Apr 2000

STANDARD DETAILS

OF ROAD ELEMENTS All rights reserved. No part of this publication may be reproduced, stored in a retrieval system, or transmitted, in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, without the prior permission of the Road & Rail Design Department, Land Transport Authority © LTA 2000

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Land Transport Authority Design Development Division

1 Hampshire Road

Block 2 Level 3

Singapore 219428

Table of Contents

CONTENTS

DRAWING TITLE DRAWING NUMBER PAGE NO.

1. PAVEMENTS OF ROADS & CAR PARKS

FLEXIBLE PAVEMENT (TYPE I) FOR EXPRESSWAYS

LTA/RD/SD99/PAV/1A 1 - 1

FLEXIBLE PAVEMENT (TYPE II) FOR MAJOR ARTERIALS

LTA/RD/SD99/PAV/2A 1 - 2

FLEXIBLE PAVEMENT (TYPE II) FOR PRIMARY ACCESS

LTA/RD/SD99/PAV/3A 1 - 3

FLEXIBLE PAVEMENT (TYPE III) FOR LOCAL ACCESS

LTA/RD/SD99/PAV/4A 1 - 4

RIGID PAVEMENT LTA/RD/SD99/PAV/5B 1 - 5

& 1 - 6 LTA/RD/SD99/PAV/6A

PAVEMENT FOR CAR PARK LOTS (TYPE A)

LTA/RD/SD99/PAV/7 1 - 7

PAVEMENT FOR CAR PARK LOTS (TYPE B)

LTA/RD/SD99/PAV/8 1 - 8

RECAMBERING & WIDENING OF CARRIAGEWAY

LTA/RD/SD99/PAV/9 1 - 9

2. DRAINS & CULVERTS

PC.C. CHANNELS AND DRAINS

LTA/RD/SD99/DRA/1 2 - 1

CAST - IN - SITU BOX CULVERT

LTA/RD/SD99/DRA/2 2 - 2

PC.C. PIPE CULVERTS LTA/RD/SD99/DRA/3 2 - 3

PRECAST U - DRAIN AND SLABBED OVER U - DRAIN

LTA/RD/SD99/DRA/4A 2 - 4 &

2 - 5 LTA/RD/SD99/DRA/5A

CAST - IN - SITU SLABBED OVER U - DRAIN

LTA/RD/SD99/DRA/6A 2 - 6

PC.C. DROP - INLET CHAMBER

LTA/RD/SD99/DRA/7E 2 - 7

PC. C. KERB WITH SCUPPER INLET

LTA/RD/SD99/DRA/8A 2 - 8

2. DRAINS & CULVERTS

SUB - SOIL DRAINS AND SUMPS ALONG EXPRESSWAYS

LTA/RD/SD99/DRA/9A 2 - 9

SUB - SOIL DRAINS AND SUMPS ALONG MAJOR ARTERIALS

LTA/RD/SD99/DRA/10A 2 - 10

3. KERBS & FOOTPATHS

KERBS AND DIVIDERS LTA/RD/SD99/KER/1A 3 - 1

KERB PAINTING

LTA/RD/SD99/KER/2 3 - 2 &

3 - 3 LTA/RD/SD99/KER/3

CIVIC DISTRICT KERB LTA/RD/SD99/KER/4 3 - 4

CAST - IN - SITU FOOTPATH LTA/RD/SD99/KER/5 3 - 5

FOOTPATH RAMP (TYPE I PEDESTRIAN CROSSING POINTS)

LTA/RD/SD99/KER/6A(1)

3 - 6

LTA/RD/SD99/KER/6A(2)

FOOTPATH RAMP (TYPE II PEDESTRIAN CROSSING POINTS)

LTA/RD/SD99/KER/7A(1)

3 - 7

LTA/RD/SD99/KER/7A(2)

FOOTPATH RAMP (TRAFFIC ISLAND)

LTA/RD/SD99/KER/8A 3 - 8

FOOTPATH RAMP (SIDE ROAD) LTA/RD/SD99/KER/9A 3 - 9

FOOTPATH RAMP (DRIVEWAY) LTA/RD/SD99/KER/10A 3 - 10

FOOTPATH RAMP (FOOTPATH BESIDE OPEN DRAIN)

