Concrete Batching Facility, North Quay Road, Newhaven ... · The batching plant has been set up to...

Concrete Batching Facility, North Quay Road, Newhaven

Transport Report

Hanson UK

February 2010

SLR Ref: 402.0027.00271_1

Hanson UK Ltd i 402.0027.00271 Proposed Concrete Batching Facility, North Quay Road, Newhaven February 2010

SLR C:\Documents and Settings\tgreen\Desktop\Projects\00271 - Concrete Batching Plant, Newhaven\Tech\T&T\Wking\Word\100106 402.0207.00271_r_ newhaven CBP TR.doc

CONTENTS

1.0 INTRODUCTION .......................................................................................................... 2

2.0 PROPOSED DEVELOPMENT ..................................................................................... 3

2.1 Application Details ............................................................................................ 3

2.2 Hours of Operation ........................................................................................... 3

2.3 Trip Generation ................................................................................................. 3

2.4 Distribution........................................................................................................ 4

2.5 Scope of Assessment ....................................................................................... 4

3.0 BASELINE CONDITIONS ............................................................................................ 5

3.1 Existing Highway Network ............................................................................... 5

3.2 Traffic Levels ..................................................................................................... 7

3.3 Committed Developments ................................................................................ 7

4.0 IMPACT ASSESSMENT .............................................................................................. 9

4.1 Assessment Years & Traffic Growth ............................................................... 9

4.2 Capacity Assessments ..................................................................................... 9

5.0 SUMMARY AND CONCLUSIONS ............................................................................. 13

DRAWINGS

1 Location Plan

APPENDICES

1 Correspondence with Highway Authority

2 Raw Traffic Data

3 Base Road Network Models

4 Committed Development Road Network Models

5 With Development Road Network Models

6 Capacity Assessments – Drove Road / North Way Junction

7 Capacity Assessments – New Road / Drove Road Junction

8 Capacity Assessments – The Drove / Drove Road Junction

Hanson UK Ltd 2 402.0027.00271 Proposed Concrete Batching Facility, North Quay Road, Newhaven February 2010

SLR 100106 402.0207.00271_r_ newhaven CBP TR

1.0 INTRODUCTION

SLR Consulting Ltd (SLR) was commissioned by Hanson UK Ltd (Hanson) to prepare a Transport Report to consider the impact of the proposed continuing of operations of a concrete batching facility located on North Quay Road, Newhaven.

The proposed development would continue concrete production at the plant, for export to the open market. The current planning permission for the site only permits concrete to be provided for the construction of an adjacent EfW development, which therefore results in minimal external road movements.

The proposed development is required principally to serve the construction of a waste water treatments works at Peacehaven, located to the west of Newhaven. However, this will not be exclusive and therefore options are to be kept open to serve other markets.

The proposed development will result in additional HGV trips onto the road network. The need for a Transport Report has been identified by the local highway authority, East Sussex County Council, in accordance with the County’s specific guidance for Transport Assessments.

This Transport Road has been prepared according to an agreed scope with East Sussex County Council.



2.0 PROPOSED DEVELOPMENT

2.1 Application Details

Hanson operate an existing concrete batching plant within an aggregates site accessed from North Quay Road, Newhaven. The batching plant has been set up to serve the construction of an adjacent energy from waste (EfW) development,

Hanson has submitted a planning application (reference LW/616/CM) to enable the supply of concrete to the outside market. The main reason behind this application is so as to be able to provide concrete for the construction of a new waste water treatment works to the west of Newhaven: however, other developments may also be served.

2.2 Hours of Operation

There are no current restrictions on the hours of operation of the batching plant, and the applicant desires that the operation continues to be unrestricted due the nature of the development and the construction projects it would serve.

Normal hours of operation are as follows:

• 06:00 to 19:00 Mondays to Fridays; and

• 07:00 to 16:00 Saturdays.

Deliveries usually finish at about 14:00 on Saturdays with tidying up taking place afterwards.

Cement deliveries to the batching plant normally take place out of working hours, for safety reasons and to avoid HGVs trips on the road network outside of peak hours.

On rare occasions, the plant is operational over 24 hours, to serve major concrete pours on the served construction site.

2.3 Trip Generation

Aggregates for concrete production are brought to the site by rail. Road trips resulting from the proposed development would be comprised of cement deliveries and batched concrete exports, in addition to a small number of light vehicle trips associated with the operation of the plant.

