Electricity Department Tender

Supply of Earthing complete with 40mm GI Pipe, 2.5 mts long alongwith 20 kgs each salt, charcoal complete.

Supply of G.O.A.B. Switch 36 KV 800 Amps (double break) G.O.A.B. Switch 36 KV (double break) Rated Freq.: 50 Hz, System Neutral Earthing: Solidly earthed, No. of phase(poles): 3Nos, Temp. rise (Deg. C) As per standards IS/IEC, Safe duration of overload (in Minutes), 150 % of rated current: 5 minutes, 120 % of rated current: 30 minutes Rated voltage: 36 KV rms, Type of isolator (AB) DBCR Rated normal current 630 /800/1200 Amps., Rated short time withstand current of MS & EB for 3 second 25 KA rms. Rated peak current of MS & EB: 63 KA peak Rated short circuit make current of EB: 63 KA peak 63 Derating factor: Unity, Basic Insulation Level: Lightening Impulse withstand voltage(KV peak) a) Pole to earth & between poles: 170 b) Across isolating distance: 195 Rated power freq. withstand voltage (KV rms) a) Pole to earth & between poles 70 b) Across isolating distance: 80 Min. creepage distance: 900 mm Phase to phase spacing for installation: 1500 mm Min. clearances (mm) a) Phase to earth: 430 mm b) Between rotating post and fixed post on one phase: 485mm Height of centre line of terminal pad above ground level (mm): 3885mm Special Requirements: Earthing blades(EB) shall be capable to discharge the trapped charge of the line. Isolator main switch(MS) shall be required to make or break the line charging current when no significant change in voltage occurs across the isolating distance on account of make or break

Supply of 33KV, 630A, 25KA, 3 way Outdoor Load Break Switch comprising of 3 nos. 630A isolators

Supply of HDG Stay set complete with HDG stay rod & HDG Plate, break insulator 8 KV, HDG Stay clamps, HDG nut bolts & HDG Stay wire 7/10 swg. Etc.. For 13 mtr long Rail pole

Supply of 33 KV Pin Insulators. 33 KV brown glazed porcelain pin insulator with minimum failing load of 10 KN and the Minimum creepage distance of 840 mm conforming to IS 731-1971 as amended upto date.Insulators shall be marked and packed as per IS.Routine tests and acceptance tests as per IS shall be carried at the manufacturers works and test results shall be furnished before supply of materials.

Supply of G.I. Pin for 33 KV Pin Insulators. Forged G. I. Pin conforming to IS 2486 part 1 & 2 as amended upto date suitable for 33 KV porcelain pin insulators conforming to IS: 731/71 as amended upto date. G. I. pin shall be supplied along with one suitable G. I. hexagonal nut and G. I. spring washer.Pin shall conform to reference L230N fig. 6 of IS 2486 part 2. Dimension ‘X’ in said fig. shall be 150 mm (screwed 100 mm). Minimum failing load of pin shall be 10 KN.G. I. pins and nuts shall be hot dip galvanized as per IS: 2629/66 as amended up to date. The washers shall be electro galvanized.Acceptance tests and Routine tests shall be carried out at the manufacturers works and test reports shall be furnished before supply of materials.

Supply of Disc insulators ball and socket type, type ‘A’ porcelain brown glazed duly cemented at factory with MCI socket cap, forged steel ball pin and supplied with Phosphor bronze “W” split pin as per IS 731-1971 as amended upto date. Minimum failing load. Pin ball diameter 16 mm.Minimum Creepage distance 320 mm. Ferrous parts shall be galvanized as per relevant IS. Insulator shall be marked as per IS. Acceptance tests and routine tests shall be carried out as per IS by the manufacturer and test results shall be furnished by the manufacturer before supply of materials. 90KN (x 3 no)

Supply of Disc insulators 90 KN 3-bolted type hardware fitting 90KN suitable for 11KV ball and socket type disc insulators of 18mm pin, failing load of 90KN. Conform to IS-2486 Part 1-1993, 2486 Part 2-1989 as amended upto date. suitable for wolf conductor

Supply of ACSR conductor WOLF for Line & Busbar

Supply of "TEE connector" suitable for ACSR 'Wolf'

Supply of XLPE cable 33KV 3C X 400 sq.mm armoured type A2XFY (E) for Linking from 33KV LBS to 33KV OH line

Supply of H.S.33 KV Indoor Termination Kit for 3C 400 Sq mm XLPE

Supply of H.S.33 KV Outdoor Termination Kit for 3C 400 Sq mm XLPE

Supply of RCC protective covers of size 600mm long x 250mm width and 50mm thick capable of bearing load of 135Kg. And covered with earth/ sand upto depth of 0.15mts. Confirming to IS 1255-1967 at non-road crossing. (as per CEE approved drawing, enclosed)

Supply of Sand for cushioning of HT underground cables.(0.2 mtr depth X 0.4 mtr width X 500 mtr long )

Supply of GI Pipe 150mm, class B

Supply of Enamelled danger boards 33KV

Numbering /painting of LT and HT network poles

Civil Work for RMU

Providing and laying in position cement concrete 1:2:4 (1 cement : 2 coarse sand: 4 graded granitic or basaltic stone aggregate 40 m nominal size for foundations.

Centering and shuttering including struttings, propping etc and removal of formwork .

12mm cement plaster 1:4 (1 - cement: 4 - fine sand) for foundations.

Cost of Erection

Erection of RCC poles 11.00 mtr long as per Drawing CEE/C-698

Erection of HDGI Structural material for DP including Line Channels, Support channels, clamps, N&B Etc (Galvanising should be hot dipped Galvanised as per IS:2629/66, minimum Zinc coating of 1000 gms/sq.mtr, 140 Microns DFT), suitable for high salinity coastal areas)

Erection of Earthing complete with 40mm GI Pipe, 2.5 mts long alongwith 20 kgs each salt, charcoal complete.

