TP01

TP02

TP03TP04

TP05

TP01a

TP03a

TP03b

TP04a

N

Revision history

Rev Date

Drawing No :

Drawing Title :

Website: www.harrisongroupuk.comEmail: info@harrisongroupuk.com

Key :

Scale :

Client :

Project :

Eastings : Northings :

Job No : Date :

Drawn by : Checked by :

Certificate Number 5933ISO 9001, ISO 14001

4031

Reproduced by permission of Ordnance Survey on behalf of The Controller ofHer Majesty's Stationery Office © Crown Copyright Harrison Group

Environmental Ltd., Kimberley Street, Norwich, NR2 2RJ. AL100021199

Revision history

Rev Date Revision Data

Notes :

Norwich: 01603 613111 London: 020 7537 9233Cambridge: 01223 781585 Laboratory: 01603 416333

Rossi Long Consulting Ltd

Land off of Brundall Road, Brundall

GN21496 October 2017

Fieldwork Location Plan

GN21496 - DR002

1:1000 @ A3

RW EO

633060 308740

TP01

Foul Water Sewer

Overhead Utilities

Machine Excavated Trial Pit with Soakaway Test

Project Id: GN21496Project Title: Land off of Brundall Road, BrundallLocation: Brundall Road, BrundallClient: Rossi Long Consulting Ltd

Title: Section line 1Vertical Scale: 1:66Horizontal Scale: 1:1493Engineer: EO

12 12

11 11

10 10

9 9

8 8

7 7

6 6

5 5

4 4

3 3

Chainage (m)

Elevation (mAOD)

0.00 11.81 48.0749.4655.56 90.2191.49 141.15 261.94265.76 276.33

11.14 7.977.99 7.58 7.827.87 5.32 4.644.53

2.00

Legend KeyTOPSOIL

Sandy Gravelly SILT

Silty Gravelly SAND

Clayey Silty Gravelly SAND

MADE GROUND

Silty Sandy CLAY

Clayey Silty SAND

SAND

Silty Sandy GRAVEL

Sandy GRAVEL

GRAVEL

TP05TOPSOIL

CRAG GROUPCRAG GROUP

TP03aTOPSOIL

CRAG GROUP

CRAG GROUP

CRAG GROUP

TP03TOPSOIL

CRAG GROUP

CRAG GROUP

CRAG GROUP

CRAG GROUP

TP03bTOPSOIL

CRAG GROUP

CRAG GROUP

CRAG GROUP

CRAG GROUP

CRAG GROUP

TP04aTOPSOILMADE GROUNDCRAG GROUP

TP04TOPSOILMADE GROUNDCRAG GROUP

CRAG GROUP

TP02TOPSOIL

TP01aMADE GROUNDMADE GROUNDMADE GROUND

MADE GROUND

MADE GROUND

TP01MADE GROUND

Geological Descrip on

GRAVEL of ne to coarse subangular to subrounded int over asphalt.[MADE GROUND]

Trial pit terminated at 0.05m: Asphalt encountered beneath gravel.

Legend Depth

0.05

Eleva on(maOD)

4.534.48

Sample / In-Situ Test Informa on

Type Depth Results / Remarks

Installa on & Back ll

Trial Pit Record TP01 Sheet 1 of 1

Project ID: GN21496 Client: Rossi Long Consul ng Ltd E: 633192.34 N: 308801.54

Loca on: Land o of Brundall Road, Brundall Consultant:

Plant used: JCB 3CX Date: 30/10/2017

Weather:

Pit Stability:

Dry and Cloudy

Stable

RemarksShoring Used:

Pit Dimensions: L: 1.40m x W: 0.45m

Norwich O ce:London O ce:

Cambridge O ce:Tes ng Services:

01603 613111020 7537 923301223 78158501603 416333

E-mail: info@harrisongroupuk.comWebsite: www.harrisongroupuk.com

1. Trial pit terminated at 0.05m due to presence of asphalt.2. Back ll: GL to 0.05m arisings.

Logged by: AW Checked by: EO Fm-Hn-R-3069-Rev C

Water StrikeDate Strike Depth (m) Time Elapsed (mins) Standing Level (m) Remarks

Groundwater was not encountered.

Geological Descrip on

MADE GROUND (Brown slightly silty gravelly ne to coarse SAND. Gravel is angular to rounded ne to coarse int. Rootlets present).[MADE GROUND]MADE GROUND (Light yellowish brown slightly silty sandy GRAVEL of ne to coarse subangular concrete and medium to coarse subangular to angular int).[MADE GROUND]MADE GROUND (Grey slightly gravelly clayey SILT. Gravel is ne to coarse subangular to angular clinker, granite and brick).[MADE GROUND]At 0.35m: Geotextile membrane present.MADE GROUND (Dark greyish brown slightly gravelly silty ne to coarse SAND. Gravel is ne to coarse subangular to angular int with occasional granite).[MADE GROUND]

MADE GROUND (Dark grey slightly gravelly silty sandy CLAY. Gravel is ne to coarse ne to coarse subangular to angular int wit occasional plas c, string and cloth. Occasional pockets of black peat present).[MADE GROUND]

Trial pit terminated at 2.00m.

Legend Depth

0.15

0.35

0.80

1.80

2.00

Eleva on(maOD)

4.64

4.49

4.29

3.84

2.84

2.64

Sample / In-Situ Test Informa on

Type Depth Results / Remarks

Installa on & Back ll

Trial Pit Record TP01a Sheet 1 of 1

Project ID: GN21496 Client: Rossi Long Consul ng Ltd E: 633190.22 N: 308798.15

Loca on: Land o of Brundall Road, Brundall Consultant:

Plant used: JCB 3CX Date: 30/10/2017

Weather:

Pit Stability:

Dry and Cloudy

Stable

RemarksShoring Used:

Pit Dimensions: L: 1.40m x W: 0.45m

Norwich O ce:London O ce:

Cambridge O ce:Tes ng Services:

01603 613111020 7537 923301223 78158501603 416333

E-mail: info@harrisongroupuk.comWebsite: www.harrisongroupuk.com

1. Back ll: GL to 0.80m arisings, 0.80m to 2.00m gravel.

Logged by: AW Checked by: EO Fm-Hn-R-3069-Rev C

Water StrikeDate Strike Depth (m) Time Elapsed (mins) Standing Level (m) Remarks

2.00

Geological Descrip on

Grass over TOPSOIL (Light brown slightly silty gravelly ne to coarse SAND. Gravel is ne to medium subangular int. Occasional rootlets present).[TOPSOIL]Orangish greyish brown silty sandy GRAVEL of ne to coarse subangular to subrounded int with rare chalk.[MARINE BEACH DEPOSITS - SAND & GRAVEL]Orangish brown sandy GRAVEL of ne to coarse angular to rounded int and ne to coarse subrounded int.[MARINE BEACH DEPOSITS - SAND & GRAVEL]

From 1.20m: Occasional flint cobbles present.

Trial pit terminated at 1.75m.

Legend Depth

0.25

0.55

1.75

Eleva on(maOD)

5.32

5.07

4.77

3.57

Sample / In-Situ Test Informa on

Type Depth Results / Remarks

Installa on & Back ll

Trial Pit Record TP02 Sheet 1 of 1

Project ID: GN21496 Client: Rossi Long Consul ng Ltd E: 633047.27 N: 308778.71

Loca on: Land o of Brundall Road, Brundall Consultant:

Plant used: JCB 3CX Date: 30/10/2017

Weather:

Pit Stability:

Dry and Cloudy

Stable

RemarksShoring Used:

Pit Dimensions: L: 1.45m x W: 0.40m

Norwich O ce:London O ce:

Cambridge O ce:Tes ng Services:

01603 613111020 7537 923301223 78158501603 416333

E-mail: info@harrisongroupuk.comWebsite: www.harrisongroupuk.com

1. Back ll: GL to 0.25m arisings, 0.25m to 1.75m gravel.

Logged by: AW Checked by: EO Fm-Hn-R-3069-Rev C

Water StrikeDate Strike Depth (m) Time Elapsed (mins) Standing Level (m) Remarks

Groundwater was not encountered.

Geological Descrip on

TOPSOIL (Light brown slightly clayey slightly silty slightly gravelly ne to coarse SAND. Gravel is medium angular to subangular int).

[TOPSOIL]Orangish brown slightly gravelly silty very clayey ne to coarse SAND. Gravel is ne to coarse angular to subrounded int.[CRAG GROUP]Grey mo led orangish brown silty sandy CLAY. Occasional pockets of brown silty sand present.[CRAG GROUP]Orangish grey mo led brown slightly silty slightly gravelly medium to coarse SAND. Gravel is ne to medium subangular to subrounded int.[CRAG GROUP]From 1.20m: Becoming clayey with occasional pockets of sandy clay present.

Dark orange mo led grey silty sandy CLAY.[CRAG GROUP]

Trial pit terminated at 2.00m.

Legend Depth

0.20

0.50

0.90

1.60

2.00

Eleva on(maOD)

7.99

7.79

7.49

7.09

6.39

5.99

Sample / In-Situ Test Informa on

Type Depth Results / Remarks

Installa on & Back ll

Trial Pit Record TP03 Sheet 1 of 1

Project ID: GN21496 Client: Rossi Long Consul ng Ltd E: 633007.92 N: 308684.08

Loca on: Land o of Brundall Road, Brundall Consultant:

Plant used: JCB 3CX Date: 30/10/2017

Weather:

Pit Stability:

Dry and Cloudy

Stable

RemarksShoring Used:

Pit Dimensions: L: 1.50m x W: 0.40m

Norwich O ce:London O ce:

Cambridge O ce:Tes ng Services:

01603 613111020 7537 923301223 78158501603 416333

E-mail: info@harrisongroupuk.comWebsite: www.harrisongroupuk.com

1. Back ll: GL to 0.50m arisings, 0.50m to 2.00m gravel.

Logged by: AW Checked by: EO Fm-Hn-R-3069-Rev C

Water StrikeDate Strike Depth (m) Time Elapsed (mins) Standing Level (m) Remarks

1.60 Damp from 0.90m and seepage encountered at 1.60m.

Geological Descrip on

TOPSOIL (Light brown slightly clayey slightly silty slightly gravelly ne to coarse SAND. Gravel is medium angular to subangular int).

[TOPSOIL]Orangish brown slightly gravelly silty very clayey ne to coarse SAND. Gravel is ne to coarse angular to subrounded int.[CRAG GROUP]Grey mo led orangish brown silty sandy CLAY. Occasional pockets of brown silty sand present.[CRAG GROUP]Orangish grey mo led brown slightly silty slightly gravelly medium to coarse SAND. Gravel is ne to medium subangular to subrounded int.[CRAG GROUP]

Trial pit terminated at 1.50m.

Legend Depth

0.20

0.60

0.90

1.50

Eleva on(maOD)

7.97

7.77

7.37

7.07

6.47

Sample / In-Situ Test Informa on

Type Depth Results / Remarks

Installa on & Back ll

Trial Pit Record TP03a Sheet 1 of 1

Project ID: GN21496 Client: Rossi Long Consul ng Ltd E: 633005.80 N: 308684.41

Loca on: Land o of Brundall Road, Brundall Consultant:

Plant used: JCB 3CX Date: 30/10/2017

Weather:

Pit Stability:

Dry and Cloudy

Stable

RemarksShoring Used:

Pit Dimensions: L: 1.50m x W: 0.40m

Norwich O ce:London O ce:

Cambridge O ce:Tes ng Services:

01603 613111020 7537 923301223 78158501603 416333

E-mail: info@harrisongroupuk.comWebsite: www.harrisongroupuk.com

1. Back ll: GL to 0.50m arisings, 0.50m to 1.50m gravel.

Logged by: AW Checked by: EO Fm-Hn-R-3069-Rev C

Water StrikeDate Strike Depth (m) Time Elapsed (mins) Standing Level (m) Remarks

1.40 Seepage encountered at 1.40m.

Geological Descrip on

TOPSOIL (Light brown slightly clayey slightly silty slightly gravelly ne to coarse SAND. Gravel is medium angular to subangular int).

[TOPSOIL]Orangish brown slightly gravelly silty very clayey ne to coarse SAND. Gravel is ne to coarse angular to subrounded int.[CRAG GROUP]Grey mo led orangish brown silty sandy CLAY. Occasional pockets of brown silty sand present.[CRAG GROUP]Orangish brown mo led grey slightly silty slightly gravelly medium to coarse SAND. Gravel is ne to medium subangular to subrounded int.[CRAG GROUP]

Dark orange mo led grey silty sandy CLAY.[CRAG GROUP]

Orangish brown ne to coarse SAND. Rare gravel of medium subrounded int present.[CRAG GROUP]

Trial pit terminated at 3.70m.

Legend Depth

0.20

0.50

0.90

1.60

2.00

3.70

Eleva on(maOD)

7.58

7.38

7.08

6.68

5.98

5.58

3.88

Sample / In-Situ Test Informa on

Type Depth Results / Remarks

Installa on & Back ll

Trial Pit Record TP03b Sheet 1 of 1

Project ID: GN21496 Client: Rossi Long Consul ng Ltd E: 633009.93 N: 308691.08

Loca on: Land o of Brundall Road, Brundall Consultant:

Plant used: JCB 3CX Date: 30/10/2017

Weather:

Pit Stability:

Dry and Cloudy

Stable

RemarksShoring Used:

Pit Dimensions: L: 1.90m x W: 0.45m

Norwich O ce:London O ce:

Cambridge O ce:Tes ng Services:

01603 613111020 7537 923301223 78158501603 416333

E-mail: info@harrisongroupuk.comWebsite: www.harrisongroupuk.com

1. Back ll: GL to 0.20m arisings, 0.20m to 3.70m gravel.

Logged by: AW Checked by: EO Fm-Hn-R-3069-Rev C

Water StrikeDate Strike Depth (m) Time Elapsed (mins) Standing Level (m) Remarks

Groundwater was not encountered.

Geological Descrip on

TOPSOIL (Light brown slightly clayey slightly gravelly silty ne to coarse SAND. Gravel is ne to medium angular to rounded int. Rootlets present).[TOPSOIL]MADE GROUND (Orangish brown mo led grey slightly gravelly clayey SILT. Gravel is ne to medium angular to rounded int and rare po ery).[MADE GROUND]Orangish brown clayey silty gravelly ne to medium SAND. Gravel is ne to coarse angular to subrounded int. Occasional pockets of sandy silt present.[CRAG GROUP]

Light grey slightly silty slightly sandy CLAY. Frequent pockets of orangish medium sand present.[CRAG GROUP]

Trial pit terminated at 2.00m.

Legend Depth

0.15

0.40

1.40

2.00

Eleva on(maOD)

7.87

7.72

7.47

6.47

5.87

Sample / In-Situ Test Informa on

Type Depth Results / Remarks

Installa on & Back ll

Trial Pit Record TP04 Sheet 1 of 1

Project ID: GN21496 Client: Rossi Long Consul ng Ltd E: 633062.79 N: 308684.93

Loca on: Land o of Brundall Road, Brundall Consultant:

Plant used: JCB 3CX Date: 30/10/2017

Weather:

Pit Stability:

Dry and Cloudy

Stable

RemarksShoring Used:

Pit Dimensions: L: 1.80m x W: 0.40m

Norwich O ce:London O ce:

Cambridge O ce:Tes ng Services:

01603 613111020 7537 923301223 78158501603 416333

E-mail: info@harrisongroupuk.comWebsite: www.harrisongroupuk.com

1. Back ll: GL to 2.00m arisings.

Logged by: AW Checked by: EO Fm-Hn-R-3069-Rev C

Water StrikeDate Strike Depth (m) Time Elapsed (mins) Standing Level (m) Remarks

1.40 Seepage encountered at 1.40m.

Geological Descrip on

TOPSOIL (Light brown slightly clayey slightly gravelly silty ne to coarse SAND. Gravel is ne to medium angular to rounded int. Rootlets present).[TOPSOIL]MADE GROUND (Orangish brown mo led grey slightly gravelly clayey SILT. Gravel is ne to medium angular to rounded int and rare po ery).[MADE GROUND]Orangish brown clayey silty gravelly ne to medium SAND. Gravel is ne to coarse angular to subrounded int. Occasional pockets of sandy silt present.[CRAG GROUP]

Trial pit terminated at 1.40m.

Legend Depth

0.15

0.40

1.40

Eleva on(maOD)

7.82

7.67

7.42

6.42

Sample / In-Situ Test Informa on

Type Depth Results / Remarks

Installa on & Back ll

Trial Pit Record TP04a Sheet 1 of 1

Project ID: GN21496 Client: Rossi Long Consul ng Ltd E: 633061.31 N: 308684.68

Loca on: Land o of Brundall Road, Brundall Consultant:

Plant used: JCB 3CX Date: 30/10/2017

Weather:

Pit Stability:

Dry and Cloudy

Stable

RemarksShoring Used:

Pit Dimensions: L: 1.40m x W: 0.40m

Norwich O ce:London O ce:

Cambridge O ce:Tes ng Services:

01603 613111020 7537 923301223 78158501603 416333

E-mail: info@harrisongroupuk.comWebsite: www.harrisongroupuk.com

1. Back ll: GL to 0.40m arisings, 0.40m to 1.40m gravel.

Logged by: AW Checked by: EO Fm-Hn-R-3069-Rev C

Water StrikeDate Strike Depth (m) Time Elapsed (mins) Standing Level (m) Remarks

1.00 Seepage encountered at 1.00m.

Geological Descrip on

TOPSOIL (Dark brown slightly clayey slightly gravelly silty ne to coarse SAND. Gravel is ne to medium subangular to rounded

int).[TOPSOIL]Dark greyish brown slightly gravelly sandy SILT. Gravel is ne to coarse subangular to subrounded int.[CRAG GROUP]Dark orangish brown slightly silty gravelly ne to coarse SAND. Gravel is ne to coarse subangular to subrounded int.[CRAG GROUP]From 0.95m: Becoming yellowish brown.

Trial pit terminated at 1.90m.

Legend Depth

0.20

0.45

1.90

Eleva on(maOD)11.14

10.94

10.69

9.24

Sample / In-Situ Test Informa on

Type Depth Results / Remarks

Installa on & Back ll

Trial Pit Record TP05 Sheet 1 of 1

Project ID: GN21496 Client: Rossi Long Consul ng Ltd E: 633001.83 N: 308633.60

Loca on: Land o of Brundall Road, Brundall Consultant:

Plant used: JCB 3CX Date: 30/10/2017

Weather:

Pit Stability:

Dry and Cloudy

Stable

RemarksShoring Used:

Pit Dimensions: L: 1.30m x W: 0.40m

Norwich O ce:London O ce:

Cambridge O ce:Tes ng Services:

01603 613111020 7537 923301223 78158501603 416333

E-mail: info@harrisongroupuk.comWebsite: www.harrisongroupuk.com

1. Back ll: GL to 0.45m arisings, 0.45m to 1.90m gravel.

Logged by: AW Checked by: EO Fm-Hn-R-3069-Rev C

Water StrikeDate Strike Depth (m) Time Elapsed (mins) Standing Level (m) Remarks

Groundwater was not encountered.

 E: 

Fm‐Hn‐R‐3064‐Rev B Operator: AW  Checked by: EO  Approved by: EO

E‐mail: info@harrisongroupuk.com

Website: www.harrisongroupuk.com

Test in accordance with

BRE DG 365 Revised 2016

Weather conditions:

Dry and Cloudy

Dip MeterNorwich Office:

London Office:

Cambridge Office:

Testing Services:

01603 613111

020 7537 9233

01223 781585

01603 416333

Water measuring device: Remarks:

Fill Porosity: 30% Test Duration (hh:mm): 02:26Soakaway

Construction:

Vertical sides trimmed square with granular fill and 

observation tube

1.40 0.45 2.00 2.00

Pit Dimensions

Length (m) Width (m) Depth at Start of Test (m) Depth at End of Test (m)

Soil Infiltration Rate: 2.77E‐5 m/second

31/10/2017

 Location: Land off of Brundall Road, Brundall

Infilling 1  Test Date: 

 Consultant:  Ground Level: 4.64

308798.15 Project ID: GN21496  Client: Rossi Long Consulting Ltd 633190.22 N: 

Soakaway TestLocation ID  ‐  Test Number

TP01a

Max. effective storage depth

75% full

50% full

25% full

Empty

0.00

0.50

1.00

1.50

2.00

2.50

0 1000 2000 3000 4000 5000 6000 7000 8000 9000 10000

Depth below ground surface (m

)

Time (Seconds)

 E: 

EO Fm‐Hn‐R‐3064‐Rev B Operator: AW  Checked by: EO  Approved by:

E‐mail: info@harrisongroupuk.com

Website: www.harrisongroupuk.com

Test in accordance with

BRE DG 365 Revised 2016

Weather conditions:

Dry and Cloudy

Remarks:

Dip MeterNorwich Office:

London Office:

Cambridge Office:

Testing Services:

01603 613111

020 7537 9233

01223 781585

01603 416333

Water measuring device:

Fill Porosity: 30% Test Duration (hh:mm): 02:21Soakaway

Construction:

Vertical sides trimmed square with granular fill and 

observation tube

0.45 2.00 2.00

Depth at End of Test (m)

1.40

Pit Dimensions

Length (m) Width (m) Depth at Start of Test (m)

Soil Infiltration Rate: 1.76E‐5 m/second

Infilling 2  Test Date:  31/10/2017

 Location: Land off of Brundall Road, Brundall  Ground Level: 4.64 Consultant:

N:  308798.15 Project ID: GN21496  Client: Rossi Long Consulting Ltd 633190.22

Soakaway TestLocation ID  ‐  Test Number

TP01a

Max. effective storage depth

75% full

50% full

25% full

Empty

0.00

0.50

1.00

1.50

2.00

2.50

0 1000 2000 3000 4000 5000 6000 7000 8000 9000

Depth below ground surface (m

)

Time (Seconds)

 E: 

 Approved by: EO Fm‐Hn‐R‐3064‐Rev B Operator: AW  Checked by: EO

E‐mail: info@harrisongroupuk.com

Website: www.harrisongroupuk.com

Test in accordance with

BRE DG 365 Revised 2016

Weather conditions:

Dry and Cloudy

Norwich Office:

London Office:

Cambridge Office:

Testing Services:

01603 613111

020 7537 9233

01223 781585

01603 416333

Water measuring device: Remarks:

Dip Meter

Test Duration (hh:mm): 02:47Soakaway

Construction:

Vertical sides trimmed square with granular fill and 

observation tube

2.00

Fill Porosity: 30%

1.40 0.45 2.00

Length (m) Width (m) Depth at Start of Test (m) Depth at End of Test (m)

Pit Dimensions

31/10/2017

Soil Infiltration Rate: 1.46E‐5 m/second

Infilling 3  Test Date: 

 Ground Level: 4.64 Location: Land off of Brundall Road, Brundall  Consultant:

