SUPPLY AND INSTALLATION OF HIGH MAST LIGHTING POLES IN HVF ESTATE (OTY - 03 NOS)

Material and labour for Earthing complete with copper earth plate 60×60cm.× 3.15mm thick, buried directly in ground (earth pit not less than 2.25 metres deep below ground level) with top edge of the plate not less'than 1.5 metres below normal ground level, connected to copper strip of 20X3 mm as earthing lead by means of bolts, nuts, check nuts and washers of galvanised iron or steel all as shown in electrical plate No. 3 connected to earthing test point all as specified or indicated including testing on completion.

Material and labour for Earth continuity conductor or main earthing lead fixed to wall on batten or recess or chases or buried in ground or drawn in conduit/pipe or fixed to poles or any other indicated situation for loop earthing etc. as required 25X3 mm Aluminium strip.

Supply and laying of PVC insulated, armoured, heavy duty electric cable 4 core , 1100 volts grade, aluminium conductor served with an inner sheathing of PVC tape armoured with galvanised steel wire or tape and overall PVC sheathed , cross-sectional area 25 sq. mm (Make:Havells/Gloster/Orbit/ Polycab) or suitable equivalent make

Excavating in trenches hard dense soil not exceeding 1.5 m wide and not exceeding 1.5 m in depth for laying cable.

Demolition of cement concrete of any description and in any position unreinforced.

Material and labour for cement concrete 1:2:4 Type B1 using 20mm graded aggregate in foundations, filling and mass concrete.

Material & labour for sand filling for cushioning on U.G cable

Materal &labour for Bricks; common burnt clay building bricks sub class B designation 75, Old size bricks for protection to U.G cable

Returing, refilling of hard/dense soil in the excavated trench after laying of power cable including spreading levelling, watering and well ramming in layers not exc 25 cm.

Supply and fixing of Galvanised steel tubes of 50 mm, medium grade.