RP Signalling Ltd provides a service supplying an experienced railway signal engineer specialising in GRIP 1 through 4 signalling development work, CRE Duties and Design Management from commencement through to Approval in Principle. They have experience in a range of early GRIP projects from minor upgrades and renewals through to major re-signalling and multi-discipline projects. Deliverables on these projects include signalling scheme plans, sketches, project specifications including assessments of existing signalling systems, site surveys, production of design logs, initial signal sighting reports, signal spacing, headway and TPWS effectiveness calculations.RP Signalling Ltd can provide staff with project experience within the railway environment allowing them to ensure that signalling work is delivered safely, efficiently and to programme. They have CEM, CRE and Lead Signalling Engineer experience, responsible for the engineering activities and deliverables. They are able to interact with other disciplines and provide a co-ordinated and efficient approach as demonstrated in projects where they have delivered concept designs for new depots, new and upgraded stations, replacement of life expired equipment, new electrification, high speed railway including the interfaces with conventional signalling.