Figure 30. Contour map of the FRF site (contours in feet). 



backed by a dune which reaches a height of 7 meters (22 feet) above MSL. 

 Beach width varies but averages about 40 meters (130 feet). Berms, with crest 

 elevations of 2.4 meters (8 feet), and beach cusps are common. The beach 

 tends to be wider immediately south of the pier than north of it. Foreshore 

 slopes vary from 0.023 to 0.345, averaging 0.108. 



4. Beach Changes . 



In flay 1974, before the pier was constructed, CERC began surveys 

 depth of the 62 profile lines shown in Figure 11. Surveys were 

 monthly and immediately after storms. Thirty-four profile lines (4 

 45 to 61) were surveyed daily for three separate 30-day studies. 



complete survey of the 62 profile lines was conducted in January 1977. 



to wading 

 conducted 

 to 20 and 

 The last 



57 



