Clever Shield Guide: Installing and Specifying a Basement Sump Pump System

This guide is provided for illustration purposes only. All installation work should be carried out by qualified waterproofing professionals and certified electricians in accordance with current UK building regulations. Clever Shield supplies professional-grade systems and components but does not offer installation services.

Sump Pump installed into a basement.

When designing a Type C cavity drainage system, a sump and pump setup is essential for managing groundwater and maintaining long-term protection. The sump pump removes collected water from the drainage channels, keeping basements dry and structurally sound.

This guide explains how to design, install, and maintain a sump system correctly — from forming the sump chamber to selecting the right pump for your project.


Key Considerations When Planning a Sump Pump System

Before installation, it’s vital to assess:

  • ✅ The size and capacity of the sump chamber

  • ✅ The number and type of pumps required

  • ✅ The layout of pipework and discharge routes

  • Battery backup and alarm systems for reliability

  • ✅ Access for inspection and maintenance

If you’re new to sump pumps or waterproofing design, contact our team for project-specific support or explore Clever Shield’s range of pre-configured sump and pump kits.


Professional Installation Only

Sump pump systems should always be installed by qualified waterproofing professionals. Each system must be designed to the project’s hydraulic conditions and electrical setup. Clever Shield recommends using an accredited basement waterproofing contractor and a certified electrician for commissioning and connection.


Installing a Sump Chamber

The installation method depends on whether your project is a new build or a retrofit:

New Build Projects

For new builds, you can:

  • Form a concrete box to house the sump, ensuring structural integrity with the surrounding slab.

  • Or, prepare a steel reinforcement cage to fix the sump chamber securely before concrete pour.

Always consult a structural engineer and follow manufacturer specifications for sizing, positioning, and concrete backfill.

Retrospective Installations

When retrofitting, the sump pit is formed by breaking through the existing slab, excavating the hole, and pouring a 150mm concrete base. A blockwork surround can be added to contain the sump and provide structural stability.


Selecting the Right Sump Chamber and Pumps

Clever Shield offers pre-engineered sump chambers and pumping systems designed for Type C waterproofing. Our systems include robust polyethylene tanks with anti-flotation bases and reliable submersible pumps suited to domestic and commercial properties.

When choosing your sump and pump setup, consider:

  • Chamber size and storage capacity

  • Flow rate and total dynamic head

  • Dual-pump configurations for resilience

  • Alarm and battery backup compatibility

Our CleverSump range provides complete, high-performance systems using proven Edincare pump technology.


Sump Location and Maintenance Access

Position the sump chamber in a location that ensures:

  • Easy access for servicing and maintenance

  • Proximity to the drainage system discharge point

  • Avoidance of service ducts and walls

  • Space for pipework and alarm components

Accessibility is crucial — lids and alarms must remain reachable once finishes are complete.

Pro Sump Kit Twin Chamber. Basement Waterproofing.

Plumbing and Connections

Pipework and electrical connections should follow best-practice waterproofing standards. All inlets, outlets, and discharge pipes must be solvent-welded pressure-rated PVC with non-return valves fitted. A high-level water alarm and back-up power system are strongly recommended for resilience during power loss or heavy rainfall events.



Maintenance and Service

Regular maintenance ensures reliability. Pumps and chambers should be inspected quarterly during the first year, then annually. The system should be flushed and cleaned to prevent silt or debris accumulation. Clever Shield can assist with service kits, replacement pumps, and technical support for long-term performance.


Why Choose Clever Shield

  • Certified waterproofing systems – BBA-approved and compliant with BS8102

  • Nationwide supply and next-day delivery

  • Expert technical guidance from trained specialists

  • Trade pricing and bulk options for contractors


Clever Shield – Protecting Assets from Roof to Basement and Beyond
Explore our full range of sump pumps, drainage channels, and waterproofing membranes or contact our technical team on 01268 472358 for project support.


This guide is provided for illustration purposes only. All installation work should be carried out by qualified waterproofing professionals and certified electricians in accordance with current UK building regulations. Clever Shield supplies professional-grade systems and components but does not offer installation services.

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