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| 1 | Providing and laying APP (Atactic Polypropylene Polymer) modified prefabricated five layer 3 mm thick water proofing membrane, black finished reinforced with non-woven polyester matt consisting of a coat of bitumen primer for bitumen membrane @ 0.40 litre/sqm by the same membrane manufacture of density at 25°C, 0.87-0.89 kg/ litre and viscocity 70-160 cps. Over the primer coat the layer of membrane shall be laid using Butane Torch and sealing all joints etc, and preparing the surface complete. The vital physical and chemical parameters of the membrane shall be as under : Joint strength in longitudinal and transverse direction at 23°C as 650/ 450N/ 5cm. Tear strength in longitudinal and transverse direction as 300/250N. Softening point of membrane not less than 150°C. Cold flexibility shall be upto -2°C when tested in accordance with ASTM, D - 5147. The laying of membrane shall be got done through the authorised applicator of the manufacturer of membrane : |
| 2 | 3 mm thick |
| 3 | Grading roof for water proofing treatment with |
| 4 | Cement concrete 1:2:4 (1 cement : 2 coarse sand : 4 graded stone aggregate 20mm nominal size) |
| 5 | Cement mortar 1:4 (1cement : 4 coarse sand) |
| 6 | 12 mm average thickness cement plaster of mix : (for repair of Brick work,perapet or terrace top etc .) |
| 7 | 1:6 (1 cement: 6 fine sand) |
| 8 | Providing and fixing Chlorinated Polyvinyl Chloride (CPVC) pipes, having thermal stability for hot & cold water supply including all CPVC plain & brass threaded fittings. This includes jointing of pipes & fittings with one step CPVC solvent cement, trenching, refilling & testing of joints complete as per direction of Engineer in Charge : External work |
| 9 | 15 mm nominal outer dia. Pipes. |
| 10 | 20 mm nominal outer dia. Pipes. |
| 11 | 25 mm nominal outer dia. Pipes. |
| 12 | Providing and placing on terrace (at all floor levels) polyethylene water storage tank, IS : 12701 marked, with cover and suitable locking arrangement and making necessary holes for inlet, outlet and overflow pipes but without fittings and the base support for tank. |
| 13 | Finishing walls with Acrylic Smooth exterior paint of required shade : |
| 14 | Old work (Two or more coat applied @ 1.67 ltr/ 10 sqm) on existing cement paint surface). |
| 15 | Painting with synthetic enamel paint of approved brand and manufacture of required colour to give an even shade : |
| 16 | One or more coats on old work. |
| 17 | Dismantling 15 to 40 mm dia G.I. pipe including stacking of dismantled pipes (within 50 metres lead) as per direction of Engineerin-Charge. |
| 18 | Internal Work- Exposed on wall |
| 19 | Demolishing R.C.C. work by mechanical means and stockpiling at designated locations and disposal of dismantled materials up to a lead of 1 kilometre, stacking serviceable and unserviceable material separately including cutting reinforcement bars. |
| 20 | Demolishing brick work manually/ by mechanical means including stacking of serviceable material and disposal of unserviceable material within 50 metres lead as per direction of Engineer-in-charge. (for Brick work in wall or Platforms for water tank suppors ) |
| 21 | In cement mortar |
| 22 | Disposal of building rubbish / malba / similar unserviceable, dismantled or waste materials by mechanical means, including loading, transporting, unloading to approved municipal dumping ground or as approved by Engineer-in-charge, beyond 50 m initial lead, for all leads including all lifts involved. |
| 23 | Providing and fixing ball valve (float valve for water tanks)of approved quality, High or low pressure, with plastic floats complete : |
| 24 | 15 mm nominal bore |
| 25 | 20 mm nominal bore |
| 26 | Removal and refixing in position the exisiting PVC water storage tanks ( up to 1000 liter capacity ) for the purpose of providing space for roof repair work including all operations of dismembering and refixing the inlet and outlet water supply lines of G.I. or PVC of any dia. , float valves , tank covers etc. all complete making the water tanks operational again.( Cost of mterial like PVC Pipes , Float valves , covers if required extra in adition to available shall be paid separately ) |
| 27 | Providing and placing in position durable grade PVC factory made circular shaped stands for placing and supporting circular PVC water storage tanks of capacity up to 1000 leters , placed on terrace in line and level . Please Enable Macros to View BoQ information |
