ROUTINE PREVENTIVE AND CORRECTIVE MAINTENANCE OF SEWAGE SYSTEM AND CLEANING OF SEPTIC TANKS PERIODICALLY IN CABS CEMILAC AND STIR UNDER AGE BR II OF GE I R AND D EAST BANGALORE

Amount

Dismantling of stone slabs and tiles of any description or thickness in floors, aprons etc., like interlocking tiles / chequered tiles any pattern laid bedded and pointed in any mortar complete all as specified and as directed.

Demolition of cement concrete / cutting of roads of any description and in any position not otherwise specifically provided for complete all as specified and as directed.

Material and labour for demolition of RCC of any description and in any position not otherwise specifically provided for including cutting of reinforcement as required to facilitate demolition complete all as specified and as directed.

Material and labour for Plain Cement Concrete (1:4:8), type D2, 100 mm thick using 20mm graded stone aggregates as in sub bases complete all as specified and as directed.

Material and labour for sand filling under floors or in foundations including watering and consolidation for laying of interlocking paver blocks complete all as specified and as directed. NOTE :- Mining sand / stone dust shall be of approved quality and should be free from lumps / broken / flaky aggregate.

Material and labour for coloured interlocking paver blocks M-35 grade, 60mm thick of approved pattern and make with grey cement and pigment, compressed over compacted earth complete all as specified and as directed. NOTE :- Quoted rate shall be inclusive of levelling of finished tiled surface with vibrator compacting machine etc complete all as specified and as directed.

All as per Sl Item No. 6 above but except interlocking tiles. NOTE :- Serviceable tiles as obtained from Dismantling of Sl Item No.1 shall be reused.

Material and labour for Plain Cement Concrete (1:3:6), type C2, 100 mm thick using 20mm graded stone aggregates as in sub bases complete all as specified and as directed.

Material and labour for Chequered cement concrete tiles (with grey cement and pigment) manufactured in rubber moulded finish of size not less than 300 x 300 x 22 to 25 mm thick, set, jointed and pointed in near cement slurry over and including 15 mm thick cement mortar screed in CM (1:6) as in floors complete all as specified and as directed.

All as per Sl Item No. 6 above but except interlocking tiles including making good of undulated tiles set right and leave all surroundings finished as it is complete all as specified and directed. NOTE :- Serviceable tiles as obtained from Dismantling of Sl Item No.1 shall be re used.

Cleaning of blockage of bathroom / kitchen by cleaning the Nahani traps / gully / traps / floor trap of all the mud / sludge and getting out, washed thoroughly to grating of trap, CI waste pipe by opening the cleaning eye and depositing of sludge in a pit of suitable size at a distance not exceeding 50 metres form the gully trap and covering the same with the soil obtained from excavation of pit including all excavation as directed and whenever required.

Cleaning of blockage of WC Indian / European type of all the mud / sludge and getting out including cleaning of SGSW/ CI Pipe upto 1st manhole and depositing the sludge in a pit of suitable size at a distance not exceeding 50m from the gully trap and covering the same with the soil obtained from excavation of pit including all excavations as directed and whenever required complete all as specified and as directed.

Cleaning of blockages in sewage line having dia of 100 mm to 150 mm through deploying of skilled safaiwala by roding, sewage cleaning rod and ball system up to a depth of 1.50 mtr and removing of silt/cached mud/waste obtained from sewage line upto a lead of 2.50 KM to 5.00 KM complete all as specified and as directed.

All as per Sl Item No 13 above but depth of sewer exceeding 1.50 metre but not exceeding 3.00 metre.

All as per Sl Item No 13 above but dia of sewage line exceeding 150mm but not exceeding 300mm dia and depth of sewage line exceeding 3.00 metre but not exceeding 4.50metre.

All as per Sl Item No 13 above depth of sewage line exceeding 4.50 metre and not exceeding 6.00 metre.

Preventive and routine cleaning of manholes through systematic programme of cleaning / removing of silt accumulation chamber / manholes through a sewer cleaning gang under supervision of competent person including taking all safety precautions to avoid mis happenings and removal of silt / cached mud up to a distance exceeding 2.5 KM but not exceeding 5.00 KM for manholes of de[th upto 1.50metre complete all as specified and as directed.

All as per Sl Item No 17 above but depth of manholes exceeding 1.50 metre but not exceeding 3.00 metre.

All as per Sl Item No 17 above but depth exceeding 3.00 metre but not exceeding 4.50 metre.

