Page 212 - Industrial Process Plant Construction Estimating and Man Hour Analysis

188 Industrial Process Plant Construction Estimating and Man-Hour Analysis

9.2 General scope of field work required for each receiver

Scope of Work-Field Erection
Assemble L1, L2, and L3 core columns with crossbeams and cross braces
Lift and install deck crossbeams between columns
Lift L3 primary sun assembly with columns
Lift and install all secondary steel and install grating, handrails, and ladders
Lift and install all roof deck secondary steel and install grating, handrails,
and ladders
Lift and seal weld crane base plate and roof deck diamond plates
Install crossbeams
Bolted connections—crossbeams
Lift ECV, load, haul, and set ECV
Connect vertical struts to ECV ring girder
Weld bumper plates to bumper stubs
EVC in final position
Set receiver sections on top of 600 ft tower
Connect L1, L2, and L3 core columns at splice

9.3 Receiver estimate data
9.3.1 Assemble and erect core columns and cross-braces sheet 1

Description MH Unit

Assemble columns; W10 77 39 0 6.5 Ton
Install crossbeams; W10 49 10 0 6.5 Ton
Install crossbeams; W16 40 10 0 6.5 Ton
Install crossbeams; W10 50 10 0 6.5 Ton
Install cross braces HSS8x8x.500 1.5 EA
Bolted connections—cross braces 1.5 EA
Lift and set 20 EA
Make up anchor bolts 8 ea. 0.5 EA

9.3.2 Install secondary steel, platforms and ladders sheet 2

Description MH Unit
W6x12 1.50 Ton
Bolted connections 1.00 EA
Install grating 0.20 SF
Install handrail 0.27 LF
Install caged ladder 0.35 LF
MC7x19.1 1.50 Ton
Bolted connections 1.00 EA
Weld mounting hardware 100.0 EA