Underwater Magazine -September/October 2013 - (Page 32)

repair Emergency Repair at Sewerage Plant IN 2012 SUPERSTORM SANDY REAPED havoc on many coastal areas in New Jersey and other states along the East Coast. Located on Raritan River, the Sayerville Sewerage Plant was damaged during the storm and as a result was dumping raw sewerage into the river. Understanding the critical nature of this damage, the sewerage plant authorities officials immediately set the wheels in motion to get this resolved as quickly as possible. The inspection and repair of the sewerage plant was fast tracked to prevent further contamination. Hydro-Marine was contacted on a Sunday and began work on that Tuesday. Access to the site was classified as confined space and all OSHA/ADCI regulations governed. A five person dive crew, HazMat personnel and an EPA representative were on site during all operations. The dive crew included the primary diver, standby diver, tender, communication operator and dive supervisor. The standby diver was required to be fully suited and waiting adjacent to insertion point while the tender was required to be suited in protective clothing and gloves to protect against contamination. A chain fall leverage system attached to a tripod was anchored above the vertical access shaft and used to lower and raise the diver into the area to inspect and repair the damage. As a safety precaution a second tripod system was on reserve for the standby diver. Hydro-Marine divers performed the inspection by diving into 26 feet of raw sewage to remove large debris and an existing ladder. The existing gate was found to be broken and causing the leakage into the river. A new 6,000 pound gate was installed to seal the leakage. The positioning of the gate required precise installation (1/16 inch clearance). Once the gate was installed, the leaking was stopped, and the Authority was able to pump out the sewerage and gain access to begin further repairs. Hydro-Marine and HazMat crew members worked closely together to ensure all safety precautions and decontamination procedures were adhered to during the project. After the dive operations were completed the dry suites, umbilicals, harnesses, and gloves were disposed of as part of the decontamination process. It is unfortunate that accidents happen but as we found out, mother-nature is at times unforgiving. However it is heartening that people are so willing to come together and work hard, no matter the conditions, to ensure the safety of the public. This operation was a team effort by all parties and our thanks go out to the Sayreville Sewerage Authority, the EPA, the US Army Corps of Engineers, Kemron Environmental Services and all individuals involved for making this project a success. Although the job of working inside raw sewerage may not be palatable for most, or to anyone really, we all do what we must to get the job done. It was a dirty job but someone had to do it. Hydro-Marine Construction Co., Inc. www.hydro-marine.com 32 UnderWater SEPTEMBER/OCTOBER 2013 http://www.hydro-marine.com

Table of Contents for the Digital Edition of Underwater Magazine -September/October 2013

Board of Directors
President’s Message
Executive Director’s Message
Jascon 4 Rescue
Croc Country
Saturation Diving and Microbes
Commercial Diver Training Requirements
Emergency Repair at Sewerage Plant
California High Schools Prevail in International Student Underwater Robotics Competition
Revolutionary PileJax™
Safety and Efficiency through Automation
Diver Gas Management in the Bell
Unique System LLC (USA) Completes the Upgrade to the Ranger Offshore, Inc. HOSS-1, 6-Man SAT System
New Gear
Underwater Intervention 2014
New ADCI Members
Index to Advertisers
2014 ADCI Scholarship Fund Raffle

Underwater Magazine -September/October 2013

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