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Beach Profile Data Sheet

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Attachment 1: Profile Data Sheet (page 1 of 5) used to Plot Figure D. This page shows the dune elevations for the first 105 feet of the profile from the Permanent Monument. For a blank data sheet, click here.


BEACH PROFILE DATA SHEET

TOWN/BEACH: Marshfield/Rexhame Town Beach        PAGE: 1 OF 5
Transect # RB2       Date: 8/30/99          Name: Jim O'Connell


Top elevation of permanent monument (optional): 14.4 feet NGVD
Sand surface from top of permanent monument: 13.4 feet NGVD
Top elevation of profile stake (optional): 29.2 feet NGVD
Sand surface elevation at profile stake: 28.29 feet NGVD
Geographic coordinates: permanent monument:
Geographic coordinates: profile stake: N42o-7'-22.5"/W70o-40'-41.3"
Transect compass bearing: N89E























Distance from Permanent Monument in Feet   Rod Reading in feet and tenths of Feet   Cumulative Elevation - add previous rod reading   Remarks: I surveyed the top of my permanent monument at 14.4 NGVD. The sand surface was 12 inches down from the top of the monumnet. Thus, I began my profile at 13.4 feet NGVD (see Figure D).    

 








XXXX
XXXX
13.4
sand surface elevation at permanent monument  











5
+0.8
14.2














10
+2.1
16.3














15
-0.35
15.95














20
+0.85
16.8














25
-0.25
17.1














30
+0.25
17.35














35
+0.3
17.65














40
+0.85
18.5














45
+1.4
19.9














50
+1.25
21.15














55
+1.35
22.5
100-year flood elevation (obtained from Flood Insurance Study)











60
+1.6
24.1














65
+1.52
25.62














70
+1.12
26.74














75
+1.55
28.29
Profile stake











80
+1.1
29.39














85
+0.45
29.84
Dune crest (top elevation of dune): see Figure D











90
-0.32
29.52














95
-0.25
29.27














100
-0.37
28.9














105
-2.0
26.9













NOTES: The highest point of the dune ('dune crest') is at 29.84 NGVD. The top is above the 100-year flood elevation. Therefore, my dune may prevent storm wave overtopping and thus some degree of flood protection to landward areas (see Figure D).



Last updated: June 24, 2014
 


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