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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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Police

13.)

14.)

15.)

16.)

17.)

18.)

This contract shall be governed exclusively by the laws of the state of New Hampshire and
any claim or action brought relating to this contract, the work performed or contracted to be
performed thereunder, or referable in any way thereto shall be brought in Hillsborough
County (New Hampshire) Superior Court Southern Judicial District or in the New
Hampshire 9 Circuit Court Nashua and not elsewhere.

Assignment. CLIENT shall not assign, transfer, delegate or subcontract any of its rights or
delegate any of its obligations under this Agreement without the prior written consent
of POLICEAPP. Any purported assignment or delegation in violation of this Section shall
be null and void. POLICEAPP may assign any of its rights or delegate any of its obligations
to any affiliate or to any person acquiring all or substantially all of POLICEAPP’s assets
without CLIENT’S consent. This Agreement is binding on and inures to the benefit of the
parties to this Agreement and their respective permitted successors and permitted assigns.

Entire Agreement. This Agreement and any written addendum hereto, executed by both
parties, constitutes the entire Agreement and supersedes all prior agreements or
representations which are not expressly set forth herein.

Amendments. This Agreement may be modified, waived or discharged only by written
agreement mutually executed by all parties.

Severability. If any term or provision of this Agreement is found by a court of competent
jurisdiction to be invalid, illegal or unenforceable in any jurisdiction, such invalidity,
illegality or unenforceability shall not affect any other term or provision of
this Agreement or invalidate or render unenforceable such term or provision in any other
jurisdiction.

Notices. All notices, requests, consents, claims, demands, waivers and _ other
communications under this Agreement must be in writing and addressed to the other party
at its address set forth on the signature page of this Agreement (or to such other address that
the receiving party may designate from time to time in accordance with this Section).

Fees: POLICEAPP will invoice CLIENT Eleven thousand dollars $11,000 annually for

services provided. Should department decide to change to an applicant funded process,
department must notify POLICEAPP at least 15 days prior to annual billing date.

POLICEAPP.COM / Nashua, NH agreement - PAGE 5 of 8

15601-1

SECTION 15601

HYDRONIC HEATING SYSTEMS
PIPING AND SPECIALTIES

PART 1 - GENERAL

1.1

1.2

DESCRIPTION

A.

Work Included: Provide and install a complete hot water heating system including
all the required specialties and appurtenances as shown on the Drawings and as
specified herein.

Related Work Specified Elsewhere:

1. "HVAC - General" is specified in this Division.

2. “Steel Pipe & Fittings” is specified in Section 15061.

3. “Copper Pipe & Fittings” is specified in Section 15063.

QUALITY ASSURANCE

A.

Acceptable Manufacturers:

1. Valves:

Stockham.

Crane.

Nibco.

Walworth.

Or Approved Equal.
pecialties:

Bell & Gossett.
Taco.

Or Approved Equal.
nstruments:

Trerice.

U.S. Gauge.

Taylor.

Or approved equal.

MK
peste HOA TS

aeore

PART 2 - PRODUCTS

2.1

MATERIALS

A.

B.

General: Manufacturers' names given below are intended to identify type and style.
Products of other manufacturers may be acceptable upon the approval of the Engineer.
Pipe: Schedule 40 black steel or Type L or K copper.

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15601-2
HYDRONIC HEATING SYSTEMS
PIPING AND SPECIALTIES

Valves (general):

1. Gate Valves:

a. Uptoand including 2-1/2 inch - screwed or solder end, bronze body, rising
stem, solid bronze disc, 125 psi steam pressure. Equal to Nibco T-111 or
S-111.

2. Globe Valves:

a. Up to and including 2-1/2 inch - screwed or solder end, bronze body, TFE
disc, 125 psi steam pressure. Equal to Nibco T-211 or S-211.

3. Check Valves:

a. Up to and including 2-1/2 inch - screwed or solder end, bronze body,
Buna-N disc, 200 pst WOG cold pressure. Equal to Nibco T-413-W or S-
413-W.

4. Ball Valve: Acceptable in lieu of gate and globe valves for 2 inch and smaller,
full port bronze ball screwed or solder ends, 3-part bronze body, TFE or equal
resilient seat, lever handle, 400lb. WOG. Equal to NIBCO S-595-W.

Strainer:

1. "Y" Pattern: Bronze or cast iron body, screw or flange ends, 250 psi body,
stainless steel screen of 40 mesh.

