Chapter 1: Understanding the Retaining Wall Problem

Boundary and topographic survey drawing showing one-foot contour lines, spot elevations, property corners, easements, benchmark, and existing site features prepared by a licensed land surveyor

Soil boring location plan showing three borings B-1, B-2, and B-3 positioned behind the proposed retaining wall alignment with station and elevation callouts

Erosion and sediment control plan with silt fencing, inlet protection, construction entrance, flow arrows, a drainage easement, and temporary wattle inlet protection along the retaining wall alignment

Site plan showing the proposed cantilever reinforced concrete retaining wall alignment from Station 0+00 to Station 0+85 with wall heights, setbacks from property lines, and silt fence

Front and rear wall elevation drawings showing finished grade elevations, retaining wall height, dowel reinforcement, drainage mat, and compacted backfill with a key plan locating each elevation

Typical retaining wall section view at the wall midpoint showing drainage zone, subdrain gravel, wall stem reinforcement, footing, and compacted backfill

Temporary shoring plan showing H-pile steel beams and timber lagging spaced approximately six feet on center along the excavation ahead of the proposed retaining wall

Detailed permit-grade wall elevation submittal sheet citing IBC 2021, ACI 318-19, AASHTO LRFD, and ASTM standards, with a materials legend and dowel and section details

Reinforcement detail sheet showing Detail Type A wall toe reinforcement, Detail Type C wall heel detail, and Detail Type S1 keyed construction joint with dowel spacing and bar schedule callouts

Reinforcement bar schedule table listing bar marks, descriptions, quantities, bar sizes, lengths, and weights for toe dowels, heel dowels, strength bars, and longitudinal reinforcement

Landscape plan showing flowering dogwood, redbud, Japanese maple, knockout rose, and ornamental grass plantings layered along the top of the completed retaining wall with a mulched planting bed

Architectural finish details showing hand-placed natural stone facing adhered to the face of a reinforced concrete retaining wall with a two-inch limestone capstone and chamfered edges