SPECIAL REPAIRS TO BLDG NO J-1 AND PROVN OF CHAIN LINK FENCING AROUND CHILDREN PARK NEAR J-3 AT 2 CBPO AND PROVN OF RO PLANT AT SALT LAKE UNDER GE (NORTH) KOLKATA

Amount

Taking down/dismantling loose/damage 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 so required and disposal of old debris to outside the premises complete all as specified and as directed.

Cleaning the existing surface of concrete and reinforcements as obtained after execution of item No. 01 here in before by wire brush including scrapping & cleaning with emery paper or by air blasting or sand blasting including foreign materials, loose concrete/aggregate etc and washing down with water as required complete all as specified and as directed.

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 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.

Material and labour for TMT bar upto 10mm dia as in stirrups cut to length bent to shape required including cranking ,bending etc and lapping ,welding as directed to the existing one complete all as specified and as directed.

Removing of concrete all around reinforcement (upto 12 mm dia bar) including from behind the reinforcing bars to give an average 25mm (but not less than 15mm clear air gap)by manual methods (using wire brushing, chiselling etc) and applying alkaline rust removing chemical followed by removing rust including from behind the reinforcing bars by emery paper and cleaning the area thoroughly by water and allow it to dry all as per manufacturer's instructions to give it a totally rust free finished steel surface complete all as specified and directed by Engr-in-charge.

Removing of concrete all around reinforcement (above 12 mm dia bar) including from behind the reinforcing bars to give an average 25mm (but not less than 15mm clear air gap)by manual methods (using wire brushing ,chiselling etc) and applying alkaline rust removing chemical followed by removing rust including from behind the reinforcing bars by emery paper and cleaning the area thoroughly by water and allow it to dry all as per manufacturer's instructions to give it a totally rust free finished steel surface complete all as specified and directed by Engr-in-charge.

M & L for providing single coat of epoxy bond adhesive of prepared non metallic surface (existing surface) and applying by brush all as per manufactures instruction/specification. The bonding agent shall have minimum compressive strength of 40 N/Sqmm and complete all as specified and directed by Engr-in-charge. ( Make : SIKA/FOSROC or any other equivalent as approved by GE )

Supply and application of Epoxy Zinc rich primer on the prepared steel surface by brush the primer shall have a minimium specific gravity 1.75 minimum weight film thickness/coat 40 microns and minimum adhesive bond strength with steel is 1.5N/mm2 complete all as specified and directed by Engr-in-charge. ( Make : SIKA/FOSROC or any other equivalent make as approved by GE )

M & L for providing and placing in position free flow non shrink cementitious micro concrete of Grade of M-50 to the effected beam, column etc . The micro concrete shall have a minimium 1 day compressive strength of 10 Mpa and 28 days strength of 50 Mpa, minimum tensile strength 5N/mm2 @ 28 days, minimum flextural strength 5N/mm2 @ 28days and complete all as specified and directed by Engr-in-charge.( Make : SIKA/FOSROC or any other equivalent make as approved by GE )

Supply, mixing and application two component structural grade polymer modified reinstatement mortar, where local spalling has taken place or shuttering is not possible . The mortar can be applyied in layers not exceeding 6mm thick in each layer in and upto any thickness in smaller vertical pockets and upto any thickness in horizontal applications. The mortar should have a minimium compressive strength 12N/mm2 in 1 day and 45N/mm2 in 28 days. Minimum flexural strength should be 8 N/mm2 in 28 days. A modified styrene butadience emulsion for use as a bonding aid and gauging liquid for cementious system to be mixed with cement slurry before the application of modified polymer mortar to be used @ 6 ltr/bag of cement. The bonding agent should have minimium compressive strength 24N/mm2. Minimum tensile strength 3.5N/mm2, minimium flexural strength 6.5N/mm2 upto 25 mm average thickness complete all as specified and directed. ( Make : SIKA/FOSROC or any other equivalent as approved by GE )

M & L for Use and waste of formwork to sides of pillars, posts, struts, piers, columns and stanchions for rough finished concrete surfaces complete all as specified and as directed.

M & L for Use and waste of formwork to sides of sides and soffits of beams, lintels, floors etc. for rough finished concrete surfaces complete all as specified and as directed.

M & L for Use and waste of formwork to fins, facia, louvers. parapet, chajja etc for rough finished concrete surfaces complete all as specified and as directed

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 etc including finish the surface even and fair without using extra cement 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 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 350x 250x 7mm/ 450X 350X 7mm as 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 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 as 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 manufacturer's 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 complete all as specified and as directed. (Make : CONPLAST X4211C of FOSROC/PLASTOCRETE PLUS of SIKA or equivalent brand of PIDILITE).

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 as directed.

Material and labour for rendering 05mm thick in cement mortar (1:3) on concrete surfaces in ceiling and finished the surface even and smooth without using extra cement complete all as specified and as directed.

Material and labour for preparation of newly plastered surfaces of wall and applying three coats of white wash complete all as specified and as directed.

All as per item No. 24 above but in ceiling complete all as specified and as directed.