2. Basket Type: Bronze or cast iron body, clamped cover, 125 psi working
pressure, perforated brass basket, equal to Mueller #125.

Air Separation (as indicated):

1. In Line: In-line cast iron or fabricated steel, removable strainer, 125lb ASME
Construction, Spirotherm, Spirovent or Equal.

Pressurized Diaphragm Expansion Tank:

Size and capacity as indicated on the Drawings.

Steel shell designed and constructed per ASME Section VIII.

Heavy duty butyl rubber diaphragm removable for inspection.

Working pressure - 125 psig.

Operating temperature - 240°F.

Vertical floor mounted style.

. Equal to Wessels NTA or equal.

riple Duty Valves

Equal to Bell & Gossett Model 3D or 3DS.

Cast iron body construction.

Designed to permit repacking under full line pressure.

Non-slam check valve with a spring loaded weighted disc and a calibrated

adjustment feature permitting regulation of pump discharge flow and shut off.

5. Acceptable in lieu of gate, check and balancing valve on discharge of each
pump.

Vents:

1. Provide vents at all piping high points and where indicated.

2. Automatic vents shall be %-inch connection, 125 PSI working pressure, brass
body with built-in air chamber. Provide gate valve between piping system and
vent.

3. Manual vents shall consist of a minimum 3/4-inch air chamber with 3/8-inch
piping and gate valve off top.

ALNEANDAAAKNS

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I.

15601-3
HYDRONIC HEATING SYSTEMS
PIPING AND SPECIALTIES

Thermometers:

1. | Furnish brass immersion thermowells where indicated on the Drawings.

2. Furnish two additional immersion thermometers suitable for all thermowells for
use in balancing and by operating personnel.

3. Furnish and install where indicated on the drawings 9-inch separable socket
mercury thermometer with a range of 30 to 240°F. Provide adjustable angle
type where required for proper visibility. Equal to Trerice industrial
thermometers.

Pressure Gauges:

1. | Furnish pressure gauge connections where indicated consisting of /4-inch take-
off and globe valve.

2. Furnish 0-100 PSI, 3-l/2-inch pressure gauge where indicated. Equal to Trerice
Model 600.

Expansion Compensator: Brass body with stainless steel or brass bellows capable of

l-inch minimum change in length.

Balancing/Flow Measuring Valve:

Meter connections with built-in check valve.

Integral pointer register in degree of valve opening.

Bubble tight shut-off.

125-pound working pressure.

. Equal to Bell & Gossett circuit setter.

ressure Relief Valve:

Diaphragm operated, ASME rated in BTU/hr.

Capacity shall exceed the maximum heating capacity of the protected device by

110% minimum. Set point shall be equal to or less than the normal working

pressure of the protected device.

3. Fluid shall not discharge into valve chamber.

4. Low blow-down differential.

5. | Equal to Bell & Gossett.

Ne PukRwn-

PART 3 - EXECUTION

3.1

INSTALLATION

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

B. Erect all piping to provide for easy and noiseless circulation of hot water under all
working conditions.

C. Use inverted eccentric fittings to reduce the size of the water mains.

D. Make proper allowances for the expansion and contraction of all piping. Anchor
piping where necessary to control expansion.

E. Install a sufficient number of unions for disassembling pipe around equipment.

F. Weld all steel piping 3 inches and larger in size. Weld or install screwed fittings in
pipe 2-1/2 inches and under in size.

G. Install piping level or slightly pitched upward in the direction of flow so that no air
pockets are formed in the piping.

H. Install pipe hangers to properly support all equipment and piping in accordance with

Specification Section 15094.

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3.2

3.3

K.
L

M.

15601-4
HYDRONIC HEATING SYSTEMS
PIPING AND SPECIALTIES

Sleeves and Plates:

1. | Provide and install sleeves sized to provide 1/4 inch minimum annular space
around pipes passing through masonry walls and floors. Allow all insulation to
pass through sleeves except where gas-tight calking is required.

2. | Where exposed pipes pass through finished walls, floors, ceilings, etc. provide
and set split cover plates.

Drains:

1. | Provide drain valves where shown on the Drawings, at all low points, and at all
equipment.

2. Drains shall be 1/2 inch hose valve style.

Provide and install dielectric unions at junction of pipes of dissimilar metals.
Provide and install control measurement and valves in piping systems that are
supplied by other trades.

Provide and install unions to allow removal of all control valves.

TESTING AND BALANCING

GUaAW pS

im

Perform a hydrostatic pressure test on all piping and equipment.

