CLEANING OF OH TANK, UG SUMP AND REPAIR/ MAINTENANCE OF WATER SUPPLY INSTALLATION AT AFS AMLA.

Amount

Material and labour for cleaning of underground water storage tank/sump after scrapping out the scales/deposits from all inner surfaces of sump thoroughly washing with bleaching powder solution (mixed @ 0.5 Kg of bleaching powder of chlorine content 30% per 1000 liters of water), bailing out the settled materials completely away from the site within 100 metres distance, cleaning the tank with clean water and finally sterilizing the tank as mentioned in notes below and resetting the existing level readings complete including taking down and re-fixing of foot valve after necessary cleaning, repairs etc., and replacing minor parts if any required for proper functioning of foot valve, testing and writing “TANK CLEANED ON…..”(date), “DUE DATE ON…..(date) with 10 cm size white letters on black back ground by engaging skilled artist using best quality synthetic enamel paint all as specified and directed by Engr-in-Charge for the following sizes:-

50,000 glns capacity water storage tank at Filter House

25,000 glns capacity underground sump at site C

1,00,000 glns capacity underground sump at Malanjhiri Pump House

All same as per item No. 1 here in before but for RCC Jack Well of capacity 22,000 glns at Kudmud Pump House

All same as per item No. 1 here in before but for RCC over head tank at 80 feet staging of capacity 2,00,000 glns having two compartments at Filter House.

All same as per item No. 1 here in before but for RCC over head tank at 80 feet staging of capacity 25,000 glns having two compartments near site C Note for Item No 1 to 4:- The contractor should follow the following procedure in addition to above which demeed to be included in the contractor quoted rate. (a) Mechanized removal of all dirty water by using high capacity submersible pumps. (b) Removal of sludge by using vaccum operated pump (c) Cleaning of walls, ceiling and ground by high pressure rotary jet of 12 Kg/sqcm pressure. (d) Removal of all dirt particles by industrial wet vaccum cleaner leaving the tank physically cleaned as per Engr-in- Charge satisfaction. (e) Sterilization of tank by agents eco-friendly, bio-degradable and highly effective against all pathogens, or approved chemical. (f) Sterilization of tank atmosphere by industrial UV radiator leaving the tank complete sterilized (g) All the required Tools and plants, lubricants/oils and materials will be supplied by the contractor during the work. (h) Fresh air to be blown into the tank for a period before allowing a person to enter. The cleaner should wear protective clothing, including gloves, a boots, Safety Helmet and glasses. Contractor should make sure someone remains outside the tank, next to the access hatch all the time in case the cleaner has an accident. The availability of gas masks and portable ventilators would be made available by the contractor at site during cleaning operation.

Material and labour for Cleaning existing sewage underground sump (size average dia 6 metre; average depth 4.5 metre) of Sewage treatment Plant at Tandon camp including cleaning of filter bed/soakage pit (in foul condition) of any size and depth by removing the water scum, sludge/vegetation, old saturated brick bats, etc completely using pumps or manually and disposing off the silt/ sludge etc., to a distance not exceeding 100m; as required for proper functioning complete all as specified and directed.

Material and labour for preparation of external surface Including grouting and rendering of damage surface & matching with the existing surface of overhead water storage tank of 60ft staging (1x200000 gallon at Filter House and 1X50000 gallon at site C) by scrapping all dirt’s dust, rust from roofs and overhead tank wall etc and then apply with two coats of heat reflective paint even and smooth of white colour with blue colour bands all complete as directed by Engr-in-charge. Make of Paint: COOL-ROOF-AV, Dr Fixit

All same as per item No. 6 here in before but for external plastered/ concrete surfaces of underground sump of capacity 50,000 gallons and 1,00,000 gallons at filter house and Malanjhiri Pump House Note for Item No 6 & 8:- a) Surface preparation and application procedure shall be as per manufacturer’s guidelines and directions of Engineer-in-Charge. b) The paint used should not contain any harmful chemical content to pollute drinking water. A manufacturer certificate for the same is mandatory and contractor must produce the certificate as mentioned above before application to Engineer-in-Charge c) Contractor has to ensure the safety of the working personnel and the quoted rate inclusive the rate of tools and equipments needed for the job

