Military Engineer Services-MES has published Tender For Painting To Runway/Dispersal/Tarmac Ptt And Alliead Works In Tech Area And Descaling Of Condenser, Repair/Rewinding Of Pump Motor, Ct Fan Motor, Ahu Motor And Replacement Of Burnt Out Switch Gear At Ac Plant At Afs Hasimara. Submission Date for this Tender is 09-06-2023. Electrical Maintenance Tenders in hasimara West Bengal. Bidders can get complete Tender details and download the document.
| Sr No | CorrigendumDate | Corrignedum | CorrigendumType | NewSubmissionDate |
| 1 | 27-May-2023 | CORRIGENDUM TO TENDER | Other | 09-06-2023 |
| Sl. No. | Item Description |
| 1 | Material and labour for preparation of old painted surface of concrete/flexible pavement like runway, taxi track, link etc, by removing the greasy materials, dirt, dust etc and applying one coat of water based road marking paintgrade-2 conforming to IS 164-1981, of tint white/yellow/golden yellow as approved, as in lines, dashes, arrows, letters etc over 10cm in width or girth, complete all as specified and directed. (Note :- Paint shall be applied on prepared surfaces of concrete in a manner, so that thick paint shall stand boldly and solidly on the surfaces without showing brush mark on surfaces applied for.Surfaces shall be finished by application of paint till desired result obtained. Area of painting done shall be measured as per the paint application area on site.) |
| 2 | Material and labour for painting lines, dashes, arrows, letters etc on roads, pavements and the like not exceeding 10cm width or girth with one coat ofwater basedroad marking paintgrade-2, conforming to IS-164-1981 (tint white/yellow/golden yellow as approved), complete all as specified and directed. |
| 3 | Material and labour for preparation of old painted concrete, asbestos cement or plastered surfaces and applying one coat of synthetic enamel paint (of approved tint) (1st grade quality) over 10cm width or girth, complete all as specified and directed. |
| 4 | M & L for preparation of old painted steel/iron surfaces of any description, not other wise described, over 10cm width or grith and applying one coat of synthetic enamel paint (1st grade quality), complete all as specified and directed. |
| 5 | M & L for preparation of new painted steel/iron surfaces of any description, not other wise described, over 10cm width or grith and applying two coats of synthetic enamel paint (1st grade quality) over a coat of red oxide primer, complete all as specified and directed. |
| 6 | Material and labour for preparation of old treated bituminous/asphaltic surfaces (over both ends of runway) by removing all vegetation, sweeping with brooms and finally clean by fanning with gunny bags to remove all loose dust, dirt and applying one thick coat of distemper by spreading on prepared surfaces thoroughly to stand out boldly, solidly without showing signs of brush mark on painted surfaces, complete all as specified and directed. |
| 7 | Material and labour for applying one coat of acrylic emulsion distemper to old decoratedplasteredsurfaces of wall including preparation of surface (by brooming down or steel wire brushing, scrapping down smoke soot, moulds, moss and efflorescent salts and treating oil and greasy spots), complete all as specified and directed. |
| 8 | Dismantling wrought iron or mild steel work of any description not otherwise provided for, complete all as specified and directed. |
| 9 | Excavating in post holes (or similar holes) in soft/loose soil each n. exc. 0.5 Cum, getting out, returning, filling in and ramming earth or broken rubble mixed with earth around, in layers not exceeding 25cm, complete all as specified and directed. |
| 10 | S&F roof trusses (framed), trussed, purling, crane gantries, rails and fast things and heavy bracket framing (beam, tee, angle channel or flat section) including distance pieces cleats etc. Fe 410-w (Gde E-250) Quality-A, with one shop coat of zinc chromate primer paint including preparation of surface, complete all as specified and directed. |
