REPAIR/MAINTENANCE OF UNSERVICEABLE DISTRIBUTION WATER SUPPLY LINES, SLUICE VALVE, GATE VALVES, RUSTED PIPE LINE AND CHAMBERS IN SOUTHERN SECTOR AND ABHERA AND STP AT MIL STN KOTA

Amount

Excavation in trenches not exc 1.5 m wide and not exc 1.5 m deep for foundation etc or for shafts, column footings or for laying cables/pipes etc not exc 10 Sqm on plan and getting out in soft/loose soil, complete all as specified and directed.

Returning filling in soil including spreading, leveling, watering and well ramming in layers not exc 25 cm thick, complete all as specified and directed.

Removal of excavated surplus soil to distance not exc 50 Mtr and deposting where directed at a level not exc 1.5 Mtr above the starting point complete all as specified and directed.

Taking up cast/ductile iron water main (including all fittings), with spigot and socketed ends jointed with run lead joints 150 mm bore, including burning out lead of joints and collecting run lead for re-use, cleaning serviceable pipe internally/externally for re-use, stacking properly in safe custody in storeyard of AGE E/M and removing unserviceable pipe from site complete all as specified and directed. (Note :- Excavation and earth work shall be measured and paid separately)

Taking up or down steel/CI water tubing and connections including cleaning serviceable pipe internally/externally for re-use, complete all as specified and directed for following bore of pipes: - 15 mm bore

20mm bore

25mm bore

50mm bore

80mm bore

100mm bore

Supply & laying/fixing steel water tubing, galvanised, medium grade with and including all fitting, laid in trenches, complete all as specified and directed of following bore of pipes: - 20mm bore

25mm bore

50mm bore

80mm bore

100mm bore (Note for item 6.10 to 6.50: - Excavation and earth work shall be measured and paid separately)

Supply & laying/fixing steel water tubing, galvanised, medium grade with and including all fitting, fixed to walls, ceilings or laid in floors, complete all as specified and directed of following bore of pipes: - 15 mm bore

20mm bore

25 mm bore

Supply & laying/fixing, connecting, jointing and testing ductile iron pressure pipe for water mains,centrifugally cast with spigot and socket ends (for push on joints) class K-7, in any length in trenches, under floor, under road and including making and fixing suitable size clamps at place of CI/DI line joint, complete all as specified and directed for following bore pipes:- 100 mm bore

150 mm bore Note for item 8.10 & 8.20: (i) Rubber tyton or run lead joints of pipes shall be measured and paid separately under respective items here-in-after. (ii) Cast iron fittings/specials shall be measured and paid separately under respective items here-in-after.

M & L for joint with rubber or fibre board gasket for galvanized steel flanged pipes and fittings & including providing nuts, bolts, washers etc and white lead or mineral oil after taking down existing joint, complete all as specified and directed for the following bore of pipes: - 150 mm bore

100 mm bore

80 mm bore

M&L for run lead joint for CI/DI spigot and socketed pipes and fittings including allied jointing material i.e. spun yarn etc, & including taking down old u/s pig lead complete all as specified and directed for following bore pipes:- 200 mm bore

150 mm bore

100 mm bore

80 mm bore

Supply and fixing in renewal of Gun-metal, globe or gate valves, ISI marked with iron wheel head, screwed both ends for iron pipe and fixed of followig bore :- 15 mm bore dia of pipe

20mm bore dia of pipe

25mm bore dia of pipe

40mm bore dia of pipe

50mm bore dia of pipe

Supply and installed, connecting and testing of butterfly valve, class PN 2.0 double flanged, long type, lever operated, ISI marked (IS-13095:1991, reaffirmed 2003) & including jointing materials such as rubber gasket, carbon steel nuts, bolts and washers etc, fixed to water mains & including taking down old unserviceable existing butterfly valve complete all as specified and directed of the following sizes :- 50mm bore

80 mm bore

100 mm bore

150 mm bore

Material and labour for valve chamber of size 1250 x 1150 x 1000 mm (internal dimensions) with PCC (1:2:4) type B-1 using 20 graded aggregate as in foundation 100 mm thick brick masonry one brick thick wall in CM (1:4) coping with PCC (1:2:4) type B-1 50 mm thick, plastering internal and external walls upto 150 mm below GL in CM (1:4) , 3mm thick MS plate welded with 40x5mm thick FI frame all round including provision of hinges, handles, locking arrangement, ISA 50 mm x 50 mm x 6 mm thick angle iron frame for chamber cover fixed with the chamber using 4 Nos hold fasts made of 50 x 6 mm thick MS flat iron of suitable length, mild steel chamber cover 4 mm thick, brazed with 50 x 6 mm MS flats, fixed with handle made of 10 mm dia MS bar suitably welded of 200 mm length and locking arrangement, including two coats cement based painting on plastered surfaces and two coats of synthetic enamel paint over a coat of red oxide zinc chrome primer on steel surfaces complete for chamber and including dismantling of old u/s existing chamber complete all as specified and directed.

