10a - msma
TRANSCRIPT
Department of Civil Engineering University of Malaya
Course Code :KAEA 2155
Course Name :Water Resources
Chapter 10 :Stormwater Management Manual/
Manual Saliran Mesra Alam (MSMA)
Prepared By :AP. Dr. Lai Sai Hin
Jalan Sultan Ismail
Flood
Dataran Merdeka
Area
Jalan Dang Wangi
Jalan Melaka near Masjid Jamek
station
Flood in Kuala Lumpur on 13 June 2007
Curative
• River Widening and Deepening
• Bunding
• Flood Mitigation Reservoir
Flood Mitigation Strategies
Curative
• River Widening and Deepening
• Bunding
• Flood Mitigation Reservoir
• Flood Retention Pond
Flood Mitigation Strategies
Curative
• River Widening and Deepening
• Bunding
• Flood Mitigation Reservoir
• Flood Retention Pond
• River Diversion
Flood Mitigation Strategies
Curative
• River Widening and Deepening
• Bunding
• Flood Mitigation Reservoir
• Flood Retention Pond
• River Diversion
• Pump House
Flood Mitigation Strategies
Expenses for Flood Mitigation Projects
Rancangan Malaysia / Malaysian Plan Perbelanjaan ( Million RM)
Rancangan Malaysia ke 7 (1996-2000)
Rancangan Malaysia ke 6 (1991-1995)
Rancangan Malaysia ke 5 (1986-1990)
Rancangan Malaysia ke 4 (1981-1985)
Rancangan Malaysia ke 3 (1976-1980)
Rancangan Malaysia ke 2 (1971-1975)
850
449
210
164
56
16.5
Mil
liom
Expensed for Flood Mitigation
0
1000
2000
3000
4000
5000
6000
RM2 RM3 RM4 RM5 RM6 RM7 RM8
Proposed Budget
Impact of Development
Development
0 40 %
Surface Runoff, Q
Increase 190 %
Flow Velocity, V
Increase 2x
• Storage
• Increase of Infiltration - gravel drain/ Swale
- pervious pavement
- Subsurface Conveyance/ Buried Drains
New Approach
Urban Stormwater Management Manual
For Malaysia
Explained the
concept of Control
at Source
Provide Guidelines
Provide Examples
MSMA (DID, 2000)
MSMA2 (DID, 2012)
Advantages
Environmental Friendly
Safety
Avoid Accumulation of garbage
Slow Down/ reduce runoff to river
Advantages
Environmental Friendly
Safety
Avoid Accumulation of garbage
Slow Down/ reduce runoff to river
More empty space/ green area