633190.22 N:  308798.15 Project ID: GN21496  Client: Rossi Long Consulting Ltd

Soakaway TestLocation ID  ‐  Test Number

TP01a

Max. effective storage depth

75% full

50% full

25% full

Empty

0.00

0.50

1.00

1.50

2.00

2.50

0 2000 4000 6000 8000 10000 12000

Depth below ground surface (m

)

Time (Seconds)

 E: 

Fm‐Hn‐R‐3064‐Rev B Operator: AW  Checked by: EO  Approved by: EO

E‐mail: info@harrisongroupuk.com

Website: www.harrisongroupuk.com

Test in accordance with

BRE DG 365 Revised 2016

Weather conditions:

Dry and Cloudy

Dip MeterNorwich Office:

London Office:

Cambridge Office:

Testing Services:

01603 613111

020 7537 9233

01223 781585

01603 416333

Water measuring device: Remarks:

Fill Porosity: 30% Test Duration (hh:mm): 00:18Soakaway

Construction:

Vertical sides trimmed square with granular fill and 

observation tube

1.45 0.40 1.75 1.75

Pit Dimensions

Length (m) Width (m) Depth at Start of Test (m) Depth at End of Test (m)

Soil Infiltration Rate: 1.33E‐4 m/second

31/10/2017

 Location: Land off of Brundall Road, Brundall

Infilling 1  Test Date: 

 Consultant:  Ground Level: 5.32

308778.71 Project ID: GN21496  Client: Rossi Long Consulting Ltd 633047.27 N: 

Soakaway TestLocation ID  ‐  Test Number

TP02

Max. effective storage depth

75% full

50% full

25% full

Empty

0.00

0.20

0.40

0.60

0.80

1.00

1.20

1.40

1.60

1.80

2.00

0 200 400 600 800 1000 1200

Depth below ground surface (m

)

Time (Seconds)

 E: 

EO Fm‐Hn‐R‐3064‐Rev B Operator: AW  Checked by: EO  Approved by:

E‐mail: info@harrisongroupuk.com

Website: www.harrisongroupuk.com

Test in accordance with

BRE DG 365 Revised 2016

Weather conditions:

Dry and Cloudy

Remarks:

Dip MeterNorwich Office:

London Office:

Cambridge Office:

Testing Services:

01603 613111

020 7537 9233

01223 781585

01603 416333

Water measuring device:

Fill Porosity: 30% Test Duration (hh:mm): 00:32Soakaway

Construction:

Vertical sides trimmed square with granular fill and 

observation tube

0.40 1.75 1.75

Depth at End of Test (m)

1.45

Pit Dimensions

Length (m) Width (m) Depth at Start of Test (m)

Soil Infiltration Rate: 7.66E‐5 m/second

Infilling 2  Test Date:  31/10/2017

 Location: Land off of Brundall Road, Brundall  Ground Level: 5.32 Consultant:

N:  308778.71 Project ID: GN21496  Client: Rossi Long Consulting Ltd 633047.27

Soakaway TestLocation ID  ‐  Test Number

TP02

Max. effective storage depth

75% full

50% full

25% full

Empty

0.00

0.20

0.40

0.60

0.80

1.00

1.20

1.40

1.60

1.80

2.00

0 500 1000 1500 2000 2500

Depth below ground surface (m

)

Time (Seconds)

 E: 

 Approved by: EO Fm‐Hn‐R‐3064‐Rev B Operator: AW  Checked by: EO

E‐mail: info@harrisongroupuk.com

Website: www.harrisongroupuk.com

Test in accordance with

BRE DG 365 Revised 2016

Weather conditions:

Dry and Cloudy

Norwich Office:

London Office:

Cambridge Office:

Testing Services:

01603 613111

020 7537 9233

01223 781585

01603 416333

Water measuring device: Remarks:

Dip Meter

Test Duration (hh:mm): 00:35Soakaway

Construction:

Vertical sides trimmed square with granular fill and 

observation tube

1.75

Fill Porosity: 30%

1.45 0.40 1.75

Length (m) Width (m) Depth at Start of Test (m) Depth at End of Test (m)

Pit Dimensions

31/10/2017

Soil Infiltration Rate: 6.83E‐5 m/second

Infilling 3  Test Date: 

 Ground Level: 5.32 Location: Land off of Brundall Road, Brundall  Consultant:

633047.27 N:  308778.71 Project ID: GN21496  Client: Rossi Long Consulting Ltd

Soakaway TestLocation ID  ‐  Test Number

TP02

Max. effective storage depth

75% full

50% full

25% full

Empty

0.00

0.20

0.40

0.60

0.80

1.00

1.20

1.40

1.60

1.80

2.00

0 500 1000 1500 2000 2500

Depth below ground surface (m

)

Time (Seconds)

 E: 

Fm‐Hn‐R‐3064‐Rev B Operator: AW  Checked by: EO  Approved by: EO

E‐mail: info@harrisongroupuk.com

Website: www.harrisongroupuk.com

Test in accordance with

BRE DG 365 Revised 2016

Weather conditions:

Dry and Cloudy

Dip Meter 1. Test failed to reach 50% effective storage depth within given 

time period.

Norwich Office:

London Office:

Cambridge Office:

Testing Services:

01603 613111

020 7537 9233

01223 781585

01603 416333

Water measuring device: Remarks:

Fill Porosity: 30% Test Duration (hh:mm): 23:59Soakaway

Construction:

Vertical sides trimmed square with granular fill and 

observation tube

1.50 0.40 1.50 1.50

Pit Dimensions

Length (m) Width (m) Depth at Start of Test (m) Depth at End of Test (m)

Soil Infiltration Rate: N/A

31/10/2017

 Location: Land off of Brundall Road, Brundall

Infilling 1  Test Date: 

 Consultant:  Ground Level: 7.97

308684.41 Project ID: GN21496  Client: Rossi Long Consulting Ltd 633005.80 N: 

Soakaway TestLocation ID  ‐  Test Number

TP03a

Max. effective storage depth

Max. water depth achieved

50% effective storage depth

Empty

0.00

0.20

0.40

0.60

0.80

1.00

1.20

1.40

1.60

0 10000 20000 30000 40000 50000 60000 70000 80000 90000 100000

Depth below ground surface (m

)

Time (Seconds)

 E: 

Fm‐Hn‐R‐3064‐Rev B Operator: AW  Checked by: EO  Approved by: EO

E‐mail: info@harrisongroupuk.com

Website: www.harrisongroupuk.com

Test in accordance with

BRE DG 365 Revised 2016

Weather conditions:

Dry and Cloudy

Dip MeterNorwich Office:

London Office:

Cambridge Office:

Testing Services:

01603 613111

020 7537 9233

01223 781585

01603 416333

Water measuring device: Remarks:

Fill Porosity: 30% Test Duration (hh:mm): 00:22Soakaway

Construction:

Vertical sides trimmed square with granular fill and 

observation tube

1.90 0.45 3.70 3.70

Pit Dimensions

Length (m) Width (m) Depth at Start of Test (m) Depth at End of Test (m)

Soil Infiltration Rate: 1.16E‐4 m/second

31/10/2017

 Location: Land off of Brundall Road, Brundall

Infilling 1  Test Date: 

 Consultant:  Ground Level: 7.58

308691.08 Project ID: GN21496  Client: Rossi Long Consulting Ltd 633009.93 N: 

Soakaway TestLocation ID  ‐  Test Number

TP03b

Max. effective storage depth

75% full

50% full

25% full

Empty

0.00

0.50

1.00

1.50

2.00

2.50

3.00

3.50

4.00

0 200 400 600 800 1000 1200 1400

Depth below ground surface (m

)

Time (Seconds)

 E: 

EO Fm‐Hn‐R‐3064‐Rev B Operator: AW  Checked by: EO  Approved by:

E‐mail: info@harrisongroupuk.com

Website: www.harrisongroupuk.com

Test in accordance with

BRE DG 365 Revised 2016

Weather conditions:

Dry and Cloudy

Remarks:

Dip MeterNorwich Office:

London Office:

Cambridge Office:

Testing Services:

01603 613111

020 7537 9233

01223 781585

01603 416333

Water measuring device:

Fill Porosity: 30% Test Duration (hh:mm): 01:00Soakaway

Construction:

Vertical sides trimmed square with granular fill and 

observation tube

0.45 3.70 3.70

Depth at End of Test (m)

1.90

Pit Dimensions

Length (m) Width (m) Depth at Start of Test (m)

Soil Infiltration Rate: 4.75E‐5 m/second

Infilling 2  Test Date:  31/10/2017

 Location: Land off of Brundall Road, Brundall  Ground Level: 7.58 Consultant:

N:  308691.08 Project ID: GN21496  Client: Rossi Long Consulting Ltd 633009.93

Soakaway TestLocation ID  ‐  Test Number

TP03b

Max. effective storage depth

75% full

50% full

25% full

Empty

0.00

0.50

1.00

1.50

2.00

2.50

3.00

3.50

4.00

0 500 1000 1500 2000 2500 3000 3500 4000

Depth below ground surface (m

)

Time (Seconds)

 E: 

 Approved by: EO Fm‐Hn‐R‐3064‐Rev B Operator: AW  Checked by: EO

E‐mail: info@harrisongroupuk.com

Website: www.harrisongroupuk.com

Test in accordance with

BRE DG 365 Revised 2016

Weather conditions:

Dry and Cloudy

Norwich Office:

London Office:

Cambridge Office:

Testing Services:

01603 613111

020 7537 9233

01223 781585

01603 416333

Water measuring device: Remarks:

Dip Meter

Test Duration (hh:mm): 01:03Soakaway

Construction:

Vertical sides trimmed square with granular fill and 

observation tube

3.70

Fill Porosity: 30%

1.90 0.45 3.70

Length (m) Width (m) Depth at Start of Test (m) Depth at End of Test (m)

Pit Dimensions

31/10/2017

Soil Infiltration Rate: 4.08E‐5 m/second

Infilling 3  Test Date: 

 Ground Level: 7.58 Location: Land off of Brundall Road, Brundall  Consultant:

633009.93 N:  308691.08 Project ID: GN21496  Client: Rossi Long Consulting Ltd

Soakaway TestLocation ID  ‐  Test Number

TP03b

Max. effective storage depth

75% full

50% full

25% full

Empty

0.00

0.50

1.00

1.50

2.00

2.50

3.00

3.50

4.00

0 500 1000 1500 2000 2500 3000 3500 4000

Depth below ground surface (m

)

Time (Seconds)

 E: 

Fm‐Hn‐R‐3064‐Rev B Operator: AW  Checked by: EO  Approved by: EO

E‐mail: info@harrisongroupuk.com

Website: www.harrisongroupuk.com

Test in accordance with

BRE DG 365 Revised 2016

Weather conditions:

Dry and Cloudy

Dip Meter 1. Test failed to reach 50% effective storage depth within given 

time period.

Norwich Office:

London Office:

Cambridge Office:

Testing Services:

01603 613111

020 7537 9233

01223 781585

01603 416333

Water measuring device: Remarks:

Fill Porosity: 30% Test Duration (hh:mm): 23:59Soakaway

Construction:

Vertical sides trimmed square with granular fill and 

observation tube

1.40 0.40 1.40 1.40

Pit Dimensions

Length (m) Width (m) Depth at Start of Test (m) Depth at End of Test (m)

Soil Infiltration Rate: N/A

30/10/2017

 Location: Land off of Brundall Road, Brundall

Infilling 1  Test Date: 

 Consultant:  Ground Level: 7.82

308684.68 Project ID: GN21496  Client: Rossi Long Consulting Ltd 633061.31 N: 

Soakaway TestLocation ID  ‐  Test Number

TP04a

Max. effective storage depth

Max. water depth achieved

50% effective storage depth

Empty

0.00

0.20

0.40

0.60

0.80

1.00

1.20

1.40

1.60

0 10000 20000 30000 40000 50000 60000 70000 80000 90000 100000

Depth below ground surface (m

)

Time (Seconds)

 E: 

Fm‐Hn‐R‐3064‐Rev B Operator: AW  Checked by: EO  Approved by: EO

E‐mail: info@harrisongroupuk.com

Website: www.harrisongroupuk.com

Test in accordance with

BRE DG 365 Revised 2016

Weather conditions:

Dry and Cloudy

Dip MeterNorwich Office:

London Office:

Cambridge Office:

Testing Services:

01603 613111

020 7537 9233

01223 781585

01603 416333

Water measuring device: Remarks:

Fill Porosity: 30% Test Duration (hh:mm): 00:15Soakaway

Construction:

Vertical sides trimmed square with granular fill and 

observation tube

1.30 0.40 1.90 1.90

Pit Dimensions

Length (m) Width (m) Depth at Start of Test (m) Depth at End of Test (m)

Soil Infiltration Rate: 1.77E‐4 m/second

31/10/2017

 Location: Land off of Brundall Road, Brundall

Infilling 1  Test Date: 

 Consultant:  Ground Level: 11.14

308633.60 Project ID: GN21496  Client: Rossi Long Consulting Ltd 633001.83 N: 

Soakaway TestLocation ID  ‐  Test Number

TP05

Max. effective storage depth

75% full

50% full

25% full

Empty

0.00

0.20

0.40

0.60

0.80

1.00

1.20

1.40

1.60

1.80

2.00

0 100 200 300 400 500 600 700 800 900 1000

Depth below ground surface (m

)

Time (Seconds)

 E: 

EO Fm‐Hn‐R‐3064‐Rev B Operator: AW  Checked by: EO  Approved by:

E‐mail: info@harrisongroupuk.com

Website: www.harrisongroupuk.com

Test in accordance with

BRE DG 365 Revised 2016

Weather conditions:

Dry and Cloudy

Remarks:

Dip MeterNorwich Office:

London Office:

Cambridge Office:

Testing Services:

01603 613111

020 7537 9233

01223 781585

01603 416333

Water measuring device:

Fill Porosity: 30% Test Duration (hh:mm): 00:29Soakaway

Construction:

Vertical sides trimmed square with granular fill and 

observation tube

0.40 1.90 1.90

Depth at End of Test (m)

1.30

Pit Dimensions

Length (m) Width (m) Depth at Start of Test (m)

Soil Infiltration Rate: 8.99E‐5 m/second

Infilling 2  Test Date:  31/10/2017

 Location: Land off of Brundall Road, Brundall  Ground Level: 11.14 Consultant:

N:  308633.60 Project ID: GN21496  Client: Rossi Long Consulting Ltd 633001.83

Soakaway TestLocation ID  ‐  Test Number

TP05

Max. effective storage depth

75% full

50% full

25% full

Empty

0.00

0.20

0.40

0.60

0.80

1.00

1.20

1.40

1.60

1.80

2.00

0 200 400 600 800 1000 1200 1400 1600 1800 2000

Depth below ground surface (m

)

Time (Seconds)

 E: 

 Approved by: EO Fm‐Hn‐R‐3064‐Rev B Operator: AW  Checked by: EO

E‐mail: info@harrisongroupuk.com

Website: www.harrisongroupuk.com

Test in accordance with

BRE DG 365 Revised 2016

Weather conditions:

Dry and Cloudy

Norwich Office:

London Office:

Cambridge Office:

Testing Services:

01603 613111

020 7537 9233

01223 781585

01603 416333

Water measuring device: Remarks:

Dip Meter

Test Duration (hh:mm): 00:34Soakaway

Construction:

Vertical sides trimmed square with granular fill and 

observation tube

1.90

Fill Porosity: 30%

1.30 0.40 1.90

Length (m) Width (m) Depth at Start of Test (m) Depth at End of Test (m)

Pit Dimensions

31/10/2017

Soil Infiltration Rate: 8.13E‐5 m/second

Infilling 3  Test Date: 

 Ground Level: 11.14 Location: Land off of Brundall Road, Brundall  Consultant:

633001.83 N:  308633.60 Project ID: GN21496  Client: Rossi Long Consulting Ltd

Soakaway TestLocation ID  ‐  Test Number

TP05

Max. effective storage depth

75% full

50% full

25% full

Empty

0.00

0.20

0.40

0.60

0.80

1.00

1.20

1.40

1.60

1.80

2.00

0 500 1000 1500 2000 2500

Depth below ground surface (m

)

Time (Seconds)

47.311 PROPOSED FINISHED SURFACE LEVEL

PROPOSED DOMESTIC FOUL WATER DRAIN100mmØ UNLESS STATED OTHERWISE

PROPOSED DOMESTIC STORM WATER DRAIN100mmØ UNLESS STATED OTHERWISE

HB100 PROPOSED CONCRETE HALF BATTERED KERBWITH 100mm KERB FACE

PROPOSED BULL NOSED CONCRETE KERB WITH KERB FACE UPSTAND AS SPECIFIED

LEGEND

TR PROPOSED CONCRETE TRANSITIONAL KERB

PROPOSED STORM WATER RODDING EYE

BN50

DOMESTIC FW CHAMBER (SIC/UIC/NIC) WITH REFERENCE NUMBER - REFER TO SCHEDULES

BN25

EF PROPOSED CONCRETE FOOTWAY EDGING

DOMESTIC SOAKAWAY IN WAVIN AQUACELL'S (OR SIMILAR APPROVED) TYPE, SIZE & DEPTHS AS

PROPOSED ADOPTABLE FOUL WATER CHAMBER WITH REFERENCE NUMBER

RG PROPOSED ROAD GULLY & CONNECTION

PROPOSED ADOPTABLE FOUL WATER SEWERSIZE AND GRADIENT AS SPECIFIED

PROPOSED ADOPTABLE HIGHWAY SEWER CHAMBER WITH REFERENCE NUMBER

PROPOSED ADOPTABLE HIGHWAY SEWER SIZE AND GRADIENT AS SPECIFIED

CB0 PROPOSED CONCRETE CHANNEL BLOCK

REFER TO SCHEDULES FOR FULL DETAILS

DOMESTIC SW CHAMBER (SIC/UIC/NIC) WITH REFERENCE NUMBER - REFER TO SCHEDULES

REFER TO SCHEDULES FOR FULL DETAILS

BN0

SPECIFIED IN SCHEDULES

DOMESTIC SW CHAMBER (SILT TRAP) WITH REFERENCE NUMBER - REFER TO SCHEDULES

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RS01

RS02

RS03

RS04

RS05

RS07

RS08

6.72

7.17

6.72

6.90

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6.67

6.68

6.58

6.59

6.62

6.62

6.86

7.23

7.76

7.63 7.

87

8.60

8.53

9.16

9.17

9.61

9.99

10.83

11.02

10.98

10.92

11.20

11.20

11.46

12.04

12.02

11.93

11.98

11.77

11.14

10.4

9

8.81

7.48

6.46

5.92

5.49

5.02

5.42

5.09

5.58

6.02

6.56 6.93 6.71

6.61

6.38

6.19

6.30

6.80

8.00

9.13

10.00

10.75

11.03

10.21

9.13

8.01

6.87

6.19

6.05

6.20

6.44

5.98

5.81

6.00

6.71

7.76

8.61

9.77

10.75

10.76

9.51

8.11

7.17

6.63

6.10

5.73

5.82

6.31

7.00

7.99

11.27

11.93

12.30

12.91

13.21

13.78

13.99

14.52

14.90

15.16

15.50

15.62

16.08

16.35

16.42

16.89

17.10 17.43

PO

17.46

17.44

17.68MHL

17.59

17.5217.60

17.54

17.23

17.11

17.17

17.03

17.02

16.95

16.94

17.03

17.05

16.96

16.94

16.72

16.83

16.70

16.67

16.56TH

16.66

16.64

16.74

16.72

16.72

16.72

16.79

16.74

16.66

16.70

16.56

16.56

16.46

16.47

16.47

16.43

16.52

16.47

16.52

16.52

16.64

16.60

16.78

16.89

17.06

16.96

17.04

17.04

17.09

17.0617.40

17.35

17.41MHL

SYSY

16.84

Dilapidated16.83

16.63

16.52

16.43

16.33

16.21

PO15.96MHL

15.90

PO

BU

15.6915.63

BU

15.76

14.32

PO

13.36

11.30

10.049.16

7.35

7.84

7.03

7.00

7.51

6.99

6.52

6.40

6.46

6.97

6.82

6.85

7.09

6.85

6.62

6.62

6.656.48

6.25

6.61

6.68

6.90

7.07

7.02

7.16

6.95

6.97

7.49

7.43

7.467.33

6.78

6.47

6.55

6.46

6.57

6.49

6.33

5.81

4.96

4.55

4.36

5.96

6.28

6.86

7.05

7.26

8.60

8.45

8.05

7.56

7.08

7.02

7.70

8.63

9.50

10.03

10.38

10.50

11.48

11.38

11.13

10.53

9.66

8.77

8.07

7.61

7.47

7.51

7.71

7.63

7.59

7.59

7.72

7.87

8.02

7.91

7.80

7.83

7.94

8.24

8.60

8.87

8.74

8.48

8.43

8.66

9.02

8.07

7.84

7.40

7.23

7.13

7.23

7.35

7.18

6.93

6.79

6.67

6.77

6.92

6.90

7.00

10.02

9.35

9.14

9.32

9.81

10.19

10.09

9.83

9.56

9.53

9.47

9.48

9.68

9.68

9.53

9.59

9.41

9.55

9.62

9.51

9.13

8.98

8.85

9.13

9.63

10.37

11.02

11.70

12.29

12.54

13.82

13.45

13.02

12.65

11.96

11.45

11.17

11.09

11.18

11.65

11.94

12.08

12.11

11.92

12.00

11.99

11.84

11.65

11.49

11.66

11.77

11.88

12.00

12.07

12.03

11.66

11.95

12.60

14.60

14.81

14.54

14.28

14.03

13.98

13.86

13.77

13.73

13.78

14.08

14.13

14.14

13.95

14.24

14.33

14.15

13.73

13.52

13.34

13.49

13.84

14.30

14.63

14.94

15.05

15.25

16.04

15.93

15.95

15.67

15.45

15.27

15.05

15.02

14.92

15.13

15.40

15.49

15.37

15.24

15.30

15.24

15.04

14.97

15.03

15.10

15.18

15.20

15.26

15.33

15.60

15.86

16.42

16.31

16.32

16.27

16.12

15.99

16.04

16.00

15.89

16.02

16.19

16.12

16.31

16.31

16.36

16.23

16.19

16.13

16.23

16.35

16.45

16.53

16.67

16.82

16.90

17.41

17.38

17.92

18.04

18.0117.82

17.5217.6617.66

17.47

17.47

17.53

17.4717.52

MPMP

SV

AV

16.95

17.50TOW

17.74

17.7117.51TOW

17.01

17.49

17.48

17.66

17.67

17.65

17.79

17.7

5

17.8

3

17.7

6

17.52

17.6

8

17.8

4

17.4

8

17.2

3

16.9

2

MP16.79

17.40

17.58

SV

16.50

16.5

0

16.73

16.8

6

17.2

2

17.4

4

LP

16.8

0

16.71

16.69

17.11

17.36

17.45

17.45

17.55

17.74

17.66

17.78

17.87

17.27

17.24

17.55

14.69

14.7314.68

15.32MHL

14.5814.59

14.53

15.25MHL

14.3214.26

14.18

14.82MHL

14.0114.11

14.1614.78MHL

13.26

13.48

13.41

13.2413.75MHL

6.75TH

4.03

4.12

4.40

4.49

4.61

4.85

4.75

4.93

5.07

5.10

5.10

5.065.16

4.93

4.85

5.00

5.01

5.05

5.30

5.57

5.40

5.03

4.83

4.70

5.01

5.04

5.35

5.35

5.61

5.35

5.30

5.22

5.11

5.04

5.13

5.48

5.53

5.70

5.27

5.10

4.97

4.42

3.92

4.05

3.40

3.62

3.103.11

3.60

2.932.69

3.19WL

2.68BL

3.42

2.682.57

2.56BL

3.54

2.60

2.53

3.48

2.75

3.67

3.70

2.55

3.46

3.56

3.58

3.313.333.

