REPAIRS TO MASONRY, PLASTERING, ROOFING, PLINTH PROTECTION, SEWAGE LINES, MANHOLES AND MISC REPAIR WORKS TO TYPE A, B, C, N, J MARRIED ACCN, K V, KG SCHOOL AND DAD HOSTEL AT DRDO TOWNSHIP, PHASE-I, C V RAMAN NAGAR, BENGALURU

Amount

Demolition of cement concrete (un-reinforced) in ground floors and pavings not exceeding 15 cm thickness (below or above ground level) and disposing of debris outside MD land complete all as specified and as directed.

Demolition of Brickwork or stone/boulder masonry, built in cement mortar including all quoins, arches, pillars, etc, but excluding ashlar facings, dressed stonework and precast concrete articles and disposing of debris outside MD land complete all as specified and as directed.

Demolition of cement concrete (unreinforced) of any description and in any position not otherwise specifically provided for; and disposing of debris outside MD land complete all as specified and as directed.

Demolition of reinforced Cement Concrete, like RCC cover slabs, etc., of any description and in any position and removing the debris out side MD land complete all as specified and directed.

Taking down cement plaster of any description including raking out joints, hacking for key, scrubbing down with water, etc., and disposing of debris outside MD land 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 as directed.

Cutting into existing manholes for connecting new drains ,making good to pipe and rendering, cutting out existing benching for and forming branch channel (1/2 round or 3/4 section) in plain cement concrete 1:2:4 type B1 (using 20 mm graded stone aggregate) and finishing the surfaces smooth and reforming benching as required for 160 mm bore pipe.

Cutting into existing manholes for connecting new drains ,making good to pipe and rendering, cutting out existing benching for and forming branch channel (1/2 round or 3/4 section) in plain cement concrete 1:2:4 type B1 (using 20 mm graded stone aggregate) and finishing the surfaces smooth and reforming benching as required for 200 mm bore pipe.

Excavation in trenches not exceeding 1.50 m wide and not exceeding 1.50 m deep for foundations etc. or for shafts, wells, cesspits, manholes, pier holes, etc. and not exceeding 10 sq m on plan and getting out in any type of soil complete all as specified and as directed.

Excavation in trenches not exceeding 1.50 m wide, exceeding 1.50 m but not exceeding 3 m deep for foundations etc. or for shafts, wells, cesspits, manholes, pier holes, etc. and not exceeding 10 sq m on plan and getting out in any type of soil complete all as specified and as directed.

Returning, filling in, including spreading, leveling, watering and well ramming soils in layers not exceeding 25 cm complete all as specified and as directed

Removal of excavated soil not exceeding 50mtr and depositing where directed at a level not exceeding 1.5m above the starting point.

Material and labour, Plain Cement Concrete (1:4:8) type D2, using 40 mm graded stone aggregate as in foundation filling, etc., complete all as specified and as directed.

Material and labour, Plain Cement Concrete 1:2:4, type B1 (using 20 mm graded stone aggregates) as in surface channels, benching, coping, drains and like, rounded or chamfered on edges with necessary formwork, complete all as specified and as directed.

Material and labour, Pre-cast Reinforced Cement Concrete, (1:2:4), type B1 using 20 mm graded stone aggregates as in cover slabs of manholes, gully traps, drains, etc., set in CM(1:4) complete all as specified and as directed. NOTE :- Steel for Reinforcement will be measured and paid separately.

Demolition and breaking up 150/160 mm dia drain pipes, including bed concrete for Salt glazed ware, UPVC, AC, or Reinforced cement concrete pipes, set in cement mortar, removing the rubbish outside MD land and providing Plain cement concrete bed to 160 mm bore drain pipe including packing under and haunching against the sides of pipes, after they are laid and tested, with plain cement concrete 1:4:8 type D2 (using 40 mm graded stone aggregate) all as specified and directed. Note: Necessary excavation and earthwork, pipes will be measured and paid for separately under respective items.

