606 PERMANENT TRAFFIC BARRIER END TREATMENTS

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606.01 DESCRIPTION.
Furnish, and install permanent traffic barrier end treatments.
606.02 MATERIALS.
Refer to 605.02, 701.02, 705.02, 708.02, 709.02 and the following:
End Treatments and Spare Parts Packages       As specified by the manufacturer
Antifreeze Agent       As approved
Reflectorization       950.03
Plastic Barrels (Yellow)       QPL
Crusher Run Aggregate CR-6       901.01
Sand       901.01
Portland Cement Concrete       902.10, Mix 2 and 6
Salvaged Topsoil       920.01.01
Furnished Topsoil       920.01.02
Asphalt Millings or Grindings       Size of individual particles shall be less than 2 in. as determined visually
606.03 CONSTRUCTION.
606.03.01 End Treatments.
(a) Type A System. Bury the ends of the traffic barrier, the end anchorage terminal, and the rub rail when required, in a cut slope. Excavate the slope to install these components. Upon installation, backfill the area with topsoil installed per Section 701 to match the adjacent slope, perform Turfgrass Sod Establishment per Section 708, or perform Turfgrass Establishment per Section 705 and immediately cover with Type A or Type E Soil Stabilization Matting per Section 709 as specified or as directed.
For single rail systems, use 6 ft posts throughout the entire end treatment. For double rail systems, use 8 ft posts, except for the last three posts buried in the cut slope.
Construct the end anchorage terminal using either option 1 or 2 from the Book of StandardsThe official Standards for Highway and Incidental Structures, maintained on the Administration website. The latest incorporated revisions issued on or before the date of advertisement of the Contract..
Install traffic barrier W beam as specified in 605.03.
(b) Type B System. Install according to the manufacturer’s recommendations.
(c) Type C, D, E, F, G, H, J, K, and L. Install these systems in a straight line, unless otherwise specified by the manufacturer and approved by the EngineerAny person designated by the Administrator or the procurement officer, acting directly or through his duly authorized representative, such representative acting within the scope of the particular duties assigned to him or of the authority given him.. Refer to the manufacturer’s recommendations for installation methods and procedures.
(d) Nose Section. Reflectorize as approved by the Office of Traffic and Safety.
(e) Finish Coat. Traffic barrier end treatments shall have the same finish coat as the W beam traffic barrier to which they are attached. Refer to Section 605. If end treatments are designated to be powder coated, coater shall contact the manufacturer of the end treatment for recommendations as to areas that can be coated without having an effect on the NCHRPNational Cooperative Highway Research Program or MASH crash rating.
(f) Permanent Crash Cushion Sand Filled Plastic Barrels (SFPB). Provide the components and assemble, place in the required configuration, and fill each barrel according to the manufacturer's recommendations or as specified in the Contract DocumentsThe written agreement executed between an Administration and the successful bidder, covering the performance of the work and furnishing of labor, equipment and materials, by which the Contractor is bound to perform the work and furnish the labor, equipment and materials, and by which the Administration is obligated to compensate him therefore at the mutually established and accepted rate or price. The Contract Documents shall include the Invitation for Bids, Notice to Contractors, Instructions to Bidders, Proposal, Contract Forms and Bonds, General Provisions, Specifications, Supplemental Specifications, all Special Provisions, all Technical Provisions, all Plans and Notices to Proceed, also any written Change Orders and Supplemental Agreements that are required to complete the construction of the work in an acceptable manner, including authorized extension thereof. Ensure that each SFPB is watertight and separated from other SFPB by a distance of 3 in. Place the last row of SFPB 12 in. from the shielded object.
Reflectorize the first barrel of the SFPB configuration as specified. Mix approved antifreeze agent into loose, dry sand according to the manufacturer’s recommendations, and install sand mixture in barrels.
606.03.02 Surface Adjustment. When surface adjustment is required for installation of Type B, C, D, E, F, G, H, J, K, and L end treatments, use topsoil for the surface adjustment, or crusher run aggregate CR-6, or asphalt millings or grindings, as follows.
