REPAIR UPKEEPING OF WATER SUPPLY INSTALLATION INCLUDING REPAIRS MAINTENANCE RENEWALS TO FRESH WATER TREATMENT EQUIPMENT AND CLEANING OF UG SUMPS OH TANKS INCLUDING ALLIED E M WORKS UNDER AGE EM NO II OF GE UTILITY II VISAKHAPATNAM

Amount

Material and labour for maintaining of potable /fresh water to achieve chlorination level by keeping concentrated efforts as per standard water quality specifications of maintaining PPM, PH, TDS levels, by checking time to time with standard testing equipments/lab test items if any daily before pumping of water to users from sump/OHTs to building OH tanks through raising mains etc. by adding chlorination granuals, chlorine gas etc. as required for disinfection of water as per standard at site as under :-

(a) ppm at sump level to pumping water to building OH tank - 2ppm, (b) pH value - 6.5 to 8.5, TDS- 300ppm (c) Ensuring water is to be free from E.coli and thermotolerant coliform bacteria and it shall not be detectable in any 100ml of sample water.

Notes :- The item rate is inclusive of following :-

(a) The contrator or his rep is responsible for maintaining quality of drinking water as specified above and to adopt latest standard of water treatment for providing specified potable water. (b) Contractor or his rep has to attend daily at all pump houses once in a day to check all the water parameters and sign in the register being maintained with pump house staff. (c) Register should be maintained daily and daily record of the same should be endorsed from users/MES rep at pump house, concerned Engineer-in-Charge as well as concerned medical team of respective unit daily. (d) Lab test shall be carried out once in a month from locally available Govt approved lab for (i) PPM, (ii) TDS, (iii) pH value and E-Coil or thermotolerent Coliform bacteria. test report be rendered and a record of the same to be submitted to department once in a month or whenever required or directed by the users and department depend upon the situation/quality of water.

(e) The rate quoted is deemed to be inclusive of adding required chemicals like soda ash etc., to maintain pH value and TDS as and when required.

(f) Required quantity of chlorine gas/ chlorine granuals/ bleaching powder required to be used at pump houses regularly and superchlorination to be done and the same shall be measured and paid seperately under relevant items of schedule. The amount/quantity of mixing chemicals, gas etc.,would be vary as per the quality of receiving water from time to time to bring the required ppm once checked before pumping the water from sump to OHT of user building. The necessary mixing up of granuals/ bleaching powder for maintaining standard water and for superchlorination the existing staff/ manpower at pump houses shall be utilized if necessary.

The above specified job shall be carried out at each pump house as under :-

(a) INS Dega P-5 pump house (b) Dega Vihar pump house (c) NAD Colony pump house (d) DSC pump house (e) Viswakarma pump house (f) TRS-II pump house (g) ABE Park pump house - Total - 07 Nos.

M&L for Chemical Dosing system plunger type suitable to inject solution upto 25 LPH comprising dosing pump coupled with three phase electric motor of capacity 0.5 HP, 1440 RPM assembly with agitator in one motor agitator with SS sweep blade duly FRP coated, FRP tabk 150 Ltrs capacity, complete unit mounted on heavy duty MS fabricated frame duly anticorrosive paint complete with chemical grade PVC NRV, Model No :- SSAPS/CDSPT/25 of Satyasai or equivalent make as approved by GE (U-II)

Labour only for attending break down of 200/150 mm dia MS / CI / DI pipe line bursting / cracks and including cleaning / removal of broken pipe pieces of various lengths through gas cutting / manual cutting as per site requirement and including inserting necessary specials such as pipes, CI / DI Collar / mechanical Joints etc as per site requirement, testing for leakages of lead joints, testing and necessary dewatering by using necessary dewatering pumps, JCB's, Cranes complete all as specified and directed by Engr-in-Charge. Note 1 :- The quoted rate is deemed to be include the following:- (i) Arrangement of suitable Pump sets for dewatering at the time of attending break down. (ii) Necessary labour/trade men for attending break down. (iii) Labour element required for fixing CI/DI/MS pipes, specials, fittings etc. Note 2 :- Earth work, Lead joints, Supply only pipes, specials, fittings will be measured and paid seperately under relevant items.

All as per Item No. 03 her in before but 100/80 mm dia

Supply only following sizes of flanged Ductile Iron pipe class K9 ISI marked as per IS 8329-2000 with centrifugally lined.

