MAINTENANCE AND OPERATION OF PUMPING INSTALLATIONS AT 104 AREA AND REPAIR RENEWALS OF CLEANING OF OHT UG SUMPS AND ATTENDING EMERGENCY BREAKDOWNS AT WATER SUPPLY DISTRIBUTION LINES AT MEGHADRIPETA NEW PH UNDER AGE E M NO 1 OF GE U II VISAKHAPATNAM

Amount

Manning and operation of Controlling valves at 104 Area GVMC Tadipudi valves, Raiwada valves with one Valve man per shift of 08 hours (round the clock in 3 shifts per day of 08 hours each including holidays and Sundays) including arresting leakages by replacing gland packings, cleaning and maintaining of all valve pits (chambers), ensure proper locking of valve chambers, operating the valves as per scheduled timings complete all as directed by the Engineer-in-Charge. Man Power : One Semi-skilled operator (Valve man) per shift of 08 Hours.

Manpower :- One Semi-skilled operator (Valve man) per shift Shift Timings: Ist shift - 0600 Hrs to 1400 Hrs IInd shift - 1400 Hrs to 2200 Hrs IIIrd shift - 2200 Hrs to 0600 Hrs

Manning and operation of central air conditioning plants of capacity 3 X 24 TR water cooled AC Plants complete including cooling tower, AHUs, electrical control panels, pumps and connected equipments etc., complete of the chilled water type AC system, round the clock in 3 shifts of 08 hrs each including sundays and holidays complete all as specified and as directed.

Manpower:- Skilled Operator of trained and experienced in AC Plant Operating system - 01 No per shift Shift Timings: Ist shift - 0600 Hrs to 1400 Hrs IInd shift - 1400 Hrs to 2200 Hrs IIIrd shift - 2200 Hrs to 0600 Hrs Note:- (i) The operator ensure the smooth operation and maintenance of the AC plants. (ii) Maintaining the hourly parameters Log book for the AC plant. (iii) Operation of DG sets and maintaining the Log book for DG sets. (iv) Operator must have skill to rectify minor repairs like gasket change, checking leakage of refrigerant replacement of fuse cutouts etc., complete In case of any faults to put the plant on working condition. (v) The operator should intimate any defect/ repairs immediately to the concern JE/ Engineer-in-Charge.

(vi) The operator should be in a position to intimate major defects/ repairs immediately to the concern JE / Engineer-in-Charge. Note for SI item No. 1 & 2:- (i) Before commencement of work the contractor shall submit the list of manpower to be employed as per requiste qualifications specified in particular specification for approval of GE duly recomended by Engineer-in- charge. (ii) One emergency light and necessary tools should be available in a tool box with operator for smooth functioning.

Supply only chlorine gas in 100 Kgs cylinders to gravity feed gaseous chloronome plant all as directed. Note :- Testing the cylinder and repairs to outlet valve of cylinders will be the responsibility of the contractors and cost for applying mineral jelly to parts etc, deemed to be included in the cost quoted by the contractor.

Excavation in trenches n.exc. 1.5 m wide and n. exc. 1.5 m in depth and getting out in soft / loose soil for foundation, pipe lines etc,

Excavation in trenches n.exc. 1.5 m wide and n. exc. 1.5 m in depth and getting out in hard / dense soil for foundation, pipe lines etc,

All as per Sl. item No. 4 above but depth exc. 1.5 m but n.exc. 3 m

PCC 1:3:6 type C1 (using 20 mm graded stone aggregate) for making good surface where cutting road / hard standing / path complete all as specified and directed by Engr-in-Charge.

PCC 1:2:4, type B1 (using 20 mm graded stone aggregate) in bases / pedestals for pipe lines, mud stops or chamfered on edges and including demolition of existing PCC complete all as specified and directed by Engr-in-Charge.

Returning, filling in including spreading, levelling, watering and well ramming in layers not exc 25 cm thick with excavated soil.

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

Labour only for attending break down of 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 by using suffient dewatering pumps , and directed by the Engineer -in - Charge.

80 mm bore CI/DI/MS pipe

100 mm bore CI/DI/MS pipe

150 mm bore CI/DI/MS pipe

200 mm bore CI/DI/MS pipe

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. Note 2 :- M&L for Earth work, Lead joints, supply only CI / DI / MS pipes, specials, fittings will be measured and paid seperately under relevant items of BOQ.

