State Building Construction Corporation Limited Tender

All incoming and Bus Coupler ACB's shall have inbuilt U/V release. All incoming & outgoing MCCB's shall be microprocessor based with O/L & S/C and E/F protection. All MCCB's shall be Ics = 100% Icu, with rotary handle & pad locking arrangement, with adjustable O/L & S/C trip setting as per load requirement. All TP MCCB shall be with heavy duty solid isolable neutral link. The breaking capacity specified for all ACB's and MCCB's breakers is Ics value (service rating). The instrument chamber shall be separate and shall comprise of flush type ammeter, voltmeter, selector switches, cast resin type CT's & PT's, etc. Separate CT's shall be provided for protective and measuring system and for APFCR of capacitor bank with suitable VA. Each section of Panel shall have door opearted light of sufficent lux to illumunate that section & each section of capacitor, buscoupler, transformer and DG incomers shall have exhaust fans for ventilation purpose. All Energy Analyser / TVM Shall have RS 485 Modbus RTU on board Communication protocol for SCADA communication. The fault withstanding capacity of panel & its control gear shall be min. 45 KA rms for 1 sec. The maximum height of the panel should not exceed 2100 mm unless specifically approved. GA drawings shall be got approved from Owners / Architects / Consultants before fabrication.The panel has to be specifically fabricated as per the space available at basement level. The existing column positions will also be considered.

1 way 11KV, 3 Phase, 50Hz, 3 wire, floor mounted, non extensible, having hinged arc proof cable doors,breaking capacity 18.4KA, SF6 insulated compact switchgear enclosed in stainless steel tank having IP67 degree of protection consisting of following:-

Constructing brick masonry septic tank size 3x2M including soakpit of size-2 meter dia. of cement mortar 1:4 (1 cement : 4 coarse sand) R.C.C. top slab with 1:2:4 mix ( 1cement : 2 coarse sand : 4 graded stone aggregate 20 mm nominal size ), foundation concrete 1:4:8 mix (1cement : 4 coarse sand : 8 graded stone aggregate 20 mm nominal size) inside plastering 12mm thick with cement mortar 1:3 (1 cement : 3 coarse sand) finished with floating coat of neat cement and making necessary channels in cement concrete 1:2:4 (1 cement : 2 coarse sand : 4 graded stone aggregate 20mm nominal size) finished with a floating coat of neat cement complete as per standard design.