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<br />Preventive Maintenance of Angela Boulevard Bridge <br />Over St. Joseph River January 2023 <br /> 13 <br />4. The Contractor, on his own forms to the Engineer, will submit an approved <br />job mix formula for the bituminous mixture five (5) days prior to paving. No <br />mixture will be accepted until job-mix formula has been received and <br />approved by the Engineer. <br /> <br />5. Crushed limestone shall be used as the aggregate. <br /> <br />6. Tack Coat shall be applied at the rate prescribed by INDOT Standard <br />Specification Sections 405 and 406, respectively. <br /> <br />XXVIII. PARTIAL DEPTH PATCHING <br /> <br />A. 2022 INDOT Standard Specification: 722.07 <br /> <br />B. Additions: <br /> <br />1. Areas of the bridge deck and RCBA to be patched before overlay will be <br />marked on the surface by the Engineer. The marked pavement shall be <br />removed to the depth shown on the typical section or as directed. <br /> <br />XXIX. PORTLAND CEMENT CONCRETE PAVEMENT, PCCP <br /> <br />A. 2022 INDOT Standard Specification: 502 <br /> <br />B. Additions: None. <br /> <br />XXX. PCCP RESTORATION <br /> <br />A. 2022 INDOT Standard Specification: 507 & 509 <br /> <br />B. Additions: <br /> <br />1. Longitudinal and transverse joints shall be sawed after deck overlay to create <br />a reservoir for the sealant, to be followed by cleaning and sealing. The <br />cleaning and sealing of the joint shall be in accordance with 507.04(a) and as <br />follows. Transverse and longitudinal joints shall be sealed with hot poured <br />joint sealant in accordance with the sealant manufacturer’s recommendations. <br />Joints shall be sealed with joint sealing materials within 1/4 in. below the <br />surface and shall extend beyond the limits of the overlay to any existing <br />sealant that is to remain in place. <br /> <br />2. Sawing equipment shall be self-propelled single or gang-mounted units. The <br />saw shall be capable of maintaining the specified alignment and depth of cut <br />without damaging the overlay. <br /> <br />3. The cost of Type 1A joint in east RCBA is included in the cost of this pay <br />item. <br /> <br />XXXI. PATCHING CONCRETE STRUCTURES <br /> <br />A. 2022 INDOT Standard Specification: 710.03