Agenda packet — Solana Beach City Council, October 14, 2026 (part 2 of 2)

------------------------------------------------------------------------------- | |ESTIMATED MAX. EARTHQUAKE EVENT
| APPROXIMATE |-------------------------------
ABBREVIATED | DISTANCE | MAXIMUM | PEAK |EST. SITE
FAULT NAME | mi (km) |EARTHQUAKE| SITE |INTENSITY
| | MAG.(Mw) | ACCEL. g |MOD.MERC.
================================|==============|==========|==========|========= ROSE CANYON | 2.9( 4.7)| 7.2 | 0.751 | XI
NEWPORT-INGLEWOOD (Offshore) | 14.0( 22.6)| 7.1 | 0.290 | IX CORONADO BANK | 16.5( 26.5)| 7.6 | 0.342 | IX
ELSINORE (JULIAN) | 30.1( 48.4)| 7.1 | 0.137 | VIII
ELSINORE (TEMECULA) | 30.3( 48.8)| 6.8 | 0.111 | VII
EARTHQUAKE VALLEY | 42.3( 68.1)| 6.5 | 0.064 | VI
PALOS VERDES | 43.1( 69.4)| 7.3 | 0.108 | VII
ELSINORE (GLEN IVY) | 44.7( 71.9)| 6.8 | 0.074 | VII
SAN JOAQUIN HILLS | 45.7( 73.6)| 6.6 | 0.089 | VII
SAN JACINTO-ANZA | 52.8( 85.0)| 7.2 | 0.082 | VII
ELSINORE (COYOTE MOUNTAIN) | 53.1( 85.5)| 6.8 | 0.061 | VI SAN JACINTO-COYOTE CREEK | 54.7( 88.0)| 6.6 | 0.052 | VI SAN JACINTO-SAN JACINTO VALLEY | 55.3( 89.0)| 6.9 | 0.063 | VI NEWPORT-INGLEWOOD (L.A.Basin) | 56.2( 90.5)| 7.1 | 0.071 | VI CHINO-CENTRAL AVE. (Elsinore) | 59.0( 95.0)| 6.7 | 0.072 | VII ******************************************************************************* W.O. 7826-A1-SC
Plate C-2
Item K.2
-END OF SEARCH- 15 FAULTS FOUND WITHIN THE SPECIFIED SEARCH RADIUS.

THE ROSE CANYON FAULT IS CLOSEST TO THE SITE.

IT IS ABOUT 2.9 MILES (4.7 km) AWAY.

LARGEST MAXIMUM-EARTHQUAKE SITE ACCELERATION: 0.7512 g
W.O. 7826-A1-SC
Plate C-3
Item K.2
SITE
-100
0 100
200
300
400
500
600
700
800
900
1000
1100
-400 -300 -200 -100 0 100 200 300 400 500 600

CALIFORNIA FAULT MAP
FIELD
W.O. 7826-A1-SC
Plate C-4
Item K.2
.001
.01
.1
1 .1 1 10 100

MAXIMUM EARTHQUAKES
FIELD
Acceleration (g)
Distance (mi)
W.O. 7826-A1-SC
Plate C-5
Item K.2
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* *
* E Q S E A R C H *
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* Version 3.00 *
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ESTIMATION OF

PEAK ACCELERATION FROM

CALIFORNIA EARTHQUAKE CATALOGS
JOB NUMBER: 7826-A1-SC
DATE: 04-12-2025
JOB NAME: FIELD
EARTHQUAKE-CATALOG-FILE NAME: C:\Users\GSI-09\Documents\EQFAULT & EQSEARCH\ALLQUAKE-2021.DAT
MAGNITUDE RANGE:

MINIMUM MAGNITUDE: 5.00
MAXIMUM MAGNITUDE: 9.00
SITE COORDINATES:

SITE LATITUDE: 32.9997
SITE LONGITUDE: 117.2775
SEARCH DATES:

START DATE: 1800
END DATE: 2025
SEARCH RADIUS:

62.2 mi
100.1 km
ATTENUATION RELATION: 11) Bozorgnia Campbell Niazi (1999) Hor.-Pleist. Soil-Cor.

UNCERTAINTY (M=Median, S=Sigma): S Number of Sigmas: 1.0 ASSUMED SOURCE TYPE: SS [SS=Strike-slip, DS=Reverse-slip, BT=Blind-thrust] SCOND: 0 Depth Source: A
Basement Depth: 5.00 km Campbell SSR: 0 Campbell SHR: 0

COMPUTE PEAK HORIZONTAL ACCELERATION
MINIMUM DEPTH VALUE (km): 3.0
W.O. 7826-A1-SC
Plate C-6
Item K.2
-------------------------

EARTHQUAKE SEARCH RESULTS
-------------------------

Page 1 ends

FILE| LAT. | LONG. | DATE | (UTC) |DEPTH|QUAKE| ACC. | MM | DISTANCE CODE| NORTH | WEST | | H M Sec| (km)| MAG.| g |INT.| mi [km] ----+-------+--------+----------+--------+-----+-----+-------+----+------------ DMG |33.0000|117.3000|11/22/1800|2130 0.0| 0.0| 6.50| 0.714 | XI | 1.3( 2.1) MGI |33.0000|117.0000|09/21/1856| 730 0.0| 0.0| 5.00| 0.068 | VI | 16.1( 25.9) MGI |32.8000|117.1000|05/25/1803| 0 0 0.0| 0.0| 5.00| 0.064 | VI | 17.2( 27.7) DMG |32.7000|117.2000|05/27/1862|20 0 0.0| 0.0| 5.90| 0.089 | VII| 21.2( 34.1) T-A |32.6700|117.1700|12/00/1856| 0 0 0.0| 0.0| 5.00| 0.046 | VI | 23.6( 38.0) T-A |32.6700|117.1700|10/21/1862| 0 0 0.0| 0.0| 5.00| 0.046 | VI | 23.6( 38.0) T-A |32.6700|117.1700|05/24/1865| 0 0 0.0| 0.0| 5.00| 0.046 | VI | 23.6( 38.0) DMG |32.8000|116.8000|10/23/1894|23 3 0.0| 0.0| 5.70| 0.053 | VI | 30.9( 49.8) PAS |32.9710|117.8700|07/13/1986|1347 8.2| 6.0| 5.30| 0.037 | V | 34.4( 55.3) DMG |33.2000|116.7000|01/01/1920| 235 0.0| 0.0| 5.00| 0.030 | V | 36.1( 58.2) MGI |33.2000|116.6000|10/12/1920|1748 0.0| 0.0| 5.30| 0.031 | V | 41.6( 66.9) DMG |33.7000|117.4000|05/13/1910| 620 0.0| 0.0| 5.00| 0.022 | IV | 48.9( 78.6) DMG |33.7000|117.4000|04/11/1910| 757 0.0| 0.0| 5.00| 0.022 | IV | 48.9( 78.6) DMG |33.7000|117.4000|05/15/1910|1547 0.0| 0.0| 6.00| 0.040 | V | 48.9( 78.6) DMG |33.0000|116.4330|06/04/1940|1035 8.3| 0.0| 5.10| 0.023 | IV | 48.9( 78.7) DMG |33.6990|117.5110|05/31/1938| 83455.4| 10.0| 5.50| 0.028 | V | 50.1( 80.7) DMG |33.7100|116.9250|09/23/1963|144152.6| 16.5| 5.00| 0.020 | IV | 53.1( 85.4) W.O. 7826-A1-SC
Plate C-7
Item K.2
T-A |32.2500|117.5000|01/13/1877|20 0 0.0| 0.0| 5.00| 0.020 | IV | 53.4( 85.9) GSG |33.4200|116.4890|07/07/2010|235333.5| 14.0| 5.50| 0.026 | V | 54.0( 86.9) DMG |33.7500|117.0000|04/21/1918|223225.0| 0.0| 6.80| 0.060 | VI | 54.2( 87.2) DMG |33.7500|117.0000|06/06/1918|2232 0.0| 0.0| 5.00| 0.020 | IV | 54.2( 87.2) GSP |33.5290|116.5720|06/12/2005|154146.5| 14.0| 5.20| 0.022 | IV | 54.7( 88.1) PAS |33.5010|116.5130|02/25/1980|104738.5| 13.6| 5.50| 0.025 | V | 56.1( 90.3) GSP |33.5080|116.5140|10/31/2001|075616.6| 15.0| 5.10| 0.020 | IV | 56.3( 90.7) DMG |33.5000|116.5000|09/30/1916| 211 0.0| 0.0| 5.00| 0.019 | IV | 56.6( 91.2) GSP |33.4315|116.4427|06/10/2016|080438.7| 12.3| 5.19| 0.021 | IV | 56.7( 91.2) DMG |33.5750|117.9830|03/11/1933| 518 4.0| 0.0| 5.20| 0.021 | IV | 56.9( 91.5) DMG |33.8000|117.0000|12/25/1899|1225 0.0| 0.0| 6.40| 0.043 | VI | 57.5( 92.6) MGI |33.8000|117.6000|04/22/1918|2115 0.0| 0.0| 5.00| 0.018 | IV | 58.3( 93.8) DMG |33.6170|117.9670|03/11/1933| 154 7.8| 0.0| 6.30| 0.040 | V | 58.3( 93.8) DMG |33.3430|116.3460|04/28/1969|232042.9| 20.0| 5.80| 0.029 | V | 58.8( 94.7) GSP |32.3290|117.9170|06/15/2004|222848.2| 10.0| 5.30| 0.021 | IV | 59.4( 95.6) DMG |33.6170|118.0170|03/14/1933|19 150.0| 0.0| 5.10| 0.018 | IV | 60.3( 97.0) DMG |32.7000|116.3000|02/24/1892| 720 0.0| 0.0| 6.70| 0.050 | VI | 60.4( 97.1) ******************************************************************************* -END OF SEARCH- 34 EARTHQUAKES FOUND WITHIN THE SPECIFIED SEARCH AREA.

TIME PERIOD OF SEARCH: 1800 TO 2025
LENGTH OF SEARCH TIME: 226 years
THE EARTHQUAKE CLOSEST TO THE SITE IS ABOUT 1.3 MILES (2.1 km) AWAY.

LARGEST EARTHQUAKE MAGNITUDE FOUND IN THE SEARCH RADIUS: 6.8 LARGEST EARTHQUAKE SITE ACCELERATION FROM THIS SEARCH: 0.714 g COEFFICIENTS FOR GUTENBERG & RICHTER RECURRENCE RELATION:
a-value= 0.895
b-value= 0.392
beta-value= 0.902
------------------------------------
TABLE OF MAGNITUDES AND EXCEEDANCES:
------------------------------------
Earthquake | Number of Times | Cumulative
Magnitude | Exceeded | No. / Year
-----------+-----------------+------------

4.0 | 34 | 0.15044

4.5 | 34 | 0.15044

5.0 | 34 | 0.15044

5.5 | 12 | 0.05310

6.0 | 6 | 0.02655

6.5 | 3 | 0.01327
W.O. 7826-A1-SC
Plate C-8
Item K.2
SITE
LEGEND
M = 4
M = 5
M = 6
M = 7
M = 8
-100
0 100
200
300
400
500
600
700
800
900
1000
1100
-400 -300 -200 -100 0 100 200 300 400 500 600

EARTHQUAKE EPICENTER MAP
FIELD
W.O. 7826-A1-SC
Plate C-9
Item K.2
.001
.01
.1
1 10
100

3.5 4.0 4.5 5.0 5.5 6.0 6.5 7.0 7.5 8.0 8.5 9.0

EARTHQUAKE RECURRENCE CURVE
FIELD
Cummulative Number of Events (N)/ Year
Magnitude (M)
W.O. 7826-A1-SC
Plate C-10
Item K.2

APPENDIX D

LABORATORY DATA
Item K.2
Tested By: TR Checked By: TR
Client: Field
Project: 617 W. Circle Drive, Solana Beach
Source of Sample: B-1 Depth: 5.0
Sample Number: B-1
Proj. No.: 7826-A1-SC Date Sampled:

Sample Type: In-Situ
Description: Strong Brown Silty Sand
Specific Gravity= 2.65
Remarks:

Figure
Sample No.