Material and labour for preparation of new plastered surfaces of wall and applying two coats of cement base paint over a coat of cement primer complete all as specified & directed.

Material and labour for complete removal of existing treatment of old plastered surfaces of wall including washing, rubbing down and stopping of old treatment and applying two coats of cement base paint over a coat of cement primer complete all as specified & directed.

Material and labour for Complete removal of existing treatment of wall including washing, rubbing down and stopping of old treatment and applying 1.50mm thick wall care putty and applying two coats of oil bound distemper over a coat of alkali resistant primer to wall complete all as specified and as directed.

M&L for applying 1.5mm thick wall care putty and applying two coats of oil bound distemper over a coat of alkali resistant primer on newly plastered surface of wall complete all as specified and as directed.

Material and labour for preparation of old treated plastered surfaces of wall and applying one coat of white wash complete all as specified and as directed.

All as per item No. 30 above but in ceiling complete all as specified and as directed.

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. 32 above but 20mm 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. 34 above but 20mm dia complete all as specified and as directed.

All as per item No. 34 above but fixing only. Note: Serviceable GI pipe obtained from item No. 32 above shall be reused after cleaning.

All as per item No. 35 above but fixing only. (Note : Serviceable GI pipe obtained from item No. 33 above shall be reused after cleaning).

Supply and fix in repair 15mm dia Stop valve of PTMT any colour high pressure screwed for iron pipe and fixed (Minimum weight 90gms) complete all as specified and as directed.

Supply and fix in repair 15mm bore Bib tap (Minimum weight 90gms) standard of PTMT any colour high pressure screwed for iron pipe complete all as specified and as directed.

Supply and fix in repair 10 litre capacity PVC valve less, symphonic action type, flushing cistern, low level, white, with inlet, ball valve, float and handle including brackets and flush pipe of polyethylene of low or high density or PVC 32 mm dia, for low level cistern including PVC connections 15mm size with PTMT nuts and washer both side of length 450mm complete all as specified and as directed.

Supply and fix in repair machine cut cudappa stone slab 20-25mm thick as in cooking platform set or embedded on 20mm thick screed bed in CM(1:6) laid and jointed with grey cement slurry mixed with pigment to match the shade of the slab including rounding edges, rubbing and polishing complete all as specified and as directed.

Suply and fix in repairs stainless steel sink with drainage board made out of 1.00 mm thick sheet for kitchen with plug washers, waste pipe including bedding in cement mortar on dwarf wall or including cast iron cantiliver brackets connecting union overall size 915 X 460 mm with bowl size 405x355x178mm or 410x357x178mm complete all as specified and as directed (Model No.BSSBSD-52 of Blue Star/SBSD 05 of Joyna/ Equivalent brand of Prayag).

Supply and fix in repair vitreous China squatting pan, ‘Orissa’ pattern, size 580 x 440 mm white, with integral foot rests including 'P'or 'S' trap (excluding flushing cistern and flush pipe) including provision of lime concrete bedding complete all as specified and as directed

Supply and fix in repairs vitreous China wash basin white flat back, size 630 x 400 mm including PTMT waste coupling 32mm dia (min wt 45 gm), 15mm bore PTMT pillar tap,chain and plug and porcelain stopper etc. complete all as specified and as directed.

Supply and fix in repair 75mm dia over head shower of PTMT (Minimum weight 40gms) any colour for fixing with 15mm pipe complete all as specified and as directed.

Supply and fix in repair chromium plated towel rail of 20 mm dia, D type, 600mm long between flanges fixed with chromium plated brass screws and wooden/plastic cleats complete all as specified and directed.

Supply and fix in repairs grating doom 125mm dia of PTMT (Minimum wt 25 gm) complete all as specified and as directed.

Dismantling cast iron drain pipes of any dia, jointed in cement mortar obtained either from trenches/wall as required complete all as specified and as directed.(Note : Excavation if required, shall be measured and paid separately)

Supply and fix 100mm bore cast iron (Sand cast pipes) soil, waste and vent pipes in any length with or without ears, with cement joints, fixed to wall with MS clamp complete all as specified and as directed.

Supply and fix 100mm bore cast iron (Sand cast pipes) soil, waste and vent pipes in any length with or without ears, with cement joints, laid in trenches or in floors complete all as specified and as directed.

Supply and fix UPVC (SWR) pipe 110mm bore, type A, single socketed, in any length with rubber ring joints fixed to walls with and including PVC clip including taking down existing unserviceable rain water pipes complete all as specified and as directed.

Supply and fix UPVC bend/shoe 110mm dia complete all as specified and as directed.

Supply and fix 100mm bore cast iron bends (any radius), diminishing pieces or tapers (larger bore measured) complete all as specified and as directed

Supply and fix 100mm bore cast iron branch pieces, single (equal or unequal), ordinary or inverted (spigot or socket type) or with parallel branches complete all as specified and as directed.

Supply and fix 100mm bore cast iron cowls complete all as specified and as directed.

Supply and fix in repair 100mm cast iron Nahani trap, with grating including jointing to waste pipe fixed in cement concrete 1:2:4 type B1 complete all as specified and as directed.

