Fire Rebuild & Reconstruction in San Dimas
San Dimas fire rebuilds that account for what the fire hid: slab cables, buried lines and loose fill on sloped lots, each finding written into the scope.
If the old San Dimas house sat on a post-tensioned slab, steel cables under high tension run hidden through the concrete, and that changes how we test it. Drilling a core into a tensioned slab without locating the tendons can cut one. So we scan the slab and mark the cables before any sample is taken. If heat damaged the tendons or their edge anchors, the slab is usually replaced and the engineer redesigns the foundation for the lot.
Cables, anchors and what heat does to them
Post-tensioned tendons are greased strands inside plastic sheathing, stressed after the pour and locked at anchors along the slab edge. Fire can soften the sheathing and grease near the perimeter and weaken the anchors, which are the most exposed parts. A tendon that lost tension leaves that strip of slab working as plain concrete. The engineer reviews the scan, the exposed edge and any crack pattern. A slab with sound tendons may be kept with edge repairs. A slab with damaged ones is taken out with the cables released under control first, since a cut strand under stress can whip.
Other conditions the ground can hide
A burned lot can hide more than slab steel. A sewer line can crack under heavy equipment during cleanup, and a gas line needs a pressure test before service comes back. If the lot slopes, part of the old pad may rest on fill that was never compacted, which a probe or test pit will show. Each finding goes into the scope as its own line with the reason written beside it. The City of San Dimas reviews the plans, and its reviewers will expect the engineer's response to each of these findings to appear in the structural sheets.
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Fire Rebuild & Reconstruction in San Dimas: questions
If it is a conventional slab or footing that tests sound, it often can. A post-tensioned slab is a harder case: the tendons have to be scanned and their anchors exposed, and an engineer decides whether the cables kept their tension. We price the rebuild both ways until that answer is in, so the scope does not change late.
Hidden conditions are where a scope and the real job part ways, so our estimate keeps them visible. We price the house from the drawings, then list each finding from testing, such as damaged tendons, a cracked sewer line or loose fill, with its cost and cause. Set beside the insurance scope, those lines show your insurance adjuster what changed and why.
Before design, we look up the lot on the state's wildfire hazard maps. Where a parcel is mapped, ember-resistant construction applies to the roof, vents, eaves, walls, decks and windows. Where it is not, the house is built to current state code as the city enforces it, with today's energy and structural requirements in full.
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