M&L for rubber gasket joints (push on joints) for spigot socket end ductile iron water mains/ductile iron specials, complete all as specified and directed for the following bore: - 100 mm bore

150 mm bore

S & F for ductile iron fittings for upto 150 mm bore spigot socketed pipes such as bends (any type, radius and angle) tapers any type, (straight, bend, increasing, decreasing or double socket etc.), Tee pieces, single branch, "Y" junction, double branch, cross (all sockets or socket and spigot) collars, caps and plugs etc and including taking out old u/s existing fittings complete all as specified and directed.

Supply and installing, connecting and testing of cast iron non return valve, double flanged/built weld end bolted cover, swing check type, ISI marked, designed as per BS-1868, pressure rating PN 10, including jointing materials such as rubber gasket, carbon steel nuts, bolts and washers etc & including taking down old unserviceable existing non return valve complete all as specified and directed of the following sizes :- 80mm bore

100 mm bore

150 mm bore

200 mm bore

Supply and installed, connecting and testing of sluice valve, class PN 1.6 double flanged CI body, wheel and brass spindle and nuts, non rising type, IS-14846 ISI marked including jointing materials such as rubber gasket, carbon steel nuts, bolts and washers etc & including taking down old unserviceable existing sluice valve complete all as specified and directed of the following sizes :- 150mm bore

100 mm bore

80 mm bore

Supply & fixing in renewal of heavy duty ball type MS foot valve, ISI marked, flanged end swing type operation with rubber seat as per IS 4038, including jointing material such as rubber/fibre board gasket, nuts, bolts and twin washers, complete all as specified and directed for the following size: -

50 mm bore

80 mm bore

100 mm bore

M&L for finding pipe leakages of any length, type and bore, rectification of valve and joint leakages of any kind such as run lead joint/spigot and socket joint/flange joint/D joint etc including welding and provision of jointing materials/joint such as lead/flanges/clamps /jute/rubber gasket /nuts/bolts / washers/ grease/socket/D joint etc and testing of water line in presence of JE/Engr in Charge, complete all as specified and directed. Notes: (i) The cost of labour for excavation in any kind of strata, cutting of RCC/PCC surfaces/road and making good, returning filling, fixing of joint, T&P etc and making good to the existing as required at site shall be deemed to be included in the quoated unit rates. (ii) Testing shall be carried out in the presence of Engineer-in-Charge to the satisfaction of the Deptt. (iii) Rubber tyton or run lead joint of pipes and fittings for repair shall be measured and paid separately under appropriate items. However cost of nut, bolts, clamps, flange, rubber packing, welding, D joint of any size shall be included in the quoated rate. (iv) Repair to trhe leakge shall be rectified within 24 hours after informing, in case of failing which a penalty of Rs 500.00 per hour per complaint shall be imposed on the contractor for delay in rectification of leakage.

M & L for cleaning of surrounding area of each pump house upto one meter outside fencing by surface dressing upto 10 cm average depth & including removing shrubs, grass, implants, small bushes, branches of tree and other unwanted materials/stones etc and spray of herbicide chemical on grass at all around area of pump house and including leveling & removal, complete all as specified and directed. Note :- The cost of hebricide chemical for grass & petrol and machinery for cutting of grass included in quoted rate.

M & L for spray painting of water header of existing size and distribution pipes of upto 150 mm bore and upto 10.0 m length in blue colour with two coats of synthetic enamel paint over a coat of red oxide zinc chromate primer after preparation of surfaces and including arrow marking & writing names of distribution lines on water header in white colour, complete all as specified and directed.

M & L for repair of water header leakages & including disconnecting existing pipe line connection from header, lifting to required height for repair, replacement of iron plate not less than 6 mm thickness and welding, complete all as specified and directed.

