Diver ‘Bees and Gator ‘Bees Work Together for ELCAS Build

By MC2 Taylor Mohr, PHIBCB 2 Public Affairs

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Utilitiesman 1st Class (SCW/DV) Ken Massey and Construction Mechanic 2nd Class (SCW/DV/EXW) Adam Griffin divers assigned to Underwater Construction Team (UCT) 1, assist the divers with pre-dive checks prior to conducting Rapid Penetration Testing (RPT).  The purpose of the test is to check the geological stability of soil prior to driving piles used to support the Elevated Causeway System (ELCAS), a modular pier system that is used to move vehicles and equipment efficiently from ship to shore. (U.S. Navy photos by Mass Communication Specialist 2nd Class Taylor Mohr/150714-N-IM663-008)

Seabees and Sailors assigned to Underwater Construction Team (UCT) 1, and Amphibious Construction Battalion (PHIBCB) 2 worked together to conduct Rapid Penetration Testing (RPT) in support of the upcoming Elevated Causeway System (ELCAS) build.

The purpose of RPT is to evaluate the geotechnical properties of a soil for building support foundations used to support the ELCAS.

“RPT hasn’t been performed since the last ELCAS build, back in 2011,” said Lt. Cmdr. Daniel Lutz, the training officer assigned to PHIBCB 2. “During my time as the executive officer of UCT 1, in 2009 to 2011, we never performed any RPT. It’s interesting that now I am at PHIBCB 2 I finally got to dive and get hands on with it.”

Seabee qualified divers use underwater hydraulic tools to make sure that the piles used to support the ELCAS are securely driven into the soil to a depth in which they will be stable enough to hold the entire system up.

“Being tasked with RPT really forces us to pull together multiple capabilities all at once. In my eyes, using hydraulic tools is what underwater construction is all about,” said Steelworker 1st Class Ryan Dohse, the dive supervisor for the operation assigned to UCT 1.

The divers conducted operations off a PHIBCB 2 Improved Navy Lighterage System (INLS) causeway ferry. Divers worked alongside PHIBCB 2 Sailors to conduct the operation. PHIBCB 2 sailors made sure the INLS craft were properly positioned and anchored to ensure the divers had necessary positioning.

“The platform was nearly ideal for our diverside setup,” said Dohse. “There was plenty of deck space and we appreciate that, especially when we have our hydraulic setup.”

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Divers assigned to Underwater Construction Team (UCT) 1 use the BR-67 hydraulic tool while conducting Rapid Penetration Testing (RPT).  The purpose of the test is to check the geological stability of soil prior to driving piles used to support the Elevated Causeway System (ELCAS), a modular pier system that is used to move vehicles and equipment efficiently from ship to shore. (U.S. Navy photos by Mass Communication Specialist 2nd Class Taylor Mohr/150714-N-IM663-004)

 

 

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