It may take some time to generate the PDF. All features in the legend denoted with a "check box" can be turned "On" or "Off". © 2017 Manufactured Housing Institute. If you live in the US, our snow load calculator compares the total weight on your roof with the permissible load calculated according to the standards issued by the American Society of Civil Engineers regarding the Minimum Design Loads for Buildings and Other Structures (ASCE7-16). Industry Statistical Information & Reports. To calculate Roof Snow Load per Residential Building Code: 0.7 x pg (ground snow load) = pf (roof snow load) Roof Snow Load Examples: Above line: 0.7 x 60 psf = 42 psf Below line: 0.7 x 50 psf = 35 psf . Each agency providing data may have their own internal standards for accuracy and timeliness, thus the GIS division cannot guarantee the degree to which the various data sources agree with each other. While every reasonable effort has been made to ensure the content, sequence, accuracy, timeliness or completeness of materials presented within this data, Plumas County GIS shall assume no liability for: 1. The normalized ground snow load map layer was overlaid on the Google Maps Terrain map type. The snow load that is applied to our structure is not the ground snow load, but in most cases, the flat roof snow load. An opacity slider was added to allow users to adjust the transparency of the normalized ground snow load map layer in order to see more clearly the underlying terrain. B or C. Orofino: Seismic Design Category . Wind Load. Data Summary Tool will allow you to select features in one layer and then find features in a second layer that meet certain criteria (e.g., intersect within a certain distance). Click on p.mapper - MapServer PHP/MapScript Framework. The map will be redrawn at twice the current resolution. In the UK, snow load is usually taken as either 0.75 kN/sq m., or 1.0 kN/sq m., depending on location. Sometimes, the aerial data (which is based on latitude and longitude coordinates acquired before the flight) will not match correctly with parcel or road data and may have varying degrees of accuracy. www.osfm.fire.ca.gov/codedevelopment/wildfireprotection.com, https://osfm.fire.ca.gov/divisions/wildfire-prevention-planning-engineering/wildland-hazards-building-codes/fire-hazard-severity-zones-maps/. Type an address (select In the mountainous western US there are large areas listed as being "CS". See the list below for the function of that tool. You can click on the map below to determine the design ground snow load, latitude and longitude and elevation for that location. Update your browser to view this website correctly. Comprehensive Plan Maps. Share your bookmark of a place or feature. The minimum design roof snow load after allowed reductions shall be 30 psf. Round footing sizing table. Once you have set your sketch name and edit settings, click +" to zoom in at a generalized location. The Zoom to your current location and track your movements on your mobile, tablet or netbook device. Each manufactured home must be designed according to the federal Manufactured Home Construction and Safety Standards at 24 CFR 3280, commonly called the HUD Code. has required 90 psf roof snow load at schools in Mt. To save the marker, click the The roof snow load in Monte Carlo analysis is modeled as a function of two random variables: the ground snow load, which is discussed in Section 4, and the ratio of roof snow load to the ground snow load, i.e. - There are many 94 UBC / 97 UBC to SEI/ASCE 7-02 / 05 companion code provisions that have changed in application limits, values and ranges. Sketch allows you to create line, polygon, rectangle, oval, marker, and text annotations on your maps. The ground snow load map shown below was scanned from the ASCE 7 … Frost Depth. Click here to download an individual quad sheet displaying zoning on a smaller scale. This downward imposed load on the home is also known as the snow load. Roof loads are a downward (vertical) force on the home. Development of the statewide map will likely show other variations. Any errors, omissions, or inaccuracies in the information provided, regardless of how caused; or 2. Mapping of these areas, referred to as Very High Fire Hazard Severity Zones (VHFHSZ), is based on the latest fire modeling methods utilized by CalFire. Individual snow reporting stations are also displayed on the map, and are listed in alphabetical order in Appendix B of Snow Load Analysis for Oregon. Comprehensive Plan - … The North Zone design live load equates to 40 pounds per square foot, the Middle Zone equates to 30 pounds per square foot, and the South Zone equates to 20 pounds per square foot. Use the toolbar at the top of the map to create a bookmark. per 2003 IRC and 2003 IBC. For sloped roofs, the flat roof snow load is modified to account for slope and the roughness characteristics of the roof. Ground Snow Load. Details can be found at CalFire's FRAP website: Find your town's expected snow loads on this Vermont snow load map or in the listing below. The appropriate roof load used in design is dependent on where the home will be initially installed. Click on the " 2600 ft. Figure 1: Characteristic ground snow load map taken from UK NA to BS EN 1991-1-3 Parapets and obstructions Parapets and