Supply & fixing in renewal of GI union for GI pipes, both ends screwed to iron pipe or one flanged end bedded in red lead cement and other end screwed to iron pipe etc, complete all as specified and directed of following bore of pipes: - 15mm bore

20mm bore

25mm bore

Supply & fixing in renewal of GI sockets for GI pipes complete all as specified and directed of following bore of pipes: - 15mm bore

20mm bore

25mm bore

Supply & fixing in renewal of GI nipple 6" long for GI pipes, complete all as specified and directed of following bore of pipes: - 15mm bore

20mm bore

25mm bore

Supply & fixing in renewal of GI nipple 4" long for GI pipes, complete all as specified and directed of following bore of pipes: - 15mm bore

20mm bore

25mm bore

Supply & fixing in renewal of GI nipple 3" long for GI pipes, complete all as specified and directed of following bore of pipes: - 15mm bore

20mm bore

25mm bore

Supply & fixing in renewal of GI tee for GI pipes, complete all as specified and directed of following bore of pipes: - 15mm bore

20mm bore

25mm bore

Supply & fixing in renewal of GI elbow for GI pipes, complete all as specified and directed of following bore of pipes: - 15mm bore

20mm bore

25mm bore

Supply & fixing in renewal of GI cap plug threaded for GI pipes, complete all as specified and directed of following bore of pipes: - 15mm bore

20mm bore

25mm bore

Supply & fixing in renewal of GI reducer of size 25" x 15" complete all as specified and directed.

Supply & fixing in renewal of GI reducer of size 25" x 20" complete all as specified and directed.

Supply & fixing in renewal of graphite gland packing for sluice valve upto size 250mm bore and centrifugal pump complete all as specified and directed.

M & L for carrying out all chemical parameters and bacteriological tests of treated water from NABL approved lab & maintain the record of as per frequency complete all as directed. Note :- In case of failure noticed more than 1 Month recovery shall be effected @ Rs. 500/- per Hrs beyond One Month.

Dismantling old water level indicator of any type and Supplying, installation and testing of ultrasonic type digital water level indicator device, operating on single phase supply, direct display in 150 mm size digit display system which must show water in meter/centimeter or gallon of water level of Sumps/OH tanks ensuring alarm while water fall or rise at predetermined limit 1 minute auto off alarm and having following specifications :- (i) Ultrasonic sensor sensing range 6000mm, V15 connection analog current and voltage output. (ii) Connector cable V15 type, 5 mtr female cordset, M12, 5 pin PVC cable. (iii) Indicator controller, APS: 85-265 VAC/125-300 VDC, display : 0.56'. (iv) 230 VAC to 24 VDC, 2.2A, panel mounted. (v) The entire unit shall operate through and including a compact electronic circuit which must ensure reliable operation at 230 volts + 5% with reliable in digit display and alarm at high/low level of sumps/OH tanks. (vi) The circuit shall be housed in MS CRC sheet box with nylon moulded connection strips. The level system shall be resistance trasducer which unaffected by corrosion and other contacts/substances available in water. (vii) The system shall be controlled through a micro switch and should not be a sensor based system. The whole unit shall be electronically controlled and the upper level and lower level indicator must be highly sensitive to micro switch. The complete unit must be in two parts. Each complete part must be fitted in MS CRC sheet box separately duly powder coated. One must be installed at sumps/over head tank and second at pump house. (viii) The required flexible copper control cable of 0.5/1.50 Sqmm, 3 core size from Sumps/Overhead tanks to pump house to be provided for connection to both units duly protected in GI pipe of medium grade 25mm bore. (Approx -30 meter length) Note :- GI conduit for protection of copper cable approx 30 mtrs shall deemed to be included in the quoted rate.

