REPAIRS TO FOOTPATH, PCC HARD STANDING, GATES, IRON GRILL AND JAFRI WALL AND FENCING AT ZONE-I AREA AND CERTAIN B/R REPAIRS, MAINTENANCE TO PERIMETER WALL, FIRING RANGE AT FORT WILLIAM UNDER GE(FW) KOLKATA.

Amount

Demolition of cement concrete (unreinforced) in ground floors and pavings not exc 150 mm thickness (above or below ground level) including removal of debris & rubbish from site complete all as specified and directed.

Demolition Cement Concrete (reinforced) of any description and in any position not otherwise specificall provided for, 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 stone slabs and tiles, laid, bedded and pointed in any mortar of any description or thickness in floors, aprons etc complete all as specified and directed.

Taking down cement plaster from brick or concrete surfaces of any description including racking out joints, hacking for key, scrubbing down with water etc complete all as directed.

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

Dismantling structural steel work of any description including doors, gates, railing etc but excluding framed trusses complete all as specified and directed.

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

Dismantling of old chain link wire mesh fencing including flat iron, ms round supporing bars, bracing bar etc complete all as specified and directed.

Excavating in trenches, n exc 1.5 m wide and n exc 1.5 m in depth; for foundation, etc. or for shafts, wells, cesspits, manholes, pier holes, etc. n exc 10 sq m on plan and n exc 1.5 m in depth and getting out in soft/loose soil complete all as specified and directed.

Excavation in post holes each not exc 0.5 Cum getting out returning filling in and removing earth or broken rubble mixed with earth around in layers not exc 25 cm watering and removing surplus soil to a distance not exc 50m and making good surface as in soft / loose soils, complete all as specified and directed.

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

Removing excavated materials not exc 50 m and depositing where directed at a level not exc 1.50 m above the starting point complete all as Specified and as directed.

M & L for hardcore of gauge not exc 63 mm, deposited, spread and levelled in layers not exceeding 15 Cm thick, watered and rammed to true surface with broken stones complete all as specified and directed.

M&L for providing Plain Cement Concrete (1:3:6) type C1 using 20mm graded stone aggregate as in foundatinsm fillings and mass concrete, completed all as specified and directed.

M&L for providing 25 mm thick, Plain Cement Concrete (1:2:4) type B0 (using 12.5 mm graded aggregates) as in sub base of floor completed all as specified and directed.

M&L for providing 75 mm thick, Plain Cement Concrete (1:3:6) type C2 (using 40 mm graded aggregates) as in sub base of floor completed all as specified and directed.

M&L for providing 100 mm thick, Plain Cement Concrete (1:2:4) type B2 (using 40 mm graded aggregates) as in sub base of floor completed all as specified and directed.

M&L for providing PCC (1:3:6) type C-1, using 20 mm graded stone aggregate, as in surface channels and drains including necessary from work complete all as specified and as directed.

M&L for cement concrete (1:2:4) type B1, using 20 mm graded stone aggregate, as in lintels upto 1.5m clear span, cills, steps; seismic and other similar bands, plinth courses, string courses, lacing courses, parapets and railings upto 60 cm in height, copings, kneelers, apex stones, bed plates, kerbs not provided for in Item 04028, water troughs and the like including weathering, slightly rounded or chamfered angles and throating complete all as specified and directed.

M & L for extra for forming fair finished drain or channel 30 cm inner girth in cement concrete, using extra cement, including forms, moulds, mitred / / stopped ends etc completed all as specified and directed. (NOTE: Inner girth shall only be measured for payment)

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

Supply and laying 450 mm bore reinforced concrete pipe of Class NP-2, laid and jointed with jute & cement mortar 1:2, complete with collars all specified and as directed.

M&L concrete bed to drain pipe including packing under and haunching against the side of drain pipe after laid and tested in PCC 1:3:6 type C2 for 450 mm bore pipes complete all as specified and directed.

S&F in repair 35 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 brick work with sub class'B' fly-ash bricks, straight or curved on plan exc 6m radius buit in cement mortar 1:6 complete all as a specified and as directed.