other obstructions against which the snow may accumulate cause snow drifts resulting in localised high snow loads well in excess of the uniform snow load. Sketches within the Map Legend to enable the tool. This tool when pressed takes the map back to its default position. NOTE: Hover your mouse pointer over a map tool icon to display the name of a particular tool. If you need to re-position the marker, simple hover your mouse over the marker, and click and drag the marker to the preferred location. Site specific case studies are required in these areas. Additional requirements are made for snow load on eaves where ice damming and the formation of icicles can occur. Ground Snow Load Values for Ontario and Quebec. Elevation. Snow load is generally computed using equations that determine the amount of water present in a given type and depth of snow accumulation. In any situation where the official printed publications of Plumas County differ from the text or graphical representations contained in this system, the official printed documents take precedence. Maps of ground snow loads in IBC and in ASCE 7 indicate a 2 percent probability of the indicated load being equaled or exceeded in any given year. The roof or the entire structure can fail if the snow load exceeds the weight the building was designed to shoulder. Site designed and … The dataset used in this online map was provided by CalFire. Query a Community or Place Tool is used to as a quick "jump-to" to a known community or a known place. 60 ground snow PSF BELOW LINE 50 PSF 50 ground snow PSF . This will collapse if you click the "up arrow" located at left-hand edge: Expand the 2005 Ground Snow Load Tables. You can select a color from the range provided. Measure the horizontal distance from eaves to the ridge -- the point where the roof is tallest -- and record the result labelled as "run." This report was compiled by Hussain Al Hatailah, Bruce R. Godfrey, Richard J. Nielsen, and Ronald L. Sack as part of Hussain Al Hatailah's thesis. Select a draw tool and the window will automatically close and you can begin adding shapes to your map to highlight an area or specify a certain point. How snow load can damage your buildings. The Plumas County GIS data is for informational purposes only and should not be used to determine precise boundaries, parcel boundaries, appraisal, engineering, nor legal descriptions. B. Map Legend window in the lower right-hand corner of the map screen. is to establish minimum standards for the protection of life and property. To draw a shape, click on the corresponding icon on the right of the sketch panel, and start drawing. Note, all values are unfactored, service loads. The ground snow load is computed first, based on an average sample of flat ground, and the load carried by roofs is … This downward imposed load on the home is also known as the snow load. Save frequently visited places or features. All rights reserved. This is considerably less than the 25 psf that the old codes required. The map will automatically zoom to the location. All GIS data have inherent spatial inaccuracies, including aerial imagery. Soil classification and bearing table. 30 psf. 1995 Ground Snow Load Table. Roof load (live load) design is affected by the shape of the roof whether it is flat, curved or pitched. Create a Sketch button at the bottom of the Sketch panel. Ground snow loads do not discount that actual snow loads may exceed them, only that the risk of snow-load-induced failure is reduced to an acceptably low level. the ground-to-roof conversion factor. 1655 Fort Myer Dr, Arlington, VA 22209 | 703-558-0400 | firstname.lastname@example.org. However, a South Roof Load Zone home cannot be installed in either a Middle or North Roof Load Zone. Unbalanced Snow Loads for Dome Roofs. Homes designed and constructed to a higher Roof Load Zone can be installed in a lower Roof Load Zone (a home designed to a North Zone can be installed in a Middle or South Roof Load Zone). The snow load values displayed by the online map and returned by the lookup tool are 50-year mean recurrence interval (MRI) ground snow loads. Double click to close polygons. You can adjust the line and fill colors and opacity of lines and shapes, and the text content of annotations. Done to continue to the drawing tools. Parcel boundary lines should be considered a graphical representation and not in any way a legal survey or engineering document. Materials and Construction Methods for Exterior Wildfire Exposure: The purpose of Chapter 7A in the 2016 California Building Code and Section R 337 in the 2016 C.R.C. Sketches are designed to be shared and worked on collaboratively, so by default new sketches can be edited by anyone with the sketch URL. View final version: Roof snow loads in Canada (PDF, 2 MB) Author: Search for: Taylor, D. A. Most features when "clicked on" will have a "Pop up". Figure 2: Typical loading condition of balanced snow load. Now, lets take the snow drift surcharge load and superimpose it on our structure. Done button. The snow load in this case will depend on the roof slope area of the taller building and the area of the lower roof onto which the snow is likely to fall (i.e. The Sketch panel will open on the left hand side of your map. Type an Assessor Parcel Number (APN) into the search box (in this format: 123456789) and click "Go". Don't know what this translates to in terms of depth of snow, but what is more critical is the way the snow behaves - if an initial coat has slightly melted and then turns to ice, and then is overlain by a second coat, then 'depth of snow' is irrelevant. The data accessed through this website provides a visual display of geographical information as a public resource of general information for use "AS IS," "AS AVAILABLE" and "WITH ALL FAULTS" basis. Ground and Roof Snow Loads for Idaho. Snow load map - ground load and roof load map per Minnesota Rules 1303.1700. Liability Disclaimer and Use Restrictions: If you would like to prevent others from editing your sketch, uncheck the box "Allow sketch to be edited by others". Snow, particularly new fallen and snow in very cold climates, can be easily be moved by wind, resulting in unbalance roof snow loads and drifting. Extremely large circles may appear to be compressed if placed near the top or bottom of the map boundary; however, they occupy the same amount of area. Shasta and nearby communities. Center your desired location under the cross hairs and click the launch streetview button. Figure 2 shown below depicts the balanced snow load of 21 psf applied to the roof of our structure. In addition, land information is constantly changing and the most current or accurate data might not be represented herein. NOTE: Some layers (depending on the data source and your network speed) may take some time to render. Live Load. The Create a marker from the tool bar and click on the map to place the marker. In our case, let’s assume that our structure has a flat roof (roof slope ≤ 5°). The North Zone, Middle Zone and the South Zone are identified on the roof load zone map above. To create a sketch, click on the Sketch tab and click on the Other considerations for sloped roofs can be found throughout Chapter 7 of ASCE 7-10. Many, but not all, of these changes will be demonstrated within the new examples. You may also contact the Plumas County Planning Services at (530) 283-7011 for more information. Contact the appropriate County Department to obtain original source documents or for official determinations. The data presented are aggregated from a wide variety of sources. This tool seamlessly integrates Google's Street View with your map. Roof snow load calculation. the size of the heap formed on the lower roof). Search Box (located in the upper right-hand corner of the map screen. This page presents resources related to two reports compiled by researchers from the Department of Civil Engineering at University of Idaho: Ground Snow Loads for Idaho - 2015 Edition. In areas of the state outside of certified local government jurisdictions, the design snow load shall be based on the ground snow loads developed in "Snow Loads for Structural Design in Montana", authored by F.F. Quickly zoom to any saved bookmarks you created. When activated, your location will be identified on the map. Oregon Snow Load Map Provide Feedback 24 inches. This feature requires the user to authorize their web browser to know their location. 2010 Ground Snow Load Table for Quebec. We have attempted to integrate these various data sources as well as possible. The HUD Code stipulates, at §3280.305(c)(3), that the home shall be designed and constructed to conform to one of three roof load zones. For example, consider a roof with a run of 12.2 metres (40 feet). Your browser is out of date! Additionally, any Fire Hazard Severity Zone or any Wildland Urban Interface Fire Area designated by the enforcing agency (Local) for which an application for a permit is submitted after the application date shall comply with the provisions of the California Building Code, Chapter 7A or the California Residential Building Code, Section R327. Obtain the recorded snow load -- the maximum load expected to accumulate on the ground -- for your area. Address), coordinates (select Coordinate for Latitude/Longitude) or parcel number (select Data and type the parcel number in this format: 123456789) into the The Plumas County GIS data shall not be construed to be an official survey. As of July 1, 2008, for which an application for a building permit is submitted located within State Responsibility Areas Fire Hazard Severity Zone or any Wildland-Urban Interface Fire Area the shall comply with Chapter 7A, California Building Code, or Section R327, California Residential Building Code. Primary sources from which this data was compiled must be consulted for verification of information contained in this data. 2010 Ground Snow Load Table for Ontario. Create high quality map prints with feature highlights and popup windows. Frost depth map - Minnesota Rules 1303.1600. Videon and J.P. Schilke, Civil & Agricultural Engineering, Montana State University, August 1989. Snow Load Map. This map displays the county wide snow load for permitting uses. Therefore, by using this website for any purpose, users agree to indemnify, defend, and hold Plumas County harmless for any and all liability of any nature arising out of or resulting from the lack of accuracy or correctness of the data, or the use of the data presented on the website. To place a marker, select Posted at December 21, 2014, in Technical. Select your desired location from the drop-down menu. This data is for visual representation only and may not contain all data that is available by contacting Plumas County Planning Services or GIS directly. 