
 SURVEY REQUIREMENT COMMENTS
  FOR EXTENT OF PIER SEARCH A SWATH OF 20 METERS ON BOTH SIDES

 HISTORY
  UNKNOWN SOURCE--PIER (ENT SRB 11/87)
  H10361/90-91-- OPR-K229-AHP; VISUAL SEARCH, BOTTOM VISIBLE. ì
EVALUATOR RECOMMENDS REVISING PIER AS SHOW