REPAIR MAINT OF BR NATURE WORKS IN WATER SUPPLY INSTALLATIONS AT AF STN SIRSA

REPAIRS TO FLOORINGS

M&L for Dismantling Stone Slabs and/or Tiles of any description or thickness in Floors, Aprons, etc. laid, bedded and pointed in Cement Mortar, removal of debris outside AF land, cleaning of area to remove dust, loose particles, washing with water complete all as specified and directed.

Dismantling Floor, Paver Tiles, Hearth or Wall Tiling, etc. including Cement Mortar Bedding (but not backing) and removing debris, etc. to Outside MD/AF Land, complete all as specified and directed.

Demolition Cement Concrete (un-reinforced) of any description in Ground Floors, Pavings, etc. any thickness (above or below Ground Level) and removing debris Outside AF Land, complete all as specified and directed.

M&L for Cement Concrete M-20 (Nominal Mix) using 20 mm graded stone aggregate, with approved minimum water–cement ratio as directed by Engineer-in-Charge, laid in floors to required thickness and gradient/slope, including mechanical mixing, placing, levelling and proper compaction using vibrators to achieve fully compacted concrete, finished to a uniform level using wooden screeds / tremix, without final finish, and allowing surface bleed water to evaporate, leaving the surface in green condition suitable for subsequent application of floor hardener, complete all as specified and as directed. NOTE:- Cost of non-metallic floor hardener, its application, finishing and curing shall be measured and paid for separately and is not included in the rate of this item.

M&L for applying non-metallic mineral dry-shake floor hardener, factory manufactured, ready-to-use, over green concrete base floor, applied monolithically by dry-shake method in one or more stages as per manufacturer’s recommendations, suitable for medium duty floors, at an average consumption of 4.5 to 5.0 kg per sqm, including uniform spreading, floating, power trowelling to achieve dense, smooth and abrasion-resistant surface, and curing as recommended by the manufacturer, complete all as specified and as directed. MAKE: SIKA (Sika Chapdur) / FOSROC (Nitoflor Hardtop Standard) / CICO (Surface Hardener / FloorTop RTU)

M&L for Cement concrete, 100 mm thick, type D- 2, 1:4:8 (40mm graded aggregate) in sub floors, sub bases, pavings etc., complete all as specified and as directed.

Supply and laying machine pressed precast concrete interlocking paver block with grey cement and pigment 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. (NOTE: Sand for cushioning level will be measured and paid seperately)

M&L for sand cushioning with clean river sand duly clear of residual, organic and deleterious materials spread evenly to uniform thickness over PCC Sub Base complete all as specified and directed.

M&L for Cement Concrete 1:2:4 type B1 (20mm graded stone aggregate) as in Coping, Bed Plates, Holdfast, Bed Block, Kerb Stones including necessary Formwork and weathering, slightly rounded or chamfered angles and throating, complete all as specified and as directed.

M&L for Cement Concrete 1:3:6 type C1 (20mm graded stone aggregate) 75mm thick as in Plinth Protection, finishing surfaces Even and Smooth without using Extra Cement complete all as specified & directed.

M&L for Cement Concrete 1:2:4 type B1 (20 mm graded crushed stone aggregate as in surface channel and drains, inner surfaces of drain finished even and smooth without using extra cement complete all as specified and directed.

M&L for providing Non-skid/matt finish Ceramic tiles, coloured, joint free, 7-8 mm thick (Square / rectangular), area of each tile exceedig 0.11 Sqm but not exceeding 0.18 Sqm in Flooring, set and jointed in Neat Cement Slurry and pointed in White or Colour Cement to match the tiles, laid over and including Screed Bed 15mm thick in Cement Mortar 1:4, complete all as specified and as directed. NOTE : Cost of Cement Screed Bed shall deem to be included in the Quoted Unit Rate.

M&L for providing Coloured/Printed Glazed Ceramic Tiles, 450x300x6.5-7mm thick in Vertical Surfaces i.e. Dado, Skirting, etc., set and jointed in Neat Cement Slurry and pointed in White or Colour Cement to match the Tiles, fixed over and including Screed Bed 10mm thick in Cement Mortar 1:3, complete all as specified and as directed. NOTE : Cost of Cement Screed Bed shall deem to be included in the Quoted Unit Rate.

