Construction of MSSR at Katihar station. SH- Provision of Electrical and Fire protection system of MSSR Katihar station.

SH-I FIRE ALARM,FIRE EXTINGUISHER & FIRE SUPPRESSION SYSTEM Supply, installation, testing & Commissioning of 02 Loop Microprocessor based intellegent analog Addressable Type Fire Alarm Control Panel, with minimum 160 character LCD display,The panel should be equiped with each loop capacity to take minimum 125 intellegent addressable detectors/ devices in one loop. The panel shall have inbuilt power supply and battery charger having modbus / backnet facility to connect with Graphic software.etc as required.

Supplying, Installation, and commissioning of Addressable Smoke detector with Standard Universal base LED. etc. Suitable for continuous operation etc.as required as per specification.

Supplying, Installation, testing and commissioning of Addressable Heat Detector with Standard Universal base LED. etc Suitable for continuous monitoring including connection etc.required as per specification.

Supply ,Installation,testing and Commissioning of hydrogen gas detector with standared universal base LED .etc Suitable for continuous monitoring including connection etc.required as per specification.

Supply, Installation, Testing & Commissioning of Clean Agent Gas Flooding System for following areas, complete using Gas Agent as per CPWD specifications, BIS standards, NFPA 2001. Supply of Cylinder UL listed / CCOE Approved , complete with valve ( with reserve quantity of cylinder) assembly and arrangement for Supervisory switch connection for monitoring cylinder pressure. a pressure gauge with a safety burst disc, electronic control head / Solenoid, pressure operated control. head, flexible Strap, NRV and safety cap, Gas. Quantity would be as per the design volume and as per the necessary codal specifications UL certification or equivalent approval/certification. CLEAN AGENT shall be of IG541- as pet CPWD Clause 2.6 of Part 8 "Gas Based Fire Extinguishing Systems Specifications" as per latest amendements, with Zero Ozone Depletion Potential(ODP), has Colour less gas and citrus like odour. Gas flooding System With all cylinders, gas, manifold, Master Cylinder Accessories for above including Electrical Control Head ( 24 V DC ), Discharge Hose and Gas discharge Warning sign, Nozzles including providing, installing, testing and commissioning of 2 zone Gas Release Panel (UL Listed) With 2 Fire Alarm Zone and 2 Gas Release Zone complete with timer, battery back up, Gas Release/Gas Abort Switch (UL listed) etc complete system as required. Note: The system will be provided in specified areas The contactor will design the system as per CPWD'S General Specifications for electrical Works Part-VIII Gas Based Fire Extinguishihg System. The contractor will get the design approved by AAI before execution; Statutory Approvals will be taken from concerned authorities, The piping design and pressure calculations using manufacturer design software for a given dimension of room duly approved by manufacturer/ distributors Shall be submitted prior to starting of the works.

Equipment room (3F), Approx volume 324 cu.mtr.

UPS and Battery Room (3F), Approx volume 97 cu. mtr

Aneetna Motor Room (6F), Approx volume 198 cu.mtr.

Supplying, Installation, Testing and commissioning of Water proof Addressable Manual Call Box/Point suitable for continuous monitoring including necessary connections etc. required as per specification.

Supply, Installation, Testing and commissioning of addressable Response Indicator suitable for continuous monitoring including necessary connections etc. required as per specification.

Supplying, Installation, Testing and commissioning of addressable electronic Hooter with Speaker with range of 25-30 meters with 4 Watt Output including connections etc. required as per specification.

Supply, Installation, Testing and Commissioning of micro-controller type GSM Based Speech and SMS dialer for immediate communicating the pre recorded alarm speech messages and SMS to pre-feed minimum 10 telephone/mobile numbers in predefined sequences or at the same moment suitable for the Control Panel and Detectors of Item No.- 1 and 2 above including connections etc. complete as required.

Supply, Installation, Testing and Commissioning of addressable relay/control module for AHU , LIFT integration

Supply, Installation, Testing and Commissioning of monitor module for beam detector and hydrogen gas detector

Supply, Installation, Testing and Commissioning of BEAM detector

Supplying & laying of 2C X 1.5 sqmm fire survival armoured cable, 600 / 1000V rated with annealed copper conductor having glass mica fire barrier tape covered by an extruded layer of Cross Linkable Ethylene Propylene Rubber (EPR) insulation and LSZH inner bedding, galvanised steel wire armouring & LSZH outer sheath , in existing conduits / surface/ recess / above false ceiling /concealed space/wall concealed for all fire detection and alarm devices and interconnecting etc as required.

