MAINT AND OPERATION OF PUMP HOUSE NO 7 AND 11 INCLUDING SUPPLY AND DOZING OF CHEMICALS REPAIRS OF PUMP TANKS CLEANING OF TANKS AND ALLIED WORKS UNDER GE AF JORHAT

Amount

Maintenance & Operation of water supply Installation at Pump House No - 7 & 11, round the clock in three shifts (each shift of 8 hours) in every pump house separately having installed electric driven Centrifugal Pump Set electric motor,IR plant, DG Set, Chloronome dozing plant, Water reservoirs, power panels, Sluice valve,Gate valve, Non return valve , by deployment of one skilled operating staff (FGM) for each shift seperately in each pump house including routine/preventive maintenance of complete installation, cleaning of surounding of installation, building and minor repair of leakage etc, by providing gland packing, replacement of glange gass kit and mentnance of control panel of DG Set/ Pumping set including replacement rewireable fuses as specified /directed complete all as specified and directed by Engr-in-Charge. The cost of following routine/preventive maesures of above eqipment/plant are deemed to be included in the unit rates qouted against this item :-

(A). Pumping Set (i) Timely Bearing lubrication/greasing. (ii) Leakage on pump set & control valve inluding replacement of gland packing if necessary. (iii) Regular checking of coupling bolts, nuts etc. (iv) Checking of Electric control panel such as tightening of electric connection etc. (v) Maintenance of daily log sheet (vi) Cleaning of plants/equipment and plant room

(B) Filteration Plant/chorination/sedimentation Tank & Reservoir (i) Maintenance of control valve, replacement of gland packing & providing greasing as and when required. (ii) Routine back wash of pressure filter as & when required. (iii) Checking proper dose of cholorination and maintening daily record. (iv) Recording of test results, Chlorine test kit and testing solution should be brought by the contractor and kept in the Pump House. (v) Proper maintenance of running/ maintenance records as directed by Engr-in-Charge. (vi) Mixing/ dozing of Alum ferric, Alum Crystal, chlorination chemical and lime etc, in water as directed by Engr-in-Charge. (vii) Cleaning of Alum pot, Lime pot and connected accessories.

(C) DG Set (i) Checking of oil level of Diesel Engine & topup if low. (ii) Checking of water/coolent level of the rediator of the DG set & topup if low. (iii) Checking of Electrolyte in the Battery, Battery terminals & topup if low including providing petroliumjelly/grease as and when required. (iv) Checking of electric connection of alternator. (v) Checking battery charging with the existing battery charger/ alternator of DG Set. (vi) Checking carbon bushes of alternator including electric connection and out put voltage. (vii) Maintenance/filing of daily log sheet. NOTE:- 1. Rate quoted for above item is included cleanning , cutting grass, bushes in the permises of Pump House. The height of grass/bushes not more than 1" at any time. 2. Chlorination chemical (calcium hypochlorite) shall be issued by the department for free-for-mixing/dozing under Sch "B" store.

supply only calcium Hypochlorite min 70% -72% chlorine content in granular disinfectant for water treatment (drinking water and swimming pool ) packed in 45 Kg each Drum suitable for human Consumption by maintaining adiquate clorine at all time in Pump House No 7 & 11 complete all as specifed & directed Make :- Sree Rayalaseema Brand PURI CHLOR /Acuro Orrganic Ltd or as approved by E in C Branch.

Supply of Alum Ferric (AL²O³ of 15% to 16% concentration) with water in proportionate way for acheiving proper sedimentation of water at all time at Pump Houses as directed by competent authority for better sedimentation process at above installations (i.e. Pump house No 7 & 11), complete all as specifed & as directed by Engineer-in-charge. Make : - ACURO ORGANIC LTD/MARUDHAR ALUMS CHEMICALS PVT LTD or as approved by E in C Branch.

Supply of Alum Crystal of approved quality with water in proportionate way for acheiving proper sedimentation of water at all time at Pump Houses as directed by competent authority for better sedimentation process at above installations (i.e. Pump house No 7 & 11), complete all as specifed & as directed by Engineer-in-charge. Make : - ACURO ORGANIC LTD/MARUDHAR ALUMS CHEMICALS PVT LTD or as approved by E in C Branch.

Supply of Unslaked Lime ( Ca[OH]²) in poly bag container of 9 KG of approved quality with water in proportionate way for acheiving proper sedimentation of water at all time at Pump Houses as directed by competent authority for better Purification/ sedimentation process at above installations (i.e. Pump house No 7 & 11), complete all as specifed & as directed by Engineer-in-charge.

Supply of Bleaching Powder of approved quality for cleaning/ washing the Surfaces of sedimentation tank, Floor area of pump Room , areation towers of PH No 7 & 11 during decaning/ refilling of fresh water in interval as directed by Engr In charge for better Cleanness of Tanks / Floor surfaces of pump room & Areation tower or indicated places complete all as directed & specified. Make :- SHRI RAM CHEMICAL / ADITYA BIRLA CHEMICAL OR AS APPROVED BY E IN C BRANCH.

