Assam Rifles-AR has published Provision Of Maintenance And Operation Of E&M Installation And Eqpt Incl Maintenance Of Pumping Sets And Generator Sets For Artc And S At Diphu. Submission Date for this Tender is 28-11-2022. Diesel Generators Tenders in Dimapur Nagaland. Bidders can get complete Tender details and download the document.
| Sl. No. | Item Description |
| 1 | Daily maintenance and operation of the water pumping and treatment plants with one operator cum technician in each shift of three shift for each installation from 0600 hrs to next day 0600hrs (in three shifts per day consisting of 08 hrs per shift ) including sunday and holiday as specified and directed by the Engineer-in-Charge (Note: term daily operation includes minor maintenance and like adjustment of eqpt, cleaning , insert gland packing and also hourly ready and recording of each plant, log sheet will be maintained by the contractor in standard performa to make record in consultation with Engr-in-charge and periodical maint includes back washing of pressure filter/IRP daily or as required including maint of pumping sets (centrifugal/monoblock) like replacement of gland packing , bearing etc replacement of pumping set .Feeding of chemical bleeching and alum etc as per direction of Engr, cleaning of aieration tank storage sump and overhead storage tank as required at treatment & distribution/supply pump house. |
| 2 | Daily maintenance and operation of the DG sets, switch gears and other electrical eqpts at pump house and Generator room with one operator in each shift of three shift for each installation from 0600hrs to next day 0600 hrs (in two shifts per day consisting of 08 hrs per shift) including sunday and holiday to keep continuous electric supply and repolacement of all defective spare parts as specified and directed by the Engr-in-Charge) Note : Term daily operation includes minor maintenance and like adjustment of eqpt, cleaning of batteries terminals, self dynamo and also hpourly reading and recording of each plant including servicing minor with replacement of log sheet will be maintained by the contractor in standard performa to make records in consultation with Engr-in-Charge (ii) Fuel for lubricants will be issued under Sch "B" store free for feeding as required.Spares will be measured and paid separetely under appropriate items. |
| 3 | S&F in repair 100 mm bore sluice valve heavy duty both ends flanged and drilled type nominal pressured rating PN-1, conformed to IS 780 of 1980 complete with cast iron body bonnet wedge stuffing box galvanished thrust plate, spindle made of high tensile stainless steel cast iron hand operated wheel with cap top nuts, bolts. washes wedge nut body seal ring and wedge facing run lead tin braise, compressed fibre bolts and nuts, gland packing of superior quality including 6mm thick rubber gasket joint compelet all as specifed and directed by Engineer-in-Charge. MAKE: Leader , Kirloskar & Upadhyay |
| 4 | Opening of100 mm bore sluice valve by opening up for repair & detection of fault , cleaning of serviceable parts, replacement of unserviceable or worn out parts such as glands, gland packing, gaskets, facing the gate & valve seat, replacement of nut bolts, re-assembling and fixing in existing position & after testing complete all as specifed and directed by Engineer-in-Charge. Note :- Necessary arrangements for regulating the water supply in line for the purpose of repair shall be made by contractor at his own expenses and worn/ unserviceable spare parts to be replaced with new spare parts, if required for smooth functionningshall be included initem of BoQ & unit rate qouted by the contractor inclusive for all this purpose & not any claim entrtained on this account at later stage. |
| 5 | M & L for construction of brick masonary valve pit chamber of size 600 mmx600 mm x 600 mm (internal dimension) including necessary excavation and earthwork, PCC 1:4:8, brick work in cement motar 1:4, 12 mm thick rendering in cement mortar 1:4 on internal surface of valve pitand mild steelsheet cover 05mm thick andmild steelangle iron frame size 50mm x 50 mm x 06mm around of valve pit, locking arrangement with pad lock of size 50 mm brass, 6 leavers and key( make ; Godrej) complete including twocoat of synthetic enamel overa coat red oxide primer on steel surfacewith preparation of surface and including dismantling of existing valve pit complete all as specified & directed. |
| 6 | M&L in repair for joint with rubber or fibre board gasket including necessary fixing accessories such as nut, bolt & washer, etc. required for completion for 80mm bore flanged ends pipecomplete allas specified & directed. |
| 7 | M&L in repair for joint with rubber or fibre board gasket including necessary fixing accessories such as nut, bolt & washer, etc. required for completion for 100mm bore flanged ends pipecomplete allas specified & directed. |
