The Safety Engineering work along with essential Mechanical and Electrical work at Twin Tunnels of Eastern Freeway- 1 Supply, installation. testing and commissioning of bi-directional Jet Fans (30 kW each) with impeller diameter of 800 mm, static thrust of 850 N and motor protection class IP 55 as per the specifications. Fan housing made of Mild Steel + galvanized and powder coated RAL 7030 (100µm). 2 hours at 250 DegreeC (as per NFPA). with Silencers for Jet Fans made of sound absorption material, Steel, strip galv. & riveted in accordance with ISO-1462 and powder coated RAL 7030 (100µm) with 1.0mm casing thickness, Mineral wool: Non flammable class A2 DIN 4102 T1, including items mentioned below:The Jet Fan casing include following sensors:Fan displacement sensor / Fan disconnection in case of suspension failure.Bearing temperature sensor, Fan Vibration monitoring sensorSupply, installation, testing and commissioning of Heavy Duty support anchors made of Inox steel approved for zones subject to tensile forces to mount the jet fans on ceiling parallel to the longitudinal axis of the tunnel. Vibration Isolation springs have to be provided with a static deflection as per the ASHRAE & manufacturer standards as per the specifications.16Nos. of Anchor fastener considered for installation of one Jet Fan.Supply, installation, testing and commissioning of safety chains made of stainless steel, arranged from the wall independent of fixed frames to protect the jet fans from falling as per the specifications.Note:The complete supporting structure shall be fire proof with epoxy coating to protect the steel from extremely high temperatures. All other works to make mechanical works for Ventilation fans complete including support, safety chains, vibration isolator, terminal box, local Disconnect switch, etc. in all respect 2 COMBINED NO ,NO2, CO AND VISIBILITY MONITORCombined CO, NO, NO2 & opacity sensor comprising of: - CO sensors, measuring range 0-300 ppm and accuracy of ±2 ppm (or 2% of span)- NO2 sensors, measuring range 0-10 ppm and accuracy of ±0.1 ppm.- NO/NOx sensors, measuring range 0-30 ppm and accuracy of ±2 ppm (or 2% of span)- Opacity sensors, measuring range 0-0.015 m¯¹ and accuracy of ±0.002 m¯¹.with ingress protection IP-67 at every 500 m. 3 ANEMOMETER Anemometers, measuring range -20 to +20 m/s, resolution 0.01m/s and accuracy of ±2 m/sincluding IP-67, Enclosure materials - 316 SS Flame retardent UL rated polycarbonate, communication through ModBus RTU RS485 with operating temperature -20 to + 70°C, etc. 4 Motor Control Centre- Inside Tunnel (Jet Fan and Axial Fan)INCOMING2 nos 1600 Amps 50 kA 415 volt 4-P EDO ACB each complete with:3 nos Cast resin current transformers of 1600/5 ratio Class 1.0, 15 VA burdenfor metering3 nos cast resin currenttransformers of 1600/5 ratio Class 1.015 VA Burden for APFCR relay1 no voltmeter of 96 mm sq scaled 0- 500 volts with 3 way & OFFselectorswitch1 no Energy Monitoring Unit with real time, voltage in all phases, current in all phases, total active energy ( KWH/MWH), total maximum demand (KVA/MVA & KW/MW), Frequency and Power Factor with communication module.1 power factor meter3 nos Cast resin current transformers of 1600/5 ratio Class 1.0 for metering1 nos Cast resin current transformers of 1600/5 ratio Class 1.0 for APFCR relay12 step automatic power factor correction relay to sense and monitor the system power factor and provide impulses for operation of 12 capacitor circuits .Red/Green ON/OFF indicating lamps1 set of three White phase indicating lamps 1- Amber indicating lamp for trip circuit healthy1- clear indicating lamp for auto trip1 - blue indicating lamp for spring chargedInbuilt Microprocessor based release with Type D protection 5 Capacitor Panel (300kVAr) With all accessories 6 Motor Control Centre- Tunnel-1 (Jet Fans)INCOMING1 nos 630 Amps 35 kA 415 volt 4-P EDO