Tailings Management Tailings Management SystemsSystems

STATE OF PRACTICE SERVICES

U N D E R S T A N D I N GT A I L I N G S

Our teams of skilled engineers and scientists embrace the challenge of working with clients to address the unique needs of each project. We utilize over 60 years of experience to develop a plan to successfully navigate each stage of the project lifecycle.

60 YYYEEEEARRRRS OFFFF EEXXXPPPERIENCCE WITH TAILINGSSSOLUTIONNNS INNN AALLLLLL TTTTYYYYYPEEEEESSS OOOOFFFFF EEENNVVIROOOONNMMMEEEENNNNTTTTTSSSSSS

PROPERTIE

S

RESEA

RCH

DAM TYPES

TECHNOLO

GY

LINER

S

PERMITS

RISK RED

UCTION

KCB was among those to revolutionize modern tailings facility design fi fty years ago, and our engineering approaches remain a hallmark of international practice. Today we continue our pioneering role through coupling our mine waste designs with environmental, socioeconomic, and water management solutions. We have worked on hundreds of mining projects worldwide, including some of the largest tailings projects developed.

OVER 40 SENIOR STAFF WITH OEXPERIENCE WITH ALL ASPECT

OF40YEARSEXPERIENCE

BRYAN WATTS, P.ENG.Chairman

40YEARS OFEXPERIENCE

LEN MURRAY, P.ENG.President & CEO

40YEARS OFEXPERIENCE

HARVEY MCLEOD, P.ENG., P.GEO.Vice President, Strategic Marketing

30YEARSEXPERIENCE

LAWRENCE CLELLAND, P.ENG.Senior Civil Engineer

OF

35YEARSEXPERIENCE

BILL CHIN, M.ENG., P.ENG.Senior Geotechnical Engineer

OF

OVER 1,000 PERSON YEARS OF TS OF TAILINGS MANAGEMENT

HOWARD PLEWES, P.ENG.Vice President, Mining Environmental Group

25YEARS OFEXPERIENCE

BOB CHAMBERS, P.ENG.Director, Business Development

25YEARS OFEXPERIENCE

BRETT STEPHENS, P.ENG.Manager, Oil Sands

25YEARS OFEXPERIENCE

STEVE FLYNN, MIEPNGManager, Engineering, Australasia

20YEARS OFEXPERIENCE

TAILINGS EXPL A R G E C O P P E R P R O J E C T SO I L S A N D SM A S S I V E S U L P H I D E A N D N I C K E L M I N E SU R A N I U M A N D R A R E E A R T H M E T A L ST A I L I N G S T E C H N O L O G I E S

ERIENCE INTEGRATED ENGINEERING

DESIGN, FROM THE ARCTIC

TO THE TROPICS

RECENT PROJECTS DAM TYPE DAM HEIGHT (M) DESIGN STAGE

Oyu Tolgoi, Mongolia

Morrison Copper, B.C., Canada

Bell-Granisle Copper, BC

Kerr-Sulphurets, B.C., Canada

Highland Valley Copper, B.C., Canada

Gibraltar, BC, Canada

Resolution Copper, Arizona, U.S.

Greens Creek, Alaska, U.S.

La Granja, Peru

Tasiast, Mauritania

A-Tailings Area, Ontario, Canada

P- and M- Tailings Areas, Ontario, Canada

Strathcona Mine, Sudbury, Ontario, Canada

Dome Mine, Timmins, Ontario, Canada

Strathcona Mine, Sudbury, Ontario, Canada

Tulsequah Chief, B.C., Canada

Montanore Copper, Montana, U.S.

