Positive Protection. Define “unanchored or anchored portable concrete barrier” as portable concrete barrier (PCB) that meets Standard Drawing No. 1170.01 of the 2012 Roadway Standard Drawings. Define “concrete barrier” as unanchored or anchored PCB or an approved equal. Define “temporary guardrail” as temporary steel beam guardrail that meets Standard Drawing No. 862.02 of the 2012 Roadway Standard Drawings. Refer to the 2012 Standard Specifications. Anchor Pins 1056-2 Concrete Barrier Materials 1170-2 Flowable Fill, Excavatable 1000-6 Geotextiles 1056 Grout 1003 Portland Cement Concrete 1000 Select Material 1016 Steel Beam Guardrail Materials 862-2 Steel Plates 1072-2 Steel Sheet Piles and H-Piles 1084 Untreated Timber 1082-2 Welded Wire Reinforcement 1070-3 Wire Staples 1060-8(D) Provide Type 6 material certifications for shoring materials in accordance with Article 106-3 of the 2012 Standard Specifications. Use Class IV select material (standard size No. ABC) for temporary guardrail. Use neat cement grout for Type 2 grout for ground anchors. Use Class A concrete that meets Article 450-2 of the 2012 Standard Specifications or Type 1 grout for drilled-in piles. Provide untreated timber with a thickness of at least 3" and a bending stress of at least 1,000 psi for timber lagging. Provide steel bracing that meets ASTM A36.
