Military Engineer Services-MES has published Tender For Repair/ Maintenance Of Central Ac Plant, Compressor, Cooling Tower And Allied Works At Ins Mandovi Under Ge (P) Navy Mandovi. Submission Date for this Tender is 14-03-2023. HVAC Tenders in North Goa Goa. Bidders can get complete Tender details and download the document.
| Sr No | CorrigendumDate | Corrignedum | CorrigendumType | NewSubmissionDate |
| 1 | 07-Mar-2023 | Bid Auto Extn Corrigendum | Bid Auto Extn Corrigendum | 14-03-2023 |
| Sl. No. | Item Description |
| 1 | M & L for de-scaling of water cooled condenser unit of 40 TR capacity after opening end covers and removing scales using approved non-chemical water treatment system and nylon brushes and re-assembling the same by replacing rubber gasket and washing by circulating fresh water complete all as specified and directed. |
| 2 | M & L for cleaning of cooling coil of 26000 CFM capacity AHU including flushing with suitable high pressure gas and chemicals approved/ recommended by the manufacturer complete all as specified and directed. |
| 3 | S & F in repairs ball / roller bearing of suitable size for pumps and motors of following capacity and re-installing at site including testing on completion complete all as specified and directed. |
| 4 | Upto 15 HP capacity |
| 5 | 20 HP to 40 HP capacity |
| 6 | M & L for servicing monoblock pumps of 5 HP to 15 HP capacity including dismantling and opening the pump, repairing/ replacing defective impeller, replacing wornout bearing impeller, stuffing box, back plates, gland packing, mechanical seal and rusted nut, bolts etc, assembling properly, greasing all movable parts, fixing in position, testing and commissioning complete all as specified and directed. |
| 7 | S & F in repairs microprocessor/ PCB for compressor of capacity upto 40 TR as per existing make/ model complete all as specified and directed. |
| 8 | Supply only 2/4 Amps HRC fuse as per existing sample complete all as specified and directed. |
| 9 | Supply only 2/4/6 Amps glass fuse as per existing sample complete all as specified and directed. |
| 10 | S & F heavy capacity wiring connectors complete all as specified and directed. |
| 11 | S & F in repairs solenoid valve assembly suitable for compressor of capacity upto 40 TR complete all as specified and directed. |
| 12 | Supply and topping up of new compressor oil and charging oil complete all as specified and directed. |
| 13 | Supply and charging refrigerant R-22 gas to AC plant and package type AC complete all as specified and directed. |
| 14 | M & L for cleaning, oiling and greasing of fan motor bearing and alloy metal blade of cooling tower fan complete all as specified and directed. |
| 15 | S & F in repiars V belt of suitable size for different motors of 40 TR AC plant complete all as specified and directed. |
| 16 | S & F in repiars micro-computer voltage protection device (MVPD) with display complete model-EC, Type-MVPD, Range 30-220 Amps, Aux supply - 230V, Special - 5 sec Curve MPD to match existing/ suitable on site complete all as specified and directed. |
| 17 | S & F in repairs oil pressure switch, type MP- 55, complete all as specified and directed. |
| 18 | M & L for cleaning the cooling tower by applying wire brush, washing powder and other solvent by removing the deposited impurities such as silt, dust particles, mud/ sand etc inside the dome and around the fins, on wire mesh, main shaft etc. and other connected items using chemical compound based on sulphuric acid or hydrochloric acid; preparation of old painted surfaces of cooling structure and water lines, removing dust and other deposited materials by scrapping; painting condenser lines of chiller & cooling tower structure by applying two coats of synthetic enamel paint (first grade/ quality) of mint green tint over a coat of red oxide zinc chrome primer including making data entry in 50 mm high figures/ letters, with blue/ black paint complete all as specified and directed. |
| 19 | M & L for cleaning of concealed air ducting of AC plant of capacity 40TR installed at auditorium including replacing defective nuts and bolts, ceiling brackets & parts; repairing and arresting of any leakages in ducting and testing commissioning of plant after completing of work complete all as specified and directed. Note: Quoted rate shall be deemed to be inclusive of all types of brackets and any spare parts and fitting required for completion of work. |
| 20 | S & F in repairs loading and unloading valve, electrically operated, suitable for 3 x 40 TR capacity AC plant complete all as specified and directed. |
| 21 | S & F in repairs power contactor assembly suitable for upto 20 HP capacity motor/pump as per existing type and make complete all as specified and directed. |
| 22 | S & F in repairs thermal overload relay, upto 32 Amps for package type AC complete all as specified and directed. |
| 23 | S & F in repairs AHU runner shaft bearing (NTN-P-206J) complete all as specified and directed. |
| 24 | S & F in repairs rotary type selector switch for ammeter, 4 poles, complete all as specified and directed. |
