REPAIR/MAINTANANCE OF IRON REMOVAL PLANT ,CHLORINE DOSING SYSTEM,VERTICAL TURBINE MOTOR AND SUBMERSIBLE PUMPS AND ALLIED WORKS AT MOUZA DALAN AND SIRSA CAMP AREA AT ARMY STATION KATIHAR UNDER AGE (I) (AF) PURNEA

Amount

Cleaning & servicing of filtration plant and iron removal plant by taking out all the filter media,cleaning,welding worn out MS pipe/Plate and internal threading where ever required inside cell of filtration plant throughly by removing all scales /dirts/muds /chemical deposits etc & after drying the cell inside, apply painting in the complete inside cell with 2 coats of black bituminous paint(Suitable for drinking water), after painting, reset the seviceable and washed filter media After completion of work, painting to outer surface including foundation, sluice valve, pipe etc with two coat of synthetic and enamel paint with duly rubbing./cleaning of surfaces rewriting of date for change of filter media cleaning of filteration plant all as specified and directed at site by the Engineer in charge

Supply only the following item for replacement under item No-01 above (a) Filter Media gravel of barakar size 1 to 6 MM.

(b) - do - but size 6 to 12 MM.

(b) - do - but size 12 to 20 MM.

(c) Ferominex (MNO2) used as catalytic agent.

(d) Alkathener strainer 3/8" dia.(As suitable to site)

(e) Sand coarse 1.00/1.50 MM

S&F aviation obstraction light fitting yellow painted die -cast aliminium alloy housing red coloured polycarbonate dome and accessories including 2 Nos GLS lamp of 100 watts and fixing arrangement complete all as specified and directed by Engr- in -Charge.Make-Bajaj,Cat No-BJAOL 2 BC

Labour only for lifting/lowering of U/S 15/20 HP capacity submersible pump set from tube well after disconnecting the electric supply and taking out one by one all column pipes flanged type 80 mm/bore each or suitable size pipe length 6.15 mtr long keeping serviceable fittings in safe custody for reuse/removing U/S materials from site/ making good disturbed surfaces and carrying submersible pump set to nearest repairing workshop including brought back after repair work and lowering the same after replacement unserviceable spare parts such as cloumn pipes flanged type 80mm dia and fixing with new rubber gasket/nuts/ bolts/washers of suitable size etc. including connection of electric supply to motor, testing/commissioning etc. complete all as directed and specified by Engr-in-Charge. Note. : Replacement of Column pipes shall be measured and paid seperately under respective item.

Dismantling carefully submersible motor 15/20 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 specified and directed

Dismentling carefully submersible pump 15/20 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 underviceable spare parts all as directed . Note :- Materials required for replacement will be measured and paid separately.

Galvanised iron column pipes heavy duty 80 mm dia bore, 6.15 M long each pipe both end threaded, fixed with two Nos galvanised iron flange on both end, including welding ( both inside and outside) and drilling holes on flanges as per existing size/ granding etc.

Supply only the following Submersible Pump set spare parts :- (a) Pump shaft suitable for submersible pump any type 6 to 8 stages 20HP capacity. (as per sample)

(b) Gun metal impeller Make- Calama

(c) Impeller bushing , Make- Calama

(d) Stage casing suitable for submersible pump 20 HP cap. Make- Calama

(e) Carbon thrust bearing with pressure plate Make- Calama

(f) Thrust bearing housing Make- Calama

(g) Thrust bearing segment

Dismantling by lifting of vertical turbine pump set of capacity 45 HP complete including gear head,,motor,oil tube,discharge head, tension nut assy, line shaft bearing, line shaft,pipe coupling, column pipe, line shaft coupling bowl shaft, discharge case, bowl bearing, impeller & suction case with help of chain pulley and repair and refixing the same in position by using following spares and lowering to provide greasing,overhauling complete all as specified and directed. (a) 2.5 inch bronze screw bearing.-04 NOS (b) Adaptor of Bowl -01 nos (c) 2 3/16 oil seal -02 nos (d) 1 11/16 X 10' MS Shaft -01 nos (e) 1 11/16 X 5' MS Shaft -01 nos (f) 2.5" T.T nipple -01 nos (g) T.T Nut Bush GM -01 nos (h) 18" X 2.5" spider -02 nos (j) Adapter Bearing -01 nos (k) Shaft Coupling -04 nos (l) Bowl Bush GM 2.5" -01 nos (m) Suction case Bush GM -01 nos (n) SS Top Shaft -01 nos (o) S S LineShaft -01 nos (p) SS Pump Shaft -01 nos

Overhauling/ maintenance to chlorination dozing plants sodium hypo chlorite solution type of any make & model, including repair of unserviceble motor, repairs to pump etc for complete serviceability of system, complete all as specified and directed by Engr- in - Charge. The following item of Chemical dozing system below. (a)Socket Head Bolt M6x25 cks-01 nos (b)Spacer-01 nos (c)Spacer gasket-01 nos(d)Spring plate-01 nos (e)Piston-01 nos (f)Housing FP-01 nos (g)Housing FRP-01 nos (h)Solenoid coil body-01 nos (i)Solenoid coil -01 nos (j)AI. Holder-01 nos (k)adjustment shaft-01 nos (l)pulser assembly-01nos( m)speed knob-01 nos (n)stroke knob- 01nos (o)Grommet- o1 nos (p)power card (2mtr with plug)-01 nos (q)cable lock nut- o1 nos(r)3/16" x 1/2" screw- o1 nos (s)fuse assembly - o1 nos (t)Fuse -01 nos (u)Injection check valve(NRV) -01 nos(v)LDPE pipe - 01 nos (w)Discharge valve only - 01 nos (x)Discharge valve assbly & air release system combined - 01 nos (y)Head PVC - 01 nos(z)Pan Head screw 3/16 x 3/4" - 01 nos (aa)Diaphragm(teflon faced) - 01 nos (ab)Suction valve only - 01 nos (ac)Foot Valve assembly - 01 nos(ad)Strainer for Foot valve- 01 nos(ae)Coupling Nut - 01 nos(af)Ball ceramic- 01 nos9ag)NRV spring- 01 nos(ah)Ring Seal(Teflon) - 01 nos

S&F for fully automatic star-delta starters in sheet-steel enclosure type ML 4F FASD with single phase protection feature suitable for 45 HP Motor, 33.58 KW, rating AC-3 , 380V, 50 Hz 3 phase, relay max range 45-65Amp after taking down old unserviceable starter complete all as specified and directed. Make :L& T,Cat No-CS96009COKO

M&L in replacement of unserviceable submersible cable 3 core copper conductor 6 sqmm.Make-POLICAB/FINOLEX/HAVELLS/HPL Note:-The contract sum shall be arrieved at after deducting amount of schedule of credit from the total quated amount.

M/S. R.D. Construction

M/s. Rakesh Roshan