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Engineering & Environmental Research

DF Dickins Associates Ltd.

DF Dickins Associates Ltd. project photos

Projects: Marine Transportation

BACKGROUND

Dickins' marine transportation studies cover most of the world's deep draft shipping routes in ice covered regions including: the Russian Northern Sea Route, Sakhalin Island, Labrador Coast, the Canadian Northwest Passage and U.S. Arctic. Recent logistics projects include supporting the tow-out of the CIDS drilling unit from Prudhoe Bay to Russia in 2001, supporting the ExxonMobil sealift to NE Sakhalin in the fall of 2002 and creating a new ice database to support ongoing Voisey's Bay ship performance analysis. Support functions range from real-time ice forecasting and satellite image interpretation, to historical analysis of ice conditions affecting scheduling and risk.

From 1996-2004, Dickins Associates completed a number of projects related to the environmental assessment and technical feasibility of winter shipping to the serve the Voisey's Bay mining development on the Labrador Coast. Work involved shipping route investigations, ice studies, remote sensing interpretation, literature reviews and participation at community hearings. Dickins prepared chapters of the final environmental evaluation dealing with ice conditions and possible impacts of winter icebreaking.

In 1986, as part of the Worlds Fair in Vancouver, DF Dickins facilitated the highly successful International Polar Transportation Conference. Over 200 delegates attended from around the world. Their papers are contained in a two-volume set of proceedings produced and edited by the company.

Tanker operations in Tatar Strait, Sakhalin Island   Photo:  ExxonNeftegas.
Tanker operations in Tatar Strait, Sakhalin Island Photo: ExxonNeftegas Limited.

Selected Marine Transportation Projects

Review of Summer Ice Conditions Affecting Vessel Access to the High Lake Project
for Wolfden Resources, 2004

This report reviews the range of expected ice conditions and shipping seasons for ice strengthened cargo vessels serving Grays Bay, the site of a promising new mining prospect in the Coronation Gulf region of Nunavut Territory, Canada. A 1998 feasibility study into the use deep-sea vessels to serve Western Arctic communities (see project below) provided the necessary historical ice database. The earlier work was supplemented in this study by recent Canadian Ice Service data on ice clearing trends (1998 to 2003), and by searching for Landsat 7 colour satellite imagery, available since 1999. In addition, new material was developed to cover the present status of Arctic shipping regulations and possible long-term trends in ice severity related to climatic change.



Review of Summer Ice Conditions Affecting Vessel Access to the High Lake Project
USGS Landsat 7 Image of July 2, 2002, showing ice in the study area.

 

Winter Shipping Protocol for Voisey's Bay
with Westmar Consultants for Inco Ltd., 2004

This project built on the company's previous work for Inco (1996-2002) to assess the likely capabilities of different vessels in serving the mine site during the winter period. A modified form of the Canadian Arctic Ice Regime Shipping System was used to evaluate the expected shipping seasons with different levels of ice strengthening, based on previously developed ice databases.

 

Winter Shipping Protocol for Voisey's Bay
Canadian Ice Service

 

NE Sakhalin Sealift Support
for The Glosten Associates, Seattle, 2002

Dickins provided ice interpretations from available charts and tracked temperature trends in support of a sealift to offload construction equipment at Chayvo on the Northeast Coast of Sakhalin Island.

NE Sakhalin Sealift Support
D.F. Dickins

 

CIDS Drilling Platform Move
for The Glosten Associates, Seattle, 2001 (ExxonMobil, Houston)

Dickins provided seasonal ice outlooks for the months preceding the tow of the CIDS concrete drilling structure from Prudhoe Bay to Russia and provided Radarsat imagery and ice interpretations to the tow masters during the critical initial stages of the move through the Beaufort Sea.

CIDS Drilling Platform Move
Glosten Associates

 

Oil Barge Safety
for Tidewater Barge Lines, Portland, 1997-99

Dickins Associates acted as an expert advisor to the existing transportation provider in filing objections to a proposed new overland pipeline. The technical work involved comparing the relative environmental safety of pipelines and vessels for the carriage of refined products, and submitting testimony to the Energy Facility Site Evaluation Council in Olympia, Washington.

 

Sakhalin Island Oil and Gas Developments
for an oil industry client, 1995 - 1997

This project used all available satellite imagery over a 25 year period together with US Navy and Japanese ice charts. A database of historical ice conditions was created for proposed drilling locations, port sites and tanker routes.

Sakhalin Island Oil and Gas Developments

 

Beaufort Sea Logistics
for Alaska Clean Seas with SL Ross, 1998

This project evaluated a full range of logistics options to determine the most effective means of responding to an oil spill in broken ice. Part of the analysis involved predicting the latest dates that ice-strengthened barges could access offshore locations.

