Public Works Department Tender

P & F of Early streamer Emission type lightning arrester on GI mast with air terminal configured as spheroid which is comprised of separate electrically isolated 4 panels surrounding an earthed central finial, the terminal shall be tested by CPRI for impulse current of 45 kA ( 8 / 20 Sec ) with 5 positive & 5 negative impulse, the arrester having following protection radius at level 1

S & Laying following size earth wire/strip in horizontal or vertical run in ground/surface/recess including riveting, soldering, saddles, making connection etc. as required.

25mm x 6mm Alum. Strip

15 - 32 Mtr.

LEDStreet Light fixture 210 Watt

SITC of high mast lighting system (as per CP3-TR7/1996 of ILE, UK) consisting of totally hot dip galvanised by single dipped method high mast, lantern carriage suitable for up to 12 nos luminaries with welded arm, mast head frame assembly with full cover, aviation obstruction lights, double drum type self sustaining winch, integral power tool accesible from door with padlocking arrangement ( winch motor with control circuit) hot dipped galvanised heavy duty pipe lightening finial, suitable ropes (AISI 316, 7 / 19 costruction ), EPR insulated PCP sheathed trailing cable, outdoor type control panel for auto on / off, reverse / forward motor operation and CC foundation of M - 25 grade complete as required. The mast is constructed from mild steel plates (as per IS 5986 Gr. 510 ) cut and folded to form a polygonal section, telescopic jointed and welding as per BS 5135. The complete work shall be supervised and certified by the manufacturers for satisfactory supply, erection, testing and commissioning of high mast. ( See table E - 13 for specs.)

Maintenance free Gel Earthing with Pipe in pipe / Pipe in strip technology filled with anti corrosive conductive compound ( CPRI Tested ) below the ground in 150 - 200 mm dia. earth pit & surrounding filled with required mineral filling compound ( MFC should have hygroscopic property to retain the moisture for long time to create low resistance zone ) and C.C. finished chamber covered with hinged type with locking arrangement C.I. Cover, C.I. Frame of size 300mm x 300mm complete testing of earth resistance as required. of following sizes.

GI pipe 2000 mm long ,63 / 80mm, Inner strip 50 mm x 3 mm copper

S & Laying following size' B ' class G.I. Pipe confirming to IS : 1239 P - 1 ( 1990 ) with accessories for laying earth conductor/strip / cable in ground/surface/recess as required

With Strip in Pipe Technology with 80 - 100 micron GI Coating

16.0 Mtr HM (in 2 section)

Supply & fabrication steel structure with MS channel / angle / joist / ISMB / sheet etc. including welding, rivetting, cutting, nut & bolt , Painting etc. as required.

P&F of IP65 protected LEDStreet Light Luminaire on existing bracket. Fixture made of powder coated single piece pressure die cast aluminum with heat dissipation fins on housing with UV stabilized PC/Toughened Glass cover (from 45W onwards) and should be secondary lens on each LED. The System level Luminaire efficacy =100 with High Power LEDs of CREE/NICHIA/OSRAM/PHILIPS/SEOUL make is to be used .The LED Driver shall be BIS certified and Input Voltage AC 110 to 270 V AC with Input Frequency 50Hz±3% Power Factor 0.95 Driver Efficiency 85% , THD(I) 10% Humidity 10% to 90% RH Working Temp -20C to SOC . Life Expectancy Equal or more than 50000 burning hrs with Minimum 70% initial lumens maintained, Rendering Index 75% .Surge protection shall be min ~ 5 KV internal and min 10 KV external. Manufactures Word Mark/Name Engraved/Embossed on die cast housing to allow traceability/authenticity till life of fixture. Fixtures shall be CEcomplianced.

50 mm dia.

80 mm dia.