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| 1 | Excavating in trenches, n exc 1.5 m wide and n exc 1.5 m in depth; for foundation, etc. or for shafts, wells, cesspits, manholes, pier holes, etc. nexc 10 sq m on plan and n exc 1.5 m in depth and getting out Soft/diseintegrated soil,Complete all as specified and directed by Engr-in-charge. |
| 2 | Returning ,fillling in trenches,spreading ,levelling,watering and well ramming in layers not exceeding 25cm thick,Complete all as specified and directed by Engr-in-charge. |
| 3 | Removingexcavated material/ surplus soil and depositing where directed at a distence not exceeding 50mtr.at a level not exceeding 1.5 mtr from strting point,Complete all as specified and directed by Engr-in-charge. |
| 4 | Supply lay/spread in trenches, river sand ,clean ,including spreading ,levelling ,punning for laying /cushioning of cables,Complete all as specified and directed by Engr-in-charge. |
| 5 | Supply lay in replacement in trenches fly ash bricks, old size sub class “B” for cable protection,Complete all as specified and directed by Engr-in-charge. |
| 6 | Taking down of any type of cable of any size,Complete all as specified and directed by Engr-in-charge. |
| 7 | Supply, lay cable in trenches, floors ,fix on wall/pole, passing through pipes etc.,LT UG cable , 1100 volts grade, PVC/ XLPE insulated , with multistrandedaluminium conductors, armoured with galvanised steel wire or tape , of following nominal cross sections, confirming to IS specifications:- |
| 8 | 3.5Core 50 Sq.mm |
| 9 | 3.5 core 35 sq mm |
| 10 | 3.5 core 25 sq mm |
| 11 | 3.5 core 16 sq mm |
| 12 | 3.5 core 70 sq mm |
| 13 | Supply and fix 50 mm bore dia on pole / wall or lay in trenches under road / drain crossings etc., for drawing cables, GI pipe light grade , ISI marked ,offollowing sizes including necessery pipe ,fittings ,clamps, bolts , nuts etc., all as specified and as directed :- |
| 14 | M & L for cutting exisitng bitumenous road surfaces not more than 150 mm thick, removing for laying of pipes/cables, making good with PCC 1:3:6 type C1 20 mm graded aggregate to match with the adjustant surface. Note Excavation and earth work below 150 mm thick will be measured and paid under relevent items.(pcc will be measured and paid sepretly) |
| 15 | Taking down of any type of LT/ Bus bar panelof any size and any type as specified and directed by engineer in charge. |
| 16 | Supply, installing, testing and commissioning factory made LT ( 415 Volts, 50 Hz , 3-phase, 4 wire supply ) CPRI approved, factory assembled LT Panel Outdoor type, platform mounted, suitable for 415 Volts 3 Phase and neutral, 4 wire, 50Hz AC supply system having bus bar chamber with insulated Aluminium bus bars of 240 Amps rating installed on DMC insulators with bus bar chamber. The panel shall be dust and vermin proof, ingress protection class ( IP-54 ) and made of 3.15 mm thick CRCA mild steel sheet and mild steel, Angle iron frame work made out of 40 X 40 X 5 mm ), front and rear opening type with proper ferrule & cable gland, internal wiring with PVC insulated multistranded copper conductor FR wire of adequate size but not less than 1.5 sqmm complete. All steel metal works including frame shall be with anticorrosive coating with seven tank process and finally epoxy polyester powder coating of Siemens grey shade 7035. embedded in ground with and including bocks of PCC 1:2:4 type B1 of block size 30x30x30 cm comprising of the following:- |
| 17 | BUS BAR CHAMBER :- (a) 240 Amps 4 Strips Aluminium conductor, with color coded heat shrinkable sleave and shall be mounted on non hygroscopic, non combustible, track resistant, high strength DMC material, interconnection of all incomings & outgoings.INCOMING SUPPLY :-(i) MCCB 160 Amps 25 KA 4 Pole with Adjustable thermal & fixed magnetic release 415 volts , 50Hz,=01 No., Make of MCCB:- L&T/ Siemens / Legrand/ Havells.INSTRUMENT FEEDER :- (a)Digital Volt Meter, 96X96mm, flush type rated 0-500 V, with Volt meter selector switch- 01 Set. (b) Digital Amp Meter, 96X96mm, flush type rated 0-200 A, with Amp meter Selector switch- 01 Set.(c) C.T\"s 200/5 A CL 1.0 Tape Wound- 01 Set. (Set of three)(d) Red, Yellow, Green Phase indicating Lights LED type 220 V AC- 1 Set. (Set of three).(e) Protection MCB 6 A SP C Series- 1 Set. (Set of three). Make of Metering Accessories :-L&T/ AE/ Trinity/ Schneider. |
