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rcpw <br /> A - <br /> 77=, <br /> . <br /> d. Arc 18 and Arc 24 chambers are designed with an articulating joint , <br /> that allows for a free-range horizontal rotation of 20 degrees, with a `° <br /> maximum of 10 degrees in either direction. Do not over-rotate the <br /> joint beyond 10 degrees. <br /> e. Each chamber is equipped with a swivel lockout feature (D) located at the base flange of the post end. <br /> While the swivel lockout is left in place, the chambers are designed to align in a straight pattern. With <br /> the swivel lockout removed, the chamber is free to rotate. The swivel lockout may be removed by <br /> cutting along the two sides of the perforation of the lockout and then either moving or removing the <br /> remaining piece of plastic from its original position. <br /> C. <br /> (D) <br /> f. As each chamber is placed in the trench, adjust the trench direction 0 <br /> accordingly by removing the appropriate swivel lockout. The incoming <br /> chamber base flange will now ride in the removed lockout gap, <br /> allowing up to ten degrees of rotation per five-foot chamber. . <br /> 4. Prior to installing end caps, remove the appropriate 4 <br /> knockouts for pipe connections by placing the end cap face <br /> down on a hard surface and cutting with a hole saw or utility ,: <br /> knife. Trim any burs or excess material with a utility knife. <br /> Where a hole saw is used to create a pipe opening, <br /> centering dimples are placed in the middle of each knockout <br /> F " <br /> for the hole saw pilot bit. The knockout will accept 4"SDR <br /> 35, 4-inch Schedule 40, or 4-inch ADS-3000 Triplewall® 'a <br /> pipe. Inlet pipe nipples must not exceed 2 inches in length. Nipples <br /> extending beyond 2 inches will interfere with the chamber and hinder <br /> end cap assembly. Upper knockout shall be used for inlet piping. <br /> Lower knockouts are provided for return lines or continuous circuit <br /> piping in bed or mound systems. Receiving pockets for 6" x 8" splash <br /> plates are incorporated into every end cap. -- - F <br /> 5. Place lip of end cap over the end of the chamber unit and snap into place. Secure in place with backfill. The <br /> universal end cap is designed to fit both ends of the Arc 18 and Arc 24 chamber. The end cap shall be placed <br /> so that the Arc logo faces outward. <br /> 2 www.arG-chamber.com <br /> AIG802 ©ADS 2008 <br />