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CPWD Analysis of Rates · Water Proofing

Providing and laying integral cement based treatment for water proofing on the vertical surface by fixing specified stone slab 22 mm to 25 mm thick with cement slurry mixed with water proofing compound conforming to IS:2645 in recommended proportions with a gap of 20 mm (minimum) between stone slabs and the receiving surfaces and filling the gaps with neat cement slurry mixed with water proofing compound and finishing the exterior of stone slab with cement mortar 1:3 (1 cement : 3 coarse sand) 20 mm thick with neat cement punning mixed with water proofing compound in recommended proportion complete at all levels and as directed by Engineer-in-charge

Using rough Kota stone

Item number
22.2.1
Analysis basis
Details of cost for 10.00 sqm
Priced inputs
8
Derived rate
2,024.70 / sqm

Under the CPWD Delhi Analysis of Rates 2023 (Civil), item 22.2.1 Providing and laying integral cement based treatment for water proofing on the vertical surface by fixing specified stone slab 22 mm to 25 mm thick with cement slurry mixed with water proofing compound conforming to IS:2645 in recommended proportions with a gap of 20 mm (minimum) between stone slabs and the receiving surfaces and filling the gaps with neat cement slurry mixed with water proofing compound and finishing the exterior of stone slab with cement mortar 1:3 (1 cement : 3 coarse sand) 20 mm thick with neat cement punning mixed with water proofing compound in recommended proportion complete at all levels and as directed by Engineer-in-charge : Using rough Kota stone — is derived from 8 priced inputs for 10.00 sqm and works out to ₹2,024.70 per sqm after water charges, GST, CPOH and cess. The full build-up is below.

  • Ist layer
  • Kota stone slab = 10 sqm
  • Wastage @ 10% = 1 sqm
  • Total = 11 sqm
  • Cartage 11x0.025 @ 2330 kg/m3 = 0.64t
  • Cement slurry for jointing
  • 4x3.70 = 14.80 m
  • 6x2.70 =16.20 m
  • total=31.00x0.025x0.012 = 0.0093 cum
  • Cement slurry for filling 20 mm gap
  • 10x0.02 = 0.200 cum
  • = 0.2093 cum @ 1440 kg/cum = 301.39 kg or
  • 0.301 tonne
  • Cement plaster 1:3 with neat cement punning
  • Water proofing material
  • Cement slurry = 0.301 t = 301 kg
  • Cement plaster 1:3 @ 13.62 q/100sqm = 136.20
  • kg
  • Total = 437.20 kg =8.74 bags of 50 kg of cement
  • Fixing of Kota stone and applying cement slurry.
CodeInputUnitQuantityRate (INR)Amount (INR)
1169Kotastone slab 25mm thick (rough cheseled)Kota stone slab 25 mm thick (rough chiseled)Materialsqm11280.003,080.00
0367Portland Cement (OPC-43 grade)Materialtonne0.3015,156.001,551.96
Rate as per item no 13.9.2 of SH : FinishingRate as per item 13.9.2Sub-analysissqm10587.205,872.00
1213Water proofing materials@0.10 kg per 50 kg of cement usedWater proofing materialsMaterialkilogram0.8745.0039.15
0125Mason (for plain stone work) 2nd classLabourday3816.002,448.00
0114BeldarLabourday3736.002,208.00
0115CoolieLabourday1736.00736.00
9999Sundries and scaffoldingMaterialL.S.18.22.2741.31
TOTAL
15,976.42
Add 1 % Water charges on “W-A”
101.04
TOTAL
16,077.46
Add GST on “X-A” (multiplying factor 0.2127)
2,170.70
TOTAL
18,248.16
Add 15% CPOH on “Y-A”
1,856.42
TOTAL
20,104.58
Add Cess @ 1% on “Z-A”
142.33
Cost for 10.00sqm
20,246.91
Cost for 1 sqm
2,024.69
Say
2,024.70

From the CPWD Delhi Analysis of Rates 2023 (Civil), Volumes I & II, printed page 1846. Reference only — CPWD amends rates through correction slips between editions, so verify against the official source before pricing a bid.

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