REPAIR/ REPLACEMENT AND REWIRING OF SUBMERSIBLE PUMP / CENTRIFUGAL PUMP AND REPAIR /REPLACEMENT OF MOTOR CONTROL PANEL INCLUDING SUPPLY OF CHEMICAL FOR WATER SUPPLY INSTALLATIONS AND ALLIED WORKS AT 6WG UNDER GE (AF) BARRACKPORE

Amount

Supply only bleaching powder stable of 33% chlorine all as specified.

Supply only Soda Ash ( caustic soda 100% pure) for Iron removal soda dozing plant all as specified.

Supply only calcium hypochloride 65% to 70% chloride content in chlorine in granular for water treatment form in factory sealed HDPE container of 45 Kg each Note: Original certificate of compliance and authorization from the manufacturers including contact No & Date,batch No/manufacturer date /SI No and specific contractors Name & Address.

S&F for 100mm dia water pressure gauge (1-10 Kg/Cm2) ISI marked complete all as specified and directed

S&F Dosing Injector Max Pressure 10 Kg/Cm square & Max flow rate 10 Ltr/Hr with complete accessories like lead, NRV, tubing, check valves etc with the following specification all as specified and directed.

Disconnecting of electric cable from the panel board and taking out burnt submersible pumping set of capacity 10 hp to 25 hp by using chain pulley arrangement by dismantling 100/150 mm dia MS/CI column pipe. Note : The rate are included for Transporation of pumping set from one place to another place for repair and return to pump house after repair all as specified and directed by Engg-in-charge .

Taking out the pump from the motor and opening of submersible pump for repair and replacement of following u/s parts including re-fixing of all the same and testing and commissioning complete all as directed. (a ) Replacement of head.

(b ) All as per item no 7 but Replacement of gun metal bowl bush.

(c) All as per item no 7 but Replacement of CI impeller.

(d ) All as per item no 7 but Replacement of impeller bush.

(e )All as per item no 7 but Replacement of Discharge case bush.

(f ) All as per item no 7 but Replacement of oil seal .

(g ) All as per item no 7 but Replacement of shaft sleeve.

(h) All as per item no 7 but Replacement of shaft nut.

(i ) All as per item no 7 but Replacement of sand guard.

S&F stuffing box bearing of pump as per existing complete all as specified and directed.

S&F stainless steel pump shaft coupling as per existing complete all as specified and directed.

S&F stainless steel pump shaft of pump as per existing complete all as specified and directed.

Rewinding of submersible motor with super enameled copper wire including removing burnt winding cleaning of slots separation of rotor and starter making insulation to all joint and replacement of the following u/s parts of motor and testing and commissioning complete All as specified and directed by Enggr-in- charge. Note: Spares parts shall be measured and paid separately.

(a ) All as per item no 19 but Replacement of bearing bush upper.

(b ) All as per item no 19 but Replacement of bearing bush lower.

(c) All as per item no 19 but Replacement of balancing ring.

(d ) All as per item no 19 but Replacement of jointing kit.

(e ) All as per item no 19 but Replacement of oil seal .

(f) All as per item no 19 but Replacement of gun metal rotor housing bush.

S&F stuffing box shaft with stud holes of motor as per existing complete all as specified and directed

S&F stainless steel pump shaft coupling of motor as per existing complete all as specified and directed.

S&F open type impeller made of CI as per existing complete all as specified and directed.

Lowering of the submersible pumping set by using the chain pulley arrangement with fixing of column pipe of size 150mm dia, including nut, bolts, washers, and rubber gasket in replacement. And tightening of submersible cable with pipe and connected of submersible cable from existing panel board. complete all as specified and directed by Engr-in-charge.

S&F Direct-on-Line Starters in Sheet-Steel Enclosure Type MKI for Motor Rating 7.5 HP , AC-3 Duty, 415V, 50Hz suitable for three phase supply.

Repair, servicing, and overhauling, of Air compressor and replace the parts as under which is unserviceable all as specified and directed by Engr-in-charge. Note: Spares parts shall be measured and paid separately

(a) All as per item no 31 but Sluice valve of dia 15mm.

(b) All as per item no 31 but Bearings

(C) All as per item no 31 but Backup ring

(d) All as per item no 31 but Pressure Breaker for Radial ring

(e) All as per item no 31 but Tangent ring

(f) All as per item no 31 but Gasket

S&F for three core flat copper cable, PVC insulated, PVC sheathed for submersible pump set 1100 volt 16 sqmm size after taking down the old UNSV copper cable complete all as specified and directed.

M&L for Cleaning and servicing of under ground Sump by using wire brush, removing the deposited silt, debris at the bottom manually suitable for drinking water, inside the tank (area of tank approx 36 Sqm) etc complete all as specified and directed by Engineer-in-Charge.

M&L for repair and maint of star delta Starter of any capacity after disconnecting of incoming / outgoing connection, checking the serviceability of all components i.e existing contactors, Over load relay, timer, single phase preventer, indicator lights, replacement of burnt out PVC insulated copper wire, copper thimble, re-connect the same after throughly clean and testing all as required and directed at site. (NOTE : Spare parts shall be measured and paid separately under respective items of this schedule.)

(a) Replacement of contactor of capacity 40 Amp, 3 Pole, 415 Volt, AC rating 3, Type MNX 40 including auxiliary contact block NO & NC.

(b) Replacement of thermal overload relay of range 24-40A.

(c) Replacement of star delta timer adjustable type from 3 to 120 sec.

(d) Replacement of single phase preventer, SPPR type SDz5, 380V, (For MU-G30/40/50/75)

Repair, servicing, and overhauling, of Altoc dozing pump and replace the parts as under which is unserviceable and refixing the same all as specified and directed by Engr-in-charge.

(a)All as per item no 45 but NRV (Injection Check Valve)

(b) All as per item no 45 but NRV (Injection Check Valve) Spring

(c) All as per item no 45 but Diaphragm (Teflon Faced)

(d)All as per item no 45 but Solenoid coil with body.

(e)All as per item no 45 but Pulsar circuit

(f) All as per item no 45 but Ring Seal

(g ) All as per item no 45 but LDPE Pipe

(h) All as per item no 45 but Discharge/Suction Valve Assembly

(j) All as per item no 45 but Foot Valve Assembly

Repair and rewinding of Altoc dozing motor of any size with super enamelled copper wire including burnt winding and replacement of the parts as under which is unserviceable and refixing the same all as specified and directed by the Engr-in-charge.

(a) All as per item no 55 but for Pump tube

(b) All as per item no 55 but for Duck bill

Dismantling the pump set up to 5HP capacity for fountain from the position/base plate by disconnecting the electrical connections and GI tubing etc for repairs to impeller and re-fixing/connecting the same after the following repairs at work shop complete all as specified and directed. Note: spares shall be paid and measured separately under relevent items

(a) Removing/replacement of worn out ball bearing of the pump set by providing new ball bearing, greasing etc complete all as specified and directed.

(b) Removing/replacement of existing unserviceable worn out High tensile steel shaft of the pump.

(c) Removing/replacement of broken/cracked cast iron pump body (outer case) complete by providing new one.

(d) Replacement of pump MS base frame complete.

(e) Replacement of MS pump coupling complete.

(f) Replacement of rubber star coupling complete.

(g) Replacement of Motor terminal box complete.

BHAUMIK CONSTRUCTION

KUMAR ENTERPRISE

M/S A. J. CONSTRUCTION

NC BOSE AND CO

SITARAM CONSTRUCTION

M/S. TAPAS ENTERPRISE