| 25 | S & F in repairs voltmeter selector switch, 3 Phase, 440 volts complete all as specified and directed. |
| 26 | S & F in repairs indicator lamp assembly set, LED type, suitable for existing system, 230V / 440 V AC supply complete all as specified and directed. |
| 27 | S & F in repairs push button assembly, LED type, suitable for existing system, 230V / 440 V AC supply complete all as specified and directed. |
| 28 | M & L for repairing damaged cooling tower internal PVC pipe of 40/80 mm with necessary fixing and connected materials by removing PVC fills and other connected accessories and fixing/ laying the removed PVC fills and other connected accessories after cleaning complete all as specified and directed. Note: PVC fills/ nozzles required for repairing shall be measured and paid under relevant item of the Schedule. |
| 29 | M & L for checking for damaged wiring and rewiring all control panels at AC plant with wires of suitable gauge, naming and numbering complete all as specified and directed. |
| 30 | S & F in repairs auxillary contact NC/NO of existing make and size complete all as specified and directed. |
| 31 | S & F in repairs single phase preventor system for 415V 50 Hz supply complete all as specified and directed. |
| 32 | S & F in repairs electronic timer for star delta function having time range 1 - 20 sec, input voltage 380-440V AC or as per existing make and model complete all as specified and directed. |
| 33 | S & F in repairs contactor for start delta starter of capacity upto 30 HP as suitable at site including testing and commissioning complete all as specified and directed. |
| 34 | S & F in repairs fully automatic star-delta starter suitable for motor upto 30 HP capacity complete all as specified and directed. |
| 35 | M & L for preparation of old painted surfaces of chiller units, pumps, motors, valves, pipe line etc by cleaning with sandpaper and applying two coats of synthetic enamel paint of existing tint by spray painting complete all as specified and directed. |
| 36 | S & F in repairs cast iron sluice valve, PN 1.6, 80 mm dia bore, with flanged ends, ISI marked with gunmetal spindle CI gate with brass ring and iron wheel handle with jointing material such as nuts /bolts washers and rubber insertion sheet etc complete all as specified and directed. |
| 37 | M & L for repair and rewinding of compressor motor of capacity upto 30 KW of 40 TR AC plant after taking out from its existing location, transporting to a reputed workshop, removing defective burnt wiring, rewinding of motor with new copper wire of suitable gauge including replacement of insulation paper, baking, heating, varnishing of winding, replacement of bearing, any machining and lathe work as required, replacement of hardware as required etc and refixing it in existing location including testing, commissioning complete all as specified and directed. |
| 38 | S & F in repairs ON-load changeover switch, 400 Amp, 4 pole with steel enclosure including connecting existing cables after replacing suitable lugs complete all as specified and directed. |
| 39 | S & F in repairsMCCB 400 Amp 4 Pole 50 kA, thermal magnetic adjustable type complete all as specified and directed. |
| 40 | Nitrogen testing for 3 x 40 TR capacity AC plant compressors including condensing unit and gas piping as per the manufacturer"s instructions complete all as specified and directed. Note: Nitrogen pressure inside the unit shall be maintained without any drop in pressure continuously for 24 hours. |
| 41 | S & F hot dip galvanised perforated type cable tray of 16 SWG size 400mm (width) x 75 mm (height) including all connected accessories complete all as specified and directed. |
| 42 | M & L for earthing complete with steel earth plate electrode 60cm x 60cm x 6 mm thick buried directly in ground, vertically (earth pit not less than 2.25 mtr below ground level) with top edge of plate not less than 1.5 mtr below ground level connected to GI earth strip 32 x 6 mm by means of bolts, nuts, check nuts and washers etc including 15mm dia protection pipe upto 7.5m length, connecting the earth lead to earth connection in the main distribution box with lugs and GI nuts, bolts etc as shown onelectrical plate No 3 of SSR part 1 including neccessary excavation in disintergrated hard rock, filling earth upto 15 mm thick and providing earth pit, 20mm dia GI funnel, PCC earth chamber, 100mm thick precast RCC cover with suitable precast RCC frame and earth test point and testing including taking out old earthing complete all as specified and directed. Note:- On testing after completion if the desired earth resistance is not obtained, earthing shall be redone at no extra cost. |
| 43 | M & L for providing 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 galvanised iron strip of 32mm x 6mm complete all as specified and directed. |