 

Beaufort Sea Logistics

 

Technical Aspects of Deep Draft Shipping to the Western Arctic
for the Department of Transportation, Government of the Northwest Territories, 1998

This project evaluated the feasibility of supplying ten Western Arctic Communities, now served by barge, with deep-sea vessels entering from the east or west. The report covers expected worst-case ice conditions, a worldwide inventory of ice capable commercial vessels, an evaluation of each port site, and an overview of long-term reliability using existing vessels.

 

Technical Aspects of Deep Draft Shipping to the Western Arctic
Neste OY

 

Worst Case Ice Conditions at the Red Dog Port Site
for Westmar Consultants and Simons Vancouver, 1998 and 2000

Dickins worked with structural engineering consultants engaged by Cominco to design a proposed new dock facility to handle expanded production being planned for the Red Dog mine in Alaska.

 

Voisey's Bay Winter Shipping
for Voisey's Bay Nickel Company, 1996 to 1998

DF Dickins worked with Voisey's Bay Nickel over a period of three years to evaluate the technical feasibility of winter shipping into a proposed new mine site on the Labrador Coast. Work included preparation of sections of the final Environmental Assessment dealing with the physical impacts of winter icebreaking, route investigations, ice studies, remote sensing interpretation, literature reviews, facilitating workshops and meetings on winter shipping and making expert witness presentations before the Federal Environmental Review Panel.

 

Voisey's Bay Winter Shipping
Ministry of Defense

 

Double Hull Tankers
for BC Environment Lands and Parks, 1995; Ernst & Young, 1995 and; RCG/Haglar Bailly

Dickins Associates was contracted to prepare a concise position paper for the BC Minister of Environment, summarizing the engineering, economics and regulatory issues affecting the timely introduction of double-hulled tankers on the West Coast. A particular emphasis was placed on the differences between the Canadian and American regulations governing vessel operations and design, and the expected benefits of double-hulls in reducing spill frequency and consequences.

 

Icebreaking LNG Tanker Route Evaluation
for ARCO, Exxon, BP, 1993-1994

This two-phase project involved a detailed evaluation of ice conditions along proposed shipping routes to service several LNG port options in the Chukchi and Beaufort Seas. Analytical work included extensive use of ERS-1, Landsat and NOAA imagery.

Icebreaking LNG Tanker Route Evaluation
NOAA Chart

 

Arctic Marine Spill Risk Analysis with Atomic Energy of Canada
for the Canadian Coast Guard, 1994

Dickins was responsible for developing a statistical profile of arctic vessel traffic including identification of routes, ship characteristics, and frequency of transits. Subsequent work involved a ranking of each NWT community/port in terms of spill risk.

 

Evaluation of Escort Tug Benefits
for Canadian Coast Guard (subcontract to Robert Allan Limited), 1993

This project evaluated experiences with tugs escorting tankers, and an interpreted historical accidents in three Canadian marine areas having high levels of tanker traffic: Strait of Juan de Fuca, St. Lawrence River, and the Bay of Fundy.

 

User Survey: Sea Ice Information Products
for Ice Services, Environment Canada, 1993

Thirty personal interviews were conducted with shipping companies and the Coast Guard to determine the value of sea ice products in marine operations in the Gulf of St. Lawrence and the Arctic.

 

Environmental Sensitivity and Risk Analysis along a Tanker Route
for Transport Canada (subcontract to Canarctic Shipping Co. Ltd.), 1992

Dickins Associates evaluated the environmental sensitivity of a tanker route from the Canadian High Arctic to Montreal. Human use, biological resources, special status areas, and shoreline sensitivities were evaluated on each segment of the route. The final analysis combined the potential for casualties with environmental sensitivity to arrive at a risk profile for the MV Arctic.

 

Environmental Sensitivity and Risk Analysis along a Tanker Route
Canarctic (FedNav)

 

Ice Conditions on the Western Access Route to Coronation Gulf
for Canarctic Shipping Company Limited (subcontract to CANATEC Consultants), 1992

Polynyas and lead systems were mapped from 20 years of satellite imagery, with emphasis placed on the western approach route to the Coronation Gulf, N.W.T., an area of active mining development. Overall, more than 200 maps of late winter and early spring conditions were produced to represent conditions along proposed shipping routes.

 

The Effects of Proposed New Arctic Shipping Regulations on Commercial Operations
for Coast Guard Northern, March 1991

This study called for a statistical comparison of vessel access into different Arctic areas using the existing the system of zones and dates and using the new system of ice regimes based on real-time conditions. The analysis also looked at the potential for steel embrittlement to further limit the access of commercial ships in certain areas.

