24X7 OPERATION And MAINTENANCE CONTRACT FOR 2X2.5 MVA, 33/11KV DEDICATED SUBSTATION, AT ASSAM UNIVERSITY, SILCHAR.

PART - A

AMC for 33/11 kV substation shall include operation and maintenance of VCB, CR panel, battery charger, post isolators, power transformers through trained staff including cleaning of vegetation as per requirement inside the 33 kV substation area and around the fencing complete. The works shall require the execution of all the works included in the technical specification complete and as directed by the department.

PART - B

SITC of 33KV ,10kA LA Line type (APDCL approved makes)

SITC 33 KV pin insulator (Porcelain)(APDCL approved makes)

SITC 33 KV polymeric Disc Insulator 90kN (APDCL approved makes)

SITC 33 KV Isolator Post insulator (Porcelain)(APDCL approved makes)

SITC 11 KV Isolator Post insulator (Porcelain)(APDCL approved makes)

Supplying, installation testing and commissioning of 11 KV outdoor CT with marshalling box and GI mounting structure with connector 200-100/5-5A (set comprising of three units) as directed by department and as per the technical specification of APDCL complete.

SITC of 11 KV disc insulator(70KN)porcelain

SITC of 11 KV post insulator porcelain

SITC of 11 KV pin insulator polymeric

SITC of 11 KV , 10KA, Station type, Class-2

SITC of 11 KV , 5KA LA line type, Distribution class

Supplying, installation testing and commissioning of control cable copper 7 core X 2.5 sqmm as directed by department and as per the technical specification of APDCL complete.

Supplying, installation testing and commissioning of control cable copper 4 core X 2.5 sqmm as directed by department and as per the technical specification of APDCL complete.

Supplying fitting and fixing of transformer bushing for 33/11 KV,1X 2.5 MVA existing power transformer.

Heat curing and tanking of transformer for 33/11 KV,1X 2.5 MVA existing power transformer.

Oil filter and filling after dehydration of transformer for 33/11 KV,1X 2.5 MVA existing power transformer.

Supplying fitting and fixing of transformer new gasket set complete for 33/11 KV,1X 2.5 MVA existing power transformer.

Cleaning, painting, varnishing of transformer tank both inside and outside for 33/11 KV,1X 2.5 MVA existing power transformer.

Supplying and fitting fixing of 33 KV V Cross arm complete with clamps ,blots, nuts etc. as required and as directed by the department.(channel size 100x50x6mm)

Supply fitting fixing of GI strip 50x6mm for DTR neutral

Supply fitting fixing of HT Stay sey

Supply fitting fixing of GI nuts and bolts assorted

Supplying and fixing of 11 KV 400 A Gang operated switch with all accessories complete as required and as directed by the department.

33 KVA Breaker Overhauling as per standards of APDCL and as directed.

Supply fitting & fixing of Overcurrent / Earth fault relay as per standards of APDCL and as directed.

Supply fitting & fixing of Master trip relay as per standards of APDCL and as directed.

33 KV CT Overhauling as per standards of APDCL and as directed.

Transformer Filtration as per standards of APDCL and as directed.

Transformer Testing and commissioning complete as per standards of APDCL and as directed.

Supply of Transformer Oil complete as required and directed.

Repairing of 2.5 MVA marshalling box (Master control panel for protection ) along with supply of new WTI, OTI complete with wiring done to indoor CR panel for protection indication complete as directed by department.

Repairing of existing bucholz relay complete with wiring done to indoor CR panel for protection indication complete as directed by department

SITC of silica gel breather for 2.5 MVA power transformers

Oil temperature gauge for 2.5 MVA power transformers

7 Segment 4 digit LED display CR panel single phase Ammeter.

7 Segment 4 digit LED display CR panel single phase Voltmeter.

4 pole contactor with AC/DC coil with power poles.

12V ,100 AH battery for CR panel DC power supply.

Any other SOR item based on APDCL SOR.