This article is about penile erection. For the similar arousal in females, see clitoral erection. For other uses, see Erection (disambiguation). An erection (clinically: penile erection or penile tumescence) is a physiological phenomenon in which the penis becomes firmer, engorged and enlarged.
The obstacles in the menâs steeplechase are 914 millimetres (36.0 inches) high. In the womenâs steeplechase, the obstacles are 762 millimetres high (30.0 inches). The water jump consists of a barrier followed by a pit of water. The landing area for the pit of water is 3.66 metres (12.0 ft) by 0.70 metres (2.3 ft). At its deepest point, the slope goes down to a depth of 700mm (28 inches).
Riprap may also used as revetment. Installation: Stone weight is approximately 165 lbs/cu ft. Riprap should be well-bedded in a stable channel bottom for a depth of 1.5 to 3.0 ft, depending on the size of the stone.The channel side slopes shall be prepared to the required lines and grades.Riprap should be placed over filter fabric.iprap should be well-bedded in a stable channel bottom for a depth of 1.5 to 3.0 ft, depending on the size of the stone. The channel side slopes shall be prepared to the required lines and grades. Riprap should be placed over filter fabric.