STRUCTURAL REPAIRS TO RCC ROOF, COLUMNS, BEAMS, CHAJJAS, PARAPET WALLS AND OTHER MISC REPAIRS OF BUILDINGS UNDER AGE B R-III OF GE ND VISAKHAPATNAM

Amount

Demolition of reinforced cement concrete in roofs, floors (other than ground floors), beams, staircases, Landing, chajjas, facias and similar suspended work at any height upto 10th floor including removal of debris out side MD land complete all as directed.

M&L for Non-shrink cementitious Micro Concrete using Rendroc RG manufactured by M/s Fosroc Chemicals India (P) Ltd or its equivalent as specified modified with 12mm graded, clean saturated surface dry crusted stone aggregate in the ratio as per manufacturer's instructions, laid in average thickness of 80 to 100mm in columns, beams and similar structural members including use and waste of water tight formwork to facilitate pouring of micro concrete complete all as permanufacturer's instructions including providing double scaffolding and safety measures as required and specified. (Measurement shall be considered for circumference at center line of core thickness) including demolition of concrete in roofs, floors (other than ground floors), beams, staircases, Landing, chajjas and similar suspended work at any height upto 10th floor.

M & L for chipping of spalled and loose concrete and cleaning rust from reinforcement by sand brushing, scrubing down concrete surfaces with wire brushes cleaning with water allowed to dry applying a layer of zinc Rich epoxy primer as antirust on all exposed reinforcement followed by a layer of bonding coat of a layer of Epoxy and NITOBOND adehessive M/s Fosroc Chemicals India (P) Ltd or its equivalent as specified on complete exposed surfaces of concrete and provide guniting in Two layers over and including steel welded mesh of 2mm dia wire and total aperture 75mm, thickness of gunite not exc 25 mm thick (average thickness) using cement mortar 1 :3 mixed with and including polycrete admixture @ 2% by wight of Cement or as per anufactures instructions and finally applying cement plaster over gunite surfaces of required thickness to give an even, uniform and smooth finish conforming to proper Geometrics in cement mortar 1:4 to match with the existing surface as in sides and soffits of slabs, chajjas, fins, facias, parapets, columns and beams etc complete including necessary scaffolding, shuttering necessary chases to brick work or RCC members at any height upto 10th floor buildings including removing of small trees, shrubs, etc all as specified (Note: Welded steel mesh to be welded with the existing reinforcement. The cost of welded mesh is deemed to be included in the quoted rate complete all as specified and directed.)

M & L for chipping of spalled and loose concrete and cleaning rust from reinforcement by sand brushing, scrubing down concrete surfaces with wire brushes cleaning with water allowed to dry applying a layer of zinc Rich epoxy primer as antirust on all exposed reinforcement followed by a layer of bonding coat of a layer of Epoxy and NITOBOND adehessive M/s Fosroc Chemicals India (P) Ltd or its equivalent as specified on complete exposed surfaces of concrete and provide guniting in Two layers over and including steel welded mesh of 2mm dia wire and total aperture 75mm, thickness of gunite exc 25mm and not exc 50mm thick (average thickness) using cement mortar 1 :3 mixed with and including polycrete admixture @ 2% by wight of Cement or as per anufactures instructions and finally applying cement plaster over gunite surfaces of required thickness to give an even, uniform and smooth finish conforming to proper Geometrics in cement mortar 1:4 to match with the existing surface as in sides and soffits of slabs, chajjas, fins, facias, parapets, columns and beams etc complete including necessary scaffolding, shuttering necessary chases to brick work or RCC members at any height upto 10th floor buildings including removing of small trees, shrubs, etc all as specified. (Note: Welded steel mesh to be welded with the existing reinforcement. The cost of welded mesh is deemed to be included in the quoted rate complete all as specified and directed.)

M & L for cutting 'V' groove along the existing cracks on RCC walls / ceiling / columns / beams / floor / bricks to a size not less than 10mm widewide and 30mm deep or cut upto thee xtent of crack using electrically operated angle grinder with diamond concrete saw blade and cleaning the cut surfaces by air blower including sealing the cut portion with solvent free, three component compound, epoxy resin based putty, graded fillers and thixotropic agents with adjustable consistency [Fosroc or equivalent chemical] mixed and applied directly into cracks, blow holes, etc complete for any height of building all as per manufacturers instructions and as directed by Engineer-in-Charge.

