REC Drawings
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Transcript of REC Drawings
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Index for REC Drawings A: Construction Standards
S.No. Drawing No. Description
Series – A : 11 KV Lines Formations
1. A-1 11 KV Lines – Protective Guarding
2. A-2 11 KV Lines – Conductor Formation and Clearances without Earth Line
3. A-3 11 KV Lines – Conductor Formation with Earth Wire
4. A-4 11 KV Lines – Supports with out Earth Wire
5. A-5 11 KV Lines – Lines Supports with Earth Wire
6. A-6 11 KV Lines – ‘V’ Cross Arm (M.S. Channel)
7. A-7 11 KV Lines – Pole Top Bracket
8. A-8 11 KV Lines – Permissible Spans (Tables)
9. A-9 11 KV Lines – A C S R Conductor Voltage Regulation Table
10. A-10 11 KV Lines – Arrangement of Conductor at Angle LOC
11. A-11 11 KV Lines – Tapping Arrangement – Single Pole Tapping
12. A-12 11 KV Lines – Tapping Arrangement First Structure of Length Spur Line
13. A-13 11 KV Lines – ‘V’ Cross Arm (M.S. Angle)
14. A-14 11 KV Lines – Automatic Voltage Booster Installation
15. A-15 11 KV Lines – Installation of Autoreclosure on D.P. Structure
16. A-16 11 KV Lines – Conductor Formation and Clearance of 11 KV 3 φ Line
17. A-17 11 KV Lines – Configuration of Single Phase Line (8 M)
18. A-18 11 KV Lines – Configuration of Single Phase Line (7 M)
19. A-19 11 KV Lines – Single Phase Tapping from 3 φ (Phase – Neutral)
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S.No. Drawing No. Description
20. A-20 11 KV Lines – Single Phase Tapping from Single Phase Line
21. A-21 11 KV Lines – Arrangement at Tension Locations
22. A-22 11 KV Lines – Type of Poles for Angle and Dead End Locations
23. A-23 11 KV Lines – Arrangement of Guys for 00 to 100
24. A-24 11 KV Lines – Arrangement of Guys for 100 to 600 (Single Pole)
25. A-25 11 KV Lines – Arrangement of Guys for 100 to 600 (D.P)
26. A-26 11 KV Lines – Arrangement of Guys for 600 to 900 (Four Pole)
27. A-27 11 KV Lines – Arrangement of Guys for Dead End Locations (D.P) (Double Pole Support)
28. A-28 11 KV Lines – Configuration of S φ Line (7.5 M) Pole
29. A-29 11 KV Lines – Single Phase Tapping Phase to Phase (R& B)
30. A-30 11 KV Lines – Single Phase Tapping Phase to Phase (Y& R)
31. A-31 11 KV Lines – Single Phase Tapping from Single Phase Line
32. A-32 11 KV Lines – Single Phase Line (ACSR) (Voltage Regulation Table)
33. A-33 11 KV Lines – Single Phase (Phase – Neutral) Voltage Regulation Table
34. A-34 11 KV Lines – Permissible Spans for 11 KV Lines with A.A.A. Conductor
35. A-35 11 KV Lines – A.A.A. Conductor Voltage Regulation Table
36. A-36 11 KV Lines – FRP Top Hamper for 11 KV O.H. Line with Polymeric Ferrule
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Series – B : LT Lines
1. B-1 415 / 240 Volts Lines Protective Guarding (Horizontal)
2. B-2 415 / 240 Volts Lines Protective Guarding (Vertical) Across rod Vertical Formation
3. B-3 415 / 240 Line Horizontal Formation
4. B-4 415 / 240 Line conductor Formation and Clearances
5. B-5 415 / 240 Line Supports – Horizontal Formation
6. B-6 415 / 240 Line Supports – Vertical Formation
7. B-7 415 / 240 Line – Pole Top Bracket
8. B-8 Max. Permissible Span for 3 φ L.T. Line (Table)
9. B-9 415 V. Line A.A.C. and ACSR Conductor Voltage Regulation Table
10. B-10 415 V – Arrangement for Conductor at Angle Loc
11. B-11 Max. Permissible Span for L.T. Line
12. B-12 415 V – conductor Formation and Clearances 3 φ 4 to Line