80 mm dia

100 mm dia

150 mm dia

200 mm dia

Material and labour for run lead joints for spigot and socket pipes (CI/DI) and fittings of following sizes complete all as specified and directed by Engr-in-Charge.

80 mm dia

100 mm dia

150 mm dia

200 mm dia

Supply only DI specials 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 sockets and spigot) collars, caps and plugs upto 300 mm bore.

M& L for re-conditioning of battery 12/24 Volts, 90/180 AH complete including replacement of lead plate terminal and joints and charging battery to improve specific gravity upto 1280 and 2 Volts of each cell including transportation of battery from site to civil work shop and back complete all as specified and directed by Engr-in-Charge.

Supply, install, testing and commissioning of 12 V 180AH maintenance free battery in built battery charger electronic type with auto cut system including terminal clamps, copper lead of suitable size/ length, battery stand including taking down unserviceable one from the DG Set complete all as directed. Make; Model No. AX 1013235 of Cummins Pulse Ultra Plus or equivalent in Exide / Amron

Supply, install, testing and commissioning of 12 V 150AH maintenance free battery in built battery charger electronic type with auto cut system including terminal clamps, copper lead of suitable size/ length, battery stand including taking down unserviceable one from the DG Set complete all as directed. Make; Model No. AX 1013234 of Cummins Pulse Ultra Plus or equivalent in Exide / Amron

Supply, fix, testing and commissioning new 12/24 Volts Battery charger electronic type with auto cut system including removing existing unserviceable one complete all as directed.

M & L for replacement of battery lead set of two suitable for 180 to100 AH capacity 1.5 mtr long including GM terminals one end copper lug and other including 0.5 mtr connecting both end with gun metal terminals including removing existing unserviceable one complete all as directed.

Supply and replace of chain block pully of 1 Ton capacity, ISI marked, for lifting Non-clogging pumps / Pipes and accessories from UG sump complete all asspecified and directed.

M&L earthing complete with galvanised steel earth plate electrode 600 x 600 x 6 mm thick, buried directly in ground (earth pit not less than 2.25 m deep below ground level) with top edge of the plate not less than 1.5 m below normal ground level, connected to galvanised earth lead wire 4 mm dia by means of bolts, nuts, check nuts and washers of galvanised iron or steel all as shown in electrical plate No. 3 connected to earthing test point and including taking down existing earthing complete all as specified or indicated including testing on completion. NOTE: The quoted rate shall deemed to be included for earth work in any type of soil, PCC 1:3:6 type C1 chamber, RCC 1:2:4, type B1 cover 50 mm thick with 8 mm dia TMT bar @ 140 mm C/C, GI watering pipe 20 mm bore medium grade, funnel, wire mesh and earthing lead upto 7.5 m.

Disconnecting the delivery pipe line and electric connections of submersible pump set of capacity 3 to 7.5 HP and lifting and removing it from its position along with pipes and fittings carefully with the help of required T&P and transporting the same to the work shop for repair / servicing and lowering and refixing the same in its original position including connecting up of water and electric connections including testing and commissioning complete all as specified.

Flushing of existing borewells of size 150 mm dia 90 Mtrs depth with drilling compressor including surging and flushing the bore at a pressure of 7 Kg / Sq cm complete with compressed air and flushing the sand, mud etc from the bore well till discharge of the fresh water including testing of water samples for chemical and bacteriological tests and yield testing for 8 hours complete all as specified and directed .

M&L for rewinding the submersible motor of 3 to 7.5 HP capacity, opening, removing the burnt windings, cleaning with cleaning agent rewinding the same with appropriate gauge of super enamelled copper wire of same gauge and same No of turns of existing make insulating winding with existing class of insulation varnishing baking, testing the pump to satisfactory performance complete all as directed by Engineer-in-charge

Opening the submersible pump set of 3 to 7.5 HP for inspection, repairs and re-assembling the pump and motor as per the original assembly after repairs / replacing the worn out unserviceable parts with new parts as ordered, including cleaning replacing the minor items like packing bolts, nuts washers and MS clamps etc and applying one coat of approved hammertene spray paint on exposed steel surface, making the pump and motor fully serviceable including lathework etc., and testing the same for satisfactory operation on its full load all as specified and directed by Engineer - in - Charge. Note: The quoted rate deemed to inclusive of replacement of Unserviceable necessary spare parts like thrust bearing set, Impellers, casing ring, Shaft sleeve, stage casing, neck ring stage mcasing, sand guard, middle sleeve and diffuser etc. l

Supply and replace submersible pump starter suitable for AC 415 Volts, 50 Hz, 3 Phase submersible pump set of 3 to 7.5 HP capacity having single phase protection, over / under current protection, digital display, Auto ON / OFF timer control, including mounting on existing arrangements and removing the old unserviceable starter from the panel complete all as directed. Make: Naren Elextrix Model DOLDS with daily timer and PFR or equilent in Crompton / L&T / Havells.

