REPAIR TO EXTERNAL ELECTRIFICATION WORK INCLUDING REPAIR/REPLACEMENT OF TRANSFORMER SPARE PARTS, EARTHING, UG CABLE AND OTHER CONNECTED WORKS AT AF STN AMRITSAR

Amount

Repair, Maintenance & overhauling of HT (11 KV) VCB of capacity 250 MVA 1 incoming and two outgoing complete after taking out trolley, checking of all fixed and moving parts for smooth operations, cleaning with CTC or CRC 226 and rustlick, air blower, replacement of minor parts, checking and repair to locking system, alignment & closing / triping & charging system including replacement of FRP phase barier and provideing re-insulation to bus bar with HT tape, repair to heaters and making the complete VCB functional with free and operating mechanism, complete all as specified and directed. Note : Unsreviceable items shall be measured & paid under item Nos 2.01 to 2.06 here-in-after.

Taking out existing unserviceable items of VCB, HT, 11KV, 250 MVA of any make after taking shut down and replacing the follwing items complete all as specified and directed :-

(a) Supply and fixing Indicator LED type.

(b) Supply and fixing for rack out gear assembly for VCB tripping system

(c)Supply and fixing for Auxiliary switch NO/NC suitable for 11KV HT VCB as per sample, complete all as specified and directed.

(d) Supply and replacement of Shunt trip coil 24-30 Volts DC suitable for 11 KV VCB, complete all as specified and directed.

(e) Supply and fixing for HTCT cast DESIGN ratio 100/50/05 Amp for VCB

(f) Supply and replacement of Vacuum bottle suitable for 400 Amp, 11 KV HT VCB, complete all as specified and directed.

Supply and fixng in repair HT bushing insulation complete with brass stud washer & nuts etc for transformer of capacity upto 500 KVA complete all as specified and directed

Supply and fixng in repair LT bushing insulation complete with brass stud washer & nuts etc for transformer of capacity upto100 KVA complete all as specified and directed

Supply and fixng in repair LT bushing insulation complete with brass stud washer & nuts etc for transformer of capacity 150KVA to 500 KVA complete all as specified and directed

Supply & fixing air breather assembly complete with fresh silica gel for transformer of cpacity 63 KVA to 250 KVA complete all as specified and directed

Supply & fixing breather assembly complete with fresh silica gel for transformer of cpacity 300 KVA to 500 KVA complete all as specified and directed

Supply & filling, silica gel for transformer complete all as specified and directed

Supply & fixing oil level indicator of suitable capacity as per site requirement complete all as specified and directed.

Supply & fixing 25mm dia gun metal globe or gate valve with iron wheel head screwed both ends for 25mm dia bore galvnised iron pipe complete all as specified as directed.

M&L for Filteration & Dehydration of HV grade transformer oil (On line/off line), minimum three cycles to achieve dielectric strength upto 60KV at 4mm gap and upto 40KV at 2.5mm gap, complete all as specified and directed. Note - Oil filteration machine with all T&P & testing equipment required for filtration shall be arranged by contractor without any extra cost to the department.

Supply and filling transformer oil confirming to IS-335183 having dielectric strength upto 60 KV at 2mm gap Make : Servo/Power/Castrol or equivalent make specified here-in-before.

Material and labour for Painting to transformer of any capacity upto 100KVA from outside after cleaning of exposed surface by sand blasting or steel grit blating, with one coat of priming paint followed by two coats of high voltage insulation paints conforming to IS and as per existing colour including writing MES No/SM No, complete all as specified and directed.

Material and labour, Painting to transformer capacity 150KVA to 500KVA from outside after cleaning of exposed surface by sand blasting or steel grit blating, with one coat of priming paint followed by two coats of high voltage insulation paints conforming to IS and as per existing colour including writing MES No/SM Number, complete all as specified and directed.

Supply, jointing & testing, outdoor type cable end termination joint Heat shrinkable) complete with jointing material and accessories suitable for 3 wire, 11 KV (Earthed) grade, HT underground XLPE insulated armoured aluminium conductor, 3 core 95 sqmm size cable complete all as specified and directed.