Water Content, %
Dry Density, pcf
Saturation, %
Void Ratio
Diameter, in.

Height, in.

Water Content, %
Dry Density, pcf
Saturation, %
Void Ratio
Diameter, in.

Height, in.

Normal Stress, psf
Primary Stress, psf
Strain, %
Residual Stress, psf
Strain, %
Strain rate, in./min. Initial At Test
Shear Stress, psf
0 500
1000
1500
2000
2500
3000
Strain, %
0 5 10 15 20
1 2
3 Residual Stress, psf
Primary Stress, psf
0 1000
2000
3000
Normal Stress, psf
0 1000 2000 3000 4000 5000 6000
C, psf
, deg
Tan()
Primary Residual
88 42

0.90 12
36 0.73
1 5.2
116.2

32.6 0.4233

2.38 1.00

12.3 116.9

78.6 0.4147

2.38 0.99
500
484

4.1 369

9.2 0.007
2 5.2
115.2

31.6 0.4364

2.38 1.00

12.9 117.6

84.3 0.4062

2.38 0.98
1000
915

3.1 686

9.4 0.007
3 5.2
115.4

31.8 0.4334

2.38 1.00

13.3 120.5

94.6 0.3732

2.38 0.96
2000
1935

3.3 1441

9.6 0.007
Item K.2
Tested By: TR Checked By: TR
Client: Field
Project: 617 W. Circle Drive, Solana Beach
Source of Sample: B-1 Depth: 45.0
Sample Number: B-1
Proj. No.: 7826-A1-SC Date Sampled:

Sample Type: In-Situ
Description: Pale Yellow Sand
Specific Gravity= 2.65
Remarks:

Figure
Sample No.

Water Content, %
Dry Density, pcf
Saturation, %
Void Ratio
Diameter, in.

Height, in.

Water Content, %
Dry Density, pcf
Saturation, %
Void Ratio
Diameter, in.

Height, in.

Normal Stress, psf
Primary Stress, psf
Strain, %
Residual Stress, psf
Strain, %
Strain rate, in./min. Initial At Test
Shear Stress, psf
0 1000
2000
3000
4000
5000
6000
Strain, %
0 5 10 15 20
1 2
3 Residual Stress, psf
Primary Stress, psf
0 2000
4000
6000
Normal Stress, psf
0 2000 4000 6000 8000 10000 12000
C, psf
, deg
Tan()
Primary Residual
79 40

0.83 49
33 0.66
1 4.3

93.9 15.0

0.7617

2.38 1.00

24.4 95.1

87.4 0.7388

2.38 0.99
1500
1340

4.4 1016

8.3 0.007
2 4.3

90.8 13.9

0.8225

2.38 1.00

27.1 92.3

90.6 0.7915

2.38 0.98
3000
2558

4.8 2068

10.9 0.007
3 4.3

93.7 14.9

0.7648

2.38 1.00

25.1 96.5

93.1 0.7136

2.38 0.97
6000
5079

5.2 4001

10.2 0.007
Item K.2
Tested By: TR Checked By: TR
Client: Field
Project: 617 W. Circle Drive, Solana Beach
Source of Sample: B-1 Depth: 60.0
Sample Number: B-1
Proj. No.: 7826-A1-SC Date Sampled:

Sample Type: In-Situ
Description: Light Olive Brown Sandy Clay
Specific Gravity= 2.75
Remarks:

Figure
Sample No.

Water Content, %
Dry Density, pcf
Saturation, %
Void Ratio
Diameter, in.

Height, in.

Water Content, %
Dry Density, pcf
Saturation, %
Void Ratio
Diameter, in.

Height, in.

89.2 0.6564

2.38 1.00

23.2 104.1

98.3 0.6498

2.38 1.00
2000
2042

1.1 1351

10.0 0.001
2 21.3

99.7 81.1

0.7224

2.38 1.00

25.1 101.3

99.3 0.6948

2.38 0.98
4000
3451

2.0 2063

13.9 0.001
3 21.3
102.7

87.1 0.6724

2.38 1.00

21.5 107.4

98.8 0.5988

2.38 0.96
8000
5674

2.6 3882

14.4 0.001
Item K.2
Tested By: TR Checked By: TR
Client: Field
Project: 617 W. Circle Drive, Solana Beach
Source of Sample: B-1/HA-2 Depth: ò
ò

Sample Number: B-1/HA-2
Proj. No.: 7826-A1-SC Date Sampled:

Sample Type: Remolded
Description: Dark Brown Silty Sand
Specific Gravity= 2.65
Remarks:

Figure
Sample No.

Water Content, %
Dry Density, pcf
Saturation, %
Void Ratio
Diameter, in.

Height, in.

Water Content, %
Dry Density, pcf
Saturation, %
Void Ratio
Diameter, in.

Height, in.

0.67 1

8.7 115.5

53.3 0.4323

2.38 1.00

14.1 116.2

88.1 0.4237

2.38 0.99
500
463

2.6 388

7.0 0.007
2 8.7
115.3

53.1 0.4343

2.38 1.00

14.8 116.9

94.4 0.4157

2.38 0.99
1000
883

2.0 760

7.2 0.007
3 8.7
115.3

53.1 0.4343

2.38 1.00

14.2 117.0

91.0 0.4142

2.38 0.99
2000
1574

2.6 1404

7.4 0.007
Item K.2

8.0 110
Sample testing in accordance with: pH - CTM 643, Resistivity - CTM 643 Sulfate - CTM 417, Chloride - CTM 422
1817 Aston Ave., Suite 104, Carlsbad CA 92008
Phone (760) 438-3155

CORROSION REPORT SUMMARY
Project No: 7826-A1-SC
Project Name: Field
Report Date: March 31, 2025
SAMPLE ID pH
(H+)
Minimum
Resistivity
(ohm/cm)
Sulfate Content
(wt%)
Chloride Content
(mg/kg)
B-1/HA-2, ЪͲϱΖͬϬͲϰЪΖ 2600 0.009
Remarks:

Item K.2

APPENDIX E

SLOPE STABILITY ANALYSIS
Item K.2

APPENDIX E

SLOPE STABILITY ANALYSES

INTRODUCTION OF GEOSTASE v.4.30.32 COMPUTER PROGRAM
Introduction
GEOSTASE v.4.30.32 is a fully integrated two-dimensional limit equilibrium slope stability analysis program developed by Dr. Garry H. Gregory, Ph.D., P.E., D.GE, Principal Consultant with Gregory Geotechnical. The name GEOSTASE is an acronym for General Equilibrium Options for STability Analysis of Slopes and Embankments. It permits the user to develop the slope geometry interactively and perform slope analysis from within a single program.

GEOSTASE v.4.30.32 is capable of performing popular limit equilibrium analysis methods, VXFK DV WKH 6LPSOLÞHG %LVKRS 0HWKRG 6LPSOLÞHG -DQEX 0HWKRG 6SHQFHU 0HWKRG Morgenstern-3ULFH0HWKRG6LPSOLÞHG-DQEX&RUUHFWHG0HWKRG8QLWHG6WDWHV$UP\&RUSV of (QJLQHHUV
86$&(
0RGLÞHG 6ZHGLVK 0HWKRG DQG WKH /RZH DQG .DUDÞDWK 0HWKRG Standard search options include circular, random, wedge, block, and composite surface options. The software also includes a non-FLUFXODU UHÞQHG VHDUFK RSWLRQ UHIHUUHG WR DV ZRSAUTO. “ZRS” is an acronym for Zone, Reduction, and Shifting. The program can be XVHGWRVHDUFKIRUWKHPRVW FULWLFDOVXUIDFH DQGWKH)26PD\EHGHWHUPLQHGIRUVSHFLÞF surfaces. GEOSTASE v.4.30.32 is programmed to handle:
x Heterogenous soil systems
x Mohr-Columb and anisotropic soil strength properties
x Reinforcing and restraining elements (i.e., piers, tiebacks [anchors], soil nails, and applied forces)
x Nonlinear Mohr-Coulomb strength envelope
x Pore water pressures for effective stress analysis using:
o Phreatic and piezometric surfaces
o Pore-pressure ratios
o Artesian pressure
o Constant pore water pressure
x Pseudo-static (seismic) earthquake loading
x Distributed and line loads
x Automatic generation and analysis of an unlimited number of circular, noncircular and block-shaped failure modes
x Analysis of right- and left-facing slopes
x Both SI and Imperial units
General Information
If the reviewer wishes to obtain more information concerning slope stability analysis, the following literature may be consulted initially:

Item K.2

Paul and Valerie Field Appendix E
File:z:\cb\7800\7826a1.pga Page 2
The Stability of Slopes, by E.N. Bromhead, Surrey University Press, Chapman and Hall, N.Y., 411 pages, ISBN 412 01061 5, 1992.

Soil Strength and Slope Stability, by J.M. Duncan, S.G. Wright, and T.L. Brandon, John Wiley and Sons, Inc., Second Edition, 317 pages, ISBN 978-1-118-65165-0, 2014.

Rock Slope Engineering, by E. Hoek and J.W. Bray, Inst. of Mining and Metallurgy, London, England, Third Edition, 358 pages, ISNB 0 900488 573, 1981.

Landslides: Analysis and Control, by R.L. Schuster and R.J. Krizek (editors), Special Report 176, Transportation Research Board, National Academy of Sciences, 234 pages, ISBN 0 309 02804 3, 1978.

Landslides: Investigation and Mitigation, by A.K. Turner and R.J. Krizek (editors), Special Report 247, Transportation Research Board, National Research Board, 675 pages, ISBN 0 309 06208-X, 1996.

GEOSTASE v.4.30.32 Features
GEOSTASE v.4.30.32 contains the following features:
x Allows user to calculate FOS for static and seismic stability cases. x Allows user to analyze stability situations with different failure modes. x Allows user to edit input for slope geometry and calculate corresponding FOS. x Allows user to readily review on-screen the input slope geometry. x $OORZV XVHU WR DXWRPDWLFDOO\ JHQHUDWH DQG DQDO\]H GHÞQHG QXPEHUV RI FLUFXODU non-circular and block-shaped failure surfaces (i.e., bedding plane, slide plane, etc.).

Input Data
Input data includes the following items:

1. Unit weight, cohesion, and friction angle of geologic units and bedding/discontinuity planes.

2. Slope geometry and distributed (building) loads.

3. The apparent dip of bedding and discontinuities can be modeled in an anisotropic angular range (i.e., from 0 to 90 degrees in into-slope and out-of-slope directions).

GSI applied anisotropic soil strength properties to subunits 1 and 2 of the old paralic deposits, the Torrey Sandstone, and the Delmar Formation to model parallel bed and Item K.2

Paul and Valerie Field Appendix E
File:z:\cb\7800\7826a1.pga Page 3
cross-bed strengths. Isotropic strength properties were assigned to all other earth materials in the analyses. The isotropic soil strength properties used in the slope stability analyses are summarized in Table E-1. The anisotropic soil strength properties used, and the angular ranges and directions in which these properties were applied in the slope stability analyses are summarized in Table E-2.