Given the nature of the proposed development, the number of road HGV trips would be in proportion to the volume of concrete produced: the applicant estimates that average daily output from the plant would be 100m³ per day, with a maximum production from the plant in any one day of 600m³.

Concrete would be exported from the site in 6m³ loads and, allowing for part loads, each 100m³ of production equates to a maximum of 20 concrete loads exported plus 1 load of cement exported. The development site would, therefore, generate an average of 21 HGV trips (42 HGV movements) per day.

The maximum level of trips generated by the site would be six times this: 126 HGV trips per day (252 HGV movements per day).



To ensure a worst case assessment of capacity impact, it has been assumed that a 1/10th of the maximum daily trip rate would occur over peak hours: assessments are therefore based on a maximum trip generation of 13 HGV trips (26 movements) in the peak hour.

Light vehicle trips associated with the operation of the plant would remain at the same level as existing, resulting in no further trips on the network.

2.4 Distribution

The main purpose of the planning application is to enable concrete to be supplied for the construction of a waste water treatment works at Peacehaven, which is located to the west of Newhaven.

This would imply that all concrete deliveries would head west from the site entrance to access Peacehaven via the A259, and there would be no additional traffic resulting on the roundabouts on Drove Road located to the east of the application site.

The proposed development would not, however, be exclusively for a single construction project, and some trips to the east of the application site are envisaged from time to time. In order to undertake a broad analysis, therefore, the assessment has been undertaken assuming 75% of trips are sourced from the west and 25% are sourced from the east.

Given that this assessment is assuming worst case in terms of trip generation, it is considered that this would provide a robust analysis of the roundabout junctions to the east of the site.

2.5 Scope of Assessment

East Sussex County Council (the highway authority), provided a consultation response to the planning application, requesting that a Transport Report be undertaken in accordance with their guidelines.

Following appointment, SLR contacted Teresa Ford at the highway authority to confirm the scope. A copy of the relevant correspondence with the highway authority is provided at Appendix 1. Based on the scope agreed with the highway authority, the following junctions were identified to be assessed (locations shown on Drawing No 1):

• Junction of A259 eastbound exit slip road with B2109 Drove Road (known as the Drove Road / North Way junction);

• Junction of A26 New Road with B2109 Drove Road; and

• Roundabout junction of A259 The Drove with B2109 Drove Road.



3.0 BASELINE CONDITIONS

3.1 Existing Highway Network

The location of the application site is shown on the attached drawing NQR/1.

The application site is accessed directly from North Quay Road, with all traffic routes south towards the B2109 and A259.

3.1.1 North Quay Road

North Quay Road is a single carriageway road approximately 8 metres wide, which provides access to a number of industrial units and facilities, primarily associated with waste, minerals and concrete production operations.

The road is of concrete construction, which is in poor repair. A footway is located on the west side of the road, and similarly is in a poor state of repair. There are frequent HGV and light vehicle traffic movements on the road throughout the day.

North Quay Road

3.1.2 B2109

North Quay Road joins with the B2109 via an at grade priority t-junction. The B2109 forms the eastbound exit slip road to the A259 and is a one way road until east/south of the North Quay Road junction.



The junction is laid out so that the North Quay Road arm joins with the junction on the apex of the bend of the B2109. Road markings defining priorities are in a poor condition. Visibility at the junction is adequate in both directions. The junction is illuminated to modern standards.

It is noted that improvements are proposed to the junction associated with the EfW development on North Quay Road (discussed further in section 3.3 below), to make this junction a mini roundabout layout.

3.1.3 B2109 Grove Road

The B2109 joins with the B2109 Grove Road via an at grade T-junction. The layout is set out so as to accommodate turning requirements in to the ferry port terminal on the south side, the westbound on slip the A259, and Grove Road east towards the retail park. A level railway crossing is present on Grove Road immediately east of the junction.

Visibility at the junction is adequate to the right (towards to the westbound on slip), however it is restricted to the left due to vegetation and the road side boundary fence (infrastructure associated with railway and level crossing, including signal box, located behind).

Newhaven Town railway station is located immediately opposite the junction.

The B2109 Grove Road forms an east west link running parallel to and south of the A259 which is elevated in this section running over the railway and other roads. The level crossing of Grove Road includes automatic barriers which are down frequently throughout the day, which is discussed under baseline traffic flows below.