62

3.49

3.33

3.28 3.41

3.843.703.93

4.23

4.37

4.62

4.88

5.17

3.74

2.93

3.11WL

2.44BL

3.78

2.77

3.69

2.82

3.70TOW

3.26TOW

2.72

3.06

3.58Soffit

3.63

2.92

2.19BL

3.71

2.73

3.89

2.71

3.83

2.74

3.77

2.77

3.71

2.763.86 2.57

4.15TOW

2.88

2.963.24

2.82IL

3.30

3.60

2.67

2.80

3.51

3.46 3.49

2.49

2.29

2.95WL

2.13BL

3.67

2.80

3.60

2.58

2.00BL

3.19

3.04

3.41

2.81

3.31

2.663.16WL

2.55BL

2.71

2.723.31

3.34

2.81

2.79

3.31

3.75

2.80

3.622.58

2.88

3.52

3.53

2.78

2.753.27

3.27

2.78

2.87

3.64

2.90

3.49

2.81BL

3.30

2.61

2.783.40

3.37

2.88

3.59

3.85

3.77

4.14

3.69

3.62

3.83

4.12

3.58

4.32

4.34

3.50

3.40

4.38

4.47

3.48

3.57

4.50

4.62

3.40

3.67

3.66

4.26

3.67

4.41

4.29

3.72

3.71

4.25

3.59

2.91

3.61

3.503.71

3.65

2.69

3.64

2.75

3.56

2.69

3.56

2.68

2.73

3.59

2.88

2.68

3.50

3.61

2.77

3.54

2.71

1.90BL

3.55

2.70

3.55

2.76

3.46

2.68

3.34

2.68

3.04

2.54

2.412.13

3.05

3.09

2.77

2.85

3.38

2.64

3.42

2.60

3.40

2.521.94BL

3.01WL

2.37

3.45

3.33

2.44

3.41

2.62

3.31

2.58

3.21

2.62

3.15

2.53

3.36

2.63

3.42

2.46

3.44

2.73

3.46

2.43

3.392.61

3.37

2.69

3.25

2.43

3.27

2.45

3.32

2.62

3.27

2.66

3.32

2.62

2.96

2.63

3.45

2.65

3.31

2.71

3.51TOW

2.84

2.822.86

3.13

2.473.29

3.30

2.58

2.97

2.413.21

2.46

3.11

2.47

3.25

2.42

3.25

2.35

3.27

2.42

3.21

2.47

3.31

2.683.28

2.67

1.67BL

2.94

2.59

3.12

2.61

3.18

2.57

3.08

2.39

3.24

2.44

1.82BL

3.30

2.69

ET

SY

SY

3.27

2.18

3.33

2.46

3.29

2.55

2.98

2.36

3.34

2.28

3.33

2.46

3.36

2.623.35

2.80

3.11

2.57

2.70

3.19

3.35 2.

73

3.01

2.59

2.59

3.37

2.50

3.39

2.52

3.23

2.60

3.31

2.49

3.43

2.61

3.52

3.53

3.503.38

2.69

3.40

2.67

3.58

2.66

3.39

2.57

3.47

2.23

3.29

2.29

1.82BL

3.53

3.38

3.232.79

3.312.

382.01BL

3.37

2.55

3.44

2.27

2.33

3.51

2.60

3.54

2.25

3.53

2.61

3.63

2.78

3.49

2.57

3.59

2.64

3.59

2.85

2.01BL

3.69

2.42

3.73

2.74

3.75

2.52

3.76

2.64

3.73

2.48

3.902.46

3.64

3.65

3.69

3.48

3.57

3.68

3.73

3.84

Oak Tree 4h

Oak Tree 4h

5.00

5.10

5.00

5.05

5.10

Dilap

idated

4.63

4.77

UK Tree 4h

5.02

UK Tree 6h

3.73

3.62

2.48

3.40

3.39

2.97IL

3.31

2.39

3.31

2.272.29

3.38

3.42

2.15

3.53

2.36

3.54

2.30

3.57

2.41

2.14BL

2.65WL

3.46

2.32

3.69

2.41

3.82

2.40

4.04

2.22

3.39

2.06

2.92

1.95

3.17

2.23

3.36

1.97

3.10

2.12 3.15

2.01

2.93

1.89

2.97

2.08

2.94

1.83

3.05

2.01

3.11

2.03

1.51BL

3.20

3.101.88

1.81

3.11

2.02

3.52

2.00

3.53

1.91

3.77

1.90

3.91

2.03

4.22

4.42

4.53

4.49

1.78

SY

SY

5.28

6.16

6.23

5.90

4.66

2.03

3.77

2.073.76

1.92

3.75

1.37

4.15

4.23

4.24

4.37

4.35

3.933.39

1.58

2.73

1.57

1.19BL

3.00

1.97

2.88

2.562.61

2.99

2.64

2.15

2.45

1.82

2.73

2.04

2.72

2.09

2.80

3.08

3.13

3.10

3.08

2.99

1.98

2.82

1.96

2.80

3.13

3.16

3.12

3.09

3.00

2.73

1.95

2.84

1.96

2.83

1.96

3.11

1.84

3.32

3.08

3.06

3.09

3.31

3.14

3.15

3.12

3.17

3.43

3.11

3.20

3.45

3.18

3.19

3.05

2.99

2.29

3.21

2.06

3.163.09

3.13

1.96

3.02

2.11

3.22

2.96

1.77

2.923.14

3.47

1.95

3.24

3.19

3.23

3.27

3.34

3.35

3.212.

983.

04

3.16

3.26

3.00

3.06

3.37

3.38

3.07

2.95

3.26

3.26

3.78

2.33

3.82

2.23

3.39

2.221.91BL

3.45

3.64

3.52

3.54

2.25

3.37

3.44

3.40

3.50

3.43

3.59

3.42

3.35

2.583.62

3.55

3.67

3.58

2.23

3.81

2.12

3.88

2.44

3.543.43

3.55

3.63

3.65

3.59

3.70

3.57

3.72

3.75

3.87

4.03

3.86

3.79

3.63

3.64

3.49

3.52

3.58

3.50

3.61

3.61

3.913.

88

4.43

4.37

4.89

5.16

5.29

5.04

4.96

4.88

4.68

4.53

4.75

5.13

5.26

5.14

4.91

4.76

4.68

4.60

4.68

4.76

4.72

4.62

4.34

4.19

4.214.17

3.87

3.84

3.95

4.38

4.56

4.78

4.79

5.14

5.32

5.33

5.95

6.13

6.13

6.05

6.16

6.02

5.82

5.46

6.09

6.27

6.306.53

6.44 6.58

6.13

5.49

4.81

4.68

4.48

4.52

4.57 4.58

4.64

4.52

4.69

4.67

4.724.73

4.58

4.62

4.62

4.72

4.59

4.41

4.40

4.42

4.454.

46

4.39

3.84

3.423.58

3.77

3.91

4.43

4.40

4.47

4.40

4.28

4.48

4.374.27

3.71

3.80

4.61

5.27

5.09

5.09

4.68

4.02

3.48

3.48

3.53

3.45

3.48

3.62

3.86

3.74

3.90

3.89

3.84

4.11

4.15

4.28

4.32

4.21

4.04

3.92

3.83

4.12

3.99

4.48

4.61

4.59

4.42

4.57

4.79

5.14

4.66

4.17

4.00

4.09

3.92

3.83

3.49

3.47

3.56

3.50

3.53

3.45

3.58

3.51

3.50

3.55

3.52

3.51

3.56

3.67

4.01

4.17

4.75

4.28

4.44

3.91

3.67

3.53

3.78

3.87

3.55

3.36

3.33

3.40

3.39

3.28

3.29

3.30

3.32

3.36

3.29

3.23

3.12

3.04

3.07

3.05

3.06

3.122.99

3.13

3.05

3.17

3.27

3.27

3.16

3.16

2.82

2.91

3.16

16.93MHL

17.3317.39

17.38

17.33

17.30

17.3

5

17.3

6

17.4

8

17.6

1

17.6

0

17.7

1

17.7

017

.79

17.8

5

17.7

9

17.7

6

17.6

7

17.5

517

.48

17.47

17.43

17.41

FH

17.60GG

LP

SLOW

17.7

117

.82

17.6

117

.63

17.5

117

.62

17.4

417

.53

17.2

417

.27

16.9

317

.01

16.7116.77

16.8

716

.85

17.0817.19

17.22

17.2

417

.22

17.09

17.14

17.04

16.82

16.78

16.68

16.72

16.70GG

BO WBSI

BO

BO

BO

BO

BO

BOBOWM

NB

17.25

17.19

17.29

17.5

2

18.01TOW

17.6

1

18.02TOW

17.7

0

17.7

2

18.09TOW

17.7

5

17.8

5

SY

SY

TC

TC

SI

LP

17.19MHL

16.93MHL

16.94

Asphalt

17.22

SVSV

MP

TP

17.4

3

17.5

9

17.7

0

17.7

8

EP

EP

22.96RL

20.38RL

21.39EL

19.06EL

20.31EL

23.50RL

22.21RL

20.15EL

20.24RL

ET

UK Tree 6h

Oak Tree 12h

Horse Chestnut Tree 8h

BU

BU

UK Tree 8h

Silver Birch Tree 9h

Oak Tree 13h

BU

BU

Hawthorn Tree 9h

UK Tree 8h

Oak Tree 10h

9.58

8.92

Oak Tree 12h

Oak Tree 12h

8.12

8.01

7.92

UK Tree 9h

EP

25.70RL

25.02RL

22.44RL

25.90RL

25.28RL

22.92RL 20.50

EL

23.08EL

22.98EL

20.00EL

22.84EL

22.80EL

UK Tree 10h

Oak Tree 17h

16.68

15.48

7.06TH

Oak Tree 18h

Oak Tree 18h

Hawthorn Tree 7h

Oak Tree 14h

22.75EL

22.77EL

UK Tree 7h

Silver Birch Tree 14h

BU

BU

Beech Tree 15h

Beech Tree 20h

UK Tree 20h

Oak Tree 18h

Willow Tree 17h

UK Tree 14h

Willow Tree 15h

Willow Tree 15h

EP

EP

ET

EP

19.45RL

22.71RL

19.17RL

20.44EL

18.04EL

19.95EL

22.13RL

20.17RL

18.79EL

20.26EL

20.75EL

20.76EL

20.77EL

19.90EL

24.61RL

23.13RL

23.14RL

23.17RL

23.13RL

22.73RL

UK Tree 15h

Dead Tree

Poplar Tree 16h

Eucalypts Tree 8h

UK Tree 10h

Oak Tree 10h

UK Tree 14h

UK Tree 11h

UK Tree 11h

12.12

EP

ET

3.96

4.10

4.19

3.85

4.03

PO

3.92

KO

SVWO

SV

MP

3.98

3.86

3.793.

91

3.95

3.93

4.08

4.38

3.96

4.31

4.39

4.364.

174.

354.

34

4.324.14

4.25

4.18

3.14

EP

EP

Oak Tree 14h

4.16

4.04

3.84

3.82

3.73

3.89

4.17

4.40

4.59

4.40

4.17

3.94

4.01

4.00

3.83

Conifer Tree 16h

3.904.

02

4.09

3.97

4.084.2

2

4.17

4.28

3.80GG

SV WO

MP

SV

SI

4.05MHL

3.71GG

NB

TC

4.594.73

4.704.60

4.534.65

4.51

4.64

4.66

4.84

4.81

4.704.83

4.724.95

4.764.76

MP

FHSV

SV

NB

MP

4.70GG

4.244.2

6

4.424.

55

4.60

4.674.

71

4.83

4.84GG5.

08

4.93

4.94 4.89

4.72

4.70

5.05

4.85

4.62

4.54

4.55

4.47 4.4

1

4.31

4.22

4.07

4.01

3.93

4.31

4.32

4.39

4.57

TCTP

4.45

4.76

GV

GV

GV

SV

FH MPMP MP4.55

TPLP

NB 4.64MHL

4.67MHL

4.66GG

WMSC SC

5.01ICL

4.68

4.43

SV

4.54

4.47

4.30

4.09

SV

WOSV

3.95

4.01

4.04

SLOW

4.10

EP

EP

EP

8.73RL

7.44EL

Oak Tree 14h

Oak Tree 9h

BU

5.06THL

4.86

4.93

5.17

5.12

5.32

5.02

5.01

4.79

PB

5.095.

165.31

5.19

5.91MHL

4.59

4.57

4.74

4.63

4.67

4.704.61

4.70 4.69

4.62

4.594.57

4.55

4.59

4.58MHL

MP

8.04RL

13.76RL

10.38RL

10.86EL

7.86EL

Oak Tree 14h

4.58

4.334.41

4.82

5.09

5.47

5.59 5.124.83

4.73

4.89 4.95 5.09 4.99

4.61

4.44

4.42

4.87

5.085.175.34

6.19

Oak Tree 16h

UK Tree 10h

5.626.21

Oak Tree 12h

Oak Tree 16h

Oak Tree 11h

UK Tree 8h

Sapling

8.06EL

4.24

4.40

4.10

4.583.693.83

2.83 2.87

3.83

3.82

3.80

3.82

3.72

BX

3.76

3.82FL

3.71FL

3.773.793.96

3.903.87

4.29

3.86

6.84RL

6.42RL

6.45EL

5.96EL

6.94EL

7.95EL

SaplingSapling

PO

Ash Tree 16h

UK Tree 12h

4.79TOW

5.51TOW

3.86

3.76

3.60

3.76

3.45

2.87

3.51

2.81

3.79

UK Tree 12h

UK Tree 10h

9.05RL

4.31

4.29

4.33

3.92

DP

3.703.73

3.74

3.58

3.69

3.40

3.36

4.07

1.81IL

1.951.86

4.15

4.34

4.60

4.56

4.48

4.49

4.38

4.48

UK Tree 16h

UK Tree 16h

UK Tree 16h

9.11RL

7.05EL

UK Tree 8h

UK Tree 8h

UK Tree 7h

UK Tree 7h

Alders 12

Alder Tree 7h

Alder Tree 7h

Alder Tree 7h

Alder Tree 10h

3.34

3.39

3.67

UK Tree 10h

UK Tree 10h

UK Tree 10h

UK Tree 10h

UK Tree 10h

UK Tree 10h

UK Tree 10h

UK Tree 10h

UK Tree 10h

P/R

1.2h

C/B

1.6h

C/B 1

.6h

C/B 1

.8h

C/B 1.8h

P/W 1.2h

C/B 1.8h

C/B 1.8h

Pan 1.8h

C/B 1.8h

C/B 1.8h

Timber Sleepers

Pan 1.8h

C/B 1.8h

P/R

1.4h

Asphalt

P/R

0.5h

Brick Wall

Pan 1.4h

P/W 1.3h Dilapida

ted

P/R1

.2h

P/W 1.3h

P/W

1.3

h

Concrete Head Wall

Fence 0.5h

Timber Sleepers

P/W

1.3h

Dila

pidated

P/W 1.3h

Brick

Wall

Brick Wall

Footpath - Asphalt

Brick

Wall

Brick

Wall

Foot

path

- A

spha

lt

Brick

Wall

C/B

1.8h

OHL

P/R 1

.4h

P/R

1.6h

Head

Wall

P/W

1.2h

C/B

2.0h

C/B 1.8h

OHL

OHL

P/R

1.4h

C/L 2.4hUnmade Track

C/L 2.4h

C/L 2.4h

Brick Wall

Concrete

I/R 1.4h

I/R 1.4h

Fence 2.2h

OHL

OHL

OHL

OHL

OHLOHL

OHL

OHL

OHL

OHL

OHL

OHL

OHL

OHL

OHL

OHL

OHL

OHL

Fenc

e 1.2

h

OHL

Footp

ath -

Aspha

lt

OHL

OHL

Ash Tree 10h

Foot

path

- A

spha

lt

UK Tree 8h

Hedg

e 2.

0h

Brick

Wall

Brick

Wall

Mixed Species Hedge 4.0h

Dilapidated

P/W 1.2h

Fence 2.2h

Bushes 3.0h

Footpath - Concrete

Asph

alt -

30

mph

Single StoreyBrick Construction

Single StoreyBrick Construction

Two StoreyBrick Construction

Games Court

Hedge 2.0h

Hedge 2.0h

Unmade Track

Unmade Track

Unmade Track

Unmade Track

Una

ble

to S

urve

y Dra

in -

App

roxim

ate

Positio

n

Mixed Species

Hedge 2.2h

Mixed Species

Hedge 2.2h

Mixed Species

Hedge 2.2h

Mixed Species

Hedge 4.0h

Mixed Species Hedge 2.2h

Grass Meadow

Grass Meadow

MarshMarsh

Marsh

Reeds

Reeds

Reeds

Reeds

Reeds

Reeds

Reeds

Reeds

Reeds

Vegetation 7.0h Average

Drain

Drain

Drain

Young Alder Trees 4.0h AverageDense Vegetation - Unable to Survey

Young Alder Trees 4.0h AverageDense Vegetation - Unable to Survey

Young Alder Trees 4.0h AverageDense Vegetation - Unable to Survey

Young Alder Trees 4.0h AverageDense Vegetation - Unable to Survey

Young Alder Trees 4.0h AverageDense Vegetation - Unable to Survey

Young Alder Trees 4.0h AverageDense Vegetation - Unable to Survey

Young Alder Trees 4.0h AverageDense Vegetation - Unable to Survey

Dilapidated

P/W 1.3h Dilapidated

Unmade Track

Mixed Species Hedge 2.2h

Mixed Species Hedge 2.2h

Mixed Species Hedge 2.2h

Unmade Track

Unable to Survey Drain - Approximate Position

Dense Vegetation 4.0h - Unable to Survey

Young Alder Trees 4.0h AverageDense Vegetation - Unable to Survey

Ash Tree 11h

Alder Tree 12h

Pan 1.8h

Grass

17.64

Two StoreyBrick Construction

Two StoreyBrick Construction

Two StoreyBrick Construction

Two StoreyBrick Construction

P/R

1.4h

Hedg

e 0.

5h Hedg

e 0.

5h

Unmade Track

Two StoreyBrick Construction

Single StoreyBrick Construction

Single StoreyBrick Construction

Single StoreyBrick Construction

Single StoreyBrick Construction

Single StoreyBrick Construction

Single StoreyBrick Construction

Pan 1.8h

Single StoreyBrick Construction

Two StoreyBrick Construction

Two StoreyBrick Construction

Two StoreyBrick Construction

Two StoreyBrick Construction

Mixe

d Sp

ecies

Hed

ge 2.4h

Mixe

d Sp

ecies

Hed

ge 2.4h

Mixe

d Sp

ecies

Hed

ge 2.4h

Mixed Species Hedge 2.2h

Mixed Species Hedge 2.2h

Oak Tree 12h

Beech Tree 15hApproximate Position

Approximate Position

Approximate Position

Approximate Position

Approximate Position

OHLOHL

OHL

OHL

OHL

OHL

OHL

Dense Vegetation 4.0h - Unable to Survey

Dense Vegetation 4.0h - Unable to Survey

Oak Tree 18h

Oak Tree 14h

Unable to Survey Drain - Approximate Position

Spoil

Spoil

Spoil

Unable to Survey Swale

Unable to Survey Drain

Soffit

SYs Unable to Survey

Drain

Drain

Drain

Pipe

Concrete Head Wall

OHL

OHL

Drain - Unable To Survey

OHL

Approximate Position

Approximate Position

Approximate Position

Dense Vegetation - Unable to Survey

OHL

OHL

Drain

Mixed Species

Hedge 4.0h

Young Alder Trees 4.0h

P/R

1.2h

Hedg

e 3.

0h

Hedg

e 3.

0h

Hedg

e 3.

0h

UK Tree 8h UK Tree 8h

Unmade Track

Unmade Track

Unmade Track

Unmade Track

Unmade Track

Vegetation 1.4h

Vegetation 2.0h

Vegetation 2.0h

Mixed Species Hedge 4.0h Conifer Hedge 7.0h

C/L 2.4h

C/L 2.4h

P/R

1.6h

Gas

Unmade Track

Vegetation 2.0h

Vegetation 2.0h

Footpa

th -

Asp

halt

Footpa

th -

Asp

halt

P/R 1.6hUnmade Track

Grass

Hed

ge 1.8

h

Two StoreyBrick Construction

Brick StoreyBrick Construction

Asph

alt -

30

mph

Asphalt - 30 mph

Asph

alt - 3

0 mph

Hedge 1.8h

Footpath - Asphalt

Youn

g Haw

thorn

Hedg

e 1.8h

Mixe

d Sp

ecies

Hed

ge 4

.0h

Conifer Hedge 12h

P/R

1.4h

Grass

Grass

Grass

Grass

Grass

Grass

Grass

Vegetation 1.4h

Unable to Survey Dyke

Vegetation 7.0h Average

Vegetation 2.0h

UK Tree 12h

UK Tree 12hUK Tree 12h

UK Tree 12hUK Tree 12h

UK Tree 12h

UK Tree 12h

Concrete Pipe0.60Ø

Single StoreyTimber & Clad Construction

Dilapidated

Single StoreyTimber & Clad Construction

Dilapidated

Single StoreyBrick Construction

Single StoreySteel & Clad Construction

6324

60.0

00m

E

6324

80.0

00m

E

6325

00.0

00m

E

6325

20.0

00m

E

6325

40.0

00m

E

6325

60.0

00m

E

6325

80.0

00m

E

6328

00.0

00m

E

6326

00.0

00m

E

6326

20.0

00m

E

6326

40.0

00m

E

6326

60.0

00m

E

6326

80.0

00m

E

6327

00.0

00m

E

6329

20.0

00m

E

6327

20.0

00m

E

6327

40.0

00m

E

6327

60.0

00m

E

6327

80.0

00m

E

6328

20.0

00m

E

6328

40.0

00m

E

6328

60.0

00m

E

6328

80.0

00m

E

6329

00.0

00m

E

6329

40.0

00m

E

6329

60.0

00m

E

6329

80.0

00m

E

6330

00.0

00m

E

6330

20.0

00m

E

6330

40.0

00m

E

6330

60.0

00m

E

6330

80.0

00m

E

6331

00.0

00m

E

6331

20.0

00m

E

6331

40.0

00m

E

6331

60.0

00m

E

6331

80.0

00m

E

6332

00.0

00m

E

6332

20.0

00m

E

6332

40.0

00m

E

308540.000mN

308520.000mN

308560.000mN

308580.000mN

308600.000mN

2.000

R10

.000

1000

YR F

LOO

D LI

NE

48.40

0 SEPARATIO

N BETWEEN JUNCTIO

NS

22.100

R10.000

2.4m x

43m VISIBILI

TY SPLAY

2.4m

x 43

m V

ISIB

ILIT

Y SP

LAY

hall

lounge

WC

store

dining

kitchen

car port

Livin

g

19.0 sqm

H

all

5.7 sqm

W

C/Cloaks

3.0 sqm

Utility

3.6 sqm

S

t

1.1 sqm

Kitchen/D

ining/Fam

ily

30.5 sqm

E

hall

lounge

WC

store

dining

kitchen

Living /Dining Room

Kitchen

Hall

Livin

g

R

o

o

m

W

C

C

'b

d

D

in

in

g

K

itch

en

U

tility

hall

lounge

WC

store

dining

kitchen

car port

hall

lounge

WC

store

dining

kitchen

car port

hall

lounge

WC

store

dining

kitchen

car port

6.000

2.000

6.000

2.000

2.000

6.000

6.000

6.000

R26.000

8.00

0

8.000

3.7003.700

3.70

0

R40.000

R40

.000

2.00

0

6.00

0

1.80

0

2.00

0

6.00

0

1.80

0

6.0001.800

2.000

2.000

RG

RG

RG

RG

RG

RG

RG

RG

RG

RG

RG

2.000 2.000

RG

RG

RG

RG

RG

R26

.000

RG

RG

FOUL WATER CONNECTIONPOINT TO EXISTING SEWERPRIOR TO EXISTING PUMPSTATION (SUBJECT TOANGLIAN WATER APPROVAL)

FUTURE DEVELOPMENT PHASE.

