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co NOTES //\\ \\ \ \\ \ V N
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c� 1. ACCORDING TO THE PROJECT GEOTECHNICAL REPORT PREPARED BY CMT ENGINEERING LABORATORIES d
w DATED SEPTEMBER 12, 2019, GROUNDWATER WAS NOT ENCOUNTERED DURING GEOTECHNICAL /\\//\ \ \//\//�
O EXPLORATION. CONTRACTOR SHALL NOTIFY THE ENGINEER IMMEDIATELY IF GROUNDWATER IS Z J
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2. REFER TO ACHD BMP 20 FOR ADDITIONAL INFORMATION REGARDING SEEPAGE BED CONSTRUCTION. �jj\/\ \�Op w w N �` �r /\// O J w
3. ACHD STAFF MUST VERIFY FACILITY INFILTRATION RATE AFTER FACILITY IS FULLY EXCAVATED. \\%j\//� BOTTOM ELEV //// /\\/ N 0
4. IF ROCK IS ENCOUNTERED DURING FACILITY EXCAVATION, CONTRACTOR TO HAVE TEST PERFORMED BY TEMP SWALE #3=2698.00 / \\ \\/� > z Z
SOILS ENGINEER AFTER SEEPAGE TRENCH IS FULLY EXCAVATED. IF THE PERCOLATION TEST IS LESS /\ \\ \ \ \ \ \ \ \ \ \ \ \/\\�\\
THAN SPECIFIED BY THE SOILS REPORT AND ENGINEER, CONTRACTOR MAY NEED TO BLAST OR BORE TO W/ // ////////////r/j// //j/////j///// /' O 0 Q
z CREATE CONDUIT FOR DRAINAGE TO OCCUR OR REDESIGN THE SYSTEM TO ACHIEVE THE REQUIRED \.\/\.\\.\\.\\.\\.\\.\/\.\\.\\.\\.\\ ' LL m
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Ci SEEPAGE BED NO. SEEPAGE BED DIMS TOP OF ROCK ELEV. BOTTOM OF ROCK ELEV. BOTTOM OF SAND ELEV. PERF. PIPE INVERT PERF. PIPE DIAMETER 100—YEAR VOLUME DESIGN INFILTRATION RATE a Q
w TEMP BASIN #3 1.50 16'x48' 4'x36' a
Q N ACHD SEEPAGE BED #1 14'Wx101'Lx8'D 2691.00' 2683.00' 2681.50' 2687.25' (1) 18" 5,556 CF 8 IN/HR Z
ACHD SEEPAGE BED #2 15'Wx43'Lx6'D 2710.00' 2704.00' 2702.50' 2707.50' (1) 18" 1,987 CF 8 IN/HR TEMPORARY SWALE CROSS SECTION 3 0
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N CSW PROJECT NO. 24005
DRAWING DATE 03/02/2026
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