promoting climate resilient rural infrastructure in northern vietnam
TRANSCRIPT
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Promoting Climate Resilient Rural Infrastructure in
Northern Vietnam
ADB Technical Assistance Project TA 8102-VIE : Introduction
April 2016James Ramsay, Team Leader/Bioengineer
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River erosionBac Kan
The problem: riverbank erosion
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River erosionBac Kan
The solution: expensive engineering
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The problem: failing rural roads
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Rural road
Poor design, little maintenance
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Rural roadBac Kan
The solution: expensive engineering
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Concrete revetment: $ 33 / sq. m
Is there an alternative?
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Bioengineering: $ 6 / sq. m
Yes! (in many cases)
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Examples of riverbank protection works: gabions
• RIVERBANK PROTECTION IDEAS
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Riprap and bioengineering• RIVERBANK PROTECTION IDEAS
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Geotextile and grass• RIVERBANK PROTECTION IDEAS
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Bac Kan• RIVERBANK PROTECTION IDEAS
Live willow fencing
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Vetiver grass on river bank
Before After
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Vetiver grass on dyke in Vietnam
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Community participation
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Roads: typical cutslope needingslope protection measures
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Integrated solutions: hard and soft engineering
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Nepal:Road 13N, Km 316.6 before treatment
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Nepal:Road 13N, Km 316.6 after treatment
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Laos
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Project StructureGRANT LOAN
MARD
APMBCPMU
DARDs
PPMUs
45 sub-projects
3: TA8102-VIE
ADB GEF
4 demonstration sites
UNDP ADB
1, 2, 4, 5: UNDP
Sub-project Management
UnitLIC
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Demonstrations: where?
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SP4 Bac Kan
Thanh Mai site
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Thanh MaiSP4, Bac Kan Province:
Thanh Mai
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Initialconditions:
bank erosion affecting rice fields
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SP4: conventional solution
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SP4: demonstration of low-cost alternatives
SP4 Bac Kan: immediately after Installation - 22 April 2015
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SP4: demonstration of low-cost alternatives
SP4 Bac Kan: 5 months growth14 September 2015
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SP32 Son La
Thom Mon
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Existing conditions
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Irrigation infrastructurein poor condition
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Farmers protecting their land using local knowledge
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Replacement weir
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Riverbank protection demonstration
SP32 Son La: May 2015
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Riverbank protection demonstration
SP32 Son La: June 2015
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SP32 Son La: 10 September 2015
Riverbank protection demonstration
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SP31 Son La: site for roadside demo
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SP34/35 Thai Nguyen:site for roadside demo
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Capacity building:Technical Core Group, workshops
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Workshop fieldwork
SP32 Son La: 05 November 2013
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TA 8102-VIE: 2016 Plans• Construction of 2 roadside demonstrations• Roadside bioengineering workshop• Monitoring• Evaluation of effectiveness & lessons learned
workshop• Recommendations - training curricula etc.
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SP4 Bac Kan : 29 May 2015
Biophysicalmonitoring
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Technical surveys for design ofroadside demonstrations
Thai Nguyen – Deo NhauDCP survey – 29 August 2015
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Thank you!