scheme for bulk power supply at 33 kv with ultimate contract demand of 4000 kva i . r . o . ms iskcon at temple premises at sri mayapur nadia under krishnagar division . laying of 33 kv 3c x 400 sq . mm . xlpe ug cable from mayapur 33 by 11 kv substation to the premises of ms iskcon at mayapur ( r . l . 2 . 71 km ) for bulk power supply at 33 kv with ultimate contract demand of 4000 kva i . r . o ms iskcon . , survey of h . t . o . h line , excavation of soil by cutting of metalled road for formation of cable trench including reinstatement of the same after laying of cable . , 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 , 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 200 mm dia ( medium ) for cable protection , making & fixing of end termination joint for 33 kv xlpe ug cable 3cx400 sqmm . , making & fixing of sraight 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 , making protective duct for cable joint complete , supply & erection of c . i . cable marker on concrete foundation