M&L Brick Work with Sub-Class ‘B’ fly-ash 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 for rendering 15 mm thick built in cement mortar (1:4) on fair faces of brick work or concrete surfaces finished even & smooth (without using extra cement), complete all as specified and directed.

M&L for 15mm thick rendering on fair faces of brick work or concrete surfaces in cement mortar (1:6) finished rendering surfaces even and smooth without using extra cement complete all as specified and directed.

Use and waste for Formwork to sides and soffits of floor or roof beams, beam haunching's, girders, bressummers, lintels, cantilevers, shelves including sup- ports, overhangs, etc. also splays between floors and beams, etc. for rough finished surfaces of concrete flat, complete all as specified and directed.

M&L for RCC (nominal mix) (1:2:4), type B-1 (using 20mm graded stone aggregate) as in beams, cantilevers, bressummers, lintels, over 1.50m span etc., complete all as specified and as directed.

M & L for Providing precast cement concrete Type B1 1:2:4 (20mm graded aggregate) Set in cement mortar 1:4 in landings, cover slabs (for man holes etc.) chullah hoods, chajjas, water troughs, mangers, shelves and similar articles with plain faces including necessary forms, moulds, etc complete all as specified and as directed.

M&L for mild steel TMT Bars 10 mm dia and over, cut to length, bent to shape required including cranking, bending spirally for hooping for columns, hooking ends and binding with and including Mild Steel Wire (annealed) not less than 0.90 mm or securing with clips, etc., complete all as specified and as directed.

S&F Mild steel TMT bars 6-8 mm dia , cut to length and bent to shape as reqd, including cranking , bending spirally for hooping for columns, hooking ends and binding with mild steel wire (annealed) not less than 0.90 mm dia 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 / cladding to walls, complete all as specified and directed.

All as per Item No. 35 above, but 0.50 mm thick coloured plain galvalume sheet as in ridge/valley gutter of roof.

S&F ornamental MS framed work ( intricate design) such as grills, gate, gratings etc with end of bars/mild stee shouldered and rivets 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.

Supply and fixing Rolled mild steel in joist, channel, angle, or tee section fixed independently, upto a height of 6 metre from each floor level (cut to ordinary length i.e. within 20mm of the length indicated) of FE-410- W(Gde-E-250) quality-B including using iron props and steel plates to existing RCC overhead members like beams, slabs etc., so as to ensure safety of existing structure and floor during repairing works complete all as specified and as directed.

Fixing only RCC post or angle iron post (obtained from dismantling here in before), complete all specified and directed.

S&F MS 11-15 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 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

S&F 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., including dismantling of existing barbed wires, complete all as specified and directed. (Note: - Each line of wire will be measured)

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.

Re-fixing of old serviceable chain link fencing (Chain link fencing obtained from item No 10) 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.

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. 45 (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 separately. 3. Running length of the wall shall be measured for payment purpose.

All as per Item No.45 above, but anti-rust PVC coated concertina coil (reinforced punched barbed tape single layer).

S&F in repair RCPC (Reinforced Cement Polymer Concrete) grating slab of size 900 mm x 600 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.

Supply and fixing 25 mm 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.

M&L 25 mm thick pre polished coloured chequered tiles of size 400mm X 400mm, jointed & pointed in neat cement slurry with white or coloured to match the shade of tiles, laid over & incl 20 mm thick screed bed in cement mortar 1:6 complete all as specified & 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 (1:6) 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.

