• Footings-After forms are complete and any required reinforcement is in place.
• Foundation-After forms are complete and any required reinforcement is in place.
• Foundation-Drains Exterior foundation drains and rainwater drains after installation and bedding.
• Water Service-Underground main water line between the building and the water meter.
• Underground Gas Pipe-After all underground fuel gas piping is completed, on test and before covering.
• Underground Plumbing-If applicable - after pipe is bedded and before covering.
• Underground Ducts-If applicable - after ductwork is bedded and before covering.
• Under floor-For wood floor systems - joists, posts, beams and connectors in place but prior to installation of floor sheathing.
• For concrete slabs-Sub-slab insulation plumbing and ductwork to be in place.
• Exterior Sheathing-After all fasteners and exterior connectors are in place but prior to covering wall or roof sheathing.
• Exterior Insulating-EIFS to be certified by the product manufacturer as having been installed
• Finish Systems (EIFS) in accordance with the manufacturer's installation instructions.
• Rough Plumbing-After all piping is complete and on test.
• Rough Gas Pipe-After all fuel gas piping is completed and on test.
• Rough Mechanical-After all ductwork, vents and fixed equipment is in place.
• Rough Fire Sprinklers-If required, rough sprinkler piping after complete and on test.
• Rough Electrical-After all concealed wiring is in place including low voltage.
• Framing-Building must be "in the dry" with all rough installations complete and ready for wall insulation.
• Wall Insulation-When all wall cavities are filled and ready for interior wall covering.
• Gypsum Wallboard Inspection is only required when part of a fire resistive system or when used in a lateral force resisting system (shear wall).
• Final Inspection-The building and associated systems are complete and ready to occupy.
• Required site improvements, landscaping and finish grade are complete.
• Occupancy of new structures or new tenant spaces is prohibited prior to the issuance of a Certificate of Occupancy.

In addition to all applicable inspections noted above the following inspections may be required for commercial and industrial buildings.

• Fire sprinklers U/G-Below ground fire sprinkler piping when complete with supports are in place.
• Fire Sprinklers A/G-Above ground rough sprinkler piping when installation is complete and on test.
• Fire Alarm Systems-After the installer has performed a confidence test and is ready for an acceptance test.
• Pilings-Driven, cast in place pilings, usually during installation.
• Column Base Grout-Verification that the space between steel columns and their supporting foundation has been filled with appropriate materials.
• Slender Walls (Tilt-Up)-Forming, reinforcement and imbeds of slender wall concrete construction.
• Masonry-Grout-Structural masonry before each grout pour.
• Structural Concrete Slab-After forms and reinforcement are in place but prior to placement of concrete.
• Suspended Ceilings-Supporting system is complete, mechanical and lighting systems are in place and prior to installation of ceiling finish materials.
• Rack Storage-Storage racks exceeding eight feet in height after all racks are complete but prior to placement of commodities in the racks.

Contact the Washington State Department of Labor and Industries Tacoma location at 253-596-3800 or the Tukwila location at 206-835-1000.

• Commercial Hood-Type I commercial hood systems (grease hoods)
• Fire Sprinklers A/G-Above ground fire suppression sprinklers when required by Fire Code provisions.
• Fire Alarm Systems-After the installer has performed a confidence test and is ready for an acceptance test.
• Fuel Storage Tank-When the tank is in place but in the case of underground tanks, before the tank is covered.
• Spray Booth-When the booth is complete but before spray operations for booths for the application of flammable finishes.

• Duct Insulation-For required insulation prior to concealment within the construction.
• Hood & Duct I-Commercial type I hood & duct system prior to concealment of any portion of the system.
• Hood & Duct II-Commercial type II hood & duct system prior to concealment of any portion of the system.
• Refrigeration Pipe-Piping containing refrigerants while pressure test is applied to piping.
• Rough Gas Pipe-After all fuel gas piping is completed and on test.
• Rough Mechanical-After all ductwork, vents and fixed equipment is in place.
• Underground Gas Pipe-After all underground fuel gas piping is completed, on test and before covering portion of the system.

• Backflow Test-Applicable to cross connection control devices after installation.
• Rough Medical Gas-Acceptance of medical gas piping prior to concealment of any portion.
• Rough Medical Vacuum-Acceptance of medical vacuum piping prior to concealment of any portion.
• Rough Plumbing-When water and drainage systems are complete and on test but prior to concealment of any portion of piping.
• Underground Plumbing-When underground water and drainage systems are complete and on
• Water Service-Underground main water line between the building and the water meter.