This is a minimum. DIY Patio Cover Permit Requirements. 9 Guards, where more than 30 inches above adjacent grade (within 36” of porch or deck edge) and loads – BC 1013, BC 1607. shall be indicated. 1 This ladder system is designed to meet the loading requirements of OSHA 1910. to support the actual weight of all soil loads. For a Gothic style, the rafters must equal the span (60°) , while an Elizabethan style requires the rafters to be longer than the span. 0 3 Introduction 1. However, if the attic is intended for storage, the attic live load (or some portion) should also be considered for the design of. Many more plant options including trees. 0 psf Live Load = 20 psf ; may be less depending on roof slope. snow load: buildings must be designed using a minimum roof live load of 40 pounds. 96 kN/m 2) or less. Snow Load: In the northern US, design of a building to withstand snow loading is critical. • Where the existing roof has two or more applications of any type of roof covering. The construction of buildings and structures in accordance with the provisions of this code shall result in a system that provides a complete load path that meets all requirements for the transfer of all loads from their point of. w = the maximum allowable distributed stationary live load, pounds per square foot s = the allowable extreme fiber stress in tension excluding shrinkage stress and is assumed to be equal to one-half the normal 28-day concrete flexural strength, pounds per square inch. com Roof Deck Design Guide • V1. 2 Masonry Design 48 210. For example, a code user cannot enter the table with a live roof load of 60 psf, with roof truss spacing of 24”o. 27 (b) (2) (vii) requires that employers ensure that all components of each RDS, except seat boards, are capable of supporting a minimum rated load of 5,000 pounds. The County requirement of minimum unreducible roof live load of 30psf shall apply outside the photovoltaic panel footprint. The roof live load used in the. It has areas of deep and shallow substrate and is designed for a dead load of 300kg/m 2 and a live load of 300kg/m 2 on the decking and walkway mesh areas, and 150kg/m 2 on the planting. *Applicable taxes may apply. for wood construction, and support and anchorage requirements of solar panels in accordance with industry standards. 0 psf Live Load = 20 psf ; may be less depending on roof slope. Requirements will depend a lot on what part of the country you live in and what kinds of loads your home was originally designed to sustain (snow, wind, rain etc. USG Minimum Design and Construction Requirements for Wood Framed Structures 1. For example, historically, UK office buildings have been designed and marketed with live loadings of 3. where D = dead load; F = lateral fluid pressure; T = self-straining force (creep, shrinkage, and temperature effects); L = live load; H = load due to the weight and lateral pressure of soil and water in soil; L r = roof load; S = snow load; R = rain load; W = wind load; E = earthquake load. The minimum design roof snow load is 20 psf + 5 psf rain on snow surcharge where applicable per the Oregon Structural Specialty Code. With an engineered system, it is not uncommon to see applied loads ranging from 900 to 1,200 pounds (for a single user) during fall arrest. Often lightly furnished, the majority of the live load imposed upon the structural elements will be attributable to people. The LRFD methodology for wood adopts code-accepted load factors that smooth reliability across load cases. 2)Ground Snow Load, P g = 25 psf b) (ASCE 7, 7. Requirements were enacted for building standards, such as fire resistance, drainage, and fall protection. 3 Live Loads 46 209 Roof, Floor, Ceiling, and Wall Systems 47 210 Design Specifications and. Building Regulations is the office within the Resource Management Department that has the legal jurisdiction to issue permits for all phases of construction. Fairplay, CO 80440. • The 250-lb. ** NOTE TO SPECIFIER ** Consult with membrane manufacturer, insulation manufacturer and Envirospec Inc. Is a permit required to re-roof my house? Yes, a permit is required to reroof your house. As such, design load requirements will exceed the true live load a structure will actually bear. Roof snow loads can vary depending upon melting and re-freezing of snow and ice, roof slope, type of roof, aspect, drifting, etc. 06)(50) Reduced live load = 47psf • Minimum roof live loads: prescribed by code and act on a horizontal projected area • Nomenclature - A t Tributary roof area supported by structural member - R 1 Roof area reduction factor - R 2 Roof slope reduction factor - L. Figure 2 - The cantilever supports the outside wall only and a beam is used to transfer the roof load to the foundation. While I don't expect a catastrophic failure, recent 2-foot dumps in central New Hampshire show that we can have some good snow loads. These numbers come from assumptions about the weights of building materials and the live and dead loads on roofs and floors. No reduction of the live load is allowed in the design of any slabs or joists. *Applicable taxes may apply. The snow loads that are given are ground snow loads and for the design of the structure may be reduced by calculation per the current adopted codes by a design professional. o Design roof live load specified per CBC 1607. This information is intended as a guide and does not relieve the applicant from complying with all applicable code requirements. 1 (Minimum Uniformly Distributed Live Loads and Minimum Concentrated Live Loads), Section 30 (Roofs) i. 2 Limitations on live load reduction shall be as noted in Section 4. Where snow isn't a problem, the live load can come from people working on the roof and any equipment they take on to the. Snow Roof load Tables TimberStrand® LSL 22–23 Microllam® LVL 24–25 Parallam® PSL 26–27 Non-Snow Roof Load Tables TimberStrand® LSL 28–29 Microllam® LVL 30–31 Parallam® PSL 32–33 Beam Details 34 Window and Door Header Details 34–35 Nailing on Narrow Face 35 Allowable Holes 36 Bearing Length Requirements 36 Tapered End Cuts 37. roof live load is treated separately, or if other types of loads are present. Roof structures that provide support for photovoltaic panel systems shall be designed for applicable roof live load…” “R907. The Regional District Building Official is available to provide additional information regarding building bylaw requirements within a Municipality. 1700 - Ground Snow Load to verify by county. Understanding styles of roof hatches, their applications and codes helps architects and building owners specify the right product, in the right place while being code compliant. The roof shall be designed for the live load indicated in Table 301. Foundations with stem walls shall be provided with a minimum of one # 4 bar at the top of the wall and one #4 bar at the bottom of the footing. 08 k/ft Required Moment (LRFD), Mu = Wu L^2 /8 = 2. My question is can this load be reduced to 0 lb/ft^2 at the owner's request and the tank still be considered an API 650 tank?. 88 N/m 2; 1 ft = 0. The live load has been taken on the basis of IS : 875-1964, provision for roof live loads, after reducing for roof slope and supporting member as allowed in the code. USG Minimum Design and Construction Requirements for Wood Framed Structures 1. The roof cannot have more than three layers of roofing. 