REPAIRS/REPLACEMENT TO BOUNDARY WALLS, GRILLS, RCC JALLI WALL, MOAT ALONGWITH ASSOCIATED STRUCTURES/FACADES AT ZONE-II OF AGE B/R-II UNDER GE (FW) KOLKATA

Amount

Demolition of cement concrete (reinforced) of any description and in any position not otherwise specifically provided for, all as specified and as directed by the Engineer-in-Charge.

Demolition of Brick Work built in Cement Mortar including all Quoins, Arches, Pillars, etc. of any descriptions, complete all as specified and as directed.

S&F in repair 40 mm thick precast cement concrete Type B-0 (1:2:4) (using 12.5 mm graded crushed stone aggregate) louvers and jallies including all moulding, but excluding frame set in cement mortar 1:4 including dismantling of existing jalli complete all as specified and as directed.

M&L for brick work with sub class `B’ fly-ash bricks, straight on plan exc 6m mean radius built in cement mortar 1:6 complete all as specified and directed.

M&L for use and waste for form work to sides and soffits of floor or roof beams , beam haunching , girders , bressummers , lintels , cantilevers , shelves including supports , overhangs etc also splays between floors and beams for rough finished surfaces of concrete flat complete all as specified and directed

M & L for RCC type A1 1:1½:3 (nominal mix) (using 20mm graded crushed stone aggregate ) as in beams, cantilevers, bressummers , lintels over 1.5 mtr span complete all as specified and directed

M&L Pre-cast Reinforced Cement Concrete type A1(1:1½:3) using 20 mm graded crushed stone aggregate) by volumetric mix as in Cover Slab of drain, Man Holes, Septic Tanks, etc., set in Cement Mortar 1:4 including necessary forms, moulds, etc., complete all as specified and as directed.

M&L TMT Bars 10 mm dia and over, cut to length, bent to shape required including crank-ing, bending and binding with and including Mild Steel Wire (annealed) not less than 0.90 mm, complete all as specified and as directed.

M&L for TMT bars 5 mm dia and over upto and including 10 mm dia in stirrups , spacers and binders cut to length , bent to shape required as in reinforcement and binding with MS wire ( annealed ) not less than 0.90 mm dia complete all as specified and directed .

Dismantling AC corrugated roof sheets as in roof coverings including AC ridge complete.

Dismantling of plain or corrugated steel sheeting any gauge or any thickness in roof covering including stacking serviceable materials of re-use and removing unserviceable materials complete all as specified and directed.

S&F 0.50 mm thick TCT (total coated thickness) pre-coloured galvalume sheets with minimum base metal thickness of 0.45 mm, single skin high rib/multi rib profile galvalume sheeting having 1000-1020 mm width and 28-30 mm high crest @ maximum 250-255 mm pitch (centre) with sheets manufactured out of 0.50 mm this TCT (total coated thickness) high tensile galvalume sheets having tensile strength 550 MPA with 18-20 micron top coat over 5 micron primer and 8-10 micron alkyld backer zinc aluminium alloy AZ-150, sheets having a dip metallic zinc (43.5%0 aluminium (55%) & silicon (1.5%) with total mass coating of 150 gms/sqm on both sides, having wide pans with minimum 3 small stiffening ribs for effective water shedding and special male/female ends with full return legs on laps for purlin support and fixed as per existing profile of roof complete all as specified and directed.

All as per Item No. 12 above but 0.50 mm thick coloured plain galvalume sheet as in ridge/valley gutter of roof.

M & L for 6 mm thick asbestos cement, corrugated sheet in roof, wall fixed with L type or J type hook complete all as specified and directed.

M&L for Asbestos cement one piece plain angular ridge 6mm thick, fixed with coach screws complete all as specified and directed.

Dismantling Structural Steel Work including Doors, Gates but excluding Framed Truss etc. complete all as specified and as directed.

Dismantling posts or struts (wood, steel or RCC) any section, including taking out embedded portion and making good disturbed ground post embedded in concrete, complete all as specified and as directed.

Dismantling of fencing, wire mesh any type complete all directed by Engineer - in -Charge.

