SPECIAL REPAIR RELACEMENT TO LT CABLE AND ALLIED WORKS AT AF STATION MEMAURA

Amount

Taking up old LT UG cable of size 50 Sqmm 3.5 core, complete all as specified and as directed

Taking up old LT UG cable of size 70-95 Sqmm 3.5 core, complete all as specified and as directed

Taking up old LT UG cable of size 120 Sqmm 3.5 core, complete all as specified and as directed

Taking up old LT UG cable of size 185 Sqmm 3.5 core, complete all as specified and as directed

Taking up old LT UG cable of size 240 Sqmm 3.5 core, complete all as specified and as directed

Excavation in trenches n. exc 1.5 m wide and n.exc 1.5 m in depth and getting out soft /loose soil complete all as specified and as directed for laying of under ground cable/pipe etc. complete all as specified and as directed

Returning, filling in, including spreading, leveling, watering and well ramming in layers n. exc 25 cm thick in soft/loose soil, complete, all as specified and directed.

Removing surplus excavated material to a distance not exc 50 meter and depositing where directed at level not exc 1.5m above the starting point, complete, all as specified and directed.

Material and labour for providing sand cushioning with dry fine sand including filling, spreading, levelling in layers in cable trench with approved quality of sand for protection of under ground cable complete all as specified and directed.

Supplying & laying kiln burnt clay bricks, sub class 'B' designation 75, old size, laid in trenches for LT cable protection, complete all as specified and directed.

Laying only serviceable bricks obtained from taking up of old UG cable laid flat dry in trenches with width of the bricks to the axis of cable for LT cable protection, complete all as specified and directed.

M&L for Boring of holes horizontally under road/pavement/hard standing/ footpath/blast wall without damaging the surface of road (minimum 1.0 meter below the road surface) with the help of GI tubing not exc.100mm bore for passing of U/G cable, complete all as specified and directed. Note: GI pipe laid will be measured and paid separately under the respective items of schedule.

M&L for 100mm bore GI tubing light grade with all fittings laid across road or across PCC drains, along electric pole or floor/wall for cable protection complete all as specified and directed.

M&L for 50 mm bore GI tubing light grade with all fittings laid across road or across PCC drains, along electric pole or floor/wall for cable protection complete all as specified and directed.

Supply, laying and testing of LT cable 1100 volt grade XLPE insulated underground electric cable PVC bedded and sheathed steel wire/strip armoured aluminum stranded conductor of size 240 Sqmm 3.5 core complete all as specified and directed.

Supply, laying and testing of LT cable 1100 volt grade XLPE insulated underground electric cable PVC bedded and sheathed steel wire/strip armoured aluminum stranded conductor of size 185 Sqmm 3.5 core complete all as specified and directed.

Supply, laying and testing of LT cable 1100 volt grade XLPE insulated underground electric cable PVC bedded and sheathed steel wire/strip armoured aluminum stranded conductor of size 120 Sqmm 3.5 core complete all as specified and directed.

Supply, laying and testing of LT cable 1100 volt grade XLPE insulated underground electric cable PVC bedded and sheathed steel wire/strip armoured aluminum stranded conductor of size 95 Sqmm 3.5 core complete all as specified and directed.

Supply, laying and testing of LT cable 1100 volt grade XLPE insulated underground electric cable PVC bedded and sheathed steel wire/strip armoured aluminum stranded conductor of size 70 Sqmm 3.5 core complete all as specified and directed.

Supply, laying and testing of LT cable 1100 volt grade XLPE insulated underground electric cable PVC bedded and sheathed steel wire/strip armoured aluminum stranded conductor of size 50 Sqmm 3.5 core complete all as specified and directed.

Relaying and testing of serviceable under ground LT cable of size 50 Sqmm 3.5/4 core, complete all as specified and directed. (Note:- Serviceable cable obtained from taking up of old existing UG cable here-in-before shall be reused)

Relaying and testing of serviceable under ground LT cable of size 70-95 Sqmm 3.5/4 core, complete all as specified and directed. (Note:- Serviceable cable obtained from taking up of old existing UG cable here-in-before shall be reused)

Relaying and testing of serviceable under ground LT cable of size 120 Sqmm 3.5 core, complete all as specified and directed. (Note:- Serviceable cable obtained from taking up of old existing UG cable here-in-before shall be reused)

Relaying and testing of serviceable under ground LT cable of size 185 Sqmm 3.5 core, complete all as specified and directed. (Note:- Serviceable cable obtained from taking up of old existing UG cable here-in-before shall be reused)

Relaying and testing of serviceable under ground LT cable of size 240 Sqmm 3.5 core, complete all as specified and directed. (Note:- Serviceable cable obtained from taking up of old existing UG cable here-in-before shall be reused)