| 11 | M&L for rolled mild steel plates (plain or chequered) channels, square cut or notched (ordinary and counter sunk) etc. Fe 410-w (Gde - E -250) quality-A forming holes, with riveted, bolted or welded attachment with rollers for landing T, complete all as specified and directed. |
| 12 | S&F ball bearing for rolling shutter of flag post at WDA platform, complete all as specified and directed. |
| 13 | Demolition of unreinforced cement concrete in ground floors and pavings not exceeding 15cm thickness, below or above ground level and disposal of unserviceable materials, debris and rubbish to a distance not exceeding 100m, complete all as specified and directed. |
| 14 | M&L for 75mm thick plain cement concrete (1:4:8), type D-2 (using 40mm graded crushed stone aggregate) in plinth protection, hard standing etc., complete all as specified and directed. |
| 15 | M & L for descaling of condenser by recommended chemical make SCAL GUN WS or equivalent cleaning agent(chemical should be used as per manufacturer"s instructions) by soaking method, disconnecting condenser from the system by taking out nuts, bolts, studs valves and MS/GI pipe line from both side cover cleaning each tube with nylon brush, flushing with alkaline solution connecting back both side cover including replacing gasket 3mm thick for 38 TR capacity chiller plant at AC Fuel Tank of condenser suitable for AC plant, descaling shuold be done once in every three months, each descaling will be measured seperately, complete all as specified and directed.Note: -(New nuts, bolts, washer and studs shall be measured and paidseperately under respective item) |
| 16 | All as per ser item No. 15 here in above but 42 TR capacitychiller plant at PBL, complete all as specified and directed. |
| 17 | All as per ser item No. 15 here in above but 65 TR capacity chiller plant at Parachute Bay, complete all as specified and directed. |
| 18 | All as per ser item No. 15 here in above but 80 TR capacity chiller plant at ERS & APU, complete all as specified and directed. |
| 19 | Supply and flx in repairs GI nuts, bolts, washers studs etc., complete all as specified and directed. |
| 20 | Taking down and dismantling of elecric induction motor and pump of 5/7.5 HP by disconnecting all inlet and outlet connection of pipe line, take it near by workshop to repair and refixing the same after repair of pump and motor.replace all nut/bolts and gasket which damaged, complete all as specified and directed. Note : Transportation Shall be included in quoted rate. |
| 21 | M&L for rewinding of electric motor 3 phase 50 Hz 415 volt comprising of following activitles for motor of 5/7.5 HP capacity, complete all as specified and as directed. (i) Dismantling existing burnt out winding from the motor prepare for and including rewinding complete with super enamelled copper winding wire of existing guage including all material such as insulated paper, sleeves tape, varnish etc complete for class F insulation (ii) Loading unloading and transporting motor, reinstalling in position and in alignment including electric/water connection, commissioning and testing in actual working condition for 8 hours continuosly to check design RPM and improved performance. (iii) Replacement of 2 Nos ball bearing of existing size of SKF make (Note - Super enameled copper wire use for rewinding shall be paid and mesured seperately as supply only under respective items). |
| 22 | Supply only super enamled copper wire as per existing size of 5/7.5 HP for rewinding of pump motor, complete all as specified and directed. |
| 23 | M&L for repairs to condenser/chiller pumps including dismantling of pump of 5/10 HP capacity and segregating to its parts for repairsreplacementof shaft bearing, impeller key, shaft sleeve, impeller andgrinding/ polishing, bend removing etc complete including painting by two coats of synthetic enamel paint (1st grade quality) reassembling of pump after completion of work & testing, complete all as specified and directed. (Note : Supplyof bearing and sleeve, impeller shall be measured and paid separetly under respective items as supply only). |
| 24 | Supply only shaft bearing of 5/7.5HP pumpset as per existing specifications, complete all as specified and directed. |
