Supply, erection, testing and commissioning of 11kV Vacuum Circuit Breaker (VCB) at Sub-Station No.10 (33 kV Sub-station) and Sub-Station No. 12 HT change over panel for both HT Source of Sub-Station No. 4 and Diamond Jubilee Complex Sub-station No.

Amount

Indoor type Metal Clad VCB, Totally enclosed & fully interlocked, floor rolled draw out type breaker consisting of two panel VCB Incomer as per IEC 62271-100. 11KV, Single break trip free breaker with Motor operated spring charged mechanism, mounted on a truck carraige, complete with self contained operated fully interlocked rack in & rack out mechanism. Breaker is featured with mechanical ON & OFF Indicator with hand trip device, Spring release coil, 1Shunt trip coil & auxilliary switch of 4NO+4NC, Breaker Current Rating shall be as mentioned in ANX-1 to Anx-3 (product catalogue with technical specification may be submitted with Technical bid)

Indoor type Metal Clad VCB, Totally enclosed & fully interlocked, floor rolled draw out type breaker consisting of Nine panel VCB Incomer as per IEC 62271-100. 11KV, Single break trip free breaker with Motor operated spring charged mechanism, mounted on a truck carraige, complete with self contained operated fully interlocked rack in & rack out mechanism. Breaker is featured with mechanical ON & OFF Indicator with hand trip device, Spring release coil, 1Shunt trip coil & auxilliary switch of 4NO+4NC, Breaker Current Rating shall be as mentioned in ANX-1 to Anx-3 (product catalogue with technical specification may be submitted with Technical bid)

Supply & making indoor type cable end termination to 11kV ,3core 95 sq. mm and up to 3core 120 sq. mm aluminium conductor XLPE,11kV (UE)/22kV(E), insulated cable with heat shrinkable type end termination kits, solder less sockets,11kV insulation tape. Terminal connection earthing, identification tags and making connection to switchgears, transformer, bus bars etc. inclusive all hardware as required for the following cables:- (a) Up to 120 sq. mm,3core

Supply & making straight through jointing of 11kV ,3core 95 sq. mm and up to 3core 120 sq. mm aluminium conductor XLPE,11kV (UE)/22kV(E),insulated cable with heat shrinkable type jointing kits, solder less sockets,11kV insulation tape. Inclusive all hardware as required for the following cables:- (a) Up to 120 sq. mm,3core

Design, Fabrication, Supply and fixing of MS box with powder coated painting to be fixed on VCB panel side for HT cable connection Size:600mm(H) x 450mm(B) x 300mm(D) depth,2mm thick ms sheet as instructed by site in-charge.

One Kirloskar Make and one CGL Make 11kV VCB Panel to be dismantled from Sub-station No-10 then transported to Sub-station No.-6 and installation, necessary power and control cable connection final charging at Sub-station No.-6 after dismantling and shifting from their existing 11kV VCB (OLD) one Alstom & other Andrew Yule Make. As per instruction of site-in-charge. (End termination & Straight through jointing charge will be pay separately) Old switchgear to be dismantled/shifted by the contractor.

Laying of one number PVC insulated and PVC sheathed/XLPE power cable of 11KV grade of following size in the existing masonry open duct as required. (a) Up to 120 sq. mm, 3core

BUYBACK ITEM: ( In the BOQ the Total amount shown after deduction of quoted amount of this item) The following (old) existing switchgear to be buyback for replacement by new switchgear:- (1) Andrew Yule Make 02 Panel 11kV VCB with CT, PT etc. At Sub-station No.-12. (2) Andrew Yule Make 04 Panel 11kV VCB with CT, PT etc. At Sub-station No.-10. (3) One no Andrew and one no Alstom 11 kV VCB with CT, PT etc. At Sub-station No.-6. Total no of 11 kV switchgear to be buyback = 08 Nos

Gouri Construction Company

Jaydeep Agency Corporation

SHREE GOURI ELECTRIC ENTERPRISE

Calcutta Power Construction Co.