ASTM በአንድ ጃንጥላ ዝርዝር ስር ስድስት ወቅታዊ መዋቅራዊ bolting መስፈርቶች consolidates ይህም (2015 ASTM ጥራዝ 01,08 መለቀቅ በኋላ) 2015 አዲስ መስፈርት ይፋ.
ASTM yakhupha umgangatho esitsha ngo-2015 (emva kokukhutshwa 2015 ASTM Volume 01.08) leyo isimanya imigangatho ezintandathu yangoku noshowo bolting phantsi isambrela omiselweyo.