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SECTION 2 – STREETS, WALKWAYS & PATHS <br />18 <br />surface of four (4) inches shall be applied and maintained as a temporary patch until permanent <br />repairs can be made. Such temporary patches shall be replaced with permanent repairs no later than <br />May 1 of the following year. The permit holder will be responsible for maintaining the temporary <br />patch until final surface restoration is made. <br />Cold weather concrete shall be used and blanketed when the temperature falls below fifty (50) <br />degrees. <br />2-6.1 (a) CONCRETE AND ASPHALT PAVEMENT PATCHING <br />Concrete or asphaltic pavement shall be replaced in kind with a thickness equal to that which <br />existed or eight (8) inches, whichever is greater. Concrete used in pavement replacement shall <br />consist of Type A concrete with six percent (6%) air entrainment. Slump shall not exceed four (4) <br />inches. Coarse Aggregate shall be Limestone ONLY. No natural or local gravel aggregate may be <br />used. <br />Joints in concrete replacement pavement shall match the existing joints in the pavement. Tining <br />shall be performed immediately after placement. <br />When concrete is used in replacement of asphaltic pavement, a blacking agent such as C 250 Super <br />Black (Color Pigment, Inc.) or approved equal, shall be used. A clear seal membrane shall be <br />utilized once the patch is finished (asphalt only). <br />White pigment will be the only accepted seal for any concrete work performed in an existing <br />concrete street. <br />2-6.1 (b) BRICK PAVEMENT PATCHING <br />When excavating brick pavement, the existing brick shall be carefully removed and stockpiled prior <br />to excavation. Salvaged brick shall be used for pavement replacement. <br />Existing brick pavement designated for removal shall be salvaged undamaged. Care shall be taken <br />to remove any bituminous material from brick pavers, including asphalt patches, asphalt overlay, <br />and bituminous tack coat when directed by city staff. Salvaged brick shall remain the property of <br />the City of South Bend and shall be stored off ground, covered, and on palettes for delivery to a <br />location designated by the City. <br />Where incorporated into the finished work and cross slope is not maintained due to a depression in <br />the pavers, pavers shall be carefully removed, base material added and compacted, and pavers re- <br />laid to a consistent cross slope in their original undamaged condition. <br />Brick pavement to be restored shall be cleaned using an acid solution of ten percent (10%) Muriatic <br />Acid and water to remove bituminous products and other foreign materials. <br />2-6.2 MAILBOXES <br />Mailbox posts shall not be installed within one and one-half (1.50) feet of the face of curb.