26054316 – Trench Detail

A technical drawing labeled “Typical Trench Detail” depicting two cross-sections, one for asphalt and one for lawn area, of a trench for electrical conduit installation. The trenches are shown with various layers and measurements. The top layer of the trench for asphalt is labeled as a “2” No.12 WM Wearing Course for Asphalt” followed by “Finished Asphalt, Grade to Match Existing.” The top of the asphalt trench sides are depicted with vertical lines indicating “Sawcut (Typ.). Both trenches show an overall depth of 30”. Below this, a line represents the “Existing Grade.” The trench sides are depicted with vertical lines indicating “Sawcut (Typ.)” at 30 inches in depth. Below the finished asphalt and lawn area, there are multiple layers including a “Tack Coat,” a “3” No.1100 20AA Leveling Course,” and a “6” 21A Limestone C.I.P.” Further down is a “Mechanically Tamped Backfill (98% Compaction)” which encases the “Rigid PVC Conduit” and “Conductors.” The trench bottom includes “6” Minimum Clean Sand.” There’s a note indicating, “6” Wide (Min) Red Vinyl Marker Tape to Run Continuous over Conduit,” with the warning text “Caution: Electric Line Buried Below.” Both trenches specify a “12” Max” width.