Supply, jointing & testing, outdoor type cable end termination joint Heat shrinkable) complete with jointing material and accessories suitable for 3 wire, 11 KV (Earthed) grade, HT underground XLPE insulated armoured aluminium conductor, 3 core 120 to 185 sqmm size cable, complete all as specified and directed.

Supply, jointing & testing ,straight through cable joint kit (Heat shrinkable) complete with jointing material and accessories suitable for 3 wire , 11 KV (Earthed) grade, HT, Underground XLPE insulated armoured aluminium conductor, 3 core 95 Sqmm size cable, complete all as specified and directed.

Supply, jointing & testing ,straight through cable joint kit (Heat shrinkable) complete with jointing material and accessories suitable for 3 wire , 11 KV (Earthed) grade, HT, Underground XLPE insulated armoured aluminium conductor, 3 core 120 Sqmm size cable, complete all as specified and directed.

M&L for earthing complete with galvanized steel earth plate electrode of size 60cm x 60cm x 6mm thick burried directly in ground vertically at a depth not less than 2.25 metre deep below normal ground level with top edge of the plate not less than 1.5 metre below normal ground level surrounded from all sides by 15 cm thick packed layer of charcoal dust and common salt, filling in alternate layer and electrode connections by using galvanized iron earth lead wire 4 mm dia by means of bolts, nuts, check nuts and washers made of galvanized iron or steel and protected by light grade 15 mm dia GI pipe connected to main switch board or main control board, and GI pipe light grade 20 mm bore for watering and including funnel, wire mesh, RCC pit cover and PCC chamber pit with PCC 1: 2: 4 type B2 including excavation and earth work, disposal of surplus soil to a distance not exc. 50 mtr all as specified and as shown on Plate No 3 of SSR Part I (2009) incl dismanteling of existing unserviceable erth pit all as specified and directed by Engr-in-Charge.

M&L for earthing complete with galvanized steel earth plate electrode of size 60cm x 60cm x 6mm thick burried directly in ground vertically at a depth not less than 2.25 metre deep below normal ground level with top edge of the plate not less than 1.5 metre below normal ground level surrounded from all sides by 15 cm thick packed layer of charcoal dust and common salt, filling in alternate layer and electrode connections by using galvanized iron strip 25X4mm as earth lead by means of bolts, nuts, check nuts and washers made of galvanized iron or steel and protected by light grade 32 mm dia GI pipe connected to main switch board or main control board, and GI pipe light grade 20 mm bore for watering and including funnel, wire mesh, RCC pit cover and PCC chamber pit with PCC 1: 2: 4 type B2 including excavation and earth work, disposal of surplus soil to a distance not exc. 50 mtr all as specified and as shown on Plate No 3 of SSR Part I (2009) dismanteling of existing unserviceable erth pit all as specified and directed by Engr-in-Charge.

Material and labour for Copper strip 20mm x 3.15 mm with saddles and fixing screws on porcelain insulators on roof and floor complete all as specified.

M&L for Galvanized iron strip 32 x 6 mm with saddles and fixing screws on porcelain insulators burried in ground complete all as specified and as directed

Material and labour for Aluminium strip 25mm x 3.15 mm fixing with and incl porcelain insulators on roof and floor complete all as specified.

Supply and fixing pre-casted RCC earth pit cover for replacing broken/ unserviceable pit cover including cleaning the surronding area (60cm x60cmx60mm) complete all as specified and directed. Note : Pre caste concrete shall be reinforced with MS XPM having weight n.less than 4Kg/sqcm.

Supply & fixing porcelain supporting insulator of existing size / adequate size fixing on wall / roof for insulating and supporting the lightning arrestor strips to protect during lightning complete all as specfied & directed.

Material and labour for brazzing (welding) on Copper strip of existing earthing/lightening arrestors including strip cleaning complete at various location all as specified and directed

Excavation in trenches in soft/loose soil not exceeding 1.5 meter wide and not exceeding 1.5 meter deep for laying of cables and foundation of poles etc. and getting out complete all as spceified and directed.

Returning, filling in trenches (soil) including spreading leveling, watering and well ramming in layers not exc 25 cm thick complete all as specified and directed.

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

M&L sand cushioning with a layer of dry river sand 80mm thick before laying of cable and 150mm thick (punned down to 100mm thick) after laying of cables, in trenches/ducts. Complete all as specified and directed Note: Punned down thickness (overall 18cm), shall be considered for measurement and payment.

