Tech PDF

BS

BS 4978:1988

Click here to purchase
Specifies 2 methods of grading softwood namely, visual and machine stress grading. Permissible limits of characteristics for: (a) 2 visual stress grades – General Structural (GS) and Special Structural (SS); (b) 3 laminating grades – LA, LB and LC. Requirements for machine stress grades; Machine General Structural (MGS), Machine Special Structural (MSS), M50 and M75 and Strength Classes are specified. Also includes performance requirements for machines which grade softwood.

All current amendments available at time of purchase are included with the purchase of this document.

Product Details

Published:
11/30/1988
ISBN(s):
0580170756
Number of Pages:
46
File Size:
1 file
Product Code(s):
189325, 189325, 189325
Note:
This product is unavailable in Ukraine, Russia, Belarus