MISCELLANEOUS REPAIR AND OTHER REPAIR WORKS IN GOVT. MODEL SR. SEC. SCHOOL IN VILLAGE KAIMBWALA, CHANDIGARH.

Demolishing brick tile covering in terracing including stacking of serviceable material and disposal of unserviceable material within 50 metres lead.

Demolishing mud phaska in terracing and disposal of material within 50 metres lead.

Scrubing the old surface of existing bitumeous coating with electric cutter blades upto mother slab top and cleaning the surface comlete in all respect and removing of malba away from roof slab in local complex complete in all respects same as per direction and to the entire satisfaction of Engineer-in-charge .

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 : 3 mm thick

Retile terracing of mud phaska covered with tiles or brick, in cement mortar by reusing dismantled tile or bricks after cleaning and making tile serviceable for reuse, dismantling mud phaska and cleaning of mother slab properly (75 mm old earth and 25 mm new earth) after performing waterproofing treatment which will be paid separately. Laying 10 cm thick (average) mud phaska of damped brick earth on roofs laid to slopoe consolidated and plastered with 25mm thick mud mortar mixed with bhusa @ 35 kg per cum of earth and gobri leaping with mix 1:1 (1 clay : 1 cow dung) and covered with flat brick tile, grouted with cement mortar 1:3 ( 1 cement : 3 fine sand) mixed with 2% of integral water proofing compound by weight of cement and finished neat including replacing unserviceable tile or bricks with new ones ( the cost of mud included) complete in all respects same as per direction and to the entire satisfaction of Engineer-in-charge . Note :- Dismantling tile and Dismantling mud phaska cost of new tile paid separately.

Supply of 1st quality brick tiles 9"x4.1/2" x 1.1/2" complete in all respect and to the entire satisfaction of Engineer in charge.

Providing gola 75x75 mm in cement concrete 1:2:4 (1 cement :2 coarse sand :4 stone aggregate 10 mm and down gauge), including finishing with cementmortar 1:3(1cement :3fine sand) as per standard design : In 75x75 mm deep chase

Making khurras 45x45 cm with average minimum thickness of 5cm cement concrete 1:2:4 (1 cement : 2 coarse sand :4 graded stone aggregate of 20 mm nominal size) over P.V.C. sheet 1 m x1 m x 400 micron, finished with 12 mm cement plaster 1:3 (1 cement : 3 coarse sand) and a coat of neat cement, rounding the edges and making and finishing the outlet complete.

12 mm cement plaster of mix : 1:4 (1 cement: 4 fine sand)

15 mm cement plaster on the rough side of single or half brick wall of mix : 1:4 (1 cement: 4 fine sand)