SR TO RB UNDER MAINTENANCE SUB DIVISION NO. 1, SECTOR 7, CHANDIGARH.

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

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 cement mortar 1:3 (1cement : 3 fine sand) as per standard design : In 75x75 mm deep chase

Making khurras 45x45 cmwith averageminimum thickness of 5 cmcement 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.

Providing water proofing treatment by laying one coat of cement adhesive Tapecrete mixed with cement in ratio 1:2 (One part of tapecrete : 2 part of cement) complete in all respect and to the entire satisfaction of Engineer-in-charge.

Brick work with common burnt clay F.P.S. (non modular) bricks of class designation 7.5 in superstructure above plinth level up to floor V level in all shapes and sizes in : Cement mortar 1:4 (1 cement :4 coarse sand)

Repair of deteriorated RCC Balconies, Beams, Walls, Ceiling, Column or other concrete surface having exposed rusted bars consisting of following operations (a) chipping of concrete surface 25mm thick average depth afterwards removal of loose concrete and exposing the steel bars. Cleaning the surface properly to remove dust particles and rust from the steel bars. (b) Moistening the surface properly and applying arcylic polymer (acrocrete/ pidilite/ mastercrete or its equivalent) coating mixed with cement for proper bonding of old and new concrete in two coats 0.2kg per 1kg of cement. (c) Providing and fixing chicken mesh of standard size and 26 guage with steel reinforcement by using binding wire and nails complete. (d) Provding and placing of cement concrete l:11/2:3 having average thickness 1" (3/4" to 11/4" thick) mixed with arcylic polymer admixture @ 1kg per bag of cement and waterproof agent @ 400ml per 2 bags of cement including finishing the surface complete in all respect as per the direction and to the entire satisfaction of Engineer-in-Charge.

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 in situ five 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 courses of bonding material @ 1.20 kg/sqm, which shall consist of blown type bitumen of grade 85/25 conforming to IS : 702, 3rd layer 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 protected on both side with 20 micron HMHDPE film. 5th, 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).

P/F 110mm internal dia PVC pipe as rain water pipe on walls of 6 kg. pressure with Bend, Elbow and Clamps complete in all respect to the entire satisfaction of Engineer--in-Charge

Grading roof for water proofing treatment with Cement concrete 1:2:4 (1 cement : 2 coarse sand : 4 graded stone aggregate 20 mm nominal size)