Provision Of Water Proofing Treatment On Roof Of Type Iv And Type V Quarters In Old Residential Area At Ihbas Under A R And M O During 2019 20, Executive Engineer (Civil) Ihbas, Dilshad Garden-Delhi
Name of Work: Provision of Water proofing treatment on roof of Type-IV and Type-V quarters in old residential area at IHBAS under A/R & M/O during 2019-20
Sl.No.
Item Description
Item Code / Make
Quantity
Units
1
1
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 : Joint strength in longitudinal and transverse direction at 23°C as 350/300 N/5 cm. Tear strength in longitudinal and transverse direction as 60/80N. 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
1.01
3 mm thick
900
sqm
3
2
Providing & laying broken glazed tiles not less than 9Kg/sqm on top of hot bitumen @ 1.7 Kg/sqm (1.40 kg of 85/25 grade and 0.30 kg of 80/100 grade) and joints filled with cement mortar 1:2 (1 cement : 2 marble dust) mixed with water proofing compound all complete as per direction of Engineer-in-charge.
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