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<br /> FOUNDATION VENTIL
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<br /> 8" X 16" UNDER-FLOOR N n
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<br /> CRAWL SPACE AREA = VENT WITH A MIN. FREE � �
<br /> AREA OF 45 SQ.IN. o
<br /> . 928 SQ.FT. �
<br /> 928 / 150 = 6 SQ. �!'.
<br /> (864 SQ IN) OF NET
<br /> FREE VENTILATION
<br /> UNDER-FLOOR ACCESS 864 / 45 = 19 VENTS H Op'S
<br /> HATCH REQUIRED 4 49� �
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<br /> S2 3,� W .
<br /> 8" X 16" UNQER-FLOOR THE TOTAL AREA OF VENTILATION OPENINGS SHALL BE �
<br /> VENT W1TH A MIN. FREE PERMITTED TO BE REDUCED TO 1/15Q0 OF THE �
<br /> o tJNDER-FLOOR AREA WHERE THE GROUND SURFACE IS
<br /> AREA OF 45 SQ.IN. COVERED WITH AN APPROVED CLASS I VAPOR RETARDER
<br /> MATERIAL AND THE OPENINGS ARE PLACED TO PROVIDE " �
<br /> GROSS VENTILATiON OF THE SPACE. THE INSTALLATION OF `�^ rn
<br /> � OPERABLE LOUVERS SHALL NOT BE PROHIBITED. ''�� �
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<br /> 928 / 1500 = .6 SQ.
<br /> FT. (89 SQ IN) OF NET �
<br /> FREE VENTILATION NATIVE GROWTH . /�O
<br /> PROTECTION AREA '� � ,
<br /> 89 / 45 = 2 VENTS rn �
<br /> REQUIRED NGPA/E e P ROJ ECT DATA � < �
<br /> NATIVE GROWTH 2,683 SQ.FT. w� '�
<br /> . PROTEGTION pREA
<br /> o QWNER: ROBERT LEE - (206) 226-1510 � � � �
<br /> NGPA/E � �
<br /> ATT I C V E N T f LAT I O N �g3 SQ,�. ADDRESS: 1918A AND 19186 98TH PLACE SW � rn Qp �
<br /> GABLE EVERETT, WASHINGTON 98204 � �
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<br /> VENT h 31 4" 6'-0" 31�-4" PARCEL NO.: 41082000004801 & 01082000000802 � � C�
<br /> 31' 4„ nr � � � �
<br /> _ N 25'09'11" W - 74;6 ' NATIVE GROWTH PROTECTION LINE ZONING: R-3 {L) Qp '� �
<br /> �8•94' 55.70' SCOPE OF CONSTRUCTION OF TWO NEW SFR WITH Q � � '
<br /> p � 3�� , WORK: CAR GARAGE ATTACHED. Q = � �
<br /> ROOF ATTIC AREA = 1600 SQ.FT. {23Q,400 SQ.IN.) o � '-p' 0 Z �
<br /> OCCUPANCY: R-3 U ^ = ��
<br /> , VENT 10'-0" NA G � Y� �
<br /> MIN. VENTIlAT10N REQUIRED SHALL BE 1 f 150 OF THE AREA (1� -- -�' CONSTRUCTION V--B 0
<br /> OF THE VENTED SPACE. THE EXCEPTION TO DECREASE THE DS � �_���•�� � DS - - - - - -
<br /> O� �
<br /> ' TYPE:
<br /> ❑ � MINIMUM VENTILATION AREA T� 1/3Q0 IS NOT POSSIBLE DS � C=100.96 ps O � r"
<br /> Z BECAUSE EAVE VENTS ARE NOT ALLOWED BECAUSE �F THE , I I � Z � rn
<br /> r SETBACKS: FRONT: 2Q' �
<br /> N � STRUCTURES PROXIMITY TO THE PROPERTY LINE. ^� I SIOE: 5' �
<br /> ( REAR: 20' � QO RI rn
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<br /> � MIN VENTfLATION AREA = 230,40Q / 150 = 1536 SQ.IN. V� I �
<br /> � Q. ROOF SLOPE ROOF SLOP I ( AREA: GARAGE: 486SF O O � �
<br /> � � � 8:12 8;12 ROOF SLOPE ROOF SLOPE
<br /> 3 I ( 8:�2 g:�2 FIRST FLOOR: 1017SF .�.1
<br /> � , _ o� p w I W TOTAI D IV(NG AREA: 12620 F N
