A global Tier 1 marine solutions provider required a NORSOK U100 compliant divers subsea habitat umbilical winch to meet a contractual commitment.   This umbilical is a combination of water, gas, electric and fibre optical lines.  No such compliant systems had been designed or built.


ITC’s engineering team reviewed the requirements and developed two concepts that would enable compliance to the U100 standard. These were discussed with the certifying authority and a workshop was held with the client to review the merits and risks of each option. Following these discussions the full design was developed and the reeler design finalised.
This design provided a means of “the habitat-umbilical shall have a quick-disconnect system on the DSV allowing for a disconnection and re-connection”. As a secondary emergency method of disconnect an overboard chute was designed with an integral


The new design was successfully built and tested in time for the clients full system integrity testing and is understood to be the first NORSOK U100 compliant and 3rd party certified diver umbilical reeler.

Client senior project manager – this was an excellent job and ITC kept us fully up to date on progress. I wish all parts of the project had been this easy.

ITC Hydraulic Services Ltd is a dynamic solution-driven company, that delivers a flexible, fast response and cost- effective service tailored specifically to the needs of our clients. Established in 1999 providing an onsite hydraulic service to the offshore, subsea, agricultural, mobile and industrial sectors and since 2012 headquartered just outside Oldmeldrum, Aberdeenshire, in a purpose-built facility. ITC’s goal is always to deliver the highest quality of service and build upon its’ established reputation for quality and flexibility.