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E <br /> 527-3 Installation Procedures . <br /> 527-3 . 1 Surface Preparation and Installation : Prepare the surface in accordance with <br /> the Detectable Warning manufacturer ' s recommendations . Install Detectable Warnings in <br /> accordance with the manufacturer ' s instructions , using materials and/or equipment recommended <br /> and approved by the Detectable Warning manufacturer . Ensure that all installations are made in ' <br /> accordance with the manufacturer ' s installation drawings referenced by the QPL. <br /> a <br /> 527.4 Method of Measurement. <br /> Detectable Warnings applied to newly constructed walking surfaces will be included in <br /> the cost of the walking surface . Detectable Warnings applied to existing walking surfaces will be <br /> paid per each location where Detectable Warnings are furnished, installed and accepted . , <br /> 527-5 Basis of Payment. <br /> Price and payment will be full compensation for all work specified in this Section, <br /> including all labor, surface preparation , materials and incidentals necessary to complete the work <br /> for Detectable Warnings installed on existing walking surfaces . <br /> Payment will be made under : <br /> Item No . 527 - l - Detectable Warnings on Existing Walking Surfaces - each . <br /> 534 SOUND BARRIERS . <br /> (REV 74940) (FA 7-2940) (141 ) <br /> vL <br /> Section 534 (Pages 669 — 672) is deleted and the following substituted : <br /> SECTION 534 <br /> SOUND BARRIERS <br /> 534. 1 Description . <br /> Furnish and install sound barriers with pile , posts and panels constructed in accordance <br /> with Design Standards Index Nos . 5200 thru 5207 or with pre-approved alternatives listed on the <br /> Department ' s Qualified Products List (QPL) , unless the Plans otherwise indicate limitations <br /> based on specific design or aesthetic criteria unique to the project. <br /> Obtain Precast Concrete Sound Barrier components from a manufacturing plant that is <br /> currently on the list of Producers with Accepted Quality Control Programs . Producers seeking <br /> inclusion on the list shall meet the requirements of 105 -3 . <br /> 534.2 Materials . <br /> Meet the following requirements : <br /> Portland Cement Concrete . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Section 346 <br /> Reinforcing Steel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . <br /> . . . . Section 415 <br /> 534.3 Component Construction. <br /> Construct concrete components in accordance with Section 400 . Precast wall components <br /> are produced using certification acceptance ; therefore , assume responsibility for performance of <br /> all quality control testing and inspections required by Sections 346 and 400 for the precast <br /> - 151 - <br /> FPID ( S ) : 423186 - 1 - 58 - 01 <br /> t <br />