155-ETC-I(A)/2019-2020

Amount

Construction of 33 KV Bus Coupler Bay at 132 KV Substation Soraon under Electy. Trans. Division-I, Prayagraj. The job includes the following works :-

Erection of main and auxiliary structure consisting of column beam mast and peak the job includes shifting of material nuts washer etc. from the store to the site of erection, erection of structures as per relevant drawing and practices using flat and spring washer with each bolts matching of holes cutting matching of members shall be done by contractor on his own cost to complete the job satisfactorily.

Erection the following equipments as per instruction manual of various equipments including its shifting from store to erection site including all other associated works to complete the job satisfactorily.

36 KV Circuit Breaker

36 KV CT with Junction Boxes

36 KV Bus Isolator/Line Isolator

Jumpering of equipments by ACSR panther conductor including shifting of conductor fitting insulator from store to site its straightening cutting bending of conductors for making jumpers and shifting of remaining of conductor/material form site to the sotre.

Laying of following size of unarmoured control cables trench from the control relay panel to the various equipments junction boxes etc in switchyard as per cable schedule, its saddiling at every 75mm distance with MS saddle of size 25x3mm including carriage of cable drums from store to the laying site and shifting back of reaming materials back to store and other associated work to complete the job satisfactory.

Termination of following size of control cables as per cable schedule including making necessary holes in gland plate of junction boxes supply and fixing of cable glands ferrule of appropriate size and nos. respectively for each core of cable and its termination with crimping type lugs including lugs ferrules & other minor accessories to complete job satisfactory.

Earthing of main structures and equipments by 50x6mm size MS flat (to be provided by the contractor at his won cost) including cutting straightening bending laying 600mm below ground level by digging trenches of suitable size its welding with main earth mat including painting of joints with non-corrosive paint on flat painting of the flats above ground level with good quality Berger/Shalimar/Asian make bus green paint after cleaning and applying one coat red oxide primer on the flats back filling of excavated earth, its leveling and proper ramming and all associated works including the cost of labour T&P required to complete the job satisfactory.

Erection/grouting of 33 KV C&R triple feeder panel including its shifting from store to the erection point and proper earthing of the panel in the control room and all associated work to complete the job satisfactorily.

Erection of structure 09 No. ALP structure for 33 KV CTs (for 33 KV Mauaima-I, 33 KV Mauaima-II bay and 33 KV Soraon bay), 01 ABL structure for 01 No. Bus Isolator for 33 KV 10 MVAR Capacitor Bank New.

Erection of auxiliary structure consisting of equipment structure the job includes shifting of material nuts washer etc. from the sotre to the site for erection, erection of structures as per relevant drawing and practices using flat and spring washer with each bolts matching of holes cutting matching of members shall be done by contractor on his own cost to complete the job satisfactorily.

Dismantling of 09 No. CTs from existing 33 KV CB structure of following feeders by opening the jumper of 09 No. CTs at CB side and LSI side and also opening the cable connection from junction box to CTs turret of 33 KV Mauaima-I bay, 33 KV Mauaima-II bay and 33 KV Soraon bay at 132 KV Substation Soraon.

Jumpering of equipments by ACSR panther conductor including shifting of conductor fitting from store to site its staightening cutting bending of conductors for making jumpers and shifting of remaining of conductor/material from site to the sotre.

Erection of following equipments as per instruction manual of various equipments including its shifting from the store to the site including the other associated works to complete the job satisfactory.

36 KV CT with Junction Boxes

36 KV Bus Isolator/Line Isolator

Laying of 4Cx2.5mm2 of unarmored control cables from CT turrent to junction box including carriage of cable durms from store to the laying site and shifting back of remaining materials back to sotre and other associated work to complete the job satisfactory.

Termination of 4Cx2.5mm2 control cables as per cable schedule including making necessary holes in gland plate of junction boxes supply and fixing of cable glands ferrule of appropriate size and nos respectively for each core of cable and its termination with crimping type lugs including lugs ferrules & other minor accessories to complete job satisfactory.

Earthing of main structures and equipments by 50x6mm size MS flat (to be provided by the contractor at his won cost) including cutting straightening bending laying 600mm below ground level by digging trenches of suitable size its welding with main earth mat including painting of joints with non-corrosive paint on flat painting of the flats above ground level with good quality Berger/Shalimar/Asian make bus green paint after cleaning and applying one coat red oxide primer on the flats back filling of excavated earth, its leveling and proper ramming and all associated works including the cost of labour T&P required to complete the job satisfactory.

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