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2. Glossary of Terms
| ACAS | The Advisory Conciliation and Arbitration Service. |
|---|---|
| Agent | See Section 4.2. |
| Central reserve | An area separating the carriageways of a dual carriageway road |
| Client | The organisation for which the work is being carried out e.g. the Highway Authority. |
| Contract specification | i) Manual of Contract Documents for Highway Works: Volume 1: Specification for Highway Works or as specifically required in the contract documents, ii) Contract specific appendices, iii) The Contract Drawings |
| Contractor | This is a general term for an individual or organisation with whom a contract is made and therefore has various meanings within the document. |
| Designer | See Section 4.3. |
| Frontager | An individual or organisation occupying a property which faces onto a highway. |
| Health and Safety Plan | See Section 3.4 and Appendix B. |
| Highway Authority | The organisation responsible for the highway under the terms of the Highways Act 1980, Sections 1 to 3. |
| Incident | An event that warrants a report or action. See Sections 3.5, 5.4.21 and Appendix C. |
| Live carriageway | Lane(s) or carriageway(s) carrying traffic other than site traffic. |
| Method Statement | A document which details how particular tasks will be carried out - See Section 5.7.2 |
| Personal Protective Equipment (PPE) | See Section 6.6 |
| Planning Supervisor | See Section 4.4 |
| Principal Contractor | See Section 4.5 |
| Project Designer | See Section 4.3 |
| Risk Assessment | See Section 5.7.1 |
| Safety Zone | An area between the works and moving traffic kept clear of all obstructions and personnel to help to secure the safety of site workers. |
| Site Supervisor | See Section 4.6 |
| Special Signs Authorisation | An Authorisation of a traffic sign issued under Section 64 of the Road Traffic Regulation Act 1984. |
| Tidal flow layout | A temporary traffic management layout which includes a reversible traffic lane. |
| Traffic Regulation Order | Order made by the appropriate Authority under the Road Traffic Regulation Act 1984 |
| Traffic Management Contractor | The Contractor or sub-contractor responsible for the implementation, maintenance and removal of the temporary traffic management |
| Traffic Management Designer | See Section 5.3 |
| Type Approval | Statutory Type Approval issued by the Highways Agency in accordance with the Road Traffic Regulation Act 1984 and Traffic Signs Regulations and General Directions 1994. |
| Type A works | These are those works which are allowed to remain in operation in all traffic flow and visibility conditions. |
| Type B works | Works which are allowed to remain in operation when the traffic demand is less than the available carriageway capacity when the works area is in place, and visibility is good. |
| Type C works | Type C works are similar to Type B works, but traffic signs used are essentially vehicle mounted, although some static signs may also be required. |
