Björn Jóhann Björnsson is a geological engineer with over 35 years of experience. He has a M.Sc. in Geological Engineering from the University of Idaho and a B.Sc. in Geology from the University of Iceland. He has extensive experience in dam construction, geotechnical engineering, environmental impact assessments, and other areas of geology and engineering. He is currently a consulting engineer and owner of Stuðull Consulting.

1. Page 1
RESUMÉ
Name:
Björn Jóhann Björnsson
Education:
Geological Engineer
Date of Birth:
27th
of June 1949
Period of employment:
35 years
EDUCATION:
1977
1974
M.Sc. in Geological Engineering, University of Idaho U.S.A.
B.Sc. (hons) in Geology, University of Iceland
LANGUAGES:
Icelandic, English and Danish
KEY QUALIFICATION:
Björn Jóhann Björnsson is a Geological Engineer with 30 years professional
experience in geological and engineering work. His main expertise and
experience are in the fields of geotechnical construction, construction and
consulting on earth dams, construction management, foundations, landfills, port
and coastal works. Also he has a wide experience in geological exploration and
environmental impact assessments.
EMPLOYMENT RECORD:
1986-present Stuðull Consulting, Consulting Engineer and owner
1977-1986 National Power Company of Iceland, Engineer
1973-1975 National Energy Authority, Geologist
PROFESSIONAL EXPERIENCE:
TYPE OF WORK AND CLIENT
2012-2014
2011-2012
Dams and Reservoirs
Landsvirkjun. The National Power Company
Búðarháls Hydroelectric Project 95 MW
Supervision of dam construction. Dam volume of earth and rockfill dam approx.
0,8 million m3
. Max Dam height 28 m.
Responsibility:
Quality control and inspection of fills on a daily bases
Daily supervision and decision making on grouting works
Supervision of grouting- and fill inspectors
Construction Schedule and Planning
Coordination with dam designers on variations in the work.
Landsvirkjun. The National Power Company
Blanda hydroelectric Project. 150 MW
Supervision of repairs of rip rap wave protection on reservoir dams.
Responsibility: Supervision of repair contract.

2. Page 2
2004-2007
2008
2001-2011
Landsvirkjun. The National Power Company
Kárahnjúkar Hydroelectric Project 690 MW
Construction supervision of two earth dams, including grouting works in difficult
foundations.
Sauðárdalur Dam. Dam height 27 m. Volume of fill 1,3 million m3
. Length 1000
m. Dam is founded on thick soil deposits with considerable construction
settlements (1,6 m). Following first impounding a filter blanket had to be
constructed at the downstream toe.
The Desjarárdalur Dam. Dam height 70 m Foundation grouting 1200 tons of
cement and 37 km of foundation drilling. Fill volume 2,7 million m3
. Length 1040
m. Dam founded on rock which turned out to be extensively fractured and with
several open fissures up to 1,5 m wide. Construction of a fuseplug Emergency
Spillway.
Monitoring of the above dams during first impounding (2007-2008) and
construction of remedial measures as required.
Responsibility:
Construction Project Manager with responsibility for:
Construction site safety
Quality control and inspection of fills on a daily bases
Daily supervision and decision making on grouting works
Supervision of grouting- and fill inspectors
Construction Schedule and Planning
Bills and quantities
Project reporting to Owner and final reports
Survey for quantities and settlement of fills
Negotiation of Construction claims
Coordination with dam designers on variations in the work.
Landsvirkjun. The National Power Company
Kárahnjúkar Hydroelectric Project 690 MW.
Supervison of tailwater concrete dam construction, mitigation of slope stability
problems in dam area using rock bolts and safety nets. Spillway flow
improvements in canyon. Wave protection of slopes upstream of main dam.
Responsibility: Construction Project Manager
Landsvirkjun. The National Power Company
Kárahnjúkar Hydroelectric Project.
Mitigation of environmental problems due to the operation the reservoir (57 km2
max. drawdown approximately 60 m).
Work on ideas to mitigate possible migration of sand from the reservoir onto
vegetated areas above the maximum reservoir level and to reduce dust problems.
(since 2001)
Detailed work and research in the reservoir area:
To evaluate soil type, thickness and slopes
Examination of Mitigation methods for sand and dust problems
Dredging of soils
Irrigation of soils
Dust binders
Sand fences
Sand traps

