SPECIAL REPAIR AND UPGRADATION OF ELECTRIC SUPPLY SYSTEM WITH CONNECTED WORKS AT MIRAN SAHIB UNDER GE JAMMU

Amount

Supply, installation, testing and commissioning transformer step down outdoor type copper wound, oil cooled IP-43 plinth mounted power coated capacity 400KVA complete with standard fitted HT 11 KV 3 Phase LT 433 V3 phase 4 wire, 50 C/S oil immersed naturally cooled externally cooling tube delta connection on primary HT 11 KVA side and star connection on secondary LT 433 V with tapping at +/-2.5% to +/-5% & +/-7.5% on HV side and to be charged by means of hand operated off load/lap changing gear including firest fitting and accessories such as LT box at LT side, cilica gel, brather, oil level indicator,consrvator tank with oil level indicator, drain out valve (oil tank), exhaust vent, air release valve, temp gauge and cast iron wheel etc complete level-2 as per IS-1180(Part-1):2014, complete all as specified and directed. Note.1. Installation of transformer along with complete standard fittings is also included in the unit rate quoted.

Supply and laying and testing cable XLPE insulated heavy duty 11000volts grade screened PVC bedded galvanised steel strip or wire armoured electric power cables flat or circular with stranded aluminum conductor of 3 core 95 sqmm size served laid in trenches,duct,through pipe line in floor on poles including jointing and testing complete all as specified and directed by Engineer in charge.

S&F cable jointing kit for 11 KV (Earthed) grade cable for outdoor termination heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 95 sqmm to 120 sqmm complete all as specified and directed.

Supply and fixing in replacement switch air break gang operated triple pole mechanically operated from ground level, mounted on insulators and steel frame (12 insulator type) outdoor type suitable for vertical installation single break provided with locking arrangement consisting of MS channel, HT post top insulator with drop out fuses operating rod 25mm bore GI pipe medium grade confirming to relevant IS, current rating 400 Amp and voltage 11 KV including jumpering, lead of wire/cable as directed at site including taking down old/ unserviceable switch.

S&F in replacement of lightning arresters expulsion type complete with all fittings, transmission class, discharge capacity 65 kilo amp suitable for 11 KV all as specified and directed.

S&F in replacement aluminium lugs/thimble of size 70 to 400 sqmm complete all as specified and directed by Engineer in charge.

Earthing complete with galvanized steel earth plate electrode 600x600x6mm thick buried directly in ground earth pit not less than 2.25mtr deep below normal ground level with top edge of the plate not less than 1.5 mtr below ground level connected to galvanized iron strip 25mm x 4mm size by mean of nut/bolt and washer of galvanized iron or steel as shown in electrical plate no 5 of SSR part I including necessary excavation and earth work in any type of soil, returning filling and removal of surplus spoil to a distance n_exc 50m, GI pipe 20mm bore light grade for watering and GI 15mm bore light grade pipe for protection of GI earth wire etc, PCC chamber with RCC cover in cement concrete 1:2:4 Type B1(20mm graded aggregate), funnel, wire mesh, charcoal dust, salt layers each layer thickness should be 15 cm (layer start from below the electrode plate to above plate) etc, connected to LT panel board as indicated including testing complete all as specified and as directed.

Earthing complete with galvanized steel earth plate electrode 600x600x6mm thick buried directly in ground earth pit not less than 2.25mtr deep below normal ground level with top edge of the plate not less than 1.5 mtr below ground level connected to galvanized iron or steel earth lead wire 4mm dia size by mean of nut/bolt and washer of galvanized iron or steel as shown in electrical plate no 5 of SSR part I including necessary excavation and earth work in any type of soil, returning filling and removal of surplus spoil to a distance n_exc 50m, GI pipe 20mm bore light grade for watering and GI 15mm bore light grade pipe for protection of GI earth wire etc, PCC chamber with RCC cover in cement concrete 1:2:4 Type B1(20mm graded aggregate), funnel, wire mesh, charcoal dust, salt layers each layer thickness should be 15 cm (layer start from below the electrode plate to above plate) etc, connected to LT panel board as indicated including testing complete all as specified and as directed.

