Provision of dedicated HT Power supply from CMM Power house to Air force station UNDER GE (East) JABALPUR

Amount

Supply and laying or fixing or passing in trenches/ on pole/ through pipes, 11000 volts grade XLPE insulated, screened PVC bedded, galvanised steel strip or wire armoured, heavy duty electric cable with stranded aluminium conductor of cross section area 95 sqmm, 3core including jointing materials such as cable glands & lugs etc and testing on completion complete all as directed.

Excavating in trenches, not exceeding 1.5m wide and not exceeding 1.5m in depth for foundation, for laying of pipe, cable etc or n. exc.10 Sqm on plan and n. exc. 1.5m in depth for shafts, cesspits, manholes, pier holes, etc and getting out in any type of soil complete all as specified and directed.

Returning, filling in excavated approved soil, including spreading, levelling, watering and well ramming in layers not exceeding 25cm each complete all as specified and directed.

Removing excavated soil not exceeding 50m and depositing where directed at a level not exceeding 1.5m above the starting point complete all as specified and directed.

Supply and spreading clean and dry fine sand free from sharp materials (unwashed) laying in trenches around the cable for cushioning in trenches, laid to a uniform thickness of 23cm (15cm under the cable & 8cm over the cable) and gently punned down to 18cm thickness complete all as specified and as directed.

Supply and laying un-reinforced precast concrete cable cover, class HVP, type1 , Flat, size 300mmx180mmx40mm laid in trenches for underground cable complete all as specified and directed.

M&L for Cable jointing kit for 11 KV (Earthed) grade cable for indoor termination cold shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 50 sqmm to 95 sqmm complete all as specified & directed.

M&L for Cable jointing kit for 11 KV (Earthed) grade cable for outdoor termination cold shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 50 sqmm to 95 sqmm complete all as specified & directed.

M&L for Cable jointing kit for 11 KV (Earthed) grade cable for straight through cold shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 50 sqmm to 95 sqmm. complete all as specified & directed.

Supply and fixing of new switch air break gang operated triple pole mechanically operated horizontal type out door with all other fittings/ accessories mounted on & including porcelain insulators and steel frame with operating mechanism worked from ground level with & including operating rod of 25mm dia GI pipe medium grade (ISI marked) with MS handle with locking arrangement, for current rating up to 200 Amp 11000 Volts including dropout fuse set 12 insulators to suit gang operated triple pole 11 KV switch, connecting, commissioning and testing on completion complete all as specified and directed.

M&L Anti-climbing device; spikes type fabricated out of M.S. bars (round, square and flat) including nuts, bolts, washers and welding in two halves made to shape to suit the cross section of the pole complete all as specified & directed.

M&L for new lightning arrestor expulsion type complete with all fittings, transmision/ distribution class 65 KA, conforming to IS-3070 (Part-III) 1993 suitable for 11 KV system and mounting on poles including all necessary bolts, nuts and washers and making electric connection after taking out the old unserviceable lightning arrestor and testing on completion complete all as specified and directed.

M&L for Prestressed concrete pole, 11.00 metres long. 152mm x 152mm at top and 152mm x 260mm at bottom, class 9 complete all as specified & directed.

M&L for earthing complete with galvansided steel earth plate electrode 600x600x6.0mm thick directly burried in the ground (earth pit not less than 2.25M deep below ground level) with top edge of earth plate not less than 1.50M deep below normal ground level, connected to galvanised iron wire 4mm by means of bolts, nuts, check nuts and washers of galvanised iron or steel, 15mm bore GI pipe medium grade including necessary fittings for protection of earthing wire, watering pipe 20mm bore GI medium grade, concrete chamber in PCC (1:4:8) type D-2 using 40 mm grade aggregate, coping shall be in PCC (1:3:6) type C-1 using 20 mm grade aggregate and internal surfaces of concrete chamber shall be given 12mm thick plaster in CM (1:4), funnel with wire gauge of 22 gauge (0.63 mm) 8 mesh per linear incl 50mm thick cover of RCC (1:2:4) type B-1 using 20mm grade stone aggregate reinforced with 8mm MS deformed bar @ 75 mm C/C both ways, char coal dust and common salt all as shown in electrical plate No. 3 of SSR Part-I (2009) including all necessary excavation & earth work and removal of surplus soil to a distance n. exc 50M and providing connection points with MS/ GI bolts & washers as required and connection from earth test point to earth electrode with same GI earth wire alongwith protection pipe and testing on completion complete all as specified and directed. Note:- GI wire and protection pipe from earth electrode to test point max upto 7.50M shall be deemed to be included in the unit rates as quoted by the contractor.

