REPAIR AND MAINTENANCE OF FIRE ALARM PANELS, LT VOLTAGE STABILIZER, AIR COMPRESSORS OF DIFFERENT CAPACITIES AND ALLIED ITEMS AT AF STN NALIYA

Amount

Dehydration/ Filtration of stabilizer oil of existing voltage stabilizers of 30 kVA to 300 kVA installed at various locations, with portable plant to improve the dielectric strength 40 to 60 kV during filling of oil after filtration. Testing of dielectric strength after dehydration at site. Note: contractor shall produce the oil tests showing oil test results before and after filtration complete all as specified and directed.

Supply & filling of oil in voltage stabilizer/transformer at site for topping up the level of oil having dielectric strength 40-60 kV after filtration complete all as directed.

S&F in repair electronic control circuit board for servo voltage stabilizer (PCBs) suitable for stabilizer of capacity up to 200 KVA

S&F in repair servo motor for servo operation of capacity 3 to 10 Kg torque as per site requirement suitable for voltage stabilizer of capacity up to 300 kVA

S&F in repairs drive assembly suitable for servo motors of voltage stabilizer upto 200KVA complete all as directed

S&F in repair Trigger/Control transformer of suitable capacity for servo voltage stabilizer complete all as specified and as directed.

S&F in repair dimmer of suitable capacity for servo voltage stabilizer of capacity up to 200KVA complete all as specified and as directed.

S&F in repairs/replacement of LED indicator lamps of suitable capacity .

Labour and transporting charge for carrying unserviceable voltage stabliser/ air compressor/ UPS control panel of any capacity by disconnecting electrical connections and carrying to local workshop for repair/ rewinding. Note : 1. The cost of transporting veh, loading/unloading of plant is deemed to be incl in unit rate. 2. The cost of winding will be measured and paid under relevant item.

Labour for opening of servo voltage stabilizer of any capacity at workshop or at sub station after disconnecting electric and earth connection, drain out oil and kept in closed container for reuse, removing of top cover of stabilizer, cleaning of spare parts and washed down with the help of spray of clean oil and reassembling the stabilizer after replacement of unserviceable parts refilling of oil after checking dielectric strength and connecting electric connections and testing complete all as specified and as directed. Note:- If oil of stabilizer found less than required quantity the same shall be filled with new oil and will be measured and paid separately under relevant items

M&L for rewinding old/burnt out coils by super enameled copper winding wire of appropriate size of super quality (as per existing material & size of voltage stabilizer coils and reciprocating motor) including, insulating, varnishing, heating, and reassembling coils in position, etc for 315 KVA voltage stabilizer or motor.

Supply & fix top cover gasket made up of 5 mm thick cork sheet.

S&F in repairs drain gun metal gate valve 25mm dia as suitable for drain out oil from voltage stabilizer complete all as directed.

M&L for preparing old painted surface of voltage stabilizer outer surface/LT Panel board/Air compressor of any size and capacity by thoroughly cleaning the surfaces to remove dirt, dust, rust flakes and paint flakes, using wire brush or sand papers, damp cloth or as directed. Priming the surface with anti corrosive primers using suitable sprayers. Applying automotive paint using sprayers till glossy finish is obtained complete all as directed

M&L for servicing air compressor by cleaning all external parts, disconnecting electric connection greasing all moving parts checking electric connection checking serviceability and reconnecting cable connection complete all as directed.

S&F in replacement DOL starter 7 to 10 HP as suitable at site and as directed

M&L for repair/replacement of air pressure gauge as per existing pattern complete all as directed.

S&F in replacement of control circuit board suitable for 30KVA on line UPS as per site requirement complete all as directed.

Labour charges for inspecting of Voltage stabliser/UPS control panel/Air compressor by authorised person of OEM for maintenance and thoroughly checking all internal circuit wiring, If any minor part costing upto Rs 500/- will be changed by contractor and major part/spares shall be measures and paid separately. Note: Any part costing beyond Rs 500/- required for repair will be measured and paid under relevent item

S&F Voltage stabilizer for automatic operation,three phase naturally oil cooled indoortype & designed for input variationbetween 340 V to 460 V with outputvoltage stabilized at 415 with accuracy ±2.5% and speed of correction 8 Volts persecond and of capacity 10 KVA.

Shifting of Voltage stabilizer/LT Panel from one place to another place by disconnecting its all electrical connections transporting though their own veh and loading unloading etc. Note- The cost of the transporting veh and crane is deemed to be included in unit rate.

S&F in replacement of capacitor 25 KVAR box capacitor with inbuilt MCB and LED indication for APFC Panel cat Part No LTBCM325B2 of make L&T or equivalent including connecting in position complete all as directed

S&F in replacement of power factor controller 8 steps/8Relay output, 415volt, 3 CT, 5A with LED display including connection in APFC panel complete all as specified and directed

M&L for welding work for weld the hinges of panel door, MS sheet 3mm thick inclding 02 Nos hinges and piece of 3mm thick sheet not more that 0.25 Sqm area of sheet complete all as specified and directed by Engr-in-Charge

Supply install and commissioning Automatic Power Factor Correction (APFC) Panel out door type for 3 Phase, 415 V & 50 Hz system of capacity 160 KVAR USR with incoming MCCBs including internal wiring and connections complete all as specified and directed