Insulation rubber mating of size 1 mtrX 2mtr X 19mm thick 11000 volt grade leak proof conforming to ISI complete all as specified and as directed.

PCC Plateform for outdoor transformer having capacity 400 KVA of size 3000X2500X1500 mm including providing 100 cm working space comlete all around the transformer made out from sub class 'B'bricks complete with stair case and including filling morum/ Bajari/stone aggrigate 63mm upto top edge inside the transformer plateform complete all as specified shown on drawing and directed by Engr-in-Charge including considering the following:- (i) Transformer fencing of expended wire mesh metal weight not less than 4 Kg/sq mtr cut to shape upto 1.20 mtr height complete with angle iron size 40X40X3mm thick fix at interval of 1 mtr each having length 1.2 mtr above the plateform and 0.3 mtr inside the brick work,flat iron 20mmX3mm thick for wire mesh complete with nut, bot, washers and Provn of enterance gate of suitable size of per site requirement complete with two coat of smoke gray part over a coat of red oxide primer. Contd to Srl Item No 10.01

(ii) PCC 1:2:4 type B-1,using 20mm aggregate 80mm thick upto all around the transformer plateform complete with excavation and earth work, returning filling of soil and removal of surplus spoil to a distance of n_exc 50m including filling of morum/bajari/stone against 63 mm thick below PCC complete all as specified and directed by Engineer in charge.

Supply, installation, testing and commissioning replacement of LT panel of suitable size for 3 Phase 415 volt , outdoor weather proof vermin proof duly powder coated double door with back and front opening made out from 3.0 mm thick CRCA sheet with angle iron base frame of size 50x50 x6 mm cubical type complete with aluminium bus bar 800 Amp 4 way with proper color coding complete with PVC insulator, with IP 54 as per IS 13947 protection, fault rating 50 KA/1Sec, complete with following items including :-

MCCB 4 Pole, current rating 630 Amp, with adjustable thermal magnetic setting 70%-100% breaking capacity 50KA at 415V,50Hz, - 01 No as incomer

MCCB 4 Pole, current rating 250 Amp, with adjustable thermal magnetic setting 70%-100% breaking capacity 36kA at 415V,50Hz, - 01 No as outgoing

MCCB 4 Pole, current rating 160 Amp, with adjustable thermal magnetic setting 70%-100% breaking capacity 25kA at 415V,50Hz, - 03 Nos. as outgoing(one spare)

MCCB 4 Pole, current rating 32 Amp, with adjustable thermal magnetic setting 70%-100% breaking capacity 16kA at 415V,50Hz, - 01 No as outgoing

Digital Ammeter 0-315 Amp with suitable CTs and selctor switch-01 No

Indicator lamps (LED type) showing R,Y,B phases - 01 Set

internal panel wiring with suitable multistranded copper conductor PVC insulted and seathed FRLS complete with copper thimble/lugs complete all as specified and directed by Engineer in charge.

Angle iron base frame as reqd size as per above panel, total leg height 600 mm and grouting in side PCC 150 mm legs and made out of ISA5050, 50 x 50 x 6 mm thick angle iron duly painted - 01 No.

Necessary excavation and foundation in PCC 1:3:6 (40 mm graded aggregate) Type C2 for foundation of angle iron legs frame work complete all as specified and directed by Engineer in charge.