| 44 | Servicing/ overhauling of open type compressor unit of capacity 40 TR afterdismantling compressor unit to its smallest components/ parts in presence of MES representative, displaying all the parts/ components of compressor for inspection of Engineer-in-Charge to ascertain the serviceability of existing parts including carrying out maintenance and check as per the Maintenance Manual along with the following other repairs complete all as specified and directed.:- (a) Draining out compressor oil, charging and refilling after repair/ servicing. (b) Dismantling heads of compressor, replacing gaskets, repairing head assembly by adjusting valves and replacing worn out components as directed by Engineer-in-Charge. (c) Dismantling, de-carbonizing and degreasing all parts such as piston assembly, heads, crank case, crank shaft, etc. (d) Checking all rotary and stationery parts (existing) for its smooth functioning. (e) Assembling of compressor with old serviceable parts and replacing unserviceable parts by new parts where necessary. (f) Testing of compressor after servicing/ overhauling as per direction by Engineer-in-Charge. Notes: (i) Any parts/ spares required to be replaced during servicing/ overhauling of compressor shall be measured and paid separately under relevant items here-in-after at supply only rates. (ii) Any minor parts such as split pins, screws, washers, etc. required for commissioning of work shall be supplied by the tenderer and rate for the same shall deemed to be included in the unit rate quoted against the item. |
| 45 | Supply only "Discharge oil filter" for open type compressor unit of 40 TR capacity complete all as specified and directed. |
| 46 | Supply only "Side cover gasket set" for open type compressor unit of 40 TR capacity complete all as specified and directed. |
| 47 | Supply only "Top cover gasket set" for open type compressor unit of 40 TR capacity complete all as specified and directed. |
| 48 | Supply only "Back cover gasket set" for open type compressor unit of 40 TR capacity complete all as specified and directed. |
| 49 | Supply only "Piston rings set (set of 02)" for open type compressor unit of 40 TR capacity complete all as specified and directed. |
| 50 | Supply only "Suction valve reed" for open type compressor unit of 40 TR capacity complete all as specified and directed. |
| 51 | Supply only "Suction valve spring" for open type compressor unit of 40 TR capacity complete all as specified and directed. |
| 52 | Supply only "Suction valve "O" ring" for open type compressor unit of 40 TR capacity complete all as specified and directed. |
| 53 | Supply only "Discharge valve reed" for open type compressor unit of 40 TR capacity complete all as specified and directed. |
| 54 | Supply only "Discharge valve spring" for open type compressor unit of 40 TR capacity complete all as specified and directed. |
| 55 | Supply only "Connecting rod big end bearing nuts bolts" for open type compressor unit of 40 TR capacity complete all as specified and directed. |
| 56 | Supply only "Rotary shaft seal" for open type compressor unit of 40 TR capacity complete all as specified and directed. |
| 57 | Supply only "50 mm bore suction valve packing Teflon 3 mm thick (plate type)" for open type compressor unit of 40 TR capacity complete all as specified and directed. |
| 58 | Supply only "40 mm bore discharge valve packing Teflon 3 mm thick (plate type)" for open type compressor unit of 40 TR capacity complete all as specified and directed. |
| 59 | Supply only "Crank case heater cap 200 Watt" for open type compressor unit of 40 TR capacity complete all as specified and directed. |
| 60 | Supply only "Compressor oil pump" for open type compressor unit of 40 TR capacity complete all as specified and directed. |
| 61 | Supply only "Piston assembly" for open type compressor unit of 40 TR capacity complete all as specified and directed. |
| 62 | Supply only "Connecting rod" for open type compressor unit of 40 TR capacity complete all as specified and directed. |
| 63 | Supply only "Gudgen pin" for open type compressor unit of 40 TR capacity complete all as specified and directed. |
| 64 | Supply only "Cylinder liner" for open type compressor unit of 40 TR capacity. |
| 65 | Supply only "Cylinder liner washer Aluminium" for open type compressor unit of 40 TR capacity. |
| 66 | Supply only "Discharge valve plate" for open type compressor unit of 40 TR capacity. |
| 67 | Supply only "Oil pump suction strainer (Compressor 40 TR)" for open type compressor unit of 40 TR capacity. |
| 68 | Supply only "Suction line strainer fine net" for open type compressor unit of 40 TR capacity. |
| 69 | Supply only "O" Ring for compressor rotary shaft seal" for open type compressor unit of 40 TR capacity. |
| 70 | Supply only "Gasket for suction line header" for open type compressor unit of 40 TR capacity. |
| 71 | Supply only "Service valve suction rubber bush" for open type compressor unit of 40 TR capacity. |
| 72 | Supply only "Service valve discharge rubber bush" for open type compressor unit of 40 TR capacity. |
| 73 | Supply only "Service resistance set fitted with porcelain tube for slip ring assembly" for open type compressor unit of 40 TR capacity complete all as specified and directed. |
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