CPWD Analysis of Rates · Repairs to Buildings
Providing and laying in situ seven course water proofing treatment with APP (Atactic Polypropylene) modified Polymeric memberane over roof consisting of first coat of bitumen primer @ 0.40 litre per sqm, 2nd, 4th & 6th courses of bonding material @ 1.20 kg/sqm, which shall consist of blown type bitumen of grade 85/25 conforming to IS : 702, 3rd and 5th layers of roofing membrane APP modified Polymeric membrane 2.0 mm thick of 3.00 Kg/sqm weight consisting of five layers prefabricated with centre core as 100 micron HMHDPE film sandwiched on both sides with polymeric mix and the polymeric mix is protected on both side with 20 micron HMHDPE film. 7th, the top most layer shall be finished with brick tiles of class designation 10 grouted with cement mortar 1:3 (1 cement : 3 fine sand) mixed with 2% integral water proofing compound by weight of cement over a 12 mm layer of cement mortar 1:3 ( 1 cement : 3 fine sand) and finished neat (item of laying brick tiles shall be paid for separately)
- Item number
- 14.88
- Analysis basis
- Details of cost for 30 sqm
- Priced inputs
- 10
- Derived rate
- ₹855.70 / sqm
Under the CPWD Delhi Analysis of Rates 2023 (Civil), item 14.88 — Providing and laying in situ seven course water proofing treatment with APP (Atactic Polypropylene) modified Polymeric memberane over roof consisting of first coat of bitumen primer @ 0.40 litre per sqm, 2nd, 4th & 6th courses of bonding material @ 1.20 kg/sqm, which shall consist of blown type bitumen of grade 85/25 conforming to IS : 702, 3rd and 5th layers of roofing membrane APP modified Polymeric membrane 2.0 mm thick of 3.00 Kg/sqm weight consisting of five layers prefabricated with centre core as 100 micron HMHDPE film sandwiched on both sides with polymeric mix and the polymeric mix is protected on both side with 20 micron HMHDPE film. 7th, the top most layer shall be finished with brick tiles of class designation 10 grouted with cement mortar 1:3 (1 cement : 3 fine sand) mixed with 2% integral water proofing compound by weight of cement over a 12 mm layer of cement mortar 1:3 ( 1 cement : 3 fine sand) and finished neat (item of laying brick tiles shall be paid for separately) — is derived from 10 priced inputs for 30 sqm and works out to ₹855.70 per sqm after water charges, GST, CPOH and cess. The full build-up is below.
- APP modified polymeric felt (two layers) 2.0
- mm thick = 2x30 = 60 sqm
- Total = 66 sqm
- 0.4x30 = 12
- 3course x 36 = 108 kg = 0.108 tonne
- Add 10% wastage = 6 sqm
| Code | Input | Unit | Quantity | Rate (INR) | Amount (INR) |
|---|---|---|---|---|---|
| 8201 | A.P.P. modified polymeric felt (two layers) 2 mm thickMaterial | sqm | 66 | 130.00 | 8,580.00 |
| 0316 | Bitumen solution primer of approved qualityMaterial | litre | 12 | 50.00 | 600.00 |
| 0313 | Blown type petroleum bitumen of penetration 85/25 of approved qualityMaterial | tonne | 0.108 | 38,250.00 | 4,131.00 |
| 9977 | Carriage of polymeric feltMaterial | L.S. | 7.8 | 2.27 | 17.71 |
| 0370 | Coal (steam)Material | quintal | 0.174 | 500.00 | 87.00 |
| 9999 | Preparing roof surface, cutting grooves and making good the sameMaterial | L.S. | 134.55 | 2.27 | 305.43 |
| 0131 | PainterLabour | day | 2.16 | 816.00 | 1,762.56 |
| 0114 | BeldarLabour | day | 3.24 | 736.00 | 2,384.64 |
| 0130 | MistryLabour | day | 0.18 | 897.00 | 161.46 |
| 9999 | Sundries, brushes etcMaterial | L.S. | 6.76 | 2.27 | 15.35 |
- TOTAL
- 18,045.15
- Add 1 % Water charges on “W”
- 180.45
- TOTAL
- 18,225.60
- Add GST on “X” (multiplying factor 0.2127)
- 3,876.59
- TOTAL
- 22,102.19
- Add 15% CPOH on “Y”
- 3,315.33
- TOTAL
- 25,417.52
- Add Cess @ 1% on “Z”
- 254.18
- Cost for 30 sqm
- 25,671.70
- Cost for 1 sqm
- 855.72
- Say
- 855.70
From the CPWD Delhi Analysis of Rates 2023 (Civil), Volumes I & II, printed page 1092. Reference only — CPWD amends rates through correction slips between editions, so verify against the official source before pricing a bid.
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