Notes :- 1. Material to be supplied against Ser No 2 to 6 above will be delivered at AGE E/M-II Store yard in sealed/intact packing. The same shall be accounted for under receipt voucher and shall be issued from time to time under Schedule ' B' for use (Transportation will be borne by the contractor from AGE E/M-II Store yard to Pump Houses). 2. Contractor must maintain the register for deposite/draw detail of chemicals duly signed by Contractor,JE E/M and Engr-in-Charge. RV/USR shall be entered in MB for accounting material.

Cleaning RCC GROUND SEDIMENTATION TANK 50000 GALLON Capacity, Open Type, located at PUMP HOUSE No. 11 by decanting with Water, Scraping Internal Surface and Bottom of the Tank with Mild Steel Scrubbers/Brush, Rubbing down Scale, Dirt, Sludge, etc, Washing with Clean Water taking out and removing Mud, Dirts, Silts, Sand, Iron Deposits/Sludge, etc. from inside of the Tank and depositing at a distance not exc. 50.0 METRE away from the Tank, Washing Inner Surfaces with using Lime and Bleaching Powder and removing the same until Clean Surface is obtained including Cutting of Bushes, Plants, etc., Cleaning of Drains, surrounding Area up to 3.0 METRE, complete all as specifed & as directed by Engineer-in-charge.

All as per serial item No. 7 here-in-before but for RCC GROUND SEDIMENTATION TANK 40000 GALLON , Capacity, Covered Type, located at PUMP HOUSE No. 7.

All as per serial item no. 7 here-in-before but for RCC CLEAR WATER UNDERGROUND SUMP, 40000 GALLON Capacity, Covered Type, located at PUMP HOUSE No. 11.

All as per serial item no. 7 here-in-before but for PS CLEAR WATER GROUND TANK, 40000 GALLON Capacity, Open type, located at PUMP HOUSE No. 7.

All as per Item No. 7 here-in-before but RCC OVER HEAD TANK, 25000 GALLON Capacity, at 12 Mtrs high stagging, located at PUMP HOUSE No.11 .

All as per Item No. 7 here-in-before but RCC OVER HEAD TANK, 75000 GALLON Capacity, at 12 Mtrs high stagging, located at PUMP HOUSE No.7

All as per serial item no. 7 here-in-before but for PS OVER HEAD TANK 9600, GALLON Capacity, at 12 Mtrs high stagging, located at PUMP HOUSE No. 7.

Preparing Internal Surfaces of PS OVER HEAD TANK 9600 GALLON Capacity, Closed Type, located at PUMP HOUSE No 7., and applying One coat of Black Bituminous Paint (suitable for Drinking Water) including applying One Coat of Paint with existing Colour on all Steel Surfaces of Ladder, Railing, etc, or on the Aeration Tower,s pipes , Pipe Steel Structure, CI Structure such as Wash Out, Over Flow Pipe, Inlet Pipe, Outlet Pipe, etc. including Arrow marking on Pumping/Supply/overflow line AND letter writing by using white paint on Black paint by showing CAPACITY :, CLEANED ON:,DUE ON: on ordered location etc. complete all as specified and as directed.

Preparing Outer Surfaces of PRESSURE FEED FILTRATION PLANT comprising of OXIDATION PLANT, PRE –FILTER, IRON REMOVAL PLANT of 10000 GALLON Capacity, located at PUMP HOUSE No.7 &11 and applying one Coat of Synthetic Enamel Paint (as per existing Colour) with Spray Painting Machine,including Arrow marking on inlet & outlet pipe line complete all as specified and as directed.

Preparing Old Painted Steel Surfaces of Pipes those are exposed & laid horizontally at Pump houses not exc. 100mm Width or Girth by Scrapping with Mild Steel Wire Brush and Sand Papering to remove all the Loose Paint, Sludges, Rust, etc. and applying Two Coats of Synthetic Enamel Paint over a Coat of Red Oxide Zinc Chrome Primer, complete all as specified and as directed.

Material and labour for taking down carefully electric driven centrifugal pump set 20 HP capacity including MS channels frame from foundation after disconnecting GI pipes/main electric supply from motor starter panel and keeping the MS channel frame at site for repairs/painting and carrying the pump set to nearest repairing workshop including bringing back after repair work complete all as directed by Engr-in-charge.

Dismentling carefully centrifugal pump set 20HP capacity and taking out all serviceable and unserviceable parts and cleaning/removing all dust particles such as mould and moss etc re-assembling the same after greasing the ball bearing including necessary gaskets etc and replacement of underviceable parts. Note :- Materials required for replacement will be ascertained through a BOO and shall be measured and paid separately under following items.

Supply only pump shaft with impeller key and nuts suitable for 20HP capacity type - DES80/36 Make :- KIRLOSKAR or equivalent make as approved

Supply only cast iron impeller for 20 HP capacity pump type - DSM 2E as per sample.

