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<br />397 LF - B" Pvc.
<br />@ 0.20/0
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<br />EXISTING ~ROUND AND
<br />F/NiSHE:D GRADE
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<br />@ 0,40/0
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<br />Z8B LF -8" Pve.
<br />@ 0.40/0
<br />
<br />305 LF - 8" pve.
<br />@'O,40/0
<br />
<br />303 LF ~ e," Pve.
<br />@ 057%
<br />
<br />LEGEND FOR EXPLORATIONS
<br />
<br />SOUTH UNDERDRAIN PROFILE
<br />
<br />H. 1"= 100'
<br />V. 1"= 10'
<br />
<br />All PVC Is To Be Perforated ASTM D3034, SDR35
<br />
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<br />~ 0.41 %,
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<br />
<br />H. 1"= 100'
<br />V. 1"= 10'
<br />All PVC Is To Be Perforated ASTM D3034, SDR35
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<br />FILL, CLAYEY TO SILTY SAND WITH SCATTERED GRAVELS, MOIST, BROWN TO DARK BROWN.
<br />
<br />NOTES FOR EXPLORATIONS
<br />
<br />CLAY (CL), SANDY, STIFF TO VERY STIFF, MOIST, BROWN TO OLIVE,
<br />
<br />SAND (SC), CLAYEY, MEDIUM DENSE, MOIST TO VERY MOIST, BROWN TO OLIVE.
<br />
<br />1. EXPLORATORY BORINGS WERE DRILLED ON JANUARY 14 THROUGH 17, 19B6 WITH A
<br />7-INCH DIAMETER CONTINUOUS FLIGHT HOLLOW STEM POWER AUGER.
<br />
<br />2. LOCATIONS OF BORINGS WERE MEASURED APPROXIMATELY BY PACING FROM FEATURES
<br />SHOWN ON THE SITE PLAN PROVIDED.
<br />
<br />3. ELEVATIONS OF BORINGS WERE MEASURED BY INSTRUMENT LEVEL PERFORMED BY KNAPP
<br />ENGINEERING AND SURVEYING SERVICES. ELEVATIONS OF HOLES B-1 THROUGH B-3
<br />WERE NOT OBTAINED.
<br />
<br />4. THE BORING LOCATIONS AND ELEVATIONS SHOULD BE CONSIDERED ACCURATE ONLY TO
<br />THE DEGREE IMPLIED BY THE METHOD USED.
<br />
<br />5. THE LINES BETWEEN MATERIALS SHOWN ON THE BORING LOGS REPRESENT THE
<br />APPROXIMATE BOUNDARIES BETWEEN MATERIAL TYPES AND THE TRANSITIONS MAY BE
<br />GRADUAL.
<br />
<br />6. WATER LEVEL READINGS SHOWN ON THE LOGS WERE MADE AT THE TIME AND UNDER
<br />CONDITIONS INDICATED. FLUCTUATIONS IN THE WATER LEVEL MAY OCCUR WITH TIME.
<br />
<br />SAND (SM), SILTY, MEDIUM DENSE TO DENSE, MOIST TO WET BELOW THE GROUNDWATER
<br />LEVEL, BROWN TO GRAY.
<br />
<br />SAND (SM), SILTY, GRAVELLY, MEDIUM DENSE TO DENSE, MOIST TO WET BELOW THE
<br />GROUNDWATER LEVEL, BROWN.
<br />
<br />DRIVE SAMPLE, 2-INCH 1.0. CALIFORNIA LINER SAMPLE.
<br />
<br />DRIVE SAMPLE, STANDARD PENETRATION TEST, 1-3/B-INCH 1.0. SPLIT SPOON SAMPLE.
<br />
<br />DRIVE SAMPLE BLOW COUNT, INDICATES THAT 46 BLOWS OF A 140-POUND HAMMER FALLING
<br />30 INCHES WERE REQUIRED TO DRIVE THE CALIFORNIA OR SPT SAMPLER 12 INCHES.
<br />
<br />DISTURBED BULK SAMPLE.
<br />
<br />INDICATES PVC PIPE INSTALLED IN BORING TO DEPTH SHOWN.
<br />
<br />~ DEPTH AT WHICH BORING CAVED.
<br />
<br />7. LABORATORY TEST RESULTS:
<br />
<br />WC = WATER CONTENT (t);
<br />DO = DRY DENSITY (PCF);
<br />-200 = PERCENTAGE PASSING NO, 200 SIEVE;
<br />LL = LIQUID LIMIT (t);
<br />PI = PLASTICITY INDEX (t);
<br />NP = NON-PLASTIC.
<br />
<br />~ DEPTH TO WATER LEVEL AND NUMBER OF DAYS AFTER DRILLING MEASUREMENT WAS MADE.