<br /> RIDGE VENT 51 X 15.5 SQ. IN. PER LIIdEAL FQOT MIN. 794 SQ.iN. �ry � �Q '_Q" '-0" � ( � �
<br /> � GABLE VENT - 29.84 X 89.52 = 211 SQ. IN OF FREE AREA X (2) = 422 SQ.IN, �� h � � I DECKS: FRONT PORCH: 93SF O
<br /> ❑ ❑ ROOF VENT - 40 SQ. IN OF FREE AREA EA X 8 = 320 SQ.IN. � � N N D=100.81� � D=100.81' � o � REAR DECK: 90SF Q�
<br /> ,o � � � � B=1t30.81 g W � �OT SIZE: 10,063SF - FROM METRON SURVEY O
<br /> z \ z 8=100.81 r•, O
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<br /> DUAL GLAz D > > tu',,, LOT NA 2,980SF FOR �OTH BUILDINGS Q
<br /> TEMPERD �.._; DUAL GLAZED � � COVERAGE: = 29% LO�T' COVERAGE �
<br /> I SKYLIGHT z � S TEMPERD Z
<br /> GABLE s, � ER I SKYLIGHT � SER MAX. BUILDING 35'-0"
<br /> ECT. HEIGHT:
<br /> YENT \�'��,� � � FACE OF ER I FACE OF �
<br /> � I EXTERIOR SIDING EXTERIOR SIDING LEGAL LOT 8, BLOOMFIELD PARK, ACCORDING TO THE PLAT
<br /> �'"-q� N BELOW - TYP.� BELOW - TYP.� w DESCRIPTION: THEREOF RECORDED IN VOLUME 22 OF Pf.A7S,
<br /> ' I PAGE(S) 1 Q, RECORDS OF SNOHOMISH COUNTY, STATE
<br /> ^�� � � I ECT. OF WASHINGTON.
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<br /> WH�LE HOUSE VENTILATION SYSTEM c� p A=100.67'_ � S , ER (LEGAL DESCRIPTION FROM POLICY OF TITLE y �� `•°
<br /> �� - - ps � ! _ _ A_100.67 S INSURANCE, STEWART TITLE GUARANTY COMPANY, r -+
<br /> N POLICY NUMBER 6348294-3, DATED FEBRUARY 8, � �'
<br /> PER IRC TABLE 1507.3.3 1 THE CONTINUOUS WHOLE-HOUSE 2046) A � y � � �'' y �
<br /> MECHANICA� YENTILATION tSYSTEM AfR FLOW RATE FOR A (4) ( R�p' 0" '� �� � ;� � � �
<br /> BEDR40M, 2,620 SF HOUSE IS 75 CFM. ���� �,��,�� 1' " 1'-4'� � � _
<br /> (LEGAL DESCRIPTION FROM POLICY OF TITLE �' _ �\ _ �
<br /> ' � � INSURANCE, TICOR TITLE COMPANY, POLICY NUMBER � � �
<br /> 1THE WHOLE-HOUSE VENTIIATION SYSTEM 1S DESfGNED TO ��ER � ¢�� �+� wOR � i� ��' 0-9993-3$61066, DATED JANUARY 26, 20a6) z � �� v, � � � m
<br /> RUN 50� OF 7HE TIME IN A FOUR HOUR TIME PERIOD THE �� ��L� � � SF, 5�� M E T E R O ` � - � ^
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<br /> AIR FLOW WILL BE iNCREASED TO 150 CFM. THE FAN IS � � � � o
<br /> �i , » � � "+ � z ��
<br /> � \ ��'F F'.p �� � \ 0„ 6 --8 �
<br /> OPERATED BY A 24HR TIMER. P �I��� �� ��2 �2� \�'q� ,, � � �p'� R�p � HEIGHT A = 100.67�
<br /> CATED IN THE UTILIN ROOM $r �,,� ^?``� ,, \ CA�CULATION: g � 100.81' {�
<br /> THE WHQLE-HOUSE FAN IS LO ��� �� � {�� � �j � `s''�, �,4 � Q` ��2� \ � �g . 45 C = 100.96' �
<br /> ON THE SECOND FLOOR OF EACH UNIT - REFER TO SHEET � \1 �"� � �2
<br /> D = 100.81' -�,
<br /> �•1 � \ 403.25 / 4 = 100.81
<br /> Sones: 15Q a�? 0.1" SP = less than 0.3 �� � � �? �� ELEVATIpN
<br /> WHOLE-HOUSE VENTILATION CONTROLS AND OPERATION: �O• \ p � �� ��Q•aQ'.� MAXIMUM BUILDIN� HEIGHT 15 35'-0" = 135.81'
<br /> �p'�� h � ��'` ACTUAL BUILDING HEIGHT = 132.66'