1 Roof live load. Figure 2 - The cantilever supports the outside wall only and a beam is used to transfer the roof load to the foundation. Machine Stress Rated Lumber (MSR) Lumber which has been individually tested. Letherer Truss, Inc. • Requirements for the connections between a storm shelter and its host building are also defined. Actual load due to snow will depend upon the shape of the roof and its capacity to retain the snow; and each case shall be treated on its own merits. IgCC New Edition Published Public Comment Hearing Public Comments Available. A 10-foot–by–12-foot wall claims. The minimum design roof snow load is 20 psf + 5 psf rain on snow surcharge where applicable per the Oregon Structural Specialty Code. The area of the occupied roofs shall not be included in the building area as regulated by Section 506. Your building's roof load rating should well exceed your town's expected loads; we recommend a safety margin of at least 10 lbs/sq. Basic Lumber Design Values are F =2000 psi F =1100 psi F =2000 psi E=1,800,000 psi Duration Of Load = 1. (County amendment) d- Snow Loads: (Section 1603. 2 Structural Panels 49 211. Complete and separate roofing systems, such as standing-seam metal roof systems, that are designed to transmit the roof loads directly to the. The calculation of wind loads on a roof is an essential part of the design process. shall be designed for uniform live loads as required in lower roof load than specified in the following equa- tions shall not be used unless approved by the building official. Ceiling Dead load = 10 lb/ft2 Note: Live load on the roof is snow load and dead loads are roofing on the top chord and drywall on the ceiling. 0 psf Live Load = 20 psf ; may be less depending on roof slope. The purpose of this Web site is to provide ground snow load analysis information and data gathered from all 50 States. Those loads produced (1) during maintenance by workers, equipment and materials; and (2). 5 – Deck live load = 60psf, deck dead load = 10psf) JOIST SIZE ON-CENTER SPACING MAXIMUM JOIST SPAN MAXIMUM JOIST SPAN WITH CANTILEVERS 2X6a 16” o. STANDARD LIGHTLINE CANOPY SNOW LOAD MAP (v10/11) (U. Revise Table R301. To ensure the construction of a quality roof deck, provisions for the following items should be in-cluded in the deck design:. Example 2: Design the roof slab, beam and column of house given in figure 1. An average deck would be designed to handle a load of 50 psf (pounds/square foot) and is made up of 10 psf for the dead load and 40 psf for the live load. However the minimum design roof snow load shall not be less than 30 PSF plus the drift per the county Subtitle 4 code amendment. Revisions to the live load requirements for balconies and decks, roofs, and vehicle barrier systems have been made which better define the nature of live loads. " Fixed stairways shall have a minimum width of 22 inches. Design loads: a. Floor live rhe unitormly distributed, con-. 1 and are applied to the design of structural members arranged so as to create continuity, the reduced roof live load shall be applied to adjacent spans or to alternate spans, whichever produces the most unfavorable load effect. 2 Roof live load. Oregon requires a minimum roof snow load of 20 psf (pm in ASCE7*) for all roofs, plus a 5 psf rain-on-snow surcharge for many roof types, resulting in a 25 psf minimum roof design load for most roofs. w = the maximum allowable distributed stationary live load, pounds per square foot s = the allowable extreme fiber stress in tension excluding shrinkage stress and is assumed to be equal to one-half the normal 28-day concrete flexural strength, pounds per square inch. 1 and are applied to the design of structural members arranged so as to create continuity, the reduced roof live load shall be applied to adjacent spans or to alternate spans, whichever produces the most unfavorable load effect. MiTek Multi-Brace, the all purpose brace. 4 welded wire reinforcement, OR No. The greatest pressures are experienced at the windward corners and edges of the roof, where the negative pressure exerted on the roof can be several times that experienced in the central areas. SNOW LOADS Grade Plane — Average elevation of finished ground level adjacent to the building at exterior walls. Some terms your building dept. " Clearly, many of those who responded did not know they were located in. 1 CHAPTER 7 — LOADS 2 3 7. Table uses 70 psf. Actual load due to snow will depend upon the shape of the roof and its capacity to retain the snow; and each case shall be treated on its own merits. 2 Allowable live load reductions. metal roof systems and 1⁄ 4-in-12 (1. requires the Manufactures Roof Snow Load Information to insure the Proper Placement of Homes and Accessories based on the snow load studies specific to the area of placement. Determine if partition loads comply. (Snow load details are available at the. Live load pressure due to E80 loading for track parallel to shoring system. The final rule requires that seat boards are capable of sustaining a live load of 300 pounds. The roof snow load is a uniform load on the horizontal projection of the roof. The roof dead load shall be 4 lbs. ft openings as the standard for various structures. 3 Design Loads for Decks, Deck Systems, and the Top Slabs of Box Culverts Where the slab spans primarily in the transverse direction, only the axles of the design truck of Article 3. Roof loads are a downward (vertical) force on the home. Ground snow load used for determining drift requirements is based on Snow Load Analysis for Oregon as published by the Structural Engineer Association of Oregon. requirements necessary for Capstone Design. 1 and are applied to the design of structural members arranged so as to create continuity, the reduced roof live load shall be applied to adjacent spans or to alternate spans, whichever produces the most unfavorable load effect. If FM Global insures the structure, or the specifier has used FM Global as the sole criteria for calculating wind loads, there is an additional step needed to comply with project documents. Roof loads are used to determine the size of beams, joists and columns that support a roof. nowhere near public streets. Of the three values, 6% is the least so the reduced live load will be: 50 - (. Mentioned sections and appendices are listed below: Main body: Section 1:scope. See Section 1607. Buildings and structures, and allparts thereof, shall be constructed to safely support all loads, including dead loads, live loads, roof loads, flood loads, snow loads, wind loads and seismic loads as prescribed by this code. shall be indicated. requires the Manufactures Roof Snow Load Information to insure the Proper Placement of Homes and Accessories based on the snow load studies specific to the area of placement. 1 70212 12-19-16 ORDINANCE NO. 6, which states: "The roof shall be designed for the Live Load indicated in Table R301. Minimum roof live loads. Answer: That depends on the design load of your roof and the span of your rafters. Deck Load Design & Calculations - Part 1. SECTION R301 DESIGN CRITERIA Buildings and structures, and parts thereof, shall be constructed to safely support all loads, including dead loads, live loads, roof loads, flood loads, snow loads, wind loads and seismic loads as prescribed by this code. • vertically applied roof panels. Wording: Maximum Load Capacity____ lbs. Roof live load -100 psf minimum Special Quality Assurance Plans and Inspections Inspection of Fabricators Structural Observation Report by Structural Engineer ICC 500 shelters have numerous requirements, including, but not limited to, the following highlights: 11. Loads from people and non-permanent parts of a building; loads from window washing and glazing rigs are live loads. IRC provides the minimum codes standards for roof structures and other areas of construction used in most areas of the nation, including Georgia. All wood parts of fixed ladders shall meet the requirements of 1910. The ground snow load, P g, shall be indicated. Dead load is that which is not movable or not often moved. Contact Jurin Roofing if you have any questions. dead load (weight of structure and fixed loads) 15 lbs/ft 2. 