Tender For Comprehensive Maintenance Of Filtration Plant At Af Stn Nal.; 1 Material and labour for Annual comprensive maintenance of a filtration plant comprising the following equipments complete all as specified and directed.(a) Raw water Jack well -01 No(b) Low lift pump sets 7.5 HP x3and control panels -01 set(c) Receiving Chamber -01 No(d) Flash mixer chamber including motor, control panel - 01No(e) Clari flocculator tank complete with motor and control panel -01 No(f) Sand and gravel filter bed - 03 Nos(g) Alum dosing & soda mixing chamber , pump set etc- 01 each(h) Sludge deposit well & pump set - 01 Each(i) Air compressor and connected items - 01 Set(j) Connected pipe line and sluice valves and accessories - 01 setNOTE :- (i)Rate quoted by the contractor shall deemed to be included for the following(ii) Grease and lubricating oil shall be provided by the contractor at his own end and nothing extra shall be payable on this account. (A) Weekly maintenance (i) Contractor shall provide trained technician and a helper, who will visit filtration plant once in a week,to check and repair / servicing of the eqpts aboveincluding back washing of sand bed to ensure the serviceability and proper functioning of filtration plant.(ii) Cleaningall filtration plant building inside, plant room,eqpts including surrounding area minimum for five meter all around of bldgs, chamber, jack well. (B) Monthly maintenance(i) Check and ensure serviceability of all centrifugal pump set connected to the filtration plantand made functional to ensure its proper functioning,and carry out greasing if required. 2 Note(contd)(ii) Check and ensure serviceability of the Alum dosing chamber ,cleanliness of the chamber andtop-up of oil in gear box , greasing in existing motorif required .(iii) Check and ensure proper functioning of clari-flocculator tank , agitator fan with bushes ,agitator gear box and motor and its relevant items , top-up of oil and grease if required , checking the control panel for its smooth functioning andits breeze movement .(iv) Check and ensure the functioning of flash mixer , and necessary top-uping of oil and grease in gear box and motorincluding control panels .(v) Carrying out necessary cleanness of the filter media . 3 NOTE:-(i) Replacement of MCCBs, power contactorshall bemeasured and paid separately under the relevant items of schedule.(ii) Rewinding of motor and repair of pump set shall be measured and paid separately if required.(iii) minor parts such as nut & bolt, welding works, cleaning materials, wiring of control panels, fuse / MCBs,star couple, bearing, pump shaft bush,including consumable items like gland packing, greasing etc other than Alum & Soda shall be provided by the contractor at his own end and nothing extra shall be paid to the contractor on this account.(iv)Periodical maintenance ie weekly and monthly shall be done in presence of JE (E/M), Also as and when the periodical maintenance will be commenced, contractor shall inform to AGE (E/M) and JE (E/M) one day before, so that necessary check and balance for supervision of work can be exercised by the executives.(v) In case any periodical maintenance is not carried out contractor in this case, he is liable to pay penalty as given below:- (a) For non providing weekly maintenance - Rs. 2000/- per each week (b)For non providing monthly maintenance - Rs 5000/- per each month(vi) On the particular month, when the quarterly maintenance is due as stipulated with item No. 2 here in after, no payment for monthly maintenance to be done and only weekly maintenance shall be carried out. Hence this aspect shall be kept in mind while quoting rates by the contractor. 4 Material and labour for Quarterlymaintenance of a filtration plantcomplete all as specified and directed.Note:- Filtration plant is consisting of the following(i) Draining of complete water from raw water jack well, cleaning manually by wire brushes , taking out mud , algae and other dust particles, re-cleaning with bleaching and lime mixed with water and drying, checking of all valves and accessoriescomplete all as specified and as directed by Engineer-in-charge.(ii) Draining of complete water from the clari-flocculator of size 5 m dia and 2.5 m deep(Approx) , cleaning manually by wire brushes , taking out mud , algae and other dust particles, re-cleaning with bleaching and lime mixed with water , cleaning off all flocculating motor shaft and blades complete all as specified and as directed by Engineer-in-charge.