The scope of work included replacement of the existing flexible hydraulic hose to stainless steel 316L tubing for hydraulic bollards and 2 NOS of hydraulic power units (HPU), upgrading and refurbish of hydraulic bollards access boxes for new tubing connection. Subcontractor was engaged for underground cable detection, demolition, excavation and construction of trench to contain hydraulic lines and bollards. Local registered PE was also engaged to endorse as built drawings.