Finance Committee

3.2

15602-3
STEAM HEATING SYSTEMS
PIPING AND SPECIALTIES

be anchored where necessary to control expansion.

E. Install a sufficient number of unions for disassembling pipe around equipment of this
Division and other Divisions.

F. Install piping pitched for proper condensate drainage.

G. Install pipe hangers to properly support all equipment and piping. Maximum span
between hangers shall be 10 feet. Hangers shall be sized so insulation passes through
hangers.

H. Sleeves and Plates:

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.

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.

3.2

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:

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.

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:

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.

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.

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.

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.