Supply and fixing CO2 type fire extinguishers of 4.5 kg each as per IS : 2878-1976 and mounting the same on wall by means of suitable hooks.

Supply and fixing ABC type fire extinguishers of 4.5 kg each as per IS : 2878-1976 and mounting the same on wall by means of suitable hooks.

SH-II LIGHTNING PROTECTION SYSTEM SITC of Parallel Connectors for (700mm air terminal) connecting two conductors in parallel manner. Material- StSt, with clamping range- Rd / Rd 7- 10 mm & Complied as per Standard IEC/EN 62561-1.

Supply, Installation, Testing & Commissioning of Conventional Vertical Air terminal Lightening Arrestor, made of 1 inch dia 5 feet length soild 90% or more pure copper rod, positioned above and fixed/joined/welded with 100 mm dia. FRP, 4 Mtr. Length mounted on 100 MM dia. GI Mast, 4.5 Mtr. Length Class B GI pipe and installing the same on ground including providing GI base plate of suitable thickness at bottom, making plinth, RCC foundation as per technical specification or as specified by EIC or his authorised representative. The structure must be supported by providing suitable no. of Stay wires i/c connecting the stay wires to the GI Pipe, providing and grouting of stays etc. complete as required.

Supply, Installation, Testing & Commissioning of Fixing clamp with tensioning strap, for fixing Combi supporting tubes, e.g. to antenna masts or other pipes without spacer

SITC of Universal connector of Material- StSt, with clamping range- 8-10mm, with truss head screw M10x35 mm & Complied as per Standard IEC/EN 62561-1.

SITC of Roof Conductor of Diameter Ø- 8 mm, Cross-section- 50 mm2, of Material- AlMgSi & Complied as per Standard IEC/EN 62561-2.,

SITC of Conductor holder for Parapet wall/Side wall. Having height- 16 mm, Thread of conductor holder- M8, Material of conductor holder- SS, Conductor leading- loose, Conductor holder support Rd- 8 mm. With accessories Screw and Gitty, Material SS (M5 x 50mm)

SITC of Lightning strike counter used to count the digital impulse currents. Device for installation preferably on down conductors of the lightning protection system or between equipotential bonding bar and earth-termination system. Operating current (8/20 μs)- 1 kA, Max. discharge current (10/350 μs)- 100 kA, Clamping range- Rd/Fl 8-10/30 mm, Number of occurrences up to 999, Operating temperature range (TU) -20 °C ... +60 °C. Lithium battery 3V, CR123A,

FOR DOWN CONDUCTOR SITC of Down Conductor of Diameter Ø- 8 mm, Cross-section- 50 mm2, of Material- AlMgSi & Complied as per Standard EN 62561-2.,

SITC of Conductor holder for Parapet wall/Side wall. Having height- 16 mm, Thread of conductor holder- M8, Material of conductor holder- SS, Conductor leading- loose, Conductor holder support Rd- 8 mm. With accessories Screw and Gitty, Material SS (M5 x 50mm)

SITC of UNI Disconnecting Clamps with intermediate plate for round and flat conductor of Material- StSt, Material thickness- 2.5 mm, with clamping range- Rd / Fl 8-10 / 30 mm, & Complied as per Standard IEC/EN 62561-1.,

SITC of GI flat (25x5 mm) for interconnection of earth pit & termination to earth pit Weight 1.2 kg/m (approx.) Cross Section 150 mm2 ,Coating thickness Avg. 70 microns. As per IEC 62561-2 ,Material Hot dipped Galvanized Iron

SITC of GI strip holder of material- Dow moulded compound, having height- 19mm, Slot Size- 25x5 mm.

Providing joints by using brazing technique on 25 mm X 3 mm copper strip on surface or in recess for connections to another copper earth strip for interconnection to all earth's of Lightening Arrestors, counterpoise , Equipment and Electrical power supply earthing etc. as required.

