Extra for additional cost of centering for arches exceeding 6m span including all strutting, bolting, wedging etc. and removal (area of soffit to be measured)
- Item number
- 7.19
- Analysis basis
- 333.1 sqm
- Priced inputs
- 7
- Derived rate
- ₹608.15/ SQM
Under the CPWD Delhi Analysis of Rates 2023 (Civil), item 7.19 (Extra for additional cost of centering for arches exceeding 6m span including all strutting, bolting, wedging etc. and removal (area of soffit to be measured)) is derived from 7 priced inputs for 333.1 sqm and works out to ₹608.15 per sqm after water charges, GST, CPOH and cess. The full build-up is below.
- Centering and shuttering for arches and
- carved surface exceeding 6m in span (an
- average of 8m)
- Radius R = 5m
- 2R-2 = 4+4
- tan -¹ (4/3)=53.28°
- 2x53.28=106°
- Surface area =10x2x3.142x5x3.6x106/360=333.1 sqm.
- Arc=9.25m
- Tie-2x8x0.18x0.05 =0.144cum
- Struts-2x2.5x0.1x0.1 =0.050cum.
- Struts-2x1.77x0.1x0.1=0.035cum.
- Ribs-6x1.54x0.23x0.1=0.213cum.
- Struts-2x1.72x0.1x0.1=0.034cum.
- Total=0.476cum.
- For four such frames =0.476x4 = 1.904
- cum.
- laggings-75x3.6x0.125x0.075=2.531cum.
- Tie-2x3.6x0.225x0.038=0.062cum.
- Brace-3x2x2.14x0.225x0.038=0.110
- Brace-3x4x3.8x0.225x0.038=0.390
- Sleepers-4x3.6x0.20x0.15=0.432
- Sleepers-2x4x3.6x0.175x0.075=0.378
- Vertical post-4x4x3.6x0.15x0.15=1.296
- Total = 7.103cum. Quantity for 10 Nos. =
- 7.103x10 = 71.03 cum
- Qty taken as 1/8th of qty for cost of using
- once = 71.03/8 = 8.879 cum (8879 cudm)
- Bolts 160 Nos. 254 mm long 16mm dia.10x160x.254xl .58=642.1 kg=6.42q.
- Qty taken 1/8th of qty for cost using once
- = 6.42/8 = 0.802 qtl
- Carriage of steel
- Qty taken 1/8th of qty for cost using once
- = 0.878+0.802=1.680 q = 0.168 tonne
- upto 6 m span
- Less Cost of shuttering etc. for an arch
| Code | Type | Input | Unit | Quantity | Rate (INR) | Amount (INR) |
|---|---|---|---|---|---|---|
| 1197 | MAT | Second class kail wood in scantling | 10 cudm | 887.9 | 260.00 | 2,30,854.00 |
| 1225 | MAT | Mild steel flat strap fitting | quintal | 0.878 | 4,120.00 | 3,617.36 |
| 1034 | MAT | Bolts and nuts upto 300 mm in lengthBolts and nuts up to 300 mm in length | quintal | 0.802 | 5,200.00 | 4,170.40 |
| 0112 | LAB | Carpenter 2nd class | day | 280 | 816.00 | 2,28,480.00 |
| 0114 | LAB | Beldar | day | 240 | 736.00 | 1,76,640.00 |
| 9999 | MAT | Sundries | L.S. | 1,345.5 | 2.27 | 3,054.29 |
| SUB | Rate as per item no 5.9.9 of SH : Reinforced cement concrete workRate as per item 5.9.9 | sqm | -333.1 | 2,154.35 | -7,17,613.99 |
- TOTAL
- -70,797.94
- Add 1 % Water charges on “W-A”
- +6,468.16
- TOTAL
- -64,329.78
- Add GST on “X-A” (multiplying factor 0.2127)
- +1,38,953.55
- TOTAL
- 74,623.77
- Add 15% CPOH on “Y-A”
- +1,18,835.66
- TOTAL
- 1,93,459.43
- Add Cess @ 1% on “Z-A”
- +9,110.73
- Cost of 333.1sqm.
- 2,02,570.16
- Cost per sqm of soffit area
- 608.14
- SAY
- ₹608.15
- PUBLISHED BY
- Central Public Works Department (CPWD)
- EDITION
- DAR 2023 · Delhi
- EFFECTIVE
- 2023-09-14Both volumes are dated 14 September 2023 on their title pages.
- RETRIEVED
- 2026-09-08
- GST
- 18%, added in each item's build-up
- PRINTED PAGE
- 365
From the CPWD Delhi Analysis of Rates 2023 (Civil), Volumes I & II, printed page 365. For 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. We can do this for you: send the tender and we return a priced BOQ on the applicable schedule, with rate build-ups and an engineer's sign-off.