_______________________________***QUALITY CONTROL REPORT***_______________________________


Publisher:                                   Chustz Surveying
                                             (a division of GIS Engineering)
Address:                                     211 Richy Street
City/State/Zip:                              New Roads, LA. 70760
Phone:                                       (225) 638-5949
Fax:                                         (225) 638-3924
Website:	                             www.chustzsurveying.com


___________________________________GENERAL INFORMATION____________________________________


Revetment:                                   Holloway Lake
Code:                                        "A038"
River Mileage:                               38.0 L
Client:                                      USACE New Orleans District
Contract Number:                             W912P8-20-R-0016

Multibeam Elevation Range:                   12.06 to -99.58
Multibeam Total Data Points:                 1,208,696

Total Ranges:                                U-041 to D-050


____________________________________SYSTEM INFORMATION____________________________________


System:                                      R2Sonic 2022
Name:                                        "Cindy Marie"
Party Chief:                                 Blake Conner
Operator:                                    Austin Bordelon
Computer:                                    Blake Conner


___________________________________VELOCITY INFORMATION___________________________________


Velocity Cast Date:                          07-10-2025
Time:                                        07:00
Location:                                    Holloway Lake
Draft:                                       2.85
Speed of Sound:                              4,958.9 ft
System:                                      R2Sonic 2022 ("Cindy Marie")


_____________________________________GAGE INFORMATION_____________________________________


  **Multibeam elevations were established from www.rivergages.com by the following
  gages: Atchafalaya River at Melville (03060) and Whiskey Bay Pilot Channel Below Head
  (03240).**


Datum:  NAVD88
Units:  Feet


DATE:   07-10-2025  07-10-2025  07-10-2025  07-10-2025
MILE:   36.5        37.0        37.5        38.0
0600:   17.6 ft     17.5 ft     17.4 ft     17.3 ft
0700:   17.6 ft     17.5 ft     17.4 ft     17.3 ft
0800:   17.5 ft     17.5 ft     17.4 ft     17.3 ft
0900:   17.5 ft     17.4 ft     17.4 ft     17.3 ft
1000:   17.5 ft     17.4 ft     17.3 ft     17.2 ft
1100:   17.4 ft     17.3 ft     17.3 ft     17.2 ft
1200:   17.5 ft     17.4 ft     17.3 ft     17.2 ft
1300:   17.5 ft     17.4 ft     17.3 ft     17.2 ft
1400:   17.5 ft     17.4 ft     17.3 ft     17.2 ft
1500:   17.4 ft     17.4 ft     17.3 ft     17.2 ft
1600:   17.4 ft     17.3 ft     17.2 ft     17.2 ft
1700:   17.4 ft     17.3 ft     17.3 ft     17.2 ft
1800:   17.4 ft     17.3 ft     17.2 ft     17.2 ft


______________________________ADDITIONAL NOTES AND FINDINGS_______________________________


1) The Multibeam data was collected on 07-10-2025.
2) There are no sunken objects located within the survey limits.
                                     

______________________________________DATA SUBMITTED______________________________________


2025_Revts_a038_Holloway_Lake_2x2.xyz   (Multibeam data gridded to 2ft by 2ft grid)
2025_Revts_a038_Holloway_Lake_2x2.tif   (Geoimage of the FM surface made with the final
                                         xyz file)
2025_Revts_a038_Holloway_Lake_QC.txt    (Quality Control Report including structure and
                                         water's edge position ties)
			
			
_________________________________STRUCTURE POSITION TIES__________________________________


3148969.69 758334.37 "TREES"
3149373.24 766422.70 "TREES"
3149394.38 766329.56 "TREES"
3149678.07 765580.16 "TREES"


________________________________WATERS EDGE POSITION TIES_________________________________


3148945.00 757998.00 "WE"
3148955.00 757772.00 "WE"
3148956.47 758237.76 "WE"
3148989.00 758713.18 "WE"
3148984.78 758891.86 "WE"
3149003.80 759036.72 "WE"
3149017.00 758594.00 "WE"
3149045.98 758395.73 "WE"
3149048.98 758483.53 "WE"
3149053.00 759212.00 "WE"
3149083.00 759340.82 "WE"
3149120.47 759433.76 "WE"
3149176.11 759493.04 "WE"
3149195.00 759602.00 "WE"
3149218.47 759719.76 "WE"
3149259.00 759896.00 "WE"
3149325.00 760142.82 "WE"
3149346.47 766550.24 "WE"
3149413.00 760412.82 "WE"
3149471.00 766219.18 "WE"
3149507.00 760714.00 "WE"
3149554.47 765996.24 "WE"
3149577.00 760972.00 "WE"
3149643.00 761232.82 "WE"
3149653.49 765726.05 "WE"
3149744.47 765460.24 "WE"
3149735.00 761484.82 "WE"
3149797.00 761752.82 "WE"
3149825.00 761982.82 "WE"
3149821.00 765200.00 "WE"
3149869.00 762234.00 "WE"
3149865.00 764973.18 "WE"
3149913.00 764682.00 "WE"
3149923.00 762902.00 "WE"
3149925.00 762482.82 "WE"
3149927.00 762694.82 "WE"
3149929.00 763617.18 "WE"
3149945.00 763366.00 "WE"
3149941.00 763120.82 "WE"
3149949.00 764436.00 "WE"
3149959.00 763880.00 "WE"
3149974.68 764189.62 "WE"


______________________________END OF QUALITY CONTROL REPORT_______________________________
