REPAIR AND MAINTENANCE OF 125 KLD CAPCITY DESALINATION PLANT AT AERIAL BAY UNDER GE (S) DIGLIPUR

Amount

Excavation in trenches, n exc 1.5m wide and n.exc 1.5m in depth, for foundation, etc. or Cum for shafts, wells, cesspits, manholes, per, pier holes, etc. n.exc 10 sq m on plan and n. exc 1.5m in depth and getting out complete all as specified and as directed.

Returing, filling, including spreading, levelling, watering and well ramming in layers not Cum exc 25cm. complete all as specified and as directed.

Removing excavated material n. exc. 50m and depositing where directed at a level n exc. 1.5m above the starting point complete all as specified and as directed.

Supply, laying, fixing and testing 3- layer PP-R Polypropylene random copolymer concealed pipes SDR 7.4 (PN16) UV stablized and antimicrobial fusion welded having thermal stability for hot & cold water supply all PP-R plain & brass theaded polypropylene random fittings of size of outer dia 75 mm (inclding bend, elbow, reducer, socket & Tee etc) laid in trenches complete all as specified and as directed.

Supply, laying, fixing and testing 3- layer PP-R Polypropylene random copolymer concealed pipes SDR 7.4 (PN16) UV stablized and antimicrobial fusion welded having thermal stability for hot & cold water supply all PP-R plain & brass theaded polypropylene random fittings of size of outer dia 63 mm(inclding bend, elbow, reducer, socket & Tee etc) laid in trenches complete all as specified and as directed.

Making connection of PP-R distribution branch with PP-R main by providing and fixing tee including cutting and making fusion joints etc, outer dia size of pipe in 50mm to 75mm complete all as specified and as directed.

Supply and fixing PP-R gate valves (brass insert) outer dia of pipes is 63mm complete all as specified and as directed.

All as per item no 7 but 75mm

All as per item no 7 but 110mm

Supply and fixing Sluice Valves, flanged of class 1.6 PN, 100 mm dia complete all as specified and as directed.

All as per item no 10 but150 mm dia

Supply and Fixing high density polyethylene pipes (HDPE) of outer dia 160mm and inner dia 150mm size pressure rating 6 Kgf/cm2 to 20 kgf/cm2 fixed complete all as specified and as directed.

All as per item no 12 but inner dia 100mm size

Supply and fixing UPVC Pipe of size 100mm dia complete all as specified and as directed.

All as per item no 14 but size 75mm dia

All as per item no 14 but size 65mm dia

All as per item no 14 but size 50mm dia

Supply, fixing/laying of CPVC pipes and fittings any grade in trenches of outer dia 25mm complete all as specified and as directed.

Supply and fixing butterfly valves of size 100mm dia conforming to IS-13095 complete all as specified and as directed.

All as per item no 19 but size 80mm dia

Supply and fixing stop/gate valves, cast copper alloy, 15mm dia, screwed down, high pressure, with crutch or butterfly handle, screwed both ends for iron pipe or for unions and fixed complete all as specified and as directed.

M & L for Brick work with fly ash old size bricks straight or curved on plan exc 6m mean radius in mud mortar complete all as specified and as directed.

M & L for preparation of old painted steel surfaces or cartridge filters of any description otherwise discribed over10cm in width or girth and applying tow coat of synthatic enamel paint on steel surfacs complete all as specified and directed.

M&L for replacement of rusted supporting channels with Cross arms, bracings, supports, clamps and back plates fabricated from structural steel sections including nuts, bolts, washers, welding, bending cold or hot, drilling holes for bolts, in any shape or size as indicated or directed and inclusive of one primer coat, one under coat and one finishing coat of paint all as specified and directed.

Supply and fixing mild steel/SS bolts, purpose made, with hexagonal or square head one end and screwed the other, or screwe both ends complete all as specified and as directed.

M & L for Earthing complete with copper earth plate electrode 600×600× 3.15mm thick, buried directly in ground (earth pit not less than 2.25 metres deep below ground level) with top edge of the plate not less'than 1.5 metres below normal ground level, connected to copper earth strip 20x3mm by means of bolts, nuts, check nuts and washers of galvanised iron or steel all as shown in electrical plate No. 3 connected to earthing test point all as specified or indicated including testing on complete all as specified and as directed.

M & L for Earth continuity conductor or main earthing lead fixed to wall on batten or recess or chases or buried in ground or drawn in conduit/pipe or fixed to poles or any other indicated situation for loop earthing etc. as required copper strip 20x3mm complete all as specified and as directed.

