CAT I HIillside Permit. ***W.U.I. Valley Non-Combustible Materials Required*** Replace existing deck with new Heavy Timber and Trex decking. Footprint to remain the same as old deck.*** RDP*** IF NEW FOOTINGS; A letter from the applicant’s geotechnical engineer indicating that the footing/column subgrade is acceptable must be approved by Public Works prior to scheduling a footing inspection. Please e-mail the stamped inspection approval letter to mjannusch@cityofboise.org and allow 24 hours for subgrade approval processing. Call Melissa Jannusch at 208-608-7168 with questions.