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 Substructure Waterproofing Work is a detailed document used in construction projects to enumerate and quantify the various resources required for waterproofing the substructure of a building. This comprehensive document is crucial for cost estimation, tendering, and project management, providing a clear breakdown of materials, labor, and other essential elements
“Here is a sample of the bill of quantity for Substructure Water Proofing Work , formatted as follows
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BILL OF QUANTITY FOR SUBSTRUCTURE WATER PROOFING WORK
| BILL OF QUANTITY FOR SUBSTRUCTURE WATER PROOFING WORK | ||||||
| Si.No | Description | Unit | Quantity | Unit Rate | Amount | Remark |
| Bill of Quantity for Water Proofing Work- Torch applied (or) Self adhesive membrane | ||||||
| Horizontal Area Water Proofing-Basemen, Raft, Footing ,Foundation | ||||||
| 1 | Supply and apply 50-100 mm thick plain cement concrete on Horizontal Surface as per project specification | m2 | ||||
| 2 | Surface Preparation on horizontal area before application of water proofing work | m2 | ||||
| 3 | Supply and apply one (or) two coat approved bituminous primer, as per project specification | m2 | ||||
| 4 | Supply and apply one (or) Two Layer Approved Torch applied (or) Self adhesive bituminous water proofing membrane over the primer surface, as per project specification | m2 | ||||
| 5 | Supply and apply one layer Geotextile (or) Terram Sheet as a separation layer over the membrane surface, as per project specification | m2 | ||||
| 6 | Supply and Apply 50-100mm thick protection screed over the separation layer , as per project specification | m2 | ||||
| Vertical Area Water Proofing- Retaining Wall , Column , Footing | ||||||
| 7 | Supply and apply one (or) two coat approved bituminous primer, as per project specification | m2 | ||||
| 8 | Supply and apply one (or) Two Layer Approved Torch applied (or) Self adhesive bituminous water proofing membrane over the primer surface, as per project specification | m2 | ||||
| 9 | Supply and apply one layer bituminous (or) polypropylene protection board over the membrane surface, as per project specification | m2 | ||||
| 10 | Supply and apply aluminum flashing on Wall or Column Termination area , as per project specification | lm | ||||
| Bill of Quantity for Water Proofing Work- Polyvinyl Chloride (PVC) Membrane | ||||||
| Horizontal Area Water Proofing-Basemen, Raft, Footing ,Foundation | ||||||
| 1 | Supply and apply 50-100 mm thick plain cement concrete on Horizontal Surface, as per project specification | m2 | ||||
| 2 | Surface Preparation on horizontal area before application of water proofing work | m2 | ||||
| 3 | Supply and Apply one layer geotextile as a base layer over the prepared area, as per project specification | m2 | ||||
| 4 | Supply and apply one layer PVC membrane over the geotextile, joints treated with glue and melting, as per project specification | m2 | ||||
| 5 | Supply and Apply one layer geotextile as a top layer over the PVC Membrane , as per project specification | m2 | ||||
| 6 | Supply and Apply 50-100mm thick protection screed over the separation layer , as per project specification | m2 | ||||
| Vertical Area Water Proofing- Retaining Wall , Column , Footing | ||||||
| 7 | Supply and Apply one layer geotextile as a base layer over the prepared area, as per project specification | m2 | ||||
| 8 | Supply and apply one layer PVC membrane over the geotextile, joints treated with glue and melting, as per project specification | m2 | ||||
| 9 | Supply and Apply one layer geotextile as a top layer over the PVC Membrane, as per project specification | m2 | ||||
| 10 | Supply and apply one layer polypropylene protection board over the geotextile, as per project specification | m2 | ||||
| 11 | Supply and apply aluminum flashing on Wall or Column Termination area , as per project specification | lm | ||||
| Total Value of Work Done For Substructure Water proofing Work | ||||||