San Gabriel, Los Angeles County

Foundation, post and retrofit work in San Gabriel

At a San Gabriel house, Aspenwell Construction checks interior posts, piers and the girder first, then bolts the sill and braces the cripple walls.

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At a San Gabriel house, the first thing we do is find the crawlspace hatch and look at the posts. Interior posts hold up the girder that carries the middle of the floor, and they get less attention than the walls around the edge. We check whether each post sits on a concrete pier or on loose block, whether a connector ties it at the top and bottom, and whether the girder above has sagged between supports.

Posts, piers and the line of the girder

A string pulled tight along the underside of the girder shows any dip between posts. Where a post leans or its base has crumbled, we set temporary shoring, then pour a new footing and fit a post base and cap so the post cannot kick out sideways. A floor that feels soft in the middle can trace back to one tired pier. Once the girder line is true, the cripple walls at the perimeter get their plywood and the sill gets its anchors, so the whole floor works as one piece when the ground shakes.

How the city reviews the job

The San Gabriel building department reviews the drawings, which show post locations, footing sizes, anchor spacing and the plywood nailing. Inspections follow the work from the ground up. Footing forms get checked before concrete arrives, then the hardware and nailing before anything is covered. Inland, we plan for hard sun and dry wind on any exterior work and for the odd heavy storm. Vent screens we remove get replaced so the crawlspace keeps breathing and stays closed to pests once the job is done.

Plan structural work in San Gabriel

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