Rate analysis
Providing and fixing precoated galvanised iron profile sheets (size, shape and pitch of corrugation as approved by Engineer-in-Charge) of total coated thickness 0.50mm (base metal of minimum 0.45mm thickness with total coating thickness of 0.05mm) with zinc coating 120 grams per sqm as per IS: 277, in 240 mpa steel grade, 5-7 microns epoxy primer on both side of the sheet and polyester top coat 15-18 microns. Sheet should have protective guard film of 25 microns minimum to avoid scratches during transportation and should be supplied in single length upto 12 metre or as desired by Engineer-in-charge. The sheet shall be fixed using self drilling /self tapping screws of size (5.5x 55 mm) with EPDM seal, complete upto any pitch in horizontal/ vertical or curved surfaces, excluding the cost of purlins, rafters and trusses and including cutting to size and shape wherever required.
DSR rate₹738.65as per item analysis
- Item code
- 12.5
- Sub-head
- SH 12 · ROOFING
- Unit
- See analysis
- Source row
- 2738
Cost components
| Code | Description | Unit | Quantity | Rate | Amount |
|---|---|---|---|---|---|
| Details of cost of 216.14 sqm. | |||||
| Consider a shed of 20x10 metres. (External dimensions of plinth). | |||||
| Area of roof- | |||||
| 20.2x10.70m = 216.14 sqm. | |||||
| MATERIAL | |||||
| Sheets used = 20 nos.x10.70mx1.06m = 226.84sqm | |||||
| Add 3% wastage = 6.81 | |||||
| Total = 233.65sqm. | |||||
| 8671 | Precoated galvanised iron profile sheet 0.50 mm TCT | sqm | 233.65 | ₹380.00 | ₹88,787.00 |
| 9977 | Carriage of sheets | L.S. | 104 | ₹2.27 | ₹236.08 |
| 1023 | Galvanised steel J or L hooks 8 mm dia | 10 Nos | 47.6 | ₹130.00 | ₹6,188.00 |
| 1208 | Bitumen washer | 100 Nos | 4.76 | ₹30.00 | ₹142.80 |
| 1209 | G.I. plain washer thick | 100 Nos | 4.76 | ₹35.00 | ₹166.60 |
| 9977 | Carriage of bolts and nuts, washers etc. | L.S. | 8.06 | ₹2.27 | ₹18.30 |
| 9999 | Sundries | L.S. | 39.52 | ₹2.27 | ₹89.71 |
| LABOUR | |||||
| 0130 | Mistry | day | 2.34 | ₹897.00 | ₹2,098.98 |
| 0112 | Carpenter 2nd class | day | 9.34 | ₹816.00 | ₹7,621.44 |
| 0114 | Beldar | day | 9.34 | ₹736.00 | ₹6,874.24 |
Rate build-up
| TOTAL | ₹1,12,223.15 |
| Add 1 % Water charges on "W" | ₹1,122.23 |
| TOTAL | ₹1,13,345.38 |
| Add GST on "X" (multiplying factor 0.2127) | ₹24,108.56 |
| TOTAL | ₹1,37,453.94 |
| Add 15% CPOH on "Y" | ₹20,618.09 |
| TOTAL | ₹1,58,072.03 |
| Add Cess @ 1% on "Z" | ₹1,580.72 |
| Cost of 216.14 sqm. | ₹1,59,652.75 |
| Cost of 1.00 sqm. | ₹738.65 |
| Say | ₹738.65 |