CWE/AF AMB/HAL-59/2020-21 SPECIAL REPAIRS/REPLACEMENT OF CTs UNIT FOR 66 KV AND CONVERSION OF HT/LT LINES TO UG CABLES AT NP AREA AT AF STN HALWARA UNDER GE (AF) HALWARA

Amount

Supply, installation, commissioning and testing of distribution transformer step down, 11 KV(primary side)/433(secondary side) volt as per IS-1180-2014 (Level- II), outdoor type, copper wound, suitable for AC, three phase, 4 wire, 50 Hz system of capacity 630 KVA, oil immersed having Vector group DYN-11, no load voltage ratio- 11/0.433 KV, temperature rise in oil 45 degree centrigrade & in winding 55 degree centigrade, Oil Natural Air Natural (ONAN) cooled with and including first filling of transformer oil, delta connection on HT side, star connection on LT side, manually, operated, off-load tap changer on HT side to vary secondary voltage to + 7.5% & -7.5% in three steps & above of 2.5% each, cable end box at HT & LT side, LT side cable box shall also be fitted with suitable size of cable glands for making connections with all the accessories as per clause 19.14.1.2 of SSR Part-I and the under mentioned fittings complete all as specified and directed:-

(a) Rating plate and terminal marking plate. (b) Two earthing terminal for body earthing and two additional for neutral brought out on a bushing. (c) Lifting lugs. (d) Drain valve with plug or cover plate. (e) Dehydrating breather. (f) Oil level indicator with minimum and maximum marking. (g) Cooling radiator. (h) Thermometer pocket. (j) Conservator. (k) Oil filling hole with cover. (l) Thermometer 100mm dial/stem type with metal guard having maximum temperature indication with resetting. (m) Silica gel breather duly filled with silica Gel. (n) Plain breathing device which would not permit ingress of rain water & incsects. (o) High voltage / low voltage bushing with box. (p) Control cable for connection of buchholtz relay as per manufacturer's recommendation. (q) Any other fittings as recommended by the manufacturer of efficient functioning of the transformer.

Notes:- (i) The cost of platform/foundation as per manufacturer’s recommendation shall be included in the quoted rates and the drawing of the foundation shall be got approved by GE before construction. (ii) The transformer shall be of latest star rated and energy conservation (Energy conservation Binary Corps) for which necessary test certificate of manufacturer shall be produced by the contractor. (iii) Transformer manufacturer shall be in possession of licence from bureau of Indian standard. (iv) The fitting & accessories of the transformer shall be conforming to is 3639 : 1996. (v) The transformer shall be tested as per IS for all routine tests in the factory premises in the presence of rep of Accepting Officer on the receipt of request from the contractor in addition to routine tests . The transformer shall be tested for 10% over load at factory premises for minimum 01 hour after full load cycle of 08 hours. (vi) The Transformer shall be tested by SEI/EI/AEI beore commissing. (vii) All necessary arrangements i.e. co-ordination with the manufacturer & testing officer, arranging equipments and material to facilitate testing at the manufacture’s premises etc. shall be borne by the contractor.

Dismantling of ACSR conductors from overhead lines complete all as specified & directed.

Dismantling insulators any type, any size complete all as specified & directed.

Dismantling cross-arms of M.S. channel or angle sections etc. complete and setting aside for reuse with in 50 mtr complete all as specified & directed.

Dismantling stay assembly embedded in concrete and removing materials from site of work complete all as specified & directed.

Dismantling of old unserviceable service connection cable complete all as specified & directed.

Dismantling concrete poles/ struts, any size and transporting setting aside for reuse within 50 mtr including making good the disturbed surfaces complete all as specified & directed.

Dismantling of existing GI earth wire of any size complete all as specified & directed.

