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Pittsburg’s location near the Delta and its soft, moisture-sensitive soils contribute to frequent foundation concerns. Homes built on bay mud or clay soils often experience settling as the ground expands and contracts with seasonal moisture changes. Over time, this movement can result in foundation cracks, sloping floors, and structural instability that require expert repair.
Seismic risk is also a factor in Pittsburg, which is within reach of both the Concord and Hayward Fault zones. Homes that haven’t been retrofitted may be at significant risk in the event of a major earthquake. Seismic retrofitting—such as bolting, bracing, and installing shear panels—is key to strengthening older structures and reducing the likelihood of serious damage.
Inadequate drainage systems in Pittsburg can exacerbate foundation issues, especially during heavy rains. Water pooling near the foundation can lead to erosion or hydrostatic pressure that causes cracks and leaks. Installing drainage solutions like French drains, sump pumps, and gutter extensions helps manage stormwater and protect against foundation deterioration.
Drainage Project Example
Drainage Project from our files: To correct drainage problem, we will dowel into the existing retaining wall located adjacent to the right rear corner of the building and form and pour a new 18 feet long concrete footing (which will also serve to support the existing...
Drainage System Installation Example
Scope of Work We will construct a drainage system along the right, rear, and left sides of your home. The system will start on the right side adjacent the rear of the garage with a trench 2 feet deep. From here it will extend along the right side to the rear corner,...
Drainage Near Retaining Wall
Drainage Near Retaining Wall We will install approximately 120 lineal feet of surface drainage system around the pool in the areas marked by owner, and below the retaining wall. We will provide stub ups only, no drains or grates are included. We will expose...
Patio, Catch Basin, Drainage Example
We will remove and not replace a portion of the front flagstone patio, install a new 8 inch catch basin, and discharge the new drain through a 4 inch solid pipe across your front yard and through the existing pipe that penetrates the left side retaining wall. We will...
Foundation Replacement Example
1. Construct approximately 88 lineal feet of concrete foundation with 2x6 pressure treated sills and 5/8 inch anchor bolts, (Stab bolts for holdowns to be supplied and placed by others). Access door to be constructed and installed by others. 2. Construct seven 2 feet...
Basement drainage repair example
We will construct a drainage system around the lower basement area. The system will be constructed in 2 legs, starting on either side of the basement entry stairs, and discharging into a sump located on the right side of the house, (3 sides of this system will be...
Garage Foundation and Drainage Example
On the garage we will do the following work: 1. Slope trenches and lay 140 lineal feet of 4 inch perforated pipe in previously excavated areas surrounding new foundation walls. The pipe to tie into new discharge pipe installed by Alderson Construction. 2. ...
Spa installation example
On the new spa we will do the following work: 1. Tune and lay approximately 100 lineal feet of 4 inch perforated pipe in previously excavated areas surrounding new foundation/retaining walls. The pipe to connect to the existing 6 inch discharge pipe. The portion on...
Drainage, Underpinning Example
We will construct a drainage system along the rear and right sides of your home. The system will start at the left rear corner with a trench 4 feet deep. From here it will extend along the rear to the right corner, then continue along the right side to the front...
Home Drainage System
We will construct a drainage system along the rear and right sides of your home. The system will start at the left rear corner with a trench 4 feet deep. From here it will extend along the rear to the right corner, then continue along the right side to the front...