Wood Eaton Sewage Treatment Works, Gnosall, Staffordshire Preliminary
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WOOD EATON SEWAGE TREATMENT WORKS, GNOSALL, STAFFORDSHIRE PRELIMINARY ECOLOGICAL APPRAISAL A Report to: MWH Global Report No: RT-MME-119066-52 Date: April 2017 Triumph House, Birmingham Road, Allesley, Coventry CV5 9AZ Tel: 01676 525880 Fax: 01676 521400 E-mail: [email protected] Web: www.middlemarch-environmental.com Wood Eaton Sewage Treatment Works, Staffordshire RT-MME-119066-52 Preliminary Ecological Appraisal REPORT VERIFICATION AND DECLARATION OF COMPLIANCE This study has been undertaken in accordance with British Standard 42020:2013 “Biodiversity, Code of practice for planning and development”. Report Date Completed by: Checked by: Approved by: Version Anna Evans MSc Ellie Rickman MSc Dr. Philip Fermor CEnv, Final 05/05/2017 (Ecological Project ACIEEM (Senior MCIEEM (Managing Officer) Ecological Consultant) Director) The information which we have prepared is true, and has been prepared and provided in accordance with the Chartered Institute of Ecology and Environmental Management’s Code of Professional Conduct. We confirm that the opinions expressed are our true and professional bona fide opinions. DISCLAIMER The contents of this report are the responsibility of Middlemarch Environmental Ltd. It should be noted that, whilst every effort is made to meet the client’s brief, no site investigation can ensure complete assessment or prediction of the natural environment. Middlemarch Environmental Ltd accepts no responsibility or liability for any use that is made of this document other than by the client for the purposes for which it was originally commissioned and prepared. VALIDITY OF DATA The findings of this study are valid for a period of 24 months from the date of survey. If works have not commenced by this date, an updated site visit should be carried out by a suitably qualified ecologist to assess any changes in the habitats present on site, and to inform a review of the conclusions and recommendations made. Middlemarch Environmental Ltd. Page 2 Wood Eaton Sewage Treatment Works, Staffordshire RT-MME-119066-52 Preliminary Ecological Appraisal NON-TECHNICAL SUMMARY Middlemarch Environmental Ltd was commissioned by MWH Global to carry out an ecological appraisal at the site of a proposed development at Wood Eaton Sewage Treatment Works near Gnosall in Staffordshire. To fulfil this brief an ecological desk study and a Phase 1 Habitat Survey were undertaken. The ecological desk study identified one European Statutory Site, one UK Statutory Site, SSSI Impact Risk Zones and three non-statutory sites within the search area. Precautionary consultation is recommended for one of the non-statutory sites. The desk study also identified records of bats, birds, otter, brown hare, butterflies and notable plants. The Phase 1 Habitat Survey was undertaken on 10th April 2017 by Charlotte Richardson, Ecological Consultant. This found the site to be dominated by the buildings and structures of the sewage treatment works in the north, which are surrounded by areas of amenity grassland and hardstanding with a small area of ephemeral/short-perennial vegetation. To the west, south and east of the site are areas of rough improved grassland with pockets of tall ruderal vegetation and scrub, whilst a hedgerow is present along the western boundary. Areas of scrub are also present along the northern and eastern boundaries. The key ecological features on site are the presence of an invasive species (Himalayan balsam) and the potential presence of terrestrial mammals, herpetofauna, otter and water vole. In order to ensure compliance with wildlife legislation and relevant planning policy, the following recommendations are made: R1 Reulemill Covert LWS: The Local Planning Authority ecologist and / or the local Wildlife Trust should be consulted prior to any works commencing to ensure that the proposed works will not adversely impact upon the site. R2 Habitat Loss and Restoration: Where habitats may be temporarily affected by the proposed works, it is recommended that appropriate measures are taken to restore these habitats post-construction in order to maintain the biodiversity value of the site. R3 Terrestrial Mammals (including Fox and Hedgehog): Any excavations that need to be left overnight should be covered or fitted with mammal ramps to ensure that any animals that enter can safely escape. Any open pipework with an outside diameter of greater than 120 mm must be covered at the end of each work day to prevent animals entering/becoming trapped. R4 Herpetofauna: The improved grassland at the location of the potential extension of the turning circle should be maintained with a short sward. If this is not possible then any strimming or stripping of the grassland should be undertaken under the supervision of an experienced ecologist as a precaution to prevent harm to common reptiles or amphibians. The following precautionary recommendations are also made: R5 Otter and Water Vole: Should the works alter to come within 8 metres of the brook just outside the eastern boundary of the survey area, surveys for otter and water vole should be undertaken. Water vole surveys can be completed between March and October inclusive. Otter surveys can be undertaken at any time of year. R6 Himalayan Balsam: The works must not cause the Himalayan balsam present on site to spread in the wild. If removal is required, this must be undertaken with care. Middlemarch Environmental Ltd. Page 3 Wood Eaton Sewage Treatment Works, Staffordshire RT-MME-119066-52 Preliminary Ecological Appraisal CONTENTS 1. INTRODUCTION ........................................................................................................................................ 5 1.1 PROJECT BACKGROUND ........................................................................................................................ 5 1.2 SITE DESCRIPTION AND CONTEXT .......................................................................................................... 5 1.3 DOCUMENTATION PROVIDED .................................................................................................................. 5 2. METHODOLOGIES.................................................................................................................................... 6 2.1 DESK STUDY ......................................................................................................................................... 6 2.2 PHASE 1 HABITAT SURVEY ..................................................................................................................... 6 3. LEGISLATION AND POLICY .................................................................................................................... 7 3.1 GENERAL BIODIVERSITY LEGISLATION AND POLICY ................................................................................. 7 3.2 NATIONAL PLANNING POLICY FRAMEWORK AND PRACTICE GUIDANCE ..................................................... 8 3.3 LOCAL PLANNING POLICY ....................................................................................................................... 9 4. DESK STUDY RESULTS ........................................................................................................................ 11 4.1 INTRODUCTION .................................................................................................................................... 11 4.2 NATURE CONSERVATION SITES ............................................................................................................ 11 4.3 PROTECTED / NOTABLE SPECIES .......................................................................................................... 11 4.4 INVASIVE SPECIES ................................................................................................................................ 12 5. PHASE 1 HABITAT SURVEY ................................................................................................................. 13 5.1 INTRODUCTION .................................................................................................................................... 13 5.2 SURVEY CONSTRAINTS AND LIMITATIONS .............................................................................................. 13 5.3 HABITATS ............................................................................................................................................ 13 5.4 FAUNA ................................................................................................................................................ 14 5.5 INVASIVE PLANT SPECIES .................................................................................................................... 14 6. DISCUSSIONS AND CONCLUSIONS .................................................................................................... 15 6.1 SUMMARY OF PROPOSALS ................................................................................................................... 15 6.2 NATURE CONSERVATION SITES ............................................................................................................ 15 6.3 HABITATS ............................................................................................................................................ 15 6.4 PROTECTED/NOTABLE SPECIES ........................................................................................................... 16 6.5 INVASIVE PLANT SPECIES ...................................................................................................................