RWR has done a lot of work in the San Anselmo area of Marin County, including foundation repairs, retaining walls and drainage repairs. You may see our trucks and drilling equipment on the Miracle Mile (Sir Francis Drake Blvd), working their way up into the neighborhoods like Sleepy Hollow. The hilly San Anselmo area gets a lot of rain and moisture in the winter, and long dry spells in the summer, which can cause foundations to become unstable, and retaining walls to fail. It is important to correct these problems with well designed, well engineered plans, that are properly constructed.
RWR specializes in this type of construction work in the San Anselmo area, and has great relationships with many engineers and architects working in this neighborhood. If you have a situation you’d like us to look at, please give us a call.
Here’s an example of foundation repair work we perform in the San Anselmo area. You can see this work requires skillful experienced foundation contractors and very competent crew. RWR brings you the expertise you need for your important project.
This estimate is based on structural drawings (sheets S1 & S2). The bid consists of installing three helical piers as per plans. Our price includes all labor and material to complete the job as per the itemized “Scope of Work” below.
Scope of Work
Helical Piers
• Mobilize to jobsite. Demobilize.
• Install a total of (3) 10 ft. deep Foundation-SupportWorks HP-287 helical piers. Helical piers include (1) 5 ft. 8”–10” galvanized lead helix plate configuration with 3/8-inch thick grade 50 steel standard helix plate configuration plus (1) 5 ft. galvanized extensions and (1) galvanized HP288NCBA-G bracket assembly each. Installation torqueing rates based on torque rating conversion chart.
• Clean-up and remove construction debris from site.
Notes:
• Additional footage for helical pier depths.
• Pull testing or compression testing of helical piers is not included in the main estimate. If pull testing or compression testing are required, testing will be performed on a time and material basis.
Testing Note: Installation will be made using torque conversion charts as an equivalent to pull test operations. The conversion charts produce installation torque conversion ratings based on the equivalent ft-lb torque capacities suggested by the manufacturer. Proposed helical piers installation is based on achieving a final installation torque of 20,000 ft-lb. Additional depths (if needed) required to meet the required capacities will be charged at a per ft. installed cost provided above.
Qualifications and Clarifications
• Includes one mobilization only.
• Proposal is based on working std 40 hours per week, 5 work days and mutually agreeable schedules.
• Standard drilling conditions.
• Full payment upon completion.
Exclusions
• Cost of plans, permits, bonds, testing and inspections.
• Increased costs of excavation or drilling due to hard rock, tree roots, caving conditions, underground water. (Hard rock excavation is defined as material that requires the use of pneumatically or hydraulically operated hammers or rams to excavate.) (Hard rock drilling is defined as a penetration rate slower than 1 ft. in 5 minutes.)
• Increased cost of helical installation due to rubble, boulders, fill or any unknown underground obstruction.
• Any work on utilities including buried pipes.
• Soil injection/permeation grouting.
• Removal of generated spoils from site.
• Erosion control.
• Winterization.
• Excavation of hazardous materials, underground tanks, or materials unacceptable at dumps.
