The construction of a new Sewage Treatment Works in place of the existing works

Why was this approved?

• Replacement on existing site in countryside (GP3(e))
• Visual impact mitigated by landscaping and screening
• Ecological mitigations via CEMP and conditions
• Flood risk addressed by design and raised levels
• Contamination and construction management
• No highway or amenity objections

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Decision & Reasoning

Policies Assessed (15)

Conditions (10)

1. 1

   Time limit

   The development hereby approved shall be begun before the expiration of four years from the date of this decision notice.

2. 2

   Land contamination analysis

   Prior to the commencement of development the department requires the submission of a land contamination analysis and results with a sampling location map. This should also identify an excavation plan showing the extents of excavation and how the contaminated materials on site will be managed and disposed of.

3. 3

   Watercourse works timing

   Any works to the watercourse bank and channel are restricted to the period July to September (inclusive).

4. 4

   River works method statements

   Works to the river will be conducted according to written method statements agreed in advance with the Inland Fisheries Section of the Fisheries Directorate, DEFA.

5. 5

   On-site tree and hedge planting

   The proposed Tree and hedge planting shall be undertaken on site as per the updated tree planting plan (Drg no. PP-120722) in the nearest planting season following the construction of the new sewage treatment works.

6. 6

   Tree retention and protection

   All of the trees shown to be retained in the Tree Impact Reduction plan (Drg. No TR-120423) are retained and protected throughout the works.

7. 7

   Off-site mitigation tree planting

   Within 3 months of commencement on site further off-site mitigation tree planting along the heritage trail (as discussed and previously agreed with the Department and shown in blue on the Tree Impact Reduction Plan shall be implemented and retained in perpetuity.

8. 8

   Bat and bird boxes

   Prior to the commencement of development, the applicant shall install 6 bat and 6 bird boxes (including 1 barn owl box) are erected on trees around the Crosby STW site prior to the felling of any trees.

9. 9

   No external lighting

   No Permission is hereby granted for the external illumination of the site, save for emergency lighting.

10. 10

    Construction Environmental Management Plan (CEMP)

    No works to take place, including clearance and enabling works and the laying of any pipework, unless a Construction Environmental Management Plan (CEMP) has been provided to the Department and approved in writing. The CEMP will need to contain details of the roles, responsibilities, training, procedures and monitoring on site which will ensure that the environment is protected during all phases of the development and all environmental legislation and policy is adhered to. The CEMP will need to incorporate the following avoidance and mitigation measures and the works must be undertaken in strict accordance with these measures: o A responsible eradication plan for Wildlife Act 1990 Schedule 8 montbretia, rhododendron and cotoneaster. o Measures to be taken to ensure that the proposals do not result in the degradation and pollution of the River Dhoo, either through direct impact or as a result of run-off entering the watercourse; o Construction exclusion areas and other measures to prevent damage to retained trees, wet ditches and surrounding vegetation. o Pre-felling bat assessments and the soft felling of all trees which were shown to have potential for bats, pre-felling checks on buildings to be removed, as well as measures to be taken should bats be encountered throughout the works. o Construction lighting which adheres to the BCT Guidance on Bats and Artificial Lighting in the UK. o Reasonable Avoidance Measures (RAMs) for nesting birds to ensure they are not harmed by the works - vegetation removal outside of the nesting season, or thorough checks prior to removal. o RAMs for common lizard and common frog to ensure they are not harmed by the works - checks by ecologists following removal of brash or wet ditches, measures to be taken should frogs or lizards be encountered during the works. o Identification, careful removal and storage of species-rich turfs for reusing on site following construction.

Public Comments (8)

Consultation Responses

Multiple consultees responded to planning application 22/01084/B for a new Sewage Treatment Works at Crosby, with initial objections from ecology, forestry, and heritage bodies over tree loss and habitat, later withdrawn by some after mitigations; highways and environmental protection offered conditional no objection.