Mae’r gwaith hwnnw’n cynnwys atgyweirio cegau a sgriniau cylfatiau, ynghyd ag archwilio ac atgyweirio asedau sy’n bodoli eisoes, ac atgyweirio neu newid cyfarpar monitro sy’n bodoli eisoes.
This includes repairs to culvert inlets and screens, along with inspection and repairs to existing assets, and the repair or replacement of existing monitoring equipment.