PROVN OF MODERNISED COMPACT SUB STATION FOR OTM AND STUDENT OFFRS MD ACCN AT MCMM JABALPUR

Taking down existing old Extg unserviceable LT UG/service cable of any description and size complete all as specified and as directred.

Supplied, laying & testing XLPE insulated, screened, PVC bedded, galvanised steel strip or wire armoured, HT electric power cables (heavy duty) with staranded aluminium conductor, 11000 volts, grade, of size 3 Core 95 Sq mm complete all as specified & directed.

Supplied, laying & testing XLPE insulated, screened, PVC bedded, galvanised steel strip or wire armoured, electric power cables (heavy duty) 1100 volts grade with staranded aluminium conductor, of size 3.50 core 185 Sq mm complete all as specified & directed.

Supplied, laying & testing XLPE insulated, screened, PVC bedded, galvanised steel strip or wire armoured, electric power cables (heavy duty) 1100 volts grade with staranded aluminium conductor, of size 3.50 core 120 Sq mm complete all as specified & directed.

S&F Cable jointing kit for 11 KV (Earthed) grade cable for outdoor termination cold shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 95 sqmm complete all as specified & directed.

Design, Manufacture, Supply, Installation, Testing and Commissioning of Outdoor Type Compact Sub- Station (CSS) having 11 KV, 630 A VCB, 250 KVA Copper Wound Oil cooled type Transformer & LT Side comprising of the following below mentioned accessories complete all as specified and as directed:- (a) HT Section :- (i) 11 kV, 630 Amp, Indoor Type, VCB Horizontal Drawout Horizontal isolation floor mounting motorized panel with 230v motor mechanism & 24v DC Shunt/Close coil with CT, PT, IDMT Relay, 8 Window Annunciator Model No. SI-801, Battery Power Pack with 7AH Battery & in built charger for 24V Circuit and other fittings & accessories - 01 No (ii) Potential Transformer – 3 Phase cast resin of ratio 11kV/110V, Class-0.5, 100VA with HT Primary Fuses - 03 Nos (iii) Current Transformer –Cast resin Ratio: 60-30/5+5A, Core1:Cl.0.5, 15VA, Core2:Cl.5P10, 15VA - 01 No (iv) Protection Numerical 2OC + 1EF Relay - 01 No (v) Auxiliary Relay - 01 No (vi) Micro Processed based Non-Directional IDMT - 01 No (vii) Indication Lamps VCB off / on / auto trip/ Trip circuit healthy/spring charge indication - 01 Set (viii) Metering Multifunction Meter - 01 Set

(b) Transformer Section :- 250 KVA, 11/0.433 KV, 3 Phase, 50HZ, ONAN Cooled Oil immersed Copper Wound Step Down “BIS Marked & BEE Star Labelled” Transformer Complete with first filling of IS:335 ISI Marked Filtered & Dehydrated Transformer Oil, having 7 position Off-Circuit tap changer with tapping range +7.5% in steps of 2.5% each with all standard fittings & accessories including OTI, WTI & Marshalling Box. Transformer as per IS-1180(Part-1)-2014 EEL- 3 with amendment no.- 4 Losses @50% Load - 864W Losses @100% Load - 2488W (c) LT Section :- (i) LT Panel comprising of LV Side Incomer – 01 Nos. 400 Amp 4 Pole 500 KA MCCB, 630 Amp Aluminium Bus bar 4 pole with thermal magnetic based release with O/L & S/C Protection.- RYB Indication and Ammeter and Voltmeter.

(d) Enclosure Section :- (i) Space Heater with ON/OFF Switch and Thermostat, Single phase switch with socket, LT Cubical illumination Lamp with Door Limit switch and MCB’s for AC / DC Control-01 Set (ii) MS Steel Sheet enclosure suitable for Outdoor Installation with MS base channe, Provision for receiving Incoming cables thro Bottom entry and out going through Bus bar to Trf panel, Excluding Termination Kit & Glands, Provision for receiving Incoming through bus duct by bus bar and Outgoing thro cable box bottom entry Excluding Termination Kit & Glands -01 Set (iii) Bus Bar – Aluminum-01 Set (iv) Earth Bus – Aluminum - 01 Set (v) Paint shade: Siemens Grey ( RAL 7032) - 01 Set

[vii] Pre-Dispatch Inspection: Bidder shall offer for pre-dispatch inspection at OEM works. Only after the equipments are cleared by the department in writing, the bidder can dispatch the equipment. Routine tests as required shall be conducted and original test certificates shall be submitted at the time of Pre-Dispatch Inspection. [viii] Commissioning Spares: Additional commissioning spares such as Digital Multifunction Meter – 1 Nos, Indication lamps – 3 Nos, Protection Relay – 1 Nos, Spring Charging Handles – 2 Nos and Panel Keys – 2 Nos shall be provided by the bidder. [ix] Suppressors or other protection devices shall be provided, if required as per schedule of quantities, wherever the sub-station installation is likely to interfere during the operation with any other electric or electronic equipment. [x] Construction of plinth for CSS : Excavation of pit of size suitable for CSS with Minimum height of 1000mm above Avg GL, filling with sand for 150mm depth, laying 150mm thick bed concrete with PCC(1:4:8) Using 40mm graded stone aggregate , construction of plinth as per drawing (2 supports) with brick Masanory of size 0.837 cum and plastering all around the outer side with CM(1:4) 12 mm Thick and White washing 2 coats including cost and transport of all material and labour charges for all operation incidental charges etc., complete as directed by the Engineer in Charge [xi] CSS shall be from OEMs only . Licensed System Integrators shall not be allowed to supply.) [xii] CSS, Vacuum Interrupter, RMU,LT panel, MFM, transformer and CSS enclosure shall be of same make to ensure life cycle optimization.

M & L for earthing complete with galvanized steel earth plate electrode 60cmx60 cmx 6mm thick buried directly in ground vertically (earth pit not less than 2.25m deep below ground level) with top edge of the plate not less than 1.50 mtr deep below normal ground level connecting to and including GI steel strip of size 32 x 6 mm by means of bolts, nuts, check nuts, and washers of galvanized iron or steel including 40 mm dia medium grade pipe for protection of GI strip to the extent of 7.5 mtrs as earthing lead including charcoal dust and salt packed all around the earth plate in the earth pit all as per Electrical plate No 3 of SSR par - I (2009) including PCC foundation/chamber in mix 1:2:4 type B1 with angle iron frame CI frame, CI cover with provision of locking arrangement and 20 mm dia light grade GI pipe from top edge of the earth plate upto MS funnel with wire mesh provided inside the concrete earth pit for watering arrangement complete including excavation and earthwork in any type of strata and testing complete including fill up the earth pit with soil for best result and removal ( for LT Panels). Note :- Earth protection pipe & earthing strip upto and including 7.5 m length is deemed included in unit rate quoted by the contractor.