Wind Zone Calculator Nz

With support for simple or complex site criteria the wind calculator provides a deep range of customisation options to provide fast results and in depth customisation where required. We walk through how to find the correct wind zone for a site.

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The amount of bracing required to resist the lateral wind loads on the building under NZS 3604 is based on the design wind speed.

Wind zone calculator nz. The wind zones in BRANZ Maps are an output from a successful 2014 research project at BRANZ. Select search option for full address or road etc. Click the shapes to see the legend.

It is a valuable new tool for anyone wanting site-specific earthquake and corrosion zone information. Central Otago District Council does not hold wind zone hazard information for properties. External link Summarised from BRANZS Build magazine AugustSeptember 2012.

NZS 3604 divides New Zealand into two wind regions A and W and several lee zone areas these are areas where the landforms create localised wind acceleration resulting in higher wind speeds than the rest of the. Your browser is currently not supported. Wind zone or speed must be determined by applying the methodologies in NZS 36042011 Timber-framed buildings Label.

Check legend below for Wind Zone. Wind Zones for the Wellington City Urban Areas using NZS36042011. Specific design is required for wind speeds greater than 55 ms.

1 Low Wind. View on Information Provider website Download this resource PDF 13MB Wind zones and NZS 3604 - Build 1282012 Description. The tool applies the calculation method automatically and passfail compliance is determined.

BRANZ Maps shows the earthquake and corrosion zones for a given address. Our building and planning teams do not have access to information that can assist with determining the wind zone. Windzone VH WIND ZONE This wind map may not be used to determine the wind zone or speed for design purposes or a building consent application.

Then type in address or road name etc. Show what documents this resource is CITED BY Show what documents this resource CITES. For windows NZS 4211 defines four wind zones Low Medium High and Very High.

This bulletin explains the BRANZ Maps tool how the wind zones were calculated and what other wind. IF YOUR REGIONS HAVE A SPECIFIC GIS VIEWER PLEASE LET ME KNOW SO I. Click the pancake on the web site to turn on Wind Zones.

255 187 0 255. Often wind determines the bracing requirement for timber-framed buildings. The wind zone calculations consider the wind region the site is in the terrain built-up or open topography the slope of the land and the degree to which the site is sheltered or exposed.

A wind zone assessment is site specific and involves factors such as the proximity to open terrain topography of the surrounding. We walk through how to find the correct wind zone for a site using NZS 36042011. The wind zone can now be applied to calculate the wind bracing demand from NZS 36042011 Tables 55 56 and 57.

Wind Codes and Wind Zones. The ClearCalcs Wind Load Calculator to ASNZS 11702 makes it easy to perform in depth wind analysis to Australian codes in only minutes. We recommend upgrading to the.

Where the zone is not high H the multiplier for the relevant wind zone is used to. For housing and low rise projects the wind loads can also be determined from NZS 3604 or using the simplified method in NZS 4223. Select the climate zone and wall construction type s and enter area and construction R-values for the various building elements.

NZS 42182009 calculation method tool. Back BU588 BRANZ Maps and wind zone calculations. BU588 BRANZ Maps and wind zone calculations This document is not CITED BY any other resources.

A number of approximations were made while creating the map which are explained below. Part 42000 - Dead Wind and Snow Loads. The project aimed to provide automated calculated wind zones in accordance with NZS 36042011 Timber-framed buildings using GIS software which can now be done for a specific site.

A wind zone refers to the wind forces that affect a building as determined in the Building Standard NZS 3604 2011. Extra high wind zone wind speed of 55 ms. When applying for a building consent the wind zone in which a structure is located determines structural requirements New Zealand Building Code - NZBC B1 - Structure and weather tight requirements NZBC E2 - External Moisture.

BRANZ Maps free online tool. Click here to link to Auckland Council GSI Wind Zone Viewer. These tables give wind bracing demands BUm for the subfloor structure and the walls of single and upper floors and the lower of two-storeys.

Wind zone influences the risk level of the building envelope under Clause E2 of the NZBC so it is critical to detail cladding systems for appropriate wind zones. Please note that creating presentations is not supported in Internet Explorer versions 6 7.

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