Supply only Shaft sleeve DE/NDE

Supply only Ball Bearing No. 6306 Make : TATA/SKF/NBC

Supply only GM Bushing

Supply only Fan blade (PVC) as per sample

Supply only CI coupling set for centrifugal pump set including key lock and stud etc (as per sample).

Supply only Cast Iron impeller suitable for centrifugal pump DB 50/20 as per sample

Supply only Pump shaft S/S (DB 50/20) 20 HP capacity

Supply only Ball bearing 6305 Make : TATA/SKF/NBC

Dismantling carefully centrifugal motor 20HP capacity and taking out the burnt/worn coils from the slots of stator and other accessories such as ball bearing and rottor and cleaning the stator slots and rewinding the same with new supper enamelled copper winding with appropriate gauge, heating, varnishing with doctor beck's insulating varnish and re-assembling the same and testing comissioning, complete all as per specified and as directed by Engineer-in-charge.

Labour only for lifting/lowering of unserviceable 12.5 to 15 HP capacity submersible pump sets from tubewell after disconnecting the electric supply and taking out all coloumn pipes flanged/socket type 80 mm size 18.15 RM long keeping serviceable fittings in safe custody for reuse/removing unserviceable materials from site/ making good disturbed surfaces and carrying submersible pump set to nearest repairing workshop including bring back after repair/replacement and lowering the same after replacement unserviceable spare parts such as cloumn pipes flanged type 80mm dia and fixing with rubber gasket/nuts/bolts/washers of suitable size etc. including connection of electric supply to motor, testing/commissioning etc., complete all as per specified and as directed by Engineer-in-charge. Note. : Replacement of Column pipes shall be measured and paid seperately.

Dismantling carefully submersible motor 15 HP capacity and taking out the burnt/worn coils from the slots of stator and other accessories such as ball bearing/bushing and rotor etc. including necessay cutting/grinding/drilling/machining works for fixing of spare parts and cleaning the stator slots and rewinding the same with new supper enamelled copper winding wire with appropriate gauge, heating, varnishing with doctor beck's insulating varnish and re-assembling the same testing, complete all as per specified and as directed by Engineer-in-charge.

Dismentling carefully submersible pump to 12.5 to 15 HP capacity and taking out all serviceable/unserviceable parts and cleaning/removing all mould/ moss/ foreign material scale and dirt etc. Re-assembling the same after greasing the ball bearing including necessary gaskets and replacement of unserviceable spare parts, complete all as per specified and as directed by Engineer-in-charge. Note :- Materials required for replacement will be ascertained through BOO and shall be measured and paid separately under following items.

Supply only Pump shaft suitable for submersible pump any type 6 to 8 stages 15 HP capacity. (as per sample)

Supply only Gun metal impeller Make- Calama

Supply only Impeller bushing , Make- Calama

Supply only Stage casing suitable for submersible pump 12.5/15 HP cap.

Supply only Carbon thrust bearing with pressure plate

Supply only Thrust bearing housing Make : Calama

Supply only Bearing body for motor

M & L painting of 20 HP capacity centrifugal pump set after removing old painted/rusted surface by paint removers with blow lamps, claming with scrapers etc over the surface of motor/ pump/chennal base of pump set and painting with two coat of grey synthetic enamel paint on motor/pump body /two coat of red synthetic enamel paint on fan guard/two coat of black synethic enamal paint on base chennal frame over two coat of red oxide primer shall be painted with electrical spray machine all as specified and directed by Engr-in-Charge.

Comprehensive Maintenance of Air blower assy by Cleaning the whole body & Air filter assembly, Oiling, Greasing,Tightening of all nut bolts if required, Minor repairing to Blower Pump and Electric Motor including replace-ment of Spare Parts like V Belt, Pully & 1" dia NRV,s if required of any type etc. complete all as specified and as directed.

Comprehensive Maintenance of Air Compressor assy by Cleaning the whole body & Air tank, Oiling, Greasing,Tightening of all nut bolts if required, Minor repairing to Compressor Pump and Electric Motor including replace-ment of Spare Parts like V Belt /NRV,s of any size, Pully if required of any type etc. including repleacement of old oil SAE-90 and oter spares, complete all as specified and as directed.

M & L for preparation of old painted surface of Air Compressor equipment body such as 3 HP capacity motor, air cyclinder and compressor etc. painting with two coat of grey synthetic enamel paint on motor/air cyclinder/air compressor body/two coat of red synthetic enamel paint on fan guard/two coat of black synethic enamel paint on base channel frame and shall be painted with electrical spray machine all as specified and directed by Engr-in-Charge. Note:- The contract sum shall be calculated by deducting the amount shown in Credit Schedule attached to this tender, from total amount of Schedule 'A'/BOQ

M/S PAUL CONSTRUCTION

M/S KRISHNA CONSTRUCTION CO

Bidder Name

M/s K R Construction Co

M/S PAUL CONSTRUCTION

M/S KRISHNA CONSTRUCTION CO