| 25 | Supply only shaft sleeve of 5/7.5 HP pumpset, complete all as specified and directed. |
| 26 | Supply onlyt impeller of 5/7.5 HP pumpset, complete all as specified and directed. |
| 27 | Supply only impeller keys of 5/7.5 HP pumpset, complete all as specified and directed. |
| 28 | S & F in repair MCCB 415V,36 KA, 4 pole 400 Amp, complete all as specified and directed. |
| 29 | S & F in repair MCCB 415V,36 KA, 4 pole 250 Amp, complete all as specified and directed. |
| 30 | S & F in repair MCCB 415V,36 KA, 4 pole 160 Amp, complete all as specified and directed. |
| 31 | S & F in repair MCCB 415V,16 KA, 4 pole 125 Amp, complete all as specified and directed. |
| 32 | S & F in repair MCCB 415V,16 KA, 4 pole 100 Amp, complete all as specified and directed. |
| 33 | S & F in repair MCBs415V,10 KA,TPN, 40 - 100Amp, complete all as specified and directed. |
| 34 | S & F in repair MCBs415V,10 KA,TPN,16 - 32Amp, complete all as specified and directed. |
| 35 | S & F inrepairCT,s of ratio 100/5Amps 5 VA , 50 Hz, complete all as specified and directed. |
| 36 | S & F inrepairCT,s of ratio 60/5Amps 5 VA , 50 Hz,complete all as specified and directed. |
| 37 | S & F inrepairCT,s of ratio 30/5Amps 5 VA , 50 Hz,complete all as specified and directed. |
| 38 | Supply and fix in repair panel mounting digital ammeter 3 phase, 3 wire, display type with selector switch and suitable CT"s for each phase,complete all as specified and directed. |
| 39 | S & F in repair voltmeter digital type, complete all as specified and directed. |
| 40 | S & F in repair basic multifunction meter in LED displaye, complete all as specified and directed. |
| 41 | Supply and fix in repairs toggle switch of 5 Amp capacity, complete all as specified and directed. |
| 42 | Supply and fix in repair on-off push button pendants with elements red/green/orangee, complete all as specified and directed. |
| 43 | S & F in repair rotaryswitch 3 position,complete all as specified and directed. |
| 44 | Supply & fixing water pressure guage with valve 5/8", capacity 7 Kg/Cm, complete all as specified and directed. |
| 45 | M & L for disconnecting and removing existing unserviceable interlocking wiring and connection of electric control panels of any description and in any position after thorough checking and inspection at site and material & labour in repair for electric control panel and its interconnected system with using PVC insulated, unsheathed multistranded copper conductor cable,for making functional control of the compressor,chilled water pump,condenser water pump, AHU, cooling tower fan, LP/HP/differential coil ,pressure switch ,solenoid valve, capacity control valve, thermostat, humidistate, heater, auxilliary contactor, push buttons, indicators, Ammeter,Voltmeter complete as required at site for functioning of central AC plant, DX type/chilled water type, complete all as specified and directed. Note:-(i) Work shall be executed at site by proper skilled, experienceworkers. (ii) The complete panel shall be checked and tested on full load after necessary repairs and replacement of unserviceable parts for its smooth functioning and proper interlocking including tripping on single phase. (iii) Copper conductor cableused of any size shall be measured and paid seperately. |
| 46 | Supply only PVC insulated unsheathed multistranded copper conductor cable, 1.0 Sqmm size single core, 1100 volts grade (ISI marked), complete all as specified and as directed. |
| 47 | All as per ser item No. 46 here in above but 1.5 Sqmm size, complete all as specified and as directed. |
| 48 | All as per ser item No. 46 here in above but 2.5 Sqmm size, complete all as specified and as directed. |
| 49 | All as per ser item No. 46 here in above but 4 Sqmm size, complete all as specified and as directed. |
| 50 | All as per ser item No. 46 here in above but 6 Sqmm size, complete all as specified and as directed. |