M&L for earthing complete with galvansided steel earth plate electrode 600x600x6.0mm thick directly burried in the ground (earth pit not less than 2.25M deep below ground level) with top edge of earth plate not less than 1.50M deep below normal ground level, connected to GI earth strip of size 32x6 mm as earthing lead by means of bolts, nuts, check nuts and washers of galvanised iron or steel, 15mm bore GI pipe medium grade including necessary fittings for protection of earthing wire, watering pipe 20mm bore GI medium grade, concrete chamber in PCC (1:4:8) type D-2 using 40 mm grade aggregate, coping shall be in PCC (1:3:6) type C-1 using 20 mm grade aggregate and internal surfaces of concrete chamber shall be given 12mm thick plaster in CM (1:4), funnel with wire gauge of 22 gauge (0.63 mm) 8 mesh per linear including 50mm thick cover of RCC (1:2:4) type B-1 using 20mm grade stone aggregate reinforced with 8mm MS deformed bar @ 75 mm C/C both ways, char coal dust and common salt all as shown in electrical plate No. 3 of SSR Part-I (2009) including all necessary excavation & earth work and removal of surplus soil to a distance n. exc 50M and providing connection points with MS/ GI bolts & washers as required and connection from earth test point to earth electrode with same GI earth wire alongwith protection pipe and testing on completion complete all as specified and directed. Note:- GI strip and protection pipe from earth electrode to test point max upto 7.50M shall be deemed to be included in the unit rates as quoted by the contractor.

Supplying and fixing/ laying of 80 mm bore dia GI pipe light grade in trenches/ under roads/ along pole/ wall including all necessary fittings & clamps made out of 25x3mm flat iron as required complete all as specified and directed.

Drilling (Horizontally) to existing road (maximum 10M wide) suitable for passing 100mm bore HDPE pipe heavy duty as required at site complete all as specified and directed. Note:- (i) All necessary T&P required at site for drilling shall be arranged by contractor at his own cost and quoted rate shall be deemed to be included for all these provisions and nothing extra shall be paid on this account. (ii) Unit rate quoted against this item is deemed to be inclusive of cost of 100mm bore HDPE pipe, heavy duty, as required at site

Supply, installation, testing and commissioning of HT 11KV VCB Panel, outdoor type, made out of 3.15 mm thick CRCA sheet, dust and vermin proof, locking arrangement, duly powder coated, totally enclosed, free standing floor mounting type, compartment based with truck mounted Vacuum Circuit Breaker(VCB) spring operated electrically and manually charged operating mechanism suitable for horizontal isolation, horizontal draw out type VCB with aluminium bus bars, back entry type complete VCB panel conforming to IS and IP 4X Class of protection, comprising necessary bus bar extensions and connections and following protective and control devices as specified below. The VCB shall be tested for High voltage test, all routine tests shall be performed after erection before commissioning and the rate for the same is deemed to be included in quoted unit rate. .

(a) 11KV, 3 pole Outdoor type vaccum Circuit Breaker : (i) Rated Voltage- 12KV, Operating Coil Voltage - 24VDC, Spring Motor - 230 Volt, Rated Current- 400A, Short Circuit Current- 25 KA, Frequency - 50 Hz. (b) Resin Cast current Transformer with ratio 150-75/5+5+1 and following characteristics : core 1- 15 VA class- 1.0, core 2-15 VA class 5P10, core 3- class PS, burden depending upon knee voltage as per IS 2705 part IV- set of 3 (three)- 01 Job (c) Draw out type Potential Transformer suitable to 11 KV indoor VCB, 11000/ /3/110/ /3, 100 VA accuracy class 1.00 with primary and secondary protection = 01 set (d) Control & Relay Panel for VCB operation Auto & Manual : (i) Fabrication in MS Sheet of 1.6mm, OC & EF Relay. (ii) 24 VDC Auxiliary Relay. (iii) TNC Switch, (iv) digital Multifunctional Meter. (e) Battery 12 Volt 65 Ah. .