TABLE E-1 - ISOTROPIC SOIL STRENGTH PROPERTIES

GEOLOGIC UNIT
MOIST
UNIT
WEIGHT
(%)

SATURATED
UNIT
WEIGHT
(%)

COHESION
(PSF)

FRICTION
ANGLE
(DEGREES)
Quaternary Beach Deposits
(Qb) 115 120 0 33
$UWLÞFLDO)LOO– Compacted
(Afc) 138 N/A 115 36
$UWLÞFLDO)LOO– Undocumented
(Afu) 120 N/A 100 32
Quaternary Colluvium
(Qcol) 120 N/A 75 30
Weathered Quaternary Old Paralic Deposits – Subunit 2
(Qop2[w]) 120 N/A 50 33
Quaternary Old Paralic Deposits – Subunit 2
(Qop2) 125 N/A 88 42
Quaternary Old Paralic Deposits – Subunit 1
(Qop1) 100 N/A 79 40
Tertiary Torrey Sandstone
(Tt) 125 N/A 500 35
Tertiary Delmar Formation
(Td) 130 135 750 30
N/A – Not applied.

TABLE E-2 - ANISOTROPIC SOIL STRENGTH PROPERTIES

GEOLOGIC UNIT ANGULAR RANGE (DEGREES) AND

ORIENTATION

COHESION
(PSF)

FRICTION
ANGLE
(DEGREES)
Quaternary Old Paralic Deposits –
Subunit 2
(Qop2)
5 to -5
Into- and Out-of-Slope 50 39
Quaternary Old Paralic Deposits –
Subunit 1
(Qop1)
5 to -5
Into- and Out-of-Slope 40 37
Tertiary Torrey Sandstone
(Tt)
0 to -5
Into-Slope 300 33
Tertiary Delmar Formation
(Td)
0 to -8
Into-Slope 500 28

4. For the pseudo-static (seismic) analyses, earthquake loading was modeled using a VHLVPLFFRHIÞFLHQWRIi and a peak horizontal ground acceleration adjusted for site effects (PGAM) of 0.673 g.

Item K.2

Paul and Valerie Field Appendix E
File:z:\cb\7800\7826a1.pga Page 4
Seismic Discussion
Seismic stability analyses were approximated using a pseudo-static approach. The major GLIÞFXOW\LQWKHSVHXGR-static approach arises from the appropriate selection of the seismic FRHIÞFLHQWXVHGLQWKHDQDO\VLV7KHXVHRIDVWDWLFLQHUWLDIRUFHHTXDO to this acceleration during an earthquake (rigid-body response) would be extremely conservative for several UHDVRQVLQFOXGLQJ

RQO\ORZKHLJKWVWLIIGHQVHHPEDQNPHQWVRUHPEDQNPHQWVLQFRQÞQHG areas may respond essentially as rigid structures; (2) an earthquake's inertia force is enacted on a mass for a short time period. Therefore, replacing a transient force by a pseudo-static force representing the maximum acceleration may be considered overly conservative; (3) assuming that total pseudo-static loading is applied evenly throughout the embankment for an extended period of time is an incorrect assumption, as the length of the failure surface analyzed is usually much greater than the wave length of seismic waves generated by earthquakes; and (4) the seismic waves would place portions of the mass in compression and some in tension, resulting in only a limited portion of the failure surface analyzed moving in a downslope direction, at any one instant of earthquake loading. 7KHFRHIÞFLHQWVXVXDOO\VXJJHVWHGE\UHJXODWLQJDJHQFLHVFRXQWLHVDQGPXQLFLSDOLWLHVDUHLQ the range of 0.05g to 0.25g. For example, past regulatory guidelines within the City and County of Los Angeles indicated that the slope stability pseudo-static cRHIÞFLHQWVKDOOEH to 0.15i.

The method developed by Krinitzsky, Gould, and Edinger (1993), which was in turn based on Taniguchi and Sasaki (1986), was referenced in the evaluation of the appropriate seismic FRHIÞFLHQW7KLVPHWKRGLVEDVHGRQHPSLULFDOGDWDDQGWKHSHUIRUPDQFHRIH[LVWLQJHDUWK embankments during seismic loading. Our review of “Guidelines for Evaluating and Mitigating Seismic Hazards in California” California Department of Conservation, California Geological Survey ([CGS], 2008) indicates the State of California recommends using a pseudo-VWDWLFFRHIÞFLHQWRIi for design earthquakes of M 8.25 or greater and using 0.1i for an earthquake magnitude of M 6.5. Therefore, for reasonable conservatism, a seismic FRHIÞFLHQWRIi was used in our analysis for a M7.2 event on the nearby Rose Canyon fault.

Output Information
Output information includes:

1. All input data.

2. FOS for the 10 most critical surfaces.

3. High quality plots can be generated. The plots include the slope geometry, the critical surfaces and the FOS.

4. 7KHDQDO\VHVZHUHFRQÞJXUHGWRVHDUFKIRUWULDOVXUIDFHV Item K.2

Paul and Valerie Field Appendix E
File:z:\cb\7800\7826a1.pga Page 5
Results of Slope Stability Calculations
Table E-3 provides a summary of the results of our stability analyses. Computer printouts from the GEOSTASE program are included as Plates E-1 and E-2.

TABLE E-3 – SUMMARY OF SLOPE STABILITY ANALYSES

GEOLOGIC CROSS

SECTION

FACTOR-OF-SAFETY (FOS) ANALYSIS

METHOD COMMENTS STATIC SEISMIC
X-X’ 1.522
(See Plate E-1)

1.214
(See Plate E-2) Spencer
Code-compliant FOS against
gross bluff failure at 14 feet
and 22 feet landward of the
coastal bluff edge for the
static and seismic cases,
respectively.

Item K.2
FIELD / 7826-A1-SC

SECTION X-X' - STATIC
GEOSOILS, INC. \A-A' Static.gsd
Spencer Method
PLATE E-1
0 40 80 120 160 200 240 280 320
-20
6020
180140100
1801401006020
-20
GEOSTASE FS = 1.522
GEOSTASE® v4.30.32 by GREGORY GEOTECHNICAL SOFTWARE
B 1 B 2
B 3
B 4
B 5
B
B
6 B
7 B
8 9 B 10 B 11 B 12 B 13 B 14 B 15 B 16 B 17 B 18 B 19 B 20 B 21 B 22 B 23 B 24 B 25 B 26 B 27 B 28 B 29 B 30 B 31 B 32 B 33 B 34 B 35 B 36 B 37 B 38 B 39 B 40 B 41 B 42
B 43 B 44
B 45
B 46
1 1
TC 1
DL 1 DL 2
0 40 80 120 160 200 240 280 320
-20
6020
180140100
1801401006020
-20
No. FS
1 1.522 2 1.528 3 1.529 4 1.536 5 1.540 6 1.542 7 1.542 8 1.543 9 1.545 10 1.547
Soil Moist Wt Sat Wt c Phi ru -Uw Fact Piez Surf Soil
No. (pcf) (pcf) (psf) (deg) (ratio) (unsat) No. Options 1 Qb 115.0 120.0 0.0 33.0 0.0 0.0 1 2 Afc 138.0 0.0 115.0 36.0 0.0 0.0 0 3 Afu 120.0 0.0 100.0 32.0 0.0 0.0 0 4 Qcol 120.0 0.0 75.0 30.0 0.0 0.0 0 5 Qop2(w) 120.0 0.0 50.0 33.0 0.0 0.0 0 6 Qop2 125.0 0.0 88.0 42.0 0.0 0.0 0 A7 Qop1 100.0 0.0 79.0 40.0 0.0 0.0 0 A8 Tt 125.0 0.0 500.0 35.0 0.0 0.0 0 A9 Td 130.0 135.0 750.0 30.0 0.0 0.0 1 A Item K.2
FIELD / 7826-A1-SC

SECTION X-X' - SEISMIC
GEOSOILS, INC. \A-A' Seismic.gsd
Spencer Method
PLATE E-2
0 40 80 120 160 200 240 280 320
-20
6020
180140100
1801401006020
-20
GEOSTASE FS = 1.214
GEOSTASE® v4.30.32 by GREGORY GEOTECHNICAL SOFTWARE
kh = 0.15000
B 1 B 2
B 3
B 4
B 5
B
B
6 B
7 B
8 9 B 10 B 11 B 12 B 13 B 14 B 15 B 16 B 17 B 18 B 19 B 20 B 21 B 22 B 23 B 24 B 25 B 26 B 27 B 28 B 29 B 30 B 31 B 32 B 33 B 34 B 35 B 36 B 37 B 38 B 39 B 40 B 41 B 42
B 43 B 44
B 45
B 46
1 1
TC 1
DL 1 DL 2
0 40 80 120 160 200 240 280 320
-20
6020
180140100
1801401006020
-20
No. FS
1 1.214 2 1.216 3 1.216 4 1.222 5 1.222 6 1.223 7 1.224 8 1.225 9 1.227 10 1.227
Soil Moist Wt Sat Wt c Phi ru -Uw Fact Piez Surf Soil
No. (pcf) (pcf) (psf) (deg) (ratio) (unsat) No. Options 1 Qb 115.0 120.0 0.0 33.0 0.0 0.0 1 2 Afc 138.0 0.0 115.0 36.0 0.0 0.0 0 3 Afu 120.0 0.0 100.0 32.0 0.0 0.0 0 4 Qcol 120.0 0.0 75.0 30.0 0.0 0.0 0 5 Qop2(w) 120.0 0.0 50.0 33.0 0.0 0.0 0 6 Qop2 125.0 0.0 88.0 42.0 0.0 0.0 0 A7 Qop1 100.0 0.0 79.0 40.0 0.0 0.0 0 A8 Tt 125.0 0.0 500.0 35.0 0.0 0.0 0 A9 Td 130.0 135.0 750.0 30.0 0.0 0.0 1 A Item K.2

APPENDIX F

GENERAL EARTHWORK AND GRADING GUIDELINES
Item K.2

GENERAL EARTHWORK AND GRADING GUIDELINES

General
These guidelines present general procedures and requirements for earthwork and grading DV VKRZQ RQ WKH DSSURYHG JUDGLQJ SODQV LQFOXGLQJ SUHSDUDWLRQ RI DUHDV WR EH ÞOOHG SODFHPHQW RI ÞOO LQVWDOODWLRQ RI VXEGUDLQV H[FDYDWLRQV DQG DSSXUWHQDQW VWUXFWXUHV RU flatwork. The recommendations contained in the geotechnical report are part of these earthwork and grading guidelines and would supercede the provisions contained hereafter in the case of conflict. Evaluations performed by the consultant during the course of grading may result in new or revised recommendations which could supercede these guidelines or the recommendations contained in the geotechnical report. Generalized details follow this text.

The contractor is responsible for the satisfactory completion of all earthwork in accordance ZLWKSURYLVLRQVRIWKHSURMHFWSODQVDQGVSHFLÞFDWLRQVDQGODWHVWDGRSWHG&RGH In the case of conflict, the most onerous provisions shall prevail. The project geotechnical engineer and engineering geologist (geotechnical consultant), and/or their representatives, should provide observation and testing services, and geotechnical consultation during the duration of the project.

