Additional works at Indira Gandhi International Sports Stadium, Golapar, Haldwani (Uttarakhand)

Amount

Laying of one number PVC insulated and PVC sheathed / XLPE power cable of 1.1 KV grade of following size direct in ground including excavation, sand cushioning, protective covering and refilling the trench etc as required. Above 185 sq. mm and upto 400 sq. mm

Earthing with G.I. earth plate 600 mm X 600 mm X 6 mm thick including accessories, and providing masonry enclosure with cover plate having locking arrangement and watering pipe of 2.7 metre long etc. with charcoal/ coke and salt as required.

Earthing with copper earth plate 600 mm X 600 mm X 3 mm thick including accessories, and providing masonry enclosure with cover plate having locking arrangement and watering pipe of 2.7 metre long etc. with charcoal/ coke and salt as required.

Supplying and laying 25 mm X 5 mm G.I strip at 0.50 metre below ground as strip earthelectrode, including connection/ terminating with G.I. nut, bolt, spring, washer etc. as required. (Jointing shall be done by overlapping and with 2 sets of G.I. nut bolt & spring washer spaced at 50mm)

Providng and fixing 25 mm x 5 mm copper strip 40 mm dia G.I pipe from earth electrode including connection with brass nut, bolt, spring, washer excavation and re-filling etc as required

High Mast and Allied Works

Design, Supply, Handling/Shifting, Stress fitting and Assembly, Installation on existing foundation, Testing and Commissioning of Fixed Head type High Mast as detailed below: Design Considerations, Total height of assembled High Mast, from bottom of flange to the top of head frame shall be decided by the Bidder as per proposed lighting simulation, meeting the Illumination and Glare requirements stipulated by BCCI/ICC for HDD televised events for International level matches, subject to a minimum height of 55m, Constructional and dimensional parameters of High Mast structure shall be decided to meet the structural loading requirements corresponding to the wind speed specified in IS 875 (Part III) for Haldwani, Uttarakhand, with standard safety factors and a design life of 25 years, Polygonal mast structure shall be manufactured from HT grade steel with not more than one longitudinal welding per section and without any circumferential welding, except for the flanges. The structure, Head frame and all accessories, as applicable, shall be hot dip galvanised to achieved minimum average coating thickness through single dip process, Suitable fixed type head frame shall be provided with appropriate number of cross arms, approach ladders and maintenance platform. The Head frame should be deigned to install requisite numbers of floodlights, quantity as arrived through lighting simulation, subject to a minimum of 90 floodlights (of approx. 25 kg each), each of up to 1.6kW rating and shall have a provision to install additional 4 floodlights, as spare, The mast shall be provided with appropriate lightening arrestor, necessary hardware and attachments and should have suitable provision to installed two aviation lights at the top, High Mast shall be incorporate appropriate provisions to receive external, removable man rider unit, cabling, etc., as may be required to complete the system in all respects, Design, Construction and Material of the High Mast shall conform to applicable standards/norms and its design/structural stability calculations.

Supply and Fixing of Foundation Bolt Accessories comprising of bolts, nuts, washers, anchor plate and template. Size and number of bolts, anchor plate, etc. shall be decided based on the structural loading requirements. The exposed threaded portion of bolts, complete nuts and washers shall be hot-dip galvanised.

Supply, Installation, Testing & Commissioning of External, removable man rider unit, common for all the four High Masts. The man rider unit shall be supplied complete with winch, stainless steel wire ropes, motors c/w its controls and all other accessories to complete the system in all respects. The system shall incorporate all essential safety features to prevent any accident even if any of the wire rope breaks and shall ensure complete safety to the operator.

Construction of shallow open raft type foundation with ‘M25’ grade concrete with suitable grade steel reinforcement for the High Mast, as above, considering actual safe soil bearing capacity of soil as per SBC report, complete with all materials and labour. Design of foundation shall be in accordance with High Mast loading requirements, considering actual SBC.

LED Floodlights, etc. and Allied Accessories

Supply, Installation on cross arms of head frame of high masts (c/w provision of appropriate mounting hardware), Testing, Commissioning and Aiming of non-integral LED Floodlight Fixture of compatible for DMX/DALI protocol Interface, set up for external SPD of 20kV and remote drivers. The System wattage of floodlight shall generally be between 1.3 and 1.6kW as per the proposed lighting design to achieve lighting level and other performance requirements set out in BCCI/ICC guidelines without any exception.Overall system efficacy of the offered floodlight shall not be less than 100 lumens/watt at CRI not less than 90 @ 40 deg C. Lumen maintenance shall conform to L70B50-50000hours @Ta 35 deg C. The CCT of Floodlight shall be 5700K with CRI not less than 90, TLC index as 90, Degree of Protection shall be IP66 and Impact Resistance as IK08. Note: The design of floodlight shall necessarily be based on natural cooling to maintain junction and operating temperature within permissible limits to deliver guaranteed life of the floodlight and least Design consideration for Lighting Levels and Uniformities, as calculated over design surface, Horizontal Illumination (average, in Lux): At Pitch - 3000, Infield Area - 2500 and at Outfield Area - 2000, Vertical Illumination (average, in Lux) towards Main Cameras: At Pitch - 2500,Infield Area - 2000 and at Outfield Area - 1500, Uniformities, 'E1'/'E2' respectively: At Pitch - 0.8/0.7, Infield Area - 0.7/0.5 and Outfield Area - 0.6/ 0.4

Supply, Installation, Testing and Commissioning of Remote Driver units for above floodlights, complete with 20kV external SPD, outdoor type IP rated connectors, power and control wiring, etc.