SH-III EARTHING, SPD & LIDGS SITC of Copper bonded rod with Low carbon steel, high tensile strength copper bonded rod with min 254 microns of copper plating, UL listed with company name marked on rod. Diameter- 17.2 mm, Length- 3 meters, Material- Copper Bonded, Coating thickness- 250 microns, min, Approvals- Tested acc. IEC / EN 62561-2, UL 467., 20 kg backfilled compound, - Material Carbon based backfill/earthing compound, Fulgurite formation test at direct lightning (10/350 μs), lightning long duration test at- 100C No fulgurites/Pass, Environmentally Friendly ROHS certified, Resistivity- < 0.12 ΩM, Complying Standard- IEC 62561-7 , Testing Approvals Certified from- NABL accredited Laboratories, StSt 316 grade clamp to terminate the load on earth electrode. Dimension- 160x35x3 mm, Poly plastic pit cover of material- Polymer Body & Cover, Product Code- HEP, Dimensions- 308 mm (L) x 308 mm (W) X 214 mm (H), Weight 2.5 kg (5.50 LBS).

Supply, Installation, Testing and Commissioning of Cu plate earthing station including excavation, back filling, using 600x600x3.15 mm GI Plate with Earthing Enchancement Compound / Salt & Charcol filling along with complete 40 mm dia GI perferated water pipe of 3m long with funnel.As per specifications and in conformity with IS 3043.

SITC of GI flat (25x5 mm) for interconnection of earth pit & termination to earth pit Weight 1.2 kg/m (approx.) Cross Section 150 mm2 ,Coating thickness Avg. 70 microns. As per IEC 62561-2 ,Material Hot dipped Galvanized Iron

SITC of Providing of Plastic Corrosion Protection strip: Approx 1.1 mm thick Width 50mm. Made of petrolatum- coated chemical fibre fabric

SITC of 3 Phase / Type1+2 (KEMA Certified) Lightning current & Surge Protection Device at mains LT panel (3 phase, 415 V) for (L-N) Single- pole combined lightning current and surge arrester, Type 1 SPD The device shall be non-exhausting metal encapsulated, spark gap based technology and tested as per latest and valid IEC 61643-11:2011 or EN 61643-11:2012 standards. It shall be capable to discharge Lightning current (10/350µs) of 25kA (L-N) and 100kA(N-E) and voltage protection level of device shall be ≤ 1.5 KV,. The device shall have inbuilt fuse for L N. Follow current extinguishing capability [L- N]/[N-PE] : 100kArms / 100Arms. The device shall have built in fuse and operation of SPD shall be independent of Line current for L N SPD. The short circuit with stand capability of the device shall be 100 KArms for L-N SPD. The device shall have mechanical indication for both the states (green for ‘healthy’ and red for failure) on L-N and N-PE. The device shall be certified by KEMA /VDE or NABL lab as per IEC 61643- 11:2011 or or EN 61643-11:2012 for testing of all parameter at 10/350 µs and 8/20 µs. with transparent enclosure IP65

Supply, Installation, Testing and Commissioning of single phase surge protection device type 2 / class II M TT 2P 320 FM surge arrester Modular and pluggable two pole surge arrester for single-phase 230 V TT and TN systems, width: 2 modules With remote signalling contact Type 2 SPD according to EN 61643-11 Max. continuous operating voltage: 320 V a.c. Voltage protection level: <= 1.5 kV Nominal discharge current: 20 kA Short circuit strength: 25 kArmsEnergy coordinated according to IEC 62305-4 with arresters of the Red/Line series Fault indication. Type: VT2 M TT 2P 320 FM. Certified by CE, KEMA and UL. Surge protection devices shall be enclosed in polycarbonate enclosure of IP 65 with accessories

Supply, Installation, Testing and Commissioning of Single Phase modular type Surge Protection Device (CLASS- B,1,Stage-1/primary) with minimum lightning impulse current (Iimp) of 100KA (10/350 micro seconds) neutral to earth, 50 KA (10/350 micro sec) line to neutral ,limiting voltage less than 1.5 KV,to be installed in parrallel at the mains panel of power entry point including making connection of surge protection device in parallel to the busbar of the main electrical panel using 16 Sq mm single core PVC insulated flexible copper conductor cables, in IP55 grade powder coated metal enclosure with 63 Amp. service / bypass changeover switch, on the mains power entry point at the incomers including all accessories such as suitable rating , MCBs, making end terminations, fixing/mounting arrangement of SPD ,

