[Ord. No. 955, 5-8-2025]
A.
A certain document, one (1) copy of which is on file in the office of the City Clerk and the City of Granby, Missouri, being marked and designated as the International Building Code, 2018 Edition, including Appendix Chapters C, F, G, I and J, as supplemented and amended, as published by the International Code Council be and is hereby adopted as the Building Code of the City of Granby, Missouri, for regulating and governing the conditions and maintenance of all property, buildings and structures; by providing the standards for supplied utilities and facilities and other physical things and conditions essential to ensure that structures are safe, sanitary and fit for occupation and use; and the condemnation of buildings and structures unfit for human occupancy and use and the demolition of such structures as herein provided; and each and all of the regulations, provisions, penalties, conditions and terms of said Building Code on file in the office of the City of Granby are hereby referred to, adopted, and made a part hereof, as if fully set out in this Section, with the amendments, additions, insertions, deletions and changes, if any, prescribed in Subsection (B) of this Section.
B.
The following amendments to the International Building Code, 2018 Edition, shall apply within the City of Granby, Missouri:
1.
Lot Size.
a.
A building or addition must meet an eight (8) foot setback boundary from an adjacent property and twenty-five (25) feet from all roads and alleys (utilities or utility easements may require more), if the proposed building is otherwise compliant with all codes.
b.
Any concrete pours (patios, courts or slabs) that extend beyond ten (10) feet from the wall of a structure must meet the eight (8) foot setback boundary from the property line.
2.
Footing.
a.
For dwellings, footing must be at least twenty-four (24) inches wide, fifteen (15) inches in depth and contain two and one-half (2 1/2) inch continuous rebar.
b.
For any structure with plumbing, concrete for the footing must meet or exceed three thousand (3,000) psi (pounds per square inch) at twenty-eight (28) days. The bottom of the footing must be at least eighteen (18) inches below finished grade.
c.
Footing For Block Or Stem Wall With Crawlspace. Must be minimum eight (8) inches and twenty-four (24) inches wide for a bock or concrete stem wall or a twelve (12) inch thick footing for a twelve (12) inch thick wall.
d.
Depth. Foundations shall be built upon natural solid ground where possible. Loam or other soil containing organic material shall not be used. Where solid natural ground does not occur at foundation depth, such foundation shall be extended down to natural solid ground or piles shall be used.
3.
Floor.
a.
Concrete. For dwellings, a slab must be at least ten (10) inches above footing and seven (7) inches higher than finish grade that slopes away from the building. The concrete slab must be at least four (4) inches thick. Concrete for the slab must meet or exceed three thousand (3,000) psi (pounds per square inch) at twenty-eight (28) days. Minimum of six (6) mil vapor barrier is required for all interior slabs.
b.
Block Or Stem Wall With Crawlspace. There must be at least twenty-four (24) inches between the crawlspace floor and the bottom of the floor joists. The ground must include a protective moisture barrier of at least six (6) mil for a conditioned crawlspace and on the bottom of the joists for a vented crawlspace.
c.
All slabs must have rebar pins or uprights installed at a minimum of four (4) feet apart.
d.
Monolithic pours must meet or exceed three thousand five hundred (3,500) psi (pounds per square inch) and be a minimum of four (4) inches thick.
5.
Walls.
a.
Single-Story. The minimum [minimum what?] on all walls ten (10) feet and below (exterior or interior) must be twenty-four (24) inches on center with four (4) sheet OSB corners, on standard framing applications, with a double top plate application.
b.
Two-Story. Exterior walls on any two-story building must be a minimum of a standard two by four (2x4) on sixteen (16) inch center with a minimum of seven-sixteenth (7/16) inch OSB sheeting.
6.
Roof.
a.
The roof must meet the minimum [minimum what?] of thirty (30) pounds per square foot, whether utilizing framing or trusses.
C.
This Building Code shall not be construed to relieve from responsibility or to lessen the responsibility of any person, firm or corporation owning, controlling or constructing buildings, nor shall the City be held as assuming any liability of any nature by reasons of the inspection authority hereby issued to the City Building Inspector for inspection of buildings.
D.
It shall be the duty of any owner or subdivider of property, to extend to such property or subdivision, and each lot within said subdivision, as directed by the Building Inspector of the City of Granby, utilities at the property owner's or developer's cost and expense in compliance with the Code of Ordinances of the City of Granby.