Repair/ servicing of monoblock pump set of 3.0 HP to 7.5 HP complete including strip opening and re-assembling the pump and motor as per the original assembly after repairs/replacing the worn out unserviceable parts, remetalling the wornout shaft including lathe work, replacing the wornout bearings, gland packing bolts, nuts washers, water seal etc., including varnishing the motor windings and applying one coat of approved synthetic enamel paint on exposed steel surface, making the pump and motor fully serviceable and testing the same for satisfactory operation on its full load complete all as specified and directed by Engineer - in - Charge.

All as per Sl. Item No.21 above but of size 10.0 HP to 25 HP

M & L for dismantling of motor of following capacity pumpset from installed position after disconnecting the coupling and electric connections, transporting the motor to the work shop, strip opening of the motor complete including dismanlting stator, rotor assembly and cleaning the assemblies by taking out perished glass sleeve of connecting leads from common termination to terminal block, and washing with carbon tetra chloride, decarbonising and cleaning the rotor with CTC solution, replacing the glass sleeve of connecting leads from common termination to terminal block, binding the loose coils with binding cloth, varnishing the coils complete and applyng bectol on the excitor coils, stator coils and heating, reassembling the unit and testing with megger for insualtion value and re-assembling, aligning with pump, re-inserting shims where necessary, refixing with coupling, tightening with torque wrench to required level, re-connecting all connections testing, commissioning complete all as directed.

90 HP to 125 HP

30 HP to 50 HP

10 HP to 25 HP

5 HP to 7.5 HP

M & L for dismantling the pump of following capacity, checking the worn out parts like impeller, shaft, stuffing box, shaft sleeve using micrometer and transporting to workshop for repairs, checking the condition of bearings, removing scales from impeller and pump housing and fixing into the housing, re-assembling, transport back to the installation, installing in position, check for alignment with dial gauge, inserting shims where necessary, refixing with coupling, tightening with torque wrench to required level, re-connecting the flanged pipe connections of suction/ delivery including replacement of rubber insertion etc., complete, all as directed by Engineer-in-Charge. NOTE :- Spares such as shaft, ball bearing, metal coupling and gland packing etc., shall be deemed to be included in the above quoted rate.

90 HP to 125 HP

30 HP to 50 HP

10 HP to 25 HP

5 HP to 7.5 HP

M&L for dismantling the defective induction motor of following capacity of any make/class of insulation from foundation bed, duly coupled with pump/ compressor, trasnporting to workshop removing burnt out winding from stator/rotor, rewinding with suitable gauge of super enamelled copper wire of approved make and replacing DE / NDE bearings, insulation materials, varnishing, heating etc., complete, re-assembling, testing and commissioning complete all as directed. Note : DE / NDE bearings, Terminal block and Bearings of motor etc., shall be deemed to be included in the above quoted rate.

90 HP to 125 HP

30 HP to 50 HP

10 HP to 25 HP

5 HP to 7.5 HP

Supply and replace rubber bush coupling suitable for pumpset of following capacity complete, all as directed

90 HP to 125 HP

30 HP to 50 HP

10 HP to 25 HP

Supply and replace pump shaft made out of carbon steel complete with key ways, keys and check nuts to lock the impeller pump assembly of following capacity.

90 HP to 125 HP

30 HP to 50 HP

10 HP to 25 HP

5 HP to 7.5 HP

Supply, fixing, testing soft starter, 415 Volts suitable for motor of capacity 40 HP including taking down existing unserviceable complete all as specified and as directed. Make:- L&T of. CSXI series or Equivalent make in ABB/ Legrand/Scheneider complete all as specified and directed by Engr-in-Charge.

Supply, fixing, testing soft starter, 415 Volts suitable for motor of capacity 30 HP including taking down existing unserviceable complete all as specified and as directed. Make:- L&T of. CSXI series or Equivalent make in ABB/ Legrand/Scheneider complete all as specified and directed by Engr-in-Charge.

