There's an access cover at the foot of the brick sluice, central to it. It's about 2 feet 6 inches in diameter and bolted down securely - presumably to prevent heavy flow from blowing through it.
There&#039;s an access cover at the foot of the brick sluice, central to it. It&#039;s about 2 foot 6 inches diameter and is bolted down securely - presumably to prevent heavy flow from blowing through it.