SR TO CHAJJA FINS, FACIA PARAPET, COLUMN AND ROOF OF KV NO 01 ISHAPORE UNDER GE (NORTH) KOLKATA

Taking down rain water pipe of any size or pattern including all fittings bends/ shoes etc. complete all as specified and directed.

Supply and fix PVC (SWR) rain water pipes 110 mm bore single socketed in any length with rubber ring joint fixed to walls with and including PVC brackets complete all as specified and directed.

Supply and fix PVC (SWR) bend 110mm bore complete all as specified and directed.

Supply and fix PVC (SWR) junction single, (Single T) 110mm bore complete all as specified and directed.

Taking down/ dismantling loose/ damaged concrete including plaster of any description and in any position from RCC structures like chajja, fins, roof ceiling, louvers, parapet, column, beam, and lintel by hammering with wooden mallets, carefully chipping off the old concrete surface with necessary scaffolding including cutting of rusted reinforcement if required and disposal of old debris outside the premises complete all as specified and directed. Note : Quoted Rate is deemed to include necessary scaffolding for 2nd storey bldg.

Demolition of reinforced concrete as in roofs, floors (other than ground floors), beams, staircases, landing, and similar suspended work (reinforcement cut as required to facilitate demolition) with necessary scaffolding and protection as required complete all as specified and directed. Note : Quoted Rate is deemed to include necessary scaffolding for 2nd storey bldg.

M&L for cleaning the existing surface of concrete by wire brush including scrapping & cleaning with emery paper and washing down with water as required and applying “Solvent free epoxy concrete bonding agent” as per manufacturer’s instructions on old concrete surfaces for bonding with new concrete complete all as specified and as directed. Make : Nitobond EP of FOSROC/Carbodur of SIKA/ or equivalent in PIDILITE. Note: Quoted Rate is deemed to include necessary scaffolding for 2nd storey bldg.

M&L for cleaning of old reinforcement and applying two coats of “Epoxy zinc rich primer” as protective coat to exposed surface of old reinforcement of dia 12 mm or less as per manufacturer's instructions complete all as specified and directed. Make : Nitozinc primer of FOSROC/Friazinc R of SIKA/ or equivalent in PIDILITE Note : Quoted Rate is deemed to include necessary scaffolding for 2nd storey bldg.

M&L for cleaning of old reinforcement and applying two coats of “Epoxy zinc rich primer” as protective coat to expose surface of old reinforcement of dia more than 12 mm as per manufacturer's instructions complete all as specified and as directed. Make : Nitozinc primer of FOSROC/Friazinc R of SIKA/ or equivalent in PIDILITE Note : Quoted Rate is deemed to include necessary scaffolding for 2nd storey bldg.

Material and labour for TMT bars 10mm dia and over, cut to length, bent to shape required, including cranking, bending lapping etc as required and welding with existing bar to get additional strengthening of RCC member complete all as specified and as directed. Note : Quoted Rate is deemed to include necessary scaffolding for 2nd storey bldg.

Material and labour for TMT bars 6 to 8mm dia, cut to length, bent to shape required, including cranking, bending, lapping etc as required and welding with existing bar to get additional strengthening of RCC member complete all as specified and as directed. Note : Quoted Rate is deemed to include necessary scaffolding for 2nd storey bldg.

Material and labour for TMT deformed or twisted bars upto 10mm dia as in stirrups cut to lenth bent to shape required including cranking ,bending etc and lapping ,welding as directed to the existing one complete all as specified and as directed. Note : Quoted Rate is deemed to include necessary scaffolding for 2nd storey bldg.

M&L for cementious (micro concrete of Sika Rep Microcrete-4 or eqiv ) for restoring slabs, walls, beams, columns, etc. with pressure grouting process as per manufacturer's instruction incl necessary form work and scaffolding as per site requirement complete all as specified and as directed). Note : Quoted Rate is deemed to include necessary scaffolding for 2nd storey bldg.

Material and labour for 5 mm thick plastering in CM (1:3) on concrete surfaces as in sides of column, lintel, beam, chajja, facia, railing, RCC wardrobe ,ceiling etc including finish the surface even and fair without using extra cement complete all as specified and as directed . Note : Quoted Rate is deemed to include necessary scaffolding for 2nd storey bldg.

Felling of tree exc. 30 cm girth including cutting of trunk, and branches in bldg and disposal of unserviceable material to a distance n exc. 50 m and clearing site complete all as specified and directed.

M&L for providing and applying plaster of paris putty of 1 mm thickness to prepare the surface even and smooth complete all as specified and directed.

Taking down cement plaster on brick or stone wals, etc. including raking out joints, hacking for keys, scrubbing down with water, etc. complete all as specified and directed.

