Adjusting and Balancing
SMACNA Leakage Test Mnl
(1985, 1st Ed) HVAC Air Duct Leakage Test
Manual
1.2
RELATED REQUIREMENTS
Requirements for price breakdown of HVAC TAB work are specified in Section
01200N PRICE AND PAYMENT PROCEDURES.
Requirements for construction scheduling related to HVAC TAB work are
specified in Section 01321N NETWORK ANALYSIS SCHEDULES.
1.3
SUBCONTRACTOR SPECIAL REQUIREMENTS
Perform all work in this section in accordance with the paragraph entitled
"Subcontractor Special Requirements" in Section 01310 ADMINISTRATIVE
REQUIREMENTS. The paragraph specifies that all contract requirements of
this section shall be accomplished directly by a first tier subcontractor.
No work required shall be accomplished by a second tier subcontractor.
1.4
DESCRIPTION OF WORK
The work includes test, adjust, and balance (TAB) of [new and existing]
heating, ventilating, and cooling (HVAC) air and water distribution systems
including equipment, ducts, and piping which are located within, on, under,
between, and adjacent to buildings.
1.4.1
Air Distribution Systems
Systems shall be tested, adjusted, and balanced (TAB'd) in compliance with
this section. Obtain Contracting Officer's written approval before
applying insulation to exterior of air distribution systems under Section
15080 THERMAL INSULATION FOR MECHANICAL SYSTEMS.
1.4.2
Water Distribution Systems
Systems shall be TAB'd in compliance with this section. Obtain Contracting
Officer's written approval before applying insulation to water distribution
systems under Section 15080 THERMAL INSULATION FOR MECHANICAL SYSTEM. At
Contractor's option and with Contracting Officer's written approval, the
piping systems may be insulated before systems are TAB'd. Piping
insulation shall terminate immediately adjacent to each flow control valve,
automatic control valve, or device. The ends of pipe insulation and the
space between ends of pipe insulation and piping shall be sealed with
waterproof vapor barrier coating. After completion of work under this
section, the flow control valves and devices shall be insulated under
Section 15080 THERMAL INSULATION FOR MECHANICAL SYSTEMS.
[1.4.3
Phasing of Work
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NOTE: In the this paragraph, DALT work is specified.
If DALT work is required for a given project, this
reference to DALT and many others herein shall be
deleted. This is facilitated by brackets locating
these references to DALT work.
SECTION 15950N
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