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General Provisions (00100-00999)

530Flaggers must be certified by passing an American Traffic Safety Service

WV · 2023 Standard SpecificationsBook pages 550550View official source ↗

530 Flaggers must be certified by passing an American Traffic Safety Service Association (ATSSA) training. The Contractor may use noncertified flagger for their benefit , ease of operations , or other activities not receiving payment.

636.11.2 Traffic Director: Traffic Director shall be an off duty uniformed police

officer in properly identified police vehicle with blue lights. The traffic director shall be from police agency which will have territorial jurisdiction over the project limit s. Any officer outside of their vehicle within the roadway right of way, while serving as a Traffic Director, shall be outfitted in a Type P vest meeting the requirements of the latest version of ANSI/ISEA 107.

636.12 Temporary Impact Attenuating Device :

This device shall be a “stationary crash cushion” as described within Section F.82 of the manual “ Manual on Temporary Traffic Control for Streets and Highways, 2006 Edition ”. Devices utilized shall be listed in the applicable Class category on the Agency Impact Attenuators – MASH Approved Products List (APL). The type of Impact Attenuator utilized shall be a Test Level 2 or 3, Class 1 or 3 Impact Att enuator as defined in and meeting the requirements of Section 715.41, and as specified in the Plans. If space permits, a Test Level 3 device may be utilized where a Test Level 2 device is specified. Test Level 2 devices shall not be utilized on roadways wi th normal posted speed limits greater than forty (40) MPH. Only Class 1 devices noted on the APL as being approved for temporary work zone use may be used. All approved Class 3 devices are for temporary or emergency use only. In cases where a Class 3 devic e is specified, the array shall be properly designed for the obstacle to be shielded and shall be winterized in accordance with the manufacturer recommendations. Class 3 device arrays shall be designed for a minimum of forty -five (45) MPH for Test Level 2 and a minimum of sixty -five (65) MPH for Test Level 3. All Temporary Impact Attenuating Devices shall be installed and maintained fully in accordance with the specifications and recommendations of the device manufacturer. This shall include, but shall no t be limited to, lateral slope and changes to lateral slope within the length of the device, anchoring (base to be anchored to as well as the anchoring system), backup, attachment to the obstacle being shielded, transitioning to the obstacle being shielded , winterization, delineation, repair, and cleaning. Impacted devices shall be maintained and returned to full impact capacity in a timely manner. Beginning 12 hours from the time and date upon which the Contractor is given documented notice of damage to an Impact Attenuating Device requiring repairs, the Contractor shall be subject to a penalty of $1,000 per Calendar Day (24 hrs.), or fraction thereof, until the necessary repairs are completed. This penalty shall not be temporarily suspended for any reaso n and shall apply regardless of the cause of the damage to the device. All labor, equipment, and materials required for the repair of impact attenuating devices shall be incidental to Bid Item 636060.

636.13 Channelizer Cones :

If specified in the project plans, Channelizer Cones may be utilized for channelization of traffic in lieu of drums. Note, when used for closures that will be in effect at night, these devices shall be spaced at a maximum of fo rty (40) feet where a spacing of fifty (50) feet is normally called for in the Traffic Control Manual. In addition, the maximum spacing of these devices in all lane or shoulder tapers, day or night, shall be twenty -five (25) feet. Traffic control setups ut ilizing

Source: West Virginia Standard Specifications for Road and Bridge Construction, 2023 Edition. Pages 550550 of 1,006.