Ripon Motorway Service Area - Harrogate

Ripon Motorway Service

Area

Drainage Strategy Report

July 2018

RCD17

5416 MOTO RIPON i

This report has been prepared for the sole benefit, use and information of Moto Hospitality Ltd, for the purposes described and the liability of Furness Partnership Ltd. in respect of the information contained within the report will not extend to any third party.

Revision Date Issue Status Prepared by Checked by

A 12.06.18 FOR INFORMATION SMGM MK

B 20.06.18 FOR INFORMATION EP LF

5416 MOTO RIPON i

Contents

Executive Summary ............................................................................................................................................................ 1

1 Introduction ................................................................................................................................................................ 1

2 Existing Site and Current Flood Conditions ............................................................................................................... 2

3 Proposed Development and Drainage Strategy ........................................................................................................ 3

4 Conclusions ............................................................................................................................................................... 7

Appendix A – Site Location Plans ....................................................................................................................................... 8

Appendix B - SUDS SCHEMATIC – Drawing No – 21804/04 ............................................................................................. 9

Appendix C – Flood Risk Assessment .............................................................................................................................. 10

Appendix D – Trial pit and Borehole logs .......................................................................................................................... 11

5416 MOTO RIPON 1

Executive Summary

The proposal is to develop a piece of farmland adjacent to Junction 50 A1 (M) on the A61/A6055 near Ripon in

North Yorkshire into a Motorway Service Area (MSA).

The proposed development will comprise of an amenity building, lodge, drive thru coffee unit, associated car,

coach, motorcycle, caravan, HGV and abnormal load parking, and a fuel filling station. As part of the works

there will be alternations to the adjoining roundabout on the A1 (M) and slips roads to form an access point and

works to the highway

The external areas of the site are shown on the EA’s flood map as being within fluvial zone 1.

A small area of the site to the south is a high risk of surface water flooding according to EA Maps. Other areas

of low – medium risk have been identified on the EA Maps – however the risk is considered small as outlined in

the FRA for the site.

Other flood sources have been assessed – e.g. groundwater and artificial.

The layout of the MSA has been designed with flood risk in mind – the amenity building and lodge are located

at the highest point of the site, and all of the buildings or main parking areas are within flood zone 1.

SUDS: to comply with NPPF, surface water drainage systems must be designed with sustainability in mind. The

water will be drained via soakaways across the site.

The surface water drainage strategy utilises subbase storage within the car park, bioretention planters, swales

and attenuation ponds to store storm water in the critical “1 in 100 years plus 40% climate change” storm event.

This will discharge to groundwater via soakaways around the site. The proposed drainage layout is shown in

Appendix B.

The SuDS features – particularly the swales and attenuation ponds – will treat the contaminants in the stored

water.

The foul drainage will be routed into the foul sewerage network to the north of the site near Melmerby Green

Lane following a Section 106 application and permission from Yorkshire Water. These discussions are ongoing.

5416 MOTO RIPON 1

1 Introduction

1.1. This report has been prepared for Moto Hospitality Ltd in relation to the proposed development site at junction

50 of the A1 (M), Ripon, North Yorkshire.

1.2. RMA Environmental were appointed to provide a Flood Risk Assessment for the site as required by the

Environment Agency and Harrogate County Council to achieve planning approval at the proposed site.

1.3. A FRA was produced in line with the National Planning Policy Framework (NPPF) and the associated Planning

Practice Guidance (PPG) and Environment Agency (EA) standing advice on flood risk for new development. .

The full report is available in appendix C.

1.4. This report provides a summary of the results of the FRA and includes a site specific drainage strategy for the

proposed development.

1.5. It should be borne in mind that while this development will increase the amount of impermeable areas within the

site boundary, the proposed SuDS features and drainage strategy will capture and store the water and

discharge it through infiltration via several soakaways around the site, ensuring that there is no increased risk of

flooding (either within or outside the site boundary) due to the development. The current site has no flood

mitigation in place therefore it is expected that the proposed provisions will have a positive impact on the

surface water flooding shown on the EA flood maps.

5416 MOTO RIPON 2

2 Existing Site and Current Flood Conditions

2.1. The application site lies to the south of east of Melmerby, west of the A1(M) at junction 50. It is administered by

Harrogate Borough Council. A site location map and aerial view of the site are shown in Appendix A.

2.2. The site comprises 4 buildings that form the MSA; the amenity building, lodge, drive thru and fuel filling station;

there is parking areas for cars, caravans, coaches, HGVs and abnormal loads. The rest of the landscaped area.

The total area is approximately 13.4 Ha (9.131 Ha is its effective area due to the contributing – i.e. positively

drained - area).

2.3. The nearest watercourse to the site is the River Swale, 1.9 km north-east of the site. This flows southeastward,

towards York, on the far side of the motorway.

2.4. A topographical survey of the existing site has been conducted, with levels above Ordnance Datum (AOD). The

site’s levels range between 47.15 AOD near to the southwest and falling to 42.29m AOD near to the northern

site boundary. The finished floor levels of the buildings range between 44.3m AOD and 44.0m AOD.

2.5. Drainage: it is believed that the site’s surface water is discharged from the site via a combination of infiltration

and over-ground flow to the low point of the site near the northern boundary.

2.6. Geology: British Geological Survey (BGS) online Geology of Britain Viewer, the site is underlain by superficial

geology of the Vale of York Formation, comprising clay, sand and gravel. The superficial geology is classified

as Secondary B Aquifer by the EA – predominantly lower permeability layers which may store and yield limited

amounts of groundwater due to localised features such as fissures, thin permeable horizons and weathering.

The EA have noted that the Sherwood Sandstone beneath the site is to be considered a sensitive

environmental receptor.

2.7. A Site Investigation was undertaken – see borehole data in Appendix D. A single water strike was recorded at

as 1.30m below ground level at SA01. This was an isolated incident and a high water table was not

encountered elsewhere on the site.

2.8. Due to the local Geology it has been determined that partial infiltration is the preferred method of removing

water from the site post development. The storm flows will be conveyed via SUDS.

2.9. Public sewers: Yorkshire Waters records show that there are sewers to the northwest of the site in the

Melmerby settlement.

2.10. Fluvial flooding: the Environment Agency’s (EA) Flood Maps show the site falls within fluvial Flood Zone 1 (FZ1)

meaning that there is little or no fluvial flood risk on this site. Inland sites within FZ1 are susceptible to less than

a 1 in 1000 (0.1%) chance of river flooding each year.

2.11. Tidal flooding: does not pose a risk due to the site’s distance from the nearest shore and the absence of tidally

influenced watercourses in this vicinity.

2.12. Surface water flooding: occurs when excess rainwater does not infiltrate into the ground and instead flows

across the surface. The EA’s surface water flood map in the ‘High Risk Scenario’ (‘1 in 100 years’ storm event)

5416 MOTO RIPON 3

within the FRA (appendix C) shows this site is liable to flood near the southern boundary. However, the FRA

notes that the EA mapping is likely not to consider the balancing ponds and road network drainage and

therefore whilst indicate the risk of Surface Water flooding is acceptable and all buildings will be located outside

any High or Medium Risk Areas.

2.13. Groundwater flooding: does not pose a risk to the site in accordance with the Harrogate Borough Council

Strategic Flood Risk Assessment.

2.14. Other sources of flooding: A review of the SFRA and EA flood maps, has identified that there are no other

significant sources of flooding at the site, i.e. from sewers or reservoir.

2.15. Historical records: No historic records relate to the site itself.

2.16. Refer to the FRA for further details (appendix C).

3 Proposed Development and Drainage Strategy

3.1. The planning application is for the development of farmland into a Motorway Service area (MSA) comprising an

amenity building, lodge, coffee drive thru, fuel filling station, vehicle parking and landscaping.

3.2. Sequential & Exception Tests: Table 2 of the NPPF’s TG classes the MSA as ‘Less Vulnerable’ for the amenity

building and drive thru, ‘more vulnerable’ for the lodge and highly vulnerable for the fuel filling station. The site

is located within Flood Zone 1 and, referring to Table 3 of the NPPF PPG, all land uses are considered

appropriate. Therefore, on the basis of land use vulnerability, the development should be deemed appropriate

in planning policy terms in its proposed location.

Figure 1: Table 3 of the NPPF’s Technical Guidance

5416 MOTO RIPON 4

3.3. The proposed ground floor FFL of the amenity building, lodge and drive thru are 44.30m, 44.5m and 44.15m

respectively. The fuel filling station’s (FFS) FFL is at 43.15 AOD. The areas of the site which have been

highlighted at risk of surface water flooding do not have any building infrastructure located within the area.

3.4. Surface Water flood risk and mitigation: The FRA highlights that the output on the EA’s surface water flooding

maps is likely to be conservative as it is deemed unlikely to account for the existing drainage infrastructure

associated with the motorway junction which would reduce the risk shown on the mapping. There is a balancing

pond to the east of site which again is likely not to be considered in the EA mapping.

3.5. Safe access to dry land: all the main buildings are not located in the areas at risk of flooding due to surface

water or groundwater flooding. The site is within flood zone 1 therefore not at risk of fluvial flooding.