(iii) Draining of complete water from the raw water receiving chamber and flash mixer chamber, thencleaning manually by wire brushes , taking out mud , algae and other dust particles, re-cleaning with bleaching and lime mixed with water ,complete all as specified and directed by Engineer-in-charge.(iv) Cleaning the dosing chamber after taking out stainless steel-grill manually with wire brushes ,taking out dirt particles then cleaning withbleaching and lime mixed with water and refixing the grill complete all as specified and as directed by Engineer-in-charge .(iv) Cleaning of sludge disposal chamber by removing and spreding sludge 100 mtr away from the site as indicated and directed, cleaning connected under water pipes cleaning submersible pump and foot valve complete all as specified and directed by Engineer-in-charge. 5 NOTE:-(i) Filtration plant is consisting of the certain equipments/accessories through indicated under item No. 1 here in before, accordingly unit rate of this item includes the maintenance of composite filtration plant.(ii) Replacement ofcontrol valves, pipe line, NRV shall be measured and paid separately under the relevant items of schedule.(iii) Rate is inclusive for providingbleaching powder,lime with water for cleaning purpose. (iv)Before under taking the above maintenance, contractor shall arrange the sufficient man power and T&P required for Job well in time.(v) Date of quarterly maintenance shall be got fixed by AGE (E/M), 5 days in advance and entire quarterly maintenance of particular period of filtration plant shall be completed within two days to the satisfaction of Engineer-in-charge, in case work is not completed with in two days a penalty sum of Rs. 10,000/- per day basis for delay period shall be charged from the contractor. Record of the same will be maintained by JE/Engineer-charge. 6 M & L for Cleaning of filter beds 60000 ltr per hour by removing of accumulated sand/dust particles and unserviceable filter media from bottom of the filter beds and removing sludge/ wastage to 3 kms away from the station and refilling filter media back in to bed after thorough cleaning, however additional gravels required, shall be measuredand paid for separatelyas supply only complete all as specified and directed.Note : (i) Beds shall be cleaned manually to avoid any damage in the bed/ structure / piping system. (ii)Unit rate of this item includes the cost of removal including loading and un-loading in vehicle of existing filter media/ gravel through suitable transportation.Vehicle shall be provided by the contractor at his own end and cost.Filter media required for replacement if any shall be measured and paid separately.(iii) Before under taking the above maintenance, contractor shall arranged the sufficient man power and T&P required for Job well in time. 7 Supply only natural gravels of size 20-25mm complete all as specified and directed. 8 Supply only natural gravels of size 15-20mm complete all as specified and directed. 9 Supply only natural gravels of size 6-10mm complete all as specified and directed. 10 Taking down flash mixer motor of 2 HP, 3 Phase, 440 V by disconnecting from steel shaft & reduction gear arrangement and including repairing the motor by replacing the burnt winding, repairing the vertical down 3 inch centre 30/1 ratiogear box suitable for 2 Hp motor and re-fixing the same after changing suitable bushes, greasing, oiling changing its complete agitator frame , running and testing complete all as specified and directed. 11 Taking down agitator motor of 2 HP, 3 Phase, 440 V, with reduction gear and shaft, and including repairing the motor by replacing bearings, gears, repairing the vertical down 3 inch centre 30/1 ratiogear box suitable for 2 Hp motorand re-fixing the same, after oiling, greasing complete, running, testing complete all as specified and as directed. 12 Taking down flocculator motor of 2 HP, 3 Phase, 440 V, with reduction gear and shaft, and including repairing the motor by replacing bearings, gears, repairing the vertical down 3 inch centre 30/1 ratiogear box suitable for 2 Hp motorfixing the same, after oiling, greasing complete, running, testing complete all as specified and directed. 13 Taking down the defective components of flocculation tank (flocculation tank) parts by parts and then repair the same by carrying out the following jobs.(a) Repairing the 2 Hp motor by replacing bearings and gears ,fixing the same, after oiling, greasing complete, running, testing complete all as specified and directed by Engineer-in-Charge.