Supply, Installation, Testing & Commissioning of 100 KA isolating spark gap according to IEC 62561-3:2011 (81/387/CDV) / EN 62561-3 for lightning equipotential bonding according to IEC 62305-3, particularly for use in potentially explosive atmospheres up to zone 1 or 21 IECEx / ATEX certification (2014/34/EU) Ex marking according to IEC / EN 60079: Gas II 2G Ex d IIC T6 IEC / EN 61241: Dust II 2D Ex tD A21 IP67 T 80°C Lightning impulse current (10/350) : 100 kA Class of lightning current carrying capability acc. to IEC 62561-3: 2011 (81/387/CDV) / EN 62561-3: H Nominal discharge current (8/20): 100 kA Rated impulse sparkover voltage: <= 1.25 kV Power frequency sparkover voltage (50Hz): <= 0.5 kV Rated power frequency withstand voltage (50 Hz): <= 250 V Rated discharge current (50 Hz): 500 A / 0.2 sec. (Tu <= 45°C) Degree of protection: IP67 Enclosure: M10 x 25 screw and spring washer on both ends

Supply, Installation, Testing & Commissioning of 32 Amps Multistage 1 phase Series Power Filter with neutral protection with MOV 40 KA + 25 KA rating in IP55 grade Powder coated metal enclosure with a 63 Amps service bypass changeover switch and copper inter connection cables and end termination etc. as required to be installed at input of the UPS/Voltage stabilizer in series complete as required with CE Certified including Accessories Kit. (Secondary Protection)

Supply and Laying of 1C X 6 sq.mm FRLS Copper flexible wire

Supply and Laying of 1C X 10 sq.mm FRLS Copper flexible wire

Supply and Laying of 1C X 16 sq.mm FRLS Copper flexible wire

SITC of Low Impedance Digital Grounding System 240kA Single Phase three wire LIDGS 4th Generation equipment Grounding & bonding system with built in 100% Lightning and Surges, static charge, Noises, ESD, EPR and abnormal electrical characteristics eliminator which enter from power and other service lines and ensuring clear bonding potential (earth to Neutral voltage) less than 1.0V, a digital 3 Digit LCD Impulse real Date time Counter with threshold of 1KA, self health visual status indicator, built Zero leakage Current based solution. Lightning Impulse Current Discharge Capability up to 12 KA (10/350μsec) Surge Discharge Current Capability up to 40KA (8/20μsec) 7 Modes of Protection (L1-N, N PE, L1- PE) total surge handling capacity 240KA Shortcircuit extinguishing and limiting capabilities up to 25KArms without tripping of Let-through-energy of less than 01 Joule in a Pre-wired pulverulent body painted metal enclosure to be connected in parallel to the power supply circuit, Conforming solution CE NABL IEC 61643-11 -2011.

Supply of Trolley type High tensile Aluminium alloy degree tiltable tower extension ladder bucket type, suitable for working at inclined position and work upto 33 feet at 90 degree and minimum 22 feet at inclined position, with atleast 8 mm double steel wire, with heavy duty wheels made of solid rubber Casted wheels of size 18”x 3” dia with double ball bearing, match with relevant IS 733 certificates of aluminium Temper T6, including the test certificate on withold/bearing loads on structure, having suitable plateform size for working man and comply the following requisite etc as required by AAI. a) Supports Jacks- 04 Nos b) Hand operated winch- 2 no. one for lowering & other for tilting system seperately. c) Trolly made of MS has to bear a load at least 200 KG excluding ladder. d) Ladder extension Height- minimum 30 feet e) Ladder plateform Height- minimum 27 feet f) Ladder closed height - 15 Feet+/-2 feet g) Ladder folding- two/three folds h) Ladder tilted height - Must have to pass through door of 1.5 Mtr width & 1.9 Mtr height i) Ladder should be corrugated for grip even in raining condition. j) Rubber Mats - as necessary

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