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Landslide Studies &
Services Division
Projects carried-out by LSSD
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Project I - Landslide Hazard Mapping
Programme (LHMP) |
Sri Lanka is frequently affected by
hydro-meteorological and related disasters such as Cyclone,
Flood, Landslides, Storm Surge, Drought, Coastal Erosion and
Epidemics.
Landslides which are often
triggered by intense heavy rains are an increasing problem due to
development activities and urbanization. In Sri Lanka, there are
major areas in seven districts (Nuwaraeliya, Badulla, Ratnapura,
Kegalle, Kandy, Matale and Kalutara) which are prone to landslide.
with the technical and financial assistance from UNDP/UNCHS
Landslide Hazard Mapping in Badulla and Nuwaraeliya districts had
been carried out by the NBRO. Preparation of hazard maps for
Ratnapura and Kegalle districts was completed by NBRO and the Kandy
District Mapping is in progress under the Government Grant.
The main objective of the LHMP was to
identify areas vulnerable to landslide hazard and establish good
engineering practices in planning and construction through
consultancy services, creation of public awareness, introduction of
guidelines to ensure proper construction procedures with the
ultimate aim of landslide hazard mitigation.
Project Schedule
|
Phase |
District |
Schedule |
| I |
Badulla & Nuwara Eliya |
Completed in 1995 |
|
II |
Kegalle and Ratnapura |
1996 - 1999 |
| III |
Kandy & Matale |
2000 - 2004 |
|
IV |
Kalutara |
2005 - 2007 |
|
Actual Progress of the Project
|
District |
1:10,000 Scale |
1:50,000 Scale |
| Badulla |
800 sq.km |
|
|
Nuwara Eliya |
400 sq.km |
1900 sq.km |
|
Ratnapura |
720 sq.km |
3300 sq.km |
|
Kegalle |
720 sq.km |
1700 sq.km |
|
Kandy |
800 sq.km |
1900 sq.km |
|
Matale |
1000 sq.km(in progress) |
2060.5 sq.km |
Project Proposal
- downloadable in
pdf format click here

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Project II - Sri Lanka Urban
Multi-hazard Disaster Mitigation Project (SLUMDMP) |
SLUMDMP has been established on the
initiation of the
Asian Disaster Preparedness Center (ADPC) as one of the projects
under the Asian Urban Disaster Mitigation Program (AUDMP) funded by
the USAID. Partner agencies are NBRO,
Urban Development
Authority (UDA),
Centre for Housiong
Planning & Building (CHPB) and ADPC. (technical output from NBRO
and UDA)
Phase I - Establishment of
sustainable public and private sector mechanisms for disaster
mitigation in Sri Lanka
Duration - 1st October 1999 to 29th
February 2000
Budget Allocation
- US $ 285,000
Outputs
- Development of multi-hazard and
vulnerability mapping for Ratnapura Municipal Council,
Nawalapitiya Urban Council and Kandy Municipal Council.
- Mitigation action plan for Ratnapura MC
and Nawalapitiya UC.
- Emergency Management Response Plan for
Ratnapura MC.
- Publishing of guidelines for construction
in disaster prone areas.
- Institutionalization of natural disaster
mitigation training.
- Public awareness including school
programmes in the Sabaragamuwa Province, Nawalapitiya UC, etc.
- Institutionalization of integration of
disaster mitigation in the planning process.
Phase II -
Replicating Stage
Multi-Hazard Mitigation
- Natural Hazard Mitigation Unit in the
proposed Physical Planning Authority and implementing
resolutions of the Policy Workshop
- Converting of construction guidelines
into building codes.
- Awareness for professionals on building
codes.
Training and Public Awareness
- Further training on Planning Guidelines
for UDA Planners
- Natural Disaster Mitigation (NDM-2)
training by CHPB
- Natural Disaster Mitigation (NDM-3)
training by CHPB
- Natural Disaster Mitigation training by
SLIDA
- School teachers programme - Post
evaluation
- School teachers programme -
Publish hand book
Information & Networking
- Development of web pages for CHPB and
NBRO
- Publish guidelines for planning in
disaster prone areas developed by the UDA

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Project III - Investigation on instability of the area
around Kotmale reservoir and application of stabilization
techniques to a selected soil mass |
Duration - 3 years starting
from December 2001.
Grant - Rs.986,625/- funded
by National Science Foundation
Objectives
- To prepare a detailed engineered geological map of the area
around Kotmale area.
- To monitor the rate and direction of soil creeping into the
reservoir with respect to the climatic changes, ground water level
fluctuations and pattern of the annual precipitation.
- To detect the earth tremors induced by the minor and major
mass movements taken place in and around the Kotmale reservoir.
- To stabilized a selected unstable portion of the reservoir
abutment with the use of advanced engineering and non-engineering
methods.
- To implement remedial measures to avoid damages to human lives
and their property due to s sudden over flow.

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Project IV - Resettlement procedure in
the Upper Watershed based on the Landslide Hazard Zonation |
Duration - 6 months
Grant
- 4.7 Million funded by
Upper Watershed Management Project, Ministry of Forestry and
Environment Objectives
- Identify the areas prone to landslides in the upper watershed
and to categorise them in accordance with the risk level i.e. high
risks, moderate risks and low risks.
- Carry-out detailed field investigation in the areas at high
risks of landslides and map them in an appropriate scale.
- Identify the lands which have to be protected from human
activities and to implement stabilization measures in order to
avoid possible slope failures and to relocate the affected
communities.
- Cary-out a socio economic survey in order to establish
suitable resettlement procedure and/or to control the human
practices on hill slopes with the introduction of slope
stabilization measures and reservoirs.
Note : This project is yet to
be commenced. Awaiting Ministry approval..
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Project V -
Establish 2 community projects on Landslide Preparedness in
Nawalapitiya Urban Council Area |
Duration - One year
starting from 30th October 2001.
Grant
- Rs.713,812.50
funded by the Intermediate Technology Development Group (ITDG)
Task of the Project
- Risk reduction of Dolosbage rockfall.
- Improvement to drainage system in Dolosbage and Soysakelle.
- Prevention of forest fire in Dolosbage.
- Introduction of systematic land-use practice.
- Conducting a skill development programmes for persons
engaged in the construction sector of Nawalapitiya.
- Establishment of a suitable toe protection method to
Soysakelle landslide.
This project is conducted with the co-operation
of Human Settlements Division.

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