ADOPTABLE HIGHWAYS TO DISCHARGE TO HIGHWAYSOAKAWAYS, PRIVATE HARDSTANDINGS TOPERMEABLE PAVING AND DOMESTIC ROOFS TOPRIVATE SOAKAWAYS.

ALL FEATURES DESIGNED TO ACCOMODATE FLOWSASSOCIATED WITH THE 100YR RETURN PERIOD STORMEVENT PLUS 40% ALLOWANCE FOR CLIMATE CHANGE

EXTE

NT

OF

RO

AD T

O A

CC

ESS

PHAS

E 1

ROUTE OF EXISTING FOULSEWER ACROSS SITE,SHOWN WITH 6M EASEMENT

ROUTE OF EXISTING FOULRISING MAIN ACROSS SITE,SHOWN WITH 6M EASEMENT

EXISTING ANGLIANWATER PUMP STATION

1000yr +CC FLOOD EXTENT

20yr +CC FLOOD EXTENT 100yr +CC FLOOD EXTENT

PRIVATE DRIVEWAY -PERMEABLE BLOCKPAVING

TYPE 2ACCESSROAD

TYPE 2ACCESSROAD

EXACT ROAD LAYOUTS ANDTURNING HEAD PROVISIONS TO BEDETERMINED BY DETAILEDDESIGN.

TYPE 2ACCESSROAD

TYPE 2ACCESSROAD

TYPE 2ACCESSROAD

TYPE 2ACCESSROAD

TYPE 2 ACCESS ROAD TO BESIDE HUNG FOR FIRST 150mINTO DEVELOPMENT. PROVIDEWITH FLUSH EDGING KERB &SURFACE WATER RUN-OFF TOADJACENT HIGHWAY SWALE

TYPE 2ACCESSROAD

H

a

l

l

L

i

v

i

n

g

R

o

o

m

W

C

C

'

b

d

D

i

n

i

n

g

K

i

t

c

h

e

n

U

t

i

l

i

t

y

HA-2

HA-2

R20.000

R23.000

R22.800

4.8001.000

4.80

0

5.800

R4.500

R4.500

R20.000

R20.000

ADOPTABLE ROAD INTRADITIONAL BLOCK PAVING

PRIVATE DRIVEWAY -PERMEABLE BLOCKPAVING

PRIVATE DRIVEWAY -PERMEABLE BLOCKPAVING

PRIVATE DRIVEWAY -PERMEABLE BLOCKPAVING

PRIVATE DRIVEWAY -PERMEABLE BLOCKPAVING

PRIVATE DRIVEWAY -PERMEABLE BLOCKPAVING

PRIVATE DRIVEWAY -PERMEABLE BLOCKPAVING

PRIVATE DRIVEWAY -PERMEABLE BLOCKPAVING

PRIVATE DRIVEWAY -PERMEABLE BLOCKPAVING

PRIVATE DRIVEWAY -PERMEABLE BLOCKPAVING

PRIVATE DRIVEWAY -PERMEABLE BLOCKPAVING

PRIVATE DRIVEWAY -PERMEABLE BLOCKPAVING

PRIVATE DRIVEWAY -PERMEABLE BLOCKPAVING

PRIVATE DRIVEWAY -PERMEABLE BLOCKPAVING

PRIVATE DRIVEWAY -PERMEABLE BLOCKPAVING

RG

RG

FUTURE DEVELOPMENT PHASE.

ADOPTABLE HIGHWAYS TO DISCHARGE TO HIGHWAYSOAKAWAYS, PRIVATE HARDSTANDINGS TOPERMEABLE PAVING AND DOMESTIC ROOFS TOPRIVATE SOAKAWAYS.

ALL FEATURES DESIGNED TO ACCOMODATE FLOWSASSOCIATED WITH THE 100YR RETURN PERIOD STORMEVENT PLUS 40% ALLOWANCE FOR CLIMATE CHANGE

FUTURE DEVELOPMENT PHASE.

ADOPTABLE HIGHWAYS TO DISCHARGE TO HIGHWAYSOAKAWAYS, PRIVATE HARDSTANDINGS TOPERMEABLE PAVING AND DOMESTIC ROOFS TOPRIVATE SOAKAWAYS.

ALL FEATURES DESIGNED TO ACCOMODATE FLOWSASSOCIATED WITH THE 100YR RETURN PERIOD STORMEVENT PLUS 40% ALLOWANCE FOR CLIMATE CHANGE

FUTURE DEVELOPMENT PHASE.

ADOPTABLE HIGHWAYS TO DISCHARGE TO HIGHWAYSOAKAWAYS, PRIVATE HARDSTANDINGS TOPERMEABLE PAVING AND DOMESTIC ROOFS TOPRIVATE SOAKAWAYS.

ALL FEATURES DESIGNED TO ACCOMODATE FLOWSASSOCIATED WITH THE 100YR RETURN PERIOD STORMEVENT PLUS 40% ALLOWANCE FOR CLIMATE CHANGE

FUTURE DEVELOPMENT PHASE.

ADOPTABLE HIGHWAYS TO DISCHARGE TO HIGHWAYSOAKAWAYS, PRIVATE HARDSTANDINGS TOPERMEABLE PAVING AND DOMESTIC ROOFS TOPRIVATE SOAKAWAYS.

ALL FEATURES DESIGNED TO ACCOMODATE FLOWSASSOCIATED WITH THE 100YR RETURN PERIOD STORMEVENT PLUS 40% ALLOWANCE FOR CLIMATE CHANGE

PHASE 1

HA-2

56SQM

79SQM

81SQM

85SQM

223SQM

23SQM

23SQM

45SQM

23SQM

85SQM

53SQM

79SQM

45SQM

56SQM

131SQM

45SQM

119SQM56SQM

23SQM

91SQM

47SQM

23SQM

85SQM

82SQM

78SQM

SWALE100m LENGTHBASE WIDTH = 0.3mSIDE SLOPES 1 IN 2DEPTH = 0.3m

FFL10.500FFL10.350 FFL10.050

FFL9.000

FFL8.100

FFL7.200

FFL6.000

FFL6.150

FFL6.300

FFL8.250

FFL8.250

FFL7.050

FFL6.450 FFL6.550

FFL10.350

FFL7.350

FFL7.350

FFL7.950

FFL7.950

FFL10.050

FFL6.550

FFL6.550

FFL7.500

FFL6.450FFL6.000

FFL10.350 FFL9.900

FFL8.400

FFL6.700

DIRECTION OF OVERLAND FLOOD FLOW ROUTING

SAFETY, HEALTH AND ENVIRONMENTAL INFORMATION BOXNOTES: THIS DRAWING IS TO BE READ IN CONJUNCTION WITH THE RISKREGISTER PRODUCED FOR INCLUSION IN THE HEALTH AND SAFETYPLAN. THE HAZARDS NOTED ARE IN ADDITION TO THE NORMALHAZARDS AND RISKS FACED BY A COMPETENT CONTRACTOR WHENDEALING WITH THE TYPE OF WORKS DETAILED ON THIS DRAWING.

CONSTRUCTION RISKS:

MAINTENANCE/CLEANING RISKS:

DEMOLITION RISKS:

!

TITLE

STAGE:-

DRAWN AUTHORISED DATE

PROJECT NO. DRAWING NO. REV

CLIENT

PROJECT

REV DESCRIPTION DATE BY AUTH

16 Meridian Way, Norwich, Norfolk, NR7 0TA

T: 01603 706 420 F: 01603 706 421 www.rossilong.co.uk

SCALE AT A1

A1

P4

PRELIMINARY

161068 SK-110

QUANTUM LAND(BRUNDALL) LIMITED

LAND AT BRUNDALL ROAD/LINKS ROAD, BRUNDALL

DRAINAGE STRATEGYMASTERPLAN

GMA ML 14.09.16 1:1000

PRELIMINARY DRAWING:THIS DRAWING IS FOR PRELIMINARY PURPOSES ONLYAND MUST NOT BE READ AS A CONSTRUCTION ISSUE.IT INDICATES DESIGN INTENT ONLY AND IS SUBJECT TOAMENDMENT DURING FINAL DESIGN DEVELOPMENT.

PRELIMINARY ISSUE. 19.09.16P1 GMA ML

ON

LY

IND

ICAT

IVE

N

NOTES:

1. DO NOT SCALE, IF IN DOUBT ASK.

2. THIS DRAWING IS TO BE READ IN CONJUNCTION WITH ALL RELEVANTSTRUCTURAL ENGINEER'S DRAWINGS AND DETAILS, THE SPECIFICATIONFOR THE WORKS, THE RELEVANT ARCHITECT'S DRAWINGS AND ANY OTHERSPECIALIST'S DRAWINGS.

3. THE PRINCIPAL CONTRACTOR IS TO PROVIDE FULLY DESIGNEDPROPPING/SHORING TO FACILITATE THE WORKS. ALL PROPPING & BRACINGIS TO BE ADEQUATELY FOUNDED TO ENSURE THE STABILITY/INTEGRITY OFTHE EXISTING/PROPOSED STRUCTURES &/OR EARTHWORKS ISMAINTAINED.

4. THIS DOCUMENT HAS BEEN PREPARED IN ACCORDANCE WITH THE SCOPEOF ROSSI LONG CONSULTING'S APPOINTMENT WITH ITS CLIENT AND ISSUBJECT TO THE TERMS OF THAT APPOINTMENT. ROSSI LONG CONSULTINGACCEPTS NO LIABILITY FOR ANY USE OF THIS DOCUMENT OTHER THAN BYITS CLIENT AND ONLY FOR THE PURPOSES FOR WHICH IT WAS PREPAREDAND PROVIDED.

© ROSSI LONG CONSULTING 2016.

NOTE: ONSITE POROSITY TESTS SHALLBE UNDERTAKEN AT THE LOCATIONAND DEPTH OF EACH SOAKAWAY TOVERIFY DESIGN PARAMETERS.

ALL ADOPTABLE FOUL SEWER WORKS TO BE DESIGNEDAND CONSTRUCTED IN FULL ACCORDANCE WITH SEWERSFOR ADOPTION 6TH EDITION.

GENERAL

18. ALL WORKS WITHIN THE EXISTING HIGHWAY SHALL BE CARRIED OUT FULLYIN ACCORDANCE WITH THE NEW WORKS AND STREET WORKS ACT 1991 ANDTO CHAPTER 8 OF THE TRAFFIC SIGNS MANUAL. THE CONTRACTOR SHALLPROVIDE, ERECT, MAINTAIN AND REMOVE UPON COMPLETION ALLTEMPORARY SIGNING REQUIRED FOR WORKS CARRIED OUT WITHIN THEHIGHWAY. THE CONTRACTOR SHALL LIAISE WITH NORFOLK COUNTYCOUNCIL WITH REGARD TO AGREEING APPROPRIATE METHODS OF TRAFFICMANAGEMENT.

19. THE REINSTATEMENT OF THE HIGHWAY SHALL BE CARRIED OUT FULLY INACCORDANCE WITH THE HAUC 'SPECIFICATION FOR THE REINSTATEMENTOF OPENINGS IN HIGHWAYS'. REINSTATEMENT SHALL BE PERMANENT (ONFIRST VISIT). TRENCH BACKFILL MATERIAL SHALL BE TYPE 1 GRANULARSUB-BASE.

20. THE CONTRACTOR SHALL SUBMIT TO THE STREET WORKS COORDINATORAND UTILITY COMPANIES THE APPROPRIATE 'N' NOTICES. UPONCOMPLETION OF THE WORKS THE CONTRACTOR SHALL SUBMIT TO THESTREET WORKS COORDINATOR THE APPROPRIATE 'R' NOTICE.

21. THE SURFACE COURSE ON THE ACCESS ROADS SHALL BE DEFERRED UNTILBUILDING WORK IS SUBSTANTIALLY COMPLETE. GULLY FRAMES ANDGRATES AND OTHER IRONWORK SHALL BE SET FLUSH WITH THE BINDERCOURSE AND RAISED AT THE TIME THE SURFACE COURSE IS LAID.

22. ALL ROAD SIGNS AND MARKINGS TO BE IN ACCORDANCE WITH THE TRAFFICSIGNS REGULATIONS AND GENERAL DIRECTIONS.

23. BOTH THE DOMESTIC FOUL AND STORM WATER DRAINAGE SHALL BESUBJECT TO INSPECTIONS BY THE LOCAL BUILDING CONTROL OFFICER. THECONTRACTOR SHALL LIAISE WITH THE BUILDING INSPECTOR WITH REGARDTO MAKING INSPECTIONS AT THE APPROPRIATE STAGES OF THE WORK.

24. ALL PROPRIETARY MATERIALS SHALL BE INSTALLED IN ACCORDANCE WITHTHE MANUFACTURER'S INSTRUCTIONS AND RECOMMENDATIONS.

25. PROTECTION TO DOMESTIC SEWERS: WHERE THE COVER TO PIPES UNDERTRAFFICKED AREAS IS LESS THAN 900mm OR UNDER NONE TRAFFICKEDAREAS IS LESS THAN 600mm THE PIPELINE SHALL BE PROTECTED WITH AMIN 150mm THICK CONCRETE SURROUND (BED TYPE Z1).

26. PROTECTION TO SW HIGHWAY SEWERS: WHERE THE COVER TO PIPESUNDER TRAFFICKED OR LANDSCAPED AREAS IS LESS THAN 1200mm THEPIPELINE SHALL BE PROTECTED WITH A MIN 150mm THICK CONCRETESURROUND (BED TYPE Z1).

27. ALL ANGLIAN WATER ADOPTABLE DRAINAGE WORKS WILL BE DESIGNEDAND INSTALLED IN ACCORDANCE WITH 'SEWERS FOR ADOPTION 6THEDITION' AND ANGLIAN WATERS ADDITIONS AND DELETIONS DOCUMENT.

28. EASEMENTS ARE TO BE PROVIDED WHERE EXISTING AND PROPOSED ANGLIANWATER SEWERS ARE NOT LOCATED WITHIN THE PUBLIC HIGHWAY.

29. PROTECTION TO ANGLIAN WATER ADOPTABLE SEWERS: WHERE THE COVERTO PIPES UNDER THE CARRIAGEWAY IS LESS THAN 1200mm OR UNDER NONTRAFFICKED AREAS IS LESS THAN 900mm THE PIPELINE SHALL BE PROTECTEDWITH A 175mm THICK REINFORCED CONCRETE SLAB (BED TYPE Z3).

30. ALL PIPES ENTERING OR LEAVING MANHOLES SHALL BE LAID WITH THEIRSOFFITS LEVEL, UNLESS SHOWN OR AGREED OTHERWISE.

31. ALL DOMESTIC SEWERS SHALL BE 100/110mm DIA CLAYWARE OR PVC UNLESSSTATED OTHERWISE. 100mmØ STORM SEWERS SHALL BE LAID AT A GRADIENTNO FLATTER THAN 1 IN 100, 150mmØ STORM SEWERS NO FLATTER THAN 1 IN150 AND 225mmØ NO FLATTER THAN 1 IN 210. 100mmØ FOUL SEWERS SHALL BELAID AT A GRADIENT NO FLATTER THAN 1 IN 80 IF AT LEAST 1 WC ISCONNECTED OR 1 IN 40 IF NO WC IS CONNECTED, 150mmØ FOUL SEWERS NOFLATTER THAN 1 IN 150.

32. REFER TO THE ARCHITECT'S AND ARBOCULTURIST DRAWINGS FORLANDSCAPING DETAILS AND FOR EXISTING TREES AND HEDGES THAT ARE TOBE REMOVED. NO TREES, HEDGES OR SHRUBS SHALL BE TAKEN UP OROTHERWISE DAMAGED UNLESS NOTED TO THE CONTRARY ON THE DRAWINGS,OR EXPRESS PERMISSION IS FIRST OBTAINED FROM THE EMPLOYER.

33. ALL SETTING OUT IS TO BE UNDERTAKEN USING WRITTEN COORDINATESPROVIDED ON DRAWINGS. UNDER NO CIRCUMSTANCES SHOULD SETTING OUTINFORMATION BE GROOMED USING SCALED OR MEASURED DIMENSIONSFROM THE DRAWINGS. THIS DRAWING IS TO BE USED ONLY TO PROVIDE THEINFORMATION INDICATED IN THE TITLE AND AS SHOWN ON HARD COPIES. ANYUSE AND MANIPULATION OF ELECTRONIC COPIES OF THIS DRAWING FORWHATEVER PURPOSE IS DONE SO ENTIRELY AT THE USERS OWN RISK.

34. AS UNDERLYING GROUND CONDITIONS MAY BE VARIABLE ACROSS THE SITETHE CONTRACTOR SHALL UNDERTAKE ONSITE POROSITY TESTS AT THELOCATION AND DEPTH OF EACH SOAKAWAY. TESTS SHOULD BE UNDERTAKENIN ACCORDANCE WITH BRE365 AND RESULTS FORWARDED TO THEENGINEERS TO ALLOW VERIFICATION OF DESIGNS.

35. EXISTING & PROPOSED LANDSCAPING PROPOSALS MUST BE IN ACCORDANCEWITH SEWERS FOR ADOPTION 6TH EDITION IN RELATION TO PROPOSED &EXISTING SEWERS. THIS IS:

1.0m = CLEAR ZONE EACH SIDE OF SEWER CENTRE LINE; 1.0m - 3.0m = LOW LYING SHRUBS/BUSHES ONLY; MINIMUM 6.0m = MOST TREES SPECIES; MINIMUM 12.0m = WILLOW AND POPLAR TREES

LAYOUT & STRATEGY UPDATED. 10.01.17P2 GMA RAC

LAYOUT & STRATEGY UPDATED. 12.07.17P3 JE RAC

LAYOUT & STRATEGY UPDATED. 09.11.17P4 GMA RAC

STORM WATER

1. THE INITIAL SECTION OF THE ACCESS ROAD INTO THW DEVELOPMENT IS TOBE SIDE HUNG TO ALLOW RUN-OFF INTO AN ADJACENT SHALLOW SWALE.THIS SWALE TRANSPORTS WATER TO A SHALLOW INFILTRATION BASIN.RUN-OFF FROM THE REMAINDER OF THE ADOPTABLE HIGHWAY SHALLDRAIN VIA A GRAVITY SURFACE WATER DRAINAGE SYSTEM WHICHOUTFALLS TO A SHALLOW INFILTRATION BASIN. THE BASINS & DRAINAGESYSTEMS HAVE BEEN DESIGNED TO ACCOMMODATE ALL STORMS UP TOAND INCLUDING THE 100YR + 40% EVENT.

2. ALL RUN-OFF FROM DOMESTIC ROOFS SHALL DRAIN VIA A SERIES OFGRAVITY SURFACE WATER DRAINAGE SYSTEMS WHICH EACH OUTFALL TOCELLULAR SOAKAWAYS. THE SOAKAWAYS AND DRAINAGE SYSTEMS ARE TOREMAIN PRIVATE AND HAVE BEEN DESIGNED TO ACCOMMODATE ALLSTORMS UP TO AND INCLUDING THE 100YR + 40% EVENT. WATER BUTTSARE TO BE PROVIDED TO EACH PROPERTY.

3. PRIVATE HARDSTANDINGS ARE TO BE CONSTRUCTED IN A PERMEABLEBLOCK PAVING ALLOWING ALL DISCHARGE TO INFILTRATE TO GROUND. THEPERMEABLE PAVING HAS BEEN DESIGNED TO ACCOMODATE ALL STORMSUP TO AND INCLUDING THE 100YR + 40% EVENT.

4. THE DESIGN OF EACH SOAKAWAY & THE PERMEABLE PAVING HAS BEENCALCULATED ON THE BASIS OF INFILTRATION TESTING UNDERTAKEN ONSITE IN ACCORDANCE WITH BRE 365. TEST PITS WHERE UNDERTAKEN INTHE VICINITY AND DEPTH OF THE PROPOSED INFILTRATION FEATURES.

FOUL WATER DRAINAGE

5. DOMESTIC FOUL SEWERAGE FROM THE DEVELOPMENT SHALL DRAIN VIA APRIVATE GRAVITY FOUL WATER DRAINAGE SYSTEM WHICH SHALLDISCHARGE INTO A NEW PUBLIC SEWER WITHIN THE PROPOSEDADOPTABLE HIGHWAYS. THE NEW PUBLIC SEWER WILL BE OFFERED FORADOPTION TO ANGLIAN WATER AS PART OF A S104 AGREEMENT AND WILLBE SUBJECT TO A S106 CONNECTION AGREEMENT. THE NEW SEWER IS TOCONNECT TO THE EXISTING ANGLIAN WATER PUBLIC SYSTEM PRIOR TO THEPUMP STATION.

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RS07

RS08

6.72

7.17

6.72

6.90

Dilap

idated

6.67

6.68

6.58

6.59

6.62

6.62

6.86

7.23

7.76

7.63 7.

