Construction of wash facility for sanitation workers at Leh By way of repair to roof Under SDP

Repair of undulation in roof demarcration of roof leackage point and manual laying plaincement concrete undulation of average thickness of 50 mm in 1:2:4 mix (1 cement : 2 coarse sand (zone-III) derived from natural sources : 4 graded stone aggregate 20 mm nominal size derived from natural sources)

Providing and laying in situ seven course water proofing treatment with APP (Atactic Polypropylene) modified Polymeric memberane over roof consisting of first coat of bitumen primer @ 0.40 litre per sqm, 2nd, 4th & 6th courses of bonding material @ 1.20 kg/sqm, which shall consist of blown type bitumen of grade 85/25 conforming to IS : 702, 3rd and 5th layers of roofing membrane APP modified Polymeric membrane 2.0 mm thick of 3.00 Kg/sqm weight consisting of five layers prefabricated with centre core as 100 micron HMHDPE film sandwiched on both sides with polymeric mix and the polymeric mix is protecte on both side with 20 micron HMHDPE film. 7th, the top most layer shall be finished with brick tiles of class designation 10 grouted with cement mortar 1:3 (1 cement : 3 fine sand) mixed with 2% integral water proofing compound by weight of cement over a 12 mm layer of cement mortar 1:3 ( 1 cement : 3 fine sand) and finished neat (item of laying brick tiles shall be paid for separately)

Providing and laying of precast 50 mm thick plain cement concrete 1:2:4 of size 2'x2', the grove size is 20 mm of gape will filled with bitumen reduce the temperature espansion contraction.

Half brick masonry with sundreid brick with mud mortor complete work including carriage as per site engineer.

Mud plaster over half brick masonry with colour matching and Shatkalak design with old work matching as per site engineer.

Providing and fixing of PVC rain pipe 75 mm properly fixed to roof through properly encased applying water proofing agent.