Skip to main content

CPWD Analysis of Rates · Roofing

Providing and fixing fibre cement reinforced by organic fibres and/or inorganic synthetic fibres roofing accessories in all colours with polymer coated J or L hooks, bolts and nuts and or G.I. seam bolts and nuts, G.I. plain and bitumen washers or with self drilling fastener and EPDM washer etc. complete

Special north light curves

Item number
12.13.7
Analysis basis
Details of cost for 20 Nos
Priced inputs
9
Derived rate
1,013.85 / no

Under the CPWD Delhi Analysis of Rates 2023 (Civil), item 12.13.7 Providing and fixing fibre cement reinforced by organic fibres and/or inorganic synthetic fibres roofing accessories in all colours with polymer coated J or L hooks, bolts and nuts and or G.I. seam bolts and nuts, G.I. plain and bitumen washers or with self drilling fastener and EPDM washer etc. complete: Special north light curves — is derived from 9 priced inputs for 20 Nos and works out to ₹1,013.85 per no after water charges, GST, CPOH and cess. The full build-up is below.

  • Details of special north light ventilator curve
  • 20.2 metres long complete length
  • Special north light curves of 1.016 metres
  • nominal length = 20 nos. +
  • Total = 21 nos.
  • Add 5% wastage = 1.0 No.
CodeInputUnitQuantityRate (INR)Amount (INR)
0234Fibre reinforced by organic fibres and/or inorganic synthetic fibres cement special north light curvesMaterialeach21600.0012,600.00
1023Galvanised steel J or L hooks 8 mm diaMaterial10 Nos4130.00520.00
1209G.I. plain washer thickMaterial100 Nos0.435.0014.00
1208Bitumen washerMaterial100 Nos0.430.0012.00
9977Carriage of hooks, nuts, washers and curvesMaterialL.S.9.882.2722.43
9999SundriesMaterialL.S.6.242.2714.16
0130MistryLabourday0.1897.0089.70
0112Carpenter 2nd classLabourday0.3816.00244.80
0114BeldarLabourday1736.00736.00
TOTAL
14,253.09
Add 1 % Water charges on “W”
142.53
TOTAL
14,395.62
Add GST on “X” (multiplying factor 0.2127)
3,061.95
TOTAL
17,457.57
Add 15% CPOH on “Y”
2,618.64
TOTAL
20,076.21
Add Cess @ 1% on “Z”
200.76
Cost of 20 nos
20,276.97
Cost of 1.00 no
1,013.85
Say
1,013.85

From the CPWD Delhi Analysis of Rates 2023 (Civil), Volumes I & II, printed page 871. Reference only — CPWD amends rates through correction slips between editions, so verify against the official source before pricing a bid.

Use this rate in a live estimate

This is the CPWD base analysis. A real estimate adjusts it for the project's inputs and the current cost index, then maps it to the tender's BOQ. Arched reads the tender, maps it to the applicable schedule, and flags where the numbers are exposed before submission.

See how estimation works