geotechnical engineering limited trial pit log st01 · notes st01 site. 119.40 119.10 118.35 117.15...

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114.50 114.30 Dry 1.90 2.10 MADE GROUND: Tarmacadam (0.10m) over Brown sand and angular to rounded fine to coarse gravel and cobbles of varying lithologies including brick, concrete, flint and rare metal fragments. Structureless CHALK composed of silty subangular GRAVEL and COBBLES. Clasts are moderately weak, probably low and medium density, white with occasional orange-brown staining. Matrix is off-white and white. (Grade Dc). Trial pit completed at 2.10m. Geotechnical Engineering Ltd, Tel. 01452 527743 16891.GPJ TRIALJH.GPJ GEOTECH.GLB 23/06/05 510355.1 16891 220866.6 TRIAL PIT LOG (m) Start Date water record sample/test no/type Trial pit excavated by JCB 3CX mechanical excavator. Groundwater not encountered. Trial pit sides remained stable and vertical. Trial pit dimensions 1.90x0.60x2.10m. On completion, the trial pit was backfilled with materials arising. Soakaway test carried out in trial pit. 14 April 2005 14 April 2005 CLIENT Geotechnical Engineering Limited Northing depth (m) description Sheet 1 of 1 Scale Ground level 1 : 25 Depth (m) 2.10 result End Date SOUTHSIDE & CITY DEVELOPMENTS LIMITED VAUXHALL MOTORS, LUTON Sketch of Foundation - Not to scale. All dimensions in metres. Easting depth 116.40mOD level (m) legend CONTRACT CHECKED Notes ST01 SITE

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  • 114.50

    114.30Dry

    1.90

    2.10

    MADE GROUND: Tarmacadam (0.10m) over Brown sand and angular to rounded fineto coarse gravel and cobbles of varying lithologies including brick, concrete, flint andrare metal fragments.

    Structureless CHALK composed of silty subangular GRAVEL and COBBLES. Clastsare moderately weak, probably low and medium density, white with occasionalorange-brown staining. Matrix is off-white and white. (Grade Dc).Trial pit completed at 2.10m.

    Geo

    tech

    nica

    l Eng

    inee

    ring

    Ltd,

    Tel

    . 014

    52 5

    2774

    3

    168

    91.G

    PJ T

    RIA

    LJH

    .GPJ

    GEO

    TEC

    H.G

    LB 2

    3/06

    /05

    510355.1

    16891

    220866.6

    TRIAL PIT LOG

    (m)

    Start Date

    waterrecord

    sample/testno/type

    Trial pit excavated by JCB 3CX mechanical excavator.Groundwater not encountered.Trial pit sides remained stable and vertical.Trial pit dimensions 1.90x0.60x2.10m.On completion, the trial pit was backfilled with materials arising.Soakaway test carried out in trial pit.

    14 April 2005

    14 April 2005

    CLIENT

    Geotechnical Engineering Limited

    Northing

    depth (m)description

    Sheet 1 of 1

    Scale

    Ground level

    1 : 25

    Depth (m) 2.10

    result

    End Date

    SOUTHSIDE & CITY DEVELOPMENTS LIMITED

    VAUXHALL MOTORS, LUTON

    Sketch of Foundation - Not to scale. All dimensions in metres.

    Easting

    depth

    116.40mOD

    level(m)

    legend

    CONTRACT CHECKED

    Notes

    ST01SITE

  • 119.40

    119.10

    118.35

    117.15

    Dry

    0.35

    0.65

    1.40

    2.60

    MADE GROUND: Tarmacadam (0.10m) over concrete with 8mm rebar.

    MADE GROUND: Brown sand and angular to rounded fine to coarse gravel andcobbles of varying lithologies including brick, concrete, flint and rare metal fragments.

    Firm brown CLAY with some subangular to subrounded fine to coarse flint gravel.

    Structureless CHALK composed of silty subangular GRAVEL and COBBLES. Clastsare moderately weak, probably low and medium density, white with occasionalorange-brown staining. Matrix is off-white and white. (Grade Dc).

    Trial pit completed at 2.60m.

    Geo

    tech

    nica

    l Eng

    inee

    ring

    Ltd,

    Tel

    . 014

    52 5

    2774

    3

    168

    91.G

    PJ T

    RIA

    LJH

    .GPJ

    GEO

    TEC

    H.G

    LB 2

    3/06

    /05

    510330.4

    16891

    220894.0

    TRIAL PIT LOG

    (m)

    Start Date

    waterrecord

    sample/testno/type

    Trial pit excavated by JCB 3CX mechanical excavator.Groundwater not encountered.Trial pit sides remained stable and vertical.Trial pit dimensions 2.20x0.60x2.40m.On completion, the trial pit was backfilled with materials arising.Soakaway test carried out in trial pit.

    14 April 2005

    14 April 2005

    CLIENT

    Geotechnical Engineering Limited

    Northing

    depth (m)description

    Sheet 1 of 1

    Scale

    Ground level

    1 : 25

    Depth (m) 2.60

    result

    End Date

    SOUTHSIDE & CITY DEVELOPMENTS LIMITED

    VAUXHALL MOTORS, LUTON

    Sketch of Foundation - Not to scale. All dimensions in metres.

    Easting

    depth

    119.75mOD

    level(m)

    legend

    CONTRACT CHECKED

    Notes

    ST02SITE

  • 128.80

    128.30

    127.00Dry

    0.30

    0.80

    2.10

    MADE GROUND: Tarmacadam (0.10m) over off-white clay with much gravel of chalkand occasional bricks and brick fragments

    Firm brown CLAY with some subangular to subrounded fine to coarse flint gravel.(Possibly reworked?)

    Structureless CHALK composed of silty subangular GRAVEL and COBBLES. Clastsare moderately weak, probably low and medium density, white with occasionalorange-brown staining. Matrix is off-white and white. (Grade Dc).

    Trial pit completed at 2.10m.

    Geo

    tech

    nica

    l Eng

    inee

    ring

    Ltd,

    Tel

    . 014

    52 5

    2774

    3

    168

    91.G

    PJ T

    RIA

    LJH

    .GPJ

    GEO

    TEC

    H.G

    LB 2

    3/06

    /05

    510548.7

    16891

    221034.7

    TRIAL PIT LOG

    (m)

    Start Date

    waterrecord

    sample/testno/type

    Trial pit excavated by JCB 3CX mechanical excavator.Groundwater not encountered.Trial pit sides remained stable and vertical.Trial pit dimensions 1.20x0.60x2.10m.On completion, the trial pit was backfilled with materials arising.Soakaway test carried out in trial pit.

