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2015 International Residential Code: section 109
R109.1 General.
Construction for which a building permit is required shall not be covered or concealed
without first obtaining the approval of the building official.
R109.1.2 Plumbing, mechanical, gas and electrical rough-in.
Rough inspection of plumbing,
mechanical, gas and electrical systems shall be made prior to covering or concealment.
R109.1.4 Frame inspection.
To be made after the roof, all framing, fire blocking and bracing is in place
and all pipes, chimneys and vents are complete and the rough electrical, plumbing, and heating wires, pipes
and ducts are approved.
R109.1.5 Other inspection.
In addition to the listed inspections specified above, the building official
may make or require other inspections of any construction work to ascertain compliance with the
provision of this code and other laws which are enforced by the code enforcement agency.
R109.1.5.1 Fire-resistant construction inspection. To be made after gypsum wallboard is in place but
before joints and fasteners are taped and finished.
R109.1.6 Final inspection.
To be made after the building is completed and ready for shipment.
2015 International Mechanical Code: section 107 (for IBC buildings)
107.1 General.
Mechanical systems for which a permit is required by this code shall be subject to
inspection by the building official and such mechanical systems shall remain accessible and exposed for
rough in and final inspections until approved by the building official.
2015 Uniform Plumbing Code (for IBC and IRC buildings)
105 .1 General.
Plumbing systems for which a permit is required by this code shall be inspected by the
Authority Having Jurisdiction. No portion of any plumbing system shall be concealed until inspected and
approved. Neither the Authority Having Jurisdiction nor the jurisdiction shall be liable for expense entailed
in the removal or replacement of material required to permit inspection. When the installation of a
plumbing system is complete, an additional and final inspection shall be made. Plumbing systems regulated
by this code shall not be connected to the water, the energy fuel supply, or the sewer system until
authorized by the Authority Having Jurisdiction.
2015 International Fire Code (for IBC buildings)
106.2 Inspections.
The fire code official is authorized to conduct such inspections as are deemed necessary
to determine the extent of compliance with the provisions of this code and to approve reports of inspection
by approved agencies or individuals.
106.2.2 Approval Required.
Work shall not be done beyond the point indicated in each successive
inspection without first obtaining the approval of the fire code official.
2015 Washington State Energy Code: section R104 (for IRC buildings)
104.1
General.
All construction or work for which a permit is required shall be subject to inspection by the
building official and all such construction or work shall remain accessible and exposed for inspection
purposes until approved by the building official.
104.2
Approvals Required:
No work shall be done on any part of the building or structure beyond the
point indicated in each successive inspection without first obtaining the approval of the building official.
104.2.1 Wall Insulation Inspection:
To be made after all wall insulation and vapor retarder sheet or film
materials are in place, but before any wall covering is placed.
104.2.1 Final Inspection: The building shall have a final inspection.