Rate analysis
Providing and fixing double scaffolding system (cup lock type) on the exterior side of building/structure, upto 25 metre height, above ground level, including additional rows of scaffolding in stepped manner as per requirement of site, made with 40mm dia M.S. tube, placed 1.5 metre centre to centre, horizontal & vertical tubes joint with cup & lock system with M.S. Tubes, M.S. tube challis, M.S. clamps and staircase system in the scaffolding for working platform etc. and maintaining it in a serviceable condition for execution of work of cleaning and/ or pointing and/ or applying chemical and removing it thereafter. The scaffolding system shall be stiffened with bracings, runners, connecting with the building etc, wherever required, if feasible, for inspection of work at required locations with essential safety features for the workmen etc., complete as per directions and approval of Engineer-in-charge. Note:- (1) The elevational area of the scaffolding shall be measured for payment purpose. (2) The payment will be made once only for execution of all items for such works.
DSR rate₹338.25as per item analysis
- Item code
- 24.2
- Sub-head
- SH 24 · CONSERVATION
- Unit
- See analysis
- Source row
- 26
Cost components
| Code | Description | Unit | Quantity | Rate | Amount |
|---|---|---|---|---|---|
| Details of cost for area 22.5x9.0=202.50 sqm | |||||
| MATERIAL | |||||
| Assuming shuttering material will become unserviceable after use of 40 times Adding for maintenance @ 10% of cost | |||||
| Taking slvage value after full use of material @ 25% of cost | |||||
| 7397 | Base jack | each | 0.3 | ₹155.00 | ₹46.50 |
| Qty taken for cost of using once =14x0.85/40=0.2975 | |||||
| 4009 | Mild steel tubes hot finished welded type | kilogram | 80.02 | ₹72.00 | ₹5,761.44 |
| Vertical standard 2.5m length=7x2x9x2.5=315.00 m | |||||
| Side support 6.00m length=3x2x6.00=36.00m | |||||
| Horizonatal support 3.00mlength=18x3x3.00=162.00m | |||||
| Total=1026.00m | |||||
| @ 3.67 kg/m =3765.42 kgQty taken for | |||||
| 7387 | Spigot for standard jointing | kg | 2.63 | ₹44.00 | ₹115.72 |
| 7x2x9=126 nos x 0.40m length = 50.40m @2.46kg /m=123.98kgQty taken for cost of using once= 123.98x0.85/40=2.63kg | |||||
| 1034 | Bolts and nuts upto 300 mm in length | quintal | 0.008 | ₹5,200.00 | ₹41.60 |
| 2x7x2x9=252 nos @ 0.15 kg each=37.80 kg =0.378qQty taken for cost of using once= 0.378x0.85/40=0.008q | |||||
| 7346 | Double coupler | each | 2.55 | ₹49.00 | ₹124.95 |
| Clamp coupler for fixing MS tube with scafolding 2x3x2+2x18x3=120 nosQty taken for cost of using once= 120x0.85/40=2.55 nos | |||||
| 7398 | Challies | each | 1.91 | ₹834.00 | ₹1,592.94 |
| 3 nos x 18 lines=54 nosTwo level plate challies=2x18 lines=36nosTotal=90 nos | |||||
| Qty taken for cost of using once=90x0.85/40=1.9125 nos | |||||
| 7399 | Cup lock | each | 27.92 | ₹50.00 | ₹1,396.00 |
| For Vertical standards=(5x7x2x9=630 nos) +(2x18x19=694 nos)Total=1314 nos | |||||
| Qty taken for cost of using once= 1314x0.85/40=27.92 | |||||
| 2205 | Carriage of Steel | tonne | 6.054 | ₹0.00 | ₹0.00 |
| 40mm dia MS pipe=3765.42kg | |||||
| 25mm spigot=123.98kgNuts & | |||||
| bolts=37.80kgclamp=120 nos@1.00kg | |||||
| each=120.00kgChallies=90 nos @ 15.00kg | |||||
| each=1350.00kgCup locks=1314 nos @ | |||||
| 0.50kg each= | |||||
| 657.00kgTotal=6054.20kg=6.054 tonne | |||||
| LABOUR | |||||
| 0116 | Fitter (grade 1) | day | 15.5 | ₹897.00 | ₹13,903.50 |
| 0114 | Beldar | day | 31 | ₹736.00 | ₹22,816.00 |
| 9999 | Sundries | L.S. | 1,035 | ₹2.27 | ₹2,349.45 |
Rate build-up
| cost of using once= 3765.42x0.85/40=80.02kg | — |
| TOTAL | ₹48,148.10 |
| Add 1 % Water charges on "W" | ₹481.48 |
| TOTAL | ₹48,629.58 |
| Add GST on "X" (multiplying factor 0.2127) | ₹10,343.51 |
| TOTAL | ₹58,973.09 |
| Add 15% CPOH on "Y" | ₹8,845.96 |
| TOTAL | ₹67,819.05 |
| Add Cess @ 1% on "Z" | ₹678.19 |
| Cost of 202.50 sqm | ₹68,497.24 |
| Cost of 1.00 sqm | ₹338.26 |
| Say | ₹338.25 |