    13 April 2005

    13 April 2005

    CLIENT

    Geotechnical Engineering Limited

    Northing

    depth (m)description

    Sheet 1 of 1

    Scale

    Ground level

    1 : 25

    Depth (m) 2.10

    result

    End Date

    SOUTHSIDE & CITY DEVELOPMENTS LIMITED

    VAUXHALL MOTORS, LUTON

    Sketch of Foundation - Not to scale. All dimensions in metres.

    Easting

    depth

    129.10mOD

    level(m)

    legend

    CONTRACT CHECKED

    Notes

    ST03SITE

  • 152.25

    151.20

    151.00

    150.50

    150.10Dry

    0.25

    1.30

    1.50

    2.00

    2.40

    MADE GROUND: Tarmacadam (0.10m) over red-brown sandy angular gravel (type 1aggregate).

    MADE GROUND: Brown sand and angular to rounded fine to coarse gravel andcobbles of varying lithologies including brick, concrete, flint and rare metal fragments.

    MADE GROUND: Black sand and gravel size fragments of ash.

    Firm brown CLAY with some subangular to subrounded fine to coarse flint gravel.

    Structureless CHALK composed of silty subangular GRAVEL and COBBLES. Clastsare moderately weak, probably low and medium density, white with occasionalorange-brown staining. Matrix is off-white and white. (Grade Dc).

    Trial pit completed at 2.40m.

    Geo

    tech

    nica

    l Eng

    inee

    ring

    Ltd,

    Tel

    . 014

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    3

    168

    91.G

    PJ T

    RIA

    LJH

    .GPJ

    GEO

    TEC

    H.G

    LB 2

    3/06

    /05

    510533.5

    16891

    221242.5

    TRIAL PIT LOG

    (m)

    Start Date

    waterrecord

    sample/testno/type

    Trial pit excavated by JCB 3CX mechanical excavator.Groundwater not encountered.Trial pit sides remained stable and vertical.Trial pit dimensions 1.80x0.60x2.40m.On completion, the trial pit was backfilled with materials arising.Soakaway test carried out in trial pit.

    13 April 2005

    13 April 2005

    CLIENT

    Geotechnical Engineering Limited

    Northing

    depth (m)description

    Sheet 1 of 1

    Scale

    Ground level

    1 : 25

    Depth (m) 2.40

    result

    End Date

    SOUTHSIDE & CITY DEVELOPMENTS LIMITED

    VAUXHALL MOTORS, LUTON

    Sketch of Foundation - Not to scale. All dimensions in metres.

    Easting

    depth

    152.50mOD

    level(m)

    legend

    CONTRACT CHECKED

    Notes

    ST04SITE

  • 0.300.30

    0.700.70

    1.501.50

    2.502.50

    119.20

    118.55118.45

    117.00Dry

    0.60

    1.251.35

    2.80

    12

    34

    56

    78

    D*B

    D*B

    D*B

    D*B

    MADE GROUND: Tarmacadam (0.10m) over brown slightly silty sand with some tomuch fine to coarse gravel of brick occasional sandstone and rare wood and plasticand occasional cobbles of brick.

    MADE GROUND: Angular to subangular fine to coarse gravel and occasional cobblesof moderately weak off-white chalk with some firm off-white clayey matrix.

    MADE GROUND: Concrete slab.Structureless CHALK composed of silty subangular GRAVEL and COBBLES. Clastsare moderately weak, probably low and medium density, white with occasionalorange-brown staining. Matrix is off-white and white. (Grade Dc).

    Trial pit completed at 2.80m.

    Geo

    tech

    nica

    l Eng

    inee

    ring

    Ltd,

    Tel

    . 014

    52 5

    2774

    3

    168

    91.G

    PJ T

    RIA

    LJH

    .GPJ

    GEO

    TEC

    H.G

    LB 2

    3/06

    /05

    510252.3

    16891

    220991.9

    TRIAL PIT LOG

    (m)

    Start Date

    waterrecord

    sample/testno/type

    Trial pit excavated by JCB 3CX mechanical excavator with 0.60m bucketand breaker.Groundwater not encountered.Trial pit sides remained stable and vertical.On completion, the trial pit was backfilled with materials arising.

    20 January 2005

    20 January 2005

    CLIENT

    Geotechnical Engineering Limited

    Northing

    depth (m)description

    Sheet 1 of 1

    Scale

    Ground level

    1 : 25

    Depth (m) 2.80

    result

    End Date

    SOUTHSIDE & CITY DEVELOPMENTS LIMITED

    VAUXHALL MOTORS, LUTON

    Sketch of Foundation - Not to scale. All dimensions in metres.

    Easting

    depth

    119.80mOD

    level(m)

    legend

    CONTRACT CHECKED

    Notes

    TP01SITE

  • 0.40

    1.001.00

    2.002.00

    2.60

    120.20

    119.95

    119.60

    118.00Dry

    0.40

    0.65

    1.00

    2.60

    1

    32

    54

    6

    D*

    D*B

    D*B

    D

    MADE GROUND: Tarmacadam (0.05m) over light grey concrete with 6mm rebar.0.10 - 1.00m: Concrete wall on north-west side of pit.

    MADE GROUND: Red-brown subangular to subrounded fine to coarse gravel andcobbles of various lithologies, predominantly brick and concrete with much sand.Occasional fragments of ash, clinker, metal, wire and timber.MADE GROUND: Light grey concrete with 8mm rebar.

    Structureless CHALK composed of silty subangular GRAVEL and COBBLES. Clastsare very weak and weak, probably low and medium density, white with occasionalorange-brown staining. Matrix is off-white and white. (Grade Dc).

    Trial pit completed at 2.60m.

    Geo

    tech

    nica

    l Eng

    inee

    ring

    Ltd,

    Tel

    . 014

    52 5

    2774

    3

    168

    91.G

    PJ T

    RIA

    LJH

    .GPJ

    GEO

    TEC

    H.G

    LB 2

    3/06

    /05

    510331.4

    16891

    220983.9

    TRIAL PIT LOG

    (m)

    Start Date

    waterrecord

    sample/testno/type

    Trial pit excavated by JCB 3CX mechanical excavator with 0.60m bucketand breaker.Groundwater not encountered.Trial pit sides remained stable and vertical.On completion, the trial pit was backfilled with materials arising.

    20 January 2005

    20 January 2005

    CLIENT

    Geotechnical Engineering Limited

    Northing

    depth (m)description

    Sheet 1 of 1

    Scale

    Ground level

    1 : 25

    Depth (m) 2.60

    result

    End Date

    SOUTHSIDE & CITY DEVELOPMENTS LIMITED

    VAUXHALL MOTORS, LUTON

    Sketch of Foundation - Not to scale. All dimensions in metres.

