CA NO. CWE SGNR - 84 OF 2020-21 PROVISION OF 150 KVA TRANSFORMER FOR ELECTRIC SUPPLY TO CENTRAL AMENITY CENTRE AT MILITARY STATION FARIDKOT

Amount

Material and labour for HT 11 KV outdoor type gang operated air break switch Triple pole (Polymer type), mechanically operated, mounted on insulator and steel frame, with operating mechanism worked from ground level, for current rating upto 400 amps suitable for horizontal or vertical mounting complete with GI operating rod of suitable length complete with locking arrangement MS clamps, bolts and nuts and washers etc including drop out expulsion type of fuses with fuses barrels of required capacity to suit load at site including two coats of aluminum paint over a coat of red oxide primer on MS work complete all specified and directed by Engineer-in-Charge.

S & F HT 11000 KV pole mounting with polymeric insulator complete with all fittings transmission class nominal discharge current upto 65 KA including removing the defective one complete all as specified and directed by Engineer-in-Charge.

M & L Cable jointing kit for 11 KV (Earthed) grade cable for outdoor end termination complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 120 Sqmm complete all specified and directed by Engineer-in-Charge.

Material & Labour for Earthing complete with galvanised steel earth plate electrode 60×60cm.× 6mm thick, buried directly in ground (earth pit not less than 2.25 metres deep below ground level) with top edge of the plate not less than 1.5 metres below normal ground level, connected to earthing test pointGI strip 32x6mm (up to the body of equipment ) by means of GI bolts, nuts, check nuts and washers of galvanised iron or steel operated by 40 mm bore GI light grade pipe. Earth plate shall be surrounded by alternate layer of charcoal or coke and common salt 15 cm thick all around bottom and top. 20 mm bore GI light grade pipe for watering and including funnel, wire mesh, RCC cover & frame, PCC (1:3:6) type C2 (using 20 mm graded crushed stone aggregate) as in earthing pit including necessary excavation and earth work all as specified and shown in electrical plate No. 3 of MES schedule Part-I. Note : The unit rate includes earthing lead & protection pipe upto 7.5 metre from top of earth plate all as specified including testing on completion Earthing of machinery/equipment Installed at power house/substation, complete all specified and directed by Engineer-in-Charge.

Supply & installation, commissioning and testing transformer copper wound transformer step up/ step down, indoor/outdoor type AC complete with standard fittings, HT 11 KV 3 Phase, LT 433 volts, 3 Phase, 4 wire with off load tappings on HT side to vary secondary voltage within limit, all as per IS:2026 of capacity upto 200 KVA naturally cooled with external cooling tubes, core type delta connected on pprimary (HV side) and star connected on secondary (LV side) having taping +2.5, 5, 7.5% to be varied by a manually operated off load tap changing gear including first filling of oil, all fitting and asscessories and mounting all as specified. The transformer shall have HT bushing on high voltage side and LT bushing and LT cable end box on low voltage side with neutral brought out side for earth connection including complete foundation for transformer complete all as specified and directed by Engineer-in-Charge.

Supply, laying, jointing testing and commissioning of XLPE insulated, screened, PVC bedded, galvanised steel strip or wire armoured, electric power cable (heavy duty) with multistranded aluminum conductors, 11 KV grade of cross-sectional area 120 Sqmm, 3 core, IS 7098 marked, suitable for HT 11 KV(E) system , laid in trenches / ducts / encased in GI pipe / fixed to pole complete all as specified and directed by Engineer-in-Charge.

Supplying and laying or fixing, jointing and testing LT under ground electric power cable crossed linked polyethylene ( XLPE) insulated, galvanised steel strip or wire armoured, ISI-7098 Marked, with aluminium conductor multi stranded , heavy duty 1100 Volts grade of size 16 sqmm cross sectional area, 4 core, complete all as specified laid in trenches, open air, existing duct, wall, floors , under road, hard standing , pole etc as per ground condition and including MS Clamps, nuts , bolts, washers complete all as specified and directed by Engineer-in-Charge. Note :- Excavation, earth work, sand cushioning, bricks protection/ cable cover/ block and pipe shall be measured and paid separately under appropriate items.

All as per Item No 7 of 25 Sqmm 4 core complete all as specified and directed by Engineer-in-Charge.

All as per Item No 7 of size 50 Sqmm 3.5 core complete all as specified and directed by Engineer-in-Charge.

All as per Item No 7 of size 70 Sqmm 3.5 core complete all as specified and directed by Engineer-in-Charge.

