1、Notices in force: As listed in paragraph 3. v13, N22, N23, and N24 with basic provide all current pages.) DEPARTMENT OF TH ARMY DOD 4270.21 - SPEC 4.1 DEPARTMENT OF THE NAV Notice 24 * DEPARTMENT OF THE AIR FORCE January 1976 ! WIDE SPECIFICATIWS FOR MILITARY FAMILY HOUSING MASONRY WORK In bringing
2、guide specifications up to date, three categories of actions are used, as follows: 1. Notice: This category is .ped chiefly to distribute changes made to bring references up to date but may also include minor technical changes requested by WD. 2. Revision: This category comprises one or more replace
3、ment pages used to distribute changes that have been fully coordinated, including any necessary coordination with industry. 3. New Edition: all pages of a guide specification are republished, hereinafter referred to as a basic specification. This category describes a complete revision, in which Is a
4、ddition to replacement pages issued 8s revisions, notices for this guide specification are now issued as replacement pages. lines containing changes made since the last formal issue of the page, whether basic or revision, are preceded by the nmober, in parentheses, of the iast notice by which the li
5、ne was changed. line in the right-hand margin identifies lines containing revisions of the previous formal issue of the page. On notice pages, On revision pages, a vertical As with formal page revisions, notices in this form are not cumulative, and pages herein should be retained until a replacement
6、 page of later date, either revision or notice, is issued. Below is a list.of current replacement pages for the Jul 1, 66 issue of 4.1. R designates a revision page as described above, for a page of the basic specification, N a noticc page for a page ofthe basic specification, and R/N a notice page for a revision page. . Page Marked Date i N23 Oct 75 ii N24 Jan 76 iii N22 Jul 75 1 N24 Jan 76 2 N24 Jan 76 3 N13 Nov 70 5 N24 Jan 76 Supersedes Notices 11 and 18 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