Demolition and breaking up 200 mm dia drain pipes, including bed concrete for Salt glazed ware, UPVC, AC, or Reinforced cement concrete pipes, set in cement mortar, removing the rubbish outside MD land and providing Plain cement concrete bed to 200 mm bore drain pipe including packing under and haunching against the sides of pipes, after they are laid and tested, with plain cement concrete 1:4:8 type D2 (using 40 mm graded stone aggregate) all as specified and directed. Note: Necessary excavation and earthwork, pipes will be measured and paid for separately under respective items.

Material and labour for Pre-cast cement concrete block masonry with grade ‘C’ solid blocks exceeding 10 cm in width, having minimum compressive strength of 50 Kg / Sqcm as per IS 2185 (Part- I) 2005 and set in CM 1:6 complete all as specified and as directed.

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

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

Material and labour, Brick work with sub class `B’ bricks, built in CM (1:4) straight or curved on plan exc. 6 m mean radius etc., complete all as specified and as directed.

Material and labour, mild steel TMT bars of 10 mm dia as in reinforcement, cut to length, bent to shape required, including cranking, bending, spirally looping for columns, hooking ends & binding with and including mild steel annealed wire of not less than 0.9 mm dia or securing with clips complete all as specified

Supply and fabricating framed steel work and fixing as in doors or gates of angle or other section with gusset plates, rails, braces, etc., Fe-290 (Gde E-165) complete, drilled for fixing of steel sheeting or other covering. Doors, etc. to be prepared for hanging or sliding with and including either hooks or hinges or steel hanging door fittings, steel sheeting or other covering, running rails and guides) and hanging; fastening and fixing complete all as specified and as directed.

Supply, fabrication of structural work as in framed work 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; walk ways; railings; framework of water tanks and similar work con- forming to Fe.290.Gde-E-165 complete all as specified and as directed.

Demolition of interlocking paver blocks of any thickness and in any position, providing material and labour, for 60mm thick factory made rubberised coloured (laminated) interlocking paver blocks laid using vibro compaction method, topping thickness not less than 5mm) in white cement and non fadable glossy pigment of approved shade, of any shape and size conforming to IS-15658-2006 of M-35 grade over and including 50mm thick dry sand cushion complete all as specified and as directed.

Demolition of stone slabs of any thickness and in any position, providing material and labour, for Chequered Plain cement concrete commercial tile flooring with tiles of size 30 cm x 30 cm x 20-22 mm thick, with grey cement and pigments, set, jointed and pointed in neat cement slurry, over and including screed bed of 15 mm thick in CM (1:6) complete all as specified and as directed.

Demolition of stone slabs of any thickness and in any position, providing material and labour, for 18 to 20 mm thick Granite work (of any type), table rubbed and mirror polished), as in jambs, pillars, window-cills, cooking platform and like set 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, making hole for gas pipe, edges made half round, laid over and including screed bed or bedding layer of 15 mm thick in CM (1:4), complete all as specified and as directed.

Material and labour, for 25 mm thick Plain Cement Concrete 1:2:4, type B0, using 12.5 mm graded stone aggregates as in flooring, finishing the surfaces rough and even to receive screed bed / bedding layer complete all as specified and as directed.

Material and labour, for 75 mm thick Plain Cement Concrete (1:3:6), type C1, using 20 mm graded stone aggregates as in pavings / plinth protection laid in panels, and joints filled with bitumen and sand mixed in 1:3 by weight, finishing the surfaces even and fair complete all as specified and as directed.

Material and labour, for 75 mm thick Plain Cement Concrete (1:4:8), type D2, using 40 mm graded stone aggregates as in sub base / flooring, etc., finishing the surfaces even and fair complete all as specified and as directed.

Demolition of floor, hearth or wall tiling including cement mortar bedding (including backing), removing serviceable tiles to store and rubbish off the premises and disposing of debris outside MD land, providing non-skid Ceramic flooring, using coloured tiles 7 to 8 mm thick (Grade B-IIA), area of each tile exceeding 0.06 sqm but not exceeding 0.11 sqm, as in flooring, set and pointed in white or coloured cement to match colour of tiles over and including 15 mm thick screed bed in CM (1:4) complete all as specified and as directed.

