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DIVISION 6 <br /> STRUCTURES <br /> 6-02 CONCRETE STRUCTURES <br /> 6-02.3 Construction Requirements <br /> This section is supplemented with the following: <br /> 6-02.3(2)A Contractor Mix Design <br /> Concrete class 4000 shall be used for all reinforced concrete walls. Nominal maximum <br /> aggregate size shall be 3/4", except that 3/8" may be used for pump mixes. <br /> 6-02.3(14)A Class 1 Surface Finish <br /> All permanently exposed concrete surfaces shall receive a Class 1 surface finish. <br /> 6-11 REINFORCED CONCRETE WALLS <br /> 6-11.1 Description <br /> This section is supplemented with the following: <br /> This work also includes constructing reinforced concrete retaining wall Type I (Cut Wall), Type II <br /> (Fill Wall), in accordance with the details and wall number indicated on the plans <br /> This work also consists of constructing reinforced concrete retaining wall with Geofoam Fill, <br /> Type VI (Fill Wall No. 16 at Station 3019) and furnishing and constructing expanded polystyrene <br /> (EPS) geofoam lightweight embankment, and placing, sealing, and securing geomembrane <br /> around the expanded polystyrene (EPS) geofoam lightweight embankment. <br /> 6-11.2 Materials <br /> This section is supplemented with the following: <br /> Conform to the following for the construction of wall 16: <br /> Geofoam 9-37 <br /> Geomembrane 9-38 <br /> 6-11.3 Construction Requirements <br /> 6-11.3(1) Submittals <br /> This section is supplemented with the following: <br /> Geofoam <br /> Submit the following geofoam information to the Engineer at least 30 days before constructing <br /> geofoam embankment. Do not construct the geofoam embankment until the submittal is <br /> approved by the Engineer. <br /> (a)Working drawings. Provide working drawings that clearly show the following: <br /> Swift Green Line—Corridor Stations Special Provisions SP88 <br /> May 2017 <br />