WATER PROOFING OF GOVT. POLYTECHNIC FOR WOMEN AT SECTOR 10 D CHANDIGARH.

Scrapping of existing Tarfelt/ APP (Atactic polypropelene) sheet and disposal of malba to the dumping ground, cleaning of surface complete in all respect and to the entire satisfaction of Engineer-in-charge.

Regrading terracing of mud phaska covered with tiles or brick, in cement mortar by dismantling tiles or bricks, removing mud plaster, preparing the surface of mud phaska to proper slope, relaying mud plaster gobri leaping and tiles or bricks, grouted in cement mortar 1:3 (1 cement : 3 fine sand), including replacing unserviceable tiles or bricks with new ones and disposal of unserviceable material to the dumping ground (the cost of the new tiles or brick excluded), all complete as per direction of Engineer-in-Charge

Removing the earth filling under tiles and cleaning and scraping old bitumen of the roof surface with wire brushes and refiiliing the earth after cleaning etc complete in all respect engineer in charge.

Cleaning and Scrapping bitumen from roof slab under mud phaska with wire mesh brushes or grinder etc for preparing the slab for water proofing treatment complete in all respect and 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 membraneAPP 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)

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

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

Dismantling old plaster or skirting raking out joints and cleaning the surface for plaster including disposal of rubbish to the dumping ground within 50 metres lead.

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)

Providing and fixing golden champ wood chowkhat (kiln seasoned) 4 1/2" x 2 1/4"including cost of corner straps, iron hold fasts, hinges, screws,nails, fevicol etc. and painting two coats of wood preserver to sides of chowkhats. Rate includes the cost of dismantling of all damaged chowkhats and making good the damage to walls plaster and floors as required including, disposal of rubbish to the dumping ground the rate further includes the cost of painting two coats synthetic enamel paint over one coat of wood primer complete in all respect and to the entire satisfaction of Engineer-in-Charge.

Providing and fixing 4mm thick plain glass panes with beading when required over exixting chowkhat or fixed shutter or fixed portion or glazed shutter including the cost of nails, putty etc. complete in all respect to the entire satisfaction of Engineer-in-charge.

Demolishing cement concrete manually/ by mechanical means including disposal of material within 50 metres lead as per direction of Engineer - in - charge.Nominal concrete 1:4:8 or leaner mix (including equivalent design mix)

Providing and laying cement concrete in retaining walls, return walls, walls (any thickness) including attached pilasters, columns, piers, abutments, pillars, posts, struts, buttresses, string or lacing courses, parapets, coping, bed blocks, anchor blocks, plain window sills, fillets, sunken floor etc., up to floor five level, excluding the cost of centering, shuttering and finishing: 1:2:4 (1 Cement : 2 coarse sand (zone-Ill) derived from natural sources : 4 graded stone aggregate 20 mm nominal size derived from natural sources)

Disposal of building rubbish / malba / similar unserviceable, dismantled or waste materials by mechanical means, including loading, transporting, unloading to approved municipal dumping ground or as approved by Engineer-in-charge, beyond 50 m initial lead, for all leads including all lifts involved.

Providing and laying water proofing treatment on roofs of slabs by applying cement slurry mixed with water proofing cement compound consisting of applying: (a) after surface preparation, first layer of slurry of cement @ 0.488 kg/ sqm mixed with water proofing cement compound @ 0.253 kg/sqm. (b) laying second layer of Fibre glass cloth when the first layer is still green. Overlaps of joints of fibre cloth should not be less than 10 cm. (c) third layer of 1.5 mm thickness consisting of slurry of cement @ 1.289 kg/sqm mixed with water proofing cement compound @ 0.670 kg/sqm and coarse sand @ 1.289 kg/sqm. This will be allowed to air cure for 4 hours followed by water curing for 48 hours. The entire treatment will be taken upto 30 cm on parapet wall and tucked into groove in parapet all around. (d) fourth and final layer of brick tiling with cement mortar (which will be paid for separately. For the purpose of measurement the entire treated surface will be measured.

Supply of 1st quality brick tiles 9"x 4 1/2"x 1 1/2" complete in all respect and to the entire satisfaction of Engineer-in-Charge.