Supply, Installation, testing and Commissioning for Shifting Replacement of DW Poles and DT frame at various locations of Shey section under Improvement of HT LT Line of UT Capex 2021-22.

Amount

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 (as per REC Standard).

120 mm² Cable, 1.1kV Grade, PVC Insulated Stranded Conductor FRLS type for 100KVA 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

33kV Polymeric composite Pin Insulator 36kV, 10kN, 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 100kVA DTR having 200A TPN isolator, 200A HRC fuse (incomer) and 6 Nos 90A SP MCCB (outgoing)

Danger Plates with Clamps

GI Barbed Wire for Anti Climbing

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

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')

Dismantling,carriage and re-installation of existing xmer to new ST frame

Replacement of DW poles and Shifting 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").

GI Channel X-arm including clamps and braces (the detail specification of x-arms for DP structure attached as annexure to this NIT)

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"

Guard Netting complete with earthing connection on both sides using cradle gurad wire 8 SWG GI wire and lacing of 10SWG GI wire including GI X-arms with clamps and braces, threaded eye bolts, turn buckles and binding wire, nut bolts etc.

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

11KV Link Set 200Amp as per REC Standard.

Dismantling,carriage and Writeback of existing DW poles (60Nos) to Divisional Store Choglamsar.

Dismantling of existing 0.03ACSR conductor(14.3Km), carriage to the newly errected ST poles(250mtr average distance) and re-stringing of the same on the newly errected ST poles

M/S LOBZANG GURMET GOVT CONTRACTOR

DRUK ELECTRICALS