North Bengal Development Department Tender

(c) Supply of BIS Certified make in India 200W LED Floodlight made of pressure die cast aluminium housing and heat resistant toughened glass. Rated Supply voltage: 240V, 50Hz AC, System Luminous Efficacy 110 Lumen/Watt, CRI 70, CCT: 5700K, PF 0.95, THD 10%. The Luminaire must have IP66 and IK07 protection. The screws and Connections should be corrosion resistant and must withstood an applied torque of 8Nm for five times. The Luminaire should have Provision for earthing with Earth contact Resistance 0.5 Ohm and Leakage Current 1 mA. The Insulation Resistance Shall be 2MΩ on application of 500V DC. The LED Driver is BIS Certified Potted Driver of 85% efficiency with 5KV Internal and 10KV External Surge Protection and Protection from Over Voltage, Short Circuit, Open Circuit and Reverse Polarity. The LED Chip is LM80 Certified OSRAM/ LUMILEDs make LED Chip with free all photobiological hazards and a burning hours of L70@50000 Hours. Conforming Standards: IS 10322(Pt.5/Sec.5)-2013. IS 16103 (Pt.1& Pt.2):2012, IS 16104:2012, IS 16105:2012, IS 16107(Pt.2/Sec. 1):2012, IEC 60598, IEC 61347-2-13, IEC 62384 & 62031, LM79.

b) Supply, installation, testing & commissioning of Outdoor type dust and vermin proof powder painted Sub Panel board having fixed with front side double door with railway type locking arrangement suitable 415V 3 phase, 4 wire 50 Hz AC supply made out of 2 mm thick MS sheet so as to accommodate the following mountings complete with bus bar of 315 Amp capacity & channel base at the bottom connection & interconnection by copper wire & strip along with necessary nuts & bolts complete as reqd. (Make-L&T/Siemens/ABB make). a) 32A 415 Volt 4P MCB-1 no b)63 Capacity 415 Volt 4 bar AL busbar of bars size 50mmX10mmX1mtr c) 6-20A 415 Volt TP MCB-2no d)6-20A 250 Volt DP MCB -2 nos e)ANALOG TIMER - 1no f)32 A 4 POLE CONTRACTOR AND 3 A SP MCB FOR COIL SUPPLY-1 no g)AUTO MANUAL SELECTOR SWITCH-1 no j) 0-500 digital Voltmer-1 no k) LED Indicating Lamp -3 no l)Caution board-1 no

Supply of following size 1.1 KV grade PVC/ Aluminium cable conductor in U.G with proper brick protection including earthing attachment as per G.S. 4 core 10 sqmm

Laying of one No. cable upto 35 sqmm in underground trench 460 mm wide x 760 mm average depth, with brick protection on the top of the cable with 8 (eight) Nos. bricks per metre, including filling the space between the brick & cable and also the trench with shifted soil, leveling up and restoring surface duly rammed

Supplying and fixing compression type gland complete with brass gland, brass ring & rubber ring for dust & moisture-proof entry of XLPE/PVC armoured cables as below : 4 core 10 sqmm

Finishing the end of following XLPE/PVC armoured cables by crimping method incl. supplying and fixing solderless socket (Dowels make), tapes, anticorrosive paste & jointing materials : 4 core 10 sqmm

Supplying & fixing medium gauge 50 mm dia GI Pipe ( ISI-Medium) Protection with necessary fittings and jointing metarials as required

Excavation of soil for installation of Earth Electrode and filling & ramming. (a) For Soft Soil

Earthing with 50 mm dia GI pipe 3.64 mm thick x 3.04 Mts. long and 1 x 4 SWG GI (Hot Dip) wire (4 Mts. long), 13 mm dia x 80 mm long GI bolts, double nuts, double washers incl. S & F 15 mm dia GI pipe protection (1 Mts. long) to be filled with bitumen partly under the ground level and partly above ground level driven to an average depth of 3.65 Mts. below the ground level as below: By ISI-Medium GI pipe

Extra for providing masonery enclosure on the top of the earth electrode of overall size 86.36 cm x 86.36 cm x 46 cm deep (below Ground level) complete with cemented brick work(1:6) of 25 cm width duly plastered with cement morter (inside) CI hinged inspection cover of size 36.56 cm x 35.56 cm with locking arrangement, GI reducer including drilling of 46 nos. 12 mm dia holes on the GI pipe