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TRANSCRIPT
WETLAND PROJECTService Learning of Faculty of Science
University of Colombo
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What is a Wetland ??
➢ A Wetland is a land area that is saturated with water , either permanently or seasonally , such that it takes on the characteristics of a distinct ecosystem
➢ Depth is generally not more than six meters
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Why Are Wetlands Important ?
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Nature Park Vs Urban Park
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• Secure the wetland and improve it for its expected benefits.
• Secure the life and ecosystem of the wetland.
• Create an educational environment in the wetland.
• Success as a nature trail. (wetland park)
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• Build the proposed bridges as an entrance to the wetland.
• Clean and develop the dam
• Complete the nature trail at least up to the watch tower.
• Build the watch tower
• Implement benches and other resting places.
• Implement information boards.
• Arrange activities for children and adults.
• Clean the canal and other water resources.
• Replace plants to improve the value of the wetland.
• Educate the near residencies about the value of the wetland.
• Ensure the safety of the implemented facilities.
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Methodology
Phase 1
● Discussions about the project
outline and project activities.
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Methodology
Identified Threats:● Attitude of the residents.● Invasive fauna and flora.
o Pond Apple. o Thilapia.o Knife fish.
● Unauthorized constructions on the wetland premises.
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● Initial cost for the project was calculated.
● Required labour and equipment:
● Pontoon / Boat ● 4 to 5 labourers to clear the path
and operate the Pontoon/across the canal.
● Two Knives and two sickles ● Boots 8 pairs
Methodology
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Geographical Map of the Kolonnawa Marsh
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● Identification of the wetland entrance.
○ Three possible entrance were identified.
○ At each entrance following key factors were collected and analyzed.
■ Ease of access.
■ Lower disturbance.
■ Car park facilities.
■ Wetland environment of the selected area.
Phase 2
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Entry point –Option 01
Phase 2
● First option: from the border of the Madinnagoda temple.
● The biodiversity of the associated area was observed and noted down.
● Temple
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Entry point –Option 02
Phase 2
● Second option: was to use the area near new Madinnagoda road (near the Harward dam area)
● Due to illegal residents and with the constraint of our limited 6 months time frame and political background.
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Phase 2
Entry point –Option 03
● Third option was to use Gamage watte (near the new gothatuwa road) area.
● It is a highly populated area and relatively less polluted than the option 01 and 02.
● Then the environmental factors of the area were analyzed.
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Phase 3
● Drawing up the design specifications.
● Time frame: 6 monthsActivities :● Board walk● Watch tower● Tarzan rope / High ropes● Step path● Information boards● Design benches● Design study area● Design bridge● Design an Entrance
● Finally the project proposal was presented.
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Phase 4
Coordinate and Manage wetland study park Creation.
● Pre-treat the dry and wet weather stormwater flows.
● Remove unwanted pond apple trees and replace other wetland plants.
● Restoration of the canal.
● Do all the development WITHOUT any harm to the ecosystem.
● SLLR&DC provided 6 labourers to carry out the work.
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Results
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Entrance
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Entrance :
OptionsMadinnagoda
TempleMadinnagoda
RoadGamage Watta
EasyAccess
Disturbance
Car Parking
WetlandDiversity
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Bridges
Problem:● Continue the paths across the canals● An eco-friendly solution needed.
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The Solution
● A bridge made up with logs.
