REPAIRS/REPLACEMENT TO BOUNDARY WALLS, GRILLS, RCC JALLI WALL, MOAT ALONGWITH ASSOCIATED STRUCTURES/FACADES AT ZONE-I 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 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.

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

Dismantling wrought iron or mild steel work of any description not otherwise provided for 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.

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.

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 providing cement concrete type B1(1:2:4) using 20 mm graded agg as in coping, block benching, channeling slightly rounded or chamfered angle and throating incl form work and finishing all exposed faces of cement all as specified.

M & L for precast RCC (1:2:4) type B-1 (using 20 mm graded crushed stone aggregate) as in cover slabs and the like including providing necessary form work etc, set in cement mortar (1:4) complete all as specified and as directed by the Engineer-in-Charge. (Note : Reinforcement to be measured and paid separately).

M&L Plain Cement Concrete type B2 (1:2:4), using 40mm graded crushed stone aggregate as in surface channels and drains complete all as specified and as directed.

Extra for forming fair finished drain or channel 30 cm inner girth in cement concrete, using extra cement, including forms, moulds, mitred/stopped end etc complete all as specified and as directed.

M&L Brick Work with Flyash Bricks (with Old Size Bricks), Straight or Curved on Plan exc. 6.0 Metre mean Radius, built in Cement Mortar 1:6, complete all as specified and as directed.

M&L Brick Work with Flyash Bricks, Half-Brick thick, Old Size, built in Cement Mortar 1:4, Straight or Curved on Plan to any Radius, complete all as specified and as directed.

M&L TMT Bars 6mm to 8 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.

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

M&L mild steel Hand rails, half round or other steel section or core for wooden hand-rail straight portion, drilled and countersunk for balusters running bars, for doors, balusters, nosing to steps including embeding in concrete and screwing etc. 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 drilling, bolting or riveting, etc., and similar work conforming to Fe-290 Gde E-165 complete all as specified and as directed.

S&F MS 5-10 mm dia screw bolts (machine made) with hexagonal or square heads at one end and screwed the other each screwed end to be fitted with washers exc 5 cm but n exc 10 cm long complete all as specified and as directed.

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

S&F 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)

Restraining, resceuring incl making good Galvanised 2 strand, steel barbed wire 2.24mm dia barbed with 2mm dia barbs at 75mm spacing and straining and fixeing to any type of standered rails straining bolts, including, securing or tying at crossings with and provision of galvanised mild steel wire, staple or steel pins, etc. as directed (each line wire to be measured ) complete all as specified and as directed.

Dismantling of fencing, wire mesh any type incl flat iron fillet, nuts & bolts, MS round bar etc complete all as specified and as directed.

S&F 4 mm dia PVC coated galvanised mild steel chain link fencing of mesh size 50 x 50 mm 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. NOTE: MS post, MS round bars, flat iron, nuts & bolts shall be measured and paid separately.

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. 26 above but 0.50 mm thick coloured plain galvalume sheet as in ridge/valley gutter of roof.

M&L Non-skid Ceramic Coloured Tiles, 7.0mm to 8.0mm thick (square/rectangular), size of Each Tile 400mm x 400mm in Floors, etc. Set and Jointed in Neat Cement Slurry and Pointed in White or Coloured Cement to match the Shade of the Tiles over and including 15mm thick screed bed in cement mortar (1:6) complete all as specified and as directed.

M&L Glazed Ceramic Coloured Tile 450mm x300mm x 7.0mm thick on Vertical Surfaces such as Skirting, Dados, Risers to Steps, etc., Set and Jointed in Neat Cement Slurry and Pointed in White or Coloured Cement to match the Shade of the Tiles over and including 10mm thick backing layer in cement mortar (1:4) complete all as specified and as directed.

M&L 400mm X 400 mm X 20 to 25 mm thick pre polished decorative cement concrete tile as in floor laid over and including 20 mm thick screed bed layer in cement mortar (1:6) set and jointed in neat cement slurry and pointed in white cement mixed with admixture of pigment to match of the shade complete all as specified and as directed.