Excavating in post hole (or similar hole) each n exc 0.5 cum getting out, returing, filling in and ramming earth or broken rubble mixed with earth around, in layers not exceeding 25 cm, watering, and removing surplus soil to a distance n exc 50 M and making good surface in soft and loose soil complete all as specified and as directed.

M&L PCC 1:3:6 type C2 (Using 40 mm graded stone aggregate) in Foundation, filling and mass concrete complete all as specified and as directed.

S&F in repair Acrylic fabric (for awning), solution dyed, resistant to UV light, mould and water, foldable shape, in strip pattern, fixed in existing framework including taking down old fabric cloth any size and shape including dismantling of existing unserviceable fabric complete all as specified and directed. (NOTE: Fabric shall be procured only after approval of sample by GE)

M&L for Cast iron work grade FG 150, unmachined, in brackets, gully traps, gratings, railing, frames, manhole covers, fire and soot doors, dampers, stop valve boxes, gate stops, parts of ranges, balusters and similar articles exceeding 5 Kg each complete all as specified and directed.

S & F ornamental MS framed work such as grills, gate, gratings etc with end of bars shouldered and rivets welded etc framed guard bars barrel iron door ladder framed balusters walk ways, railing, conforming to Fe-290, Gde-E-165, including, complete all as specified and as directed.

S & F MS angle, flats, etc independently fixed without connecting plates etc but ordinary length conforming to FE-410-W(Gde-E-250)quality A as in fencing posts including drilling holes for nuts and bolts and similar work complete all as specified and as directed.

Re-fixing of RCC post or angle iron post (obtained from item No 17) complete all as specified and as directed.

M&L Mild Steel Screw Bolts (machine made) 5mm to 10mm diameter of neck and length of bolt exc 5 Cm and not exc. 10 Cm 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, complete all as specified and as directed.

S & F MS 10 mm dia round bar and fixed independently to angle iron for chain link fencing cut to length, bend to shape required, complete all as specified and as directed

Supply and fixing in repairs galvanized 2 strand steel barbed wire fencing conforming to IS : 278, with 2.24 mm dia. barb wire conforming to IS : 280 with zinc coating as per IS : 4826, barbed with 2 mm dia. barbs at 75 mm spacing and straining and fixing to any type of standard rails/RCC fencing posts straining bolts, including securing or tying at crossing with and fixing of galvanized mild steel wire, staples or steel pins etc., incl dismantling of existing barbed wires complete all as specified and directed. (Note: - Each line of wire will be measured)

S&F 3mm dia PVC coated galvanised mild steel chain link fencing of mesh size 75x75mm fixed with straining bolts including line wire any mesh size and type to any type of standards, rails, straining bolts etc. including provision of binding wire, complete all as specified and as directed.

Re-fixing of old serviceable chain link fencing (Chain link fencing obtained from item No 15) including line wires, any mesh, size and type to any type of standards, rails, straining bolts, etc. including provision of binding wire complete all as specified and directed.

Supply and fixing in repairs concertina coil (reinforced punched barbed tape single layer) for fencing work complete all as per following specifications :- (i) Diameter of concertina coil - 600 mm dia (ii) Number of turns in concertina - 50 to 53 turns (iii) Weight of each coil - 9.5 to 10 KG (iv) Coverage per coil - 6 m (v) Central core wire - made from high tensile spring steel core wire conforming to IS-4454 duly hot dipped galvanised (conforming to IS-2629) with diameter 2.59 mm + 0.05 mm, UTS 145-160 kg/sqmm, zinc coating 250-300 grams/sqm (vi) Strip - Electro galvanised steel strip 0.5 mm + 0.02 mm thick, width 19 mm (before wrapping on central core wire) conforming to IS-1573, zinc coating - 120 gram/sqm and bituminised dipped, width of barbs 11.5 mm, pitch of barbs 25.4 mm+ 0.2 mm (vii) Clips - AISI 304-1.5 mm thick 'C' & 'U' clips. 'C' special type for fixing coil and RBT wire, 'U' clips special type for joining one coil to another coil and RBT wire to RBT wire joining. (viii) No. of clips - 125 for each coil (ix) Handle and spikes to be provided as required (NOTE : 1. The concertina coil shall be fixed with barbed wire which shall be measured and paid separately. 2. Running length of the wall shall be measured for payment purpose).

