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R/DAR 2023

Providing and fixing precoated galvanised iron profile sheets (size, shape and pitch of corrugation as approved by Engineer-in-Charge) of total coated thickness 0.50mm (base metal of minimum 0.45mm thickness with total coating thickness of 0.05mm) with zinc coating 120 grams per sqm as per IS: 277, in 240 mpa steel grade, 5-7 microns epoxy primer on both side of the sheet and polyester top coat 15-18 microns. Sheet should have protective guard film of 25 microns minimum to avoid scratches during transportation and should be supplied in single length upto 12 metre or as desired by Engineer-in-charge. The sheet shall be fixed using self drilling /self tapping screws of size (5.5x 55 mm) with EPDM seal, complete upto any pitch in horizontal/ vertical or curved surfaces, excluding the cost of purlins, rafters and trusses and including cutting to size and shape wherever required

Item number
12.50
Analysis basis
Details of cost of 216.14 sqm.
Priced inputs
10
Derived rate
₹738.65/ SQM
D-01/RATE ANALYSISITEM 12.50

Under the CPWD Delhi Analysis of Rates 2023 (Civil), item 12.50 (Providing and fixing precoated galvanised iron profile sheets (size, shape and pitch of corrugation as approved by Engineer-in-Charge) of total coated thickness 0.50mm (base metal of minimum 0.45mm thickness with total coating thickness of 0.05mm) with zinc coating 120 grams per sqm as per IS: 277, in 240 mpa steel grade, 5-7 microns epoxy primer on both side of the sheet and polyester top coat 15-18 microns. Sheet should have protective guard film of 25 microns minimum to avoid scratches during transportation and should be supplied in single length upto 12 metre or as desired by Engineer-in-charge. The sheet shall be fixed using self drilling /self tapping screws of size (5.5x 55 mm) with EPDM seal, complete upto any pitch in horizontal/ vertical or curved surfaces, excluding the cost of purlins, rafters and trusses and including cutting to size and shape wherever required) is derived from 10 priced inputs and works out to ₹738.65 per sqm after water charges, GST, CPOH and cess. The full build-up is below.

NOTES
  • Consider a shed of 20x10 metres. (External
  • dimensions of plinth).
  • Area of roof20.2x10.70m = 216.14 sqm.
  • Sheets used = 20 nos.x10.70mx1.06m =
  • 226.84sqm
  • Total = 233.65sqm.
  • Add 3% wastage = 6.81
ANALYSIS OF RATES · ITEM 12.50DETAILS OF COST OF 216.14 SQM
CodeTypeInputUnitQuantityRate (INR)Amount (INR)
8671MATPrecoated galvanised iron profile sheet 0.50 mm TCTsqm233.65380.0088,787.00
9977MATCarriage of sheetsL.S.1042.27236.08
1023MATGalvanised steel J or L hooks 8 mm dia10 Nos47.6130.006,188.00
1208MATBitumen washer100 Nos4.7630.00142.80
1209MATG.I. plain washer thick100 Nos4.7635.00166.60
9977MATCarriage of bolts and nuts, washers etc.L.S.8.062.2718.30
9999MATSundriesL.S.39.522.2789.71
0130LABMistryday2.34897.002,098.98
0112LABCarpenter 2nd classday9.34816.007,621.44
0114LABBeldarday9.34736.006,874.24
BUILD-UP TO RATE
TOTAL
1,12,223.15
Add 1 % Water charges on “W”
+1,122.23
TOTAL
1,13,345.38
Add GST on “X” (multiplying factor 0.2127)
+24,108.56
TOTAL
1,37,453.94
Add 15% CPOH on “Y”
+20,618.09
TOTAL
1,58,072.03
Add Cess @ 1% on “Z”
+1,580.72
Cost of 216.14 sqm.
1,59,652.75
Cost of 1.00 sqm.
738.65
SAY
₹738.65
D-02/SOURCEPRINTED PAGE 912
PUBLISHED BY
Central Public Works Department (CPWD)
EDITION
DAR 2023 · Delhi
EFFECTIVE
2023-09-14Both volumes are dated 14 September 2023 on their title pages.
RETRIEVED
2026-09-08
GST
18%, added in each item's build-up
PRINTED PAGE
912

From the CPWD Delhi Analysis of Rates 2023 (Civil), Volumes I & II, printed page 912. For reference only. CPWD amends rates through correction slips between editions, so verify against the official source before pricing a bid.

D-03/ADJACENT ITEMSROOFING
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