Awpa s analytical standards include several standard methods for detecting the presence and amount of preservative elements in wood. The american wood protection association awpa is the standards writing organization for the u. Preservatives help ensure longterm structural performance by protecting wood used in a wide range of service conditions. Standard methods for determining \rpenetration of preservatives and fire retardants. The complete awpa book of standards may be purchased directly from awpa as a printed book or as a searchable electronic format on a secured usb memory.
The purpose of the use category system ucs is to provide a simple way of meeting user needs by. The following requirements, as modified or supplemented by other awpa standards, apply to each of the treating processes and to all species and types of material. American wood preservers association legally binding document. Pdf is available for public agency and corporate members only to purchase. Wood preservatives are accepted for model building code compliance by reference to the awpa book of standards, or by evaluation reports issued by the iccevaluation service. Fiftyyear durability evaluation of posts treated with industrial. Awpas book of standards provides consensusbased guidance on methods, preservatives and other technologies that protect wood products. Prescriptive residential wood deck construction guide. Adopted in 1999, amended in 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 20, 2014, and 2015. In early 20, wisdot and usda, forest products laboratory personnel began a collaborative project to evaluate the. The current awpa book of standards lists only the use categories and commodity speci. These include the following, and are all available at the awpa store 1997 treating plant list wood preserving plants in the united states, 1997, prepared by james t.
Wood protection association awpa book of standards. Wood preservatives are accepted for model build ing code compliance by reference to the awpa book of standards. Awpa book of standards american wood protection association. Cc2 curb ty,i 150 0 concrete post with \ i o 250 2om 80 cost in field. Analytical a standards to determine conformance of preservative systems, penetration, and retention. This standard prescribes the requirements for care of preservative treated poles, piles, lumber and ties in. Awpa standardization update modifications to the current awpa standards that were proposed and passed in the 2015 meetings will become effective upon the release of the 2016 book of standards. Find the most uptodate version of awpa m4 at engineering360. Awpa standards are written to safely and effectively extend the service life of natural products which come from our most valuable renewable resource our forests. American wood protection association awpa develops standards for wood preservatives and treated wood products. In order to validate your corporate membership to the utah chapter of apwa, you must. The awpa book of standards states, standard u1 is the primary standard for specifiers, such as architects and engineers, but also for end users and building code officials. Published by awpa wood on january 1, 2016 this method is a screening test to determine the resistance of wood based materials to decay by selected fungi under controlled laboratory conditions.
The 2017 apwa standards and specifications hard copy is again available. This annuallyupdated, paperbound, 812 by 11, publication contains all of awpa s standards for preservatives, analysis methods, evaluation methods and other miscellaneous standards along with conversion factors and correction tables, metric equivalents table and an index. Annual meetings awpa american wood protection association. The awpa book of standards states, standard u1 is the primary standard for.
Decking requirements all decking material shall be composed of dimension lumber 2 nominal thickness or span rated decking in. Converting to awpa use categories from commodity standards. Awpa has also produced several popular documents of interest to many people. Naturally durable species with 90% heartwood in width on each side need not be treated per minimum requirements.
Scope this material standard covers the requirements for butttreated, solid, western redcedar, wood utility poles. This annuallyupdated, paperbound publication contains all of awpa s current standards. The executive committee met in san juan, puerto rico. The standards, which will take effect upon their release in may or june, recommend that ground contact treated lumber be used instead of aboveground treated lumber in the following aboveground situations. Awpa u1 standard and 2015 international residential code irc the american wood protection association awpa has changed the u1 standards for treated wood used in residential, agricultural and commercial applications. The american wood protection associaton awpa recently unveiled upcoming standardization changes for treated wood use. Awpa book of standards introduction wood can be subject to attack by insects, microorganisms and decay fungi, especially in highmoisture conditions. Research has shown that consumers have a preference for standardized products when they are aware that they exist. Search for library items search for lists search for contacts search for a library. Apwa congratulates bellevue, wa on its reaccreditation. July 25, 20 1 of 3 standards coordinator standards supervisor unit director john shipek john shipek darnell cola wood poles, butttreated, cedar 1. This annuallyupdated, paperbound, 812 by 11, publication contains all of awpa s standards for preservatives, analysis methods, evaluation and miscellaneous along with standard conversion factors and correction tables, metric equivalents table and an index. Awp sb ok fst andrp v i ecub g on methods, preservatives and other technologies that protect wood products.
Awpa c1 timber productspreservative treatment by pressure processes, all awpa c1 adopt withdrawn superseded show complete document history how to order. New awpa standards for treated wood effective july 2016, the awpa u1 standard was revised establishing. By order of the executive director office of the federal register washington, d. Ddot standard specification for highways and structures 20. Apwa the power of public works brand video youtube. To purchase the complete standard u1 which contains all listed speciespreservativeretention combinations for each awpa use category, please visit the awpa store. This annuallyupdated, paperbound publication contains all of awpas current standards. Standard methods for analysis of oilborne preservatives name of standards organization. Standard for waterborne preservative name of standards organization. Excerpt from awpa u1 copyright 2015 awpa all rights reserved. Also available on a searchable cdrom or a book cd combination. The courses provide premier training on critical asme codes and standards.
The american woodpreservers association book of standards is intended for use by the wood preserving industry as well as for guidance of the purchaser in specifying and obtaining adequately treated wood products. The awpa c standards are no longer under development and have been replaced by awpa standards u1 and t1. More details 20 awpa book of standards more details. Sources include the book of standards 20 edition published by the american wood.
Several of the wood treatment inspection companies can also inspect the wood, take the necessary samples and run the analytical procedures to determine if the wood has been treated and ascertain the remaining amount of preservative in the wood. Other awpa publications awpa american wood protection. Standard method for laboratory evaluation to determine resistance to. Pressuretreated southern pine wood products are an economical and. American wood protection association awpa awpa book 2015 awpa book of standards awpa m2 2016 standard for the inspection of preservative treated wood products for industrial use awpa m6 20 brands used on preservative treated materials awpa p5 2015 standard for waterborne section 06 10 00 page 7. Awpa standards are developed by its technical committees in an ansiaccredited, consensusbased process that involves individuals from all facets of. This material standard applies to cedar poles up to 60 feet in length. Awpa book 20 book of standards, 20 edition, boxue58.
This engineering instruction ei is effective with projects submitted for the letting of sept. Standard method for analysis of treated wood and treating solutions by xray spectroscopy name of standards organization. The csa o80 series of standards specifies requirements related to the preservation and fire retardance of wood through chemical treatment pressure. Standard specifications this book of provisions, the 20 standard. If these requirements are to be otherwise modified. The impacts of new design values for visually graded southern pine dimension lumber, effective june 1, 20, are explained. Awpa modified its name from american wood preservers association to american. The american wood protection association awpa, formerly the american wood preservers association is a nonprofit organization responsible for promulgating voluntary wood preservation standards. Awpa has been the premier developer of consensusbased standards for treated wood products since 1904, which is why the building codes rely on awpa standards. New recommendations are included for fasteners and hardware in corrosive environments.
As the principal consensusbased standards writing organization which serves the needs of users, producers, and those generally interested in wood protection in the united states, awpa also has significant influence internationally. Code courses are developed and presented by respected industry experts who understand and can communicate code and standard relevance and their impact on safety, quality and integrity. Awpa standards american wood protection association, inc. The use category system standards are updated annually and are published in the awpa book of standards. Awpa standards american wood protection association. If playback doesnt begin shortly, try restarting your device.
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