shall be set using templates. Anchor bolts shall be provided with
welded-on plates on the head end embedded in the concrete. Equipment bases
shall be leveled, using jacks or steel wedges, and grouted in using a
nonshrinking type of grouting mortar. Foundations shall conform to
manufacturer's recommendations.
3.3
LOCATIONS AND CLEARANCES
Equipment shall be located so that working space is available for necessary
servicing such as shaft removal, disassembling compressor cylinders and
pistons, replacing or adjusting drives, motors, or shaft seals, access to
water heads and valves of shell and tube equipment, tube cleaning or
replacement, access to automatic controls, refrigerant charging,
lubrication, oil draining and working clearance under overhead lines.
Provide manufacturer's recommended clearances for installation, operation,
and maintenance, for cooling towers and chillers located within enclosures.
3.4
IDENTIFICATION TAGS AND PLATES
Provide equipment with tags numbered and stamped for their use. Plates and
tags shall be brass or nonferrous material. Minimum letter and numeral
sizes shall be 3 mm 1/8 inch high.
3.5
FIELD QUALITY CONTROL
Perform tests and provide labor, materials, and equipment required. Notify
the Contracting Officer, in writing, 10 days before performing tests.
Tests shall be performed in the presence of a manufacturer's
representative. Tests shall conform to Section 15950N HVAC
TESTING/ADJUSTING/BALANCING.
3.5.1
Start-Up and Initial Operational Tests
Provide chemicals and place water treatment systems in operation before
initial start-up. Equipment shall be started and operated. Follow
manufacturer's procedures and place systems under all modes of operation.
Initial charges of refrigerant lubricating oil shall be supplemented to
ensure maximum operating capacity. Safety and automatic control
instruments shall be adjusted. Record manufacturer's recommended readings
hourly. Operational tests shall cover a period of not less than [_____]
days.
3.5.2
Laboratory Tests of Field-Assembled Cooling Towers
**************************************************************************
NOTE: If field-assembled cooling towers are not
specified, delete these paragraphs.
**************************************************************************
Cooling towers shall be tested by a testing laboratory, in accordance with
either ASME PTC 23 or CTI ATC-105. Prior to commencing tests, testing
laboratory shall have been approved by Contracting Officer. Reference in
CTI ATC-105 to "CTI Observer" shall be interpreted to mean testing
laboratory observer, and no arrangements or agreements with CTI are implied
or desired.
3.5.2.1
Air Temperatures
Take air temperatures by mechanically aspirated psychrometers, and in
SECTION 15601N
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