Taking down wooden chowkats/frame not exceeding 1.5 Sqm each including wire mesh and fixing arrangement complete all as specified and as directed.

All as per item No. 58 above but exceeding 1.5 Sqm but not exceeding 4 Sqm each complete all as specified and as directed.

Taking down chowkats or frames with shutters (without taking off shutters from the frame) not exceeding 1.5 Sqm each complete all as specified and as directed.

All as per item No. 60 above but exceeding 1.5 Sqm but not exceeding 4 Sqm each complete all as specified and as directed.

Taking down shutters of any description exceeding 1 Sqm but not exc 2sqm each complete all as specified and as directed.

Refixing of shutters of any description exceeding 1 Sqm but not exceeding 2 Sqm each with old serviceable builders hard ware articles / with new builders hard ware articles if any. (Note : (i) New builders hard ware articles shall be paid separately under “Supply only item. (ii) Old serviceable shutter obtained from item No 62 shall be reused).

Supply and fix 2nd class hard wood , plain, solid , straight chowkats and frames, wrought, framed, rebated on the solid rounded or chamfered put together with glue pinned at joints complete all as specified and as directed.

Material and labour for treating ends of posts, backs of chowkats, etc., with tar or coal tar black paint area tarred exc 0.1 sq. m but n exc 0.5 sq. m each complete all as specified and as directed.

Supply and fix 35mm thick 2nd class hard wood factory made plain framed panelled door shutters, (two panel) with lock rail and panel of 12mm veneered particle board with commercial veneered on both faces and rail and stiles as per IS 1003(Pt-I), kiln seasoned and chemically pressure treated etc. complete all as specified and as directed.

Supply and fix 35mm thick 2nd class hard wood factory made glazed and skeleton door shutters, open rebated and prepared to received glass/gauge etc (without sash bars) edges of framing plain, chamfered or rounded and mitred , beads for securing glass etc the size of member of shutter as specified in SSR Part-I, clause 8.24 (a) complete all as specified and as directed.

Supply and fix solid PVC door frame of size 50mm x 47mm made out of 5mm plain colour PVC sheet reinforced with M.S. Square tube with EPDM gasket as per specification and drawing complete all as specified and as directed.

Supply and fix factory made solid panel PVC door shutter 30 mm thick (style) consisting of frame made out of M.S. tubes for top & bottom rails. M.S. frame shall be covered with heat moulded plain colour PVC ‘C’ channel having a PVC sheet strip of 20mm width stuck inside with solvent cement for stiles and plain colour PVC sheets for top rail, lock rail & bottom rail on either side & as gap insert for top rail & bottom rail; panelling of plain colour PVC sheet to be fitted in the M.S. frame welded / sealed to the stiles & rails with suitable PVC sheet beading, and joined together with solvent cement, as per specification and drawing complete all as specified and as directed.

Supply and fix powder coated aluminium frame for doors, windows, ventilators(including 2/3 track) with one or more rebates including joining cleat for fixing etc complete all as specified and directed.

Supply and fix sliding powder coated anodised aluminium window shutters for gauged/ gauged, aluminium section weighing 0.55kg/m including necessary joining cleats, roller rubber neoprene packing/gusket,etc complete all as specified and directed.(Note- Glass shall be measured and paid separately)

Supply and fix powder coated anodised aluminium glass louver /ventilators with blades of 10mm heavy duty with lever handle etc complete all as specified and directed.(Note- Glass shall be measured and paid separately)

Supply and fix 4mm thick sheet glass ordinary quality, glazing with oil putty in square not exceeding 0.5 Sqm in each pane fixed to aluminium frame complete all as specified and as directed.

Supply and fix 4mm thick frosted glass ordinary quality, glazing with oil putty in square not exceeding 0.5 Sqm in each pane fixed to wooden frame complete all as specified and as directed.

Supply and fix 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.

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 PCC (1:3:6) type C1 (using 20mm graded stone aggregate) for fixing of hold fasts block and similar work including necessary form work complete all as specified & directed.

Supply and fix mild steel work as in hold fast or similar article conforming to Fe-410-0 or Fe-310-0 including tarring and sanding complete all as specified and as directed.

Supply and fix 150mm floor door stopper of aluminium alloy body and tongue, anodised, with hard drawn steel spring, fixed in door complete all as specified and as directed.

Supply and fix 100 mm size butt hinges, medium weight, stainless steel and fixed complete all as specified and as directed.

Supply and fix 300mm long aluminium alloy, anodised, sliding door bolt with hasp, staple (bolt type) and fixing clips of sheet, cast or extruded sections and fixing bolts and sliding bolts of extruded sections or cast-aluminium alloy complete all as specified and as directed.

Supply and fix 150mm long aluminium anodised, barrel tower bolts of extruded section and fixed complete all as specified and as directed.

Supply and fix 150mm size extruded aluminum alloy handle fabricated type anodized (ISI Marked) complete all as specified and as directed.

