10_BWS_R01

Introduction of Asset Management, Belgrades expirience

Vladimir Tauanovi Ms Sc Civ.Eng Belgrade Waterworks & Sewerage

Danube river basin

Belgrade Waterworks FACTS

CUSTOMERS 1.5 MIL consumers PRODUCTION 100 wells and pumping units 5 water treatment plants DISTRIBUTION 3.500 km distribution network length 200.000 customer units 22.000 valves etc.

WATER BALANCE 200 MIL m3 annual water intake 32% Unaccounted for Water (UfW) ENERGY CONSUMPTION 168 MIL kWh/YEAR (0.88 kWh/m3) ENVIRONMENT 0.15 MIL t CO2 carbon footprint

Belgrade Waterworks FACTS (Contnd)

BWS STATUS QUO at the beginning of new millennium

Aging & Deterioration of infrastructure assets Unadjusted strategic & tactical planning Required huge budget for Capital Maintenance Low price for service (potable w & ww collection) Lack of coordination between numerous departments Urgent needs for: SHORT TERM PLAN remedial measures LONG TERM PLAN WLC approach

WATER UTILITIES capital intensive companies Managing the infrastructure is the core business

What do you have and where is it? What is it worth? What is its condition and expected remaining service life? What is the level of service expectation, what has to be done? When do you need to do it? How much will it cost and what is the acceptable level of risk? How do you ensure long-term affordability? HOW TO DEAL WITH CAPITAL OF SUCH SCALE ? Only systematic approach could yield results!

Asset Management

The way how to keep your system in good health

Management, engineering, financial, economic, and other practices applied to physical assets

Providing the required level of service at acceptable level of risk and in the most cost-effective manner

AM the art and science of making the right decisions

Asset Management

Step by step approach

State of the assets, inventory of assets Condition assessment, life cycle Assets valuation Level of service target Risk assessment and analysis Determine best technical / financial options ASSET MANAGEMENT PLAN building (long term funding plan)

Belgrade Waterworks (BWS) Way

Design of AM concept Implementing ICT infrastructure Creation of GIS & AM Departments Education and training of STAKEHOLDERS Implementing AM procedures

Introduction of ICT infrastructure Progress, SQL server

database Sybase IQ data warehouse 30 servers 1000 + PC units in network Optic cable local network

(through sewerage mains) 300 locations covered

- Technical IS (SCADA and remote control system,..)

- Management IS (E-business, data management,

. )

ACHIEVED Top management commitment IT Infrastructure implemented Improved organisation (GIS & AM Dept.) Assets inventory built GIS database in use in the whole company

- after initial support by consultants IN-HOUSE know-how

Data integration (network, O&M, commercial, etc.)

Integration of data:

GIS based (centered) 70 workstations input

data To all users available

FIELD SURVEY

Pipe Atributes

ASSETS INVENTORY

Elements - 120.000 items (pipes, valves, hydrants, ...) Atributes - more than 1 MIL (material, construction year, DN, ..

PIPES REGISTER

Pipe Atributes

Distribution system potable water

GIS network Water distribution, age based

PIPE STATISTICS

E Total network length 3.500 km

VALVES REGISTER

Valves by DN

BULK METERS REGISTER & LOGS

Bulk Meters introduced, Accurate water balance

BUILDING REGISTER

Plants, Wells, Pump. Stations, Office Buildings, etc.

VALUE OF BWS ASSETS

Book keeping value (before) 300 Mil EUR

Fair value (assessed) 1 Bill EUR Replacement value 2.5 Bill EUR

Depreciation rate 1-2% /year

Asset Management: long term plan draft

Looking foreward concept

Pipe Replacement 2002-2012

BENEFITS

Improved knowledge of own system Data integration (network, O&M, commercial, etc.) Better internal coordination within the company Established sound technical tool for decision making

support Improved effectives / efficiency Level of service Roadmap towards sustainability

Specific starting results:

SPECIFIC STARTING RESULTS

Asset registers available to all stakeholers (under permission)

Recognized additional 1000 km of distribution network (mostly illegal)!!!

