Tender For Providing And Laying Cement Based Water Proofing Treatment Coba On Existing Roof Terrace Of Government Model Senior Secondary School, Sector- 37D, Chandigarh, Chandigarh-Chandigarh
TDR : 55372427
Tender Notice
BOQ
Expired
Chandigarh
Chandigarh
Tender For Providing And Laying Cement Based Water Proofing Treatment Coba On Existing Roof Terrace Of Government Model Senior Secondary School, Sector- 37D, Chandigarh
Name of Work:- PROVIDING AND LAYING CEMENT BASED WATER PROOFING TREATMENT COBA ON EXISTING ROOF TERRACE OF GOVERNMENT MODEL SENIOR SECONDARY SCHOOL, SECTOR- 37D, CHANDIGARH
Sl. No.
Item Description
1
15 mm cement plaster on rough side of single or half brick wall of mix : 1:6 (1 cement: 6 coarse sand) (As per DSR 13.5.2)
2
Finishing walls with Acrylic Smooth exterior paint of required shade : New work (Two or more coat applied @ 1.67 ltr/10 sqm over and including priming coat of exterior primer applied @ 2.20 kg/10 sqm) (As per DSR 13.46.1)
3
Providing and applying white cement based putty of average thickness 1 mm, of approved brand and manufacturer, over the plastered wall surface to prepare the surface even and smooth complete. (As per DSR 13.80)
4
Demolishing brick tile covering in terracing including stacking of serviceable material and disposal of unserviceable material within 50 metres lead. (As per DSR 15.26)
5
Demolishing mud phaska in terracing and disposal of material within 50 metres lead. (As per DSR 15.27)
6
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. (As per DSR 15.56)
7
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. (As per DSR 15.60)
8
Providing and laying integral cement based water proofing treatment including preparation of surface as required for treatment of roofs, balconies, terraces etc consisting of following operations:(a) Applying a slurry coat of neat cement using 2.75 kg/sqm of cement admixed with water proofing compound conforming to IS. 2645 and approved by Engineer-in-charge over the RCC slab including adjoining walls upto 300 mm height including cleaning the surface before treatment.(b) Laying brick bats with mortar using broken bricks/brick bats 25 mm to 115 mm size with 50% of cement mortar 1:5 (1 cement : 5 coarse sand) admixed with water proofing compound conforming to IS : 2645 and approved by Engineer-in-charge over 20 mm thick layer of cement mortar of mix 1:5 (1 cement :5 coarse sand ) admixed with water proofing compound conforming to IS : 2645 and approved by Engineer-in-charge to required slope and treating similarly the adjoining walls upto 300 mm height including rounding of junctions of walls and slabs. (c) After two days of proper curing applying a second coat of cement slurry using 2.75 kg/ sqm of cement admixed with water proofing compound conforming to IS : 2645 and approved by Engineer-in-charge.(d) Finishing the surface with 20 mm thick jointless cement mortar of mix 1:4 (1 cement :4 coarse sand) admixed with water proofing compound conforming to IS : 2645 and approved by Engineer-in-charge including sandwitching chicken mesh of 26 gauge having mesh size ½\\"x½\\" in top layer of plaster and finally finishing the surface with trowel with neat cement slurry and making pattern of 300x300 mm square 3 mm deep.(e) The whole terrace so finished shall be flooded with water for a minimum period of two weeks for curing and for final test.“All above operations to be done in order and as directed and specified by the Engineer-in-Charge : With average thickness of 120 mm and minimum thickness at khurra as 65 mm. (N.S.) Please Enable Macros to View BoQ information
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