laying of 33 kv ug cable for new 33 kv line from ground mounted grid connected 10 mw solar pv power plant at bhajanghat agriculture farm , krishnaganj to krishnaganj 33 / 11 kv sub-station under krishnagar ( d ) division , micro tunneling with laying of hdpe pipe including supplying of hdpe pipe 160 mm dia , excavation of soil ( open cut ) for formation of cable trench including backfielling after laying of cable with the excavated soil . , supply & laying of 1st class brick , fixing of lighting arrester 42 kv classs ( 1 set= 3 nos ) on erected cable d . p . structure . , earthing is to be done by using 3 m long 50 mm diameter of medium duty ( isi make ) g . i . pipe with perforation of 12 mm diameter each at 300 mm . intervals spirally , to be driven to earth so that the top of the above pipe is driven 0 . 5 m . below the ground level . g . i . pipe is to be linked up g . i . strip ( 50x6 ) mm . the said strip is to be connected by using galvanized bolt , double nuts , duoble washer at pipe end and at earthing point of las only with galvanized nuts and washers at both side of g . i . strip . , laying of 33 kv xlpe ug cable 3cx400 sqmm . , supply & fixing of g . i . pipe 150 mm dia ( medium ) 3 m long for cable protection , making & fixing of enh termination joint for 33 kv xlpe ug cable 3cx400 sqmm . , making & fixing of straight through joint for 33 kv xlpe ug cable 3cx400 sqmm . , making of jointing pit only by excavation of soil for making of straight through joint