Supply and laying copper cable, PVC insulated, sheathed, armoured, flat / round cable 1100 volts grade of following sizes (heavy duty) complete including taking down unserviceable one complete all as specified and directed.

3 core 6 Sq.mm

3 core 10 Sq.mm

3 core 16 Sq.mm

3 core 25 Sq.mm

3 core 70 Sq.mm

Repair/ servicing of dial type water level indicator by replacing wornout central movement plate, counter weight, centre diving wheels etc., and applying one coats of synthetic enamel paint complete all as specified and as directed.

M & L for arresting water leakage from sluice valve of following sizes, by refacing, regrinding of sluice Valve, repacking stuffing box of sluice valve spindle including taking apart and reassembling the same including replaceing old check nuts with new one made out of MS / CI material, with and including replacing perished gland packing, rubber gasket, bolts and nuts complete all as directed by Engineer-in-charge.

80 mm bore

100 mm bore

150 mm bore

200 mm bore

Supply and replace of following size CI sluice valves (Raising type) PN 1.6 conforming to IS 14846 flanged end with iron wheel head and stainless steel spindle flanged joints including necessary nuts, bolts, and washers etc., complete all as specified and directed.

200 mm bore

150 mm bore

100 mm bore

80 mm bore

Supply and replacement of following size MS ERW pipe heavy grade pipe laid on suitable size PCC Pillar supports, clamps, bolts and nuts or laid in trenches including necessary Tees, elbows, flanges, including cutting etc and preparation of pipe surface and applying two coats of synthetic enamel paint over a coat of zinc chrome primer in open places and with bitumen coating/felt cover for inserting the pipe in position and including making leak proof joints complete all as specified and directed. Note :- Earthwork required for rectiifcation if any shall be measured and paid separately under relevant items BOQ.

100 mm bore

150 mm bore

200 mm bore

Supply and replacement of MCCB 63 to 125 Amps, 4 pole, 415 Volts, breaking capacity 16 KA complete all as directed by Engr-in-charge.

Supply and replacement of MCCB 160 Amps, 3 pole, 415 Volts, breaking capacity 36 KA complete all as directed by Engr-in-charge.

Supply and replacement of MCCB 200 Amps, 4 pole, 415 Volts, breaking capacity 36 KA complete all as directed by Engr-in-charge.

Supply and replacement of MCCB 250 Amps, 4 pole, 415 Volts, breaking capacity 36 KA complete all as directed by Engr-in-charge.

Supply and replacement of MCCB 320 - 350 Amps, 4 pole, 415 Volts, breaking capacity 36 KA complete all as directed by Engr-in-charge.

Supply and replacement of MCCB 400 Amps, 4 pole, 415 Volts, breaking capacity 36 KA complete all as directed by Engr-in-charge.

Supply and replacement of MCCB 630 Amps, 4 pole, 415 Volts, breaking capacity 50 KA complete all as directed by Engr-in-charge.

Supply and replacement of MPCB 63 Amps, 4 pole, 415 Volts, breaking capacity 36 KA Make: Model No. MOG-H2 (rotary type) CAT No. ST41922OOOO of L&T or its equivalent in ABB, BCH, Siemens , C&S Electric Ltd, Schneider as approved by GE. complete all as directed by Engr-in-charge.

Supply and replace power contactor 3 pole, 415 Volts, 50 Hz, AC, MNX - 265 Amps all as specified and directed by Engr-in-Charge.

Supply and replace power contactor 3 pole, 415 Volts, 50 Hz, AC, MNX - 400 Amps all as specified and directed by Engr-in-Charge.

Supply and replace power contactor 3 pole, 415 Volts, 50 Hz, AC, MNX - 140 Amps all as specified and directed by Engr-in-Charge.

Supply and replace power contactor 3 pole, 415 Volts, 50 Hz, AC, MNX - 110 Amps all as specified and directed by Engr-in-Charge.

Supply and replace power contactor 3 pole, 415 Volts, 50 Hz, AC, MNX - 18 Amps all as specified and directed by Engr-in-Charge.

S & F in repairs LCD Multifunctional meter Complete all as specified and directed Make: CAT No. WC441010OOOO of L&T or its equivalent in Legrand/ ABB/ Siemens/ GE/ C&S Electric Ltd/ Schneider as approved by GE.

