NIT6Item7

S. No. Description of item Qty. 1 Lightning Final Job 2 Nos. Heavy duty hot dip galvanized lightning finial shall be provided for each mast (in Nos.) 1, Bottom - 540 mm X 150 mm Top The lightning finial shall be provided at the centre of the head frame (minimum length) in meters 1.2 It shall be solidly bolted to the head frame to get a direct conducting path to the center of the earth through the mast Yes The lightning finial shall not be provided on the lantern carriage under any circumstances in view of the safety of the system Yes Aviation Obstruction Lights Aviation obstruction lights shall be provided on top of each mast (in Nos.) 1 Type LED, Vertical stand Suitable length of earthing terminals shall be provided at a convenient location on the base of the mast, for lightning and electrical protection of the mast Using 12 mm dia SS Bolts Door Opening An adequate door opening shall be provided at the base of the mast and the opening shall be such t it permits clear access to equipment like winches, cables, etc and also facilitate easy removal of the winch Yes Type of locking arrangement for door Pad Lock Type of opening and closing door at base compartment of high mast (in mm) - Minimum 1200x250 Lantern Carriage 1. A fabricated Lantern Carriage shall be provided for fixing and holding the flood light fitting and control gear boxes. 2. The Lantern Carriage shall be of steel tube construction, the tubes acting as conduits for wire, with holes fully protected by grommets. 3. The Lantern Carriage shall be so designed and fabricated to hold the required number of flood light fitting and control gear boxes, and also have a perfect self-balance. 4. The Lantern Carriage shall be fabricated in two / three halves and joined by bolted flanges with steel nuts to enable easy installation or removal from the erected mast. 5. The entire lantern carriage shall be hot dip galvanized after fabrication. 6. The inner lining of the carriage shall be provided with protective PVC arrangement, so that no damage is caused to the surface of the mast during raising and lowering operation of the carriage. yes Junction Box Weather proof junction box shall be provided on the Carriage Assembly as required, from which the interconnections to the designed number of the flood light luminaries and associated control gears fixed on the carriages shall be made Yes Ingress protection for Junction Box i.e. IP Class (as per IS/IEC:60529:2001 latest) Test Report from Central Government lab/NABL/ILAC accredited lab and report shall furnish to buyer on demand IP55 Junction Box material Cast aluminium Cable connections from the top junction box to the individual luminaries and cable shall conforming to IS: 694: 2010 latest No of core 3 Cable category FR Size of cable (in Sq. mm) 2.5 Conductor material shall be Copper Raising and lowering mechanism For the installation and maintenance of the luminaries and lamps, it shall be necessary to lower and raise the Lantern Carriage Assembly Yes To enable this, a suitable Winch Arrangement shall be provided, with the winch fixed at the base of the mast the specially designed head frame assembly at the top Yes Winch The winch shall be of “Integral Power Tool” type with motor Yes The winch shall have provision for manual operation in case of failure of the motor Yes Minimum working load of winch (in Kg) 750 Motor capacity - Minimum (in HP) 1.5 Suitable rating and connecting copper cable also shall be provided for the motor Yes The winch shall be type tested from a Central Govt. Lab/NABL/ILAC accredited lab and the test certificate shall be furnished to buyer on demand. The test certificate shall include the maximum load operated by the winch Yes HEAD FRAME 1. The head frame is to be designed as a capping unit of the mast, shall be of welded steel construction, galvanized both internally and externally after assembly. 2. The top pulley shall be of appropriate diameter, large enough to accommodate the steel wire ropes and the multi-core electric cable. 3. The pulley block shall be made of non-corrodible material, and shall be of die-cast Aluminium Self-lubricating bearings and steel shaft shall be provided to facilitate smooth and maintenance free operation for a long period. 4. Self lubricating bearing and steel shaft shall be provided to facilitate smooth and maintenance free operation for long period 5. The pulley assembly shall be fully protected by a canopy galvanized internally and externally. The head frame shall be provided with guides and stops with PVC buffer for docking the lantern carriage Yes Stainless Steel Wire Rope The suspension system shall essentially be without any intermediate joint. The steel wire ropes shall be of suitable construction, the central core being of the same Yes The overall diameter of the rope >/=6 mm The breaking load of each rope shall be at full load as per the relevant standard >/=2400 Kg Grade / construction AISI 316, 7/19 construction Number of ropes 1 Torque- limiting device with load adjustment facility to protect the wire ropes Yes Electrical System, Cable and Cable Connections 1. A suitable terminal box shall be provided as part of the supply at the base compartment of the high mast for terminating the incoming cable. 