structural soils trial pit log - cheltenham

25
1. Trial pit walls stable. 2. No groundwater encountered. 3. Soakaway test completed. 4. Backfilled on completion. (0.32) 0.32 0.55 (0.65) 1.20 (0.50) 1.70 (0.30) 2.00 (0.50) 2.50 2.58 1 2 3 4 5 6 7 8 D ES D ES V D V D D B c u =106/112/120 c u =138/130 0.25 0.25 0.75 0.75 0.75 1.20 1.20 1.75 2.20 2.58 Grass/weeds over MADE GROUND: Dark brown slightly sandy slightly gravelly friable CLAY. Gravel is fine to medium subangular to subrounded chert, brick, charcoal and ceramic with frequent rootlets. Firm brown slightly sandy slightly gravelly CLAY. Gravel is fine to medium subangular brick, charcoal and limestone and occasional rootlets. Firm to stiff light brown mottled grey slightly sandy slightly gravelly CLAY. Gravel is fine subrounded limestone and occasional rootlets. (Superficial Deposits) Stiff grey mottled brown slightly sandy closely fissured CLAY. (Superficial Deposits) Stiff grey brown slightly sandy gravelly CLAY with orange staining. Gravel is fine angular to subangular mudstone/limestone. (Superficial Deposits) Very stiff grey laminated slightly sandy CLAY with occasional decomposing (purple) rootlets and pockets of orange slightly silty slightly sandy fine mudstone gravel. (Superficial Deposits) Very stiff dark blue grey laminated slightly sandy CLAY. With occasional decomposing rootlets and rare shell fragments. (Charmouth Mudstone Formation) Pit terminated at 2.58m depth. Water Material Graphic Legend Backfill Depth (Thick ness) No Type Results Depth Description of Strata Samples and In-situ Tests Plan (Not to Scale) 0.70 2.80 General Remarks All dimensions in metres 1:25 Scale: STRUCTURAL_SOILS_GINT_LIBRARY.GLB!TRIAL PIT LOG - STANDARD | 722048_GROVEFIELD_WAY_CHELTENHAM.GPJ - v8_02 | 14/07/14 - 12:19. Structural Soils Ltd, Head Office - Bristol: The Old School, Stillhouse Lane, Bedminster, Bristol, BS3 4EB. Tel: 0117-947-1000, Fax: 0117-947-1004, Web: www.soils.co.uk, Email:[email protected]. Trialpit: Client: Contract: 34.64 TRIAL PIT LOG Grovefield Way, Cheltenham H N Bailey, J A Bailey and C H Harvey SA2 Method Used: Machine dug Plant Used: JCB-3CX Logged By: Checked By: SP MBaker National Grid Co-ordinate: of Contract Ref: Date: Ground Level (m): Sheet: 1 1 04.08.08 34.64 722048 E:390642.3 N:221388.9 STRUCTURAL SOILS

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Page 1: STRUCTURAL SOILS TRIAL PIT LOG - Cheltenham

1. Trial pit walls stable.2. No groundwater encountered.3. Soakaway test completed.4. Backfilled on completion.

(0.32)

0.32

0.55

(0.65)

1.20

(0.50)

1.70

(0.30)

2.00

(0.50)

2.502.58

12

34

5

6

7

8

DES

DESV

DV

D

D

B

cu=106/112/120

cu=138/130

0.250.25

0.750.750.75

1.201.20

1.75

2.20

2.58

Grass/weeds over MADE GROUND: Dark brown slightly sandyslightly gravelly friable CLAY. Gravel is fine to medium subangular tosubrounded chert, brick, charcoal and ceramic with frequent rootlets.

Firm brown slightly sandy slightly gravelly CLAY. Gravel is fine tomedium subangular brick, charcoal and limestone and occasionalrootlets.Firm to stiff light brown mottled grey slightly sandy slightly gravellyCLAY. Gravel is fine subrounded limestone and occasional rootlets.(Superficial Deposits)

Stiff grey mottled brown slightly sandy closely fissured CLAY.(Superficial Deposits)

Stiff grey brown slightly sandy gravelly CLAY with orange staining.Gravel is fine angular to subangular mudstone/limestone.(Superficial Deposits)

Very stiff grey laminated slightly sandy CLAY with occasionaldecomposing (purple) rootlets and pockets of orange slightly siltyslightly sandy fine mudstone gravel.(Superficial Deposits)

Very stiff dark blue grey laminated slightly sandy CLAY. Withoccasional decomposing rootlets and rare shell fragments.(Charmouth Mudstone Formation)Pit terminated at 2.58m depth.