LTA/RD/SD99/KER/11A 3 - 11

HOMOGENEOUS TACTILE TILES LTA/RD/SD99/KER/12 3 - 12

4. GRATINGS & MANHOLE COVERS

PEDESTRIAN GRATING (WITHOUT CHEQUER PLATE)

LTA/RD/SD99/GRA/1 4 - 1

PEDESTRIAN GRATING (WITH CHEQUER PLATE)

LTA/RD/SD99/GRA/2 4 - 2

4. GRATINGS & MANHOLE COVERS

FRAME FOR PEDESTRIAN GRATING

LTA/RD/SD99/GRA/3 4 - 3

VEHICULAR GRATING

LTA/RD/SD99/GRA/4A 4 - 4 &

4 - 5 LTA/RD/SD99/GRA/5A

MANHOLE COVER AND FRAME LTA/RD/SD99/GRA/6 4 - 6

5. RAILINGS

RAILINGS (TYPE A) LTA/RD/SD99/RAL/1C 5 - 1

PEDESTRIAN ALUMINIUM ALLOY RAILINGS (TYPE B, C AND D)

LTA/RD/SD99/RAL/2C 5 - 2

RAILING ON CONCRETE BASE LTA/RD/SD99/RAL/3 5 - 3

6. GUARDRAILS

VEHICULAR IMPACT GUARDRAILS

LTA/RD/SD99/VIG/1A 6 - 1 &

6 - 2 LTA/RD/SD99/VIG/2A

ARRANGEMENT OF VEHICULAR IMPACT GUARDRAILS AT HIGH EMBANKMENT

LTA/RD/SD99/VIG/3 6 - 3

ARRANGEMENT OF VEHICULAR IMPACT GUARDRAILS AT SUPERELEVATION

LTA/RD/SD99/VIG/4 6 - 4

DOUBLE SIDED GUARDRAILS LTA/RD/SD99/VIG/5 6 - 5

GUARDRAILS FOR PROTECTION OF COLUMN ( WITHOUT ADJOINING VEHICULAR IMPACT GUARDRAILS)

LTA/RD/SD99/VIG/6 6 - 6 &

6 - 7 LTA/RD/SD99/VIG/7

GUARDRAILS FOR PROTECTION OF COLUMN (WITH ADJOINING VEHICULAR IMPACT GUARDRAILS)

LTA/RD/SD99/VIG/8 6 - 8

CLEARANCE OF STREET FURNITURE FROM GUARDRAIL

LTA/RD/SD99/VIG/9 6 - 9

VEHICULAR IMPACT GUARDRAILS (TYPE 1, 2)

LTA/RD/SD99/VIG/10 6 - 10

VEHICULAR IMPACT GUARDRAILS (TYPE 3)

LTA/RD/SD99/VIG/11 6 - 11

VEHICULAR IMPACT GUARDRAILS (TYPE 4)

LTA/RD/SD99/VIG/12 6 - 12

6. GUARDRAILS

VEHICULAR IMPACT GUARDRAILS (CRASH ATTENUATOR)

LTA/RD/SD99/VIG/13A 6 - 13

VEHICULAR IMPACT GUARDRAILS (THRIE-BEAM TRANSITION)

LTA/RD/SD99/VIG/14 6 - 14

VEHICULAR IMPACT GUARDRAILS (SLIP BASE PLATE)

LTA/RD/SD99/VIG/15 6 - 15

7. DIRECTIONAL SIGNS

LETTERINGS FOR DIRECTIONAL SIGNS (UPPER CASE)

LTA/RD/SD99/DIR/1 7 - 1 &

7 - 2 LTA/RD/SD99/DIR/2

LETTERINGS FOR DIRECTIONAL SIGNS (LOWER CASE)

