Articles in this issue

TASS (Turbidity Assessment Software) has been developed to address a need recognised by the dredging industry that the quality of predictions of the effects of dredging for Environmental Impact Assessments must be improved. Shown here, the results of TASS models are being validated by the Survey vessel Corvus, conducting experiments in the plume of a trailing suction hopper dredger (see page 14).
Terra et Aqua 125 – complete issue

Read the complete issue containing articles, upcoming events, an interview and book review.

DOWNLOAD PDF Document | 3,1 MB
Underwater Sound in Relation to Dredging (CEDA Position Paper)
Underwater Sound in Relation to Dredging (CEDA Position Paper)

The sea is full of fish and aquatic mammals “talking” to each other. Do the sounds of dredging disturb this communication?

DOWNLOAD PDF Document | 1,24 MB
Validation of the Tass System for Predicting the Environmental Effects of Trailing Suction Hopper Dredgers
Validation of the Tass System for Predicting the Environmental Effects of Trailing Suction Hopper Dredgers

Models created by researchers using innovative software have been tested and validated by monitoring trailers during dredging operations.

DOWNLOAD PDF Document | 2,05 MB
“Work Safe” – An Innovative System of Safe Work Practices (IADC 2011 Annual Safety Award)
“Work Safe” – An Innovative System of Safe Work Practices (IADC 2011 Annual Safety Award)

Employees lead the way in safety awareness and in finding practical tools for use “right here and right now” resulting in greater overall on-the-job safety.

DOWNLOAD PDF Document | 1,39 MB
When is an Escalation Clause Necessary? Dealing with Price Fluctuations in Dredging Contracts
When is an Escalation Clause Necessary? Dealing with Price Fluctuations in Dredging Contracts

Unexpected costs resulting from fluctuations in prices for raw materials,fuel and labour can add extra financial risks for dredging contractors and clients.

DOWNLOAD PDF Document | 944,84 KB
TASS (Turbidity Assessment Software) has been developed to address a need recognised by the dredging industry that the quality of predictions of the effects of dredging for Environmental Impact Assessments must be improved. Shown here, the results of TASS models are being validated by the Survey vessel Corvus, conducting experiments in the plume of a trailing suction hopper dredger (see page 14).
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Published December 2011