13. B-13 LT Line (Vertical) – Clearances
14. B-14 1 φ Line – Horizontal Formation
15. B-15 1 φ Line – Vertical Formation
16. B-16 LT Line – PVC Spacer
17. B-17 Earth Knobs for LT Line
18. B-18 Composite Spacer for LT Line
19. B-19 Type of Poles for Angle and Dead Loc
20. B-20 LT Line Arrangement of Guys for 00 to 100 Angle Loc
21. B-21 LT Line Arrangement of Guys for 100 to 600 Angle Loc
22. B-22 LT Line Arrangement of Guys for 100 to 600 Angle Loc
23. B-23 LT Line Arrangement of Guys for 600 to 900 Angle Loc
24. B-24 LT Line Arrangement of Guys for dead End Loc
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25. B-25 3 φ - 5 W Line – Arrangement of Guys for 00 to 100
26. B-26 3 φ - 5 W Line – Arrangement of Guys for 100 to 300
27. B-27 3 φ - 5 W Line – Arrangement of Guys for 300 to 600
28. B-28 3 φ - 5 W Line – Arrangement of Guys for 600 to 900 Angle Loc
29. B-29 3 φ - 5 W Line – Arrangement of Guys for Dead End Loc
30. B-30 3 φ - 5 W Line – Vertical Formation Guy Arrangement Dead Loc
31. B-31 3 φ - 4 W Line – Arrangement of Guys for angle and Dead Loc
32. B-36 LT Lines – Max. Permissible Span with A.A.A. Conductor (Table) for 3 φ
33. B-37 - Permissible Span with A.A.A Conductor (Table) for 1φ
34. B-38 LT Lines – A.A.A. Conductors – Voltage Regulation (Table)
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Series – C : 11 KV Material
1. C-1 11 KV Insulators and Fittings
2. C-2 11 KV Insulators – T & C Fittings
3. C-3 Holding of Conductor on 11 KV Pin Insulator (Straight Run)
4. C-4 Holding of Conductor on 11 KV Pin Insulator
5. C-5 Holding of Conductor on 11 KV Pin Insulator (Angle Loc)
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Series – D : LT Material
1. D-1 415 / 240 V – Pin Insulator
2. D-2 415 / 240 V – Pin Insulator and Fittings
3. D-3 415 / 240 V – Shackle Insulator
4. D-4 415/240 V Insulators- Shackle type-2
5. D-5 Hardware Fitting Insulators – Fitting for Shackle Insulator
6. D-6 LT Conductor Straight – Run and Dead Arrangements
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Series – E : Joints – 11 KV & LT
1. E-26 Crimped Tension Joints for A.A.C. / ACSR
2. E-28 LT Service Connectors
3. E-29 Application of Epoxy Compound on ‘T’ Joint
4. E-30 HT Bimetallic Connectors for DTR
5. E-31 Helically Formed Fittings
6. E-32 Helically Formed Fittings T-Connectors
7. E-33 Helically Formed Fittings – Splice for ACSR Joint
8. E-34 Suspension Clamp and Eye Hooks
9. E-35 Dead End Clamp and Eye Hooks
10. E-38 LT Connectors Non-Tension
11. E-39 Clamped Joint for LT Service Connection
12. E-40 LT Aerial Bunched Cables Current Carrying Capacity (Table)
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Series – F : DTR – Insulation
1. F-1 11 KV / 433 V DTR with D.O. Fuse
2. F-2 11 KV / 433 DTR with AB Switch and HG Fuses
3. F-3 11 KV / 433 DTR for on Line Locations along the line
4. F-4 11 KV / 433 DTR for on Line Locations across the line
5. F-5 11 KV / 433 DTR Location of Earth Pots
6. F-6 11 KV H.G. Fuse
7. F-7 11 KV HG Fuse – Mounting Details
8. F-8 LT MultiCore Cables for DTRS
9. F-9 11 KV Air Break Switches – Recommended Ratings
10. F-10 Earthing Arrangement for DTR
11. F-11 Installation of Automatic Transformer Disconnection Switches with D.O. Fuse
12. F-13 Single Phase Transformer Arrangements
13. F-14 Single Phase Transformer Mounting Details
14. F-15 3 Phase Distribution – Using Two Single Phase Transformers
15. F-16 3 Phase Distribution Using Two 6.35 KV Single Phase Transformers
