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CPWD Analysis of Rates · Drainage

Dismantling of manhole including R.C.C. top slab, C.I. cover with frame, including stacking of useful materials near the site and disposal of unserviceable materials within 50 m lead as per direction of Engineer-in-charge

Rectangular manhole 90x80 cm and 45 cm deep

CPWD DAR 2023›Drainage
Item number
19.24.1
Analysis basis
Details of cost of a manhole 90x80 cm
Priced inputs
5
Derived rate
₹2,540.85

Under the CPWD Delhi Analysis of Rates 2023 (Civil), item 19.24.1 — Dismantling of manhole including R.C.C. top slab, C.I. cover with frame, including stacking of useful materials near the site and disposal of unserviceable materials within 50 m lead as per direction of Engineer-in-charge: Rectangular manhole 90x80 cm and 45 cm deep — is derived from 5 priced inputs and works out to ₹2,540.85 after water charges, GST, CPOH and cess. The full build-up is below.

  • and 45 cm deep
  • Dismantling of cement concrete 1:4:8 (1
  • cement : 4 coarse sand 8 : aggregate
  • stone 40 mm nominal size)
  • 1.51x1.41x0.20 m = 0.426 cum Say 0.43
  • cum
  • Dismantling of secon class brick work in
  • cement mortar 1:4 (1 cement : 4 coarse
  • sand)
  • 4.32x0.23x0.35 m = 0.348 cum
  • (-) 0.008 cum
  • Net Qty 0.348 - 0.008 = 0.340 cum
  • Dismantling cement concrete 1:2:4 ( 1
  • cement : 2 coarse sand : 4 graded stone
  • aggregate 20 mm nominal size)
  • For benching 2x0.90x(0.80/2)
  • x(0.30+0.20)/2 = 0.18 cum
  • (-) 0.02 cum
  • Net qty= 0.16 cum
  • Dismantling of R.C.C slab of 1:2:4 (1
  • cement : 2 coarse sand : 4 grade stone
  • aggregate 20 mm nominal size)
  • For slab : 1.36x1.26x0.15m = 0.257 cum
  • 0.042 cum
  • Net qty= 0.215 cum Say 0.22 cum
  • Less for pipe 2x3.14x(0.15m)² x0.23m =
  • Less for pipe 1x0.90x3.14/4x(0.15m)² =
  • Less for cover 0.61x0.455x0.15m = (-)
CodeInputUnitQuantityRate (INR)Amount (INR)
Rate as per item no. 15.2.2 of SH : Dismantling and demolishingRate as per item 15.2.2Sub-analysiscum0.431,503.60646.55
Rate as per item no. 15.7.4 of SH :dismantling and dimolishingRate as per item 15.7.4Sub-analysiscum0.342,060.20700.47
Rate as per item no. 15.2.1 of SH : Dismantling and demolishingRate as per item 15.2.1Sub-analysiscum0.162,434.25389.48
Rate as per item no 15.3 of SH : Demolishing and dismantlingRate as per item 15.3Sub-analysiscum0.223,551.25781.28
9999Removal of C.I. Cover with frameMaterialL.S.7.152.2716.23
TOTAL
2,534.01
Add 1 % Water charges on “W-A”
0.16
TOTAL
2,534.17
Add GST on “X-A” (multiplying factor 0.2127)
3.49
TOTAL
2,537.66
Add 15% CPOH on “Y-A”
2.98
TOTAL
2,540.64
Add Cess @ 1% on “Z-A”
0.23
Cost of one no
2,540.87
Say
2,540.85

From the CPWD Delhi Analysis of Rates 2023 (Civil), Volumes I & II, printed page 1754. Reference only — CPWD amends rates through correction slips between editions, so verify against the official source before pricing a bid.

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