REPAIRS, REPLACEMENT OF SEWAGE LINES, MANHOLES, AND CERTAIN MISC REPAIR WORKS TO TYPE - A, B, C, J, N, KV SCHOOL AND DAD HOSTEL MARRIED ACCN OF ZONE - I AREA OF DRDO TOWNSHIP, PHASE - I, C V RAMAN NAGAR, BANGALORE

Amount

Demolition of brickwork or stone/boulder masonry, built in cement mortar including all quoins, arches, pillars, etc, separating and stacking the serviceable material and disposing the unserviceable material outside MD land complete all as specified and directed.

Demolition of plain cement concrete 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 Concrete in ground floors and paving 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 reinforced cement concrete as in cover slabs 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 concrete of any description as in bed concrete of pipe including breaking up drain pipes of 150 / 160 mm bore (Salt Glazed stone ware / AC / RCC / UPVC) set in cement mortar complete and removing the rubbish outside MD land, providing Material and labour, for Plain Concrete bed to 150 / 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) complete all as specified and as directed. Note : Supply and laying pipes will be measured and paid for separately under respective items.

Demolition of concrete of any description as in bed concrete of pipe including breaking up drain pipes of 200 mm bore (Salt Glazed stone ware / AC / RCC / UPVC) set in cement mortar complete and removing the rubbish outside MD land, providing material and labour, for Plain 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) complete all as specified and as directed. Note : Supply and laying pipes will be measured and paid for separately under respective items.

Taking down cement plaster on brick or concrete or stone walls, etc. including raking out joints, hacking for key, scrubbing down with water, etc., complete and disposing the unserviceable material outside MD land complete all as specified and 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.

All as per Serial Item No 8 here-in-above, but 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, depth exceeding 1.50 m but not exceeding 3 m 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, for Plain Cement Concrete, (1:2:4), type B0, using 12.5 mm graded stone aggregates as in coping, bed plates, water troughs and including necessary forms and moulds all as specified and as directed.

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

Material and labour for, Plain Cement Concrete 1:4:8, type D2 (using 40 mm graded stone aggregates) as in surface channels, benching, drains and like, rounded or chamfered on edges with necessary formwork, 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 aggregate as in floors, finishing the surfaces finished rough and even all as specified and as directed.

Material and labour for Plain Cement Concrete (1:5:10) type E2, using 40 mm graded stone aggregate as sunken slab filling mass concrete, complete all as specified and as directed.

Material and labour for, 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 for, 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.

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 / Sq cm as per IS 2185 (Part- I) 2005 and set in CM 1:4 complete all as specified and as directed.

Material and labour for, 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

Material and labour for, mild steel TMT bars of 6 to 8 mm dia as in reinforcements, 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

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 of paving / hardstanding laid in panels, surfaces finished fair and even 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 paving / paths, hard standing, plinth protection, etc., laid in panels, with surfaces of concrete finished rough, including providing construction joints, 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 Material and labour, non-skid Ceramic coloured tiles 7 to 8 mm thick (Grade B-IIA), area of each tile exceeding 0.06 sq m but not exceeding 0.11 sq m, as in flooring, set and pointed in white or coloured cement to match the colour of tiles including screed bed of 15 mm thick in CM 1:4, laid complete all as specified and as directed.

Demolition of existing PCC tiles of any thickness and in any position, providing Material and labour, for Chequered cement concrete tile flooring with tiles of size 30 cm x 30 cm x 20-25 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 (1:4) complete all as specified and as directed.

Demolition of existing 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 pre- mirror polished, in single piece in steps, jambs, pillars, window cills, cooking platforms 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 backing coat of 15 mm thick in CM (1:4), complete all as specified and as directed.

Taking down existing broken Cudappah stone slabs and providing material and labour of new cudappah stone cover slab, 38/40 mm thick on gully traps by adjusting the size of hole or vent pipes to avoid entering of snakes, rats etc complete all as directed.

Material and labour for, Rendering 15 mm thick on brick or concrete surfaces of manholes, drains, septic tanks, soakage wells, etc., mixing with water proofing compound, in cement mortar (1:4) and finishing the surfaces even and smooth without using extra cement all as specified and as directed. Note : Supply only water proofing compound will be measured and paid separately.

Material and labour, for Rendering 15 mm thick on fair faces of brickwork or concrete surfaces in cement mortar (1:3) and finishing the surfaces even and fair mixed with water proofing compound and applying 1 mm thick Brush bond RFX (two component acrylic polymer modified cementious coating consisting of Brush bond RFX powder and Nito bond BBX acrylic emulsion grey in colour of Make FOSROC) on plastered concrete surface for bonding new cementious materials to existing cementious surface using stiff brush roller or trowel to obtain desired thickness complete all as per manufacturer's instructions, as specified and as directed.all as specified and as directed. Note : Supply only water proofing compound will be measured and paid separately.