M&L, locally available , sub class 'B' bricks (old size) laid flat and dry in trenches over the cable for protection prependicular to the direction of cable adjacent to each other complete all as specified and directed.

Supplying and laying, factory made unreinforced precast concrete cable cover HV type-1, flat, of size 300x180x40mm, laid flat and dry in trenches over the cable for protection, length perpendicular to the direction of cable adjacent to each other, complete all as specified and directed.

M&L for GI pipe light grade 80 mm dia bore for cable protection fixed to pole or under road/ pavement, complete including MS clamps, nuts, bolts etc all as specified and directed.

M&L, GI pipe light grade 50 mm dia bore for cable protection fixed to pole or under road/ pavement, complete including MS clamps, nuts, bolts etc all as specified and directed.

M&L, GI pipe light grade 40 mm dia bore for cable protection fixed to pole or under road/ pavement, complete including MS clamps, nuts, bolts etc all as specified and directed.

Supply, laying, jointing, testing and commissioning of High Tension (HT), 11000 Volts (earthed) grade, XLPE insulated, screened, PVC bedded, galvanized steel strip armoured, electric power cable (heavy duty) with stranded aluminum conductor, cross sectional area 95 Sqmm, 3 core underground cable including both side connection with cable lugs etc, laid in trenches, along poles or passing through pipes or laid under floor or through walls etc inclduing taking out old unserviceable cable complete all as specified and directed.

Supply, laying, jointing, testing and commissioning of High Tension (HT), 11000 Volts (earthed) grade, XLPE insulated, screened, PVC bedded, galvanized steel strip armoured, electric power cable (heavy duty) with stranded aluminum conductor, cross sectional area 150 Sqmm, 3 core underground cable including both side connection with cable lugs etc, laid in trenches, along poles or passing through pipes or laid under floor or through walls etc including taking out old unserveicable cable complete all as specified and directed.

Supply , laying jointing and commissioning, LT under gound cables XLPE insulated screened PVC bedded galvanized steel strip armoured electric powder cable (heavy duty) with alumininum conductor cross sectional are 95 Sqmm 3.5 core LT, 1100 volts grade as in repair, laid in trenches , along poles or passing with through pipe or laid under floor or through/ on walls etc with incl taking out old including taking out old unserveicable cable complete all as specified and directed.

Supply installation, commissioning and testing of factory made tested (Including CPRI type tested certificate ) LT panel board cubical outdoor type of size 0.75 x 0.75 x 0.40 mtrs, plate mounted suitable for , 415 volts 3 phase, 4 wire,50 HZ AC supply system having bus bar chamber with insulated aluminium bus bar of rating 400 Amp installed on proceline/ SMC insulator. The panel shall be dust and vermin proof IP -65 class protection and made of 3.15 mm CRCA MS sheet and 40X40X6 mm thick MS angle iron frame work, powder coated finished over one coat of red oxide on out side surface and painted in side with two coats of red oxide primer and rear opening type with apran for cable entery closing locking arrangement including internal wiring with PVC insulated solid copper conductor FRLS cable IS 694 marked , 1100 volts grade of appropriate size (but not less than 4.0 sqmm) and comprising of the following including necessary PCC in 1:2:4 type B1 using 20mm graded stone aggregate for platform of suitable size etc all as specified with the following fitments fixed as in repair:- (a) MCCB 4 pole 415 volt 250 amp rating bracking capacity 36 KA incoming (Adjustable Overload 40-100%). (b) Bus bar: Providing suitable size of Bus bar of aluminium 400 amp rating with coloured heat shrinkable insuated sleeves 415 volts as per IS of suitable size mounted on DMC/epoxy insulator

Supply and fixing switch air break, triple pole, gang operated, outdoor type, mechanically operated, mounted on 12 insulators and steel channel frame with all fittings & accessories like channel, angle, nut, bolts and washer etc, with 25 mm bore GI pipe as operatig rod of suitable length for operating mechanism worked from ground level, including drop out fuse unit assembly 11 KV grade, for current rating upto 400 Amps suitable for 11000 volts grade, AC supply, including locking arrangement for opertaing handle incl all fixing arrangement with and including taking out old GOD, complete all as specified and directed.

