Engineered Design Engineered Design – we offer in-house complete design of any type of system by our licensed designers. We will work with the owner to obtain all required paperwork and submit that to the appropriate authorities for the septic system permit to construct. Contact us today for all your septic requirements! EMERGENCY SERVICES: Emergency service is available 24/7. Please call our office at 325-248-8740 and we will work with you to provide the necessary help to repair the problem quickly and efficiently.