Supply, Installation, testing and Commissioning CPRI APPROVED factory fabricated, outdoor type, LT FEEDER PILLAR BOX of size not less then 2 m width x 1 m height x 0.5 m depth, made out of 3.15 mm thick CRCA Sheet with projected globe roof for rain water protection, Dust and Vermin Proof, Double door with both side opening including Neoprene Rubber Gasket, suitable for 440 Volt 3 Phase 4 Wire System, including Danger Plate, Earthing Strip Point an Ventilation Louvers at Rear side, Bottom detachable Gland Plate Complete with suitable size Zinc Chromium Plated Nuts, Bolts and Washers, etc and embedded with 50x50x6mm Mild Steel Angle Iron Frame and 750 mm above the Normal Ground Level complete with internal connection with suitable size of cable, cable lugs and cable glands, PCC Foundation in Cement Concrete 1:3:6 (20 mm graded Stone Aggregate) and Testing after Installation complete all as specified and comprising of the followings:- (a) Aluminium bus bar 400 Amps - 01 Set (b) MCCB 250 Amps, 4 pole 36 KA, Adjustable thermal & fixed magnetic setting (Incoming) - 01 No. (c) MCCB 125 Amps, 4 pole 25 KA, Adjustable thermal & fixed magnetic setting (Outgoing) - 01 No. (d) MCCB 100 Amps, 4 pole 25 KA, Adjustable thermal & fixed magnetic setting (Outgoing) - 01 No. (e) 3 Phase LED Digital Ammeter Class 1.0 (f) 3 Phase LED Digital Voltmeter Class 1.0 (g) Indicator Lamp -03 Nos

Supply, installation, testing and commissioning of copper wound (double wound), step down transformer of capacity 63 KVA (Level-2), plinth/ floor mounted, OUT DOOR TYPE and conforming to IS 1180:2014, AC 3 phase 50 Hz, ONAN with external cooling tubes/ radiators, having no load voltage ratio 11/0.433 KV corresponding to principal tapping, delta connected primary side (11KV HV side) and star connected on secondery side (433V LV side) in accordence with vector symbol Dyn-11 (Vector Group), manual type off load tap changing facility on HT side to vary secondary voltage from minus 7.5% to plus 7.5% in steps of 2.5%, continuous rating of capacity 63 KVA including bushing on HT end & cable box on LT side. The transformer shall be complete with all standard fittings and accessories, gauges, first fill of tranformer oil as per IS-335, ISI marked duly filtered & dehydrated etc. Transformer shall be mounted on and including suitable platform of approx size 2.0Mx 2.0Mx 1.0M high (outer dimension) built with 150mm thick PCC 1:5:10 type E2 using 40mm graded stone aggregate as in foundation extending 150mm on both sides of wall, 350mm thick of brick masonary built in CM 1:6 using old size sub class 'B' bricks, brick masonary shall be 450mm below GL & 550mm above GL, exposed faces of brick work up to 15cm below normal ground level shall be plastered in CM 1:4 & flush in same mortar as the work proceeds on faces in contact with soil, floor shall be 100mm thick with PCC 1:2:4 type B-1 using 20mm garded stone aggregate, laid in bays over & including 100mm thick hardcore over approved earth filling, exposed plastered surfaces shall be given three coats of white wash including necessary excavation and earth work complete all as specified and directed. The unit rate of transfarmer shall also includes the cost of following accessories/ fittings :-

(a) One cable box on primary (HV) side having cable glands suitable for OH conductor (consisting of 3 Nos porcelain HT bushings with brass/ gun metal bushing rods complete with nuts and washers). (b) One cable box on secondary (LV) side consisting of 4 Nos porcelain bushing with GM bushing rods complete with GM nuts, and washers with one No. cable gland suitable for reception of outgoing LT armoured cables of suitable size. (c) Oil conservator tank with filter type, drain valve and oil level gauge. (d) Dehydrating breather with first fill of dehydrating agent. (e) Themometer pocket on tank cover. (f) One No. 100mm dia dial type thermometer vapour pressure type having range 0-1200 C with temp reading pointer, max temprature indicator and resetting device. (g) Rating plate with terminal markings.

(h) Two earthing terminals on tank/ tank cover to facilitate fixing of 32x6mm GI earth strip. (j) Oil level gauge. (k) Oil drain and filter valves. (l) Oil filter hole with cap/plug with connections complete. (m) Lifting lugs. (n) Air relief valve plug. (o) Plain solid cast steel detachable rollers - 04 Nos. (p) First fill of fresh transformer oil conforming to revevant IS and tested upto 50 KV dielectric strength upto top of core. (q) Extra bushing for neutal outside the LT cable box for providing independent earthing for neutral. (r) Provision of 2 Nos danger boards 250x200mm size made out of 1.6 mm thich MS plate, vitreous enameled white, with letters, figures of voltage and conventional skull and bones in signal red colour, one at HT side and other on LT side. (s) Any other fittings/ accessories so as to confirm the whole transformer to IS-1180 (Part-I) : 2014. (t) Base channel 100x50mm of suitable length duly fixed on platform/ plinth including making locking arrangement. (u) Inspection Cover

C L BHATIA (BID ID -3114407)

MONA GENERATOR SEVICES PVT. LTD. (BID ID -3116063)