CPWD Analysis of Rates · Stone Work
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
- Details of cost for 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 | Input | Unit | Quantity | Rate (INR) | Amount (INR) |
|---|---|---|---|---|---|
| 1197 | Second class kail wood in scantlingMaterial | 10 cudm | 887.9 | 260.00 | 2,30,854.00 |
| 1225 | Mild steel flat strap fittingMaterial | quintal | 0.878 | 4,120.00 | 3,617.36 |
| 1034 | Bolts and nuts upto 300 mm in lengthBolts and nuts up to 300 mm in lengthMaterial | quintal | 0.802 | 5,200.00 | 4,170.40 |
| 0112 | Carpenter 2nd classLabour | day | 280 | 816.00 | 2,28,480.00 |
| 0114 | BeldarLabour | day | 240 | 736.00 | 1,76,640.00 |
| 9999 | SundriesMaterial | L.S. | 1,345.5 | 2.27 | 3,054.29 |
| Rate as per item no 5.9.9 of SH : Reinforced cement concrete workRate as per item 5.9.9Sub-analysis | 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
From the CPWD Delhi Analysis of Rates 2023 (Civil), Volumes I & II, printed page 365. Reference only — CPWD amends rates through correction slips between editions, so verify against the official source before pricing a bid.
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