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{f IV I Y 524-9 .2 Concrete Core Ditch Blocks : The quantity to be paid for Concrete Core Ditch Blocks will be the plan quantity of concrete , in cubic yards , completed and accepted. When steel reinforcement is called for in the plans , payment will be included in the cubic yard pay item. The cubic yard pay item includes any ditch block within a grass or earth ditch, without other pavement on top . ARTICLE 524 - 10 (PAGE 659) is deleted and the following substituted : 524- 10 Basis of Payment. Prices and payments will be full compensation for all work specified in this Section, including all earthwork, skimmers , and incidental materials necessary to complete the work. Payment will be made under : Item No . 524 - 1 - Concrete Ditch Pavement - per square yard. Item No . 524- 2- Concrete Slope Pavement - per square yard. Item No . 524 - 3 - Concrete Core Ditch Block- per cubic yard. 527 DETECTABLE WARNINGS ON WALKING SURFACES . (REV 7-6-09) (FA 74049) ( 140) SECTION 527 (Pages 662 -664) is deleted and the following substituted : SECTION 527 DETECTABLE WARNINGS ON WALKING SURFACES 5274 Description . Furnish and install Detectable Warning devices on newly constructed and/or existing concrete or asphalt walking surfaces (curb ramps , sidewalks , shared-use paths , etc . ) constructed in accordance with the Design Standards Index No . 304 . 527-2 Materials . 527-2 . 1 Detectable Warning : Provide Detectable Warnings in accordance with the Americans with Disabilities Act Accessibility Guidelines (ADAAG) Section 4 . 29 . 2 - Detectable Warnings on Walking Surfaces . Use Detectable Warnings of materials intended for exterior use subject to routine pedestrian traffic and occasional vehicular traffic . Use Detectable Warnings with size and pattern shown in the plans comprised of truncated domes aligned in parallel rows in accordance with Index No . 304 of the Design Standards . Do not use detectable warnings with a diagonal pattern . 527-2 . 1 . 1 Preformed Materials : Use Detectable Warnings consisting of weather- resistant tiles , pavers or mats that are adhered to concrete or asphalt substrates and have mechanical bond or fasteners , or torch- applied preformed thennoplastic . Preformed products may be used only if listed on the Qualified Products List in accordance with 527 -2 . 4 . 527-2 . 1 .2 Field-Formed Materials : Use Detectable Warnings applied as a secondary application to the substrate . Products applied as a secondary application may be used only if listed on the Qualified Products List in accordance with 527 -2 . 4 . - 149 - FPID ( S ) : 423186 - 1 - 5 8 - O l