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

 HISTORY
  UNKNOWN SOURCE--PIER RUINS (ENT SRB 11/87)
  H10330/90--OPR-K229-AHP-89; TWO ROWS OF CONCRETE PIER FOOTINGS ì
PARALLEL TO THE EXISTING PIER EXT