tender for special repair/replacement against ber dg sets at 19 fbsu af stn thoise-- 1 excavation in trenches n.exc. 1.5 meter wide and not exc 1.5 meter deep for foundations of poles/stays/cable etc not exc 10 sqm area on plan and getting out in hard/dense soil complete all as specified and as directed by engineer-in-charge. 2 returning filling in including spreading levelling, watering and well ramming in layer each not exc. 25 cm thick in a hard/dense soil complete all as specified and directed by engineer-in-charge. 3 removing surplus soil to a distance not exc. 50 meter and depositing where directed at a level n.exc. 1.5 meter above the starting point complete all as specified and directed by engineer-in-charge. 4 tubes, light grade, galvanised, with all fitting; laid in trenches for protection of cables, including fittings 80 mm dia. 5 m&l for pcc cable cover class lv, type i, flat, size 250 mm x 150mm x 40mm laid flat in trenches over the cable with length 250mm perpendicular to the direction of cable, adjacent/ abutting each other complete all as specified and directed.note:-excavation and earth work to be measured and paid for separately 6 m&l sand cushioning to protection of underground cables, laid 8 cm before laying and 15 cm after laying of cable, and punned to form an overall layer of 18 cm thick, complete all as specified and directed by engineer-in-charge.note: punned thickness shall be measured. 7 supply, installation, tesing and commissioning of diesel engine driven genrating set of capacity 200kva including but not limited to: continuous net rating at 0.8 pf, 415v, 3 phase, 50hz at ntp and should be able to operate at alttude of 3048m amsl and ambient 50˚ c and extreme climate (-20˚ c) , cpcb-iv+ compliant norms (moef &cc gazette notification effective 01 july 2023), self contained , skid mounted type with radiator cooling, control panel, fuel system, acoustic enclosure and all standard accessories, noise standard ≤ 75db (a) at1m, but must be certified for cpcb-iv+ compliance by oem and type approval & conformity of production (cop) certificate and derating factor certificate from oem mandatory and must comply with real time emission monitoring provisions complete all as specified and directed comprising the following