Page 222 - Industrial Process Plant Construction Estimating and Man Hour Analysis

198 Industrial Process Plant Construction Estimating and Man-Hour Analysis

9.21 General scope of field work required for each air cooled
condenser

Air Cooled Condenser
Scope of Work-Field Erection
Off-load and store ACC equipment (transport material to work area)
Erect structural steel incl. stairs and access platforms
Erect structural steel modules 1–6
Fan duct support steel modules 1–6
Preassemble stairways at grade and set and secure
Preassemble external walkways at grade and set and bolt up
Upper structure A-frame steelwork
Field assemble fan deck incl. fans, gearbox’s and fan cowls
Fan inlet cowl and fan screens
Motor support bridge
Erect and install wind wall
Erect and weld tube bundles
Erect and weld condensate headers
Field assemble street steam duct
Erect and weld interconnecting street pipe
Erect weld interconnecting equipment pipe
Field assemble transition duct to steam turbine
Field assemble street steam duct
Field assemble risers
Erect and weld out risers
Set and assemble shop tanks
Set and assemble pumps
Erect and weld out transition to steam turbine
Set and connect steam jet air ejectors
Pneumatic testing