PowerPointPrsentation

1
h a m m e r e r s y s t e m m e s s t e c h n
i k Ing. Max Hammerer Activities Consulting
and advisory service for Water- and Energy Supply
Companies Activities in the market and experience
in this field since 1974 Special sectors Leak
detection, damage statistics, rehabilitation
procedures Cooperation partners Technical
University Dresden, Faculty for City
developement, Prof. Dr. R. Herz IT-Center for
Supply Networks, Hartl/Wehr Düsseldorf, Dipl.Ing.
R. Wehr IT-SoftwareCenter for GIS, Hemminger SHH
Esslingen, Dipl.Ing. G. Voß Special
products PARIS Freely PARameterisable
Information System G I S PROFI Programme for
Control and Maintanance of Networks INFRA
Programme for prognoses of rehabilitation needs
ROKA Programme for Network Calculation on GIS
basis Offices in Klagenfurt/Austria and
Düsseldorf/Germany
2
h a m m e r e r s y s t e m m e s s t e c h n
i k Ing. Max Hammerer Active Membership German
Association for Gas- and Waterworks DVGW (network
rehabilitation) Austrain Association for Gas- and
Waterworks ÖVGW (coordination group) International
Association of Waterworks in the Danube
Catchment Area IAWD Austrian Danube Water
Cooperation (Cooperation of Industy and Water
companies) Country activities Austria Water,
Gas, Energy and Sewerage companies Germany
Water, Gas, Energy and Sewerage companies Italy,
Luxembourg Water and Gas companies

Reform countries in Southeastern Europe

Bosna-Herzegovina,
Bulgaria, Croatia, Hungary, SerbiaMontenegro,
Romania, Slovakia, Slovenia, Czech Republic
Water and Sewerage companies
3
h a m m e r e r s y s t e m m e s s t e c h n
i k Ing. Max Hammerer

Selected References Water network
Vienna 3.400 km Gas network Vienna 3.300
km Water network Innsbruck 860 km Gas network
Innsbruck 690 km Water network Graz 945
km Gas network Graz 540 km Water network
Udine 640 km Water network Triest 920
km Water network Munich 3.800 km Gas network
Munich 2.400 km Water network Essen 1.860 km Gas
network Essen 1.440 km Water network Gotha 1.100
km Water network Nürnberg 2.140 km Water network
Sindelfingen 340 km Water network Luxembourg
410 km Water network Ankara 4.100 km Water
network Belgrade 2.100 km Activities Leakage
control Damage statistic Performance
indicators Rehabilitation and replacement
strategy Programme for network control and
maintanance Advising for modern operation
management on GIS basis
4
Computer aided rehabilitation strategy for supply
pipeline systems on basis the pipe groups and
pipe sections
5
Computer aided rehabilitation strategy for supply
pipeline systems
G I S - Database pipe data damage data
graphical data
Pipe groups
Existing pipe analysis Damage analysis Damage
prognosis
Step 1
Infr.Pro
Replacement rate50 years
Pipe sections graph
Damage rate-pipe section Damage
prognosis External criteria register

Step 2
Infra.Plan
Pipe replacement / year
Selection for rehabilitation
Step 3
Infra.Reha
pipe material rehabilitation criteria economic
aspects
Rehabilitation method
6
6 steps for rehabilitation of pipes
GIS
Damage data
Pipe data
Network grafic
Leitungsbestand
Pipe groupes
Pipe sections
Infra.stat Damage analyse Damage prognose
Damage analyse
Infra.Pro Rehabilitation rate Strategies
Rehabilitation strategy
Infra-System
Infra.Plan Network rehabilitation p.a.
Rehabilitation priorities
Infra.Plan Detail planing in the street
Detail planing for one pipe
Hydraulic network simulation for actual diameter
Hydraulich network analyse for actual diameter
7
Examples of existing networks and their service
times
8
Prognosis of the network age and the replacement
Jahrgänge(5 Jahre)
2000
1875
1900
1925
1950
1975
2000
30 20 10 0 10
20 30
2025
Länge in km
2050
2075
2100
9
Rehabilitation concept for rehabilitation needs
on the basis of pipe groups
Network Damage data
Network Pipe data
Calculating of the operation time
Network simulation Existing situation
Kohorten- Pipe life model I N F R A
Rehabilitation- options
Results Quantity of renewal Limited operation
time Damage development Actual pipe
data Rehabilitation costs
Cost of the projects
Network simulation for future planing
10
Analysis of the existing pipe data Pipe groups
and construction period
11
Influences of damages

• Underground
• Pipe material
• Number of service pipes
• Age of the pipe
• Pipe connections
• Isolating of the pipe
• Traffic in the street
• Influences of construction works
• Quality of pipe construction
• Operation pressure of the medium

12
Analysis of the damage data over a longer period
Damage development over 17 years
Damage rate on mians
Damages on service pipes
Diameters in mm
Materials
13
Examples Analysis of the damage data over a
longer period
Damage analyse for Steel pipe group
Damage analyse for cast iron pipe group
14
Prognosis simulation of existing pipegroups
Determination of the forecasted age with standard
tolerance
Concentration of damages on basis the age of pipes
Determine of the critical damage rate and the
risc range of pipes
15
Evaluated service time and residual service life
of all pipe groups
16
Determine of the ageing function of one type of
pipes
Distribution of the age
Failure rate
Age of the pipe
Age of the pipe
Survial function
Residual service life
Residual service life in years
Age of the pipe
Age of the pipe
17
Future rehabilitation needs Evaluated by Infra.Pro
18
Existing rehabilitation activities and forecated
future rehabilitation needs
2,0
1,5
1,0
0,5
Future rehabilitation needs
19
Computer aided selection of efficient rehabilitati
on projects on the basis og pipe
sections Evaluated by infra.plan
Criteria catalog of infuences for rehabilitation
projects
Presentation of results in GIS
20
Determination of pipe sections for
rehabilitation Evaluation by Infra.Plan with
GIS-data
21
Numeric data presentation of the pipe sections
needed for rehabilitation
22
Methods for the rehabilitation of pipelines
Maintenance
Repair campaigns
Rehabilitation
Rehabilitation of pipes
Renewal of pipes
Cleaning of pipes
Tube relining
Cement relining
Pipe construction
Closed replacement
PE-Lining Closed lining
Berst-lining Press-pull-lining
23
Table to select the right rehabilitation method
for rehabilitation
24
Decision for Investment / Operating expenditure
Criteria Rehabilitation - Repair
Operating expenditure
Investment
DECISION
Replacement Rehabilitation
Maintanance Repair costs
Loss dynamik
Damage dynamik
Forecast Service time
Key parameter
Key parameter
Pipe data Service pipe data Fitting
data Inhabitants
Supply system
Loss control
Repairs
Damage statistic
Damage analyse
Distance to buildings
25
Economic facts for rehabilitation procedure
Strategy Rehabilitation on basis The evaluated
prognosies needs
Costs and benefit
Bilance
Break-Even 2022
26
Time shedule and realisation steps for
implementation a rehabilitation concept

• Definition of the goal 6 months
• Definition of the basis data
• Identification of supply companies for a pilot
  project
• Analysis of the data from the defined network and
  and prognosis
• of the residual service life of the existing
  pipe material 6 months
• 5. Presentation of the future rehabilitation
  needs
• Selection of pipe sectors for rehabilitation 6
  months
• List of all relevant methods for the
  rehabilitation of water pipes
• Assessment of these rehabilitation methods 6
  months
• Proposal of recommended priorities for methods of
  rehabilitation
• Recommendation for a rehabilitation strategy 6
  months