(i) Providing 2000kVA, 11kV /433V Distribution Transformers at MSB, ESB and BSB Substation for power supply to district cooling new chillers and equipment (ii) Shifting and re-erection of existing distribution transformers and substation equipment

Amount

Supply, Erection, Testing and Commissioning of following Distribution type mineral oil filled ONAN & OCTC type outdoor type transformer with complete fittings and accessories as per the enclosed Technical Specification and IS 1180 (Part-I):2014, Amendment No:4 , LEVEL-1 .

2000kVA, 11kV/433V Distribution Transformer (i) Supply

(ii) Erection

1000kVA, 11kV/433V Distribution Transformer (i) Supply

(ii) Erection

Supply, Installation, Testing and Commissioning of TPN,4W, 3200A Aluminium sand wich design busduct with suitable IP66 canopy for out side portion for 415V 3 phase 4 wire 50HZ AC supply system Class F insulation ( between transformer LT side and up to the incomer of the MV Panel) of Aluminium busbars complete with required bends, expansion joints, fire barriers , copper flexible etc end connections at both ends, earthing with 2 runs of aluminium earth of size 50x 6mm strips etc including necessary supports from ground level and ceiling level as recommended by Engineer in Charge etc as per specifications as required.

Supply, Installation, Testing and Commissioning of TPN, 4W, 2500A Aluminium sand wich design busduct with suitable IP66 canopy for out side portion for 415V 3 phase 4 wire 50HZ AC supply system Class F insulation ( between transformer LT side and up to the incomer of the MV Panel + MV Panel to Chiller Panel ) of Aluminium busbars complete with bends, expansion joints, fire barriers , flexible etc end connections at both ends, earthing with 2 runs of aluminium earth of size 50x 6mm strips etc including necessary supports from Ground and ceiling level as recommended by Engineer in charge etc as per specifications as required.

Supply & Laying of following sizes 11kV (E) HT UG Aluminium armoured XLPE Power cable in a 150 mm dia HDPE DWC pipe in a trench of 50cm wide and 100cm depth including earth work excavation in all soils and sub soils and back filling, consolidated in a regular interval of 25cm thick rammed and complying with standard specification.The rate should be inclusive of cable route markers at every 50m interval as decided by the Engineer Incharge

3C X 240 sqmm

Supplying and making Straight Through Joints for the following sizes of 11kV (E) HT UG Aluminium armoured XLPE Power cable with suitable lug / Ferrules socket and using necessary jointing materials with RPG make heat Shrinkable Joint Kit.

3C x 240 Sqmm

Supplying and making End termination for the following 11kV (E) HT UG Aluminium armoured XLPE Power cable with suitable lug / Ferrules sockets and necessary jointing materials with Rhychem heat Shrinkable Joint Kit.

3C X 240 sqmm

Supplying& Laying of following sizes PVC XLPE insulated alu/cu Conductor armored LTUG cable in a 50 mm to 100 mm dia HDPE DWC pipe in a trench of 50cm wide and 75cm depth including earth work excavation in all soils and sub soils and back filling, consolidated in a regular interval of 25cm thick rammed and complying with standard specification including cable route markers in every 50m span.

3.5c X 400 sq.mm ( Alu)

3.5c X 240 sqmm ( Alu)

3.5c X 150 sqmm ( Alu)

3.5c X 70 sqmm ( Alu)

3.5c X 35 sqmm ( Alu)

4C x2.5 Sqmm (Cu)

10C x 2.5 Sqmm ( Cu)

Supplying and making end termination for following sizes alu/cu Conductor LT UG cable using suitable compression gland with required copper ferulles / socket and other jointing materials

3.5c X 400 sq.mm( Alu)

3.5c X 240 sqmm ( Alu)

3.5c X 150 sqmm( Alu)

3.5c X 70 sqmm ( Alu)

3.5c X 35 sqmm ( Alu)

4C x2.5 Sqmm (Cu)

10C x2.5 sqmm ( Cu)

Supplying and making straight thro cable joint for following sizes aluminium or copper Conductor LT UG cable using RPG Heat Shrinkable /cast resin materials with required copper ferulles / socket and other jointing materials.