    Easting

    depth

    120.60mOD

    level(m)

    legend

    CONTRACT CHECKED

    Notes

    TP02SITE

  • Dry

    0.35

    0.60

    2.60

    1

    23

    45

    D*

    D*B

    D*B

    MADE GROUND: Tarmacadam (0.05m) over reinforced concrete (10mm steel).

    MADE GROUND: Cobbles of brick with some fine to coarse brick gravel and sandmatrix.0.40

    1.001.00

    2.002.00

    119.40

    119.15

    117.15

    Structureless CHALK composed of silty subangular GRAVEL and COBBLES. Clastsare moderately weak, probably low and medium density, white with occasionalorange-brown staining. Matrix is off-white and white. (Grade Dc).

    Trial pit completed at 2.60m.

    Geo

    tech

    nica

    l Eng

    inee

    ring

    Ltd,

    Tel

    . 014

    52 5

    2774

    3

    168

    91.G

    PJ T

    RIA

    LJH

    .GPJ

    GEO

    TEC

    H.G

    LB 2

    3/06

    /05

    510328.5

    16891

    220906.1

    TRIAL PIT LOG

    (m)

    Start Date

    waterrecord

    sample/testno/type

    Trial pit excavated by JCB 3CX mechanical excavator with 0.60m bucketand breaker.Groundwater not encountered.Trial pit sides remained stable and vertical.On completion, the trial pit was backfilled with materials arising.

    20 January 2005

    20 January 2005

    CLIENT

    Geotechnical Engineering Limited

    Northing

    depth (m)description

    Sheet 1 of 1

    Scale

    Ground level

    1 : 25

    Depth (m) 2.60

    result

    End Date

    SOUTHSIDE & CITY DEVELOPMENTS LIMITED

    VAUXHALL MOTORS, LUTON

    Sketch of Foundation - Not to scale. All dimensions in metres.

    Easting

    depth

    119.75mOD

    level(m)

    legend

    CONTRACT CHECKED

    Notes

    TP03SITE

  • 0.20

    0.700.70

    1.701.70

    3.003.00

    116.15

    113.75

    112.90Dry

    0.25

    2.65

    3.50

    1

    23

    45

    67

    D*

    D*B

    D*B

    D*B

    MADE GROUND: Tarmacadam (0.10m) over red-brown sandy angular gravel (type 1aggregate).

    MADE GROUND: Brown slightly silty sandy angular to rounded fine to coarse graveland cobbles of varying lithologies including brick, concrete, flint and rare metalfragments.

    Structureless CHALK composed of silty subangular GRAVEL and COBBLES. Clastsare moderately weak, probably low and medium density, white with occasionalorange-brown staining. Matrix is off-white and white. (Grade Dc).

    Trial pit completed at 3.50m.

    Geo

    tech

    nica

    l Eng

    inee

    ring

    Ltd,

    Tel

    . 014

    52 5

    2774

    3

    168

    91.G

    PJ T

    RIA

    LJH

    .GPJ

    GEO

    TEC

    H.G

    LB 2

    3/06

    /05

    510368.2

    16891

    220864.2

    TRIAL PIT LOG

    (m)

    Start Date

    waterrecord

    sample/testno/type

    Trial pit excavated by JCB 3CX mechanical excavator with 0.60m bucketand breaker.Groundwater not encountered.Trial pit sides remained stable and vertical.On completion, the trial pit was backfilled with materials arising.

    21 January 2005

    21 January 2005

    CLIENT

    Geotechnical Engineering Limited

    Northing

    depth (m)description

    Sheet 1 of 1

    Scale

    Ground level

    1 : 25

    Depth (m) 3.50

    result

    End Date

    SOUTHSIDE & CITY DEVELOPMENTS LIMITED

    VAUXHALL MOTORS, LUTON

    Sketch of Foundation - Not to scale. All dimensions in metres.

    Easting

    depth

    116.40mOD

    level(m)

    legend

    CONTRACT CHECKED

    Notes

    TP04SITE

  • 0.20

    0.45

    0.75

    1.00

    1.501.50

    1.80

    2.00

    2.50

    121.90

    121.70121.60

    120.70

    120.40

    119.20Dry

    0.30

    0.500.60

    1.50

    1.80

    3.00

    1

    2

    3

    4

    65

    7

    8

    9

    D*

    D*

    D*

    B

    D*B

    D*

    B

    D*

    MADE GROUND: Tarmacadam (0.10m) over red-brown angular to subangular fine tocoarse siltstone gravel with some sand. (Type 1 aggregate)

    MADE GROUND: Red-brown subangular to subrounded fine to coarse gravel andcobbles of brick and concrete with much sand. Frequent fragments of ash and clinker.

    MADE GROUND: Light grey concrete slab.MADE GROUND: Soft to firm light brown slightly sandy clay with some subangular tosubrounded fine to coarse gravel of chalk. Frequent fragments of brick and ash.Occasional cobble sized pockets of ash. Slight hydrocarbon odour.

    Firm friable brown slightly sandy CLAY with some subrounded fine to coarse flint andchalk gravel.

    Structureless CHALK composed of silty subangular GRAVEL and COBBLES. Clastsare very weak and weak, probably low and medium density, white with occasionalorange-brown staining. Matrix is off-white and white. (Grade Dc).

    Trial pit completed at 3.00m.

    Geo

    tech

    nica

    l Eng

    inee

    ring

    Ltd,

    Tel

    . 014

    52 5

    2774

    3

    168

    91.G

    PJ T

    RIA

    LJH

    .GPJ

    GEO

    TEC

    H.G

    LB 2

    3/06

    /05

    510410.3

    16891

    220913.7

    TRIAL PIT LOG

    (m)

    Start Date

    waterrecord

    sample/testno/type

    Trial pit excavated by JCB 3CX mechanical excavator with 0.60m bucketand breaker.Groundwater not encountered.Trial pit sides remained stable and vertical.On completion, the trial pit was backfilled with materials arising.

    20 January 2005

    20 January 2005

    CLIENT

    Geotechnical Engineering Limited

    Northing

    depth (m)description

    Sheet 1 of 1

    Scale

    Ground level

    1 : 25

    Depth (m) 3.00

    result

    End Date

    SOUTHSIDE & CITY DEVELOPMENTS LIMITED

    VAUXHALL MOTORS, LUTON

    Sketch of Foundation - Not to scale. All dimensions in metres.

    Easting

    depth

    122.20mOD

    level(m)

    legend

    CONTRACT CHECKED

    Notes

    TP05SITE

  • 0.25

    0.700.70

    1.501.50

    2.002.00

    131.30

    130.80

    130.00

    129.20Dry

    0.30

    0.80

    1.60

    2.40

    1

    23

    45

    67

    D*

    D*B

    D*B

    D*B

    MADE GROUND: Tarmacadam (0.20m) over red-brown sandy fine to coarse gravel(type1 aggregate).