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1982-1984
1979-1981
1977-1985
Analyses of wave climate on the reservoir and possible effect and time frame of
wave erosion on the reservoir banks.
Analyses of possible wind erosion of the soils on the reservoir banks.
Analyses of evaporation of moisture from reservoir bank soils.
Site supervision of dust binding in selected areas (100-150 ha) of the reservoir in
2009 and 2010.
Monitoring of shoreline erosion and sand migrations on shore (2008-2010)
Design of shoreline erosion protection (2010).
Responsibility: Consulting and designing work
Landsvirkjun. The National Power Company
Kvíslaveita Diversion Project.
Diversion consisting of a combination of canal and dams.
Total canal excavation in soft and hard rock is 2 million m3
. Total of nine dams were
constructed. All dams have moraine core and gravel filters and shells. There off
three dams are classified as large dams with a total volume of approximately 0.9
million m3
.
These dams are:
Structure Max height
(m)
Length
(m)
Volume/1000
(m3
)
Eyvindarkvísl 20 730 300
Svartá 16 1054 240
Þúfuverkskvísl 20 430 230
Responsibility: Project Manager and Resident Engineer. Supervision, preparation
of contract documents, contract administration and quality control of all contracts
regarding the project including, grouting work, excavations, dam and road
construction.
Landsvirkjun. The National Power Company
Hrauneyjafoss Hydroelectric Project 210 MW.
Project consisting of a low long dike on lava flow. Volume of dam is 0,725 million
m3
. Crest length is 3000 m and height 15 m. Canal excavation is approximately
1,5 million m3
. Concrete approximately 70.000 m3
. Surface powerhouse with three
Francis turbines.
Responsibility: Site Engineer.
Dewatering of Powerhouse excavation (1979)
Concrete engineer (1979-1980)
Contract administration and quality control for dam construction, excavations and
shotcrete. (1979-1981)
Landsvirkjun. The National Power Company
Sigalda Hydroelectric Project 150 MW dam and reservoir.
Sigalda Dam is an earth and rockfill dam with a total volume of 1,3 million m3
. Crest
Length is 932 m and max. height is 44 m It has an upstream asphalt facing as a
sealing element. First impounding took place in 1976 and at that time high
piezometric levels in the left abutment and heavy leakages were observed and
impounding was stopped before the normal operation level of the reservoir was
reached. Concerns were raised for the safety of the Dam.