| 8 | Disconnecting theall electric & mechanic connection from pump with electric motor 3 phase, 415 volts, 50 c/sany capacityof electric motor / submersible pump of any make from the set, rewinding the motor with PVC insulated copper winding wire of existing gauge and size including all other winding material such as leatheriest paper, tapes, sleeves etc and suitable size bearing , if requiredincluding and testing completefor smooth functioning and satisfied byEngineer-in-Charge & reassembling and re-fixing with true alignment andtesting and commissioning complete all as specified & directed byEngineer-in-Charge. |
| 9 | Supply only stainless steel bushes each set suitable for 5 HP to20 HP submersible motor complete |
| 10 | Supply only "O" ring kit and oil seal kit suitable for 5 HP to 20 HP complete |
| 11 | Supply only thrust bearing excel carbon suitable for 5 HP to 20HP complete. |
| 12 | Supply only thrust bearing plate suitable for5 HP to 20HP complete |
| 13 | Supply only sand guard suitable for 5 HP to 20HP complete. |
| 14 | Supply only water seal suitable for 5 HP to 20HP complete |
| 15 | Supply only gun metal bush of pump shaft suitable for 5 to 20 HP complete. |
| 16 | Supply only impeller bush of gun metal suitable for 5 to 20 HP complete. |
| 17 | Supply only neck ring of impeller as per existing size suitable for 5 to 20 HP including necessary lathe work complete all as specified and directed by Engineer-in-Charge. |
| 18 | S&F for replacement jointing the submersiblecableby meansof jointing material & making the leak proof jointing complete all as specified and directed by Engineer-in-Charge. |
| 19 | S & F Iin repair contactor 3 pole, ML4 (2NO + 2 NC) current rating 70Amp Make- L&T |
| 20 | S & Fin replacement , connecting, testing and commissioning fullyAutomatic Star Delta Starter in sheet steel enclosuretype MN 16Fwith single phase protection suitable for 25HP, 3 Phase, 415 volts, 50 HZ, having all standered accessories complete all as specified and directed.MAKE: Shneider/ L&T/ Legrand/ Standard. |
| 21 | Taking up the unserviceable submersible pump with motor from the bore well , transporting to work shop for repair, disconnecting theall electric & mechanic connection from pump with electric motor 3 phase, 415 volts, 50 c/sof capacity 10 HP to 20 of electric motor / submersible pump of any make from the set, rewinding the statar coil with super enamelled copper winding wire of existing gauge and size including all other winding material such as leatheriest paper, tapes, sleeves etc, Bush,"O" ring, Sand guard, water seal and suitable size bearingif requiredincluding varnishing, heating, drying and testing completefor smooth functioning and satisfied byEngineer-in-Charge & reassembling and re-fixing with true alignment andtesting and commissioning complete all as specified & directed byEngineer-in-Charge. |
| 22 | Disconnecting the electric connection of unserviceable monoblock submersible pump with motor, transporting to work shop for repair, disconnecting theall electric & mechanic connection from pump with electric motor 3 phase, 415 volts, 50 c/sof capacity 7.5/15 HP of electric motor / submersible pump of any make from the set, rewinding the motor with super enamelled copper winding wire of existing gauge and size including all other winding material such as leatheriest paper, tapes, sleeves etc, Bush,"O" ring, Sand guard, water seal and suitable size bearingif requiredincluding varnishing, heating, drying and also repair/ replacement of spair parts of pump such as bowal busg, gun metal bush, neck ring and testing completefor smooth functioning and satisfied byEngineer-in-Charge & reassembling and re-fixing with true alignment andtesting and commissioning complete all as specified & directed byEngineer-in-Charge. |
| 23 | S&F in repair submersible cableheavy duty PVC insulated and sheathed 16 sqmm size 3 core conductor flat fully waterproof 1100 volt grade complete all as specified and directed. Make :- HAVELLS/FINOLEX/PLAZA |
| 24 | Supply only Asbestos rope of 12mm /20mm wrapped over the exhaust pipe ofDG SET any capacityas per existing make, model & size. |
| 25 | S&F in replacement autometic voltage regulator suitable for 15KVA to 400 KVA DG Set complete all as specified and directed.Make- Kirlosker/ Ashok leyland/ C&G/ Cumins |
| 26 | Supply only for filling new coolent in sealed container complete all as specified and directed. NOTES :-Coolent shall be collected in sealed container . Cost of filling of coolentin included in unit quoted rates in here in - before ) |
| 27 | S & Fin replacement OFFload change over switch in sheet metal enclosure, 415 Volts, 4 pole 100 Amps capacity with side handle operation conformingconforming to ISIEC 60947-1&3complete all as specified and directed.Make : Havells Cat No- IHCFFE0100 or equivalent in C&S / L&T/ Standard. |
| 28 | S&F in replacement of lead accumulator containing with electroctrolyte of capacity 12 Volts ,150 AH suitable for 63 to 125 KVA DG sets all as specified and as directed ( Make : Exide /Amaron ) |
| 29 | Cleaning/descaling of deisel fuel tank of DG Set and writing date of cleaning completeall as specified & directed. |
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