Speed Bump Design

DRAFT MALAYSIAN STANDARD

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STAGE : PUBLIC COMMENT (40.20) DATE : 01/02/2013 - 31/03/2013

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Speed bump - Specification for materials, design and installation

OFFICER/SUPPORT STAFF: (NM / )

ICS: 93.080.30 Descriptors: speed bump, specification, installation, marking, signage

© Copyright 2012 DEPARTMENT OF STANDARDS MALAYSIA

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CONTENTS ii

National Foreword .............................................................................................................

iii

1

Scope ....................................................................................................................

1

2

Terms and definitions ...........................................................................................

1

3

Objectives of speed bump’s installation ...............................................................

2

4

Advantages and disadvantages of speed bump ..................................................

2

5

Application ............................................................................................................

3

6

Design and specification .......................................................................................

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Committee representation .................................................................................................

3

Advantages and disadvantages of speed bump ...............................................

Table 2

Applicability .......................................................................................................

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Table 3

Specification ......................................................................................................

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Table 1

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Figure 2 Typical example of speed bump .......................................................................

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Figure 1 Plan of speed bump ..........................................................................................

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Figure 4 Speed bump sign ..............................................................................................

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Figure 3 Typical design standard of speed bump ...........................................................

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Committee representation

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Association of Consulting Engineers Malaysia Construction Industry Development Board Malaysia Department of Irrigation and Drainage Malaysia Department of Standards Malaysia Dewan Bandaraya Kuala Lumpur Federation of Malaysian Manufacturers Jabatan Bomba dan Penyelamat Malaysia Jabatan Kerajaan Tempatan Jabatan Kerja Raya Malaysia Lembaga Pembangunan Industri Pembinaan Malaysia Malaysian Timber Council Malaysian Timber Industry Board Master Builders Association Malaysia Pertubuhan Akitek Malaysia Projek Lebuhraya Utara-Selatan Berhad Real Estate and Housing Developers' Association Malaysia SIRIM Berhad (Secretariat) Suruhanjaya Perkhidmatan Air Negara The Cement and Concrete Association of Malaysia The Institution of Engineers, Malaysia Universiti Sains Malaysia Universiti Teknologi Malaysia

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The Industry Standards Committee on Building, Construction and Civil Engineering (ISC D) under whose authority this Malaysian Standard was developed, comprises representatives from the following organisations:

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Association of Consulting Engineers Malaysia Federation of Malaysian Manufacturers IKRAM QA Services Sdn Bhd Jabatan Bomba dan Penyelamat Malaysia Jabatan Kerja Raya Malaysia Malaysian Highway Authority OPUS International (M) Berhad Opus Group Berhad Pertubuhan Akitek Malaysia Projek Lebuhraya Utara-Selatan Berhad SIRIM Berhad (Secretariat) Shimizu Corporation Universiti Malaysia Pahang

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The Technical Committee on Roads and Highways which supervised the development of this Malaysian Standard consists of representatives from the following organisations:

The Working Group on Seed bump which developed this Malaysian Standard consists of representatives from the following organisations: Dewan Bandaraya Kuala Lumpur Malaysian Institute Of Transport, Universiti Teknologi MARA Malaysian Institute of Road Safety Research Perunding Atur Sdn Bhd RW Consultancy Sdn Bhd SIRIM Berhad (Secretariat) The Institution of Engineers, Malaysia Universiti Kebangsaan Malaysia Universiti Malaysia Pahang Universiti Teknologi MARA

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FOREWORD This Malaysian Standard was developed by the Working Group on Speed Bump under the authority of the Industry Standards Committee on Building, Construction and Civil Engineering.

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Compliance with a Malaysian Standard does not of itself confer immunity from legal obligations.

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SPEED BUMP- SPECIFICATION FOR MATERIALS, DESIGN AND INSTALLATION 1

Scope

This Malaysian standard describes the traffic calming devices that cause a vertical deflection of the vehicle. Vertical shifts in the roadway are the most effective and reliable for speed reduction.

Terms and definitions

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Speed bumps are abrupt humps, normally less than 3 feet (1 meter) in length. The primary function of a speed bump is used for reducing the speed of motor vehicles. The types of speed bumps varies accordingly to the conditions and needs of a given streets as shown in Figure 1 and Figure 2.

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For the purposes of this standard, the terms and definitions given in MS 2236 apply.

Figure 1. Plan of speed bump

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Objectives of speed bump’s installation

Objectives of speed bump:

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a) it is intended to reduce speed;

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Figure 2. Typical example of speed bump location

b) it is intended to reduce the noise level due to the lower speed of vehicles; and

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c) help in promoting the public’s safety.