4. Page 4
1980-1985
1985
1999-2004
The normal operation level was reached in 1984 following extensive sealing work
in the reservoir and, groundwater investigations, using various methods such as
finite element modelling and radioactive tracers.
Responsibility: Supervision of dam monitoring, leakage measurement, groundwater
monitoring and modelling. Acting on behalf of the Owner in a dialog between Owner
and Designer. Supervision of remedial measures such as sealing of the reservoir
bottom, using land operations on the reservoir shores, bottom dump barges and
dredges in deeper water. (1978-1986).
Landsvirkjun. The National Power Company
Dam safety
Supervision of dam monitoring and dam inspections for the Þjórsá-Tungnaá area
(1980-1985). Wrote the first dam monitoring manual for the National Power
Company. This was based upon SEED (Safety Evaluation of Existing Dams)
manual from U.S. Department of the Interior.
Landsvirkjun. The National Power Company
Seismic Analyses of Dams
Evaluation of the seismic stability of earth dams in the Þjórsá-Tungnaá area using
dynamic methods and dynamic soils testing. Work conducted at the University of
Illinois in Chicago (1985).
Responsibility: Collection of material for testing
Supervision of insitu testing
Laboratory work, sample preparation triaxial and dynamic triaxial
testing
Evaluation of testing results
Preparing input parameters for finite element stress calculations
and Shake analyses. (Calculations of hyperbolic soil parameters
were later used as examples for such calculations in ASCE short
courses on Dynamic analyses of dams)
Report writing
Landsvirkjun the National Power Company
Hydropower reservoir shoreline erosion.
Research and monitoring of shoreline erosion at several hydropower reservoirs in
Iceland
Responsibility: Consulting work, Field investigations and shoreline erosion models.
1995-2003 Environmental Impact Statements
Several Clients
Completed and accepted impact statements involving road construction, municipal
landfills, municipal waste incinerator, rock quarries and port development.
1991-present
2005-2006
1992-2000
Landfills and Solid Waste
Reykjavík Waste Disposal Company (1991-present)
Site selection, exploration for and design of a new landfill for the Reykjavík Municipal
area. Follow up on materials testing, operational problems etc.
Calculation of groundwater flow according to Norwegian guidelines.
Municipalities in SW Iceland.
Site selection and cost estimations for a possible landfill site for SW Iceland.
City of Akureyri
Consulting work, design and contract documents for the expansion of the the city of
Akureyri Landfill. Exploration for new landfill sites.

5. Page 5
1992-2003
1992-1995
1999-2001
Association of Municipalities at Suðurnes Iceland
Evaluation of possible landfill sites in the Reykjanes area. A report prepared for the
Association of Municipalities at Suðurnes. Environmental impact statement for a
solid waste incinerator. New landfill site: groundwater, permeability of bedrock
preliminary landfill design and an environmental impact statement.
The Ministry of Environmental Affairs
A number of reports on solid waste disposal options for various areas. Work
conducted in cooperation with the Reykjavík Waste Disposal Company.
U.S. Navy
Final cover for the Navy’s landfill in Keflavík Iceland. Groundwater studies and
design work.
1986-1988
1990
1997
2000
2002
2002
2002
2010
1970-1974
1975-1976
Geological Exploration Work
Various clients
Exploration for road construction materials and geotechnical road design for the
Nesjavellir geothermal plant pipeline road.
Geological exploration work for the main dam and quarry site of the Fljótsdalur
Hydroelectric Project.
An evaluation of CPT testing in Icelandic soils a report for the Icelandic Road
Authority.
Geology of the Héraðsflói area, a report for the National Power Company.
Selection of construction materials and materials testing for the Urriðafoss
hydroelectric project.
Testing and selection of aggregates for the new Keflavík airport-Reykjavík highway
link
Evaluation of the rock quarry at Melköya at Hammerfest N. Norway.
Oakajee Port Development Australia. Preliminary design of quarry slopes and from
drillhole fracture analyses.
Geological exploration for various hydropower projects in a number of areas in
Iceland.
Geothermal exploration in Gnúpverjahreppur, Iceland.
1973-1975
1991
1995-1997
1997
1996-2000
Port and coastal work
Nation Engergy Authority
Exploration work for harbor construction in Þorlákshöfn and Grindavík, Iceland,
including selection of possible quarry sites for armour stones(1973-1975).
Reykjavík Harbour Authority
Supervision of a large underwater explosion in Reykjavík Harbour (1991).
Reykjavík Harbour Authority
Site selection and evaluation of rock quarry in Geldinganes Reykjavík. Including
yield prediction for armour stones, test quarry and environmental statement for the
quarry.
Hafnarfjörður Technical Department
Selection of quarry sites for armor stones in the Hafnarfjörður area. Evaluation of
quarry yield and environmental statement.
Hafnarfjörður Port Iceland

