Military Engineer Services-MES has published Repair Maintenance Of Central Ac Plant Ahu S Chiller Control Cable Etc In Aa Banar Under Ge Banar. Submission Date for this Tender is 30-06-2022. Control Cable Tenders in jodhpur Rajasthan. Bidders can get complete Tender details and download the document.
| Sr No | CorrigendumDate | Corrignedum | CorrigendumType | NewSubmissionDate |
| 1 | 13-Jun-2022 | CorrigendumNo01 | Date | 23-06-2022 |
| 2 | 13-Jun-2022 | CORRINGENDUM NO 2 | BOQ | 23-06-2022 |
| 3 | 23-Jun-2022 | Bid Auto Extn Corrigendum | Bid Auto Extn Corrigendum | 30-06-2022 |
| Sl. No. | Item Description |
| 1 | Material and labourfor preventive maintenance /servicing of motor & pump set 100 HP of chiller / condensing unit including greasing of bearings and cleaning of motor, NDE side fan blade, replacement of gland packing, tighenting of nut bolts of power cables, control wiring of starters & foundation, painting of base channel with black paintetc and testing of the same after repair of minor defects for entire satisfaction of Engr-in-Charge complete all as specified and directed. |
| 2 | All as per Srl item No 1 above but 45 HP |
| 3 | All as per Srl item No 1 above but 15- 20 HP |
| 4 | All as per Srl item No 1 above but 05 - 10 HP |
| 5 | All as per Srl item No 1 above but up to 5 HP |
| 6 | Taking out unserviceable pipes, Supply and fixing Mild Steel medium grade pipe 50mm to 150 mm dia connecting, welding, smoothing and making leak proof incuding MS fittings all as per site requirment and complete all as specified and directed by Engr-in-Charge. Note : Earth work will be measured and paid seperatelyi in respective items of schedule. |
| 7 | (a) 50 mm dia MS pipe |
| 8 | (b) 65mm dia MS pipe |
| 9 | (c) 80 mm dia MS pipe |
| 10 | (d) 100mm dia MS pipe |
| 11 | (e) 150mm dia MS pipe |
| 12 | Supply & fix water pressure gauge 0-150 Kg/sq cm suitable for fixing with 150 mm dia water circulating inlet & out let pipeby means of proper welding and connection with checking the running water pressure as per specification, as perexisting make & model, complete all as specified and directed by Engr-in-Charge. |
| 13 | M&L for replacement of water temp gauge dial type 0-120 degree F , as perexisting make & model, complete all as specified and directed by Engr-in-Charge. |
| 14 | Supply and fix flexible rubber coupling for5- 20HP elecric motor, 415volts, 3 phase of existing specification and as perexisting make & model, complete all as specified and directed by Engr-in-Charge. |
| 15 | M & L for disconnecting the power cables, strip opening of fonudation nut bolts, taking down burnt out motor from its base and transporting the motor to the workshop and back.Refixing, testing and commissioning the same on full load, after rewinding of stator assemblyof squirral cage induction motor of under mentioned capacity for reciprocating compressor of 75 TR to 30 TR capacity and monoblock pump set/AHU/centrifugal pump with super enameled copper wires of suitable gauge and duly insulated with Class E insulated material and varnishing complete. Note: Bearing of the motor will be measured and paid seperately in relevent item of schedule. |
| 16 | (a)100 HP induction motor 415 V, 50Hz |
| 17 | (b)30-45 HPinduction motor, 415 V, 50Hz |
| 18 | (c)10 - 20 HPinduction motor, 415 V, 50Hz |
| 19 | (d)Upto 7.5 HPinduction motor |
| 20 | M&L for servicing of CSU (ceiling suspended unit),4000CFM (10TR),make asat NBC area ,at elevated height without affecting any INCONVENIENCE to user and comprising following service/ repair work (a) inspecting function ability of ball valves, balancing valves, 3way valve, including leak proofing/ replacing, replacing U/S GI/MS fittings such as flanges, elbows, Tee etc complete all as directed (b) inspecting supply & return air duct bellows, replacing u/s fastener, leak proofing, testing static pressure, servicing air inlet, delivery, return dumper Note: Minor items shall be included in quoted rate. |
| 21 | Supply & fix in replacement of profilers & fine filters box type with washable nylon filters media having 90% efficiency to control dust particles up to 10 microns fitted in aluminum framed with epoxy filled on sides of size 500x500x50mm and for fine filters 99% efficiency to control dust particles up to 5 microns 500x500x305mmas per samplesuitable for existingAC plant. |
| 22 | Supply & fix in replacement of prefilters& fine filters box type with washable nylon filters media having 90% efficiency to control dust particles up to 10 microns fitted in aluminum framed with both side wire mesh of size 610x610x50mmof class EU-4and for fine filters 99% efficiency to control dust particles up to 10 microns 610x610x305mm EU-5 as per samplesuitable for 42/62 TR AHU plant. |
