TRIAL PIT LOG ST01

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					Geotechnical Engineering Limited

TRI PI LOG AL T
CLI ENT SI TE Start Date End Date
water record no/ type

SOUTHSI & CI DEVELOPMENTS LI TED DE TY MI VAUXHALL MOTORS,LUTON 14 April 2005 14 April 2005
sample/ test result depth (m)

ST01
Sheet 1 of1 1 :25 2.10 Scale Ground level 116.40mOD Depth (m)
depth (m) level (m)

Easting Northing

510355.1 220866.6

description MADE GROUND:Tarmacadam (0.10m) over Brown sand and angular to rounded f ine to coarse gravel and cobbles ofvarying lithologies including brick,concrete,f and lint rare metal f ragments.

legend

1.90 Structureless CHALK composed ofsilty subangular GRAVEL and COBBLES. Clasts are moderately weak,probably low and medium density,white with occasional orange-brown staining. Matrix is of-white and white. (Grade Dc). f Trial pit completed at 2.10m. 2.10

114.50 114.30

Dry

16891.GPJ TRI ALJH.GPJ GEOTECH.GLB 23/ 05 06/

Notes 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 backf illed with materials arising. Soakaway test carried out in trial pit.

Sketch ofFoundation - Not to scale. All dimensions in metres.

Geotechnical Engineering Ltd,Tel. 01452 527743

CONTRACT

CHECKED

16891

Geotechnical Engineering Limited

TRIAL PIT LOG
CLIENT SITE Start Date End Date
water record no/type

SOUTHSIDE & CITY DEVELOPMENTS LIMITED VAUXHALL MOTORS, LUTON 14 April 2005 14 April 2005
sample/test result depth (m)

ST02
Sheet 1 of 1 1 : 25 2.60 Scale Ground level 119.75mOD Depth (m)
depth (m) level (m)

Easting Northing

510330.4 220894.0

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

legend

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

0.35

119.40

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

119.10

1.40 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).

118.35

Dry 2.60 Trial pit completed at 2.60m. 117.15

16891.GPJ TRIALJH.GPJ GEOTECH.GLB 23/06/05

Notes 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.

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

Geotechnical Engineering Ltd, Tel. 01452 527743

CONTRACT

CHECKED

16891

Geotechnical Engineering Limited

TRIAL PIT LOG
CLIENT SITE Start Date End Date
water record no/type

SOUTHSIDE & CITY DEVELOPMENTS LIMITED VAUXHALL MOTORS, LUTON 13 April 2005 13 April 2005
sample/test result depth (m)

ST03
Sheet 1 of 1 1 : 25 2.10 Scale Ground level 129.10mOD Depth (m)
depth (m) level (m)

Easting Northing

510548.7 221034.7

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

legend

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

128.80

0.80 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).

128.30

2.10 Dry Trial pit completed at 2.10m.

127.00

16891.GPJ TRIALJH.GPJ GEOTECH.GLB 23/06/05

Notes 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.

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

Geotechnical Engineering Ltd, Tel. 01452 527743

CONTRACT

CHECKED

16891

Geotechnical Engineering Limited

TRIAL PIT LOG
CLIENT SITE Start Date End Date
water record no/type

SOUTHSIDE & CITY DEVELOPMENTS LIMITED VAUXHALL MOTORS, LUTON 13 April 2005 13 April 2005
sample/test result depth (m)

ST04
Sheet 1 of 1 1 : 25 2.40 Scale Ground level 152.50mOD Depth (m)
depth (m) level (m)

Easting Northing

510533.5 221242.5

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

legend

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

152.25

1.30 MADE GROUND: Black sand and gravel size fragments of ash. 1.50 Firm brown CLAY with some subangular to subrounded fine to coarse flint gravel.

151.20 151.00

2.00 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). 2.40 Dry Trial pit completed at 2.40m.

150.50

150.10

16891.GPJ TRIALJH.GPJ GEOTECH.GLB 23/06/05

Notes 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.

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

Geotechnical Engineering Ltd, Tel. 01452 527743

CONTRACT

CHECKED

16891


				
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