Five Dredge and Marine – Basics to building a seawalls

Five Dredge and Marine starts by researching any local permits, special codes or regulations that may by needed to follow or apply for. This is a major part for any commercial or residential project. By doing this Five Dredge & Maine is ensured that you’ll be able to complete your project in full compliance without interfering with the environment in and out of the water.

Typically a seawall can be on a lake, river canals or a beach. The structure is made of concrete, sheet piles, built adjacent to the shore at the points between the beach and the mainland or dune, to protect the land area against wave action and prevent erosion. Seawalls are usually massive structures designed to resist storm surges small and large.

Five Dredge and Marine’s beginning steps to build a seawall.

Five Dredge and Marine basics to build a seawall begins by checking whether the seawall needs permits or have regulations to follow varies based on location. Some require Department of National Resources, some Army Corps permits and some just local permitting.

Before Five Dredge & Marine gets started, we need to know types of seawall materials needed.  Seawalls come is many different forms and prices vary depending on what materials are used. The type of materials selected typically takes into account the demands of the environment. A small canal makes use of lighter, shorter products, whereas oceanfront or intercostal  requires stronger and are driven deeper.

We will then use a drive guide to help keep the sheets in alignment with each other during the sheet driving process. Assembling a drive guide before you begin installation of a seawall provides a precise wall position during installation. The drive guide is important to ensure a straight and firmly placed wall.

Five Dredge and Marine use the Z panel sheets, sheets are driven side by side. This speeds up install time and helps your sheets stay in alignment during the driving process.  We continue building by installing front or back walers utilizing carriage bolts or all-thread (AT) rods to secure. Tie rods should be secured through the front and the back of your waler. Once through your waler, the tie rod should be attached to a deadman behind the wall as seen below. This area will then be backfilled to cover the tie rods and deadman.

Five Dredge & Marine will finish the seawall with the installation of the cap ( concrete or wood).

These are a few of Five Dredge & Marine’s basics to build a seawall.

Feel free to contact Five Dredge & Marine for your seawall needs.

 

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