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HOWARD NEEDLES TAMMEN & BERGENOOFF <br />January 17, 1984 <br />Mr. Tim White <br />Walker NcCough Foltz Lyerla, P.S. <br />P.O. Box 1482 <br />Spokane, I4A 99210 <br />Reference: Snohomish County Detention Facilities <br />Dear Tim: <br />lie have received the letter dated January 10, 1984 from Mr. Frank Natsuhara <br />of ICBO to Mr. Larry Callahan of the City of Everett. <br />We have reviewed the comments and are writing in response to the items men- <br />tioned in the letter. <br />CIrD• 1. The elevator pit door will comply to the 1-1/2 hour fire rating. <br />vlv 2. A fire damper will be provided for the duct at the penetration of the <br />wall. The door will not be an undercut door. A ceiling grille and an <br />opening at the wall above the ceiling will be provided. Opening at the <br />wall will be protected by a fire damper. <br />UP 3 <br />V�,4 <br />This item will be complied with. <br />This item will be complied with. <br />According to NFPA 96, Section 3-2.9.3 each duct system shall serve only <br />exhaust hoods on one floor. See attached copy. The range hoods for <br />the ductwork systems are all in the kitchen on Level 6.1. We believe <br />that the kitchen hood exhaust systems comply with the code requirements. <br />NFPA 90A deals with fire damper requirements at floor penetration. <br />See attached copies of Section 3-3.4 and Figure 3-3.4. The ducts that <br />pass through the floors are in the mezzanine areas and do not pass <br />through floors at level. We believe the fire dampers are in accordance <br />with the code requirements. <br />Architects Englxen Planners <br />100 0mtls A..., N.E. Sul%am, Ballavue, W nhinatx IMxa. 201461,41333 <br />Papeete James F Finn PE, Paul L. Heineman PE Gerard F Fox PE. Browning Crow RE. Cherries T Hennpan PE, Cedar B Johnson PE Pumel J 1ralkns PE <br />Daniel J Speak PE, John L. Canon PE. Francis X. Hall PE. Rupert S. Come PE. Donald A Dupes PE. Willoam Lover AIA Willmm G Xtereadle PE. AmM 0 Man PE. <br />James L Tuttle. Jr. PE <br />As lxlaW Daniel J Appeal PE. Roput W Richards, PE. Don R Orl PE. Frederik H. Slartepn PE. Rolm B. Kelleher PE. Kwall T Lincoln CPA, Jack P Snead PE. <br />Rome, W- Small PE. Jack C. Thompson PE. Richard 0 Backman PE. John A Elden AIA. Haiti, D. Smossa PE, Ralph E. Peterson PE. Cecil P Counts PE. <br />Stephen G Demand PE. Harvey K Haremond, Jr PE. Stanley I Meal PE. Paced W Mao PE, Me" C. Gersten PE, Cary C Gaxteran AIA. wall& Share PE. <br />Gordon N Fare" Jr. PE. James 0 Russell PE. thigh E Scholl PE, Poland Wadsworth. Jr PE. Ross L. Jensen. Frank T Lamm PE. Alexander F. Shay PE <br />John W Wight PE. Thomas K Dyer PE <br />011lwe Ap arel& VA. Atlanta. GA. Balm Rage, LA. Boston. MA. Cam Caal, FL, Gaper, WY, Charleston SC, Chadeshon, WV. Chicago. IL. Cleveland. ON. Dallas. TX. <br />Boom. CO. Fairfield, NJ. Houston TX. IndarnpordrAN Kansas Cay.MO.La.Inglart MA.Lx AngaikerA.Mwmr FL.Mawaukee.WI, Minneapolis . MN.Newark. DE.N"Yak.NY. <br />ChAndo, FL. OvMand Park, KS, Phlndelpha, PA, PK'ems. AT. Seattle, %VA Tampa. n, Tucson, AZ, Tulsa. OK. Pinang. Malaysia. Re de Janeiro, Brazil <br />