STEPPS PRIMARY SCHOOL EXTRACTION, VOID INFILL AND INSTALL NEW DRAINAGE SYSTEM

 Preston Western Distributor Road Phase 1 Lea Viaduct

Over 100m3 of LECA LWA (10-20mm) was recently specified for the reparation of the underground piping system at Stepps Primary School in Glasgow, where there was a serious issue with the existing water piping system, resulting in water leakage under the floor of the school - creating serious risk for the flooring of the school which over a prolonged period of time would create serious ground work issues. 

For this project, the Main Contractor, Luddon Construction Ltd proposed to extract the existing underground piping system and to install a new hanging new piping system underneath the existing piling flooring system. The designers planned to incorporate LECA LWA to fill the void underneath and cover the new piping system - providing the sufficient structural stability required whilst providing an effective water management system if faced with future water leakages. 

LECA LWA could provide the structural robust strength required for the void fill whilst offering the properties to be able to effectively manage water drainage through its effective water retention properties, a fact which is evidential through the use of LECA LWA to be used for flood prevention. 

FACTS


Amount of material: 100m3 of LECA® LWA (10-20mm)

Interesting Fact:  This is the first time LECA UK has incorporated a third-party collaborator to pneumatically deliver the material into site.

Delivery Method: Pneumatic Delivery

Main Contractors: Luddon Construction Ltd

Fire Resistance Properties of LECA® LWA

It was important for the developers to ensure that the material had specific properties and this included fire resistant properties, being lightweight to not impose any excessive weight to the existing groundwork, offer robust structural stability and to be easily deliverable into confined spaces where access was limited. LECA LWA could provide all of these requirements through being lightweight, robust, fire resistant and could offer the unique ability to be pneumatically delivered at a rapid delivery rate through a hose piping system which could reach up to 50m.

 Preston Western Distributor Road Phase 1 Lea Viaduct
 Preston Western Distributor Road Phase 1 Lea Viaduct
 Preston Western Distributor Road Phase 1 Lea Viaduct
 Preston Western Distributor Road Phase 1 Lea Viaduct

The LECA LWA was pneumatically delivered to fill the void of the new piping drainage system through a collaboration with the hauliers Scottbark, who through their unique delivery vehicles with the pneumatic blowing facility could pneumatically pump out LECA LWA at a rapid rate. This is the first time LECA UK has incorporated a third-party collaborator to pneumatically deliver the material into site. This was a success and the hauliers who oversaw the pneumatic delivery provided positive feedback on how lightweight the material was in delivery.

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