| 23 | M& L for servicing/repair of air curtain of any size & make with following repair all as directed by engineer in charge (i) inspecting blower impeller, greasing of bearing at driving & non driving end,aligment of shaft assembly (ii) inspecting control wirng, power contactors, OLR etc. (iii) lubricating whole rotating part, cleaning the air filter with air blower compelete |
| 24 | Supply & fix in replacement of V belt oil and heat resistant antistatic type of following size (i) A-27/29 |
| 25 | All as per Srl item No 15 above but of size B- 83/84 |
| 26 | All as per Srl item No 15 above but of size B- 59/020 |
| 27 | All as per Srl item No 15 above but of size B-118 |
| 28 | All as per Srl item No 15 above but of size B-74 |
| 29 | All as per Srl item No 15 above but of size B- 73 |
| 30 | Supply and fixing in replacementof suction Discharge stop valve housing 3" conforming toas perexisting make & model, complete all as specified and directed by Engr-in-Charge. |
| 31 | Supply and fix in repairs of oil failure switch suitable(R-22) of Central AC plant. |
| 32 | All as per Srl item No 22 above but LP/HP Cut Outswitch. (MP-1/MP-5) |
| 33 | All as per Srl item No 22 above but Discharge failure switch. |
| 34 | Supply and fix in repairs of Oil Pressure Gauge (R-22, R-134(a)for Central AC plant 0-300 PSI as perexisting make & model, complete all as specified and directed by Engr-in-Charge. |
| 35 | M & L for servicing of water cooled chiller having capacity of 100 TR incl dismantling of of cooling coil bunch from evaporator and leak testing then brazing of coil. Again leak testing,dehydration of chiller by using cold trap system approximately 1 week process till proper dehydration,also use of halogen lights or heaters as required at site or site condition making,vacumming of complete system and refil the refrigerant R-22 (as per OEM) and compressor oilcomplete work incl testing & commissioning of whole chiller system till rectification of all defect of evaporaters. |
| 36 | Supply & fix in replacement of expansion valve for 25 TR. |
| 37 | Supply & fix in replacement of expansion valve for 30 TR. |
| 38 | Supply & fix in replacement of loading/unloading solenoid valve for 75 TR. |
| 39 | M&L for descaling of shell and tube type water cooled condenserof capacity 75 TR including chiller unit with MS shell and integral copper tubes with safety valve with Descaling compound (Copper Friendly) through cleaning with descaling brush with rod (7" long) and circulating by descaling pump including nitrogen flushing, replacement of gasket set and other minor parts. Make of descaling compound is Scalfoe-100 all as directed by Engr-in-Charge. Note: (a) PH value of circulation water after descealing of condenser is tested and it must be lies between 6 to 8, If PH value does not found satisfactory. Descaling is carried till PH value meets requirement. (b) Descaling compound should be copper friendly. |
| 40 | All as per Srl item No 30 above but for 100 TR capacity (4x25). |
| 41 | All as per Srl item No 30 above but for 30 TR capacity. |
| 42 | Supply and fix in replacement butterfly valvewith handle made out of brass/gun metal of 100 mm dia of existing specification and as perexisting make & model, complete all as specified and directed by Engr-in-Charge. |
| 43 | Supply and fix in replacement butterfly valvewith handle made out of brass/gun metal of 80 mm dia of existing specification and make complete all as specified and as directed by Engg-in-Charge. |
| 44 | Supply, fixand testingin replacement of BOCR type digital relayasper existing make & model, complete all as specified and as directed by Engg-in-Charge. |
| 45 | M&L for disconnecting electrical connections 7.5 HP/10HP motor located at the top of cooling tower and dismantling and taking out fan blade assembly along with motor mounted on base frame at the top of cooling tower after cutting all nuts, bolts and fixtures from the mounting frame and removing wholeassembly including motor and base frame from the top of cooling tower with the help of T&P for servicing of cooling tower suitable for 150 TR capacity including following complete servicing of coolingtower plant through Descaling Compound Make- Scalfoe-101 complete pipe line, including servicing of cooling tower motor, fan and make the necessary alignment with motor and replacement of bearing of suitable cap including paiting of motor & base after necessary work including greasing and replacement of nut bolts and preventing leakage if any by means of suitable additives etc all as directed and specified. (a) Cleaning /scrapping of inner & outer surface of FRP basin, repair of damaged portion if any toand for FRP lining of all surfaces joints to avoid leakage including replacement of all nuts and bolts joining all parts of Basin complete (b) cleaning of serviceable PVC fills (Big size )(c) Cleaning of serviceable PVC fills(small size ) |
