Construction of HT/LT line including 1x 500 KVA Sub-Station for providing new service connection at Holy Cross School, Agartala under ESD Durjoynagar

Amount

(ERECTION)

9.0 mtr long PCC pole

A.C.S.R. (6/1/2.59) mm dia WEASEL Conductor.

11 KV pin insulator along with pin

11 KV single disc insulator set alongwith necessary fittings.

MS Channel 75x40x40x6 mm(1.3 to 2.8mtr long)

MS Channel 65x65x6 mm(1 to 2.8 mtr long)

Erection of 9KV,5KA single pole metal oxide gapless type LA,including necessary connection complete as per technical specification.

Erection of 11KV DOF unit set of three nos i/c necessary connection complete.

Erection of 11KV 200A GOS unit set of three nos i/c necessary connection complete.

Installation of 11/0.430KV, 3 ph 500 KVA DTr on pole with necessary connection & fitting fixing of all allied accessories components as reqd for making complete in all respect for energizing.

(SUPPLY of the following)

3XC 70 sq mm 11 KV XLPE Cable

Outdoor Heat Shrink type End Termination Jointing kit for XLPE insulated cable of grade11KV,3 Core 70 sqmm.

Supply of fabricated clamps assorted size of MS Flate(50X6 mm)

HDPE pipe 110 mm outer dia of 6 mtr length.

Wooden Plank

(Civil Works)

Earthing with GI pipe 2.5mtr long 40mm dia,including excavation,refilling with alternate layer of salt & charcoal as per drawing(excluded supply of GI Pipe,salt & charcoal,GI wire,nuts &bolts,etc as required)

Laying of 8 SWG GI wire at 300mm below the ground level for earthing of Sub-Station equipments from the earth electrode.

Supply of 2.5mtr long 40mm dia GI Pipe Make:- Tata/Jindal

Supply of 60Kg salt &55Kg Charcoal (For 1 pit).

Laying of 11 KV 3 core ,70 sqmm XLPE insulated Aluminium conductor UG Cable in the ground i/c excavation,sand cushioning, protective covering and refilling the trench etc as reqd.Trench size: Width: 350mm, Height: 1200mm / sand cushioning: Height : 250mm, Width: 350mm /Protection: Double layer brick.

Laying of one number PVC insulated and PVC sheathed / XLPE power cable of 11 KV grade of following size in the existing RCC/ HUME/ METAL pipe as required Upto 120 sq. mm

Laying and Commissioning of 3-phase 3-core 6.35/11 KV 70 Sq mm XLPE insulated Aluminium power cable throug PE 80,PN 6 100 mm O.D minimum wall thickness 7.7 HDPE pipe by all terrain horizantal directional drilling,digging Machine Boaring across the road crossing without affecting the existing road surface at adepth of minimum 1200 mm i/c coiling of excess cable with protecting by double layer brick soiling as per design,specefication & engineering reuirement of TSECL whereever required.

Laying of one number PVC insulated and PVCsheathed / XLPE power cable of 11 KV grade of all size in the GI Pipe/HDPE for riser including tieup ofPipe with pole by the help MS Flat Clamp (excludingcost of Clamp and Nut&Bolts) as requiredUp to 400 sq. mm

Providing of Pre-cast cement concrete cable identification route marker(1 cement: 2 coarse sand: 4 graded stone aggregate 6mm nominal size) re-inforced with 1.6 mm dia mild steel wire including centring and shuttering, rouhening clearing, fixing and finishing in cement mortar 1:3 (1 cement : 3 fine sand) etc. complete, excluding the plastering of jambs, sills and soffits as per design, drawing and specification of TSECL.The marker shall be embossed " DANGERS : TSECL,ELECTRIC POWER CABLE" with black colour letter(both side). The visible part shall be painted with yellow colour japan paint (1 cement :2 coarse sand :4 graded stone aggreate 6mm nominal size) reinforced with 1.6 mm dia mild steel wire including centering and shuttering, roughening cleaning,fixing and fishing in cement mortar 1:3(1 cement: 3 fine sand) etc.

Febrication of Cross arm by Channel/Angle as per specification

(CARRYING OF THE FOLLOWINGS)

Carriage of 9 mtr length of PCC pole by mechanical Transport from the Store to ESD office to work site upto a lead of 25 KM.(5 Nos PCC Pole).

Carriage of G.O.S, D.O.F, LA, etc by Mechanical Transpot from A.D. Nagar Store Sub-Division to ESD office to work site upto a lead of 25 KM.

Carriage of materials such as ACSR,stay set,insulators etc by mechanical transport from A.D. Nagar Store Sub-Division to ESD office to work site upto a lead of 25 KM.

Carriage of 500 KVA Transformer from A.D. Nagar Store Sub-Division to ESD office to work site upto a lead of 25 KM.

Nitai Saha (BID ID -164708)