3.6. Drainage Strategy: The SuDS hierarchy has been considered. Soakaways are considered to be feasible in

some zones within the site due to the geology of the site and have been adopted. Tests shows the infiltration

rates average of 1.8 x 10-5 m/s (0.06123 m/hr) at test location SA02. It is assumed that SUDS features may

partially infiltrate to ground. The nearest watercourse is over 1.9km away therefore not directly accessible so it

is not a feasible solution for storm water discharge.

3.7. Various sustainable drainage systems were considered to store the excess storm water:

Attenuation Ponds

Swales

Rainwater harvesting tanks

Bio-retention planters

Filter strips

3.8. CIRIA Guidelines indicate that 2 stages of treatment should be included in such schemes, and this has been

adopted throughout the site. The site’s land use is categorized as medium risk (Table 26.2 of CIRIA Report

C753) and thus the SuDS network must be designed to allow a total pollution hazard index of at least 0.7 for

total suspended solids, 0.6 for metals and 0.7 for hydrocarbons.

Excerpt of Table 26.2 from SuDS Manual

3.9. Across the site, there are various routes which the storm water can take before it reaches a soakaway, each

with a minimum of 2 trains of treatment. Using the mitigation indices overleaf in table 26.4 from the SuDS

Manual, it is clear that a combination of nearly any of these would result in a total mitigation index of more than

the minimum pollution hazard index prescribed for this site. Only the combination of 2 filter strips or filter drains

would result in an insufficient total index, and this combination of SuDS methods is not used anywhere on the

site. Therefore the SUDS measures of filter drains, attenuation basins, swales, bio-retention planters,

permeable paving and gullies will provide the necessary treatment and removal of contaminants before

discharge to the ground water system occurs via infiltration.

5416 MOTO RIPON 5

Table 26.4 from The SuDS Manual

Total SuDS mitigation index = mitigation index 1 + 0.5 mitigation index 2 Where mitigation index 1 is the index for first train of treatment and mitigation index 2 is for second train of treatment etc.

3.10. Analysis using the Causeway FLOW software estimated storage requirement for the site for events up to 1 in

100 year plus 40% Climate Change was of the order of 2,268m3 – 6,452m3 assuming infiltration at a rate of

0.0.6123 m/hr. As the detailed design of the site’s storm drainage progresses, the amount of infiltration

achievable may reduce – e.g. if there is a reduction in soakaway locations to ensure that there is sufficient

attenuation within SuDS features to ensure a satisfactory level of treatment of contaminants. Therefore to

provide an upper bound figure for required storage, analysis was also undertaken using the Causeway flow

model for zero infiltration across the site. The model calculated that for no infiltration, the storage requirement

range calculated was 8,026 -- 10,538m3.

3.11. Therefore it was determined that a total storage allowance of circa 6,500m3 would provide sufficient storage for

events up to 1 in 100 year plus 40% Climate Change, with any potential change in the infiltration rate coming

about because of a change in the design being discounted at this stage of the proposal.

3.12. Hence, at this stage of the proposal the site has been developed with storage of 6,500m3 provided in

Bioretention Planters, Tree Pits, Ponds, Basins, Swales and Car Park attenuation systems and exceedance

flow storage in Car and HGV Parking zones available, resulting in a total storage of 6,500m3.

3.13. Maintenance of the SuDS system will be the overall responsibility of the Applicant. It is expected that the

ongoing maintenance regime will be contracted out to a Property Maintenance company, however Moto will

retain control of the SUDS systems within the site and oversee the ongoing maintenance of the structures for

the lifetime of the operation. Table 1 below summarizes the maintenance that will occur within the site to ensure

that the SUDS features are maintained and continue to operate efficiently throughout the lifetime of the project.

3.14. General monthly inspection and maintenance on pipes, chambers and outfalls will require:

- Carry out visual check of all inspection chambers and manholes to ensure all pipes are clear and free-

flowing. If not, clean out by rodding or jetting.

- Check that the vortex orifice is clear and bypass door is closed.

- Check function of bypass door and oil if necessary.

5416 MOTO RIPON 6

3.15. All silt traps/catch pits are to be visually inspected quarterly and cleaned out as necessary. Furthermore, as

summarized below, the following maintenance and inspection will be carried out:

Table 1 – Maintenance Summary

3.16. Foul drainage: it is proposed to discharge the development’s foul water into the existing foul sewer manhole to

the north at Melmerby Green.

3.17. Permission to discharge into the sewer – by means of a Section 106 application – is needed. Currently the

developer is waiting upon the results of a sewer capacity assessment by Yorkshire Water.

3.18. Roundabout drainage: The SuDS system on the site deals with the surface water within the ownership

boundary, and not the red-line planning boundary which includes the motorway roundabout as well. The

motorway roundabout is served by its own drainage system and there are no plans to alter this arrangement

during the construction works associated with the roundabout as part of the development.

5416 MOTO RIPON 7

4 Conclusions

The application site is located in a Flood Zone 1 as designated by EA and therefore it has a low risk flood risk profile;

fluvial flood risk is negligible, and only a very small area of the site is at risk of surface water flooding. Mitigation

measures have been adopted in this area to relieve the risk of flooding. None of the buildings are within this zone

therefore the risk of flooding within the buildings is negligible.

The site’s SuDS network has been designed to with sufficient storage for a 1 in 100 year + 40% critical storm event

using the average site-measured infiltration rate. If the amount of infiltration is reduced due to changes in the design, the

storage provided will ensure no flooding in a 1 in 30 year event, and in a 1 in 100 year +40% event, exceedance flows

can be contained in the main car park area to provide surface water storage in addition to the storage within the SuDS

features.

As well as designing a SuDS system which considers flood risk, steps have been taken to ensure any surface water

leaving the site is of a sufficient water quality as well through the use of various passive SuDS treatment methods, using

a combination of bio-retention planters, swales and attenuation ponds.

In conclusion, this development will not increase the flood risk, either on this site or the surrounding area, and so

complies fully with the NPPF, and water will be treated via the SuDS network in accordance with CIRIA 753 guidance to

limit detrimental impact upon local sensitive water receptors.

5416 MOTO RIPON 8

Appendix A – Site Location Plans

5416 MOTO RIPON 9

Appendix B - SUDS SCHEMATIC – Drawing No – 21804/04

Balancing Pond

F

W

46.1m

45.27

46.63

47.26

47.22

45.20

44.80

49.30

49.22

50.06

49.85

49.90

49.27

49.35

48.84

49.55

49.54

50.34

50.07

49.72

50.46

50.68

50.65

51.13

51.18

51.35

55.96

55.94

53.95

54.08

51.37

50.91

51.08

50.42

50.38

50.46

50.37

50.73

51.01

50.06

49.95

49.59

57.26

52.52

51.70

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7

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49.77

49.23

49.39

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3

4

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0

48.98

48.84

48.69

48.47

48.25

48.03

47.91

47.75

47.50

47.25

46.98

46.70

46.42

46.08

45.77

45.46

45.21

45.04

44.92

44.87

45.11

45.14

45.20

45.25

45.38

45.62

45.87

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3

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0

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46.67

46.95

47.25

47.51

47.75

47.86

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5

.

5

45.5

4

5

.5

45.5

4

5

.

5

45.5

4

5

.

0

4

5

.0

4

5

.0

45.0

45.0

4

5

.0

4

5

.0

4

5

.

0

4

5

.

0

4

5

.

0

4

5

.0

4

9

.

5

5

1

.

5

5

1

.

5

5

1

.

5

5

1

.

5

4

2

.

5

4

2

.

5

4

2

.

5

42.5

4

2

.

5

4

2

.

5

4

2

.

5

4

2

.

5

4

2

.

5

4

2

.5

5

1

.

0

5

1

.

0

4

3

.5

4

3

.

5

4

3

.

5

4

3

.

5

43.5

4

3

.

5

43.5

4

3

.

5

43.5

4

3

.

5

4

5

.

5

45.5

4

5

.

5

4

5

.5

4

5

.

5

4

5

.

5

45.5

45.5

46.0

4

6

.0

G:2.6

SLOW

50.32

44.00

44.00

44.00

44.00

44.00

44.00

44.00

44.00

44.00

44.00

44.00

44.00

44.00

44.00

45.00

45.00

45.00

45.00

45.00

45.00

44.00

45.00

44.00

43.00

43.00

43.00

43.00

43.00

43.00

43.00

43.00

43.00

43.00

43.00

44.00

44.00

44.00

44.00

44.00

44.00

44.00

44.00

44.00

44.00

44.00

44.00

44.00

44.00

44.00

44.00

44.00

44.00

44.00

45.00

45.00

45.00

45.00

45.00

45.00

45.00

45.00

45.00

46.00

46.00

46.00

46.00

46.00

46.00

46.00

46.00

46.00

39.50

42.40

42.40

42.55

42.55

43.00

43.00

46.70

46.70

49.20

49.20

44.00

45.00

45.00

49.13 (+4m)

47.50 (+4m)

43.45

43.45

44.20

44.20

43.90

50.15 (+6m)

44.20

50.03 (+4.5m)

FFL -

44.50

FFL - 44.30

43.90

43.50

42.50

42.50

43.00

43.00

43.00

+ 3m

+2m

+ 4m

45.50

45.50

45.00

44.70

FFL -

43.15

FFL -

44.15

SD591

SD587

SD591

SD587

Attenuation Basin

KEY:

Proposed tree

Sub-base storage

Tree Pit Attenuation

Swale

Filter drain

Proposed Level

22.38

Piped Connections

and Headwalls

Paving Falls

CHKDBYDATEREV

STATUS

For Comment

The Warehouse, Kingshold Building 4,

Malmesbury Road, Cheltenham, GL51 9PL

[email protected] T: 01242 521480 F: 01242 228849

Drawing no.

