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Preserving a beautiful site while securing tomorrow’s drinking water supply

Preserving a beautiful site while securing tomorrow’s drinking water supply

by Rachael Bower-Yekpe | Oct 22, 2026 | Water

That was the challenge behind the microtunnelling project which has just been completed on the banks of Lake Annecy. A 328 metre long curved microtunnel, using an HK AVN1200 Crossing beneath the river Thiou, the Jardins de l’Europe and the Canal de Vassé Tunnelling up...
SAFETYVAL 2026: Safety Starts by Understanding the Ground

SAFETYVAL 2026: Safety Starts by Understanding the Ground

by Rachael Bower-Yekpe | Oct 16, 2026 | Corporate

Teréga’s annual HSE event this year brought together 500+ employees and partners to focus on safer working practices. OPTIMUM again ran two live demonstrations yesterday, showing how geotechnical understanding can make the difference between safety and danger –...
Brazil’s Atlantic HDD landfall : Granite, heat, and over 1 km of HDD !

Brazil’s Atlantic HDD landfall : Granite, heat, and over 1 km of HDD !

by Rachael Bower-Yekpe | Oct 8, 2026 | Oil & Gas

Reaming operations for Equinor’s HDD landfall construction are now in full swing, and we’re incredibly proud of the role OPTIMUM has played in reaching this important milestone. With more than 1 km of HDD being constructed in the Atlantic Ocean’s granite...
HDD Innovation, Insights & Collaboration : DCA Rome 2026

HDD Innovation, Insights & Collaboration : DCA Rome 2026

by Rachael Bower-Yekpe | Oct 6, 2026 | Corporate

A great few days in Rome last week with our DCA family for the annual congress. It was an opportunity to reconnect, exchange ideas, learn from each other, and, of course, enjoy a few laughs along the way. OPTIMUM’s François Gandard was on stage again this year,...
Navigating Chalk, Silt, and Steel: HDD canal crossing

Navigating Chalk, Silt, and Steel: HDD canal crossing

by Rachael Bower-Yekpe | Jul 23, 2026 | Electricity

Proud to share the successful completion of a not-so-straightforward HDD canal crossing. Carried out with SYSTRA, on behalf of project owner RTE, the crossing will now enable the connection of Khulmann’s site in northern France. The environment for installing the 225...
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Articles récents

  • Preserving a beautiful site while securing tomorrow’s drinking water supply
  • SAFETYVAL 2026: Safety Starts by Understanding the Ground
  • Brazil’s Atlantic HDD landfall : Granite, heat, and over 1 km of HDD !
  • HDD Innovation, Insights & Collaboration : DCA Rome 2026
  • Navigating Chalk, Silt, and Steel: HDD canal crossing

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Immeuble Ottawa
Parc du Saint-Laurent
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78230 Le Pecq
France

+33 1 39 21 88 68

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