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Public comments may be submitted on proposed draft new ASME Standards, and on proposals to revise, reaffirm or withdraw approval of existing ASME Standards.

Comments should be addressed to the Staff Contact indicated for the particular proposal, with a copy to the Board of Standards Review, American National Standards Institute, 25 West 43rd Street, New York, NY 10036. Fax: 212-840-2298; e-mail: psa@ansi.org

All ASME public review proposals are available in hard copy for the price shown. For proposed reaffirmations and withdrawals, copies of the current standard may be purchased from ASME Information Central at infocentral@asme.org or by calling 800-843-2763. You may also purchase a copy online at http://members.asme.org/catalog. Some proposals are also available electronically, directly from this page for no cost. Proposals that are available electronically are those that contain a link entitled "Public Review Draft File" at the end of the announcement for that proposal. Simply click on that link to access the public review proposal.

Please click here for Information on Boiler and Pressure Vessel Code proposals available for public review.

For ordering hard copies of drafts, advance payment is necessary.

Please order hard copies from,

Mayra Santiago, Secretary A
E-mail: ansibox@asme.org,
ASME Codes & Standards
Three Park Avenue, MS/23E2
New York, NY 10016

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Title:	Single Copy Price:	Staff Contact:	Comment Period End Date:
Reaffirm current ANS: ASME B18.13.1M - R20XX, Screw And Washer Assemblies: Sems (Metric Series)	$44	Ryan L. Crane, PE	11/11/08
This Standard covers the general and dimensional data pertinent to the various types of screw and captive washer assemblies, otherwise known as sems. The word sems is recognized in the United States as a generic term applicable to screw and washer assemblies. Also included in this Standard are appendices to illustrate relative proportions of plain and conical washer sems and provide documentation on washer dimensions for sems with screw types and head styles that have been relegated to "not recommended for new design" status. For proposed reaffirmations and withdrawals, copies of the current standard may be purchased from ASME Information Central at infocentral@asme.org or by calling 800-843-2763. You may also purchase a copy online at http://members.asme.org/catalog.

Revise current ANS: ASME B18.2.4.5M - 20XX, Metric Hex Jam Nuts	$20	Ryan L. Crane, PE	11/04/08
This Standard covers the complete general and dimensional data for metric hex jam nuts, recognized as American National Standard. The inclusion of dimensional data in this Standard is not intended to imply that all of the nut sizes in conjunction with the various options described herein are stock items. Purchasers should consult with suppliers concerning lists of stock production hex jam nuts.

Create a new American National Standard (ANS): ASME B31.12 - 20XX, Hydrogen Piping and Pipelines	$95	Gerald M. Eisenberg	09/30/08
This Code is applicable to piping in gaseous and liquid hydrogen service and to pipelines in gaseous hydrogen service. This code is applicable up to and including the joint connecting the piping to associated pressure vessels and equipment, but not to the vessels and equipment themselves. It is applicable to the location and type of support elements, but not to the structure to which the support elements are attached. The design for pressure and temperature shall be in accordance with the requirements of Part IP for Industrial Piping and Part PL for Pipelines. This Code is presented in the following Parts and Appendices: (a) Part GR – General Requirements This Part contains requirements applicable to and referenced by other Parts. This Part contains definitions and requirements for materials, welding, brazing, heat treating, forming, testing, inspection, examination, operation and maintenance. Also, this Part contains quality system topics common to the other Parts. (b) Part IP – Industrial Piping This Part includes requirements for components, design, fabrication, assembly, erection, inspection, examination, and testing, of piping. (c) Part PL – Pipelines This Part sets forth requirements for components, design, installation, and testing, of hydrogen pipelines. (d) Mandatory Appendices I thru IX (e) Nonmandatory Appendices A thru F Each Part defines requirements for piping or pipelines, as applicable, within its scope. The requirements are different for different aspects of components, design, fabrication, installation, assembly, erection, inspection, examination, and testing. It is required that each Part be used in conjunction with the General Section, but independent of the other Parts. The joint connecting piping governed by two different Parts shall be subject exclusively to the requirements of the one of the two Parts. It is not intended that this edition of this Code be applied retroactively to existing hydrogen systems.

Revise current ANS: ASME PTC 25 - 20XX, Pressure Relief Devices	$40	Steven J. Rossi	09/02/08
This Code provides standards for conducting and reporting tests on reclosing and nonreclosing pressure relief devices normally used to terminate an abnormal internal or external rise in pressure above a predetermined design value in boilers, pressure vessels, and related piping equipment. This Code covers the methods and procedures to determine relieving capacity and additional operating characteristics which may be required for certification or other purposes by other Codes.

Revise and redesignate current ANS: ASME Y14.5 - 20XX, Dimensioning and Tolerancing	$85	Calvin J. Gomez	10/21/08
This Standard establishes uniform practices for stating and interpreting dimensioning, tolerancing, and related requirements for use on engineering drawings and in related documents. For a mathematical explanation of many of the principles in this Standard, see ASME Y14.5.1M. Practices unique to architectural and civil engineering and welding symbology are not included.