M&L for taking out carefully complete filter media from the existing gravity filter at filter house and at Mowad nallah recharge shaft (total approx quantity 50 cum) and stacking in segregation size/ item wise (viz. gravel/pebble/ grit/ sand) outside the plant house at a distance exc 20 m and n.exc 50 m and cleaning the all filter media (viz. gravel/pebble/ grit/ sand) using bleaching powder and water including refiling the cleaned filter media at the same location complete all as specified and directed.

Supply and filling pebble filter media of sizes 12-25 and 20-40 mm confirming to the following specifications:- Bulk density 1500kg/Cum UC less than 1.5% Acid solubility less than 5 %

Supply and filling quartz white sand for filter media conforming to the following specifications:- Bulk Density:1700Kg/Cum Uc less than 1.5 % Acid solubility less than 5% Silica contents-90% Size 0.4-1.2mm Note Items Nos 9 & 10: 1.) The quality and testing requirement of filter media supplied by contractor for use in pressure filter shall conform to IS: 8419 (Part -I) – 1977 (Reaffirmed 2001). 2.) The quality testing certificate of filter media is to be produced by the contractor before taking payment. 3.) The filter media shall be tested from any authorised laboratory after getting written approved by GE. Expenditure against testing will be deemed to be included in qouted rate.

Material & Labour for complete removal of existing treatment of potable water tank by removing old painted surfaces using paint removers or burning off by blow lamps and cleaning with scrapers etc., and applying two coats nontoxic, non-corrosive water proof coating over a coats of primer inside the tank complete all as specified and directed. Make:- Sikagard-67, Dr Fixit Pidifine 2K, Clean Tech PW or equivalent as certified by CFTRI, Mysore for potable water/ BIS Note:- a) Surface preparation and application procedure shall be as per manufacturer’s guidelines and directions of Engineer-in-Charge. b) The paint used should not contain any harmful chemical content to pollute drinking water. A manufacturer certificate for the same is mandatory and contractor must produce the certificate as mentioned above before application to Engineer-in-Charge.

Supply and fix in repairs lamella clarifier plate made out of FRP (Fibre reinforced plastic confirming to BIS standards) of size 1210mm x 910mm x 3mm complete all as specified and as directed.

M&L for taking out carefully lamella clarifier plate made out of FRP (Fibre reinforced plastic confirming to BIS standards) of size 121cm x 91cm x 3 mm thick from plant including cleaning using bleaching powder with water and refixing in same position complete all as specified and as directed.

M&L for taking out existing of UPVC header and lateral pipes of bore 50 mm dia without causing any physical damage and cleaning the same with clean water and bleaching powder and refixing the same in old position including replacement of damaged minor fitting if any required for proper operation such as rubber gasket, bend, tee etc. complete all as specified and directed.

S&F in repairs UPVC (SCH - 80) header and lateral pipes of bore 50 mm dia with necessary fittings and nylon net cover suitable for multi inlet/ outlet of sand filter complete all as specified and directed. Note: Nylon net cover will be measured and paid separately as supply only.

Supply only nylon net cover suitable for multi inlet/outlet pipe of sand filter all as specified.

Supply and fix in repairs cast iron pipes with flanged ends/ vertically cast, Class A of 200mm bore and length 450mm into the 25mm thick RCC wall including dismantling/taking down old unserviceable CI tail piece with CI sluice valve from RCC wall and making good the disturbed by grouting using cement slurry or Chemical to arrest leakage of water complete all as specified and directed.