M&L Preparing new Steel or Iron Surfaces of any description, over 10 Cm width or girth and applying Two Coats of Synthetic Enamel Paint over a coat of Red Oxide/ Zinc Chrome Primer, complete all as specified and as directed.

Demolition of Cement Concrete (un-reinforced) in Ground Floors and Pavings not exc. 150mm thickness (above or below Ground Level), complete all as specified and as directed.

M&L for 75 mm thick PCC 1:3:6 type C-2, using 40mm graded stone aggregate finished even and fair complete all as specified and as directed.

M&L for 100mm thick PCC 1:2:4 type B2, using 40mm graded stone aggregate finished even and smooth without using extra cement complete all as specified and directed.

M&L for PCC (1:3:6) type C-2 using 40 mm graded stone aggregates as in surface channels and drains including necessary form work complete all as specified and directed.

Forming fair finished drain or channel any inner girth in cement concrete, using extra cement, including forms, mould, mitred/stopped ends etc.

Add or deduct for 25mm girth or part there of over or under 30cm girth in cement concrete, using extra cement, including forms, mould, mitred/stopped ends etc. complete

M&L Plain Cement Concrete 1:2:4 B-1(20mm graded crushed stone aggregate) as in roof, kerbs or mud stops, round and chamfered on edge, including providing necessary form work complete all as specified and as directed.

Supply and laying 450 mm bore reinforced concrete pipe of Class NP-2, with collars, laid and jointed complete all as specified and as directed by the Engineer-in-Charge.

M&L for concrete bed to drain pipes incl packing under and haunching against the sides of pipe after they and laid tested in cement concrete 1:4:8 type D-2 (bore of pipe 450mm) complete all as specified and directed.

Taking down cement or cement or cement lime plaster on brick or stone walls, etc. including raking out joints, hacking for key, scrubbing down with water, etc.

M&L 5 mm thick rendering in cement mortar (1:3) to brick or concrete ceiling surfaces, finished even and smooth without using extra cement all as specified and as directed by the Engineer-in-Charge.

M&L 15 mm thick rendering in cement mortar (1:6) to brick or concrete wall surfaces, finished even and smooth without using extra cement all as specified and as directed by the Engineer-in-Charge.

M&L 15 mm thick rendering in cement mortar (1:4) to brick or concrete wall surfaces, finished even and smooth without using extra cement all as specified and as directed by the Engineer-in-Charge.

M & L Providing precast reinforced cement concrete RCPC drain cover 100 mm thick of size 900mm x 600 mm as in drain cover with capacity 3MT complete all as specified and directed.

M & L Providing precast reinforced cement concrete RCPC drain cover 100 mm thick of size 600mm x 450 mm as in drain cover with capacity 3MT complete all as specified and directed.

Demolition of stone slabs and tiles of any description or thickness in floors/vertical surfaces, etc laid, bedded and pointed in any mortar, etc complete all as specified and directed by Engineer-in-charge.

Dismantling floor hearth or wall tiling of any description of any thickness incl cement mortar bedding etc, complete all as specified and directed by the Engineer-in-Charge.

M&L Vitrified ceramic coloured tiles dark shade 10mm thick (square/rectangular ) polished, area of each tiles exceeding 0.36 Sqm and but not exceeding 0.42 Sqm in floors etc set and jointed in neat cement slurry and pointed in white cement mixed with pigment over and including 20 mm thick screed bed in cement mortar 1:6 complete all as specified and directed.

S&F Non skid ceramic tiles 7 to 8 mm thick (square/rectangular) area of each tile exceeding 0.18 sqm but not exceeding 0.38 sqm, coloured tiles as in floor etc set and jointed in neat cement slurry and pointed in white cement mixed with pigment over and including 20 mm thick screed bed in cement mortar 1:6 complete all as specified and directed.

M&L Glazed Ceramic coloured tiles of size 350x450x7mm thick in vertical surfaces, set and jointed in neat cement slurry and pointed in white or colour cement to match the colour of tiles fixed over and including 10mm thick screed bed in cement mortar (1:3) complete all as specified and directed.

