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Surfside Colony Land Survey. Historic Tidal Datum, Boundaries, and Accretion Fred Henstridge, PLS. Topics To Be Covered. Background Issues Research Solution Results. Background. PERR Built in 1903 Land Sale Boom Along The Coast 1929 & 1931 Surveys Small Lots-Beach Cottages

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surfside colony land survey

Surfside Colony Land Survey

Historic Tidal Datum, Boundaries, and Accretion

Fred Henstridge, PLS

topics to be covered
Topics To Be Covered
  • Background
  • Issues
  • Research
  • Solution
  • Results

Shoreline & Marine Boundaries Workshop

background
Background
  • PERR Built in 1903
  • Land Sale Boom Along The Coast
  • 1929 & 1931 Surveys
  • Small Lots-Beach Cottages
  • Evolution of Surfside Colony
  • 1942-Navy Builds Jetty For Seal Beach Weapons Depot

Shoreline & Marine Boundaries Workshop

vicinity map
Vicinity Map

Shoreline & Marine Boundaries Workshop

surfside colony
Surfside Colony

Shoreline & Marine Boundaries Workshop

hilliard record of survey
Hilliard Record of Survey

Shoreline & Marine Boundaries Workshop

issues
Issues
  • Jetty Influences Ocean Currents Along the Immediate Coast
  • Sand Build Up Creates Artificial Accretions
  • Artificial Accretions Belong To The State of California
  • Where Is The Mean High Tide Line?
  • Where Is The Boundary For The Upland Owner?

Shoreline & Marine Boundaries Workshop

issues continued
Issues (Continued)
  • The 60’s Bring Beach Dwellers To The Colony
  • Potential High Value Property Along The Ocean Front
  • Development is Stymied by the Inability to Obtain Title Insurance
  • What Can Be Done?

Shoreline & Marine Boundaries Workshop

aerial photo
Aerial Photo

Shoreline & Marine Boundaries Workshop

surfside colony topo
Surfside Colony-Topo

Shoreline & Marine Boundaries Workshop

research
Research
  • Orange County Records
  • Aerial Photography
  • PERR Valuation Maps
  • U.S. Army Corps of Engineers
  • U.S. Navy

Shoreline & Marine Boundaries Workshop

solution step 1
Solution-Step 1
  • Recover The Original Mean High Tide Line
    • USACOE Surveys
  • X-Sections From PERR Base Line
    • Tidal Datum at 4.8 Feet Above MLLW based on Tidal 8. (2.0 Above MSL, 1942)
  • Set Coordinate Grid Points at Intersection of X-Section and Theoretical MHT Line
  • Connect the Dots

Shoreline & Marine Boundaries Workshop

tidal datum 1942
Tidal Datum-1942

UACOE

X-Section

Centerline of PERR

2.0 Feet

MHTL (1942)

MSL

Artificial Accretions

Distance Normal to PERR

(Profile View)

Shoreline & Marine Boundaries Workshop

usacoe x section
USACOE X-Section

USACOE X-Section (1000 Ft, Typical)

Property of The State

Of California

Block “A” Lots

25 Ft (Typical)

Surfside Ave,

Centerline PERR

Boundary Agreement Line

California State Lands Commission

Pacific Ocean

Surfside Colony Association Property

Anderson Ave.

Shoreline & Marine Boundaries Workshop

orange county assessors map
Orange County Assessors Map

Shoreline & Marine Boundaries Workshop

orange county assessors map1
Orange County Assessors Map

Shoreline & Marine Boundaries Workshop

solution step 2
Solution-Step 2
  • Conduct Complete Resurvey of the Colony Properties
  • Tie The Recovered MHT line to the Survey
  • Prepare Land Descriptions
  • Negotiate a Boundary Agreement with the State Lands Commission
  • Set Permanent Monuments
  • File a Record of Survey with the Orange County Surveyor

Shoreline & Marine Boundaries Workshop

rs 86 35 1967
RS 86-35, 1967

Shoreline & Marine Boundaries Workshop

doq 2004

Surfside Colony

DOQ-2004

Seal Beach Weapons Depot

Huntington Harbor

Shoreline & Marine Boundaries Workshop

mht line 2005
MHT Line 2005

Approximate Boundary Agreement Line

Property of the State of California

Surfside Colony Common Area

Shoreline & Marine Boundaries Workshop

photo 1
Photo 1

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photo 2
Photo 2

Shoreline & Marine Boundaries Workshop

photo 3
Photo 3

PERR Right-of-Way

Shoreline & Marine Boundaries Workshop

results
Results
  • The Colony’s Property is Secure
    • Added 5 Acres of Sandy Beach
  • Title Insurance Can Be Obtained for the “A” Row
  • Million Dollar (Plus) Homes Now Exist
  • Secure Fee Title for All Homeowners

Shoreline & Marine Boundaries Workshop