Demolition of floor, hearth or wall tiling including cement mortar bedding (including backing), removing serviceable tiles to store and rubbish off the premises and disposing of debris outside MD land, providing dado / skirting with Glazed ceramic coloured tiles, of size 300 x 200 x 7 mm thick (Grade B-IIA) set and jointed in neat cement slurry and pointed in white or coloured cement to match the colour of tiles, laid over and including provision of backing coat of 10 mm thick rendering in CM 1:3, complete all as specified and directed.

Material and labour for Plain Cement Concrete, (1:2:4), type B1, using 20 mm graded stone aggregates as in coping, haunching, padding concrete (including mixing with water proofing liquid as per manufacturers instructions) for obtaining uniform slope on roof top and finishing the surface even and smooth without using extra cement complete all as specified and directed. Note : Supply only liquid based water proofing compound will be measured and paid for separately under respective item.

Material and labour for APP based polymeric membrane minimum weighing 3 kg / sq. m and minimum 3mm thick reinforced with polyester non woven fabric (weight not less than 150 gms / sq m) laid over primed surface including bituminous primer conforming to IS-3384 applied @ 0.3 litre/sq m by forced application, complete all as specified and as directed. The complete roof treatment shall be consisting of as under :- (i) 10 mm thick cement screed in CM 1:4 mixed with liquid based water proofing compound (Supply only liquid based water proofing compound will be measured and paid for separately), (ii) Applying one coat of bituminous primer conforming to IS-3384 @ 0.3 litre / sq m (iii) Laying of APP based membrane of specified thickness and weight. (iv) Applying two coat of aluminium paint @ 100 ml / sq m in each coat.

Material and labour, for rendering 10 mm thick in Cement mortar 1:6, on brick work/concrete surfaces finished fair and even complete all as specified and directed

Material and labour, for rendering 15 mm thick in Cement mortar 1:4, on brick or concrete surface of manholes, drain and septic tank/soakage well and finishing the surface with using water proof compound even and smooth without using extra cement, complete all as specified and directed. Note: Water proofing compound shall be measured and paid separately

Rendering 15 mm thick on brick or concrete surfaces in cement mortar(1:4) mixed with water proofing compound and finishing the surfaces even and smooth without using extra cement all as specified and as directed. Note : Water proofing compound shall be measured and paid seperately

Material and labour, for rendering 5 mm thick on brick or concrete ceiling surfaces in cement mortar(1:3) and finishing the surfaces even and smooth without using extra cement complete all as specified and as directed.

Preparation of new or previously untreated plastered wall surfaces of any description not otherwise described and applying two coats of oil bound distemper over a coat of water based wall primer over and including 1 mm thick wall care putty, complete all as specified and as directed. Note : Quoted rate shall deemed to include for cost of wall care putty.

Preparation of new or previously untreated plastered ceiling surfaces of any description not otherwise described and applying two coats of oil bound distemper over a coat of water based wall primer over and including 1 mm thick wall care putty, complete all as specified and as directed. Note : Quoted rate shall deemed to include for cost of wall care putty.

Preparation of new steel surfaces exceeding 10 cm in width or girth, applying two coats of synthetic enamel paint over a coat of red oxide zinc chrome primer complete all as specified and as directed.

Preparation of old steel surfaces of any description not other wise described over 10 cm width or girth applying one coat of synthetic enamel paint complete all as specified and as directed.

Preparation of new plastered surfaces of any description and applying two coats of cement based paint over a coat of alkali resistant primer on walls complete all as specified and as directed.

Taking up or down 20 mm dia, GI tubing and connections, cleaning, re-fixing old steel tubing and connections in new or old position (Walls, ceiling, floors, etc.), after cleaning including cutting and threading pipe and provn of additional fittings such as sockets, tee, elbows, unions, (if required) complete all as specified and as directed. Notes: Taps, valves if any shall be removed before taking down pipe,

Supply and fix in repairs, Vitreous china, white colour, water closet pan (pedestal pattern), with PP soft seat cover, hinges, other fixing accessories set (excluding flushing cistern and flush pipe), UPVC (SWR), 'P' or 'S' trap, and connecting to drain (or outgoing pipe), flush pipe, anti syphonic pipes, Make : Cat Part No CNS-WHT-553SS of Jaquar or techno commerical equivalent in other makes complete all as specified and directed.

