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  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  (Phase – Neutral)

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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  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.

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

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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  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  4 to Line

13. B-13 LT Line (Vertical) – Clearances

14. B-14 1  Line – Horizontal Formation

15. B-15 1  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

24. B-24 LT Line Arrangement of Guys for dead End Loc

25. B-25 3  - 5 W Line – Arrangement of Guys for 00 to 100

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27. B-27 3  - 5 W Line – Arrangement of Guys for 300 to 600

28. B-28 3  - 5 W Line – Arrangement of Guys for 600 to 900 Angle Loc

29. B-29 3  - 5 W Line – Arrangement of Guys for Dead End Loc

30. B-30 3  - 5 W Line – Vertical Formation Guy Arrangement Dead Loc

31. B-31 3  - 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 

33. B-37 - Permissible Span with A.A.A Conductor (Table) for 1

34. B-38 LT Lines – A.A.A. Conductors – Voltage Regulation (Table)

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)

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

Series – E : Joints – 11 KV & LT

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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)

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

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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

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

Series – H : Service Connection

1. H-1 Service Connection – Single Phase Line

2. H-2 Service Connection – S  Service Connection Meter Board

3. H-4 Service Connection – 3  Industrial Bare-wire

4. H-5 Service Connection – 3  Industrial Insulated Cable

5. H-6 Service Connection – 3  Agriculture

6. H-7 Service Connection - 3  Meter Board - I

7. H-8 Service Connection - 3  Meter Board – II

8. H-9 LT Capacitor – Ratings and Mode of Connections

9. H-10 Service Connection – 1  with MCB Control

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11. H-12 Service Connection Single Phase Meter Board with Plug in Type MCB

12. H-13 Service Connection - 3  Meter Board with Plug in Type MCB

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

Series – K : Base Plate

1. K–4 R.C.C. Base / Ancher Plate

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

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)

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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

Series – N : 66/11 KV Sub-Station

1. N-1 Layout-unattended Sub-Station

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.

S.No. Drawing No. Description

B: REC SPECIFICATIONS

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2. SPEC_024 LT Bushing Terminal

3. SPEC_025 General Requirements

4. SPEC_026 General Requirements (contd...)

5. SPEC_031 Fig.1: Dimensions of 11 KV Pin Insulator Fig.2: Dimensions of Strain Insulators

6. SPEC_0310 Fig.5: T&C Strain Insulator Assembly – Helical Fig.6: B&S Strain Insulator Assembly – Helical

7. SPEC_0311 Fig.7: 11 KV Strain Clamp for Ball & Socket Insulator

8. SPEC_0312 Fig.8: 11 KV Strain Clamp for Tongue & Clevis Insulator

9. SPEC_032 Fig.3: Insulator Pin

10. SPEC_037 Fig.1: Dimensions of 11 KV Pin Insulator Fig.2: Dimensions of Strain Insulators

11. SPEC_038 Fig.3: Insulator Pin

12. SPEC_041 Fig.3: Shackle Insulator Type-1 & Fittings Fig.4: Shackle Insulator Type-1 & Fittings

13. SPEC_051 Aluminium Crimping Pins for Energy Meters (2.5–5 Amps)

14. SPEC_131 Fig.1: Pins with Steal Heads for 33 KV Insulators

Fig.2: Fittings for Ball & Socket type 33 KV Insulator String Fig.3: Assembly Drawing of 3 Disc Insulators

15. SPEC_151 Economical Designs for Prestressed Concreted Poles

16. SPEC_152 D.No.1: Reinforcement Details of 7.5 M/140 Kg Prestressed Concrete Pole

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22. SPEC_211 Fig.1: Guy Strain Insulator (Designation-A) Fig.2: Guy Strain Insulator (Designation-C)