ACB each complete with: 3 nos Cast resin current transformers of 630/5 ratio Class 1.0, 15 VA burdenfor metering, 1 no voltmeter of 96 mm sq scaled 0- 500 volts with 3 way & OFFselectorswitch, 1 no Energy Monitoring Unit with real time, voltage in all phases, current in all phases, total active energy ( KWH/MWH), total maximum demand (KVA/MVA & KW/MW), Frequency and Power Factor with communication module for SCADA connectivity, Red/Green ON/OFF indicating lamps, 1 set of three White phase indicating lamps , 1- Amber indicating lamp for trip circuit healthy1- clear indicating lamp for auto trip, 1 - blue indicating lamp for spring charged, Inbuilt Microprocessor based release with Type D protection, 240 V AC Motor wound spring closing mechanism1-24 V DC Shunt trip coil, 6 NO/NC contacts for remote ON/OFF/Trip status at SCADA, Terminals to receive XLPE cables, Surge protection device of Type 1+2 - Imax 100kA,3P+NBUSBARElectrolytic high conductivity Aluminium three phase and neutral busbars rated at 630 amps having a maximum current density of 1 amp per sq mm suitable to with stand symmetrical fault level of 35 kA at 415 volts.The neutral busbar is to be of 50% capacity.6 nos 100Amps415 volt 35 kA TPN MCCB with type A release each with VFD, suitable for 433V, 3 phase, 30kW, 2 pole motor as per specification & details. 7 Motor Control Centre- Tunnel-2 (Jet Fans)INCOMING1 nos 630 Amps 35 kA 415 volt 4-P EDO ACB each complete with:3 nos Cast resin current transformers of 630/5 ratio Class 1.0, 15 VA burdenfor metering1 no voltmeter of 96 mm sq scaled 0- 500 volts with 3 way & OFFselectorswitch1 no Energy Monitoring Unit with real time, voltage in all phases, current in all phases, total active energy ( KWH/MWH), total maximum demand (KVA/MVA & KW/MW), Frequency and Power Factor with communication module for SCADA connectivityRed/Green ON/OFF indicating lamps1 set of three White phase indicating lamps 1- Amber indicating lamp for trip circuit healthy1- clear indicating lamp for auto trip1 - blue indicating lamp for spring chargedInbuilt Microprocessor based release with Type D protection240 V AC Motor wound spring closing mechanism1-24 V DC Shunt trip coil6 NO/NC contacts for remote ON/OFF/Trip status at SCADATerminals to receive XLPE cablesSurge protection device of Type 1+2 - Imax 100kA,3P+NBUSBAR 8 Maintainance PanelINCOMING1no 63 Amps415 volt 25 kA 4P MCCB withType B release each complete with, 3 nos Cast resin current transformers of 63/5 ratio Class 1.0, 15 VA burdenfor metering, 1 no voltmeter of 96 mm sq scaled 0- 500 volts with 3 way & OFF selectorswitch, 1 no Energy Monitoring Unit with real time total active energy ( KWH/MWH), total maximum demand (KVA/MVA & KW/MW)with communication module for SCADA connectivityRed/Green ON/OFF indicating lamps, 1 set of three White phase indicating lamps , Square flush mounting 0-100 amp scaled ammeter with 3 way and OFF selector switch, Terminals to receive cablesBUSBARElectrolytic high conductivity aluminium three phase and neutral busbars rated at 100 amps having a maximum current density of 1 amp per sq mm suitable to with stand symmetrical fault level of 25 kA at 415 volts.The neutral busbar is to be of 100% capacity.OUTGOING20 nos 32Amps415 volt 15 kA TPN MCB The Switchboard shall be complete with all interconnections, risers, internal wiring, labels etc complete as required 9 (Maintainance Outlets)16 amps TPN 10 kA and 6 amps SPN 10 kAthermal magnetic protective releases MCBout goings Supply, installation, testing and commissioning of Maintenance Power socket, IP 65, as per the specifications. 