Supply, laying, jointing, testing and commissioning LT XLPE electric cable, 1100 Volts grade, heavy duty, PVC insulated and sheathed armoured electric power cable with stranded aluminium conductor, of cross sectional area 300 sqmm 3.5 core conforming to IS- 7098 (Part I) 1988 as in trenches or along the wall/pole through pipe etc, complete all as specified and directed.

Supply, laying, jointing, testing and commissioning LT XLPE electric cable, 1100 Volts grade, heavy duty, PVC insulated and sheathed armoured electric power cable with stranded aluminium conductor, of cross sectional area 240 sqmm 3.5 core conforming to IS- 7098 (Part I) 1988 as in trenches or along the wall/pole through pipe etc, complete all as specified and directed.

Supply, laying, jointing, testing and commissioning LT XLPE electric cable, 1100 Volts grade, heavy duty, PVC insulated and sheathed armoured electric power cable with stranded aluminium conductor, of cross sectional area 185 sqmm 3.5 core conforming to IS- 7098 (Part I) 1988 as in trenches or along the wall/pole through pipe etc, complete all as specified and directed.

Supply, laying, jointing, testing and commissioning LT XLPE electric cable, 1100 Volts grade, heavy duty, PVC insulated and sheathed armoured electric power cable with stranded aluminium conductor, of cross sectional area 95 sqmm 3.5 core conforming to IS- 7098 (Part I) 1988 as in trenches or along the wall/pole through pipe etc, complete all as specified and directed.

Supply, laying, jointing, testing and commissioning LT XLPE electric cable, 1100 Volts grade, heavy duty, PVC insulated and sheathed armoured electric power cable with stranded aluminium conductor, of cross sectional area 70 sqmm 3.5 core conforming to IS- 7098 (Part I) 1988 as in trenches or along the wall/pole through pipe etc, complete all as specified and directed.

Supply, laying, jointing, testing and commissioning LT XLPE electric cable, 1100 Volts grade, heavy duty, PVC insulated and sheathed armoured electric power cable with stranded aluminium conductor, of cross sectional area 50 sqmm 3.5 core conforming to IS- 7098 (Part I) 1988 as in trenches or along the wall/pole through pipe etc, complete all as specified and directed.

Supply, laying, jointing, testing and commissioning LT XLPE electric cable, 1100 Volts grade, heavy duty, PVC insulated and sheathed armoured electric power cable with stranded aluminium conductor, of cross sectional area 35 sqmm 3.5 core conforming to IS- 7098 (Part I) 1988 as in trenches or along the wall/pole through pipe etc, complete all as specified and directed.

Supply, laying, jointing, testing and commissioning LT XLPE electric cable, 1100 Volts grade, heavy duty, PVC insulated and sheathed armoured electric power cable with stranded aluminium conductor, of cross sectional area 25 sqmm 4 core conforming to IS- 7098 (Part I) 1988 as in trenches or along the wall/pole through pipe etc, complete all as specified and directed.

Supply, laying, jointing, testing and commissioning LT XLPE electric cable, 1100 Volts grade, heavy duty, PVC insulated and sheathed armoured electric power cable with stranded aluminium conductor, of cross sectional area 16 sqmm 4 core conforming to IS- 7098 (Part I) 1988 as in trenches or along the wall/pole through pipe etc, complete all as specified and directed.

Supply, laying, jointing, testing and commissioning LT XLPE electric cable, 1100 Volts grade, heavy duty, PVC insulated and sheathed armoured electric power cable with stranded aluminium conductor, of cross sectional area 10 sqmm 4 core conforming to IS- 7098 (Part I) 1988 as in trenches or along the wall/pole through pipe etc, complete all as specified and directed.

Supply, laying, jointing, testing and commissioning LT XLPE electric cable, 1100 Volts grade, heavy duty, PVC insulated and sheathed armoured electric power cable with stranded aluminium conductor, of cross sectional area 06 sqmm 2 core conforming to IS- 7098 (Part I) 1988 as in trenches or along the wall/pole through pipe etc, complete all as specified and directed. Note for Srl item No 9.00 to 19.00:- Excavation & earth work, sand cushioning, protection pipes, end termination joints & protection covers shall be measured and paid separately.