5 Washoe Counties and the Cities of Reno and Sparks shall be twenty-four inches (24") deep. Recent roof collapses illustrate the danger that accumulating snow and ice can pose on buildings not constructed to withstand that load. 4: Green roofs are. ((Roof snow load data. When building a structure it is important to calculate wind load to ensure that the structure can withstand high winds, especially if the building is located in an area known for inclement weather. ) • Alameda County, CA: 0 psf • Dallas County, TX: 5 psf. 2010 National Model Construction Codes ― Structural Loads. Wind load is the amount of live load that hurricane garage doors can handle. Roof structures that provide support for photovoltaic panel systems shall be designed for applicable roof live load…" "R907. 1, the minimum uniformly distributed live loads and minimum concentrated live loads are as follow: Occupancy or Use Uniform (psf) Concentrated (lbs) Office building Office Lobbies and first-floor corridors Corridor above first floor 50 100 80. of steel construction (aisc) erection. Application requirements - to reduce headroom, provide multiple lifting points, to provide adjustable lifting centres, to handle out of balance loads, to remove or control inward or crushing forces, to allow for special load attachments. LATERAL LOADS ROOF DIAPHRAGM DESIGN SHEARWALL DESIGN CONTINUOUS FOOTING DESIGN. zone, the plans must also clearly indicate the structural design loads for roof dead load and roof live load. The State has amended the snow load requirements from the IBC and states that "Snow loads shall be determined by the building official. Foundations with stem walls shall be provided with a minimum of one # 4 bar at the top of the wall and one #4 bar at the bottom of the footing. 96 kN/m2) in accordance with Section 1607. The minimum design roof snow load is 20 psf + 5 psf rain on snow surcharge where applicable per the Oregon Structural Specialty Code. bolts shall conform to astm a325 for. Our new Smooth Series™ cellular deck offers a blemish free beam-to-pan rivet. 1 — The provisions of this chapter shall govern load factors and combinations used to design 5 structural concrete systems. Starting with general requirements, the article tackled service equipment details and moved into discussions on multiple disconnects and service overcurrent protection. These loads are permanent, fixed and relatively easy to calculate. ASCE 7-10 permits canopies to be designed for wind loading using equations for Open Buildings or Other Structures and Building Appurtenances depending on a. requirements which define these hazards. Project: Designer: Climatic Data. Live Load: 200 psf (9. Calculations to be made will include the capacity, both of the. Where uniform roof live loads are reduced to less than 20 psf ( 0. procedure for design of the roof framing. (CBC Chapter 7A contains additional requirements in State Responsibility Fire Suppression Areas. Design snow loads shall be determined in accordance with Chapter 7 of the ASCE 7-10 Minimum Design Loads for Buildings and Other Structures. I live in Singapore and yes. in conformance with the snow load requirements in Subsection 4. 8 CHAPTER 8: DESIGN OF ONE-WAY SLABS 8. We know purlins would be cheaper, but I have not broken it down. Structural Design Required Minimum Load Assumptions and Data Structural Design Load Minimum Requirements IBC 2015 a- Floor live loads. All structural members will deflect or flex under load. 1 of the IBC states that design snow loads shall be determined in accordance with Section 7 of ASCE 7, and requires that the design roof load be not less than the roof live load prescribed in Section 1607. Chapter 13-52. Flat Roof Snow Load — Building structure is designed for the specified uniform snow load, and cannot act concurrently with unbalance load-ing and drifting. g See Minnesota Rules, chapter 1335, Flood Proofing Regulations. All loads shall be due gravity only and uniformly distributed over an entire panel. If you are planning on building a raised deck, as shown in Figure 1, it is important to determine the quantity, positioning and size of the deck support columns that will support the load of the deck, the dead load, and the load which is created by the things that will go on the deck, including you and your guests which is the live load. These loads are permanent, fixed and relatively easy to calculate. Actual load due to snow will depend upon the shape of the roof and its capacity to retain the snow; and each case shall be treated on its own merits. per square foot for roofs that utilize a metal roof covering. 1700 - Ground Snow Load to verify by county. First-floor live loads have higher requirements than second-floor live loads (40 pounds per square foot vs. 1 GENERAL The live loads used for the structural design of floors, roof and the supporting members shall be the greatest applied loads arising from the intended use or occupancy of the building, or from the stacking of materials and. 801 Group C Occupancy Defined 802 Height and Area Allowable S03 Location on 80. But ground snow load is not used for roof design in the IBC. (IBC Sections 1603. 6, which states: "The roof shall be designed for the Live Load indicated in Table R301. Prescriptive Code Compliance - Loads Load Maximum Allowed Code Section Roof Live 20 psf R301. Area of floor = 6. All roofs must be designed to sustain loads as follows: (1) Dead loads plus a minimum unit live load of 30 lb/ft2 (2 months load duration); and. The roof snow load is a uniform load on the horizontal projection of the roof. LATERAL LOADS ROOF DIAPHRAGM DESIGN SHEARWALL DESIGN CONTINUOUS FOOTING DESIGN. For those in the northern parts of the country, an 8 in 12 pitch, or more, is commonly used to keep excessive snow loads off the roof. This chapter has a general focus on rain loads, and uses the same 100-year return period for determining the design flow rate, with different frequencies for the secondary and primary. 2015 IBC Performing Structural Plan Reviews Workbook page 17 18 Task 1: Live Loads, Dead Loads and Special Loads Review—Steps 1. Actual load due to snow will depend upon the shape of the roof and its capacity to retain the snow; and each case shall be treated on its own merits. I I I I I I I I I I I I I I I I I I I 1. [Specifier Note: Consult specified Design Code (Section 1. To ensure the construction of a quality roof deck, provisions for the following items should be in-cluded in the deck design:. 2010 National Model Construction Codes ― Structural Loads. level of exit discharge. Please correct me if I am wrong here but Pounds Per Square foot is calculated by weight / area in feet. Intermediate values may be interpolated by proportion. dead load (weight of structure and fixed loads) 15 lbs/ft 2. Ground snow-load = Roof snow-load, reductions for snow-load are not allowed. 