Name of Work:- Providing Roof Treatment of PHBMPL SV-05,06,07,08,09 at SERPL, Paradip
Sl. No.
Item Description
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Fixed Part
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Cement mortar 1:4 (1 cement : 4 coarse sand) along with grouting of with rich cement mix slurry/white cement to fill any cracks present on the roof
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Cement concrete 1:2:4 (1 cement : 2 coarse sand : 4 graded stone aggregate 20 mm nominal size)
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Chipping of unsound/ weak concrete material from slabs, beams, columns etc. with manual Chisel and/or by standard power driven percussion type or of approved make including tapering of all edges, making square shoulders of cavities including cleaning the exposed concrete surface and reinforcement with wire brushes etc. and disposal of debris for all lead and lifts all complete as per directions of the Engineer-in-Charge : 25 mm average thickness
5
Supplying and using water proofing compound like CICO, PUDDLE, Dr Fixit or any other approved brand with Cement Plaster/ CC/ RCC complete in all respects inclusive of cost of all labour, materials, tools, tackles etc. as per drawings, specifications and directions of the Engineer-in-Charge.
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Providing and laying APP (Atactic Polypropylene Polymer) modified prefabricated five layer, 3 mm thick water proofing membrane, black finished reinforced with glass fibre matt consisting of a coat of bitumen primer for bitumen membrane @ 0.40 litre/sqm by the same membrane manufactured 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 : (a) Joint strength in longitudinal and transverse direction at 23°C as 350/300 N/5 cm. (b) Tear strength in longitudinal and transverse direction as 60/80N. (c) Softening point of membrane not less than 150°C. (d) Cold flexibility shall be up to -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.
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Providing and fixing on wall face Unplasticised Rigid PVC (uPVC) rainwater pipes (110 mm diameter, single socketed) conforming to IS:13592 Type-A, including jointing with seal ring conforming to IS:5382, leaving 10 mm gap for thermal expansion. Please Enable Macros to View BoQ information
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