S & F in repairs LED Multifunctional meter Complete all as specified and directed Make: CAT No. WL411010OOOO of L&T or its equivalent in Legrand/ ABB/ Siemens/ GE/ C&S Electric Ltd/ Schneider as approved by GE.

S & F in repairs Indication Lamp (LED type) Set of 3 Complete all as specified and directed by Engr in-Charge. Make L&T or its equivalent in Legrand/ ABB/ Siemens/ GE/ C&S Electric Ltd/ Schneider as approved by GE.

Supply & laying in trenches or fixing on wall or passing through pipe or in cable ducts XLPE insulated PVC FRLS, screened , PVC bedded and PVC tape sheathed galvanised steel strip or wire armoured electric power cable (heavy duty) 1100 volts grade with stranded aluminium conductor of following sizes including taking out old un-serviceable cable complete all as specified and directed.

50 Sqmm 3.5 core

95 sqmm 3.5 core.

120 sqmm 3.5 core

240 sqmm 3.5 core

M & L for Jungle cleaning by using JCB / BOBCAT for removing all grass vegetation, wild growth, sapling, shrubs, brushwoods, under growth roots, cutting of bushes, tree trunk of girth not execeeding 30 cm, cutting of trunk, portion protuding over ground, filling holes and leveling of ground and removing unserviceable materials to a distance n.exe 50m, compelte all as speicified

M&L for PCC 1:3:6, type C1 (using 20 mm graded granite stone aggregate) as in bases/ pedestals for pipe lines, mud stops or chamfered on edges etc., including dismantling existing complete all as specified and as directed.

M&L for Brick work with modular fly ash bricks, straight or curved on plan exc 6M mean radius, built in CM (1:4) including demolition of brick work complete all as specified and as directed.

M&L for rendering 15 mm thick on fair faces of brick work or concrete surfaces in cement mortar 1:4 mixed with water proofing compound and finished even and smooth without using extra cement complete all as specified and as directed.

M&L preparing of new or untreated plastered surfaces and applying of three coats of white wash on walls complete all as specified and as directed.

Excavation in trenches not exceeding 1.5 m wide and not exc. 1.5 m depth and getting out soft / loose soil for laying of cables, pipes etc, complete all as specified and directed by Engr-in- Charge.

Returning filling in, including spreading levelling watering and well ramming in layers n.exc. 25 cm thick.

Removing excavated soil to a distance n.exc. 50 m distance and depositing where directed at a level n.exc 1.5 m above the starting point.

Supply and spreading clean dry sand for cable cushioning in trenches complete all as specified and as directed. Note: Punned thickness shall only be measured and paid.

Supply and laying Sub Class 'B' bricks of old size (23x11x7cm) laid along aligment of cable as protection to cable in trenches complete all as specified and directed by Engineer-in-charge

M&L for cleaning of underground/Semi underground fresh water sump of following capacity by pumping out the accumulated water up to the bottom surface and removing the complete silt sediment sludge from the sumps and depositiing and levelling as directed and cleaning with the bleaching powder after scrapping the walls and bottom of the sump completely using wire brush without disturbing the water supply to the area including applying one coat of white wash to entire sump externally as well as internally and writing details like Cleaning date / due date/ sump capacity with synthetic enamel paint complete all as directed.

20000 Gallons capacity

30000 Gallons capacity

50000 Gallons capacity

60000 Gallons capacity

75000 Gallons capacity

M&L for cleaning of Over Head Tank of following capacity at 18m staging by cleaning out the accumulated water in the bottom and removing the complete silt from the tank and depositing and levelling as directed and cleaning with the bleaching powder, after scrapping the walls and bottom of the tank by using wire brush completely without disturbing the water supply to the area , and applying one coat of white wash inside OH tank and writing details like Cleaning/ due date/ tank capacity with synthetic enamel paint on bottom wall complete all as directed .

20000 Gallons capacity

60000 Gallons capacity

100000 Gallons capacity

Supply only stable bleaching powder Gde II confirming to IS:1065 of 1999 second revision available chlorine percentage minimum 32% ± 1% in 25/50 Kgs bags as ordered by Engr-in-Charge. Make:- DCM/Micro

Supply only calcium based, high strength chlorination chemical for disinfectant, in granual form for water treatment in factory sealed non returnable HDPE containers (40 to 50 Kg each) having chlorine concentration level of 70% complete all as specified and as directed. Make: Rayalaseema / or its equivalent make as approved by E-in-C's branch and approved by GE.

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