2. At the top there shall be weather proof junction box to terminate the trailing cable. The system shall have in - built facilities for testing the luminaires while in lowered position. Electric cables shall used in the high mast system shall be The trailing cable (from base compartment to top of the mast system junction box ) conforming to No. of cores 4 Size of cable (in Sq.mm) 6 Cable shall be Armoured Conductor material shall be Copper Incoming power cable from feeder panel to base compartment of mast and cable shall conforming to IS:7098 (Part 1):1988 latest Feeder pillar Panel Feeder pillar panel for each mast Yes Feeder panel shall be suitable for 415 V, 3 phase 1 N, AC 50 Hz The control panels shall be Stand Mounted Ingress protection for feeder pillar panel i.e IP Class (as per IS/IEC:60529:2001 latest).Test Report shall furnish from Central Government lab/NABL/ILAC accredited lab to buyer on demand IP55 It shall be fabricated out of 14 SWG CRCA sheet steel Thickness of sheet (in mm) 2 The panels shall be given pre-treatment and powder coated and color shall be Grey The stand shall be painted in Black Colour Cable entry shall be at the Bottom The panels shall have knock outs of the required cable Laminated circuit diagram shall be pasted Inside of the Door Feeder pillar shall have pad locking arrangement Yes Earth terminal 12mm dia. Bolts Panel shall have a sloping cover to avoid accumulation of dust Yes Panel shall be provided with incoming & outgoing MCCB / MCB of appropriate rating and in desired quantity depending on total no of circuits in use Yes Timer for automatic ON & OFF of lights with pilot lamps shall be provided Yes Toggle Switch for AUTO/OFF/MANUAL mode Yes Bus bars material Yes, Copper No of Cores 1 Size of cable (in Sq.mm) 2.5 Cable Shall be Armoured The conductor material shall be Copper Cable category 1 LED FLOOD LIGHT LUMINAIRE No. of Luminaires for each high mast lighting tower (in Nos) 8 LED Luminaire conformity to IS:10322/Part5/Section5/2012latest and IS: 16107 (Part 2/Sec 1):2012 latest Yes Photo biological safety of LEDs used shall be as per IS:16108/2012 (exempt group) Yes LED Rating/System Wattage/Rated Power for each luminaire 200W Luminaire System Efficacy (Lumen/watt) >/= 100 Lm/Watt Ingress Protection (IP Rating) as per IS:10322 (Part 1):1982 latest IP65 Input operating Voltage range and frequency 90 to 300 Volts AC at 50Hz+/-2Hz Color temperature 6000 K(+ 500 K) Working life for LED (Minimum 50000 burning hours) Beam Angle > 120 Optic lenses material (UV stabilised) (Write NA forwithout optic lense supply) Poly carbonate lense Heat sink should be die-cast aluminium along withsufficient heat sink fins to dissipate heat effectively Yes Capacitor shall be rated for a temperature of 105 degcelsius or better Yes Junction temperature < 85 degC Operating temperature range -20 deg C to +50 deg C Operating Humidity Range 10 % to 95 % RH Short circuit Protection Yes Over load protecton Yes Over Voltage protection Yes Reverse polarity Yes Insulation resistance between earth and currentcarrying part >100 M ohm The luminaire shall be protected against surges andtransients( Internal) >/=5KV The luminaire shall be protected against surges andtransients of >/=10KV (External) Yes The Luminaires casing/housing (single piece housing)shall be pressure die casted aluminium alloy withhigher thermal conductivity Yes The luminaire body must be corrosion resistant epoxypowder coated Yes All fastners must be of stainless steel Yes The entire housing (both LED section and driver section) shall be dust and water proof protection asper IS:10322 (Part 1):1982latest IP 66 Extruded silicon loop gasket shall be provided in the lantern body to ensure a weather proof seal between the UV Glass cover and the metal housing to excludethe entry of the dust,water,insects etc Yes Luminaries light transparency should be of Toughened glass Yes CERTIFICATIONS 1. System must have EMI/EMC compliance as applicable (Test reports shall be furnish on demand by buyer/consignee). 2. Availability of test Report from Central Government lab/NABL/ILAC accredited lab to Indian Standard IS: 10322/part5/sec-5/2012andIS16107 (Part 2/Sec 1):2012. 3. LED Luminaire for Flood Light shall comply with Compulsory Registration (CRS) of BIS for safety as per IS 10322 (Part5/Section5): 2012 as applicable on the date. 4. Bidder shall furnish all the test reports and certificates as per the technical specification to the purchase authority on demand Yes 2. SITC of 12 Mtr. Hot Dip Galvanized high mast lighting pole with the following details: - Door panel at bottom for electrical connection, Suitable size base plate, Maximum wind pressure >=150 Km/Hr, Type of foundation – RCC, 4 Nos. Foundation Bolts, Loading & unloading in firm’s scope with the help of Hydra or crane etc. Providing & fixing of Lantern carriage suitable for 8 Nos. LED lights of 200W along with fixing arrangement. Work of earthing of High Mast by 25x6 mm MS flat. Work includes cutting, bending etc. to complete the work with grouting 3 Meter 50mm electrode and backfilling with 50 kg chemical. Providing & fixing of aviation obstruction lights on top of high mast. Providing & fixing AC cubicle box with base frame of angle 50x50x6 mm made of MS along with copper bus-bars 200 Amp 4-Pole MCCB and ON/OFF indicator. Work includes the connection work with lugs and grouting of the panel in the Ground with proper foundation and connection of earthing to the panel. Providing & laying of wire 6 sq mm 4-Core in the PVC pipe and trench of suitable size with brick and sand work in the depth of 1.5 feet from ground level. Make of Light: OSRAM/ NICHIA/ CREE/ SAMSUNG/ SEOUL/ LUMILED/ PHILIPS/ EDISON/ ANY OTHER DJB APPROVED MAKE

M/s Lokesh