535 edge of the device if no paved shoulder exists, at a spacing of twenty -five ( 25) feet. The length of the taper shall be 150 -feet and shall end fifty ( 50) feet in advance of the device. The remaining fifty ( 50) feet leading up t o the device shall be delineated with a minimum of three
3.additional delineation devices placed inside of the inside edge of the device and tangent to the roadway. Speed monitoring trailer systems shall be located within the area of the reduced work zone speed limit, but shall not be located within or before a transition or taper.
636.20 Temporary Traffic Signal S Or Temporary Lighting :
636.20.1 Temporary Traffic Sign als: Temporary traffic signal work may involve
temporary modifications to existing permanent traffic signals or the installation of temporary signals. Temporary signal installations may entail the installation of traffic signals and associated equipment using wood pole supports, or the use of portable temporary traffic signal trailers. Individual signals or trailers at specific project Plan designated locations shall be interconnected and programmed to operate in a coordinated manner as a system. Tempora ry traffic signal work shall consist of furnishing, installing, maintaining, adjusting, and subsequent removal of various types of traffic signal components and equipment as necessary due to the maintenance of traffic plan. It shall include, but not be li mited to, temporary traffic signals and traffic signal interconnections to be installed, and temporary modification to permanent traffic signals in accordance with Section 660 and Subsection 715.42 of the Specifications. As a minimum, temporary traffic si gnals shall be equipped with three -dial fixed time controllers. When temporary traffic signals are no longer needed, they will become the property of the Contractor. Existing permanent signals shall be modified as detailed in the plans to match the traff ic pattern for each phase of construction work and shall be returned to their original condition at the completion of the project. Wood pole temporary traffic signal installations shall be in conformance with Standard Details Book Volume II sheet TES -23, Section 715.42.9.3, and Section 710.8.
636.20.2 Temporary Lighting: Temporary lighting shall consist of furnishing, installing,
maintaining, and subsequent removal of various types of lighting systems as necessary due to the maintenance of traffic pl an. It shall include but not be limited to lighting to be installed in accordance with Section 662 of the Specifications. When the temporary lighting is no longer needed, it will become the property of the Contractor.
636.21 Temporary Pipe for Maintaining Traffic :
Temporary pipe for maintaining traffic shall conform to the requirements of section 604.
636.22 : Blank
636.23 Method of Measurement :
The quantities of work done will be measured as follows:
636.23.1 Aggregate: The quantity of "Aggregate for Maintaining Traffic" will be
measured in tons of aggrega te applied and accepted. The number of tons shall be determined by the total of the weights shown on receipted railroad freight bills when materials are shipped by rail; by actual measured displacement of barges certified by the producer when water shipm ents are made, providing materials delivered by the methods are not stockpiled or stored; or determined by the Contractor from the total of
Source: West Virginia Standard Specifications for Road and Bridge Construction, 2023 Edition. Pages 555–555 of 1,006.