Military Engineer Services-MES has published Comprehensive Maintenance / Servicing Comprehensive Maintenance Servicing Comprehensive Maintenance Servicing Of 3 X 40 Tr Central Ac Plant Installed In Tarang Auditorium Including Cooling Tower, Lt Panel Components Etc And Allied Connected Work At In A. Submission Date for this Tender is 17-03-2022. Electrical Panel Tenders in North Goa Goa. Bidders can get complete Tender details and download the document.
| Sr No | CorrigendumDate | Corrignedum | CorrigendumType | NewSubmissionDate |
| 1 | 28-Feb-2022 | Amendment No 1 | BOQ | 10-03-2022 |
| 2 | 10-Mar-2022 | Bid Auto Extn Corrigendum | Bid Auto Extn Corrigendum | 17-03-2022 |
| 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 carbon brush for induction motor of upto 20 HP capacity complete all as specified and directed. |
| 4 | 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. |
| 5 | Upto 15 HP capacity |
| 6 | 20 HP to 40 HP capacity |
| 7 | 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 moveable parts, fixing in position, testing and commissioning complete all as specified and directed. |
| 8 | S & F in repairs microprocessor/ PCB for compressor of capacity upto 40 TR as per existing make/ model complete all as specified and directed. |
| 9 | Supply only 2/4 Amps HRC fuse as per existing sample complete all as specified and directed. |
| 10 | Supply only 2/4/6 Amps glass fuse as per existing sample complete all as specified and directed. |
| 11 | S & F heavy capacity wiring connectors complete all as specified and directed. |
| 12 | S & F in repairs solenoid valve assembly suitable for compressor of capacity upto 40 TR complete all as specified and directed. |
| 13 | Supply and topping up of new compressor oil and charging oil complete all as specified and directed. |
| 14 | Supply and charging refrigerant R-22 gas to AC plant and package type AC complete all as specified and directed. |
| 15 | S & F in repairs driving V belt “C-140 degree", of suitable size, for compressor unit complete all as specified and directed. |
| 16 | S & F in repairs driving V belt of suitable size for booster fan complete all as specified and directed. |
| 17 | S & F in repiars driving V belt of suitable size for blower motor complete all as specified and directed. |
| 18 | S & F in repairs driving V belt of suitable size for fresh air motor complete all as specified and directed. |
| 19 | S & F in repairs driving V belt of suitable size for blower motor package complete all as specified and directed. |
| 20 | S & F in repairs oil pressure switch, type MP- 55, complete all as specified and directed. |
| 21 | S & F in repairs loading and unloading valve, electrically operated, complete all as specified and directed. |
| 22 | S & F in repiars power contactor assembly suitable for upto 20 HP capacity motor/pump as per existing type and make complete all as specified and directed. |
| 23 | S & F in repairs thermal overload relay, upto 32 Amps for package type AC complete all as specified and directed. |
| 24 | S & F in repairs AHU runner shaft bearing (NTN-P-206J) complete all as specified and directed. |
| 25 | S & F in repairs rotary type selector switch for ammeter, 4 poles, complete all as specified and directed. |
| 26 | S & F in repairs voltmeter selector switch, 3 Phase, 440 volts complete all as specified and directed. |
| 27 | 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. |
| 28 | S & F in repirs push button assembly, LED type, suitable for existing system, 230V / 440 V AC supply complete all as specified and directed. |
| 29 | 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. |
| 30 | 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. |
| 31 | S & F in repairs auxillary contact NC/NO of existing make and size complete all as specified and directed. |
| 32 | S & F in repairs single phase preventor system for 415V 50 Hz supply complete all as specified and directed. |
| 33 | 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. |
| 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, pump motors, valves, pipe line etc and applying two coats of synthetic enamel paint of existing tint by spray painting complete all as specified and directed. |
| 36 | S & F cast iron sluice valve PN 1.6 of 100 mm dia bore with flanged ends, ISI marked with gun metal 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 | Providing services of trained and authorised service engineer/ technician and labour as required for attending to any type of faults in AC plant of capacity 3 x 40 TR including chiller unit, AHUs and connected electrical installations/ equipments as and when required at site with necessary testing equipments for checking/ inspecting the operating parameters and reviewing the previous month"s log sheet records and alarm history of the AC plant, chiller units, AHUs and its connected installations/ equipments by following all recommendations and instructions given in the installation and service instructions for the product, including tags and levels affixed to the equipment, and complying with all other relevant safety regulations including ensuring compliance of points enumerated from (a) to (aa) here-in-after complete all as specified and directed. Note: 1. If during operation of AC Plant, any fault is observed or any connected installations/ equipments become unserviceable, the contractor shall provide qualified trained authorisedservice engineer and technicians to visit the site with labour and necessary testing equipments and rectify the fault within 24 hours of the fault and make equipment fully functional. 2.Refrigerant gas required for topping up and refilling, if required, shall measured and paid under relevant item of Sch A |