EARTHWORK OBSERVATIONS AND TESTING
Geotechnical Consultant
3ULRUWRWKH FRPPHQFHPHQW RIJUDGLQJ DTXDOLÞHGJHRWHFKQLFDO FRQVXOWDQW VRLOHQJLQHHU
and engineering geologist) should be employed for the purpose of observing earthwork SURFHGXUHVDQGWHVWLQJWKHÞOOVIRUJHQHUDOFRQIRUPDQFHZLWKWKHUHFRPPHQGDWLRQVof the geotechnical report(s), the approved grading plans, and applicable grading codes and ordinances.

The geotechnical consultant should provide testing and observation so that an evaluation PD\EHPDGHWKDWWKHZRUNLVEHLQJDFFRPSOLVKHGDVVSHFLÞHG It is the responsibility of the contractor to assist the consultants and keep them apprised of anticipated work schedules and changes, so that they may schedule their personnel accordingly.

All remedial removals, clean-RXWV SUHSDUHG JURXQG WR UHFHLYH ÞOO NH\ H[FDYDWLRQV DQG subdrain installation should be observed and documented by the geotechnical consultant SULRUWRSODFLQJDQ\ÞOO It is the contractor’s responsibility to notify the geotechnical consultant when such areas are ready for observation.

Laboratory and Field Tests
Maximum dry density tests to determine the degree of compaction should be performed in accordance with American Standard Testing Materials test method ASTM designation D 1557. 5DQGRP RU UHSUHVHQWDWLYH ÞHOG FRPSDFWLRQ WHVWV VKRXOG EH SHUIRUPHG LQ accordance with test methods ASTM designation D 1556, D 2937 or D 2922, and D 3017, Item K.2

Paul and Valerie Field Appendix F
File:z:\cb\7800\7826a1.pga Page 2
DWLQWHUYDOVRIDSSUR[LPDWHO\IHHWRIÞOOKHLJKWRUDSSUR[LPDWHO\HYHU\FXELF\DUGV placed. These criteria would vary depending on the soil conditions and the size of the project.

The location and frequency of testing would be at the discretion of the geotechnical consultant.

Contractor's Responsibility
All clearing, site preparation, and earthwork performed on the project should be conducted by the contractor, with observation by a geotechnical consultant, and staged approval by the governing agencies, as applicable. It is the contractor's responsibility to prepare the ground VXUIDFHWR UHFHLYHWKHÞOOWRWKHVDWLVIDFWLRQRIWKHJHRWHFKQLFDOFRQVXOWDQWDQGWRSODFH VSUHDG PRLVWXUH FRQGLWLRQ PL[ DQG FRPSDFW WKH ÞOO LQ DFFRUGDQFH ZLWK WKH recommendations of the geotechnical consultant. The contractor should also remove all nonearth material considered unsatisfactory by the geotechnical consultant.

Notwithstanding the services provided by the geotechnical consultant, it is the sole responsibility of the contractor to provide adequate equipment and methods to accomplish the earthwork in strict accordance with applicable grading guidelines, latest adopted Codes or agency ordinances, geotechnical report(s), and approved grading plans. 6XIÞFLHQW watering apparatus and compaction equipment should be provided by the contractor with GXHFRQVLGHUDWLRQIRUWKHÞOOPDWHULDO UDWHRISODFHPHQWDQGFOLPDWLFFRnditions. If, in the opinion of the geotechnical consultant, unsatisfactory conditions such as questionable ZHDWKHUH[FHVVLYHRYHUVL]HG URFNRUGHOHWHULRXVPDWHULDOLQVXIÞFLHQWVXSSRUWHTXLSPHQW etc., are resulting in a quality of work that is not acceptable, the consultant will inform the contractor, and the contractor is expected to rectify the conditions, and if necessary, stop work until conditions are satisfactory.

During construction, the contractor shall properly grade all surfaces to maintain good drainage and prevent ponding of water. The contractor shall take remedial measures to control surface water and to prevent erosion of graded areas until such time as permanent drainage and erosion control measures have been installed.

SITE PREPARATION
All major vegetation, including brush, trees, thick grasses, organic debris, and other deleterious material, should be removed and disposed of off-site. These removals must be FRQFOXGHGSULRUWRSODFLQJÞOO In-SODFHH[LVWLQJÞOOVRLODOOXYLXPFROOXYLXPRUURFNPDWHULDOV as evaluated by the geotechnical consultant as being unsuitable, should be removed prior to DQ\ÞOOSODFHPHQW Depending upon the soil conditions, these materials may be reused as FRPSDFWHGÞOOV Any materials incorporated as part RIWKHFRPSDFWHGÞOOVVKRXOGEHDSSURYHG by the geotechnical consultant.

Any underground structures such as cesspools, cisterns, mining shafts, tunnels, septic tanks, wells, pipelines, or other structures not located prior to grading, are to be removed or treated in a manner recommended by the geotechnical consultant. Soft, dry, spongy, highly fractured, or otherwise unsuitable ground, extending to such a depth that surface processing Item K.2

Paul and Valerie Field Appendix F
File:z:\cb\7800\7826a1.pga Page 3
FDQQRWDGHTXDWHO\LPSURYHWKHFRQGLWLRQVKRXOGEHRYHUH[FDYDWHGGRZQWRÞUPJURXQGDQG DSSURYHGE\WKHJHRWHFKQLFDOFRQVXOWDQWEHIRUHFRPSDFWLRQDQGÞOOLQJRSHUDWLRQVFRQWLQXH Overexcavated and processed soils, which have been properly mixed and moisture conditioned, should be re-FRPSDFWHGWRWKHPLQLPXP UHODWLYH FRPSDFWLRQ DVVSHFLÞHG LQ these guidelines.
([LVWLQJ JURXQG ZKLFK LV GHWHUPLQHGWR EH VDWLVIDFWRU\IRU VXSSRUW RIWKH ÞOOV VKRXOG EH VFDULÞHG
ULSSHG
WRDPLQLPXPGHSWKRIWRLQFKHVRUDVGLUHFWHGE\WKHJHRWHFKQLFDO consultant. $IWHUWKHVFDULÞHGJURXQGLVEURXJKWWRRSWLPXPPRLVWXUHFRQWHQWRUJUHDWHUDQG PL[HGWKHPDWHULDOVVKRXOGEHFRPSDFWHGDVVSHFLÞHGKHUHLQ ,IWKHVFDULÞHG]RQHLVJUHDWHU than 6 to 8 inches in depth, it may be necessary to remove the excess and place the material in lifts restricted to about 6 to 8 inches in compacted thickness. ([LVWLQJJURXQGZKLFKLVQRWVDWLVIDFWRU\WRVXSSRUWFRPSDFWHGÞOOVKRXOGEHRYHUH[FDYDWHG as required in the geotechnical report, or by the on-site geotechnical consultant. 6FDULÞFDWLRQGLVFKDUURZLQJRURWKHUDFFHSWDEOHIRUPVRIPL[LQJVKRXOGFRQWLQXHXQWLOWKH soils are broken down and free of large lumps or clods, until the working surface is reasonably uniform and free from ruts, hollows, hummocks, mounds, or other uneven features, which would inhibit compaction as described previously.
:KHUHÞOOVDUHWREHSODFHGRQJURXQGZLWKVORSHVVWHHSHUWKDQ
KRUL]RQWDOWRYHUWLFDO
[h:v]), the ground should be stepped or benched. The lowest bench, which will act as a key, VKRXOGEHDPLQLPXPRIIHHWZLGHDQGVKRXOGEHDWOHDVWIHHWGHHSLQWRÞUPPDWHULDO and approved by the geotechnical consultant. ,Q ÞOO-over-cut slope conditions, the recommended minimum width of the lowest bench or key is also 15 feet, with the key founded RQÞUPPDWHULDO DVGHVLJQDWHGE\WKHJHRWHFKQLFDO FRQVXOWDQW. As a general rule, unless VSHFLÞFDOO\UHFRPPHQGHGRWKHUZLVHE\WKHJHRWHFKQLFDOFRQVXOWDQWWKHPLQLPXPZLGWKRI ÞOONH\VVKRXOGEHHTXDOWRWKHKHLJKWRIWKHVORSH
6WDQGDUG EHQFKLQJ LV JHQHUDOO\ IHHW

PLQLPXP
YHUWLFDOO\ H[SRVLQJ ÞUP DFFHSWDEOH
material. Benching may be used to remove unsuitable materials, although it is understood that the vertical height of the bench may exceed 4 feet. Pre-stripping may be considered for unsuitable materials in excess of 4 feet in thickness.
$OODUHDVWRUHFHLYHÞOOLQFOXGLQJSURFHVVHGDUHDVUHPRYDODUHDVDQGWKHWRHVRIÞOOEHQFKHV VKRXOGEHREVHUYHGDQGDSSURYHGE\WKHJHRWHFKQLFDOFRQVXOWDQWSULRUWRSODFHPHQWRIÞOO Fills may then be properly placed and compacted until design grades (elevations) are attained.

COMPACTED FILLS
$Q\HDUWKPDWHULDOVLPSRUWHGRUH[FDYDWHGRQWKHSURSHUW\PD\EHXWLOL]HGLQWKHÞOOSURYLGHG that each material has been evaluated to be suitable by the geotechnical consultant. These materials should be free of roots, tree branches, other organic matter, or other deleterious materials. $OO XQVXLWDEOH PDWHULDOV VKRXOG EH UHPRYHG IURP WKH ÞOO DV GLUHFWHG E\ WKH geotechnical consultant. Soils of poor gradation, undesirable expansion potential, or Item K.2

Paul and Valerie Field Appendix F
File:z:\cb\7800\7826a1.pga Page 4
substandard strength characteristics may be designated by the consultant as unsuitable and PD\UHTXLUHEOHQGLQJZLWKRWKHUVRLOVWRVHUYHDVDVDWLVIDFWRU\ÞOOPDWHULDO )LOOPDWHULDOVGHULYHGIURPEHQFKLQJRSHUDWLRQVVKRXOGEHGLVSHUVHGWKURXJKRXWWKHÞOODUHD and blended with other approved material. Benching operations should not result in the benched material being placed only within a single equipment width away from the ÞOOEHGURFNFRQWDFW
2YHUVL]HG PDWHULDOV GHÞQHG DV URFN RU RWKHU LUUHGXFLEOH PDWHULDOV ZLWK D PD[LPXP GLPHQVLRQJUHDWHUWKDQLQFKHVVKRXOGQRWEHEXULHGRUSODFHGLQÞOOVXQOHVVWKHORFDWLRQ RIPDWHULDOVDQGGLVSRVDOPHWKRGVDUHVSHFLÞFDOO\DSSURYHGE\WKHJHRWHFKQLFDl consultant.

Oversized material should be taken offsite, or placed in accordance with recommendations of the geotechnical consultant in areas designated as suitable for rock disposal. GSI DQWLFLSDWHVWKDWVRLOVWREHXWLOL]HGDVÞOOPDWHULDOIRUWKHVXEMect project may contain some rock. Appropriately, the need for rock disposal may be necessary during grading operations on the site. )URP D JHRWHFKQLFDO VWDQGSRLQW WKH GHSWK RI DQ\ URFNV URFN ÞOOV RU URFN EODQNHWVVKRXOGEHDVXIÞFLHQWGLVWDQFHIURPÞQLVKJUDGH This depth is generally the same as any overexcavation due to cut-ÞOOWUDQVLWLRQVLQKDUGURFNDUHDVDQGJHQHUDOO\IDFLOLWDWHV the excavation of structural footings and substructures. Should deeper excavations be proposed (i.e., deepened footings, utility trenching, swimming pools, spas, etc.), the developer may consider increasing the hold-GRZQGHSWKRIDQ\URFN\ÞOOVWREHSODFHGDV appropriate. ,QDGGLWLRQVRPHDJHQFLHVMXULVGLFWLRQVPDQGDWHDVSHFLÞFKROG-down depth for RYHUVL]HPDWHULDOVSODFHGLQÞOOV The hold-down depth, and potential to encounter oversize URFNERWKZLWKLQÞOOVDQGRFFXUULQJLQFXWRUQDWXUDODUHDVZRXOGQHHGWREHGLVFORVHGWRDOO interested/affected parties. Once approved by the governing agency, the hold-down depth IRURYHUVL]HGURFN
LHJUHDWHUWKDQLQFKHV
LQÞOOVRQWKLVSURMHFWLVSURYLGHGDVIHHW
XQOHVVVSHFLÞHGGLIIHUHQWO\LQWKHWH[WRIWKLVUHSRUW The governing agency may require that these materials need to be deeper, crushed, or reduced to less than 12 inches in maximum dimension, at their discretion.