All as per Sl Item No 17 above but depth exceeding 4.50 metre and above.

Routine cleaning of sewer through a systematic programme of cleaning of sewage line through Providing Suction cum Jetting sewerage Cleaning Machine as per Technical Specification along with safety equipment viz mask, Oxygen Cylinder, gloves, rope ladder, venella rope, body suits & helmet etc and attending sewer cleaning of sewer mains in lanes, sub lanes depth up to 1.50 metre including preventive maintenance of sewer lines and as directed by the Engineer-in-Charge.

All as per Sl Item No 21 above but depth exceeding 1.50 metre but not exceeding 3.00 metre.

All as per Sl Item No 21 above but depth exceeding 3.00 metre but not exceeding 4.50 metre.

All as per Sl Item No 21 above but depth exceeding 4.50 metre but not exceeding 6.00 metre.

Providing one trolley mounted sewage pump of non clogging type with self priming unit, 6.5 BHP capacity, diesel driven with discharge pipe including fuel, pump operator and pumping out of sewage / sludge effluent from sewage sump (to be used on failure of existing pumping system) to keep line clear complete all as specified and as directed.

Cleaning septic tank of 50 Users capacity including removal of sludge/sewage water and disposal to outside MD land and covering with layer of earth and sprinkling adequate quantity of lime powder to avoid health hazard complete all as specified and as directed.

All as per Sl Item No 26 above but 100 users capacity.

All as per Sl Item No 26 above but 150 users capacity.

All as per Sl Item No 26 above but 200 users capacity.

Taking up or down 15mm bore GI pipe and connections laid on roof, wall, ceiling etc. with due care including cleaning properly, for refixing or removal from site complete all as specified and as directed.

Taking up or down 20mm bore GI pipe and connections laid on roof, wall, ceiling etc. with due care including cleaning properly, for refixing or removal from site complete all as specified and as directed.

Supplying and laying of CPVC pipes outer diameter 20mm SDR 11 & Plain CPVC SDR 11 fittings on walls / ceiling or laying in floors complete all as specified and as directed.

Supplying and laying of CPVC pipes outer diameter 25mm SDR 11 & Plain CPVC SDR 11 fittings on walls / ceiling or laying in floors complete all as specified and as directed.

Provision of brass elbow fixing with CPVC pipes outer diameter 20mm complete all as specified and as directed.

Provision of brass elbow fixing with CPVC pipes outer diameter 25mm complete all as specified and as directed.

Provision of female brass threaded adaptor fixing with CPVC pipes outer diameter 20mm complete all as specified and as directed.

Provision of female brass threaded adaptor fixing with CPVC pipes outer diameter 25mm complete all as specified and as directed.

Provision of brass Tee fixing with CPVC pipes outer diameter 20mm complete all as specified and as directed.

Supply and fix in repairs Bib taps bore dia of pipe in 15 mm, CP brass with fancy type, screwed down, screwed for iron pipe or for brass ferrule and fixed complete all as specified and as directed.

Supply and fix 15mm bore dia of pipe, Gun-metal, globe or gate valves, with iron wheel head, screwed both ends for iron pipe and fixed complete all as specified and as directed.

Dewatering the existing PVC tank of 500 Ltr capacity kept over roof slab of building of any height and cleaning internal surfaces of tanks to remove scales, mud and other foreign materials, scrubbing with water using coir / jute brushes and washing the surface with fresh water, then cleaning the surface with mixture of bleaching powder and water and finally washing with fresh water all surfaces and bottom surfaces etc complete and writing in block CAPITAL letters denoting "CLEANED ON (DATE)' and DUE ON (DATE)' , size of letter shall be 50mm complete all as directed.

All as per Sl Item No 41 above but water tank 1000 Ltrs Capacity.

All as per Sl Item No 41 above but water tank 2000 Ltrs Capacity.

All as per Sl Item No 41 above but water tank 5000 Ltrs Capacity.

All as per Sl Item No 41 above but water tank 10000 Ltrs Capacity.

Demolition of breaking up drain pipes 150mm internal dia of pipe (slat glazed ware AC or reinforced concrete) set in cement mortar including breaking and removal of bedding and hunching complete all as specified and as directed.

Material and labour for double wall corrugated pipes of 150mm bore made with HDPE material used for conveying and facilitating smooth flow of sewage and rodent proof (UD pipe S 20 / SN4 / SDR 41, in any length with rubber ring and solvent joints, including couplers and all necessary fixing arrangement laid in treaches or in floors complete all as specified and directed. NOTE :- These pipe having smooth internal surfaces and corrugated external surfaces.

