Skip to main content

CPWD Analysis of Rates · Drainage

Making connection of drain or sewer line with existing manhole including breaking into and making good the walls, floors with cement concrete 1:2:4 mix (1 cement : 2 coarse sand : 4 graded stone aggregate 20 mm nominal size) cement plastered on both sides with cement mortar 1:3 (1 cement : 3 coarse sand), finished with a floating coat of neat cement and making necessary channels for the drain etc. complete

For pipes 350 to 450 mm diameter

Item number
19.21.3
Analysis basis
Details of cost for one connection
Priced inputs
6
Derived rate
1,328.45 / one connection

Under the CPWD Delhi Analysis of Rates 2023 (Civil), item 19.21.3 Making connection of drain or sewer line with existing manhole including breaking into and making good the walls, floors with cement concrete 1:2:4 mix (1 cement : 2 coarse sand : 4 graded stone aggregate 20 mm nominal size) cement plastered on both sides with cement mortar 1:3 (1 cement : 3 coarse sand), finished with a floating coat of neat cement and making necessary channels for the drain etc. complete : For pipes 350 to 450 mm diameter — is derived from 6 priced inputs for one connection and works out to ₹1,328.45 per one connection after water charges, GST, CPOH and cess. The full build-up is below.

  • Cement concrete 1:2:4 mix ( 1 cement :
  • 2 coarse sand : 4 grade stone aggregate
  • 20 mm nominal size )
  • = 0.50x0.50x0.30 m = 0.075 cum
  • 0.048 cum
  • = 0.027 cum Say 0.03 cum
  • 12 mm cement plater 1:3 ( 1 cement : 3
  • coarse sand ) finished with a floating coat
  • of neat cement
  • 2x0.55x0.55 =0.605 sqm Say 0.60 sqm
  • (For cutting holes average size 30x30 cm
  • in 23 cm thick wall and making channel
  • etc.)
  • Less pipe = 1/2x3.14x0.45x0.45x0.30 =
CodeInputUnitQuantityRate (INR)Amount (INR)
Rate as per item no. 4.1.3 of SH : Concrete WorkRate as per item 4.1.3Sub-analysiscum0.037,878.50236.36
Rate as per item no 13.9.1 of SH : FinishingRate as per item 13.9.1Sub-analysissqm0.6449.55269.73
0123Mason 1st classMason 1st classLabourday0.16897.00143.52
0124Mason 2nd classMason 2nd classLabourday0.16816.00130.56
0114BeldarLabourday0.33736.00242.88
9999Add for delay sundries etc.MaterialL.S.26.912.2761.09
TOTAL
1,084.14
Add 1 % Water charges on “W-A”
5.78
TOTAL
1,089.92
Add GST on “X-A” (multiplying factor 0.2127)
124.18
TOTAL
1,214.10
Add 15% CPOH on “Y-A”
106.20
TOTAL
1,320.30
Add Cess @ 1% on “Z-A”
8.14
Cost for 1 connection
1,328.44
Say
1,328.45

From the CPWD Delhi Analysis of Rates 2023 (Civil), Volumes I & II, printed page 1749. 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