Supply and fixing 20mm thick pre-polished decorative cement concrete tiles of size 300mm x 300mm, as in flooring over and including 20mm thick backing layer of cement mortar (1:6) set and jointed in neat cement slurry and pointed in white cement mixed with admixture pigment to match the shade, as directed by Engineer-in-Charge.

Supply and fixing 25mm thick pre-polished decorative cement concrete tiles of size 400mm x 400mm, as in flooring over and including 20mm thick backing layer of cement mortar (1:6) set and jointed in neat cement slurry and pointed in white cement mixed with admixture pigment to match the shade, as directed by Engineer-in-Charge.

S&F 15mm thick pre-polished decorative cement concrete tree guard tiles of approved size, design and colour laid on vertical surfaces over and including 15mm thick backing layer in cement mortar (1:4) set and jointed in neat cement slurry and pointed in white cement mixed with admixture of pigment to match the shade complete all as specified and as directed.

M&L White marble work, makrana white, 18 to 20 mm thick (table rubbed and polished) in steps, jambs, pillars , window cills etc, set and jointed in neat cement slurry including pointing in white cement (1:2) using marble dust with admixture of pigment to match with marble shade laid over and including 15mm thick screed bed in cement mortar (1:4) complete all as specified and directed.

M&L Green marble work 18 to 20 mm thick ( table rubbed and polished) in steps, jambs, pillars , window cills etc, set and jointed in neat cement slurry including pointing in white cement (1:2) using marble dust with admixture of pigment to match with marble shade laid over and including 15mm thick screed bed in cement mortar (1:4) complete all as specified and directed.

Taking out precast interlocking paver block, any size, and keeping aside for re-use or removal from site complete all as specified and directed.

M&L Machine pressed precast concrete interlocking paver block with grey cement and pigment any shape and size confirming to IS 15658-2006 of 60 mm thickness M-35 Grade complete all as specified and as directed. (NOTE: Sand cushioning shall be measured and paid seperately)

M&L Sand filling under floors under paver block including watering and consolidation complete all as specified and as directed

Relaying paver block in patches, including removing and cleaning old paver block, preparing beds and laying or setting, jointing new or old paver blocks complete all as specified and as directed. (NOTE: Sand cushioning, if required shall be measured and paid seperately. Replacement of broken paver block shall be paid seperately as "Supply only")

Supply only machine pressed precast concrete interlocking paver block with grey cement and pigmnent of any shape and size as approved by GE conforming to IS-15658-2006 of 60 mm thickness, M-35 grade complete all as specified and directed.

M&L for 18-20 mm thick coloured granite tiles, machine cut as in vertical surfaces such as skirting/dado over and including 10mm thick backing layer in cement mortar (1:3), set and jointed with grey cement slurry and pointed with white cement with admixture of pigment to match the shade of granite tile including rubbing and polishing complete all as specified and as directed.

M&L 18-20 mm thick coloured granite tiles, machine cut as in steps, jambs, pillars, window cills, cooking platforms and on floor over and including 20mm thick backing layer in cement mortar (1:6), set and jointed with grey cement slurry and pointed with white cement with admixture of pigment to match the shade of granite tile including rubbing and polishing complete all as specified and as directed.

M&L for Machine cut kota stone slab flooring 20-25mm thick, laid and jointed with grey cement slurry mixed with pigment to match the shade of the slab including rubbing and polishing, laid on floor over and including 20mm thick backing layer in cement mortar (1:6) complete all as specified and as directed.

Material and labour for grinding/polishing and cutting to existing stone floor of any description (such as kota stone, marble stone, terrazo, granite and similar surfaces etc) cleaning with water and applying zinc oxide powder complete all as specified and as directed.

S&F in repairs glass door consisting of 10 mm thick toughened glass, mounted on heavy duty floor spring including all necessary fixing arrangements such as two pairs of premium quality stainless steel 450 mm D shaped handles (with making holes in the glass before toughening), heavy duty stainless steel door lock premium quality, complete all as specified and directed. (Make of door fittings: Heffle / Hetich / Dorma / Archies / Door king / Gurnish ) (NOTE: Door spring, if replaced, will be measured and paid seperately)

Dismantling of cast iron drain pipes, jointed in cement mortar of 100 mm internal dia all as specified and as directed by the Engr-in-Charge.

