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� ENVIRONMENTAL HEALTH DIVISION <br /> � ��� SNOHOfVItSH 3020 Rucker Avenue, Suite 104 <br /> ��� HEALTli Everetl, WA96201-3900 <br /> ��f;i�.��1' DISTRICT 425.339.5250 FAX: 425.339.5254 <br /> �>' Deaf/l-lard of Heanng: 425.339.5252 (TTY) <br /> Mnrch 6, 2008 ���, -� � ��'��- <br /> Dirk Looijenca <br /> Colorado Pool Systcros <br /> 126�0 W 64'�, Avcnuc. Unit l: 124 <br /> Arvada. Colorado 8000d <br /> Subjcct: Propnscd Pool and Spa al 24 hour I�itncss <br /> 11014 19'�' �1vc. SI?. F,vcrctt, R'ashington 98035 <br /> Dcar n9r. Looijcnca: <br /> We have rcvic�ved your swinuning pool and spa plans, but are unable to approvc the plans at diis <br /> time. [3clare these plans can bc approvcd the I'ollo���ing issucs necd to bc addressed: <br /> 1. More inlbrmation is needed on the doors and any �aindo�+� that may open to the pool area. <br /> Notc th�t all doors must bc childproof such that ilicy are self-closing, self-l�tclting ��ith <br /> latches �t 60" abovc ihe Ooor (or sclf-locking kcyed cntr��). Note thxt some doors may <br /> also necd to mcet fire code and the Americans with Disabilities Act. <br /> I:Icvation dclails may bc nccdcd to cnsurc ���indo���s will not open more than 4", as per <br /> \�'AC 246-360-031(4). 'l�hcrc arc �ilso minimum cciling hcight rcquircmcnts in WAC <br /> 246-260-041(I)b und WAC Z�}6-260-0�I (2)c. <br /> 2. Includc the propnsed signage and drati operation manual. ��hich would cxplain the <br /> location of the phone and first aid kit. Pay attcntion to li(eguard requirements for this <br /> gcncral usc pool, us outlincd in N�nC 246-?60-131 (()iv. <br /> 3. Calculate hct�d loss bccuusc of dirty filtcrs and mininn�m pump capaciq�. <br /> 4. Providcjustilication Ibr dcsigncd spa turno��cr ratc o1�30 minutcs used. Dat� from similar <br /> spa pools at other dubs is nceded to justilj `.lightly loaded" turnover design. <br /> 5. "I'hc rcturn,jct sqstcm 3" spa pipe vclocity appc:irs to bc slightly too high at 6.13 fl/scc. <br /> G. Pro��idc morc inlbrmation on thc A4ain Drain Covcrs. Notcd that ihc plans call for an anti- <br />� ��ortcs main drain covers (Pool and Spa Data 1'P-1), but lhc engincering calcul<itions wcre <br /> done for Ihe standard grate parl NSY10326 with C,S sq. in. and SP1062 with 44 sq. in. <br /> Generall�� .�V grate options lor Main Drain Covers have a much smaller open arca. <br /> � <br />�I <br />