Scale Date

Title

Client

Project

Drawn

Revision

Checked Approved

NTS SEI

.

SUDS SCHEMATIC

TG

/

IW

BALDERSBY GATE MSA

MAY 18

21804/04

N

A1 O

riginal

NOTES

1. The use of this data by the recipient acts as an agreement of the following

statements. Do not use this data if you do not agree with any of the following

statements.

2. This drawing remains the copyright of Illman Young Landscape Design.

3. Do not scale the drawing except for planning. All dimensions are in millimetres

unless otherwise indicated. Use figured dimensions in all cases. Check all

dimensions on site.

4. Report any discrepancies or omissions to the Landscape Architects before

proceeding.

5. This document is to be read in conjunction with the specification and all other

project documentation.

6. OS information reproduced from Ordnance Survey Map with permission of Promap,

Crown Copyright; Illman Young Landscape Design Licence number LIG0169

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ICU

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GH2

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46.371

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GH3

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49.753

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GH4

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50.289

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45.14

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45.38

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45.96

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46.55

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47.48

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47.63

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46.70

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45.66

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44.84

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44.75

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48.35

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48.54

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49.19

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44.85

5416 MOTO RIPON 10

Appendix C – Flood Risk Assessment

Refer to report by RMA Environmental sent under separate cover.

5416 MOTO RIPON 11

Appendix D – Trial pit and Borehole logs

Coach park

Caravan park

Basin

Basin

Basin

HGV Park

Fuel Filling Station

Lodge

Amenity Building

Car Park

Mound

Screening Mound

Abnormal load

Screening Mound

Screening Mound

Drive Thru' Mound

Swale

Service buildings

Approximate boundary of crops

'Fallow' strips c. 6 m wide

Ground InvestigationUnit 3 Westfield Court, Barns Ground, Kenn

Clevedon, BS21 6FQTEL: 01275 876903 | FAX: 01275 879662

www.ground-investigation.com

Exploratory Hole Positions

Proposed Layout

MSA Baldersby Gate

Moto Hospitality Limited

P1065

P1065-01.FIG2.DWGFilename:

1:2,000 (at A3 size)Scale:Project No:

Client:

Site: FIGURE 2

KEY

Window Sampler Borehole

Trial Pit

Trial Pit with Soakaway Test

PRELIM

INARY

Brown slightly clayey/silty gravelly organic sand. Gravel is chert and dolomiticlimestone. Occasional plant remains.MADE GROUND (Topsoil)

Loose to medium dense yellow brown slightly clayey/silty slightly gravellySAND. Gravel is strong rounded to subrounded chert and dolomitic limestone,and extremely weak subrounded red sandstone.VALE OF YORK FORMATION

Soft to firm yellow brown to red slightly gravelly very sandy silty CLAY, tendingto slightly gravelly clayey/silty SAND with low cobble content. Gravel is strongrounded to subrounded chert and dolomitic limestone, and extremely weaksubrounded red sandstone. Cobbles are strong rounded grey domomiticlimestone.VALE OF YORK FORMATION

Dense red SAND, with occasional extremely weak subangular sandstonelithorelicts.SHERWOOD SANDSTONE GROUP

Extremely weak to very weak thinly laminated red SANDSTONE. Recovered assandy angular and tabular gravel and cobble sized fragments.SHERWOOD SANDSTONE GROUP

0.10-0.20 D-1

0.25 CBR @ 0.25m: 4-5%

0.50 CBR @ 0.50m: 2-3%; >15% at 0.85m

0.90-1.00 D-2 0.90-1.00 B-3

1.00 CBR @ 1.00m: >15%

1.30-1.40 D-4

0.35

0.80

1.10

1.50

1.90

(0.35)

(0.45)

(0.30)

(0.40)

(0.40)

Description

SAMPLES & IN-SITU TESTS

Legend

STRATA

Results / RemarksType/ No

WATER

Groundwater Observations

Flow Rate RemarksStrike Depth

1) All recorded strengths and densities based on visual observations and ease of excavation, where field tests have not been undertaken. Square bracketsindicate approximation within Made Ground.2) No obvious visual or olfactory evidence of mobile contaminants.3) Groundwater not encountered.4) Excavation terminated at 1.90m, and infiltration test undertaken. Excavation backfilled following completion.5) Trial pit sides generally stable throughout excavation and subsequent infiltration testing.6) Indicative CBR values indicated by Mexecone Penetrometer ('CBR').

General Remarks

DepthDepth

Trial Pit RecordP R E L I M I N A R Y D R A F T

Shoring/Support: NoneSide Stability: Generally stable

A

B

C

D

Hole ID

Northing: Elevation: 435,089.000Easting: 476,098.00

Method/Plant Used: Kubota KX080-4 Sheet 1 of 1 (0.00m-3.00m)All dimensions in metres

Scale 1:15Start date: 25/05/18 End Date: 25/05/18 Logged By: DH

Site: Junction 50, A1(M) MotorwayClient: Moto Hospitality LimitedJob No: P1065

SA01T

012

75 8

7690

3 |

E s

outh

wes

t@gr

ound

-inve

stig

atio

n.co

m

| w

ww

.gro

und-

inve

stig

atio

n.co

m

2.20

0.60

GroundInvestigation

PRELIM

INARY


Loose to medium dense yellow brown slightly clayey/silty slightly gravelly SANDwith low cobble content. Occasional organic pockets. Gravel is strong roundedto subrounded chert and dolomitic limestone, and extremely weak subroundedred sandstone. Cobbles are strong rounded dolomitic limestone.VALE OF YORK FORMATION...Becoming clayey/silty from ~0.50m depth.

Dense red SAND.SHERWOOD SANDSTONE GROUP



0.10-0.20 D-1

0.25 CBR @ 0.25m: 4-5%, loc >15%

0.40-0.50 D-2

0.50 CBR @ 0.50m: >15%

1.00 CBR @ 1.00m: >15%

1.40-1.50 D-3 1.40-1.50 B-4

0.30

0.65

1.00

1.30

1.90

(0.30)

(0.35)

(0.35)

(0.30)

(0.60)

Description


Legend

STRATA


WATER




General Remarks

DepthDepth



A

B

C

D

Hole ID





SA02T

012

75 8

7690

3 |

E s

outh

wes

t@gr

ound

-inve

stig

atio

n.co

m

| w

ww

.gro

und-

inve

stig

atio

n.co

m

2.30

0.60

GroundInvestigation

PRELIM

INARY

Brown slightly clayey/silty gravelly organic sand with low cobble content. Gravelis chert and dolomitic limestone. Cobbles are dolomitic limestone. Occasionalplant remains.MADE GROUND (Topsoil)

Loose to medium dense yellow brown slightly gravelly slightly clayey/silty locallyclayey/silty SAND with low cobble and boulder content. Gravel is strongrounded to subrounded chert and dolomitic limestone, and extremely weaksubrounded red sandstone. Cobbles and boulders are strong roundeddolomitic limestone.VALE OF YORK FORMATION...Becoming clayey/silty from ~0.55m depth.