S&F 150mm dia Cast iron soil, waste and vent pipes in any length with or without ears, with cement joints, fixed on walls.

S&F Cast Iron Bend 150mm bore (dia), any radius, Diminishing Pieces or Tapers (Large Bore measured) and fitted with Oval Access Doors including Jointing with Cement Mortar 1:1, complete all as specified and as directed.

S&F Cast Iron Branch Piece 100mm bore (dia) single (equal or unequal), ordinary or inverted (spigot or socket type) with Parallel Branches fitted with Oval Access Door including Jointing with Cement Mortar 1:1, fixed complete all as specified and directed.

Taking down Aluminium shutters of any description, exc 1sqm and n.exc 2sqm, re-securing or easening and adjusting, repairing and refixing in same opening complete all as directed

Taking down Aluminium shutters of any description, n.exc 1sqm, re-securing or easening and adjusting, repairing and refixing in same opening complete all as directed

S&F in repair double action floor spring hydraulically regulated, made up of min 1.25mm thick aluminium alloy sheet foundation box, main body with stainless steel cover, governing pivot made up of brass, other parts made of mild steel heavy duty and fixed complete all as specified and directed.

S&F in repair Aluminium (extruded section body) door closer hydraulically regulated, designation No.1, universal type, suitable for door shutters 700 mm in width and of weight not more than 35 kg complete all as specified and directed.

S&F in repair 5.5 mm thick sheet glass, ordinary quality and glazing with oil putty in square n.exc 0.50 sqm in each pane complete and as specified and directed.

M&L for cleaning of inaccesible areas of roof including parapet walls upto 0.50 metre height, removal of vegetation growth, including uprooting, if required and repair to broken/chipped off plastered surfaces with cement mortar 1:4, mixed with water proofing compound @ 3% by weight of cement, finished fair and even including necessary ladder/scaffolding complete all as specified and directed. (NOTE: Water Proofing Compound shall be measured and paid seperately)

Supply only water proofing compound complete all as specified and directed.

M&L for cleaning of outer surfaces of down take pipes, any type, treating minor leakages at joints, clearing of vegetation, scraping of algae growth with wire brush, chipping of damaged plaster at the joints (area not exc 0.50 sqm) and making good with cement mortar 1:4 duly mixed with water proofing compound @ 3% by weight of cement and applying one coat of tartaric acid on dry finished plaster surface including necessary ladder/scaffolding for any building height complete all as specified and directed. (NOTE: Water Proofing Compound shall be measured and paid seperately)

Material and labour preparation of old brick/stone/concrete wall surfaces of any description over 10cm width or girth and applying one coat of synthetic enamel paint complete all as specified and as directed.

Material and labour for writing letters of figures (block, Roman, Italic or Indian) not exceeding 30cm high, with thick synthetic enamel paint on over head tank surfaces (up to 30meter height from the ground level) complete all as specified and as directed.

Material and Labour for applying 1.0 mm thick wall putty on new surface of wall complete all as directed.

Material and Labour for removal of existing treatment and applying 1.0 mm thick wall putty on surface of wall complete all as directed.

Material and Labour for applying 1.0 mm thick wall putty on new surface of ceiling complete all as directed.

Material and Labour for removal of existing treatment and applying 1.0 mm thick wall putty on surface of ceiling complete all as directed.

M&L Preparing new Surfaces of Walls and applying two Coats of Cement Base Paint over one coat of cement primer, complete all as specified and as directed.

M&L Preparing old Surfaces of Walls and applying one Coat of Cement Base Paint, complete all as specified and as directed.

M&L Preparing old decorated plastered surfaces of Ceiling and applying One Coat of Plastic/Acrylic Emulsion Paint over 10 cm width or girth, complete all as specified and as directed.

M&L Preparing old decorated plastered surfaces of walls and applying One Coat of Plastic/Acrylic Emulsion Paint over 10 cm width or girth , complete all as specified and as directed.

