WebPermitting Home. We issue building and land-use permits in unincorporated parts of Thurston County. Whether you are considering a building project, a property purchase, or any type of change to the use or ownership of a property, we recommend you begin with Find Out What You Can do with a Property as a starting point. Links below, or visit us ... WebWalls exposed to weather are to have a minimum of 3000 psi concrete strength and air-entrained (5 percent to 7 percent). (IRC Table R402.2) Foundation retaining walls unsupported at the top and retaining greater than 48 inches of unbalanced fill shall be designed. (R404.4) Waterproofing and dampproofing of foundation exterior walls is …
Is it Mandatory to get a Permit for Retaining Wall?
WebJan 6, 2016 · Whenever the distance from grade to the walking surface above is greater than 30 in. within 36 in. horizontally, you need to install a guardrail. This includes stairs, measured from the top tread. The drawing here shows a set of stairs with only three risers, so a handrail is not required. On the right side, however, is a retaining wall, and ... WebRetaining walls shall be designed to resist the lateral action of soil to produce sliding and overturning with a minimum safety factor of 1.5 in each case. The load combinations of Section 1605 shall not apply to this requirement. Instead, design shall be based on 0.7 times nominal earthquake loads, 1.0 times other nominal loads, and investigation with one or … timothy sargent
gwinnettcounty
WebRequired Documents. You must provide the following when submitting your permit application. Site Plans—Required for all applications. If commercial, site plans must be a minimum of one inch equals 100 feet, engineer's scale. If residential, view the residential site plan. Retaining Wall Letter — For residential only. Must be signed by owner. WebRetaining Wall (under 48 inches) Decks (not exceeding 200 sq. ft. in area, that are not more than 30” inches above grade at any point, are not attached to a dwelling and do not serve the exit door required by IRC Section R311.4.) Retaining Walls (under 48” inches in height measured from the bottom of the footing to the top of the wall.) 1. WebJan 1, 2024 · See Temporary Emergency Permit for information on emergency repairs and stabilization work. To verify what type of building permit you need, contact the Building Safety & Inspection Services Team at 303-441-3926. Building code questions can be submitted via the Ask a Building Official form, or by calling 720-564-2640. parth gohel