0.10-0.20 D-1

0.25 CBR @ 0.25m: 5-6%, loc >15%

0.40-0.50 D-2

0.50 CBR @ 0.50m: >15%

0.90-1.00 D-3 0.90-1.00 B-4

1.00 CBR @ 1.00m: >15%

1.50-1.60 D-5

0.35

0.80

1.00

1.40

1.70

(0.35)

(0.45)

(0.20)

(0.40)

(0.30)

Description


Legend

STRATA


WATER




General Remarks

DepthDepth



A

B

C

D

Hole ID





SA03T

012

75 8

7690

3 |

E s

outh

wes

t@gr

ound

-inve

stig

atio

n.co

m

| w

ww

.gro

und-

inve

stig

atio

n.co

m

2.40

0.60

GroundInvestigation

PRELIM

INARY

Brown slightly clayey/silty gravelly organic sand with moderate cobble content.Gravel is chert and dolomitic limestone. Cobbles are dolomitic limestone.Occasional plant remains.MADE GROUND (Topsoil)

Loose to medium dense yellow brown slightly gravelly slightly clayey/silty locallyclayey/silty SAND with low cobble content. Gravel is strong rounded tosubrounded chert and dolomitic limestone, and extremely weak subroundedred sandstone. Cobbles are strong rounded grey dolomitic limestone.VALE OF YORK FORMATION

Loose to medium dense reddish brown gravelly clayey/silty SAND, tending togravelly sandy silty CLAY . Gravel is strong rounded chert and dolomiticlimestone, and extremely weak subrounded red sandstone.VALE OF YORK FORMATION



0.10-0.20 D-1

0.25 CBR @ 0.25m: 5-6%, loc >15%

0.40-0.50 D-2 0.40-0.50 B-3

0.50 CBR @ 0.50m: 4-5%, loc >15%

1.00 CBR @ 1.00m: 3-4%

1.10-1.20 D-4

0.30

0.90

2.10

2.40

2.70

(0.30)

(0.60)

(1.20)

(0.30)

(0.30)

Description


Legend

STRATA


WATER



1) All recorded strengths and densities based on visual observations and ease of excavation, where field tests have not been undertaken. Square bracketsindicate approximation within Made Ground.2) No obvious visual or olfactory evidence of mobile contaminants.3) Groundwater not encountered.4) Excavation terminated at 1.50m, and infiltration test undertaken. Excavation continued, following completion of infiltration test, to 2.70m, and backfilledfollowing completion.5) Trial pit sides generally stable throughout excavation and subsequent infiltration testing.6) Indicative CBR values indicated by Mexecone Penetrometer ('CBR').

General Remarks

DepthDepth



A

B

C

D

Hole ID





SA04T

012

75 8

7690

3 |

E s

outh

wes

t@gr

ound

-inve

stig

atio

n.co

m

| w

ww

.gro

und-

inve

stig

atio

n.co

m

2.30

0.60

GroundInvestigation

PRELIM

INARY


Loose to medium dense yellow brown slightly gravelly slightly clayey/silty locallyclayey/silty SAND with low cobble content. Gravel is strong rounded tosubrounded chert and dolomitic limestone, and extremely weak subroundedred sandstone. Cobbles are strong rounded grey dolomitic limestone.VALE OF YORK FORMATION

...Becoming clayey/silty from ~0.55m depth.




0.10-0.20 D-1

0.25 CBR @ 0.25m: 6-7%, loc >15%

0.40-0.50 D-2

0.50 CBR @ 0.50m: >15%

0.90-1.00 D-3 0.90-1.00 B-4

1.00 CBR @ 1.00m: >15%

0.30

0.70

1.30

1.70

2.10

(0.30)

(0.40)

(0.60)

(0.40)

(0.40)

Description


Legend

STRATA


WATER



1) All recorded strengths and densities based on visual observations and ease of excavation, where field tests have not been undertaken. Square bracketsindicate approximation within Made Ground.2) No obvious visual or olfactory evidence of mobile contaminants.3) Groundwater not encountered.4) Excavation terminated at 1.50m, and infiltration test undertaken. Excavation continued, following completion of infiltration test, to 2.10m, and backfilledfollowing completion.5) Trial pit sides generally stable throughout excavation and subsequent infiltration testing.6) Indicative CBR values indicated by Mexecone Penetrometer ('CBR').

General Remarks

DepthDepth



A

B

C

D

Hole ID





SA05T

012

75 8

7690

3 |

E s

outh

wes

t@gr

ound

-inve

stig

atio

n.co

m

| w

ww

.gro

und-

inve

stig

atio

n.co

m

2.30

0.60

GroundInvestigation

PRELIM

INARY

Brown slightly clayey/silty gravelly organic sand with low cobble content. Gravelis chert, red sandstone and dolomitic limestone. Cobbles are dolomiticlimestone. Occasional plant remains.MADE GROUND (Topsoil)

Medium dense yellow brown slightly clayey/silty gravelly SAND with low cobblecontent. Gravel is strong rounded to subrounded chert and dolomitic limestone,and extremely weak subrounded red sandstone. Cobbles are strong roundeddolomitic limestone.VALE OF YORK FORMATION




0.10-0.20 D-1

0.25 CBR @ 0.25m: 4-5%, loc >15%

0.40-0.50 D-2

0.50 CBR @ 0.50m: 10 - >15%

0.90-1.00 D-3 0.90-1.00 B-4

1.00 CBR @ 1.00m: >15%

1.40-1.50 D-5

0.30

0.60

1.00

1.30

1.70

(0.30)

(0.30)

(0.40)

(0.30)

(0.40)

Description


Legend

STRATA


WATER




General Remarks

DepthDepth



A

B

C

D

Hole ID





SA06T

012

75 8

7690

3 |

E s

outh

wes

t@gr

ound

-inve

stig

atio

n.co

m

| w

ww

.gro

und-

inve

stig

atio

n.co

m

2.30

0.60

GroundInvestigation

PRELIM

INARY

Brown slightly clayey/silty gravelly organic sand with moderate cobble content.Gravel is chert, red sandstone and dolomitic limestone. Cobbles are dolomiticlimestone. Occasional plant remains.MADE GROUND (Topsoil)

Loose to medium dense yellow brown slightly clayey/silty gravelly SAND withlow cobble content. Gravel is strong rounded to subrounded chert, redsandstone and dolomitic limestone, and extremely weak subrounded redsandstone. Cobbles are strong rounded dolomitic limestone.VALE OF YORK FORMATION

Medium dense yellow brown to reddish brown clayey/silty gravelly SAND,tending to gravelly sandy CLAY. Gravel is strong rounded to subrounded chertand dolomitic limestone.VALE OF YORK FORMATION



0.10-0.20 D-1

0.25 CBR @ 0.25m: 4-5%, loc >15%

0.50 CBR @ 0.50m: 4-5%, loc >15%

0.90-1.00 D-2 0.90-1.00 B-3

1.00 CBR @ 1.00m: 3-4%

1.80-1.90 D-4

0.40

1.10

1.60

1.75

1.90

(0.40)

(0.70)

(0.50)

(0.15)

(0.15)

Description


Legend

STRATA


WATER



1) All recorded strengths and densities based on visual observations and ease of excavation, where field tests have not been undertaken. Square bracketsindicate approximation within Made Ground.2) No obvious visual or olfactory evidence of mobile contaminants.3) Groundwater not encountered.4) Excavation terminated at 1.90m, and backfilled following completion.5) Trial pit sides generally stable throughout excavation.6) Indicative CBR values indicated by Mexecone Penetrometer ('CBR').

General Remarks

DepthDepth



A

B

C

D

Hole ID





TP01T

012

75 8

7690

3 |

E s

outh

wes

t@gr

ound

-inve

stig

atio

n.co

m

| w

ww

.gro

und-

inve

stig

atio

n.co

m

2.20

0.60

GroundInvestigation

PRELIM

INARY

Brown slightly clayey/silty gravelly organic sand with low cobble content. Gravelis chert, red sandstone and dolomitic limestone. Cobbles are dolomiticlimestone. Occasional plant remains.MADE GROUND (Topsoil)

Loose to medium dense yellow brown slightly clayey/silty locally clayey/siltygravelly SAND with low cobble content. Gravel is strong rounded tosubrounded chert and dolomitic limestone, and extremely weak subroundedred sandstone. Cobbles are strong rounded dolomitic limestone.VALE OF YORK FORMATION

Soft to firm yellow brown to red slightly gravelly very sandy silty CLAY, tendingto loose slightly gravelly clayey/silty SAND. Gravel is strong rounded tosubrounded chert and dolomitic limestone.VALE OF YORK FORMATION




0.10-0.20 D-1

0.25 CBR @ 0.25m: 4-5%, loc >15%

0.40-0.50 D-2

0.50 CBR @ 0.50m: 5-6%, loc >15%

1.00 CBR @ 1.00m: >15%

1.10-1.20 D-3 1.10-1.20 B-4

1.70-1.80 D-5

0.35

0.75

1.00

1.20

1.50

1.90

(0.35)

(0.40)

(0.25)

(0.20)

(0.30)

(0.40)

Description


Legend

STRATA


WATER




General Remarks

DepthDepth



A

B

C

D

Hole ID





TP02T

012

75 8

7690

3 |

E s

outh

wes

t@gr

ound

-inve

stig

atio

n.co

m

| w

ww

.gro

und-

inve

stig

atio

n.co

m

2.30

0.60

GroundInvestigation

PRELIM

INARY

Brown slightly clayey/silty gravelly organic sand with low cobble content. Gravelis chert and dolomitic limestone. Cobbles are dolomitic limestone. Occasionalplant remains.MADE GROUND (Topsoil)

Loose to medium dense yellow brown slightly clayey/silty locally clayey/siltygravelly SAND, with low cobble content. Occasional organic pockets. Gravel isstrong rounded to subrounded chert and dolomitic limestone, and extremelyweak subrounded red sandstone. Cobbles are strong rounded grey dolomiticlimestone.VALE OF YORK FORMATION




0.10-0.20 D-1

0.25 CBR @ 0.25m: 4-5%, loc >15%

0.40-0.50 D-2

0.50 CBR @ 0.50m: >15%

0.90-1.00 D-3

1.00 CBR @ 1.00m: >15%

1.40-1.50 B-4

0.30

0.60

1.40

1.60

1.95

(0.30)