S&F Cable jointing kit for 1100 Volts (Earthed) grade cable for straight through heat shrinkable type joint complete with jointing material and accessories suitable for 3.5 core XLPE armoured aluminium conductor LT cable of size 50 sqmm, including taking out old joint complete all as specified and directed. (Make :- M-seal/Cab Seal/3M)

S&F Cable jointing kit for 1100 Volts (Earthed) grade cable for straight through heat shrinkable type joint complete with jointing material and accessories suitable for 3.5 core XLPE armoured aluminium conductor LT cable of size 70-95 sqmm, including taking out old joint complete all as specified and directed. (Make :- M-seal/Cab Seal/3M)

S&F Cable jointing kit for 1100 Volts (Earthed) grade cable for straight through heat shrinkable type joint complete with jointing material and accessories suitable for 3.5 core XLPE armoured aluminium conductor LT cable of size 120-150 sqmm, including taking out old joint complete all as specified and directed. (Make :- M-seal/Cab Seal/3M)

S&F Cable jointing kit for 1100 Volts (Earthed) grade cable for straight through heat shrinkable type joint complete with jointing material and accessories suitable for 3.5 core XLPE armoured aluminium conductor LT cable of size 185-240 sqmm, including taking out old joint complete all as specified and directed. (Make :- M-seal/Cab Seal/3M)

M&L UG cable route/ path indicator for 1100 volts grade cable, made out of angle iron 35x35x4mm thick 0.50 mtr high from the ground level and cast iron round plate of 150mm dia, 8mm thick fixed on top duly engraved "LT UG CABLE" including grouting in PCC block 1:3:6 type C-1of size 0.30x0.30x0.30 mtr complete all as specified and directed.

Taking down old US LT Feeder Pillar box/Bus bar Chamber off size, complete all as directed.

Supply, install, testing and commissioning of outdoor type LT bus bar chamber CPRI type tested and conforming to IS/IEC 61439 1&2, rated fault of 65 KA for 1 sec with internal arc containment of size 0.90 m X 0.75 m X 0.45 m suitable for 3 phase 4 wire 415 Volt, 50 Hz having 160 Amps MCCB, 4 pole, 25KA, 415 volts 50 Hz and 4 aluminium bus bar of suitable size and of capacity 250 Amp factory fabricated in an approved factory having modern fabrication process powder coated in approved shade having thickness not less than 100 microns provided with suitable gasket to make it dust /vermin proof. The outer shell shall be made out of 3.15mm thick CRCA Sheet and MS angle section 50x50x6mm frame, factory fabricated with front and back openable double door system locable / openable by keys from both side, fancy lock , louvers and air vent gasket for natural flow of air. The bottom of the outer shell contains a ditachable plate having provn for entry of armoured cable of size minimum 400 sqmm with glands. The dimension of the shell should be adequate to accomodate inner shell described below giving minimum 75 mm space all round. Provision of threaded earthing stud at bottom & lifting lugs of suitable size at top to lift the panel safely shall be made. The degree of protection of outer shell shall be IP-54 including embedded in PCC 1:3:6 type C-2 as per manufacturer's instruction complete all as specified and directed. Make- Shalabh India Industries Roorkee/Indo Asian/Power System and Control Jalandhar/REW Constn Pvt Ltd or equivalent moder in list of makrs mentioned.

Supply, install, testing and commissioning of outdoor type LT bus bar chamber CPRI type tested and conforming to IS/IEC 61439 1&2, rated fault of 65 KA for 1 sec with internal arc containment of size 0.75 m X 0.60 m X 0.45 m suitable for 3 phase 4 wire 415 Volt, 50 Hz having 100 Amps MCCB, 4 pole, 25KA, 415 volts 50 Hz and 4 aluminium bus bar of suitable size and of capacity 250 Amp factory fabricated in an approved factory having modern fabrication process powder coated in approved shade having thickness not less than 100 microns provided with suitable gasket to make it dust /vermin proof. The outer shell shall be made out of 3.15mm thick CRCA Sheet and MS angle section 50x50x6mm frame, factory fabricated with front and back openable double door system locable / openable by keys from both side, fancy lock , louvers and air vent gasket for natural flow of air. The bottom of the outer shell contains a ditachable plate having provn for entry of armoured cable of size minimum 400 sqmm with glands. The dimension of the shell should be adequate to accomodate inner shell described below giving minimum 75 mm space all round. Provision of threaded earthing stud at bottom & lifting lugs of suitable size at top to lift the panel safely shall be made. The degree of protection of outer shell shall be IP-54 including embedded in PCC 1:3:6 type C-2 as per manufacturer's instruction complete all as specified and directed. Make- Shalabh India Industries Roorkee/Indo Asian/Power System and Control Jalandhar/REW Constn Pvt Ltd or equivalent moder in list of makrs mentioned.