Material and labour for Plain cement concrete, (1:3:6), type C 1, using 20mm graded stone aggregate as in bed to drain pipes 150 mm bore including packing under and haunching against the sides of pipes after they are laid and tested complete all as specified and as directed.

Material and labour for making good the road cutting portion with 75mm thick Plain Cement Concrete (1:2:4), type B1, using 20mm graded stone aggregate including finishing the concrete topping even and fair complete all as specified and as directed.

Material and labour for 75mm thick plain cement concrete, type C1, (1:3:6), using 20mm graded crushed stone aggregate as in plinth protection finished fair and even without using extra cement complete all as specified and as directed. NOTE :- The plinth protection shall be laid in panels and length of the each panel shall not be more than 2.00 metre all as directed. 6mm joints filled with 85 / 25 grade bitumen and sand (1:3 ratio) shall be provided. No deduction for joints shall be made while making payment against the above item.

Excavation of trenches n.exc 1.5 m wide and n.exc 1.5m in depth for foundation etc n.exc 10 sqm on plan and n.exc 1.50 depth for manhole etc getting out hard / dense soil complete all as specified and as directed.

All as per Sl Item No. 51 above but depth exc. 1.5m and n.exc.3.00m.

Returning, filling in, including spreading leveling, watering and well ramming in layers n.exc. 25 cm thick in hard / dense soil complete all as specified and as directed.

Removing of excavated soil to a distance exc .1.5 KM and n.exc. 5 KM and depositing where directed at a level n.exc. 1.5 above the starting point complete all as specified and as directed.

Cutting into existing man holes for connecting new drains, making good to pipe and rendering, cutting out existing benching for and forming branch channel(1/2 round or ¾ section) in cement concrete 1:2:4 type B-1 smooth finished and reforming benching as required, internal dia of pipe 150mm complete all as specified and as directed.

All as per Sl Item No 54 above but for removing existing branch drain, making good to walling and rendering, cutting out branch channel, and making good benchings complete all as specified and as directed.

Demolition of brick work or stone boulder masonry built in cement mortar complete all as specified and as directed.

Material and labour for Pre-cast cement concrete block masonry type C1 (1:3:6), using 20 mm graded stone aggregate with solid blocks, exc. 10cm in width and setting in cement and sand mortar (1:4) complete all as specified and as directed.

Material and Labour for rendering 15 mm thick in CM (1:4) on brick walls finished even and smooth with out using extra cement complete all as specified and as directed.

Supply only Dr. Fixit Pidiproof LW+ Roof water proofing (Mix 200 ml of LW+ with every 50 kg bag of cement.) complete all as specified and as directed.

Material and labour for Plain Cement Concrete, (1:2:4), type B1, using 20mm graded aggregate. as in coping, benching etc., including finishing concrete surfaces even and smooth with using extra cement etc., complete all as specified and as directed.

Taking down cement plaster of any description, thickness including racking out joints hacking for key scrubbing down with water all as specified and as directed.

Material and labour for Pre cast Reinforced Cement Concrete, (1:2:4), type B1, using 20mm graded stone aggregate as in cover slabs for man holes, water tanks etc., set in CM (1:4) complete all as specified and as directed.

Material and labour for TMT steel bars 10mm dia and over as in reinforcement cut to length bent to shape required for hooping of column hooking ends and spirally and binding with MS wire annealed not less than 0.90mm dia all as specified and as directed.

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

Material and albour for preparation of new concrete surfaces of any description over 10cm girth or width, not otherwise describe applying two coats of synthetic enamel paint of approved tint including one under coat of priming paint complete all as specified and as directed.

Material and labour for Plain Cement Concrete, type C2, (1:3:6) using 40 mm graded stone aggregate as in Cement concrete in foundations, filling and mass concrete or Sub base as directed finishing the surfaces fair and even complete all as specified and as directed.

Supply and fix in repairs PVC tank covers (ISI Mark) suitable for PVC tanks of capacity 500 to 10000 Ltrs including necessary fixing arrangements etc complete all as specified and as directed.

Material and labour for providing 100mm thick vaccum dewatered floor of Ready Mix Concrete (M-25 grade) including side shuttering (MS channel) and vibrating the same using double screed vibrator, removal of excess water using vaccum pump, suction matt, floating and rolling of concrete to the required finish using skin floater and power trovel complete all as specified and as directed.