(0.30)

(0.80)

(0.20)

(0.35)

Description


Legend

STRATA


WATER




General Remarks

DepthDepth



A

B

C

D

Hole ID





TP03T

012

75 8

7690

3 |

E s

outh

wes

t@gr

ound

-inve

stig

atio

n.co

m

| w

ww

.gro

und-

inve

stig

atio

n.co

m

2.30

0.60

GroundInvestigation

PRELIM

INARY

Brown slightly clayey/silty gravelly organic sand with moderate cobble content.Gravel is chert and dolomitic limestone. Cobbles are dolomitic limestone.Occasional plant remains.MADE GROUND (Topsoil)

Loose to medium dense yellow brown slightly clayey/silty locally clayey/siltygravelly SAND with low cobble content. Gravel is rounded to subrounded chert,red sandstone and dolomitic limestone. Cobbles are strong rounded greydolomitic limestone.VALE OF YORK FORMATION

Soft yellow brown to red brown gravelly sandy CLAY, tending to medium densegravelly clayey/silty SAND with low cobble content. Gravel is strong rounded tosubrounded chert and dolomitic limestone, and extremely weak subroundedred sandstone. Cobbles are strong rounded grey dolomitic limestone.VALE OF YORK FORMATION



0.10-0.20 D-1

0.25 CBR @ 0.25m: 4-5%, loc >15%

0.50 CBR @ 0.50m: 6-7%, loc >15%

0.90-1.00 D-2 0.90-1.00 B-3

1.00 CBR @ 1.00m: 8-9%, loc >15%

1.90-2.00 D-4

0.30

0.60

1.50

2.30

2.60

(0.30)

(0.30)

(0.90)

(0.80)

(0.30)

Description


Legend

STRATA


WATER




General Remarks

DepthDepth



A

B

C

D

Hole ID





TP04T

012

75 8

7690

3 |

E s

outh

wes

t@gr

ound

-inve

stig

atio

n.co

m

| w

ww

.gro

und-

inve

stig

atio

n.co

m

2.80

0.60

GroundInvestigation

PRELIM

INARY


Loose to medium dense yellow brown slightly clayey/silty locally clayey/siltygravelly SAND, tending to soft gravelly sandy silty CLAY with low cobblecontent. Gravel is strong rounded to subrounded chert and dolomitic limestone,and extremely weak subrounded red sandstone. Cobbles are strong roundedgrey dolomitic limestone.VALE OF YORK FORMATION

...Becoming clayey/silty from ~0.75m depth.



0.10-0.20 D-1

0.25 CBR @ 0.25m: >15%

0.50-0.60 D-2 0.50 CBR @ 0.50m: 5-6%, loc >15%

1.00 CBR @ 1.00m: >15%

1.40-1.50 D-3 1.40-1.50 B-4

0.40

0.90

1.50

1.90

(0.40)

(0.50)

(0.60)

(0.40)

Description


Legend

STRATA


WATER




General Remarks

DepthDepth



A

B

C

D

Hole ID





TP05T

012

75 8

7690

3 |

E s

outh

wes

t@gr

ound

-inve

stig

atio

n.co

m

| w

ww

.gro

und-

inve

stig

atio

n.co

m

2.20

0.60

GroundInvestigation

PRELIM

INARY

0.40

0.70

1.25

1.40

1.80

2.60

23/05/18 00:00 Dry 1028775

(0.40)

(0.30)

(0.55)

(0.40)

(0.80)

1.002.002.60

1.30 Slight Seepage


Loose yellow-brown to orange-brown slightly clayey/silty slightly gravelly SAND. Gravel is strong rounded tosubrounded chert and dolomitic limestone. Some brown organic infill.VALE OF YORK FORMATION

Firm red-brown sandy to very sandy gravelly silty CLAY. With presumed cobbles of dolomitic limestone. Gravel issubrounded to rounded dolomitic limestone, sandstone and chert. Occasional pockets of very clayey sand.VALE OF YORK FORMATION

Loose to medium dense light orange-brown SAND. Wet.VALE OF YORK FORMATIONFirm red-brown sandy to very sandy gravelly silty CLAY. With presumed cobbles of dolomitic limestone. Gravel issubrounded to rounded dolomitic limestone, sandstone and chert. Occasional pockets of very clayey sand.VALE OF YORK FORMATION

Extremely weak to very weak red SANDSTONE. Laminated to very thinly bedded. Recovered as sandy angularand tabular gravel sized fragments.SHERWOOD SANDSTONE GROUP

0.20-0.30 ES/1

0.80-0.90 D/2

1.00-1.45 S N=14 (2,2:3,3,4,4)

1.60-1.70 D/3

2.00-2.25 S N>50 (14,11:21,21,8/16mm)

2.30-2.40 D/4

2.45-2.73 S N>50 (12,13:21,22,7/23mm)

TimeDate

Backfill& Inst

StrikeDepth

WaterDepth


Diameter(mm)

Casing DiameterDepthSealedFlow Rate

Depth Depth(thick.)

PostStrikeDepth

ElapsedMinutes

Hole Diameter

Depth

1) All recorded strengths and densities based on visual observations and ease of excavation, where field tests have not been undertaken. Square brackets indicate approximation within Made Ground.2) No obvious visual or olfactory evidence of mobile contaminants.3) Recovered particle size controlled by diameter of sampling barrels within coarser grained materials or bands of rock. These materials may be fragmented by sample barrels.4) Slight groundwater seepage at 1.3m depth, borehole dry on completion of drilling.5) Borehole terminated at 2.6m depth and backfilled with arisings.

Description

Depth Diameter(mm)

Water StrikesBoring Progress and Water ObservationsCasingDepth

HoleDepth

General Remarks:

Type/ No

Water Legend

STRATA

Result / Remark

Continuous Percussion Borehole RecordP R E L I M I N A R Y D R A F T

Hole ID

Northing: 476,128.00 Elevation:Easting: 435,039.00

Method/Plant Used: Archway Competitor Sheet 1 of 1 (0.00m-5.00m)All dimensions in metres

Scale 1:25Start date: 23/05/18 End Date: 23/05/18 Logged By: EM


WS01T

012

75 8

769

03 |

E

sou

thw

est@

grou

nd-i

nves

tigat

ion.

com

|

ww

w.g

roun

d-in

vest

igat

ion.

com

GroundInvestigation

PRELIM

INARY

0.40

0.70

1.00

1.40

2.00

23/05/18 00:00 Dry 10287

(0.40)

(0.30)

(0.30)

(0.40)

(0.60)

1.002.00



Medium dense red slightly silty SAND. Locally laminated.SHERWOOD SANDSTONE GROUP

Very dense red slightly silty SAND. Locally laminated.SHERWOOD SANDSTONE GROUP

Extremely weak to very weak red SANDSTONE. Recovered as sandy angular and tabular gravel sized fragments.SHERWOOD SANDSTONE GROUP

0.10-0.20 ES/1

0.80-0.90 D/2

1.00-1.45 S N>50 (4,6:7,7,10,26/73mm)

1.70-1.80 D/3

2.00-2.23 S N>50 (6,16:41,9/4mm)

TimeDate

Backfill& Inst

StrikeDepth

WaterDepth


Diameter(mm)


Depth Depth(thick.)

PostStrikeDepth

ElapsedMinutes

Hole Diameter

Depth

1) All recorded strengths and densities based on visual observations and ease of excavation, where field tests have not been undertaken. Square brackets indicate approximation within Made Ground.2) No obvious visual or olfactory evidence of mobile contaminants.3) Recovered particle size controlled by diameter of sampling barrels within coarser grained materials or bands of rock. These materials may be fragmented by sample barrels.4) Groundwater not encountered.5) Borehole terminated at 2.0m depth and backfilled with arisings.

Description

Depth Diameter(mm)


HoleDepth

General Remarks:

Type/ No

Water Legend

STRATA

Result / Remark


Hole ID





WS02T

012

75 8

769

03 |

E

sou

thw

est@

grou

nd-i

nves

tigat

ion.

com

|

ww

w.g

roun

d-in

vest

igat

ion.

com

GroundInvestigation

PRELIM

INARY

0.30

1.20

1.70

2.30

2.60

24/05/18 00:00 Dry 1028775

(0.30)

(0.90)

(0.50)

(0.60)

(0.30)

1.002.002.60


Loose to medium dense yellow-brown to orange-brown slightly clayey/silty slightly gravelly SAND. Gravel is strongrounded to subrounded chert and dolomitic limestone. Some brown organic infill.VALE OF YORK FORMATION

Soft orange-brown to red-brown sandy slightly gravelly silty CLAY. Gravel is rounded to subrounded dolomiticlimestone and chert.VALE OF YORK FORMATION

Stiff to very stiff slightly gravelly silty CLAY. Gravel is subangular mudstone.SHERWOOD SANDSTONE GROUP

Extremely weak to very weak red laminated SANDSTONE. Recovered as sandy angular and tabular gravel sizedfragments.SHERWOOD SANDSTONE GROUP

0.10-0.20 ES/1

0.30-0.40 ES/2

1.00-1.45 S N=7 (1,2:2,2,1,2)

1.40-1.50 D/3

2.00-2.10 D/42.00-2.42 S N>50 (2,3:3,2,17,28/45mm)

2.60-2.67 S N>50 (25/35mm50/35mm)

TimeDate

Backfill& Inst

StrikeDepth

WaterDepth


Diameter(mm)


Depth Depth(thick.)