87

8.60

8.53

9.16

9.17

9.61

9.99

10.83

11.02

10.98

10.92

11.20

11.20

11.46

12.04

12.02

11.93

11.98

11.77

11.14

10.4

9

8.81

7.48

6.46

5.92

5.49

5.02

5.42

5.09

5.58

6.02

6.56 6.93 6.71

6.61

6.38

6.19

6.30

6.80

8.00

9.13

10.00

10.75

11.03

10.21

9.13

8.01

6.87

6.19

6.05

6.20

6.44

5.98

5.81

6.00

6.71

7.76

8.61

9.77

10.75

10.76

9.51

8.11

7.17

6.63

6.10

5.73

5.82

6.31

7.00

7.99

11.27

11.93

12.30

12.91

13.21

5.81

4.96

4.55

4.36

5.96

6.28

7.05

7.26

8.60

8.45

10.38

10.50

11.48

11.38

4.03

4.12

4.40

3.33

2.44

3.41

2.62

3.31

2.58

3.21

2.62

3.15

2.53

3.36

2.63

3.42

2.46

3.44

2.73

3.46

2.43

3.392.61

3.37

2.69

3.25

2.43

3.21

2.47

3.31

2.683.28

2.67

1.67BL

2.94

2.59

3.12

2.61

3.18

2.57

3.08

2.39

3.24

2.44

1.82BL

3.30

2.69

ET

SY

SY

3.27

2.18

3.33

2.46

3.29

2.55

3.05

2.01

3.11

2.03

1.51BL

3.20

3.101.88

1.81

3.11

2.02

3.52

2.00

3.53

1.91

3.77

1.90

3.91

2.03

4.22

4.42

4.53

4.49

1.78

SY

SY

5.28

6.16

6.23

5.90

4.66

2.03

3.77

2.073.76

1.92

3.75

1.37

4.15

4.23

4.24

4.37

4.35

3.933.39

1.58

2.73

1.57

1.19BL

3.00

1.97

2.88

2.56

2.61

2.99

2.64

2.15

2.45

1.82

2.73

2.04

2.72

2.09

2.80

3.08

3.13

3.10

3.08

2.99

1.98

2.82

1.96

2.80

3.13

3.16

3.12

3.09

3.00

2.73

1.95

2.84

1.96

2.83

1.96

3.11

1.84

3.32

3.08

4.17

3.87

3.84

3.95

4.38

4.56

4.78

4.79

5.14

5.32

5.33

5.95

6.13

6.13

6.05

6.16

6.02

5.82

5.46

6.09

6.27

6.306.53

6.44 6.58

6.13

5.49

4.81

4.68

4.48

4.52

4.57 4.58

4.64

4.52

4.69

4.67

4.724.73

4.58

4.62

4.62

4.72

4.59

4.41

4.40

4.42

4.454.

46

4.39

3.843.42

3.58

3.91

4.43

4.40

4.47

4.61

5.27

5.09

5.09

4.68

4.02

3.48

3.48

3.53

3.122.99

3.13

3.05

3.17

3.27

3.27

3.16

3.16

2.82

2.91

UK Tree 15h

Dead Tree

Poplar Tree 16h

Eucalypts Tree 8h

UK Tree 10h

Oak Tree 10h

UK Tree 14h

UK Tree 11h

UK Tree 11h

12.12

EP

ET

4.01

3.92

3.96

4.10

4.19

3.85

4.03

PO

3.92

4.08

4.07

4.17

KO

SVWO

SV

MP

4.15

4.05

3.974.07

3.98

3.86

3.793.

91

3.95

3.93

3.99

4.05

4.18

4.55

4.08

4.38

3.96

4.31

4.39

4.364.

174.

354.

34

4.324.14

4.25

4.18

2.943.62

TOW

3.14

2.17

Concrete Pipe

EP

EP

Oak Tree 11h

UK Tree 14h

Oak Tree 14h

4.16

4.04

3.84

3.82

3.73

3.89

4.17

4.40

4.59

4.40

4.17

3.94

4.01

4.00

3.83

Conifer Tree 16h

3.904.

02

4.09

3.97

4.084.2

2

4.17

4.28

3.80GG

SV WO

MP

SV

SI

4.05MHL

3.71GG

NB

TC

4.594.73

4.704.60

4.534.65

4.51

4.64

4.66

4.84

4.81

4.704.83

4.724.95

4.764.76

MP

FHSV

SV

NB

MP

4.70GG

4.244.2

6

4.424.

55

4.60

4.674.

71

4.83

4.84GG5.

08

4.93

4.94

4.89

4.72

4.70

5.05

4.85

4.62

4.54

4.55

4.47 4.4

1

4.31

4.22

4.07

4.01

3.93

4.31

4.32

4.39

4.57

TCTP

4.45

4.76

GV

GV

GV

SV

FH MPMP MP4.55

TPLP

NB 4.64MHL

4.67MHL

4.66GG

WMSC SC

5.01ICL

4.68

4.43

SV

4.54

4.47

4.30

4.09

SV

WOSV

3.95

4.01

4.04

SLOW

4.10

EP

EP

EP

8.73RL

7.44EL

Oak Tree 14h

Oak Tree 9h

BU

5.06THL

4.86

4.93

5.17

5.12

5.32

5.02

5.01

4.79

PB

5.095.

165.31

5.19

5.91MHL

4.59

4.57

4.74

4.63

4.67

4.704.61

4.70 4.69

4.62

4.594.57

4.55

4.59

4.58MHL

MP

8.04RL

13.76RL

10.38RL

10.86EL

7.86EL

Oak Tree 14h

4.58

4.334.41

4.82

5.09

5.47

5.59 5.124.83

4.73

4.89 4.95 5.09 4.99

4.61

4.44

4.42

4.87

5.085.175.34

6.19

Oak Tree 16h

UK Tree 10h

5.626.21

Oak Tree 12h

Oak Tree 16h

Oak Tree 11h

UK Tree 8h

Sapling

8.06EL

3.74

3.58

3.40

3.36

4.07

1.81IL

1.951.86

4.15

4.34

4.60

4.56

4.48

4.49

4.38

UK Tree 16h

UK Tree 16h

UK Tree 16h

UK Tree 8h

UK Tree 8h

UK Tree 7h

UK Tree 7h

Alders 12

Alder Tree 7h

Alder Tree 7h

Alder Tree 7h

UK Tree 10h

UK Tree 10h

UK Tree 10h

P/R

1.2h

C/B

1.6h

C/B 1

.6h

C/B 1

.8h

P/W 1.3h

I/R

1.4h

P/R 1

.4h

P/R

1.6h

Head

Wall

P/W

1.2h

C/B

2.0h

C/B 1.8h

OHL

OHL

P/R

1.4h

C/L 2.4h

Unmade Track

C/L 2.4h

C/L 2.4h

I/R 1.4h

OHL

OHL

Fenc

e 1.2

h

Footp

ath -

Aspha

lt

UK Tree 8h

Mixed Species

Hedge 2.2h

Mixed Species

Hedge 4.0h

Grass Meadow

Marsh

Reeds

Drain

Young Alder Trees 4.0h AverageDense Vegetation - Unable to Survey

Young Alder Trees 4.0h AverageDense Vegetation - Unable to Survey

Young Alder Trees 4.0h AverageDense Vegetation - Unable to Survey

Ash Tree 11h

Alder Tree 12h

Mixe

d Sp

ecies

Hed

ge 2.4h

Oak Tree 18h

Oak Tree 14h

OHL

OHL

Drain

Mixed Species

Hedge 4.0h

Young Alder Trees 4.0h

P/R

1.2h

Hedg

e 3.

0h

Hedg

e 3.

0h

Hedg

e 3.

0h

UK Tree 8h UK Tree 8h

Unmade Track

Unmade Track

Unmade Track

Vegetation 1.4h

Vegetation 2.0h

Vegetation 2.0h

Mixed Species Hedge 4.0h Conifer Hedge 7.0h

C/L 2.4h

C/L 2.4h

P/R

1.6h

Gas

Unmade Track

Vegetation 2.0h

Vegetation 2.0h

Footpa

th -

Asp

halt

Footpa

th -

Asp

halt

P/R 1.6h

Unmade Track

Grass

Hed

ge 1.8

h

Two StoreyBrick Construction

Brick StoreyBrick Construction

Asph

alt -

30

mph

Asphalt - 30 mph

Asph

alt - 3

0 mph

Hedge 1.8h

Footpath - Asphalt

Youn

g Haw

thorn

Hedg

e 1.8h

1.57IL

Soffit

Mixe

d Sp

ecies

Hed

ge 4

.0h

Mixe

d Sp

ecies

Hedg

e 4.

0h

P/R

1.4h

Grass

Grass

Grass

Grass

Grass

Vegetation 2.0h

Concrete Pipe0.60Ø

308540.000mN

308520.000mN

308560.000mN

308580.000mN

308600.000mN

308760.000mN

308780.000mN

308800.000mN

308820.000mN

308840.000mN

2.000

R10

.000

1000

YR F

LOO

D LI

NE

48.40

0 SEPARATIO

N BETWEEN JUNCTIO

NS

22.100

R10.000

2.4m x

43m VISIBILI

TY SPLAY

2.4m

x 43

m V

ISIB

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LAY

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E

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Living /Dining Room

Kitchen

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WC

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car port

hall

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WC

store

dining

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car port

6.000

2.000

6.000

2.000

2.000

6.000

6.000

R26.000

8.00

08.000

3.7003.700

3.70

0

2.000

RG

RG

RG

RG

RG

RG

RG

RG

RG

2.000 2.000

RG

RG

RG

RG

RG

R26

.000

RG

RG

FOUL WATER CONNECTIONPOINT TO EXISTING SEWERPRIOR TO EXISTING PUMPSTATION (SUBJECT TOANGLIAN WATER APPROVAL)

EXTE

NT

OF

RO

AD T

O A

CC

ESS

PHAS

E 1

EXISTING ANGLIANWATER PUMP STATION

100yr +CC FLOOD EXTENT

PRIVATE DRIVEWAY -PERMEABLE BLOCKPAVING

TYPE 2ACCESSROAD

TYPE 2ACCESSROAD

TYPE 2ACCESSROAD

TYPE 2 ACCESS ROAD TO BESIDE HUNG FOR FIRST 150mINTO DEVELOPMENT. PROVIDEWITH FLUSH EDGING KERB &SURFACE WATER RUN-OFF TOADJACENT HIGHWAY SWALE

TYPE 2ACCESSROAD

H

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C

'

b

d

D

i

n

i

n

g

K

i

t

c

h

e

n

U

t

i

l

i

t

y

HA-2

HA-2

R20.000

R23.000

R22.800

4.8001.000

4.80

0

5.800

R4.500

R4.500

R20.000

R20.000

ADOPTABLE ROAD INTRADITIONAL BLOCK PAVING

PRIVATE DRIVEWAY -PERMEABLE BLOCKPAVING

PRIVATE DRIVEWAY -PERMEABLE BLOCKPAVING

PRIVATE DRIVEWAY -PERMEABLE BLOCKPAVING

PRIVATE DRIVEWAY -PERMEABLE BLOCKPAVING

PRIVATE DRIVEWAY -PERMEABLE BLOCKPAVING

PRIVATE DRIVEWAY -PERMEABLE BLOCKPAVING

PRIVATE DRIVEWAY -PERMEABLE BLOCKPAVING

PRIVATE DRIVEWAY -PERMEABLE BLOCKPAVING

PRIVATE DRIVEWAY -PERMEABLE BLOCKPAVING

PRIVATE DRIVEWAY -PERMEABLE BLOCKPAVING

PRIVATE DRIVEWAY -PERMEABLE BLOCKPAVING

PRIVATE DRIVEWAY -PERMEABLE BLOCKPAVING

PRIVATE DRIVEWAY -PERMEABLE BLOCKPAVING

PRIVATE DRIVEWAY -PERMEABLE BLOCKPAVING

RG

RG

PHASE 1

HA-2

56SQM

79SQM

81SQM

85SQM

223SQM

23SQM

23SQM

45SQM

23SQM

85SQM

53SQM

79SQM

45SQM

56SQM

131SQM

45SQM

119SQM56SQM

23SQM

91SQM

47SQM

23SQM

85SQM

82SQM

78SQM

SWALE100m LENGTHBASE WIDTH = 0.3mSIDE SLOPES 1 IN 2DEPTH = 0.3m

FFL10.500FFL10.350 FFL10.050

FFL9.000

FFL8.100

FFL7.200

FFL6.000

FFL6.150

FFL6.300

FFL8.250

FFL8.250

FFL7.050

FFL6.450 FFL6.550

FFL10.350

FFL7.350

FFL7.350

FFL7.950

FFL7.950

FFL10.050

FFL6.550

FFL6.550

FFL7.500

FFL6.450FFL6.000

FFL10.350 FFL9.900

FFL8.400

FFL6.700

47.311 PROPOSED FINISHED SURFACE LEVEL

PROPOSED DOMESTIC FOUL WATER DRAIN100mmØ UNLESS STATED OTHERWISE

PROPOSED DOMESTIC STORM WATER DRAIN100mmØ UNLESS STATED OTHERWISE

HB100 PROPOSED CONCRETE HALF BATTERED KERBWITH 100mm KERB FACE

PROPOSED BULL NOSED CONCRETE KERB WITH KERB FACE UPSTAND AS SPECIFIED

LEGEND

TR PROPOSED CONCRETE TRANSITIONAL KERB

PROPOSED STORM WATER RODDING EYE

BN50

DOMESTIC FW CHAMBER (SIC/UIC/NIC) WITH REFERENCE NUMBER - REFER TO SCHEDULES

BN25

EF PROPOSED CONCRETE FOOTWAY EDGING

DOMESTIC SOAKAWAY IN WAVIN AQUACELL'S (OR SIMILAR APPROVED) TYPE, SIZE & DEPTHS AS

PROPOSED ADOPTABLE FOUL WATER CHAMBER WITH REFERENCE NUMBER

RG PROPOSED ROAD GULLY & CONNECTION

PROPOSED ADOPTABLE FOUL WATER SEWERSIZE AND GRADIENT AS SPECIFIED

PROPOSED ADOPTABLE HIGHWAY SEWER CHAMBER WITH REFERENCE NUMBER

PROPOSED ADOPTABLE HIGHWAY SEWER SIZE AND GRADIENT AS SPECIFIED

CB0 PROPOSED CONCRETE CHANNEL BLOCK

REFER TO SCHEDULES FOR FULL DETAILS

DOMESTIC SW CHAMBER (SIC/UIC/NIC) WITH REFERENCE NUMBER - REFER TO SCHEDULES

REFER TO SCHEDULES FOR FULL DETAILS

BN0

SPECIFIED IN SCHEDULES

DOMESTIC SW CHAMBER (SILT TRAP) WITH REFERENCE NUMBER - REFER TO SCHEDULES

PROPOSED AREAS OF PRIVATEPERMEABLE PAVING CONSTRUCTION

DIRECTION OF OVERLAND FLOOD FLOW ROUTING

SAFETY, HEALTH AND ENVIRONMENTAL INFORMATION BOXNOTES: THIS DRAWING IS TO BE READ IN CONJUNCTION WITH THE RISKREGISTER PRODUCED FOR INCLUSION IN THE HEALTH AND SAFETYPLAN. THE HAZARDS NOTED ARE IN ADDITION TO THE NORMALHAZARDS AND RISKS FACED BY A COMPETENT CONTRACTOR WHENDEALING WITH THE TYPE OF WORKS DETAILED ON THIS DRAWING.

CONSTRUCTION RISKS:

MAINTENANCE/CLEANING RISKS:

DEMOLITION RISKS:

!

TITLE

STAGE:-

DRAWN AUTHORISED DATE

PROJECT NO. DRAWING NO. REV

CLIENT

PROJECT

REV DESCRIPTION DATE BY AUTH

16 Meridian Way, Norwich, Norfolk, NR7 0TA

T: 01603 706 420 F: 01603 706 421 www.rossilong.co.uk

SCALE AT A1

A1

P4

PRELIMINARY

161068 SK-120

QUANTUM LAND(BRUNDALL) LIMITED

LAND AT BRUNDALL ROAD/LINKS ROAD, BRUNDALL

DETAILED DRAINAGE STRATEGYFOR PHASE 1 & ACCESS ROAD

GMA ML 14.09.16 1:500

PRELIMINARY DRAWING:THIS DRAWING IS FOR PRELIMINARY PURPOSES ONLYAND MUST NOT BE READ AS A CONSTRUCTION ISSUE.IT INDICATES DESIGN INTENT ONLY AND IS SUBJECT TOAMENDMENT DURING FINAL DESIGN DEVELOPMENT.

PRELIMINARY ISSUE. 19.09.16P1 GMA ML

ON

LY

IND

ICAT

IVE

NNOTE: ONSITE POROSITY TESTS SHALLBE UNDERTAKEN AT THE LOCATIONAND DEPTH OF EACH SOAKAWAY TOVERIFY DESIGN PARAMETERS.

ALL ADOPTABLE FOUL SEWER WORKS TO BE DESIGNEDAND CONSTRUCTED IN FULL ACCORDANCE WITH SEWERSFOR ADOPTION 6TH EDITION.

LAYOUT & STRATEGY UPDATED. 10.01.17P2 GMA RAC

NOTES:

1. DO NOT SCALE, IF IN DOUBT ASK.

2. THIS DRAWING IS TO BE READ IN CONJUNCTION WITH ALL RELEVANTSTRUCTURAL ENGINEER'S DRAWINGS AND DETAILS, THE SPECIFICATIONFOR THE WORKS, THE RELEVANT ARCHITECT'S DRAWINGS AND ANY OTHERSPECIALIST'S DRAWINGS.

3. THE PRINCIPAL CONTRACTOR IS TO PROVIDE FULLY DESIGNEDPROPPING/SHORING TO FACILITATE THE WORKS. ALL PROPPING & BRACINGIS TO BE ADEQUATELY FOUNDED TO ENSURE THE STABILITY/INTEGRITY OFTHE EXISTING/PROPOSED STRUCTURES &/OR EARTHWORKS ISMAINTAINED.

4. THIS DOCUMENT HAS BEEN PREPARED IN ACCORDANCE WITH THE SCOPEOF ROSSI LONG CONSULTING'S APPOINTMENT WITH ITS CLIENT AND ISSUBJECT TO THE TERMS OF THAT APPOINTMENT. ROSSI LONG CONSULTINGACCEPTS NO LIABILITY FOR ANY USE OF THIS DOCUMENT OTHER THAN BYITS CLIENT AND ONLY FOR THE PURPOSES FOR WHICH IT WAS PREPAREDAND PROVIDED.

© ROSSI LONG CONSULTING 2016.

STORM WATER

1. THE INITIAL SECTION OF THE ACCESS ROAD INTO THW DEVELOPMENT IS TOBE SIDE HUNG TO ALLOW RUN-OFF INTO AN ADJACENT SHALLOW SWALE.THIS SWALE TRANSPORTS WATER TO A SHALLOW INFILTRATION BASIN.RUN-OFF FROM THE REMAINDER OF THE ADOPTABLE HIGHWAY SHALLDRAIN VIA A GRAVITY SURFACE WATER DRAINAGE SYSTEM WHICHOUTFALLS TO A SHALLOW INFILTRATION BASIN. THE BASINS & DRAINAGESYSTEMS HAVE BEEN DESIGNED TO ACCOMMODATE ALL STORMS UP TOAND INCLUDING THE 100YR + 40% EVENT.

2. ALL RUN-OFF FROM DOMESTIC ROOFS SHALL DRAIN VIA A SERIES OFGRAVITY SURFACE WATER DRAINAGE SYSTEMS WHICH EACH OUTFALL TOCELLULAR SOAKAWAYS. THE SOAKAWAYS AND DRAINAGE SYSTEMS ARE TOREMAIN PRIVATE AND HAVE BEEN DESIGNED TO ACCOMMODATE ALLSTORMS UP TO AND INCLUDING THE 100YR + 40% EVENT. WATER BUTTSARE TO BE PROVIDED TO EACH PROPERTY.

3. PRIVATE HARDSTANDINGS ARE TO BE CONSTRUCTED IN A PERMEABLEBLOCK PAVING ALLOWING ALL DISCHARGE TO INFILTRATE TO GROUND. THEPERMEABLE PAVING HAS BEEN DESIGNED TO ACCOMODATE ALL STORMSUP TO AND INCLUDING THE 100YR + 40% EVENT.

4. THE DESIGN OF EACH SOAKAWAY & THE PERMEABLE PAVING HAS BEENCALCULATED ON THE BASIS OF INFILTRATION TESTING UNDERTAKEN ONSITE IN ACCORDANCE WITH BRE 365. TEST PITS WHERE UNDERTAKEN INTHE VICINITY AND DEPTH OF THE PROPOSED INFILTRATION FEATURES.

FOUL WATER DRAINAGE

5. DOMESTIC FOUL SEWERAGE FROM THE DEVELOPMENT SHALL DRAIN VIA APRIVATE GRAVITY FOUL WATER DRAINAGE SYSTEM WHICH SHALLDISCHARGE INTO A NEW PUBLIC SEWER WITHIN THE PROPOSEDADOPTABLE HIGHWAYS. THE NEW PUBLIC SEWER WILL BE OFFERED FORADOPTION TO ANGLIAN WATER AS PART OF A S104 AGREEMENT AND WILLBE SUBJECT TO A S106 CONNECTION AGREEMENT. THE NEW SEWER IS TOCONNECT TO THE EXISTING ANGLIAN WATER PUBLIC SYSTEM PRIOR TO THEPUMP STATION.

GENERAL

18. ALL WORKS WITHIN THE EXISTING HIGHWAY SHALL BE CARRIED OUT FULLYIN ACCORDANCE WITH THE NEW WORKS AND STREET WORKS ACT 1991 ANDTO CHAPTER 8 OF THE TRAFFIC SIGNS MANUAL. THE CONTRACTOR SHALLPROVIDE, ERECT, MAINTAIN AND REMOVE UPON COMPLETION ALLTEMPORARY SIGNING REQUIRED FOR WORKS CARRIED OUT WITHIN THEHIGHWAY. THE CONTRACTOR SHALL LIAISE WITH NORFOLK COUNTYCOUNCIL WITH REGARD TO AGREEING APPROPRIATE METHODS OF TRAFFICMANAGEMENT.

19. THE REINSTATEMENT OF THE HIGHWAY SHALL BE CARRIED OUT FULLY INACCORDANCE WITH THE HAUC 'SPECIFICATION FOR THE REINSTATEMENTOF OPENINGS IN HIGHWAYS'. REINSTATEMENT SHALL BE PERMANENT (ONFIRST VISIT). TRENCH BACKFILL MATERIAL SHALL BE TYPE 1 GRANULARSUB-BASE.

20. THE CONTRACTOR SHALL SUBMIT TO THE STREET WORKS COORDINATORAND UTILITY COMPANIES THE APPROPRIATE 'N' NOTICES. UPONCOMPLETION OF THE WORKS THE CONTRACTOR SHALL SUBMIT TO THESTREET WORKS COORDINATOR THE APPROPRIATE 'R' NOTICE.

