1. 20210412_Memo of Understanding84 Geotech report within memo) 53
    2. 20210412_Memo of Understanding84 Geotech report within memo) 57
    3. 20210412_Memo of Understanding84 Geotech report within memo) 58
    alt
     
    N= 5
    N= 15
    N= 15
    N= 2
    N= WOH
    N= WOH
    N= 2
    N= 1
    N= 21
    N= 16
    N= 20
    12
    22
    23
    25
    30
    32
    30
    30
    25
    25
    23
    NP
    26
    NP
    NP
    POORLY GRADED SAND
    , brown, moist, loose.
    Same as above, with silt, medium.
    Same as above.
    POORLY GRADED SAND
    , brown, moist, very loose.
    SILTY CLAY WITH SAND
    , brown, moist, very soft. (CL-ML)
    Same as above.
    SANDY SILT
    , brown, moist, very soft. (ML)
    SILTY SAND
    , brown, moist, very loose. (SM)
    Same as above, grey, medium.
    Same as above.
    Same as above.
    Boring was terminated at a depth of 40 feet.
    8
    2
    72
    66
    13
    NP
    20
    NP
    NP
    NP
    6
    NP
    NP
    SS
    S-1
    SS
    S-2
    SS
    S-3
    SS
    S-4
    SS
    S-5
    SS
    S-6
    SS
    S-7
    SS
    S-8
    SS
    S-9
    SS
    S-10
    SS
    S-11
    SAMPLE NUMBER
    PI
    PLASTICITY INDEX
    MOISTURE CONTENT (%)
    LL
    LIQUID LIMIT
    FIELD DATA
    CLIENT:
    PROJECT:
    LOCATION:
    NUMBER:
    SHEET 1 of 1
    DRILLING METHOD(S):
    GROUNDWATER INFORMATION:
    DATE(S) DRILLED: 2/23/2021
    SURFACE ELEVATION: N/A
    REMARKS:
    N: BLOWS/FT
    P: TONS/SQ FT
    T: TONS/SQ FT
    Qc: TONS/SQ FT
    ATTERBERG
    LIMITS
    Hollow Stem Auger
    Groundwater (GW) was encountered at a depth of 3.5 feet during drilling.
    Wet and Caved at 3.5 feet upon completion.
    Drilling operations were performed by RETL at GPS Coordinates
    N° 26.06867 W° 97.16278
    Location: Behind Bulkhead, Approximately 4 feet above water.
    Rock Engineering & Testing Lab. Inc
    6817 Leopard Street
    Corpus Christi, Texas 78409
    Telephone: 361-883-4555
    Fax: 361-883-4711
    5
    10
    15
    20
    25
    30
    35
    40
    Mott MacDonald, LLC
    Children's Beach Shoreline Protection
    South Padre Island, Texas
    G121096
    SAMPLES
    LABORATORY DATA
    COMPRESSIVE
    STRENGTH
    (TONS/SQ FT)
    MINUS NO. 200 SIEVE (%)
    DRY DENSITY
    POUNDS/CU.FT
    DEPTH (FT)
    SOIL SYMBOL
    PLASTIC LIMIT
    PL
    LOG OF BORING B-1
    DESCRIPTION OF STRATUM
    N - STANDARD PENETRATION TEST RESISTANCE
    Qc - STATIC CONE PENETROMETER TEST INDEX
    P - POCKET PENETROMETER RESISTANCE
    Tv - TORVANE SHEAR STRENGTH TEST
    LOG_OF_BORING G121096.GPJ ROCK_ETL.GDT 3/11/21
     
    0
    5
    10
    15
    20
    25
    30
    35
    40
    45
    50
    55
    60
    65
    70
    75
    80
    85
    90
    95
    100
    100
    10
    1
    0.1
    0.01
    0.001
    Cu
    PI
    Cc
    GRAIN SIZE DISTRIBUTION
    GRAIN SIZE IN MILLIMETERS
    COBBLES
    GRAVEL
    SAND
    SILT OR CLAY
    4
    LL
    PL
    2.26
    1.59
    3.34
    2.02
    0.0
    0.0
    1.1
    7.3
    5.9
    0.92
    0.91
    0.56
    0.87
    8.0
    71.3
    3.1
    1.1
    1.4
    50
    coarse
    fine
    coarse
    medium
    6
    1620
    1.5
    4
    92.0
    28.7
    95.8
    91.6
    92.7
    200
    PERCENT FINER BY WEIGHT
    D100
    D60
    D30
    0.142
    0.022
    0.134
    0.163
    0.156
    D10
    0.098
    0.112
    0.119
    0.118
    Depth
    Classification
    40
    1
    3/4
    1/23/8 3
    %Gravel %Sand
    %Silt
    %Clay
    100
    140
    3
    2
    60
    fine
    U.S. SIEVE OPENING IN INCHES
    U.S. SIEVE NUMBERS
    HYDROMETER
    B-1
    B-1
    GS-1
    GS-2
    GS-3
    6
    81014
    30
    2
    0.425
    9.5
    9.5
    9.5
    0.221
    0.056
    0.177
    0.398
    0.238
    POORLY GRADED SAND(SP)
    POORLY GRADED SAND(SP)
    POORLY GRADED SAND(SP)
    Depth
    3.5'
    11.0'
    0.0'
    0.0'
    0.0'
    3.5'
    11.0'
    0.0'
    0.0'
    0.0'
    B-1
    B-1
    GS-1
    GS-2
    GS-3
    Specimen ID
    Specimen ID
    Project: Children's Beach Shoreline Protection
    Location: South Padre Island, Texas
    Number: G121096
    Rock Engineering & Testing Lab. Inc
    6817 Leopard Street
    Corpus Christi, Texas 78409
    Telephone: 361-883-4555
    Fax: 361-883-4711
    US_GRAIN_SIZE G121096.GPJ US_LAB.GDT 3/15/21
    alt
     
    NO. BLOWS/FT.
    STANDARD PEN.
    TEST
    DESCRIPTIVE
    TERM
    NO. BLOWS/FT.
    STANDARD PEN.
    TEST
    DESCRIPTIVE
    TERM
    COARSE GRAINED SOILS
    TERMS DESCRIBING CONSISTENCY OF SOIL
    KEY TO SOIL CLASSIFICATION AND SYMBOLS
    NAME
    Very Loose
    Loose
    Medium
    Dense
    Very Dense
    SYMBOLS FOR TEST DATA
    0 - 4
    4 - 10
    10 - 30
    30 - 50
    over 50
    Very Soft
    Soft
    Firm
    Stiff
    Very Stiff
    Hard
    < 2
    2 - 4
    4 - 8
    8 - 15
    15 - 30
    over 30
    FINE
    GRAINED
    SOILS
    SAND
    AND
    SANDY
    SOILS
    SILTS
    AND
    CLAYS
    LL > 50
    MAJOR DIVISIONS
    < 0.25
    0.25 - 0.50
    0.50 - 1.00
    1.00 - 2.00
    2.00 - 4.00
    over 4.00
    UNCONFINED