Wat

er MaterialGraphicLegendB

ackf

ill Depth

(Thickness)No Type ResultsDepth

Description of StrataSamples and In-situ Tests

Plan (Not to Scale)

0.70

2.80

General Remarks

All dimensions in metres 1:25Scale:

ST

RU

CT

UR

AL_

SO

ILS

_GIN

T_L

IBR

AR

Y.G

LB!T

RIA

L P

IT L

OG

- S

TA

ND

AR

D |

7220

48_G

RO

VE

FIE

LD_W

AY

_CH

ELT

EN

HA

M.G

PJ

- v8

_02

| 14

/07/

14 -

12:

19.

Str

uctu

ral S

oils

Ltd

, Hea

d O

ffice

- B

risto

l: T

he

Old

Sch

ool,

Stil

lhou

se L

ane

, Bed

min

ster

, Bris

tol,

BS

3 4E

B. T

el: 0

117-

947-

100

0, F

ax:

011

7-9

47-

100

4, W

eb: w

ww

.soi

ls.c

o.uk

, Em

ail:a

dmin

@so

ils.c

o.uk

.

Trialpit:Client:Contract:

34.64

TRIAL PIT LOG

Grovefield Way, Cheltenham H N Bailey, J A Bailey and C H Harvey SA2

MethodUsed: Machine dug

PlantUsed: JCB-3CX

LoggedBy:

CheckedBy: SPMBaker

National Grid Co-ordinate:

of

Contract Ref: Date: Ground Level (m): Sheet:

1 104.08.08 34.64722048 E:390642.3 N:221388.9

STRUCTURAL SOILS

Page 2: STRUCTURAL SOILS TRIAL PIT LOG - Cheltenham

1. Trial pit walls stable.2. No groundwater encountered.3. Soakaway test completed.4. Backfilled on completion.

0.26

(0.34)

0.60

(0.40)

1.00

(1.60)

2.60

12

5

34

6

7

8

9

10

ESD

D

ESDV

B

D

D

D

B

cu=110/120/130

0.200.20

0.40

0.850.850.85

1.50

1.80

2.15

2.40

2.60

Grass over MADE GROUND: Dark brown slightly sandy slightlygravelly friable CLAY. Gravel is fine to coarse angular to subangularbrick, glass and charcoal with frequent rootlets.MADE GROUND: Firm brown slightly sandy CLAY with occasionalfragments of charcoal and brick.

Firm grey mottled brown slightly sandy slightly gravelly CLAY. Gravelis fine to medium subrounded mudstone.(Superficial Deposits)

Stiff dark grey mottled brown slightly laminated slightly sandy CLAY.(Charmouth Mudstone Formation)

. . . thinly laminated with fine 1-2mm gypsum crystals from 1.80m depthand occasional decomposing purple rootlets and becoming very stiff.

. . . at 2.15m depth abundant gypsum crystals.

Pit terminated at 2.60m depth.

Wat

er MaterialGraphicLegendB

ackf

ill Depth

(Thickness)No Type ResultsDepth

Description of StrataSamples and In-situ Tests

Plan (Not to Scale)

0.70

2.80

General Remarks

All dimensions in metres 1:25Scale:

ST

RU

CT

UR

AL_

SO

ILS

_GIN

T_L

IBR

AR

Y.G

LB!T

RIA

L P

IT L

OG

- S

TA

ND

AR

D |

7220

48_G

RO

VE

FIE

LD_W

AY

_CH

ELT

EN

HA

M.G

PJ

- v8

_02

| 14

/07/

14 -

12:

19.

Str

uctu

ral S

oils

Ltd

, Hea

d O

ffice

- B

risto

l: T

he

Old

Sch

ool,

Stil

lhou

se L

ane

, Bed

min

ster

, Bris

tol,

BS

3 4E

B. T

el: 0

117-

947-

100

0, F

ax:

011

7-9

47-

100

4, W

eb: w

ww

.soi

ls.c

o.uk

, Em

ail:a

dmin

@so

ils.c

o.uk

.

Trialpit:Client:Contract:

31.42

TRIAL PIT LOG

Grovefield Way, Cheltenham H N Bailey, J A Bailey and C H Harvey SA3

MethodUsed: Machine dug

PlantUsed: JCB-3CX

LoggedBy:

CheckedBy: SPMBaker

National Grid Co-ordinate:

of

Contract Ref: Date: Ground Level (m): Sheet:

1 104.08.08 31.42722048 E:390442.3 N:221436.8

STRUCTURAL SOILS

Page 3: STRUCTURAL SOILS TRIAL PIT LOG - Cheltenham

S:\Contracts Data\2014\729300-729399\729381 Grovefield Way, Cheltenham\1. Reports\728391R2.doc Page iii

Structural Soils Limited

APPENDIX C

(i) Californian Bearing Ratio Test Results

(ii) Soakaway Test Results

(iii) Laboratory Test Results

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