STREETSCAPE GUIDANCE

23.02.2016 Views
HOME INTRODUCTION PART A A vision for London’s streets PART B From strategy to delivery PART C New measures for new challenges PART D Balancing priorities PART F Appendix PART E Physical design and materials SECTION 6 Introduction SECTION 7 High quality footways SECTION 8 Carriageways SECTION 9 Crossings SECTION 10 Kerbside activity SECTION 11 Footway amenities SECTION 12 Safety and functionality SECTION 13 Street environment SECTION 14 Transport interchanges Streetscape Guidance [Part E – Physical design and materials] Safety and functionality 262 Figure 262: Pillars should be placed away from pedestrian desire lines Feeder pillars within grass verges should have a hard standing paved surround to enable convenient access. Design • Designers are encouraged to use cabinets which minimise the visual and physical intrusion of the feeder pillar in the street • The size and type of pillar should be selected based on its functional requirements: small pillars for where a site supply is not metered, large pillars where it is metered, and generator connect pillars where supported by an external generator • The colour of the utility cabinet should be a black finish throughout London. Consideration may be given to the provision of non-standard finishes where there is an alternative palette of surrounding street furniture • All hinges and locks should match the colour and finish of the main unit • Pillar doors must be fitted with standard keys to allow distribution network operator (DNO) and maintenance engineer access • Where equipment is fixed to a shared column and systems contain low voltage circuitry, for electrical safety reasons this will require the power for all equipment to be supplied from the same source, with each having a separate isolator • A large feeder pillar may have to be used to accommodate the extra equipment Additional information British Standards: BS 7671: Requirements for Electrical Installations

HOME INTRODUCTION PART A A vision for London’s streets PART B From strategy to delivery PART C New measures for new challenges PART D Balancing priorities PART F Appendix PART E Physical design and materials SECTION 6 Introduction SECTION 7 High quality footways SECTION 8 Carriageways SECTION 9 Crossings SECTION 10 Kerbside activity SECTION 11 Footway amenities SECTION 12 Safety and functionality SECTION 13 Street environment SECTION 14 Transport interchanges Streetscape Guidance [Part E – Physical design and materials] Safety and functionality 263 12.8. Variable message signs Variable message signs (VMS) are designed to provide greater flexibility than standard road signs to inform users of changing network conditions. The display of temporary information can be used to alter customer behaviour, assist in improving traffic flow and network operation, alerting customers to: • Congestion conditions along a corridor • Construction and maintenance schedules • Special event notifications • Weather warnings • Incident notifications The variable messaging system is controlled remotely and enables the sign to show mandatory and/or advisory information depending on local, real-time requirements. VMS are now being installed as permanent structures across major arterial routes and high roads. They may also be installed on a temporary basis during roadworks or planned events. The installation of these signs can positively influence behaviour and may assist them to achieve quicker and safer journeys. Figure 263: Variable message sign (VMS) when not in use They are particularly effective for roads which provide an important strategic function on the network, helping to maintain good network performance by offering useful information. Location VMS are generally large units which can significantly impact on the visual character of the streetscape. Design teams should consider the scale of the signage relative to other streetscape elements and identify whether the network performance benefits of integrating a VMS into the street are outweighed by the impact on quality of place. When locating signs in conservation areas please consult with the local authority conservation officer. VMS are costly to install and should be prioritised where issues of safety have been identified on the network. In conservation areas the use of VMS should be limited. On arterial motorway routes, with road speeds of 40mph or more, two VMS signs displaying the same legend should be implemented where possible. The location should be selected based on site specific data collection requirements regarding safety, traffic speeds, existing signage, road capacity and the location of utilities. VMS units can be attached to existing structures.

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