(b) Replacement of breeze wiper and its holder with new one as per existing dimension - Number of set,(c)Replacement of agitator fans new one as per existing make & model,(d)Repairing of agitator gear box vertical down 3 inch centre 30/1 ratio gear with suitable for 2 Hp motors, slipering, carbon bushes, bush holder with cables and its connected items.- 1 Nos(e)Replacement of breeze movement gear box vertical down 3 inch centre 30/1 ratio gear vertical down 3 inch centre 30/1 ratio gear with new one suitable for 2 Hp motor - 01 Nos , chain gear,spockets,bearing,housing, sleeves, roller-02 nos,and its connected items.Note:(i) Contractor shall visit the site to ensure the repair of items and its make & model. Make & model shall be as per existing.(ii) All T&P required for repairs shall be supplied by contractor without extra cost.(iii) Unit rate of this item includes the cost of re-assembling/ re-fixing and get functioning of same perfectly to the satisfaction of Engineer-in-charge. 14 Taking down the iron grill for alum & soda dissolved , agitator gear box with motor and then repair the same by carrying out the following jobs(a) Supply and fixing Stainless steelwire mesh 2.5 x 2.8 feetsize , 4mm gap centre to centre, suitable dia & shape ,fixed to angle iron frame of size 40 x 40 x 4 mm connected through 40 mm bore GI pipe light grade of 12 m length and extended GI 40 mm bore handling pipe duly painted by one coat of synthetic enamel paint of desired and as directed tint over a coat of red oxide, complete all as specified and directed by Engineer-in-charge. (b) Repairing the motor by replacing bearings, gears, replacing the vertical down 3 inch centre 30/1 ratiogear box suitable for 1 Hp motor ,fixing the same, after oiling, greasing complete, running, testing complete all as specified and directed by Engineer -in-Charge.Note:(i)Contractor shall visit the site to ensure the repair of items and its make & model. Make & model shall be as per existing. (ii) All T&P required for repair of job shall be supplied by contractor without any extra cost.(iii)Unit rate of this item includes the cost of re-assembling/ re-fixing and get functioning of same perfectly to the satisfaction of Engineer-in-charge. 15 Taking out carefully submersible pump set (pump and motor) of any capacity and make from the bore well (400 ft-600ft depth) complete with column pipe and other connected parts and lowering the same after repair of the pump set and replacement ofnut bolts, gasket suitablesize all per requirementcomplete all as specified and directed. Note- (i)All T&P required for taking down and lowering of pumpset shall be arranged by contractor without extra cost.(ii) Repair to motor and pump / pump set and replacement of parts / spares shall be measured and paid for separately under respective item of this Schedule.(iii)After replacement of part/rewinding pumpset shall be tested to the satisfaction of Engineer-in-charge and nothing extra shall be admissible on account of extra man power required at site.(iv) Existing pumpset is installed at pump house at Nal village and Jawahar Park (Bikaner), therefore contractor shall visit the site of work before quoting their rates. 16 Dismantling rotor shaft of electric motor of capacity 15 to 20 HP and welding to bearing size of rotor, checknut of rotor & turning, polishing, threading & grinding etc upto required size of bearing complete all as specified & directed . 17 M&L Strip opening of 3 phase AC, submersible motor of capacity 15 HP to 20 HP, taking out burnt winding coil completely and re-winding with PVC insulated super enamelled quality water proof winding wire including seal PVC (water proof compound) and jointing new submersible cable 10sqmm 3 core minimum 6m long with water proof tapeall as specified and directed and re-assembling the motor and testing completecomplete all as specified and directed 18 Taking out worn out bearing / bush / sleeves from the motor of capacity 15HP to 20 HP and S&F bearing / stainless steel sleeve and bush, turning and polishing of sleeve complete in all respect all as specified and directed.Note:- Bearing shall be as per existing make and model. 19 S & F as in repairs thrust plate along with disc of motor of capacity 15 HP to 20 HP complete all as specified and directed. 20 S & F as in repairs oil seal of motor of capacity 15 to 20 HP complete all as specified and directed.Note applicable for item No. 13 to 17 :- Unit rate of these items include the cost of transportation charges for carrying the motor from site to workshop and back. Nothing extra shall be admissible on account of any misunderstanding. 