PROVISION OF FOUR HIGH MASTS LIGHT AT NHO AND DEFENCE CIVILIAN COLONY GARHI CANTT UNDER NHO, DEHRADUN

Supplying ,laying, commisioning,and testing of 1.1KV grade XLPE insulated PVC sheathed steel armoured aluminium stranded conductor LT UG cable ( conforming to IS7098) ISI marked in trenches/ducts/through GI pipes under roads of size 16 sqmm 4 core complete all as specified and directed Note :- The earth work ,GI pipe shall measured and paid seperately under appropriate item of Sch A.

Excavation in trenches in any type of soil and not exc 1.5 m wide and n.exc 1.5 m in depth for laying of cable and fixing poles, stays etc and getting out complete all as specified and directed

Returning , filling in including spreading leveling, watering and well ramming in layers not exceeding 25 cm thick with excavated soil complete all as specified and directed.

Removing excavated material (surplus soil) to a distance not exceeding 50 mtrs and depositing where directed at a level not exc 1.5 m above the starting point all as specified and directed.

Sand cushioning to underground cable provided with a layer of 8 cm deep before laying the cable and 15cm deep after laying and stretching the cable including hand punning and consolidating complete. Note: for payment purpose punned thickness shall be measured.

M&L for well brunt bricks sub class 'B' in old size as cable protection laid flat width wise complete all as specified and directed.

Supply, laid in trenches or fixed on wall / ground with cement concrete pipe galvanised light grade with all fitting of size 40 mm dia complete all as specified and directed.

Supply and intallation of galvanized steel high mast lighting system of 16 meter in two section ,3mm section thickness , top dia 150mm ,bottom dia 340mmwith 2/3wire rope system and its accessories. Syatem is suitable for laading 08 nos 250 watt LED lights , complete all as specified and directed.

S&F LT Panel factory made outdoor type powder coated , degree of protection IP-54 made out of 3.00 mm CRCA sheet of size 700x450x300mm Pedestal type with 200 Amp rated aluminium bus bar TPN system including 40x40x6 mm angle iron frame for mounting and comprising with one No of MCB (16-63) Amp 4 Pole,10 KA, with timer and its connected accessories etc, complete all as specified and directed.

M&L for PCC/ road cutting for laying of pipe/cable exceeding 500 Sqcm & not exc 1000 sqcm in cross sectional area and making good with PCC 1:2:4 type B-1 using 20mm graded stone aggragate, complete all as specified and directed.

Material and labor for earthing complete with galvanised steel earth plate electrode 600x600x6 mm thick weld directly in ground. (earth pit not less then 2.25m depth below ground level at any tyoe of strata) with top edge of the earth plate not less then 1.5m below normal ground level surrounded with adequate quantity of charcoal dust mixed with salt to a packed thickness of 15cm all around the plate connected by 4.0 Sqmm mm GI strip As earth lead by means of brass nut and bolt thimbles checked nut , washer including concrete chamber of PCC 1:3:6 type C1 (using 20 mm graded stone aggregate ) with fair finish, internal surface of concrete chamber shall be given internal dia 300mmx300mm 15mm thick plaster in cm 1:4 funnel with wire mesh RCC pit cover of 320x320x80 mm size ( 1:2:4) type d1(using 20mm graded stone aggregate) reinforced with xpm all as shown in electrical plate no. 3 of MES SSR part 1(2009) and specified including and provision of GI strip upto 7.5m long with 20mm dia light weight GI pipe protection and water pipe of 20mm bore medium grade including all excavation and earth work and connecting earth strip to panel including testing on completion complete all as specified and directed by engineer incharge. Note - 1. RCC pit cover shall be precast of RCC (1:2:4) type d1 80 mm thick reinforced with xpm weighting not less then 4kg /sq m. in lieu of CI cover. 2. Cost of additional GI strip more then 7.5m will be measured and paid seprately under relevent items.

NOTES :- 1. For the items for which specifications not mentioned any where in the tender, the BIS specifications shall be followed.