Labour only for attending break down of 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 by using suffient dewatering pumps , JCB's ,Cranes as per site requirement all as specified and directed by the Engineer -in - Charge.

300 mm bore CI/DI/MS pipe

400mm bore CI/DI/MS pipe

450 mm bore CI/DI/MS pipe

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. Note 2 :- M&L for Earth work, Lead joints, supply only CI / DI / MS pipes, specials, fittings will be measured and paid seperately under relevant items of BOQ.

Supply only follwing sizes of DI K9 water supply pipe lines

450 mm bore

400 mm bore

300 mm bore

200 mm bore

150 mm bore

100 mm bore

Supply only follwing sizes of CI water supply pipe lines class B complete all as specified and directed by Engineer-in-Charge.

400 mm bore

300 mm bore

200 mm bore

150 mm bore

100 mm bore

80 mm bore

Supply only follwing sizes of medium grade MS ERW pipe complete all as specified and directed by Engineer-in-Charge.

300 mm bore,

250 mm bore,

200 mm bore,

150 mm bore,

100 mm bore,

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 150 mm bore.

All as per Sl. Item No.16 above but 200 to 450 mm bore.

Supply only CI 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 150 mm bore.

All as per Sl. Item No.18 above but 200 to 450 mm bore.

Supply only DI specials mechanical joint / expansion joint / Cast Iron detachable joint of follwing bore sizes of pipes and including necessary nuts, bolts and neoprane rubber rings complete all as specified and directed by Engr-in-Charge.

450 mm bore

400 mm bore

300 mm bore

200 mm bore

150 mm bore

M&L for Lead joints for the following sizes of CI /DI Pipes complete all as specified and directed by Engineer-in-Charge:-

80 mm bore CI / DI Pipe

100 mm bore CI / DI Pipe

150 mm bore CI / DI Pipe

200 mm bore CI / DI Pipe

250 mm bore CI / DI Pipe

300 mm bore CI / DI Pipe

400 mm bore CI / DI Pipe

450 mm bore CI / DI Pipe

M&L for Spindle of sluice valve made out of EN-8 steel with check nut made out of MS/CI and including replacing perished gland packing, rubber gasket, bolts and nuts including taking down old spindle of the following sizes complete all as specified and directed by Engr-in-Charge:-

80 mm bore

100/150 mm bore

200/250 mm bore

300 mm bore

400 mm bore

450 mm bore

Surface dressing in soft /loose soil not exeeding 15 cm deep, across the pipe lines etc, and including site clearence, cutting and cleaning of branches / bushes / plants / grass obstructing the pipe lines / valves / chambers / sumps / OHTs on either sides and water supply Installation area including disposal of materials up to a distance not exceeding 50 m complete all as specified and directed by Engr-in-Charge.

Supply and fix MS flange to be welded to MS pipe of following sizes and including flange joint 6 mm thick rubber gasket with necessary nuts and bolts etc., complete all as specified and directed by Engr-in-Charge.

400/450 mm bore and 25 mm thick flange joint

300 mm bore and 20 mm thick flange joint

200 / 250 mm bore and 15 mm thick flange joint

150 mm bore and 15 mm thick flange joint

100 / 80 mm bore and 15 mm thick flange joint

Framed work such as grills, gratings, etc, with ends of bars shouldered and/or riveted, barred iron doors; ladders; walk ways; railings; framework of water tanks and similar work conforming to Fe. 290. Gde-E-165 and including dismantling of existing framed work complete all as specified and directed by Engr-in-Charge.

M&L for masonary valve chamber of size 900x900x900 mm (Internal dimensions) including excavation and earth work in any type of soil and 100 mm thick PCC 1:4:8 type D2 foundation, brick work in cement mortar 1:6, plastering internal and external surface 15mm thick in cement mortar 1:4, PCC 1:3:6 type C1 (using 20mm graded stone aggregate) coping, 50x50x6mm mild steel angle iron, 5 mm thick mild steel plate cover complete with locking arrangement painting steel and iron surfaces with synthetic enamel paint two coats over a coat of zinc chrome primer compete all as specified.

