Name of work: Roof treatment of Quarter Guard at Roopnagar campus of 03 BN BSF Under SHQ BSF Coochbehar.
Sl. No.
Item Description
1
Providing and fixing on wall face unplasticised Rigid PVC rain water pipes conforming to IS : 13592 Type A, including jointing with seal ring conforming to IS : 5382, leaving 10 mm gap for thermal expansion, (i) Single socketed pipes.110 mm diameter
2
12 mm cement plaster of mix : 1:6 (1 cement: 6 fine sand)
3
Repairs to plaster of thickness 12 mm to 20 mm in patches of area 2.5 sq.meters and under, including cutting the patch in proper shape, raking out joints and preparing and plastering the surface of the walls complete, including disposal of rubbish to the dumping ground, all complete as per direction of Engineer-in-Charge.With cement mortar 1:4 (1 cement : 4 fine sand)
4
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 : 3 mm thick
5
Add cost index 10.28%
6
modified estimated cost after using correction factor on DSR 2023 on account of GST @ 0.973
7
Providing and applying PU(polyurethane) by grouting for the treatment of faulty construction joints, cracks, tie rod holes and spalled & honeycombed surface of RCC structures like Roof slab, water tanks, bridge deck, RCC wall etc. to ensure water tightness. The work shall be carried out all complete as per specification and the direction of the Engineer-In-Charge. For sealing cracks and faulty construction joints, filled the cracks upto surface with PU(polyurethane) grouting @ 03 nozzel / running metre.
We takes all possible care for accurate & authentic tender information, however Users
are requested to refer Original source of Tender Notice / Tender Document published by
Tender Issuing Agency before taking any call regarding this tender.
