PROVISION OF HIGH MAST LIGHT IN BUDHA PARK AT NAVY UNIT IN KALPAKKAM UNDER AGE(I) NAVY CHENNAI

Amount

Excavation in trenches not exc 1.5 mtr wide and n. exc 1.5 m depth and getting out in soft/loose soil for lying UG cables, pipes etc.

Returning, filling in including spreading, leveling, watering and well ramming in layers n. exc 25 cm in any type of soil.

Removing surplus excavated materials to a distance n. exc 50 m and depositing where directed at a level n exc 1.5 m above the starting point.

Supply and spread clean dry river sand in trenches including leveling, punning for cushioning of cables all as specified. Note : Punned thickness of sand cushioning shall be measured.

Supply and lay in trenches burnt clay fly ash Bricks sub class 'B' standard size for cable protection keeping width of the brick parallel to the length of the cable all as specified and directed.

Supply and laying in trenches XLPE insulated armoured heavy duty electric U/G Cable with aluminium conductor 1100 volts grade cross sectional area 25 sqmm 4 core all as specified and directed

M&L for providing earthing complete with GI earth plate electrode 600 mm x 600 mm x6.3mm thick buried directly in ground earth pit not less than 2.25 Mtr deep below ground level with top edge of the plate not less than 1.5 Mtr below normal ground level ,Alternate layers of charcoal) & common salt Crystal and connected to GI earth strip 32x6mm by means of bolts, nuts, check nuts & washers of copper and connecting to earth dolly all as shown in electrical plate No. 3of SSR Part I of 2009 & testing complete including 40mm dia light grade GI pipe upto 7.5mtr long, excavation in any type of strata, PCC ( 1:3:6 ) type C1 earthing chamber, pre cast slab 50 mm thick in cement concrete ( 1: 2 : 4 ) type B 1 ( reinforced with welded steel wire fabric (XPM) weight not less than 4 Kg / Sqm with frame, test box , including 20 mm bore water pipe medium grade GI Tubing including GI Funnel , wire mesh etc. ( NOTE :- Earth continuity conductor and GI protection pipe beyond 7.5m shall be measured and paid under the respective items ).all as directed by Engineer- in charge.

Supply, Installation, Testing and Commissioning of LED flood light fitting 350-watt light with a nominal system lumen output of 38500 lumens and a minimum system efficacy of 110 lumen/watt. The luminaire shall have rated system lifetime of 50,000 burning hours at L70. The luminaire should have cool white colour temperature (5700K) and a CRI>70. The luminaire shall meet IP66 rating with THD<10% & Pf >0.95. The luminaire housing should be made of pressure die cast aluminum. The total power consumption should not exceed 350W (including driver). Make: Crompton LSFO-350-CDL/60-M / Bajaj Cat Part No BJFL350WLED / or equvalent in Philips.

S Dilli

M/S SAI SRI HARSHA ENTERPRISES

S.M.ELECTRICALS

Anand Constructions

SRI LAKSHMI ASSOCIATES

GK ENTERPRISES