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STANDARD SPECIAL PROVISION FOR <br />CDOT UTILTY. ACCESS OR SPECIAL USE PERMITS <br />I . Compliance With NCHRP 350 Crashworthiness Certification for Work Zone Traffic Control Devices <br />Work zone devices designated by FHWA as category I, including but not limited to single-piece drums, tubes, cones <br />and delineators shall meet NCHRP 350 crash test requirements. The Permittee, or their contractor, shall obtain and <br />make available upon request, the manufacturer's written NCHRP 350 certification for each type of category I device. <br />Work zone devices designated by FHWA as category II, including but not limited to barricades, vertical panels with <br />light, drums or cones with light, portable sign supports, intrusion detectors and type III barricades shall meet NCHRP <br />350 crash test requirements. However, the Permittee may use category II devices originally purchased prior to <br />October 1, 2000 in accordance with Table 1, presented below. The Permittee, or their contractor, shall obtain and <br />make available upon request, the manufacturer's written NCHRP 350 FHWA Acceptance Letter for each type of <br />category II device, or shall certify that the category II device was originally purchased prior to October 1, 2000. <br />Work zone devices designated by FHWA as category 111, including but not limited to concrete barriers, fixed sign <br />supports, crash cushions, and other work zone devices not meeting the defnitions of Category I or II shall meet <br />NCHRP 350 crash lest requirements. However, the Permittee may use category III devices originally purchased <br />prior to October 1, 2002 in accordance with Table 1. The Permittee, or their contractor, shall obtain and make <br />available upon request, the manufacturer's written NCHRP 350 FHWA Acceptance Letter for each type of category <br />III device or shall certify that the category III device was originally purchased pdor to October 1, 2002. <br />Work zone devices that do not meet NCHRP 350 requirements shall not be used after the phase out date. <br />FHWA Acceptance Letters for Category II or Category Ill Work Zone Devices may be accessed through the FHWA <br />website at htto://safetv.fhwa.dot.oov/roadway depUroad hardware/wzd.htm. <br />Table 1 <br />Phased Implementation of Work Zone Devices <br />• <br />WORK ZONE DEVICES COMPLIANCE DATE PHASE OUT DATE <br />Cate o I October 1, 1998 for new installations. N/A <br />Category Il October 1, 2000 for new installations. All devices must be in <br /> Existing devices may be used until compliance by <br /> service life is exhausted or until phase- January 1, 2006. <br /> out date, whichever comes first. <br />Category 111 October 1, 2002 for new installations. All devices shall meet <br /> Existing devices may be used until NCHRP 350 <br /> service life is exhausted or until phase- compliance by <br /> out date, whichever comes first. January 1, 2006. <br /> Exce bons: see below <br />Category III Exception: Units manufactured and purchased after N/A <br />Temporary Concrete Barriers October 1, 2002 must meet new <br />- New Standard: T e 7 F-sha a standard. <br />Category III Exception: October 1, 1998 for new installations NA <br />Truck-mounted Attenuators $ Work <br />Zone Crash Cushions <br />t <br />• <br />