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� r <br /> Date: August l, 2007 <br /> 7'0: Everett rnginecring, New Building Plans Revicw. <br /> Sub;ect: Letter of Response to Drawing Corrections (plan chk # I30706-063). <br /> (second submival) <br /> As sho�vn bclo�v, plcasc fmd thc original Enginccring conccrns in ordcr. I3clo�v cach <br /> concern is the location (drnwing sheet number) where concern is c' �rified/nddressed. <br /> Plcasc call Aic undcrsiencd with any qucstions or concems. <br /> 1- <br /> Regarding Itcm �t I of thc previous Iettcr; l�he doublo-chcek dctector valve assembly <br /> (DCDA) and the sprinklcr system riser access room should be sho�rm on the plans. <br /> The DCDA can bc within thc sprinklcr riscr room or within a vault outsidc of thc <br /> building and should bc located no fur►her than 70 fect from the water main. The City of <br /> E��erett Standard 523 is cnclosed to sho�v the reyuirements 1'or the DCCDA if placed <br /> within the sprinklcr riscr room. <br /> The sprinkler room is sho�vn on the east ��all of thc parking garage. A <br /> detail is provided on sht G. <br /> �_ <br /> Regarding Item N2 of thc prcvious Icttcr; 71ic pinns nccd to include ho�v you intend tn <br /> build the one hour exterior walls on lhc north and south sides. This is typically done with <br /> a cross section dctail. <br /> This concern is darificd/addressed on drawing shect 2, and 9. <br /> ;- <br /> �Rcgarc ing Itcm #3 of thc prcvious Icttcr; Plcasc providc thc tcsting agcncy identification <br /> numbcr along with thc detail Cor thc proposcd floodcciling assembly bet��'een units. <br /> � This caiccrn is clarificd/addressed on dra���ing shcet 7 and S. <br /> � 4- <br /> ' Regarding ltcm N4 of the previous leucr; 13oth stainvay exit enclosure shafts are required <br /> �, to be totnlly cnclosed by 2-hr firc bnniers with 1 '/: hour doors. 'Thc enclosurc nt the east <br /> end still appcars to be open to the cntry space. Testing agency details with identification <br /> ' numbcrs arc required for thc wall assemblies. ��hese barriers are required to be <br /> continuous through coneealed tloor eciling spaces. 'I'hey cannot bc "interrupted" by the <br /> onc-hour Iloor,�cciling asscmblics. Plcasc providc dctails. <br /> This concern is clarified/addressed on dra�ving sheet 1, ? and 8. <br /> \I`✓ <br />