A square galvanized steel downspout is mounted with a strap and fastener to the exterior building wall and discharges water three inches above a concrete apron or grade. The wall assembly indicates building limits with a 45-degree chamfer transition down to a stepped concrete foundation footing. Sub-slab conditions show a concrete slab over crushed aggregate base resting on compacted subgrade. Sizing for the downspout is referenced to roof plans while color is per architectural elevations.
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