Taking down pelmet boxes with old curtain rod and supply & fix Decorative /Fancy type curtain rods of length not exceeding 1.50 m of aluminium /brass alloy suitable of 25 mm dia alongwith fancy brackets and necessary fixtures complete all as specified and directed

Supply and fix in repairs pre laminated particle board 18/19 mm thick, interior grade one side decorative choice lamination & other side balancing white lamination fixed in cup boards shelves with front side 6mm thick teak wood lipping/edging complete all as specified and as directed.

Supply and fix in repairs pre laminated particle board 18/19 mm thick, interior grade one side decorative choice lamination and other side balancing white lamination fixed in cup boards shutters with 6mm thick teak wood lipping/edging all round complete all as specified and as directed.

Supply and fix 100mm long hasp and staple, safety type, brass with mild steel hinges pin including bolt to hinge plate and fixed with brass screw complete all as specified and as directed.

Material and labour for two coats of synthetic enamel paint over a coat of pink primer to new wooden surfaces of any description over 10cm width or girth including preparation of new surfaces complete all as specified and as directed.

Material and labour for one coat of synthetic enamel paint on wooden surfaces of any description over 10cm width or girth including preparation of old surfaces 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.

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

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

Material and labour for RCC 1:1.5:3 type A1 (using 20mm graded stone 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.

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

Supply and fix 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; barred iron doors; ladders; framed balusters; walk ways; railings; framework of water tanks and similar work 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.

Material and labour for applying one coat of synthetic enamal paint on steel surface of any description over 10cm widht or girth including preparation of old steel surfaces complete all as specified and 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.

M&L for Hardcore of gauge exc.63mm but not exc. 100mm ,deposited, spread and levelled in layers n.exc.15cm thick, watered/rammed to a true surface complete all as specified and directed.

Material & labour for providing 40mm thick cement concrete ,1:2:4 type B-1 using 20mm graded aggregate as in floor complete all as specified and as directed

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

Demolition of cement concrete of any description including any treatment there to and in any position provided as in roof padding, roof curb etc complete all as specified and as directed. Note: - (a) Demolition should be done carefully to roof slab. (b) Any damage occurred in the roof surfaces during demolition shall be made good by the contractor without extra cost to the department. (c) Disposal of old debris/retrieved material to outside the premises or as directed by the Engineer-in-Charge.

Material and labour for providing plain cement concrete 1:2:4 type B1 using 20mm graded stone aggregate as in roof padding laid in slope as per requirement mixed with integral water proofing liquid admixture as per manufacturer's instructions complete all as specified and as directed. Note : (i) Minimum thickness of PCC shall be 50mm. (ii) Integral water proofing liquid admixture shall be measured and paid separately under appropriate item.

Material and labour for water proofing treatment with APP based standard membrane over PCC padding in roof with the following courses of treatment :- (a) Apply bituminous primer (IS 3384) @ 0.40 Kg per sqm of the surface area including cleaning the surfaces complete all as specified. (MAKE : Pibial Primer of TEXSA or equivalent product of BITUMAT/ BITUNIL/SIKA/Hindcon/Asian/Berger) (b) Apply APP plastomeric bitumen based mineral finished water proofing membrane polyester reinforced(4 Kg/Sqm) with 10cm over laps and torch bonded at joints including surface preparation before and after application of treatment as per manufactures instruction complete all as specified. (Make of APP Membrane: Moply FP 4 Kg mineral of TEXA/WP Shield 103 PM of SIKA/Hindcon/Asian/Berger or Equivalent material of BITUNIL/BITUMAT) (Note :- Cost of cutting groove to parapet wall for inserting APP membrance and filling groove with cement mortar (1:3) is deemed to be included in the quoted rate.)

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.

Supply and fix in repair Rotational moulded polyethylene water storage tanks (multi layer) 1000 Ltrs capacity (Cylindrical vertical with closed top) hoisted and fixed in position complete all as specified and as directed.

Excavating in trenches, not exceeding 1.5 m wide or not exceeding 10 sq m on plan and not exceeding 1.5 m in depth for foundation etc and getting out in Soft/loose soil complete all as specified & directed.

Material and labour for providing cement concrete in foundations 1:4:8 type D2 ( using 40mm graded stone aggregate) filling and mass concrete complete all as specified & directed

M&L for reinforced cement concrete (nominal mix) 1:1.5:3, type A1(20mm graded aggregate) as in foundations, including rafts ,foundation beam, plinth beam, bases for coloumns and mass concrete complete all as specified and directed.

M&L for reinforced cement concrete (nominal mix) 1:1.5:3 type A1(20mm graded aggregate) as in columns, pillars, piers, posts and struts complete all as specified and directed.

M&L for use & waste of form work to the sides of concrete foundations,footings, bases of columns, rafts beams, sides and soffits(if any) of foundations and plinth beams for rough finished concrete surfaces complete all as specified and directed.

Material and labour for Rolled mild steel in framed work as in steel doors of gates of angles or other section with gusset plates, rails, braces, etc. complete, conforming to Fe-410W (Gde-E-250) quality 'B', drilled for fixing of steel sheeting or other covering. Doors etc to be prepared hanging or sliding with and including either hooks and hinges or steel hanging door fittings (exclusive of steel sheeting or other covering, running rails and guides) and hanging, also fastening and fixing complete all as specified and directed.