LTA/RD/SD99/DIR/3 7 - 3 &

7 - 4 LTA/RD/SD99/DIR/4

NUMBERS FOR DIRECTIONAL SIGNS

LTA/RD/SD99/DIR/5 7 - 5

ARROWS FOR DIRECTIONAL SIGNS

LTA/RD/SD99/DIR/6 7 - 6

NOTES FOR DIRECTIONAL SIGNS

LTA/RD/SD99/DIR/7 7 - 7 &

7 - 8 LTA/RD/SD99/DIR/8A

8. ROAD MARKINGS & SIGNS

LANE MARKINGS LTA/RD/SD99/RMS/1B 8 - 1

& 8 - 2 LTA/RD/SD99/RMS/2B

ARROW MARKINGS LTA/RD/SD99/RMS/3 8 - 3

CHEVRON MARKINGS FOR EXPRESSWAYS

LTA/RD/SD99/RMS/4A 8 - 4

TO

8 - 6

LTA/RD/SD99/RMS/5C

LTA/RD/SD99/RMS/6

CHEVRON MARKINGS FOR OTHER ROADS

LTA/RD/SD99/RMS/7 8 - 7

ROADS SIGNS & MARKINGS AT INTERSECTIONS

LTA/RD/SD99/RMS/8B 8 - 8 &

8 - 9 LTA/RD/SD99/RMS/9

ROADS SIGNS & MARKINGS FOR SLIP ROADS & SHARP CURVE

LTA/RD/SD99/RMS/10A 8 - 10

ROADS SIGNS & MARKINGS FOR PEDESTRIAN CROSSINGS

LTA/RD/SD99/RMS/11 8 - 11

8. ROAD MARKINGS & SIGNS

RAISED ZEBRA CROSSING LTA/RD/SD99/RMS/12 8 - 12

MULTI - HEAD ARROW MARKING LTA/RD/SD99/RMS/13 8 - 13

BUS FRIENDLY HUMP CUM RAISED ZEBRA CROSSING

LTA/RD/SD99/RMS/14 8 - 14

CURVE ALIGNMENT MARKERS (CAM) FOR ARTERIAL ROAD

LTA/RD/SD99/RMS/15 8 - 14

9. TRAFFIC MANAGEMENT MEASURES

ROAD HUMP LTA/RD/SD99/TMM/1 9 - 1

SPEED REGULATING STRIPS LTA/RD/SD99/TMM/2 9 - 2

PHYSICAL NOSING FOR EXPRESSWAYS

LTSD99A/RD//TMM/3A 9 - 3

CHANNELISING ISLANDS & U - TURN

LTA/RD/SD99/TMM/4 9 - 4

BUS FRIENDLY ROAD HUMP LTA/RD/SD99/TMM/5 9 - 5

10. SUPPORTS FOR ROAD SIGNS

SUPPORT FOR DIRECTIONAL AND INFORMATION SIGNS

LTA/RD/SD99/SUP/1A 10 - 1

TO

10 - 3

LTA/RD/SD99/SUP/2A

LTA/RD/SD99/SUP/3A

SUPPORT FOR STREET NAME BOARD

LTA/RD/SD99/SUP/4 - Deleted

10 - 4

HOLDER FOR STREET NAME BOARD

LTA/RD/SD99/SUP/5 - Deleted

10 - 5

SUPPORT FOR TRAFFIC SIGN

LTA/RD/SD99/SUP/6

10 - 6

TO

10 - 9

LTA/RD/SD99/SUP/7

LTA/RD/SD99/SUP/8

LTA/RD/SD99/SUP/9

ROAD GANTRY SIGNS (TRUSS)

