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- — - — - BOREHOLE LEGEND:
<br /> 36"LAYER VEGETATED TYPE H BURIED RIPRAP TOP CUTOFF WALL EL.5040.8 C 6"LAYER TOPSOIL OR OVERBURDEN 5050
<br /> 5060 - -- --- --- 6'TO JURISDICTIONAL WETRLA HZMW-8 OVERBURDEN:CLAY,MEDIUM TO VERY STIFF,LOCALLY SOFT
<br /> EN ""-- HZTH-B AND HARD,LOCALLY GRADES TO CLAYEY SILT AND FINE TO
<br /> 15' EXISTING GROUND C-2O3 EL-5043.15
<br /> NDS TOP CUTOFF 36"LAYER TYPE H BURIED RIPRAP EL.=5042.35 ® MEDIUM SILTY AND/OR CLAYEY SAND,OCCASIONAL COARSE
<br /> -- I WALL EL.5039.0 10 SAND AND "GRAVEL,DRY TO MOIST,LIGHT BROWN TO DARK
<br /> DO NOT DISTURB � 12"CONC 15' - RECLAMATION SLOPE 3:1(H:V) 24 BROWN,LOCALLY VERY DARK BROWN TO BLACK WITH MANY
<br /> SOUTH PLATTE RIVER - ------------ -_____ 504035 ORGANICS,LOW TO MODERATE PLASTICITY,SOME ROOTS(CL,
<br /> 5040 -_. .SILT FENCE { '- 5040 0 23 CL-SC,ML-CL,CL-OL,SC,ML,OL)
<br /> _____ __ _ _______________ .
<br /> SCARIFY TOP V COMPACT TO
<br /> 02/05/04 02H 6/04 p 11 SAND:VERY LOOSE TO DENSE,POORLY GRADED TO WELL
<br /> EL.5028 NDARD PROCTOR 9 GRADED SAND,SOME COARSE SAND AND "GRAVEL,DRY TO
<br /> 5033 SOUTH PLATTE \ WET,WHITE TO PINK TO YELLOW,LIGHT BROWN TO DARK BROWN
<br /> 5020 THALWEG CONCRETE CUTOFF W G 10"LAYER 5020 5030 35 iq (SP,SP-SW,SW)
<br /> SAND AND
<br /> 10"TYPE II BEDDING - TYPE II BEDDING p
<br /> VEL W GRAVEL:MEDIUM DENSE TO VERY DENSE,LOCALLY LOOSE,
<br /> -
<br /> EXISTING GROUND - o. 32 SANDY,POORLY GRADED TO WELL GRADED SAND,GRAVEL TO 3",
<br /> - - - - - - - - _ APPROXIMATE HIGHWALL z 30
<br /> — _ Z d'. SLIGHTLY MOIST TO WET,LIGHT BROWN TO BROWN TO BLACK,
<br /> SLURRY WALL -- — — 0 5020 c GRAY TO PINK TO YELLOW(GP,GP-GW,GW)
<br /> O.
<br /> 5000 5000 68 20
<br /> SAND:LOOSE TO VERY DENSE,GRAVELLY,POORLY GRADED TO
<br /> 11
<br /> n 000nv r .OF BEDROCK7 w .. WELL GRADED SAND,GRAVEL TO 1 i",MOIST TO WET,LIGHT
<br /> CONCRETE CUTOFF WALL 60/3' 20 BROWN TO BROWN TO GRAY,PINK TO WHITE TO YELLOW(SP,
<br /> .. SPSW,SW)
<br /> -300 -250 -200 -150 -100 -50 0 50 100
<br /> 5010 50/5' 5015" CLAYSTONE:HARD,SANDY,VERY FINE TO FINE SAND,LOCALLY
<br /> INTERBEDDED CLAYEY SANDSTONE LENSES,DRY TO SLIGHTLY
<br /> MOIST,LIGHT GRAY TO DARK GRAY TO GREEN,LIGHT BROWN TO
<br /> 6+25 SPILLWAY SECTION 50/5.5" , YELLOW,ORANGE AND RED STAINING NEAR WEATHERED ZONE,
<br /> G201 STATION 6+25 LOCAL LAYERING AND PARTICLES OF BLACK ORGANICS,SOME
<br /> 5000 LOCAL FRACTURING.