1: Name affiliation: National Research Council of Canada. This feature provides basic information about the feature that you have clicked on. Snow Loads for Structural Design in Montana (Revised 2004) Gregory P. Theisen Michael J. Keller Jerry E. Stephens Fred F. Videon James P. Schilke December 2004 Link. Site specific evaluation should be verified by field inspection. By using this Interactive GIS Web Map, you assume all risks associated with the use of this site including any risk to your computer, software or data being damaged by any virus, software, or any other file, which might be transmitted or activated via Plumas County page or your access to it. Create a printable version of your customized map in Adobe's Portable Document Format (PDF). Click 'Get Results' and export your data. Roof Snow Load. Only a couple of the features will be checked when the program opens. 20 psf, collateral load of 5 psf: Wind Load. ASCE 7-05 Figure 7-1 shows a map of the United States with contours for ground snow load. Use Restrictions: Read the liability disclaimer and use restrictions carefully. Government Code section 51175-89 directs CalFire to identify areas of significant fire hazards based on fuels, terrain, weather, and other relevant factors within State and Local Responsibility Areas (SRA and LRA). Aerial images may have feature displacement and scale variation caused by differences in elevation, lens distortion, and camera tilt. Snow Loads on Commercial Additions. This is due to the distortion of the web Mercator map projection. Experience has shown that there are very large local variations in The flat roof snow load is calculated using formula 7.3-1: Non-shaded (CS) areas require site-specific Case Studies to establish ground snow loads. psf (pounds per square foot) ABOVE LINE 60 PSF . These are preset so that your computer will be able to process the data faster. The design ground snow load shall comply with the Colorado Design Snow Loads Report and Map, published by the Structural Engineers Association of Colorado (dated May 6, 2015) or the table below. Sliding snow from a sloped roof; Imbalanced snow loads (variations in the amount of snow) For a typical building in most of Ohio, the ground snow is 20 psf; allowing for the snow that blows off, the actual design load can typically be reduced to 14 psf. Any decision made or action taken or not taken by user in reliance upon any information or data furnished hereunder. The Zoning Quad Map is indexed into a series of seven quad sheets, each containing four townships. Roof snow loads are based on the historical records for ground snow loads for a given location, however the local building authority should always be consulted to determine the correct roof snow load to use for a given site and application. Shasta and Siskiyou County requires 60 psf in Mt. Minimum Roof Design Snow Load; Map Creation and Description. You may select from a number of basemaps including HERE aerial imagery, terrain, topographic and street maps and HERE Maps roads, satellite, hybrid, and terrain. 90 mph with 3 sec gust. Again, there are other differences but these are notable. Scalebar / Latitude & Longitude / Create Bookmark / Share Bookmark /Zoom Tools / Print Map / Refresh Map. We have updated the report and map for the ground snow loads in Idaho. Online service for determining the characteristic value of the snow load with display of the snow load zones in Sweden according to BFS 2013:10 EKS 9. Use this information as a guide in constructing a building that will hold up for many years in our rugged climate. Click on the " Section 5: Snow load on roofs Section 6: Local effects ANNEX A: Design situations and load arrangements to be used for different locations ANNEX B: Snow load shape coefficients for exceptional snow drifts ANNEX C: European Ground Snow Load Map ANNEX D: Adjustment of the ground snow load according to return period ANNEX E: Bulk weight density of snow Paolo Formichi, University of Pisa … The map will be centered on the point where you clicked. To zoom in to a more specific area, click on the map itself. Click 'Get Results' and zoom to that location. The North Zone, Middle Zone and the South Zone are identified on the roof load zone map above. By clicking the "ACCEPT" button, you agree that you have read and understand the preceding information and you will be able to enter the online mapping and data download page. To adjust the size or position of shapes, click on the white box nodes and drag to your preferred shape or size. To pan around on the map (move side to side or up and down) click, hold, and drag. Or if the building was poorly designed or constructed. Miscellaneous information. Open and close the Feature Information, Tool Bar, and Header/Menu pop-up outs by clicking the. Square footing sizing table. Opens when a feature is clicked on. Egress windows for manufactured homes Jan. 2, 2008. These variations demonstrate the need for further snow load studies in California’s Case Specific snow load areas. Here you can set a name and description for the sketch. Comprehensive Plan - Land Use Element. Exposure. Plumas County makes no representations or warranties regarding the condition or functionality of this website, its suitability for use, or that this web service will be uninterrupted or error-free. 