Chinnar 2x12MW Small Hydro Electric Project Power Evacuation Scheme using 110kV 630 mm2 UG Cable to 110kV NRKU Feeder II Supply and installation of 630 mm2 XLPE cable

Supply Part

Supply of 110kV, 630 sq.mm Aluminium cable, XLPE insulated Aluminium corrugation, HDPE outer sheathed single circuit.Cable route length 177.5 x 8 = 1.420 km, for looping 20x8 = 0.160m for climbing 13.5x8=0.108 ( 2 cables as spare) (Say Total-1.7 km)

Supply of out door End Termination kits (dry/flexible) suitable for 110kV 1x630mm2 Aluminium conductor

Supply of single phase link boxes with SVL suitable for 110KV 630mm2 cable

GI earth pipe 50mm outer dia medium grade 3mts long one end tapered, other end with 16mm hole provided with one GI bolt and nut of size 75x16mm

GI earth strip 50x6mm

GI angle 75×75×6 mm

Non magnetic clamps 110 kV UG cables

Supply of out door End Caps suitable for 110kV 1x630mm2 Aluminium conductor

Labour Part

Clearing jungle including rank vegetation, grass, brush wood, trees and saplings of girth up to 30 cm measured at a height of 1 m above ground level and removal of rubbish up to a distance of 50 m outside the periphery of the area cleared without rooting out

Earth work in surface excavation not exceeding 30 cm in depth but exceeding 1.5m in width as well as 10 sqm on plan including disposal of excavated earth up to 50 m and lift up to 1.5 m, disposed soil to be levelled and neatly dressed: All Kinds of soil

Filling available excavated earth (excluding rock) in trenches, plinth, sides of foundations etc. in layers not exceeding 20cm in depth, consolidating each deposited layer by ramming and watering, lead up to 50 m and lift upto 1.5 m.

Providing and fixing 200mm dia PVC pipes(6kgf/cm2) in cable jointing chamber for entry and exit of cables as per direction of Engineer in charge.

Providing and laying in position Cement Concrete 1:4:8 using Cement - 171Kg/m3, 40mm graded stone ( 40 mm-0.65m3 and 20 mm-0.24m3, coarse sand -.47m3) for levelling course for the bottom of foundation trenches including cost of all materials, ramming, compacting, curing etc. complete

Solid concrete block masonry using pre cast solid concretye blocks (Factory made) of size 30x20x15 cm or nearest available size for compound wall in CM 1:6 (1 cement: 6 coarse sand) etc.complete

Plastering with 12 mm thick cement plaster of mix 1:4 using cement 5.47 kg/m2,one coat floated hard and trowelled smooth for inside and out side walls, foundations etc. including cost of scaffolding and labour for watering,curing etc complete.as per the direction of deptl officers at site.

Painting with synthetic enamel paint of approved brand and manufacture to give an even shade: Two or more coats on new work

Supplying and stacking coarse sand conveniently in places available, spreading in the cable trench for forming cushion and cover around the cable including all charges for conveying from storage places including all lead up to 5km from the storage place (average distance), consolidating etc. complete

Forming the surface for the yard and sectioning upto 150 mm

Supplying and laying 3nos.of 200 mm dia PE 100(IS 4984/1995)10kg HDPE pipe with coupling collars etc. in the existing trench already made for looping one circuit 110kV, 3 core cable through pipe for crossing roads,drain channels and bridges as the drawing and specifications.

Supplying and laying 3nos.of 200 mm dia PE 100(IS 4984/1995)10kg HDPE pipe with coupling collars etc. in the existing trench already made for looping one circuit 110kV, 3 core cable through pipe for crossing roads,drain channels and bridges as the drawing and specifications. For 1 run of spare cable (1/3 of item no 19)

Uncoiling and laying 110 kV, single core, 630 sq.mm, Cross-linked polyethylene insulated, corrugated Lead sheathed and HDPE outer jacket under ground cable (3 number of cables for one circuit) in seperate trefoil formation with trifoil clamps with standard spacing as per tender drawing along the already excavated trenches /pipes/built up trench and sand bed formed including all charges for handling, uncoiling and paving of cable in trenches using standard cable installation equipments such as cable pulling winch, rollers etc with design pulling tension and with in bending radius after providing all necessary precautions to be followed as per IEC/IS specifications carefully without damaging the existing pipe lines, cables, water lines etc. and rectifying the damages if any, occured to the existing installations, providing aluminium identification tags of 150x50mm size and 1mm thick embedded with the mark"KSEBL 110kV Cable Circuit1/2 at every 5m interval in each circuit and stacking the balance cable safely, but excluding laying HDPE pipes, providing holes, back filling etc. In steep trench.

