2.14.1.1
Coating
Surface blast interior of tank to bare metal and coat with a bake-on
phenolic lining or corrosion resistant liner consisting of a resin and
hardener suitable for immersion in water at not less than 121 degrees C 250
degrees F. Coat exterior of tank with one shop coat of manufacturer's
standard primer rated for service of not less than 121 degrees C 250
degrees F.
2.14.1.2
Accessories
Provide condensate receiver with the following:
a.
Connections for condensate pumped return, vent, water outlet,
drain, sampling outlet, level transmitter and controls.
b.
[_____] mm inch vent.
c.
Reflex type water gage glasses with shutoff valves and guards.
d.
One, 125 mm 5 inch dial, thermometer, 10 to 149 degrees C 50 to
300 degree F range, with lagging extension type wells, for steam
and water space.
e.
[_____] mm inch overflow trap.
f.
One high water alarm switch with stainless steel float and trim.
Circuit shall close as liquid level rises. Locate switch to close
circuit when water level rises to 25 mm one inch below overflow
level of receiver.
g.
One low water alarm switch with stainless steel float and trim.
Circuit shall close as liquid level falls. Locate switch to close
circuit when water level drops to 25 percent of the storage
capacity of the storage tank.
h.
Install switches on a single column with valved connections to
tank. Provide unions in pipe on each side of each float switch.
i.
Furnish pipe, fittings, controls, specialties, bolts, gaskets,
drains, valves, necessary for a complete unit and install at
jobsite.
j.
Provide automatic control system to control level in condensate
tank by modulating discharge from condensate pumps.
2.14.2
Deaerating Heater
Provide a deaerating feedwater heater with storage tank conforming to FS
W-H-2904, except as modified below and to ASME BPVC SEC VIII D1. Tank
shall be ASME Code stamped. Provide stainless steel trays. No test model
will be required.
a.
Model A - Pressurized operation.
b.
Type I
- Tray-type heating and deaerating element.
c.
Class 3 - 10 minute water storage capacity (minimum).
SECTION 15501N
Page 120
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