Construction of 2X5 MVA, 33/6.6 kV substation for supplying power to new 928 G plus 8 quarters with Operation and Maintenance during DLP at Basundhara Township, Basundhara Area, MCL.

Amount

SURVEY, SOIL TESTING & DESIGN ENGINEERING COST

(a) Detailed survey of the area within the battery limit & submission of reports (complete works as per Tender document) (b) Sub soil exploration, field and laboratory testing of samples and submission of reports (complete works as per Tender document)

Design Engineering cost: (a) Preparation of system engineering (complete works for system as per system requirement) (b) G.A. & detailed engineering designs and drawings of all civil and structurals included in system & Scope of works (complete works for system as per system requirement) (c) G.A. & detailed engineering designs and drawings including working and maintenance manuals of (Complete works for system) : i) 33KkV power tapping arrangement, ii) Outdoor switchyard equipment (Electricals), iii) Indoor switchgear equipment, iv) Illumination system, v) Cables, vi) Earthing system, vii) Lighting protection system, viii) Fire-fighting system, ix) CCTV system (Complete works for system as per system requirement) d) Documentation as per tender specifications

CIVIL AND STRUCTURAL WORKS

Civil and structural work (Outdoor Switchyard, Substation building)

Earthwork for all types of soil and rock a) Earthwork in cutting b) Earthwork in filling c) Sand filling

a) PCC at all levels as per system requirement b) RCC (excluding reinforcement) at all levels as per system requirement c) Supply, bending, binding and placing of TMT steel in position

Brick work with all finishing

Structural steel works at all levels as per requirement including four pole structures

Misc. items of works like flooring, painting, waterproofing, tiling, fixing doors, windows, shutters etc

Developmental work and infra-structures

a) Internal road (Bituminous) of 3.5 m wide and drains b) Levelling, dressing of vacant area gravel/ stone balast filling in Yard c) Borewell with pipe line arrangement for potable water and sanitary fittings d) Boundary wall & Fencing e) Parking Shed, DG Shed and Security Post

SUPPLY OF PLANT & MACHINERY

ELECTRICAL P&M EQUIPMENT AND ACCESSORIES

33 KV POWER TAPPING ARRANGEMENT WITH FOUR POLE STRUCTURES (As per clause no. 3.5.1) a) 33 kV disc/pin insulators for 13 meters height four pole steel structure to receive 33 kV AAA WOLF/DOG conductor overhead transmission lines. b) 33 kV disc/pin insulators for 11 meters height four pole steel structure to receive 33 kV AAA DOG conductor overhead transmission lines. c) Lightning Arrestors, station class, 30 kV, 10kA, suitable for 33kV, effectively earthed (each set consists of 3 nos.). - 12 sets d) Isolator, 33 kV (nominal), double break, 3 poles, pole mounted, 1250 A, 13.12 kA, with gang operated air break (GOAB) switch arrangement. - 10 sets e) AAA WOLF conductor for making end terminations between towers and four pole structures etc. f) AAA DOG conductor from proposed 13 meters 4-pole structures to 11 meters 4-pole structures.

33 kV BUSBAR & 33 kV INSULATORS FOR 33 kV OUTDOOR SWITCHYARD (As per clause no. 3.5.2) a) Suitable insulators to receive/terminate 33 kV incoming lines on towers/ steel structures provided with suitable anti climbing device. b) 33 kV busbar system complete with aluminium tubular bus on towers/steel structures. c) AAA conductors for making inter connections between different equipment on 33 kV side.

OUTDOOR SWITCHYARD EQUIPMENT (As per clause no. 3.5.3) a) Lightning Arrestors, station class, 30 kV, 10kA, suitable for 33kV, effectively earthed (each set consists of 3 nos.). - 4 sets b) Isolator, 33 kV (nominal), double break, 3 poles, pole mounted, 1250 A, 13.12 kA, with earthing switch. - 2 sets c) Isolators, 33 kV (nominal), 3 poles, pole mounted, 1250 A, 13.12 kA, arrangement. - 8 sets d) Isolators, 33 kV (nominal), 3 poles, 630 A, 13.12 kA, pole mounted, with earthing switch & DO Fuse. - 4 sets e) Current Transformer (CT), single phase, outdoor type, 33kV, 3cores, CTR 75-150/1 amps (each set consists of 3nos.). - 5 sets f) Potential Transformer (PT), outdoor type, 33kV/√3/110V/√3/110V/√3, 2 cores, 100 VA each for 33kV, 3phase system (each set consists of 3 nos.) - 2 sets g) Vacuum Circuit Breaker, outdoor type, 33kV, 1250A, 13.12 kA, 750 MVA along with 33 kV indoor control and relay panel & instrumentation. - 5 sets Continued at sl. no. 3.05...........