PostStrikeDepth

ElapsedMinutes

Hole Diameter

Depth


Description

Depth Diameter(mm)


HoleDepth

General Remarks:

Type/ No

Water Legend

STRATA

Result / Remark


Hole ID





WS03T

012

75 8

769

03 |

E

sou

thw

est@

grou

nd-i

nves

tigat

ion.

com

|

ww

w.g

roun

d-in

vest

igat

ion.

com

GroundInvestigation

PRELIM

INARY

0.30

1.60

2.60

3.60

3.90

4.00

23/05/18 00:00 Dry 102877565

(0.30)

(1.30)

(1.00)

(1.00)

(0.30)

1.002.003.004.00



Medium dense red slightly silty SAND. Locally laminated.SHERWOOD SANDSTONE GROUP

Medium dense red slightly silty SAND, with occasional laminations of sandy silty clay.SHERWOOD SANDSTONE GROUP


Extremely weak to very weak red-brown laminated MUDSTONE.SHERWOOD SANDSTONE GROUP

0.30-0.40 ES/1

1.00-1.45 S N=15 (1,2:2,4,4,5)

1.70-1.80 D/2

2.00-2.45 S N=20 (2,3:4,4,5,7)

2.70-2.80 D/3

3.00-3.45 S N=27 (2,5:6,6,7,8)

3.80-3.90 D/4

4.00-4.29 S N>50 (5,9:16,34/61mm)

TimeDate

Backfill& Inst

StrikeDepth

WaterDepth


Diameter(mm)


Depth Depth(thick.)

PostStrikeDepth

ElapsedMinutes

Hole Diameter

Depth


Description

Depth Diameter(mm)


HoleDepth

General Remarks:

Type/ No

Water Legend

STRATA

Result / Remark


Hole ID





WS04T

012

75 8

769

03 |

E

sou

thw

est@

grou

nd-i

nves

tigat

ion.

com

|

ww

w.g

roun

d-in

vest

igat

ion.

com

GroundInvestigation

PRELIM

INARY

0.30

0.70

1.50

1.80

24/05/18 00:00 Dry 10287

(0.30)

(0.40)

(0.80)

(0.30)

1.001.80



With pockets of clay towards base.

Dense red slightly silty SAND. Locally laminated.SHERWOOD SANDSTONE GROUP


0.30-0.40 ES/1

1.00-1.10 D/21.00-1.45 S N=34 (5,6:8,8,9,9)

1.60-1.70 D/3

1.80-1.87 S N>50 (25/20mm50/45mm)

TimeDate

Backfill& Inst

StrikeDepth

WaterDepth


Diameter(mm)


Depth Depth(thick.)

PostStrikeDepth

ElapsedMinutes

Hole Diameter

Depth


Description

Depth Diameter(mm)


HoleDepth

General Remarks:

Type/ No

Water Legend

STRATA

Result / Remark


Hole ID





WS05T

012

75 8

769

03 |

E

sou

thw

est@

grou

nd-i

nves

tigat

ion.

com

|

ww

w.g

roun

d-in

vest

igat

ion.

com

GroundInvestigation

PRELIM

INARY

0.40

0.60

1.40

1.60

2.00

24/05/18 00:00 Dry 10287

(0.40)

(0.20)

(0.80)

(0.20)

(0.40)

1.002.00


Loose yellow-brown to orange-brown slightly clayey/silty slightly gravelly SAND. Gravel is strong rounded tosubrounded chert and dolomitic limestone. Some brown organic infill.VALE OF YORK FORMATIONFirm yellow-brown and red-brown sandy to very sandy slightly gravelly silty CLAY, locally tending to very clayeySAND. With minor presumed cobbles of dolomitic limestone. Gravel is strong rounded to subrounded chert,dolomitic limestone and sandstone.VALE OF YORK FORMATION

Dense red slightly silty SAND.SHERWOOD SANDSTONE GROUP

Extremely weak to very weak redSANDSTONE. Laminated to thinly bedded. Recovered as sandy angular andtabular gravel sized fragments.SHERWOOD SANDSTONE GROUP

0.10-0.20 ES/1

0.70-0.80 D/2

1.00-1.45 S N=16 (1,1:1,1,4,10)

1.70-1.80 D/3

2.00-2.12 S N>50 (25/55mm50/60mm)

TimeDate

Backfill& Inst

StrikeDepth

WaterDepth


Diameter(mm)


Depth Depth(thick.)

PostStrikeDepth

ElapsedMinutes

Hole Diameter

Depth


Description

Depth Diameter(mm)


HoleDepth

General Remarks:

Type/ No

Water Legend

STRATA

Result / Remark


Hole ID





WS06T

012

75 8

769

03 |

E

sou

thw

est@

grou

nd-i

nves

tigat

ion.

com

|

ww

w.g

roun

d-in

vest

igat

ion.

com

GroundInvestigation

PRELIM

INARY

0.35

0.80

1.30

24/05/18 00:00 Dry 10287

(0.35)

(0.45)

(0.50)

1.001.30


Medium dense red slightly silty SAND.SHERWOOD SANDSTONE GROUP


0.10-0.20 ES/1

0.40-0.50 ES/2

0.90-1.00 D/3

1.00-1.23 S N>50 (17,8:50,/70mm)

1.30-1.38 S N>50 (25/40mm50/35mm)

TimeDate

Backfill& Inst

StrikeDepth

WaterDepth


Diameter(mm)


Depth Depth(thick.)

PostStrikeDepth

ElapsedMinutes

Hole Diameter

Depth


Description

Depth Diameter(mm)


HoleDepth

General Remarks:

Type/ No

Water Legend

STRATA

Result / Remark


Hole ID





WS07T

012

75 8

769

03 |

E

sou

thw

est@

grou

nd-i

nves

tigat

ion.

com

|

ww

w.g

roun

d-in

vest

igat

ion.

com

GroundInvestigation

PRELIM

INARY

0.30

0.70

2.40

2.70

3.70

22/05/18 00:00 Dry 1028775

(0.30)

(0.40)

(1.70)

(0.30)

(1.00)

1.002.003.00


Firm yellow-brown and red-brown sandy to very sandy slightly gravelly silty CLAY, locally tending to very clayeySAND. With presumed cobbles of dolomitic limestone. Gravel is strong rounded to subrounded chert, dolomiticlimestone and sandstone. Some brown organic infill.VALE OF YORK FORMATION

Soft red-brown sandy to very sandy gravelly silty CLAY. With presumed cobbles of dolomitic limestone. Gravel issubrounded to rounded dolomitic limestone, sandstone and chert. Occasional pockets of very clayey sand.VALE OF YORK FORMATION

Dense red slightly silty SAND.SHERWOOD SANDSTONE GROUP

Extremely weak becoming very weak red SANDSTONE. Recovered as sandy angular and tabular gravel sizedfragments.SHERWOOD SANDSTONE GROUP

0.10-0.20 ES/1

0.80-0.90 D/2

1.00-1.45 S N=6 (1,2:1,1,2,2)

1.80-1.90 D/3

2.00-2.45 S N=16 (1,1:1,2,3,10)

2.80-2.90 D/4

3.00-3.43 S N>50 (7,10:14,13,12,11/51mm)

3.50-3.60 D/5

3.70-3.87 S N>50 (25/70mm39,11/22mm)

TimeDate

Backfill& Inst

StrikeDepth

WaterDepth


Diameter(mm)


Depth Depth(thick.)

PostStrikeDepth

ElapsedMinutes

Hole Diameter

Depth


Description

Depth Diameter(mm)


HoleDepth

General Remarks:

Type/ No

Water Legend

STRATA

Result / Remark


Hole ID





WS08T

012

75 8

769

03 |

E

sou

thw

est@

grou

nd-i

nves

tigat

ion.

com

|

ww

w.g

roun

d-in

vest

igat

ion.

com

GroundInvestigation

PRELIM

INARY

0.30

0.40

0.75

1.35

22/05/18 00:00 Dry 10287

(0.30)

(0.35)

(0.60)

1.001.35


Loose yellow-brown to orange-brown slightly clayey/silty slightly gravelly SAND. Gravel is strong rounded tosubrounded chert and dolomitic limestone. Some brown organic infill.VALE OF YORK FORMATIONMedium dense red slightly silty SAND. Some brown organic infill.SHERWOOD SANDSTONE GROUP

Extremely weak to very weak red to purple laminated SANDSTONE. Recovered as sandy angular and tabulargravel sized fragments.SHERWOOD SANDSTONE GROUP

0.10-0.20 ES/1

0.50-0.60 D/2

1.00-1.10 D/31.00-1.27 S N>50 (10,15:26,24/65mm)

1.35-1.57 S N>50 (9,16:32,18/53mm)

TimeDate

Backfill& Inst

StrikeDepth

WaterDepth


Diameter(mm)


Depth Depth(thick.)