Supply and application of non metallic floor hardner @ 3 Kg/Sqm on wet concrete mate (SCIA forsrock or equivalent) complete all as specified and as directed.

Cutting the groove of size 3mm x 20mm using diamond cutter on vaccum dewatered floor and filling the same with bitumen complete 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.

Dismantling of floor, hearth or wall tiling including cement mortar bedding (but not backing) and removing rubbish off the premises complete all as specified and as directed.

Material and labour for non skid ceramic coloured tiles printed 7 to 8 mm thick (square/ rectangular) area of each tiles exceeding 0.06 Sqm but not exceeding 0.11 Sqm as in floors etc; set and jointed in neat cement slurry and pointed in white cement mixed with pigment to match with the shade of tile over and including 15mm thick screed bed or bedding layer of cement mortar (1:6) complete all as specified and as directed.

Material and labour for glazed ceramic coloured tiles of size 300mm x 450mm x 7 to 8 mm thick on vertical surfaces; set and jointed in neat cement slurry and pointed in white cement mixed with pigment to match with the shade of tile over and including 10 mm thick cement plaster in cement mortar (1:4) complete all as specified and as directed.

Taking down chowkhats or frames with shutter (without taking off shutter from the frame) area n. exc 1.50 sqm in each complete all as specified and as directed.

Supply and fix solid PVC door frame of size 50mm X 47mm made out of 5mm plain colour PVC sheet reinforced with MS square tubes, as per specifications and drawing complete all as specified and as directed.

Supply and fix factory made solid PVC door shutter 30mm thick(style) consisting of frame made out of MS tubes for bottom and top rails. MS frame shall be covered heat moulded plain colour PVC 'C' channel having PVC sheet strip of 20mm width stuck inside with solvent cement for stiles and plain colour PVC sheets for top rail, lock rail and bottom rail on either side and as gap insert for top rail and bottom rail; Panelling for plain colour PVC sheet to be fitted in the MS frame welded/sealed to the stiles and rails with suitable PVC sheet beading, and jointed together with solvent cement, supplying and fixing in the frame at the site as per specification.

Supply and fix 100mm size mild steel butt hinges medium weight cold rolled complete all as specified and as directed.

Supply and fix 125mm long extruded aluminium alloy handle complete all as specified and as directed.

Supply and fix 200mm long Anodised Aluminium tower bolt complete all as specified and as directed.

Supply and fix in repairs Chromium plated bib cock 2 way double handle with flange complete all as specified and as directed.

Supply and fix in repairs Pillar taps, bore dia of pipe in 15 mm cast copper alloy, with fancy type, chromium plated, screwed down high pressure, with or without lettered 'Hot' or 'Cold' with long screwed shanks and fly-nuts, screwed for iron pipe and fixed complete all as specified and as directed.

Supply and fix in repairs Stop valves/Angle Valves, bore dia of pipe in 15 mm fancy type, chromium plated, screwed down, high pressure, with crutch or butterfly handle, screwed both ends for iron pipe or for unions and fixed complete all as specified and as directed.

Supply and fix PVC connections 15mm size with PTMT nuts of length 450mm complete all as specified and as directed.

Supply and fix 32mm dia waste pipe of polythelene, flexible, for wash hand basin or kitchen sink complete all as specified and as directed.

Supply and fix CP grating 100mm dia round fixed on floor / nahani trap fixed with cement mortar complete all as specified and as directed.

Supply and fix in repair hand shower (health faucet) with 8 mm dia 1 mtr long flexible tube and wall hook chromium plated complete all as specified and as directed.

Supply and fix in repairs vitreous china water closet “Orissa pattern” of size 580 x 440mm pan with 'P' or 'S' trap front or back inlet, foot rests including provn of cement concrete bedding including connections to flushing cistern/pipe and making good disturbed portion to match existing surfaces complete all as specified and as directed.

Supply and fix in repairs Vitreous china wash down water closet pan (pedestal pattern) white including Plastic seat cover white/black, closed pattern with flat bottom, and cover and mild steel chromium plated or aluminised hinging device or screws all as specified and as directed.

Supply and fix in repairs wash basin of size 550x400mm, vitreous china (flat back or angle back type) any size, including cutting for and pinning in ends of brackets or erecting stand but including waste coupling of PTMT (half or full threaded) (Minimum weight 32mm- 45gms) complete all as specified and as directed.

