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| 1 | M&L for Excavation in trenches in soft/loose soil not exceeding 1.5 mtrwide and not exceeding 1.5 meter in depth for taking out and laying UG cable and getting out, excavated earth, forming bottomsurfaces to required level complete all as specified and directed. |
| 2 | M&L for Returning,filling in, including spreading, leveling, watering and well raming in layers not exc 25 cm. |
| 3 | M&L for Removing excavated soil and depositing to the sides and returning filling in including spreading leveling watering and well ramming in layers n.exc 25cm thick in soft/loose soil after cable is laid complete all as specified. |
| 4 | M&L for providing dry screened river sand as in sand cushioning to under groundcable including punning down of sand by layer complete all as specified and as directed. NOTE: Punned thickness shall be measured and paid. |
| 5 | Supply and lay unreinforced precast cable coverClass LV ,Type I , flat , size 250 X 150 X 40 mm complete all as specified and as directed. |
| 6 | Supply and lay cable XLPEinsulated screened PVC bedded, galvanised steel strip or wire armoured, electric power cable (heavy duty) 1100 volts grade with stranded aluminium conductor of size 300 Sqmm 3.5 core all as specified and directed.Make:- Havells/Polycab/Asian/Nicon/Incab |
| 7 | Supply and fix On Load Automatic change over switch 415 Volts in sheet metal enclosure 4 pole of capacity 630 Amps Make Havells Cat Part NO IHYFCDE630 or equivalent in C&S /L&T . |
| 8 | Material and Labour for 50 mm dia galvanized iron tube light grade for cable protection, supporting to poles, plinth protections, road crossing, trenches, footpath etc including clamps, nut, boil and washers etc complete all as specified and directed |
| 9 | Danger notice plate of 1.6mm thick mild steel sheet, vitreous enamelled white, with letters, figures and conventional skull and bones in signal red colour and fixed with M.S. clamps, bolts and nuts of approved size, for LT, 20x15cm size complete all as specified. |
| 10 | M & L for copper bonded steel earth rode of 3 meter length and 14.2 mm diameter. Auger a hole of dia 3inch and 9 feet depth in the soil, placing the Earth rods in to augured hole,, hammering the rodes to 1 feet depth, removing excavated materials . Make Eroco cat Part No CODE 615800 or tochnocommercially equivalent of SIEMENCE/PENTIRE complete all as specified and as directed the brief features/specifications of CBSE rod is as follows:-a) The outer surface must be molecularly bonded with uniform layer of 250 micron copper, 99.9% pure electrolytic copper coating b) Nickel interface must be provided betwwn the copper steel to avoid the galvanic corrosion c) Must be capable of withstanding fusing current 20 KA 1 sec d) Earth rod must be in compliance with IEC 62305-2, NBC 2010 and IEEE 80e) Tensile strength greater than 80000 PSI on 12mm.f) High resistance to corrossion.g) Material category number shall be listed in UL site.h) Rod shall be tested as per IEC62561 -2 standard compliance with IEC 62305 Standard.i) Manufacturer make, Part No and UL mark should be printed ineach rod. Ground enhancement Material (GEM) per Bag-11.33 ks, Conforming to IEC 62561-7 Standard, Premixing the GEM in to slurry form using water (not more than 5L to 6L per bag) pouring th GEM mixture in the augured hole and filling, make ERICO Cat Part No:GEM 25A -25-1lb or techno-commercially equivalent of SEIMENCE/PENTIRE complete all as specified and directed by Engineer-in-charge. Brief features /specifications of the same is as follows: |
| 11 | a) Must be carbon based super conductive material.b) Resistivity must be less than 2 Ohm cm.c) Must not cause corrossion to copper when contact.d) Must not expand or experience any shrinkage once set.e) Must not dependto the continuous presence of water or moisture or salt to maintain its conductivity.f) Must not decompose or leach out with time.g) Must not contain hazardous chemicals as per IEC 62561-7 Standard.h) Flexuraland posses comprehensive strength as per relevant standard.i)Sulphur content must be less than 2%.j) TCLP test shall be conducted on the material.k) Material shall be inline with IEEE 80 Clause 14.5d.l) Corrossion test shall be conducted on the material under both aggressive conditions.m) Installation instruction and material DATA sheet should be printed in each page.Ready made PVC heavy duty earth chamber (250 mm dia, 260 mm height) with round cover and minimum 5 ton load bearing capacity marking earth resistance value on it painting. M&L for cadweld materials for connections between ground road with CBSE conductor by Exothermic reaction, connection to be made with a semi-permanent graphite mould which shall hold the conductors to be welded. Weld metal must be a mixture of copper oxide and aluminium, should be compliant with IEEE 80-Standards and tested as per IEEE 837-2014 Standard. Make ERICO Cat part no: 150 PLUS F20 or techno-commercially equivalent of SEIMENCE/PENTIRE complete all as specified and directed. |
| 12 | 1 Run of 10mm Copper bonded steel round conductor ,minimum copper bonding shall be 254 microns having continuous coin form ,the conductor core consist of a low-carbon steel gradefor improved flexibility . The copper surface of the conductor should provide high conductivity and corrosion resistance properties . Should not crack to tear when conductor in accordance with the IEC 62305- which shall be tested as per IEC 62561-2-2012 standard , icluding excavation depth 50 cm for laying round conductor , removing excavated material, return filling or fixing with holder , material category part number shall be listed in UL site. Make ERICO Cat part No : CBSC 10 or techno-comercially eqivalent of SEIMENCE/ PENTIRE complete all as specified and directed.a) S&F clamp holder made up of 304 grade SS with SS bolt and nut at every 1 m distance of round conductor. The clamp should be suitable Copper bonded steel round conductor size of 10 mm.Make ERICO or techno-commerciallyequivalent of SEIMENCE/PENTIRE complete all as specified and directed.b) M&L for stainless steel terminal connections to equipment body connections from maitenance free eart pit by mechanical connections using nuts,bolts and all other accessories complete all as required.Make ERICOor techno-commerciallyequivalent of SEIMENCE/PENTIRE complete all as specified and directed.Note: Terminals of existing eart pits shall be cleaned for proper contact with CBSC c) M&L for 250X50X3mm Common bus bar for earth connection with suitable base clamps & insulators,providing \"DD\" universal pattern for 8 Nos of holes for connections Make ERICO or techno-commerciallyequivalent ofDEHN/SEIMENCE complete all as specified and directed. |
| 13 | M&L for 250X50X3mm Common bus bar for earth connection with suitable base clamps & insulators,providing \"DD\" universal pattern for 8 Nos of holes for connections Make ERICO or techno-commerciallyequivalent ofDEHN/SEIMENCE complete all as specified and directed. |
| 14 | Supplying and laying synthetic Rubber insulated mats 2.5mm thick for voltage upto 11 KV for electrical purpose as per IS 15652-2006 , (Superseding IS 5424) suitable for electrical shock safety of sizes2m X 1mcomplete all as specified and directed. |
| 15 | Supplying and laying synthetic Rubber insulated mats 2 mm thick for voltage upto 1.1 KV for electrical purpose as per IS 15652-2006 , (Superseding IS 5424) suitable for electrical shock safety of sizes2m X 1mcomplete all as specified and directed. |