    MADE GROUND: Light brown sandy angular to subangular fine to coarse gravel andcobbles of mainly concrete and occasional brick with occasional steel wire (10mm and25mm).

    MADE GROUND: Angular to subangular fine to coarse gravel and occasional cobblesof moderately weak off-white chalk with some firm off-white clayey matrix.

    MADE GROUND: Red-brown sand with much angular to subangular fine to coarsegravel and occasional cobbles of mainly brick with occasional chalk and sandstone.

    Trial pit completed at 2.40m.

    Geo

    tech

    nica

    l Eng

    inee

    ring

    Ltd,

    Tel

    . 014

    52 5

    2774

    3

    168

    91.G

    PJ T

    RIA

    LJH

    .GPJ

    GEO

    TEC

    H.G

    LB 2

    3/06

    /05

    510475.4

    16891

    221007.0

    TRIAL PIT LOG

    (m)

    Start Date

    waterrecord

    sample/testno/type

    Trial pit excavated by JCB 3CX mechanical excavator with 0.60m bucketand breaker.Groundwater not encountered.Trial pit sides remained stable and vertical.On completion, the trial pit was backfilled with materials arising.

    21 January 2005

    21 January 2005

    CLIENT

    Geotechnical Engineering Limited

    Northing

    depth (m)description

    Sheet 1 of 1

    Scale

    Ground level

    1 : 25

    Depth (m) 2.40

    result

    End Date

    SOUTHSIDE & CITY DEVELOPMENTS LIMITED

    VAUXHALL MOTORS, LUTON

    Sketch of Foundation - Not to scale. All dimensions in metres.

    Easting

    depth

    131.60mOD

    level(m)

    legend

    CONTRACT CHECKED

    Notes

    TP06SITE

  • 0.15

    0.30

    0.500.50

    1.00

    2.00

    3.00

    132.50

    132.30

    129.70Dry

    0.20

    0.40

    3.00

    1

    2

    34

    5

    6

    7

    D*

    D*

    D*B

    B

    B

    B

    MADE GROUND: Tarmacadam (0.10m) over yellow-brown sand with somesubrounded fine to medium gravel.

    MADE GROUND: Dark brown silty sand with some angular fine to coarse gravel ofmainly brick with occasional clinker.

    Structureless CHALK composed of silty subangular GRAVEL and COBBLES. Clastsare moderately weak, probably low and medium density, white with occasionalorange-brown staining. Matrix is off-white and white. (Grade Dc).

    2.50 - 3.00m: Possibly of higher grade with occasional flint gravel and cobbles.

    Trial pit completed at 3.00m.

    Geo

    tech

    nica

    l Eng

    inee

    ring

    Ltd,

    Tel

    . 014

    52 5

    2774

    3

    168

    91.G

    PJ T

    RIA

    LJH

    .GPJ

    GEO

    TEC

    H.G

    LB 2

    3/06

    /05

    510406.4

    16891

    220999.6

    TRIAL PIT LOG

    (m)

    Start Date

    waterrecord

    sample/testno/type

    Trial pit excavated by JCB 3CX mechanical excavator with 0.60m bucketand breaker.Groundwater not encountered.Trial pit sides remained stable and vertical.On completion, the trial pit was backfilled with materials arising.

    21 January 2005

    21 January 2005

    CLIENT

    Geotechnical Engineering Limited

    Northing

    depth (m)description

    Sheet 1 of 1

    Scale

    Ground level

    1 : 25

    Depth (m) 3.00

    result

    End Date

    SOUTHSIDE & CITY DEVELOPMENTS LIMITED

    VAUXHALL MOTORS, LUTON

    Sketch of Foundation - Not to scale. All dimensions in metres.

    Easting

    depth

    132.70mOD

    level(m)

    legend

    CONTRACT CHECKED

    Notes

    TP07SITE

  • 0.15

    0.30

    0.50

    1.00

    2.00

    3.00

    142.20

    142.00

    139.40Dry

    0.20

    0.40

    3.00

    1

    2

    3

    4

    5

    6

    D*

    D*

    D*

    B

    B

    B

    MADE GROUND: Tarmacadam (0.10m) over yellow-brown sand with somesubrounded fine to medium gravel.

    MADE GROUND: Dark brown silty sand with some angular fine to coarse gravel ofmainly brick with occasional clinker.

    Structureless CHALK composed of silty subangular GRAVEL and COBBLES. Clastsare moderately weak, probably low and medium density, white with occasionalorange-brown staining. Matrix is off-white and white. (Grade Dc).

    Trial pit completed at 3.00m.

    Geo

    tech

    nica

    l Eng

    inee

    ring

    Ltd,

    Tel

    . 014

    52 5

    2774

    3

    168

    91.G

    PJ T

    RIA

    LJH

    .GPJ

    GEO

    TEC

    H.G

    LB 2

    3/06

    /05

    510322.7

    16891

    221074.2

    TRIAL PIT LOG

    (m)

    Start Date

    waterrecord

    sample/testno/type

    Trial pit excavated by JCB 3CX mechanical excavator with 0.60m bucketand breaker.Groundwater not encountered.Trial pit sides remained stable and vertical.On completion, the trial pit was backfilled with materials arising.

    21 January 2005

    21 January 2005

    CLIENT

    Geotechnical Engineering Limited

    Northing

    depth (m)description

    Sheet 1 of 1

    Scale

    Ground level

    1 : 25

    Depth (m) 3.00

    result

    End Date

    SOUTHSIDE & CITY DEVELOPMENTS LIMITED

    VAUXHALL MOTORS, LUTON

    Sketch of Foundation - Not to scale. All dimensions in metres.

    Easting

    depth

    142.40mOD

    level(m)

    legend

    CONTRACT CHECKED

    Notes

    TP08SITE

  • 0.250.35

    1.001.00

    2.00

    3.00

    143.10

    142.95

    142.80

    140.40Dry

    0.30

    0.45

    0.60

    3.00

    12

    34

    5

    6

    D*D*

    D*B

    B

    B

    MADE GROUND: Tarmacadam (0.10m) over brown very sandy subrounded fine tocoarse gravel.

    MADE GROUND: Dark brown slightly silty sand with much angular fine to mediumgravel of varying lithologies including brick.MADE GROUND: Laid red brick.

    Structureless CHALK composed of silty subangular GRAVEL and COBBLES. Clastsare moderately weak, probably low and medium density, white with occasionalorange-brown staining. Matrix is off-white and white. (Grade Dc).

    Trial pit completed at 3.00m.

