REPAIRS AND OVERHAULING TO ROLLING SHUTTERS, BROKEN MS CHANNELS, TRUSSES, GIRDERS SHEETING, VALLEY GUTTERS, RIDGES, VERTICAL SHEETING, WALL DAMAGES, RUSTED ANGLES AND MISC BR WORKS AT ESD AND 507 ABW KANKINARA UNDER GE (N) KOLKATA

Amount

Taking out 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 Non-skid ceramic coloured tiles 7 to 8 mm thick (square/ rectangular) area of each tiles exceeding 0.11 sqm but not 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 directed.

Material and labour for glazed ceramic coloured tiles (300x200) x7mm thick in skirting/ dados etc. set and jointed in neat cement slurry and pointed in white or coloured cement to match the colour of tiles over and including 10mm thick rendering in CM (1:4) complete all as specified and directed.

Material and labour for light shade vitrified tiles 7 to 8mm thick (square/ rectangular) polished, area of each tiles exc.0.42 sqm & n.exc 1.0 sqm in floor set and jointed in neat cement slurry & pointed in white cement and pigment to match the colour of tiles over and including 15mm thick screed bed in cement mortar (1:6) complete as specified and directed.

Material and labour for light shade vitrified tiles 7 to 8mm thick (square/rectangular) polished, area of each tiles 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.

Supply and Fixing Solid PVC Wall Lining consisting of 5 mm thick decorative type coloured PVC sheet inclusive of solvent cement and fixing at site on PVC frame as per specifications after dismantling old unserviceable wall panelling (fibre, pulp, insulation,glass etc) any thickness including cover fillets complete all as specified and as directed.

Dismantling Wall and ceiling boards (fibre, pulp, insulation, etc.) or insulation boards/slabs/ blankets, any thickness, including cover fillets complete all as specifed and directed.

Supply and fix anodised aluminium snap grid frame work size of (605 x 605) mm for false ceiling including suspenders/ hangers 2mm dia GI wire (upto 1200mm length) adjusting level fixed to roof shads by means of ceiling cleats made out of GI flat 40x3 mm size 60mm long and expansio hold fasteners 12.5mm dia 40mm long complete all as specified as per manufacturers instruction complete all as specifed and directed.

Supply and fix of 4mm thick high pressure steam cured non asbestos fibre cement designer ceiling board of size grid mould (605x605)mm as specified above and fixing in grid mould with necessary fixing arrangement complete all as specified and as directed.

Supply and fix steel tubes, galvanised 15 mm bore, medium grade with all fittings & fixed complete to wall and ceiling or laid in floors etc after taking up or down 15mm dia old unserviceable steel tubing & connection complete all as specified and directed.

Supply and fix steel tubes, galvanised 20 mm bore, medium grade with all fittings & fixed complete to wall and ceiling or laid in floors etc after taking up or down 20mm dia old steel tubing & connection complete all as specified and directed .

Supply and fix 500 litres capacity multi-layered rotational moulded polythene water storage tanks (cylindrical vertical, with closed top), hoisted and fixed in position as specified in SSR Part I including taking down of old unserviceable water tanks and removing from site complete all as specified and directed.

Supply and fix 1000 litres capacity multi-layered rotational moulded polythene water storage tanks (cylindrical vertical, with closed top), hoisted and fixed in position as specified in SSR Part I including taking down of old unserviceable water tanks and removing from site complete all as specified and directed.

Material and Labour for preparation of old steel surface and applying one coat of synthetic enamel paint exc 10 cm width or girth complete all as specified and as directed.

Materials and Labour for 20mm thick granite over 20 mm cement screed base, laid and jointed with grey cement slurry mixed with pigment to match the shade of the slab including rubbing and polishing and demolition of old unserviceable one complete including dismantling old one complete all as specified and directed.

Material and labour for cleaning and removing all scale,dirt and fungus etc. from tanks and mouth of circulating pipes, with suitable cleaning chemical and brushing the wall and bottom of tanks, washing with clean water, writing letter i.e. "TANK CLEANED ON ......................(Date)" not exc. 100mm height with synthetic enamel paint for tanks of capacity 500 ltrs to 1000 ltrs complete all as specified and as directed.

