This document describes ConstructSim V8i, a construction automation tool for workface planning. It discusses how workface planning improves productivity, safety, and predictability by increasing tool time and reducing wait time. ConstructSim integrates project data like CAD models, schedules, and material information to facilitate workface planning. It generates work packages, tracks materials and status, reports on expediting issues, and supports work packaging, scheduling, tracking, and systems turnover. Implementing workface planning and using ConstructSim can improve multiple project metrics by 10% or more.