CERTAIN REPAIR REPLACEMENT OF LT PANELS SWITCHGEARS AND ALLIED WORKS AT CAIR SERVICE CENTRE NO 3 DAD AND DCA QTRS UNDER GE I R AND D WEST BANGALORE

Excavation in trenches not exc. 1.5 m wide not exc. 1.5 m in depth; for laying of cables not exc. 10 Sqm on plan and getting out , trimming sides, forming bottom surface to required level complete in hard/dense soil all as specified and as directed.

Returning, filling in, including spreading, levelling, watering and well ramming in layers n.exc. 25cm thick as in soils all as specified and as directed.

Removing of excavated soil to a distance not exc. 50m and depositing where directed at a level n.exc 1.5m above starting point all as specified and as directed.

Excavation in trenches for laying of underground cables upto 35sqmm size including refilling and consolidating the excavated earth after laying of cable

Excavation in trenches for laying of underground cables above 35sqmm and upto 95 sqmm size including refilling and consolidating the excavated earth after laying of cable

Excavation in trenches for laying of underground cables above 95sqmm and upto 240 sqmm size including refilling and consolidating the excavated earth after laying of cable

Supplying and laying of 90 mm dia (OD-90 mm & ID-76 mm nominal) size DWC HDPE pipe ISI marked along with all accessories like socket,bend, couplers etc. conforming to IS 14930, Part II complete with fitting and cutting, jointing etc. in the existing trench, complete as required.

Supplying and laying of 120 mm dia (OD-120 mm & ID-103 mm nominal) size DWC HDPE pipe ISI marked along with all accessories like socket,bend, couplers etc. conforming to IS 14930, Part II complete with fitting and cutting, jointing etc. in the existing trench, complete as required.

Excavation by TRENCHLESS TECHNOLOGY : Boring of hole under earth, road, pavement, hard standing or any location as per site requirements by using ultra sounding technique and necessary machine in and including pulling of HDPE pipe of dia (not less than 90 mm PN 10 (1.0MPa) suitable for LT cable of size up to 70X3.5 core complete as per site from tapping source panel to end connections panel and testing in all respects all as specified and directed by Deptt. Note - (1) The LT cable shall be measured and paid separately under relevent of this schedule. (2) The quoted firm is responsible for making good damaged electric cables or any type of cables / items in the enroute of boring, earth work wherever applicable and the cost for the same is included in the quoted rate and no extra amount shall be paid by the Deptt in this regards. (3) Rate of HDPE pipe of 90mm PN 10 (1.0MPa) shall deemed to be included in quoted rate.