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• <br /> 414 4,1,1 Construction peci ication <br /> 'a.:uw:ayam.oxdp.waxcm:Ea¢vwwy.wec -, '.�. - .�•,. -:awn.ero+c...a....=::::,...+oc..wa•o-..:.:w.auw»ssr�ciw�:..+....'.<...w+uu.wa.oee:<uuw..�A •..rC>Ys::" k+^tiwrwuw..a..e.».v.m�wG <br /> Everett Pacific investinents <br /> 2211 37th St <br /> Everett,WA 982(11 <br /> • <br /> Specifications For CentiMark TPU Mechanically Fastened System <br /> Sections included:Main Roof-BUR <br /> Project Prtparatlon:• <br /> Perform a pre job meeting to determine jobsite logistics and safety requirements. <br /> Furnish proposed construction schedule,if needed. <br /> Furnish and install proper safety equipment in accordance with.Centimark's written safety program. <br /> Safety Related <br /> Furnishand install warning lines to identified areas.associated with ground related:roofing aetiVities. <br /> Store roofing materials in accordance with good roofing practices.Material placement will be to distribute weight <br /> loads throughout the entire roof area. <br /> Sur face Preparation: <br /> Remove areas identified as wet down to the structural deck and fill void with rigid insulation to levelat a cost of <br /> $2,00 per square foot. In the,area of removal, the deck will be inspected and if it is not capable of providing a <br /> acceptable substrate for the installation of the new roof it will be replaced at a unit cost of$2.50 per square foot. <br /> Areas of removal will be approved by an Owner's representative. <br /> Insulation Attachtnent: <br /> Furnish and install a layer of 1/2" polyisocyanurate insulation, (R-Value 2,8), This layer of insulationwill be <br /> mechanically attached to the prepared substrate utilizing FM Global(FM)approved 3" plates and fasteners. <br /> System Application: <br /> Furnish and install CentiMark..60 mil reinforced,TPO roof membrane, <br /> Position the TPO membrane over the prepared substrate and allow the membrane sufficient time to"relax prior to <br /> installation, <br /> Install.the new TPO membrane over the prepared surface by utilizing mechanical fasteners on 10 foot centers. <br /> Mechanical attachment of the membrane shall be done utilizing a 1" wide polymer batten bar or 2 3/8"round seam <br /> plates and FM Global(FM)approved fasteners:Maximum spacing 6 on center. <br /> The thermoplastic membrane seams will he overlapped a minimum of 5';then hot air welded together.Weld width <br /> shall be a minimum of 1.5' in width for automatic machine welding, Weld width shall be 2" in width for hand <br /> welding.Upon completion of welding,each seam shall be probed to.ensure proper securernent. <br /> HVAC.Curbed Penetrations and Other Air Handling Unit Details CITY O F E V R ( <br /> [REVIEWED FOR PERMlf <br /> •CentiMark,Confidential-Version:255272.1;12 <br />