All as per Item No 7 of size 150 Sqmm 3.5 core complete all as specified and directed by Engineer-in-Charge.

All as per Item No 7 of size 185 Sqmm 3.5 core complete all as specified and directed by Engineer-in-Charge.

Excavating in trenches, not exceeding 1.5 m wide and not exceeding 1.5 m in depth for laying of cables, pipes etc. and getting out including trimming the sides and forming bottom surfaces to required levels in soft/loose soil complete all as specified and directed and making good disturbed surfaces complete all as specified and directed by Engineer-in-Charge.

Returning, filling in, including spreading, levelling, and well ramming in layer not exceeding 25 cm thick in soft/loose soil complete all as specified and directed by Engineer-in-Charge.

Removing excavated material (soils) not exceeding 50m and depositing where directed at a level not exceeding 1.5 m above the starting point complete all as specified and directed by Engineer-in-Charge.

Material and labour for river sand, washed and screened dry for cushioning to under ground cable in trenches below and around under ground cable including spreading and levelling complete all as specified and directed by Engineer-in-Charge.

M&L laying well burnt old size bricks, sub class "B" bricks, straight or curved on plan , laid flat with width equal to length of brick , laid dry over electric cable for protection complete all as specified and directed by Engineer-in-Charge.

Boring/Drilling ( horizontally) manually under existing road ( maximum 10 M in width) suitable for passing GI tubing of 40 to 100 mm bore complete all as specified and directed by Engineer-in-Charge.

Supply and fix GI pipe 100 mm bore light grade for protection of cable including provision of clamps, nuts, bolts etc required for fixing pipe along pole / wall / laid under the road / laid under the floor or in trenches complete all as specified and directred by Engineer-in-Charge.

Supplying and fixing Galvanised mild steel pipe /tubing, of size 40 mm bore dia, light grade complete with all fittings, laid in trenches / under roads, drain, paths, fixed to poles/ walls with Mild steel clamps , bolts , nuts and washers complete all as specified of following bore and as directed. (Excavation & Earth work , Mild steel clamps, bolts , nuts and washers shall be measured and paid separately) complete all as specified and directred by Engineer-in-Charge.

All as per Srl item No. 20 here-in-before but of size 50 mm bore dia complete all as specified and directred by Engineer-in-Charge.

S & F MCB distribution board double Door of sheet metal TPN 6 way with 415 Volts complete with and including MCCB 63 Amps,16KA complete all as specified and directred by Engineer-in-Charge.

S&F MCB SPN 40 amps 230V 'C' Series 16 KA complete all as specified and directed by Engr-in-Charge.

M&L for Sub main wiring with two single core PVC FRLS insulated stranded copper conductor cable of size 10 Sqmm and PVC insulated FRLS-copper wire 10 sqmm for continuous earth wire drawn into existing/ new concealed conduit complete all as specified and directred by Engineer-in-Charge.

Supply, installation, testing and commissioning out door type cubical panel board outer shell made out of 3.15 mm thick MS sheet and inner shell made out of 1.6 mm thick MS sheet and MS angle section 50x50x6 mm on PCC 1:2:4 type B-1 platform 40 cm above the ground level and 45 cm below the ground level, frame factory fabricated with front and back openable double door system lockable/openable by Keys having chromium plated 19 mm dia fancy lock, louvers and air vent gasket for natural flow of air “U” type gasket shall be used to make the outer shell completely vermin proof .suitable for 3 phase 4 wire 415 Volt, 50 Hz, tested at CPRI for 35 MVA rupturing capacity at 415 Volts factory fabricated having modern fabrication and testing process which includes seven tank pretreatment process comprising of degreasing, rinsing, de-rusting, rinsing, phosphatising, rinsing and passivation followed by powder coat painting having thickness not less than 100 microns provided with suitable gasket to make it dust/vermin proof and general construction confirming to IS:8623/93. The TPN busbar shall be insulated with colour coaded heat shrinkable sleeve and shall be mounted on suitable size "F" class insulator at an interval not more than 250 mm through out the length of theTPN busbar. The cubicle incomer MCCB as well as outgoing shall have aluminium TPN extension links of current carrying capacity not less than 1.5 times the rated capacity of individual feeder. The extension links shall not be less than 300mm long supported on suitable size "F" class insulator. All inter connections between the main busbar as well as outgoing feeder shaal be carried out with TPN aluminium busbar of rating not less than 1.5 times rated capacity of individual outgoing feedrs & should be insulated with heat shrinkable PVC sleeves comprising of the following:-

Singla Electricals