To facilitate future trenching, rock (or oversized material), should not be placed within the hold-GRZQGHSWKIHHWIURPÞQLVKJUDGHWKHUDQJHRIIRXQGDWLRQH[FDYDWLRQVIXWXUHXWLOLWLHV RU XQGHUJURXQG FRQVWUXFWLRQ XQOHVV VSHFLÞFDOO\ DSSURYHG E\ WKH JRYerning agency, the geotechnical consultant, and/or the developer’s representative.

If import material is required for grading, representative samples of the materials to be utilized DV FRPSDFWHG ÞOO VKRXOG EH DQDO\]HG LQWKH ODERUDWRU\ E\WKH JHRWHFKQLFDO FRQVXOWDQWWR evaluate its physical properties and suitability for use onsite. Such testing should be performed three (3) days prior to importation. If any material other than that previously tested is encountered during grading, an appropriate analysis of this material should be conducted by the geotechnical consultant as soon as possible.
$SSURYHGÞOOPDWHULDOVKRXOGEHSODFHGLQDUHDVSUHSDUHGWR UHFHLYHÞOOLQQHDUKRUL]RQWDO layers, that when compacted, should not exceed about 6 to 8 inches in thickness. The geotechnical consultant may approve thick lifts if testing indicates the grading procedures are such that adequate compaction is being achieved with lifts of greater thickness. Each Item K.2

Paul and Valerie Field Appendix F
File:z:\cb\7800\7826a1.pga Page 5
layer should be spread evenly and blended to attain uniformity of material and moisture suitable for compaction.
)LOOOD\HUVDWDPRLVWXUHFRQWHQWOHVVWKDQRSWLPXPVKRXOGEHZDWHUHGDQGPL[HGDQGZHWÞOO OD\HUVVKRXOGEHDHUDWHGE\VFDULÞFDWLRQRUVKRXOGEHEOHQGHGZLWKGULHUPDWHULDO Moisture FRQGLWLRQLQJEOHQGLQJDQGPL[LQJRIWKHÞOOOD\HUVKRXOGFRQWLQXHXQWLOWKHÞOOPDWHULDOVKDYH a uniform moisture content at, or above, optimum moisture.

After each layer has been evenly spread, moisture conditioned, and mixed, it should be uniformly compacted to a minimum of 90 percent of the maximum density as evaluated by ASTM test designation D 1557, or as otherwise recommended by the geotechnical consultant. &RPSDFWLRQHTXLSPHQWVKRXOGEHDGHTXDWHO\VL]HGDQGVKRXOGEHVSHFLÞFDOO\ GHVLJQHGIRUVRLOFRPSDFWLRQRURISURYHQUHOLDELOLW\WRHIÞFLHQWO\DFKLHYHWKHVSHFLÞHGGHJUHH of compaction.
:KHUH WHVWV LQGLFDWH WKDW WKH GHQVLW\ RI DQ\ OD\HU RI ÞOO RU SRUWLRQ WKHUHRI LV EHORZ WKH required relative compaction, or improper moisture is in evidence, the particular layer or portion shall be re-worked until the required density and/or moisture content has been attained. 1RDGGLWLRQDOÞOOVKDOOEHSODFHGLQDQDUHDXQWLOWKHODVWSODFHGOLIWRIÞOOKDVEHHQ tested and found to meet the density and moisture requirements, and is approved by the geotechnical consultant.
,QJHQHUDOSHUWKHODWHVWDGRSWHG&RGHÞOOVORSHVVKRXOGEHGHVLJQHGDQGFRQVWUXFWHGDWD gradient of 2:1 (h:v), or flatter. Compaction of slopes should be accomplished by overbuilding a minimum of 3 feet horizontally, and subsequently trimming back to the design slope FRQÞJXUDWLRQ 7HVWLQJVKDOOEHSHUIRUPHGDVWKHÞOOLVHOHYDWHGWRHYDOXDWHFRPSDFWLRQDVWKH ÞOO FRUH LV EHLQJ GHYHORSHG Special efforts may EH QHFHVVDU\ WR DWWDLQ WKH VSHFLÞHG FRPSDFWLRQLQWKHÞOOVORSH]RQH Final slope shaping should be performed by trimming and removing loose materials with appropriate equipment. $ ÞQDO HYDOXDWLRQ RI ÞOO VORSH FRPSDFWLRQVKRXOGEHEDVHGRQREVHUYDWLRQDQGRUWHVWLQJRIWKHÞQLVKHGVORSHIDFH Where FRPSDFWHGÞOOVORSHVDUHGHVLJQHGVWHHSHUWKDQ

K
Y
SULRUDSSURYDOIURPWKHJRYHUQLQJ
DJHQF\ VSHFLÞF PDWHULDO W\SHV D KLJKHU PLQLPXP UHODWLYH FRPSDFWLRQ VSHFLDO reinforcement, and special grading procedures will be recommended.

If an alternative to over-EXLOGLQJDQGFXWWLQJEDFNWKHFRPSDFWHGÞOOVORSHVLVVHOHFWHGWKHQ special effort should be made to achieve the required compaction in the outer 10 feet of each OLIWRIÞOOE\XQGHUWDNLQJWKHIROORZLQJ

1. An extra piece of equipment consisting of a heavy, short-shanked sheepsfoot should EH XVHGWR UROO
KRUL]RQWDO
SDUDOOHOWRWKHVORSHV FRQWLQXRXVO\ DVÞOO LVSODFHG The sheepsfoot roller should also be used to roll perpendicular to the slopes, and extend out over the slope to provide adequate compaction to the face of the slope.

2. /RRVHÞOOVKRXOGQRWEHVSLOOHGRXWRYHUWKHIDFHRIWKHVORSHDVHDFKOLIWLVFRPSDFWHG $Q\ORRVHÞOOVSLOOHGRYHUDSUHYLRXVO\FRPSOHWHGVORSHIDFHVKRXOGEHWULPPHGRIIRU be subject to re-rolling.

Item K.2

Paul and Valerie Field Appendix F
File:z:\cb\7800\7826a1.pga Page 6

3. Field compaction tests will be made in the outer (horizontal) ±2 to ±8 feet of the slope at appropriate vertical intervals, subsequent to compaction operations.

4. After completion of the slope, the slope face should be shaped with a small tractor and then re-rolled with a sheepsfoot to achieve compaction to near the slope face.

Subsequent to testing to evaluate compaction, the slopes should be grid-rolled to achieve compaction to the slope face. Final testing should be used to evaluate compaction after grid rolling.

5. Where testing indicates less than adequate compaction, the contractor will be responsible to rip, water, mix, and recompact the slope material as necessary to achieve compaction. Additional testing should be performed to evaluate compaction.

SUBDRAIN INSTALLATION
Subdrains should be installed in approved ground in accordance with the approximate alignment and details indicated by the geotechnical consultant. Subdrain locations or PDWHULDOVVKRXOGQRWEHFKDQJHGRUPRGLÞHGZLWKRXWDSSURYDORIWKHJHRWHFKQLFDOFRQVXOWDQW The geotechnical consultant may recommend and direct changes in subdrain line, grade, DQG GUDLQ PDWHULDO LQ WKH ÞHOG SHQGLQJ H[SRVHG FRQGLWLRQV The location of constructed subdrains, especially the outlets, should be recorded/surveyed by the project civil engineer.

Drainage at the subdrain outlets should be provided by the project civil engineer.

EXCAVATIONS
Excavations and cut slopes should be examined during grading by the geotechnical consultant. If directed by the geotechnical consultant, further excavations or overexcavation DQGUHÞOOLQJRIFXWDUHDVVKRXOGEHSHUIRUPHGDQGRUUHPHGLDOJUDGLQJRIFXWVORSHVVKRXOG be performed. :KHQÞOO-over-cut slopes are to be graded, unless otherwise approved, the cut portion of the slope should be observed by the geotechnical consultant prior to placement RIPDWHULDOVIRUFRQVWUXFWLRQRIWKHÞOOSRUWLRQRIWKHVORSe. The geotechnical consultant should REVHUYHDOOFXWVORSHVDQGVKRXOGEHQRWLÞHGE\WKHFRQWUDFWRUZKHQH[FDYDWLRQRIFXWVORSHV commence.

If, during the course of grading, unforeseen adverse or potentially adverse geologic conditions are encountered, the geotechnical consultant should investigate, evaluate, and make appropriate recommendations for mitigation of these conditions. The need for cut slope buttressing or stabilizing should be based on in-grading evaluation by the geotechnical consultant, whether anticipated or not.
8QOHVVRWKHUZLVHVSHFLÞHGLQJHRWHFKQLFDODQGJHRORJLFDOUHSRUW V
QRFXWVORSHVVKRXOGEH
excavated higher or steeper than that allowed by the ordinances of controlling governmental agencies. Additionally, short-term stability of temporary cut slopes is the contractor’s responsibility.

Item K.2

Paul and Valerie Field Appendix F
File:z:\cb\7800\7826a1.pga Page 7
Erosion control and drainage devices should be designed by the project civil engineer and should be constructed in compliance with the ordinances of the controlling governmental agencies, and/or in accordance with the recommendations of the geotechnical consultant.

COMPLETION
Observation, testing, and consultation by the geotechnical consultant should be conducted GXULQJWKHJUDGLQJRSHUDWLRQVLQRUGHUWRVWDWHDQRSLQLRQWKDWDOOFXWDQGÞOODUHDVDUHJUDGHG LQ DFFRUGDQFH ZLWKWKH DSSURYHG SURMHFW VSHFLÞFDWLRQV After completion of grading, and DIWHUWKHJHRWHFKQLFDOFRQVXOWDQWKDVÞQLVKHGREVHUYDWLRQVRIWKHZRUNÞQDOUHSRUWVVKRXOG be submitted, and may be subject to review by the controlling governmental agencies. No IXUWKHUH[FDYDWLRQRUÞOOLQJVKRXOGEHXQGHUWDNHQZLWKRXWSULRUQRWLÞFDWLRQRIWKHJHRWHFKQLFDO consultant or approved plans.
$OO ÞQLVKHG FXW DQG ÞOO VORSHV VKRXOG EH SURWHFWHG IURP HURVLRQ DQGRU EH SODQWHG LQ DFFRUGDQFH ZLWK WKH SURMHFW VSHFLÞFDWLRQV DQGRU DV UHFRPPHQGHG E\ D landscape architect. Such protection and/or planning should be undertaken as soon as practical after completion of grading.

