A double cleanout assembly terminates at grade or paving level with two heavy-duty covers. The covers feature cast lettering designating either sanitary or storm service. The cleanout risers connect via a wye fitting to the main underground drainage pipe, which maintains a slope of one-eighth inch per twelve inches.
1/8" / 12" GRADE OR PAVING GRADE CLEANOUT W/ HEAVY DUTY COVER WITH LETTERS "SAN" OR "STORM" CAST ON TOP (TYP OF 2) COTG COTG SAN 1/8" / 12" 1 DOUBLE CLEANOUT GRADE DETAIL (COTG)
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