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<br />2025 FEDERAL OVERLAY, BROADWAY – CALIFORNIA ST TO 18TH ST SPECIAL PROVISIONS <br />FEDERAL AID# STBGUL-2715(012); COE PW# 3841 SP-119 May 6, 2025 <br /> <br />an understanding of WSDOT Standard Plans and City Standard Drawings for 1 <br />pavement markings. 2 <br /> 3 <br />Survey personnel performing the calculations, notes, and layout data shall be 4 <br />on site to answer questions regarding the layout notes as the roadway is being 5 <br />spotted or shall perform the work. In the event a revision is required by the 6 <br />Contracting Agency during field layout, either to correct errors in the notes or to 7 <br />make minor revision noted in the ordinary progress of the work, field layout shall 8 <br />be performed by the Contractor at the time. 9 <br /> 10 <br />All field layout and temporary pavement marking shall be completed during the 11 <br />same shift as the striping is obliterated by grinding or paving unless otherwise 12 <br />directed by the Engineer. 13 <br />Permanent pavement marking shall not begin until the layout is approved by the 14 <br />Contracting Agency. Such approval shall not relieve the Contractor of 15 <br />responsibility for the accuracy of the field markings. 16 <br /> 17 <br />Payment 18 <br /> 19 <br />All costs associated with layout of temporary striping shall be included in the 20 <br />associated bid items for pavement marking and shall be full pay for all labor, 21 <br />equipment, materials, and supervision utilized to perform the Work specified for 22 <br />layout and preliminary spotting of pavement markings, including any 23 <br />resurveying, checking, correction of errors, replacement of missing or damaged 24 <br />markings, and coordination efforts. 25 <br /> 26 <br />8-22.3(2) Preparation of Roadway Surfaces 27 <br /> 28 <br />Section 8-22.3(2) is supplemented with the following: 29 <br /> 30 <br />(******) 31 <br />Apply materials to new HMA that is sufficiently cured according to the manufacturer’s 32 <br />recommendation. Permanent paint marking material applied to new HMA require a 33 <br />pavement cure period of at least 21 days. Permanent Type D marking material 34 <br />applied to new HMA require a pavement cure period of at least 10 days. 35 <br /> 36 <br />8-22.4 Measurement 37 <br /> 38 <br />Section 8-22.4 is supplemented read as follows: 39 <br /> 40 <br />(******) 41 <br />The measurement for “Plastic Sharrow” will be per each unit installed. 42 <br /> 43 <br />The measurement of aerial survey marker and access parking space symbol will be per 44 <br />each for each marker installed. 45 <br /> 46