tender no . 12 / hd / hqs / nit / 2019 / 2446-49 dt 16 / 09 / 19 supply installation testing and commissioning 62 . 5 kva 3 phase diesel generator , supply installation testing and commissioning of 62 . 5 kva three phase diesel generator , supplying and laying of 50 sq . mm 3 . 5 core aluminium armoured power cable , earthing with g . i . earth pipe 4 . 5 metre long , 40 mm dia including accessories , and providing masonry enclosure with cover plate having locking arrangement and watering pipe etc . with charcoal / coke and salt as required , supplying and laying 8 swg copper rod for earthing pit to dg , supplying power cable end termination , supplying 100 amps change over switch , earth work in surface excavation not exceeding 30 cm in depth but exceeding 1 . 5 m in width as well as 10 sqm on plan including getting out and disposal of excavated earth upto 50 m and lift upto 1 . 5 m , as directed by engineer-in- charge , providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering all work up to plinth level 1:4:8 ( 1 cement : 4 coarse sand ( zone-iii ) : 8 graded stone aggregate 40 mm nominal size ) , providing and laying in position specified grade of reinforced cement concrete , excluding the cost of centering , shuttering , finishing and reinforcement all work up to plinth level 1:2:4 ( 1 cement : 2 coarse sand ( zone-iii ) : 4 graded stone aggregate 20 mm nominal size , centering and shuttering including strutting , propping etc . and removal of form for foundations , footings , bases of columns , etc . for mass concrete , steel reinforcement for r . c . c . work ready to use cut and bend rebars of approved make from factory / workshop to construction site including placing in position and binding all complete upto plinth level thermo-mechanically treated bars of grade fe-500d or more