Uncoiling and laying 110 kV, single core, 630 sq.mm, Cross-linked polyethylene insulated, corrugated Lead sheathed and HDPE outer jacket under ground cable (3 number of cables for one circuit) in seperate trefoil formation with trifoil clamps with standard spacing as per tender drawing along the already excavated trenches /pipes/built up trench and sand bed formed including all charges for handling, uncoiling and paving of cable in trenches using standard cable installation equipments such as cable pulling winch, rollers etc with design pulling tension and with in bending radius after providing all necessary precautions to be followed as per IEC/IS specifications carefully without damaging the existing pipe lines, cables, water lines etc. and rectifying the damages if any, occured to the existing installations, providing aluminium identification tags of 150x50mm size and 1mm thick embedded with the mark"KSEBL 110kV Cable Circuit1/2 at every 5m interval in each circuit and stacking the balance cable safely, but excluding laying HDPE pipes, providing holes, back filling etc. For Spare cable (1/3 rd of three run) In steep trench.

Installation of outdoor end termination of 110KV UG 630 sq.mm cable and labour charges for assisting, mounting the cable to the cable supporting structure and platform mounted on the tower and giving connection with earth etc. complete as per the direction of departmental officers including Erection of mounting/ supporting structure for110KV Cable end termination, fixing cable using suitable clamp fixtures, connecting earth leads etc. complete as per specification.

Pipe earthing:-Providing earthing in terminal tower as per standard specification by providing 150mm dia bore hole for a depth of 3.6m and placing of GI pipes 50mm dia GI C class 3m long into the bore including cost of 600mm dia RCC collar placing over the earth pipe and tower leg using 7/3.66mm GI earth wire with lugs connecting to the pipe and fixing necessary GI clamp etc including drilling of bore cost of all lead and lifts etc complete.

Testing and commissioning of 110kv, UG cable circuit and OFC as per latest standards including hire charges for testing equipments etc complete.

Testing and commissioning of 110kv, UG cable circuit and OFC as per latest standards including hire charges for testing equipments etc complete. For sapre UG cable 1/3 rd of item 18.

Transportation of 110kV 630 mm2 UG single core cable with drum from the storage place to location at an average distance of 5Km using mobile crane service including all charges for loading, unloading, placing in exact places suitably, returning the balance bit to store etc. complete

Drilling holes in yard structure

Mounting LA on the platform constructed on the tower for the purpose including lifting the same and providing the connection

Uncoiling and Mounting 110KV 630 mm2 UG Cable (3 cables in one circuit) on the tower body using special type clamps, bolt and nut etc. and providing connection.

Fabrication of structures for erecting equipments for cable ladder.

Laying of departmentally supplied GI strip/Copper strip of suitable size including cleaning and neatly bending of strips ,cutting, removing of metal/earth in the yard and burying earth strip to the required depth re-doing the yard metalling as per the direction of the departmental officers.

Welding one end of the bended GI strip of size 50x6mm with the riser of the already laid earth mat, welding 150mm in length, 6mm thick on both sides & end of the strip & other end of the strip with yard structure at 2 points 50mm apart each welding points having 50mm length and 6mm thick on both sides & end of the strip including the charges for connecting the strip with structure using bolted joints as per the directions of the department officers. Charges includes hire charges of DC arc welding set, current charges, cost of low hydrogen content DC arc welding electrodes(No.E7018) cost of anti corrosive paint etc. complete.

Welding overlapping joints of 50x6mm GI strip with 50mm long, 6mm thick welding on all three sides after doing 2 Nos. bolted joints at the centre as specified after cleaning the surface. Charges includes hire charges of DC arc welding set, current charges, cost of low hydrogen content DC arc welding electrodes( No.E7018) cost of anti corrosive paint etc. complete.