16 Amp Three Phase 10 1.1 kV grade stranded Al conductor, XLPE insulated, extruded PVC inner and FRLS outer sheathed, galvanised steel round or striparmoured cables3.5 core 400 sq.mm 11 3.5 core 185 sq.mm 12 4 core 70 sq.mm 13 4 core 50 sq.mm 14 Supply, installation, testing and commissioning of Cable Terminations (heat Shrink type) / Double Compression Glands, conforming to E&M specifications for XLPE insulated, Fire resistant / Fire Survival type cables type armoured / unarmoured cables of sizes given below including the copper lugs, double compression Flame proof brass glands, insulation tape, etc. This also includes making & sealing of holes in gland plate complete as per specifications and as required. 15 Supply & laying I.S.I. mark B class GI Pipe for surface / under groundcable protection -38/40 mm dia. 16 Supply, Installation, testing & commissioning of addressable 4 loop main fire alarm electronic control panel, Shall having maximum 250 devices (any combination detectors plus devices) per loop & Audio/ Visual alarm complete as per IS: 2189 specification - modular type front operated with interlocking door arrangement totally enclosed dust and vermin proof for indoor type applications. 17 Supply, Installation, testing & commissioning of Intelligent Photoelectric Smoke Detector along with mounting box & termination glands. 18 Supply, Installation, testing & commissioning of Addressable Manual call point/ station with mounting back box 19 SITC of Intelligent Addressable, Supervised Monitor Module monitoring Potential-free, Normally Open Dry Contact input. The Monitor Module shall have operating temperature range from 0°C to 70°C and a humidity tolerance of up to 93% RH, Non-Condensing. 20 SITC of Intelligent Addressable Potential-free, Form-C, SPDT contact based control module to trigger 3rd party utilities like FAN shut-off, Pressurization fan activation, Special notification activation etc. The contact shall be rated for 2A@24Vdc (Resistive) & 1A@24Vdc (Inductive). The control module shall have operating temperature range from 0°C to 49°C and a humidity tolerance of up to 93% RH, Non-Condensing. 21 Supply, Installation, testing & commissioning of conventional Hooters with CRCA enclosure complete with external power supply & junction boxes. 22 Supply, Installation, testing & commissioning of remote response indicator 23 Supply, Installation, testing & commissioning of Isolator Module along with mounting box & termination glands. 24 Supply, Installation, testing & commissioning of Addressable control Relay module with required accessories along with junction box, glands and terminators ( For AC trip off, Access trip off, PA system, sprinkler flow switch, lift interface, sounder, fire fighter & telephone jack) 25 Supplying and erecting FRLS armoured cable 4 core 1.5 sq.mm. copper complete erected on wall/ceiling/trusses as per specification 26 Fire Extinguiosher should be for all type of Fire A-B-C. Itshouldhave a delivery mechanism of multidirectional nozzle with conicaldeflector and SS 316 cap with black colour powder coating. It Should have thickness of 1.22mm. It shoild have high metal strength whichprovides durability. 27 Tunnel Luminaire with 34800 lumens, with efficacy >=145 lm/w ; wattage range 240 (+-10%) W with dimming driver and acessories. 28 Tunnel Luminaire with 17400 lumens ,with efficacy>=145 lm/w; wattage range 120 (+-10%) W. with dimmingdriver and acessories. 29 Tunnel Luminaire with 17400 lumens ,with efficacy>=145 lm/w; wattage range 120 (+-10%) W. with dimmingdriver and acessories. 30 SITC LIGHTING SMART PANEL-TunnelINCOMING :1no 125Amps415 volt 25 kA 4P MCCB withType B release., 3 nos Cast resin current transformers of 63/5 ratio Class 1.0, 15 VA burdenfor metering, 1 no voltmeter of 96 mm sq scaled 0- 500 volts with 3 way & OFFselectorswitch, 1 no Energy Monitoring Unit with real time total active energy (KWH/MWH), total maximum demand (KVA/MVA & KW/MW)with communication module, Red/Green ON/OFF indicating lamps, 1 set of three White phase indicating lamps Square flush mounting 0-125 amp scaled ammeter with 3 way and OFF selector switch, Terminals to receive cablesBUSBARElectrolytic