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