Servicing the MS Pulley set by oiling, greasing, replacing worn out pulley, pulley pin, locknut, bolt, bracket, etc., at any level/heights complete all as specified and directed. Note: Pulley if any replaced during servicing shall be measured and paid separately as supply only item. And other minor items such as pulley pin, locknut, bolt, bracket, etc., replaced during servicing of pulley set deemed to be included in the quoted rate.

Supply only MS pulley of suitable diametre to match with existing one at site complete all as specified.

Supply and fix water level indicator in repairs at underground sump depth of 12 feet, float & board type with specification as measuring range 1-4 mtrs, float valve , wire pointer M.S. epoxy coated red coloured, scale 6" wide, housing , pulley and appropriate MS channell for support and mounting parts being alluminium powder coated The job involves all alteration at site complete all as specified and directed.

Supply and fix water level indicator in repairs at overhead tank of 60 feeet staging float and board type with specification as measuring range 1-6 mtrs, float valve , wire pointer M.S. epoxy coated red coloured, scale 6" wide, housing , pulley and appropriate MS channell for support and mounting including all parts being alluminium powder coated. The job involves all alteration at site complete all as specified and directed.

Overhauling and servicing of vacuum type gas chlorinator system of capacity 0-1 kg per/ hour bearing model No SM117 of Supreme Technologies, Nagpur by authorised OEM including replacing old unserviceable spare parts and testing complete all as specified and directed. Note: (i) Cost of spare parts replaced shall be measured and paid separately as supply only under relevant items herein after. (ii) Labour charges for replacement of spares parts if any required during servicing of AC’s deemed to be included in the quoted rate. (iii) OEM Test Report shall be submitted by the contractor after testing.

Supply only following spares required for replacement during the process of Overhauling/ servicing of the vacuum type gas chlorinator system of capacity 0-1 kg per/ hour bearing model No SM117 of Supreme Technologies, Nagpur:- Note: Spare parts supplied shall be from the authorised delar of OEM.

Vacuum regulator diaphragm

Vacuum regulator 5/16 X 2 ½” Long 8 nos.

Vacuum regulator O ring.

Inlet valve assembly.

CPVC union O ring

Yoke clamp gasket.

Connector gasket.

Control valve O ring.

Flow meter long stud

Flow meter long stud bolt.

Ejector diaphragm

Ejector Long stud.4 nos.

Ejector Nut 8 nos.

Spring.

PU tubing.

Isolation needle valve

Supply and fix in repairs digital soft starters suitable for 55 KW in line 415 Volts induction motor.

Supply and fix in repairs digital soft starters suitable for 37 KW in line 415 Volts induction motor.

Material and labour for refilling chlorine gas from government authorised agency in department cylinders of 100 kgs capacity including transportation from and to the filling agency and replacing weared and teared parts etc., if any noticed before refilling complete all as specified and directed. Note: Contractor has to obtain necessary certificates for cylinder and chlorine gas from respective departments of Government Of India all deemed included in quoted rate.

Supply only trichloroisocyanuric acid TCCA 90 granules having chlorine content => 90% in air tight containers all as directed. Make:- Grasim Industries (or) any other equivalent ISI marked make shall be used after getting approval from GE Note:- Supply only items shall be taken over on charge through necessary Receipt Voucher duly signed by all concerns

Supply only calcium hypochlorite granules having chlorine content => 65% in air tight containers all as directed. Make:- Grasim Industries (or) any other equivalent ISI marked make shall be used after getting approval from GE Note:- Supply only items shall be taken over on charge through necessary Receipt Voucher duly signed by all concerns

Material and labour for preparation of old painted steel or iron surfaces of any description over 10cm width or girth and applying one coat of synthetic enamel paint complete all as specified and directed.

Material and labour for testing potable water sample from the nearest district Laboratory, P.H.E. Madhya Pradesh including transportation complete all as specified and directed. Note:- The rate quoted by contractor includes the following: 1. Collecting water samples in sterlised containers from the location as directed by Eng-in-Charge 2. Transporting the collected sample immediately to the lab and submitting the test report to the Eng-in-Charge.

