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Sustainability & Delivery CIRIA C753 §32

SuDS Maintenance Management Plan

Generate a CIRIA C753 compliant maintenance schedule with frequency, tasks and responsibilities.

1
Inventory
2
Schedule
3
Costs
4
Compliance
5
Adoption
6
Export

Site & SuDS Inventory

Enter development details and list all SuDS components on site

Project Information

SuDS Components

Component Type Quantity / Area Location Design Life (yrs) Adoptable? Action

Maintenance Schedule

Review and customise maintenance tasks for each component

Auto-Generated Schedules

Maintenance schedules have been generated based on industry best practice (CIRIA C753). Review tasks below and adjust as needed for your specific site conditions.

Annual Task Calendar & Responsible Parties

Tasks are colour-coded by frequency. Review responsible parties and ensure maintenance access routes are defined.

Cost Summary

Annual and lifecycle maintenance costs at 3.5% discount rate

Annual Maintenance Cost £0
Cost per Dwelling / Unit £0 / year
25-Year Lifecycle Cost (NPV) £0
Commuted Sum (Section 104/38 Adoption) £0

NPV Calculation Details

Annual cost multiplied by NPV factor (3.5% discount rate, HM Treasury Green Book methodology).
25-year factor: 16.48 | 60-year factor: 25.38
Commuted sum represents full lifecycle cost for water company adoption.

Cost Breakdown by Component

Cost Projection (25-Year Lifecycle)

Compliance & Management

Track Defra S7 requirements and management responsibilities

Defra S7 Checklist

Management Company Contact Details

Maintenance Access Routes

Health & Safety Considerations

Commuted Sum Calculator

Annual Maintenance Cost

£0

25-Year Capitalised Cost (for LA adoption)

£0

Adoption & Legal Framework

Select adoption pathway and confirm legal requirements

Adoption Pathway

Section 104 (Water Industry Act 1991)
Water company adoption. SuDS become public sewers. Commuted sum required. 12-month defect liability period.
Section 38 (Highways Act 1980)
Highway authority adopts as part of highway maintainable at public expense. Applies to SuDS within adopted highways only.
Private Management Company
Management company owns and maintains SuDS. Residents pay service charge. Greater flexibility but no statutory maintenance duty.
Local Authority (Schedule 3 - Future)
When Schedule 3 Environmental Permitting Regulations enacted. Local authority adoption for treatment-only SuDS.

Legal Requirements

Handover Checklist Items

• As-built drawings and specifications
• Operation & Maintenance Manual
• Health & Safety File (CDM compliance)
• Warranty & defects documentation
• CCTV inspection records (if applicable)
• Inspection schedule templates

Generate MMP Document

Create your comprehensive Maintenance Management Plan PDF

Document Contents

Your PDF will include:
• Cover page with development details
• Complete SuDS inventory table
• Full maintenance schedule (all tasks, all frequencies)
• Annual cost summary and 25-year lifecycle projection
• Adoption pathway and legal requirements
• Handover checklist
• Blank inspection record template (Appendix A)

Generating PDF document...