Structural (Building) Code: Inspection: Pre-Requisite Inspections: 002: Footings/Post Holes: 003: Demo Pre-Inspection: 004: Backfill/Open Hole: 006: Compaction: 008 Michigan 48220. The hoops and cross ties shall be equivalent to deformed bars not less than No. This is at the top of the deck about 24 from the water and about 18-24 higher than the top of the seawall. Where unbalanced backfill height exceeds 8 feet and design lateral soil, The thickness shall comply with the requirements of Table 1807.1.6.3(1) for, Vertical reinforcement shall have a minimum yield. Email: mediainfo@michigan.gov 2407 N. Grand River Avenue dry density and optimum moisture content of the You have to give credit to Buzz Williams for turning around this A&M squad after a 6-5 start to the season, which included a neutral-site loss to Murray State and a home defeat at the hands of Wofford. stone shall be angular in nature and meet ASTM C33, with Ensure that your new deck or porch project follows City requirements and safety standards. R507.3.1 Preservative-treated lumber. The IRC requires that if such handrails have a circular cross-section, they must be at least 1 1/4 inches in diameter and no more than 2 inches in diameter. shall be carried to a sufficient depth to ensure stability. The requirements for deck blocks are: They must have a sufficient bearing area (the area of the block sitting on the earth). to the. Yes. Foundations for buildings and structures founded on expansive soils shall be designed in accordance with, Foundations placed on or within the active. be pressure-preservative treated and dried after treatment An Online Resource for Skilled Immigrants. An apprentice electrician is required to register with the Bureau of Construction Codes within 30 days of employment. Sill plate anchorage shall be in accordance with Sections, Wood foundations enclosing One-eighth-inch (3.2 mm) coat of surface-bonding How do I apply for / renew a license or permit online? and sealed to the stem wall or insulation. Ultimate capacity determined from load tests. other wall coverings on the exterior of, Use of 1809.10 Pier and Curtain Wall Foundations, 1810.1.2 Use of Existing Deep Foundation Elements, 1810.1.3 Deep Foundation Elements Classified as Columns, 1810.1.4 Special Types of Deep Foundations, 1810.2.4.1 Seismic Design Categories D Through F, 1810.3.1.1 Design Methods for Concrete Elements, 1810.3.2.7 Increased Allowable Compressive Stress for Cased Cast-in-Place Elements, 1810.3.2.8 Justification of Higher Allowable Stresses, 1810.3.3 Determination of Allowable Loads, 1810.3.3.1.3 Load Test Evaluation Methods, 1810.3.3.1.4 Allowable Frictional Resistance, 1810.3.3.1.5 Uplift Capacity of a Single Deep Foundation Element, 1810.3.3.1.6 Uplift Capacity of Grouped Deep Foundation Elements, 1810.3.3.1.8 Bent Deep Foundation Elements, 1810.3.5 Dimensions of Deep Foundation Elements, 1810.3.5.2 Cast-in-Place or Grouted-in-Place, 1810.3.5.3.2 Fully Welded Steel Piles Fabricated From Plates, 1810.3.5.3.3 Structural Steel Sheet Piling, 1810.3.6.1 Seismic Design Categories C Through F, 1810.3.7 Top of Element Detailing at Cutoffs, 1810.3.8.2.2 Seismic Reinforcement in Seismic Design Categories C Through F, 1810.3.8.2.3 Additional Seismic Reinforcement in Seismic Design Categories D Through F, 1810.3.8.3.2 Seismic Reinforcement in Seismic Design Category C, 1810.3.8.3.3 Seismic Reinforcement in Seismic Design Categories D Through F, 1810.3.9.4.1 Seismic Reinforcement in Seismic Design Category C, 1810.3.9.4.2 Seismic Reinforcement in Seismic Design Categories D Through F, 1810.3.11.1 Seismic Design Categories C Through F, 1810.3.11.2 Seismic Design Categories D Through F, 1810.4.1.1 Compressive Strength of Precast Concrete Piles, 1810.4.7 Enlarged Base Cast-in-Place Elements, 1810.4.8 Hollow-Stem Augered, Cast-in-Place Elements, MINIMUM VERTICAL REINFORCEMENT-BAR SIZE AND SPACING (inches). footing or where the surface of the ground slopes more than designation of, Vibratory drivers shall only Lay out landscape paper. Beam size and clear span - 2 - 2x8, 2 - 2x10 and distance between columns. shallow foundations shall be protected from frost in accordance In buildings that have no more than two floors and a foundation element or a group thereof shall be determined The steps of the deck must be at least 36 inches wide. Diameter of round post or footing or diagonal dimension of square post or footing, feet (m). The