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12983288
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Last modified
7/29/2025 8:00:14 PM
Creation date
7/29/2025 2:30:00 PM
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Permits
Permit Address
4430 CONSER WY NE
Permit City
Salem
Permit Number
555-12-01145
Parcel Number
072W07DC01200
Permit Type
Structural
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WILLIAM I. PETERSON <br /> ENGINEERING CONSULTANTS, INC. <br /> 4300 CHERRY AVENUE <br /> 311/1) <br /> KEIZER, OR 97303 <br /> RAINFALL BETWEEN BUILDINGS AND WALKWAYS <br /> TITLE:J.CONSER&SONS•45th Avenue Apts 0.0456 Acres Job P 1165 <br /> Date: 7/24/2013 By: SWC <br /> Postdevelopment Flows <br /> 50 Yr.Storm Event Developed Conditions <br /> Rainfall intensities based on the ODOT Zone 7, IDE Curve 50-year post development <br /> 0.3 LANDSCAPED AREAS-FLAT<2% SWS Table 3 <br /> "A" 0.0456 Acres Total Area <br /> C*A 0.01 <br /> RAINFALL INTENSITY BASED ON ZONE 7, 50-YEAR IDE CURVE <br /> Time C*A Rainfall Inflow Inflow <br /> Intensity Rate Volume <br /> (min) (in/hr) (cfs) (cu.ft.) <br /> 5.00 0.01 2.75 0.04 11.29 <br /> Therefore in a 50-year storm of 5-minute duration 11.29 cu. ft.(or 84.44 gallons)of rainfall will flow into <br /> the stormwater collection system.This quantity,on average,equates to 0.64 quarts per linear foot of <br /> building perimeter <br />
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