Material and labour for mild steel, plain, black sheet 1.60mm thick in steel gates, wall cladding and similar works, cut to size, holes punched, including round headed screws clout nails or rivets and fixed to wood or steel framing with plain 40mm lap joints with riveted or welded seams including bending or turining up, mitred angles etc, as required complete all as specified and directed.

Material and labour for providing cement concrete as in foundations 1:2:4 type B2 (nominal mix using 40 mm graded stone aggregate) filling and mass concrete for securing/ fixing of fencing post/ strut in under water including necessary formwork and dewatering as required at site complete all as specified and directed.

Supply and fix rolled mild steel Fe-410 (Grade E-250A) angle or tee section as in post, cut to length and bend to shape as directed, fixed independetly without connecting plate etc, including provision of 04 to 06 Nos gaps/cuts/holes in each post for providing/laying barbed wire and one coat of red oxide zinc chrome primer after preparation of new steel surfaces complete all as specified and as directed. (Note :- Supply and fix barbed wire shall be measured and paid separately)

Supply and fix mild steel wind ties for roof including securing bolts; posts and struts in fencing including cutting tops to shape as directed, drilling holes, notching for wire,etc.; flat iron fillets( for securing wire mesh etc.) including all necessary dilling , bolting or riveting etc; and similar work conforming to Fe-290 Gde E-165 complete all as specified and as directed.

Supply and fix mild steel 5-10 mm diameter of shank screw bolts (machine made) with hexagonal or square heads at one end and screwed the other, or screwed both ends, each screwed end to be fitted with washers and one hexagonal or square nut, length of bolt n.exc 5 cm long complete all as specified and directed. (Bolt to be embeded into RCC fencing post while casting)

Supply only mild steel 10 mm dia round bars (Fe-410-W (Gde E-250 quality-A or Fe 290 (Gde - E-165)) as line wire for holding chain link mesh including applying two coats of synthetic enamel paints over a coat of red oxide zinc chrome primer complete all as specified and directed.

Supply of PVC coated chain link fencing 50 mm x 50 mm mesh, 4 mm thick, made out of mild steel galvanised hot drip wire including provision of binding wire complete all as specified and directed.

Fixing only epoxy coated chain link fencing including line wires , any mesh , size and type to any type of standards , rails , straining bolts/nuts etc including provision of binding wire complete all as and as directed .

Material and labour for applying two coats of synthetic enamel paints over a coat of red oxide zinc chrome primer to new steel surfaces not otherwise described, not exceeding 10 cm width or girth complete all as specified and directed.

Surface excavation n.exc. 30 cm deep and averaging 15 cm deep and getting out in soft/loose soil complete all as specified and as directed.

M&L Sand filling under floors or in foundations including watering and consolidation etc complete all as specified and directed.

Material and labour for Machine pressed precast conctete interlocking paver block any shape and size confirming to IS 15658-2006 of 60 mm thickness, M-35 grade, with grey cement and pigments and laid over sand cushioning as required complete all as specified and as direded.

Returning filling in including spreading, leveling, watering and well ramming in layers not exc 25 cm in soft/loose soil complete all as specified and as directed.

Removal of surplus excavated soil to a distance exc 50m and n.exc. 250 m and depositing where directed at a level n.exc. 1.5m above the starting point complete all as specified and as directed.

Excavation in post holes ( or similar holes) each n exc 0.5cum, getting out,returning filling in and ramming earth or broken rubble mixed with earth around, in layers not exceeding 25cm in soft/loose soil complete all as specified and as directed.

Removal of surplus excavated soil to a distance exc 50m and n.exc. 100 m and depositing where directed at a level n.exc. 1.5m above the starting point complete all as specified and as 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.

S&F mild steel Plates (plain or chequered)channels, square cut or notched (ordinary and counter sunk) forming holes, with riveted, bolted or welded attachment confirming to Fe 410 -W(Gde-E- 250)quality-A complete all as specified and directed.

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

Taking down carefully copper / aluminium point wiring (light, fan, socket or power) complete including fittings and fixtures such as switches, bell push, call bell, ceiling rose, sockets, switch sockets, regulator, lamp holder etc by unscrewing from board carefully and keep aside to store in safe custody or for taking credit including making good of the disturbed surfaces complete all as specified and directed.

Material and labour for point wiring (Concealed type) with PVC insulated FRLSH cable 1100 volts grade unsheathed single core multi-stranded copper conductors 1.5 sqmm (nominal area) for phase, neutral and 1.5 sqmm PVC insulated unsheathed multi-stranded copper conductor cable for earth continuty conductor drawn through and including PVC rigid conduit (medium grade) of adequate size with fittings and accessories pressed steel sunken modular metal flush mounting box concealed in wall for fixing switches, sockets, regulator etc and earth continuty conductor shall be connected to common earth and earth dolly for one light/fan point controlled by one way switch complete all as specified and as directed. (Note: Chases cutting and making good the disturbed surfaces to match with the existings shall deemed to be included in the quoted rate)

All as per item No 134 here in above but for One 3/5pin 6 Amp Socket outlet on the independent board complete all as specified and as directed.

