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BS EN 14654-4:2021

BS EN 14654-4:2021

$142.49

Drain and sewer systems outside buildings. Management and control of activities – Control of inputs from users

Published By Publication Date Number of Pages
BSI 2021 30
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This document establishes requirements for the management and control of activities in drain and sewer systems outside buildings and specifies requirements for development and implementation of work programmes, and the selection of techniques.

This document together with EN 14654?1:2021 covers the control of inputs from users.

It is applicable to drain and sewer systems from the point where wastewater leaves a building, roof drainage system, or paved area, to the point where it is discharged into a wastewater treatment plant or receiving water body.

Drains and sewers below buildings are included provided that they do not form part of the drainage system of the building.

PDF Catalog

PDF Pages PDF Title
2 undefined
6 1 Scope
2 Normative references
3 Terms and definitions
8 4 General
9 5 Integrated sewer system management planning
5.1 Introduction
5.2 Control of inputs from users
6 Preparation of the input control programme
6.1 Introduction
6.2 Review of the inputs control activities planning
6.3 Investigation
6.3.1 Introduction
10 6.3.2 Review of previous investigations
6.3.3 Further investigations
11 6.4 Assessment
12 6.5 Development of the programme
6.5.1 Introduction
6.5.2 Specification of objectives
6.5.3 Developing options
6.5.3.1 Introduction
6.5.3.2 Use of regulatory powers
13 6.5.3.3 Influencing behaviour
14 6.5.3.4 Other solutions
6.5.4 Assess feasibility of solutions
6.5.5 Select optimum solutions
6.5.6 Producing the programme
15 7 Preparation of the project specification
7.1 Introduction
7.2 Review of the project description and project objectives
7.3 Investigation
7.4 Assessment
16 7.5 Drafting the project specification
7.5.1 Introduction
7.5.2 Prepare potential solutions
17 7.5.3 Assess feasibility of solutions
7.5.4 Select optimal solution
7.5.5 Detailed design of optimal solution
19 7.5.6 Prepare product specification
7.5.7 Performance indicators
8 Implementation of projects
20 9 Measurement of conformity
9.1 Measurement methods
9.2 Non-conformities
9.3 Post project appraisal
10 Review of plan and programme
21 Annex A (normative)Impacts of inappropriate inputs from users
A.1 Introduction
A.2 Structural integrity of the components of the sewer system or the wastewater treatment plant
A.2.1 Introduction
A.2.2 Chemical attack or corrosion
A.2.3 Mechanical damage
22 A.3 Function of the drain and sewer system
A.3.1 Introduction
A.3.2 Accumulation of attached deposits
A.3.3 Accumulation of settled deposits
23 A.3.4 Other obstacles
A.4 Function of mechanical equipment
A.5 Nuisance
A.5.1 Attract vermin
A.5.2 Odour nuisance
24 A.6 Function of the wastewater treatment plant
A.6.1 Introduction
A.6.2 Substances that cannot be treated
A.6.3 Substances that disrupt or interfere with wastewater treatment processes
A.6.4 Substances that impede the flow in the wastewater treatment plant
25 A.6.5 Hydraulically overload the wastewater treatment plant
A.7 Environment
A.7.1 General
A.7.2 Impact on the quality of receiving waters
A.7.3 Impact on the quality of sludge
A.8 Health and safety
26 Annex B (informative) Criteria for assessment of generally inappropriate inputs
B.1 Assessment criteria
B.2 Typical products of concern

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BS EN 14654-4:2021
$142.49