Best Practice in Water Quality Management

1

• Best Practice in Water Quality Management

Case Study 1 Ranhill Utilities Ir Zainuddin Md
Ghazali General Manager, Head of Division,
Operations
2
Ranhill Utilities
Organization Structure
3
Introduction SAJ Holdings
Operational Responsibility From Source to Tap -
Operational Data
State Government

• Distribution
• gt 500 reservoirs
• More than 16,000 km (9,300 miles) pipeline

• Customer
• 3.1 mil population
• 850,726 accounts
• Exceed 99.7 coverage

Abstraction From river and dams

• Production
• 44 treatment plants
• Capacity 1,639 Mld (430 Mgd)
• Production 1,360 Mld (360 Mgd)

Catchment areas, rivers and dams
1,713 employees
4
Water Safety Plan SAJHs Practice Experience
SAJHs Water Quality Management
Ensuring drinking water quality supplied is in
accordance with National Guidelines for Drinking
Water Quality (MOH/WHO Standards)
5
Water Safety Plan SAJHs Practice Experience
Source-to-Tap Sampling Points

• 975 sampling points throughout the system
• Risks identified at each sampling points along
  with corrective action plan for identified threats

6
Water Safety Plan SAJHs Practice Experience
SAJHs Central Lab (ISO/IEC 17025 Certified)
Integrated GIS (IGIS)

• Integration of
• Water Quality System (WaQIS)
• Billing Info System
• Remote Monitoring System
• Production Control System
• Job Management System
• Real-time information on water quality
• consolidate the water quality test results and
  interpret the water quality performance for the
  entire state of Johor.

• Set up to maintain the quality of treated water
  according to the Standard Drinking Water
  Guidelines
• A complete lab with linkages to the district and
  private laboratories
• Quality of water produced achieved 99.5
  compliance
• Strive to achieve 99.9 compliance

7
Water Safety Plan SAJHs Practice Experience
Integrated GIS (IGIS)
8
Water Safety Plan SAJHs Practice Experience
Water Quality Survey / Studies
Reservoir Cleaning

• Joint survey with
• Ministry of Health
• Department of Environment
• Department of Irrigation and Drainage
• Regulators
• Conducted study on "High-Quality Raw Water
  Extraction from Polluted River Using River Bank
  Filtration (RBF)
• Joint study with UTMs Institute of Environmental
  and Water Sources Management.
• 2 years study Cost RM170,000

• A tank cleaning program to clean all storage
  tanks once in 5 years to enhance the level of
  adherence to the standards
• Special Tank Cleaning team established to handle
  the task
• The crew are specially trained in working in
  close confined space, using of breathing
  apparatus, safety equipment, emergency treatment
  and handling of cleaning equipment

9
Water Safety Plan SAJHs Practice Experience
Emergency Response Plan (ERP)

• A documented plan that describes the actions to
  take in the event of water emergency
• A water supply emergency is defined as an event
  which causes a major disruption of its function
  not resulting from normal operational disorders
• Examples of emergency events
• Failure of distribution systems / WTP / Source
• Pollution
• Power Outages
• Chemical shortage / Chemical Accident
• Drought
• Flood
• Primary objective is protecting public health by
  maintaining a sufficient water supply for all
  during emergency event

10
APPLICATION OF WSP DURING FLOODING SEASON
Emergency Response Plan (ERP)
11
WSP Application Flooding Season
The 2006/2007 Johor Flood

• Extraordinarily heavy rainfall hit the state of
  Johor and caused major floods in 6 major towns
• More than 110,000 people were evacuated from
  their homes
• Electricity and water supply was affected
• The flood waves claimed 18 lives
• Costliest flood in Malaysian history, with the
  total cost of RM 1.5 billion
• Total Damages to SAJHs infrastructure
• Damages to intakes WTPs RM 1,200,000
• Damages to pipes RM11,200,000
• Damages to slopes RM 8,500,000
• Damages to offices etc RM 170,000
• Damages to IT Equipments RM 110,000
• Damages to other equipment RM 200,000
• Damages to vehicles RM 205,000

12
WSP Application Flooding Season
SAJHs Emergency Response Plan
13
WSP Application Flooding Season
SAJHs Emergency Response Plan
14
WSP Application Flooding Season
SAJHs Emergency Response Plan
15
APPLICATION OF WSP DURING FESTIVE SEASON
Emergency Response Plan (ERP)
16
WSP Application Festive Season
SAJHs Emergency Response Plan
17
WSP Application Festive Season
SAJHs Emergency Response Plan
18
APPLICATION OF WSP DURING RAW WATER QUALITY
DETERIORATION
Emergency Response Plan (ERP)
19
WSP Application Deterioration of Raw Water
Quality
SAJHs Emergency Response Plan
20
WSP Application Deterioration of Raw Water
Quality
SAJHs Emergency Response Plan
21

• THANK YOU

Ranhill Utilities Berhad, 37th Floor,
Empire Tower, No 182, Jalan Tun Razak, 50400
Kuala Lumpur, Malaysia Tel [phone] Fax
603 2775 8775 / www.ranhill.com.my Ahmad Zahdi
Jamil Chief Executive Officer azahdi_at_ranhill.com
.my Abdul Wahab Abdul Hamid Chief Operating
Officer (SAJH) abdulwahab_at_saj.com.my Ir
Zainuddin Md Ghazali General Manager, Head of
Division Operations (SAJH) zmg1_at_saj.com.my