Agenda

15604-4
AUTOMATIC TEMPERATURE CONTROL (ELECTRIC)

2. Controllers shall be designed and constructed for equipment room use and shall
not be affected by ambient temperature and humidity.

3. | Duct mounted or immersion type shall have spans of one hundred degrees or
two hundred degrees Fahrenheit as required. Averaging element sensors shall
have a minimum nine-foot capillary element. Temperature sensors shall be of
rigid stem using bimetallic sensing elements except where averaging is
required.

7.

15604-3
AUTOMATIC TEMPERATURE CONTROL (ELECTRIC)

In areas of a building that comply with the Americans with disabilities act,
thermostats shall be mounted at a height of 48" above a finished floor.

Industrial Temperature Controller:

l.

Furnish and install industrial/heavy commercial grade, Temperature Controllers
in NEMA 12, 3R, 4/4X process and production areas capable of controlling
heating and cooling equipment through motor starters, variable speed drives,
industrial relays or other equipment control devices.

15604-2
AUTOMATIC TEMPERATURE CONTROL (ELECTRIC)

1.3 SUBMITTALS TO THE ENGINEER

A.

Shop drawings shall be submitted for approval as required by the General
Conditions. Shop drawings shall consist of, but not be limited to, the following:

l.

2.
3.

Manufacturer's literature for all equipment including maintenance and
operating instructions and parts lists.

Description of operation for all systems.

15604-1

SECTION 15604

AUTOMATIC TEMPERATURE CONTROL (ELECTRIC)

PART 1 - GENERAL

1.1 DESCRIPTION
A. Furnish, install and test an Automatic Temperature Control (ATC) system of the type

and function required on the Drawings and as herein specified.

1. Type of System: Electric.

Related Work Specified Elsewhere: "HVAC - General" is specified in this Division.
"Cabinets and Enclosures" is specified in Section 16160.

15602-4
STEAM HEATING SYSTEMS
PIPING AND SPECIALTIES

3.3 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

13089K

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.