Excavation in trenches not exceeding 1.5mtr wide and not exceeding 1.5mtr in depth for foundation etc or for walls, shafts, manholes not exceeding 10 sqm on plan or for laying pipes/cables etc and getting out, in soft/loose soil complete all as specified & directed.

Returning filling in including spreading leveling watering and well ramming in layers not exceeding 25 cm thick each in soft/loose soil complete all as specified and as directed.

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

M&L old size, common burnt clay, sub class 'B' bricks, designation 75, laid flat for protection of cable , adjacent to each other, perpendicular to central axis of cable complete all as specified and directed.

Material and labour Sand cushioning to cable with a layer of sand 8 cm deep before laying the cable and 15 cm deep after laying the cable (punned down to 18 cm depth after laying and stretching of cable ) complete all as specified and directed.

M&L GI pipe 40 mm bore , light grade as in trenches, under road,under floor, fixed to wall with fixing arrangement with suitable size of MS clamps made from 40x3 mm size flat iron including nuts,bolts & washers or along the pole with fixing arrangement etc for cable protection complete all as specified and directed .

M&L GI pipe 50 mm bore , light grade as in trenches, under road,under floor, fixed to wall with fixing arrangement with suitable size of MS clamps made from 40x3 mm size flat iron including nuts,bolts & washers or along the pole with fixing arrangement etc for cable protection complete all as specified and directed .

M&L GI pipe 80 mm bore , light grade as in trenches, under road,under floor, fixed to wall with fixing arrangement with suitable size of MS clamps made from 40x3 mm size flat iron including nuts,bolts & washers or along the pole with fixing arrangement etc for cable protection complete all as specified and directed .

M&L for boring upto 80 mm dia under road / path / hardstanding to pass the HT/LT cables in soft /losse soil with complete arrangement of T&P complete all as specified and directed.

Supply and fixing cable jointing kit for 1100 volt earthed grade, for straight through heat shrink type joint complete with jointing material and accessories suitable for 3.5 core XLPE armoured aluminium conductor cable of size 300 sqmm complete all as specified and directed.

Supply and fixing cable jointing kit for 1100 volt earthed grade, for straight through heat shrink type joint complete with jointing material and accessories suitable for 3.5 core XLPE armoured aluminium conductor cable of size 185 sqmm to 240 sqmm complete all as specified and directed.

Supply and fixing cable jointing kit for 1100 volt earthed grade, for straight through heat shrink type joint complete with jointing material and accessories suitable for 3.5 core XLPE armoured aluminium conductor cable of size 70 sqmm to 95 sqmm complete all as specified and directed.

Supplying, installation, testing & commissioning floor mounted, cubical type, LT panel, outdoor type, factory made, powder coated, CPRI approved, suitable for operation on 415 volts, AC 3 phase, 4 wire, 50 Hz electric supply system, made out of 40mm x 40mm x 6mm angle iron frame and 3.15 mm thick CRCA sheet side covers with front and back hinged doors with proper locking arrangement, width of panel not less than 75cm, rubber gasket on front and back to make it dust and vermin proof, including aluminium busbar sleeved with heat shrink sleeve colour coated for 3 Phase, 4 wire electric supply system including bus bar chamber, danger notice plate, wiring with suitable size of copper cable, suitable power factor capacitors, mounted on PCC 1:2:4 type B-1 (with 20 mm graded stone aggregate) foundation block of suitable size upto 40 cm above ground level complete with & including the following accessories all as specified and directed:-