21. THE SURFACE COURSE ON THE ACCESS ROADS SHALL BE DEFERRED UNTILBUILDING WORK IS SUBSTANTIALLY COMPLETE. GULLY FRAMES ANDGRATES AND OTHER IRONWORK SHALL BE SET FLUSH WITH THE BINDERCOURSE AND RAISED AT THE TIME THE SURFACE COURSE IS LAID.

22. ALL ROAD SIGNS AND MARKINGS TO BE IN ACCORDANCE WITH THE TRAFFICSIGNS REGULATIONS AND GENERAL DIRECTIONS.

23. BOTH THE DOMESTIC FOUL AND STORM WATER DRAINAGE SHALL BESUBJECT TO INSPECTIONS BY THE LOCAL BUILDING CONTROL OFFICER. THECONTRACTOR SHALL LIAISE WITH THE BUILDING INSPECTOR WITH REGARDTO MAKING INSPECTIONS AT THE APPROPRIATE STAGES OF THE WORK.

24. ALL PROPRIETARY MATERIALS SHALL BE INSTALLED IN ACCORDANCE WITHTHE MANUFACTURER'S INSTRUCTIONS AND RECOMMENDATIONS.

25. PROTECTION TO DOMESTIC SEWERS: WHERE THE COVER TO PIPES UNDERTRAFFICKED AREAS IS LESS THAN 900mm OR UNDER NONE TRAFFICKEDAREAS IS LESS THAN 600mm THE PIPELINE SHALL BE PROTECTED WITH AMIN 150mm THICK CONCRETE SURROUND (BED TYPE Z1).

26. PROTECTION TO SW HIGHWAY SEWERS: WHERE THE COVER TO PIPESUNDER TRAFFICKED OR LANDSCAPED AREAS IS LESS THAN 1200mm THEPIPELINE SHALL BE PROTECTED WITH A MIN 150mm THICK CONCRETESURROUND (BED TYPE Z1).

27. ALL ANGLIAN WATER ADOPTABLE DRAINAGE WORKS WILL BE DESIGNEDAND INSTALLED IN ACCORDANCE WITH 'SEWERS FOR ADOPTION 6THEDITION' AND ANGLIAN WATERS ADDITIONS AND DELETIONS DOCUMENT.

28. EASEMENTS ARE TO BE PROVIDED WHERE EXISTING AND PROPOSED ANGLIANWATER SEWERS ARE NOT LOCATED WITHIN THE PUBLIC HIGHWAY.

29. PROTECTION TO ANGLIAN WATER ADOPTABLE SEWERS: WHERE THE COVERTO PIPES UNDER THE CARRIAGEWAY IS LESS THAN 1200mm OR UNDER NONTRAFFICKED AREAS IS LESS THAN 900mm THE PIPELINE SHALL BE PROTECTEDWITH A 175mm THICK REINFORCED CONCRETE SLAB (BED TYPE Z3).

30. ALL PIPES ENTERING OR LEAVING MANHOLES SHALL BE LAID WITH THEIRSOFFITS LEVEL, UNLESS SHOWN OR AGREED OTHERWISE.

31. ALL DOMESTIC SEWERS SHALL BE 100/110mm DIA CLAYWARE OR PVC UNLESSSTATED OTHERWISE. 100mmØ STORM SEWERS SHALL BE LAID AT A GRADIENTNO FLATTER THAN 1 IN 100, 150mmØ STORM SEWERS NO FLATTER THAN 1 IN150 AND 225mmØ NO FLATTER THAN 1 IN 210. 100mmØ FOUL SEWERS SHALL BELAID AT A GRADIENT NO FLATTER THAN 1 IN 80 IF AT LEAST 1 WC ISCONNECTED OR 1 IN 40 IF NO WC IS CONNECTED, 150mmØ FOUL SEWERS NOFLATTER THAN 1 IN 150.

32. REFER TO THE ARCHITECT'S AND ARBOCULTURIST DRAWINGS FORLANDSCAPING DETAILS AND FOR EXISTING TREES AND HEDGES THAT ARE TOBE REMOVED. NO TREES, HEDGES OR SHRUBS SHALL BE TAKEN UP OROTHERWISE DAMAGED UNLESS NOTED TO THE CONTRARY ON THE DRAWINGS,OR EXPRESS PERMISSION IS FIRST OBTAINED FROM THE EMPLOYER.

33. ALL SETTING OUT IS TO BE UNDERTAKEN USING WRITTEN COORDINATESPROVIDED ON DRAWINGS. UNDER NO CIRCUMSTANCES SHOULD SETTING OUTINFORMATION BE GROOMED USING SCALED OR MEASURED DIMENSIONSFROM THE DRAWINGS. THIS DRAWING IS TO BE USED ONLY TO PROVIDE THEINFORMATION INDICATED IN THE TITLE AND AS SHOWN ON HARD COPIES. ANYUSE AND MANIPULATION OF ELECTRONIC COPIES OF THIS DRAWING FORWHATEVER PURPOSE IS DONE SO ENTIRELY AT THE USERS OWN RISK.

34. AS UNDERLYING GROUND CONDITIONS MAY BE VARIABLE ACROSS THE SITETHE CONTRACTOR SHALL UNDERTAKE ONSITE POROSITY TESTS AT THELOCATION AND DEPTH OF EACH SOAKAWAY. TESTS SHOULD BE UNDERTAKENIN ACCORDANCE WITH BRE365 AND RESULTS FORWARDED TO THEENGINEERS TO ALLOW VERIFICATION OF DESIGNS.

35. EXISTING & PROPOSED LANDSCAPING PROPOSALS MUST BE IN ACCORDANCEWITH SEWERS FOR ADOPTION 6TH EDITION IN RELATION TO PROPOSED &EXISTING SEWERS. THIS IS:

1.0m = CLEAR ZONE EACH SIDE OF SEWER CENTRE LINE; 1.0m - 3.0m = LOW LYING SHRUBS/BUSHES ONLY; MINIMUM 6.0m = MOST TREES SPECIES; MINIMUM 12.0m = WILLOW AND POPLAR TREES

LAYOUT & STRATEGY UPDATED. 12.07.17P3 JE RAC

LAYOUT & STRATEGY UPDATED. 09.11.17P4 GMA RAC

Rossi Long Consulting Ltd Page 1

16 Meridian Way BRUNDALL

Norwich HIGHWAY BASIN A

NR7 0TA

Date 09/11/2017 14:38 Designed by GMA

File Highway A.srcx Checked by

XP Solutions Source Control 2017.1.2

Summary of Results for 100 year Return Period (+40%)

©1982-2017 XP Solutions

Half Drain Time : 175 minutes.

Storm

Event

Max

Level

(m)

Max

Depth

(m)

Max

Infiltration

(l/s)

Max

Volume

(m³)

Status

15 min Summer 3.688 0.088 2.1 23.5 O K

30 min Summer 3.711 0.111 2.2 29.9 O K

60 min Summer 3.730 0.130 2.3 35.3 O K

120 min Summer 3.740 0.140 2.3 38.1 O K

180 min Summer 3.740 0.140 2.3 38.2 O K

240 min Summer 3.738 0.138 2.3 37.6 O K

360 min Summer 3.733 0.133 2.3 36.0 O K

480 min Summer 3.726 0.126 2.3 34.2 O K

600 min Summer 3.719 0.119 2.2 32.2 O K

720 min Summer 3.712 0.112 2.2 30.2 O K

960 min Summer 3.699 0.099 2.2 26.6 O K

1440 min Summer 3.677 0.077 2.1 20.6 O K

2160 min Summer 3.655 0.055 2.0 14.6 O K

2880 min Summer 3.646 0.046 1.9 12.0 O K

4320 min Summer 3.635 0.035 1.4 9.2 O K

5760 min Summer 3.629 0.029 1.2 7.5 O K

7200 min Summer 3.625 0.025 1.0 6.4 O K

8640 min Summer 3.622 0.022 0.9 5.6 O K

10080 min Summer 3.619 0.019 0.8 5.0 O K

15 min Winter 3.699 0.099 2.2 26.4 O K

Storm

Event

Rain

(mm/hr)

Flooded

Volume

(m³)

Time-Peak

(mins)

15 min Summer 138.153 0.0 18

30 min Summer 90.705 0.0 33

60 min Summer 56.713 0.0 62

120 min Summer 34.246 0.0 118

180 min Summer 25.149 0.0 146

240 min Summer 20.078 0.0 176

360 min Summer 14.585 0.0 244

480 min Summer 11.622 0.0 312

600 min Summer 9.738 0.0 380

720 min Summer 8.424 0.0 448

960 min Summer 6.697 0.0 578

1440 min Summer 4.839 0.0 822

2160 min Summer 3.490 0.0 1168

2880 min Summer 2.766 0.0 1500

4320 min Summer 1.989 0.0 2244

5760 min Summer 1.573 0.0 2944

7200 min Summer 1.311 0.0 3672

8640 min Summer 1.129 0.0 4408

10080 min Summer 0.994 0.0 5144

15 min Winter 138.153 0.0 18

Rossi Long Consulting Ltd Page 2

16 Meridian Way BRUNDALL

Norwich HIGHWAY BASIN A

NR7 0TA

Date 09/11/2017 14:38 Designed by GMA

File Highway A.srcx Checked by

XP Solutions Source Control 2017.1.2

Summary of Results for 100 year Return Period (+40%)

©1982-2017 XP Solutions

Storm

Event

Max

Level

(m)

Max

Depth

(m)

Max

Infiltration

(l/s)

Max

Volume

(m³)

Status

30 min Winter 3.725 0.125 2.3 33.7 O K

60 min Winter 3.747 0.147 2.3 40.0 O K

120 min Winter 3.759 0.159 2.4 43.7 O K

180 min Winter 3.759 0.159 2.4 43.6 O K

240 min Winter 3.756 0.156 2.4 42.7 O K

360 min Winter 3.748 0.148 2.3 40.4 O K

480 min Winter 3.738 0.138 2.3 37.5 O K

600 min Winter 3.728 0.128 2.3 34.5 O K

720 min Winter 3.717 0.117 2.2 31.6 O K

960 min Winter 3.698 0.098 2.2 26.2 O K

1440 min Winter 3.667 0.067 2.1 17.7 O K

2160 min Winter 3.645 0.045 1.8 11.9 O K

2880 min Winter 3.637 0.037 1.5 9.7 O K

4320 min Winter 3.628 0.028 1.1 7.2 O K

5760 min Winter 3.622 0.022 0.9 5.7 O K

7200 min Winter 3.619 0.019 0.7 4.8 O K

8640 min Winter 3.616 0.016 0.6 4.2 O K

10080 min Winter 3.614 0.014 0.6 3.6 O K

Storm

Event

Rain

(mm/hr)

Flooded

Volume

(m³)

Time-Peak

(mins)

30 min Winter 90.705 0.0 32

60 min Winter 56.713 0.0 60

120 min Winter 34.246 0.0 116

180 min Winter 25.149 0.0 168

240 min Winter 20.078 0.0 190

360 min Winter 14.585 0.0 266

480 min Winter 11.622 0.0 340

600 min Winter 9.738 0.0 412

720 min Winter 8.424 0.0 482

960 min Winter 6.697 0.0 616

1440 min Winter 4.839 0.0 852

2160 min Winter 3.490 0.0 1168

2880 min Winter 2.766 0.0 1528

4320 min Winter 1.989 0.0 2244

5760 min Winter 1.573 0.0 2944

7200 min Winter 1.311 0.0 3728

8640 min Winter 1.129 0.0 4384

10080 min Winter 0.994 0.0 5104

Rossi Long Consulting Ltd Page 3

16 Meridian Way BRUNDALL

Norwich HIGHWAY BASIN A

NR7 0TA

Date 09/11/2017 14:38 Designed by GMA

File Highway A.srcx Checked by

XP Solutions Source Control 2017.1.2

Rainfall Details

©1982-2017 XP Solutions

Rainfall Model FSR Winter Storms Yes

Return Period (years) 100 Cv (Summer) 0.750

Region England and Wales Cv (Winter) 0.840

M5-60 (mm) 20.000 Shortest Storm (mins) 15

Ratio R 0.400 Longest Storm (mins) 10080

Summer Storms Yes Climate Change % +40

Time Area Diagram

Total Area (ha) 0.096

Time

From:

(mins)

To:

Area

(ha)

0 4 0.096

Rossi Long Consulting Ltd Page 4

16 Meridian Way BRUNDALL

Norwich HIGHWAY BASIN A

NR7 0TA

Date 09/11/2017 14:38 Designed by GMA

File Highway A.srcx Checked by

XP Solutions Source Control 2017.1.2

Model Details

©1982-2017 XP Solutions

Storage is Online Cover Level (m) 4.600

Infiltration Basin Structure

Invert Level (m) 3.600 Safety Factor 2.0

Infiltration Coefficient Base (m/hr) 0.05256 Porosity 1.00

Infiltration Coefficient Side (m/hr) 0.05256

Depth (m) Area (m²) Depth (m) Area (m²) Depth (m) Area (m²) Depth (m) Area (m²)

0.000 257.9 1.400 0.0 2.800 0.0 4.200 0.0

0.200 299.1 1.600 0.0 3.000 0.0 4.400 0.0

0.400 342.5 1.800 0.0 3.200 0.0 4.600 0.0

0.600 388.2 2.000 0.0 3.400 0.0 4.800 0.0

0.800 436.1 2.200 0.0 3.600 0.0 5.000 0.0

1.000 486.4 2.400 0.0 3.800 0.0

1.200 0.0 2.600 0.0 4.000 0.0

Rossi Long Consulting Ltd Page 1

16 Meridian Way BRUNDALL

Norwich HIGHWAY BASIN B

NR7 0TA

Date 09/11/2017 16:25 Designed by GMA

File Highway B.srcx Checked by

XP Solutions Source Control 2017.1.2

Summary of Results for 100 year Return Period (+40%)

©1982-2017 XP Solutions

Half Drain Time : 77 minutes.

Storm

Event

Max

Level

(m)

Max

Depth

(m)

Max

Infiltration

(l/s)

Max

Volume

(m³)

Status

15 min Summer 3.869 0.269 7.2 41.4 O K

30 min Summer 3.922 0.322 7.8 50.9 O K

60 min Summer 3.949 0.349 8.1 55.9 O K

120 min Summer 3.950 0.350 8.1 56.0 O K

180 min Summer 3.936 0.336 7.9 53.4 O K

240 min Summer 3.918 0.318 7.7 50.2 O K

360 min Summer 3.884 0.284 7.4 44.1 O K

480 min Summer 3.853 0.253 7.1 38.7 O K

600 min Summer 3.824 0.224 6.8 33.9 O K

720 min Summer 3.799 0.199 6.5 29.7 O K

960 min Summer 3.755 0.155 6.1 22.6 O K

1440 min Summer 3.692 0.092 5.5 13.0 O K

2160 min Summer 3.649 0.049 5.0 6.8 O K

2880 min Summer 3.640 0.040 4.0 5.5 O K

4320 min Summer 3.629 0.029 2.9 4.0 O K

5760 min Summer 3.623 0.023 2.3 3.2 O K

7200 min Summer 3.620 0.020 2.0 2.7 O K

8640 min Summer 3.617 0.017 1.7 2.3 O K

10080 min Summer 3.615 0.015 1.5 2.0 O K

15 min Winter 3.899 0.299 7.5 46.8 O K

Storm

Event

Rain

(mm/hr)

Flooded

Volume

(m³)

Time-Peak

(mins)

15 min Summer 138.153 0.0 17

30 min Summer 90.705 0.0 31

60 min Summer 56.713 0.0 56

120 min Summer 34.246 0.0 88

180 min Summer 25.149 0.0 122

240 min Summer 20.078 0.0 156

360 min Summer 14.585 0.0 224

480 min Summer 11.622 0.0 290

600 min Summer 9.738 0.0 354

720 min Summer 8.424 0.0 418

960 min Summer 6.697 0.0 538

1440 min Summer 4.839 0.0 768

2160 min Summer 3.490 0.0 1100

2880 min Summer 2.766 0.0 1468

4320 min Summer 1.989 0.0 2196

5760 min Summer 1.573 0.0 2896

7200 min Summer 1.311 0.0 3664

8640 min Summer 1.129 0.0 4320

10080 min Summer 0.994 0.0 5136

15 min Winter 138.153 0.0 17

Rossi Long Consulting Ltd Page 2

16 Meridian Way BRUNDALL

Norwich HIGHWAY BASIN B

NR7 0TA

Date 09/11/2017 16:25 Designed by GMA

File Highway B.srcx Checked by

XP Solutions Source Control 2017.1.2

Summary of Results for 100 year Return Period (+40%)

©1982-2017 XP Solutions

Storm

Event

Max

Level

(m)

Max

Depth

(m)

Max

Infiltration

(l/s)

Max

Volume

(m³)

Status

30 min Winter 3.961 0.361 8.2 58.0 O K

60 min Winter 3.994 0.394 8.5 64.4 O K

120 min Winter 3.992 0.392 8.5 64.0 O K

180 min Winter 3.973 0.373 8.3 60.2 O K

240 min Winter 3.947 0.347 8.0 55.5 O K

360 min Winter 3.897 0.297 7.5 46.5 O K

480 min Winter 3.853 0.253 7.1 38.7 O K

600 min Winter 3.812 0.212 6.7 31.9 O K

720 min Winter 3.777 0.177 6.3 26.1 O K

960 min Winter 3.717 0.117 5.7 16.9 O K

1440 min Winter 3.650 0.050 5.1 6.9 O K

2160 min Winter 3.637 0.037 3.7 5.1 O K

2880 min Winter 3.629 0.029 2.9 4.0 O K

4320 min Winter 3.621 0.021 2.1 2.9 O K

5760 min Winter 3.617 0.017 1.7 2.3 O K

7200 min Winter 3.614 0.014 1.4 1.9 O K

8640 min Winter 3.612 0.012 1.2 1.7 O K

10080 min Winter 3.611 0.011 1.1 1.5 O K

Storm

Event

Rain

(mm/hr)

Flooded

Volume

(m³)

Time-Peak

(mins)

30 min Winter 90.705 0.0 31

60 min Winter 56.713 0.0 58

120 min Winter 34.246 0.0 94

180 min Winter 25.149 0.0 132

240 min Winter 20.078 0.0 168

360 min Winter 14.585 0.0 240

480 min Winter 11.622 0.0 308

600 min Winter 9.738 0.0 374

720 min Winter 8.424 0.0 436

960 min Winter 6.697 0.0 558

1440 min Winter 4.839 0.0 738

2160 min Winter 3.490 0.0 1108

2880 min Winter 2.766 0.0 1468

4320 min Winter 1.989 0.0 2180

5760 min Winter 1.573 0.0 2944

7200 min Winter 1.311 0.0 3600

8640 min Winter 1.129 0.0 4400

10080 min Winter 0.994 0.0 5112

Rossi Long Consulting Ltd Page 3

16 Meridian Way BRUNDALL

Norwich HIGHWAY BASIN B

NR7 0TA

Date 09/11/2017 16:25 Designed by GMA

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Rainfall Details

©1982-2017 XP Solutions

Rainfall Model FSR Winter Storms Yes

Return Period (years) 100 Cv (Summer) 0.750

Region England and Wales Cv (Winter) 0.840

M5-60 (mm) 20.000 Shortest Storm (mins) 15

Ratio R 0.400 Longest Storm (mins) 10080

Summer Storms Yes Climate Change % +40

Time Area Diagram

Total Area (ha) 0.180

Time

From:

(mins)

To:

Area

(ha)

0 4 0.180

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Norwich HIGHWAY BASIN B

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Model Details

©1982-2017 XP Solutions

Storage is Online Cover Level (m) 5.400

Infiltration Basin Structure

Invert Level (m) 3.600 Safety Factor 2.0

Infiltration Coefficient Base (m/hr) 0.24588 Porosity 1.00

Infiltration Coefficient Side (m/hr) 0.24588

Depth (m) Area (m²) Depth (m) Area (m²) Depth (m) Area (m²) Depth (m) Area (m²)

0.000 136.2 1.400 372.8 2.800 0.0 4.200 0.0

0.200 163.2 1.600 415.6 3.000 0.0 4.400 0.0

0.400 192.5 1.800 460.8 3.200 0.0 4.600 0.0

0.600 224.0 2.000 0.0 3.400 0.0 4.800 0.0

0.800 257.8 2.200 0.0 3.600 0.0 5.000 0.0

1.000 293.9 2.400 0.0 3.800 0.0

1.200 332.2 2.600 0.0 4.000 0.0

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Existing Network Details for Storm

©1982-2017 XP Solutions

* - Indicates pipe has been modified outside of System 1

PN Length

(m)

Fall

(m)

Slope

(1:X)

I.Area

(ha)

T.E.