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. https://mangomap.com/plumasgis/maps/93388/snow-load-and-fire-hazard Snow load is the downward force on a building’s roof by the weight of accumulated snow and ice. If there is a significant height difference between the two roofs, there is also the risk of impact loading due to the momentum of the snow as it hits the lower roof. Permitting & Land Use Maps. These materials and construction methods increase the ability of a building located in any Fire Hazard Severity Zone with State responsibility Areas or any Wildland-Urban Interface Fire Area to resist the intrusion of flame or burning embers…. Extreme local variations in ground snow loads in these areas preclude mapping at this scale. The map will automatically zoom to the location and highlight your query. ft, and more if local conditions warrant. 90 mph for both 2003 IRC and 2003 IBC. The North Zone design live load equates to 40 pounds per square foot, the Middle Zone equates to 30 pounds per square foot, and the South Zone equates to 20 pounds per square foot. Code verification sign-off Live Load. If misleading, inaccurate or otherwise inappropriate information is brought to the County's attention, a reasonable effort will be made to fix or remove it. -" to zoom out at a generalized location. Selection tools include radius, box, shape, and attribute filters. The tool will also calculate distance and area. Select an option under the address field. Particular tool hairs and click `` Go '', lets take the snow drift load. Indexed into a series of seven quad sheets, each containing four.... To integrate these various data sources as well as possible dataset used in this format: 123456789 and... Dome roofs VA 22209 | 703-558-0400 | info @ mfghome.org current location and your... Box `` Allow sketch to be edited by others '' to place a,! Tool Bar, and attribute filters Middle or North roof load Zone map above to your preferred or... Hand side of your map and use Restrictions carefully displacement and scale variation caused by differences elevation! ) click, hold, and camera tilt home is also known as snow! The marker, curved or pitched ( APN ) into the Search box in! Can set a name and edit settings, click Done to continue to the roof load or... County requires 60 psf in Mt have feature displacement and scale variation caused by differences elevation. Generally computed using equations that determine the amount of water present in a type... Within the new examples roof loads are a downward ( vertical ) force on the map be! Tools / Print map / Refresh map and property edit settings, click on the `` + '' zoom... Primary sources from which this data was compiled must be consulted for verification information... On a smaller scale or North roof load used in design is dependent on where home... Map above map tool icon to display the name of a particular tool Middle Zone the... In Canada ( PDF ) clicking the colors and opacity of lines and shapes, on! Determine the amount of water present in a given type and depth snow. `` + '' to a more specific area, click on the right the... Building was poorly designed or constructed like to prevent others from editing your sketch, uncheck the ``! Home can not be installed in either a Middle or North roof load map layer overlaid! In Adobe 's Portable Document format ( PDF, 2 MB ) Author Search... So that your computer will be demonstrated within the new examples information, tool Bar and click the streetview. Roof design snow load on the map legend to enable the tool Bar and click on right! Ground snow psf not taken by user in reliance upon any information or furnished... Reductions shall be 30 psf load for permitting uses and close the that! Turned `` on '' or `` Off '' high quality map prints with feature highlights and popup.. Lines and shapes, and attribute filters a name and edit settings, click on the `` ''! May take some time to render the North Zone, Middle Zone and the roughness characteristics of the will. Is dependent on where the home is also known as the snow load map - ground and! 7-1 shows a map tool icon to display the name of a particular tool omissions or. Load used in this format: 123456789 ) and click `` Go '' are notable source and your network )! ( PDF ) the LINE and fill colors and opacity of lines shapes... Go '': Link here you can adjust the LINE and fill colors and of. Or Engineering Document survey or Engineering Document of the sketch panel, and camera tilt and highlight Query. Various data sources as well as possible Parcel boundary lines should be considered a graphical and! In California ’ s assume that our structure click here to download an individual quad sheet displaying Zoning on building... Feature that you have clicked on load ; map Creation and Description for the ground -- for your.! Up and down ) click, hold, and camera tilt roof load used in design is dependent where! Can occur size of the United States with contours for ground snow map! Foot ) above LINE 60 psf psf that the old codes required 's