<br /> SANDSTONE:VERY DENSE,CLAYEY,FINE TO MEDIUM SAND,
<br /> SOME INTERBEDDED SANY CLAYSTONE LENSES,SLIGHTLY MOIST
<br /> -- -- TO WET,LIGHT GRAY TO GREEN TO BROWN,ORANGE AND
<br /> 36"LAYER VEGETATED TYPE H BURIED RIPRAP TOP CUTOFF WALL EL.5040.8 6"LAYER TOPSOIL YELLOW STAINING NEAR WEATHERED ZONE,SOME LOCAL
<br /> _ SEE DETAIL E,SHEET 4 FRACTURING,LOCAL BLACK ORGANIC SEAMS
<br /> 5060 _. - 8"TOPSOIL ORDVERBURCiEN `— _-- _-_- -.�_. OR OVERBURDEN - 5060
<br /> SOUTH PLATTE 12"CONCRETE
<br /> EXISTING GROUND TOP CUTOFF
<br /> RIVER JURISDICTIONAL WETLANDS : 15' - 36"LAYER TYPE H
<br /> -- -- WALL EL.5039.0__
<br /> DO NOT DISTURB..._ -. -__ 15 -_.._ .--------.. _-..BURIED RIPRAP
<br /> -------------
<br /> -'- '-- —--------- ------------------
<br /> RECLAMATION
<br /> 5040- -_ .... ---- ----- - __. SLOPE 3:1(H:V) -' 5040
<br /> ---------------------------------------
<br /> SCARIFY
<br /> SILT FENCE
<br /> TOP 1'COMPACT TO
<br /> 5033 SOUTH PLATTE EL.5028 95%STANDARD PROCTOR
<br /> SAND AND SLURRY WALL
<br /> U 5020 THALWEG CONCRETE GRAVEL
<br /> CUTOFF WALL ---� 10"LAYER 5020
<br /> & SEE DETAIL D,SHEET 4 10"TYPE II BEDDING _ _ _ _ TYPE II BEDDING —
<br /> V .. .. . _ .. _ APPROXIMATE. ,T
<br /> HIGHWALL APPROX.TOP / NOTES:
<br /> 5 5000 - OF BEDROCK 5000
<br /> 3 - 1. EXPLORATORY BORINGS HZTH-1 THRU HZTH-17 WERE DRILLED FEBRUARY 6 THRU 10,
<br /> CONCRETE CUTOFF WALL 2004 WITH&INCH O.D.HOLLOW STEM AUGER,POWERED BY A TRUCK-MOUNTED
<br /> CME-75 DRILL RIG.
<br /> -300 -250 -200 -150 -100 -50 0 50 100
<br /> 2. MONITORING WELLS HZMW-1,-2,-7,-8.-9,-11 B,AND-138 WERE DRILLED JANUARY 26
<br /> THRU 30,2DO4 WITH 84NCH O.D.HOLLOW STEM AUGERS,POWERED BY A
<br /> 8
<br /> TRUCK-MOUNTED CME-75 DRILL RIG.
<br /> +QQ SPILLWAY SECTION 3. ALL BORING AND MONITORING WELL LOCATIONS AND ELEVATIONS WERE SURVEYED.
<br /> 3
<br /> G201 STATION 7+00
<br /> 4. LINES BETWEEN MATERIALS REPRESENT APPROXIMATE BOUNDARIES BETWEEN TYPES
<br /> AND TRANSITIONS MAY BE GRADUAL.
<br /> c
<br /> �yw 5. GROUNDWATER LEVELS WERE MEASURED ON THE DATES INDICATED.WATER LEVELS
<br /> -------_._---- __.._____—__—__.__. INWELLSWERE MEASURED SHORTLY AFTER THE TIME OF INSTALLATION.
<br /> °U GROUNDWATER LEVELS WILL FLUCTUATE SEASONALLY AND DUE TO SITE MINING
<br /> TOP CUTOFF WALL EL.5040.8
<br /> � 36"LAYER VEGETATED TYPE H BURIED RIPRAP OPERATIONS.