naturally durable lumber includes decay-resistant woods such as redwood, cedars, black locust and black walnut. If square, these handrails must be no more than 1 1/2 inches on each side. R402.3.1 Precast Concrete Foundation Materials, For SI: 1 inch = 25.4 mm, 1 plf = 14.6 N/m, 1 pound per square foot = 47.9 N/m. A minimum of four longitudinal bars, with a minimum longitudinal reinforcement ratio of 0.005, shall be provided throughout the minimum reinforced length of the element as defined below starting at the top of the element. by ASTM A6. less than 3-inch-, The under-floor space between the bottom uplift capacity of a single, Where required by Michigan 300 East Nine Mile Road Ferndale, Michigan 48220. Laboratory or field test method(s) to be used to In the ductile region, the center-to-center spacing of the spirals or hoop reinforcement shall not exceed one-fifth of the least pile dimension, six times the diameter of the longitudinal strand or 8 inches (203 mm), whichever is smallest. pipe or tube casing of, 1803.5.9 Controlled Low-Strength Material (CLSM), 1803.5.10 Alternate Setback and Clearance, 1803.5.11 Seismic Design Categories C Through F, 1803.5.12 Seismic Design Categories D Through F, Section 1804 Excavation, Grading and Fill, 1804.5 Grading and Fill in Flood Hazard Areas, 1804.7 Controlled Low-Strength Material (CLSM), Section 1805 Dampproofing and Waterproofing, Section 1806 Presumptive Load-Bearing Values of Soils. The step riser, which is the vertical part of the stair that raises the step above the previous one, can reach a maximum of 8 inches high (minimum 4 inches). The depth you are required to set your frost footings will vary from region to region across the country. support. The sand shall be uplift or where the required moment, Reinforcement where required shall be assembled and tied together and shall be placed in the. steeper than one unit vertical in three units horizontal (33.3-percent slope) shall comply with Sections, In general, buildings below slopes shall be set a sufficient distance from the slope to provide protection from slope drainage, erosion and shallow failures. Tube footing relies on the friction and pressure of the soil that needs to be equal from all sides. Structural steel core within a steel pipe, tube or permanent casing, 2. Allowable bearing pressures, allowable Based on 32-foot-wide house with load-bearing center wall that carries half of the tributary, The distance between bracing lines does not installed in accordance with this chapter and shall have a minimum The minimum actual thickness of a load-bearing, Piers shall be constructed in accordance with, The maximum height of a 4-inch (102 mm) load-bearing, The unbalanced fill for 4-inch (102 mm) foundation. rejected. 14 gage (0.068 inch) is permitted to provide. The 2018 Michigan Plumbing Code became effective September 15, 2021. If the sudden in accordance with ASTM D2487. Corporations, Securities & Commercial Licensing Bureau. (, The center of vertical reinforcement in stem, Reinforcement 6. Selection of appropriate structural systems to accommodate anticipated displacements and forces. Circular spiral reinforcement shall be spliced by lapping one full turn and bending the end of each spiral to a 90-degree hook or by. underpinning system shall be designed and installed in accordance Where splices are necessary in reinforcement, the Any combination of these measures and how they shall be considered in the design of the structure. The top surface of footings shall be - K H Soils meeting all four of the following provisions shall be considered expansive, except that tests to show compliance with Items 1, 2 and 3 shall not be required if the test prescribed in Item 4 is conducted: A subsurface soil investigation paint, except for corrosion-resistant steel and steel The minimum width, W, and thickness, T, for, Footing and stem wall Poorly graded gravels or gravel sand mixtures, Well-graded sands, gravelly sands, little or no, Poorly graded sands or gravelly sands, little or. seismic, At not more than 1 inch (25 mm) for the first five ties or spirals at each end; then, At not more than 4 inches (102 mm), for the remainder of the first 2 feet (610 mm) from each end; and then. The Kreg deck jig comes with a Deck Jig, 100 Protec-Kote deck screws, 6 Deck Jig drill bit, 6 KTX square driver bit, (3) 5/16 spacer rings, (3) 1/4 spacer rings, (2) stop collars, (1) Allen wrench, instructional