REPAIRS TO BRICKWORK, RCC SPALLING, PLASTERING AND FINISHES

Taking down Cement Plaster including raking out Joints, hacking for Key, scrubbing down with Water and removing Debris, etc. to Outside MD/AF Land, complete all as specified and directed.

Demolition of Brick work built in Cement Mortar and in any Position including all Quoins, Arches and Pillars, etc. Incl removal of debris from site complete all as specified and directed.

M&L for Brick Work with Fly-Ash Bricks (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 directed.

M&L Brick work using Serviceable Bricks obtained from Item No. 2.02 here-in-before including removing old Mortar, Straight or Curved on Plan exc. 6.0 Metre mean Radius, built in cement mortar 1:6 complete all as specified and directed.

M&L for Rendering (Internal) 15mm thick in cement mortar 1:6 on Brick Walls or on Concrete Surfaces, Plastered Surfaces finished Even and Smooth without using Extra Cement complete all as specified & directed.

M&L for 15 mm thick plastering in two layers, 10 mm + 5 mm in cement mortar 1:4, top layer of 5 mm thickness mixed with with water proofing compound (as per manufacturer's instructions) on external surfaces of brick/stone walls or concrete surfaces finished even and fair upto 4 storey height including necessary scaffloding complete all as specified and directed. Note : WPC shall be measured & paid seperately as "Supply only".

Supply only Liquid Water Proofing Compound, as approved, complete all as specified and directed.

M&L for Rough Cast Plaster on Brick Walls consisting Under Coat of Cement and Sand Mortar 1:3 not less than 10mm thick and while it is still in Plastic state the Rough Cast Mixture consisting of Crushed Stone or Fine Gravel mixed with Coarse Sand and Cement in the Ratio 1:1:1 shall be applied and finish Even, complete all as specified and directed.

M&L for repairing spalled, damaged, or deteriorated concrete surfaces in RCC members (slabs, beams, columns, ceilings, etc.) using polymer-modified repair mortar or micro-concrete, including marking, cutting, removal of unsound concrete, cleaning, application of bonding coat, fixing of chicken mesh where required, rebuilding with repair mortar to restore original profile, finishing, curing, and all ancillary works, complete as specified and directed by the Engineer-in-Charge. NOTES:- (1) The work shall be carried out strictly as per manufacturer’s recommendations. Full methodology, detailed steps, material specifications, approved makes, consumption, and quality control requirements are included in ANNEXURE - A (Technical Specifications for Repair of Spalled / Damaged RCC Concrete), which forms part of this item. (2) Contractor shall submit all relevant technical literature, purchase vouchers, and samples for approval prior to execution. (3) It shall be the contractor’s responsibility to fully refer to and understand Annexure-A prior to quoting. Any claim or excuse by the contractor during execution, stating that the details of workmanship, methodology, materials, or sequence described in Annexure-A were not read or understood, shall not be admitted under any circumstances.

M&L for preparing newly Plastered surfaces of Ceiling and applying Three Coats of White Wash, complete all as specified and directed.

M&L for Hardcore of broken stone or boulder of gauge n exc. 63 mm, deposited, spread and levelled in layers n exc. 15 cm thick, watered and rammed to a true surface complete all as specified and directed.

M&L for Cement concrete, type D- 2, 1:4:8 (40mm graded aggregate) in filling and mass concrete complete all as specified and as directed.

M&L for preparing New/Undecorated Plastered Surfaces of Walls, applying a coat of suitable cement primer followed by a Coat of 2.0 mm thick Wall Putty (in two layers of 1mm thick) including rubbing down with Sand Paper to obtain a smooth finish surface and finishing with Two Coats of Acrylic Distemper (as approved) as per desired shade/tint complete all as specified and as directed.

M&L for applying two coats of Weather Proof Exterior Acrylic Emulsion Paint (having anti-dust & anti-fungal properties) [IN CAMOUFLAGE PATTERN] over a coat of suitable exterior primer of approved make for any building height including necessary scaffolding, safety and protective measures complete all as specified and directed.