M&L for disconnecting water pipe line, electric connection and taking out submersible pump set of any capacity alongwith column pipe and submersible cable with the help of chain pull block using tripod etc., from maximum depth of 250 feet as required at site and re-lowering the same after developing the bore well including replacement of rubber gasket, nuts, bolts and washer where ever required complete all as specified and directed. Note:- (i) Development of borewell will be measured and paid under respective items of sch 'A'

M&L for redevelopment of existing bore well of any capacity and size not more than 110 metre deep at the pressure not less than 250 psi by diesel engine driven air compressor of capacity 750 cfm including air pipe and connected items to improve the yield of tube well complete all as specified and directed.

M&L for draining out water complete, cleaning and removing accumulated sludge/dirt, scales from tank bottom/walls/ceilings/top of slab and from mouths of circulating pipes of RCC/ PVC tanks of capcity 5000 Ltrs located on platform of AC plant and disinfecting the tank as per clause 18.114.6 of SSR part 1 by using bleaching powder to make the tank bacteria free and disposing off the rubbish/dirty water safely in low lying areas of defence land, writing “TANK CLEANED ON…..”(date), “DUE DATE ON…..(date) with 5 cm height x 5cm breadth size white letters on black back ground by engaging skilled artist using best quality synthetic enamel paint complete all as specified and directed by Engr-in-Charge.

S & F in repairs following items for Diaphragm motor of capacity 0-20LPH with discharge tubing size 6mm/8mm and discharge pressure upto 5kg/sqcm as per sample Make:- E-Dose

PTFE Diaphragm with gasket

Suction valve assembly

Discharge valve assemby

Elastomer sealing set

Diaphragm motor pump set

S & F in repairs 50 mm dia PVC stirrer suitable for Diaphragm type chlorine doser as per sample shown by Eng-in-Charge.

S & F in repair PVC tube 6 mm/ 8 mm dia as per sample shown by Eng-in-Charge Note: The PVC pipe provided by contractor should be chlorine resistant.

Supply and fix in repairs Coiled Copper Tube Connector consists of an annealed copper tube of outer dia 3/8" inch/ 10 mm with Brass Nipples and Brass Unions 5/8" BSP [F] on either side to suit chlorine container valves; including brazing the brass nipple to copper tube complete all as specified and directed.

S & F in repair PVC 6mm/8 mm strainer for chorine doser machine

S & F in repair 20mm bore valve made of Aluminum Silicon Bronze to be mounted on chlorine gas cylinder including all necessary accessories having maximum working pressure 500PSI, burst pressure 7200PSI conform to relavant IS complete all as specified and directed.

Supply only Grease for bearing Make:- Castrol, Servo, HP

M&L for taking down carefully old unserviceable electrical panels of size 1.8m x 3.5m x 0.5m (Approx) after disconnecting/ terminating the electrical connection if any at site complete all as directed.

Excavation in trenches not exc. 1.5 Mtrs wide and not exc. 1.5 mtr deep and getting out in hard / dense soil all as directed and specified.

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

Removing of surplus excavated material to a distance not exceeding 50 mtr and depositing where directed at a level not exc 1.5 mtr above the starting point all as specified and directed.

Taking down of faulty LT under ground cable of any size from trenches / pole / wall etc for detecting fault including repair and jointing at site including relaying, connecting with new thimbles, lugs, glands etc complete all as specified and directed. Note: Excavation/ earth work and cable jointing kit shall be measured and paid for separately under relevent item schedule 'A'.