high conductivity aluminium three phase and neutral busbars rated at 125 amps having a maximum current density of 1 amp per sq mm suitable to with stand symmetrical fault level of 25 kA at 415 volts.The neutral busbar is to be of 100% capacity.OUTGOING:18 nos 32Amps415 volt 10 kA TPN MCB with type ccurvecharacteristicsThe Switchboard shall be complete with all interconnections, risers, internal wiring, labels etc complete as requiredSegment Controllers - ON /OFF/ DIM functions, Relays , surge protector , software programming of conroller inclusive and battery module. 31 SITC OF COMPUTER NETWORKS ACCESSORIES-SITC of 12 core single mode fibre optic armoured cable with installation/Mtr 32 SITC OF COMPUTER NETWORKS ACCESSORIES-SITC of Sc-SC Duplex fibre patch cord SM 9/125 - 3mtr 33 1.1 kV grade stranded Cu conductor, XLPE insulated,extruded PVC innerand outer sheathed FRLSHZ, galvanised steel round or strip armouredcables - 1st Category- 3C x 2.5 Sq.mm 34 G.I. Cable tray with all other accessories 450 x 75mm (W x H) - (14SWG - 2mm) without cover 35 G.I. Cable tray with all other accessories 150 x 25mm (W x H) - (16 SWG - 1.6mm) with cover 36 Earthing station with 600 mm x 600 mm x 6 mm galvanised iron plate & 50 mm dia. G.I. pipe, 3000mm long GI pipe (Class B or better) earth pit as per IS 3043. The earth pit shall be provided with watering pipe (Class B) with wire messed funnel, 25x3 GI strip/ / 2X8SWG G.I. wire up to chamber (wire or strip size as per fault level), disconnecting links with 600 x 600 mm (clear) RCC chamber & heavy duty 3mm thick CI chequered plate cover with hinge & stainless steel bolts. Bentonite/ Charcol & Salt shall be provided for earth pits. Excavation, back filling, removal of excess soil is included in the scope 37 Supply & installation of Earth conductor of the following sizes to be cleated on wall / columns with nuts & bolts or laid in cable tray / buried in ground including cutting, drilling, tapping, jointing by welding, connecting to equipments, painting to welded portion by black bitumen paint and with all necesary GI hardware & accessories to complete the workEarthing Continuity Conductors -50 x 6mm GI 38 Sheet Moulding compound (SMC) Junction Box, for Outdoor Use - SMCJB - 1414, Hinged cover, Size 170 x 170 x 105mm 39 EMERGENCY LIGHTING PANEL-TunnelINCOMING1no 32Amps415 volt 15 kA 4P MCCB withType B release each complete with, 3 nos Cast resin current transformers of 63/5 ratio Class 1.0, 15 VA burdenfor metering, 1 no voltmeter of 96 mm sq scaled 0- 500 volts with 3 way & OFFselectorswitch, 1 no Energy Monitoring Unit with real time total active energy ( KWH/MWH), total maximum demand (KVA/MVA & KW/MW)with communication module, Red/Green ON/OFF indicating lamps, 1 set of three White phase indicating lamps, Square flush mounting 0-63 amp scaled ammeter with 3 way and OFF selector switch, Terminals to receive cablesBUSBARElectrolytic high conductivity aluminium three phase and neutral busbars rated at 63 amps having a maximum current density of 1 amp per sq mm suitable to with stand symmetrical fault level of 25 kA at 415 volts.The neutral busbar is to be of 100% capacity.OUTGOING6 nos 32Amps415 volt 10 kA TPN MCB with type ccurvecharacteristicsThe Switchboard shall be complete with all interconnections, risers, internal wiring, labels etc complete as required 40 Exit Lighting DB & ELV DBSupply, installation, testing and commissioning of factory fabricated and factory assembled, CRCA sheet steel clad powder coated, wall/recess mounting dust and vermin proof (IP-54 ingress protection) double door vertical type Distribution Boards fabricated from 16 SWG sheet steel provided with hinged gasketted door with padlocking facilityand including suitably rated PVC insulated copper busbars with interconnections and neutral barassembly, earthing terminals etc. complete as required,as below