M&L for applying two coats of Weather Proof Exterior Acrylic Emulsion Paint (having anti-dust & anti-fungal properties) [IN CAMOUFLAGE PATTERN] over a coat of suitable exterior primer of approved make over new ROUGH CAST plastered surfaces complete all as specified and directed.

REPAIRS TO RCC WORKS

Demolition of Cement Concrete (Reinforced) of Roof, Floor (other than Ground Floor) Beam, Staircase, Landings, Chajjas and similar work (reinforcement cut as required to facilitate demolition) and removing debris, etc. to Outside MOD Land, complete all as specified and directed. (NOTE: Old reinforcement shall be measured under Sch of Credit)

M&L Reinforced Cement Concrete 1:2:4 type B0 (12.5mm graded stone aggregate) as in Slabs supported on walls, beams and columns in floors, roofs, landings, balconies, canopies, dec slabs and in shelves and the like complete all as specified and directed. (NOTE: MS reinforcement & Formwork shall be measured and paid seperately)

M&L for formwork to soffits and sides of suspended slabs such as roof slabs, floor slabs, landings and similar work; not exceeding 200 mm thick (horizontal or sloping) for rough finished surfaces complete all as specified and directed.

M&L TMT Bars 10mm dia and over, cut to length bent to shape required including cranking, bending spirally for hoping for Columns, hooking Ends and binding with and including Mild Steel Wire (annealed) not less than 0.9mm dia or securing with Clips, complete all as specified and directed.

M&L for Cutting chases, pinning in, making good to facings where required and pointing in cement mortar 1:3 to ends or edges of landings, steps, cills, sunshades, shelves, lintels, etc.; and cutting chases for concealed water tubing or concealed conduit wiring, etc. and making good, cutting exceeding 20cm girth in brick walls complete all as specified and directed.

REPAIRS TO FENCING & GATE WORKS

Dismantling posts or struts (wood, steel or R.C.C.) any section, including taking out embedded portion alongwith PCC foundation and removal from site complete all as specified and directed. NOTE: Earthwork shall be measured seperately.

Dismantling fencing wire mesh, chain link fence, etc any type incl cover fillets, nuts & bolts and MS bars and removal from site complete all as specified and directed. NOTE: Weight of dismantled chain link fence shall be verified through a BOO.

Excavating in post holes (or similar holes) each n exc 0.5 Cum, getting out, returning, 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 complete all as specified and directed.

M&L cement concrete 1:2:4 of type B2 (using 40mm graded stone aggregate) as in filling and mass concrete complete all as specified and as directed.

Supply only chain link fencing made out of galvanised iron wire, any dia or mesh size, made upto into mattress or cages, complete all as specified and as directed. NOTE: Weight of chain link fence shall be verified through a BOO.

Fixing only chain link fencing 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.

M&L for mild steel round bar, 10 mm dia & over, fixed independently to angle iron for chain link fencing, cut to length, bent to shape required, complete all as specified and as directed

S&F Mild steel screw bolts (machine made), 12mm dia 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, n exc 10cm long complete all as specified and directed.

M&L for 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 directed.

Dismantling wrought iron or mild steel work of any description and removing the same from site, complete all as specified and as directed.

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

M&L for mild steel plain black sheet, as used in wall cladding, steel gates and similar works, of thickness as directed by the Engineer-in-Charge, cut to size, with holes punched and fixed to steel framing using round-headed screws, clout nails or rivets, including necessary lap joints with riveted or welded seams, including bending, turning up and mitred angles as required, complete all as specified and directed. NOTES: (1) Measurement shall be based on the actual weight of the steel sheet in kilograms (Kg). (2) The steel framing / supporting structure shall be measured and paid for separately and shall not be included in the rate of this item

M&L preparing new or previously untreated Steel and Iron Surfaces in fencing, gates etc, of any description, over 10 Cm width or girth and applying Two Coats of Synthetic Enamel Paint over a Red Oxide Primer complete all as specified and directed.

REPAIRS TO MILD STEEL WORKS, TRUSS AND ROOFINGS

Dismantling Asbestos cement (corrugated, semicorrugated, etc.) sheets in roof coverings and removal from site complete all as specified and directed.