<br />
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<br />FINISHED G1<ADE.
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<br />Scale: 3"= 1'-0"
<br />
<br />HOLE B-2
<br />
<br />HOLE B-3
<br />
<br />
<br />"
<br />43'
<br />/\,0
<br />
<br />394 LF ~8" Pvc.
<br />@ 0,4",0/0
<br />
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<br />
<br />~<2e.
<br />~
<br />
<br />3/6" (/) HOLES AT 6"
<br />CENTERS IN 2 ROWS,
<br />DRILL NO HOLES WITHIN
<br />b" OF" BE:LL OR SPIGOT
<br />ENDS,
<br />
<br />UNDERDRAIN PIPE PERFORATION DETAIL
<br />
<br />BORROW AREA EXPLORATORY HOLES
<br />
<br />HOLE B-1
<br />
<br />~
<br />
<br />21/12
<br />WC=22.b
<br />-200=2.0
<br />NP
<br />12/12
<br />we. = 2.6.8
<br />-200=61
<br />NP
<br />15/12 - ~ .;,.
<br />
<br />
<br />
<br />29/12
<br />we. = 6.3
<br />-200 = 14
<br />NP
<br />
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<br /><( to.J
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<br />EX ISI ING qROUND AND ~ <i C
<br />FINISHED GK'ADc. "r lniit
<br />
<br />---- -
<br />. --
<br />
<br />400 LI=" - B" PVC
<br />@ 0.2.0;0
<br />
<br />,J7<OO
<br />0'V
<br />/\
<br />
<br />Tl?ENCH DETAIL UNDER
<br />InPROVED LEVEE.
<br />
<br />-rOP OF" LEVEE
<br />
<br />\....LEVEE F'LL,,\
<br />
<br />
<br />PLASTIC FILTER
<br />CLOTH
<br />
<br />FILL TO 5' ABOVE
<br />TREI-JCH MTTon
<br />BEFORE EXCAVATING
<br />PIPE TRENCH
<br />
<br />TRE:"-lCH BOXES OR
<br />SI-lEETINC. SHALL NOT
<br />EXTEND BELOW THIS LINE
<br />
<br />''':,0.0'
<br />
<br />PE.RFORATED PVC o'2J.~'~
<br />A5TnD3034,5DR35 '
<br />SEE: PERFORATiON I
<br />DEjAIL, THIS SI-lEET- .
<br />
<br />3565
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<br />". \.
<br />",'V ..............
<br />/\'/ ~
<br />
<br />r--... _
<br />
<br />IRENCH DETAIL UNDER
<br />EXISTING ljROUND
<br />
<br />SILl'\( SAND COMPACTEDTO 95'70,
<br />I' nlNlnun DEPTH
<br />
<br />SHORE OR BRACE TRENCH AS
<br />NECESSAR'I l'"OR SAFETY AND
<br />To CLEAR SURI="ACE Oe,::>TRUCTIONS
<br />
<br />UNDEK'DRAlN BEDDING nATE.RIAL
<br />COnPACTED TO 95% STANDARD
<br />PROCTOR OR 75'7'0 RE.LAIiVE DE.N~rT\f
<br />
<br />s'-o"nAXlflun RE.DUCE. TO 2'-9"
<br />WHE.RE TRE.NC~ I~ SAALLOW
<br />CSTA. 10+50 TO Sl'A, 12+50)
<br />
<br />2'_011
<br />
<br />UNDERDRAIN TRENCH DETAIL
<br />
<br />DESIGNED
<br />
<br />DRAWN
<br />
<br />MSD
<br />BMG
<br />
<br />
<br />CHECKED
<br />
<br />,
<br />,
<br />/. '::'
<br />.,....." ......."!;'
<br />~./.$ "'......'~
<br />..!P.!~.\...
<br />
<br />MSD
<br />
<br />SCALE
<br />
<br />AS SHOWN
<br />
<br />DATE
<br />JUL Y,1986
<br />
<br />MULLER ENGINEERING COMPANY, INC.
<br />
<br />CONSULTING ENGINEERS
<br />7000 WEST FOURTEENTH AVENUE
<br />LAKEWOOD, COWRADO 80215
<br />(303) 232-9340
<br />
<br />Scale: 3/4"= 1'-0"
<br />
<br />RIO GRANDE LEVEE SYSTEM - PHASE I
<br />FINAL DESIGN
<br />UNDERDRAIN PROFILES AND
<br />'DETAILS AND EXPLORATORY
<br />HOLES LEGEND' AND NOTES
<br />
<br />PROJECT NO
<br />
<br />CITY OF ALAMOSA
<br />
<br />8601
<br />
<br />DRAWING NO
<br />
<br />ALAMOSA COUNTY
<br />
<br />SHEET~OF~
<br />
|