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vQ" sFN JN dz ,y 11 <br /> Arah'. `��`�' a� � � ,�, � Mlp � as ,� <br /> -� � � - ,fl` � l�" <br /> - ------ <br /> aerobic state in the drainfield. Venting is not required. However, venting is recommended to promote oxygen <br /> to easily access to the drainfield, and may be required by code. <br /> Bed Installation Guidelines <br /> 1. Excavate bed to proper width and depth as described in the designD <br /> and as required by state and local code. For any traffic condition up to <br /> an H-10 (16,000 lbs/axle) maximum load limit, the minimum cover over <br /> the crown (top of chamber)of the chamber shall be 12 inches. The <br /> total minimum bed depth, when measured to the bottom of the <br /> chamber, shall be 24 inches to the bottom of the trench bed for the Arc <br /> 18 and Arc 24 chambers for non-traffic applications. For bed type <br /> installations, a minimum separation of 4 to 6 inches is required between chamber rows. <br /> 2. Smooth irregularities in the excavation and clear any large rocks or debris from <br /> the bottom of the bed. Slope of the bed shall be determined based on state or s.. <br /> local code. , <br /> 3. For chamber assembly, see steps 3 through 10 in the Trench Installation <br /> Guidelines above. <br /> f,. <br /> 'Cover height and live loading limits are impacted by both soil type and compaction requirements.Advanced <br /> Drainage Systems should be contacted when poor soils are encountered or, if unknown,when fill heights <br /> exceed 2 feet. <br /> PIM M WrH <br /> RMOOPM <br /> a <br /> Z€ w <br /> a <br /> i <br /> ARC 18 ARC 24 <br /> Length(A) 67 in 67 in <br /> Repeat Length(E) 60 in 60 in <br /> Side Wall Height(B) 7.5 in 7.5 in <br /> Overall Height(C) 12 in 12 in <br /> Overall Width(D) 16 in 22.5 in <br /> Weight 11 lbs 13 lbs <br /> Capacity 3.42 cu ft 5.02 cu ft <br /> 25.6 al 37.5 al <br /> 4 www.arc-chamber.com <br /> AIG802 ©ADS 2008 <br />