S & F in replacement of chlorination dozing pump having stroke speed ranges from 1 to 100, 230Volts, 50 Hz, Max flow 4.0, Max press 5.5 as per exisiting complete all as specified and as directed. Make M/s Milton Roy India model UC11PP or any other equivalent as directed by accepting officer

S & F in replacement of chemical mixing pump having stroke ranges from 1 to 100, 230Volts, 50 Hz, Max out put-17 LPH, Max PRE 3.5 kg/cm2) as per exisiting complete all as specified and as directed. Make M/s Milton Roy India model B-13LPP or any other equivalent as directed by accepting officer

S & F in replacement of auto manual rotary switches with centre off 1/2/3 pole 2Way suitable for panel mounting complete all as specified and as directed. Make L&T or equivalent recommended by OEM

S & F in replacement of isolator rotary type switches 1/2/3 pole on off suitable for panel mounting complete all as specified and as directed. Make L&T or equivalent recommended by OEM

S & F in replacement of LED panel mount indicator lamps red/yellow/blue/green complete all as specified and as directed. Make L&T or equivalent recommended by OEM

Supply and fixing Auxiliary contactor of capacity 45 Amps, 3 pole , 415 Volts , model No- Mo-25 of L&T complete all as specified and as directed.

Supply and fixing Auxiliary contactor of capacity 100 Amps, 3 pole , 415 Volts , model No- Mo-70 of L&T complete all as specified and as directed.

Supply and fixing Auxiliary contactor of capacity 30 Amps, 3 pole , 415 Volts , model No- Mo-9 of L&T complete all as specified and as directed.

Supply and fixing Auxiliary contacts of capacity 9 Amps, 3 pole , 415 Volts , model No- MNX-9 of L&T complete all as specified and as directed.

Supply and fixing Auxiliary contactor of capacity 1 to 13 Amps, 3 pole , 415 Volts , reset contacts of L&T complete all as specified and as directed.

S & F in replacement of upply and fixing of electric pneumatic actuator, linear motion vlave cat No ETY9020020A/RD5012005000000 of make-Revo (as per existing in plant) complete all as specified and as directed.

Supply and fixing MCCBs 415 Volts, 125 Amps,C series, 16 KA, 4 pole complete all as specified and as directed.

Supply and fixing MCCBs 3 pole, 415 Volts, with microprocessor release 250 Amps with breaking capacity 36 KA complete all as specified and as directed.

Supply and fixing 250 Amps 4, pole, 415 Volts manual change over switch for open execution complete all as specified and as directed.

Supply and fixing 240 Volts, 10 KA 'C' curve miniature circuit breaker (MCB) of SP 6 to 32 Amps current carrying capacity in the DB complete with connection testing and commissioning complete all as specified and as directed.

All as per item no 45 but SPN 32 Amps

All as per item no 45 but SPN 40 to 63 Amps

Supply and fixing 415 Volts, 10 KA 'C' curve miniature circuit breaker (MCB) of TP 25 to 63 Amps current carrying capacity in the DB complete with connection testing and commissioning complete all as specified and as directed.

All as per item no 48 but TPN/FP 16 to 32 Amps

All as per item no 48 but TPN/FP 40 to 100 Amps

Supply and laying of DWC (Double corrugated)< HDPE pipe ISI marked IS-14390 Part-II, of outer dia 90 mm and inner dia 75 mm with smooth internal and profied external surface for non pressure under ground cable including all connected accessories like coupler "O" ring etc, for protection of cable complete all as specified and as directed.

Supply and fixing LED flood Light 170 watts 230 volts AC outdoor type with thermal management in multiple optics and equipped with IP66 protection, with impact and corrosion resistant complete with driver complete all as specified and as directed.

Supply and laying 40mm dia Tubes, lightgrade, galvanised with all fitting , laid in trenches/used as a garden light poles as per requirement complete all as specified and as directed.

Supply and laying XLPE insulated, armoured heavy duty electic cable with aliminium conductor, 1100 volts grade, cross-sectional area 95 sqmm X 3.50 core complete all as specified and as directed.

All as per item no 54 but area 35 sqmm X 3.50 core

All as per item no 54 but area 16 sqmm X 4.0 core

All as per item no 54 but area 10 sqmm X 2.0core

M&L for PCC 1:4:8 type D2 using 40mm graded aggregate for pole / struts foundation etc all as specified and directed.

M&L for cement concrete in foundation filling and mass concrete using PCC (1:3:6) type C2 for foundation of 9 mtr steel pole complete all as specified and as directed.

M&L for PCC 1:2:4 type B1 using 20mm graded aggregate for coping and foundation including necessary form work and fair finishing of exposed surface of concrete all as specified and directed.

S & F in replacement of AC drive(VFD device) smart series Sx 2000 as per existing model and make suitable for desalination plant including testing after fixing complete as specified and directed. Make L&T/Inovance or equivalent as per OEM recommendations

S & F in replacement of pressure switch 9 Bar, 15Amps, 240 V as per existing model all as specified and directed. Make M/s Switzer prince or equivalent as recommended by OEM

S & F in replacement of panel mount PH/ORP/conductivity instrument meter 4000 series complete with necessary connections, relay/sensors all as per existing system specified by OEM and directed by Engr-in-Charge. Make Indion or equivalent make as recommended by OEM.