JOB SAFETY
General
At GSI, getting the job done safely is of primary concern. The following is the company's safety considerations for use by all employees on multi-employer construction sites. Onground personnel are at highest risk of injury, and possible fatality, on grading and construction projects. GSI recognizes that construction activities will vary on each site, and that site safety is the prime responsibility of the contractor; however, everyone must be safety conscious and responsible at all times. To achieve our goal of avoiding accidents, cooperation between the client, the contractor, and GSI personnel must be maintained.

In an effort to minimize risks associated with geotechnical testing and observation, the IROORZLQJSUHFDXWLRQVDUHWREHLPSOHPHQWHGIRUWKHVDIHW\RIÞHOGSHUVRQQHORQJUDGLQJDQG construction projects:

Safety Meetings: *6, ÞHOG personnel are directed to attend contractor’s regularly scheduled and documented safety meetings.

Safety Vests: Safety vests are provided for, and are to be worn by GSI personnel, at DOOWLPHVZKHQWKH\DUHZRUNLQJLQWKHÞHOG
Safety Flags: 7ZR VDIHW\ IODJV DUH SURYLGHG WR *6, ÞHOG WHFKQLFLDQV RQH LV WR EH
DIÞ[HGWRWKHYHKLFOHZKHQRQVLWHWKHRWKHULVWREHSODFHGDWRSWKH spoil pile on all test pits.

Item K.2

Paul and Valerie Field Appendix F
File:z:\cb\7800\7826a1.pga Page 8
Flashing Lights: All vehicles stationary in the grading area shall use rotating or flashing DPEHUEHDFRQVRUVWUREHOLJKWVRQWKHYHKLFOHGXULQJDOOÞHOGWHVWLQJ While operating a vehicle in the grading area, the emergency flasher on the vehicle shall be activated.

In the event that the contractor's representative observes any of our personnel not following WKHDERYHZHUHTXHVWWKDWLWEHEURXJKWWRWKHDWWHQWLRQRIRXURIÞFH Test Pits Location, Orientation, and Clearance
The technician is responsible for selecting test pit locations. A primary concern should be the technician’s safety. Efforts will be made to coordinate locations with the grading contractor’s DXWKRUL]HGUHSUHVHQWDWLYHDQGWRVHOHFWORFDWLRQVIROORZLQJRUEHKLQGWKHHVWDEOLVKHGWUDIÞF SDWWHUQ SUHIHUDEO\ RXWVLGH RI FXUUHQW WUDIÞF The contractor’s authorized representative (supervisor, grade checker, dump man, operator, etc.) should direct excavation of the pit and safety during the test period. Of paramount concern should be the soil technician’s safety, and obtaining enough tests to represent the ÞOO 7HVWSLWVVKRXOGEHH[FDYDWHGVRWKDWWKHVSRLOSLOHLVSODFHGDZD\IURPRQFRPLQJWUDIÞF whenever possible. The technician's vehicle is to be placed next to the test pit, opposite the spoil pile. 7KLVQHFHVVLWDWHVWKHÞOOEHPDLQWDLQHGLQDGULYHDEOHFRQGLWLRQ Alternatively, the contractor may wish to park a piece of equipment in front of the test holes, particularly in VPDOOÞOODUHDVRUWKRVHZLWKOLPLWHGDFFHVV
A zone of non-encroachment should be established for all test pits. No grading equipment should enter this zone during the testing procedure. The zone should extend approximately 50 feet outward from the center of the test pit. This zone is established for safety and to avoid excessive ground vibration, which typically decreases test results.

When taking slope tests, the technician should park the vehicle directly above or below the test location. If this is not possible, a prominent flag should be placed at the top of the slope.

The contractor's representative should effectively keep all equipment at a safe operational distance (e.g., 50 feet) away from the slope during this testing. 7KHWHFKQLFLDQLVGLUHFWHGWRZLWKGUDZIURPWKHDFWLYHSRUWLRQRIWKHÞOODVVRRQDVSRVVLEOH following testing. 7KHWHFKQLFLDQ
VYHKLFOHVKRXOGEHSDUNHGDWWKHSHULPHWHURIWKHÞOOLQD KLJKO\YLVLEOHORFDWLRQZHOODZD\IURPWKHHTXLSPHQWWUDIÞFSDWWHUQ The contractor should LQIRUPRXUSHUVRQQHORIDOOFKDQJHVWRKDXOURDGVFXWDQGÞOODUHDVRURWKHUIDFWRUVWKDWPD\ affect site access and site safety.

In the event that the technician’s safety is jeopardized or compromised as a result of the contractor’s failure to comply with any of the above, the technician is required, by company policy, to immediately withdraw and notify his/her supervisor. The grading contractor’s representative will be contacted in an effort to affect a solution. However, in the interim, no IXUWKHU WHVWLQJ ZLOO EH SHUIRUPHG XQWLO WKH VLWXDWLRQ LV UHFWLÞHG $Q\ ÞOO SODFHG FDQ EH considered unacceptable and subject to reprocessing, recompaction, or removal.

Item K.2

Paul and Valerie Field Appendix F
File:z:\cb\7800\7826a1.pga Page 9
In the event that the soil technician does not comply with the above or other established safety guidelines, we request that the contractor bring this to the technician’s attention and QRWLI\ WKLV RIÞFH Effective communication and coordination between the contractor’s representative and the soil technician is strongly encouraged in order to implement the above safety plan.

Trench and Vertical Excavation
It is the contractor's responsibility to provide safe access into trenches where compaction testing is needed. Our personnel are directed not to enter any excavation or vertical cut which: 1) is 5 feet or deeper unless shored or laid back; 2) displays any evidence of instability, has any loose rock or other debris which could fall into the trench; or 3) displays any other evidence of any unsafe conditions regardless of depth.

All trench excavations or vertical cuts in excess of 5 feet deep, which any person enters, should be shored or laid back. Trench access should be provided in accordance with Cal/OSHA and/or state and local standards. Our personnel are directed not to enter any trench by being lowered or “riding down” on the equipment.

If the contractor fails to provide safe access to trenches for compaction testing, our company policy requires that the soil technician withdraw and notify his/her supervisor. The contractor’s representative will be contacted in an effort to affect a solution. $OOEDFNÞOOQRW tested due to safety concerns or other reasons could be subject to reprocessing and/or removal.

If GSI personnel become aware of anyone working beneath an unsafe trench wall or vertical excavation, we have a legal obligation to put the contractor and owner/developer on notice to immediately correct the situation. If corrective steps are not taken, GSI then has an obligation to notify Cal/OSHA and/or the proper controlling authorities.

Item K.2
Item K.2
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ALL LOCATIONS ARE APPROXIMATE
This document or efile is not a part of the Construction Documents and should not be relied upon as being an
accurate depiction of design.

Existing
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Item K.2
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This document or efile is not a part of the Construction Documents and should not be relied upon as being an
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Item K.2
UES Professional Solutions, Inc. (UES)
1441 Montiel Road, Suite 115
Escondido, CA 92026
p. 760.746.4955 | TeamUES.com
Environmental Consulting | Geotechnical Engineering | Materials Testing & Inspections Occupational Health & Safety | Building Sciences & Code Compliance | Virtual Design Consulting June 19, 2026 UES Job No. A26165.00149
City of Solana Beach
635 South Highway 101
Solana Beach, California 92075
Attention: Ms. Corey Andrews
(858) 720-2434
[email protected]
Subject: 2nd Application Submittal Geotechnical Review
Field Residence Remodel
617 West Circle Drive, Solana Beach, California, 92075
References: At End of Document
Ms. Andrews:

As requested, UES Professional Solutions, Inc. (UES) has reviewed the provided submittal application documents referenced at the end of this letter. The purpose of our review was to assess whether the proposed project is in substantial compliance with the City of Solana Beach’s (City) Local Coastal Plan (LCP) policies.

Based on review of the submitted and referenced documents, the previously issued comments have been satisfied with regards to the proposed improvement areas indicated in the referenced documents, and no exceptions were noted.

We appreciate this opportunity to be of service on this project. If you have any questions regarding this review, please do not hesitate to contact the undersigned.

Respectfully submitted,
UES Professional Solutions, Inc. (UES)
Colm J. Kenny, GE #3201
Senior Engineer
C l J K G #3201
Item K.2
Field Residence Remodel/Application Submittal 2nd Geotechnical Review A26165.00149, June 19, 2026

Page 2 ends

1441 Montiel Road, Suite 115, Escondido, CA 92026
p. 760.746.4955 | TeamUES.com
REVIEWED DOCUMENTS:

Field Residence Civil Plans
617 W. Circle Drive
Solana Beach, CA
Dated June 8, 2026
Geotechnical Update and Responses to UES Professional Services, Inc.’s 1st Application Submittal Geotechnical Review Comments Dated April 17, 2026 Proposed Additional Residential Development, 617 W. Circle Drive Solana Beach, San Diego County, California 92075, APN 23-121-03-00 GSI W.O. 7826-A2-SD, dated June 5, 2026
1st Application Submittal Geotechnical Review
Field Residence Remodel
617 West Circle Drive, Solana Beach, California, 92075
UES Job No. A26165.00149, dated April 17, 2026
Preliminary Geotechnical and Coastal Bluff Stability/Retreat Evaluations Proposed Additional Residential Development
617 W. Circle Drive
Solana Beach, San Diego County, California 92075
ASSESSOR’S PARCEL NUMBER (APN) 263-121-03-00
GSI W.O. 7826-A1-SC, dated June 26, 2025
Item K.2
COUNCIL ACTION:
_______________________________________________________________________ AGENDA ITEM # L.1.

STAFF REPORT

CITY OF SOLANA BEACH
TO: Honorable Mayor and City Councilmembers
FROM: Alyssa Muto, City Manager
MEETING DATE: October 14, 2026
ORIGINATING DEPT: Community Development Department - Tiffany Wade, Associate Planner
SUBJECT: Residential Chicken and Bee Keeping Ordinance 546 Adoption (2nd Reading)

BACKGROUND
This item is before the City Council to consider adoption of Ordinance 546 to expand the current Animal Regulations section of the Solana Beach Municipal Code Chapter 17, Article 20, regarding the keeping of chickens and bees in residential zones. This is the second reading for the Council of this proposed amendment to the Municipal Code.

DISCUSSION
On September 30, 2026, the City Council introduced Ordinance 546 which lists the zoning regulations for chicken and bee keeping and associated structures and maintenance requirements in residential zones. In addition to ER-1, ER-2 and LR zones, chickens would be permitted within the LMR, MR and MHR zones. Updated setback and structure requirements have been included in the ordinance. As currently written, the SBMC does not allow apiaries or beekeeping in any zones. The draft amended regulations would allow apiaries in the ER-1, ER-2, LR and LMR zones, and outlines setback, structure requirements and best management practices.

During the September 30th meeting, City Council requested changes to the proposed setback requirements for chicken coops and beehives and the number of hives per property. These changes are shown in Attachment 1, and included in the final draft resolution (Attachment 2).

CEQA COMPLIANCE STATEMENT
This action is exempt pursuant to Section 15061(b)(3) of the Guidelines for the California Environmental Quality Act (CEQA), which states that a project is exempt from CEQA if the activity is covered by the commonsense exemption that CEQA applies only to projects that have the potential for causing a significant effect on the environment. Where it can be seen with certainty that there is no possibility that the activity in question may have a significant effect on the environment, the activity is not subject to CEQA. This Ordinance modifies the Item L.1
October 14, 2026
Chicken and Bee Keeping – Ordinance 546 Adoption

Page 2 of 2 ends

criteria and stands for the keeping of a limited number of chickens in single-family residential zones and there is no possibility that adopting this Ordinance will have a significant effect on the environment. Therefore, no environmental analysis is required.