| 46 | All as per Srl item No 36 above but 60 TR capacity |
| 47 | Supply and fix in replacement butterfly valvewith handle made out of brass/gun metal of 150 mm dia of existing specification and make complete all as specified and as directed by Engr-in-Charge. |
| 48 | Taking down & Replacing of Existing U/s PVC fills (Big size )in columns of size 60x30x15 cm |
| 49 | Taking down & Replacing of Existing PVC fills(small size )in columns of size 60x15x15 cm. |
| 50 | M&L for attending to break down of pipe line bursting/cracks including removal of broken pipe pieces of various lengths through gas cutting/manual cutting as per site requirement including dismantling flanged joints and removing out the damaged chilled water/Hot water pipe and inserting/welding necessary specials such, as required at site and providing of new welded joints as required at site, including testing for the leakages ofjoints for the following sizes of chiller/ condenser pipes line,medium grade complete all as specified and directed by Engineer-in-Charge for pipe size 50/65/80/100 mm Note: MS pipe & earth work will be measure & paid seperately under relevnt itms of Schdule. |
| 51 | Supply & replacement of Power contactor,100-185 Amps,AC3,3pole, coil voltage 415Volt. |
| 52 | Supply & replacement of Power contactor,32 - 40 Amps,AC3,3pole,coil voltage 230/415Volt as per existing. |
| 53 | Supply & replacement of Power contactor,22- 25 Amps,AC3,3pole,coil voltage 230/415Volt, as per existing. |
| 54 | S & F in replacement of Power contactor kit, 65A Amps, AC3, 3pole, coil voltage 415Volt suitable for 30KW/40HP compressor motor |
| 55 | Supply & fix in replacement of thermal type over load relay, 9- 15 Amps. |
| 56 | All as per Srl item No 46 above but 20 - 32 Amps |
| 57 | Supply & replacement of thermal Over load relay, 40 -50 Amps |
| 58 | Supply and fixing front mounting add-on-aux control block for power contactor as per existing size. |
| 59 | Supply & fix in replacement of electronic timer for star - delta starters ,with auxilary supply- 230/415 volt, AC as per existing rating complete all as specified and directed. |
| 60 | Supply & fix in replacement, testing,calibrating, commissioning of Digital motor protection relay (DMPR) as perexisting make & model, complete all as specified and directed by Engr-in-Charge. |
| 61 | M & L for XLPE insulated,armoured heavy duty electric cable with copper conductor,1100 volts grade, cross sectional area 6 sq mm x 3 core. |
| 62 | M & L for XLPE insulated,armoured heavy duty electric cable with copper conductor,1100 volts gradev of cross sectional area 10 sq mm x 3 core complete. |
| 63 | S & F in replacement of Thermostatic Expansion Valve suitable for blue star make air cooled chiller having capacity of 56 TR & as perexisting make & model, complete all as specified and directed by Engr-in-Charge. |
| 64 | M&L for servicingof theair cooled DX type chiller system of 50 TR capacityMake: Blue star installed at 7AC area with & includingtaking down and servicing motor squirrel cage induction motor of cooling fan of50 TR chillermake : Blue star from base for Servicing of motor overhaulingincluding greasing of all moveable parts and refitting same after repairfollowing all as directed and specified by OEM(i) Cleaning of all flow lines filter (Y- strainer)/Water lines completely (ii) Checking, Repair& Setting all controls, solenoid valves, three way valves, relays, thermostat, pressure switch and other related equipments/ control for effective and smooth functioning (iii)M&L for Charging of Refrigerant Gas (R-407A) and compressor oil to the entire satisfaction of Engr- in - charge ( Refrigerant Gas (R-407A) and (R-22) will be measured and paid seperately) (iv) Tightening the power circuit electrical connections, Control and command connections, correct both operation of heaters as per tightening torque table of OEM (v) Checking/ setting of all operating / functional /handling parameters for safe and economical operation of plant through out the period. (vii) Checking/ setting of all operating / functional /handling parameters to equipment controller for safe and economical operation of plant through out the period. Note - Descaling compound should be copper friendly. |
