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i <br /> � ' �) r ; � <br /> .-_ .:^ � ;: y T�� o �Fb. <br /> • �,--.' , .- .- ZdS �,�-rP.s/N <br /> /�lrRM/T' �Z238� <br /> MITHUN r- fNR A - 2•//� <br /> r e R r x a e � <br /> 31 luly 1989 � <br /> Laura Carlberg <br /> Tibbatts & Co. <br /> M104 1168 Hamilton Street <br /> , Vancouver, B.C. V6B 2S2 , <br /> re: Everett Keg <br /> .''iear Laura, <br /> At our 20 ]uly 1989 progress meeting David Worley of Devcon, Inc. <br /> had questions regardin`; the gypsum board ceiling and the building <br /> departments requiremecrt for a 1 hour ceiling. I have researched the <br /> issues and offer the [ollowing recommendations: <br /> 1. A single layer of S/$" ty{ro "X" gypsum board applied over <br /> ? �resilient channels or two layers of 5/8" gypsum board applied <br /> ��� over the wood trusses will meet the stated requirement. Fire <br /> blocking will be required for either alternative. � <br /> 2. The raised portion af the existing ceiling in the Lounge will be <br /> required to be lowered so that the C►nish surface is tlush with <br /> the adjacent ceiling as indicated on the retlective ceiling plan. <br /> This will rcquire a suspension system and �nish ceiling of one <br /> laycr of 5/8" type "X" gypsum drywall. I have included <br /> information on a USG suspension system that would satisfy the <br /> stateJ requirement. . <br /> , . � . � . <br /> �RcxirecTURa , ' , . <br /> _ ' ►6ANNINOl . , ,,,, . . . . . .. _. . <br /> ',• .. . ._ � INT6R10� D[lION . . . . • .• ... •• ;. . .. . . <br /> ..y:..._.. �'�.::., . . . <br /> - - moo ntrn eve He ' � •x , � . . � I <br /> .;.�-•.�. �euevvew�v�aa . . , • . . . • . , <br /> . . ... . -� rtn�� .�. � u� - . .. „ . . � <br /> i <br /> I <br /> � <br /> � <br />