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    H.G

    LB 2

    3/06

    /05

    510373.1

    16891

    221060.8

    TRIAL PIT LOG

    (m)

    Start Date

    waterrecord

    sample/testno/type

    Trial pit excavated by JCB 3CX mechanical excavator with 0.60m bucketand breaker.Groundwater not encountered.Trial pit sides remained stable and vertical.On completion, the trial pit was backfilled with materials arising.

    24 January 2005

    24 January 2005

    CLIENT

    Geotechnical Engineering Limited

    Northing

    depth (m)description

    Sheet 1 of 1

    Scale

    Ground level

    1 : 25

    Depth (m) 3.00

    result

    End Date

    SOUTHSIDE & CITY DEVELOPMENTS LIMITED

    VAUXHALL MOTORS, LUTON

    Sketch of Foundation - Not to scale. All dimensions in metres.

    Easting

    depth

    143.40mOD

    level(m)

    legend

    CONTRACT CHECKED

    Notes

    TP09SITE

  • 0.30

    0.70

    1.00

    1.50

    2.00

    3.00

    137.50

    136.65

    134.85Dry

    0.35

    1.20

    3.00

    1

    2

    3

    4

    5

    6

    D*

    D*

    B

    D*

    B

    B

    MADE GROUND: Tarmacadam (0.10m) over dark brown slightly silty sand with muchsubangular to subrounded fine to coarse gravel of varying lithologies including brick.

    MADE GROUND: Brown angular fine to coarse gravel and occasional cobbles ofmainly brick with occasional chalk with some clayey sand.

    Structureless CHALK composed of silty subangular GRAVEL and COBBLES. Clastsare moderately weak, probably low and medium density, white with occasionalorange-brown staining. Matrix is off-white and white. (Grade Dc).

    Trial pit completed at 3.00m.

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    GEO

    TEC

    H.G

    LB 2

    3/06

    /05

    510465.5

    16891

    221056.2

    TRIAL PIT LOG

    (m)

    Start Date

    waterrecord

    sample/testno/type

    Trial pit excavated by JCB 3CX mechanical excavator with 0.60m bucketand breaker.Groundwater not encountered.Trial pit sides remained stable and vertical.On completion, the trial pit was backfilled with materials arising.

    24 January 2005

    24 January 2005

    CLIENT

    Geotechnical Engineering Limited

    Northing

    depth (m)description

    Sheet 1 of 1

    Scale

    Ground level

    1 : 25

    Depth (m) 3.00

    result

    End Date

    SOUTHSIDE & CITY DEVELOPMENTS LIMITED

    VAUXHALL MOTORS, LUTON

    Sketch of Foundation - Not to scale. All dimensions in metres.

    Easting

    depth

    137.85mOD

    level(m)

    legend

    CONTRACT CHECKED

    Notes

    TP10SITE

  • 0.35

    0.50

    1.00

    1.50

    2.00

    3.00

    147.95

    147.20

    145.40Dry

    0.45

    1.20

    3.00

    1

    2

    3

    4

    5

    6

    D*

    D*

    B

    D*

    B

    B

    MADE GROUND: Tarmacadam (0.10m) over brown very sandy subangular tosubrounded fine to coarse gravel of varying lithologies.

    Structureless CHALK composed of silty subangular GRAVEL, COBBLES andoccasional boulders. Clasts are strong, probably medium density, white withoccasional orange-brown staining. Matrix is off-white mottled light brown. (Grade Dc)(possibly made ground?).

    Structureless CHALK composed of silty subangular GRAVEL and COBBLES. Clastsare moderately weak, probably low and medium density, white with occasionalorange-brown staining. Matrix is off-white and white. (Grade Dc).

    Trial pit completed at 3.00m.

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    GEO

    TEC

    H.G

    LB 2

    3/06

    /05

    510396.9

    16891

    221134.8

    TRIAL PIT LOG

    (m)

    Start Date

    waterrecord

    sample/testno/type

    Trial pit excavated by JCB 3CX mechanical excavator with 0.60m bucketand breaker.Groundwater not encountered.Trial pit sides remained stable and vertical.On completion, the trial pit was backfilled with materials arising.

    24 January 2005

    24 January 2005

    CLIENT

    Geotechnical Engineering Limited

    Northing

    depth (m)description

    Sheet 1 of 1

    Scale

    Ground level

    1 : 25

    Depth (m) 3.00

    result

    End Date

    SOUTHSIDE & CITY DEVELOPMENTS LIMITED

    VAUXHALL MOTORS, LUTON

    Sketch of Foundation - Not to scale. All dimensions in metres.

    Easting

    depth

    148.40mOD

    level(m)

    legend

    CONTRACT CHECKED

    Notes

    TP11SITE

  • Start Date

    waterrecord

    sample/testno/type

    Trial pit excavated by JCB 3CX mechanical excavator with 0.60m bucketand breaker.Groundwater not encountered.Trial pit sides remained stable and vertical.On completion, the trial pit was backfilled with materials arising.

    24 January 2005

    24 January 2005

    CLIENT

    Geotechnical Engineering Limited

    Northing

    depth (m)description

    Sheet 1 of 1

    0.25

    0.500.50

    1.00

    1.50

    152.65

    152.20

    151.40

    151.15Dry

    0.35

    0.80

    1.60

    1.85

    1

    23

    4

    5

    D*

    D*B

    B

    B

    MADE GROUND: Tarmacadam (0.10m) over grey ashy sand with much angular fineto coarse gravel and occasional cobbles of brick and occasional clinker.

    Stiff friable brown slightly sandy CLAY with a little subangular fine to coarse chalk andflint gravel.

    Structureless CHALK composed of silty subangular GRAVEL and COBBLES. Clastsare moderately weak, probably low and medium density, white with occasionalorange-brown staining. Matrix is off-white and white. (Grade Dc).

    Moderately strong and strong medium density off-white CHALK closely bedded withlittle or no infill between bedding fractures. Grade A2/B2

    Trial pit completed at 1.85m.

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    H.G

    LB 2

    3/06

    /05

    510436.0

    16891

    221211.7

    TRIAL PIT LOG

    (m)

    Scale

    Ground level

    1 : 25

    Depth (m) 1.85

    result

    End Date

    SOUTHSIDE & CITY DEVELOPMENTS LIMITED

    VAUXHALL MOTORS, LUTON

    Sketch of Foundation - Not to scale. All dimensions in metres.

    Easting

    depth

    153.00mOD

    level(m)

    legend

    CONTRACT CHECKED

    Notes

    TP12SITE

  • 0.25

    0.50

    1.00

    1.501.50

    2.00

    151.65

    150.85

    150.35

    149.20Dry

    0.30

    1.10

    1.60

    2.75

    1

    2

    3

    45

    6

    D*

    D*

    B

    D*B

    B

    MADE GROUND: Tarmacadam (0.10m) over brown very sandy fine to coarse gravelof mainly chalk and brick with occasional cobbles of brick.

