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| 1 | Excavation in trenches , not exceeding 1.5 m wide and not exceeding 1.5 m in depth for foundation etc and getting out in soft/loose soil complete all as specified and as directed. |
| 2 | Returning, filling in, including spreading levelling watering and well ramming in layers not exceeding 25 cm as in soft/loose soil complete all as specified and as directed. |
| 3 | Removing excavated soil to a 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 as directed. |
| 4 | M&L for natural river sand as cushioning of cables including spreading and punning down complete all as specified and as directed.Note : Punned thickness shall be measured for payment purpose |
| 5 | Supply , laying, jointing and testing in replacement of underground HT cable XLPE insulated ,screened PVC bedded , galvanised steel strip or wire armoured electric power cables (heavy duty) 11000 Volts grade with stranded aluminium conductor of size 95 Sqmm 3 Core laid in trenches/ducts/along poles/ through pipe under road etc complete all as specified and as directed. |
| 6 | S&F Cable jointing kit for 11 KV (Earthed) grade cable for outdoor termination cold shrinkable 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 as directed. |
| 7 | Supply and laying un-reinforced precast concrete cable cover class HVP type 2 with peak size 450 mm x 180 mm x 40 mm complete all as specified and as directed. |
| 8 | M&L 80 mm bore galvanised iron pipe, light grade 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 and as directed. |
| 9 | Supply and laying sub class 'B' bricks old size designation 75 as in cable protection complete all as specified and directed. |
| 10 | Boring of holes under road, pavement, hard standing by trenchless technology using ultra sounding technique and necessary machine of dia 150mm complete all as specified and as directed. |
| 11 | Supply , installations , testing & commissioning of 11 KV of rating 630 Amp RMU unit outdoor type (IP-54) protection duly painted(Paint shade in painted Alu Zn/RAL 7032 on sheet steel for door and covers), VCB type I RMU( RING Main unit) three way comprising of two numbers insulated load break switch as outgoing and one number Vacuum Circuit Breaker as incoming inside . RMU should be provided with Copper Bus bar , one number fault passage indicator with each incoming and outgoing mechanism for interlocking arrangements for powered relay complete with all accessories as under.(a) RMU type installation Outdoor Extensible type, arc proof as per IEC : 62271-200 for design Manufacturing and testing . The RMU must have the following features/specification:- INCOMER :- VCB should have following specification :- (i) Rated Voltage upto -12KV (ii) Rated power frequency withstand voltage -28KV(iii) Rated lighting impulse withstand voltage –should be minimum 125KVP (iv) Rate d current for ring main feeder -630A (v) Rated current for VCB feeder -630A (vi) Rated short-time current-21 KA/3 Sec(vii) Rate Short making current -50KA (viii) Ambient temperature (-1 degree Celsius to +45degree Celsius), (ix) Degree of protection against accidental contact and ingress of foreign objects must be assured as under:- (aa) Main electric circuits : IP-67(ab) Fuse compartment IP3X (ac) Operating mechanism –IPXC ,(ad) Cable connection compartment-IPXC with site replaceable cable bushing . |
| 12 | (xi) Each vacuum circuit Breaker includes : (aa) Manual VCB with position ON-OFF manual spring charging mechanism with in built spring charging handle mechanically latched ON/OFF push buttons (ab) Manual line disconnector with three position switches ON-OFF–EARTH, (ac) Auxiliary switches 6 NO + 6NC with wiring , (ad) IDMT Numerical relay for Over current and earth fault protection , (ae) Three phase definite time over current and short-circuit protection with variable tripping times (ANSI 50/51) 3 Phase over Current protection with selectable inverse time characteristics and definite time short-circuit current element (ANSI20/51) definite (af) Capacitive Voltage indicator (ag) Padlocking facility (ah) Dedicated CTs for protection,((xii) Operating handle -1 number (xii) Right angled Cable boots -3x sets (xiv) Capacitor (xv) Any other standard accessories required for efficient operation of RMU as per OEM recommendations. Please Enable Macros to View BoQ information |
| 13 | (xi) Each vacuum circuit Breaker includes : (aa) Manual VCB with position ON-OFF manual spring charging mechanism with in built spring charging handle mechanically latched ON/OFF push buttons (ab) Manual line disconnector with three position switches ON-OFF–EARTH, (ac) Auxiliary switches 6 NO + 6NC with wiring , (ad) IDMT Numerical relay for Over current and earth fault protection , (ae) Three phase definite time over current and short-circuit protection with variable tripping times (ANSI 50/51) 3 Phase over Current protection with selectable inverse time characteristics and definite time short-circuit current element (ANSI20/51) definite (af) Capacitive Voltage indicator (ag) Padlocking facility (ah) Dedicated CTs for protection,((xii) Operating handle -1 number (xii) Right angled Cable boots -3x sets (xiv) Capacitor (xv) Any other standard accessories required for efficient operation of RMU as per OEM recommendations. Please Enable Macros to View BoQ information |
