g.
Steam turbines and their drives
h.
Continuous blowdown system
i.
Chemical feed units
j.
k.
Air dryers
l.
m.
Plant heating and ventilation equipment showing related ductwork
1.4.2.3
Stokers
Include the following:
a.
General arrangement
b.
Foundation drawings
c.
Front plates
d.
Ash hoppers
e.
Fuel gate mechanism
f.
Grate details
g.
Zone dampers
h.
Air seal details
i.
Overfire air nozzle arrangement, overfire air fan and drives
j.
Coal feeder details
k.
Fuel feeder drives
l.
Piping schematics
m.
Wiring schematics
n.
Access doors
1.4.2.4
Ash Handling System
Include the following:
a.
General arrangement
b.
Construction details ash storage silo complete with loading
diagrams
c.
Control panel arrangement and schematics
d.
Wiring and control diagrams
SECTION 15502N
Page 37