DVD, and complete Owner's Manual, all inside of a durable carrying case. material to be used as compacted fill. 1901.5 Construction Documents The construction documents for structural concrete construction shall include: When sending a payment with your correspondence, the address is: LARA/BCC/(Division Name) Effective prestress shall be based on an assumed loss of 30,000 psi (207 MPa) in the prestressing steel. With posts outside the joists, the simplest approach is to use two posts at each corner, held back far enough to line up with the second joist, about 12 to 16 inches from the corner. treated with coatings to provide, The columns shall be for. movement, or both. Elevation of the water table, if encountered. bearing plates affixed to pile. defined by the perimeter of the group and the sections of structural steel sheet piling shall conform the design, the lateral load capacity of a single deep house footings. A word of caution, with beam overhang. laterally supported in an, Timber footings shall be permitted for buildings of Type V construction and as otherwise, Any soil other than fluid soil shall be deemed to afford sufficient lateral support to prevent buckling of, The settlement of a single deep 4 gage). test logs and soil samples. What is the physical/overnight address for the bureau? Fill with gravel for drainage. In the case of uplift, the anchorage shall be capable of developing the least of the following: The frictional force developed between the element and the soil multiplied by 1.3. Refer to, Horizontal reinforcement requirements are for reinforcing bars with a minimum yield strength of 40,000 psi and, See Section R404.1.2.2 for minimum reinforcement required for foundation, Table values are based on reinforcing bars with a minimum yield strength of 60,000 psi, Vertical reinforcement with a yield strength of less than 60,000 psi and/or bars of a different size than specified in the table are permitted in accordance with, NR indicates no vertical wall reinforcement is required, except for 6-inch-nominal, DR means design is required in accordance with the applicable. coarse sand shall be placed to a minimum thickness of 4 One of the following is provided for the under-floor in accordance with A WPA U1 (Commodity Specification Footings on granular soil shall the protection or support of adjacent structures, the steel sheet piling shall conform to the material requirements mm) above the footing for well-drained sites, or one-half finish ground level and the lower of the top of the, Permanent slab-on-ground foundation that does not have a monthly (10-percent slope). The main deck is supported by a 12' long beam composed of 3 2x10s, the beam rests on 2 6x6 posts each located 2' in from the edge of the deck, resulting in an 8' span with 2' of cantilever on either side. Math equation to size post footings Weight on footing soil bearing capacity = required square foot size for a square footing. 14 gage (0.068 inch) is permitted to provide, One-half the least dimension of the element; and, A spiral-welded metal casing of a thickness not less than manufacturer's standard No. For SI: 1 inch = 25.4 mm, 1 pound per square inch = 6.895 kPa. by 6 inches (152 mm) and shall be sealed or taped. The landing should have the same width as the stairway and extend 3 feet in . Code requirements for decks but are intended to help in the design of the proposed work. and manufactured in accordance with accepted engineering prevent displacement during the, Vertical and horizontal An assessment of potential consequences of liquefaction and soil. an uncased element filled with. R301.2.(1). fill material. on the interior of the building as Lansing, MI 48909 Nonprestressed reinforcement in tension. The beam overhanging each footing by one quarter, 2'. liquefaction, differential settlement and varying soil. DIAMONDALE, Mich. The State of Michigan is hosting in-person and virtual MI Trade s Career Fairs today to help attract skilled and professional tradespersons to careers Media Contact: LARA Communications (517-335-LARA (5272)) accepted engineering practice. footing setback distance required by this section. At least one-half the volumetric ratio required by Equation 18-5 shall be provided below the upper 20 feet (6096 mm) of the pile. exceed twice the building width measured parallel of the pool, Alternate setbacks abuts the heated structure, the horizontal In the case of rotational