M & L for water proofing treatment to existing damaged sunken floor surfaces by drilling holes of 20mm dia upto 75mm deep in reinforceed cement concrete structural members at an interval of not more than 500mm c/c in staggered manner or along the crack lines including cleaning of the holes by air blower and inserting PVC nozzles with fast setting mortar and covering with renderoc plug to ensure complete sealing and allowed for curing for minimum 8 hours before grouting including injection grouting with hydrozen free expanding and plasticising additive [Fosroc or equivalent chemical] including removing the nozzle injections, excess putty, if any over concrete members and grinding, levelling and finishing the external surfaces after completion of work for any height of building all as per manufacturers instructions and as directed by Engineer-in-Charge.

M & L for providing Precast RCC 1:2:4, Type B-1, using 20mm graded stone aggregate as in Landings, Cover Slabs [for manholes etc], Chullah Hoods, Chajjas, Water Troughs, Mangers, Shelves and similar articles with plain faces set in cement mortar 1:4 including demolition of existing cement concrete and removing debris not exc 100m complete all as specified and as directed.

M & L for High Strength Corrosion Resistant Deformed TMT Bars of 10mm dia and over, as in reinforcement, cut to length, bent to shape required including cranking, bending spirally for hooping, hooking ends and binding with annealed mild steel wire not less than 0.9mm dia or securing with clips or welded complete all as specified and as directed.

M & L for High Strength Corrosion Resistant Deformed TMT Bars of 8mm dia, as in reinforcement, cut to length, bent to shape required including cranking, bending spirally for hooping, hooking ends and binding with annealed mild steel wire not less than 0.9mm dia or securing with clips or welded complete all as specified and as directed.

M & L for brick work with sub class 'B' bricks, straight or curved on plan exc 6m mean radius built in CM 1:6 using old size bricks including demolition of old brick work complete for any height of building all as directed by Engineer-in-Charge.

Taking down cement plaster on brick work or stone masonry walls, etc including raking out joints, hacking for key, scrubbing down with water, etc for any height upto 10th floor complete all as specified and directed.

M & L for rendering 15mm thick in CM 1:6 on fair faces of brick work or concrete surfaces finished even and smooth with out using extra cement for any height upto 10th floor complete all as specified and directed.

M & L for rendering 15mm thick in CM 1:4 on fair faces of brick work or concrete surfaces duly mixed with and including cement water proofing compound as per manufacturers instructions, finished even and smooth with out using extra cement for any height upto 10th floor complete all as specified and directed.

M & L for rendering 5mm thick in CM 1:3 on fair faces of ceiling surfaces, finished even and smooth with out using extra cement for any height upto 10th floor complete all as specified and directed.

M & L for application of pre-batched one component Polymer modified protective Mortar (PMPM) of thickness 12-15mm of Sika Top-22 manufactured by M/s Sika India Pvt Ltd or its equivalent as specified for repair of spalled and damaged concrete in RCC Structure and superstructure works including bond coat manufactured by M/s Sika India Pvt Ltd or its equivalent in M/s Fosroc Chemicals India (P) Ltd or M/s STP Ltd or M/s Choksey Chemicals Pvt Ltd or M/s Bostik India Pvt Ltd or M/s Asian for bonding old and new concrete surfaces, including double scaffolding and safety measures as required and specified with necessary tools and machinary, curing, consumables etc. for any height upto 10th floor buildings complete all as per manufacturers instructions including taking down old plaster all as specified and as directed.

M & L for preparation of newly plastered surfaces of ceiling and applying three coats of white wash for any height upto 10th floor complete all as specified and directed.

M & L for preparation of newly plastered surfaces of walls/ceiling and applying Two or more coats of 100% Premium acrylic emulsion paint having VOC less than 50 gm/litre and UV resistance as per IS 15489:2004, Alkali & fungal resistance, dirt resistance exterior paint of required shade (Company Depot Tinted) with silicon additives @ 1.43 litre/ 10 sqm over priming coat of exterior primer applied @ 0.90 litre/ 10sqm over and including suitable thickness wall care putty for making good undulations to obtain smooth surface for any height upto 10th floor complete all as specified and directed.

M & L for preparation of old painted wooden surfaces of any description, not otherwise described over 10cm in width or girth and applying one coat of synthetic enamel paint for any height upto 10th floor complete all as specified and directed.

M & L for preparation of newly plastered wall surfaces and applying two coats of distemper oil emulsion over a coat of alkali resistant primer over for any height upto 10th floor complete all as specified and directed.

M & L for preparation of old surfaces of walls/ceiling and applying one coat of weather proof paint for any height upto 10th floor complete all as specified and directed.

M & L for complete removal of existing treatment on wall surfaces and applying two coats of 1st quality acrylic distemper (ready mixed) having VOC content less than 50 gms/litre, of approved manufacturer, of required shade and colour complete, as per manufacturer's specification over a coat of alkali resistant primer over and including suitable thickness wall care putty for making good undulations to obtain smooth surface for any height upto 10th floor complete all as specified and directed.

