Planning and Design In Ardmore, Woodford, Overbrook, OK, and The Surrounding Areas Duct Planning and Design Ventilation Planning and Design ACCA Manual J Manual D Load Calculations Load Calculations Mechanical Design Zoning Design Permit Creation and Submission City Permit Requests New Constructions City Permit Requirements Have questions? Submit a request through our online request form or give us a call and our specialist will help guide you through the different Planning and Design options.