Dismantling wrought iron or mild steel work of any description and removing the same from site, complete all as specified and as directed.

Dismantling structural steel work including doors, gates but excluding framed truss etc. and removal from site complete all as specified and directed.

M&L for Mild steel framed works 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, walkways, railings, framework of water tanks and similar works conforming to Fe-290 Gde E-165 complete all as specified and directed.

M&L for steel work in tubular trusses, including cutting, shaping, welding, bolted/welded connections, special shaped washers, and necessary fasteners, using ERW or induction butt-welded tubes conforming to IS 1161-1979 grade St-240, or RHS/SHS sections conforming to IS 4923-1997 grade YST-210, complete 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/multi rib profile having 1000–1020 mm effective width, 28–30 mm high crest at 250–255 mm pitch (centre), manufactured from high tensile galvalume sheets of 550 MPa tensile strength with coating comprising 18–20 micron top coat, 5 micron primer and 8–10 micron alkyld backer zinc-aluminium alloy (AZ-150) with total mass 150 g/m² on both sides, sheets having wide pans with minimum three small stiffening ribs for effective water shedding and special male/female ends with full return legs on laps for purlin support, fixed as per the existing profile using self-tapping screws, fasteners, and all necessary accessories, including overlaps and supports complete, all as specified & directed by the Engineer-in-Charge.

M&L preparing new or previously untreated Steel and Iron Surfaces for roof truss, grills etc, of any description, over 10 Cm width or girth and applying Two Coats of Synthetic Enamel Paint (First quality) over a Red Oxide Zinc Chrome Primer incl scaffolding, safety gears etc complete all as specified and directed.

REPAIRS TO ROLLING SHUTTER, JOINERY, BUILDERS HARDWARE & GLAZING

Taking down damaged / unserviceable Steel / Wooden Chowkat or Frame exc. 1.50 Sqm but not exc. 4.00 Sqm Each with shutter (without taking off shutter from the frame) and removal from site incl cutting holes in brickwork for removal of holdfasts complete all as specified and directed.

-ditto- but for Steel / Wooden Chowkat or Frame not exc. 1.50 Sqm Each with shutter (without taking off shutter from the frame) complete all as specified and directed.

-ditto- but for PVC Chowkat or Frame not exc 1.50 Sqm Each with shutter (without taking off shutter from the frame) and removal from site complete all as specified and directed.

Taking down Steel Window, Ventilator Frame (without taking off Shutter from the Frame) of any description including Guard Bars/ Grill, not exc. 1.00 Square Metre Each, complete all as specified and directed.

S&F steel windows or ventilators, fixed type, with glazing bars, fabricated from rolled steel sections, including holdfasts and necessary fittings, complete all as specified and as directed

Supply and fixing of pressed steel windows made from rolled mild steel Z-sections, with side-hung shutters, including projecting type hinges, steel handle, steel peg stay and glazing bars, all joints dovetailed or welded, complete and fixed in position, as specified and as directed by the Engineer-in-Charge

&F factory-made extruded WPC (Wood Polymer Composite) solid frames for doors, windows, or ventilators, size 50×100 mm, made of virgin PVC (K 58–60), calcium carbonate, natural fibers (wood/rice/wheat husk) and non-toxic additives (max toxicity index 12/100 g), fabricated with miter joints using PVC solvent cement and screwed with full-body SS star-headed screws. Frames to have minimum density 750 kg/m³, screw withdrawal strength 2200 N (face) / 1100 N (edge), compressive strength 58 N/mm², modulus of elasticity 900 N/mm², Class A flame resistance, termite/borer proof, water/moisture proof, and fire retardant. Fixed in position with MS hold fast/lugs or SS dash fasteners (paid separately), complete as specified and directed. NOTE: Minus 5 mm tolerance in frame dimensions allowed; plus variation acceptable without extra payment.