Fruta del Norte, Ecuador

Tampakan Copper, Philippines

Wolverine, Yukon, Canada

Selwyn Zinc, Yukon, Canada

Potasio Rio Colorado, Argentina

Hidden Valley Gold, Papua New Guinea

Ok Tedi Copper Gold, Papua New Guinea

Bougainville, PNG

Suncor, Alberta, Canada

Fort Hills, Alberta, Canada

Jackpine, Alberta, Canada

Muskeg River, Albian, Alberta, Canada

Myra Falls, B.C., Canada

Construction

Feasibility –EA

Pre-feasibility

Feasibility –EA

Annual construction

Annual construction

Pre-feasibility

Annual construction

Alternatives assessment

Feasibility, detailed design & construction

Seismic upgrade & detailed design

Seismic upgrade & feasibility design

Detailed design (for closure)

Annual construction

Detailed design (for closure)

Tender

Permitting

Feasibility

Feasibility

Construction/operations

Feasibility

Permitting and detailed design

Construction/operations

Annual construction

Scoping level

Annual construction

Feasibility

Feasibility

Construction

Inactive

Rockfi ll

Cycloned sand

Cyclones sand

Cycloned sand

Cycloned sand

Cycloned sand

Cycloned sand

Dewatered tailings

Cycloned sand

Rockfi ll

Unclassifi ed tailings

Classifi ed tailings

Earthfi ll and tailings

Earth and rockfi ll

Earthfi ll and tailings

Lined earthfi ll

Cycloned sand

Rockfi ll

Rockfi ll

Lined earthfi ll

Earth and rockfi ll

Earthfi ll

Earth and rockfi ll

Dredged tailings

Cycloned sand

Sand

Sand

Sand

Sand

Paste

80

120

90

235

160

150

130

50

200

35

35

40

15

35

15

15

90

65

300

25

100

40

80

50

175

60

70

60

70

30

D A M E X P E R I E N C ETAILINGS & WATER

EARTHFILL

HYDROPOWER

ROCKFILL

CONCRETE

ASPHALT

WATER STORAGE AND HYDROELECTRIC DAMS

Mica

Terzaghi

John Hart

Benne

Cleveland

Site C

TEAMS TECHNOLOGIESI N T E G R A T E D

ELECTRICAL

MECHANICAL

ENVIRONMENTAL

GEOSCIENCE

SOCIALOur integrated engineering, science and socio-environmental consultation teams study, design, build and close projects in the mining and energy sectors.

S T

SUSTAINABILITYKCB is committed to sustainability in our business operations and professional services, and we publish our progress in an annual Sustainability Report. We strive to balance social, environmental and economic considerations to meet the needs of our clients, the community, our employees and other key stakeholders.

Our business is governed using an integrated management system consisting of quality, health and safety, and environment (QHSE) procedures. Our management system meets the requirements of the ISO 9001, ISO 14001 and OHSAS 18001 standards, steers our business conduct and the manner in which we undertake our projects. We are committed to continually improving the eff ectiveness of our IMS in collaboration with our employees and clients.

For many of our key clients we subscribe to subcontractor management systems and ensure that our health, safety and quality documentation comply with their requirements. We maintain good standing with PICS, ISNetworld, Contractor Qualifi cation Network, ComplyWorks and BROWZ.

QUALITY

ISO 9001

HEALTH & SAFETY

OHSAS 18001

ENVIRONMENT

ISO 14001

QUALITY, HEALTH & SAFETY AND ENVIRONMENT

Klohn Crippen Berger (KCB) is a leading engineering, geoscience and environmental consulting fi rm with its head offi ce in Vancouver and 9 offi ces in strategic locations in Canada, Peru, Australia and the UK. We have over 60 years of participation in some of the largest and most challenging engineering projects in the world and are typically working on projects in over 20 countries. KCB off ers a full range of services in oil and gas, mining, environment, water, power and transportation sectors. We have a strong reputation for quality service and the capacity to support a practical “on-the-ground” approach.

2014

CIRCLE OF

EXCELLENCE

ABOUT KCB

Our commitment to excellence is the driving force behind everything we do and as a result, we are the recipient of over

50 awards for business leadership and project innovations. Our projects stand the test of time and we continue to work

on many sites that we helped develop decades ago.

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www.klohn.comwww.klohn.com

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OFFICE LOCATIONSOFFICE LOCATIONS

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Australia

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