roomaircirculat

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;Notice: Prior to submitting a building permit, you are now required to obtain development permit compliance review (DPCR) approval. This policy applies for all building permits except for a/c change outs, like for like water heater replacements, residential water re-piping, and electrical service repairs. Exceptions cannot be made by staff. ;Please continue reading this article for more information.; Containment DesignSMS can prepare engineering drawings and ventilation calculations for all of your SSPC classes of containment. We will use our extensive knowledge in this area to maximize your efficiency and minimize cost. We not only design the ventilation systems to meet the airflow and negative pressure requirements, but we can also design any outriggers or other type of containment support structure.