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Plans Oregon Heating' • RECEIVED • & Air Conditioning JUN 14 ?011 CITY OF TIGARD BUILDING DIVISION Scope of Work Oregon Heating and Air Conditioning will perform the following scope of work: 1. Rework distribution using existing equipment. 2. Reactivate abandoned unit for adjacent Ste 140 including gas mods. 3. Take Ste 140 unit (5) and add to Ste 150 including gas mods. 4. Ducting and air - distribution modifications as drawn. 5. Gas modifications as drawn. Equipment Schedule RTU1 -5 Existing. CITY OOFF Ventilation Requirements- based on 2010 OMSC table 403.3 Approved . y► l � --GT/ I [1�r RTU1- single zone office Conditionally Approved [ 400 sft breathable zone See Letter to: Follow Persons- 5 cfm X 5p /1000sft = 10cfm Atta lied Area- 0.06 cfm /sft = 24 cfm 7 Vbz = 35 cfm Permit Number: � � M� OS 5 Ez = 0.8 (supply and return in ceiling) Add - • ', • J LL ;,•1,�� 0 Voz= 44 cfm • SA = 1200 cfm By: !`�� Date: M RA = 1100 cfm • OSA = 100 cfm RTU2- single zone recept 6/1 LAW S OFFICE COPY 300 sft breathable zone Persons- 5 cfm X 30p /1000sft = 45 cfm Either 150 or 140 Area- 0.06 cfm /sft = 18 cfm Vbz = 63 cfm Ez = 0.8 (supply and return in ceiling) V oz= 79 cfm Per OMSC Tabel C402.4(3) SA = 800 cfm 2Psi inlet pressure @ 1.0 Psi pressure drop RA = 700 cfm OSA = 100 cfm Max Load— 4 RTUs @ 100,000 Btu each RTU3 -existing Total = 400,000 Btu RTU4- adjacent tenant RTU5- single zone office 250' developed length 600 sft breathable zone I� Persons- 5 cfm X 5p /1000sft = 15cfm 1" pipe adequate for 1,040,000 Btu Area- Vbz = 0.06 fmm /sft = 36 cfm 1 3 /4 " pipe adequate for 583,000 Btu Ez = 0.8 (supply and return in ceiling) sA =1 fm Extend 3/4 " pipe to adjacent units. RA = 1300 cfm OSA = 100 cfm Page 1 of 1 /41 Oregon Heating & A/C, Inc. PHONE NUMBERS MAILING ADDRESS OPERATIONS CONTRACTOR LICENSE O ` N om"" ° 503 -691 -9699 PO Box 241 19300 SW 118 Ave Oregon CCB 172126 1- 800 - Furnace 503 -691 -8556 (Fax) Dundee, OR 97115 Tualatin, OR 97062 Washington OREGOHC900BN www.oregonheating.com i Duel- M oo OPA s C ; 2/2I 1 1111111111111 I 1111111 111111 CO ■■■■■ ■i■ ■ i • ■t I _ _ _ _ I 1111111111111111111111Mair 1111/N1111111 I 111Fl S® ■ i ■i iiimiiii iii�■iiii ■di■ ■ ■ ■■ �■ ■ ■■ =- ■L11 >■ ■■L- ►�• �, - � - �- ��I 1111■■ ■ ■ ��I ■� 1111 i \ �� . irmil . i s lamMom ii`■iiiaiN■ ■. i ■■■�■■■�� i 1� 0111M11110111111111111111111111111111111111PME LJI� ■ orill)=131rimmommin ■�roiii�■ ■i no 1� ii ■4�'alll �i - Ic 1111 ■ !:Iil 1� ii■�iiii� = w► a I�i� i�� 1 ■ ■1■11 0 � 111 � sommumgff N 11EI i ■I i■il k iil l NO211∎11.r, _ i ►'n i i „a►'�:�■i'■' 1 �-��_ ill Il was �ii ■ iikei S • 'II IIIMI w 1® tom 1�1 ni�ll1� ■■■ asEiii�!�R� � 1 ■ _. r ■ ■■II■#►1i®►_ ■i 11111 I■ ai ■■imuiiii!!IM ■i1.6hvi.UJI ■■ 11■ ■ \IMEMEu I alllm::iiimm: i =►,,�: 4gipoRlil . ■■1111 ■■ M■ 1 11111 �1111■■i/all7 7� Liii■!I �►. ►:.�%ilii -e riamonommumimilmil wommulmm ►1=1 r,�r /..ETA■ ■II■ ■ME ME1i r1 ■lii ■■II ■�i ■1111i� ■1111 ©■ 1111 1111 ■IJ ■0111111■ ►.101111■ ►74 .iiIIi k '7 1111 ■► ■■II ■►.1 RUII_ calla■. ■i Immi ■■■!!'�!��'!I■■ : ■■11 ■■ ■VIII ■it11 ■II■. ■ ■■II ■■ ■II ■ ■■11 ■■ ■■ ■■ s n - it n 11111•111 NI KM KJI T r f � 4, E - /rilis u� CW (D k �INsi 9rolA Iry L M 1 1 Attett CUt 15495 SW Sequia Pkwy, Tigard, Or - Google Maps Page 1 of 1 U4 . Ad - -- -- - --- ••- • - -- - -- To see all the details that are visible on the A _ �� screen, use the "Print" link next to the map. �rl�w� ma '..� Gale maps 1 ZEE , B - ` : i U ,, wa+ .� �rc�a saw __ — • • IA Z \\\\- ,, CO , . ii, . _ ,..... 0 \ \\ \ NI vi r +,.a I s i � ;► • ' o • 0 ,: C=3 lic • • • WIT* ii q 0 r=z - ° - 3 pan : .: it or w 41" # k I st a .. \ ‘ IN t 6 , RV „,- 4 i'L At , ig, 0 ..Q.,.., . .. ,•. ► w . , EXT4ati_D . , 5 r 1 G� Jr IL =. '41 , au , . 6 u f- iv Ova” -fly 11 1 ---il . • 4., 0 1 i Z 0 n ' l i o Gds : ri i 3, A ' � - t ( i L A.. _ . 0 _ --Z_ - _---- -- - - -• =_ Imp A. �- G �q ZOOle /1.44 , , 011 Google - Imagery Valiafrogle , Map data ©2011 Google - e l' %ItIf O\ ∎\ID NM' '$t .