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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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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39 of 178 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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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

34.

B-38

- Permissible Span with A.A.A Conductor (Table) for 1φ 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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