Supplying, installation, testing & commissioning floor mounted, cubical type, LT panel, outdoor type, factory made, powder coated, CPRI approved, suitable for operation on 415 volts, AC 3 phase, 4 wire, 50 Hz electric supply system, made out of 40mm x 40mm x 6mm angle iron frame and 3.15 mm thick CRCA sheet side covers with front and back hinged doors with proper locking arrangement, width of panel not less than 75cm, rubber gasket on front and back to make it dust and vermin proof, including aluminium busbar sleeved with heat shrink sleeve colour coated for 3 Phase, 4 wire electric supply system including bus bar chamber, danger notice plate, wiring with suitable size of copper cable, suitable power factor capacitors, mounted on PCC 1:2:4 type B-1 (with 20 mm graded stone aggregate) foundation block of suitable size upto 40 cm above ground level complete with & including the following accessories all as specified and directed:-

Supplying, installation, testing & commissioning floor mounted, cubical type, LT panel, outdoor type, factory made, powder coated, CPRI approved, suitable for operation on 415 volts, AC 3 phase, 4 wire, 50 Hz electric supply system, made out of 40mm x 40mm x 6mm angle iron frame and 3.15 mm thick CRCA sheet side covers with front and back hinged doors with proper locking arrangement, width of panel not less than 75cm, rubber gasket on front and back to make it dust and vermin proof, including aluminium busbar sleeved with heat shrink sleeve colour coated for 3 Phase, 4 wire electric supply system including bus bar chamber, danger notice plate, wiring with suitable size of copper cable, suitable power factor capacitors, mounted on PCC 1:2:4 type B-1 (with 20 mm graded stone aggregate) foundation block of suitable size upto 40 cm above ground level complete with & including the following accessories all as specified and directed:-

Supplying, installation, testing & commissioning floor mounted, cubical type, LT panel, outdoor type, factory made, powder coated, CPRI approved, suitable for operation on 415 volts, AC 3 phase, 4 wire, 50 Hz electric supply system, made out of 40mm x 40mm x 6mm angle iron frame and 3.15 mm thick CRCA sheet side covers with front and back hinged doors with proper locking arrangement, width of panel not less than 75cm, rubber gasket on front and back to make it dust and vermin proof, including aluminium busbar sleeved with heat shrink sleeve colour coated for 3 Phase, 4 wire electric supply system including bus bar chamber, danger notice plate, wiring with suitable size of copper cable, suitable power factor capacitors, mounted on PCC 1:2:4 type B-1 (with 20 mm graded stone aggregate) foundation block of suitable size upto 40 cm above ground level complete with & including the following accessories all as specified and directed:-

Supplying, installation, testing & commissioning floor mounted, cubical type, LT panel, outdoor type, factory made, powder coated, CPRI approved, suitable for operation on 415 volts, AC 3 phase, 4 wire, 50 Hz electric supply system, made out of 40mm x 40mm x 6mm angle iron frame and 3.15 mm thick CRCA sheet side covers with front and back hinged doors with proper locking arrangement, width of panel not less than 75cm, rubber gasket on front and back to make it dust and vermin proof, including aluminium busbar sleeved with heat shrink sleeve colour coated for 3 Phase, 4 wire electric supply system including bus bar chamber, danger notice plate, wiring with suitable size of copper cable, suitable power factor capacitors, mounted on PCC 1:2:4 type B-1 (with 20 mm graded stone aggregate) foundation block of suitable size upto 40 cm above ground level complete with & including the following accessories all as specified and directed:-

Supplying, installation, testing & commissioning floor mounted, cubical type, LT panel, outdoor type, factory made, powder coated, CPRI approved, suitable for operation on 415 volts, AC 3 phase, 4 wire, 50 Hz electric supply system, made out of 40mm x 40mm x 6mm angle iron frame and 3.15 mm thick CRCA sheet side covers with front and back hinged doors with proper locking arrangement, width of panel not less than 75cm, rubber gasket on front and back to make it dust and vermin proof, including aluminium busbar sleeved with heat shrink sleeve colour coated for 3 Phase, 4 wire electric supply system including bus bar chamber, danger notice plate, wiring with suitable size of copper cable, suitable power factor capacitors, mounted on PCC 1:2:4 type B-1 (with 20 mm graded stone aggregate) foundation block of suitable size upto 40 cm above ground level complete with & including the following accessories all as specified and directed:-

