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Basement CMU & Foundation · Del Mar

11th St, Del Mar

A shored basement excavation on a tight Del Mar lot, taken from bare dirt through footings and foundation slab to fully reinforced and grouted CMU basement walls.

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A downhill lot with neighbors on both sides and no room to work — the kind of site where the shoring, the drainage, and the sequencing matter as much as the concrete. 4x8 handled the foundation excavation interface, waterproofing and drainage at the shoring face, the footings and foundation slab, and the reinforced CMU basement walls that came up out of it.

Scope on This Job

Basement walls on a lot with no elbow room.

Shored Basement Excavation

Foundation work staged inside a shored cut against the neighboring properties, with the pad graded and compacted to spec.

Drainage & Waterproofing

Perimeter drain and waterproofing detailed at the base of the shoring wall before any structure went in.

Footings & Foundation Slab

Continuous and spread footings tied into a full reinforcing mat and vapor barrier, inspected before the pour.

Reinforced CMU Basement Walls

Block basement walls laid, reinforced, and grouted solid — pump-placed on a site with no truck access.

Excavated basement pad with shoring wall, Del Mar Graded basement pad ready for foundation layout Mini excavator shaping the basement pad against the shoring Perimeter drainage and waterproofing detailed at the shoring wall Footing reinforcing cages formed at the basement perimeter Footing forms and reinforcing running along the shoring wall Full foundation reinforcing mat and vapor barrier ready for inspection Foundation rebar and vapor barrier across the basement footprint Completed foundation reinforcing before the slab pour Reinforced CMU basement walls being grouted by pump

Got a tight lot and a basement to build?

Send the plans — shoring interface, drainage, slab, and block, priced as one scope.

Send Us Your Plans