Supplying only water proofing liquid complete all as specified and as 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 pipe, anti syphonic pipe, complete, all as per Make : Cera, Cat No .S3010108 of CLOVIN make or techno commercially equivalent in other makes specified complete all as specified and directed.

Supply and fix in repairs, Vitreous china, white colour, wash down 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 commercial equivalent in other makes complete all as specified and as directed.

Material and labour, for UPVC pipes (conforming to IS 15328) of 160 mm internal dia, foam core, self fit, 0.4 M pa (class 2) with pressure rating @ 4 Kg / Sq cm, laid in trenches and jointed in cement mortar (1:1), including bends, elbows, etc., complete all as specified and as directed.

Material and labour, for UPVC pipes (conforming to IS 15328) of 200 mm internal dia, foam core, self fit, 0.4 M pa (class 2) with pressure rating @ 4 Kg / Sq cm, laid in trenches and jointed in cement mortar (1:1), including bends, elbows, etc., 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, PVC (SWR) pipes 110 mm dia, type B (Conforming to IS 13592), 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, PVC (SWR) pipes 75 mm dia, type B (Conforming to IS 13592), single socketed in any length with rubber ring 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. Notes for Sl Item Nos 37 & 38 : Provn of necessary scaffolding for replacing defective pipes shall deemed to be included in quoted rates, and nothing extra will be admissible in this regards.

Cleaning of blocked sewage line of any dia by rodding from one manhole to next manhole and washing through in fresh water including removing all sludge from the sewage lines, tree roots from the sewage lines and disposed off properly outside the MD land complete all as directed.

Cleaning of manhole of any description & size and not exceeding 1.5 M in depth including lifting up and removing sludge & accumulated solid/semi solid sludge and any other foreign material with vehicle KAMBI 6 LCN mounted with compressor and sucker tank of M/s Kam-avida enviro Engineers Pvt Ltd Pune or similar model vehicle & washing down with water for smooth functioning of sewage line all as directed. Sludge obtained from cleaning shall be removed to a distance not exceeding 50 metre and buried in ground to a depth not less than 1 metre complete all as directed.

Cleaning of manhole of any description & size and exceeding 1.5 M in depth including lifting up and removing sludge & accumulated solid/semi solid sludge and any other foreign material with vehicle KAMBI 6 LCN mounted with compressor and sucker tank of M/s Kam-avida enviro Engineers Pvt Ltd Pune or similar model vehicle & washing down with water for smooth functioning of sewage line all as directed. sludge obtained from cleaning shall be removed to a distance not exceeding 50metre and buried in ground to a depth not less than 1 metre complete all as directed.

Supply and fix in repairs, PVC(SWR) Gully trap 125 / 110 mm dia outlet, including jointing with solvent cement complete all as specified and as directed.

Demolition of unserviceable floor trap, supply and fix PVC floor trap 75 mm dia outlet with grating, including jointing with solvent cement complete all as specified and as directed.

Supply and fix, PVC multi floor trap 75 mm dia outlet with grating including dismantling the damaged trap all as specified and as directed.

Supply and fix PVC (SWR) bends any radius 75 mm dia with access door, fixed in pipes, complete all as specified and as directed.

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

Supply and fix, 75 mm bore, PVC (SWR) branch pipe, Single 'Y' equal or unequal with access door, complete all as specified and as directed.

Supply and fix, 110 mm bore, PVC (SWR) branch pipe, Single 'Y' equal or unequal with access door, complete all as specified and as directed.

Supply and fix in repairs PVC (SWR) vent cowl 110 mm dia complete all as specified and as directed.

Removing of blockage from kitchen/ bathroom/WHB by using rubber cup and clearing the blockage up to nearest gully trap / manhole with cleaning rod including disposing off waste material obtained complete all as directed to entire satisfaction of Engineer-in-charge.

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

Removing of blockage from gully trap to firsit manhole, cleaning by rod/pressure including disposing off waste material obtained complete all as directed to entire satisfaction of Engineer-in-charge.

Dismantling wrought iron or mild steel work of any description not otherwise provided for complete all as specified and as directed.

Material and labour, for mild steel 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 conforming to Fe.290.Gde-E-165 complete all as specified and as directed.

Material and Labour for expanded metal, not exceeding 4 Kg / Sq m, cut to length, bent to shape required including necessary welding to steel frames / grills, complete all as specified and as directed.

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.