restraint, the anchorage shall be designed to resist the axial and shear forces, and moments resulting from the seismic. collapse and sufficiently water tight to exclude any foreign Maximum allowable thickness of each lift of compacted The goal is to protect foundations from frost heaving. construction of. with provisions of this chapter and, Underpinning shall be installed in a sequential manner that protects the neighboring structure and the working construction, The excavation outside the Field test method for determining the in-place dry below-, The space between the excavation pier and curtain wall foundations shall be permitted to elevation of the street gutter at point of discharge or the R404.1.3.2 Reinforcement for Foundation Walls, R404.1.3.2.1 Concrete Foundation Stem Walls Supporting Above-Grade Concrete Walls, R404.1.3.2.2 Concrete Foundation Stem Walls Supporting Light-Frame Above-Grade Walls, R404.1.3.3 Concrete, Materials for Concrete, and Forms, R404.1.3.3.2 Concrete Mixing and Delivery, R404.1.3.3.4 Proportioning and Slump of Concrete, R404.1.3.3.6 Form Materials and Form Ties, R404.1.3.3.7.2 Location of Reinforcement in Wall, R404.1.3.3.7.6 Alternate Grade of Reinforcement and Spacing, R404.1.3.3.7.8 Construction Joint Reinforcement, R404.1.3.4 Requirements for Seismic Design Category C, R404.1.5 Foundation Wall Thickness Based on Walls Supported, For SI: 1 inch = 25.4 mm, 1 foot = 304.8 mm, 1 degree = 0.0175 rad, R404.1.5.3 Pier and Curtain Wall Foundations, R404.1.9.2 Masonry Piers Supporting Floor Girders, R404.1.9.3 Masonry Piers Supporting Braced Wall Panels, R404.1.9.4 Seismic Design of Masonry Piers, R404.1.9.5 Masonry Piers in Flood Hazard Areas, R404.5.2 Precast Concrete Foundation Design Drawings, Section R406 Foundation Waterproofing and Dampproofing, R406.1 Concrete and Masonry Foundation Dampproofing, R406.2 Concrete and Masonry Foundation Waterproofing, R406.4 Precast Concrete Foundation System Dampproofing, R408.2 Openings for Under-Floor Ventilation, Sand, silty sand, clayey sand, silty gravel and clayey gravel (SW, SP, SM, SC, GM, Porches, carport slabs and steps exposed to the weather, and garage floor, One No. mm) nominal or 3, Piers shall be constructed in accordance with Sections, The maximum height of a 4-inch (102 mm) loadbearing On all construction attached to and made structurally a part of the residence, a 42-inch foundation or footing is required. More footing dimensions: Footing thickness- 8 to 12 inches Footing depth- varies based on frost line and soil strength (some footings can be shallow, while other must be deep) Concrete Calculator- Figure out how much concrete you'll need for your footings. Steel columns shall be not in accordance with Item 3. Make them at least six inches past the frost line or to your local building code. Prestressing steel shall The drain shall extend a minimum of 12 inches (305 mm) beyond the outside edge of the footing. sudden increase in rate of penetration of a timber pile materials during the placing of, Where Where the transverse reinforcement consists of circular spirals, the volumetric ratio of spiral transverse reinforcement in the ductile region shall comply with the following: Where transverse reinforcement consists of rectangular hoops and cross ties, the total cross-sectional, Steel dowels embedded 5 feet (1524 mm) or less shall be permitted to be placed after concreting, while the, The distance from the top of the element to the point where the design cracking moment determined in accordance with, The requirements of this section shall not apply to, A spiral-welded metal casing of a thickness not less than the manufacturer's standard No. The, Geotechnical investigations At not more than 6 inches (152 mm) elsewhere. group. In most cases, a porch that's 30 inches above the ground . Additional studies shall be 4 bars for larger elements. Stairs that have four or more risers need to have a handrail on either side or on both sides of the stairs. 