Supply , Installation , commissioning and testing of outdoor type cubical LT feeder pillar box CPRI approved tested and conforming to to IS/IEC 61439 1&2, rated fault of 65 KA for 1 sec with internal arc containment of size 1200MM x 900MM x 600MM , suitable for 415 Volts, 50 Hz , 3 phase, 4 wire supply floor mounted , factory made , dust and vermin proof comprising of the following:- (a) OUTER SHELL: The outer shell shall be made out of 50mm X 50mm X6mm angle iron frame and 3.15 mm thick MS CRCA sheet with front hinged opening double door , rubber lining , locking arrangement, having modern fabrication process powder coated in approved shade having thickness not less than 100 microns on all steel surfaces. The cubical shall have a bottom detachable pre drilled gland plate having provision for entry of armoured cable of adequate size with glands, Provision of earthing bar & lifting lugs of suitable size at top to lift the panel safely complete embedded in PCC 1:3:6 type C-2 as per manufacturer's instruction. The degree of protection of outer shell shall be IP-54. (b) INNER SHELL: Inner shell shall be made out of 2.0 mm thick MS CRCA sheet duly compartmentalized for each control gears, front & back openable single door system by keys. It shall be able to accomodate incomer/outgoing MCCBs and TPN copper busbar of rating not less than 1.5 times the rated capacity of the incomer MCCB. TPN copper bus bar shall be insulated with colour coded heat shrinkable sleeve and shall be mounted on suitable size 'F' class insulators. The degree of protection of inner shell shall be IP-43 and comprising the following items:-

Supply , Installation , commissioning and testing of outdoor type cubical LT feeder pillar box CPRI approved tested and conforming to to IS/IEC 61439 1&2, rated fault of 65 KA for 1 sec with internal arc containment of size 1200MM x 900MM x 600MM , suitable for 415 Volts, 50 Hz , 3 phase, 4 wire supply floor mounted , factory made , dust and vermin proof comprising of the following:- (a) OUTER SHELL: The outer shell shall be made out of 50mm X 50mm X6mm angle iron frame and 3.15 mm thick MS CRCA sheet with front hinged opening double door , rubber lining , locking arrangement, having modern fabrication process powder coated in approved shade having thickness not less than 100 microns on all steel surfaces. The cubical shall have a bottom detachable pre drilled gland plate having provision for entry of armoured cable of adequate size with glands, Provision of earthing bar & lifting lugs of suitable size at top to lift the panel safely complete embedded in PCC 1:3:6 type C-2 as per manufacturer's instruction. The degree of protection of outer shell shall be IP-54. (b) INNER SHELL: Inner shell shall be made out of 2.0 mm thick MS CRCA sheet duly compartmentalized for each control gears, front & back openable single door system by keys. It shall be able to accomodate incomer/outgoing MCCBs and TPN copper busbar of rating not less than 1.5 times the rated capacity of the incomer MCCB. TPN copper bus bar shall be insulated with colour coded heat shrinkable sleeve and shall be mounted on suitable size 'F' class insulators. The degree of protection of inner shell shall be IP-43 and comprising the following items:-

M&L in replacement earthing complete with Galvanised steel earth plate electrode 600x600x6.00 mm thick, burried directly in ground vertically to a depth not less than 2.25 mtr deep below GL with top edge of the plate not less than 1.5 mtr below normal GL and connected to earth plate . Earth plate surrounded by 15 cm thick packed layers of charcoal/coke and common salt upto 0.90 meter depth all around the earth plate and connected to earth lead of GI strip 25x4 mm by means of bolts, nuts, check nuts and washers of GI or steel and thimbles and other end of the earth wire connected to LT Panel/Bus Bar Chamber and protected by galvanized iron or steel pipe light grade 40 mm bore and water pipe 20 mm bore GI medium grade with funnel and wire mesh, including all necessary excavation and earth work PCC chamber in cement concrete 1:3:6 type C-2 and RCC cover and all as shown in electrical plate No 3 of MES schedule Pt I of 2009 complete all as specified and directed. Note : 1. RCC pit cover shall be pre-cast of RCC (1:2:4) type B-I , 50mm thick reinforced with XPM weighting not less than 4 KG/sqmm in lieu of CI cover. 2. Charcoal/coke and common salt upto 0.90 meter depth shall be filled in layers of 15 centimeters all around the earth plate. 3. On testing after completion of earthing if desired earth resistance is not achieved , the earthing will be redone at no extra cost to obtain the desired earth values.

M/S KAUSHIK CONSTRUCTION

Unnati Engineers

Leo Air and Power Solution pvt Ltd.

Shree Kanth Technologies