Preview only show first 10 pages with watermark. For full document please download

Shallow Mount M50/p1 Fixed Bollards

   EMBED


Share

Transcript

SHALLOW MOUNT BOLLARD Method Statement INSTALLATION OF SHALLOW FOUNDATION FIXED BOLLARDS SEQUENCE:Step 1 –The civil contractor shall prepare the excavation area in line with safety plan Step 2 –Once all protection has been put in place the excavation can commence. Once the ground has been surveyed for services with the aid of a Scanner and drawings provided by others to check for any further services commence breaking the ground to a depth per drawing. Dependant on ground conditions, this excavation can be performed using either an hydraulic breaker of Hard Point Breaker Step 3 – Once depth has been achieved, all spoil to be removed onto adjacent vehicle and distributed to local approved tipping/land fill site. Once the area is clear, the shallow mount units shall be lifted into position using appropriate lifting equipment Step 4 – Bollard & base plate should be slung in the traditional wrap around method. Sling each bollard into position at agreed locations. Caution shall be taken not to damage paving and columns when placing bollards. Once installed, each unit shall be checked for level and adjustments made to ensure the bollard is vertical Step 5 – Once unit has been positioned correctly, the same method will be adopted to lift the next adjacent unit into position. Once placed side by side an interlocking pin shall be inserted and the units are joined together Step 6– Once all units have been located into their agreed positions, C50, 3/8”aggregate pre-mixed concrete shall be applied to back fill all excavated areas either pumped or manually transported from concrete truck to excavation area. Vibration pokers to be used to ensure a consistent flow of concrete is achieved through the shallow mount structures Step 7 – Once all areas complete and concrete has cured the sidewalk can be finished with appropriate materials defined by the project specification and the area will have a full clean down. All vehicular & pedestrian traffic management requirements have been provided by the contractor. All works carried out in accordance with Ameristar installation instructions and the site safety plan