PostStrikeDepth

ElapsedMinutes

Hole Diameter

Depth


Description

Depth Diameter(mm)


HoleDepth

General Remarks:

Type/ No

Water Legend

STRATA

Result / Remark


Hole ID





WS09T

012

75 8

769

03 |

E

sou

thw

est@

grou

nd-i

nves

tigat

ion.

com

|

ww

w.g

roun

d-in

vest

igat

ion.

com

GroundInvestigation

PRELIM

INARY

0.30

0.40

0.70

0.90

1.45

22/05/18 00:00 Dry 10287

(0.30)

(0.30)

(0.20)

(0.55)

1.001.45


Loose yellow-brown to orange-brown slightly clayey/silty slightly gravelly SAND. Gravel is strong rounded tosubrounded chert and dolomitic limestone. Some brown organic infill.VALE OF YORK FORMATIONMedium dense red slightly silty SAND.SHERWOOD SANDSTONE GROUP

Dense to very dense red slightly gravelly slightly silty SAND. Gravel is subrounded very weak sandstone.SHERWOOD SANDSTONE GROUP

Extremely weak to very weak red to purple laminated SANDSTONE. Recovered as sandy angular and tabulargravel sized fragments.SHERWOOD SANDSTONE GROUP

0.10-0.20 ES/1

0.80-0.90 D/2

1.00-1.23 S N>50 (12,13:27,23/66mm)

1.30-1.40 D/3

1.45-1.64 S N>50 (20,5:33,17/32mm)

TimeDate

Backfill& Inst

StrikeDepth

WaterDepth


Diameter(mm)


Depth Depth(thick.)

PostStrikeDepth

ElapsedMinutes

Hole Diameter

Depth


Description

Depth Diameter(mm)


HoleDepth

General Remarks:

Type/ No

Water Legend

STRATA

Result / Remark


Hole ID





WS10T

012

75 8

769

03 |

E

sou

thw

est@

grou

nd-i

nves

tigat

ion.

com

|

ww

w.g

roun

d-in

vest

igat

ion.

com

GroundInvestigation

PRELIM

INARY

0.30

0.50

0.80

0.95

1.30

1.40

22/05/18 00:00 Dry 10287

(0.30)

(0.20)

(0.30)

(0.35)

1.001.40


Loose yellow-brown to orange-brown slightly clayey/silty slightly gravelly SAND. Gravel is strong rounded tosubrounded chert and dolomitic limestone. Some brown organic infill.VALE OF YORK FORMATIONMedium dense red slightly silty SAND.SHERWOOD SANDSTONE GROUP

Stiff red to purple sandy silty CLAY.SHERWOOD SANDSTONE GROUPDense to very dense red to purple slightly silty SAND.SHERWOOD SANDSTONE GROUP


0.20-0.30 ES/1

0.60-0.70 D/2

1.00-1.33 S N>50 (6,11:15,23,12/30mm)

1.20-1.30 D/3

1.40-1.50 S N>50 (25/45mm50/50mm)

TimeDate

Backfill& Inst

StrikeDepth

WaterDepth


Diameter(mm)


Depth Depth(thick.)

PostStrikeDepth

ElapsedMinutes

Hole Diameter

Depth


Description

Depth Diameter(mm)


HoleDepth

General Remarks:

Type/ No

Water Legend

STRATA

Result / Remark


Hole ID





WS11T

012

75 8

769

03 |

E

sou

thw

est@

grou

nd-i

nves

tigat

ion.

com

|

ww

w.g

roun

d-in

vest

igat

ion.

com

GroundInvestigation

PRELIM

INARY

0.40

0.70

1.00

1.85

2.50

22/05/18 00:00 Dry 10287

(0.40)

(0.30)

(0.30)

(0.85)

(0.65)

1.002.50



Firm yellow-brown and red-brown sandy to very sandy slightly gravelly silty CLAY, locally tending to very clayeySAND. With minor presumed cobbles of dolomitic limestone. Gravel is strong rounded to subrounded chert,dolomitic limestone and sandstone. Some brown organic infill.VALE OF YORK FORMATION



0.20-0.30 ES/1

0.50-0.60 D/2

1.00-1.45 S N=6 (2,1:2,1,1,2)

1.50-1.60 D/3

1.90-2.00 D/4

2.00-2.34 S N>50 (5,13:18,20,12/38mm)

2.50-2.73 S N>50 (15,10:23,27/69mm)

TimeDate

Backfill& Inst

StrikeDepth

WaterDepth


Diameter(mm)


Depth Depth(thick.)

PostStrikeDepth

ElapsedMinutes

Hole Diameter

Depth


Description

Depth Diameter(mm)


HoleDepth

General Remarks:

Type/ No

Water Legend

STRATA

Result / Remark


Hole ID





WS12T

012

75 8

769

03 |

E

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ww

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igat

ion.

com

GroundInvestigation

PRELIM

INARY

0.30

0.85

1.40

1.70

22/05/18 00:00 Dry 10287

(0.30)

(0.55)

(0.55)

(0.30)

1.001.70


Firm yellow-brown and red-brown sandy to very sandy slightly gravelly silty CLAY, locally tending to very clayeySAND. With low presumed cobble content of dolomitic limestone. Gravel is strong rounded to subrounded chert,dolomitic limestone and sandstone. Some brown organic infill.VALE OF YORK FORMATION

Medium dense, becoming dense red to purple slightly silty SAND.SHERWOOD SANDSTONE GROUP


0.10-0.20 ES/1

0.50-0.70 D/2

1.00-1.44 S N>48 (3,4:5,6,14,23/65mm)

1.10-1.20 D/3

1.70-1.78 S N>50 (25/30mm50/45mm)

TimeDate

Backfill& Inst

StrikeDepth

WaterDepth


Diameter(mm)


Depth Depth(thick.)

PostStrikeDepth

ElapsedMinutes

Hole Diameter

Depth


Description

Depth Diameter(mm)


HoleDepth

General Remarks:

Type/ No

Water Legend

STRATA

Result / Remark


Hole ID





WS13T

012

75 8

769

03 |

E

sou

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ww

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igat

ion.

com

GroundInvestigation

PRELIM

INARY

0.40

0.70

2.30

4.40

4.85

23/05/18 00:00 Dry 10287756555

(0.40)

(0.30)

(1.60)

(2.10)

(0.45)

1.002.003.004.004.85



Soft varying firm red-brown sandy to very sandy gravelly silty CLAY. With presumed cobbles of dolomitic limestone.Gravel is subrounded to rounded dolomitic limestone, sandstone and chert. Occasional pockets of very clayeysand.VALE OF YORK FORMATION

Very stiff, varying stiff red-brown sandy to very sandy gravelly silty CLAY. With minor presmued cobbles ofdolomitic limestone. Gravel is rounded to subrounded dolmitic limestone and red sandstone. Locally tending tovery clayey sand.VALE OF YORK FORMATION


0.10-0.20 ES/1

0.50-0.60 D/2

1.00-1.45 S N=7 (1,1:1,2,2,2)

1.50-1.60 D/3

2.00-2.45 S N=15 (2,2:2,2,4,7)

3.00-3.45 S N>50 (5,12:11,12,13,14/71mm)

3.70-3.80 D/4

4.00-4.45 S N>50 (7,8:10,7,7,26/73mm)

4.50-4.60 D/5

4.85-4.99 S N>50 (25/60mm48,2/0mm)

TimeDate

Backfill& Inst

StrikeDepth

WaterDepth


Diameter(mm)


Depth Depth(thick.)

PostStrikeDepth

ElapsedMinutes

Hole Diameter

Depth


Description

Depth Diameter(mm)


HoleDepth

General Remarks:

Type/ No

Water Legend

STRATA

Result / Remark


Hole ID





WS14T

012

75 8

769

03 |

E

sou

thw

est@

grou

nd-i

nves

tigat

ion.

com

|

ww

w.g

roun

d-in

vest

igat

ion.

com

GroundInvestigation

PRELIM

INARY

0.40

0.90

3.10

3.30

23/05/18 00:00 Dry 102877565

(0.40)

(0.50)

(2.20)

(0.20)

1.002.003.003.30


Loose to medium dense red-brown very clayey/silty slightly gravelly SAND. Gravel is roudned to subroundeddolomitic limestone and chert.VALE OF YORK FORMATION



0.10-0.20 ES/1

0.60-0.70 D/2

1.00-1.45 S N=7 (1,2:1,2,2,2)

2.00-2.45 S N=8 (2,1:2,2,2,2)

2.60-2.70 D/3

3.00-3.13 S N>50 (17/75mm50/53mm)

3.30-3.38 S N>50 (25/57mm50/27mm)

TimeDate

Backfill& Inst

StrikeDepth

WaterDepth


Diameter(mm)


Depth Depth(thick.)

