Projects · Since 2011
Recent work across the region.
A sample of recent jobs from across California, Arizona, and Nevada. Every project shown was completed by Dalinghaus crews, with no stock photos.
Case study downloads
Read the original case studies.
These are the case studies Dalinghaus published between 2018 and 2021. Each one sets out the problem, the repair design and what was installed. The scanned ones are large files, so on a phone they can take a moment to open.
Homes
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Helical piers and tiebacks
27 Helical Piles and 5 Tiebacks Under a San Clemente Hillside Home, scanned PDF, 2 pages, 10.0 MB
San Clemente, CA · 2021
A hillside home that had settled 16 inches and split along a crack running parallel to the slope was lifted 14 inches over two days, on piles driven to an average depth of almost 61 feet.
Scanned PDF. Call us at 877-360-9227 for an accessible copy.
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Helical piers and tiebacks
27 Helical Piles and Tiebacks for a Diamond Bar Hillside Pool, scanned PDF, 2 pages, 10.2 MB
Diamond Bar, CA · 2020
A pool that had settled more than an inch on its downhill side, and was moving toward the slope, was supported with 23 helical piles and 4 helical tiebacks installed in a single phase.
Scanned PDF. Call us at 877-360-9227 for an accessible copy.
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Helical piers
5 Helical Piers Lift an 1800s Home in Orange, scanned PDF, 2 pages, 7.0 MB
Orange, CA · 2020
A home thought to date from before 1890 had settled more than 1.7 inches at one corner; five helical piers brought back 1.5 inches, and four crawl space posts and pads were replaced.
Scanned PDF. Call us at 877-360-9227 for an accessible copy.
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Helical piers and tiebacks
114 Helical Piles and Tiebacks on a Murrieta Hillside, scanned PDF, 2 pages, 2.0 MB
Murrieta, CA · 2019
When a new pool and hardscape began cracking on poorly compacted soil, 87 helical piles and 27 helical tiebacks went in over four phases, tied into new grade beams, the existing walls and the pool.
Scanned PDF. Call us at 877-360-9227 for an accessible copy.
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New construction helical piles
Helical Piles for a New Pool Beside the Colorado River in Needles, PDF, 1 page, 1.2 MB
Needles, CA · 2018
For a new pool a few feet from the river, over 15 to 25 feet of fill, helical piles took the place of the micropiles in the original design after a test pile passed compression and tension tests.
Commercial and infrastructure
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Helical piles
14 Helical Piles Support a Tucson Pipeline After Monsoon Washouts, scanned PDF, 2 pages, 8.4 MB
Tucson, AZ · 2021
Monsoon storms washed out the ground under sections of an active 12 inch pipeline; in one day, 14 helical piles were driven to load bearing soil and the pipeline was lifted off the ground onto brackets and straps.
Scanned PDF. Call us at 877-360-9227 for an accessible copy.
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New construction helical piles
6 Helical Piles in Place of Concrete Caissons for a Lancaster Car Wash, scanned PDF, 2 pages, 9.6 MB
Lancaster, CA · 2021
The loads for a new car wash called for concrete caissons too large to install on schedule; six helical piles, four of them set at an angle, went in to 28 to 30 feet in half a day.
Scanned PDF. Call us at 877-360-9227 for an accessible copy.
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Temporary shoring with helical piles
24 Helical Piles Shore a Los Angeles Hotel Footing for a New Elevator Pit, PDF, 1 page, 1.1 MB
Los Angeles, CA · 2019
To add elevators during a hotel conversion, 24 helical piles with retrofit brackets carried an existing column footing while the new pit was excavated, in two weeks including city inspections.
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Polyurethane foam injection
Bus Lanes Lifted and Realigned in One Day at a Newport Beach Transit Hub, PDF, 1 page, 4.8 MB
Newport Beach, CA · 2018
Instead of a replacement that would have closed lanes for more than 60 days, polyurethane injection firmed up the soil and lifted both bus lanes about 2 inches to realign an offset crack, in one working day.
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Push piers, tiebacks and polyurethane
87 Push Piers and 12 Tiebacks Under a Diamond Bar Tilt Up, PDF, 1 page, 2.3 MB
Diamond Bar, CA · 2018
A two story tilt up on a slope had settled more than 8 inches; push piers carried the footings, helical tiebacks resisted the lateral movement, and polyurethane helped lift and support the slab.
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