Waterproofing Work
Buildings is the method of forming a barrier over surfaces of foundations, roofs, walls, bathrooms and other structural members of buildings to prevent water penetrations through these surfaces. In summary, building surfaces are made water-resistant and waterproof.
There are different type of water proofing method is used in Roofing work , Following BOQ sample for Roof is Torch applied bituminous Water proofing.
A Bill of Quantities (BOQ) for Roof Waterproofing Work is a comprehensive document used in construction projects to outline and quantify the materials, labor, and other resources required for waterproofing a roof. It serves as a detailed cost estimation and a basis for tendering and project management. The BOQ for Roof Waterproofing typically includes information such as the type and quantity of waterproofing materials, specifications for application methods, labor costs, and associated overheads.
“Here is a sample of the bill of quantity for Roof Water Proofing Work , formatted as follows
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BOQ for Super Structure Water Proofing / Roof Water proofing
| BILL OF QUANTITY FOR SUBSTRUCTURE WATER PROOFING WORK / ROOF WATER PROOFING WORK | ||||||
| Si.No | Description | Unit | Quantity | Unit Rate | Amount | Remark |
| Bill of Quantity for Roof Water Proofing Work- Torch applied | ||||||
| Roof Area Water Proofing Work-Horizontal | ||||||
| 1 | Surface Preparation on horizontal area before application of water proofing work | m2 | ||||
| 2 | Concrete Screed laid to slope :- Supply and cast Light Weight Screed 50-100 mm thick as per project Specification | m2 | ||||
| 3 | Supply and apply one (or) two coat approved bituminous primer over the light weight screed , as per project specification | m2 | ||||
| 4 | Supply and apply one (or) Two Layer Approved Torch applied bituminous water proofing membrane over the primer surface, as per project specification | m2 | ||||
| 5 | Supply and apply one layer Polystyrene Heat Insulation over the membrane surface, as per project specification | m2 | ||||
| 6 | Supply and apply one layer Geotextile (or) Terram Sheet as a separation layer over the membrane surface, as per project specification | m2 | ||||
| 7 | Supply and cast 50 to 100 mm thick average screed 3 x 3 bay slope lines with flexal board , and filling the joints with sealant | m2 | ||||
| 8 | Dressing of Rain Water outlets | Nos | ||||
| Roof Area Water Proofing Work-Upstands Vertical | ||||||
| 1 | Groove cutting :- To Prepare groove cutting on upstands vertical surface | lm | ||||
| 2 | Upstands :- Supply and Apply one coat primer + One (or) Two Layer mineral finished bituminous water proofing membrane to be terminated in the groove as per project specification | lm | ||||
| 3 | Supply and fix approved aluminum flashing including sealant | lm | ||||
| Total Work Done Amount for Water Proofing Work | ||||||