All as per item No 134 here in above but for One 3/5pin 6 Amp Socket outlet on the same board with other switches complete all as specified and as directed.

All as per item No 134 here in above but for One call bell point controlled by one bell push switch complete all as specified as directed.

Material and labour for point wiring (Concealed type) with PVC insulated FRLSH cable 1100 volts grade unsheathed single core multi-stranded copper conductors 2.5 sqmm (nominal area) for phase, neutral and 2.5 sqmm PVC insulated unsheathed multi-stranded copper conductor cable for earth continuty conductor drawn through and including PVC conduit (medium grade) of adequate size with fittings and accessories pressed steel sunken modular metal flush mounting box for fixing switches, sockets, regulator etc and earth continuty conductor shall be connected to common earth and earth dolly for 3/5 pin 16 amps socket point on independent board complete all as specified and as directed. (Note: Chases cutting and making good the disturbed surfaces to match with the existings shall deemed to be included in the quoted rate)

Material and labour for sub-main wiring (Concealed type) with two run of PVC insulated, unsheathed, FRLSH single core, multistranded copper conductors of size 6.0 Sq mm and one run of 6.0 Sqmm copper conductor as continuity earth wire, drawn through and including PVC rigid conduit (medium grade) of adequate size with fittings and accessories as required at site and taking down old sub main wiring with conduit complete all as specified and as directed. Note:- (Note:(i) Two run of 6.0 sqmm copper conductor, one run of 6.0 sqmm earth continuity wire and one run of PVC conduit shall measured as one unit.

Supply & fix Modular switch, one way, 6 Amp, 1 module complete all as specified and directed.

Supply & fix Modular switch, one way, 16 Amp, 1 module complete all as specified and directed.

Supply & fix Modular Bell push 6A,1 Module complete all as specified and directed.

Supply & fix Modular socket, 6A-2/3 pin combined 2 Module complete all as specified and directed.

Supply & fix Modular socket, 6A/16A-2/3 pin combined 2 Module complete all as specified and directed.

Supply & fix Modular electronic fan stepped regulator, 120 watt, 2 module complete all as specified and directed.

Supply and fix Modular white cover plate with frame- 1 Module complete all as specified and directed.

Supply and fix Modular white cover plate with frame- 2 Module complete all as specified and directed.

Supply and fix Modular white cover plate with frame- 3 Module complete all as specified and directed.

Supply and fix Modular white cover plate with frame- 4 Module complete all as specified and directed.

Supply and fix Modular white cover plate with frame- 6 Module complete all as specified and directed.

Supply and fix Modular white cover plate with frame- 8 Module complete all as specified and directed.

Supply and fix in replacement call bell Ding Dong, AC, 230V single pole complete all as specified as directed.

Supply and fix ceiling rose surface bakelite, three terminals complete all as specified and directed.

S & F MCB triple pole & neutral 40A, 415 Volts, 10 KA, 'C' series with all incoming and outgoing connecting complete all as specified and directed

Supplying & fix LED tube light fittings, 1 x 18 watt with connector block etc. complete with all accessories and connecting the same to ceiling rose with using copper conductor flexible twisted twin core cable and fixing the light fittings to walls / roof complete all as specified & directed.

Supply and fix lamp holder PVC polycarbonate type with cord grip cap sutiable for pendant fittings complete all as specified and as directed.

S & F LED Blub 10 watt Self Ballasted Retrofit type lamp with PBT body shell and DC diffuser CCT 6500 K with fitting complete all as specified and directed.

Supply and fix in repair powder coated sheet metal enclosure (in concealed) single pole & neutral for DBs (Double door) 8 way, 240 V with 200 amps rated busbar DIN channel, neutral link & earth link superline complete all as specified as directed.(Note: Chases cutting and making good the disturbed surfaces to match with the existings shall deemed to be included in the quoted rate)

Supply and fix in repair MCB single pole & neutral 6 to 32 amps, 240 volts, 10 KA, 'C' series with all incoming / outgoing connections with proper size of aluminium lugs complete all as specified as directed.

Supply and fix in repair MCB single pole 6 to 32 amps, 240 volts, 10 KA, 'C' series with all incoming / outgoing connections with proper size of lugs complete all as specified as directed.

S & F LED building security light fitting 35W new generation energy saving and environmental friendly long life LED street light made up of pressure diecast aluminium housing with high power LED as lighting source and lens embedded PC cover having seperate driver compartment with IP65 protection and impact resistance of IK07 including mounting bracket of suitable size complete all as specified as directed.

S & F in repair LED light fitting, 1x10/1x9 W bulk head luminaries, with LED lamp, etc. complete with all accessories and including connecting up with twin core twisted flexible copper conductor cable of suitable size complete all as specified and as directed.

Taking down fan, sealing cable end, dismantling blades and removing fan and blades to store complete all as specified and as directed.