Test pressure shall be 100 psi or 1-1/2 times the working pressure, whichever is greater.
Repair, replace and rework, as required, to repair any defects and retest for approval.
Perform all testing prior to installation of insulation. Test systems in sections as
required to prevent delay of project.

Balance the entire hydronic heating system in accordance with applicable sections of
Division 1 and Section 15907 of this Division.

Operational Test: Upon completion of installation of all equipment and acceptance
of tests and balancing, perform a 24-hour continuous operational test in the presence
of the Engineers and Owner's representative to demonstrate proper operation of all
functions of the equipment and system.

PAINTING AND IDENTIFICATION

A.

All heating system piping, valves, pumps and equipment shall be painted and labeled
in accordance with Specification Section 09900.

END OF SECTION

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15602-1

SECTION 15602

STEAM HEATING SYSTEMS

PIPING AND SPECIALTIES

PART 1 - GENERAL

1.1

1.2

DESCRIPTION
Work Included: Furnish and install a complete steam heating system including all
required specialties and appurtenances as indicated on the Drawings and as herein
specified.
Related Work Specified Elsewhere: "Heating and Ventilating - General" is specified

A.

B.

in this Division.
QUALITY ASSURANCE
A. Valve Manufacturers:

1. Stockham.

2. Crane.

3. Fairbanks.

4. Walworth.

5. Or approved equal.
B. Specialty Manufacturers:

| Armstrong.

2 Sarco.

3. Meuller.

4. Hoffman.

5 Erwel.

6. Danfoss.

7. Or approved equal.
C. Instruments:

l. Terice.

2. US Gauge.

3. Taylor.

4. Or approved equal.

PART 2 - PRODUCTS

2.1

MATERIALS
A. General: Manufacturers’ names given below are intended to identify types and style.
Equal products of manufacturers listed above are acceptable.

B.

Pipe:
1.

2.

Steam: Schedule 40 black steel.

a. 2-1/2 inches and larger: welded.

b. 2 inches and smaller: screwed or welded.
Condensate: Schedule 80 black steel.

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H.

15602-2
STEAM HEATING SYSTEMS
PIPING AND SPECIALTIES

a. 1-1/2 inches and larger steel: welded.
b. 1-1/4 inches and smaller steel: screwed or welded.
c. All copper: silver solder joints.

Valves (general):

1. Gate Valve: Screwed brass, wedge disc, rising stem union bonnet, 125 PSI
steam, Stockham B-105.

2. Glove Valve: 150 PSI steam, screwed brass body, union bonnet, renewable
seat, plug seat, Stockham B29.

3. Check Valves: 200 PSI steam, screwed bronze or cast iron body replaceable or
regrinding disc, Stockham B-345.

4. Externally Piloted Pressure Reducing Valve: 20:1 rangeability, hardened
stainless steel working parts, Armstrong GP-2000 or equivalent.

Strainer: Screwed bronze or cast iron body, Y pattern, 250 PSI, 450 degrees’ steam,

monel, stainless steel or bronze screen.

Traps:

1. Float and Thermostatic:

a. Cast iron or semi-steel body.
b. Stainless steel float.
c. Balanced pressure phosphor bronze diaphragm type air vent.

2. Inverted Bucket Trap
a. Cast iron trap.

b. Stainless steel, free-floating valve mechanism.

Thermometers:

1. Furnish brass immersion thermowells where indicated on the Drawings.

2. Furnish two additional immersion thermometers suitable for all thermowells for
use in balancing and by operating personnel.

3. Furnish and install where shown on the drawings 9-inch separable socket
mercury thermometer with a range of 30 degrees to 240 degrees F. Provide
adjustable angle type where required for proper visibility. Equal to Trerice
industrial thermometers.

Pressure Gauges:

1. | Furnish pressure gauge connections where shown consisting of /%-inch take-off
any globe valve.

2. Furnish 0-100 PSI, 3-1/2-inch pressure gauge where indicated. Equal to Trerice
Model 601.

Expansion Compensator: Brass or cast iron body with stainless steel or brass bellows

capable of 1-inch minimum change in length.

PART 3 - EXECUTION

3.1 INSTALLATION

A.
B.
C.

Entire heating system shall be installed in a neat and workmanlike manner.

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

Eccentric fittings shall be used to reduce the size of the mains to allow condensate
drainage.

Make proper allowances for the expansion and contraction of all piping. Piping shall

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