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CPWD Analysis of Rates · Roofing

Providing & fixing UV stabilised fiberglass reinforced plastic sheet roofing up to any pitch, including fixing with polymer coated ‘J’ or ‘L’ hooks, bolts & nuts 8mm dia. G.I plain/bitumen washers complete but excluding the cost of purlins, rafters, trusses etc. The sheets shall be manufactured out of 2400 TEX panel rovigs incorporating minimum 0.3% ultra-violet stabiliser in resin system under approximately 2400 psi and hot cured. They shall be of uniform pigmentation and thickness without air pockets and shall conform to IS 10192 and IS 12866.The sheets shall be opaque or translucent, clear or pigmented, textured or smooth as specified

2 mm thick corrugated (2.5” or 4.2” or 6”) or step-down (2” or 3” or 6” ) as specified

CPWD DAR 2023›Roofing
Item number
12.47.1
Analysis basis
Details of cost for area of roof.
Priced inputs
11
Derived rate
₹1,401.35 / Sqm

Under the CPWD Delhi Analysis of Rates 2023 (Civil), item 12.47.1 — Providing & fixing UV stabilised fiberglass reinforced plastic sheet roofing up to any pitch, including fixing with polymer coated ‘J’ or ‘L’ hooks, bolts & nuts 8mm dia. G.I plain/bitumen washers complete but excluding the cost of purlins, rafters, trusses etc. The sheets shall be manufactured out of 2400 TEX panel rovigs incorporating minimum 0.3% ultra-violet stabiliser in resin system under approximately 2400 psi and hot cured. They shall be of uniform pigmentation and thickness without air pockets and shall conform to IS 10192 and IS 12866.The sheets shall be opaque or translucent, clear or pigmented, textured or smooth as specified 2 mm thick corrugated (2.5” or 4.2” or 6”) or step-down (2” or 3” or 6” ) as specified — is derived from 11 priced inputs for area of and works out to ₹1,401.35 per sqm after water charges, GST, CPOH and cess. The full build-up is below.

  • 2x18.09x5.1 = 184.518 sqm.
  • G.I.Seam bolts and nuts 60cm centre to
  • centre zig-zag i.e. 30cm centre to centre
  • straight Breadth is 5.1metre
  • No. of bolts in one lap 5.1/0.3 =17 nos.
  • 2x26(laps)x17 nos. = 884 nos.
  • G.I.,J or L hooks 8mm dia.
  • (No. of purlins to be used 5 on either
  • side)2x5x27
  • (No. of sheets)x23 nos. of bolts in each
  • sheet = 810 nos.
  • (total of seam and J bolts)
  • 884+810= 1694
CodeInputUnitQuantityRate (INR)Amount (INR)
8668UV stabilised 2 mm thick corrugated FRP sheetMaterialsqm240.408588.001,41,359.90
9977Carriage of sheetMaterialL.S.1042.27236.08
1022Galvanised steel bolts & nuts 6 mm dia and 25 mmlong round head with slotsGalvanised steel bolts & nuts 6 mm dia and 25 mm long round head with slotsMaterial10 Nos88.438.003,359.20
1023Galvanised steel J or L hooks 8 mm diaMaterial10 Nos81130.0010,530.00
1207G.I. Limpet washerMaterial100 Nos16.9421.00355.74
1208Bitumen washerMaterial100 Nos16.9430.00508.20
9977Carriage of bolts and washersMaterialL.S.26.912.2761.09
9999SundriesMaterialL.S.53.822.27122.17
0130MistryLabourday1.3897.001,166.10
0112Carpenter 2nd classLabourday15.5816.0012,648.00
0114BeldarLabourday15.5736.0011,408.00
TOTAL
1,81,754.48
Add 1 % Water charges on “W”
1,817.54
TOTAL
1,83,572.02
Add GST on “X” (multiplying factor 0.2127)
39,045.77
TOTAL
2,22,617.79
Add 15% CPOH on “Y”
33,392.67
TOTAL
2,56,010.46
Add Cess @ 1% on “Z”
2,560.10
Cost of 184.518 Sqm.
2,58,570.56
Cost of 1 Sqm.
1,401.33
Say
1,401.35

From the CPWD Delhi Analysis of Rates 2023 (Civil), Volumes I & II, printed page 909. Reference only — CPWD amends rates through correction slips between editions, so verify against the official source before pricing a bid.

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