Construction 1. Refer to approved plans for location and construction details. If there are questions or problems with the location, or method of installation, contact the engineer or responsible on-site officer for assistance. 2. Clear the foundation area of the outlet structure (if any), and install as per separate instructions. 3. Excavate the settling pond in accordance with the approved plans. Unless otherwise specified, the excavated pit should have a side slope of 2:1(H:V) or flatter. 4. Appropriately stabilise any bank subject to direct inflow. 5. Establish all necessary up-slope drainage control measures to ensure that sediment-laden runoff is appropriately directed into the sediment trap. 6. Take all necessary measure to minimise the safety risk caused by the structure. Maintenance 1. Check excavated sediment traps after each runoff event and make repairs immediately. 2. Inspect the banks for slumping or excessive scour. 3. If flow through the structure is reduced to an unacceptable level due to blockage of the outlet structure (if any), then make all necessary repairs and maintenance to restore the desired flow conditions. 4. Check the structure and surrounding channel banks for damage from overtopping flows and make repairs as necessary. 5. Remove sediment and restore original sediment storage volume when collected sediment exceeds 30% of the pit volume. 6. Dispose of sediment and debris in a manner that will not create an erosion or pollution hazard. Removal 1. When the up-slope drainage area has been stabilised, remove all materials included deposited sediment and dispose of in a suitable manner that will not cause an erosion or pollution hazard. 2. All water and sediment should be removed from the basin prior to the dam's removal. Dispose of sediment and water in a manner that will not create an erosion or pollution hazard. 3. Bring the disturbed area to a proper grade, then smooth, compact and stabilise and/or revegetate as required.