3.5 core 400 sq.mm ( Heat Shrinkable)

3.5 core 240 sq.mm ( Heat Shrinkable)

3.5 core 150 sq.mm ( Heat Shrinkable)

3.5 core 70 sq.mm ( cast resin)

3.5 core 35 sq.mm ( cast resin)

Supply, Erection, Testing and Commissioning of Cast iron pipe and copper plate earth as per IS - 3043 - 1987 including excavation of soil and sub soil , back filling with equal layers of salt and charcoal and the excavated soil , ramming, consolidating, Masonry construction, heavy duty cover slab etc. The CI pipe should be 100mm dia and 3mt long bolted with 600 x 600 x 3 mm thick copper plate at the bottom. 2R of 50 x 3 mm copper flats should be taken from the copper plate to the top of the CI pipe and clamping with suitable clamps

Earthing the installation with the following sizes of earth wires. The rate shall be inclusive of spacer clamp for main earth flat suitable clamping with the MS flats for earth wires including crimping of socket etc.or laying below 0.5m from ground level including earth work excavation and refilling the excavated soil.

100 x 10 mm GI Flat

50 x 6 mm GI Flat

25 x 6mm GI flat

Supply , Erection,Testing and commissioning of suitable size extendable floor mounting cubical type following LT Main Panel board suitable for 415V 3ph 4 wire 50Hz AC supply system fabricated in a compartmentalized design from CRCA sheet steel of 2mm thick for frame works and cover with 3mm thick removable gland plate ,cleaning and finishing with 7 tank process for powder coating with siemens grey having extensible type Aluminium busbar of suitable capacity as per the incomer ACB /MCCB/SDF ratings with DMC/SMC busbar suppotrs with short circuit withstand capacity of 31MVA / 1Second , bottom base channel of 100mmX 50mm X 5mm. .The In/Out going Cable entry should be from the rear side of the panel. Bus bars will be Aluminium , air insulated , R,Y,B, N(Black) PVC sleeved capable of carrying full load current for all the 3 phases and same size for neutral . The current density of aluminium shall be designed for 0.8A per sqmm. The bus chamber should have proper air ventilators.2 separate run of 25 x 5 mm copper earth bus painted in green colour should be provided all along the panel and connected to the main grid. Interconnectios should be taken to metering chamber, MCCB's, ACB's, FSU's etc sothat all current carrying components are effectively earthed.Removal of existing industrial/cubical type panel after disconnection of cable and reconnecting them to the new panel by excavation of earth out side the building ,minor civil works like breaking of concrete floors ,minor alteration in masonary trench works . MS 'П' type channels for the proposed panel is also with contractor's scope for erection works .More over the panels shall be coupled with the existing MV Panel . Hence proper rating of interconnecting Busbars also to be added while quoting the rate .Necessary Panel drawings , QAP and GTP to be got approved from the Engineer incharge before fabrication.

PANEL-1

Incomer 1 :2500A TP ACB 60kA -1nos (MDO independent manual spring closing mechanism, microprocessor release for o/c , e/f and short circuit protection-1no, breaker ON/OFF/Trip indication Lamps). Bus Coupler: 2500A 4P ACB 60kA - 1 No (MDO independent manual spring closing mechanism-1no, microprocessor release for o/c , e/f and short circuit protection-1no, breaker ON/OFF/Trip indication Lamps) as BUS COUPLER Out Goings: 1000A TP ACB 50kA - 2 Nos (MDO independent manual spring closing mechanism-1no, microprocessor release for o/c , e/f and short circuit protection-1no, breaker ON/OFF/Trip indication Lamps) 630A TPN MCCB 36kA with micro processor based trip units ,front operated rotary handle and with ON/OFF/TRIP indications- 2 Nos 400A TPN MCCB 36kA with micro processor based trip units ,front operated rotary handle and with ON/OFF/TRIP indications- 4 Nos 250A TPN MCCB 36kA with micro processor based trip units ,front operated handle and with ON/OFF/TRIP indications- 2 Nos 2500A Aluminium bus bars for 3 phases and neutral 3 phase indication lamps with toggle switch-1NO, microprocessor based digital multi function meter with communication port and the facility for active and reactive power measurements -1set with required CTs and control fuses etc for each incomers and BC.Necessary Spreaders / extended copper bus bars of suitable rating with required holes should be provided for the cable and bus bar terminations.The handle should be pad lockable type in both ON/OFF positions.The work should be inclusive of providing mechanical interlocking arrangement by providing 3 locks and 2 keys arrangement.