FISCAL IMPACT
N/A

WORK PLAN
This item is consistent with Action E under Item 8 (Healthy and Livable Communities) of the Youth, Senior, and Community Well-being Section in the FY2025-26 Work Plan.

OPTIONS
• Adopt Ordinance 546 amending S.B.M.C 17.20.040 (H).
• Provide alternative directions.

CITY STAFF RECOMMENDATION
Staff recommends that the City Council:

1. Consider adopting Ordinance 546 (2nd Reading) amending Section S.B.M.C

17.20.040 (H) Animal Regulations of the Solana Beach Municipal Code. _________________________
Alyssa Muto, City Manager
Attachments:

1. Ordinance 546 – Animals and Pets (track changes)

2. Ordinance 546 – Animals and Pets (clean)
Item L.1
ORDINANCE 546

AN ORDINANCE OF THE CITY COUNCIL OF THE CITY OF SOLANA BEACH, CALIFORNIA, REPEALING SECTION 17.20.040(H) AND ADOPTING A REVISED SECTION 17.20.040(H) OF THE SOLANA BEACH MUNICIPAL CODE

TO PROVIDE FOR REGULATIONS CONCERNING CHICKEN AND BEE

KEEPING
WHEREAS, the proposed regulations and standards are intended to be consistent with state law and are intended to promote the keeping of chickens and bees; and WHEREAS, the proposed amendments are consistent with and implement a portion of the Work Plan Action E under Item 8 (Healthy & Livable Communities) of the Youth, Senior, and Community Well-Being section in the FY2025-26 Work Plan; and WHEREAS, the proposed provisions are consistent with the policies and programs of the City’s General Plan and the certified Land Use Plan of the City’s Local Coastal Plan; and WHEREAS, the proposed regulations include objective standards for keeping chickens and bees that protect the health, safety and welfare of the community.

NOW, THEREFORE, the City Council of the City of Solana Beach hereby ordains as follows:

Section 1. All of the above statements are true and correct and are hereby incorporated into this Ordinance by reference; and
Section 2. Section 17.08.030 Definitions. Shall be amended to add the following definitions:

APIARY – an apiary is a collection of hives or colonies of bees kept for their honey.

ANIMAL:

BEE – a yellow and black flying insect that makes honey CHICKEN – a chicken is a common domestic fowl. Regulations that apply to chickens also apply to small fowl including bantam chickens and quail.

COOP – a small structure or covered enclosure where chickens live, sleep and lay their eggs. The coop includes both a henhouse and run. The henhouse is an indoor full enclosed structure that contains nesting boxes for laying eggs and roosts for sleeping.

The run is an attached, or outdoor fenced area where chickens can walk, scratch the dirt and eat during the day.

Section 3. Section 17.20.040(H) of the Solana Beach Municipal Code is amended to read as follows:

Item L.1
Ordinance 546
Chicken and Bee Keeping

Page 2 of 6 ends

ATTACHMENT 1

17.20.040 Specific requirements.

H. Animals and Pets.

1. The keeping of animals out-of-doors accessory to a residential use shall be limited as follows:

Table 17.20.040-A
Animal Regulations, Residential Zones
Type of Animal
Minimum
Site Area
Required
(square feet)
Minimum
Site Area
Per Animal
(square feet)
Maximum
Number of
Animals on
any Site
Zones Allowed
(a) Horses, mules, donkeys, ponies
or other large animals*
20,000 10,000 6 ER-1, ER-2, LR
(b) Goats, sheep, pigs, and other
small animals*
20,000 10,000 6 ER-1, ER-2, LR
(c) Cats none 1,250 4 All Res. Zones
(d) Dogs none 1,250 4** All Res. Zones
(e) Chickens and small fowl. No
roosters.
none none Minimum 3
Maximum
10 ER-1, ER-2,

LR, LMR,
MR***, MHR***
(f) Rodents or birds none 1,000 25 All Res. Zones
(g) Exotic or wild animals As established by CUP All Res. Zones (h) Apiaries none none 3 hives
__________
2 hives
ER-1, ER-2

Item L.1
Ordinance 546
Chicken and Bee Keeping

Page 3 of 6 ends

ATTACHMENT 1
a. The keeping of all exotic or wild animals shall be subject to a conditional use permit issued by the director of planning and community development.
b. Young animals born to a permitted animal kept on the site may be kept until such animals are weaned (small animals, four months; large animals, six months; horses, 12 months). c. The number of household pets customarily permitted and kept within a dwelling, consistent with applicable city, state and federal regulations, is not regulated by this title.

2. The keeping of animals as an agricultural business pursuant to subsection F shall be limited as prescribed by Table 17.20.040-A, however, the requirements for minimum area per animal and maximum number of animals per site may be exceeded pursuant to the conditional use permit issued for the agricultural business.

3. All animals, except dogs and cats, must be kept in enclosures. Animal enclosures including pens, coops, hutches, stables, barns, corrals, and similar structures shall be subject to the following regulations:
a. All enclosures must be at least 35 feet from any residential dwelling, school, hospital, or church located on any adjoining parcel. The temporary keeping of animals in conjunction with 4-H, FFA or similar youth programs may be exempted from the minimum distance requirements for a period not to exceed one year with the written approval of surrounding property owners.
b. The keeping of animals, excluding household pets, shall not be permitted in the required front or street side yard setback areas.
c. All enclosures shall be adequate to contain the animals and in all cases animals, including dogs, shall be contained within the boundaries of the property on which they are housed. d. All excrement produced by animals shall be disposed of on a regular basis so as to control flies and odor.
e. The keeping of animals must be consistent with, and not disruptive to the normal residential usage of the premises, nor cause external effects such as noise or odors which Item L.1
Ordinance 546
Chicken and Bee Keeping

Page 4 of 6 ends

ATTACHMENT 1
are detrimental to neighboring properties or are incompatible with the characteristics of the residential zone.

4. Chickens and quails shall be kept in enclosures. Coops, hutches, or other similar structures for housing chickens and quails shall be subject to the following regulations:
a. Enclosures shall not exceed eight (8) feet in height. b. All enclosures shall comply with SBMC Section 17.20.020(C) – Accessory Structures. c. In addition to the provisions in Section 17.20.020(C), enclosures shall meet the following setback requirements:
1) Enclosures shall not be located between the primary residence and the front property line. Enclosures are permitted in the property’s buildable area, behind the residence and within the rear yard setback.

Table 17.20.040-B – Chicken Enclosure Location
Required Setbacks from Property Lines
Zoning Designation Sides* Rear**
ER-1a 2520 2520
ER-2a 2520 2520
ER-2b 2520 2520
LRc 2520 2520
LRd 2520 2520
LMRc 2520 2520
LMRd 2520 2520
MR*** 20 20
MHR*** 20 20
Additional Setback Requirements Related to Overlay Zones Overlay Zones
HOZ 15-foot setback from top / toe of slope
ESHA 15-foot setback from ESHA
*If the setbacks from side property lines cannot be met, property owners shall obtain signatures from adjacent neighbors. **If the rear or side property line abuts common open space, the setback may be reduced to 10 feet
*** Only permitted on lots developed with a single-family residence, not excluding those with an ADU and/or JADU. d. The enclosure, or coop, shall provide a minimum of 10 square feet for each chicken. 1) The coop shall include both housing area for nesting and sleeping and run area for movement.
2) Coops that comply with SBMC 17.08 allowing a one-story detached accessory structure, 120 square feet or less, are not required to obtain a building permit. e. All chickens and quail shall be contained within the boundaries of the property on which they are housed.
f. All enclosures shall be well-ventilated and easily cleaned. All excrement produced by animals shall be disposed of on a regular basis so as to control flies and odor. (Please Item L.1
Ordinance 546
Chicken and Bee Keeping

Page 5 of 6 ends

ATTACHMENT 1
refer to SBMC Chapter 6.20 for proper disposal practices as per the City’s franchise agreement.)
g. All enclosures shall be pest-controlled.
h. All enclosures shall be predator-proof.
i. The keeping of animals must be consistent with, and not disruptive to the normal residential usage of the premises, nor cause external effects such as noise or odors which are detrimental to neighboring properties or are incompatible with the characteristics of the residential zone.

5. All bees must be kept in a beehive that allows them to form colonies. Beehives, bee boxes, and similar structures shall be subject to the following regulations:

Table 17.20.040-C – Apiary Location
Required Setbacks from Property Lines
Zoning Designation Front Sides Rear*
ER-1, ER-2 X 2520 2520
LR X 2520 2520
LMR** X 2520 2520
Additional Requirements Related to Overlay Zones
Overlay Zones
HOZ
ESHA
Hives may be located in existing level
and vegetation free areas within the
HOZ and/or ESHA. No grading or
vegetation removal is permitted to
accommodate hives.

X – Apiaries are not permitted between the front property line and the primary structure.
*If rear or side property line abuts common open space, the setback can be reduced to 10 feet.
**Properties in the LMR Zone that cannot meet required side setbacks shall obtain signatures from adjacent neighbors. a. Beehives may be located in the buildable area behind the primary structure or within the rear yard setback and shall be setback 30 feet from the rear and side property lines.

Beehives shall not be located within the required front or side yard setbacks. b. A clean, reliable, water source, such as a shallow basin with landing spots, shall be provided within 100 feet of the hive.
c. Beekeepers shall register with the San Diego County Agricultural Commissioner, comply with all state regulations and complete the following:
a. BMP Checklist for Beekeeping
b. Complete University of California Cooperative Extension (UCCE) online beekeeping course
Section 12. The City Council finds that this Ordinance is exempt from the provisions of the California Environmental Quality Act (“CEQA”) pursuant to Section 15061(b)(3) of the Guidelines for the California Environmental Quality Act (CEQA), which states Item L.1
Ordinance 546
Chicken and Bee Keeping

Page 6 of 6 ends

ATTACHMENT 1
that a project is exempt from CEQA if the activity is covered by the commonsense exemption that CEQA applies only to projects that have the potential for causing a significant effect on the environment. Where it can be seen with certainty that there is no possibility that the activity in question may have a significant effect on the environment, the activity is not subject to CEQA.

This Ordinance modifies the criteria and stands for the keeping of a limited number of chickens and apiaries in single-family residential zones and there is no possibility that adopting this Ordinance will have a significant effect on the environment.

Section 13. Severability. If any section, subsection, subdivision, paragraph, sentence, clause or phrase of this Chapter, or its application to any person or circumstance, is for any reason held to be invalid or unenforceable, such invalidity or unenforceability shall not affect the validity or enforceability of the remaining sections, subsections, subdivisions, paragraphs, sentences, clauses or phrases of this Chapter, or its application to any other person or circumstance. The City Council declares that it would have adopted each section, subsection, subdivision, paragraph, sentence, clause or phrase hereof, irrespective of the fact that any one or more other sections, subsections, subdivisions, paragraphs, sentences, clauses or phrases hereof be declared invalid or unenforceable.

EFFECTIVE DATE: This Ordinance shall be effective thirty (30) days after its adoption.

Within fifteen (15) days after its adoption, the City Clerk of the City of Solana Beach shall cause this Ordinance to be published pursuant to the provisions of Government Code Section 36933.