Complete removal of existing treatment on old surfaces of walls/ceiling and applying two coats of weather proof paint over a coat of primer for any height upto 10th floor complete all as specified and directed.

M & L for preparation of old surfaces of walls and applying one coat of distemper oil emulsion by auto roller for any height upto 10th floor complete all as specified and directed.

M & L for applying one coat of white wash to old treated plastered surfaces of ceiling including preparation of surfaces by brooming down or steel wire brushing, scrapping down smoke soot, moulds, moss and efflorescent salts and treating oil and greasy spots for any height upto 10th floor complete all as specified and directed.

M & L for applying one coat of white wash to old treated plastered surfaces of wall including preparation of surfaces by brooming down or steel wire brushing, scrapping down smoke soot, moulds, moss and efflorescent salts and treating oil and greasy spots for any height upto 10th floor complete all as specified and directed.

M & L for preparation of new or previously untreated steel surfaces of any description, not otherwise described over 10cm in width or girth and applying two coats of synthetic enamel paint over a coat of red oxide primer for any height upto 10th floor complete all as specified and directed.

M & L for 75mm thick, PCC 1:3:6, type C-2, using 40mm graded stone aggregate as in plinth protection laid to slope in panels including joints filled with mastic filling and finishing the surfaces even and smooth without using extra cement including demolition of old plinth protection complete all as specified and directed.

M & L for PCC 1:2:4, type B-1, using 20mm graded stone aggregate as in cast in lintels upto 1.5m span, copings, bed blocks for hold fasts, bed plates, roof kerbs and similar work including weathering, slightly rounded or chamfered angles and throating, as directed including necessary form work including demolition of old concrete complete all as specified and directed.

S & F 110mm bore PVC (SWR) pipes, single socketed in any length with rubber ring joints fixed to walls/ceiling including taking down old eaves gutters and rain water pipes pipes for any height upto 10th floor complete all as specified and directed.

M & L for 110mm bore PVC (SWR) bends any radius with access door for any height upto 11th floor complete all as specified and directed.

Complete removal of existing roof treatment including roughening the surfaces of old concrete surfaces by picking, sweeping, cleaning , washing down with water to remove dust, etc including Material & Labour for brushing cleaned roof surfaces with neat cement slurry @3kg/ Sqm and applying 105mm thick cement screed in cement mortar 1:4 mixed with and including water proofing compound @ 3% by weight of cement and applying polymeric water proofing membrane APP based of weight not less than 3 Kg/Sqm and minimum 3mm thick reinforced with polyster non woven fabric (weight not less than 150 gms/Sqm) including coating the surface with water based bituminous primer @ 0.5 lit / Sqm and hot blown bitumen @ 1.20 Kg/Sqm at the bottom and another coat at top of the membrane and finally finished with one coat of bitumineous aluminium primer at 100 grams/Sqm for any height upto 10th floor complete all as specified and directed.

M & L for removing plants with roots by chipping Walls / Beams / Junctions of Vertical stacks / Water supply lines or at any other location as directed, applying recommended chemical to prevent growth of plants and making good the disturbed portion with cement mortar 1:3 or with PCC 1:2:4, Type B0 (using 12.5mm graded aggregate) and painting the surfaces to match with existing treatment / finishes at any height upto 11th floor and removing debris to a distance exceeding 1.50Km but not exceeding 5.00Km complete all as directed.

S & F 20mm outer dia of pipe 3-layer PP-R polypropylene random copolymer concealed pipes SDR 7.4 (PN 16) UV Stabilised and antimicrobial fusion welded having thermal stability for hot & cold water supply including all PP-R plain & brass threaded polypropylene random fittings fixed to walls, ceiling or in floors etc. including taking up or down of old steel tubing and connections for any height upto 10th floor complete all as specified and directed.

S & F 25mm outer dia of pipe 3-layer PP-R polypropylene random copolymer concealed pipes SDR 7.4 (PN 16) UV Stabilised and antimicrobial fusion welded having thermal stability for hot & cold water supply including all PP-R plain & brass threaded polypropylene random fittings fixed to walls, ceiling or in floors etc. including taking up or down of old steel tubing and connections for any height upto 10th floor complete all as specified and directed.

S & F GI tubing 20mm bore medium grade with all fitting and fixtures complete fixed to walls, ceiling or in floors etc. including taking up or down of old steel tubing for any height upto 10th floor complete all as specified and directed.

S & F GI tubing 25mm bore medium grade with all fitting and fixtures complete fixed to walls, ceiling or in floors etc. including taking up or down of old steel tubing for any height upto 10th floor complete all as specified and directed.

S & F in repairs gun metal, globe or gate valves, 25mm bore with iron wheel head, screwed both ends for iron pipe and fixed for any height upto 10th floor complete all as specified and directed.