16. F-17 Application of Automatic Transformer Disconnection Switches
17. F-18 Recommended Single Core Cables for DTR Table
18. F-19 Single Phase DTR Arrangement
19. F-20 Mounting Arrangement of 25 KVA DTR
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Series – G : Guy - Arrangement
1. G-1 Guy Assembly
2. G-2 Guy End Assembly
3. G-3 Guying Arrangements Single and Double Guy
4. G-4 Guying Arrangements – Fly Guy, Bow Guy
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Series – H : Service Connection
1. H-1 Service Connection – Single Phase Line
2. H-2 Service Connection – S φ Service Connection Meter Board
3. H-4 Service Connection – 3 φ Industrial Bare-wire
4. H-5 Service Connection – 3 φ Industrial Insulated Cable
5. H-6 Service Connection – 3 φ Agriculture
6. H-7 Service Connection - 3 φ Meter Board - I
7. H-8 Service Connection - 3 φ Meter Board – II
8. H-9 LT Capacitor – Ratings and Mode of Connections
9. H-10 Service Connection – 1 φ with MCB Control
10. H-11 Service Connection - 3 φ Meter Board with MCB Control
11. H-12 Service Connection Single Phase Meter Board with Plug in Type MCB
12. H-13 Service Connection - 3 φ Meter Board with Plug in Type MCB
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Series – J : Crossing of Lines & Earthing
1. J-1 Coil Earthing
2. J-2 Earthing Pipe
3. J-3 Crossing of Power Lines with Railway Track
4. J-4 Crossing of Power Lines Telecommunication Lines
5. J-5 Crossing of LT Power Lines
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Series – K : Base Plate
1. K–4 R.C.C. Base / Ancher Plate
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Series – L : 33 / 11 KV Sub-Station
1. L–1 33/11 KV Sub-Station – Standard Layout (Outdoor)
2. L–2 33/11 KV Sub-Station – Indoor 11 KV Switchgear
3. L –3 33/11 KV Sub-Station – Metering Arrangement
4. L–4 33/11 KV Sub-Station – 11 KV PILC Cables Recommended Sizes
5. L-5 33/11 KV Sub-Station – 11 KV XLPE Cables Recommended Sizes
6. L-7 Standard Layout for 33/11 KV Low Cost Sub-Station
7. L-8 33/11 KV Layout of Unattended Sub-Station
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Series – M : 33 KV Lines
1. M-1 33 KV Line – Pole Top Bracket
2. M-2 33 KV Line – Standard Length/Working Load of Supports (Tables)
3. M-3 33 KV Line – Conductor formation and Clearances
4. M-4 33 KV Line – Pole Top Bracket
5. M-5 33 KV Line – ACSR Conductor – Voltage Regulation
6. M-6 33 KV Line – Protective Guard Table – Across Road with External Fuse Protection
7. M-7 33 KV Lines – Arrangement of Conductors at Angle Location 00 – 100 deviation
8. M-8 33 KV Lines – Arrangement at 100 – 600 deviation
9. M-9 33 KV Lines – Arrangement at 600 – 900 deviation
10. M-10 33 KV Lines – Tapping Arrangement on Single Pole
11. M-11 33 KV Lines – with A.A.A. Conductor Sizes Table
12. M-12 33 KV Lines – with A.A.A. Conductor Voltage Regulation Table
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Series – N : 66/11 KV Sub-Station
1. N-1 Layout-unattended Sub-Station
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Series – P : 11 KV Switched Capacitors
1. P-1 Installation of 11 KV Switched Capacitor Bank with Separately Mounted CT
2. P-2 Installation of 11 KV Switched Capacitor Bank with Built in CT
3. P-3 Installation of 11 KV Switched Capacitor Bank with Separately Mounted CT
4. P-4 Installation of 11 KV Switched Capacitor Bank with Built-in CT with internal Fuses.
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