2009-04-29_PERMIT FILE - C1982056 (9)

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?, ' � STAGE STORAGE CURVE STAGE STORAGE CURVE Pond 2 � Pond 1 P on d 1 6856 P on d 6874 ELEV. AREA ACC. OP OF DAM (6855.50) ELEV. AREA ACC. OP OF DAM (6874.00) (g) (ac) STORAGE ( @) (ac) STORAGE B872 EMERGEN Y SPILLWAY (6872.00) (ao-ft) 6854 EMER ENCY SP LWAY (6654.00) (ao-ft) RINCI AL SPILLW Y (8871.50) 8862.00 0.000 0.000 � 6846.50 0.013 0.000 6863.00 0.088 0.029 � 8852 6847.00 0.025 0.029 � 6864.00 0.106 0.126 O B P, � � � � � 6870 6848.00 0 -051 0.047 0 6865.00 0.126 0.242 V 6868 6866.00 0.147 0.378 � 6850 6849.00 0.080 0.111 I � 6850.00 0.106 0.204 D 6867.00 0.170 0.536 w 1 - � 8851.00 0.133 0.323 / 8 m 6866 6886.00 0.194 0.718 6852.00 0.159 0.469 6869.00 0.220 0.924 6848 6853.00 0.185 0.641 / B / C 8864 6870.00 0.247 1.158 6854.00 0.212 0.839 6871.00 0.276 1.419 66 , 1 8 CLEAN UT LEVE (6846.46 6855.00 0.241 1.086 / LEAN O LEVEL 6 6855.50 0.256 1.190 6882 6872.00 0.307 1.711 0.00 0.40 0.80 1.20 ' - 0.00 1.00 2.00 6873.00 0.354 2.041 ACCUMULATIVE STORAGE ( ao-ft) ACCUMULATIVE STORAGE (ac-ft) 6874.00 0.449 2.441 6870 _____ 6864. 6864 \ o y� F' / 6876 6876 Top of Dam 6860 Top of Dam 6660 Original Gm Elevation 8855.50 ft 6872 Original Ground Surface ^� � Elevation 6874.00 ft u ^d Surface � On ' 6872 6856 \ � 6856 8 -_ 6868 - 1 6866 6852 o � �, � �\ 6852 - - H Sediment Storage 6864 Elevation 6862.32 ft 6864 6848 ti I 6848 6860 Bottom of Pond Ke Trench "' 6860 6844 Bottom of Pond Elevation 6846.50 ft e Tren 6844 - - - -� -�_ ElElevation n 6862.008 � G 0 +00 0 +50 1+00 1 +50 2 +00 0 +00 0 +50 1 +00 1 +50 2+00 2 +50 H PON 1 LONGITUDINAL PROFILE A-A' Note: POND 2 LONGITUDINAL PROFILE E-E' Note: � - t. Actual depth, length, and width of key trench to be determined by geo[echnlcal contractor. 6 -- Nor roscA� 2. Principal spillway not shown for clarity. Norroscue 1. Actual depth, length, and width of key trench to be determined by geotechniral contractor. 6876 6876 F. O 6864 6864 6 6 - 6872 j Original Ground Sudace 6872 6860 6860 g. Original al Grouts Surface _ 6$68 6868 _ 6856 6856 / 6864 Sediment S[Storage Bottom of Pond 6864 6$52 ElevaBOn 6862.32 ft Elevation 6862.00 ft' 6852 6860 6860 6848 softam of Fond 6848 0 +00 0 +50 1 +00 1 +50 2 +00 Elevation 6&i6.50ft � 50' 100" 50 POND 2 CROSS SECTION F -F' 6844 8844 \ � \ POND 1 CROSS SECTION B -B' NorroscAm 0 +00 0 +50 1+00 1 +50 i j xor r°acae Top of Dam G• ) C Top of Dam C. G Elevation 6855.50 ft 10' a' - Elevation 6874.00 ft a Top of Filter Elevation , 10' 31 reeboard 1 3 6871.50 ft n ° , Filter Diaphragm 31 reeboard 1 3 Depth • " Depth - 12 ft -'- Top of Dam \ \\ 18" Riser dL I Elevation 6874.00 ft 18" Barrel • ` Grass -Lined Spillway Grass -Lined Spillway Crest Elevation 6854.00 it Spillway Elevation 6871.50 ft I . • ; Crest Elevafion 6872.00 ft N : f 8 • a:.° _ STORM EVENT I �: Filter DiaphDiaphragm � VERTICAL CROSS SECTION STORM EVENT 2 ft _� I -I' ° 5 a " 25 -Near, 24 -Hour Event FILTER DIAPHRAGM 2.0 ft 25 -Year, 24 -Hour Event POND 2 CROSS SECTION G -G' Q=0.7 cfs I d POND 1 CROSS SECTION GC' p =g.g cis POND of Pond NOT TO SCALE EMERGENCY SPILLWAY CREST Depth--0.2' EMERGENCY SPILLWAY CREST Depth =0.2' Elevation 6862.00 ft 18" Barrel s = 2.25 %I I , = . Freeboard Freeboard = 1.8' NOT roscAEE Freeboard 1.3' Key Trench ,� • : >• ^, •''� •t :.: NOT TO SCALE • j I ~ J Filter rain g I I' 18' 4 ft x 4 ft x 4 ft Concrete Footing I Grass-lined Channel Crest Elevation 6854.00 ft 2.0%_ Grass -Lined Channel Top of Footing Elevation 6862.50 ft Riprap Outlet Protection I C rest Elevation 6872.00 ft 71 ? _ / 18" Barrel 2.av° -' � Notes: 2 1. Concrete Block shall include #4 rebar spaced 12 inches apart, both directions in 12 inch vertical layers with a minimum of 2 inches from the rebar to the nearest point on the block �}ky y�jl� �t Surface. .a °• s r oo H H' 1.5 ft 2. Filter diaphragm and filter drain shall consist of sand meeting the fine aggregate < � a Ming D D . requirements (ASTM C -33) nr VERTICAL CROSS SECTION J -J' POND 1 CROSS SECTION aa' FILTER DRAIN � POND 2 LONGITUDINAL PROFILE H -H' EMBANKMENT &PRINCIPAL SPILLWAY 3 ft - POND 1 LONGITUDINAL PROFILE 0-9 EMERGENCY SPILLWAY NOT TO SCALE EMERGENCY SPILLWAY NOT TO SCPLE NOT TO SCALE NOT TO SCPLE PROJECT NUMBER: DRAWN BY: REVISIONS: A347 WADE =tea �;� pQ EXHIBIT 3 4 REV1 04187/2 � � "809 � M IN 8p '.�` , I hereby certify that the structure REVS DE9GNEDBT: � _C' .��. & 2 ueo Ora designs on this exhibit are correct POND 1 POND REVa WADE ,4 26 to the best of my knowledge and A Water March 2 r 2009 REVS belief. Water &Earth Technologies, Inc. Resources and Environmental Consulting DESIGN DETAIL SHEET REV6 CHECKER BY: SPOTTS