2.1.5.7
Rod Seal Gland and Locking Device Flange
The rod seal gland and locking device flange shall be fabricated from
bronze conforming to ASTM B 505/B 505M, Alloy No. C95400 or C93200. The
ice scraper, attached to the gland, shall conform to ASTM B 584, Alloy No.
C86300.
2.1.5.8
Hoist Locking Device
The hoist locking device shall be fabricated from stainless steel
conforming to ASTM A 564/A 564M or ASTM A 705/A 705M, Type 630 or XM-12,
Condition H-1150.
2.1.6
Hydraulic Power Unit
The hydraulic power unit shall be a self-contained, packaged unit designed
by the Contractor to operate the [telescopic] hydraulic cylinders in
accordance with the criteria stated in paragraph DESIGN PARAMETERS. The
power unit shall be designed to meet the space limitations shown shall be
configured essentially as shown.
2.1.7
Oil Reservoirs
The oil reservoir shall be sized [as shown] [by the Contractor to meet the
space limitations shown]. The reservoir shall be made of steel with welded
joints and shall conform to the requirements of NFLPA T3.16.2 R1 and as
shown. The reservoir shall be equipped with a fluid level indicator and
filler with built-in strainer. There shall be a baffle provided between
the intake and return lines to facilitate the separation of air and foreign
matter from the hydraulic fluid. Both the intake and return pipes shall be
brought down to a distance of 1 1/2 pipe diameters above the tank bottom.
Interior surfaces of the reservoir shall be cleaned down to bright metal
and coated with an epoxy-based urethane finish or an approved alternate
that is compatible with oil and water. [After painting, the exterior of
the reservoir shall be insulated with a polystyrene, polyurethane, or
foamglass type insulation. The insulation shall be compatible with oil and
not retain moisture. The insulation thickness shall be 50 mm 2 inches on
all surfaces other than the top.]
2.1.7.1
Reservoir Heater
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NOTE: Proper selection of the hydraulic fluid may
eliminate the need for a reservoir heater.
**************************************************************************
The reservoir shall be provided with one or more screw plug type immersion
heaters with a watt density not to exceed 17 kilowatts per square meter 11
watts per square inch and a [built-in] [remote] thermostat set to maintain
the hydraulic oil at 5 degrees C. 40 degrees F. The heater sheath and
screwplug shall be fabricated from stainless steel. Total heating output
shall be [[_____] watts] at [_____] volts AC. The heater shall be supplied
with a watertight, stainless steel, NEMA 4X terminal housing as a minimum.
2.1.7.2
Magnetic Separators
The manufacturer's standard magnetic separator shall be provided in the
reservoir. The magnetic separator shall consist of a high-strength
permanent magnet arranged for rigid mounting with the poles of the magnet
SECTION 15010A
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