| 51 | M&L for earthing & testing complete with GI earth plate electrode 60cmX60cmX6mm thick buried directly in ground vertically to a depth not less than 2.25mtr below normal ground level with top edge of earth plate at a depth not less than 1.5 mtr below normal ground level connected to and including galvanised iron strip 25x4mm by means of bolts, nuts and check nuts and washers etc. made of GI & connected to earthing test point and earth dolly all as shown in elect plate No 3 of SSR Pt I including all necessary earth work, excavation, PCC chamber, (1:2:4) B-1 & RCC (1:2:4) B-1 chamber cover with suitable reinforcement with handle including 15mm bore GI light grade protection pipe upto 7.5m length & 20mm bore GI medium grade watering pipeand wire mesh, funnel, char coal dust, common salt, wire mesh etc., complete all as specified and directed. |
| 52 | M&L for fixing of GI strip 20 x 4mm with new saddles and fixing screws etc. for roof conductors and down conductors above ground, complete all as specified and directed. |
| 53 | S & F in repair LT electrical insulating mat, class A confirming to IS - 15652-2006 (ISI Marked) 2.0mm thickness and 1000mm width suitable for 1100 Voltwith dielectric strength - 30 Kv and AC proof voltage - 10 KV, flame retardance, Acid, Alkali, diesel & transformer oil resistant with pasting agent, complete all as specified and directed. Make - Vardhman, Jyoti, Cease fire or equivalent. |
| 54 | M & L for pasting flexboard on partical board dully print of single line diagrams of LT cables/ducting/installation details/equipment details/installation notice board/shock treatement chart etc in multi colour, complete all as specified and directed. Note - Details of equipment/plant shall be given by department but the size and length of ducting will be measured by contractor at site. The contractor has to develop the same with legends/signs as per the standards on computer in multicolour and same get it approved from Engineer-in-charge. (ii) Installation/equipment details including all equipments in plants like switch gear unit, pumps, compressor and valves, contractor has to develop the drawing in multicolour using proper legends as per standards |
| 55 | S&F in repair butterfly valves of 100mm sizesPN 1.0 including connected accessories such as rubber gasket, nut bolts etc, complete all as specified and directed. |
| 56 | S&F in repair butterfly valves of 150 mm sizesPN 1.0 including connected accessories such as rubber gasket, nuts bolts etc, complete all as specified and directed. |
| 57 | M & L for disconnecting unserviceable contactor and supply,fixing and testing new power contactor 3 pole power contactor with auxiliary contacts 1 No+1NC having rating 25 Amps, 415 Volts MNXseries with coil voltage 240 Volts, complete all as specified and directed. |
| 58 | S & F in repair bimetal thermal over load relay various ranges starting from 6.0 Amps to 10.0 Amps, 220 Volts as per existing, complete all as specified and directed. |
| 59 | S & F motor protection circuit breakers with short circuit and overload protection for upto 5.4KW, 3 phase motor, complete all as specified and directed. |
| 60 | S & F in repair thermostat expansion valve suitable for 38 TR capacity, complete all as speified and directed (Make: Sporlan/Danfoss) |
| 61 | S & F in repair thermostat expansion valve suitable for 42 TR capacity, complete all as speified and directed (Make: Sporlan/Danfoss) |
| 62 | S & F in repair thermostat expansion valve suitable for 65 TR capacity, complete all as speified and directed (Make: Sporlan/Danfoss) |
| 63 | S&F in repairs thermostat expansion valve suitable for 80 TR capacity, complete all as speified and directed (Make: Sporlan/Danfoss) Note : An amount of Rs.21386.00 on account of credit schedule for schedule "A" part - II shall be deducted from the total amount of BOQ to arrive at the contract sum. |
| 64 | Supply and fixing energy efficient ‘LED Flood Light120 W LED luminairewith Aluminium dia cast housing, toughened glass cover with IP 66 protection, CCT 5700 K including fixing arrangment on wall/pole / surface and connecting cable up to nearest ceilign rose into flexible PVC conduit. Make : Crompton/Havells/ Surya/Philips |
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