The Grove Road/Railway road junction is an upgrade priority junction, located between the B2109 and A26 junctions, providing access to industrial units to the South. The junction is laid out so to accommodate the railway level crossing immediately to the west, visibility is adequate in both directions.



The B239 Grove Road/A26 New Road junction is an at grade mini roundabout comprising four arms: the 26 arm to the north, Grove Road to the east and west, and a gated private access to the south.

The A26 new road is a single carriageway road with footways located on either side. The road is approximately 9 metres wide within the vicinity of the Grove Road junction, accommodating a bike turn lane for movements in to the A259 slip road located to the north of the Grove Road junction. A bus stop and lay-by is located on the A26 immediately north of the Grove Road junction.

3.2 Traffic Levels

Peak hour baseline traffic levels were recorded at the B2109 / Drove Road and A26 / Drove Road junctions. The data were collected in a week outside of school holidays and weeks including bank holidays. A copy of the data is included at Appendix 2.

Further baseline traffic information has been sourced from the Transport Assessments prepared for two planning applications for developments near to the application site, described in further detail in Section 3,3 below. The sources of traffic data used for the relevant junctions are shown on the link network diagrams included at Appendix 3.

All traffic data collected have been “normalised” to a baseline year of 2010, using TEMPRO growth factors where appropriate. Details of the TEMPRO calculations are also included in Appendix 3

Taking all of the information into account, the morning and evening peak hour turning movements at junctions on the road network within the vicinity of the site, for a baseline year of 2010 and an assessment year of 2015 are provided at Appendix 3.

3.3 Committed Developments

3.3.1 Introduction

A number of new developments within the study area have recently been considered, which have an impact on measured baseline traffic levels. These developments have been incorporated into the traffic baseline, as detailed in the sections below.

Trips associated with these developments have been incorporated in the road network models, which are shown at Appendix 4.

3.3.2 Energy from Waste Plant, North Quay Road

Veolia have submitted a planning application for the construction of an Energy from Waste (EfW) plant on land accessed from North Quay Road, and the development has now received planning permission.

From the planning application documents, this will result in 224 HGV trips (528 movements) and 40 light vehicle trips (80 movements) per day.

As construction of the EfW plant is currently in progress, some associated construction trips will be included in the measured traffic flows. By incorporating additional trips in the road network, therefore, the total trips arising from the completed development has been over estimated, thus ensuring a worst case assessment.



3.3.3 Development of Units 1-2, The Drove

Altyre Securities have submitted a planning application for a mixed use development at 1-2 The Drove to provide food and non-food retail, offices and warehousing. The application has not yet been determined, however it is included in this assessment on the basis that it will go ahead.

A Transport Statement which accompanied the application was prepared by Waterman Boreham Ltd, and the trips associated with the proposed development have been taken from that report, and incorporated into the road network model as detailed in Appendix 4.

3.3.4 Supermarket Extension

Sainsbury’s Supermarkets Ltd have submitted a planning application for the extension of its existing supermarket at The Drove. The development would increase the floor space of the development from 5,454 square metres to 8,886 square metres and has been granted planning permission.

The Transport Assessment prepared by Mayer Brown has been interrogated to determine future trip generation arising from the development, and this has been incorporated into the road network model as detailed in Appendix 4.



4.0 IMPACT ASSESSMENT

4.1 Assessment Years & Traffic Growth

In accordance with Guidance on Transport Assessment, junctions on the network have been assessed for an assessment year of 5 years following the date of planning application. The application was submitted in 2009, however additional information is being provided in early 2010. An assessment year of 2015 is therefore appropriate.

Baseline traffic levels have been growthed to 2015 using TEMPRO (version 6.1), as detailed in Appendix 3.

Taking account of trip generation associated with the proposed development, measured baseline data and trips arising from committed developments, the predicted future movements on the road network have been calculated and this is detailed at Appendix 5.

4.2 Capacity Assessments

4.2.1 Introduction

Junction capacity has been assessed using the industry standard assessment software programmes PICADY (for priority junctions) and ARCADY (for roundabout junctions). The junctions have been assessed under the following scenarios:

• 2010 (no development or committed developments);

• 2010 plus committed developments; and

• 2015 plus committed development plus development.

The results of the capacity assessments are summarised in the sections below.

4.2.2 North Way / North Quay Road Junction

The capacity of this junction has not been assessed as it was not considered as required through the scoping exercise with East Sussex County Council.

From visual observations, it is considered that the junction operates adequately in the existing situation, and that this would not be adversely impacted upon when taking account of additional traffic resulting from either committed developments or the proposed development.