Supplying, Installing and testing of LT panel board supplied by CPRI approved panel manufacturer, indoor type, weather and vermin proof, having dimension minimum 1.8mX 3.5mX0.5m factory fabricated, cubical type, made out of CRCA sheet 02 mm thick suitable for 415 volt, 3 phase, 4 wire system with front openable each compartment (Total 22 Nos compartments for incomer/ Outgoing/ DOL starters/ Change over switch etc) and locking arrangement with PVC star screwing, spring loaded hinge arrangement, epoxy power coated, internal wiring complete with copper conductor cable for metering system and CT's complete all as specified, comprising by providing of the following equipments /fitments complete:- (a) Aluminium busbar suitable for three phase four wire system of current rating 600 Amps covered with coloured PVC sleeves as per colour code mounted on DMC insulators -01set (b) Material and labour for taking down, refixing and properly connecting with control wiring in repairs the following items :- Note: The refixing may involve minor welding,driling or any alteration as per site requirement (i) MCCB, 4pole , 415 Volts of current rating 250 Amps - 1 Each (ii) MCCB, 3 pole of current rating 80-250 Amps - 2 Each (iii) Power contactor 80-160 amps 3 pole - 3 Each (iv) MCB, 3 pole of current rating 6 - 32 Amps - 4 Each (v) Power contactor 25 amps 3 pole - 4 Each (vi) Star delta timer 3 to 120 Sec 240 Volts AC - 3 Each (vii) Thermal over load relays 9-12.5 amps 3 pole - 4 Each (viii) MCB 4 pole 10Amps 415 Volts - 4 Each (ix) MCCB for street light 4 pole 32 amps - 1 Each (x) Energy meter flush type - 1 Each (xi) Ammeter meter flush type - 6 Each (xii) Voltmeter flush type - 1 Each (xiii) Single phase preventer - 4 Each (xiv) Push button acutuators - 15 Each (xv) LED indicators any type - 20 Each

Supply and fixing in repairs the following items: - Note: (a) The contractor quoted rate deemed to be includes minor welding, drilling or any alteration as per site requirement to fix the below items. (b) The below items will be executed under item No. 47 above.

Electrical grade aluminium bus bar with necessary heat shrink sleeves to withstand a voltage of 1100 volts

DMC insulator to withstanbd a voltage of 1100 Volts

CT's with ratio 100/5

CT's with ratio 50/5

Control wiring for panel of size 1.8mX 3.5mX0.5m with necessary FR PVC Single core copper cable, tags, lugs, thimbles, cable worm, DIN rails, PVC cable channels, PVC terminals, bakelite terminals etc of appropriate size and quality

Onload Manual Changeover switch 4 pole, 415 Volts, 250 Amps conforms to IEC 60947-3, IS/IEC 60947-3

Onload Manual Changeover switch 4 pole, 415 Volts, 63 Amps; conforms to IEC 60947-3, IS/IEC 60947-3

MCCB, 4 pole, 415 Volts of current rating 250 Amps, thermal magnetic release rupturing capacity 25 KA Conforms to IS/IEC 60947-2 & IEC 60947-2

MCCB, 4 pole, 415 Volts of current rating 63 Amps, thermal magnetic release rupturing capacity 18 KA Conforms to IS/IEC 60947-2 & IEC 60947-2

MCCB, 4 pole, 415 Volts of current rating 32 Amps, thermal release and rupturing capacity 18 KA. Conforms to IS/IEC 60947-2 & IEC 60947-2

MCCB, 3 pole of current rating 125 Amps thermal release and rupturing capacity 18 KA; Conforms to IS/IEC 60947-2 & IEC 60947-2

Power contactor 40 amps 3 pole (1 No+1NC) with coil voltage 230Volts AC and necessary auxillary accessories.

Power contactor 150-160 amps 3 pole (1 No+1NC) with coil voltage 230Volts AC and necessary auxillary accessories

Power contactor 25 amps 3 pole(1No+NC) with coil voltage 230 volts and necessary auxillary accesssories

MCB, 3 pole of current rating 6-32 Amps rupturing capacity "c " curve, 10 KA.

