Structural Work on Older Lake Balboa Homes
Structural work on older Lake Balboa houses starts by rerouting condensate and relief lines that drain under the floor, then bolting and bracing the frame.
A condensate tube from the air conditioner and the relief line off a water heater are two quiet sources of water under an older Lake Balboa house. Each can drip onto the soil beside a post or the stem wall unnoticed, and on an inland valley lot that bakes dry most months the wet patch is easy to miss. We follow every line that empties below the floor and send it outside, then bolt and brace framing that can finally dry out.
Pipes that end under the floor
Condensate from a cooling coil should run to a drain or out past the wall, never onto crawlspace dirt. The water heater relief line gets the same treatment, routed to an approved outlet an inspector can see. Supply and drain joints under each bathroom are run with the water on while someone watches from the hatch. Where a post base or girder sits in a stained patch, the wood is probed with an awl, and soft fiber is cut back to sound grain before anything new is fastened.
Framing work and the LADBS permit
LADBS writes the permit for Lake Balboa work and sends its inspector before the crawl hatch closes. That visit covers bolt spacing, washer size and the nail pattern at each panel edge. Rotted sill lengths come out and pressure treated lumber goes back on a gasket strip. New anchors with square plate washers are set into sound concrete, and plywood panels go onto the cripple walls with the nailing the plan calls for. The rooms above keep their plaster, picture rail and original sash windows, since every step happens from below.
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Open the hatch after the air conditioner has run for a day and look for a damp patch or a puddle under its drain line. Then check for dark soil near posts, sill wood that dents under a thumbnail and anchor nuts crusted with rust. Upstairs, a floor that dips beside a bathroom should be written down too.
LADBS handles the permit for Lake Balboa addresses. A retrofit of bolts and sheathed short walls may use the prescriptive sheet LADBS publishes, with no custom calculations. A new footing, a beam where a bearing wall stood or a girder that needs replacing brings in an engineer, whose stamped drawings go to plan check.
Rerouting drain lines, splicing sill and sheathing the short walls all happen through the crawl hatch, so finished rooms stay closed. If a later beam needs a wall opened, the casings come off by hand and get numbered on the back, and the plaster patch is troweled level with the old surface.
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Other work we do in Lake Balboa
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