Supply, jointing and testing indoor type cable termination (heat shrinkable) suitable for 3 core, 11 KV /underground electric cable, XLPE cable of size 95 sqmm, extra terminal length as required on ground complete all as specified

Supply, jointing and testing outdoor type cable termination (heat shrinkable) suitable for 3 core, 11 KV /underground electric cable, XLPE cable of size 95 sqmm, extra terminal length as required on ground complete all as specified

Supply, jointing and testing of cable joint kit of 11 KV grade cable for straight through heat shrinkage type joint complete with jointing material and accessories suitable for 3 Core CLPE armoured aluminum conductor of 95 sqmm complete all as specified

M&L earthing complete with copper earth plate electrode 600mmx600mmx3.15mm thick, thick buried directly in ground vertically to a depth not less than 2.25 mtr deep below GL with top edge of the plate not less than 1.50 mtr below normal GL and connected to earth plate . Earth plate surrounded by 15 cm thick packed layers of charcoal dust and common salt all around the earth plate and connected to earth lead of copper strip 20x3 mm by means of bolts, nuts, check nuts and washers of GI or steel and thimbles and other end of the earth wire connected to DB and protected by 50mm dia galvanized iron or steel pipe light grade and 20mm dia water pipe GI medium grade with funnel and wire mesh, including all necessary excavation and earth work PCC chamber in cement concrete 1:3:6 type C-2 and RCC cover and all as shown in electrical plate No 3 of MES schedule Pt I of 2009 and also including making test point for testing of earthing made out of gun metal or phosphorous bronze size 75x75x25 mm complete for DB and Industrial socket. Note : 1. Charcoal dust and common salt shall be filled in layers of 15 centimeters all around the earth plate. 2. Copper strip will be laid connected to test point through plinth protection necessary cost of repair to plinth protection and brazing and welding deemed to be included in the item copper strip beyond 7.5 RM will be measured and paid separately).On completion the earth resistance test to be carried out. If desired value of resistance not obtained, the earthing will be re-done at no extra cost.

M&L for maintenance of ACB 11 KV, 400/ 630 /1200 Amps by removal of ACB trolley, cleaning of all copper male and female contact, tightening of all connections, checking of all auxiliary contacts, control wiring, servicing of relays, relay setting etc, refixing the ACB trolley to its original position including proper setting of manual/ auto motorize operation of ACB, checking/setting of tripping system, etc complete all as specified and directed. Note:- Maintenance to be carried out by authorised person and test certificate shall be furnished

Supply and Fix SFS1-CPU card of EST3x fire alarm panel with below specifications : voltage 24 VDC, current standby 115 mA at 24 VDC Alarm 115mA at 24VDC Relay output. Quantity 3 (alarm, supervisoryand trouble) UL type comman contact arrangement arrangement from CRating 30 VDC at 1 resistance/AUX power outputs. Quanity 2 voltage 24 VDC, resetable or continous currrent 1.0 A total data network (RS-485) Nodes 2 to 64 (requires optional network card) Performance class A or class B wire type twisted pair, 6 twists per foot, mim circuit length 5000 ft (1,524m) between any three panels circiut resistance 90 Ω , max circuit capacitance 0.3 micro , max serial Port ( RS--232) Annunciato rport (RS-485) performance class B and Redundant Class BBaud rate 9600 and 34800 wire type twested pair, 6 twists per foot, min, circuit length 4000 ft (1,219m) circuit resistance 90Ω max circuit capacitance 0.3 micro farad, max.

M&L for sub main wiring with 2 core multistranded copper conductor cable of size 1.5 sqmm, PVC insulated, unsheathed fire retardant low smoke (FRLS) drawn through and including heavy duty ERW steel conduit not less than 25mm dia with all necessary fitting and including three run 2 core multistrainded copper cable, of size 1.5 sqmm, PVC insulated unsheathed fire retardant as eart wire, fixed on wall/ceiling complete all as specified and directed. Note:- (Two) 02 runs of 2 core 1.5sqmm main DC supply cable for Fire Alarm Beam Detector mODULE AND (oNE) 01 rUN 2 CORE 1.5sqmm main AC power supply for Beam Detector Panel.

Supply & Fix in Replacement CPU card of RTU panel for AC PLANT temperature and humidity indication and transmission system and Siren System control panel with below specifications: Voltage 12 VDC, Current: Standby 115 mA at 12 VDC Alarm 115 mA at 12 VDC Contact arrangement Form C Rating 30 VDC at 1 A resistive AUX power outputs: Quantity 1 Voltage 24 VDC, resettable or continuous Current 1.0 A total Data network (RS-485) Nodes 2 to 64 (requires optional network card) Performance class Class A or Class B Wire type Twisted pair, 6 twists per foot, min. Circuit length 5,000 ft. (1,524 m) between any three panels Circuit resistance 90 Ω, max. Circuit capacitance 0.3 μF, max. Serial Port (RS-232) Annunciator port (RS-485) Performance class Class B and Redundant Class B Baud rate 9600 and 38400 Wire type Twisted pair, 6 twists per foot, min. Circuit length 4,000 ft. (1,219 m) Circuit resistance 90 Ω, max. Circuit capacitance 0.3 μF, max.

Supply & fix in replacement Analog input card of Remote Terminal Unit panel with FRC cables and its connecting accessories for AC Plant panel complete all as specified and directed.

NILESH SUBHASH KARALE