PostStrikeDepth

ElapsedMinutes

Hole Diameter

Depth


Description

Depth Diameter(mm)


HoleDepth

General Remarks:

Type/ No

Water Legend

STRATA

Result / Remark


Hole ID





WS15T

012

75 8

769

03 |

E

sou

thw

est@

grou

nd-i

nves

tigat

ion.

com

|

ww

w.g

roun

d-in

vest

igat

ion.

com

GroundInvestigation

BRE DIGEST 365 SOIL INFILTRATION TEST

Junction 50, A1(M) Motorway Test Location: SA01

TEST PIT DIMENSIONS

Length Width Depth

2.20 m 0.60 m 1.90 m

Time Head Time Head Time Head

(min) (m) (min) (m) (min) (m)

0.00 0.550

4.00 0.540

22.00 0.520

48.00 0.500

82.00 0.480

189.00 0.440

271.00 0.415

- -

- -

- -

- -

- -

- -

- -

- -

- -

- -

- -

- -

- -

- -

- -

- -

- -

- -

2.66E-06

4.022

8,323

0.000002662

0.089

Observation

No.

3

TEST 3TEST 1 TEST 2

4

8

f (m/sec)

V p75-25 (m3)

a p50 (m2)

t p75-25 (sec)

25

24

9

10

11

12

13

14

Comments:

1) Only one test repetition undertaken, due to low infiltration rate.

15

16

17

23

18

19

20

21

22

5

6

7

1

2

Soil infiltration rate,

0.00

0.10

0.20

0.30

0.40

0.50

0.60

0 50 100 150 200 250 300

Head o

f W

ate

r (m

above b

ase o

f te

st

pit)

Time (mins)

TEST 1

0%

10%

20%

30%

40%

50%

60%

70%

80%

90%

100%

0 50 100 150 200 250 300

Head o

f W

ate

r (%

full)

Time (mins)

P1065 inf test results sa01.xlsx

Ground Investigationwww.ground-investigation.com



TEST PIT DIMENSIONS

Length Width Depth

2.30 m 0.60 m 1.90 m



0.00 0.610 0.00 0.720 0.00 0.590

29.00 0.480 6.00 0.690 3.00 0.580

63.00 0.360 25.00 0.610 19.00 0.530

110.00 0.240 50.00 0.530 - -

151.00 0.150 95.00 0.390 - -

- - 143.00 0.250 - -

- - 175.00 0.175 - -

- - - - - -

- - - - - -

- - - - - -

- - - - - -

- - - - - -

- - - - - -

- - - - - -

- - - - - -

- - - - - -

- - - - - -

- - - - - -

- - - - - -

- - - - - -

- - - - - -

- - - - - -

- - - - - -

- - - - - -

- - - - - -

Comments:

15

16

17

23

18

19

20

21

22

5

6

7

1

2

4

8

f (m/sec)

V p75-25 (m3)

a p50 (m2)

t p75-25 (sec)

25

24

9

10

11

12

13

14

Observation

No.

3

TEST 3TEST 1 TEST 2

0.041

4.628

576

0.000015530

1.95E-05 1.90E-05 1.55E-05

3.149

6,869

0.000019458

3.468

7,559

0.000018950

0.4970.421


0.00

0.10

0.20

0.30

0.40

0.50

0.60

0.70

0.80

0 50 100 150 200

Head o

f W

ate

r (m

above b

ase o

f te

st

pit)

Time (mins)

TEST 1

TEST 2

TEST 3

0%

10%

20%

30%

40%

50%

60%

70%

80%

90%

100%

0 20 40 60 80 100 120 140 160 180 200

Head o

f W

ate

r (%

full)

Time (mins)





TEST PIT DIMENSIONS

Length Width Depth

2.40 m 0.60 m 1.70 m



0.00 0.520

60.00 0.480

91.00 0.465

149.00 0.440

212.00 0.420

268.00 0.405

356.00 0.385

- -

- -

- -

- -

- -

- -

- -

- -

- -

- -

- -

- -

- -

- -

- -

- -

- -

- -

Comments:


15

16

17

23

18

19

20

21

22

5

6

7

1

2

4

8

f (m/sec)

V p75-25 (m3)

a p50 (m2)

t p75-25 (sec)

25

24

9

10

11

12

13

14

Observation

No.

3

TEST 3TEST 1 TEST 2

2.35E-06

4.155

9,962

0.000002348

0.097


0.00

0.10

0.20

0.30

0.40

0.50

0.60

0 50 100 150 200 250 300 350 400

Head o

f W

ate

r (m

above b

ase o

f te

st

pit)

Time (mins)

TEST 1

0%

10%

20%

30%

40%

50%

60%

70%

80%

90%

100%

0 50 100 150 200 250 300 350 400

Head o

f W

ate

r (%

full)

Time (mins)





TEST PIT DIMENSIONS

Length Width Depth

2.30 m 0.60 m 1.50 m



0.00 0.520

3.00 0.515

10.00 0.510

56.00 0.490

142.00 0.455

264.00 0.410

315.00 0.395

- -

- -

- -

- -

- -

- -

- -

- -

- -

- -

- -

- -

- -

- -

- -

- -

- -

- -

Comments:


15

16

17

23

18

19

20

21

22

5

6

7

1

2

4

8

f (m/sec)

V p75-25 (m3)

a p50 (m2)

t p75-25 (sec)

25

24

9

10

11

12

13

14

Observation

No.

3

TEST 3TEST 1 TEST 2

2.22E-06

4.034

9,652

0.000002215

0.086


0.00

0.10

0.20

0.30

0.40

0.50

0.60

0 50 100 150 200 250 300 350

Head o

f W

ate

r (m

above b

ase o

f te

st

pit)

Time (mins)

TEST 1

0%

10%

20%

30%

40%

50%

60%

70%

80%

90%

100%

0 50 100 150 200 250 300 350

Head o

f W

ate

r (%

full)

Time (mins)





TEST PIT DIMENSIONS

Length Width Depth

2.30 m 0.60 m 1.50 m



0.00 0.480

3.00 0.465

15.00 0.450

63.00 0.400

115.00 0.360

213.00 0.305

284.00 0.270

- -

- -

- -

- -

- -

- -

- -

- -

- -

- -

- -

- -

- -

- -

- -

- -

- -

- -

Comments:


15

16

17

23

18

19

20

21

22

5

6

7

1

2

4

8

f (m/sec)

V p75-25 (m3)

a p50 (m2)

t p75-25 (sec)

25

24

9

10

11

12

13

14

Observation

No.

3

TEST 3TEST 1 TEST 2

4.68E-06

3.555

8,713

0.000004678

0.145


0.00

0.10

0.20

0.30

0.40

0.50

0.60

0 50 100 150 200 250 300

Head o

f W

ate

r (m

above b

ase o

f te

st

pit)

Time (mins)

TEST 1

0%

10%

20%

30%

40%

50%

60%

70%

80%

90%

100%

0 50 100 150 200 250 300

Head o

f W

ate

r (%

full)

Time (mins)





TEST PIT DIMENSIONS

Length Width Depth

2.30 m 0.60 m 1.70 m



0.00 0.590 0.00 0.490

5.00 0.560 3.00 0.480

28.00 0.490 14.00 0.455

56.00 0.420 38.00 0.410

106.00 0.330 - -

195.00 0.180 - -

218.00 0.145 - -

- - - -

- - - -

- - - -

- - - -

- - - -

- - - -

- - - -

- - - -

- - - -

- - - -

- - - -

- - - -

- - - -

- - - -

- - - -

- - - -

- - - -

- - - -

1.30E-05 1.16E-05

3.091

10,161

0.000012961

3.990

1,196

0.000011567

0.0550.407

Observation

No.

3

TEST 3TEST 1 TEST 2

4

8

f (m/sec)

V p75-25 (m3)

a p50 (m2)

t p75-25 (sec)

25

24

9

10

11

12

13

14

Comments:

1) Only two test repetitions undertaken, due to low infiltration rate.

15

16

17

23

18

19

20

21

22

5

6

7

1

2


0.00

0.10

0.20

0.30

0.40

0.50

0.60

0.70

0 50 100 150 200 250

Head o

f W

ate

r (m

above b

ase o

f te

st

pit)

Time (mins)

TEST 1

TEST 2

0%

10%

20%

30%

40%

50%

60%

70%

80%

90%

100%

0 50 100 150 200 250

Head o

f W

ate

r (%

full)

Time (mins)



Approximate boundary of crops

'Fallow' strips c. 6 m wide

Ground InvestigationUnit 3 Westfield Court, Barns Ground, Kenn

Clevedon, BS21 6FQTEL: 01275 876903 | FAX: 01275 879662

www.ground-investigation.com

Exploratory hole positions

Existing Topography

MSA Baldersby Gate

Moto Hospitality Limited

P1065

P1065-01.FIG1.DWGFilename:

1:2,000 (at A3 size)Scale:Project No:

Client:

Site: FIGURE 1

KEY

Window Sampler Borehole

Trial Pit

Trial Pit with Soakaway Test

Documents

Ripon Motorway Service Area - Harrogate