Material and labour for spray painting with synthetic enamel paint(first quality), glossy finish, to Ceiling fan/exhaust fan/air circulator wall mounted fan/floor mounted fan any make, model and size, including blades/down rods/ canopy/stand, casing/ cage and all accessories after preparation of surfce including thoroughly rubbing /cleaning old rusted spot complete all as specified and as directed.

Hanging only ceiling fans (M.D. supply) and connecting up including provision of cable from ceiling rose or connector to fan complete all as specified and as directed.

Supply and fix exhaust fan made of sturdy engineering plastic complete with louvers shutters 250 mm sweep, 230V, AC 50 Hz, copper winding and mounting accessories including connections complete all as specified and directed.

Supply and fix exhaust fan 230 mm sweep, metal body, 230V, AC 50 Hz, copper winding and mounting accessories including connections all as specified and directed.

Supply and fixing Air termination single pointed aluminium rod 12mm dia and 300 mm long single pointed at top and mounted on GI pipe with two numbers of MS clamp of sutiable size and connecting up with Aluminium strip complete with clamps and all accessories all as specified and as directed. (Note: GI pipe for termination rods shall be measured and paid separately).

Supply and fixing aluminium strip size 25x3.15 mm with saddles and fixing screws for roof conductors and down conductors above ground fixed to roof by means of stand of hold fast placed on PCC blocks/insulated blocks and fixed to walls/ parapet on insulated saddles complete all as specified and as directed. (Note: Aluminium strip in roof conductors shall not be directely fixed/touching on roof surface).

Supply and fixing GI strip 32x6mm burried in ground 150mm below normal ground level including connecting up with earth electrode plates of earthing on both ends with GI nuts, bolts and washers in addition to weilding including all excavation earth work and returning filling, compacting etc complete all as specified and directed. (Note: earthing strip shall not pass through or be enclosed/encased into any metallic pipe).

S & F Test point terminal block made of gun metal or phosphorous bronze size 75x75x25 mm grilled and screwed including 3 nos of 8 mm dia 25 mm long hexagonal head brass screws complete all as specified and as directed

Material and labour for earthing with galvanized steel earth plate electrode 600 x 600 x 6 mm thick, buried directly in ground ( earth pit not less than 2.25 mtrs deep below GL) with top edge of the plate not less than 1.5 mtrs below normal ground level, connected to galvanised earth lead wire 4.0mm dia by means of bolts, nuts, check nuts and washers of galvanized iron or steel, earth lead wire protected by and including 15mm dia GI pipe (Light grade) and 20mm dia GI pipe (medium grade) with Funnel for watering and connected to control switch as directed including necessary earthwork as in soft/loose soil, concrete pit in PCC (1:3:6) type C1, pre cast RCC (1:1.5:3) type A1 cover slab duly reinforced with 8mm dia TMT bar @ 150mm C/C both way and two Nos lifting handle made of 8mm dia TMT bar and set in cement mortar (1:4), funnel, wire mesh, char coal or coke and salt in alternate layer, testing, etc complete and as specified in electrical plate No 3 of SSR Pt I complete all as specified as directed.

Material and labour for earthing with galvanized steel earth plate electrode 600 x 600 x 6 mm thick, buried directly in ground ( earth pit not less than 2.25 mtrs deep below GL) with top edge of the plate not less than 1.5 mtrs below normal ground level, connected to galvanised earth strip 25x4mm by means of bolts, nuts, check nuts and washers of galvanized iron or steel, earth strip protected by and including 15mm dia GI pipe (Light grade) and 20mm dia GI pipe (medium grade) for watering and connected to control switch as directed including necessary earthwork as in soft/loose soil, concrete pit in PCC (1:3:6) type C1, pre cast RCC (1:1.5:3) type A1 cover slab duly reinforced with 8mm dia TMT bar @ 150mm C/C both way and two Nos lifting handle made of 8mm dia TMT bar and set in cement mortar (1:4), funnel, wire mesh, char coal or coke and salt in alternate layer, testing, etc complete and as specified in electrical plate No 3 of SSR Pt I complete all as specified as directed.

M&L for cutting chases, pinning in making good to facing where required and pointing in cement mortar (1:3) to ends or edges of landing, steps, cills, sunshades sheleves, lintels, etc and cutting chases for concealed water tubing or concealed conduict wiring etc and making good cutting not exc 10 cm grith complete all as specified and directed.

Excavation in trenches in hard/dense soil not exceeding 1.5 mtr wide and not exc 1.5 m depth for laying of GI pipes and getting out spoil complete all as specified and directed.

Removing excavated soil n.exc 50 mtr and deposited where directed at a level n.exc 1.5 m above the starting point complete all as specified .

Cutting existing steel tubing for alterations or additions (Each cut measured) of 40 mm bore complete all as specified and directed.

Screwing existing steel tubing for alterations or additions (or lengthening screw on pipe to form connector) of 20 mm bore complete all as specified and directed.