| 38 | (a) Inspecting/ servicing/ repairing of chiller units installed in AC Plant all as directed by Eng-in-Charge. (b) Inspecting/ servicing/ repairing of chiller units for any unusal vibration, noise etc (c) Inspecting and carrying out descalling using descaling agent/material, repairing and carrying out maintenance work for the condenser unit. (d) Checking for any refrigent leakage in any units and rectifying the same by topping up gas as required at site and carrying out other required associated repair/ maintenance work forthe chiller unit. (e) Inspecting operation of expansion valve and carrying out all associated required repairs/ replacement of defective spares /maintenance work. (f) Inspecting operation of microprocessor and carrying out control test and all associated required repairs/ replacement of defective spares /maintenance work. (g) Inspecting operation of flow switch and carrying out calibration and all associated required repairs/ replacement of defective spares /maintenance work. (h) Inspecting operation of antifreeze and carrying out setting and all associated required repairs/ replacement of defective spares /maintenance work. (j) Inspecting operation of antifreeze and carrying out all associated required repairs/ replacement of defective spares /maintenance work. (k) Checking the system operating pressures and temperatures for proper functioning and carrying out all associated required repairs/ replacement of defective spares /maintenance work. |
| 39 | (l) Checking chiller and condenser water flow rate by carrying out water pressure drop test and all other associated required repairs/ replacement of defective spares /maintenance work. (m) Inspecting operation of control panel of the chiller and carrying out all associated required repairs/ replacement of defective spares /maintenance work. (n) Inspecting electronic boards comprising of basic board, slave board, user interface, connections between boards, slave boards, address, power supply to the boards & light emitting diodes on board of the chiller and carrying out all associated required repairs/ replacement of defective spares /maintenance work. (o) Inspecting operation of Pro-Dialog Plus Control comprising of start/ stop control, heating/cooling selection, evaporator water pump control, condenser water control, control interlock contact, evaporator heater control, control point, demand limit, capacity control; determining the lead circuit, circuit loading sequence, compressor startup sequence in one circuit, EXV control, motor cooling valve control, headpressure control on air cooled unit, head pressure control on water cooled unit, headpressure set point selection, high pressure load sheading function, high current load shedding function, start-up procedure prelubrication, master / slave assembley, controlling Pro-Dialog plus units with system manager and optional heat reclaim module chiller etc and carrying out setting and adjustment by operating machine 08 hours and all associated required repairs/ replacement of defective spares /maintenance work. |
| 40 | (p) Inspecting operation of internal oil filters of the chiller and carrying out all associated required repairs/ replacement of defective spares /maintenance work. (q) Inspecting operation of referigerent driers of the chiller and carrying out all associated required repairs/ replacement of defective spares /maintenance work. (r) Inspecting operation of compressor motor of the chiller and carrying out all associated required repairs/ replacement of defective spares /maintenance work. (s) Inspecting operation of compressor unit of the chiller and carrying out all associated required repairs/ replacement of defective spares /maintenance work including replacement/ toping up of compressor oil of the grade recommended by manufacturer. (t) Checking the system operating humidity and temperatures for proper functioning and carrying out all associated required repairs/ replacement of defective spares /maintenance work. (u) Inspecting/ servicing/ repairing the Air Handling Unts for any unusual vibration, noise etc. (v) Inspecting operation of solenoid coil and carrying out all associated required repairs/ replacement of defective spares /maintenance work. (w) Inspecting operation of filters and carrying out all cleaning /replacement of filters and associated required repairs/ replacement of defective spares /maintenance work. (x) Inspecting operation of blower and carrying out cleaning/ oiling & greasingand all associated required repairs/ replacement of defective spares /maintenance work. |
| 41 | (y) Inspecting operation of motor and carrying out cleaning/ oiling & greasingand all associated required repairs/ replacement of defective spares /maintenance work. (z)Inspecting/ servicing/ repairing different capacity pumps and motors (total 04 Nos) (aa) Inspecting/ servicing/ repairing LT electrical panels any type, servo voltage stabilizer 75 KVA installed in AC Plant/ electric control room/ AHUs etc. including all acessories at any position (total - 02 nos) |
| 42 | S & F informatory name board of size 1200 mm x 900 mm made of 2 mm thick aluminium sheet of following specifications, top level of board fixed at height of 3.00 m above GL, embedded in ground using PCC 1:2:4 type B-1 of min size 300mm x 300mm x 600 mm including necessary formwork, excavation and earth work complete all as specified and directed: (i) Aluminium sheet fixed on stainless steel rectangular frame using25 x 15 mm rectangular pipe with 35 mm dia stainless pipe as outer border all around (ii) Retro-reflective high intensity 400 micron thick blue colour sheet pasted with heating process on both sides of the board indicating "3 x 40 TR AC Plant INS Mandovi" as directed in 75 mm to 100 mm sized white coloured letters, cut to shape with special plotter (iii) 02 Nos 75 mm dia stainless steel pipes of 304 grade, glossy finish, with 3 mm thick MS plate welded at bottom of pipes. |
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