M&L for 12 mm to 15 mm thick pre polished decorative cement concrete tiles (of approved size and design and colour) laid on vertical surfaces over and including 15 mm 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 directed.

M&L 25 mm thick Prepolished Chequered Cement Concrete Tiles size 305 mm x 305 mm, Set in Screed bed of 15mm thick in Cement Mortar 1:6 and Jointed and pointed in Neat Cement Slurry with Grey Cement as in Floor, etc., complete all as specified and as directed.

M&L for Granite (of any type) tiles 20mm thick machine cut, bedded and jointed with grey cement slurry and pointed with white cement with admixture of pigment to match the shade of granite stone including grinding and polishing laid over and including 15 mm thick screed bed in cement mortar 1:4 complete all as specified and directed.

S&F in repair 45mm thick precast cement concrete Type (1:2:4) type B-0 (using 12.5 mm graded crushed stone aggregate) louvers and jallies including all moulding, but excluding frame set in cement morter 1:4 complete all as specified and as directed.

M&L 25mm thick PCC, B-1 (1:2:4) type, (using 20mm graded crushed stone aggregate) as in floor finished fair and even without using extra cement complete all as a specified and as directed

M&L for 50mm thick PCC 1:2:4 type B-1(using 20mm graded stone aggregate) as in sub base of floor, finishing Concrete Surfaces Even and fair complete all as specified and as directed.

M&L 75mm thick PCC, type C-2(1:3:6), (using 40mm graded crushed stone aggregate) as in sub base of floor, etc finished even and fair complete all as directed.

M&L 75mm thick PCC, type C-2(1:3:6), (using 40mm graded crushed stone aggregate) as in plinth protection, surface finished even and smooth without using extra cement complete all as directed..

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 Preparing new Surfaces of Walls and applying Two Coats of Cement Base Paint over a coat of alkali resistant primer complete all as specified and as directed.

M&L Preparing new Surfaces of Walls and applying Two Coats of Exterior Emulsion Paint (as per Manufacturer’s instructions) over a coat of primer suitable for external surfaces 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 old decorated surfaces of Walls and applying one Coat of Cement Base Paint, complete all as specified and as directed.

M&L Preparing old decorated surfaces of Walls 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 Steel Surfaces of any description not otherwise decribed 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 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.

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

S&F in repairs anti-rust concertina coil (reinforced punched barbed tape single layer) for fencing work incl taking down existing coils complete all as per following specifications :- (i) Diameter of concertina coil - 750 mm dia (before stretch) (ii) Number of turns in concertina - 50 turns (iii) Weight of each coil - 10.5 KG (iv) Coverage per coil - 7-8 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

Item No. 47 (contd....) (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 - minimum 125 for each coil (ix) Handle and spikes to be provided as required (NOTE : 1. The concertina coil shall be given additional primer treatment of epoxy/ polyurethane and final paint top coat of caufiled green shade (BSL 139) by hot dipping process. 2. RBT wire for fixing of concertina coil will be measured and paid seperately. 3. Running length of the wall shall be measured for payment purpose.

Supply only epoxy/polyurethane coated RBT wire of high tensile strength of 165 kg/sqmm with tape (0.52 mm thick) and weight complete all as specified and directed.

S&F in repair RCPC (Reinforced Cement Polymer Concrete) grating slab of size 900 mm x 450 mm x 100 mm thick, of Capacity 3 MT fixed in proper position complete as directed by Engr-in -Charge.

S&F in repair RCPC (Reinforced Cement Polymer Concrete) grating slab of size 600 mm x 450 mm x 100 mm thick, of Capacity 3 MT fixed in proper position complete as directed by Engr-in -Charge.

SINHA ENTERPRISE

ARJUN DAS VALECHA

MS AP CONSTRUTION AND CO

Rounaq Enterprise

KWALITY CONSTRUCTION

PINKY CO.

PEARL CORPORATION

M/s Santosh Industrial Corporation