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CPWD Analysis of Rates · Conservation of Heritage Buildings

Cleaning the sand stone surface and removing dirt, dust, bird dropping, grease, oil, algae, fungus, monkey beats, vegetable growth etc., including providing, applying and washing the surface with liquid Ammonia Chemical of 5% solution and other chemical cleaning agent as approved by Archaeological Survey of India/ Engineer-in-charge, of approved brand and manufacturer, with the help of required scrubbers and also cleaning with machine operated water jet mixed with desired quantity of fine silica where ever required, without causing any scratching/ damage to the stone surface and finally washing the surface with clean water with the help of pressure jet machine, complete in all respect, including taking all precautions to safeguard ventilators, windows, doors etc. by suitable covering so as to avoid any damage to the building/structure, all as per direction of Engineer-in-charge (The rate is inclusive of all materials & labours involved except scaffolding)

CPWD DAR 2023›Conservation of Heritage Buildings
Item number
24.3
Analysis basis
Detail of cost for 10 sqm
Priced inputs
10
Derived rate
₹211.05 / sqm

Under the CPWD Delhi Analysis of Rates 2023 (Civil), item 24.3 — Cleaning the sand stone surface and removing dirt, dust, bird dropping, grease, oil, algae, fungus, monkey beats, vegetable growth etc., including providing, applying and washing the surface with liquid Ammonia Chemical of 5% solution and other chemical cleaning agent as approved by Archaeological Survey of India/ Engineer-in-charge, of approved brand and manufacturer, with the help of required scrubbers and also cleaning with machine operated water jet mixed with desired quantity of fine silica where ever required, without causing any scratching/ damage to the stone surface and finally washing the surface with clean water with the help of pressure jet machine, complete in all respect, including taking all precautions to safeguard ventilators, windows, doors etc. by suitable covering so as to avoid any damage to the building/structure, all as per direction of Engineer-in-charge (The rate is inclusive of all materials & labours involved except scaffolding) — is derived from 10 priced inputs for 10 sqm and works out to ₹211.05 per sqm after water charges, GST, CPOH and cess. The full build-up is below.

  • 1 kg teepal of 3% solution for 10 sqm area
  • for 10sqm = 0.10 litre
  • LABOUR (for applying the camical Salution)
  • LABOUR (for pressure cleaning)
CodeInputUnitQuantityRate (INR)Amount (INR)
7767Stone cleaning chemical approved by ASIMateriallitre0.1300.0030.00
7771Liquid Amonia 5%Liquid Ammonia 5%Materiallitre0.17150.0025.50
0103Blacksmith 2nd classLabourday0.2816.00163.20
0114BeldarLabourday0.2736.00147.20
0128MateLabourday0.1816.0081.60
9999Cleaning T & P & its manitinance cost (Jet Pump, electrice cable, horse pipe, waler pipe, Nozel safety belt Rope & mantance cost and safety machine for window etc.)MaterialL.S.12.272.27
6501Sand zone V (Jamuna)Materialcum0.0281,320.0036.96
0131PainterLabourday0.4816.00326.40
0114BeldarLabourday0.8736.00588.80
0128MateLabourday0.1816.0081.60
TOTAL
1,483.53
Add 1 % Water charges on “W”
14.84
TOTAL
1,498.37
Add GST on “X” (multiplying factor 0.2127)
318.70
TOTAL
1,817.07
Add 15% CPOH on “Y”
272.56
TOTAL
2,089.63
Add Cess @ 1% on “Z”
20.90
Cost of 10.00 sqm
2,110.53
Cost of 1.00 sqm
211.05
Say
211.05

From the CPWD Delhi Analysis of Rates 2023 (Civil), Volumes I & II, printed page 1891. Reference only — CPWD amends rates through correction slips between editions, so verify against the official source before pricing a bid.

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