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| 1 | Supply and layingLT UGXLPE insulated screened PVC bedded, galvanised steel strip or wire armoured, electric power cable (heavy duty) 1100 volt grade with stranded aluminium conductor of size 120 sqmm 3.5 core, ISI marked complete all asspecified and directed. |
| 2 | Excavation in trenches n.exc 1.5 mtr in depth and not exceeding 1.5 mtr wide for laying of cable/pipe etc and getting out in any type of soil complete all as specified and directed. |
| 3 | Returning filling in trenches including spreading levelling watering and well ramming in layers n.exc 25 cm thick each layer as in soil complete all as specified and directed.. |
| 4 | Removing excavated materials n.exc 50 mtr depositing where directed at a level n.exc 1.5 m above the starting point complete all as specified and directed. |
| 5 | Supply & laying of HDPEDWC pipe ISI mark of outer dia 110 mm polythylene with smooth internal and profiled external surface for non pressure under ground cable icluding coupler and bends etc complete all as specified and directed by Engineer-in-ChargeMake :Supreme / Infra / Astral/Prince |
| 6 | Supply, installation, testing and commissioning of outdoor transformer including all connections, of ACthree phase , 50 HZ, 160KVA, LEVEL II capacity transformer step down, out door type 11000/433 Volt (at No Load) copper wound, oil immersed, naturally cooled with external cooling tubes, core type delta connected on primary (HV) side and star connected on secondary (LV) side in accordance with vector symbol DYN-11/vector group-4) with neutral brought on secondary (LV ) Side & having tapping in equal steps of 2.5% from (+) 5% to (-) 7.5% on primary side by means of hand operated off load tap change /correct LT voltage on secondary side including provision of all necessary, standard fittings mainly comprising of following notes specified in BoQ item no 7.01 and7.02: |
| 7 | Supply, installation, testing and commissioning of outdoor transformer including all connection, of ACthree phase, 50 HZ,315 KVA, LEVEL IIcapacity transformer step down, out door type 11000/433Volt (at No Load) copper wound, oil immersed, naturally cooled with external cooling tubes, core type delta connected on primary (HV) side and star connected on secondary (LV) side in accordance with vector symbol DYN-11/vector group-4) with neutral brought on secondary (LV ) Side & having tapping in equal steps of 2.5% from (+) 5% to (-) 7.5% on primary side by means of hand operated off load tap change /correct LT voltage on secondary side including provision of all necessary, standard fittings mainly comprising of following notes specified in BoQ item no 7.01 and7.02: |
| 8 | Note for item no 6 and 7(a) One cable box on primary HV side having cable glands suitable for 3 core 150 sqmm XLPE 11 KV HT Cable consisting of 03 nos of porcelain HT bushing with brass/gun metal bushing rods complete with nuts and washers.(b) One cable box on secondary (LV) side consisting of 04 Nos porcelain bushing with GM bushing rods complete with GM nuts and washers with one no of cable gland suitable for reception of out going LT PVC sheathed armoured cables of size 3.5 Core 150 sqmm.(c ) Oil conservator with filter type, drain valve and oil level gauge.(d) Dehydrating breather with first fill of dehydrating agent.(e ) Explosive Vents(f) Thermometer pocket on tank cover.(g) One No 100mm dia dial type thermometer vapour pressure type having range 0-120 degree centigrade with temp reading pointer, max temp indicator and resetting device.(h) Rating plate with terminal markings.(j) Two earthing terminals on tank/tank cover to facilitate fixing of 32x6mm GI Earth strip. |
| 9 | (k) Oil Level gauge.(l) Oil Drain and filter valve (m) Oil filter hole with cap/plug with connections complete.(n) Lifting Lugs(o) Air Relief valve plug(p) Four plain solid cast steel detachable rollers.(q) First fill of fresh oil conforming to relevant IS and tested upto 40 KV dielectric strength.(r) Extra bushing for neutral outside the LT cable box for providing independant earthing for neutral.(s) Provision of 02 Nos of danger notice board 250x200mm size made out of 1.6 mm thick MS Plate, vitreous enamelled white with letters, figures in Marathi, Hindi and English of voltage and conventional skull and bones in signal red colour, one at HT side and other on LT side .(t) Any other fittings /accessories so as to conform the whole transformer to IS-2026.(u) Buccholz Relay.(v) Note : Shifting of dismentalling of Make of Transformers: Voltamp, Urja Techniqus, Mahati |
| 10 | S&F of HT 11 KV out door non-linear type lightning arrestor with mountings, accessories complete fixed on cross arms of two pole structure /GI flat strip and connect with same size of ACSR conductor encased in PVC alkathine pipe with all fittings connected to earth strip with nuts, bolts and washers, transmission class having discharge capacity of 65 KA and rupturing capacity 5 KVA and suitable for working pressure 9 KV RMS compelete including taking down old lightning arrestor including dismantling existing one complete all as specified and as directed. |
| 11 | S&F in replcement ofvertical type air break switch, gang operated, tripple pole, mechnically operated, outdoor type, with all fittings and accessories mounted on andincluding HT 11 KV porcelain insulators and steel channel frame, GI operating rod 25 mm dia of suitable length to worked from ground, including locking arrangements , suitable for 11000 volts, 400 Amps current ratingincluding dismantling existing one complete all as specified and as directed. |
| 12 | S&F drop out fuse unit, expulsion type for out door air break gang oprated switch, single pole mounted on and including insulators for 11 KV working pressure fixed to and including MS channel with nuts, bolts and washer etc synthetic bounded fuse tube complete with line capcity suitable for current carrying capacity upto 100 Amps all as directed including taking down old one complete all as specified and as directed |
| 13 | M&L for earthing complete with galvanized steel earth plate electrode of size 60cm X 60 cm X 6 mm buried directly in ground (earth pit not less than 2.25m deep below the normal ground level) with top edge of plate not less than 1.5 m below the normal ground level connected to GI earth strip 32 X 6 mmas earth lead by means of bolts, nuts, check nuts and washers of galvanized iron or steel, protected by GI pipe light grade 40mm bore all as shown on electrical plate No 3 of SSR Part-I connected to earth test point electrode, PCC pit with RCC cover, funnel with wire mesh, watering pipe 20mm dia protection pipe etc and testing on completion complete all as specified and directed.Note No 1 :-The unit rate shall also include for earth work in hard/dense soil, PCC (1:3:6) type C1 chamber, RCC 1:2:4 type B-1 cover 50 mm thick reinforced with 8 mm dia TMT bar @ 150 mm c/c both ways, funnel with watering pipe 20 mm dia medium grade, GI protection pipe light grade 40 mm dia and wire mesh complete in addition to item No 1 (a) to (e) of preamble (Notes) under sub-heading earthing, specified on SerialPage No 389 of SSR Part –I.Note No 2 :-Earthing strip and GI protection pipe beyond 7.5 m will be measured and paid separately if required(iii)PCC pit shall be provided at least 500 mm away from the pit and not on the earth pit itself. |
| 14 | Dismantling the existingstep down transformerof anycapacityfrom site and depositing to AGE E/M Yard with the help of crane including disconnecting all connections complete all as specified and directed. |