6. Page 6
2003
2001
2007
Development of a new harbor area with breakwater 0,5 million m3
. 400 m long quay
and facilities for two floating dry docks. Total fill approx. 1,0 million m3
.
Responsibility: Project layout
Feasibility report
General layout of area
Site exploration and material testing
Coordination of structural design
Construction Project Manager responsible for preparation of
contract documents and contract administration for all
constructions contracts. (fills, dredging, quay construction).
Hafnarfjörður Port Iceland
Fencing and security of the port area (Nuke in a box)
Installing fences and controlled access gates along with a remote surveillance
system to fulfill regulations for export to USA.
Responsibility: Contract documents for purchasing of fence and equipment.
Layout of access gates
Assistance with defining surveillance system.
Hafnarfjörður Port Iceland
Evaluation of the coastal protection for Hvaleyri Hafnarfjörður Iceland.
Responsibility: Estimating the rate of coastal recess.
Preliminary design of rock armour
Hafnarfjörður Port Iceland
Straumsvík new harbor area
Responsibility: Preliminary layout of area
Mass balance and sources of armor rock
Cost estimate
1986-present Foundation work
 Geologic exploration, foundation design and settlement estimations for a number of
structures. Clients: Various engineering firms, Building Research Institute in
Reykjavík.
 Foundation exploration and consulting for the Nesjavellir and Hellisheiði
Geothermal Plants.
1986-present Bid preparation and Work for Contractors
 Work on bidding for contracts such as dam construction and grouting works for the
Blanda Hydropower Project in Iceland. Bidding on the construction of the
Ólafsfjarðarmúli tunnel.
 Bidding for a large number of smaller jobs for various contractors.
 Claims negotiations and preparation for various contractors in Iceland. Specialized
consulting regarding geology, excavation methods and dewatering issues for
contractors for e.g. Sultartangi hydroelectric Project and Vatnsfell Project, Kvenvik
tunnel, Alta Norway, road work etc.
1986- 2008 Tunnels and tunnelling
 Various Clients

 Kárahnjúkar Hydroelectric Project. Supervision of installation of permanent support
and drainage of access tunnel to dam foundation and canyon (2008).
Kárahnjúkar Hydroelectric Project. Supervision of headrace access tunnels (2003).

7. Page 7
Feasibility studies and cost estimates for road tunnels in the Vestfirðir area (1986).
 Prefeasibility study of a road tunnel network in the Austfirðir area (1988).
 Report on the feasibility of using TBMs for the construction of road tunnels in Iceland
(1989). These studies were conducted for the Regional Development Institute in
Iceland (Byggðastofnun).
 Blanda Hydroelectric Plant (150 MW). Cost estimates for the underground works,
preparation of contract documents (1986)
1987-1990 Water Supply and Groundwater
Various clients
 Water supply exploration for the municipalities of Þorlákshöfn, Hafnarfjörður and
Egilsstaðir, and for Búfiskur and Árlax salmon rearing stations in Iceland.
1988-Present
1988
1988
1990
1991
2007
2013
2014
2014
2014
Stability of natural Slopes and Debris Flows.
M.Sc. Thesis on slope stability in Cambrian rock using stereo net techniques.
Icelandic Civil Defense Agency
 Ólafsfjördur town North Iceland. Debris flows. Causes and mitigation
 Ólafsvík town West Iceland. Study of slope stability in a borrow area.
 Bíldudalur town NW Iceland: Debris flows and mitigation methods
 Norðfjörður Studies of a possible slope failure from top of mountain

 The Icelandic Meteorological Office.
 Debris flows and rock falls in Skorradalur West Iceland
Rock falls and tourist safety in the Þingvellir National Park Iceland
Rock falls and tourist safety at Gullfoss National Park Iceland
The Environment Agency of Iceland
Slope stability and tourist safety at the Snæfellsjökull National Park
Slope stability and tourist safety at the Látrabjarg Protected Area.
1998-Present
Teaching
 Teaching of an Engineering Geology course at the Department of Geology at the
University of Iceland. Supervision of B.Sc. thesis work in engineering geology.
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