-ditto- but WPC frame of size 125 x 65 mm double rebated type

S&F factory-made extruded WPC solid plain flush door shutter, 30 mm thick, made of virgin PVC (K 58–60), calcium carbonate, natural fibers (wood/rice/wheat husk) and non-toxic additives (max toxicity index 12/100 g), with minimum density 650 kg/m³, screw withdrawal strength 1800 N (face) / 900 N (edge), compressive strength 50 N/mm², modulus of elasticity 850 N/mm², Class A flame resistance, termite/borer proof, water/moisture proof, and fire retardant. Fixed with stainless steel butt hinges using full-body SS screws (paid separately), complete as specified and directed. Note: Butt hinges shall be paid separately.

-ditto- but for 35 mm thick WPC flush shutter

S&F Butt hinges, 100mm long, stainless steel with brass/SS screws complete all as specified and directed.

S&F Aluminium alloy Handle 150mm long, cast type, anodised with brass/SS screws complete all as specified and directed.

S&F Aluminium Barrel Tower Bolt 200mm long, extruded section, with brass/SS screws complete all as specified and directed.

S&F Aluminium alloy, anodized, Sliding Door Bolt 250mm long with Hasp Staple (Bolt type) and Fixing Clips of Sheet cast or extruded section and fixing Bolts and Sliding Bolts of extruded section and fixing, with brass/SS screws complete all as specified and directed.

S&F Door Spring of Mild Steel 300mm long, Ordinary Rat Tail type, Rod pattern Springs incl Roller and Roller Plate welding with frame, etc., with brass/SS screws complete all as specified and directed.

S&F Floor Door Stopper 150mm in size, Aluminum alloy Body and Tongue with Hard Drawn Steel Spring (weight not less than 90 Gram), with brass/SS screws complete all as specified and directed.

Hacking out old broken Glass (any thickness, size, quality or description) from Metal Frames, glazed with putty or fixed with beads, complete all as specified and directed.

S&F transparent polycarbonate sheet, 4.0 mm thick, cut to size (as required) and fixed with approved screws and washers to steel windows, complete all as specified and as directed

M&L preparing new or previously untreated Steel and Iron Surfaces of windows & rolling shutters, of any description, over 10 Cm width or girth and applying Two Coats of Synthetic Enamel Paint (First quality) over a Red Oxide Zinc Chrome Primer, complete all as specified and directed.

REPAIRS TO PLUMBING

S&F in repairs Steel Water Tubing, 25mm bore, Galvanised, ‘Medium Grade’ with all Fittings, fixed on Walls, Ceiling or laid in Floors or any other Situation, complete as all specified and as directed.

S&F in repairs Rotational Moulded Polyethene Water Storage Tank, 2000 Litre Capacity, Cylindrical, Vertical type with Closed Top, 3 layered, conforming to IS, hoisted and fixed in Position alongwith GI tank nipple and tank lid incl testing complete all as specified and directed.

S&F in repairs Rotational Moulded Polyethene Water Storage Tank, 5000 Litre Capacity, Cylindrical, Vertical type with Closed Top, 3 layered, conforming to IS, hoisted and fixed in Position alongwith GI tank nipple and tank lid incl testing complete all as specified and directed.

S&F Ball Valve 25mm dia (minimum Weight 210 Gram), high pressure of PTMT with epoxy coated Aluminium Rod and high density Plastic Ball, screwed for Iron Pipe, complete all as specified and directed.

MISC ITEMS

M&L for providing and fixing retro-reflective road side informative signage boards on both sides, made of 2.0 mm thick aluminium sheet, both faces fully covered with high-intensity micro-prismatic / encapsulated lens type retro-reflective sheeting conforming to IRC:67, including inscriptions, letters, symbols and borders on both sides as approved by Engineer-in-Charge, fixed to structural frame by aluminium rivets / bolts & nuts at suitable spacing, including anti-theft arrangement and rounding of corners, complete all as specified and as directed. (NOTE: Structural frame work shall be provided and paid for separately.)”

M&L for providing and fixing stainless steel railing made of stainless steel Grade 304, fabricated from hollow tubes / channels / plates, incl cutting, welding, grinding, buffing and polishing to approved finish, making curvature wherever required, and fixing the railing in position on top of floor or on the side of waist slab with stainless steel dash fasteners, nuts, bolts and all necessary accessories complete all as specified and directed.

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