This document explains the StormTech DC-780 StormTech Isolator Row Plus detail, inspection port detail and inspection/maintenance steps with notes.

StormTech Isolator Row Plus detail shows an optional inspection port, optional geosynthetic 601T non-woven geotextile covering the Isolator Row Plus, SC-780 end cap/chamber, flexstorm inserts, elevated bypass manifold, sump depth, catch basin, HDPE access pipe and geotextile layer between foundation stone and chambers.

The steps under inspection and maintenance require inspection of Isolator Row Plus for sediment, how to clean the Isolator Row Plus using the jetvac process, replacing covers, grates, filters and lids while recording observations and actions and inspection/cleaning basins and manholes upstream from the StormTech system.

A note suggests inspection occur every 6 months during the first year of operation and to adjust schedule based on observations of sediment. A maintenance note asks to conduct jetting and vactoring annually or when maintenance is necessary.

A 4” PVC inspection port detail shows the SC series chamber. The concrete collar, concrete slab, asphalt overlay, 4” SDR 35 pipe, 4” inserta TEE to be centered on corrugation crest, minimum width requirements with the chamber position underneath. A note suggests inspection ports may be connected through any chamber corrugation crest.