Advantages and disadvantages of speed bumps

Advantages and disadvantages of speed bumps are tabulates as per Table 1 below: Table 1. Advantages and disadvantages of speed bumps Advantages a. effectively reduce the vehicular speed b. to promotes safety of public (pedestrian)

Disadvantages a. speed may increase when the drivers get used to feel of the speed bump b. increased the delay time for emergency vehicle response

c. cheaper and low in maintenance as compared to speed hump

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Application

Table 2 describes the applicability of speed bump in terms of their characteristics of roadway, traffic condition, location and population. Table 2. Applicability Item a. road category

Description Roads within parking lot, check points and service areas including access road NOTE. Any other installation is subjected to approval of the governing authority

One through travel lane per direction Apply on roads without curb Apply across the entire width of roads surface

c. traffic condition

Speed limit not more than 25 km/h It should be built with street lighting to maximize visibility Transverse bars should be installed before speed bump where appropriate i.e on the straight road.

Design and specification

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b. roadway

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The installation or implementation of speed bump must be according to the specification as in Table 3 and design standard as in Figure 3.

Material use

Dimension

Estimated speed

Height (at the mid point and transition at both ends to the existing pavement):

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Asphaltic concrete wearing course

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Table 3. Specification

Rubber

57mm (2.25 inches)

16-24km/hr (10-15mph)

64 mm (2.5 inches)

8-16km/hr (5-10mph)

75 mm (3 inches)

Enforced stopping

Signage/ road marking Speed Bump Stripe: Yellow colour marking

Width: 300 mm (12 inches) parabolic curves Space 105 mm to 210 mm apart According to manufacturer’s specification as approved by the governing authority

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Dimensions are in millimeter unless stated otherwise

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(a) Plan view

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Section A - A

(b) Sight view Figure 3. Typical design standard of speed bump

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6.1 Signage and road marking

Colour code

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Background Yellow

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Minimum Normal Other sizes

Dimension of signage (mm) a b c 400 10 10 600 10 15 750 15 20 900 15 25

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Sizes

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The signage for the speed bump to be installed is described in the Figure 4 below. The use of the signage is considered as a warning.

Location

Message

Borders

Black

Black

Both sides of the street facing traffic and adjacent to speed bump

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Figure 4. Speed bump sign

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Bibliography KPKR /J/810/AM 220 - Public Works Department Malaysia

[2]

Lukisan rekabentuk bonggol jalan bagi kawasan perumahan dan kompleks perniagaan Shah Alam, Majlis Bandaraya Shah Alam, Selangor.

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[1]

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Acknowledgements

Organisation Universiti Malaysia Pahang SIRIM Berhad Kuala Lumpur City Hall Majlis Bandaraya Shah Alam Malaysian Institute of Road Safety Malaysian Institute Of Transport Perunding Atur Sdn Bhd Public Works Department Malaysia

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Members of Working Group on Speed Hump Name Assoc Prof Ir Adnan Zulkiple (Chairman) Ms Nadiah Mohamed (Secretary) Mr Amirul Ain Mr Murat Hadani Mr Alvin Poi Wai Hong Ir Bahardin Baharom Ir Chin Kar Keong Mr Anwar Ahmad/ Ir Mukhzani Abd Latif Ir Richard Wong Chuen Fun Ir Chin Wei Choong /

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Members of Technical Committee on Roads and Highways Name Organisation Dato’ Ir Aishah Othman (Chairman) Public Works Department Malaysia Ms Nadiah Mohamed (Secretary) SIRIM Berhad Ir Winnie Ng Guat Poh Association of Consulting Engineers Malaysia Ir A Letchumanan Federation of Malaysian Manufacturers Mr Abu Bakar Katain Fire and Rescue Department Malaysia Engr Hj Yahaya Ariffin IKRAM QA Services Sdn Bhd Ir Mahdan Hj Ahmad Malaysian Highway Authority Ms Chong Choo Ling OPUS International (M) Berhad Mr Chin Chi Haw OPUS International Group PLC Ar Ong Chong Jing Pertubuhan Akitek Malaysia Ms Hjh Norbayati Hj Manap Projek Lebuhraya Utara-Selatan Berhad Dr Michael William King UEM Builders Berhad Assoc Prof Ir Adnan Zulkiple Universiti Malaysia Pahang

Ir Gunasagaran a/l Kristnan

RW Consultancy The Institution of Engineers Malaysia

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Ir Somasuntharam a/l Chinniah Prof Engr Dr Amiruddin Ismail Dr Muhammad Akram Adnan

Universiti Kebangsaan Malaysia Universiti Teknologi MARA

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