| 65 | Material and labour for carrying out leak test of centralAC plants of capacity up to 100 TR with use of nitrogen gas and rectifying the leakages, arresting the leakages. after completion of leak test pressure testing with Nitrogen gas, charging gas and testing commissioningcomplete all as specified and directed by Engineer-in-Charge.Note:-(i) Necessary copper pipes, welding works are deemed into Quoted rates.(ii) Necessary Refrigerant gasmeasured and paid separately. |
| 66 | Supply only gas R-22 for topup / charging of refrigerant |
| 67 | Supply only gas R-407A for topup /charging of refrigerant |
| 68 | S & F in replacement of filter drier suitable for bluestar make air cooled chiller having capacity of 56 TR & as perexisting make & model, complete all as specified and directed by Engr-in-Charge. |
| 69 | M&L for servicing of Hot water generator of 55 KW, 415 volts 3 phase 50Hz withtwo steps and PAN Humidifier 9kW,415V AC, single step with following repairs all as directed by engineer in charge (a) Cleaning the storage tank, water level indicator, heating coil/element with descaling solution/agent and soft brush with non metallic bristles without affecting thermal insulation/top cover gasket. (b ) inspecting control wiring including replacement of u/s wiring, servicing of power contactors etc. (c ) replacement of heating element,3kw capacity(d) inspecting/testing, servicing of relays, other safety valves Note: heating element shall be measured and paid separately. |
| 70 | Supply & fix in replacement of pressure gauge for chiller line and condencing pipe linesas perexisting make & model, complete all as specified and directed by Engr-in-Charge. |
| 71 | Supply & fix in replacement of flow switch 25mm size for inserting in line as perexisting make & model, complete all as specified and directed by Engr-in-Charge. |
| 72 | S & F in replacement of heating element upto 3kW, 230 Volt, ISI marked |
| 73 | M&L for descaling of chillerunit , shell and tube type 50 TR capacity with descaling compound (Copper Friendly), including nitrogen flushing / descaling compound and through cleaning with descaling brush with rod suitable size and dia and circulating by descaling pump including replacement of gasket set, nuts and bolts all as directed by Engr-in-Charge. |
| 74 | S & F in replacement of Crank case heater for scroll compressor (any Capacity) all as directed by Engr-in-Charge. |
| 75 | Supply and replace wire type water proof liquid temperature senser stainless steel tube 6 mm diameter with 30 mm long cable length 90 cm including all connection with control system. |
| 76 | Supply and fixMCCB of following capacity complete including taking down old unserviceable MCCB all as specified and directed by Engr-in-Charge.(a) 4 pole 63 Amps,415 Volts, 16 KA fixed type |
| 77 | All as per Srl item No 67 above but 3 pole 25 to 100 Amps,415 Volts, 16 KA fixed type. |
| 78 | All as per Srl item No 67 above but 4 pole 100 Amps 415 Volts, 16 KA Fixed type. |
| 79 | All as per Srl item No 67 above but 4 pole 160 Amps 415 Volts, 36 KA Adjustable type. |
| 80 | All as per Srl item No 67 above but 4 pole 200 Amps 415 Volts, 36 KA Adjustable type. |
| 81 | All as per Srl item No 67 above but 3 pole 250 Amps 415 Volts 36 KA Adjustable type. |
| 82 | Dismantling of old evaporator from existing and Supply and Fix shell and tube type evaporator/cooler with copper coil bunch suitable forair cooled chiller having capacity of 56 TR as perexisting make & model, complete all as specified and directed by Engr-in-Charge. Note- Lifting and shifting of item is included with quoted rate. |
| 83 | S&F air Purzzer Valve of suitable size as per existing as specified. |
| 84 | Supply and fixing in replacement of CAREL PGD user interface programmable controller display suitable for 56 TRair cool AC plantas per existing make and model including control wiring and complete connection all as specified and directed . |
| 85 | Supply and fixing in replacement of CAREL PCO 3M programmable controllersuitable for 56 TRair cool AC plantas per existing make and model including control wiring and complete connection all as specified and directed . |
| 86 | M&L for Iron grill/sheet or iron angle of 3mm thick for fixing of motor/pump foundation installed at various places (AHU,Pump) or making tranch/duct over Plate including necessary welding work at site as required |
