al gurm vacuum sewer system
TRANSCRIPT
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AL GURM RESORT DEVELOPMENT
VACUUM SEWERAGE SYSTEM
Prepared by:
V.Ramesh Kumar
Mott MacDonald Ltd.
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ContentsContents
• Introduction
• Project Salient
• Principle of Function
• Comparison with Gravity System
• Integrated Layout
• Individual Component
• Site Photograph/Activities
• Conclusion
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INTRODUCTIONINTRODUCTION
• Vacuum Sewerage System is a Mechanized system of wastewater transport, unlike gravity flow.
• It uses the differential air pressure to move the wastewater.
• It requires a central source of power to run Vacuum pumps which maintains vacuum on the collection system.
• The system requires a normally closed Vacuum interface valve at each entry to seal the lines so that vacuum is maintained.
• The resulting differential pressure between atmosphere and vacuum becomes the driving force that propels the wastewater towards the vacuum station.
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Project –Al Gurm Resort Project –Al Gurm Resort
SALIENT FEATURESSALIENT FEATURES
The Project Includes Vacuum Sewerage system
• Pipe Length : 2.5 km Approx
• Types of pipes : HDPE(SDR 13.6 &11)
• Diameter Used : 90/125/180/200mm
• Peak Flow : 13.2 lit/sec
• Types of Flow : Negative Pressure(-0.64 to -0.75)
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Project –Al Gurm Resort Project –Al Gurm Resort
SALIENT FEATURESSALIENT FEATURES
• DEVELOPER : ALDAR
• CONSULTANTS :
- Consultant (Design) : M/s Dar Al Handasah
- Consultant (Supervision) : M/s Dar Al Handasah
- Consultant Overseeing) : M/s Mott MacDonald
• CONTRACTOR - M/s Six Co.
• Specialized Contractor
- METCO
• Estimated Project Cost : AED 8.65 MILLIONS
• Start Date : Jan 2010
• Completion Date : Sep 2010
• Project Status : Completed
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PRINCIPLE OF FUNCTIONPRINCIPLE OF FUNCTION
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INDIVIDUAL COMPONENTINDIVIDUAL COMPONENT
• Interface Valve
• Isolation valve
• Vacuum Pump
• Vacuum Vessel
• Discharge Pump
• MCC
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Interface ValveInterface Valve
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Division/Isolation ValveDivision/Isolation Valve
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Vacuum PumpVacuum Pump
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Vacuum Vessel & Discharge PumpsVacuum Vessel & Discharge Pumps
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MCC (Motor Control Unit)
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INTEGRATED LAYOUTINTEGRATED LAYOUT
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Comparison with Gravity SystemComparison with Gravity System
Factor’s Gravity Vacuum
Pipe Diameter Large (>160) Small (80-250)
Trenches Deep Shallow
Excavation Complicated and long term Simple and fast
Leakage Possible Impossible
Manholes Required No manholes, inspection pipes only
Machinery required Heavy machinery Simple machinery
Cost High Cost Low compare to gravity)
Storm Water Can Collect Cannot Collect
Distance Long Distance Short Distance
Biofilter Not Required Required
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SITE ACTIVITIESSITE ACTIVITIESVacuum Chamber at Site.Vacuum Chamber at Site.
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Sump/Collection ChamberSump/Collection Chamber
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Interface Valve ChamberInterface Valve Chamber
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Valve Display Monitoring PanelValve Display Monitoring Panel
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Vacuum StationVacuum Station
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SITE ACTIVITIESSITE ACTIVITIES
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CONCLUSION……….CONCLUSION……….
• The VSS helps not only to protect the environment, but at the same time to reduce the costs for the installation.
• It improves the hygienic conditions and will raise the living standard of the population
• This system can be installed quickly as compared to gravity system.
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THANK YOU !!!THANK YOU !!!