Table 1 . Tiers of Joint Protocol for determining location of the mean high water line (WIHWL) and the dune-beach 



cross section at time of purchase. 



Tier 



MHWL 



Cross Section 



Tier 1 (surveys within 2 months) 



1A 



State-approved MHW boundary survey of property within 

 ±2 months of purchase date. 



Topographic survey of property within ±2 

 months of purchase date. 



1B 



Controlled beach-profile survey through subject property 

 within ±2 months of purchase date of subject property. 



Controlled beach-profile survey through 

 subject property within ±2 months of 

 purchase date of subject property. 



1C 



State-approved MHW boundary survey of a neighboring 

 property within ±2 months of purchase date of subject 

 property. 



Topographic survey of a neighboring 

 property within ±2 months of purchase date 

 of subject property. 



1D 



Controlled beach-profile survey through neighboring 

 property within ±2 months of purchase date of subject 

 property. 



Controlled beach-profile survey through 

 neighboring property within ±2 months of 

 purchase date of property. 



Tier 2 (surveys within 6 months) 



2A, 

 2B, 

 2C, 

 2D 



Same as Tier 1, within ±6 months. 



Same as Tier 1, within ±6 months. 



Tier 3 (surveys within 1 year) 



3A, 

 3B, 

 3C, 

 3D 



Same as Tier 1 , within ±1 2 months 



Same as Tier 1 , within ±12 months 



Tier 4 (Interpolation beyond 1 year) 



4 



If data for a subject property are not available to meet the quality and time criteria of Tier 1 through 

 Tier 3, then either or both of the following shall be used by temporal and spatial interpolation to establish 

 conditions at purchase as follows: 



(a) two sets of profile or shoreline surveys (or a combination) on the subject or neighboring 

 properties [Known sources of data include profile and historical shoreline data 

 maintained by the FDEP.], 



(b) aerial photographs [Known sources and dates of aerial photographs are U.S. 

 Department of Agriculture, 1951; FDEP, 12/72, 05/74, 05/80, 06/80, 07/80, 10/85, 11/85; 

 Olsen Associates, Inc., 1 1/93, and U.S. Army Engineer District, Jacksonville, 12/93.] 



The basis of the data set selection shall be included in the documentation. 



Appendix B Joint Protocol 



B-3 