Erection of G.O.A.B. Switch 36 KV 800 Amps (double break) G.O.A.B. Switch 36 KV (double break) Rated Freq.: 50 Hz, System Neutral Earthing: Solidly earthed, No. of phase(poles): 3Nos, Temp. rise (Deg. C) As per standards IS/IEC, Safe duration of overload (in Minutes), 150 % of rated current: 5 minutes, 120 % of rated current: 30 minutes Rated voltage: 36 KV rms, Type of isolator (AB) DBCR Rated normal current 630 /800/1200 Amps., Rated short time withstand current of MS & EB for 3 second 25 KA rms. Rated peak current of MS & EB: 63 KA peak Rated short circuit make current of EB: 63 KA peak 63 Derating factor: Unity, Basic Insulation Level: Lightening Impulse withstand voltage(KV peak) a) Pole to earth & between poles: 170 b) Across isolating distance: 195 Rated power freq. withstand voltage (KV rms) a) Pole to earth & between poles 70 b) Across isolating distance: 80 Min. creepage distance: 900 mm Phase to phase spacing for installation: 1500 mm Min. clearances (mm) a) Phase to earth: 430 mm b) Between rotating post and fixed post on one phase: 485mm Height of centre line of terminal pad above ground level (mm): 3885mm Special Requirements: Earthing blades(EB) shall be capable to discharge the trapped charge of the line. Isolator main switch(MS) shall be required to make or break the line charging current when no significant change in voltage occurs across the isolating distance on account of make or break

Erection of 33KV, 630A, 25KA, 3 way Outdoor Load Break Switch comprising of 3 nos. 630A isolators

Erection of HDG Stay set complete with HDG stay rod & HDG Plate, break insulator 8 KV, HDG Stay clamps, HDG nut bolts & HDG Stay wire 7/10 swg. Etc.. For 13 mtr long Rail pole

Erection of 33 KV Pin Insulators. 33 KV brown glazed porcelain pin insulator with minimum failing load of 10 KN and the Minimum creepage distance of 840 mm conforming to IS 731-1971 as amended upto date.Insulators shall be marked and packed as per IS.Routine tests and acceptance tests as per IS shall be carried at the manufacturers works and test results shall be furnished before supply of materials.

Erection of G.I. Pin for 33 KV Pin Insulators. Forged G. I. Pin conforming to IS 2486 part 1 & 2 as amended upto date suitable for 33 KV porcelain pin insulators conforming to IS: 731/71 as amended upto date. G. I. pin shall be supplied along with one suitable G. I. hexagonal nut and G. I. spring washer.Pin shall conform to reference L230N fig. 6 of IS 2486 part 2. Dimension ‘X’ in said fig. shall be 150 mm (screwed 100 mm). Minimum failing load of pin shall be 10 KN.G. I. pins and nuts shall be hot dip galvanized as per IS: 2629/66 as amended up to date. The washers shall be electro galvanized.Acceptance tests and Routine tests shall be carried out at the manufacturers works and test reports shall be furnished before supply of materials.

Erection of Disc insulators ball and socket type, type ‘A’ porcelain brown glazed duly cemented at factory with MCI socket cap, forged steel ball pin and supplied with Phosphor bronze “W” split pin as per IS 731-1971 as amended upto date. Minimum failing load. Pin ball diameter 16 mm.Minimum Creepage distance 320 mm. Ferrous parts shall be galvanized as per relevant IS. Insulator shall be marked as per IS. Acceptance tests and routine tests shall be carried out as per IS by the manufacturer and test results shall be furnished by the manufacturer before supply of materials. 90KN (x 3 no)

Erection of Disc insulators 90 KN 3-bolted type hardware fitting 90KN suitable for 11KV ball and socket type disc insulators of 18mm pin, failing load of 90KN. Conform to IS-2486 Part 1-1993, 2486 Part 2-1989 as amended upto date. suitable for wolf conductor

Removing of ACSR conductor 'RACOON' 6 +1 / 4.09 mm nominal aluminium area 80mm² (250 amps max. at 45° C)

Erection of ACSR conductor WOLF for Line & Busbar

Erection of XLPE cable 33KV 3C X 400 sq.mm armoured type A2XFY (E) for Linking from 33KV LBS to 33KV OH line

Removing & Re-laying of XLPE cable 33KV 3C X 400 sq.mm armoured type A2XFY

Erection of H.S.33 KV Indoor Termination Kit for 3C 400 Sq mm XLPE

Erection of H.S.33 KV Outdoor Termination Kit for 3C 400 Sq mm XLPE

Earthwork excavation in foundation trenches ( not exeeding 1.5 mts in depth including opening of roads,chambers/pavements and soiling,ramming,levelling of bottoms, making bottom,freed from stones including removing out the excavated soil/material as directed within a lead of 40mtrs (1.3 mtr depth X 0.4 mtr width X 300 mtr + 1.3x0.6x200 mtr long ) in soft soil.

Erection of RCC protective covers of size 600mm long x 250mm width and 50mm thick capable of bearing load of 135Kg. And covered with earth/ sand upto depth of 0.15mts. Confirming to IS 1255-1967 at non-road crossing. (as per CEE approved drawing, enclosed)

Refilling the pipeline/foundation trenches plinth sides, foundation etc. with available excavated earth in layers not exceeding 20 cm depth consolidating each layer ramming and watering lead upto 50 M and all lifts and disposal of surplus earth as directed by Engineer in Charge.

Erection of GI Pipe 150mm, class B

Erection of Enamelled danger boards 33KV