M&L Preparing old decorated Plaster Surfaces of Wall and applying One Coat of oil bound distemper complete all as specified and as directed.

M&L Preparing old decorated plaster surfaces of ceiling and applying One Coat of oil bound distemper complete all as specified and as directed.

M&L Preparing old decorated plastered surfaces of Walls by washing, rubbing down, stopping and applying One Coat of Exterior Emulsion Paint (as per manufacturer's specifications), complete all as specified and as directed. (Make of Paint: Asian Paint (Apex Ultima) / ICI Dulux (Weather Shield Max) / Berger (Weather Coat All Guard) / Shalimar Paints (Xtra Maximum) / Nerolac (Excel Total)/ Jotun (Jotashield Water Xtreme)

M&L Preparing old Wooden Surfaces of any description not otherwise described over 10 Cm width or girth and applying One Coat of Synthetic Enamel Paint, complete all as specified and as directed.

M&L One or more coats of French polishing on old wooden surfaces of any description, width or girth including cleaning and scrapping the same by machine paper, sand paper of different grades , water paper etc, filling of stop/ bore holes with putty and French chalk as required quantity to achieve a glossy surface to the complete satisfaction of Engineer-in-Charge complete all as specified and as directed.

M&L Preparing old Steel Surfaces of any description not otherwise described over 10 Cm width or girth and applying One Coat of Synthetic Enamel Paint, complete all as specified and as directed.

M&L Preparing new Surfaces of Walls and applying Two Coats of Exterior Emulsion Paint over a coat of alkali resistant primer (as per Manufacturer’s instructions) complete all as specified and directed. (Make of Paint: Asian Paint (Apex Ultima) / ICI Dulux (Weather Shield Max) / Berger (Weather Coat All Guard) / Shalimar Paints (Xtra Maximum) / Nerolac (Excel Total)/ Jotun (Jotashield Water Xtreme)

M&L Preparing new plastered surfaces of Ceiling and applying two Coats of Plastic/Acrylic Emulsion Paint over 10 cm width or girth over a coat of primer complete all as specified and as directed.

M&L Preparing new plastered surfaces of walls and applying two Coat of Plastic/Acrylic Emulsion Paint over 10 cm width or girth over a coat of primer complete all as specified and as directed.

M&L Preparing new plastered surfaces of Wall and applying two Coat of oil bound distemper over one coat of alkali resistant primer complete all as specified and as directed.

M&L Preparing new plastered surfaces of ceiling and applying two Coat of oil bound distemper over one coat of alkali resistant primer complete all as specified and as directed.

M&L Preparation of veneer surfaces with best quality shellac Gde-I to be dissolved in methylated sprit, suitable pigment shall be added to get the required colour as approved by GE, the mixture thus prepared to be applied in the surface with a soft liner cloth and set aside for about two hours for surfaces coat to harden rub surface with sand paper No 0 to remove any raised of rain, repeat polishing to the surface as before till the clear grained smooth surface is obtained. It should be allowed to harden for about an hour. Rub surface with sand paper No.0. Recharge onward as before and apply to the surfaces with straight stroke in the grain direction until the gloss is obtained. After dried up the surface, applying two coat of the mixture of PU cleaner with machine spray and dry up for 6 hours and rub

Material and labour for preparation of new plastered surfaces and providing superior quality textured paint of approved colour and design on wall surface over one coat of alkali resistant primer over 0.80mm thick Plaster of Paris complete all as specified and as directed.

Supply and fix in repairs pressure booster pump, 1 HP capacity, 50-60 HZ, Voltage 220V, single phase, discharge capacity 0-6 m3/hr, 25 mm dia delivery pipe (of length 5.00 meter ) pressure switch, pressure dial gauge (ranging from 0 to 100 lbs per square inches) and testing on completion including taking down existing unserviceable booster pump complete all as specified and as directed by Engineer-in-Charge. (Make: Crompton Greaves, Model No-10 Minimarket I-025 or equivalent model in KIRLOSKAR / KSB)

BASU AND CO

M/S S. K. SARKAR

UNIVERSAL TRADING CENTRE

S.K. TRADERS

GHOSH ENTERPRISE

IDEAL TRADERS

JAGATMATA ENTERPRISE