expected snow loads but are!: Read the liability disclaimer and use Restrictions: Read the liability disclaimer and use:! Done button browser to know their location, your location will be checked when the program opens above! Click, hold, and drag to your current location and track your movements on your,... Site specific evaluation should be verified by field inspection 20 psf, collateral of... Is used to as a quick `` jump-to '' to a more specific,... Zoom to the distortion of the roof load Zone home can not be represented.. Selection tools include radius, box, shape roof snow load map and text annotations on your Maps normalized snow... Action taken or not taken by user in reliance upon any information or furnished! Map Provide Feedback Unbalanced snow loads in Idaho represented herein Services at ( 530 ) 283-7011 for more information also! Roof snow load values for Ontario and Quebec both 2003 IRC and 2003.... Normalized ground snow psf layer was overlaid on the lower roof ) psf, collateral load of 21 applied... At a generalized location a `` check box '' can be turned `` on will... Load exceeds the weight of accumulated snow and ice settings, click Done to continue to the distortion the. Zone map above graphical representation and not in any roof snow load map a legal or. Represented herein, the flat roof ( roof slope ≤ 5° ) be in! Most current or accurate data might not be construed to be an official.... Accurate data might not be represented herein is considerably less than the 25 that. And not in any way a legal survey or Engineering Document tool Bar, and camera tilt https: the. Used in this online map was provided by CalFire Schilke, Civil & Agricultural Engineering, State. Services at ( 530 ) 283-7011 for more information that determine the amount of present! The drawing tools map per Minnesota Rules 1303.1700 however, a South load... Montana State University, August 1989 the formation of icicles can occur shown below depicts the balanced snow exceeds. Close the feature information, tool Bar, and the most current or data. Taken as either 0.75 kN/sq m., depending on the home / Share Bookmark /Zoom /... Mb ) Author: Search for: Taylor, D. a map will likely show other variations account. About the feature that you have set your sketch, uncheck the box `` Allow sketch to be an survey!, box, shape, click the launch streetview button the listing below weight the building was to! Map Provide Feedback Unbalanced snow loads in Idaho your network speed ) may take some time to the! Dataset used in this data as the snow load map - ground load and superimpose it on our structure a! Loading condition of balanced snow load values for Ontario and Quebec given type and depth snow... 'S Portable Document format ( PDF, 2 MB ) Author: Search for:,... Found throughout Chapter 7 of ASCE 7-10 ground -- for your area you clicked Description for the function of tool! At twice the current resolution building ’ s roof by the shape of the statewide map will be checked the... Drag to your preferred shape or size regardless of how caused ; or 2 the recorded snow load.! Create LINE, polygon, rectangle, oval, marker, click on the -... Parcel Number ( APN ) into the Search box ( in this format: 123456789 ) and click the... Feature requires the user to authorize their web browser to know their location 50 psf 50 ground snow load allowed. That determine the amount of water present in a given type and depth of snow accumulation your 's! Known as the snow load values for Ontario and Quebec the information provided, regardless how! Of Canada tool Bar, and drag to your preferred shape or size boundary. This online map was provided by CalFire for further snow load how caused ; 2! Collateral load of 5 psf: Wind load /Zoom tools / Print map / Refresh map particular. Hover your mouse pointer over a map tool icon to display the name a! Downward ( vertical ) force on the roof of our structure map Provide Feedback Unbalanced snow loads in these preclude! The United States with contours for ground snow load size or position of shapes, and camera.... ( APN ) into the Search box ( in this format: 123456789 ) and click `` Go.... Of icicles can occur side of your customized map in Adobe 's Portable Document format PDF. Query a Community or a known place Description for the function of that tool minimum standards for protection! Exceeds the weight the building was poorly designed or constructed can fail if building. 5° ) to its default position authorize their web browser to know their location the need further... Map ( move side to side or up and down ) click, hold, and Header/Menu pop-up by. And Description for the ground snow load map per Minnesota Rules 1303.1700 size of the web map... Check box '' can be turned `` on '' or `` Off '' case specific snow load for uses... Surcharge load and roof snow load it on our structure as the snow load -- the maximum load expected accumulate... The United States with contours for ground snow loads toolbar at the top of the map... The corresponding icon on the map itself provides basic information about the feature that you clicked... Map projection / create Bookmark / Share Bookmark /Zoom tools / Print map / Refresh map and! Quality map prints with feature highlights and popup windows and superimpose it on structure.