Materials and labour for rendering 20 mm thick cement plaster in cement mortar (1:4) in two layers, each 10mm thick, top layer mixed with integral water proofing liquid admixture as per manufacturers instruction on brick or concrete surfaces of wall, finished the surface fair and even complete all as specified and as directed. (WPC shall be measured and paid separately). Note : Quoted Rate is deemed to include necessary scaffolding for 2nd storey bldg.

Material & Labour for applying Two coats of 100% Premium acrylic emulsion paint by spray machine on new plastered surfce having VOC less than 50 gm/litre and UV resistance as per IS 15489:2004, Alkali & fungal resistance, dirt resistance exterior paint of required shade (Company Depot Tinted) with silicon additives @ 1.43 litre/ 10 sqm over and including priming coat of exterior primer applied @ 0.90 litre/ 10 sqm over new surfaces complete all as specified and as directed. Note : Quoted Rate is deemed to include necessary scaffolding for 2nd storey bldg.

Material and labour for complete removal of existing treatment from old decorated plastered surfaces of wall by Vacuum based sanding machine,washing down, removal of nail etc & filling cracks/hole with putty, and applying Two coats of 100% Premium acrylic emulsion paint by spray machine on new plastered surfce having VOC less than 50 gm/litre and UV resistance as per IS 15489:2004, Alkali & fungal resistance, dirt resistance exterior paint of required shade (Company Depot Tinted) with silicon additives @ 1.43 litre/ 10 sqm over and including priming coat of exterior primer applied @ 0.90 litre/ 10 sqm over old surfaces complete all as specified and as directed. Note : Quoted Rate is deemed to include necessary scaffolding for 2nd storey bldg.

Supply only integral water proofing liquid admixture for concrete and mortar complete all as specified and directed.

Labour only for shifting of existing PVC tank from roof for roof treatment period and making them functional and again fixing it in existing location including necessary pipe line for shifting complete all as specified and directed.

Material and labour for rendering 15mm thick in cement mortar (1:6) on fair faces of brickwork or concrete surfaces, finished the surface even and smooth without using extra cement complete all as specified and directed.

Material and labour for preparation of newly plastered surfaces of wall by Vacuum based sanding machine, applying wall care putty 1 mm thick (Multipurpose mixer shall be used for uniform and proper mixing of putty) and applying two coat of emulsion distemper white or coloured by Auto Roller including one coat primer complete all as specified and as directed as per manufacturers instruction

Material and labour for complete removal of existing treatment from old decorated plastered surfaces of wall by Vacuum based sanding machine, removal of nail etc & filling cracks/hole with putty,applying wall care putty 1mm thick (Multipurpose mixer shall be used for uniform and proper mixing of putty) and applying two coats of emulsion distemper white or coloured by Auto Roller including one coat primer complete all as specified and as directed as per manufacturers instruction

M&L for applying high efficiency polymeric resin base film forming curing agent/ compound over concrete surface and maximum coverage area 5.00 sqm per ltr as per manufacturer's instruction complete all as specified and directed. Make: Concure LP 90 of FOSROC or equivalent solution SIKA/STP/MARUTI/CHOKSEY Chemicals.

M&L for providing and applying a flexible expansion joint membrane of minimum 150 mm wide and 1 mm thick,expoband one (Expoband H 45) of FOSROC or equivalent over the prepared joint using a two part epoxy adhesive nitobond PC 40 of Fosroc or equivalent.The minimum tensile strength of the membrane should be more than 12 N/mm2 and elongation at break should be more than 400 %. The installation of the member should be carried out as per manufacturer's specification complete all as specified and directed.

M&L for providing grouting in RCC walls and slabs by drilling holes @ 300 mm c/c upto half of the wall depth in zigzag manner using a drill machine and fixing a nozzle of 20 mm dia for injecting of cement or equivalent product till the refusal of injected grout material (grouting operation pressure shall be in between 2 to 4 Kg per sq cm) followed by cutting the exposed nozzle so as to make the wall/ slab free from the grouting pipe and to seal the gap with polymer modified mortar complete all as specified and directed.

M&L for providing and applying two component structural grade polymer modified reinforcement mortar Fosroc Renderoc S2 or equivalent product of sika upto a thickness of 15 mm over a coat of epoxy resin bonding agent nitobond EP. The cured mortar shall achieve a minimum compressive strength of 12 N/mm2 in a day & 45 N/mm2 in 28 days with flexural strength 8 N/mm2 in 28 days chloride diffusion coefficient shall be nil after 24 hours when tested by accelerated electrochemical chloride ion diffusion test method and the depth of carbonation shall be nil after 24 hours when tested by accelerated carbonation test in addition to this percentage of water absorption should be 0.45 after 24 hours in immersion test at various location in G+3 bldgs complete all as per manufacturer's specification.