.

Air moving and air handling equipment.

Automatic temperature control systems.

Pipe and equipment insulation.

Balancing air and water systems.

Connections to equipment installed by other trades.

Installation of components and devices furnished by other trades that are
located in Heating and Ventilating piping, ducts, or equipment.

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B. Related Work Specified Elsewhere (When Applicable):

NAW RYWNS

Excavation and backfill is specified in Division 2.

Concrete is specified in Division 3.

Structural steel is specified in Division 5.

Painting is specified in Division 9.

Pipe Sleeves and Seals are specified in Section 15092.

Pipe Hangers and Supports are specified in Section 15094.

Pipe, insulation, ductwork, dampers, fans, etc., are specified in the appropriate

Sections in this Division.

Electrical Work:

a. The H&V work shall include the installation of all motors, temperature
controls, limit switches, etc., as herein specified. All 480-volt, 208-volt,
and 120-volt wiring and connections, and all motor starters, not specified
in this Section, will be provided under Division 16 - Electrical.

b. — All 24 volt wiring and auxiliary devices required for the specified systems,
equipment and operations indicated in this Section shall be provided under
this Section, unless specifically indicated on the Drawings related to
Division 16 - Electrical. This shall include, but is not necessarily limited
to, all wiring for automatic temperature and damper modulation control.

c. The materials and methods for all electrical work provided under this
Section shall comply with the requirements specified under Division 16 -
Electrical. Coordinate equipment ratings, starter sizes, protective device

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15600-2
HVAC - GENERAL

sizes, wire and conduit sizes, holding coil voltages and control voltages
with Division 16.
Design Criteria: The Drawings do not show every detail of pipe, valves, fittings,
hangers and equipment which are necessary for the complete installation, but are
provided to show the general arrangement and extent of work to be performed.

1.2 SUBMITTALS TO THE ENGINEER

A.

B.

Submit shop drawings as specified in the General Conditions of the Construction
Contract and as stated in each Section.

Submit manufacturer's installation, operation, and maintenance information for all
mechanical equipment as specified in the General Conditions. Information shall
consist of, but not be limited to, the following:

1. Manufacturer's operation & maintenance manuals.

2. Parts List.

3. Address of local suppliers for parts.

4. Address of local factory approved service organizations.

1.3 SEISMIC CONTROL

A.

Not applicable.

14 DELIVERY, STORAGE, AND HANDLING

A.

B.

The Contractor shall be responsible for the care and protection of all materials and
mechanical work until the project is accepted by the Owner.

Immediately remove from the construction site all materials damaged and/or
destroyed and replace with new materials to the complete satisfaction of the Engineer
without additional cost to the Owner.

PART 2 - PRODUCTS

2.1 MATERIALS

A.

B.

C.

Provide and install only new materials and equipment and of the latest design of the
respective manufacturers.

All materials and equipment of the same classification shall be the product of the
same manufacturer unless otherwise specified.

Provide all electrical specialties and accessories as specified with the equipment in
accordance with requirements of Division 16. All specialties and accessories shall
meet the NEMA Electrical Classification of the space in which they are installed.
See Drawing Sheet E-1 for the NEMA Schedule.

Furnish to the proper trades, all manufacturer's wiring diagrams for installation of
mechanical equipment.

Provide tee fittings, elbows, reducers, sheet metal safing, and other required
components to install equipment and control devices furnished by other trades.
Furnish and install all necessary supports and bases for all items furnished under
HVAC as required for the specific item/equipment to provide alignment to adjacent
inlet and outlet interconnecting piping and/or ductwork. In the absence of specific
details within the Contract Documents for the supports and bases, submit proposal
outlining supports/bases for the specific item/equipment being provided including

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15600-3
HVAC - GENERAL

materials of construction, size, components and other necessary details for review
and acceptance by the Engineer. Materials of construction shall be suitable for the
intended operating environment. Standard 4-inch concrete housekeeping pads are
not included within this specification and are furnished by others.

2.2 BOLTS, ANCHOR BOLTS AND NUTS

A.

Furnish all necessary bolts, anchor bolts, nuts, washers, lock washers or locking nuts,
plates and bolt sleeves in accordance herewith. Anchor bolts shall have suitable
washers, lock washers and, where so required, their nuts shall be hexagonal.

