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Where existing pavement to be removed is asphalt over concrete or concrete <br />gutter, removal shall be paid as "Concrete Pavement Removal". <br />For items (g) and (h) replacing HMAC, concrete pavement, or miscellaneous <br />concrete, will be paid for according to 00745.90, 00756.90, and 00759.90 as <br />applicable. <br />(ADD) Sawcutting shall be incidental to this item of work. <br />(ADD) Item (e) includes removal of catch basins. <br />00405.46 Backfilling <br />(ADD) Trench Backfill shall be to the bottom of the concrete or HMAC paving elevation <br />as shown on the plans. <br />00470.79 Catch Basin Traps <br />(ADD) Catch basin traps shall be made of LDPE or HDPE and shall be "Compact Catch <br />Basin Elbows" by Zymark Inc., telephone (503) 872-9242, or an approved equal. <br />Catch basin traps shall be installed per manufacturer's specifications, and/or as <br />directed by the Engineer. The Contractor shall field verify the size of catch basin <br />storm drain pipes where catch basin traps are to be installed. Traps may be one <br />of two types depending on the angle of pipe into the catch basin. <br />00470.80 General <br />(ADD) Catch basin traps shall be measured on a unit basis for each catch basin trap <br />installed and accepted. <br />00470.90 Payment <br />(ADD) Pay Item <br />Unit of Measurement <br />(m) Catch Basin Trap Each <br />00490.90 Payment <br />(DELETE) Pay Item <br />Unit of Measurement <br />(g) Connection to Existing Structures Each <br />(ADD) Pay Item <br />Unit of Measurement <br />(i) Abandon Pipes -Plug End LumpSum <br />(ADD) Payment for connection to existing structures is incidental. <br />(ADD) Under "No separate of additional payment will be made for:" <br />Removal of Existing Pipes <br />• Connecting to existing poured in-place structures with thickened walls <br />Special Provisions Job #4671 Page 6 <br />