S & F in replacement of panel mount Ammeter/Voltmeter LED type 3 ph with accuracy class 1.0 flush mounting 96x96mm complete all as specified and directed. Make L&T/as recommended and specified by Engr-in-Charge

S & F in replacement of rotameter, acrlylic plastic body 2000 to 20000 LPH range complete all as specified and as directed. Make UKL or recommended by OEM

S & F in replacement of cross linked fully automatic polyamide composite spiral wound element, High performance Sea water mambrane all as per existing complete all as specified and directed. Make M/s Ion Exchange Model HM 8040-SWE-400 or equivalent as recommended by OEM

M& L for cleaning , inspection of underwater sea water intake header/stainer of desalinatio plant located at 800 mtr inside the sea from plant room at a maximum depth of 10 mtr, removing from sea bed level, lifting up, dismentaling, cleaning of srainer screen, assembling, priliminary testing, lowering up to sea bed level positioning/ refixing header with strainer to sea water intake pipe line at sea bed level including hiring charges of motorized Boat/Dighies as and hiring the services of specialized drivers along with all necessary specilized diving equipment for underwater operations with safetly equpiment all as specified and direction by Engr-in-charge.

Supply and fixing and testing of SS 361 agitator (as per old existing at plant) suitable for 125 KLD desalination plant complete, including taking down the old unserviceable agitator complete all as specified and directed.

Supply and fixing of 8" side entry adaptors of pressure tubes suitable for 80x40 size membrane all as specified and directed by Enr-in-charge.

S & F in replacement of dosing pump pipe of size 1/2" as per site required complete all as specified and as directed.

M & L for preventive maintenance of following motor, pump sets by cleaning stator and rotor windings with CTC solution, reinsulating the motor winding with best quality varinish, heating and servicing by replacing old gland packing, greasing in bearing etc including dismentaling and separting of motor from pump set and refixing back after complete overhauling all as specified and directed :- (a) Sea water intake centrifugal pump-02 Nos (b) High pressure pump-01 No (c) Raw water pump -02 Nos (d) Filter feed pump -02 Nos Note : Inspection and servicing 125 KLD desalination plant for both prev pumps and maintenance by service engineer team of Ion Exchange(I) Ltd(OEM)/ autorised dealer complete per every three months all as specified and directed.

Supply and fixing of PVC end connector for 80x40 membrane complete all as specified and as directed.

Supply and fixing of pressure tube end ports 'O' rings suitable for 80x40 membrane complete all as specified and as directed.

Supply and fixing Membrane End Cap suitable for 80x40 membrane for 125 KLD complete all as specified and as directed.

S & F of gasket for victaulic coupling of pressure tube of 80x40, incl taking down old unserviceable gasket complete all as specified and as directed.

Supply and fixing SS pipe joint rubber gaskt for 40mm & 50mm dia pipe complete all as specified and as directed.

Supply and fixing in replacment of water tight wedge type through bore flanged gate valve of duplex steel MOC, sitable for sea water application with all supporting arrangements of size 150mm NB complete all as specified and as directed.

Supply and fixing in replacement of water tight wedge type through bore flanged gate valve of duplex steel MOC, sitable for sea water application with all supporting arrangements of size 100mm NB complete all as specified and as directed.

M&L for filter media of 125 KLD desalination plant multi grade filter, ACF(approx qty of silica sand filter media-1600 kg, pebbles-1200kg, activated carbon-550 kg etc by service engineerof Ion Exchange (I) Ltd/autorised dealer including existing carefully taking out the filter media complete all as specified

Supply and fixing of anchor blocks of shape and size as per existing at site for 100mm dia HDPE pipe complete all as specified and as directed.

Supply and fixing in replacement of compressor complete (as per old existing at plant) powe 2.5 HP, tank 50 Ltrs, single phase 220 volt, testing after fixing complete all as specified and as directed.

Supply and fixing in replacement of dewatering pump of 1.0 HP with motor complete including testing after fixing complete all as specified and as directed.

M&L for rewinding of the electric motor of 15Hp capacity high pressure centrifugal pump set duly disconnecting (elctric/water connection) and taking down electric motor (mono block/centrifugal) from the existing position and inspecting the same, transporting to workshop for repairs and bringing it back. Cutting and removing the burnt out winding conductors, rewinding the same with same gauge and weight of insulated super enamelled copper conductor and providing cotton insulated sleeves, varnishing, drying, refixing in position checking the alignment along with pump set connecting up with the electrical and water line connection system, testing and commissioning complete all as specified and directed.

All as per item no 83 but motor of 10/12 HP capacity

All as per item no 83 but motor of 5 HP capacity

Kakolil Trade Agencies (BID ID -3498058)

MANU CREATIONS (BID ID -3496919)

MOHAMMED SAFIQUE (BID ID -3504518)