Highway Maintenance Response Time Standards

TPW - Winter Maintenance StandardsRO90 - 104/105/106 Snow and Ice Controlachieve this level of service, the Operations Supervisor shall remove snow andapply deicer as described in these Maintenance Standards.The use of deicer is to be controlled, in terms of both quantity and frequency, tomeet the specified level of service.Sand is to be applied to all roads or sections of a road designated as being inenvironmentally sensitive areas. The use of salt in environmentally sensitive areasis strictly prohibited.Sanding of environmentally sensitive areas shall take place at the beginning of astorm and shall be discontinued after 50mm of snowfall accumulation. Sandingwill normally resume after a snowfall.A summary of Level 2 service is shown in the Levels of Service Summary Table.IV. Level 3 - Centre Line Bare 1.5m to 2.5mThe defined level of service for Level 3 is a minimum centre line bare conditionof 1.5m to 2.5m wide, and is the objective to be reached as soon as possible afterthe storm has ended or abated, normally within twenty four (24) hours, and bemaintained until conditions permit baring the pavement full width. This level ofservice applies to all Local paved roads with an average daily traffic volume ofless than1,500 vehicles per day. To achieve this level of service, the OperationsSupervisor shall remove snow and apply deicer or sand as described in theseMaintenance StandardsThe use of deicer or sand is to be controlled, in terms of both quantity andfrequency, to meet the specified level of service.Sand is to be applied to all local roads or sections of a local road designated asbeing in environmentally sensitive areas. The use of salt in environmentallysensitive areas is strictly prohibited.The application of deicer or sand will normally take place after a snowfall.The application of deicer or sand may be applied at the beginning of astorm to hills, turns, intersections or railway crossings or wheregeographically conditions require.A summary of Level 3 service is shown in the Levels of Service SummaryTable.December 1, 2001