4.2.3 Drove Road / North Way Junction

The PICADY results for the assessment of this junction are included in Appendix 6 and summarised in Table 1 below.



Table 1 Peak Hour Capacity Assessments – Drove Road / North Way Junction

Movement AM Peak Hour PM Peak Hour

Demand / Capacity (RFC)

Max Queue Demand / Capacity (RFC)

Max Queue

Base 2010

Arm B-C 0.465 0.86 0.248 0.33

Arm B-A 0.115 0.13 0.143 0.17

Arm C-B 0.124 0.14 0.066 0.07

Base 2010 + Committed Developments

Arm B-C 0.576 1.3 0.482 0.92

Arm B-A 0.137 0.2 0.198 0.24

Arm C-B 0.204 0.3 0.131 0.15

Base 2010 + Committed Developments + Proposed Development

Arm B-C 0.658 1.82 0.538 1.15

Arm B-A 0.234 0.29 0.279 0.38

Arm C-B 0.230 0.29 0.148 0.17

The results shown in Table 1 indicate that the junction operates well within its capacity in the existing situation, which confirms site observations. The junction is predicted to continue to operate within its capacity when taking account of all committed developments and the proposed development.

4.2.4 New Road / Drove Road Junction

The ARCADY results for the assessment of this mini roundabout junction are included in Appendix 7 and summarised in Table 2 below.



Table 2 Peak Hour Capacity Assessments – New Road / Drove Road Junction

Arm AM Peak Hour PM Peak Hour



Max Queue

Base 2010

Drove Road (E) 0.485 0.90 0.348 0.50

Retail Access Rd 0.000 0.00 0.000 0.00

Drove Road (W) 0.451 0.80 0.283 0.40

New Road 0.480 0.90 0.593 1.40


Drove Road (E) 0.533 1.1 0.547 1.20

Retail Access Rd 0.007 0.0 0.052 0.10

Drove Road (W) 0.522 1.1 0.422 0.70

New Road 0.558 1.2 0.698 2.20


Drove Road (E) 0.609 1.5 0.616 1.60

Retail Access Rd 0.008 0.0 0.059 0.10

Drove Road (W) 0.583 1.4 0.468 0.90

New Road 0.619 1.6 0.784 3.40


4.2.5 A259 The Drove / Drove Road Roundabout

The ARCADY results for the assessment of this roundabout junction are included in Appendix 8 and summarised in Table 3 below.



Table 3 Peak Hour Capacity Assessments – A259 The Drove / Drove Road Roundabout

Arm AM Peak Hour PM Peak Hour



Max Queue

Base 2010

A259 (E) 0.732 2.70 0.458 0.80

Access Road 0.086 0.10 0.185 0.20

Drove Road 0.340 0.50 0.344 0.50

A259 (W) 0.345 0.50 0.703 2.30


A259 (E) 0.742 2.80 0.498 1.00

Access Road 0.107 0.10 0.215 0.30

Drove Road 0.396 0.60 0.491 1.00

A259 (W) 0.393 0.60 0.774 3.40


A259 (E) 0.819 4.40 0.546 1.20

Access Road 0.149 0.20 0.254 0.30

Drove Road 0.538 1.10 0.568 1.30

A259 (W) 0.431 0.80 0.858 5.70


4.2.6 Summary of Capacity Assessments

The capacity assessments indicate that the maximum level of trip generation arising from the development site would not create an adverse impact on the operation of junctions within the vicinity of the application site.



5.0 SUMMARY AND CONCLUSIONS

The proposed development will utilise an existing concrete batching facility, which currently serves an “on site” construction development, to provide concrete to outside markets. The proposed development will generate a maximum of 126 additional road HGV trips per day (252 movements), with the average through the year being in the order of 21 trips per day (42 movements).

The primary purpose of the development would be to serve a construction project located to the west of Newhaven, although other (unknown) projects may also be served. Capacity assessments have been undertaken for the maximum level of trip generation and assuming a 75% / 25% distribution split, in favour of the west.

The assessments also take account of committed developments near to the application site, as agreed with the highway authority. The assessments demonstrate that the capacity of the studied junction would not be adversely affected by the introduction of additional traffic, with all junctions predicted to operate within their reserve capacity for an assessment year of 2015.

It is not considered, therefore, that the proposed development would have an adverse impact on the adjacent road network.

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