<br /> 1. Location of controls. Co�trols for ali ventilation systems shail be readily accessible by the occupant. � �•
<br /> , IMP�RVIOUS AR'EA: EXI�TING: �
<br /> 2. Instructions. Operating instructions for whole-house ventilation systems shal{ be provided to the occupant by the installer af the system. � \` HOUSE ROOF LINE + DECKS 1,967 � N� �i" '
<br /> . 3. Local exhaust systems. Local exhaust systems sholl be controlied by manual switches, dehumidistots, timers, or other approved means. � � DRIV�WAY + SIDE�lVALK 571
<br /> , TOTAL 2,538 N �� ��
<br /> 4. Cantinuous whole-hause ventilation systems. Continuous whole-house ventilation systems sha11 operate continuously. Exhaust fans,
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<br /> forced-air system fans, or supply fans shafl be equipped with "f�n on" as override controls. Controls shall be capabfe of operating the PF�OP�S�D ADD � <<-* �;. `��
<br /> venti(ation system without energizing other energy-consuming appliances. A tabel shall be affixed to the controls that reads
<br /> "Whole House HOUSE ROOF LWE + DECKS 1,967 6' _ �' �� �
<br /> Ventilation (see operating instructions)." DRIVEWAY + SIDEWALK 311 m- ��
<br /> l'OTAL 2,278 � D �' �``'
<br /> 5. Intermittent whole-house ventilation systems. Intermittent whole-house ventilation systems shall compiy with the fo{towing: �� !
<br /> PRC?P�SED TOTAL 4,$16 � ��
<br /> 5.1. They shall be capable of operating intermittently and continuously.
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<br /> 5.2. They shall have controls cQpable of operating the exhoust fans, forced-air system fans, or suppfy fans without energizing other "'
<br /> energy-consuming appliances. SITE AND ROOF PLAN o
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<br /> 5.3. The ventilatio� rate shall be adjusted according to the exception in Sectio� 403.8.5.1. SCALE : 1" = 10'
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<br /> �.4. The system shall be designed so that it can aperate automatically based on the type of control timer installed.
<br /> 5.5. The intermittent mechanical ventifation system sha!! operate at least one haur out of every four. PLAN NQRTH � �'
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<br /> 5.6. The system shall have a mflnual control and automatic control� such as a 24-hour clock timer. m m �
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<br /> 5.7. At the time of final inspection, the automatic contral shall be set to operate the whole-house fan according to the schedule used to I"
<br /> calculate the whole-house fan sizing. —�
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<br /> 5.8. A label shall be affixed to the control that reads "Whofe House Ventilation (see operating instructions)." �
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