REPAIR AND MAINTENANCE OF EXTERNAL PLASTER WORK PLINTH PROTECTION ROOF TREATMENT RAIN WATER PIPES CI PIPE CHEQUERD TILES AND PAVEMENTS AT SALT LAKE UNDER GE (NORTH) KOLKATA

Taking up or down 15mm dia steel tubing and connections, segregating serviceable pipe for reuse complete all as specified and as directed.

All as per item No. 01 above but 20mm dia complete all as specified and as directed.

All as per item No. 01 above but 25mm dia complete all as specified and as directed.

Supply and fix 15mm bore medium grade galvanized steel tubes with all fittings and fixed to wall or in floors etc complete all as specified and as directed.

All as per item No. 04 above but 20mm dia complete all as specified and as directed.

All as per item No. 04 above but 25mm dia complete all as specified and as directed.

All as per item No. 04 above but fixing only complete all as specified and as directed. Note: Serviceable GI pipe obtained from item No.01 above shall be reused after cleaning.

All as per item No. 05 above but fixing only complete all as specified and as directed. Note: Serviceable GI pipe obtained from item No.02 above shall be reused after cleaning.

All as per item No. 06 above but fixing only complete all as specified and as directed. Note: Serviceable GI pipe obtained from item No. 03 above shall be reused after cleaning.

Supply and fix in repair rolled mild steel Fe-410-w (grade E-250) quality A framed work such as grills, gratings, etc. with ends of bars shouldered and/or riveted, or forged into spikes; framed guard bars and similar work complete all as specified and as directed.

Supply and fix in repairs stainless steel wire cloth of 0.36 mm nominal dia of wire and averaging of width of aperture 1.40mm, fixed with stainless steel wire staples complete all as specified and as directed.

Material and labour for two coats of synthetic enamel paint over a coat of red oxide zinc chrome primer to new steel surface including preparation of surfaces exceeding 10cm with or girth complete all as specified and as directed.

Dismantling of old unserviceable floor, hearth or wall tiling including cement mortar bedding (but not backing and rubbish off the premises complete all as specified and as directed.

Material and labour for Light shade Vitrified tiles 8 to10mm thick (square/rectangular) polished, area of each tiles exc. 0.18 sqm but n.exc. 0.36 sqm in floors etc set and jointed in neat cement slurry and pointed in white or coloured cement to match the colour tiles over and including 20mm thick screed bed or bedding layer in CM(1:6) complete all as specified and as directed.

Material and labour for Light shade Vitrified tiles 8 to 10mm thick (square/rectangular) polished, area of each tiles exc. 0.18 sqm but n.exc. 0.36 sqm in skirting etc set and jointed in neat cement slurry and pointed in white or coloured cement to match the colour tiles over and including 10mm thick rendering in CM (1:4) complete all as specified and as directed.

Material and labour for Non-skid ceramic coloured tiles 7 to 8 mm thick (square/rectangular) area of each tile exceeding 0.11 sqm but n.exc. 0.18 sqm as in floors etc set and jointed in neat cement slurry and pointed in white or coloured cement to match the colour of tiles over and including 15mm thick screed bed or bedding layer in CM(1:6) complete all as specified and as directed.

Material and labour for glazed ceramic colour tiles (450X300)X7mm thick in skirting/dados etc set and jointed in neat cement slurry and pointed in white or coloured cement to match the colour tiles over and including 10mm thick rendering in CM(1:4) complete all as specified and as directed.

Demolition of cement concrete in ground floors and pavings n.exc. 15 cm thickness below or above ground level complete all as specified and as directed.

Material and labour for 75mm thick PCC type D2 (1:4:8) using 40mm graded stone aggragate as in , sub base of floors etc complete all as specified and as directed.

Material and labour for (300x300) x25 mm thick PCC designer Pre-polished tiles (Factory make and approved size) as in floors, set & jointed in neat cement slurry and pointed in coloured cement with pigment over and including 20mm thick screed bed or bedding layer in CM(1:6) complete all as specified and as directed.

Demolition of brickwork built in cement mortar including all quoins, arches, pillars etc. complete all as specified and as directed.

Material and labour for brick work with bricks class designation 75, old size, straight or curved on plan exc 6m mean radius built in cement mortar (1:6) complete all as specified and as directed.

Material and labour for brick work with bricks class designation 75, old size, straight or curved on plan to any radius in half brick thick walls built in cement mortar (1:4) complete all as specified and as directed.