Supply and fix in repairs vitreous china urinal, half stall type white, with CP grating, urinal spreader, union and discharge waste pipe and including fixing brackets, complete all as specified and as directed.

Supply and fix in repairs 10 litre capacity PVC valve less symphonic action type, flushing cistern, low level with inlet ball valve etc, complete including 32mm dia flush pipe complete all as specified and as directed.

Supply and fix in repairs 600 mm x 450 X 4 mm thick looking mirror mounted on 6 mm thick PVC frame and fixed to wooden plugs with CP screws and washers complete all as specified and directed.

Supply and fix rectangular shaped urinal partition with 8mm thick frosted glass of size 450 x 900mm with smooth edges complete all as specified and as directed.

Supply and fix for single towel rail 600mm long, chromium plated, 18/20mm dia and drilling on wall and fixing with screws etc complete all as specified and as directed. MAKE :- Jaquar Code: ACN-CHR-1111SM or techno commercially equivalent makes specified in PS

Supply and fix stainless steel material 202 grade Soap Dispenser, 800 ml capacity with wall mounted plate, mounted tightly complete all as specified and as directed.

Dismantling old unserviceable PVC water tanks and removing to store upto 500 Ltr capacity complete all as specified and as directed.

Dismantling old unserviceable PVC water tanks and removing to store upto 1000 Ltr capacity complete all as specified and as directed.

Supply and fix in repairs mulit layered rotational moulded polythelene water storage tanks, ISI mark embosed on it (cylindrical vertical with closed top) hoisted and fixed in position all as specified in SSR Part I 500 Ltrs capacity complete all as specified and as directed.

Supply and fix in repairs mulit layered rotational moulded polythelene water storage tanks, ISI mark embosed on it (cylindrical vertical with closed top) hoisted and fixed in position all as specified in SSR Part I 1000 Ltrs capacity complete all as specified and as directed.

Supply and fix in repairs ball valves, high pressure of PTMT with epoxy coated Aluminium rod & high density plastic ball screwed for iron pipe and fixed of 20 mm bore. (ISI Mark)

Taking down rain water pipes (any size or pattern) including all fittings bends etc complete all as specified and as directed.

Supply and fix 75mm bore PVC (SWR) pipes, type 'B' single socketed, in any length with rubber ring joints, laid in trenches or in floors complete all as specified and as directed.

Supply and fix 110mm bore PVC (SWR) pipes, type 'B' single socketed, in any length with rubber ring joints, laid in trenches or in floors complete all as specified and as directed.

Supply and fix 75mm bore PVC (SWR) bends, type 'B' any radius complete all as specified and as directed.

Supply and fix 75mm bore PVC (SWR) junction single, (Single T) equal or unequal, type 'B' complete all as specified and as directed.

Supply and fix 75mm bore PVC (SWR) couplers, type 'B' complete all as specified and as directed.

Supply and fix 110mm bore PVC (SWR) bends, type 'B' any radius complete all as specified and as directed.

Supply and fix 110mm bore PVC (SWR) couplers, type 'B' complete all as specified and as directed.

Supply and fix 75mm bore PVC (SWR) floor trap, type 'B' plain with grating including jointing with solvent cement complete all as specified and as directed.

Supply and fix in repairs UPVC (SCH40) pipes single socketed 150 mm bore laid in floor trenches / wall (height upto 20 Mtr including all fittings like bends shoe & necessary scaffolding) complete all as specified and as directed.

Supply and fix 15mm bore urinal push cock CP brass complete all as specified and as directed.

Supply and fix 15mm bore urinal spreader Ocular-Regular CP brass fixing with urinal push cock complete all as specified and as directed.

Material and labour for preparation of old concrete surfaces of any description over 10cm girth or width, not other wise described applying one coat of synthetic enamel paint of approve tint complete all as specified and as directed.

Material and labour for machine cut granite (any type) slab 18mm-20mm thick fixed over and including cement screed base in CM (1:6) of 15mm thick bedded and jointed with grey cement slurry and pointed with white cement with admixture of pigment to match the shade of granite stone including grinding, polishing and dismantling of old one complete all as specified and as directed.

Labour only for rounding to edges of stone slabs one edge, such as in steps, cooking platform and other similar situations.

Srinivas G Civil Contractor (BID ID -3391061)

VAJRA CONSTRUCTIONS (BID ID -3389153)

Sathya Sri Construction (BID ID -3399015)