23. SPEC_231 Fig.1: 200 Amps Bimetallic Connector for Distbn.Trnsfrmr.

24. SPEC_241 Economical Designs for Virendeel Poles for 33 kV Lines

25. SPEC_2410 D.No.8: Prestressed Concrete Solid Rectangular Pole (9.0/9.5M W.L.: 400 Kg)

26. SPEC_242 Economical Designs Prestressed Concrete Poles for 33 kV Lines

27. SPEC_243 D.No.1: Prestressed Concrete Virendeel Pole (9.0M/300 Kg)

28. SPEC_244 D.No.2: Prestressed Concrete Virendeel Pole (9.0/400 Kg) for 33 kV Line

29. SPEC_245 D.No.3: Prestressed Concrete Virendeel Pole (9.5/200 Kg) for 33 KV Line

30. SPEC_246 D.No.4: Prestressed Concrete Virendeel Pole (9.5/400 Kg) for 3 kV Line

31. SPEC_247 D.No.5: Prestressed Concrete Prestressed Virendeel Pole (9.5/400 Kg) for 33 kV Line

32. SPEC_248 D.No.6: Prestressed Concrete Solid Rectangular Pole (9.0/9.5M W.L.: 200 Kg)

33. SPEC_249 D.No.7: Pre-stressed Concrete Solid Rectangular Pole (9.0/9.5M W.L.: 300 Kg)

34. SPEC_261 L.T. Multicore Aluminum Cables for Distribution S/S

35. SPEC_262 Types and Sizes of Single Core Cables

36. SPEC_282 2-Core & 4-Core PVC Insulated Cables

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38. SPEC_342 24V and 110 V NICAD Battery Typical Terminal

39. SPEC_361 Schematic Diagram of Automatic Disconnection Switch for the Distribution Transformer feeding Tubewell Loads

40. SPEC_381 Applications of 11 KV Auto–Reclosers (33/11 kV S/S)

41. SPEC_401 FRP Cross Arm for 11 kV Overhead Lines with Polymeric Ferrule

42. SPEC_411 Jointing Details of Rectangular Hollow Steel Poles

43. SPEC_421 FRP Cross Arm for 11 kV Overhead Lines with Polymeric Ferrule

44. SPEC_432 11 kV Air Break Switch

45. SPEC_495 HT Bushing Terminal Details for 1 Phase Transformers

46. SPEC_496 LT Bushing Terminal Details for 1 Phase Transformers

47. SPEC_497 General Requirements for HT & LT Busing Terminals for 1 Phase Transformers

48. SPEC_505 Fig.6: LT Bushing Terminal

Fig.7: LT Bushing Terminals Details for 1 Phase Trnsfrmrs.

49. SPEC_506 General Requirements for HT & LT Bushing Terminals for 1 Phase Transformers

50. SPEC_507 Fig.8: 200 Amps Bimetallic Connector for Distribution Transformers

51. SPEC_532 Fig.1: Typical Constructional Details of 11 kV Fuse Cut-Out

52. SPEC_533 Fig.2: 11 kV Drop Out Fuse Cutout

53. SPEC_564 HT Bushing Terminal

54. SPEC_565 LT Bushing Terminal

55. SPEC_566 General Requirements for Bushing Terminal for DTs

56. SPEC_567 General Requirements for Bushing Terminal for DTs (...contd)

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58. SPEC_572 Danger Plate

59. SPEC_631 Cross-sectional Views of HT XLPE Cable

60. SPEC_651 Schematic Diagram of Oil Filter Plant

61. SPEC_682 Block Diagram of LT Switched Capacitor System (6.5 kVA Transformer)

62. SPEC_691 11 kV Automatically Switched Capacitor Bank for 5 MVA Transformer at 33/11 kV S/S

63. SPEC_707 Bushing Terminal for Distribution Transformers

64. SPEC_723 Fig.4: HT Bushing Terminal

Fig.5: HT Bushing Terminal Details for 1 Phase Transformers

65. SPEC_724 Fig.6: LT Bushing Terminal

Fig.7: LT Bushing Terminal Details for 1 Phase Transformers

66. SPEC_725 General Requirements – HT & LT Bushing Terminals for 1 Phase Transformers

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