Dismantling Asbestos cement/ GI/ Galvalume/ 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.

All as per Item no. 17 above but height exceeding 10 m and not exceeding 20 m 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 0.45 mm thick of any colour having tensile strength of 550 Mpa as in roof covering/ cladding to wall, not exc 10 m height from the average ground level and fixed with self tapping screws complete all as specified and directed.

All as per item no.19 above but height exceeding 10 m and not exceeding 20 m from the average ground level complete all as specified and as directed.

Supply and fix Pre-painted galvalume aluminum zinc coating GI based Plain steel sheet 0.5mm thick of any colour having tensile strength of 550 Mpa as in Ridges, fixed with self tapping screws complete all as specified and directed.

Supply and fix Pre-painted galvalume aluminum zinc coating GI based Plain steel sheet 0.5mm thick of any colour having tensile strength of 550 Mpa as in valley gutter, fixed with self tapping screws complete all as specified and directed.

Materials and Labour for hollow steel sections for structural use, designation CF, in roof trusses (framed), trussed, purlins, crane gantries, rails and fastenings and heavy bracket framing (Circular, Square, Rectangular Hollow Sections), including distance pieces, cleats, angle iron, plate etc welding as required, including dismantling old unserviceable structural works complete all as specified and directed.

M&L for preparation of new steel surfaces of any description not otherwise described over 10cm width or girth and applying two coats of synthetic enamel paint over one coat of red oxide primer complete all as specified and directed.

M&L for 75mm thick plain cement concrete (1:2:4) type B-2 (using 40 mm graded aggregate) as in sub base, filling, mass concrete etc including demolition of old unsv PCC bed complete all as specified and directed.

M&L for chequered cement concrete tiles 30cm x 30cm x 25mm thick, laid over 20 mm thick screed bed or bedding layer of mortar in CM (1:6) for laying floor finishes set, jointed with grey cement and pigment and pointed in neat cement slurry in floors including demolition of old unserviceable tiles complete all as specified and directed.

Supply and fix 2 mm thick Fibre Glass reinforced Translucent corrugated or semi corrugated sheeting conforming to IS: 12866-1989 ( Coloured ) with two corrugation side lap fixed with 'L' type or 'J' type or cranked hook bolts and washers in roof , walls etc for the building structures not exceeding 10 m height from the average ground level complete all as specified and as directed .complete all as specified and as directed . ( Make: Fibreways Technology or Shiv Sakti Fibre Udyog ( Roffit ) .

All as per item no. 27 above but height exceeding 10 m and not exceeding 20 m from the average ground level complete all as specified and as directed.

Material and labour for resecuring, easing, greasing / lubricating to sliding iron shutters including guide rails/ side hung iron shutters n.exc 10 sqm in area and making good of walls with existing finishes complete all as specified as directed. Note: Contractor shall arrange necessary scaffolding for repair at his own cost.

All as per item No. 29 above but exc 10 Sqm and n.exc 30 Sqm complete all as specified and directed. Note: Contractor shall arrange necessary scaffolding for repair at his own cost.

Supply and fix 0.63 mm thick MS sheeting, zinc coating 275, grade 'B' for covering to door shutter and wall cladding cut to size , holes punched including round headed screws or revets and fixed to steel member with one and half corrogation side lap joint with reveted seams including bending or turning up mitred angles etc. not exc 10 mtrs ht complete all as specified and as directed.

All as per item no-31 above but height exceeding 10 mtrs and ot exceeding 20 mtrs complete all as specified and directed.

Supply and fix 0.63 mm thick galvanised corrugated mild steel sheeting , zinc coating 275 , grade 'B' with two corrugation side lap , fixed with L-type or J -Type hook or cranked hook bolt and washer as in roof covering for the building structures not exceeding 10 m height from the average ground level complete all as specified and as directed .

All as per item No-33 above but height exceeding 10 mtrs and not exceeding 20 mtrs complete all as specified and directed.

Material and Labour for closing bolt holes in old corrugated steel/asbestos sheets by sealing with one bitumen and one curved GI washer on either side and 6 mm GI bolt and nuts , all set in stiff white lead , bolt n.exc 25 mm in length for the building structures not exceeding 10 m height from the average ground level complete all as specified and as directed .