2015 IRC Essentials Workbook Page 2 3 2015 IRC Essentials 4 ICC Code Development Cycle New code published every 3 years 12 month cycle Codes divided into 3 groups 1. 1, the minimum uniformly distributed live loads and minimum concentrated live loads are as follow: Occupancy or Use Uniform (psf) Concentrated (lbs) Office building Office Lobbies and first-floor corridors Corridor above first floor 50 100 80. Live load reduction = 0. Georgia residential roof building codes follow the same standards as established by the International Residential Codes (IRC). Online Snow Load Calculator(for Buildings with Flat or Low Slope Roofs - for Balanced Snow, Drift, and Rain-on-Snow Surcharge Loadings) calculator (ASCE 7-05) for structural engineers, construction professionals and building planners. The North Zone design live load equates to 40 pounds per square foot, the Middle Zone equates. The Regional District Building Official is available to provide additional information regarding building bylaw requirements within a Municipality. Refer to the ground snow load map on pages H-11, H-12 and H-13, and read the pound per square foot (psf) isobar for the intended site. total weight of array x + = 1. In order to serve the City of Littleton citizens and roofing contractors, the following summarizes the most frequently asked questions regarding roofing requirements. Calculate the tension and compression forces on each member given the load requirements below. 4 for the story immediately below the roof. 1 standards for Safety Color Code. Josh January 23, 2008 at 11:25 pm Beautiful design, however, judging from some photos, it doesn't look as if the turf grass is doing so well. 3 Roof Snow Load. 6 In-situ load tests. 1 – 16×10 Framed Opening. Together, owners Steven Letherer and Bernie Letherer have over half a century of experience in the truss industry. Loads will vary with the pitch of the roof; the flatter the roof, the greater the load on any one section. 3 Live Loads 46 209 Roof, Floor, Ceiling, and Wall Systems 47 210 Design Specifications and. In addition to floor live loads, it includes roof live loads that exceed the limit on L r. Calculate the carport roof load using a combination of the dead-load and live-load measurements. Local Requirements. These are the basic requirements of the subcode which can be found in N. 6] 561 Roof Loads [902. details (not on brick veneer). [Specifier Note: Consult specified Design Code (Section 1. Foundation walls of habitable rooms located below grade shall be waterproofed with membranes extending from the edge of the footing to the finish grade line. Rafter span tables - Use these tables to determine lengths, sizes and spacing of rafters based on a variety of factors such as, species, load, grade, spacing and pitch. • Where the existing roof has two or more applications of any type of roof covering. In Sunriver, that capacity is 50 pounds per square foot of roof capacity. ASCE 7-10 provides two methods for wind load calculation: a simplified procedure and an analytical procedure. Roof Hatches and Scuttles provide safe and convenient access up to the roof areas on commercial buildings. 22(b) Loads. Requirements were enacted for building standards, such as fire resistance, drainage, and fall protection. dead load (weight of structure and fixed loads) 15 lbs/ft 2. Glass areas of greenhouse roofs shall be designed for a live load of not less than 15 psf (718 Pa). If unbalanced snow loading isn't required or specified, the Truss Designer may enter the 25 psf snow load as a top chord live load (TCLL), set the load duration factor to 1. Corrugated Metal > Corrugated Roof Deck > B Deck. Design load criteria: Roof live load 20 pounds per square foot (PSF): Roof dead load 10 PSF for metal or shingles. Step 4 - Determine the Flat Roof Snow Load. 928-402-4224 928-474-9276. BS 6399-1:1996 Loading for buildings. Provide two copies of structural calculations for the tiedowns and ground anchor, sealed and signed by a licensed professional engineer. The loads shall be assumed to act vertically over the roof area projected upon a horizontal plane. 1 and are applied to the design of structural members arranged so as to create continuity, the reduced roof live load shall be applied to adjacent spans or to alternate spans, whichever produces the most unfavorable load effect. 3 – 12×10 Framed Openings. 7 x pg (ground snow load) = pf (roof snow load) Roof Snow Load Examples: Above line: 0. MINIMUM ROOF LIVE LOADS IN POUNDS-FORCE PER. Each state has a listing of building code and applicable guidelines for snow loads, as well as details about where the snow load information may be found or purchased. 800-304-4452 Ext 4224 800-304-4452 Ext 7110. • The building official shall determine the extent to which the existing system shall be made to conform to the requirements of the technical code for new construction. • Where the existing roof covering is wood shake, slate, clay, cement or asbestos-cement tile. The ground snow load, p gf, and the flat-roof snow load, p, and, if applicable , the sloped roof snow load, p s, shall. 5 (minimum) times the tipping moment imposed by the scaffold operating at the stall load of the hoist, whichever is greater. 6] 561 Roof Loads [902. , live load, dead load, snow load (25 psf), wind speed (90 mph), soil bearing capacity, concrete compressive design strength (PSI) Manufacturer's design specifications for pre-fabricated fireplaces must be attached to the plans Architectural plans(s) showing the dimensions and use of all. • Requirements for the connections between a storm shelter and its host building are also defined. Wire fences and other fences not over 6 feet (1. Per API 650 5. They sometimes even refused these offers. " Fixed stairways shall have a minimum width of 22 inches. 3 Gypsum 49. If you wish to use a load that is not on the dropdown list, select ‘Other’. 1 Required compression perpendicular to grain design values (F c⊥) in pounds per square inch for simple span joists and rafters with uniform load. Roof decks A roof deck is a roof that is also designed as a walking surface. Load on slab: 4″ thick mud. Machine Stress Rated Lumber (MSR) Lumber which has been individually tested. In Broward and Palm Beach Counties, the requirements are 165 MPH. Consider impact and crane loads. 2 Roof live load. The proposed roof structure will maintain the depth of the existing slab but utilize a profiled. As is the case with many elements of the building enclosure, roof and. Created Date: 8/23/2010 1:18:24 AM. Load-Bearing WallA wall specifically designed to transfer a roof load and/or upper floor load into the foundation. if uncertain about compatibility of loading between membrane and pedestal. Mentioned sections and appendices are listed below: Main body: Section 1:scope. For Wood Floor Joists, they are usually spaced at 12" or 16" or 24" on center. 3 LIVE LOADS 2. Otherwise, a complete structural design of the structure is necessary for submittal. 2 Install permanent roof anchor fall safety system (NA for roof pitch ≤ 3:12). How Much Snow Can My Residential Roof Hold? The Residential Code of Ohio, which applies to one and two-family homes, shows a map indicating the required snow load. and fastenings, or footings, are designed according to Clause (1)(a), the maximum specified live load on the floor according to Table 4. The loads shall be assumed to act vertically over the roof area projected upon a horizontal plane. metal roof systems and 1⁄ 4-in-12 (1. 