Kerala Water Authority Tender

Appendix A: Supply and Installation of HT VT motor pumpset having discharge 2736m3/hr and total head of 42m at RWPH

OD292125/2023-2024:Supply Erection Commissioning of ISI marked KWA approved -Single Stage model make water lubricated vertical turbine pump set with bronze impeller, stainless steel shaft supported by anti friction bearing, MS flanged column pipe assembly (maximum length (20m)and painted with zinc chromate primer and anti corrosive paint two coats.) with necessary non reversible ratchet arrangement, water cooling system for bearing assembly and all accessories conform to relevant IS codes. The pump set shall be coupled with motor specified below in new foundation. The pump shall confirm to the following specifications as given below: The pump shall suit the existing/new foundation of KBL co. Make BHR 70 M,-single stage pump set in PWPH/RWPH to act as standby set for existing four pump sets. PUMP:- Vertical Turbine type , Discharge -2736 m3/ Hour , Total head -42 M, Speed 960 RPM, Head rise to shut off - 70 m, NPSH required - 0.50 m, Direction of rotation - clock wise , Well depth - 20 M, Types of installation above floor, Bowl efficiency -90%, Minimum submergence of bowl-2500mm , No. of stages - 1,Liquid handled- Raw water, Temperature -45 degree Celsius, Pump type-vertical turbine non pull out, Solid size-3mm, Internal head loss-0.3m Impeller Details : impeller material - BR IS :318 Gr- LTB-2, Impeller diameter minimum size - 620 mm , Impeller diameter maximum size - 775 mm , Impeller diameter rated m size - 623 mm , Impeller guide piece materials - ST ST.ASTM A+S49/M-CFM , Impeller Nut material - BR IS :318 Gr- LTB-2, Discharge Head Details material MS - IS:2062 Fe WA ,Delivery end dia -- 600 mm , Motor stool Head Details - material MS - IS:2062 Fe WA , Colum pipe , taper and distance Colum details :,materials - MS. IS:2062Fe4-10WA,size 600 mm ,Transmission shafts details –,Materials for Int. shaft, n shaft, Head shaft, Impeller shaft and sleeves Key and Muff coupling etc-- ST.ST.ASTM A - 276-410 ANLD, shaft dia shall not be less than 85mm,Bearing details - Materials for Bowl bearing spider Bearing -Neosprime with brass shell, Motor & Pump coupling details:, Materials for pump coupling - CS ASTM 105 forged , Material for coupling pin, bearing Nut lock nut - CS IS 1570-40C8 Hot RLD, Ratchet details : Materials for Ratchet cover and pin coupling - CS . IS 210 FG forged Thrust bearing type and size - Anti friction 29332E , material for journal bearing - CI FG 260 with lead base BABBIT<br> material for Thrust collar , Bowl and Bell mouth - CI IS 210FG260 <br> material for cooling pipe CU IS250/IS191P-V ANLD<br> delivery flange details - Flange OD - 750 mm, Flange ID - 600 mm , Flange No of Holes - 20 mm in hole size 31 mm,<br>Pump shaft size - 85 x 22 x 90 x 190 mm suction strainer (heavy duty) -1 nos(minimum 6mm,304 grade SS rod with full SS frame and nut bolts)<br>MOTOR: Supplying, erecting, testing and commissioning Schneider/ABB/Crompton/ BHEL / Equilent kwa approved make , IE3 or higher squirrel cage induction ,Totally enclosed fan cooled CACA , vertical solid shaft motor suitable for direct coupling with the above pump having RPM 960 or nearest capable to operate on voltage of 6.6 KV (+/ - 10 % ) 50 HZ,(+ /- 3% ) AC 3 phase, 50 degree Amb. temp rise ,Class F insulation, IP 55 degree of protection , with all standard accessories .PT 100 simplex type RTD's, . 6 Nos- PT 100 Duplex type bearing RTDs, 2 Nos -, preset, trip, reading bearing temperature meter for both bearings- space heaters conforming to relevant IS and IE rules . Efficiency : Minimum 90 % (Motor shall be energy efficient and supporting certificates to prove IE3 or higher as per IS 12615-2018 )-1Nos. STARTER: Supplying, erecting, testing and commissioning of fully automatic 6.6 KV FCMA Neutral soft starter control panel complete consisting with dust and vermin proof powder coated 3 mm thick steel, sheath for floor mount anti chemical paint coated panel board with following necessary parameters (1) off load Isolator (2) ,main 3 pole Vacuum contactor,(3) By pass Vacuum contactor , (4) programmable motor protection relay Micom 220 Schneider make for main protection-1no, additional fail safe ,motor protection Relay(C&S make Mpro100 or equivalent make-1no, (5), surge suppresser 3Nos 7.2KV (6)Current transformer for protection,( Bar current Transformer type),100A-15p10 (3 nos) separate class 1 window type current Transformer for metering 3 nos, 200/5A Class 0 .5 Current transformer for metering (7) HRC control fuses (8) 4KVA 6.6KV /110V rated PT for Starter control supply (9) 100 VA PT 6.6 KV/ 110V voltage indication, (10)single phasing preventer (11) Ammeter for starting current , (12)Voltage, ampere, frequency, power factor meter (1 Nos.) (13) soft starter unit , (14) neutral CT device, (15) Display indicators and (16) FCMA Panel Temperature supervision control relays to be connected in the starter components of Starter function (17) DC rectifier unit (18) 12E 110V <br> magnetic contactors for control (19) ON OFF Tripp healthy LED indicators conforming to relevant IS and CEA regulations ( starter function should be controlled from the internal