| 18 | OUTGOING SUPPLY :- (i) MCCB 63 Amps 16 KA 4 Pole with Adjustable thermal & fixed magnetic release 415 volts , 50Hz,=05 Nos., Make of MCCB:- L&T/ Siemens / Legrand/ Havells. The panel manufacturer should have following Govt. Approved Certificates: 1. Panel should be according to IEC-61439. CPRI Certification Degree of Protection IP-54(IS/IEC : 61439 (Part-1), 2011& IS/IEC : 61439 (Part-2) 2011)2. Tempreature Rise (IS/IEC : 61439-1, 2011 & IS/IEC : 61439-2 2011)3. CPRI Short Circuit IEC-61439-1 & 2 withstand strenght should be 70kArms for 1.0 Sec with intial peak of 154kApk4. CPRI Certification IEC-61439-1 & 2 Rated current for short circuit not less than 6300 A with rated insulation voltage 660V5. ISO 9001 CERTIFIED |
| 19 | Supply, installing, testing and commissioning factory made LT ( 415 Volts, 50 Hz , 3-phase, 4 wire supply ) CPRI approved, factory assembled LT Panel Outdoor type, platform mounted, suitable for 415 Volts 3 Phase and neutral, 4 wire, 50Hz AC supply system having bus bar chamber with insulated Aluminium bus bars of 450 Amps rating installed on DMC insulators with bus bar chamber. The panel shall be dust and vermin proof, ingress protection class ( IP-54 ) and made of 3.15 mm thick CRCA mild steel sheet and mild steel, Angle iron frame work made out of 40 X 40 X 5 mm ), front and rear opening type with proper ferrule & cable gland, internal wiring with PVC insulated multistranded copper conductor FR wire of adequate size but not less than 1.5 sqmm complete. All steel metal works including frame shall be with anticorrosive coating with seven tank process and finally epoxy polyester powder coating of Siemens grey shade 7035. embedded in ground with and including bocks of PCC 1:2:4 type B1 of block size 30x30x30 cm comprising of the following:- |
| 20 | BUS BAR CHAMBER :- (a) 450 Amps 4 Strips Aluminium conductor, with color coded heat shrinkable sleave and shall be mounted on non hygroscopic, non combustible, track resistant, high strength DMC material, interconnection of all incomings & outgoings.INCOMING SUPPLY :-(i) MCCB 300 Amps 36 KA 4 Pole with Adjustable thermal & fixed magnetic release 415 volts , 50Hz,=01 No., Make of MCCB:- L&T/ Siemens / Legrand/ Havells.INSTRUMENT FEEDER :- (a)Digital Volt Meter, 96X96mm, flush type rated 0-500 V, with Volt meter selector switch- 01 Set. (b) Digital Amp Meter, 96X96mm, flush type rated 0-300 A, with Amp meter Selector switch- 01 Set.(c) C.T\"s 300/5 A CL 1.0 Tape Wound- 01 Set. (Set of three)(d) Red, Yellow, Green Phase indicating Lights LED type 220 V AC- 1 Set. (Set of three).(e) Protection MCB 6 A SP C Series- 1 Set. (Set of three). Make of Metering Accessories :-L&T/ AE/ Trinity/ Schneider. |
| 21 | OUTGOING SUPPLY :- (i) MCCB 100 Amps 16 KA 4 Pole with Adjustable thermal & fixed magnetic release 415 volts , 50Hz,=03 Nos., (ii) MCCB 63 Amps 16 KA 4 Pole with Adjustable thermal & fixed magnetic release 415 volts , 50Hz,=03 Nos., Make of MCCB:- L&T/ Siemens / Legrand/ Havells. The panel manufacturer should have following Govt. Approved Certificates: 1. Panel should be according to IEC-61439. CPRI Certification Degree of Protection IP-54(IS/IEC : 61439 (Part-1), 2011& IS/IEC : 61439 (Part-2) 2011)2. Tempreature Rise (IS/IEC : 61439-1, 2011 & IS/IEC : 61439-2 2011)3. CPRI Short Circuit IEC-61439-1 & 2 withstand strenght should be 70kArms for 1.0 Sec with intial peak of 154kApk4. CPRI Certification IEC-61439-1 & 2 Rated current for short circuit not less than 6300 A with rated insulation voltage 660V5. ISO 9001 CERTIFIED |
| 22 | M&L Electrical Earthing complete with GI plate Electrode of size 60 Cm X 60 Cm X 6.3 mm thick burried directly inground vertically at a depth not less than 2.25 mtr. below normal ground level, with top edge of earth plate at a depth not less than 1.5 mtr. below normal ground level , connected to Aluminum strip of size 25 X 3 mmearth leadby means of bolts,nuts and washers of galvanised iron , earth lead strip protected by means of 32 mm bore dia light grade GI pipe up to switch board / panel board , all as specified and shown in MES schedule Electrical Plate No:-5 of SSR Part I, including excavation and earth work in any type of siol , PCC 1 : 2 : 4 type C1 in chamber , RCC 1:2:4 type C1 40 mmthick cover slab with 6 mm dia MS bars at 100 mm centre to centre both ways,with 6 mm dia MS hook, Charcoaldust, salt , funnel for watering complete and testing the Earth resistence and writing on the chamber by paint all as specified and as directed. |