PANEL-2

Incomer 1 :4000A TP ACB 75kA -1nos (MDO independent manual spring closing mechanism, microprocessor release for o/c , e/f and short circuit protection-1no, breaker ON/OFF/Trip indication Lamps). BUS Coupler:2500A 4P ACB 60kA - 1 No (MDO independent manual spring closing mechanism-1no, microprocessor release for o/c , e/f and short circuit protection-1no, breaker ON/OFF/Trip indication Lamps) as BUS COUPLER Outgoings :2500A TP ACB 60kA - 2 Nos (MDO independent manual spring closing mechanism-1no, microprocessor release for o/c , e/f and short circuit protection-1no, breaker ON/OFF/Trip indication Lamps) 800A TPN MCCB 50 kA with micro processor based trip units ,front operated rotary handle and with ON/OFF/TRIP indications- 2 Nos 630A TPN MCCB 36kA with micro processor based trip units ,front operated rotary handle and with ON/OFF/TRIP indications- 4 Nos 400A TPN MCCB 36kA with micro processor based trip units ,front operated rotary handle and with ON/OFF/TRIP indications- 4 Nos 4000A Aluminium bus bars for 3 phases and neutral 3 phase indication lamps with toggle switch-1NO, microprocessor based digital multi function meter with communication port and the facility for active and reactive power measurements -1set with required CTs and control fuses etc for each incomers and BC.Necessary Spreaders / extended copper bus bars of suitable rating with required holes should be provided for the cable and bus bar terminations.The handle should be pad lockable type in both ON/OFF positions.The work should be inclusive of providing mechanical interlocking arrangement by providing 3 locks and 2 keys arrangement.

Supplying and replacement of existing 30/75/5A CT with 100/200/5A Current Transformers with dual ratio and dual core in the existing 11kV HT VCB's with necessary inter connections between panel, relay and CT's as per IS 2705 as per the enclosed Specification.

Shifting of the following substation equipments from existing substation and to be installed in a new location by removal of existing HT /LT UG Cables complete from the soil or subsoil up to end terminations , earth connections etc and reerect them in other substation and reterminating the existing/new HT/LT cables with required terminations ( new HT/LT cables will be supplied by IIT if required)with minor trench civil works.The rate should be inclusive of transport, labour/ Machineries and all tools as required.

Removing and Re erection of 1000kVA 11kV/0.433kV Distribution Transformer including all accessories

Removing and Re erection of 500kVA 11 kV /0.433kV Distribution Transformer including all accessories

Removing & reistallation of 800A HT VCB Panel including Supply of MS Channels

Removing and Reinstallation of 110V DC Battery and Battery Charger- 1 Set including MS Channels

Removing and Reerection of of 800A MV Panel ( maximum one incomer/ 8 out goings and one buscoupler )

Supplying & fixing of following Safety equipments as per the instruction of the Engineer Incharge. (a)2mm thick danger plates made of mild steel with skull and bone mentioning 11kV and 440V - 5 nos each DCP type fire extinguisher and cylinders fully charged.-2 nos Safety instruction chart in word duly framed with 5mm glass as required. -1no GI bucket painted in post office red colour with prior coat of red oxide paint and written with white paint 'FIRE' and mounted on MS angle iron frame with bracket of appro.size & filling of sand etc.-3nos First aid box kit -1no ( minimum size of 380mm x 380mm) Shock treat chart duly mounted on a wooden frame( one in English and one in Tamil) with 5mm thick glass required.- 1 set Insulation rubber mats to withstand 15 kVdielectric strength as per IS 15652 -8mts 11kV withstand hand gloves- 1 set

Safety Lisence for the New/ shifted installations for HT/LT equipments ( for 3 substations) by submitting necessary as built drawings and documents to CEA after completion of all works.

Sabari and Leon Electricals Pvt Ltd

Modern electric co

sri sai leela electrical projects