Page 189 - Industrial Process Plant Construction Estimating and Man Hour Analysis

Coal-fired power plant Chapter 8 165

8.26 FD, ID, primary air fan & pulverized seal air fan installation
man hours

Estimated Actual
BM BM
Fans 0 0
FD fan 0 0
ID fan 0 0
Primary air fan 0 0
Pulverizer seal air fan 0 0
FD, ID, primary air fan, and pulverized seal air fan installation 0 0
man-hours

8.27 General scope of field work required for each bottom ash
handling system

Equipment consists of refractory-lined bottom ash chute and one (1) submerged
ash drag chain conveyor.

Bottom ash chute
Submerged ash drag conveyor with outlet chute
Shipped in sections:
Head section—motor and drive shipped attached to head
Neck section
Transition section
Straight section
Tail section—take up shipped assembled
Scope of work:
Assembly of housing
Assembly of drag chain
Installation of drive units
Pneumatic/hydraulic take-up units, including air piping
Discharge chutes
Grouting
Refractory-lined chute on inlet of submerged ash drag
All water piping to and from submerged ash drag and drains