    MADE GROUND: Very stiff off-white clay with some subrounded fine to coarse chalkgravel and occasional brick.

    MADE GROUND: Firm brown and grey-brown clay with a little to some fine to coarsechalk and occasional brick gravel (slight organic odour).

    Structureless CHALK composed of silty subangular GRAVEL and COBBLES. Clastsare moderately weak, probably low and medium density, white with occasionalorange-brown staining. Matrix is off-white and white. (Grade Dc).

    Trial pit completed at 2.75m.

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    TEC

    H.G

    LB 2

    3/06

    /05

    510467.2

    16891

    221198.5

    TRIAL PIT LOG

    (m)

    Start Date

    waterrecord

    sample/testno/type

    Trial pit excavated by JCB 3CX mechanical excavator with 0.60m bucketand breaker.Groundwater not encountered.Trial pit sides remained stable and vertical.On completion, the trial pit was backfilled with materials arising.

    24 January 2005

    24 January 2005

    CLIENT

    Geotechnical Engineering Limited

    Northing

    depth (m)description

    Sheet 1 of 1

    Scale

    Ground level

    1 : 25

    Depth (m) 2.75

    result

    End Date

    SOUTHSIDE & CITY DEVELOPMENTS LIMITED

    VAUXHALL MOTORS, LUTON

    Sketch of Foundation - Not to scale. All dimensions in metres.

    Easting

    depth

    151.95mOD

    level(m)

    legend

    CONTRACT CHECKED

    Notes

    TP13SITE

  • 0.10

    0.25

    0.50

    1.00

    2.252.25

    3.00

    151.25

    151.10

    149.30

    148.30Dry

    0.15

    0.30

    2.10

    3.10

    1

    2

    3

    4

    56

    7

    D*

    D*

    D*

    B

    D*B

    B

    MADE GROUND: Tarmacadam (0.05m) over light brown slightly silty sand with muchsubangular to rounded fine to coarse siliceous gravel.MADE GROUND: Black ashy sand and fine gravel with some coarse gravel andcobbles of brick.MADE GROUND: Firm brown silt and structureless off-white angular to subangularfine to coarse moderately weak chalk gravel with some firm off-white clayey matrix.

    Structureless CHALK composed of silty subangular GRAVEL and COBBLES. Clastsare moderately weak, probably low and medium density, white with occasionalorange-brown staining. Matrix is off-white and white. (Grade Dc).

    Trial pit completed at 3.10m.

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    TEC

    H.G

    LB 2

    3/06

    /05

    510466.2

    16891

    221150.7

    TRIAL PIT LOG

    (m)

    Start Date

    waterrecord

    sample/testno/type

    Trial pit excavated by JCB 3CX mechanical excavator with 0.60m bucketand breaker.Groundwater not encountered.Trial pit sides remained stable and vertical.On completion, the trial pit was backfilled with materials arising.

    24 January 2005

    24 January 2005

    CLIENT

    Geotechnical Engineering Limited

    Northing

    depth (m)description

    Sheet 1 of 1

    Scale

    Ground level

    1 : 25

    Depth (m) 3.10

    result

    End Date

    SOUTHSIDE & CITY DEVELOPMENTS LIMITED

    VAUXHALL MOTORS, LUTON

    Sketch of Foundation - Not to scale. All dimensions in metres.

    Easting

    depth

    151.40mOD

    level(m)

    legend

    CONTRACT CHECKED

    Notes

    TP14SITE

  • 0.25

    0.50

    1.00

    2.002.00

    3.00

    152.40

    151.00

    149.00Dry

    0.40

    1.80

    3.80

    1

    2

    3

    45

    6

    D*

    D*

    B

    D*B

    B

    MADE GROUND: Tarmacadam (0.05m) over light brown sandy subrounded torounded fine to coarse gravel with some brick cobbles.

    MADE GROUND: Off-white silty angular to subangular fine to coarse gravel ofmoderately weak chalk with some firm off-white clayey matrix.

    Stiff indistinctly fissured brown slightly sandy CLAY with some angular to subangularfine to coarse gravel and occasional cobbles of chalk and flint.

    Trial pit completed at 3.80m.

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    TEC

    H.G

    LB 2

    3/06

    /05

    510606.9

    16891

    221289.3

    TRIAL PIT LOG

    (m)

    Start Date

    waterrecord

    sample/testno/type

    Trial pit excavated by JCB 3CX mechanical excavator with 0.60m bucketand breaker.Groundwater not encountered.Trial pit sides remained stable and vertical.On completion, the trial pit was backfilled with materials arising.

    24 January 2005

    24 January 2005

    CLIENT

    Geotechnical Engineering Limited

    Northing

    depth (m)description

    Sheet 1 of 1

    Scale

    Ground level

    1 : 25

    Depth (m) 3.80

    result

    End Date

    SOUTHSIDE & CITY DEVELOPMENTS LIMITED

    VAUXHALL MOTORS, LUTON

    Sketch of Foundation - Not to scale. All dimensions in metres.

    Easting

    depth

    152.80mOD

    level(m)

    legend

    CONTRACT CHECKED

    Notes

    TP15SITE

  • 0.20

    0.70

    1.701.70

    2.002.00

    2.502.50

    150.30150.20

    148.60

    148.05

    147.75Dry

    0.150.25

    1.85

    2.40

    2.70

    1

    2

    34

    56

    78

    D*

    D*

    D*B

    D*B

    D*B

    MADE GROUND: Tarmacadam (0.05m) over light brown slightly silty sand with muchsubangular to rounded fine to coarse siliceous gravel.MADE GROUND: Black ashy sand and fine gravel with some coarse gravel andcobbles of brick.MADE GROUND: Structureless chalk composed of off-white angular to subangularfine to coarse low to medium density moderately weak chalk gravel with some soft firmoff-white clayey matrix with occasional brick fragments.

    MADE GROUND: Stiff mottled off-white and grey-brown clay with some angular tosubrounded fine to coarse chalk and flint gravel. Slight organic odour (possiblynatural?).

    Structureless CHALK composed of silty subangular GRAVEL and COBBLES. Clastsare moderately weak, probably low and medium density, white with occasionalorange-brown staining. Matrix is off-white and white. (Grade Dc).

    Trial pit completed at 2.70m.

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    GEO

    TEC

    H.G

    LB 2

    3/06

    /05

    510507.6

    16891

    221128.5

    TRIAL PIT LOG

    (m)

    Start Date

    waterrecord

    sample/testno/type

    Trial pit excavated by JCB 3CX mechanical excavator with 0.60m bucketand breaker.Groundwater not encountered.Trial pit sides remained stable and vertical.On completion, the trial pit was backfilled with materials arising.