M&L for repair of four pole structure incl replacement of Pin insulator, conductor jumper, male female connector complete with nuts, bolts and washers for fixing of the same items etc complete all as specified and directed

S&F 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 HT, 25x20cm size complete all as specified.

Material and labour for painting of HT PCC pole with 1 coats of Cement base paint upto 1.5m above ground level (in white and black strips of 30cm each) and 2 coats of aluminum paint to channel, bracing ,clamps GI pipe fittings etc as per site after preparation of surface including writing pole Nos, with black paint complete all as specified and directed.

Dismantling and removing of transformer capacity upto 100 KVA and shifting from site to workshop for repair, opening in the presence of Engineer-in-Charge, taking out coil and detaching core & core assembly for estimation of repair and damaged parts, cleaning/washing of tank and removing the dust from all parts including cores, tanks, cooling tubes, removal of damaged parts, shifting to site and re-fixing in position after repiars, with and including provision of cork sheets, making connections, including testing and commissioning, complete all as specified and directed. Note : Supply and fixing of new spare parts shall be measured and paid separately.

Dismantling and removing of transformer capacity 100KVA to 500KVA and shifting from site to workshop for repair, opening in the presence of Engineer-in-Charge, taking out coil and detaching core & core assembly for estimation of repair and damaged parts, cleaning/washing of tank and removing the dust from all parts including cores, tanks, cooling tubes, removal of damaged parts, shifting to site and re-fixing in position after repiars, with and including provision of cork sheet, making connections, including testing and commissioning, complete all as specified and directed. Note : (i)Supply and fixing of new spare parts shall be measured and paid separately. (ii) Note : Rewinding and testing on load of transformer to be carried out through approved firm.

Supply and fix, copper winding coils of required size with super enamelled superior quality copper wire of suitable size on primary side of transformer (HV side)and specification, complete with insulation, varnishing, vaccum impregnation and baking of coil assembly etc, complete all as specified and directed.

Supply , laying jointing and commissioning, LT under gound cables XLPE insulated screened PVC bedded galvanized steel strip armoured electric powder cable (heavy duty) with alumininum conductor cross sectional are120 Sqmm 3.5 core LT, 1100 volts grade as in repair, laid in trenches , along poles or passing with through pipe or laid under floor or through/ on walls etc incl taking out old un serviceable cable complete all as specified and directed.

Supply , laying jointing and commissioning, LT under gound cables XLPE insulated screened PVC bedded galvanized steel strip armoured electric powder cable (heavy duty) with alumininum conductor cross sectional are 35 Sqmm 3.5 core LT, 1100 volts grade as in repair, laid in trenches , along poles or passing with through pipe or laid under floor or through/ on walls etc incl taking out old, complete all as specified and directed.

Supply , laying jointing and commissioning, LT under gound cables XLPE insulated screened PVC bedded galvanized steel strip armoured electric powder cable (heavy duty) with alumininum conductor cross sectional are16 Sqmm 4 core LT, 1100 volts grade as in repair, laid in trenches , along poles or passing with through pipe or laid under floor or through/ on walls etc incl taking out old un serviceable cable complete all as specified and directed.

Material and labour for 100 mm thick plain cement concrete 1:4:8 type D-2 using 40 mm graded crushed stone aggregate as in sub base of floors, complete all as specified and directed.

Material and labour for 50 mm thick plain cement concrete 1:3:6 type C-2 using 40 mm graded crushed stone aggregate as in floors, finished the surface even and fair, complete all as specified and directed.

Supply only for Aluminium lugs/ferrule suitable for LT UG Cable,1100V for the following size of cable:-

(i) 25 Sqmm

(ii) 35 Sqmm

(iii) 50 Sqmm

(iv) 70 Sqmm

(v) 95 Sqmm

(vi) 120 Sqmm

(vii) 150 Sqmm

(viii) 240 Sqmm

(viii) 300 Sqmm

Supply and fixing inreplacement of servo voltage stabilizer control card sutable for 800 KVA including all necessary connections complete all as specified and directed.

Note: The Total amount shall subject to adjustment of credit of Rs.1,37,532.00 for old Materials as per Schedule of Credit.

R D Bansal

kapoor and co

B S TRADERS

Raman Electric Trading Co