(mins)

k

(mm)

HYD

SECT

DIA

(mm)

Section Type

1.000 15.500 1.033 15.0 0.020 3.00 0.600 o 225 Pipe/Conduit

1.001 52.500 3.500 15.0 0.020 0.00 0.600 o 225 Pipe/Conduit

1.002 11.500 0.068 170.0 0.020 0.00 0.600 o 225 Pipe/Conduit

* 1.003 11.500 0.067 171.6 0.020 0.00 0.600 o 225 Pipe/Conduit

* 1.004 40.500 0.239 169.5 0.020 0.00 0.600 o 225 Pipe/Conduit

2.000 22.000 0.440 50.0 0.020 3.00 0.600 o 225 Pipe/Conduit

2.001 25.000 0.500 50.0 0.020 0.00 0.600 o 225 Pipe/Conduit

* 1.005 19.250 0.092 210.0 0.000 0.00 0.600 o 300 Pipe/Conduit

* 1.006 15.500 0.074 209.5 0.020 0.00 0.600 o 300 Pipe/Conduit

* 1.007 27.000 0.129 209.3 0.000 0.00 0.600 o 300 Pipe/Conduit

* 1.008 13.000 0.062 209.7 0.020 0.00 0.600 o 300 Pipe/Conduit

* 1.009 4.000 0.019 210.5 0.000 0.00 0.600 o 300 Pipe/Conduit

PN US/MH

Name

US/CL

(m)

US/IL

(m)

US

C.Depth

(m)

DS/CL

(m)

DS/IL

(m)

DS

C.Depth

(m)

Ctrl US/MH

(mm)

1.000 1 10.800 9.400 1.175 10.000 8.367 1.408 1200

1.001 2 10.000 8.367 1.408 6.400 4.867 1.308 1200

1.002 3 6.400 4.867 1.308 5.900 4.799 0.876 1200

* 1.003 4 5.900 4.799 0.876 5.700 4.732 0.743 1200

* 1.004 5 5.700 4.732 0.743 6.000 4.493 1.282 1200

2.000 6 7.550 5.433 1.892 6.500 4.993 1.282 1200

2.001 7 6.500 4.993 1.282 6.000 4.493 1.282 1200

* 1.005 8 6.000 4.418 1.282 6.150 4.326 1.524 1200

* 1.006 9 6.150 4.326 1.524 6.300 4.252 1.748 1200

* 1.007 10 6.300 4.252 1.748 5.950 4.123 1.527 1200

* 1.008 11 5.950 4.123 1.527 5.500 4.061 1.139 1200

* 1.009 12 5.500 4.061 1.139 5.500 4.042 1.158 1200

Free Flowing Outfall Details for Storm

Outfall

Pipe Number

Outfall

Name

C. Level

(m)

I. Level

(m)

Min

I. Level

(m)

D,L

(mm)

W

(mm)

1.009 13 5.500 4.042 0.000 0 0

Rossi Long Consulting Ltd Page 2

16 Meridian Way BRUNDALL HIGHWAY B

Norwich

NR7 0TA

Date 09/11/2017 16:14 Designed by gavina

File HIGHWAY NETWORK B.mdx Checked by

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Simulation Criteria for Storm

©1982-2017 XP Solutions

Volumetric Runoff Coeff 0.750 Additional Flow - % of Total Flow 0.000

Areal Reduction Factor 1.000 MADD Factor * 10m³/ha Storage 2.000

Hot Start (mins) 0 Inlet Coeffiecient 0.800

Hot Start Level (mm) 0 Flow per Person per Day (l/per/day) 0.000

Manhole Headloss Coeff (Global) 0.500 Run Time (mins) 60

Foul Sewage per hectare (l/s) 0.000 Output Interval (mins) 1

Number of Input Hydrographs 0 Number of Storage Structures 0

Number of Online Controls 0 Number of Time/Area Diagrams 0

Number of Offline Controls 0 Number of Real Time Controls 0

Synthetic Rainfall Details

Rainfall Model FSR Profile Type Summer

Return Period (years) 1 Cv (Summer) 0.750

Region England and Wales Cv (Winter) 0.840

M5-60 (mm) 20.000 Storm Duration (mins) 30

Ratio R 0.400

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1 year Return Period Summary of Critical Results by Maximum Level (Rank 1)

for Storm

©1982-2017 XP Solutions

Simulation Criteria

Areal Reduction Factor 1.000 Additional Flow - % of Total Flow 0.000

Hot Start (mins) 0 MADD Factor * 10m³/ha Storage 2.000

Hot Start Level (mm) 0 Inlet Coeffiecient 0.800

Manhole Headloss Coeff (Global) 0.500 Flow per Person per Day (l/per/day) 0.000

Foul Sewage per hectare (l/s) 0.000

Number of Input Hydrographs 0 Number of Storage Structures 0

Number of Online Controls 0 Number of Time/Area Diagrams 0

Number of Offline Controls 0 Number of Real Time Controls 0

Synthetic Rainfall Details

Rainfall Model FSR Ratio R 0.400

Region England and Wales Cv (Summer) 0.750

M5-60 (mm) 20.000 Cv (Winter) 0.840

Margin for Flood Risk Warning (mm) 450.0 DVD Status OFF

Analysis Timestep Fine Inertia Status OFF

DTS Status ON

Profile(s) Summer and Winter

Duration(s) (mins) 15, 30, 60, 120, 180, 240, 360, 480, 600,

720, 960, 1440, 2160, 2880, 4320, 5760,

7200, 8640, 10080

Return Period(s) (years) 1, 30, 100

Climate Change (%) 0, 0, 40

PN

US/MH

Name Storm

Return

Period

Climate

Change

First (X)

Surcharge

First (Y)

Flood

First (Z)

Overflow

Overflow

Act.

Water

Level

(m)

1.000 1 15 Summer 1 +0% 9.425

1.001 2 15 Summer 1 +0% 8.397

1.002 3 15 Summer 1 +0% 100/15 Summer 4.941

1.003 4 15 Winter 1 +0% 100/15 Summer 4.884

1.004 5 15 Winter 1 +0% 100/15 Summer 4.822

2.000 6 15 Summer 1 +0% 5.466

2.001 7 15 Summer 1 +0% 5.037

1.005 8 15 Winter 1 +0% 100/15 Summer 4.522

1.006 9 15 Winter 1 +0% 100/15 Summer 4.439

1.007 10 15 Winter 1 +0% 100/15 Summer 4.360

1.008 11 15 Winter 1 +0% 100/15 Summer 4.244

1.009 12 15 Winter 1 +0% 100/15 Summer 4.199

PN

US/MH

Name

Surcharged

Depth

(m)

Flooded

Volume

(m³)

Flow /

Cap.

Overflow

(l/s)

Pipe

Flow

(l/s) Status

Level

Exceeded

1.000 1 -0.200 0.000 0.03 3.4 OK

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Date 09/11/2017 16:14 Designed by gavina

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1 year Return Period Summary of Critical Results by Maximum Level (Rank 1)

for Storm

©1982-2017 XP Solutions

1.001 2 -0.195 0.000 0.04 5.5 OK

1.002 3 -0.151 0.000 0.23 7.8 OK

1.003 4 -0.140 0.000 0.30 10.2 OK

1.004 5 -0.135 0.000 0.33 12.4 OK

2.000 6 -0.192 0.000 0.05 3.4 OK

2.001 7 -0.181 0.000 0.08 5.5 OK

1.005 8 -0.196 0.000 0.26 17.4 OK

1.006 9 -0.187 0.000 0.30 19.4 OK

1.007 10 -0.192 0.000 0.28 19.3 OK

1.008 11 -0.179 0.000 0.34 21.2 OK

1.009 12 -0.162 0.000 0.44 21.2 OK

PN

US/MH

Name

Surcharged

Depth

(m)

Flooded

Volume

(m³)

Flow /

Cap.

Overflow

(l/s)

Pipe

Flow

(l/s) Status

Level

Exceeded

Rossi Long Consulting Ltd Page 5

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Date 09/11/2017 16:14 Designed by gavina

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XP Solutions Network 2017.1.2

30 year Return Period Summary of Critical Results by Maximum Level (Rank 1)

for Storm

©1982-2017 XP Solutions

Simulation Criteria

Areal Reduction Factor 1.000 Additional Flow - % of Total Flow 0.000

Hot Start (mins) 0 MADD Factor * 10m³/ha Storage 2.000

Hot Start Level (mm) 0 Inlet Coeffiecient 0.800

Manhole Headloss Coeff (Global) 0.500 Flow per Person per Day (l/per/day) 0.000

Foul Sewage per hectare (l/s) 0.000

Number of Input Hydrographs 0 Number of Storage Structures 0

Number of Online Controls 0 Number of Time/Area Diagrams 0

Number of Offline Controls 0 Number of Real Time Controls 0

Synthetic Rainfall Details

Rainfall Model FSR Ratio R 0.400

Region England and Wales Cv (Summer) 0.750

M5-60 (mm) 20.000 Cv (Winter) 0.840

Margin for Flood Risk Warning (mm) 450.0 DVD Status OFF

Analysis Timestep Fine Inertia Status OFF

DTS Status ON

Profile(s) Summer and Winter

Duration(s) (mins) 15, 30, 60, 120, 180, 240, 360, 480, 600,

720, 960, 1440, 2160, 2880, 4320, 5760,

7200, 8640, 10080

Return Period(s) (years) 1, 30, 100

Climate Change (%) 0, 0, 40

PN

US/MH

Name Storm

Return

Period

Climate

Change

First (X)

Surcharge

First (Y)

Flood

First (Z)

Overflow

Overflow

Act.

Water

Level

(m)

1.000 1 15 Summer 30 +0% 9.439

1.001 2 15 Summer 30 +0% 8.419

1.002 3 15 Summer 30 +0% 100/15 Summer 5.005

1.003 4 15 Summer 30 +0% 100/15 Summer 4.965

1.004 5 15 Summer 30 +0% 100/15 Summer 4.911

2.000 6 15 Summer 30 +0% 5.486

2.001 7 15 Summer 30 +0% 5.066

1.005 8 15 Winter 30 +0% 100/15 Summer 4.613

1.006 9 15 Winter 30 +0% 100/15 Summer 4.540

1.007 10 15 Winter 30 +0% 100/15 Summer 4.480

1.008 11 15 Winter 30 +0% 100/15 Summer 4.411

1.009 12 15 Winter 30 +0% 100/15 Summer 4.361

PN

US/MH

Name

Surcharged

Depth

(m)

Flooded

Volume

(m³)

Flow /

Cap.

Overflow

(l/s)

Pipe

Flow

(l/s) Status

Level

Exceeded

1.000 1 -0.186 0.000 0.07 8.3 OK

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30 year Return Period Summary of Critical Results by Maximum Level (Rank 1)

for Storm

©1982-2017 XP Solutions

1.001 2 -0.173 0.000 0.12 15.2 OK

1.002 3 -0.087 0.000 0.67 22.8 OK

1.003 4 -0.059 0.000 0.90 30.2 OK

1.004 5 -0.046 0.000 0.95 35.8 OK

2.000 6 -0.172 0.000 0.12 8.3 OK

2.001 7 -0.152 0.000 0.22 15.2 OK

1.005 8 -0.105 0.000 0.74 49.2 OK

1.006 9 -0.086 0.000 0.85 54.7 OK

1.007 10 -0.072 0.000 0.76 52.6 OK

1.008 11 -0.012 0.000 0.87 54.3 OK

1.009 12 0.000 0.000 1.12 54.5 OK

PN

US/MH

Name

Surcharged

Depth

(m)

Flooded

Volume

(m³)

Flow /

Cap.

Overflow

(l/s)

Pipe

Flow

(l/s) Status

Level

Exceeded

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100 year Return Period Summary of Critical Results by Maximum Level (Rank

1) for Storm

©1982-2017 XP Solutions

Simulation Criteria

Areal Reduction Factor 1.000 Additional Flow - % of Total Flow 0.000

Hot Start (mins) 0 MADD Factor * 10m³/ha Storage 2.000

Hot Start Level (mm) 0 Inlet Coeffiecient 0.800

Manhole Headloss Coeff (Global) 0.500 Flow per Person per Day (l/per/day) 0.000

Foul Sewage per hectare (l/s) 0.000

Number of Input Hydrographs 0 Number of Storage Structures 0

Number of Online Controls 0 Number of Time/Area Diagrams 0

Number of Offline Controls 0 Number of Real Time Controls 0

Synthetic Rainfall Details

Rainfall Model FSR Ratio R 0.400

Region England and Wales Cv (Summer) 0.750

M5-60 (mm) 20.000 Cv (Winter) 0.840

Margin for Flood Risk Warning (mm) 450.0 DVD Status OFF

Analysis Timestep Fine Inertia Status OFF

DTS Status ON

Profile(s) Summer and Winter

Duration(s) (mins) 15, 30, 60, 120, 180, 240, 360, 480, 600,

720, 960, 1440, 2160, 2880, 4320, 5760,

7200, 8640, 10080

Return Period(s) (years) 1, 30, 100

Climate Change (%) 0, 0, 40

PN

US/MH

Name Storm

Return

Period

Climate

Change

First (X)

Surcharge

First (Y)

Flood

First (Z)

Overflow

Overflow

Act.

Water

Level

(m)

1.000 1 15 Summer 100 +40% 9.454

1.001 2 15 Summer 100 +40% 8.438

1.002 3 15 Winter 100 +40% 100/15 Summer 5.537

1.003 4 15 Winter 100 +40% 100/15 Summer 5.479

1.004 5 15 Winter 100 +40% 100/15 Summer 5.375

2.000 6 15 Summer 100 +40% 5.506

2.001 7 15 Summer 100 +40% 5.095

1.005 8 15 Winter 100 +40% 100/15 Summer 4.910

1.006 9 15 Winter 100 +40% 100/15 Summer 4.817

1.007 10 15 Winter 100 +40% 100/15 Summer 4.714

1.008 11 15 Winter 100 +40% 100/15 Summer 4.554

1.009 12 15 Winter 100 +40% 100/15 Summer 4.440

PN

US/MH

Name

Surcharged

Depth

(m)

Flooded

Volume

(m³)

Flow /

Cap.

Overflow

(l/s)

Pipe

Flow

(l/s) Status

Level

Exceeded

1.000 1 -0.171 0.000 0.13 15.1 OK

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100 year Return Period Summary of Critical Results by Maximum Level (Rank

1) for Storm

©1982-2017 XP Solutions

1.001 2 -0.154 0.000 0.21 27.6 OK

1.002 3 0.445 0.000 1.05 35.5 SURCHARGED

1.003 4 0.455 0.000 1.33 44.8 FLOOD RISK

1.004 5 0.418 0.000 1.42 53.7 FLOOD RISK

2.000 6 -0.152 0.000 0.22 15.1 OK

2.001 7 -0.123 0.000 0.41 27.6 OK

1.005 8 0.192 0.000 1.04 68.9 SURCHARGED

1.006 9 0.191 0.000 1.19 76.9 SURCHARGED

1.007 10 0.162 0.000 1.10 76.1 SURCHARGED

1.008 11 0.131 0.000 1.32 82.6 SURCHARGED

1.009 12 0.079 0.000 1.71 83.1 SURCHARGED

PN

US/MH

Name

Surcharged

Depth

(m)

Flooded

Volume

(m³)

Flow /

Cap.

Overflow

(l/s)

Pipe

Flow

(l/s) Status

Level

Exceeded

Rossi Long Consulting Ltd Page 1

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Norwich SWALE

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Summary of Results for 100 year Return Period (+40%)

©1982-2017 XP Solutions

Half Drain Time : 4 minutes.

Storm

Event

Max

Level

(m)

Max

Depth

(m)

Max

Infiltration

(l/s)

Max

Control

(l/s)

Max

Σ Outflow

(l/s)

Max

Volume

(m³)

Status

15 min Summer 4.123 0.258 0.0 35.2 35.2 10.4 Flood Risk

30 min Summer 4.118 0.253 0.0 34.2 34.2 10.0 Flood Risk

60 min Summer 4.093 0.228 0.0 29.0 29.0 7.8 Flood Risk

120 min Summer 4.057 0.192 0.0 21.9 21.9 5.1 Flood Risk

180 min Summer 4.031 0.166 0.0 17.4 17.4 3.6 Flood Risk

240 min Summer 4.011 0.146 0.0 14.6 14.6 2.6 Flood Risk

360 min Summer 3.990 0.125 0.0 11.2 11.2 1.8 Flood Risk

480 min Summer 3.978 0.113 0.0 9.0 9.0 1.5 Flood Risk

600 min Summer 3.971 0.106 0.0 7.7 7.7 1.2 Flood Risk

720 min Summer 3.963 0.098 0.0 6.6 6.6 1.0 Flood Risk

960 min Summer 3.951 0.086 0.0 5.2 5.2 0.8 Flood Risk

1440 min Summer 3.938 0.073 0.0 3.8 3.8 0.5 O K

2160 min Summer 3.927 0.062 0.0 2.7 2.7 0.4 O K

2880 min Summer 3.920 0.055 0.0 2.2 2.2 0.3 O K

4320 min Summer 3.912 0.047 0.0 1.6 1.6 0.2 O K

5760 min Summer 3.906 0.041 0.0 1.3 1.3 0.2 O K

7200 min Summer 3.903 0.038 0.0 1.1 1.1 0.1 O K

8640 min Summer 3.900 0.035 0.0 0.9 0.9 0.1 O K

10080 min Summer 3.898 0.033 0.0 0.8 0.8 0.1 O K

15 min Winter 4.132 0.267 0.0 36.8 36.8 11.2 Flood Risk

Storm

Event

Rain

(mm/hr)

Flooded

Volume

(m³)

Discharge

Volume

(m³)

Time-Peak

(mins)

15 min Summer 138.153 0.0 24.9 12

30 min Summer 90.705 0.0 32.7 20

60 min Summer 56.713 0.0 40.8 36

120 min Summer 34.246 0.0 49.3 66

180 min Summer 25.149 0.0 54.3 96

240 min Summer 20.078 0.0 57.8 126

360 min Summer 14.585 0.0 63.0 184

480 min Summer 11.622 0.0 66.9 246

600 min Summer 9.738 0.0 70.1 306

720 min Summer 8.424 0.0 72.8 366

960 min Summer 6.697 0.0 77.1 488

1440 min Summer 4.839 0.0 83.6 716

2160 min Summer 3.490 0.0 90.5 1072

2880 min Summer 2.766 0.0 95.6 1428

4320 min Summer 1.989 0.0 103.1 2192

5760 min Summer 1.573 0.0 108.7 2888

7200 min Summer 1.311 0.0 113.2 3544

8640 min Summer 1.129 0.0 117.0 4280

10080 min Summer 0.994 0.0 120.3 5040

15 min Winter 138.153 0.0 27.9 12

Rossi Long Consulting Ltd Page 2

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Norwich SWALE

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Date 09/11/2017 14:51 Designed by GMA

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Summary of Results for 100 year Return Period (+40%)

©1982-2017 XP Solutions

Storm

Event

Max

Level

(m)

Max

Depth

(m)

Max

Infiltration

(l/s)

Max

Control

(l/s)

Max

Σ Outflow

(l/s)

Max

Volume

(m³)

Status

30 min Winter 4.118 0.253 0.0 34.2 34.2 9.9 Flood Risk

60 min Winter 4.082 0.217 0.0 26.9 26.9 6.9 Flood Risk

120 min Winter 4.036 0.171 0.0 18.1 18.1 3.8 Flood Risk

180 min Winter 4.006 0.141 0.0 13.9 13.9 2.4 Flood Risk

240 min Winter 3.990 0.125 0.0 11.3 11.3 1.8 Flood Risk

360 min Winter 3.974 0.109 0.0 8.2 8.2 1.3 Flood Risk

480 min Winter 3.963 0.098 0.0 6.6 6.6 1.0 Flood Risk

600 min Winter 3.954 0.089 0.0 5.5 5.5 0.8 Flood Risk

720 min Winter 3.947 0.082 0.0 4.8 4.8 0.7 Flood Risk

960 min Winter 3.938 0.073 0.0 3.8 3.8 0.5 O K

1440 min Winter 3.927 0.062 0.0 2.7 2.7 0.4 O K

2160 min Winter 3.917 0.052 0.0 2.0 2.0 0.3 O K

2880 min Winter 3.912 0.047 0.0 1.6 1.6 0.2 O K

4320 min Winter 3.904 0.039 0.0 1.1 1.1 0.1 O K

5760 min Winter 3.900 0.035 0.0 0.9 0.9 0.1 O K

7200 min Winter 3.897 0.032 0.0 0.8 0.8 0.1 O K

8640 min Winter 3.893 0.028 0.0 0.6 0.6 0.1 O K

10080 min Winter 3.891 0.026 0.0 0.6 0.6 0.1 O K

Storm

Event

Rain

(mm/hr)

Flooded

Volume

(m³)

Discharge

Volume

(m³)

Time-Peak

(mins)

30 min Winter 90.705 0.0 36.6 20

60 min Winter 56.713 0.0 45.7 36

120 min Winter 34.246 0.0 55.2 66

180 min Winter 25.149 0.0 60.8 96

240 min Winter 20.078 0.0 64.8 124

360 min Winter 14.585 0.0 70.6 184

480 min Winter 11.622 0.0 75.0 244

600 min Winter 9.738 0.0 78.5 302

720 min Winter 8.424 0.0 81.5 368

960 min Winter 6.697 0.0 86.4 492

1440 min Winter 4.839 0.0 93.7 734

2160 min Winter 3.490 0.0 101.3 1088

2880 min Winter 2.766 0.0 107.1 1468

4320 min Winter 1.989 0.0 115.5 2192

5760 min Winter 1.573 0.0 121.8 2776

7200 min Winter 1.311 0.0 126.8 3752

8640 min Winter 1.129 0.0 131.0 4400

10080 min Winter 0.994 0.0 134.7 5032

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Norwich SWALE

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Date 09/11/2017 14:51 Designed by GMA

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Rainfall Details

©1982-2017 XP Solutions

Rainfall Model FSR Winter Storms Yes

Return Period (years) 100 Cv (Summer) 0.750

Region England and Wales Cv (Winter) 0.840

M5-60 (mm) 20.000 Shortest Storm (mins) 15

Ratio R 0.400 Longest Storm (mins) 10080

Summer Storms Yes Climate Change % +40

Time Area Diagram

Total Area (ha) 0.096

Time

From:

(mins)

To:

Area

(ha)

0 4 0.096

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Model Details

©1982-2017 XP Solutions

Storage is Online Cover Level (m) 4.240

Swale Structure

Infiltration Coefficient Base (m/hr) 0.00000 Length (m) 100.0

Infiltration Coefficient Side (m/hr) 0.00000 Side Slope (1:X) 2.0

Safety Factor 2.0 Slope (1:X) 500.0

Porosity 1.00 Cap Volume Depth (m) 0.000

Invert Level (m) 3.865 Cap Infiltration Depth (m) 0.000

Base Width (m) 0.3

Pipe Outflow Control

Diameter (m) 0.225 Entry Loss Coefficient 0.500

Slope (1:X) 125.0 Coefficient of Contraction 0.600

Length (m) 8.000 Upstream Invert Level (m) 3.865

Roughness k (mm) 0.600

Rossi Long Consulting Ltd Page 1

16 Meridian Way BRUNDALL

Norwich DS1

NR7 0TA

Date 09/11/2017 14:41 Designed by GMA

File DS1.srcx Checked by

XP Solutions Source Control 2017.1.2

Summary of Results for 100 year Return Period (+40%)

©1982-2017 XP Solutions

Half Drain Time : 85 minutes.

