Supply, Installation, Testing and Commissioning for creation of 25KVA Distribution Transformer Substation along with laying of HT LT Line at Tebla of Nubra Section on full turnkey basis under District Capex 2021-22.

Amount

25 KVA, 11/0.433kV, 3-phase Distribution Transformers with Bimetallic Terminal Connectors Energy Level- 2, Aluminium wound and with LV Cable Box having detachable Aluminium Gland plate

Gapless Surge Arrestor,9 kV, 10kA, LA with polymer housing, Stn. Type

11kV GO, AB Switch 3-Phase, 3-Pole, 200 Amp, Vertical Type

11 kV Horn Gap Fuse Set 3 Phase 200A

50 mm² Cable, 1.1kV Grade, PVC Insulated Stranded Conductor FRLS type for 25KVA DTs

9 Mtr. Long Pole,ST-410 SP33)

33kV Polymeric composite Disc Insulator 36kV,min failing load 70kN, Lighting Impulse 170kV Positive and 180kV Negative, creepage distance 900mm

GI Channel/Angle/Flat of sizes including clamps (as per REC Standard).

Galvanized Nuts and Bolts.

Earthing of substation --Excavation of earth pit of dia 650 mm & depth 3000 mm, installation of Earthing pipe of 40 mm Nominal bore & 4mm wall thickness & length 2.5 mtr long as Per IS 1239.GI Strip for neutral earthing of size 25 mm x 3 mm for connection of transformer body,G.O Set & lightening arrestor as per IS 2629/85, GI nuts & bolts,refilled with earth enhancement materials and earth Chamber made of brick masonary with RCC slab cover.

33kV Polymeric composite Pin Insulator 36kV, 10kN, Lighting Impulse 170kV Positive and 180kV Negative, creepage distance 900mm

32/63Amps TPN switch disconnector fuse unit

Galvanised Stay Set with 50x8mm stay clamp, guy insulator(2Nos.), anchor plate (200x 200 x 6 mm), nut-bolts, 2 Nos turn-buckles, 1.8m long, 16 mm diameter solid GS stay rod & 7/3.15 mm dia GI stranded wire complete

Wedge Connectors / PG Clamps

Danger Plates with Clamps

GI Barbed Wire for Anti Climbing

3-Ø, 4-Wire Trivector Meter with CT(LTCT AMR compatible)

Cement bottoming 1:2:4 mix as per REC standards 0.5cum /pole including muffing 0.2Mtr above the ground level plaster and curing of concrete as per drawing/Annexure "D"

Painting of Poles Red Oxide

Painting of Poles Aluminium Paint

Sundry items like aluminium lugs, Jumpers, binding Tape etc

Laying of HT Line

9 Mtr. Long Pole,ST-410 SP33)

GI V cross-arm (75x40x6mm) with GI top Bracket (50x8 mm) including GI clamp (50x8)mm the standard as per enclosed drawing and specification as per Annexure "A").

30 mm² ACSR Conductor (Single conductor length)

33kV Polymeric composite Pin Insulator 36kV, 10kN, Lighting Impulse 170kV Positive and 180kV Negative, creepage distance 900mm

Galvinized Nuts and Bolts

Danger Plates with Clamps

Anti-Climbing Device with Clamps

Earthing Complete by GI Spiral/Rod 20mm 2.5 mtr long through GI Strip.

Red Oxide

Aluminium Paint

Cement bottoming 1:2:4 mix as per REC standards 0.5cum /pole including muffing 0.2Mtr above the ground level plaster and curing of concrete as per drawing/Annexure "D"

Galvanised Stay Set with 50x8mm stay clamp, guy insulator(2Nos.), anchor plate (200x 200 x 6 mm), nut-bolts, 2 Nos turn-buckles, 1.8m long, 16 mm diameter solid GS stay rod & 7/3.15 mm dia GI stranded wire complete

Laying of LT Line

8 Mtr. Long Pole( ST-410 SP15)

GI Channel X ARM (75X40X6mm) 4ft along with GI Clamp, 50x8mm, (4ft=8Kg, 1 No. clamp=0.83Kg = total weight = 8.83 kg)

16kN Polymer Shackle Insulators

30 mm² ACSR Conductor (Single conductor length)

Galvinized Nuts and Bolts.

Red Oxide

Aluminium Paint

Earthing Complete by GI Spiral/Rod 20mm 2.5 mtr long through GI Strip.

Cement bottoming 1:2:4 mix as per REC standards 0.45cum /pole including muffing 0.2Mtr above the ground level plaster and curing of concrete as per drawing

ROYAL HAYAN CONSTRUCTION AND COMPANY

NAMDRUK ELECTRICALS