LTA/RD/SD99/SUP/10

10 - 10

TO

10 - 13

LTA/RD/SD99/SUP/11

LTA/RD/SD99/SUP/12

LTA/RD/SD99/SUP/13

10. SUPPORTS FOR ROAD SIGNS

SUPPORT FOR CANTILEVER DIRECTION SIGNS

LTA/RD/SD99/SUP/14 10 - 14

TO

10 - 16 LTA/RD/SD99/SUP/15

LTA/RD/SD99/SUP/16

TYPICAL STEEL BRACKET FOR 4.5 HEIGHT LIMIT SIGN

LTA/RD/SD99/SUP/17 10 - 17

11. BUS STOPS

SINGLE BUS BAY (TYPE 1) LTA/RD/SD99/BUS/1B 11 - 1

SINGLE BUS BAY (TYPE 1A) WITHOUT SEPARATOR

LTA/RD/SD99/BUS/2B 11 - 2

DOUBLE BUS BAY (TYPE 2) LTA/RD/SD99/BUS/3B 11 - 3

DOUBLE BUS BAY (TYPE 2A) WITHOUT SEPARATOR

LTA/RD/SD99/BUS/4B 11 - 4

TRIPLE BUS BAY (TYPE 3) LTA/RD/SD99/BUS/5B 11 - 5

TRIPLE BUS BAY (TYPE 3A) WITHOUT SEPARATOR

LTA/RD/SD99/BUS/6B 11 - 6

BUS BAY DETAILS

LTA/RD/SD99/BUS/7C 11 - 7

TO

11 - 9

LTA/RD/SD99/BUS/8A - Deleted

LTA/RD/SD99/BUS/9

BUS SHELTER (TYPE A) LTA/RD/SD99/BUS/10A 11 - 10

SAFETY BOLLARD LTA/RD/SD99/BUS/11-Deleted

11 - 11

12. TAXI - STANDS

TAXI - STAND (TYPE A) LTA/RD/SD99/TAX/1 12 - 1

TAXI - STAND (TYPE B) LTA/RD/SD99/TAX/2 12 - 2

TAXI - STAND (TYPE C) LTA/RD/SD99/TAX/3 12 - 3

TAXI STOP LTA/RD/SD99/TAX/4 12 - 4

STAINLESS STEEL ‘BUM REST’ LTA/RD/SD99/TAX/5 12 - 5

13. PLANTING REQUIREMENT

LAYBY FOR NPARK’S WATER TANKERS

LTA/RD/SD99/PNR/1A 13 - 1

13. PLANTING REQUIREMENT

SOIL AERATION

LTA/RD/SD99/PNR/2A 13 - 2 &

13 - 3 LTA/RD/SD99/PNR/3

14. EXPRESSWAY APPURTENANCE

ROAD TRAFFIC SIGNS & ASSOCIATED PLATES - DIRECTIONAL & DISTANCE STICKERS ALONG EXPRESSWAY ( FOR SOS PHONE )

LTA/RD/SD99/EPA/1-Deleted

14 - 1

EMERGENCY GATE

LTA/RD/SD99/EPA/2 14 - 2 &

14 - 3 LTA/RD/SD99/EPA/3

15. PROJECT SIGNS

PLAQUE LTA/RD/SD99/PSB/1 15 - 1

PROJECT SIGN BOARD FOR LTA PROJECT

LTA/RD/SD99/PSB/2A 15 - 2

PROJECT SIGN BOARD FOR LTA PROJECT TYPICAL FOOTING AND STEEL CONNECTION DETAILS FOR TIMBER SIGN BOARDS

LTA/RD/SD99/PSB/3A 15 - 3

PROJECT SIGN BOARD FOR LTA PROJECT, STEEL CONNECTION DETAILS FOR ALUMINIUM SIGN BOARDS

LTA/RD/SD99/PSB/4A 15 - 4

TIMBER POST ( TYPE B ) LTA/RD/SD99/PSB/5 15 - 5

16. INSTRUMENTATION

SETTLEMENT PLATE LTA/RD/SD99/INS/1 16 - 1

PNEUMATIC PIEZOMETER WATER STANDPIPE INCLINOMETER

LTA/RD/SD99/INS/2 16 - 2

17. BOLLARDS

BOLLARDS LTA/RD/SD99/BOL/1B

17 - 1 &

17 - 2 SAFETY BOLLARDS AT BUS STOPS (ROAD SPEED LIMIT: 60 kph)

LTA/RD/SD99/BOL/2A

SAFETY BOLLARDS AT BUS STOPS (ROAD SPEED LIMIT: 70 kph)

LTA/RD/SD99/BOL/3A 17 - 3

17. BOLLARDS

BOLLARDS LTA/RD/SD99/BOL/4-Deleted

17 - 4

BOLLARD AT FOOTPATH LTA/RD/SD99/BOL/5-Deleted

17 - 5

SPRING LOADED POST FOR NARROW DIVIDER (NOT MORE THAN 400mm WIDE)

LTA/RD/SD99/BOL/6-Deleted

17 - 6

18. TRAFFIC MANDATORY SIGNS

ROAD TRAFFIC SIGNS & ASSOCIATED PLATES (MANDATORY SIGNS)

LTA/RD/SD99/TFM/1 18 - 1 &

18 - 2 LTA/RD/SD99/TFM/2

19. TRAFFIC PROHIBITORY SIGNS

ROAD TRAFFIC SIGNS & ASSOCIATED PLATES (PROHIBITORY SIGNS)

