Tender For Roof Treatment Of Balrampur Mine Buildings And Kumda 7 8 Mine Buildings And Kumda Sub Area Office Buildings At Kumda Sub Area Of Bishrampur Area, Bishrampur-Chhattisgarh
TDR : 55462302
Tender Notice
BOQ
9 Days Left
Bishrampur
Chhattisgarh
Tender For Roof Treatment Of Balrampur Mine Buildings And Kumda 7 8 Mine Buildings And Kumda Sub Area Office Buildings At Kumda Sub Area Of Bishrampur Area
Removing and cleaning tarfalt and carrage of removing and cleaning material up to 50 mtr lead as per instruction of engineer in charge .
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Grading roof for water proofing treatment with Cement concrete 1:2:4 (1 cement : 2 coarse sand : 4 graded stone aggregate 12.50mm nominal size)
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12 mm cement plaster of mix : 1:4 (1 cement: 4 coarse sand)
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Providing and laying APP (Atactic Polypropylene Polymer) odifiedprefabricated five layer 3 mm thick water proofing membrane, blackfinished reinforced with non-woven polyester matt onsisting of acoat of bitumen primer for bitumen membrane @ 0.40 litre/sqm bythe same membrane nufacture of density at 25°C, 0.87-0.89 kg/litre and viscocity 70-160 cps. Over the primer coat the layer ofmembrane shall be laid using Butane Torch and sealing all jointsetc, and preparing the surface complete. The vital physical andchemical parameters of the membrane shall be as under : Jointstrength 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
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