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h <br />>H <br />AD:x <br />H <br />JAN- 6-92 MON :` 21 ?ECH' CA! :HOOF SEF,V:CES FAX N0. 4:568nQ31i P,02/04 <br />K�o <br />' <br />H� <br />0 <br />y N rg <br />TECHNICAL ROOF SERVICES, INC. <br />M <br />O <br />H C7 <br />393 Clerk Drive, Suite C •Picuaut HM, CA 94523 • Phonc (510) 003J410 • Fax (510) 68048311 <br />H M O <br />41. <br />H <br />January 6, 1992ti <br />CA <br />O H <br />0 t1 In <br />CC <br />j� M <br />Mr. Jeff McFall <br />H 1�1 En <br />Associate Engineer <br />o w <br />CITY OF EVERETT <br />3200 Cedar Street <br />Everett, WA 98201 <br />RE: Mervyn's Store Takeover <br />Fredrick 4 Nelson <br />Everett, WA <br />TRS #91252 <br />Dear Mr. McFall: <br />Mr. Dregger, from our office, contacted you last Thursday <br />regarding the upcoming reroof project and roof insulation <br />s <br />�6s <br />requirements for the above mentioned project. On 1/3/92, I <br />spoke with Tim Tyler from the Building Department, and I am <br />C/� <br />lo,.1. <br />still unclear about the insulation requirements for reroofing. <br />We are attempting to clarify the City's position and inlerpre- <br />�„ <br />tation of the Code that you indicated requires installing <br />f®1 <br />thicker or higher "U" value insulation than what is currently <br />on an existing building, <br />In your conversation with Mr. Dregger you indicated that "to a <br />degree practical and possible" that two options are available <br />to calculate insulation values to meet the current 1991 <br />Washington State Energy Code: <br />�•`o <br />- Minimum R-30 for roof system <br />or <br />- Total building "U" calculations <br />As roof consultants, we have not encountered a Building <br />...�� <br />Department that has required upgrade of roof insulation on a <br />reroof project to moot current "R° or "U" values, unles's the <br />value of the retrofit project dollar val,�- exceeded 30% to 50$ <br />of the value of the building. <br />_ <br />ftw <br />rl <br />CONSULTING & INSPECTION <br />u <br />4 <br />h <br />