TM 5-810-15
Table 8-1. Piping Design Notes. (Continued)
Typical Design
System
Origin
Termination
Press. & Temp.
Design Notes
Condensate
Condensate
Condensate stor-
10 psig
Breakdown orifice required for each pump.
makeup pump
makeup pump
age tank
100 degrees
recirculation
discharge
Treated water
Water treatment
Condensate stor-
10 psig
No insulation required.
system
age tank
60 degrees F
Condensate re-
Process
Condensate stor-
As required
Insulate for thermal efficiency.
turn
age tank
Potable water
Water main
Restrooms, lock-
50 psig
Piping must be sanitized before use. No insulation re-
ers, drinking
60 degrees F
quired.
fountains, etc.
Service water
Water main
Air compressors,
50 psig
No insulation required.
aftercoolers
60 degrees F
Trap return
Steam traps
Waste or drain
150 psig
Insulate for burn protection.
375 degrees F
Fire protection
Water main or
Sprinklers and
150 psig
No insulation required. All valves OS&Y type FM ap-
service water
hose stations
60 degrees F
proved.
Floor and roof
Drain hubs
Within 15 feet
50 psig
Slope pipe " per 100 ft. Provide cleanouts, use lateral
drains
outside building
60 degrees F
fittings, avoid sharp turns. Coat where buried.
Sanitary drains
Restrooms,
100 psig
Slope pipe " per 100 ft. Provide cleanouts, use lateral
lockers, drinking
60 degrees F
fittings, avoid sharp turns.
fountains, etc.
Ash sluice water
Ash pond
Bottom ash hop-
60 degrees F
No insulation required.
per
Bottom ash water Bottom ash
Ash handling
150 psig
No insulation required.
hopper
equipment
100 degrees F
Nitrogen bottle
Boiler drums
150 psig
No insulation required.
manifold
60 degrees F
Coal bunker &
Gas bottle
Coal bunkers &
150 psig
No insulation required.
pulverizer inert-
manifold
pulverizers
60 degrees F
ing gas
Ignitor fuel
Fuel oil storage
Ignitors
As required
No insulation required.
tank
Chemical feed
Chemical feed
Boiler drum, de-
450 psig
Strainers on pump suction and check valves on pump
pumps
aerator
(boiler drum)
discharge required. No insulation required.
10 psig
(deaerator)
60 degrees F
Samples
Boiler drum,
Water analysis
400 psig
Sample coolers required on boiler drum.
deaerator
equipment
(boiler drum
feedwater
main steam)
450 psig FW
450 degrees F
boiler drum
230 degrees F
DA FW
Fly ash
Fly ash hoppers
Ash handling
As required
Insulate where cooler climates may develop condensa-
tion in pipe.
8-3
Previous Page
