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BS 8683:2021

$167.15

Process for designing and implementing Biodiversity Net Gain. Specification

Published By Publication Date Number of Pages
BSI 2021 38
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This British Standard specifies a process to design, implement, maintain and monitor BNG outcomes from a development project.

It does not cover the actual delivery of BNG. It provides a framework to demonstrate that a project has followed a process that is based on the UKā€™s BNG Good Practice Principles [N1]. Complying with the requirements within this British Standard is to follow a process to achieve BNG that is based on good practice.

This British Standard is for any sector of industry, including residential, mixed-use, energy, water, transport, communications and infrastructure across the UK. It is for any scale of project from individual house-builds to larger developments, as well as estate management, whether they are subject to consent through the planning system, or another consenting process (e.g. Development Consent Orders) or are classified as permitted development. It can also be used by land managers aiming to generate BNG through management of an estate. Hereafter the term ā€œprojectā€ refers to both development projects and land management activities.

This British Standard covers terrestrial and freshwater habitats, and intertidal habitats down to the mean low water mark. It is applicable across the UK and for projects that affect biodiversity and those with limited or no impact on biodiversity, as well as projects aiming to achieve BNG on- and/or off-site.

It first sets out requirements that apply throughout the BNG process; these requirements are in Clause 4.

Clause 5 to Clause 8 contain requirements for each of these stages of the BNG process:

  1. Clause 5: Preparation

  2. Clause 6: Design

  3. Clause 7: Implementation

  4. Clause 8: Maintenance and management

A project might involve requirements to achieve BNG from, for example, a planning condition or compliance with legislation. This British Standard covers a process to achieve BNG, notwithstanding any such requirements. It does not infer compliance with any planning condition, legislation or statutory requirement, and is independent from any mandatory or legislative requirement for BNG.

Furthermore, following the BNG process in this British Standard does not substitute the requirements to assess ecological impacts and report them, e.g. as part of an EcIA. Rather, this British Standard builds on, and is not intended to repeat, existing good practice for biodiversity surveys, impact assessments, mitigation and compensation for projects.

Projects with impacts on irreplaceable habitats cannot achieve BNG. These projects can follow the process in this British Standard for habitats that are not irreplaceable but cannot claim project-wide achievement of BNG. These projects need to transparently and comprehensively refer to the impacts on irreplaceable habitats in communications and reports.

PDF Catalog

PDF Pages PDF Title
4 Foreword
7 Section 1: Biodiversity Net Gain
Introduction
8 1 Scope
9 2 Normative references
3 Terms, definitions and abbreviations
12 4 Requirements for all stages of the BNG process
14 Section 2: Preparation and design
5 Preparation
5.1 Record a commitment to achieving BNG
5.2 Assess the feasibility of achieving BNG
16 5.3 Inform project optioneering decisions
17 6 Design
6.1 Impact assessment
19 6.2 Design
21 Table 1 ā€” Example application of the like-for-like or better principle to achieve BNG
28 Section 3: Implementation and maintenance and management
7 Implementation
7.1 Competence of contractors
7.2 Site set up
7.3 Protection of existing biodiversity features
29 7.4 Importance of seasonality
7.5 Recording during implementation works
7.6 Biodiversity net gain agreement
30 7.7 Implementation to management handover
8 Maintenance and management
8.1 Implementation of the Management and Monitoring Plan (MMP)
8.2 Monitoring
31 8.3 Reporting
8.4 Record management
32 8.5 Handover
33 Annex A (informative)ā€‚ Guide to which elements might be relevant for different stages of the process
Table A.1 ā€” Elements relevant to different stages of the process
35 Bibliography
BS 8683:2021
$167.15