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Access path
● Need a path to the wetland study area
Options● Step path● Boardwalk
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Access path
● Step path using logs
● Minimum disturbance
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Research area
● A Place to facilitate Researches
● Also act as resting places
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● Need a way to observe Different Diverse areas
● With minimum disturbance to the wetland
Walk path
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Sketches
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Reduce Soil ErosionCover the wetland from outside
Planting Bamboo and Kaduru Trees
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Before After
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Information Boards
● Functions of the Wetland
● Importance in preserving Wetlands
● Biodiversity within the Wetland
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Horizontal Board
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Sinhala
English
ImagesClear Background&Interesting Design
Vertical Board
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● Optimal height for birdwatching● Can observe the wetland
Watchtower
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Research on Pond Apple
● Find out where the pond apple trees
have invaded
● What would be the replaceable trees
● How it could be done
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● Map the entire area and identify the important locations
● Identify most suitable locations for future developments
● Submit a report to the authorities on future phases of the project
Overall Research on Wetland
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Labour Handling & Budget Control
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● Most difficult part of the project
● A Supervisor, an Architect and an
Assistant Engineer to Supervise
appointed for the site
● 8 labors worked
● 6 days per week
Labour Handling
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Description Unit Qty Rate Amount
1 Cleaning the canal bank and surroundings Days 37 1190 44,030.00
2 Planting small plants at canal bank (Kumbuk, Bamboo, Ariconut)
Days 30 1190 35700.00
3 Supply and transporting Plants Nos 20 1000 20000.00
4 Cleaning the walking path Days 32 1190 38,080.00
5 Rubble packing in marshy areas of the foot path m3 5 2000 10000.00
6 Supply and fixing of vertical timber posts for waiting areas I,II,III
Nos 35 3150 110250.00
7 Labour for fixing the timber posts Days 21 1190 24990.00
8 Constructing timber bridge m 6 2250 13500.00
9 Watering the plants Days 21 1190 24,990.00
10 Transporting labours and materials from tractor Days 104 900 93,600.00
Total 415,140.00
Budget of the Project
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Problems Faced
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Problems Faced
❖No clear specification about the project at the beginning.
❖Requirements changed rapidly throughout the time.
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Problems Faced
❖Couldn’t mark the key project areas in the initial visits due to GPS problems.
❖ Lack of information about the wetland ➢ No proper research done previously.➢ SLLRDC only had maps taken from google.
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Problems Faced
❖ Agreed project scope turned out to be infeasible.➢ No soil research done previously.➢ Limited time.
❖ Identification of the actual project area was too time consuming.
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Problems Faced
❖Difficulties faced when exploring the project area.
High plant density
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Problems Faced❖Difficulties faced when exploring the project
area.
Small canals Muddy surface
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Problems Faced
❖ Safety issues.
➢ Crocodile and snakes
➢ Sinking in mud
➢ Unsafe pontoon
and boat rides
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Problems Faced
❖ Labour issues.
➢ Idling due to lack ofsupervision provided
➢ Low productivity
➢ Being absent
➢ No motivation due to heavy work load
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Problems Faced
❖Delay of material consignments and labour.
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Problems Faced
❖ Implementing structures with minimum damage to the wetland
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Problems Faced
❖ Falling behind the schedule due to flood issues.
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CONCLUSION
Our Project● Kolonnawa Wetland Park project : DEVELOPMENT, DESIGN and
IMPLEMENTATION of the first ever wetland park in Sri Lanka
Main Aspects Of The Project ● Restoration of the kolonnawa marsh to a tidal wetland,● Enhance the Economic value of Kolonnawa Area● Provide a facility to the environmentalists and students to
conduct their researches etc...
Mainly We Needed To
“restore the Kolonnawa Mash so it becomes a destination for people to enjoy. ”
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THE JOURNEY
To Start Off with “The Idea Was To Build A BUTTERFLY GARDEN”
But At The End Idea Of “ WETLAND PARK “ Won the most Votes
The Whole Project Was Divided Into 2 Phases.Phase 1 : Develop the necessary facilities to conduct the RESEARCH
Phase 2 : Research , Design Specifications And the Implementation.
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PHASE 1 (OUR ACHIEVEMENTS)
Targets And Objectives Of Phase 1
1) Bridge on the canal bank:
2) Access path to the inner wetland:
3) Inner wetland research area and study area:
4) Wetland Walk:
5) Planting Bamboo and Kaduru Trees:
6) Information Boards:
7) Phase 2:
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WHAT WE GAINED IN THIS JOURNEY
SKILL WE GAINED
1) We Improved Our Leadership Skills.
● We had take lead on the field so the employees also get motivated.
● We made them feel important, ● we gain their willingness to work for us. ● We asked for their advice. ● We collected facts and data before planning
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2) We Improved Our Communicational Skills.
● Communication was Important to us
● We always asked questions.
● That way the employees are focused on the objective.
● We listened to others point of view and understood them.
● We communicated with different levels people in different ways
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3) We Improved Our Listening Skills.
● we always listened to what others had to stay.
● We always gave them the chance and even if we did not agree
● By listening we always managed to see many other different views
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4) We Improved Our Teamwork.
● Teamwork is what kept us going
● We got to know each other.
● We created bonds and backed each other up
● We worked together to get through problems.
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Our Presentation Skills
● We created advertising boards
● we improved our graphics skills
● we improved our graphical presentational skills
● and we improved our english presentational skills
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