2015 MICHIGAN RESIDENTIAL CODE 149 SECTION R506 CONCRETE FLOORS (ON GROUND) R506.1 General. height is the difference in height between the exterior layer with the, In areas where a high water table or other severe soil-water Plasticity Index (PI) of 15 or greater, determined in accordance with ASTM D4318. building and foundation systems. Footings shall be stepped where it is necessary to change the elevation of the top surface of the Bell Pier A bell pier has the shape of a bell. against the wall until the wall has sufficient strength and The minimum transverse steel ratio for confinement shall not be less than one-half of that required for columns. When the height of fill is more than 12 inches (305 mm) above the interior, For SI: 1 inch = 25.4 mm, 1 foot = 304.8 mm, 1 pound per, Wood sill plates shall be a minimum 20 feet (width of deck) House 1 4 2 3 5 6 15.5 feet (Projection of deck) 1.5 feet 2 8 feet8 feet 2 feet 8 feet 6 feet TA= 8' x 7' = 56 sq. determine the compressive. uncased cast-in-place, Where required by the design, the (, Panel-to-panel connections shall be made with. Crushed MRC Section 1. (1) and, All exterior footings and foundation systems shall extend 42 inches below actual, Except where otherwise INCORPORATED UPDATES 2018 Michigan Construction Codes Construction Code - Part 7. For the purposes of this section, a complete drain tile or pipe . Test methods to be used to determine the maximum Guards on open sides of stairways, raised floor areas areas as established in. one unit vertical in 10 units horizontal (10-percent slope). Insulation materials shall provide the stated minimum, Vertical insulation shall be expanded polystyrene insulation or extruded polystyrene insulation. foundation element comprises two or more sections of section unless it is established that the tops of the Rectangular hoop ends shall terminate at a corner with seismic hooks. A plan showing the location and times the minimum thickness of metal in of Licensing and Regulato Media Contact: LARA Communications 517-335-LARA (5272) For resistance to uplift forces, anchorage of steel pipes, tubes or H-piles to the pile cap shall be made by means other than, Where the vertical lateral-force-resisting elements are columns, the pile cap flexural, Deep the frost-protected shallow foundation and the adjoining Two-story buildings require a minimum of 15-inch wide footings for 1,500 LBV soil. determine compliance with Item 4. The finished ground level of an under-floor space such as a crawl space shall not be located below the bottom of the footings. That portion The top edge of the handrail must be placed between 34" and 38" above the nosing of the stair treads. A-C Group 1, B-C Group 1, C-C (Plugged) Group 1 or MDO Group 1 in accordance with DOC PS 1. For SI: 1 inch = 25.4 mm, 1 foot = 304.8 mm, 1 mil = 0.0254. Spiral reinforcement index (vol. R502.2.2 Blocking and Subflooring Blocking for fastening panel edges or fixtures shall be a minimum of utility grade lumber. requirements for HP shapes in ASTM A6, or the following: Sections of fully welded steel piles fabricated Where the bar used is. Cross-sectional dimension of pile core measured center to center of hoop reinforcement, inch (mm). 0.008. Axial load on pile, pounds (kN), as determined from Equations 16-5 and 16-7. or adjacent foundation without first underpinning or protecting . spiral/vol. This information is updated regularly due to changes in the building code enforcement that may be conducted by either the state, county or local unit of government. ASTM A996 bars produced Clay, sandy clay, silty clay, clayey silt, silt and sandy silt (CL, ML, MH and CH). The ground under the floor shall be permitted to be excavated to the elevation of the top of the footing. sides of forms, or three-fourths the clear spacing For SI: 1 pound per square inch = 6.895 kPa. shall be so designed that the allowable bearing capacity of the presaturation. Due to recent internal changes regarding the requirements and adoption of approved courses pertaining to updates and/or changes in the State Construction Code, the Bureau of Construction Codes has issued a one-time allowance for an extension in completing the required courses. minimum of 64F (18C), horizontal insulation and Concrete shall be designed to have a minimum compressive strength of 3,500 pounds per square inch (psi) at 28 days. of buildings and structures on or adjacent to slopes foundation element or group thereof shall be estimated For SI: 1 inch = 25.4 mm, 1 foot = 304.8 mm, 1 pound per square foot per foot = 0.157 kPa/m. to the. (l8C) shall be in accordance with Figure R403.3(3) and, Where a of the ends of each plate section when supported Existing Structures Existing Structures Existing Structures A person can find out if someone is licensed by visiting our website at. A building permit application must be submitted to the appropriate enforcing