PPROVN OF HT 11 KV SUPPLY FROM SUB STATION PARADE GROUND TO TECH AREA OF MCC BASANT NAGAR UNDER GE AF FARIDABAD

Amount

Excavation in trenches not exceeding 1.5 m wide and and not exceeding 1.5 m depth in loose/soft soil and getting out complete all as specified and directed.

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

Removal of surplus soil to distance not exceeding 50 m and depositing where directed at a level not exceeding 1.5 m above the starting point, complete all as specified and directed.

M & Labour for sand cushioning with a layer of sand 80mm thick consolidated before laying of cable and 150mm thick consolidated after laying of cable in trenches ducts for electric cable protection including consolidation complete all as specified and directed.

Supplying and laying reinforced precast concrete cable cover,class HV, Type 1, flat, size 300mmx 180mm x 40mm complete all as specified and directed.

Supply, laying and testing of XLPE insulated IS : 7098 (Part-I) 1988 marked, screened, PVC bedded, galvanised steel strip or wire armoured,electric power cables (heavyduty) with aluminium conductor, 11000 volts grade with stranded aluminium conductor of cross sectional area 95 Sqmm, 3 core laid in trenches complete all as specified and directed.

Supply and Installation, testing and commissioning of manufacturer's factory and tested sheet clad/enclosed HT Vaccum circuit breaker (VCB) switchgear,indoor type ,dust and vermin proof ,motorised as well as manually charged ,fully interlocked ,horizontal draw out horizontal isolation type ,floor monuted,11 KV,800 Amp, 3 phase ,50 HZ ,25 KA for 3 sec HT vaccum circuit breaker panel for incomer motor operated spring charged having rupturing capacity 250 MVA conforming to IEC 62271-200, IAC-AFLR-25 KA LSC2B-PM class front accessed with IP4X including adaptor panel fully enclosed consisting of copper busbar/insulator fixed with the existing panel of any make ,capacity &type having follwing specification :-

Vaccum Circuit Breaker (a) 800 A contineous rated electrolytic copper bus bars, drippers and bus bars should be insulated with full system voltage sleeves of reychem or equivalent make. b) 230 V Ac Spring charging motor (c) 24 V DC closing coil (d) 24 V DC Shunt Trip coil (e) Aux Contact : 6 NO+6NC (f) Operating counter (g) Mechanical ON/OFF Push Button (h) Mechanical indicators for ON/OFF (i) Spring charged /Discharged (j) Manual spring Charging Device

Instrumentation Transformer (a) Current transformer indoor single phase resin cast (b) CT Ratio:200-100/5-5A Class 0.5 and 5P10 burden 15VA (c) Potential Transformer Ratio:11 KV/ /3/110V/ /3,100VA ,0.5 Class with 11KV ,3.15 A P.T Fuse links INDICATING METERS (a) Digital ampere Meter Make : Secure/Elmeasure (b) Digital Volt meter Make : Secure/Elmeasure PROTECTION RELAY &ACCESSORIES (a) Numerical relay for Earth fault & over current protection (b) Master Trip Relay (c) Aux Relay for transformer (d) Antipumping Relay (e) Aux Contactor 2No+2NC-24 VDC

INDICATION LAMP & ACCESSORIES (a) Indicating Lamp , 24 V DC Breaker ON : RED Breaker OFF :GREEN Spring Charged : WHITE VCB Trip : AMBER (b) Indicating Lamp R' Phase Healthy - RED Y' Phase Healthy - YELLOW B' Phase Healthy - BLUE (c) MCB Double Pole,10KA and 6A Single Pole 10KA

(d) Breaker Control Switch (TNC) 25 A, Double Pole (e Power Pack 230V AC /24V DC (f) Hooter 24 V DC (g) Strip Heater 100 W,240V AC (h) Thermostate ,0-60 degree celcius,240V AC (i )Emergency Stop Push button 22.5mm OD (j)15 A 240V AC 3 Pin Power Socket with ON-OFF Switch (k) 18 W ,240 v AC Bulb (l) 2 A ,Door Limit Switch for Cubical lamp (m) 10 A ,240 V AC ,Toggle Switch 32 A Neutral Link (n) C.T Terminal End Plate for Above (o) P.T Terminal End Plate for Above

Supply, jointing and testing cable jointing kit for 11 KV (Earthed) grade cable for straight through heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 95 sqmm complete all as specified and directed.

Supply, jointing and testing cable jointing kit for 11 KV (Earthed) grade cable for indoor termination heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 95 sqmm complete all as specified and directed.

M&L for Boring of holes under road, pavement, hard standing by trenchless technology using ultra sounding technique and necessary machine including HDPE pipe of 150 mm dia suitable for 0.4 mpa working pressure complete all as specified and directed.

M&L and fixing in position galvanised iron pipe 80mm dia bore light grade fixed to pole with mild steel clamps of required size or laid through wall/under floor/under road/in trenches complete all as specified and directed.

mayur enterprises

Commercial Traders

Ayushmat Contractors

R. S. Associates

Shiv Enterprises

M/S Anand Enterprises

JAMDAGNI ENGG WORKS