This article was written by Marco Finelli for publication in Airliner World. Click the link below to read the article.
RMIPA’s Environmental Mitigation Revetment (EMR) Project, previously called the revetment project, is almost a year into its construction phase since the issuance of the Notice To Proceed. The main purpose of the project is to construct a new revetment wall along the existing lagoon coastline from the airport terminal eastward to the water reservoirs, as shown on the photo below.
The area was unprotected prior to the implementation of the EMR project. The lack of revetment protection in the area has caused significant erosion due to sea level rise and other environmental factors, not to mention flooding of the existing road during kind tide events.
Included in the project will be construction of public access ways over the revetment to the beach. This feature was added so that the public can have easy access to the beach. In addition, covered picnic facilities equipped with picnic tables, barbecue and refuse facilities, will also be constructed for the public’s use.
The contractor for the project is Pacific International Inc. and the construction management services is provided by Beca International Consultants. Ltd.
The current completion date of the EMR is June 2016.
Earlier in calendar year 2015, the RMIPA engaged the services of LYON Associates and their sub-consultant, Sea Engineering, to performed a complete underwater inspection of both the Uliga and Delap Docks on Majuro Atoll. This inspection included a visual inspection, a removal of growth at the waterline, mid-depth, and mudline at 100-ft intervals along the length of the dock, and ultra sound thickness and cathodic protection tests for the entire length of both docks. In addition to the underwater inspection, LYON performed an above water inspection of the concrete decking and appurtances along the Uliga and Delap Docks.
The results of the inspections identified various deficiencies along the dock face (at and below the waterline) as well as the top of the dock structure. Here are a couple of some of the underwater deficiencies or damages.
The RMIPA will soon issue a tendering notice for the repairs of the docks. “It is our intention to bid out the entire repair works as one package but with a phasing plan prioritizing each repair, from most to least urgent,” RMIPA Director Jack Chong-Gum said. The tendering approach should result in a possible reduction in overall repair costs.
Work is underway to install a new TSA-compliant security fence on the ocean side of the runway at Amata Kabua International Airport. The fence design was changed to aluminum chain link due to the corrosive environment of the island. This should ensure an extended life for the fence and that minimal maintenance is performed on the fence. The length of the new fence is approximately 8700 feet.
An additional component of the project is to effect repairs to the concrete wall, also located on the ocean side of the runway. Back in June of 2013, sections of the concrete wall were destroyed by huge waves during a king tide event. “When these sections fell down, a lot of debris and sea water covered the runway, which forced the RMI Ports Authority to temporarily shut down the airport due to safety reasons,” said RMIPA Director Jack Chong-Gum.
Both the fence installation and wall repairs are currently scheduled for completion in early May 2016, provided there are no unforeseen issues come up during the construction. Updates will be posted as necessary.
The contract for the project is Pacific International Inc. AECOM is the consulting firm selected to oversee construction activities of the project.
An enjoyable article to read on the Micronesian Region’s unique Island Hopper Service. The article was published in Airliner World, August 2015, and authored by Mr. Marco Finelli. Click here to read the article: AWL Micronesia Article