Break Up Details (Don's use Rate, its PWD rate 2008)

Supply, fitting & fixing window grills made of M.S. section 3/4" x 3/16" both inner and outer frames.
For 1 No. window grill
Considering 3'-6" x 4'-6" = 15.75 sft. of work
(a) Materials:
(i) 3/4" x 3/16" F.I. bars (@ 0.478 Ibs per rft.) for outer frame:
2 x 4' - 6" = 9 rft.
2 x 3' - 6"= 7 rft.
= 16 rft.
Add wastage 5%= 0.8 rft.
= 16.8 rft.
= 8.03 Ibs. @ 26.76 Per Ib. = 214.88
(ii) 3/4" x 3/16" F.I. bars (@ 0.478 Ibs per rft.) for inner members:
Horizontal: 5 x 3'-6" = 17.5 rft.
Vertical: 4 x 4'-6" = 18 rft.
Diagonal: 30 x 2'-0" = 60 rft.
= 95.5 rft.
Add wastage 5%= 4.775 rft.
= 100.28 rft.
= 47.93 Ibs. @ 26.76 Per Ib. = 1282.61
(b) Workshop charge:
Labour cost for manufacturing, welding including
supply of necessary electrode, cutting steel
to required sizes etc. complete. 15.75 sft. @ 35 Per sft. 551.25
(c) Labour charges:
Labour charges for fitting and fixing in position of grills
(i) Mason 0.33 No. @ 250 each = 82.5
(ii) Skilled labour 0.33 No. @ 200 each = 66
(iii) Cost of screws 3 dzn. @ 12 Per dzn. = 36
(d) Carriage charge for steel materials from market to
workshop and carrying the window grill from
workshop to building site. 1 No. @ 22.5 each = 22.5
Total = 2255.74
Profit 0.1 = 225.57
Overhead 0.035 = 78.95
= 2560.26
Add VAT with adjustment factor 1.04712 0.045 = 120.64
Grand total = 2680.9
Rate per sft. = 170.22
Rate per sqm. = 1832.25
Say, 1832 .00 Per sqm.