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• Contractor to supply and install a 2" x 4" blocking board (spaced no more than 3' <br />on center), along with a continuous 2" x 4" to create a 3" high 'curb' along the entire <br />length of each side. The seams of these boards shall be generally at the middle point <br />of existing deck sections — and the seams shall be matched by a 45° degree cut <br />directly over the blocking board. (See example reference below.) There shall be <br />three to four fasteners screwed into each end of the upper 2" x 4" where they join. <br />• Contractor to supply and install bracket hardware, mud foot plate and pipe, with a <br />5/8" set bolt mechanism for adjustment for all areas where existing deck sections <br />must be removed near the (north) portion by the bridge, (scope of removal at the <br />Contractor's discretion). (See Appendix for the referenced sections to be removed.) <br />All components to be hot dipped galvanized, and the pipe to be 1 1/2" schedule 40, <br />hot dipped galvanized. This will be used to achieve significant adjustment for <br />removed sections as noted above, or other areas where the existing deck sections do <br />not provide enough support, or shimming is not practicable. The City projects that <br />this technique will be required at 10 or more sections of the existing boardwalk. <br />• The existing bridge is 8' foot wide and does not need replacement or over decking. <br />The new decking shall meet this bridge section, with the Contractor to field engineer <br />the joining of the new decking to the bridge decking (or full 8' foot approach area), <br />such that there is no vertical differential where new deck boards meet the existing <br />deck board(s). <br />• Contractor to supply and install two, 8' foot hinged hot dipped galvanized diamond <br />plate (or flex resistant aluminum diamond plate) at beginning and end of <br />boardwalk (plates to overlap onto the bituminous trail at the north and south). <br />4 I a <br />�f� <br />