LTA/RD/SD99/TFP/1

19 - 1

TO

19 - 6

LTA/RD/SD99/TFP/2

LTA/RD/SD99/TFP/3

LTA/RD/SD99/TFP/4

LTA/RD/SD99/TFP/5

LTA/RD/SD99/TFP/6

20. TRAFFIC WARNING SIGNS

ROAD TRAFFIC SIGNS & ASSOCIATED PLATES (WARNING SIGNS)

LTA/RD/SD99/TFW/1

20 - 1

TO

20 - 9

LTA/RD/SD99/TFW/2

LTA/RD/SD99/TFW/3

LTA/RD/SD99/TFW/4

LTA/RD/SD99/TFW/5

LTA/RD/SD99/TFW/6

LTA/RD/SD99/TFW/7

LTA/RD/SD99/TFW/8

LTA/RD/SD99/TFW/9

21. TRAFFIC INFORMATORY SIGNS

ROAD TRAFFIC SIGNS & ASSOCIATED PLATES (INFORMATORY SIGNS)

LTA/RD/SD99/TFI/1A

21 - 1

TO

21 - 17

LTA/RD/SD99/TFI/2

LTA/RD/SD99/TFI/3

LTA/RD/SD99/TFI/4

LTA/RD/SD99/TFI/5

LTA/RD/SD99/TFI/6

LTA/RD/SD99/TFI/7

LTA/RD/SD99/TFI/8A

LTA/RD/SD99/TFI/9

LTA/RD/SD99/TFI/10

LTA/RD/SD99/TFI/11

LTA/RD/SD99/TFI/12

LTA/RD/SD99/TFI/13

LTA/RD/SD99/TFI/14

LTA/RD/SD99/TFI/15

LTA/RD/SD99/TFI/16

LTA/RD/SD99/TFI/17

22. TRAFFIC INFORMATORY SIGNS

ROAD TRAFFIC SIGNS & ASSOCIATED PLATES (SUPPLEMENTARY SIGNS)

LTA/RD/SD99/TFS/1 22 - 1 &

22 - 2 LTA/RD/SD99/TFS/2

23. STREET NAME BOARD

STREET NAME BOARD

LTA/RD/SD99/SNB/1A

23 - 1

TO

23 - 12

LTA/RD/SD99/SNB/2

LTA/RD/SD99/SNB/3

STREET NAME SIGN (STREET NAME SIGN ON SINGLE SUPPORT POST)

LTA/RD/SD99/SNB/4

STREET NAME SIGN (STREET NAME SIGN ON DOUBLE SUPPORT POST)

LTA/RD/SD99/SNB/5

STREET NAME SIGN (CANTILEVER STREET NAME SIGN ON VERTICAL SUPPORT POST)

LTA/RD/SD99/SNB/6

STREET NAME SIGN (CNTLEVER STREET NAME SIGN ON EXISTING LAMP POST)

LTA/RD/SD99/SNB/7

STREET NAME SIGN SINGLE SIDE STREET NAME SIGN ON EXISTING LAMP POST

LTA/RD/SD99/SNB/8

STREET NAME SIGN ON TRAFFIC POST

LTA/RD/SD99/SNB/9

STREET NAME SIGN (EXTRUSION)

LTA/RD/SD99/SNB/10

STREET NAME SIGN (CASTING PARTS)

LTA/RD/SD99/SNB/11

STREET NAME SIGN (TRAFFIC SIGN ON SUPPORT POST)

LTA/RD/SD99/SNB/12

GENERAL NOTES 1) THIS SET OF STANDARD DETAILS IS PRODUCED BY THE PROJECT & ENGINEERING

DIVISION OF THE LAND TRANSPORT AUTHORITY, SINGPORE. 2) THE STANDARD DETAILS ARE INTENDED TO BE INCORPORATED INTO THE

CONSTRUCTION CONTRACTS OF THE AUTHORITY BY REFERENCE. ANY DEVIATION OR MODIFICATIONS TO THESE DETAILS TO SUIT THE REQUIREMENTS OF A PARTICULAR PROJECT WILL BE HIGHLIGHTED IN THE PARTICULAR SPECIFICATION AND THE CONTRACT DRAWINGS PREPARED SPECIFICALLY FOR EACH PROJECT AND ISSUED WITH THE TENDER DOCUMENTS.