All as per item No-35 above but height excceding 10 mtrs and not exceeding 20 mtrs complete all as specified and directed.

Demolition of Brickwork or stone/ boulder masonry, built in cement mortar complete all as specified and directed.

Material and labour for Brickwork with subclass ‘B’ bricks, 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 Brickwork with subclass ‘B’ bricks, 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 .

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).

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

Material and labour for applying three coats of white wash on new plastered surface of wall including preperation of newly plastered surface complete all as specified and directed.

Dismantling timber scantlings 40 sq.cm and over in framed section, in any position complete all as specified and directed.

Material and labour for Second class hard-wood in scantlings, clean sawn, fixed in timber framework for ceiling complete all as specified and directed.

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

Supply and fix Framed work as in doors or gates of angle or other section with gusset plates, rails, braces, etc., complete, drilled for fixing of steel sheeting or other covering. Doors, etc. to be prepared for hanging or sliding with and including either hooks and hinges or steel hanging door fittings Fe 410 -W (Gde E- 250) quality A (exclusive of steel sheeting or other covering, running rails and guides) and hanging; also fastening and fixing along with painted one shop coat of zinc chromate primer paint (including preparation of surface) at Contractor’s workshop before fabrication complete all as specified and as directed.

Supply and fix Rolled mild steel in Joist, channel, angle, or tee sections, Fe 410 -W (GdeE- 250) quality A fixed independently, without connecting plates, etc. complete all as specified and as directed.

Material and Labour for preparation of surface and applying one coat of synthetic enamel paint on old steel surface exc 10 cm width or girth complete all as specified and as directed.

Supply and fix 1.00 mm thick MS sheet for covering to door shutter and walling cladding, steel gates and similar work, cut to size, holes punched; including round headed screws, clout nails or rivets and fixed to wood or steel framing with plain 40 mm lap joints with riveted or welded seams, including bending or turning up, mitred angles, etc. as required complete all as specified and as directed. ( Note: Grade of Zinc coating 275 )

Supply and fix in repair 1.00 mm thick Steel rolling shutters, without ball bearing, as specified including top cover, anchoring rod, hasp and staple and one shop coat of primer; erected in position as indicated, gear operated type with chain wheel and hand chain including necessary scaffolding, if any, complete all as specified and as directed.

Supply and fix in repair safety lever locks mild steel with 4 levers for rolling shutters and making good the disturbed surface to match with the existing including necessary scaffolding, if any, complete all as specified and as directed.

Supply and fix in repair ball bearing for rolling shutters and making good the disturbed surface to match with the existing including necessary scaffolding, if any, complete all as specified and as directed.

S&F in repair aluminium door frame and shutter single leaf panelled door partly glazed and partly pre-laminated board door shutter divided into two panels fabricated including aluminium anodised snap beading and rubber gasket/lining for fixing of glass and pre-laminated board panel. The door frame shall be fixed aluminium anodised bolt by drilling in the existing wall and with thrust bolt of suitable size. The door frame and shutter shall be comprising of the following section and fitting complete all as specified and as directed. (a) Aluminium anodised door frame section 101.6x44.5x1.27 mm (b) Aluminium anodised styles of shutter section 85x44.5x1.56 mm (c) Aluminium anodised top & bottom rail of shutter section 101.6x44.5x2.5 mm (d) Aluminium anodised middle/lock rail of shutter section 100x44.45x2 mm (e) Aluminium anodised handle 250 mm long 02 Nos in each shutter (f) Aluminium anodised tower bolt 200 mm long as required as per normal (g) Six lever mortice lock brass (h) 03 Nos aluminium butt hinges 100mm long (i) 5 mm thick board. (j) 4 mm thick glass (Note: In case of two leaf, each leaf shall be measured seperately.)

J.S. Construction (BID ID -3364929)

CHOWDHURY SMALL INDUSTRIES (BID ID -3366278)

SPS TRADING (BID ID -3364447)

Friends Trading Co (BID ID -3365072)

SHANTI CONSTRUCTION (BID ID -3367167)

DSL ENGINEERING & CONSTRUCTION (BID ID -3364258)

SHIVAM ENTERPRISE (BID ID -3366710)