ICEI2014 9TH INTERNATIONAL CONFERENCE ON ECOLOGICAL INFORMATICS ECOLOGICAL INFORMATICS FOR ENVIRONMENTAL SUSTAINABILITY 20-24 OCTOBER 2014, NANJING, CHINA An integrated SCADA / GIS approach to management of combined sewerage systems – preparation for a blue green solutions – case study Zagreb Božidar Deduš (PRONING DHI, Zagreb, CROATIA) Tomislav Šijak (Naval Architecture Institute, Zagreb, CROATIA) Vesna Rogulja (PRONING DHI, Zagreb, CROATIA) Proning DHI d.o.o.
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ICEI20149TH INTERNATIONAL CONFERENCE ON ECOLOGICAL INFORMATICS
ECOLOGICAL INFORMATICS FOR ENVIRONMENTAL SUSTAINABILITY
20-24 OCTOBER 2014, NANJING, CHINA
An integrated SCADA / GIS approach to management of combined sewerage systems – preparation for a blue green solutions – case study Zagreb
Božidar Deduš (PRONING DHI, Zagreb, CROATIA)Tomislav Šijak (Naval Architecture Institute, Zagreb, CROATIA)Vesna Rogulja (PRONING DHI, Zagreb, CROATIA)
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CONTENT – CASE STUDY ZAGREB
TRADITIONAL APPROACH TO WWSS PLANNING AND OPERATION
GIS / SCADA
BLUE GREEN APPROACH
CONSLUSIONS
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ZAGREB -CAPITAL OF CROATIA, EU
• CROATIA - 5 Mio Inhabitants• 55.000 km2 • 34.000 km2 Adriatic sea• GDP/capita < 20.000 USD
• Zagreb 1 Mio Inhabitants• 3000 km of wss• 2000 km of sewage• WWTP 1,2 (1,5) Mio PE• River Sava dividing city in 2
• I PHASE- DATA COLECTING AND EVALUATION– GIS– Monitoring campaign– Model building and calibrating– Evaluation of existing situation
• II PHASE – MASTER PLAN– Short term measures– Long term measures– RTC– Water quality modeling
• III PHASE – DESIGNING GOK (MDC) SYSTEM• IV PHASE –DETAIL DESIGNING AND CONSTRUCTION
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ZAGREB SEWER SYSTEM PROJECT
FROM MASTER PLAN TO OPERATION
(1995. – 2007.)
• V PHASE- OPERATION– Major construction works finished– WWTP in operation– Further sewerage system rehabilitation plan slowered – Climate changes effects
• VI PHASE – SCADA PROJECT– Provision of monitoring equipment (rainfall runoff) – Monitoring campaign– SCADA project
• VII PHASE – BLUE GREEN APPROACH– Water quality monitoring– Preparation for BGD
• CATCHMENT AREA >300 Km2• 2000 km PIPES• 1.2 mil. PE
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nn Desetogodišnje serije oborina Desetogodišnje serije oborina
MY-M/S
0.000
0.200
0.400
0.600
0.800
1.000
1.200
1985 1990
REGN, OBORINE
*** BOUNDARY DATA ***
BIJENIK
Desetogodišnje serije temperaturaDesetogodišnjeDesetogodišnje serije temperatura serije temperaturann
-10.000
-5.000
-0.000
5.000
10.000
15.000
20.000
25.000
1985 1990
GRICTEMPERATURE
*** BOUNDARY DATA ***
Desetogodišnje serije evapotranspiracijeDesetogodišnje serije evapotranspiracijenn
MM
0.000
0.010
0.020
0.030
0.040
0.050
0.060
0.070
1985 1990
MAKSIMIREVAPOTRANSPIRACIJA
*** BOUNDARY DATA ***
Petogodišnje serije mjerenja protoka na GOK-u
M3/SEK
3.0
13.0
23.0
33.0
43.0
53.0
1989 1990 1991 1992 1993
PROTOCI NA GOKU
*** BOUNDARY DATA ***
HISTORICAL DATA DHMZ-
a
HISTORICAL DATA DHMZ-
a
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REZULTATI KALIBRACIJE ZA KIŠNI DOGAĐAJ 29.07.1995. - MJERENI I SIMULIRANI NIVOI I PROTOCI NA TRI LOKACIJE(CALIBRATION RESULTS FOR THE RAIN DATED 29. 07. 1995.MEASURED AND SIMULATED FLOWS AND LEVELS ON THE THREE MONITORING SITES)
REZULTATI KALIBRACIJE ZA KIŠNI DOGAĐAJ 29.07.1995. - MJERENI I SIMULIRANI NIVOI I PROTOCI NA TRI LOKACIJE(CALIBRATION RESULTS FOR THE RAIN DATED 29. 07. 1995.MEASURED AND SIMULATED FLOWS AND LEVELS ON THE THREE MONITORING SITES)
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Flooding and pressureEXISTING SITUATION EVALUATION
0
10
20
30
40
50
60
1989
Sanitarni i indudtrijski dotok
FLOW COMPONENTS IN ZAGREB SS BASED ON LONG TERM SIMULATIONS
12%
9%
39%
40% Površinsko otjecanje
Potoci Bliznec i Vugrovec
Stanovnici
Industrija
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II PHASE - ZAGREB SS MASTER PLAN
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SHORT TERM AND LONG TERM MEASURESExisting situation
BUT ... ALL THIS DID NOT PREVENT SEVEREURBAN FLOODINGS, DAMAGES OF URBAN INFRASTRUCTURE ETC.
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BLUE GREEN SOLUTION(PROF. MAKSIMOVIC)
Blue green urban concept
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BLUE GREEN SOLUTION(PROF. MAKSIMOVIC)
Blue green urban concept
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Click icon to add picture
BLUE GREEN SOLUTION(PROF. MAKSIMOVIC)
Blue green urban concept
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BLUE GREEN SOLUTION(PROF. MAKSIMOVIC)
Blue green urban concept – example: Zagreb campus
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CONCLUSIONS – LESSONS LEARNED
STRUCTURAL MEASURES, BEING TRADITIONAL APROACH ARE IN URBAN AREAS EXPENSIVE AND CAN NOT ACCOMODATE FOR EFFECTS OF CLIMATE CHANGES
NON-STRUCTURAL MEASURES ARE HELPING IMPROVING OVERALL PERFORMANCE OF THE SS
GIS / SCADA FURTHER IMPROVES SS MANAGEMENT
BLUE GREEN CONCEPT FURTHER IMPROVES WATER / ENERGY CYCLE IN CITIES BALANCING INPUTS AND OUTPUTS, ENABLING SUISTAINABLE FUTURE
COMBINATION OF STRUCTURAL AND NON-STRUCTURAL MEASURES SUPPORTED BY BLUE GREEN CONCEPT WILL ALOW THE MOST BALANCED MULTICRITERIAL SOLUTIONS
BY IMPLEMENTING COMBINATION OF STRUCTURAL , NON-STRUCTURAL AND BLUE-GREEN MEASURES ONE CAN ACHIEVE HIGHER URBAN STANDARD, HIGHER SECURITY AND LOWER O/M COSTSProning DHI d.o.o.