The project site was located on the west side of the existing school building, in the existing playground area. The scope of the work was consisted of: demolition existing playground area, installation of the ERS system, removal soil for the caissons, caissons, grade beams and final grading of the site. After demolition of the existing playground (playground equipment, site trees, benches, asphalt) ERS system was installed. Removal of the soil started and site preparation for the installation of the caissons. 23 caissons were installed and removal off the unsuitable soil continued. Upon removal of the soil was completed, preparation and installation of the grade beams started. The last scope of work performed on this project was final grading of theconstruction site with compacted stone.