    24 January 2005

    24 January 2005

    CLIENT

    Geotechnical Engineering Limited

    Northing

    depth (m)description

    Sheet 1 of 1

    Scale

    Ground level

    1 : 25

    Depth (m) 2.70

    result

    End Date

    SOUTHSIDE & CITY DEVELOPMENTS LIMITED

    VAUXHALL MOTORS, LUTON

    Sketch of Foundation - Not to scale. All dimensions in metres.

    Easting

    depth

    150.45mOD

    level(m)

    legend

    CONTRACT CHECKED

    Notes

    TP16SITE

  • 0.20

    0.500.50

    0.70

    1.00

    2.00

    3.00

    133.70

    133.40

    130.95Dry

    0.25

    0.55

    3.00

    1

    23

    4

    5

    6

    7

    D*

    D*B

    D*

    B

    B

    B

    MADE GROUND: Tarmacadam (0.10m) over stiff friable grey clay with a little to somesubangular to rounded fine to medium siliceous, brick and chalk gravel.

    Stiff friable brown slightly sandy CLAY with a little subangular fine to coarse chalk andflint gravel.

    Structureless CHALK composed of silty subangular GRAVEL and COBBLES. Clastsare moderately weak, probably low and medium density, white with occasionalorange-brown staining. Matrix is off-white and white. (Grade Dc).

    2.00 - 3.00m: With frequent flint gravel and cobbles.

    Trial pit completed at 3.00m.

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    H.G

    LB 2

    3/06

    /05

    510512.1

    16891

    221079.0

    TRIAL PIT LOG

    (m)

    Start Date

    waterrecord

    sample/testno/type

    Trial pit excavated by JCB 3CX mechanical excavator with 0.60m bucketand breaker.Groundwater not encountered.Trial pit sides remained stable and vertical.On completion, the trial pit was backfilled with materials arising.

    24 January 2005

    24 January 2005

    CLIENT

    Geotechnical Engineering Limited

    Northing

    depth (m)description

    Sheet 1 of 1

    Scale

    Ground level

    1 : 25

    Depth (m) 3.00

    result

    End Date

    SOUTHSIDE & CITY DEVELOPMENTS LIMITED

    VAUXHALL MOTORS, LUTON

    Sketch of Foundation - Not to scale. All dimensions in metres.

    Easting

    depth

    133.95mOD

    level(m)

    legend

    CONTRACT CHECKED

    Notes

    TP17SITE

  • 1.00

    0.50

    1.00

    1.50

    2.00

    3.50

    133.40

    130.30Dry

    0.40

    3.50

    2

    1

    3

    4

    5

    6

    B

    D*

    D*

    D*

    D*

    D*

    MADE GROUND:Tarmacadam (0.10m) over light grey concrete with 8mm rebar.0.10 - 0.60m: Concrete slab with 30mm rebar on north west side of pit.

    MADE GROUND: Red-brown subangular to subrounded fine to coarse gravel, cobblesand boulders of brick and concrete with some sand. Occasional fragments of metal,wire, glass and timber.

    1.70 - 3.50m: Concrete pad footing. Approx. 1.00x1.00x2.00m.

    Trial pit completed at 3.50m.

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    H.G

    LB 2

    3/06

    /05

    510590.1

    16891

    221212.2

    TRIAL PIT LOG

    (m)

    Start Date

    waterrecord

    sample/testno/type

    Trial pit excavated by JCB 3CX mechanical excavator with 0.60m bucketand breaker.Groundwater not encountered.Trial pit sides remained stable and vertical.On completion, the trial pit was backfilled with materials arising.

    05 February 2005

    05 February 2005

    CLIENT

    Geotechnical Engineering Limited

    Northing

    depth (m)description

    Sheet 1 of 1

    Scale

    Ground level

    1 : 25

    Depth (m) 3.50

    result

    End Date

    SOUTHSIDE & CITY DEVELOPMENTS LIMITED

    VAUXHALL MOTORS, LUTON

    Sketch of Foundation - Not to scale. All dimensions in metres.

    Easting

    depth

    133.80mOD

    level(m)

    legend

    CONTRACT CHECKED

    Notes

    TP18SITE

  • SITE

    0.40133.30133.20133.15Dry

    0.400.500.55

    1D*

    MADE GROUND:Tarmacadam (0.10m) over light grey concrete with 8mm rebar.

    MADE GROUND: Red-brown subangular to subrounded fine to coarse gravel andcobbles of brick and concrete with much sand.MADE GROUND: Light grey concrete.Trial pit completed at 0.55m.

    Geo

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    GEO

    TEC

    H.G

    LB 2

    3/06

    /05

    510662.0

    16891

    221294.9

    TRIAL PIT LOG

    (m)

    Start Date

    waterrecord

    sample/testno/type

    Trial pit excavated by JCB 3CX mechanical excavator with 0.60m bucketand breaker.Groundwater not encountered.Trial pit sides remained stable and vertical.On completion, the trial pit was backfilled with materials arising.

    05 February 2005

    05 February 2005

    CLIENT

    Geotechnical Engineering Limited

    Northing

    depth (m)description

    Sheet 1 of 1

    Scale

    Ground level

    1 : 25

    Depth (m) 0.55

    result

    End Date

    SOUTHSIDE & CITY DEVELOPMENTS LIMITED

    VAUXHALL MOTORS, LUTON

    Sketch of Foundation - Not to scale. All dimensions in metres.

    Easting

    depth

    133.70mOD

    level(m)

    legend

    CONTRACT CHECKED

    Notes

    TP19

  • 0.50

    0.80

    1.00

    2.00

    128.45

    126.95Dry

    0.50

    2.00

    1

    2

    3

    4

    D*

    D*

    B

    B

    MADE GROUND: Tarmacadam (0.10m) over light grey concrete with 6mm rebar.

    Weak and moderately weak, probable medium density, white with occasional blackspecks CHALK. Fractures are extremely closely and very closely spaced (5/20/50),infilled (5/10/50) with off white occasional stained orange-brown comminuted chalk.Flints absent. (C3/C4), Recovered as angular to subangular fine to coarse gravel andcobbles.

    Trial pit completed at 2.00m.

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    GEO

    TEC

    H.G

    LB 2

    3/06

    /05

    510750.5

    16891

    221257.6

    TRIAL PIT LOG

    (m)

    Start Date

    waterrecord

    sample/testno/type

    Trial pit excavated by JCB 3CX mechanical excavator with 0.45m bucketand breaker.Groundwater not encountered.Trial pit sides remained stable and vertical.Trial pit dimensions 3.50x0.45x2.50m.On completion, the trial pit was backfilled with materials arising.