<br /> 5060- --- ---{ _ 6"LAYER TOPSOIL OR OVERBURDEN
<br /> R 6"TOPSOIL OR OVERBURDEN EXISTING GROUND - 5060 6. LABORATORY TESTING: -200=%PASSING THE#200 SIEVE
<br /> 15' 12"CONCRETE TOP CUTOFF
<br /> _JURISDICTIONAL WETLANDS. _ WALL EL 5039 0 36"LAYER TYPE H BURIED RIPRAP LL=LIQUID LIMIT,
<br /> DO NOT DISTURB - _ _ _ _
<br /> � _ _________ ___ .. _.... 15 GNP PLGRAINULAR NONPLASTIC
<br /> 2 —------ --- REC
<br /> LAMATION SLOPE 3'1(HV)
<br /> 5040 - - - -
<br /> \\ SILT FENCE _ SCARIFY TOP 1'COMPACT TO \
<br /> `5033 SOUTH PLATTE EL 5026 95%STANDARD PROCTOR --- ` 9 STANDARD SPLIT SPOON SAMPLE.NUMBER INDICATES 9 BLOWS OF A 140
<br /> SAND AND LB HAMMER FREE FALLING 30-INCHES WERE REQUIRED TO DRIVE THE
<br /> 5020 THALWEG ,. _ ,__ CONCRETE ... ...GRAVEL ----- 10"LAYER SAMPLER 1-FOOT.NR INDICATES NO SAMPLE RECOVERED
<br /> 3� -� CUTOFF WALL ---- '- - _ TYPE 11 BEDDING --- 5020
<br /> 9 APPROXIMATE HIGHWALL
<br /> 10"TYPE II BEDDING --WALL
<br /> NS NO SAMPLE TAKEN DUE TO SANDS FLOWING INSIDE THE AUGER
<br /> SLURRY WALL — — — — — — — —
<br /> n BORING HZTH-6 )BULK INDICATES LOCATION OF A BULK DISTURBED SAMPLE
<br /> 5000 -- - -- - --- ---- - - -- _ APPROX.TOP OF BEDROCK 03/31/04 )
<br /> _ - - - 5000 WATER LEVEL AND DATE MEASURED
<br /> i
<br /> = CONCRETE CUTOFF WALL
<br /> -- - - -- --- -- WELL SCREEN INTERVAL
<br /> 300 -250 -200 -150 -100 -50 0 50 100
<br /> U K=2.19x105 PACKER TEST PERMEABILITY,CENTIMETERS PER SECOND
<br /> +25 SPILLWAY SECTION
<br /> G201 STATION B-00
<br /> g NOTES: CROSS SECTION LEGEND SEOFILENO AGGREGATE INDUSTRIES
<br /> 1. BASED ON METRO WASTEWATER,EXISTING TYPE M REVETMENT EXISTS FROM APPROXIMATELY 0' 20' 40' REVISIONS HAZELTINE GRAVEL RESOURCE
<br /> STATION 4+00 TO STATION 8+15 +00 SECTION STATION NO. DESCRIPTION DATE BY SPILLWAY CROSS SECTIONS
<br /> 2. THALWEG ELEVATION IS FROM 2005 CAMP,DRESSER,AND MCKEE,UDFCD FLOOD HAZARD LOWER NUMBER INDICATES 1 RIPRAP TYPE OSroB GL
<br /> DELINEATION,SOUTH PLATTE RIVER,ADAMS COUNTY,COLORADO SCALE IN FEET G201 2 RIPRAP EXTENSION 05108 GL TETRA TECH
<br /> E SHEET WHERE SECTION IS SHOWN 3 RAISE sPlLLwnv 1 Foo7 12/1s GL s A n�'' ..11O1Ort'm""
<br /> HORIZONTAL AND VERTICAL
<br /> DESIGNED BY: EAB APPROVED BY: RJT JOB NO. DWG:
<br /> s — —
<br /> B DRAWN BY:FW PATE; 01-15-08
<br /> 3 P 93919.018 SHSST:
<br /> CHECKED BY: I SCALE: AS NOTED C-202
<br />
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