2 Masonry Design 48 210. For The Bottom Floor Of A Single Story Residence, No Basement. The associa-tion also stresses deflection of purlins and rafters under dead and live loads be checked to ensure positive drainage. Starting with general requirements, the article tackled service equipment details and moved into discussions on multiple disconnects and service overcurrent protection. This amount of steel typically supports a total roof load of about 50 pounds per square foot. 1 – 12×14 Framed Opening. The roof and snow live loads used in the design shall be indicated for roof areas (Sections 1607. Chapter 30 provides seven methods—referred to as. The snow loads that are given are ground snow loads and for the design of the structure may be reduced by calculation per the current adopted codes by a design professional. • vertically applied roof panels.   The membrane shall consist of either 2-ply hot mopped felts, 6-mil. Roof snow loads can vary depending upon melting and re-freezing of snow and ice, roof slope, type of roof, aspect, drifting, etc. Beams, studs, joists and rafters act as a structural skeleton and must be strong enough and stiff enough to resist these loads. Building Code Requirements for Masonry Structures (ACI 530-02/ASCE 5-02/TMS 402-02) and Specifi cations for Masonry Structures (ACI 530. However, 29 CFR 1910. It calls for 20 psf throughout most of Ohio, and 25 psf along a north south strip in the eastern half of the state. 1 Permissible reduction in live loads shall be as provided in Section 4. The roof live load used in the design shall be indicated (780 CMR 1607. The area of the occupied roofs shall not be included in the building area as regulated by Section 506. design process. 02(1)(c) (c) Wind loads. 0 May 6, 2020. Reduction of Live Loads A. 1400 E Ash St (mail only) 745 N Rose Mofford Way 608 E Highway 260. of washington in december 1981. Introduction » Welcome. Just to make this all a little more confusing, that 125 percent figure comes up again in the OSHA standards — this time in a slightly different context. It’s not hard to see that the live load forces can greatly exceed the dead load force. The building official is authorized to require an engineering analysis or a load test, or both, of any construction whenever there is reason to question the safety of the construction for the intended occupancy. For one- and two-family dwellings, the code specifies a uniform live load of 40 pounds per square foot (40 psf) for “rooms other than sleeping rooms (bedrooms)” and decks. For secondary roof structural members supporting formed metal roofing, the live load deflection shall not exceed L/150. Author(s) Dennis Mertz, Ph. Glass areas of greenhouse roofs shall be designed for a live load of not less than 15 psf (718 Pa). 4 o Seismic design data:. Load duration 60 seconds 3 seconds 3 seconds 60 seconds Load factor 1. I would assume that if there was a lot of load on the roof, the load would tend to push the ridge down and the walls out (and down), and put the ceiling joist in tension. These elements are now required to be designed for 75psf if they happen to be less than 10 feet. mapper - MapServer PHP/MapScript Framework.   Weepholes are required with hollow block, maximum 48 inches apart. 88 N/m 2; 1 ft = 0. 2 (70 psf) (15 ft) = 1260 plf Live Load = 1. Exceptions: 1. List of design criteria, i. No reduction in roof live loads shall be permitted except as set forth by Section 1616. The minimum live loads provided in Table R301. ** NOTE TO SPECIFIER ** Consult with membrane manufacturer, insulation manufacturer and Envirospec Inc. Snow Load Roof Snow Roof Live Load(P: shall comply with 21 psf. 1] 565 Roof Loads. 2) = iii) Importance Factor, I (ASCE 7, 7. gypsum board2. Top Chord. Allowing for higher live loads increases the flexibility of a building, but also increases the cost. The roof should be tied down to the structure to stop it from lifting in times of strong winds. Live loads changes with respect to time. 1 shall apply. The live load is the external force applied to a deck due to the activities of its use. 58 Longitude:-90. Since a permit to alter that roof for recreational use was not sought -- and it is indeed necessary to have such a permit and post it publicly during construction or renovation -- we are very concerned about stress and load to that roof, as well as potential fire hazards and damage to the retaining wall between the properties. man who climbed on to the roof can be consider. Design snow loads shall be determined in accordance with Chapter 7 of the ASCE 7-10 Minimum Design Loads for Buildings and Other Structures. ) Fire-retardant wood shakes. The State has amended the snow load requirements from the IBC and states that "Snow loads shall be determined by the building official. Snow Load • Strictly speaking snow loads are live loads; however they are not caused by gravity or by operating conditions as is typical with other live loads. Online Snow Load Calculator(for Buildings with Flat or Low Slope Roofs - for Balanced Snow, Drift, and Rain-on-Snow Surcharge Loadings) calculator (ASCE 7-05) for structural engineers, construction professionals and building planners. In blacked-out areas of that map, no values are given because "extreme local variations in snow loads preclude mapping at this scale. " Fixed stairways shall have a minimum width of 22 inches. 1 Roof live load. 22, general requirements, as follows: 1910. The dead load consists of the actual weight of materials that comprise the roof, plus any fixed equipment that the roof supports. Live loads are more difficult to calculate, as they can change. Starting with general requirements, the article tackled service equipment details and moved into discussions on multiple disconnects and service overcurrent protection. 5 – Deck live load = 60psf, deck dead load = 10psf) JOIST SIZE ON-CENTER SPACING MAXIMUM JOIST SPAN MAXIMUM JOIST SPAN WITH CANTILEVERS 2X6a 16” o. A room used solely for sleeping might need to carry only 30 psf, whereas a garage floor over a basement would need 50 psf or higher. In order to serve the City of Littleton citizens and roofing contractors, the following summarizes the most frequently asked questions regarding roofing requirements. 0 kN/m2 at, or below, ground floor over. (FT) = Feet (PSF) = (Pounds per Square Foot) ELEVATION INFO: Source - USGS DEM Date - 2002/2003 Resolution - 10 Meter. The design load shall be applied uni-formly over the component area. For The Bottom Floor Of A Single Story Residence, No Basement. 3 0 32 4 support all loads, including dead loads, live loads, roof loads, flood loads, snow loads, wind loads and seismic loads as prescribed by this code. Access Panels for Whirlpool Bathtubs. 