 

Icebreaker Escort Database
for Canadian Coast Guard Northern (subcontract to Norland Science & Engineering),1991

The new Ice Regime Shipping Control System required development for special cases of ice navigation, such as the benefit of escorts to following vessels. Dickins obtained access to ship logs of commercial operators in order to compile data on escorts by commercial icebreakers.

 

Icebreaker Escort Database

Ice Regime Shipping Control System: Workshop
for the Canadian Coast Guard, 1990

Dickins was contracted to organize and report on the results of a workshop designed to evaluate recent experiences from voyages to validate the new ice regime system, an integral part of the proposed revisions to the CASPPR regulations governing arctic vessel design and operation in Canadian waters.

 

Northwest Passage Voyage, October 1990
for Canadian Coast Guard, Arctic Ship Safety, 1990

This voyage was the first practical test of the proposed new Ice Regime Shipping Control System onboard an industry icebreaker (Gulf Canada's MV Ikaluk). Dickins provided a team of two ice scientists to monitor vessel progress and ice conditions along a route through the historic Northwest Passage, from the Canadian Beaufort Sea to Resolute.

 

Northwest Passage Voyage, October 1990

Arctic Computer Database for Assessing Vessel Risk
for Coast Guard Northern, 1988-1989

Dickins revised over 1/2 million cell values describing year-round environmental conditions throughout the navigable areas of the Canadian Arctic. This information was used in an existing Coast Guard program to assess the frequency of vessel damage in any region of the arctic.

 

Ice Conditions in the Soviet Arctic
for Wartsila, Helsinki, 1987

This study utilized all available public sources to provide a statistical summary of ice conditions along the Soviet Northern Sea Route (Laptev Sea, Kara Sea, East Siberian Sea and Chukchi Sea). The Soviet Arctic was divided into 33 environmental zones for presentation of detailed ice statistics. Selected Defense Meteorological Satellite Program (DMSP) images were used to map leads and thin ice areas along the route.

Ice Conditions in the Soviet Arctic

 

International Polar Transportation Conference
for World's Exposition, Vancouver Canada May 1986

DF Dickins Associates organized and facilitated a major international conference of experts from around the world on transportation systems for polar regions, including themes of aviation, surface transport and marine navigation. David Dickins created and chaired a three day technical program with invited speakers. The event was highly successful with 200 participants. Dickins produced a two volume bound set of proceedings.
Publications: Marine Transportation
Conferences

 

International Polar Transportation Conference
Capt. L. Brigham

 

Chukchi Sea Transportation Study
for SOHIO Petroleum (now BP America) subcontract to Intec Engineering, 1986

This study provides a detailed description of marine climate along tanker transportation routes from the Bering Sea to the Chukchi Sea lease sale area. The information was used in technical and economic comparisons between pipelines and tanker transportation systems.

 

Ice Conditions Affecting Vessel Design and Operation
for Glosten Associates, Seattle, 1985

This study reviewed all publicly available ice information as input to the development of a new U.S. flag icebreaking offshore support vessel optimized for Bering Sea and Chukchi Sea conditions.

 

Statistical Summary of Summer Ice Conditions Affecting a Deep Draft Tow of a Drilling Structure Past Point Barrow, Alaska
for Dome Petroleum Limited, 1982

A proposed structure drawing 30 m of water was used in series of towing simulations through historical ice conditions, 1968 - 1981. Results were used to predict the success rates of completing voyages around Point Barrow.

 

Statistical Summary of Summer Ice Conditions Affecting a Deep Draft Tow of a Drilling Structure Past Point Barrow, Alaska
Canmar

 

Ice Conditions Along Arctic Tanker Routes
for Beaufort Sea Production Environmental Impact Statement (Dome/Gulf/Esso), 1981

A summary report and statistical appendix describe important characteristics of the different sea ice regimes along tanker routes east and westbound from the Canadian Beaufort Sea, through the Northwest Passage from Baffin Bay and around the coast of Alaska.
Publications: Marine Transportation

 

Ice Conditions Along Arctic Tanker Routes
GNWT

Water Resources of Western Canada - Transportation Use
for Canada West Foundation, 1980

The use of waterways within the Arctic and Hudson Bay drainage basins was examined with regard to water quality, water levels, traffic patterns and potential effects of future developments (resources, hydro-electric and highways).

 

Evaluation of a Year-Round Shipping Route to Melville Island through Fury and Hecla Strait
for Petro Canada Exploration, October 1979

This study reviewed year-round ice conditions from the north Labrador Sea through Hudson Strait to Barrow Strait (via Foxe Basin and Prince Regent Inlet) as a potential alternative to the main route proposed for Arctic Pilot Project deep draft LNG vessels.

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