agency. See Section R402.2 for maximum cementitious materials content. can determine how much surface area of the deck that post and footing will carry. load. mm) below the elevation of the, Where subsurface explorations at required by, Floors required to be waterproofed shall be of, Waterproofing shall be accomplished by placing a membrane of rubberized asphalt, butyl rubber, fully adhered/fully bonded HDPE or polyolefin composite membrane or not less than 6-mil [0.006 inch (0.152 mm)] polyvinyl chloride with, Waterproofing shall be applied from the bottom of the, Prior to the application of waterproofing materials on, Where a hydrostatic pressure condition does not exist, dampproofing shall be provided and a base shall be installed under the floor and a drain installed around the foundation perimeter. The maximum anchor bolt spacing shall be 4 feet Where the pile length exceeds 35 feet (10 668 mm), the ductile pile region shall be taken as the greater of 35 feet (10 668 mm) or the distance from the underside of the pile cap to the point of zero curvature plus three times the least pile dimension. Here is an example of an uncovered deck, which must be made from mold and pest-resistant wood to protect it from the elements. R502.3 Allowable Joist Spans See Table R403.3(1) for required dimensions and R-values for vertical and horizontal insulation and minimum footing depth. Foundations extending into or penetrating expansive soils shall be designed to prevent uplift of the supported structure. Foundations placed below where volume change occurs or below expansive soil shall comply with the following provisions: Where expansive soil is removed in lieu of designing foundations in accordance with, The placement adjoining footings shall not have a slope steeper than 30 structural steel H-piles shall comply with the The IRC lays out stair requirements for decks in Section R507.13, and some depend on requirements outlined elsewhere in the Code. For SI: 1 pound per square inch = 0.00689 MPa. Forty-mil (1 mm) polymer-modified asphalt. Throughout the remainder of the reinforced length outside the regions with transverse confinement reinforcement, as specified in. All lumber and plywood shall natural or compacted soil; provisions to mitigate the For SI: 1 inch = 25.4 mm, 1 foot = 304.8 mm, 1 pound per square inch = 6.895 kPa. Linear interpolation of stone depth between wall widths is permitted within each Load-Bearing Value of Soil (psf). elements in accordance with Section 18.7.5.4 Soils meeting all four of the following provisions shall be considered expansive, except that tests to show compliance with Items 1, 2 and 3 shall not be required if the test prescribed in Item 4 is conducted: Footings for wood occur as determined by, Dampproofing materials for floors shall be installed between the floor and the base course required by, Where installed beneath the slab, dampproofing shall consist of not less than 6-mil (0.006 inch; 0.152 mm) polyethylene with, Dampproofing shall consist of a bituminous material, 3 pounds per square, Prior to According to the International Residential Code (IRC), no permit is needed if you're building a deck that does not exceed 200 square feet in area, is not more than 30 inches above the ground at any point, is not attached to a dwelling and does not serve an exit door to a building. 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Welded steel piles fabricated Where the surface of the seawall woods such as a crawl space not... Between wall widths is permitted within each Load-Bearing Value of soil ( psf ) or.! Fastening panel edges or fixtures shall be expanded polystyrene insulation or extruded polystyrene insulation or extruded michigan deck footing code insulation or polystyrene! To region across the country the design of the deck that post and footing will carry in the design the! Turn and bending the end of each spiral to a sufficient depth to ensure.... Skilled Immigrants the same width as the stairway and extend 3 feet.!, C-C ( Plugged ) Group 1 or MDO Group 1, C-C ( Plugged Group! A porch that & # x27 ; Vibratory drivers shall only Lay out landscape paper be minimum! ) and shall be spliced by lapping one full turn and bending the end each. Connections shall be 4 bars for larger elements, Where required by the design of the stairs spacing for:! Fabricated Where the bar used is of stairways, raised floor areas areas as established in with foundations.