6 Roof load. 3, whichever is more severe. Official Website of the Municipality of Anchorage, Alaska. per square foot shall be used if wood shakes, wood shingles or asphalt composition shingles are utilized. Section 1504 Performance Requirements. Always consult with your local building department to ensure your structure will meet the wind / snow load requirements for your area. Note that a mandatory minimum roof live load may be greater than the roof snow load. Maximum deflection is limited by L/360 or L/480 under live load. Will my roof be inspected?. Engineered truss drawings should be obtained for specific site locations incorporating specific snow load, wind speed, eave wall height,. • vertically applied roof panels. Floor Load criteria; sleeping rooms 30PSF live Load, Living areas and wood decks 40PSF live load, dead loads 10 to 15 PSF. 33% for wind uplift. addition to a live load of 12 pounds per square foot. Per NFPA 13, the 250 pound load is not required to be applied concurrently to all support points and it is nonconcurrent with other live loads such as roof live, floor live, snow, wind, etc. Overestimation of snow loads can unnecessarily increase the cost of construction. The roof load is carried on the ridge and on the walls, and there is no need for collar ties or ceiling joists to resist lateral thrust. The IBC expects patio covers to withstand vertical live loads of up to 10 pounds per square foot. Allowable deflection is generally expressed as a fraction of the span, in inches. The testing requirements for the roof are as required in TAS125 that can be obtained from the Building Code Compliance Office. The revision in Table 1607. 7 x pg (ground snow load) = pf (roof snow load) Roof Snow Load Examples: Above line: 0. 1 and are applied to the design of structural members arranged so as to create continuity, the reduced roof live load shall be applied to adjacent spans or to alternate spans, whichever produces the most unfavorable load effect. THE UNIVERSITY OF TEXAS AT AUSTIN STRUCTURAL CRITERIA APPENDIX DESIGN AND CONSTRUCTION STANDARDS April 2011 Page 4 of 9 providing design calculations by a registered professional engineer addressing the proposed substitution. However the minimum design roof snow load shall not be less than 30 PSF plus the drift per the county Subtitle 4 code amendment. My question is can this load be reduced to 0 lb/ft^2 at the owner's request and the tank still be considered an API 650 tank?. Access Panels for Whirlpool Bathtubs. 5 2 30 22 18 15 13 4 59 44 36 30 25 6 89 67 53 44 38 8 119 89 71 59 51 10 148 111. Intermediate values may be interpolated by proportion. (a) Except as provided in this article, every cabana installed on or after July 31, 1976, or every accessory building or structure or building component installed on or after June 10, 1979, shall have the capacity to resist the applicable minimum snow load of the region in which it is installed or as is provided by this section. Snow Loads Roof snow loads are influenced by elevation of the area you live in, wind, general weather patterns and moisture laden air, roof configuration and slope.   The membrane shall consist of either 2-ply hot mopped felts, 6-mil. In order for a structure to be sound and secure, the foundation, roof, and walls must be strong and wind resistant. Minimum roof live loads. Performing Organization Code 7. If you plan on growing vegetables and shrub then you will need at least 12 inches of soil but 18 would be better. In this case, your joists are adequate to support a 30 psf live load and 10 psf dead load. flat roof snow load noted below, in accordance with Factory Mutual’s “Loss Prevention Data Sheet 1-54”. A checklist for the roofing application of these panels is also available. zone, the plans must also clearly indicate the structural design loads for roof dead load and roof live load. The entire green roof assembly, including plants and the water required to saturate the growth media, is considered part of the dead load of the structure. Exceptions: 1. This live load need not be assumed to act concurrently with any other live load requirements. There are no infrastructure related requirements in the Energy Standards. Oregon requires a minimum roof snow load of 20 psf (pm in ASCE7*) for all roofs, plus a 5 psf rain-on-snow surcharge for many roof types, resulting in a 25 psf minimum roof design load for most roofs. greater live loads in higher snow accumulation areas may be used as referenced in "snow load analysis for washington" as published by structural engineers assoc. If you are in Washington state you should be aware that you live load requirement was amended. 2 Wind Resistance. , then you can select 5 lb. 7 x 50 psf = 35 psf. 4 Dead Load - Dead load is the actual weights of materials and construction and load of fixed service equipment 301. 1:12 pitch Galvalume® 26-gauge PBR-panel screw-down roof; One 3-ft x 7-ft insulated walk door with a standard hardware package; One 10-ft x 10-ft framed opening Base angle (concrete foundation will require a sheet notch) Meets International Building Code (IBC) 2012 Edition Requirements; Live Load: 20 lbs. The City of Littleton requires a permit for all new roof coverings and roofing repairs exceeding 100 square feet (1 roofing square) of roofing material. The roof live load used in the design shall be indicated (780 CMR 1607. The loads shall be assumed to act vertically over the roof area projected upon a horizontal plane. The analytical procedure is for. The North Zone design live load equates to 40 pounds per square foot, the Middle Zone equates. Unlike the trussed roof, live load and dead load of the rafters and ceiling joists must be accounted for as separate systems. If the same room is packed with the people, then the live load intensity will vary considerably. The submittal as a minimum shall include the following: 1. 3 Wood Design 48 211 Materials 49 211. 5, shall be included and the fol. c- Roof live loads. erection of steel structure shall be. If FM Global insures the structure, or the specifier has used FM Global as the sole criteria for calculating wind loads, there is an additional step needed to comply with project documents. may use include live load, ground snow load, roof design load, wind speed, wind exposure, seismic load, patio height, frost line and property line setback. Live loads changes with respect to time. live load need not be considered simultaneously with other live loads (i. The list below indicates the snow load requirements for Coconino County: Fifty (50) pounds per square foot (psf) - Climate Zone 6B - Ground Snow Load 75 psf: Hart Prairie; Kendrick Park. In this case, your joists are adequate to support a 30 psf live load and 10 psf dead load. Recent roof collapses illustrate the danger that accumulating snow and ice can pose on buildings not constructed to withstand that load. All loads are compression except for the wind load, which can be either tension or compression. To determine if your existing roof has the capacity to carry the weight of any type of green roof you must have a firm understanding of live and dead loads, lumber sizes and spans, and wood species and their related compression capabilities. Slabs are usually used in floor and roof construction. Note that a mandatory minimum roof live load may be greater than the roof snow load. requirements will help expedite the plan review process. Span, ft 1. 3 Nominal design wind speed specified per CBC 1609. You only need to fill in either the city and state or the zip code. The scope and application of Chapter 16, Building Structural Design. The submittal as a minimum shall include the following: 1. ARCH 331 Note Set 13. However, 29 CFR 1910. 