centers with all stainless steel worm drive hose clamps and heat transfer
area shall be increased by continuous tangential fillets of heat conducting
paste. Electric heat tracing power supply shall be as indicated.]
3.1.21
Field Applied Insulation
Field applied insulation shall be as specified in Section 15080A THERMAL
INSULATION FOR MECHANICAL SYSTEMS.
3.1.22
Factory Applied Insulation
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NOTE: Include or delete items requiring factory
applied insulation as applicable.
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Suction headers, liquid receivers, oil separators, and oil reservoirs shall
be insulated with not less than 19 mm 3/4 inch thick unicellular plastic
foam as a standard manufacturer's process.
3.1.23
Framed Instructions
Framed instructions shall be framed under glass or laminated plastic and
posted where directed. Instructions shall include equipment layout, wiring
and control diagrams, piping, valves and control sequences, and typed
condensed operation instructions. The condensed operation instructions
shall include preventative maintenance procedures, methods of checking the
system for normal and safe operation, and procedures for safely starting
and stopping the system. The instructions shall be posted before
acceptance testing of the system.
3.2
TESTS
Tests shall be conducted in the presence of the Contracting Officer.
Utilities for testing shall be provided as specified in the SPECIAL
CONTRACT REQUIREMENTS. Water and electricity required for the tests will
be furnished by the Government. Material, equipment, instruments, and
personnel required for the test shall be provided by the Contractor. The
services of a qualified technician shall be provided as required to perform
tests and procedures indicated. Field tests shall be coordinated with
Section 15990A TESTING, ADJUSTING, AND BALANCING OF HVAC SYSTEMS.
3.2.1
Refrigerant System
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NOTE: Where applicable condensing temperature is
over 55 degrees C (130 degrees F), equipment and
piping will be capable of withstanding leak pressure
tests at not less than the design pressure
corresponding to the condensing pressure during the
higher ambient conditions. (Refer to ASHRAE 15.)
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After all components of the refrigerant system have been installed and
connected, the entire refrigeration system shall be subjected to a
pneumatic test as specified.
SECTION 15652A
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