| 87 | M&L for servicing of Air handling units of capacity 25 TR(10000 CFM), including cleaning of complete units, sheet metal parts, blowing out the dust, chemical cleaning by spraying the organic based scale removing agent Vaniklin at the appropriate ratio till removal of complete dust & scale deposits in the fin area of evaporator coil, flushing through for proper air flow across the coil, cleaning of expansion valve; greasing of blower motor, checking of electrical connection, cleaning of air filters,greasing of blower motor,replacement of un serviceable bearings,water drain lines, renewal of rusted sheet metal screws, applying synthetic enamel paint over a coat of primer on the rusted portion and testing & commissioning the unit all as specified and as directed by Engineer-in-Charge. Note :- Replacement of unserviceable filter will be measured and paid seperately. |
| 88 | Supply & fix in replacement of prefilters & fine filters box type with washable nylon filters media having 90% efficiency to control dust particles up to 10 microns fitted in aluminum framed with both side wire mesh of size610x610x50mmof class EU-4and for fine filters 99% efficiency to control dust particles up to 10 microns 610x610x500 mm EU-7 as per samplesuitable for 52 TR AHU plant, as perexisting make & model, complete all as specified and directed by Engr-in-Charge. |
| 89 | Material and labour for taking down old unserviceable scroll compressor debrazing the suction & discharge lines. Supply, testing and commissiong of Scroll compressor of Model No SY300, 3 Phase, 50 HZ, R-407 & rating including necessay welding/brazing with silver/copper brazing rods, copper pipe, sockets elbow, including charging of gas all as perexisting make & model, complete all as specified and directed by Engr-in-Charge. |
| 90 | Supply and fix in replacement ON/OFF Push button switch with two push buttons of existing specification complete all as specified and directed by Engr-in-Charge. |
| 91 | Supply and fix in replacementdryer for liquid line 5/8"" Sutaible for 50 TR compressor complete all as specified and as directed by Engr-in-Charge. |
| 92 | S&F anti freeze switch suitable for Central AC plants of air / water cooled type complete all as specified. |
| 93 | Supply and fix inreplacement of microprocessor electronic control cardchiller PCB suitable for 50 TRScroll chiller, as perexisting make & model, complete all as specified and directed by Engr-in-Charge. |
| 94 | Supply and fix in repair thermometer 0-60 Degree centrigrade suitable for fixing with 150 mm dia water circulating pipe by means of proper welding and connection with checking the running water temperature as per specification all asdirected.by Engr-in-Charge. |
| 95 | M&L for strip opening of blower shaft of AHU of existing capacity by removingthe belt and pulley, blower drum, dismantling the shaft and carrying out the necessary jobs including transportatons to & fro like welding, turning, grinding, etc. to have it"s original dimension including balancing of the shaft and refitting it in AHU and including reassembling the blower, pulley, etc with new bearing of existing size, testing and commissioning the AHU for satisfactory operation complete all as specified and as directed. NOTE - Bearing to be replaced will be paid and measured under the relevant item of this schedule. |
| 96 | M&L for spray Painting on all chiller & condenser pipes with colour code & Marking of flow of fluids/gas on Chillar plant/pipes inside the pump room all as specified and directed. |
| 97 | Strip openiningof existing Monoblock pump set of capacity upto 20 HP after diconnecting coupling of motor, 3 Phase, 415 Volts, & foundationnut bolts of pump and transporting of pump set to workshop for overhauling of monoblock/pump, machining of pump shaft, renewal of gaskets, replacement ofbearing, gland packing, Gun metal bushes, greasing of bearing complete all as specified. Note:- Ball bearing renewed and motor winding shall only be measured and paid separately in relevent item of schedule. |
| 98 | Supply only ball bearing of different sizes as per existing size in motor/pump. |
| 99 | S&F in repair single phase preventer 230 Volts, complete all as specified and directed by Engr-in-Charge. |
| 100 | Excavating in trenches not exceeding 1.5 meter wide and not exceeding1.5 meter in depth for laying of pipe lines etc and getting out in soft / loose all as specified and directed. |
| 101 | Returning, filling in, including spreading, leveling, watering and well ramming in layers not exceeding 25 cmin soft / loose soil all as specified and directed. |
| 102 | Removing excavated material/ surplus soilnot exceeding 50 meters and depositing where directed at a level not exceeding1.5 meter above the starting point. |
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