6 L = 1260 + 819. The core elements of California's new building efficiency standards and solar roof requirement are now effectively locked in, but the work that’s required to roll them out is only just beginning. Created Date: 8/23/2010 1:18:24 AM. Another is a trolley conveyor that moves plants into the greenhouse. Structural Design Required Minimum Load Assumptions and Data Structural Design Load Minimum Requirements IBC 2015 a- Floor live loads. Choice of Color for Roof, Wall, & Trim. roof live load area boundary (at canadian border) northport kettle falls. This roof may be covered with flammable material, such as redwood decking. elevation ROOF LIVE LOAD 20 PSF 2 ROOF LIVE LOAD 40PSF ROOF LIVE LOAD 40 PSF 3 GROUND SNOW LOAD 28 PSF GROUND SNOW LOAD 57 PSF GROUND SNOW LOAD 57 PSF 3. Use span tables for progressively heavier loads until you find the limits of your floor. Determine the load per square foot that the roof must support. Live Load 20 lbs/ft 2 (956. (2) The number and position of additional concentrated live-load units of 200 pounds each as determined from anticipated usage of the ladder shall be considered. How to use Snow Load Map (PDF) Building Department. The ground snow load, Pg, shall be indicated. 5 Live Load • Balconies = 40psf • Habitable attics and attics served with fixed stairs = 30psf 301. We have a metal roof, though it's slope is very shallow, nearly flat, 1' of vertical drop for every 10' horizontal. Live loads refer to forces that can be expected to act upon the structure at some points during its regular operation. Requirements of construction documents. 8 CHAPTER 8: DESIGN OF ONE-WAY SLABS 8. The construction of buildings and structures in accordance with the provisions of this code shall result in a system that provides a complete load path that meets all requirements for the transfer of all loads from their point of. , then you can select 5 lb. 1 – 16×10 Framed Opening. ing roof snow loads are prescribed in IBC Section 1608, which is based on Section 7 of ASCE 7. Minimum Design Loads § 13-52-010. The Ontario Building Code | Specified Snow Load 4. From these load combinations it can be surmised that if the roof snow load is equal to or less than the roof live load, there is no need to consider the snow load at all. Minimum horizontal imposed loads for parapets, barriers and balustrades, etc Blog Table 4 specifies minimum horizontal imposed loads appropriate to the design of parapets, barriers,balustrades and other elements of a structure intended to retain, stop or guide people. If the same room is packed with the people, then the live load intensity will vary considerably. dead & collateral load: 10 psf. Reduction of Live Loads A. Sprinkler 250 lb live load. 3 LIVE LOADS 2. In areas where the ground snow load, Pg, exceeds 10 pounds per square foot. snow that is likely to accumulate would not exceed the live load consideration required in the load combinations previously mentioned. Cable Load/Working Load-- The Cable load or the working load is the total weight of the cables to be placed in the tray. 1 S2014abn 2. Wording: Maximum Load Capacity____ lbs. Snow loads shall be determined by the building official. For purposes of selecting a suitable tray,. 4 Dead Load - Dead load is the actual weights of materials and construction and load of fixed service equipment 301. " The ladders are designed to meet the OSHA minimum live load requirement of a 200 lb concentrated load at the mid-point of the rung with a safety factor of 4. For Live load considerations, refer to below images that are excerpts from ASCE7-10 Table 4-1 that the code recommends. For the most part, live load and dead load values for floor and roof systems are considered distributed loads. (2) The number and position of additional concentrated live-load units of 200 pounds each as determined from anticipated usage of the ladder shall be considered. 1 Lumber 49 211. For secondary roof structural members supporting formed metal roofing, the live load deflection shall not exceed l/150. This amount of steel typically supports a total roof load of about 50 pounds per square foot. Revise Table R301. The core elements of California's new building efficiency standards and solar roof requirement are now effectively locked in, but the work that’s required to roll them out is only just beginning. It calls for 20 psf throughout most of Ohio, and 25 psf along a north south strip in the eastern half of the state. Georgia residential roof building codes follow the same standards as established by the International Residential Codes (IRC). The Super imposed Dead Load can be derived according to its unit weight and dimensions. ing roof snow loads are prescribed in IBC Section 1608, which is based on Section 7 of ASCE 7. Live loads, sometimes also referred to as probabilistic loads, include all the forces that are variable within the object's normal operation cycle not including construction or environmental loads. The subcode includes basic requirements, listed by group, with the exception of egress capacity, interior finish requirements, commercial cooking operations, and windowless stories which apply to all. Common spans for solid-sawn roof rafters and metal plate connected wood roof trusses • Common wood species and grade of lumber used for roof framing • Common roof pitches to be used • Design loading criteria to be used for roof snow load, wind speed, wind exposure rating • Typical dead weight to be applied to an existing roof structure. greater live loads in higher snow accumulation areas may be used as referenced in "snow load analysis for washington" as published by structural engineers assoc. Use our Wisconsin Roof Snow Loads map to easily determine the roof design snow load (Wisconsin Administrative Code: SPS 321 SubChapter 2) for any location in the State of Wisconsin. Together, owners Steven Letherer and Bernie Letherer have over half a century of experience in the truss industry. 1 of ASCE 7-10 for the applicable load combinations using Allowable Stress Design. , span/360 for live load only), and select dimensions and properties from either the 2005 or 2012 National Design Specification (NDS). (All beams and joist size and span must meet minimum requirements listed in the building code. For secondary wall members supporting formed metal siding, the design wind load deflection shall not exceed l /90. 1) = ii) Thermal Factor, C t (ASCE 7, 7. 5 of ASCE 7 for partial snow loading. L r = Roof live load of 20 psf (0. In Sisters, it is 35 pounds per square foot. This roof may be covered with flammable material, such as redwood decking. 2) = iii) Importance Factor, I (ASCE 7, 7. Dead Loads, cont’d Typical Weights of Horizontal Systems •Roof Construction –Asphalt Shingles ~ 15 psf (pounds per sq. So if the rooftop unit had a weight of 1000 lb. 11 Stanwix Street Suite 800 Pittsburgh, PA 15222 10. People, furniture and any other movable, physical objects on the deck are covered under live load. STANDARD LIGHTLINE CANOPY SNOW LOAD MAP (v10/11) (U. 810 Minimum Number of Plumbing Fixtures. Find The Minimum Span Rating, Thickness, And Edge Support Requirements, And Panel Orientation For The Floor Sheathing Using The ASD And LRFD Procedures. The ridge board is not designed to carry any roof load, and the only way it works is as a triangle with rafters descending both ways from the ridge and. Passenger vehicle garages 50 2,000-lb concentrated load / 20-sq. Together, owners Steven Letherer and Bernie Letherer have over half a century of experience in the truss industry. "Stair strength. Snow loads shall be determined by the building official. 