Storm

Event

Max

Level

(m)

Max

Depth

(m)

Max

Infiltration

(l/s)

Max

Volume

(m³)

Status

15 min Summer 4.992 0.242 4.0 23.9 O K

30 min Summer 5.048 0.298 4.2 29.4 O K

60 min Summer 5.079 0.329 4.2 32.5 O K

120 min Summer 5.077 0.327 4.2 32.3 O K

180 min Summer 5.061 0.311 4.2 30.7 O K

240 min Summer 5.040 0.290 4.1 28.6 O K

360 min Summer 5.000 0.250 4.1 24.7 O K

480 min Summer 4.964 0.214 4.0 21.2 O K

600 min Summer 4.932 0.182 3.9 18.0 O K

720 min Summer 4.904 0.154 3.9 15.2 O K

960 min Summer 4.858 0.108 3.8 10.7 O K

1440 min Summer 4.806 0.056 3.7 5.5 O K

2160 min Summer 4.790 0.040 2.9 3.9 O K

2880 min Summer 4.782 0.032 2.3 3.1 O K

4320 min Summer 4.773 0.023 1.7 2.3 O K

5760 min Summer 4.768 0.018 1.3 1.8 O K

7200 min Summer 4.765 0.015 1.1 1.5 O K

8640 min Summer 4.763 0.013 1.0 1.3 O K

10080 min Summer 4.762 0.012 0.9 1.1 O K

15 min Winter 5.024 0.274 4.1 27.0 O K

Storm

Event

Rain

(mm/hr)

Flooded

Volume

(m³)

Time-Peak

(mins)

15 min Summer 138.153 0.0 17

30 min Summer 90.705 0.0 32

60 min Summer 56.713 0.0 60

120 min Summer 34.246 0.0 90

180 min Summer 25.149 0.0 124

240 min Summer 20.078 0.0 158

360 min Summer 14.585 0.0 226

480 min Summer 11.622 0.0 290

600 min Summer 9.738 0.0 354

720 min Summer 8.424 0.0 414

960 min Summer 6.697 0.0 530

1440 min Summer 4.839 0.0 750

2160 min Summer 3.490 0.0 1100

2880 min Summer 2.766 0.0 1468

4320 min Summer 1.989 0.0 2184

5760 min Summer 1.573 0.0 2936

7200 min Summer 1.311 0.0 3576

8640 min Summer 1.129 0.0 4376

10080 min Summer 0.994 0.0 5000

15 min Winter 138.153 0.0 17

Rossi Long Consulting Ltd Page 2

16 Meridian Way BRUNDALL

Norwich DS1

NR7 0TA

Date 09/11/2017 14:41 Designed by GMA

File DS1.srcx Checked by

XP Solutions Source Control 2017.1.2

Summary of Results for 100 year Return Period (+40%)

©1982-2017 XP Solutions

Storm

Event

Max

Level

(m)

Max

Depth

(m)

Max

Infiltration

(l/s)

Max

Volume

(m³)

Status

30 min Winter 5.090 0.340 4.2 33.6 O K

60 min Winter 5.130 0.380 4.3 37.6 O K

120 min Winter 5.127 0.377 4.3 37.2 O K

180 min Winter 5.103 0.353 4.3 34.9 O K

240 min Winter 5.073 0.323 4.2 31.9 O K

360 min Winter 5.013 0.263 4.1 26.0 O K

480 min Winter 4.959 0.209 4.0 20.7 O K

600 min Winter 4.912 0.162 3.9 16.0 O K

720 min Winter 4.872 0.122 3.8 12.1 O K

960 min Winter 4.815 0.065 3.7 6.4 O K

1440 min Winter 4.790 0.040 2.9 4.0 O K

2160 min Winter 4.779 0.029 2.1 2.9 O K

2880 min Winter 4.773 0.023 1.7 2.3 O K

4320 min Winter 4.767 0.017 1.2 1.6 O K

5760 min Winter 4.763 0.013 1.0 1.3 O K

7200 min Winter 4.761 0.011 0.8 1.1 O K

8640 min Winter 4.760 0.010 0.7 0.9 O K

10080 min Winter 4.759 0.009 0.6 0.8 O K

Storm

Event

Rain

(mm/hr)

Flooded

Volume

(m³)

Time-Peak

(mins)

30 min Winter 90.705 0.0 31

60 min Winter 56.713 0.0 58

120 min Winter 34.246 0.0 96

180 min Winter 25.149 0.0 134

240 min Winter 20.078 0.0 172

360 min Winter 14.585 0.0 244

480 min Winter 11.622 0.0 310

600 min Winter 9.738 0.0 374

720 min Winter 8.424 0.0 432

960 min Winter 6.697 0.0 530

1440 min Winter 4.839 0.0 738

2160 min Winter 3.490 0.0 1100

2880 min Winter 2.766 0.0 1460

4320 min Winter 1.989 0.0 2132

5760 min Winter 1.573 0.0 2920

7200 min Winter 1.311 0.0 3712

8640 min Winter 1.129 0.0 4416

10080 min Winter 0.994 0.0 5040

Rossi Long Consulting Ltd Page 3

16 Meridian Way BRUNDALL

Norwich DS1

NR7 0TA

Date 09/11/2017 14:41 Designed by GMA

File DS1.srcx Checked by

XP Solutions Source Control 2017.1.2

Rainfall Details

©1982-2017 XP Solutions

Rainfall Model FSR Winter Storms Yes

Return Period (years) 100 Cv (Summer) 0.750

Region England and Wales Cv (Winter) 0.840

M5-60 (mm) 20.000 Shortest Storm (mins) 15

Ratio R 0.400 Longest Storm (mins) 10080

Summer Storms Yes Climate Change % +40

Time Area Diagram

Total Area (ha) 0.104

Time

From:

(mins)

To:

Area

(ha)

0 4 0.104

Rossi Long Consulting Ltd Page 4

16 Meridian Way BRUNDALL

Norwich DS1

NR7 0TA

Date 09/11/2017 14:41 Designed by GMA

File DS1.srcx Checked by

XP Solutions Source Control 2017.1.2

Model Details

©1982-2017 XP Solutions

Storage is Online Cover Level (m) 6.500

Cellular Storage Structure

Invert Level (m) 4.750 Safety Factor 2.0

Infiltration Coefficient Base (m/hr) 0.24588 Porosity 0.95

Infiltration Coefficient Side (m/hr) 0.24588

Depth (m) Area (m²) Inf. Area (m²) Depth (m) Area (m²) Inf. Area (m²)

0.000 104.0 104.0 0.500 0.0 128.0

0.400 104.0 128.0

Rossi Long Consulting Ltd Page 1

16 Meridian Way BRUNDALL

Norwich DS2

NR7 0TA

Date 09/11/2017 14:43 Designed by GMA

File DS2.srcx Checked by

XP Solutions Source Control 2017.1.2

Summary of Results for 100 year Return Period (+40%)

©1982-2017 XP Solutions

Half Drain Time : 122 minutes.

Storm

Event

Max

Level

(m)

Max

Depth

(m)

Max

Infiltration

(l/s)

Max

Volume

(m³)

Status

15 min Summer 4.212 0.212 1.2 10.5 O K

30 min Summer 4.267 0.267 1.2 13.2 O K

60 min Summer 4.307 0.307 1.3 15.2 O K

120 min Summer 4.318 0.318 1.3 15.7 O K

180 min Summer 4.311 0.311 1.3 15.3 O K

240 min Summer 4.299 0.299 1.3 14.8 O K

360 min Summer 4.274 0.274 1.3 13.5 O K

480 min Summer 4.249 0.249 1.2 12.3 O K

600 min Summer 4.226 0.226 1.2 11.2 O K

720 min Summer 4.204 0.204 1.2 10.1 O K

960 min Summer 4.166 0.166 1.2 8.2 O K

1440 min Summer 4.106 0.106 1.1 5.2 O K

2160 min Summer 4.057 0.057 1.1 2.8 O K

2880 min Summer 4.044 0.044 1.0 2.2 O K

4320 min Summer 4.032 0.032 0.7 1.6 O K

5760 min Summer 4.026 0.026 0.6 1.3 O K

7200 min Summer 4.022 0.022 0.5 1.1 O K

8640 min Summer 4.019 0.019 0.4 0.9 O K

10080 min Summer 4.016 0.016 0.4 0.8 O K

15 min Winter 4.239 0.239 1.2 11.8 O K

Storm

Event

Rain

(mm/hr)

Flooded

Volume

(m³)

Time-Peak

(mins)

15 min Summer 138.153 0.0 18

30 min Summer 90.705 0.0 32

60 min Summer 56.713 0.0 62

120 min Summer 34.246 0.0 104

180 min Summer 25.149 0.0 134

240 min Summer 20.078 0.0 168

360 min Summer 14.585 0.0 236

480 min Summer 11.622 0.0 304

600 min Summer 9.738 0.0 370

720 min Summer 8.424 0.0 436

960 min Summer 6.697 0.0 560

1440 min Summer 4.839 0.0 796

2160 min Summer 3.490 0.0 1124

2880 min Summer 2.766 0.0 1472

4320 min Summer 1.989 0.0 2204

5760 min Summer 1.573 0.0 2936

7200 min Summer 1.311 0.0 3656

8640 min Summer 1.129 0.0 4400

10080 min Summer 0.994 0.0 5136

15 min Winter 138.153 0.0 18

Rossi Long Consulting Ltd Page 2

16 Meridian Way BRUNDALL

Norwich DS2

NR7 0TA

Date 09/11/2017 14:43 Designed by GMA

File DS2.srcx Checked by

XP Solutions Source Control 2017.1.2

Summary of Results for 100 year Return Period (+40%)

©1982-2017 XP Solutions

Storm

Event

Max

Level

(m)

Max

Depth

(m)

Max

Infiltration

(l/s)

Max

Volume

(m³)

Status

30 min Winter 4.303 0.303 1.3 15.0 O K

60 min Winter 4.352 0.352 1.3 17.4 O K

120 min Winter 4.368 0.368 1.3 18.2 O K

180 min Winter 4.358 0.358 1.3 17.7 O K

240 min Winter 4.342 0.342 1.3 16.9 O K

360 min Winter 4.305 0.305 1.3 15.1 O K

480 min Winter 4.269 0.269 1.2 13.3 O K

600 min Winter 4.234 0.234 1.2 11.5 O K

720 min Winter 4.201 0.201 1.2 10.0 O K

960 min Winter 4.145 0.145 1.2 7.2 O K

1440 min Winter 4.067 0.067 1.1 3.3 O K

2160 min Winter 4.041 0.041 0.9 2.0 O K

2880 min Winter 4.033 0.033 0.7 1.6 O K

4320 min Winter 4.024 0.024 0.5 1.2 O K

5760 min Winter 4.019 0.019 0.4 0.9 O K

7200 min Winter 4.016 0.016 0.3 0.8 O K

8640 min Winter 4.014 0.014 0.3 0.7 O K

10080 min Winter 4.012 0.012 0.3 0.6 O K

Storm

Event

Rain

(mm/hr)

Flooded

Volume

(m³)

Time-Peak

(mins)

30 min Winter 90.705 0.0 32

60 min Winter 56.713 0.0 60

120 min Winter 34.246 0.0 114

180 min Winter 25.149 0.0 144

240 min Winter 20.078 0.0 182

360 min Winter 14.585 0.0 258

480 min Winter 11.622 0.0 330

600 min Winter 9.738 0.0 400

720 min Winter 8.424 0.0 466

960 min Winter 6.697 0.0 590

1440 min Winter 4.839 0.0 806

2160 min Winter 3.490 0.0 1120

2880 min Winter 2.766 0.0 1468

4320 min Winter 1.989 0.0 2184

5760 min Winter 1.573 0.0 2864

7200 min Winter 1.311 0.0 3624

8640 min Winter 1.129 0.0 4400

10080 min Winter 0.994 0.0 5144

Rossi Long Consulting Ltd Page 3

16 Meridian Way BRUNDALL

Norwich DS2

NR7 0TA

Date 09/11/2017 14:43 Designed by GMA

File DS2.srcx Checked by

XP Solutions Source Control 2017.1.2

Rainfall Details

©1982-2017 XP Solutions

Rainfall Model FSR Winter Storms Yes

Return Period (years) 100 Cv (Summer) 0.750

Region England and Wales Cv (Winter) 0.840

M5-60 (mm) 20.000 Shortest Storm (mins) 15

Ratio R 0.400 Longest Storm (mins) 10080

Summer Storms Yes Climate Change % +40

Time Area Diagram

Total Area (ha) 0.044

Time

From:

(mins)

To:

Area

(ha)

0 4 0.044

Rossi Long Consulting Ltd Page 4

16 Meridian Way BRUNDALL

Norwich DS2

NR7 0TA

Date 09/11/2017 14:43 Designed by GMA

File DS2.srcx Checked by

XP Solutions Source Control 2017.1.2

Model Details

©1982-2017 XP Solutions

Storage is Online Cover Level (m) 7.700

Cellular Storage Structure

Invert Level (m) 4.000 Safety Factor 2.0

Infiltration Coefficient Base (m/hr) 0.14688 Porosity 0.95

Infiltration Coefficient Side (m/hr) 0.14688

Depth (m) Area (m²) Inf. Area (m²) Depth (m) Area (m²) Inf. Area (m²)

0.000 52.0 52.0 0.500 0.0 65.6

0.400 52.0 65.6

Rossi Long Consulting Ltd Page 1

16 Meridian Way BRUNDALL

Norwich DS3

NR7 0TA

Date 09/11/2017 14:44 Designed by GMA

File DS3.srcx Checked by

XP Solutions Source Control 2017.1.2

Summary of Results for 100 year Return Period (+40%)

©1982-2017 XP Solutions

Half Drain Time : 58 minutes.

Storm

Event

Max

Level

(m)

Max

Depth

(m)

Max

Infiltration

(l/s)

Max

Volume

(m³)

Status

15 min Summer 9.744 0.244 1.3 5.6 O K

30 min Summer 9.795 0.295 1.3 6.7 O K

60 min Summer 9.817 0.317 1.3 7.2 O K

120 min Summer 9.808 0.308 1.3 7.0 O K

180 min Summer 9.786 0.286 1.3 6.5 O K

240 min Summer 9.761 0.261 1.3 6.0 O K

360 min Summer 9.716 0.216 1.2 4.9 O K

480 min Summer 9.677 0.177 1.2 4.0 O K

600 min Summer 9.645 0.145 1.1 3.3 O K

720 min Summer 9.618 0.118 1.1 2.7 O K

960 min Summer 9.578 0.078 1.1 1.8 O K

1440 min Summer 9.546 0.046 1.0 1.1 O K

2160 min Summer 9.534 0.034 0.7 0.8 O K

2880 min Summer 9.527 0.027 0.6 0.6 O K

4320 min Summer 9.520 0.020 0.4 0.4 O K

5760 min Summer 9.516 0.016 0.3 0.4 O K

7200 min Summer 9.513 0.013 0.3 0.3 O K

8640 min Summer 9.511 0.011 0.2 0.3 O K

10080 min Summer 9.510 0.010 0.2 0.2 O K

15 min Winter 9.777 0.277 1.3 6.3 O K

Storm

Event

Rain

(mm/hr)

Flooded

Volume

(m³)

Time-Peak

(mins)

15 min Summer 138.153 0.0 17

30 min Summer 90.705 0.0 31

60 min Summer 56.713 0.0 50

120 min Summer 34.246 0.0 84

180 min Summer 25.149 0.0 118

240 min Summer 20.078 0.0 152

360 min Summer 14.585 0.0 218

480 min Summer 11.622 0.0 282

600 min Summer 9.738 0.0 342

720 min Summer 8.424 0.0 400

960 min Summer 6.697 0.0 512

1440 min Summer 4.839 0.0 736

2160 min Summer 3.490 0.0 1100

2880 min Summer 2.766 0.0 1468

4320 min Summer 1.989 0.0 2188

5760 min Summer 1.573 0.0 2928

7200 min Summer 1.311 0.0 3624

8640 min Summer 1.129 0.0 4320

10080 min Summer 0.994 0.0 5128

15 min Winter 138.153 0.0 17

Rossi Long Consulting Ltd Page 2

16 Meridian Way BRUNDALL

Norwich DS3

NR7 0TA

Date 09/11/2017 14:44 Designed by GMA

File DS3.srcx Checked by

XP Solutions Source Control 2017.1.2

Summary of Results for 100 year Return Period (+40%)

©1982-2017 XP Solutions

Storm

Event

Max

Level

(m)

Max

Depth

(m)

Max

Infiltration

(l/s)

Max

Volume

(m³)

Status

30 min Winter 9.838 0.338 1.4 7.7 O K

60 min Winter 9.864 0.364 1.4 8.3 O K

120 min Winter 9.850 0.350 1.4 8.0 O K

180 min Winter 9.817 0.317 1.3 7.2 O K

240 min Winter 9.780 0.280 1.3 6.4 O K

360 min Winter 9.713 0.213 1.2 4.9 O K

480 min Winter 9.658 0.158 1.2 3.6 O K

600 min Winter 9.613 0.113 1.1 2.6 O K

720 min Winter 9.578 0.078 1.1 1.8 O K

960 min Winter 9.547 0.047 1.0 1.1 O K

1440 min Winter 9.534 0.034 0.7 0.8 O K

2160 min Winter 9.525 0.025 0.5 0.6 O K

2880 min Winter 9.520 0.020 0.4 0.4 O K

4320 min Winter 9.514 0.014 0.3 0.3 O K

5760 min Winter 9.511 0.011 0.2 0.3 O K

7200 min Winter 9.510 0.010 0.2 0.2 O K

8640 min Winter 9.508 0.008 0.2 0.2 O K

10080 min Winter 9.507 0.007 0.1 0.2 O K

Storm

Event

Rain

(mm/hr)

Flooded

Volume

(m³)

Time-Peak

(mins)

30 min Winter 90.705 0.0 31

60 min Winter 56.713 0.0 56

120 min Winter 34.246 0.0 90

180 min Winter 25.149 0.0 128

240 min Winter 20.078 0.0 164

360 min Winter 14.585 0.0 232

480 min Winter 11.622 0.0 296

600 min Winter 9.738 0.0 356

720 min Winter 8.424 0.0 408

960 min Winter 6.697 0.0 494

1440 min Winter 4.839 0.0 738

2160 min Winter 3.490 0.0 1104

2880 min Winter 2.766 0.0 1468

4320 min Winter 1.989 0.0 2164

5760 min Winter 1.573 0.0 2840

7200 min Winter 1.311 0.0 3624

8640 min Winter 1.129 0.0 4384

10080 min Winter 0.994 0.0 5016

Rossi Long Consulting Ltd Page 3

16 Meridian Way BRUNDALL

Norwich DS3

NR7 0TA

Date 09/11/2017 14:44 Designed by GMA

File DS3.srcx Checked by

XP Solutions Source Control 2017.1.2

Rainfall Details

©1982-2017 XP Solutions

Rainfall Model FSR Winter Storms Yes

Return Period (years) 100 Cv (Summer) 0.750

Region England and Wales Cv (Winter) 0.840

M5-60 (mm) 20.000 Shortest Storm (mins) 15

Ratio R 0.400 Longest Storm (mins) 10080

Summer Storms Yes Climate Change % +40

Time Area Diagram

Total Area (ha) 0.025

Time

From:

(mins)

To:

Area

(ha)

0 4 0.025

Rossi Long Consulting Ltd Page 4

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Norwich DS3

NR7 0TA

Date 09/11/2017 14:44 Designed by GMA

File DS3.srcx Checked by

XP Solutions Source Control 2017.1.2

Model Details

©1982-2017 XP Solutions

Storage is Online Cover Level (m) 11.500

Cellular Storage Structure

Invert Level (m) 9.500 Safety Factor 2.0

Infiltration Coefficient Base (m/hr) 0.29268 Porosity 0.95

Infiltration Coefficient Side (m/hr) 0.29268

Depth (m) Area (m²) Inf. Area (m²) Depth (m) Area (m²) Inf. Area (m²)

0.000 24.0 24.0 0.500 0.0 35.2

0.400 24.0 35.2

Prepared for

Quantum Land (Brundall) Ltd

SuDS Management and Maintenance

Proposed Residential Development

Land East of Memorial Hall

Brundall

Norfolk

RLC Ref: 161068 October 2017

Quantum Land (Brundall) Ltd

Land East of Memorial Hall Brundall

SuDS Management and Maintenance Revision A March 2017

2

1.0 General Description

1.1 The site is a development of 23 residential units with respect to Broadland District Council Planning reference 20171386. The responsibility for the maintenance of the soakaways serving each individual dwelling and their associated parking space will rest with the owner / occupier.

1.2 The responsibility for the maintenance of the adoptable access road will be Norfolk County Council through a section 38 agreement.

1.3 All remaining communal areas including the infiltration basins will fall under the responsibility of a private management company.

1.4 The SuDS features comprise:

1) Soakaways

2) Pervious Block Paving

3) Infiltration Basin

4) Swales

5) Inlets, Outlets and Inspection Chambers

Quantum Land (Brundall) Ltd

Land East of Memorial Hall Brundall

SuDS Management and Maintenance Revision A March 2017

3

2.0 Operation and Maintenance Requirements

2.1 Soakaways – Table 13.1 CIRIA C753

Quantum Land (Brundall) Ltd

Land East of Memorial Hall Brundall

SuDS Management and Maintenance Revision A March 2017

4

2.2 Pervious Paving – Table 20.15 CIRIA C753

Quantum Land (Brundall) Ltd

Land East of Memorial Hall Brundall

SuDS Management and Maintenance Revision A March 2017

5

2.3 Swales - Table 17.1 CIRIA C753

Quantum Land (Brundall) Ltd

Land East of Memorial Hall Brundall

SuDS Management and Maintenance Revision A March 2017

6

2.4 Detention / Infiltration Basins - Table 22.1 CIRIA C753

Quantum Land (Brundall) Ltd

Land East of Memorial Hall Brundall

SuDS Management and Maintenance Revision A March 2017

7

3.0 Operation and Maintenance Activities

3.1 Operation and Maintenance Activity Categories Maintenance activities can be broadly defined as:

1) regular maintenance (including inspections)

2) occasional maintenance

3) remedial maintenance

There may also be initial one-off requirements sometimes referred to as “establishment maintenance”, particularly for planting (e.g. weeding and watering). Regular maintenance consists of basic tasks carried out to a frequent and predictable schedule, including inspections / monitoring, silt or oil removal if required more frequently than once per year, vegetation management, sweeping of surfaces and litter and debris removal.

Occasional maintenance comprises tasks that are likely to be required periodically, but on a much less frequent and predictable basis than the regular tasks (e.g. sediment removal or filter replacement). The table overleaf summarises the likely maintenance activities required for each SuDS component.

Remedial maintenance describes the intermittent tasks that may be required to rectify faults associated with the system, although the likelihood of faults can be minimised by good design, construction and regular maintenance activities. Where remedial work is found to be necessary, it is likely to be due to site-specific characteristics or unforeseen events, and so timings are difficult to predict. Remedial maintenance can comprise activities such as:

inlet and outlet repairs;

erosion repairs;

infiltration surface rehabilitation;

replacement of blocked filter materials / fabrics;

construction stage sediment removal (although this activity should have been undertaken before the start of the maintenance contract);

system rehabilitation immediately following a pollution event.

Quantum Land (Brundall) Ltd

Land East of Memorial Hall Brundall

SuDS Management and Maintenance Revision A March 2017

8

3.2 Operation and Maintenance Activity Schedule

Operation and maintenance activity SuDS component

Ins

pe

cti

on

ch

am

be

rs

Co

nv

ey

an

ce

pip

es

So

ak

aw

ay

Filte

r d

rain

Pe

rvio

us

pa

ve

me

nt

Infi

ltra

tio

n b

as

in

Sw

ale

Regular maintenance (Monthly or as Required)

Inspection Inspect after leaf fall in the Autumn Litter and debris removal Grass cutting Weed and invasive plant control Shrub management (including pruning) Brush regularly and remove sweepings

Occasional maintenance (Annually)

Sediment management Vacuum sweeping and brushing Check topsoil levels are 20mm above chambers to avoid mower damage

Remove covers and inspect ensuring water is free flowing and that any inlet / outlet is unobstructed

Remedial maintenance (As Required)

Jet wash and suction cleaning Structure rehabilitation / repair Infiltration surface reconditioning

Key

w ill be required may be required

Copyright

© This Report is the copyright of Rossi Long Consulting Ltd. Any unauthorised reproduction or usage by

any person other than the addressee is strictly prohibited.