Electro mechanical type phase sequence indicator with operating range 50-500Volts AC, 25 to 60Hz with operating switch control Make CIE

Star Delta Electronic Timer - 1 No (star)+1 No (delta), 3 sec - 120 sec with 240V AC

Thermal magnetic overload relay adjustable from 9-12.5 Amps, 3 Pole Class 10A Conforming to IEC 60947-4-1

Single phase preventer suitable for 3 Phase equipments Make: Model VSP2 of Minlec

Push button acutuators flush head (on/off buttons) Make L & T

LED indicators Make L& T

Trip alarm/Hooter with control key operational on 240 V AC with sound intensity of 80DB at least.

Supplying, installing, testing and commissioning of auxillary 3 phase transformer 415/220v 10A copper wound, core made out of CRGO including connectingof the same with existing soft starter complete all as specified And directed

Control wiring of panel of size 1.5mX 1.5mX0.5m with necessary FR PVC Single core copper cable, tags, lugs, thimbles, cable worm, DIN rails, PVC cable channels, PVC terminals, bakelite terminals etc of appropriate size and quality

Blank

Demolition of brick valve chamber of size 900mm x 600mm x 1000mm (Internal), including PCC coping and removing the debris away from site to a distance exc 50 metre but not exc. 100 metre complete all as directed.

M&L for valve chamber of size 1500mmx 1500mmx1500mm (Internal) with fly ash brick masonary 230 mm thick in CM 1:6, PCC 1:4:8 type, D2 foundation 75 mm thick, finished fair and even, PCC 1:2:4 type, B1 coping 150 mm thick on top of brick wall for fixing chamber cover, 10 mm thick cement mortar 1:4 plaster on exposed surfaces of brick wall (both internal and external), mild steel flat iron strip cover of 25 X 5.00 mm thick with Wire netting of galva nised steel wire, 1.40mm dia , mesh size 12 mm inclduding mild steel angle iron 40x40x6 mm size frame fixed to PCC coping with the same size of angle iron hold fast and with necessary handle and locking arrangements, metal surfaces duly painted with two coat of black bituminous paint over a coat of red oxide zinc chrome primer and finishing the masonry/concrete surfaces with 3 coats of white wash including necessary excavation and earth work complete all as specified and directed.

M&L for oiling, servicing, greasing of existing manually operated gate of check dam of size 3.0x1.5 metre at the depth of 9.5 Mtr below the ground level at Kudmud pump house including taking off the sluice gate on other side of check dam and refixing the same after necessary reapirement and refixing the same including fabricating and making good dents on edges of gate bolts holes with additional reinforcement of 50x6 mm flat with drilled holes on the edges all round suitable rubber insertion sheet with new set of bolts nuts all as directed.The Job includes repacement of Supply and fix in repair ball bearings suitable for 40 mm inner dia pipe made of stainless steel at the kudmud dam gates spindle by detaching the handle etc. inclusive of all alteration required all as directed by Engineer-in charge.Make:SKF,Tata,NBC (NEI)

M & L for Running welding in repairs for thickness of metal to be welded not exceeding 6 mm all as specified and directed.

Lifiting up manhole covers (RCC/CI) carefully, removing/desilting complete manholes including removing blockage etc for smooth flowing of water /sludge taking precautionary and safety measures and removing the silt/sludge to a distance n. exc 100m or as directed by EIC from the manholes of any size and depth, replacing manholes covers in positon all as specified and as directed. Note :- Depth of silt/sludge from the top of benching will be measured.

Taking up of old unserviceable shaft,stirrer etc from liquid chorinator and repalcing the same with new shaft made out of UPVC pipe 15 mm, with length 45 cm approx. mounted on two sets of ball bearing operated via belt (new) attached with 1 HP motor including necessary alteration ,welding etc al as specified and as directed by EIC.

Note:- (i) The amount against Schedule of Credit on Page No. shall be deducted from the total amount quoted against Sch 'A' while deriving the Contarct Sum for Acceptance.

M/s Vinod Yadav

Raj Construction