Supply and laying 60mm thick factory made chamfered edge cement concrete paver block of M-35 grade with approved colour, design & pattern as in footpath, parks, lawns, drive ways or light traffic parking etc., of required strength, thickness & size/shape, made by table vibratory method using PU mould, laid in required colour & pattern over and including 50mm thick compacted bed of fine sand, compacting and proper embedding/ laying of inter locking paver blocks into the sand bedding layer through vibratory compaction by using plate vibrator, filling the joints with sand and cutting of paver blocks as per required size and pattern, finishing and sweeping extra sand; complete all as specified and directed. (NOTE: Cost of sand cushioning is deemed to be included in the quoted rates)

All as per Item No. 52 above, but using old serviceable paver blocks obtained from dismantling (NOTE: Sand cushioning, if required shall be measured and paid separately)

M&L Sand filling under floors under paver block, thickness not exc 50 mm including consolidation complete all as specified and as directed

S&F in position, at or near ground level, factory made precast cement concrete kerb stone blocks, in M-25 grade cement concrete, fixed to the required line, level and curvature, jointed in cement mortar 1:3, including making joints with or without grooves (thickness of joints, except at sharp curves shall not be more than 5 mm) including making drainage opening wherever required complete all as specified and directed.

M&L for Coloured granite (of any type) work, 18-20 mm thick (table rubbed and polished) in steps, jambs, pillars, window cills, cooking platforms, urinal partition and like in cement mortar (1:4) including pointing in white cement (1:2) using marble dust with admixture of pigment to match with shade of granite and making moulds on edges laid over and including 15 mm thick screed bed in cement mortar 1:4 complete all as specified and directed.

M&L for machine cut kota stone slab flooring 18-20 mm thick, laid over and including 15mm thick screed bed in cement mortar (1:4) laid and jointed with grey cement slurry mixed with pigment to match the shade of slab including rubbing and polishing complete all as specified and directed.

M&L for grainding/polishing and cutting to existing stone floor of any description such as Kota stone, Marble stone, terrazo, granite etc., and similar surfaces,and cleaning with water and applying zinc oxide powder, complete all as specified and as directed

M&L for preparation of surfaces and applying two coats of cement base paint over a coat of alkali resistant primer with brush on new plastered surfaces complete all as specified and directed.

M&L for preparing old treated surfaces of walls by washing, rubbing down stopping to make the surface free from loose paint, algae formation, dust etc., and applying one coat of cement base paint, with brush, complete all as specified and as directed.

M&L for preparation of old treated/painted surfaces of walls and soffit of chajja, roof slab etc., by cleaning, brooming, rubbing and scrapping as required using broom, emery paper, putty blade/scraper as applicable to make the surface free from loose paint, algae formation, dust etc including necessary safety & protective measures such as safety belt, headgear etc including filling cracks upto 5mm with and including suitable elastomeric crackfill paste and applying one coat of weather proof exterior emulsion paint of approved make by using airless spray technology capable of operating single spray gun with hose of adequate length and necessary scaffolding for upto 4 storey building height complete all as specified and 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 applying one coat of synthetic enamel paint on steel & iron surfaces of any description, exc 10cm width or girth when unconnected with other painting or when painted in different tint including preparation of old painted surface complete all as specified and directed.

M&L for preparation of new surfaces of wall and soffit of chajja, roof slab etc. By cleaning, brooming, rubbing and scrapping as required using broom, emery paper, putty blade/ scraper as applicable to make the surface free from protrutions, loose particles, dust etc including necessary safety & protective measures such as safety belt, headgear etc, finishing the surfac with 2mm thick exteriror wall putty (in two layers) for smooth finish and finishing with two coats of weather proof exterior emulsion paint over a coat of suitable exterior primer of approval make by using airless spray technology capable of operating single spray gun with hose of adequate length and necessary scaffolding for upto 4 storey building heigt complete all as specified and directed.

Taking down plants and vegetation from wall upto roof level by means of cutting holes in Block Walls built in cement Mortar of 150mm depth making good dismantled portion in cement mortar 1:3 or cement concrete 1:2:4 type B-1 as required n.exc 150 Sqcm in superficial area complete as specified and as directed.

M&L Preparing old decorated wall/ plastered/ concrete surfaces of any description, over 10 cm width or girth and applying Two Coats of Synthetic Enamel Paint, complete all as specified and as directed.

S&F PVC (SWR) 110mm bore pipes single socketed, in any length with rubber ring joints, laid in trenches or in floors, complete all as specified and as directed.

MARUTI ENTERPRISES