PT. voltage )motor , Anti condensation heater controlled by start interlock & on delay timer (10 minute)- 1Nos,remote start stop/option, panel over temperature tripping relay with PT-100 probe(2 NOS).10 pair 1.5mm2 armored instrumentation cable for RTDS30mts,2.5mm2 armored two core cable for anticondensation heater, Trip announciating electronic heater provided with acknowledge push button,<br>CAPACITOR: Supply of make ISI marked 215KVAR, 6.6 KV capacitor conforming to IS 2834 (relevant IS) from KWA approved reputed manufactures like ABB,crompton, Shreemetc suitable for above motor for working with unity power factorwith capacitor duty HRC fuses , capacitor over current protection relay, Capacitor enclosed in starter panel -1No<br>VALVES: Supply of suitable size best quality ISI marked 600 mm size heavy duty cast iron double flanged sluice valve PN 1.6 suitable for above pump set ( to be suited existing foundation and inlet, outlet connections ) factory fitted detachable multi turn electrical actuator having following specifications and conditions :- 415V 3Phase 50Hz S2 duty serviceable 3Phase motor ,torque switches ON/OFF indications manual override hand wheel remote start/stop facility ,integrated starter etc. Actuator should capable for operating 600 mm sluice valve at 4.8kg/cm2 line pressure and time of duration required to fully open to fully close is not greater than 15 minutes -1No. Supply of suitable size best quality, ISI marked heavy duty cast iron 600 mm size double flanged reflex Non Return Valve as per PN 1.6 suitable for above pump set ( to be suited existing foundation and inlet, outlet connections )-1no<br>Supply reputed make 150 mm dia Fluid filled pressure gauge with Regulator cock and all accessories suitable for the above pump set -1set<br>CABLING: Supply of size 185sqmm PVC XLPE 7200V Gr insulated armored copper conductor cable conforming to relevant IS for giving power connection starter to motor etc. complete as per standards including end termination materials as per CEA regulation-45 M<br>Supply and providing 25x6 mm copper conductor with required materials for earthing the motor ,starter, capacitor etc as per CEA regulations -1Lot<br> Providing plate earthling using 1200mm x 12 mm size CI earth plate buried against at a depth of 3.00m from ground level with alternate layers at charcoal and salt including supplying fixing at 40mm dia perforated GI pipe funnel for water purpose etc. including the construction of masonry trough with man hole cover for motors, starter, capacitor and panel board etc. as per CEA regulations. 1 Job<br>ERECTION: Erection of the motor, pump set, starter panel boards, capacitors etc. on suitable concrete foundation with pump base plate giving power connecting cables to panel board to starters, starter to motor, capacitors, providing end termination, earthing of equipment supply fitting necessary pipes and specials to connect the delivery of pump set to the header pipe by necessary interconnection and fabrication etc. complete including taking trial run to the satisfaction of departmental officers including any other works and cost of materials required for the commissioning of the motor/ pump set as per standards including the rate for high voltage installations- 1No.<br>Motor R.T.D/P.T.C temperature scanner with over temperature trip facility.Remote start/stop facility provided near the motor.Emergency stop facility near the motor.Anti condensation heater controlled by MCB’s with anti condensation heater on indication lamp and ammeter (indication lamp sized ) for Knowing heater current. Panel must have anti condensation panel heater with auto thermostat.Panel temperature over heating tripping relay (with PT 100.Seperate three segment digital ammeter provided such a manner R,Y,B Current shows simultaneously.Soft starter must limit the starting current of motor into 2-4 times of its full load current.Trip announciating electronic buzzer, provide with acknowledge push button 10 Pair 1.5 mm² Armored instrumentation cable for R.T.D/P.T.C 30 Meters 2.5 mm² Armored two core cable for anti condensation heating 15 meters 1.5 mm² Armored four core cable for capillary meter gauge, remote start stop(30 Meter) and including charges for erection, cabling, earthing, commissioning of 6.6KV FCMA starter and panel board to starter & starter to motor cabling work(cable work complete) earthing and termination and allied works. Charges for erection ,commissioning of new vertical turbine pump set with the supervision of Authorized pump manufacture's Site Engineer concerned

OD292129/2023-2024:Charges for dismantling, existing 600 HP No3 Kirloskar make BHR 70 m model VT pump, dismantle 600mm nominal bore flanged delivery bend from, existing installation, remove 600mm sluice valve,600mm reflex valve, dismantle pump coupling, bearing box and its associated parts, gland stuffing box assembly, bearing and cooling assembles,7+1 nos column pipes with its shaft spider bearings, bowl assembly, suction strainer without any damages etc with its rivers engineering manner and taken away the dismantled parts in to workshop. including all loading and un loading charges, tools rent, special equipment rent with all incidental charges etc complete