21 S&F new bolts/studs, nuts and washers in places of existing worn out/unserviceable bowl bolts/studs. 22 S&F in repair GI heavy duty column pipe for submersible pump 50 mm dia,3 meter long duly welded flange on both sides incl rubber joint all as directed. 23 S&F as in repairs Gun metal gate valve with iron wheel head screwed both ends for iron pipe 20 mm bore & fixed complete all as specified and directed. 24 S&F as in repairs Gun metal gate valve with iron wheel head screwed both ends for iron pipe 40 mm bore & fixed complete all as specified and directed. 25 M&L as in repairs rewinding of 3 phase 440 volts electric motor1HP of any make and model with super enamelled copper winding wire, including providing cotton tape, bamboo strip, varnish complete and testing at site complete all as specified and directed.Note: Unit rate of this item is also includes the cost of taking out the motor for rewinding and refixing in original position after rewinding. 26 All as per item No. 22 here in before but of capacity 2HP 27 All as per item No. 22 here in before but of capacity 3HP 28 M&L disconnecting of monoblock pump setof capacity 1HP of any make and model, by carrying out servicing and repairing of impeller, shafts, shafts keys, bushes, fan blade, new ball bearing, gun metal bushes, gland packing, rubber gasket ,nuts and bolts complete and refixing the same on MS base frame on place and connecting to MS/GI piping line testing and commissioning all as specified and directed.Note: Rates of this item includes for opening, transportation to workshop & back after necessary repairing works required such as welding, grinding and chamfering and nothing extra shall be admissible on this account. 29 All as per item No. 25 here in before but of capacity 2HP 30 All as per item No. 25 here in before but of capacity 3HP 31 All as per item No. 25 here in before but of capacity 5HP 32 All as per item No. 25 here in before but of capacity 7.5 HP 33 All as per item No. 25 here in before but of capacity 15 to 25 HP 34 All as per item No. 25 here in before but of capacity 40 to60 HP 35 Taking out Monoblock centrifugal electric motor 7.5 HP capacity, 3 phase, 440 Volt of any make and model, from the existingfoundation, transporting to workshop, rewinding of motor with super enamelled copper winding wire of existing wire gauge including other allied items such as varnish tape, sleeve, greasing, new bearing, new bushes etc of suitable size for required capacity of motor including necessary repairing of rotor shafts and refixing after testing and commissioning complete all as specified and directed. Note-All T&P required for repair shall be provided by the contractor at his own without any extra cost. 36 All as per item No. 32 here in before but of capacity 15 / 20 HP 37 All as per item No. 32 here in before but of capacity 40 HP 38 All as per item No. 32 here in before but of capacity 60 HP 39 S F as in repairs ,rubber Insertion Sheet flange of thickness 4mm size as per site requirement, including cutting and making holes of suitablesize complete all as specified and directed.Note: Size of sheet shall be provided in accordance to site requirement and nothing extra shall be admissible on account of any variation in size. 40 S&F as in repairs rubber coupling suitable for up to 20 HP motor including CI outer coupling and nuts & bolts complete all as specified and directed 41 All as per item No. 37 here in before but for 60 HP motor 42 S&F as in repairs star rubber coupling including CI flange with nuts & bolts suitable motors up to 15 HP capacity complete all as specified and directed. 43 S&F as in repairs CI non return valve 150mm bore for suction including jointing material,including nuts bolts etc. complete all as specified and directed. 44 All as per item No. 40 here in before but 100mm bore 45 S&F in repairs, installation and testing of cast iron sluice valve, of size 150 mm bore, ISI marked conforming to IS 1538, long body type, Pressure type PN 1.6, flanged ends and drilled having brass spindle with iron head wheel at the top complete with nuts, bolts, washers, rubber gasket and jointing complete all as specified and directed. 46 all as per srl item No. 42 above but fordia 100 mm. 47 S & F as in repairs Submersible flat cable of size 10 Sqmm 3 core 1100 volt grade cooper conductor conforming to IS 694/1990 with latest amendments from starter to motor complete all as specified and directed. 48 All as per item No. 44 here in before but of size 6 Sqmm 3 core . 