PRojects

Project Oil Spill remediation Services – escape of oil from feedline of neighbouring boiler Location Kentstown, Co. Meath Duration 7 Months Background There was an escape of oil from the oil feedline at the boiler from a neighbouring property with unconfirmed reports of approximately 400l of oil lost to ground. Impact • Strong oil odours and elevated PID readings in excess of 18ppm noted inside the general air of the property. • PID reading in excess of 200ppm noted at the exhaust of the air ventilation unit. • Free oil encountered along the east gable wall and at the rear of the building where oil tracked the foundation of the house, with oil impact confirmed to soil and fill material strong oil, with odours and elevated PID readings in excess of 100ppm encountered. • Internally, oil impact confirmed to soil and fill material above the foundations of the bathroom, hallway and sitting room. Verde’s Remediation Programme • Structural assessment undertaken prior to the works to undertake a pre-condition survey of the building and to provide guidance as to whether the stairs required to be underpinned or removed to facilitate excavations below. • Internal boiler temporarily disconnected and a temporary heating system installed. • Staircase removed. • Laminate flooring inside the sitting room and hallway removed. • Floor tiles inside the bathroom broken out and disposed of. • The concrete floor inside the bathroom and hallway was broken out and disposed of. • The limestone slabs at the rear of the property removed to facilitate the remedial works. • Concrete apron along the east gable and rear of the building was broken out and disposed of. • Boundary fence along the eastern side of the property removed. • Contaminated material from inside the bathroom, hallway, along the east gable and rear of building excavated and removed from site. • Exposure of internal & external rising blockwork, with high temperature pressure wash applied to exposed masonry. • A pump and treat system installed along the east gable to treat any contaminated water within the excavations. • Controlled programme of in-situ treatments was applied to target oil contamination inside the sitting room and external areas. • Excavated material was removed for appropriate disposal at a licensed facility. • Excavated areas reinstated. • Concrete floors inside the hallway and bathroom reinstated. • New staircase fitted. • Bathroom partition, including storage space and access door reinstated. • Electrics in the bathroom reconnected. • Concrete apron along the east gable, at the rear and a section towards the front of the building was reinstated. • New foundation for boundary wall installed. • New patio installed at the rear of the property. • Access gate to the rear of the property replaced. • External boiler reconnected and heating system re-commissioned. • Final sampling exercise undertaken to examine soils and interior air quality at the previously affected areas. Testimonial Thanks to everyone in Verde. While at times we found the oil remediation process stressful, your work was always of the highest standard. GM, Kentstown, Co. Meath