S&F GI steel water tubing, medium grade, 20 mm dia, including fittings/accessories like sockets, bend, elbow, union etc and laying in trenches including taking out old unserviceable pipe complete all as specified and directed.

S&F GI steel water tubing, medium grade, 25 mm dia, including fittings/accessories like sockets, bend, elbow, union etc and laying in trenches including taking out old unserviceable pipe complete all as specified and directed.

S&F GI steel water tubing, medium grade, 40 mm dia, including fittings/accessories like sockets, bend, elbow, union etc and laying in trenches including taking out old unserviceable pipe complete all as specified and directed.

S&F GI steel water tubing, medium grade, 50 mm dia, including fittings/accessories like sockets, bend, elbow, union etc and laying in trenches including taking out old unserviceable pipe complete all as specified and directed.

M&L for size 40 mm dia, gunmetal globe/gate valve with iron wheel head, screwed both ends for iron pipe and fixed complete all as specified and directed.

Material and labour for sand cushioning with clean dry sand in trenches for cable protection complete all as specified and as directed. (Note:- Punned depth only shall be measured and paid)

Supply and lay sub class 'B' bricks laid dry in trenches for cable protection laid with its longitudinal axis perpendicular to the cable axis complete all as specified and as directed

Supplying, Laying, connecting, testing and commissioning of XLPE insulated and PVC sheathed, armoured heavy duty UG cable with stranded alluminium conductors 50sqmm x 3.5 core,1100 Volt grade, laid in trenches/wall/floor etc. ,complete all as specified and as directed. (Note :- (i) Pipe and bricks for cable protection, sand cushioning and earth work shall be measured and paid separately)

Supply and fix galvanised iron pipe 80 mm bore, light grade for protection of UG cable, laid in trenches/wall etc complete all as directed.

S&F single phase electronic energy meter with LCD display of rating 5-30 amps, class 1.0, 240V, 50 Hz counter type display with transparent hinge including connection from SPN to meter with 6 Sqmm copper stranded conductor including earth wire with M.S sheet housing of size 14 x 14 inch for energy meter and MCB, SP, SPN, DB BOX complete all as specified and directed.

Supply and fix in replacement vertical TPN DB with MCCB incomer of 4 way in double door suitable for four pole MCCB (63A/100 A)as incomer including MCCB+12 modules incoming and outgoing make good of damaged surface/wall including re-connection with existing earth wire to DB complete all as specified and as directed. (Note: MCCB shall be measured and paid seperately).

Supply and fix in replacement MCCB four pole 40-100 amps,16 KA, with all incoming / outgoing connections suitable for fix 4 way vertical type TPN DB in double door with proper size of aluminium lugs complete all as specified as directed .

Supply, installing , testing and commissioning 1000 Ltrs per hour RO (Reverse Osmosis) water treatment plant of treated water quality parameters ( like TDS < 100 PPM and NIL bacteria recorded) integrated with high pressure pump, FRP moulded IRP and activated carbon filters along with media, Raw water feed pump, housing membranes and UV sterilizer, pressure gauge, dozing pump, 1000 ltrs SS tank along with panel board and floaty, high/ low pressure switch with pipe line and other necessary fitting arrangements complete all as specified and as directed by Engr in charge. (Make : Royal Aqua or equivalent as approved by GE).

M&L for size 25 mm dia, gunmetal globe/gate valve with iron wheel head, screwed both ends for iron pipe and fixed complete all as specified and directed.

Supply and fix in repair Rotational moulded polyethylene water storage tanks (multi layer) 2000 Ltrs capacity (Cylindrical vertical with closed top) hoisted and fixed in position complete all as specified and as directed.

Material and labour for mild steel in the form of bars/ angles/pipe and welding works to fabricate net frame/ base channels of pump/ supporting column pump/delivery pipe etc complete all as specified and as directed.

Supply and fix switch piano flush button 5/6 Amp single pole, one way complete all as specified and as directed.

Supply and fix socket outlet 5 Pin, 5/6 Amps flush type complete all as specified and as directed.

Supply and fix switch socket combination 5 Pin 15/16 Amp flush type with complete all as specified and as directed.

Supplying, Laying, connecting, testing and commissioning of XLPE insulated and PVC sheathed, armoured heavy duty UG cable with stranded alluminium conductors 16sqmm x 4 core,1100 Volt grade, laid in trenches/wall/floor etc. ,complete all as specified and as directed. (Note :- (i) Pipe and bricks for cable protection, sand cushioning and earth work shall be measured and paid separately)

Supply and fix galvanised iron pipe 40 mm bore, light grade for protection of UG cable, laid in trenches/wall etc complete all as directed.

BHARUKA ENTERPRISES (BID ID -3147545)

DNS CONSTRUCTION COMPANY (BID ID -3150344)

ELECTRO COMMERCIAL CO (BID ID -3148778)

SETH GHANSHYAM DAS LAKHMAMI AND CO (BID ID -3150225)

PINKY CO. (BID ID -3146485)

PODDAR SALES CORPORATION (BID ID -3147795)

JHAWAR SUPPLIERS (BID ID -3147575)

S Majumder and Construction (BID ID -3148483)