Archives 1001.01.238
Spillway, drains & retaining wall elevation drawing, with details
Sketch plan drawing of June, 2010 installation of stone-paved spillway, drains, and battered retaining wall at DeTurk House west eaves wall. These installations will deflect, intercept, and collect more than 90% of the roof runoff and ground-surface sheet flow incursion into or against the building through the vent and window openings, and by penetration
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