Continued from sl. no. 3.04...... h) Power transformer, outdoor type, 5 MVA, 33/6.6kV, ONAF/OFAF, DYn-11, Off- load tap changer cu wound and LV neutral effectively earthed through required value of resistance. - 2 Nos i) 100 kVA, 33kV/415 V Station transformer, DYn-11, Off- load tap changer, cu wound, outdoor type & plinth mounted. -1 No. j) 63 kVA, 33kV/230 V (L-L) Lighting transformer, DY-11, Off- load tap changer, cu wound, outdoor type & plinth mounted. -1 No. k) Neutral grounding resistor with relay protection (Restricted Neutral system) for 33/6.6 kV transformer secondary neutral. - 2 Nos l) Isolator, 6.6 kV (nominal), 3 poles, pole mounted, 1250 A, 21.86 kA, with earthing switch. - 2 sets m) 6 kV, 5 kA Lightning arrestors, station class, suitable for 6.6 kV (each set consists of 3 nos.). - 2 sets Note: Rate to be quoted in sl. no. 3.04 for the items covered in sl. No. 3.04 & 3.05.

INDOOR CONTROL AND SWITCHGEAR EQUIPMENT (As per clause no. 3.5.4) a) 13-Panel, 6.6 kV switchboard with 250 MVA symmetrical breaking capacity, indoor type consisting of 13 nos. of vacuum circuit breakers with 13 numbers of 1250 amps for outgoing panels. - 1 Set b) 415 V, 3 Ph-N, AC Distribution Board with ammeter, voltmeter, indications and all protections including one number of 4-pole MCCB for incomer and required numbers of TPN MCCB, 3/2 pole MCB etc for outgoing feeders. -1 Set c) 230 V (L-L), Main Lighting Distribution Board (MLDB) with ammeter, voltmeter, indications and all protections including one number of 3-pole MCCB for incomer and required numbers of 3 pole MCCB etc for outgoing feeders. - 1Set d) 175 Ah (Minimum), 110 V rechargeable sealed maintenance free (SMF), lead acid type battery complete with two float cum boost battery charger (one working and one standby), rack, 110 V, 1 Ph-N, DCDB with all protections including incoming MCCB (1 no.) & outgoing MCBs, HRC fuses etc. e) 25 kVA, 415V, DG set with AMF panel, emergency AC distribution board, wiring etc.. - 1 Set

Illumination system comprising of sub-lighting distribution boards (SLDBs), LED light fittings (surface mounted, Batten type tube light, street lights, flood lights), poles, lighting masts, emergency lighting, junction boxes, cable tray, cable rack etc. as described in scope of supply (Sl. no 3.5.5) and System description.

6.6 kV XLPE aluminium power cable, 1.1kV PVCSWA/XLPE aluminium power cables & lighting cables, 1.1 kV grade PVCSWA/XLPE copper control cable of different sizes having FRLS properties and flexible cables along with all accessories such as cable tray, cable rack etc. as described in scope of supply (Sl. no 3.5.6) and System description.

Earthing system for outdoor switchyard and substation building including required number of chemical earth pits, mat earthing system, GI earth strips, safe electrodes, saddles, required hardware etc. as described in scope of supply (Sl. no 3.5.7) and System description.

Lightning protection system for outdoor switchyard and indoor substation building including lightining masts (steel towers), shield wire, lightning spikes, interconnecting strips, required no of chemical earth pits (independent of the earth pits provided for earthing), GI earth strips etc. as described in scope of supply (Sl. no 3.5.8) and System description.

Firefighting system including portable fire extinguishers (Dry powder type, CO2 type), sand buckets and Nitrogen injection Fire Extinguishing & Fire Protection system (NIFEFPS) for 5 MVA, 33/6.6 kV power transformers as described in scope of supply (Sl. no 3.5.9) and System description.

Pressurization for Switchgear & control room and battery room, Split Type Air conditioners of 1.5/2.0 T capacity, Ceiling fans of 1200 mm sweep along with electronic fan regulators and 600 mm sweep Exhaust fan etc.as described in scope of supply (Sl. no 3.5.10) and System description.

CCTV system with bullet/dome/panoramic cameras, DVRMS, server & operating station, rack-based LED monitor, junction box, cables and other necessary hardware for entire outdoor switchyard, substation building, parking shed and security post areas of proposed 33/6.6 kV substation as described in scope of supply (Sl. no 3.5.11) and System description.

Miscellaneous items such as insulating mats of 25mm thick, danger plates as per IE rules, safety charts, safety belts and discharge rod as described in scope of supply (Sl no 3.5.12) and System description.

Any other item not mentioned above but required for completion of job.

ERECTION, INSTALLATION AND COMMISSIONING OF PLANT & MACHINERY

Electrical P&M

OPERATION, MAINTENANCE AND TRAINING

a) Training on Operation & Maintenance staff

b) Operation and Maintenance of the 2x5 MVA, 33/6.6 KV substation (all inclusive) including supply of required manpower, spares and consumables during defect liability period of 5 (Five) years after commissioning of sub-station as per Tender document

Total impact of GST plus Labour Cess [@ 1 % (BOCW Cess to be deducted from the RA bill as per the value of the work progress)] for the purpose of CTC

Konstelec Engineers Limited

R.R. ENGINEERS AND SURVEYORS

ADEPT POWER PRIVATE LIMITED

Suncity Urja Private Limited