Supply, installation, testing and commissioning replacement of LT panel of suitable size for 3 Phase 415 volt , outdoor weather proof vermin proof duly powder coated double door with back and front opening made out from 3.0 mm thick CRCA sheet with angle iron base frame of size 50x50 x6 mm cubical type complete with aluminium bus bar 400 Amp 4 way with proper color coding complete with PVC insulator, with IP 54 as per IS 13947 protection, fault rating 50 KA/1Sec, complete with following items including :-

MCCB 4 Pole, current rating 250 Amp, thermal setting adjustable 70%-100% breaking capacity 50kA at 415V,50Hz, 01 No as incomer

MCCB 4 Pole, current rating 160 Amp, thermal setting adjustable 70%-100% breaking capacity 36kA at 415V,50Hz, 01 No as out going

MCCB 4 Pole, current rating 100 Amp, thermal setting adjustable 70%-100% breaking capacity 16kA at 415V,50Hz, 02 Nos as out going(one spare)

Indicator lamps (LED type) showing R,Y,B phases - 01 Set

Angle iron base frame as reqd size as per above panel, total leg height 600 mm and grouting in side PCC 150 mm legs and made out of ISA5050, 50 x 50 x 6 mm thick angle iron duly painted - 01 No.

Necessary excavation and as reqd PCC 1:3:6 (40 mm graded aggregate) Type C2 for foundation of angle iron legs frame work complete all as specified and directed by Engineer in charge.

Internal panel wiring with suitable multistranded copper conductor PVC insulted and seathed FRLS complete all as specified and directed by Engineer in charge. with copper thimble/lugs

Excavation in trenches not exceeding 1.5 M wide and not exceeding 1.5 M in depth and getting out in soft/loose soil or hard/dense soil for taking up or laying of cable all as specified and directed.

All as per srl item No-13 above but depth exceeding 1.5 m and not exc 3.0 m complete all as specified .

Returning, filling in including spreading, levelling, watering and well ramming in layers not exceeding 25 cms complete all as specified and directed by Engineer in charge.

Removing excavated material not exceeding 50 M and depositing where directed at a level not exceeding 1.5 M above starting point complete all as specified and directed by Engineer in charge.

Supply and laying unreinforced precast concrete cable cover, class HV, type 1 flat size 300 mm x 180 mm x 40 mm complete all as specified and directed by Engineer in charge.

Supply and laying Sub class 'B' common burnt bricks well burnt laid with length perpendicular to the axis of the cable in trenches for protection to cable complete all as specified and directed by Engineer in charge.

Supply and laying dry river sand laid in trenches as cable cushioning and covering all as directed.Sand cushioning to under ground electric cable 8cm before laying and 15cm after laying the cable intrenches all as specified and directed

Stay assembly with accessories and GI stay rod 16 mm dia 1900 mm long, stay wire 7/4 mm stranded galvanised including mild steel stay plate 300 mm x 300 mm x 6 mm and galvanised thimble, galvanised steel 14 mm dia 400 mm long stay bow and GI nuts, washers including loop type insulator vitreous porcelain white, brown or green big size withoverall dimensions 90 mm x 140 mm clearance of hole 25.5 mm complete all as specified and shown in electrical plate No 01 of SSR Part - I including taking down old unserviceable stay assembly complete all as specified and directed by Engineer in charge. NOTE :-(Excavation, stay clamps and concrete work etc will be measured and paid separately).

PCC 1:3:6 type C1 using 20mm graded stone aggregate for coping of pole and stay assembly complete all as directed

PCC 1:3:6 type C2 using 40mm graded stone aggregate for stay assembly complete all as directed

XLPE insulated, armoured heavy duty electric cable with aluminium conductor, 1100 volts grade, cross-sectional area 70 Sq mm, 3.5 core, complete all as specified and directed by Engr-in-Charge.

XLPE insulated, armoured heavy duty electric cable with aluminium conductor, 1100 volts grade, cross-sectional area 185 Sq mm, 3.5 core, complete all as specified and directed by Engr-in-Charge.

XLPE insulated, armoured heavy duty electric cable with aluminium conductor, 1100 volts grade, cross-sectional area 400 Sq mm, 3.5 core, complete all as specified and directed by Engr-in-Charge.

M/S INDERPAL SINGH

SUMEET TRADING CORPORATION

G.M. ENGINEERING SERVICES

vishesh engineers

Dn construction and co