Abstract: Devices, assemblies and methods for fixing a telecommunications cable. In certain embodiments, a cable fixation unit that can clamp a cable jacket also includes legs having feet that are mountable to a slotted support structure by inserting the feet into the support structure's slots in a sequence of motions.

Abstract: One or more seal retention clips can be used to retain a perimeter seal within a perimeter groove defined by a fiber optic enclosure housing. Certain types of seal retention clips can include portions that embed or bite into the housing of the enclosure, and/or embed or bite into the perimeter seal. In certain examples, the seal retention clip includes tabs or teeth that assist in engaging the housing and the perimeter seal. In certain examples, the seal retention clip defines a channel for receiving the perimeter seal.

Abstract: A riser column particularly for use in deep water comprises a central tube connectable by its lower end to a submerged installation, for example a well, and including means permitting the central tube to oscillate relative to the installation, and connected at its upper end to a suspension table associated with a surface support, for example a platform, and bearing support means intermediate its ends at a level below that at which waves are effective, and a plurality of satellite tubes arranged around the central tube, each satellite tube having a bottom part extending from the intermediate support means to the submerged installation and a removable top part extending from the support means to suspension table and releasably connected to the bottom part thereof for withdrawal from the column following disconnection of the column from the installation, for example, in the event of a storm.