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Page 2- Building Security Recommendations <br />RECOMMENDED LOCKSETS (RES�DENTIAL/MULTI-DWELLING) <br />DF.ADBOLTS AND LATCHES - A minimum of one deadlocking bolt and one dead- <br />_ �ocking latch, or equivalent, shall be provi.ded �or all. accessi.bJ.e szngle <br />sWi.nging doors. <br />� <br />The bolts and latches should �neet these cri.teria: <br />(Refer to Figure ��1) <br />. The boJ.t must extend a minimum of ane it�ch and be made of case <br />hardened steel or contain a hardened insert. <br />. The latches nust have a minimum projection of one-half inch. <br />. The cylinder guard must t�e tapered, rc�und and �r�ee-spinning te <br />make it difficult tn grip with a pli��rs or wrench. It must be <br />soli,d metal., not hollow casting or stamped metal. <br />. There should b� at least a five-pin tumbl�r syst�n or. equiv�lenL <br />locking device. � <br />. The connect in� scre�+s thaL hol.d the lock together muse be �n ti:e <br />inside �nd made af cRse hardened stec�l. No �xpo�ed ScreM r;eacs <br />should b� on �.he outsid�. <br />. The conn�cting s�ceus must� be at least one-fourth irtch in diametc:r <br />and go tnto �o1id metal stock, not scxe�+ pc�sts. <br />. When a rim cype or surface deadbolt lock iS used (se� ri�ure �l2), <br />the lack �ill be attached to the door �+ith carriage Dolts. <br />� STRIKES - ip strike �late �s the jamb faste�ing that receiv�s Che bolt <br />and%or latch in the locking positian)• Metal strikes shall b� required fo; <br />all locking devices �nc� shall m�et the followin$ criteria: <br />5tri.kes shall have a cni.ni�um thickness of .Ob2 wiCh a r�:nir.nun �f <br />� r.uo No. 8 Gire sr.r�us. or ��u:val�nt. pQnetratin� Ht 1�.1': `.•-c <br />inches into solid b�cking be}•ond the �urface to Which the st;ike <br />is attacl�ed • <br />�r.rikes useci for de�d latche� �h�111 nak rillou tiie �ead-�atch <br />pl.unger to �nter the strzke hole. with tY�e l.�tch af Ler i���.<.al <br />lation. <br />Thc� sti-ik�: 1 ot• the r im t ype c�t �:uc i:iC:�.' de�dbol � w i 11 be :.i�tc't���i <br />tr the door jamb w�ith .�t least tu� (2) inch long wooti ,,cre��::. <br />, A heavy duty strike plate (sec� Figure Ijl) �nay be i�stal���d in <br />� pl�ce of R regult�r strike ��l��tc� t�� hc�l�� ��t.ren�3then cioer fr,�,�es. <br />'I'he heavy dutv platc� uses f�ur to six (1�-(�) thrc�e inc}� 4���c� scr�Ws. <br />APPENDIX � <br />