Taking down cement plaster of any description on brick walls including raking out joints, hacking for key, scrubbing down with water complete all as specified and directed.

Material and labour for 20mm thick plaster in cement mortar (1:4) in two layers, i.e 10mm thick in each layer, 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. Note :- WPC shall be measured and paid separately.

Supply only integral water proofing liquid admixture for concrete and mortar complete all as specified and directed. (Make :CONPLAST X421IC of Fosroc /SIKA No 1 of SIKA/equivalent brand of PIDILITE)

Material and labour for preparation of newly plastered surfaces of wall by vaccume based sanding machine, and applying two coats of Anti Fungal paint white or coloured by Auto Roller over a coat of primer, including necessary scaffoldings complete all as specified and as directed as per manufacturers instructions.

Material and labour for 40mm thick PCC (1:2:4) type B1 using 20mm graded aggregate as in floors complete all as specified and as directed.

Materials and labour for 75mm thick PCC (1:3:6) type C2 (using 40 mm graded stone aggregate) as in pavement/plinth protection , laid in bays and joints shall be filled up with bituminous gola with 80/25 bitumen ( 1 part of bitumen to be mixed with 3 part of sand and finished the surface fair and even complete all as specified & directed.

S&F in repairs PVC (SWR) pipe 110mm bore, type A, single socketed, in any length with rubber ring joints fixed to walls with and including PVC clips complete all as specified and directed.

S&F PVC (SWR) bend/ shoe 110mm bore complete all as specifed and directed.

Dismantling wrought iron for mild steel work for any description not otherwise provided for complete all as specified and directed.

Supply and fix steel work in tubular trusses including special shaped washer etc. complete using ERW or induction butt welded tubes conforming to IS-1161-1979 grade St-240 complete all as specified and as directed.

Dismantling Asbestos cement / Transluscent ( Corrugated , semicorrugated etc.) sheets as in Roof covering , wall , ridge , hips valleys and flashings etc for the building structures not exceeding 10 m height from the average ground level complete all as specified and as directed .

Supply and fix pre- painted galvalume aluminum zinc coating GI based corrugated steel sheet 0.50mm thick of an colour having tensile strength of 550 Mpa as in roof covering/cladding to wall, fixed with self tapping screws as specifiedcomplete all as specified and as directed.

Supply and fix pre- painted galvalume aluminum zinc coating GI based plain steel sheet 0.50mm thick of an colour having tensile strength of 550 Mpa as in roof covering/cladding to wall, fixed with self tapping screws as specifiedcomplete all as specified and as directed.

Demolition of reinforced cement concrete of roofs, floors , staircases, landing, chajjas and similar suspended works in ground floors beams(reinforcement cut as required to facilitate demolition) complete all as specified and directed.

M&L for Reinforced cement concrete (nominal mix) type A1 (1:1.5:3) ( using 20mm graded aggregate) as in Slabs supported on walls, beams and columns in floors,roofs, landings, balconies,canopies, deck slabs and in shelves and the like complete all as specified and directed. Note: Reinforcement and formwork shall be measured and paid separately.

M&L for reinforced cement concrete (nominal mix) type A1 (1:1.5:3) (using 20mm graded aggregate)as in chajja complete all as specified and directed. Note: Reinforcement and formwork shall be measured and paid separately.

Material and labour for mild steel 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 complete all as specified and as directed.

Material and labour for TMT bars 6 to 8mm bar, cut to length, bent to shape required, including cranking, bending, lapping etc as required and welding with existing bar complete all as specified and as directed.

M&L for use and waste of Formwork to soffits of concrete roof slabs and chajjas n exc 20cm wide complete all as specified and directed.

M&L for use and waste of Formwork to edges of concrete roof slabs and chajjas n exc 20cm wide all as specified and directed.

M&L for kota stone slab 20-25 mm thick in riser of step, skirting, dado and pillar laid over cemnent screed bed laid and jointed with grey cement slurry mixed with pigment to match the shed of the slab including rubbing and mirror polishing on stone work where ever required to give high gloss finish complete all as specified and directed.

M&L for 18 to 20mm thick Granite(of any type)work(table rubbed and polished) in steps, jambs, pillars, window cills, cooking platforms etc over 15mm thick cement mortar(1:4) including pointing with white cement(1:2) using marble dust with admixture of pigment to match with shade of granite,complete all as specified and directed.