Supply, Installation, Testing and Commissioning for Shifting DT frame along with HT Line at various locations of Nubra section under Improvement of HT/LT Line of UT Capex 2021-22.

Amount

DT Substation

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

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.

LT Distribution Box Out door mounting type for 3 Ph 25kVA DTR having 40A TPN isolator, 40A HRC fuse (incomer) and 3 Nos 40A SP MCCB (outgoing)

Danger Plates with Clamps

GI Barbed Wire for Anti Climbing

Cement bottoming 1:2:4 mix as per REC standards .5cum/pole

Painting of Poles Red Oxide

Painting of Poles Aluminium Paint

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

Sundry items like aluminium lugs, Jumpers, binding Tape etc

Chain link Fencing for Transformer with dimension (10'x10'x6') using Angle Iron 40x40x6mm with mesh wire of 2"x2" having door facility of dimension (3'x6')

Dismentalling,carriage and reinstallation of existing xmer to new ST frame (200 Mtr Aprx)

Shifting of HT Line

9 Mtr. Long Pole( ST-410 SP33)

GI V cross-arm with top Bracket including clamp as per specification(14.631Kg/complete V-set)

30 mm² ACSR Conductor (Single conductor length)

GI Channel X-arm including clamps and braces for DP (80Kg/DP) (as per REC Standard)

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

33kV Polymeric composite Disc Insulator 36kV,min failing load 70kN, 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

Galvanised channel 8ft 75x40x6mm (4 Nos.) for link Set.

11KV Link Set 200Amp as per REC Standard.

Dismentalling of 8 Mtr ST Pole , carriage(200mtr) & re-erection at the new location

Dismentalling of 0.03 ACSR conductor and re-stringing of the same on the newly errected ST pole

ROYAL HAYAN CONSTRUCTION AND COMPANY

NAMDRUK ELECTRICALS