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G+ reports growth in drop incidents on offshore wind farms

By WPED Staff | July 29, 2020

Dropsafe, a drop prevention solutions manufacturer, has called for a more systematic approach to tackling drops throughout the offshore wind supply chain. This follows the publication of 2019 data by the G+ Global Offshore Wind Safety Organisation showing an overall rise in reported drop incidents in the sector.

Dropsafe maintains that rather than focusing drops prevention exclusively on retroactive on-site mitigation strategies such as secondary securing, drop risks must be considered throughout the full lifecycle of a wind turbine fleet — from design and manufacture of equipment to installation, operations and maintenance and decommissioning.

The G+ 2019 incident data report, released in July, shows that in 2019 there were 92 drop incidents, representing an increase of 44% from 2018. This upward trend has been attributed to improved reporting but underlines the severity of the threat to offshore wind personnel, alongside the reputation and financial standing of businesses in the sector.

High potential incidents decreased compared to the previous year, with 38% of drop incidents classified as high potential in 2019 compared to 61% in 2018.

Dropsafe has drawn parallels to the experience of businesses in the offshore oil and gas industry, which saw a comparable trend in drop incidents 20 years ago. The offshore drilling sector subsequently took action to “self-regulate” on drop risks. Industry working group DROPS was formed to facilitate systematic action on drop prevention, leading to an advanced, supply chain-wide culture of drop prevention.

In particular, while drop prevention technologies such as secondary securing, barriers, netting and tool tethering are vital, DROPS advocates a hierarchy of controls that starts with designing equipment and processes in such a way that risks are minimized before these systems need to be installed.

“It’s encouraging to see these statistics being reported and analyzed as they show that the wind industry is building a solid foundation in dropped object prevention,” said Allen Smith, DROPS Global representative. “As we would expect, the highest proportion of incidents occurred during lifting operations — followed by manual handling and routine maintenance.

“One of the key things we advise is that dropped object prevention must be considered holistically, using a robust hierarchy of controls. For example, planning work schedules more effectively to minimize the number of lifts would have a big impact and would be a key line of defense.”

Offshore wind sees a similar range of drop risks to offshore oil and gas. Vibrations from the operation, corrosion from seawater and strong winds can cause components to come loose from their fittings and fall, potentially striking assets, vessels or personnel below. Technicians routinely work at height, carrying tools to raised areas.

With the height of turbines and the size of components continuing to grow, Dropsafe warns that the consequences of drops are scaling up proportionately. According to the G+ data, nearly half of drops occurred on wind turbines, raising the risk of asset damage which can lead to costly repairs — 8% of incidents did cause asset damage.

“Effective Drops prevention needs to encompass the entire supply chain, and has both a mental and physical component,” said Mike Rice, commercial director, Dropsafe. “Using robustly engineered prevention systems on-site is vital, but what we try to foster is a deeper understanding of the hazards from the bottom of an organization to the top. The offshore wind sector has a major opportunity to take the initiative on Drops by following the open and collaborative approach which has been so successful in oil and gas.”

The G+/DROPS Reliable securing booklet for offshore wind was published in 2019 and can be accessed here. Dropsafe has also published a whitepaper on best practice drop prevention in the wind industry. “The Neglected Hazard” can be downloaded here.

News item from Dropsafe


Filed Under: News, Safety, Services
Tagged With: dropsafe
 

About The Author

WPED Staff

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