Hughes Sub-Surface Engineering » Asset and Scour Protection

Asset and Scour Protection

Hughes Sub Surface Engineering Ltd. have extensive experience with the installation of concrete link-lok mattresses for Cable Protection. Concrete Mattress Installation is an efficient option for protection services, and can be installed through utilising one of the following options:

Diver Installation

W-ROV Installation

HSSE’s Specialty ROMIT system

Diver Installation

The first option for Mattress installation involves the deployment of highly trained divers to assist with each mattress lay. Health and Safety is at the forefront of every operational procedure, and as such, diver tracking and mattress visibility are key factors for a successful installation procedure. Hughes SSE have undertaken multiple diver installation campaigns, and all have been deemed completely incident free.

W-ROV Installation

Mattress installation can also be used with a W-ROV in place of a diver. Preference for the W-ROV over the diver option is dependent on site information, depth etc.

ROMIT Installation

The ROMIT (Remotely Operated Mattress Installation Tool) which can be seen pictured, has several advantages:

High tidal operational range

Shallow water operation possible from DP

Quick and easy operation with the ability to deploy +4 mattreses an hour

Divers are not required during the installation process

The ROMIT is a Hughes SSE designed tool, and as such is only available to Hughes SSE clients at this stage. For more information on the ROMIT system please contact Ian Hughes on 0151 922 2023.

We also specialise in the installation of pre-fabricated concrete structures for crossovers and the installation of  scour protection mattresses (Frond Mats).

Frond Mats can be used to great effect both inshore and offshore in the installation of cables, and also to stabilise scour on the sea bed and inshore for riverbank erosion.

Hughes SSE has also devised techniques that allow rapid installation of concrete mattresses along cable routes and crossovers.