REPAIR/MAINT OF STP

M&L for Cleaning and removing all scale and dirt, etc, from tanks and from mouths of circulating pipes, etc. all tanks and compressed air pipe network by mechanical or manual means shall be carried out with water and chemical as applicable and dates of cleaning shall be marked on tank including disposal of deposited sludge in drying beds etc. complete all as specified and directed of following tanks:-. 1. Equalisation Tank-01 No, 2. Fine Screen Chamber, MBBR Tanks- 2 Nos 3. Tube Settler tank includes cleaning of tube settler media - 01 No 4. Chlorine Contact Tank- 01 No 5. Filter Feed tank- 01 No, 6. Sludge Holding Tank-01 No etc

Attending complaints of STP by qualified mechanic to confirm the satisfactory running of centrifugal pump motors, blowers, sewage pumps, centrifuge pump etc. complete all as specified and directed. Notes:- (i) The cost of minor spares such as nut, bolts, washer, grease, servicing of pumps, supply & fixing of glands of suitable size, checking and repairing of electrical connections etc are deemed to included in rate quoted by contractor. (ii) The complaints intimate to contractor and the contractor shall be rectified complaints within 24 hours, in case of failure noticed more than 24 hrs recovery shall be effected @ Rs.500/- per hour beyond 24 hrs.

M & L for spray painting of compressed air delivery pipe line nework of existing size, multimedia and carbon filter plants (04 Nos) including connecting pipe line of existing size with two coats of synthetic enamel paint over and including a coat of primer after complete removal of existing treatment from the pipe line & including writing name/capacity, making arrows etc with white synthetic enamel paint complete all as specified and directed.

Material and labour for cleaning of surrounding area of sewage treatment plant complete upto fencing level and one meter outside of the fencing by surface excavation upto 10 CM average depth including removing shrubs, grass, implant, small bushes, branches of tree and other unwanted materials / stones etc and levelling complete for every months of contract etc. including spray of herbicide chemical on grass at all round area of STP, complete all as specified and directed. Note :- (a) The cost of herbicide chemical for grass, petrol to run grass cutting machine and other T&P for cutting of grass/branches of tree deemed to be included in the quoted rate. (b) In case of failure noticed more than 07 days, recovery shall be effected @ Rs. 500/- per day beyond 07 Days.

S & F in renewal of protection circuit breaker for motor MCCB, 03 pole, 250 Amps, confirming to IS/ IEC 60947-2 & IEC 60947-2 thermal magnetic release with and adjustable over load setting 08-1.0 x in and adjustable short circuit setting 6-10 x in and rupturing capacity 36 KA at 415 V, AC, 50 Hz, Ics=100%Icu, Conforms to IS/IEC 60947-2 & including spreader terminals suitable for motors etc. complete all as specified and directed.

Supply and fix in renewal of new generation energy saving & environmental friendly long life versatile pressure die- cast aluminium IP 66 roadway luminaire with high power LED as light source and electronic driver of capacity 120 Watt including GI bracket and clamps for fixing lights complete all as specified and directed.

Supply and fix in renewal of PVC insulated, PVC sheathed 3 core 1100 volts grade, 2.5 sqmm copper stranded conductor as per IS 694 for providing street light connection etc. complete all as specified and directed.

M & L carrying out the Tests of treated water from NABL approved lab and maintain the record of as per frequency :- (i) PH Valve (ii) TSS (iii) BOD (iv) COD (v) Oil & Grease Note :- In case of failure noticed more than 1 Month, recovery shall be effected @ Rs. 500/- per Hour beyond One Month.

Repair and maintenance of sludge cake making machine including replacement of bearings and belt of existing size, greasing to the shaft including making necessary alignment with motor rotor etc. complete all as specified and directed. Notes:- (i) The cost of minor spares such as nut, bolts, washer, grease, servicing of pumps, supply & fixing of glands of suitable size, checking and repairing of electrical connections etc are deemed to included in rate quoted by contractor.

Supply only chlorine dioxide chemical (SCS-10K, CLO2)) required to achieve desired parameters of treated water and required spares for operation of the plant, at least one month requirement of the materials shall be kept at site at a time etc complete all as specified and directed.

Material and labour in renewal for coarse bar screen of equalization tank of bar size 1m x 0.75m and 5 mm thick MS flat minimum and clear spacing 6 mm of existing size etc. complete all as specified and directed.

Material and labour in renewal for fine bar screen in MS material of size 0.6 x 0.6m for MBBR 1 and MBBR-2 tanks etc. complete all as specified and directed.

Dismantling/taking down A/C vertical hollow shaft induction type, 415 Volts, 3 Phase, 50 Hz, 10 to 15 HP Motor coupled with non clog vertical sewage pump set, taking out the burnt starter assembly, dismantling the components, accessories cutting the burnt winding, including re-winding the same with super enameled copper winding wire as per existing size/gauge varnishing and drying the same upto specific temperature of heat, tapping, providing necessary insulator, connecting including replacement of NDE/DE side bearings motor terminal plate assembling, commissioning and testing upto good working performance complete all directed. Note :- Parts/item replaced under this item shall be measured & paid for separately as supply only under appropriate items of BOQ.