    05 February 2005

    05 February 2005

    CLIENT

    Geotechnical Engineering Limited

    Northing

    depth (m)description

    Sheet 1 of 1

    Scale

    Ground level

    1 : 25

    Depth (m) 2.00

    result

    End Date

    SOUTHSIDE & CITY DEVELOPMENTS LIMITED

    VAUXHALL MOTORS, LUTON

    Sketch of Foundation - Not to scale. All dimensions in metres.

    Easting

    depth

    128.95mOD

    level(m)

    legend

    CONTRACT CHECKED

    Notes

    TP20SITE

  • 0.40

    0.80

    1.00

    1.50

    2.00

    2.50

    128.45

    128.05

    126.35Dry

    0.40

    0.80

    2.50

    1

    2

    3

    4

    5

    6

    D*

    D*

    B

    D*

    B

    D*

    MADE GROUND: Tarmacadam (0.10m) over light grey concrete with 8mm rebar.

    Soft to firm friable brown slightly sandy CLAY with much subangular-subrounded fineto coarse flint gravel.

    Structureless CHALK composed of silty subangular GRAVEL and COBBLES. Clastsare very weak and weak, probably low and medium density, white with occasionalorange-brown staining. Matrix is off-white and white. (Grade Dc).

    Trial pit completed at 2.50m.

    Geo

    tech

    nica

    l Eng

    inee

    ring

    Ltd,

    Tel

    . 014

    52 5

    2774

    3

    168

    91.G

    PJ T

    RIA

    LJH

    .GPJ

    GEO

    TEC

    H.G

    LB 2

    3/06

    /05

    510690.4

    16891

    221197.5

    TRIAL PIT LOG

    (m)

    Start Date

    waterrecord

    sample/testno/type

    Trial pit excavated by JCB 3CX mechanical excavator with 0.45m bucketand breaker.Groundwater not encountered.Trial pit sides remained stable and vertical.Trial pit dimensions 3.50x0.45x2.50m.On completion, the trial pit was backfilled with materials arising.

    05 February 2005

    05 February 2005

    CLIENT

    Geotechnical Engineering Limited

    Northing

    depth (m)description

    Sheet 1 of 1

    Scale

    Ground level

    1 : 25

    Depth (m) 2.50

    result

    End Date

    SOUTHSIDE & CITY DEVELOPMENTS LIMITED

    VAUXHALL MOTORS, LUTON

    Sketch of Foundation - Not to scale. All dimensions in metres.

    Easting

    depth

    128.85mOD

    level(m)

    legend

    CONTRACT CHECKED

    Notes

    TP21SITE

  • recordsample/test

    no/type

    Trial pit excavated by JCB 3CX mechanical excavator with 0.45m bucketand breaker.Groundwater not encountered.Trial pit sides remained stable and vertical.Trial pit dimensions 3.50x0.45x3.00m.On completion, the trial pit was backfilled with materials arising.

    05 February 2005

    05 February 2005

    CLIENT

    Geotechnical Engineering Limited

    Northing

    depth (m)description

    Sheet 1 of 1

    Scale

    Ground level

    0.40

    0.60

    1.00

    1.50

    2.00

    3.00

    121.70

    121.50

    120.25

    119.05Dry

    0.35

    0.55

    1.80

    3.00

    1

    2

    3

    4

    5

    6

    D*

    D*

    B

    D*

    B

    B

    MADE GROUND: Tarmacadam (0.10m) over light grey concrete with 8mm rebar.

    MADE GROUND: Red-brown subangular to subrounded fine to coarse gravel andcobbles of brick and concrete with much sand.

    Structureless CHALK composed of silty subangular GRAVEL and COBBLES. Clastsare very weak and weak, probably low and medium density, white with occasionalorange-brown staining. Matrix is off-white and white. (Grade Dc).

    Weak and moderately weak, probably medium density, white with occasional blackspecks CHALK. Fractures are extremely closely and very closely spaced (5/20/50),infilled (5/10/50) with off white occasional stained orange-brown comminuted chalk.Flints absent. (C3/C4), Recovered as angular to subangular fine to coarse gravel andcobbles.

    Trial pit completed at 3.00m.

    Geo

    tech

    nica

    l Eng

    inee

    ring

    Ltd,

    Tel

    . 014

    52 5

    2774

    3

    168

    91.G

    PJ T

    RIA

    LJH

    .GPJ

    GEO

    TEC

    H.G

    LB 2

    3/06

    /05

    510772.8

    16891

    221325.6

    TRIAL PIT LOG

    (m)

    Start Date

    water

    1 : 25

    Depth (m) 3.00

    result

    End Date

    SOUTHSIDE & CITY DEVELOPMENTS LIMITED

    VAUXHALL MOTORS, LUTON

    Sketch of Foundation - Not to scale. All dimensions in metres.

    Easting

    depth

    122.05mOD

    level(m)

    legend

    CONTRACT CHECKED

    Notes

    TP22SITE

  • 0.30

    0.50

    1.001.00

    2.00

    3.00

    121.45

    120.95

    118.80Dry

    0.35

    0.85

    3.00

    1

    2

    34

    5

    6

    D*

    D*

    D*B

    B

    B

    MADE GROUND: Tarmacadam (0.25m) over yellow-brown lean mix concrete with10mm steel reinforcement.

    MADE GROUND: Off-white silty subangular gravel and cobbles of moderately weakchalk gravel.

    Structureless CHALK composed of silty subangular GRAVEL and COBBLES. Clastsare moderately weak, probably low and medium density, white with occasionalorange-brown staining. Matrix is off-white and white. (Grade Dc).0.85m: Undetected buried cable exposed (dead).

    Trial pit completed at 3.00m.

    Geo

    tech

    nica

    l Eng

    inee

    ring

    Ltd,

    Tel

    . 014

    52 5

    2774

    3

    168

    91.G

    PJ T

    RIA

    LJH

    .GPJ

    GEO

    TEC

    H.G

    LB 2

    3/06

    /05

    510476.3

    16891

    220929.1

    TRIAL PIT LOG

    (m)

    Start Date

    waterrecord

    sample/testno/type

    Trial pit excavated by JCB 3CX mechanical excavator with breaker.Groundwater not encountered.Trial pit sides remained stable and vertical.On completion, the trial pit was backfilled with materials arising.

    21 January 2005

    21 January 2005

    CLIENT

    Geotechnical Engineering Limited

    Northing

    depth (m)description

    Sheet 1 of 1

    Scale

    Ground level

    1 : 25

    Depth (m) 3.00

    result

    End Date

    SOUTHSIDE & CITY DEVELOPMENTS LIMITED

    VAUXHALL MOTORS, LUTON

    Sketch of Foundation - Not to scale. All dimensions in metres.

    Easting

    depth

    121.80mOD

    level(m)

    legend

    CONTRACT CHECKED

    Notes

    TP23SITE