S & F in repairs gun metal, globe or gate valves, 20mm bore with iron wheel head, screwed both ends for iron pipe and fixed for any height upto 10th floor complete all as specified and directed.

M & L for PCC 1:5:10, type E-2 using 40mm graded stone aggregate as in foundation, sunken floor filling and mass concrete including demolition of old sunken floor concrete for any height upto 10th floor complete all as specified and directed.

M & L for rendering 10mm thick pre-batched polymer modified protective mortar [PMPM] of Sika top 22 or its equivalent finished even and smooth as in sunken floors and applying suitable bonding agent on plastered surfaces as per manufacturers instructions for any height upto 11th floor complete all as specified and directed.

M & L for 25mm thick, PCC 1:2:4, Type B-0, using 12.5mm graded stone aggregate as in sub base of floors for any height upto 10th floor complete all as specified and directed.

M & L for coloured joint free Non skid Ceramic tiles 7 to 8 mm thick (square/rectangular) of size 300mmx300mm, laid in floors set and jointed in neat cement slurry and pointed in white or coloured cement to match the shade of tiles laid over and including 15mm thick screed bed in CM 1:6 including dismantling existing tiles for any height upto 10th floor complete all as specified and directed.

S & F in repairs vitreous china squatting pan of orissa pattern of size 580x440mm colour to match the existing surface with P or S trap front or back with integral foot rest including connection to trap and to flushing pipe anti syphon pipe etc for any height upto 10th floor complete all as specified and directed.

S & F in repairs Vitreous China Wash Down Water Closet [Pedestal pattern] White, including flush pipe of polyethylene of low or high density of PVC 32mm dia, PVC Connection of 15mm Bore and 600mm long with PTMT check nut and union etc. including brackets and connections to pipe and flush pipe including plastic water closet seat back closed pattern with flat bottom and cover and mild steel chromium plated or aluminium hinging device and 'P' or 'S' trap for any height upto 10th floor complete all as specified and directed.

M & L for repairing the floor trap by demolition of floor concrete or sub base concrete around the trap of size 30cmx30cm to the required depth (bottom of the trap) and providing PVC SWR pipe from trap to top portion upto grating and finishing the same with cement concrete (1:2:4) type B0 (using 12.5mm graded stone aggregate) for any height upto 10th floor complete all as specified and directed.

S & F in repairs 10 Ltr capacity PVC valveless, syphonic action type flushing cistern, low level, white with inlet, ball valve, float and handle including brackets, for any height upto 11th floor complete all as specified and directed.

S & F 3mm thick sheet glass ordinary quality and glazing with oil putty or beading in squares not exc 0.5 Sqm in each pane including hacking out old broken glass for any height upto 11th floor complete all as specified and directed.

M & L for Factory made single piece Monolithic casted Fibre glass Reinforced Plastic (FRP) Chajjas, 4mm thick, approved colour, manufactured using unsaturated polyster resin as per IS :6746, duly reinforced with fibre glass chopped stand Mat (CSM) as per IS 11551 with protective Gel coat U/V coating on top for complete resistance from the extreme temperature, weather & sunlight, size and design made by resin Transfer Moulding (RTM) Technology with void free compact laminate finish having smooth gradual slope curvature for easy drainage of water and duly reinforced with 50x2 mm thick MS flats at edges with 12mm in-built hole for grouting on the existing wall along with 50mm flanges duly inserted and sealed in the wall including all necessary fittings for any height upto 11th floor complete all as specified and directed.

S & F mild steel framed work such as grills, grating, 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, frame work of water tanks and similar work conforming to FE 290, Gde E-165 including dismantling old structural steel work complete all as specified and as directed. [Note for above items: Tenderers to note that scope of work under some of the a above items shall be executed in the buildings of varying heights upto 11th floor. Provision of necessary scaffolding & ensuring safety measures as directed by the GE are deemed to be included in the unit rates quoted by the Contractor. Quoted rates are also include for Washing floors, cleaning glass, joinery, electric fittings, wiring, etc. of drops and splashes and leaving premise, clean and tidy. Tenderers area dvbised to visit the site of work prior to submit their bid online. No extra claim whatsoever on account of height of buildings is admissible at later stage.]

RAGHU RAMA PANDA (BID ID -3441048)

M/S SRI VENKATA BHAVANI CONSTRUCTIONS (BID ID -3445716)

KSN PROJECTS (BID ID -3441700)

AMBIKAA ENGINEERING (BID ID -3445175)

M/S EAST COAST ENTERPRISES (BID ID -3445145)

P SRINIVASA RAO (BID ID -3445399)

K.ADITYA ENGINEERING CONTRACTORS (BID ID -3441100)