All bolts, anchor bolts, nuts, washers, lock washers, plates, and bolt sleeves shall be

galvanized unless otherwise indicated below or specified elsewhere.

1. Galvanized steel in accordance with Division 5 unless otherwise indicated
below or specified elsewhere.

2. Stainless steel hardware (minimum of Type 304, unless otherwise indicated) is
required in all corrosive atmospheres, exterior areas, and/or areas with NEMA
4X or NEMA 7 rating.

3. Stainless steel hardware (minimum of Type 316, unless otherwise indicated) is
required in all submerged applications, including but not limited to the
headworks, dewatering rooms, chemical rooms, clarifiers, aeration basins,
splitter structures, equalization or storage tanks, etc. For additional description
and definition of submerged surfaces refer to Specification Section 09900.

2.3 PIPE LABELS, EQUIPMENT AND VALVE TAGS

A.

C.

All new plumbing and HVAC (Mechanical Systems) equipment shall be identified

by a color coded equipment/valve tag, provided and installed by the Contractor.

Contractor shall submit a complete list of proposed Identification Tag information

and it shall be reviewed by the Engineer and Owner and revised as indicated. In

general, tag information shall match the information provided on the Drawings.

Tags shall conform to the following specifications:

1. The tags shall be 2.5-inch diameter, 1/16" thick, rigid, multi-layered sandwich
laminate with contrasting inner and outer colored acrylic plastic layers. Top
hole size is 5/32" for hanging tags.

2. Tags shall be available in 7 different outside colors. Owner and Engineer shall
select up to 4 different colors for the project.

3. Tags shall have up to three lines engraved on a side and eight characters per
line of identification information. Tags shall be engraved one side.

4. Tags shall be secured to valves with nylon cable ties or adjustable stainless steel
bead chain. Securing method shall be selected by the Owner and Engineer.

5. Tags secured to equipment shall be fastened to a flat visible surface by a

minimum of two SS screws or SS pop rivets.

Tags shall have a service temperature of -40°F to 175°F
7. Manufactured by Seton Name Plate Corporation, New Haven, CT, Brimar
Industries, Garfield, NJ, or equal.
Pipe marking: Provide pipe labels for new plumbing piping.

1. General Requirements for Manufactured Pipe Labels: Preprinted, color-coded,

with lettering indicating service, and showing flow direction.

a

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15600-4
HVAC - GENERAL

2. Pipe labels shall conform to ANSI/ASME 13.1, 2007 edition with regard to
color and size.

3. Pretensioned Pipe Labels: Precoiled, semirigid plastic formed to circumference
of pipe and to attach to pipe without fasteners or adhesive.

4. Pipe Label Contents: Include identification of piping service using same
designations or abbreviations as used on Drawings, pipe size, and an arrow
indicating flow direction.

B. Flow-Direction Arrows: Integral with piping system service lettering to
accommodate both directions, or as separate unit on each pipe label to indicate flow
direction.

PART 3 - EXECUTION

3.1 INSTALLATION

A. Install all work with a neat and orderly appearance, as specified and as shown on the
Drawings.

B. Make all installations structurally sound throughout.

C. Locate all installations to avoid interference with cranes and materials handling
equipment, storage areas, work of other trades, and traffic areas.

D. Perform all work incidental to the installation of the apparatus and materials
including, but not limited to, cutting, patching, trenching, excavating, backfilling,
trench covering, plastering and the constructing of chases, slots, furring, foundations,
piers and pads, when applicable. All work shall be performed in accordance with
the applicable Divisions of this Specification by qualified workmen regularly
employed in the applicable trades.

3.2 CLEANING
A. Do not allow refuse and surplus materials to accumulate and obstruct the
construction site.
B. Upon completion of the installation, remove refuse and surplus materials from the
construction site and leave the building neat and clean.

3.3 BALANCING
A. Balancing of air and water system flows shall be in accordance with Section 15907.

3.4 IDENTIFICATION
A. All HVAC piping, valves, pumps and equipment shall be painted and labeled in
accordance with Specification Section 09900 or as specified herein.
B. Signage is specified in Section 10010.

END OF SECTION

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