motor frame and terminal box.
2.9.5
Grease lubricated, shielded, antifriction steel ball bearings shall be
provided and greased with a moisture resistant grease. Grease fittings and
excess grease purge plugs shall be readily accessible and shall be located
externally so that bearing lubricant can be changed without removing fan
housing or dismantling the motor.
2.9.6
Windings
Motor windings shall be nonhygroscopic, epoxy coated.
2.9.7
Motor Characteristics
Motor rotors shall receive a standard dynamic balance. The maximum
amplitude (peak to peak) of motor vibration, as measured at the bearing
housing, and the method of measurement shall be in accordance with NEMA MG 1.
The motor characteristics such as wattage horsepower, speed, rpm, voltage
and phase requirements and insulation class shall be as indicated.
2.9.8
Motor Controls
NEMA ICS 1.
2.10
SPECIAL TOOLS
One set of special tools, calibration devices, and instruments required for
operation, calibration and maintenance of the equipment shall be provided.
PART 3
EXECUTION
3.1
EXAMINATION
The Contractor shall verify all dimensions in the field, and shall advise
the Contracting Officer of any discrepancy in the contract documents before
performing the work.
3.2
TREATMENT SYSTEM INSTALLATION
Excavation, filling, and backfilling shall be in accordance with Section
02300 EARTHWORK. Reinforced concrete, of the size and design indicated,
shall be installed in accordance with Section [03300A CAST-IN-PLACE
STRUCTURAL CONCRETE][03300N CAST-IN-PLACE CONCRETE].
3.2.1
Welding
Piping shall be welded in accordance with AWS D1.1/D1.1M by welders
certified to have passed tests using procedures in accordance with AWS B2.1
or ASME BPVC SEC IX. The welder or welding operator shall apply the
assigned personal symbol near each weld made, as a permanent record.
Structural members shall be welded in accordance with Section 05090A
WELDING, STRUCTURAL. Welding and nondestructive testing procedures are
specified in Section 05093 WELDING PRESSURE PIPING.
3.2.2
Pipe and Valve Installation
Piping shall be installed with all joints tight and with no undue marring
SECTION 11391
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