Supply only following items for renewal under item No 48.00 (here-in-before) :-

Mechanical Seal

Bearing DE

Bearing NDE

Oil Ring

Lock nut stainless steel

Stud with washer stainless steel

Terminal plate

Cable guard seal

S & F in renewal of HDPE pipe of 100 mm dia, PE-63, having minimum withstand pressure 6 Kg/Sqcm and conforming to IS-4984:1995 for submersible pump complete all as specified and directed

M&L re-winding of electric motor (sewage submersible type of cap 20/25 HP) with suitable size of super enamelled PVC coated copper wire duly varnished, baking providing with insulation paper and V-belts etc including taking out burnt winding wire etc. complete all as specified and directed.

M&L re-winding of electric motor (centrifugal electric motor of 5 HP) with suitable size of super enamelled PVC coated copper wire duly varnished, baking providing with insulation paper and V-belts etc including taking out burnt winding wire etc. complete all as specified and directed

S & F in renewal of dosing pump of cap 0-55 IPH/0-6 IPH, IP65, industrial application, motor power of 0.5 to 02 HP & including connected items with new ones such as dosing pipe, nut, bolts, washer etc complete all as specified by Engineer in charge.

Dismantling carefully and taking out air blower URP-1150 (make : Usha) with 100 HP motor 3 phase, repairing through OEM with replacement of following items including refilling of oil and lubrication of machine, cleaning of filters etc. complete all as specified and directed. Notes:- (i) The cost of minor spares such as nut, bolts, washer, grease, servicing of pumps, supply & fixing of glands of suitable size, checking and repairing of electrical connections etc are deemed to included in rate quoted by contractor.

Supply only following items for renewal under item No 53.00 (here-in-before) :-

Bearings (NJ414 C5).

Machine oil 320 grade.

Gland dori (set of 8).

Gear wheel – I.

Gear wheel –II.

Oil seal.

Gasket packing.

Dowel Pin with Nut.

Pressure Guage.

Oil level glass.

Suction Air filter.

Driving belt of existing size.

Supply and fix in renewal of contactor or assembly suitable for automatic star delta starter for three phase motor, 415 volts of capacity 7.5 to 10 HP etc. complete all as specified and directed.

Supply and fix in renewal of contactor or assembly suitable for automatic star delta starter for three phase motor, 415 volts of capacity 15 to 25 HP etc. complete all as specified and directed.

M & L for taking out the old filtration media carefully by layers and taking aside bifurcation the usable materials from the unserviceable including cleaning, washing the inner surface and replacing the unserviceable materials with new materials assembling testing all as directed and required at site. Treated water to be tested from reputed lab and result obtained to be within prescribed limit, if not contractor will redo the work so as to bring result with in the limit without any extra cost complete all as specified and directed. Notes:- (i) The quoted rates included necessary T & P as required at site. (ii) New material (Filteration media) will be measured and paid separately. (iii) All unusale material to be removed completely from the site. (iv) Rate includes 2 Nos of pressurised filter media tanks and 02 Nos of activated carbon filter tank installed at STP.

Supply only the following filter media for renewal under item No 58.00 (here-in-before) :-

Activated carbon bed (Anthracite coal).

Natural silica sand of size 0.50mm.

Natural fine silex size 4 to 6mm

Natural coarse silex size 6 to 8mm

Natural gravels of size 15mm.

Natural stone grit/pebbles of size 25mm

Natural stone grit/pebbles of size 32 to 50mm

Supplying, laying, jointing, testing and commisioning XLPE insulated, screened, PVC bedded, galvanised steel strip or wire armoured, electric power cable (heavy duty) with multistranded aluminum conductors of size 6 Sqmm 2 core, 1100 Volt grade (ISI marked), laid in ducts / encased in GI pipe / fixed to pole/wall with necessary angle iron support, clamp, nut , bolts etc and including taking down of old unserviceable existing cables complete all as specified and directed.

Pioneer Enterprises (BID ID -3110222)

VP DEVELOPERS AND CONTRACTOR (BID ID -3110971)

M/S MOHINI ENTERPRISES (BID ID -3109978)

ANNAPURNA ENTERPRISES (BID ID -3109650)