49 M&L repairing of existing starter / panel by disconnecting existing burn out cable/ wiring complete and replaced with 1.5 Sqmm single core copper conductor cable include replacement ofDigital Volt meter, Digital Amp Meter alongwith CTs, relays, indicator making connection, replacement of cable lugs of suitable size, repair/replacement of locking arrangement include painting with two coat of synthetic enamel paint complete all as specified and directed. Note : Replacement of contractor digital meter, relay, MCCBs, preventer shall be measured & paid separately as Supply only. 50 Supply only digital volt meter 0-500 Volt, with selector switchof size 96mm x 96 mm Square flush type complete with wiring. 51 Supply only digital ammeter 0-100 amp including CT 100/5 amps and selector switch complete with electrical connection. 52 Supply and fixing as in repairs DOL Starter suitable for 3 to 5 HP 440 Volt.Make :L&T/BCH/TC. 53 Supply and fixing as in repairs DOL Starter suitable for5 to 15HP 440 Volt. Make :L&T/BCH/TC. 54 Taking out of Star Delta Starter of 20 to 50 HP of any make from the existing panel and repairing by replacing contactor, relays prevanter of existing make, wiring etc include testing and commissioning complete all as specified and directed.Note : Contactor, relays and preventer should be measured and paid as Supply only under relevant item 55 Supply only 3 Pole Power Contactor of 70 Amp, 230 Volt coil voltage complete all as specified and directed by engineer-in-charge. 56 Supply only 3 Pole Power Contactor of 32/40 Amp, 230 Volt coil voltage complete all as specified and directed. 57 Supply only Contactor ML/MNX or equivalent of 16Amps, 415 volts. 58 Supply only delay timer relay suitable for starter up to 50HP. 59 Supply only single phase preventer to protect motor for phase failure complete all as specified and directed.Make: L&T / Siemens / C&S 60 Supply only Indicator lamp LED type of RYB colour , 230 Volts complete all as specified and directed. 61 S&F as in repairs MCB SPN.40 amps C series, breaking capacity 10 KA, C curve 240 volts, 50 Hz including necessary incoming and out going electric connection with suitable size of copper lugs etc. 62 S&F as in repairs MCB SP, 6 to 32 Amps, C series, breaking capacity 10 KA, C curve 240 volts, 50 Hz including necessary incoming and out going electric connection with suitable size of copper lugs etc. 63 Supply only MCCB TPN LT 415 volt 50 Hz, AC 125 amps 25 KA with thermal magnetic release for OL & SC protection complete all as specified and directed. 64 S&F as in repairs Off load Change over switch 415 Volts front operated fixed in panel board include locking arrangements 4 pole of capacity 200 Amps complete all as specified and directed. 65 M&L in repair for submain wiring with cable insulated single core multistranded copper conductor cable 1100 Volts grade 6 Sqmm 2 runs and one run 6 sqmm as earth wire all drawn through & incl Rigid PVC conduit of suitable size medium gradecomplete all as specified and directed .Note:- 3 run shall be considered as one length for payment purpose 66 Supply only Thermal Over load relay ofrating 10- 40 Amps, 415 Volts, complete all as specified and directed 67 Supply only Thermal Over load relay ofrating 20- 63 Amps, 415 Volts, complete all as specified and directed. 68 Dismantling and opening of existing self priming recirculation pump of single stage/horizontal self priming pump set 3.5 HP/3.26 KW Capacity /flow rate 47.0 m3/hr, Head 14.0 m with pre-filter thermoplastic injected pump casing and replacement of bearing, cleaning of shaft, varnishing of winding, applying grease and reassembling and fixing in same position complete all as specified and directed. 69 Testing water samples from different three sources (inlet of Raw water, out let of filtration plant and supplied treated water) throughNABL accredited authorized LAB as per Indian standard drinking water specifications (BIS-10500:1991) including collecting water in sealed glass bottle all as directed by Engr -in-charge. Testing shall be carried out for all 17 parameters as described in BIS 10500-1991 from lab and submit report.Note: Sample of raw water & post treatment water to be collected by contractor in presence of Enge - in- charge monthly and submit result. 70 Repair and servicing ofair compressor, motorand blower capacity 525 Cu mtr/hour ofany make by carrying out servicing, greasing and replacement of compressor oil, lubricant , Vbelt for blower, relay and pressure gauge and other maintenance specified in manual complete all as specified and directed. 