Specifications include, but are not limited to: 1. All items shall be of a type approved by the PennDOT, for which a Certificate of Approval has been issued to the manufacturer and are listed in Publication 35 (Bulletin 15) prior to bid opening. 2. Any bid submitted by a vendor whose product is not Bulletin 15 approved, will be rejected as non-responsive. 3. The following additional requirements shall apply: a. Barrier Delineators i. Sufficient adhesive, brackets, bolts, screws, or other fastening device of the type recommended by the manufacturer shall be provided with all orders. b. Non-Plowable Raised Pavement Markers i. Temporary chip seal markers shall be provided with a pressure sensitive adhesive strip on the base and a cover over the reflective area which can be removed easily.