Recognized 89 PMA (pressure managed area) as a supplement of traditional 5 altitudinal zones

Decreased pressure level (1 bar) in part of system with high buildings (7% of network)

Recognized 33 DMA (distict metered areas) enabling water balance brakedown

Decreased energy consumption (up to 10%) with pumps frequency control supplement

Established GIS based failure database (last 3 years)

23 PI groups - activity based approach Data quality (17 PI) Water Balance (6 PI) Commercial losses breakdown (4 PI) Network Operation & Maintenance (5 PI) Flow metering (3 PI) DMAs (5 PI) Consumers (5 PI) Water quality (5 PI) PMAs (2 PI) O&M sections level (3 PU)

MANAGEMENT REPORTING Performance Indicators based

DMA Balance Brakedown for Zone SLANCI

INFLOW

LEGEND:

CONSUMPTION

WATER LOSS

Assumption: illegal double service lines due to extensive vegetable production

DEMAND MANAGEMENT

DEMAND MANAGEMENT

Billing Consumer Consumption

Analysis based on w/m readings

Regular DMA audits

DMAs scheme

DEMAND MANAGEMENT

Water balance control Irregular events monitoring

Pipe Failures in 2012 (City)

Main

Mains failure

1 Number of failures

LEGEND:

OPERATION & MAINTENANCE

Pipe failure track record annual reports rehabilitation plans

OPERATION & MAINTENANCE

Valve Closing Scheme, Automatic Generation

Pipe Burst

Faster burst isolation Decreased customer

minutes lost (CML) Link with valve

condition assessment (valve failures)

Engaged resources overview in maintenance activities

OPERATION & MAINTENANCE

Maintenance activities cost overview

OPERATION & MAINTENANCE

Maintenance activities, cost structure

OPERATION & MAINTENANCE

WATER QUALITY

Water Quality Sampling Points

MANAGEMENT REPORTING Performance Indicators based

23 PI groups - activity based approach Data quality (17 PI) Water Balance (6 PI) Commercial losses breakdown (4 PI) Network Operation & Maintenance (5 PI) Flow metering (3 PI) DMAs (5 PI) Consumers (5 PI) Water quality (5 PI) PMAs (2 PI) O&M sections level (3 PU)

UTILITY ANNUAL REPORTS

ASSETS INVENTORY Mngmnt - NAM Report DEMAND Management - CDA Report

OM Management - OM Report

PRESSURE Management - PMA Report

WATER LOSS Management - DMA Report QUALITY Management - WQ Report

REHABILITATION Mngmnt - in progres

ComercialDataAnalysis

AssetsStockAnalysis

Resources&Costs and FailureRatesAnalysis

PressureZonesAnalysis

UfW&NRW Analysys

WaterQuality

50/20/5 YearPlans

PERFORMANCE INDICATORS (PI)

PI group 'Commercial losses (example) Operating (activity based) indicators: number of water meters older than 10 years, number of water meters with PAADC greater than 5 m3/day, number of oversized water meters larger than DN 50, number of water meters without consumption that are not

categorized as hydrants or seasonal consumers. Required actions: Changing watermeters, Installing C class watermeters, Installing smaller watermeters, Checking consumer (watermeter stucked or broken?)

NEXT BWS STEPS

Enhancing business processes on missing data collection and raising data quality (asset hierarchy, rehabilitation and replacement values, condition assessment rating, etc.)

Business risk exposure and risk assessment for the both potable water and sewerage systems to be continued (part of AM plan)

Implementation of 'look forward' concept instead of look backwards, prediction models, priorities, technical solutions, long term planning and future scenarios

Financial sustainability, cash flow models for future scenarios, tariff settings, external funding and budgeting

Long term Asset Management plan Continuous work on capacity building in BWS on further

integration of AM practices within the company

WB-IAWD Program Cooperation on implementation of AM

IN SMALL AND MEDIUM SIZE WATER UTILITIES

IT solutions: Implementation of IT systems, Network Asset Management, Maintenance Management.

Infrastructure AM model: establishment of an accurate network database, implementation business procedures

Data Quality: Field survey, Evaluation and validation processes, Data quality control and improvement

Planning and budgeting procedures Institutional Strengthening: Problem Analysis, Priorities

for Change, Business Processes, Education and training

GIS & AM dep.

Thanks for your attention