Supply, Installation, Testing and Commissioning of LED type Aviation Abstraction Light with mounting accessories, equipped with photocell for automatic switching. Note : Remote driver and DMX Converter unit and DMX Node shall be installed in a common 'external' outdoor type, MS Frame/pedestal mounted rack/cabinet; located close to each High Mast.

DMX Control System for LED Floodlights

DMX system for floodlight shall consist of appropriate quantities (as per its architecture/configuration, but not limited to) DMX Converter, DMX Nodes / Sub-controllers, Server of appropriate configuration, Ethernet Switch 16 port, Other Accessories, such as monitor, interconnecting patch cables, connectors, Fibre to Ethernet Converter, etc., as required. Cabling using recommended size and type of cables and associated accessories, between Server and Ethernet switch, Nodes and Ethernet switch (OFC cable), Nodes and Remote drivers, Note : Dedicated air-conditioned control room with recommended infrastructure shall be provided by Client for centralised DMX control and server.

Electrical Incoming Power Supply Distribution Arrangement and Associated Works

Design, Supply, Installation, testing & Commissioning of High Mast Power Supply Distribution Board (HMDB), installed close to each Genset, near High Mast, Free standing, Pedestal/Floor mounted 'Outdoor' type Factory built switchgear assembly, single front construction, with degree of protection as IP 54, dust and vermin proof, Dead Front, Double Door with Canopy, fabricated out of 14/16 gauge CRCA sheet steel, Having provision for cable entry from top / bottom with removable gland plates. Powder coated & pre-treated in Eight Tank process. Pre Wired and ready to install at site. Suitable for 415 Volts, 3 Phase, 4 Wire, HMDB shall be provided with electrolytic grade aluminium alloy TPN bus bars of appropriate cross section to carry 1000A nominal current, provided with RYBN color-coded heat shrinkable sleeves, supported on SMC/DMC supports and suitable to withstand short circuit current of 50KA (RMS) for 1 second, Incoming Section, 1 No. Incomer to receive power supply from Silent Genset, rated for 630A, 4P Air Circuit Breaker, 50KA, EDO with Microprocessor based Release for O\C, S\C & E\F protection, with communication module for Modbus communication, 4NO+4NC Aux. Contact with Trip Alarm Contact & Shunt Trip Coil. Incoming feeder shall be provided with the Digital Multifunction Meter with RS-485 Port, Cl-1.0, 96x96sq.mm, On/Off/Trip indication light LED type, Phase indication light LED type, TNC Switch, Cast Resin type CTs For meter Cl-1 630A/5A, 15VA, Control MCB SP 6A, 10KA, CT Terminal Disconnected Type and Neutral Link, Outgoing Section 3 Nos. MCCB O/G Feeders, each comprising of 160A, 36KA FP, MCCB with Thermal Magnetic Release Based for O\C and S\C protection, Spreader Links & Extended ROH for 160A, 36KA FP, MCCB, Phase indication light LED type, Control MCB SP 6A, 10KA and Neutral Link, Sub-Outgoing Section connected to each 160A MCCB feeder shall feed to 3 sub-sections, each distributing power to 36 nos. MCB outgoing feeders and outgoing shall consist of 25A DP MCB 10KA, Set of Terminal rated for 25A and suitable to receive up to 4.0 sqmm copper cable, Other Accessories, HMDB shall be provided with standard accessories, such as space heater with control, door switch with lamp, name plates, lifting lugs, earth bus, ferrules and markings, etc.

Supply, Installation on existing RCC pedestal, testing and Commissioning of Silent Genset of 320kVA 'Prime' rating, complete with day tank, residential silencer, AV mounting pads, Manual Control Unit, Cable Box and all standard accessories, as required for satisfactory operation of the Genset on standalone basis.

Provision of suitable size of RCC pedestal/foundation for installation of above Genset, as per the recommendations of Genset supplier, complete with material and labour, as required.

Cabling, Terminations and Associated Works

Supply and laying of LT, XLPE insulated, Copper conductor 'Armoured' cable of 2 c x1.5 sqmm from 'external' remote driver rack to individual floodlight.

Supply and laying of LT, XLPE insulated, Copper conductor 'Armoured' cable of 5 c x 1.5 sqmm from 'external' remote driver rack to individual floodlight.

Supply and laying of LT, XLPE insulated, Copper conductor cable of 3 c x 2.5 sqmm from 'HMDB' to Aviation Light.

Supply and laying of LT, XLPE insulated, Copper conductor 'Armoured' cable of 3 c x 4 sqmm from 'HMDB' to external Remote Driver Rack.

Supply of LT, XLPE insulated, Aluminium conductor Armoured cable of 3.5 c x 240 sqmm from Genset to 'HMDB'.

Supply and fixing of 4 Fibre (G652D), Armoured Fibre Optic Cable Note : The work includes laying, clamping and fixing of above cables, to be routed on suitable clamps/tray inside covered cable trench and sufficient spare length shall be provided at suitable location while OFC shall be clamped on surface or directly buried in the ground.

Cable termination using suitable lugs, glands, connectors (as applicable) for cables, as above.

Construction of suitable size of cable trench, provision of FRP cover and FRP open type cable tray/gratings/clamps, as per site conditions.

SRINIVASA POWER SOLUTION