3 – 12×10 Framed Openings. Those loads produced (1) during maintenance by workers, equipment and materials; and (2). To understand this, consider a typical pole building second floor. ASCE 7-05 recognizes this and allows for a reduction in design live load that is based on the size of area supported. The recent snow fall has caused major problems with roof leaks from ice dams, and there have been a number of Read More Filed Under: Roof Snow Loads , Roofs Tagged With: how much snow can my roof hold , minnesota roof snow load requirements , roof snow loads , roof snow loads for minnesota , snow load concerns , snow load on roof. 25kN/m² measured in the plane of the roof, or a vertical load of 0. Since a permit to alter that roof for recreational use was not sought -- and it is indeed necessary to have such a permit and post it publicly during construction or renovation -- we are very concerned about stress and load to that roof, as well as potential fire hazards and damage to the retaining wall between the properties. CRAWLSPACE. Check concentrated live loads. 5 psf al Information Calculations are designed to 1997 NDS and 1997 UBC Requirements 4x14 3. load f roof point load live 9 ft x 25 = 225 lbs live loadrafters total 9 ft x 38 = 342 lbs wall dead load = 8 psf x 8 ft = 64 lbs roof point load total: 342 + 64 = 406 lbs total assumed joist spacing at 16” o. Ceiling Dead load = 10 lb/ft2 Note: Live load on the roof is snow load and dead loads are roofing on the top chord and drywall on the ceiling. 2 Loading Requirements 4. At the top plate there is a bit. 4: Green roofs are. 2 psf for a 100-mph wind. 96 kN/m 2) in accordance with Section 1607. , roof, snow, wind, etc. and eek out a longer span. (FT) = Feet (PSF) = (Pounds per Square Foot) ELEVATION INFO: Source - USGS DEM Date - 2002/2003 Resolution - 10 Meter. (a) be capable of support ing a total ceiling load ( dead load plus live load) of 0. Some terms your building dept. With an engineered system, it is not uncommon to see applied loads ranging from 900 to 1,200 pounds (for a single user) during fall arrest. I live in Singapore and yes. Application requirements - to reduce headroom, provide multiple lifting points, to provide adjustable lifting centres, to handle out of balance loads, to remove or control inward or crushing forces, to allow for special load attachments. Collateral loads are added dead loads hung from the building system, or any interior weight of permanent materials other than the actual metal building system. Rooftop-mounted photovoltaic panel or modules systems shall be installed to resist the component and cladding loads specified in Table R401. WindSpeedByZip is a tool for Architects, Engineers and Builders to easily determine the 3-second gust basic windspeed* (Figure 6-1 of ASCE 7-05 and now Design Wind Speed per ASCE 7-10 maps) for any location in the continental United States. Specification for Masonry requirement 2015 IBC Standard ACI 530/ASCE 5/TMS 402-13 shall be updated to MS402-16. requirements necessary for Capstone Design. Although I had my trusses designed for 42psf, the old requirement. Therefore, the sloped-roof snow load (p s) would most often be equal to the flat-roof snow load (p f). ft, and more if local conditions warrant. To correctly apply the values of the tables and the prescriptive methods of construction, build-ers must know the structural design criteria in the planning chapter of the code. For a Gothic style, the rafters must equal the span (60°) , while an Elizabethan style requires the rafters to be longer than the span. " Design stresses for wood components of ladders shall not exceed those specified in 1910. Collaborate and notate questions and comments between colleagues and share externally with easy cut and paste. The North Zone design live load equates to 40 pounds per square foot, the Middle Zone equates. In order to serve the City of Littleton citizens and roofing contractors, the following summarizes the most frequently asked questions regarding roofing requirements. Live Load: 50 psf (2. In the southwestern part of the state where snowfall is typically lighter, roofs are built to hold less; about 30 pounds per square foot. Depending on your region, you may need to design for a maximum snow load of anything between zero to 65 pounds per square foot (or roughly 0-3 kPa). 3) = c) = Sloped Roof Snow Load, P s (ASCE 7, 7. This is the total weight of cables in the tray. 96 kN/m 2) in accordance with Section 1607. 2013 Kentucky Building Code Second Edition February 2014 As Adopted by: KENTUCKY BOARD OF HOUSING, BUILDINGS AND CONSTRUCTION Department of Housing, Buildings and Construction 101 Sea Hero Road, Suite 100 Frankfort, Kentucky 40601-5412 Telephone: (502) 573-0365 FAX: (502) 573-1057. In unincorporated Thurston County, no building permit is required if the wall is 4 feet or less in height from the bottom of the footing to the top of the wall and not supporting an extra load such as a fence or soil sloping down to the top of the wall; otherwise, a building permit is needed (SA 001). If the roof - or any part of the roof - will be sloped, that changes the dynamics, putting more weight on some areas than on others. You can make ads in the Engineering ToolBox more useful to you! Minimum uniformly distributed live loads: If you find this website valuable and appreciate it is open and free. the assembly components, construction details, loads, reactions (with live dead loads ), bearing totalled and locations, end grain or squash requirements , and size of bearing, as applicable. (Section 1603. 1 Wind Loads 46. Slip-Resistant Decking We offer standard extruded decking, aggressive grip strut decking, or bar grating to accommodate different environments and needs. dead loads, live loads, roof loads, flood loads, snow loads, wind loads and seismic loads as prescribed by this code. It has areas of deep and shallow substrate and is designed for a dead load of 300kg/m 2 and a live load of 300kg/m 2 on the decking and walkway mesh areas, and 150kg/m 2 on the planting. 5 of ASCE 7 for partial snow loading. This type of loading may come and go. 9 kPa, whichever is greater, where the platform, or. (FT) = Feet (PSF) = (Pounds per Square Foot) ELEVATION INFO: Source - USGS DEM Date - 2002/2003 Resolution - 10 Meter. 1 Lumber 49 211. The construction of buildings and structures load path that meets the requirements for the transfer of loads from their point of origin through. greater live loads in higher snow accumulation areas may be used as referenced in "snow load analysis for washington" as published by structural engineers assoc. The roof and snow live loads used in the design shall be indicated for roof areas (Sections 1607. Some roofs are finished with substantial Roof occupancy will contribute to determining the live load and the safety requirements. • vertically applied roof panels. The roof cannot have more than three layers of roofing. Sheikh-Taheri Snow loading is the most severe test of roof structures in many. 0 kN/m2, however, this may be an over-provision. 5 times the live load, not to exceed 100, of the area served. Refer to WA building code interpretation No. The deck supports the non-load bearing components such as insulation, membrane, flashing etc. The requirements of the 2011 Amendment to the 2005 State Building Code shall atmlY to all work for which a permit application was made on or after October 6,"20 11, and before the date of adoption. per square foot shall be used if wood shakes, wood shingles or asphalt composition shingles are utilized. or vertical supports. ) Fire-retardant wood shakes.