© PED/IWK@06/2013

March 2014

Regional Policy Workshop of Stakeholders Decentralized Wastewater Management System

in South East Asia (SEA)

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Prior to 1950-s

EVOLUTION OF SEWERAGE SYSTEMS IN MALAYSIA

2

Year

Technology

1950-s 1970-s 1980-s 1990-s 2000

Primitive / Primary Treatment Partial / Full Secondary Treatment

1960-s

Pour Flush Septic Tank

Imhoff Tank OP/AL Activated Sludge/

Biological Filters Fully Mechanised

Plant

(Address Public Health) (Address River Pollution) (Address Environment)

Future Tertiary

Treatment

Early Days in Malaya

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0

5

10

15

20

25

30

7th MP 8th MP 9th MP 10th MP

RM B

illio

n

Cumulative Developer investment

Cumulative Government investment

INVESTMENT IN SEWERAGE INFRASTRUCTURE (PAST 2 DECADES)

MP – Malaysia Plan 3

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1991 MS1228

1994 1st ed Guidelines for

Developers

1998 2nd ed Guidelines

for Developers

2009 3rd ed M’sian

Sewerage Industry Guidelines

Continuous Improvement

JOURNEY OF STANDARDISATION IN M’SIAN SEWERAGE INDUSTRY

4 ,829 STPs taken over since 1st ed. published

4

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CHALLENGES OF MALAYSIA SEWERAGE INDUSTRY

• Large number • Logistic • Uneconomical Planning

• Design issues • Construction quality • Various equipment Technical

Hazard & Operability issues , Non-compliance of

effluent and hazard to

public and environment.

Cost Quality Delay

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STANDARD STP INITIATIVES

2010

• Initiatives by Malaysia Government Task Force

2012

• Voluntary basis

• Up to 2,000PE

2013

• Voluntary basis

• Up to 5,000PE

Near Future

• Compul-sory

• Up to 5,000PE

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STANDARD STP – OPTIMISE INDUSTRIAL RESOURCES

Consistent decisions

Simplify processes

7

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SIGNIFICANCE OF STANDARDISATION

8

COMMONALITY

COMPATIBILITY

COMPETITION REFERENCE

INTERCHANGE-ABILITY

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Plants < 5000PE,

75%

Plants > 5001PE

25%

Public Mechanical Plants

STANDARD STP – IMMEDIATE FOCUS

9 0

500

1000

1500

2000

2500

3000

3500

Extended Aeration System Other Treatment Systems

Nos

TO4 80%

Non TO4

20%

STPs taken over after enforcement of Guidelines for Developers

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• Construction methodology

• Consistent quality

• Standard Operating Procedures

• Interchangeability

• Standard Specification • Typical Design

Commonality Compatibility

• Plant Arrangement

• Land Area /Dimension

• Architecture Features Planning Design

Construc- tion

Operation

5000 PE & BELOW

10

STANDARD STP – MAIN FEATURES

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2010 2 pilot projects

(Extended Aeration)

2011 3rd revision of std stp document

(EA)

2013 4th revision of

std stp document

(EA)

2013 Proposal for 1 state 1 Std STP

and development of alternative

system

2014 Implement of 1 State 1 Std

STP and rolling out of alternative

system

CONTINUOUS DEVELOPMENT OF STANDARD STP

11

Voluntary contribution and participation from stakeholders

Consultant participation

Encourage active participation from stakeholders

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TYPICAL CURRENT STPs

Standard STP – early 2010 version Standard STP – end 2010 version

Current STP VS Standard STP

12

© PED/IWK@06/2013

For further information, pls contact to : Indah Water Konsortium Sdn Bhd (Company No. : 211763-P) Level 1-4, Block J, Pusat Bandar Damansara, 50490 Kuala Lumpur, MALAYSIA Tel:+603 27801100 Fax:+603 27801101 Web page: http://www.iwk.com.my