Supplying, installation, testing & commissioning floor mounted, cubical type, LT panel, outdoor type, factory made, powder coated, CPRI approved, suitable for operation on 415 volts, AC 3 phase, 4 wire, 50 Hz electric supply system, made out of 40mm x 40mm x 6mm angle iron frame and 3.15 mm thick CRCA sheet side covers with front and back hinged doors with proper locking arrangement, width of panel not less than 75cm, rubber gasket on front and back to make it dust and vermin proof, including aluminium busbar sleeved with heat shrink sleeve colour coated for 3 Phase, 4 wire electric supply system including bus bar chamber, danger notice plate, wiring with suitable size of copper cable, suitable power factor capacitors, mounted on PCC 1:2:4 type B-1 (with 20 mm graded stone aggregate) foundation block of suitable size upto 40 cm above ground level complete with & including the following accessories all as specified and directed:-

Supplying, installation, testing & commissioning floor mounted, cubical type, LT panel, outdoor type, factory made, powder coated, CPRI approved, suitable for operation on 415 volts, AC 3 phase, 4 wire, 50 Hz electric supply system, made out of 40mm x 40mm x 6mm angle iron frame and 3.15 mm thick CRCA sheet side covers with front and back hinged doors with proper locking arrangement, width of panel not less than 75cm, rubber gasket on front and back to make it dust and vermin proof, including aluminium busbar sleeved with heat shrink sleeve colour coated for 3 Phase, 4 wire electric supply system including bus bar chamber, danger notice plate, wiring with suitable size of copper cable, suitable power factor capacitors, mounted on PCC 1:2:4 type B-1 (with 20 mm graded stone aggregate) foundation block of suitable size upto 40 cm above ground level complete with & including the following accessories all as specified and directed:-

Disconnecting all electric connection, shifting of transformer 315 KVA from NP Sub station - I to NP sub station - II and shifting of transformer 100 KVA in MES store yard & reconnection of all electrical equipments complete all as specified and directed.

Material and labour earthing complete with galvanized steel earth plate electrode 60 cm X 60 cm X 6 mm thick buried vertically in ground to depth not less than 2.25 mtr below ground level, with top edge of earth plate not less than 1.5 mtr below ground level, connected to GI earth lead strip 32 mm x 6 mm upto 7.5 mtr long by means of bolts, nuts, check nuts and washers of galvanized iron and connection to earthing test point & earth dolly & watering pipe GI 20 mm bore, light grade including protection pipe GI light grade 40mm bore , wire mesh, funnel,lugs, salt, charcoal dust, excavation & earthwork in soft/losse soil and refilling pit chamber with PCC 1:2:4 type B1 using 20 mm graded mechnically crushed stone aggregates , RCC 1:2:4 type B-1 using 20 mm graded mechnically crushed stone aggregates pit cover slab 50 mm thick reinforced with 8 mm dia TMT bars @ 15 cm c/c both ways including necessary form work all as shown in electrical plate No 3 of SSR part-I (2009), including testing on completion at site complete all as specified and directed. Notes:- (i) Any variation in length of earth lead and protection pipe of earth lead shall be adjusted through DO. (ii) On testing if the earth resistance is not obtained, earthing will be generated at No extra cost, till the desired earth resistance is obtained. (iii) The PCC chamber shall be constructed atleast 1.5 mtr away from the earth electrode & watering pipe.

Deduction of Total of Sch of credit amount Rs 20005.00

kailu construction co

satpal and brothers

Garg Engineers

R D Bansal

SATISH AND CO

BEHL AND COMPANY

UNITED ENGINEERING CORPORATION