Shenandoah defeated host Caldwell at both the varsity and junior varsity level when the two Noble County schools faced off Thursday at Caldwell. In junior varsity action, Caldwell fell 2-25 in the first set, and 21-25 in the second set, bringing their record to 0-2. Caldwellâs Abby DeLancey was the leader in assist and digs, with six and 11, respectively. Parker Stephens and Cayton Secrest led in kills with three apiece.
SDR, DR, Schedule or wall thickness The standard dimension ratio (SDR), dimensional ratio (DR), schedule or wall thickness. The SDR or DR is the pipe OD divided by pipe wall. The schedule number of the pipe is an alternate identifier.
Drain-Waste-Vent Plumbing Systems. Understand how your homeâs drain-waste-vent plumbing systems work with this expert illustrated explanation. The system of pipes that carries water and waste to a sewer line or septic tank is call the drain-waste-vent (DWV) system. As the name implies, it has three components: Drain lines collect water from sinks, showers, and tubs; waste lines carry waste from toilets; and vent lines exhaust sewer gases and allow wastes to flow freely.