3) THE STANDARD DETAILS SHALL BE READ IN CONJUNCTION WITH THE MATERIAL &

WORKMANSHIP SPECIFICATION. THE PARTICULAR SPECIFICATION, THE CONTRACT DRAWINGS, THE CONDITIONS OF CONTRACT AND ALL OTHER DOCUMENTS FOR EACH CONTRACT.

4) THE STANDARD DETAILS ARE ALSO INTENDED AS A REFERENCE FOR

PROFESSIONAL ENGINEERS SUBMITTING ROAD PLANS TO THE DEVELOPMENT & BUILDING CONTROL DEPARTMENT OF LTA. IT SHOULD BE NOTED THAT THE PROFESSIONAL ENGINEERS ( QUALIFIED PERSON ) FOR THE PROJECT SHALL BE RESPONSIBLE FOR DESIGNING OF ALL STRUCTURAL WORK SHOWN IN THIS STANDARD DETAILS IN ACCORDANCE WITH THE REQUIREMENT IN THE BUILDING CONTROL ACT. HE SHALL BE RESPONSIBLE FOR ALL SUBMISSIONS TO RELEVANT AUTHORITIES FOR APPROVAL.

5) THE STANDARD DETAILS MAY CONTAIN ADDITIONAL NOTES. IF ANY OF THEM

CONTRADICTS THE MATERIAL & WORKMANSHIP SPECIFICATION. THE FORMER SHALL TAKE PRECEDENCE.

6) ALL DIMENSIONS SHOWN ARE IN MM UNLESS OTHERWISE STATED. 7) UNLESS OTHERWISE STATED, THE FOLLOWING CONCRETE GRADES SHALL BE

USED:-

REINFORCED CONCRETE GRADE 30

MASS CONCRETE GRADE 20

LEAN CONCRETE GRADE 15

8) WSFR MEANS WELDED STEEL FABRIC REINFORCEMENT MANUFACTURED TO

SINGAPORE STANDARD SS32.

9) ALL UPVC PIPES SHALL CONFORM TO SS272. ALL DIAMETER OF UPVC PIPE SPECIFIED SHALL BE OF NOMINAL SIZE.

10) ON EXPRESSWAYS, THE 600 x 600 TRAFFIC SIGNS SHALL BE INCREASED TO HAVE

DIMENSIONS OF 900 x 900. 11) ALL CORNERS OF TRAFFIC SIGNS ARE TO BE OF 50mm RADIUS. 12) THE BACKGROUND COLOUR OF THE BACKING PLATE FOR TRAFFIC SIGNS SHALL

BE WHITE, UNLESS OTHERWISE STATED. 13) THE ALUMINIUM SHEET SHALL COMPLY WITH BS EN 485 : pt 1 - 4 , BS EN 515 AND BS

EN 573 : pt 1 - 4. 14) THE LAST LAYER OF 500mm OF SUBGRADE MATERIAL SHALL HAVE A MIN SOAKED

CBR OF 5% AND SHALL BE COMPACTED TO MINIMUM OF 95% OF MAXIMUM DRY DENSITY. THE MINIMUM COMPACTION FOR SUBBASE MATERIAL SHALL BE 95% AND FOR BASE COURSE MATERIAL SHALL BE 98% OF THE MAXIMUM DRY DENSITY USING THE MODIFIED AASHTO COMPACTION TEST OR TEST 13 OF BS 1377.

15) THE SUBGRADE MATERIAL FOR 2m WIDTH NEXT TO EXPRESSWAY PAVEMENT

SHALL BE COMPACTED TO MINIMUM 90% OF MAXIMUM DRY DENSITY. 16) ALL CROSS REFERENCE BETWEEN STANDARD DETAILS SHALL BE TO THE

LATEST REVISION. 17) ALL STANDARDS AND CODES REFERRED TO IN THE STANDARD DETAILS

SHALL BE THE LATEST VERSION. 18) THE NOMENCLATURE FOR SOME STANDARD ELEMENTS ( EG. K7 KERBS )

HAVE BEEN CHANGED AS PER THE TABLE BELOW

OLD NOMENCLATURE NEW NOMENCLATURE

K7 KERBS K2 KERBS

D2 KERBS D1 KERBS

TYPE E RAILING TYPE A RAILING

TYPE G RAILING TYPE C RAILING