Supply and fix in repairs, Vitreous china, white colour, 'Orissa pattern' squatting pan of size 580 mm x 440 mm with UPVC 'P' trap or 'S" Trap, front or back inlet, integral foot rests, connecting to trap, flushing pioe, anti syphonic pipe, complete, all as per Make : Cera, Cat No .S3010102 of CALINA make or techno commercially equivalent in other makes specified complete all as specified and directed.

Disconnecting existing PVC water tank of capacity exc 300 litres, but not exceeding 1000 litres (fixed on roof), setting aside (or lowering if required), cleaning, removing all scales, dirt from tanks, from mouths of circulating pipes, etc., and hoisting / re-fixing / re-connecting in same / new position, writing date of cleaning with white paint, (height / size of letters / figures not less than 10 cm in height, refixing serviceable ball valve, complete all as specified and as directed.

Supply and fix in repairs Ball valves of 20 mm dia , (minimum weight 210 grams) , high pressure of PTMT with epoxy coated aluminium rod & high density plastic ball screwed for iron pipe complete all as specified and as directed.

Taking down eaves gutters, soil / waste / vent pipes / rain water pipes (any size or pattern), including all fittings, heads, shoes, bends, swan-necks, etc., Supply and fix, UPVC (SWR) pipes 110 mm dia single socketed in any length with solvent cement joints laid under floor or on walls fixed as soil / waste / vent pipes with Stack clamps made out of 50 mm by 5 mm flat iron and 16mm dia round iron stays, including bolts and nuts and securing ends of stays to wall complete all as specified and as directed.

Taking down eaves gutters, soil / waste / vent pipes / rain water pipes (any size or pattern), including all fittings, heads, shoes, bends, swan-necks, etc., Supply and fix, UPVC (SWR) pipes 75 mm dia single socketed in any length with solvent cement joints laid under floor or on walls fixed as soil / waste / vent pipes with Stack clamps made out of 50 mm by 5 mm flat iron and 16mm dia round iron stays, including bolts and nuts and securing ends of stays to wall complete all as specified and as directed.

Supply and lay, UPVC pipes of 160 mm internal dia, foam core, 0.4 Mpa (Class 2) with pressure rating @ 4 Kg / Sq cm, laid in trenches and jointed in cement solvent including bends, elbows, etc., complete all as specified and as directed.

Supply and lay, UPVC pipes of 200 mm internal dia, foam core, 0.4 Mpa (Class 2) with pressure rating @ 4 Kg / Sq cm, laid in trenches and jointed in cement solvent including bends, elbows, etc., complete all as specified and as directed.

Supply and fix UPVC (SWR) bends any radius 110 mm dia with oval access door, fixed in pipes, complete all as specified and as directed.

Cleaning of sewage line of any dia and depth; mechanically by taking of sludge water/night soil/salted soil of MH and finally cleaning the sewage line by rodding or flushing with water to remove all stacking inside the pipe complete all as specified and directed.

Cleaning manhole up to 1.5 m deep and taking out sludge, night soil, sludge water, etc mechanically and removing the same to a distance not exceeding 1.50Km out side MD land and burried underground, working in foul condition complete.

All as per Sl item No.55 here-in-above but depth exceeding 1.50M not exceeding 3.00M complete all as specified and as directed.

Cleaning of blockage of gully trap to first manhole by rodding/pressure complete all as specified and as directed.

Cleaning of floor trap by rodding/pressure/pumping complete all as specified and as directed.

Cleaning of blockage WC (E type or I type) by opening inspection door bend and using rodding/pressure technique to clear blockage complete all as specified and as directed.

Demolition of existing gully trap, Supply and fix new UPVC (SWR), gully trap 125 / 100 mm dia setting and jointing with solvent cement complete all as specified and as directed.

Demolition of existing floor / nahani trap, Supply and fix new UPVC (SWR), floor / nahani trap 75 mm dia setting and jointing with solvent cement complete all as specified and as directed.

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