SPDSS_Task34-3_Phase 3_StreambedConductanceTesting

• Title: SPDSS Task 34.3 - Streambed Conductance Testing - Phase 3
• Description: The objective of this Task 34 is to collect data needed to quantify the groundwater flux across the streambed in the South Platte River and significant tributaries.
• Decision Support - Doc Type: Task Memorandum
• Date: 6/28/2007
• DSS Category: Groundwater
• DSS: South Platte
• Basin: South Platte
• Contract/PO #: C153953
• Grant Type: Non-Reimbursable
• Bill Number: SB01-157, HB02-1152, SB03-110, HB04-1221, SB05-084, HB06-1313, SB07-122
• Prepared By: CDM

HYDROMETER ANALYSIS SIEVE ANALYSIS
TIME READINGS U.S. STANDARD SIEVES CLEAR SQUARE OPENINGS
100 435MIN. 60M IN. 19M IN. 4MIN. 1MIN. #2 00 #100 #50 #30 #16 #8 #4 3/8" 3/4" 1~rz" 3" 5" 8"

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. 001 .002 .005 .009 .019 .037 .074 .149 .297 .59 1.19 2.38 4.76 9.52 19.1 38.1 76.2 127 290
DIAMETER OF PARTICLE IN MILLIMETERS
SAND GRAVEL COBBLES
CLAY(piasoc) TO SILT(n on-piasoc)
FINE MEDIUM COARSE FINE COARSE
GRAVEL: 3%
LIQUID LIMIT:
SAMPLE OF:
SAND (SW)
SAND: 97%
SILT AND CLAY: 0%
PLASTIC LIMIT:
FROM: SC-01-D-0.67-1.33
HYDROMETER ANALYSIS SIEVE ANALYSIS
TIME READINGS U.S. STANDARD SIEVES CLEAR SQUARE OPENINGS

100 435MIN. 60MIN. 19MIN. 4MIN. 1MIN. #200 #100 #50 #30 #16 #8 #4 318" 3/4" 1'~~" 3" 5" 8"

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. 001 .002 .005 .009 .019 .037 .074 .149 .297 .59 1.19 2.38 4.76 9.52 19.1 38.1 76.2 127 200
DIAMETER OF PARTICLE IN MILLIMETERS

CLAY(
iastic)TO SILT(non-
lastic) SAND GRAVEL COBBLES
p
p FINE MEDIUM COARSE FINE COARSE
GRAVEL: 19% SAND: 80% SILT AND CLAY: 1%
LIQUID LIMIT: PLASTIC LIMIT:
SAMPLE OF: SAND (SW-SP), gravelly FROM: SC-01-D-1.5-2.17
205 430 HEPWORTH-PAWLAK SPDSS FIG. 1
GEOTECHNICAL, INC. GRADATION ANALYSIS
SPDSS Phase 3 Task 34.3 TM -Final
6/9/2006 C-5