661-222-9544

Frequently Asked Questions

Frequently Asked Questions

First name
Last name
What is geotechnical company?
• How much is a geotechnical report?
Why is preliminary testing necessary?
Warren
• What kind of testing and analysis is required of the soil?
Lane
What does a geotechnical company do?
A geotechnical company specializes in studying and analyzing the earth materials (soil, rock, and groundwater) that affect the design, construction, and performance of civil engineering projects.
What kind of testing is done?
Soil and Rock Investigation
Conduct site investigations (boring, drilling, sampling, and testing) to understand subsurface conditions.
Perform laboratory testing on soil and rock samples to determine properties such as strength, compressibility, and permeability.
Geotechnical Engineering Analysis
Evaluate bearing capacity of soils for foundation design.
Assess settlement, slope stability, and earth pressures on retaining structures.
Provide recommendations for foundations (e.g., shallow, deep, pile, or mat foundations).
Ground Improvement & Stabilization
Design and oversee ground improvement methods such as compaction, grouting, soil mixing, or drainage systems to enhance soil performance.
Earthworks and Construction Support
Monitor excavations, embankments, and earth retaining structures.
Offer quality control testing during construction (e.g., compaction testing, field density tests).
How can I track my order?
Once your order has been shipped, you will receive a confirmation email with a tracking number. You can use this number to track your order on our website or the carrier's website.
What payment methods do you accept?
We accept major credit cards (Visa, MasterCard, American Express), PayPal, and other secure payment methods. All transactions are encrypted for your safety.
Can I change or cancel my order?
Orders can be changed or canceled within 24 hours of placing them. Please contact our customer service team as soon as possible to make any adjustments.
Do you offer international shipping?
Yes, we offer international shipping to many countries. Shipping rates and delivery times vary by destination. Please check
To facilitate the payment of invoices and receipt of your reports, we have the following option available for processing a payment. Of course, we accept credit card*, checks and cash. You can send a check or cash (which we don't recommend) via snail mail to the address below and on your invoice or drop them off in our office. If using Zelle, we recommend sending a $1 payment** first and call us at 661-222-9544 to verify receipt of payment by SGI before sending the full amount.
Zelle Link
Just click on the Zelle image below to begin the payment process.
* Contact our office at 661-222-9544, if you wish to make a payment using a credit card, there is a form to fill out and the amount will include a 4% processing fee. ** All payments being sent via mail, should only be sent to the address indicated on this website and on your invoice and all Zelle or credit card payments should be processed with or emailed to only addresses ending with @swgeoinc.com. SGI will not ever use a different business or personal email address for the processing of payments. Any payments sent to anything other than an @swgeoinc.com address will be considered not received by Southwest Geotechnical, Inc.
21704 W. Golden Triangle Road, Suite 425 Santa Clarita, CA. 91350 (661) 222-9544 Office Email