Cleaning of UG/Semi UG fresh water sump of follwing capacity consisting of two compartments of each 1.5 lakh gallon capacity, by pumping out the accumulated water in the bottom using pumpset, removing the complete sludge by suction process using either suction pump or vaccum process, cleaning the walls ceiling & floor using high pressure water jet to dislodge all the mud, dirt algaue, fungus and layers of calcinations, vaccum cleaning to remove the dislodged waste, cleaning with bleaching powder on walls/floor of the sump to make it sterilise and take care of any further suspend bacteria, viruses which might have remained in the tank without disturbing the water suply to the area including painting the details of sump capacity, date of cleaning and due date of cleaning on the sump wall and applying one coat of white wash to entire tank nternal and external complete all as specified and directed by Engr-in-Charge.

3.00 lakh gallons capacity

2.00 lakh gallons capacity

1.50 lakh gallons capacity

0.50 lakh gallons capacity

7,000 to 10,000 gallons capacity

1.00 lakh gallons capacity

20,000 gallons capacity.

40,000 gallons capacity .

M& L for servicing of LT panels of any size by cleaning the panel, bus bar chamber with CTC solution, and welding the door using arc welding and fixing hinges, necessary nut and bolts, washers and made it completely functional for open/ close including painting of panel by spraying with two coats of epoxy based paint over a coat of red oxide primer, after cleaning of rusty panel surface both inside/ outside by emery paper and necessary preparation of smooth surface suitable for painting and including checking of incoming and outgoing connections, Re-fixing of existing ACBs & MCCBs, testing & commissioning, connected PCC & frame works, rewiring of control and power wiring with suitable size of FRLS copper cable but not less than 1.5 Sqmm, replacing of various unserviceable ON/ OFF switches, lugs etc making the panel fully functional Complete all as specified and as directed.

Maintenance of Chlorine cylinders including periodical checking for leakage, rectifying the leakage, removing the empty cylinder from the chloronome plant and connecting the new cylinder as and when required at Meghadrigedda installtion complete all as specified and as directed. The quoted rate includes the following :- (a) Maintain the chlorine content of the treated water as per IS. (b) Maintain the record of water testing. (c) Replacing of damaged copper tubing of required size and length for connecting the cylinder to chloronome plant as and when required. (d) Connect / inject of chlorine gas to gravity feed gaseous chloronome plant.

Supply and fixing CI sluice valve PN 1.6 conforming to IS 14846 flanged end with iron wheel head, stainless steel spindle, flange joints and including necessary nuts, bolts, washers, rubber washer etc, and taking down old sluice valve for the follwing sizes complete all as specified and directed by Engr-in-Charge:-

300 mm bore

250 mm bore

200 mm bore

150 mm bore

100 mm bore

80 mm bore

Supply and replacement of CI foot valve for following sizes complete all as specified and directed by Engr-in-charge:-

250 mm bore

200 mm bore

150 mm bore

80 mm bore

Supply and replacement of Cast Iron Non return Valve with by pass arrangement with necessary rubber gasket, bolts, nuts and washers for following sizes complete all as specified and directed by Engr-in-charge:-

200 mm bore

150 mm bore

Supply & replacement of cast iron double Orifit Type Kinetic Air Release Valve as per IS 14845 of Size 80 mm bore complete all as specified and directed by Engr-in-Charge.

Supply & replacement of cast iron double Orifit Type Kinetic Air Release Valve as per IS 14845 of Size 100 mm bore complete all as specified and directed by Engr-in-Charge.

Supply & replacement of level indicator 36" dia as per IS and including numbering with radium stickering, heavy duty float, counter weight , heavy duty driving gear nylon wire fitted in all in GI housing cutting with RCC slab and making good the slab ,painting the exposed surface with two coats of synthetic enamel over a coat of red oxide primer complete all as specified and directed by the Engineeri-in-Charge. Note: Make of water level indicator shall be got approved by GE before Procurement

M&L for testing of water sample from source or sumps as directed by the Engineer-in-Charge and test the sample as per IS 10500:2012 at Andhra University or any other accrediated laboratory and submit the test report to Engineer-in-Charge Note: Quoted rate is deemed to be inclusive of collection of water at sumps or water souce in suitable container and submit for testing .

Supply and replace soft starter suitable for AC 415 Volts, 50 Hz, 3 Phase motor out put at 170 HP capacity electric motor with single phase priotection complete all as directed.