(a) Topsoil. Complete the surface adjustments with topsoil installed per Section 701. Immediately after placing topsoil, perform Turfgrass Sod Establishment per Section 708, or perform Turfgrass Establishment per Section 705 and immediately install Type A or Type E Soil Stabilization Matting per Section 709, by the end of the day as specified or as directed prior to opening to traffic.
(b) CR-6 Aggregate or Asphalt Millings and Grindings. Complete the surface adjustment with crusher run aggregate CR-6, or asphalt millings or grindings, in designated areas as specified or as directed within 24 hours.
606.03.03 Transitions to Existing StructuresBridges, culverts, catch basins, drop inlets, retaining walls, cribbing, manholes, end walls, buildings, sewers, service pipes, underdrains, foundation drains, steps, fences, and other features that may be encountered in the work and not otherwise classified.. When transitions to existing structures or traffic barriers are required, perform the work as recommended by the manufacturer.
606.04 MEASUREMENT AND PAYMENT.
The payment will be full compensation for all excavation, removal of the existing end treatment to be replaced, fabrication of all component parts, transitions to barriers, reflectorization, backfill, compaction, topsoil, restoration of turfgrass or paved areas, CR-6 crusher run aggregate, asphalt millings or grindings, and for all material, labor, equipment, tools, disposal fees and incidentals necessary to complete the work.
606.04.01 Type A End Anchorage Terminal Either Option will be measured and paid for at the Contract unit price per each.
606.04.02 Type B C, D, E, F, G, H, J, K, and L Traffic Barrier End Treatments will be measured and paid for at the Contract unit price per each.
606.04.03 Placing Salvaged Topsoil for Grading Adjustment, or Placing Furnished Topsoil for Grading Adjustment, for Types B, C, D, E, F, G, H, J, K, and L end treatments, will be measured and paid for at the Contract unit price per square yard, or as specified. The payment will also include full compensation for furnishing, adjusting, and compacting embankment or aggregate material.
606.04.04 Turfgrass Sod Establishment or Turfgrass Establishment will be measured and paid for at the Contract unit price per square yard.
606.04.05 Type A Soil Stabilization Matting or Type E Soil Stabilization Matting will be measured and paid for at the Contract unit price per square yard.
606.04.06 Surface adjustment for types B, C, D, E, F, G, H, J, K, and L end treatments using CR-6 crusher run aggregate, or asphalt millings or grindings, will be measured and paid for at the Contract unit price per square yard, or per ton, or as specified. The payment will also include full compensation for furnishing, adjusting, and compacting embankment or aggregate material.
606.04.07 Permanent Crash Cushion Sand Filled Plastic Barrels will be measured and paid for at the Contract unit price per barrel. The payment will also include full compensation for furnishing and placing sand and antifreeze agent.
606.04.08 Repairs.
(a) Traffic Barrier End Treatment Spare Parts Package furnished and installed will be measured and paid for at the Contract unit price per each for the type specified. The payment will also include full compensation for the clearing and removal of debris and damaged unsalvageable parts, and for restoring damaged topsoil, turfgrass or aggregate.
(b) When spare parts packages are furnished by the AdministrationShall mean any one of the Administrations within the Maryland Department of Transportation, as listed in GP 1.02., Repairing Traffic Barrier End Treatments will be measured and paid for at the Contract unit price per each for the type specified. The payment will also include full compensation for all transportation, reconnection to fixed objects where necessary, and clearing and removal of debris and damaged unsalvageable parts, and for restoring damaged topsoil, turfgrass or aggregate.
(c) Payment will not be made for spare parts packages used for end treatments damaged due to the ContractorAny person having a Contract with a procurement agency. Contractor does not include an employee with an employment Contract, or an employee organization with a collective bargaining agreement.’s operations.
606.04.09 The application of fusion bonded brown polyester coating, as well as all special handling, will not be measured but the cost will be incidental to the item to which the coating is applied.