71 M&L for preparation of old painted steel / iron surfaces of the structure such as flocculator grills , breeze , CD/DI pipes, ladder and other connected itemsand applying one coat of synthetic enamel (ordinary tint) surface of any description over 10cm width or girth complete all as specified and directed 72 REPAIR WORKS AT KAVANI (SRL ITEM 70 TO 80 ) 73 S&F as in repairs MCCB 4 Pole, 125 Amps, rupturing capacity 16 KA, 415 volts grade AC 50 Hz of suitable frame size as existing, Magnetic adjustable type and making connections using suitable size copper lugs /thimbles bycrimping tools, including testing and commissioning complete all as specified and directed. 74 Scratching old paint with the help of emery paper and wire brush including through preparation and M&L for two coat of synthetic enamel paint as per existing colour coding as per existing on the following accessories / equipments, include marking flow arrows complete all as specified and directed:-(i)CI / DI Water suction lines of size 200mm bore - 80 RM approx incl supporting structure & 250mm bore Discharge line approx - 40 RM. including sluice valve , NRV and connected items complete(ii) Main pump set 40 HP -03 No (iv) Jack Well cover of MS grills -approx 18 Sq mtr. (v)Metering Valve - 2 Nos, Pit cover both side - 2 Nos & MS Ladder - Approx area -16 Sq mtr (vi) DI Line - 4 RM & Sluice valve - 1 Nos incl fittings-in Valve Pit 75 S&F as in repairs rubber Insertion Sheet flange of thickness 4mm as per site requirement, including cutting and making holes of suitable size complete all as specified and directed.Note: Size of sheet shall be provided in accordance to site requirement 76 S&F as in repairs Rubber coupling suitable for 45 HP motor including replacement of CI outer coupling and nuts & bolts complete all as specified and directed. 77 Dismantling the Monoblock centrifugal Pumpassembly40 HP capacity any type or make and model carrying out repair, supply and replacement of worm out parts by strip opening of all parts such as impellers, pump shafts, lock collars, bearing / bushes, gland rings, nuts & bolts etc and machine work including minor repair, welding turning, re-facing where required as directed. 78 M&L repairing of existing Star Delta Starter of 25 HP to 45 HP of any make, disconnecting existing burn out cable / wiring complete and replaced with 1.5 Sqmm single core copper conductor cable include replacement ofDigital Volt meter - 1 Nos, Digital Amp Meter - 1 Nos along with CTs - 1 Nos, relays - 1 Nos, making connection, replacement of cable lugs of suitable size, repair/replacement of locking arrangement, including replacement of defective contactor & relays of existing make, wiring etc include testing and commissioninginclude painting with two coat of synthetic enamel paint complete all as specified and directed. 79 Supply and fixing in repair of LED flood light 70 watt 230 V AC outdoor type with thermal management in multiple optics and equipped with IP66 protection, with impact and corrosion resistant complete with driver and lampincludingelectrical wiring of luminaries with all wiringmaterials and fixing materials complete all as specified and directed 80 Supply and fixing in repair of post top lantern LED type 20 watt 230 watt volts AC outdoor type with decorative post top for 360 degree indirect light IP 65 protection with impact and corrosion resistant complete with driver and lamp complete. 81 Supply and fixing LED street light fitting 60 Watt 230 V AC outdoor type with high pressure die cast aluminium hosing and heat resistant complete with driver, lamp bracket with impact and corrosion resistant including thermal management in multiple optics complete with IP 65/66 protection complete. 82 Supply only Calcium Hypochlorite, Description/ appearance Dry free flowing and free from lumps, Toxic & undesirable substance. Should not induce substances beyond acceptable limit as given in IS10500(2012) in treated and disinfected water, packing 40-50 Kg drums, packing in drums is preferable to reduce fire hazard in places of high ambient temperature, Specification. Available chlorine: 55% by mess Min, stability 1/15 loss of chloride on basis of available chloride, Max Particle size (passing through) 1.70mm IS sieve) 99.5% by mass min water insoluble matter Max 6%, calcium Hydroxide Max 4%, sodium chloride Max 15%, in granular form fortified with corrosion inhibitors and anti scalants for drinking water disinfection all as directed . 83 Supply only water treatment alum in crystal from packed in 50 Kg Bags .
