Manhours for CS piping erection including fitup:

Take: Size of CS pipe spool: 6", spools: 2 Nos., each of 4 Mtr

Qty of erection: 48 IM, at elevation of 10 Mtr

Sr. No. Activity Craft Qty Time

(Hrs.) MHrs Remarks

1 Scaffolding Scaffolders 6 8 48

2 Rigging of spool and

placement in place

Foreman: 0.5

Rigger: 4 4 3 12

3 Bevelling of pipe Gascutter: 0.5

Grinder: 0.5 1 1 1

4 Alignment & Tack welding

Fitter : 1

Helper: 1

Tack welder: 1

3 2 6

5 Contingency @ 20%* 13.4

Total 80.4For 48 IM

A MHrs. Per IM: 1.7