INTRODUCED AND FIRST READ at a special meeting of the City Council of the City of Solana Beach, California, on the 30th day of September, 2026; and THEREAFTER ADOPTED at a regular meeting of the City Council of the City of Solana Beach, California, on the 14th day of October 2026, by the following vote:

AYES: Councilmembers –
NOES: Councilmembers –
ABSTAIN: Councilmembers –
ABSENT: Councilmembers –
____________________________
LESA HEEBNER, Mayor
APPROVED AS TO FORM: ATTEST:
_______________________________ ____________________________ JOHANNA N. CANLAS, City Attorney MEGAN BAVIN, City Clerk Item L.1
ATTACHMENT 2
ORDINANCE 546

AN ORDINANCE OF THE CITY COUNCIL OF THE CITY OF SOLANA BEACH, CALIFORNIA, REPEALING SECTION 17.20.040(H) AND ADOPTING A REVISED SECTION 17.20.040(H) OF THE SOLANA BEACH MUNICIPAL CODE

TO PROVIDE FOR REGULATIONS CONCERNING CHICKEN AND BEE

NOW, THEREFORE, the City Council of the City of Solana Beach hereby ordains as follows:

APIARY – an apiary is a collection of hives or colonies of bees kept for their honey.

ANIMAL:

The run is an attached, or outdoor fenced area where chickens can walk, scratch the dirt and eat during the day.

Section 3. Section 17.20.040(H) of the Solana Beach Municipal Code is amended to read as follows:

Item L.1
Ordinance 546
Chicken and Bee Keeping

Page 2 of 6 ends

ATTACHMENT 2

17.20.040 Specific requirements.

H. Animals and Pets.

1. The keeping of animals out-of-doors accessory to a residential use shall be limited as follows:

LR, LMR,
MR***, MHR***
(f) Rodents or birds none 1,000 25 All Res. Zones
(g) Exotic or wild animals As established by CUP All Res. Zones (h) Apiaries none none 3 hives ER-1, ER-2

LR, LMR
*Definitions of large and small animals are contained in Chapter 17.08 SBMC (Definitions). **The keeping of five or more dogs in a structure or facility is classified as a kennel [See description of Kennel, SBMC 17.12.010 (D), Use Classification and Regulations.] ***Within the MR and MHR zones, only permitted on lots developed with a single-family residence, not excluding properties with an ADU or JADU.
a. The keeping of all exotic or wild animals shall be subject to a conditional use permit issued by the director of planning and community development.
b. Young animals born to a permitted animal kept on the site may be kept until such animals are weaned (small animals, four months; large animals, six months; horses, 12 months). c. The number of household pets customarily permitted and kept within a dwelling, consistent with applicable city, state and federal regulations, is not regulated by this title.

Page 3 of 6 ends

ATTACHMENT 2
maximum number of animals per site may be exceeded pursuant to the conditional use permit issued for the agricultural business.

Page 4 of 6 ends

ATTACHMENT 2
are detrimental to neighboring properties or are incompatible with the characteristics of the residential zone.

Table 17.20.040-B – Chicken Enclosure Location
Required Setbacks from Property Lines
Zoning Designation Sides* Rear**
ER-1a 20 20
ER-2a 20 20
ER-2b 20 20
LRc 20 20
LRd 20 20
LMRc 20 20
LMRd 20 20
MR*** 20 20
MHR*** 20 20
Additional Setback Requirements Related to Overlay Zones Overlay Zones
HOZ 15-foot setback from top / toe of slope
ESHA 15-foot setback from ESHA
*If the setbacks from side property lines cannot be met, property owners shall obtain signatures from adjacent neighbors. **If the rear or side property line abuts common open space, the setback may be reduced to 10 feet
*** Only permitted on lots developed with a single-family residence, not excluding those with an ADU and/or JADU. d. The enclosure, or coop, shall provide a minimum of 10 square feet for each chicken. 1) The coop shall include both housing area for nesting and sleeping and run area for movement.
2) Coops that comply with SBMC 17.08 allowing a one-story detached accessory structure, 120 square feet or less, are not required to obtain a building permit. e. All chickens and quail shall be contained within the boundaries of the property on which they are housed.
f. All enclosures shall be well-ventilated and easily cleaned. All excrement produced by animals shall be disposed of on a regular basis so as to control flies and odor. (Please Item L.1
Ordinance 546
Chicken and Bee Keeping

Page 5 of 6 ends

ATTACHMENT 2
refer to SBMC Chapter 6.20 for proper disposal practices as per the City’s franchise agreement.)
g. All enclosures shall be pest-controlled.
h. All enclosures shall be predator-proof.
i. The keeping of animals must be consistent with, and not disruptive to the normal residential usage of the premises, nor cause external effects such as noise or odors which are detrimental to neighboring properties or are incompatible with the characteristics of the residential zone.

5. All bees must be kept in a beehive that allows them to form colonies. Beehives, bee boxes, and similar structures shall be subject to the following regulations:

Table 17.20.040-C – Apiary Location
Required Setbacks from Property Lines
Zoning Designation Front Sides Rear*
ER-1, ER-2 X 20 20
LR X 20 20
LMR** X 20 20
Additional Requirements Related to Overlay Zones
Overlay Zones
HOZ
ESHA
Hives may be located in existing level
and vegetation free areas within the
HOZ and/or ESHA. No grading or
vegetation removal is permitted to
accommodate hives.

Page 6 of 6 ends

ATTACHMENT 2
that a project is exempt from CEQA if the activity is covered by the commonsense exemption that CEQA applies only to projects that have the potential for causing a significant effect on the environment. Where it can be seen with certainty that there is no possibility that the activity in question may have a significant effect on the environment, the activity is not subject to CEQA.

EFFECTIVE DATE: This Ordinance shall be effective thirty (30) days after its adoption.

Within fifteen (15) days after its adoption, the City Clerk of the City of Solana Beach shall cause this Ordinance to be published pursuant to the provisions of Government Code Section 36933.

INTRODUCED AND FIRST READ at a special meeting of the City Council of the City of Solana Beach, California, on the 30th day of September 2026; and THEREAFTER ADOPTED at a regular meeting of the City Council of the City of Solana Beach, California, on the 14th day of October 2026, by the following vote:

STAFF REPORT

CITY OF SOLANA BEACH
TO: Honorable Mayor and City Councilmembers
FROM: Alyssa Muto, City Manager
MEETING DATE: October 14, 2026
ORIGINATING DEPT: City Manager’s Department
SUBJECT: Single Use Plastics Ordinance Update (2nd Reading) Ordinance 541

BACKGROUND
On September 30, 2026, the City Council introduced Ordinance 541 (Attachment 1) and is now before Council for the second reading and adoption to amend Chapter 5.03 of the Solana Beach Municipal Code (SBMC) to prohibit single-use, non-compostable food service ware.

DISCUSSION
The proposed ordinance expands on Chapter 5.03 to further limit single-use plastics and waste by including the prohibition to all plastic food service ware, whether it be single-use or recyclable. Under the proposed ordinance, all distributed food service ware must be reusable or compostable.

If the ordinance is adopted by the Council at this second hearing, the new regulations would take effect after 30 days on November 14, 2026. Consistent with the implementation of past plastic reduction ordinances, staff recommends offering an enforcement “grace period” of an additional six months for the City and impacted businesses to exhaust existing inventories of non-compliant single-use food service ware, as well as providing time to procure new compliant materials. During this period, staff will send a letter to all food service providers with a business license in Solana Beach informing them of the updated regulations. The communication will include education and outreach materials outlining the new requirements and offer assistance to support compliance. The City will also continue to provide information through its standard communications channels and in partnership with EDCO.

The City has provided information about the plastic ban ordinance update in the ‘Weekly Update’ newsletter and on the City of Solana Beach website. On October 13, City staff presented at a Solana Beach EcoRotary Club meeting to provide an update on the City’s Single Use Plastic Ban and an overview of the Surfrider’s Ocean Friendly Restaurant Program. This event was free and open to the public upon registration, providing an opportunity for the community to learn about the proposed ordinance.

Item L.2
October 14, 2026
Single Use Plastics Ordinance Update - 2nd Reading

Page 2 of 3 ends

Staff has continued to collaborate with the Surfrider Foundation and scheduled an Ocean Friendly Restaurant (OFR) Blitz on October 17, 2026. During the Restaurant Blitz, volunteers will visit food service establishments in Solana Beach to share information about the OFR program and the City’s single-use plastic regulations. Staff has invited Climate and Resiliency Commissioners, Junior Commissioners, and local student environmental group Go Greenish to participate. Prior to engagement, volunteers will attend a brief training to learn OFR criteria, practice conducting compliance checks, and gain tools to support outreach to local restaurants and encourage participation in the OFR program.

CEQA COMPLIANCE STATEMENT
Exempt from review under the California Environmental Quality Act based upon the common sense exemption under CEQA Guidelines Section 15061(b)(3) and the reasoning of the California Supreme Court in the case of Save the Plastic Bag Coalition v. City of Manhattan Beach (2011) 52 Cal.4th 155, and the Court of Appeal cases of Save the Plastic Bag Coalition v. City and County of San Francisco (2013) 222 Cal.App.4th 863 and Save the Plastic Bag Coalition v. County of Marin (2013) 218 Cal.App.4th 209, because the Amendments will not have any substantial or contributive effects on the local or broader environment; and based on CEQA Guidelines sections 15307 and 15308, which exempt actions by agencies for the protection of natural resources and the environment, because the Amendments identify prohibitions and procedures intended for the protection of the environment and the City is adopting the ordinance to promote the general welfare consistent with its municipal regulatory powers.

FISCAL IMPACT
There is no fiscal action to be taken by the City Council related to this agenda item. If approved, the cost of ordinance implementation is expected to be minimal and will be covered with funds and staff time in the City’s existing approved operating budget.

WORK PLAN
This item is consistent with Item 3.1.9 Single-Use Plastic Ordinance of the Environmental Sustainability Section in the FY 2026/27 Work Plan.

OPTIONS
• Approve staff recommendation.
• Approve staff recommendation with alternative amendments / modifications. • Deny staff recommendation and provide further direction.

CITY STAFF RECOMMENDATION
Item L.2
October 14, 2026
Single Use Plastics Ordinance Update - 2nd Reading

Page 3 of 3 ends

Staff recommends that the City Council:

1. Adopt Ordinance 541 (2nd Reading) amending Chapter 5.03 of the Solana Beach Municipal Code to expand the ban on single-use plastics. _________________________
Alyssa Muto, City Manager
Attachments:

1. Ordinance 541
Item L.2
ORDINANCE 541

AN ORDINANCE OF THE CITY COUNCIL OF THE CITY OF
SOLANA BEACH, CALIFORNIA, AMENDING TITLE 5 OF THE

SOLANA BEACH MUNICIPAL CODE REGARDING

REGULATION OF FOOD SERVICE WARE, POLYSTYRENE

AND PLASTIC BOTTLED BEVERAGES IN FURTHERANCE

OF PROTECTING THE ENVIRONMENT AND REDUCING

SINGLE-USE PLASTICS AND WASTE
WHEREAS, the City of Solana Beach is a leader in sustainability, and takes action to protect our natural resources, divert waste from landfills, reduce greenhouse gas emissions, and has engaged in ongoing efforts to reduce or limit products that are harmful to the environment; and
WHEREAS, the City of Solana Beach adopted a Climate Action Plan in 2017, later updated in 2024, to reduce greenhouse gas emissions in the City; and WHEREAS, this Ordinance aims to support the City’s goal to divert 90% of its waste from the landfill by 2045 in accordance with the Climate Action Plan; and WHEREAS, single-use, non-compostable plastic waste generated by materials distributed by food providers, businesses, and vendors often ends up on local beaches, lagoons and oceans; and
WHEREAS, plastics break down into ever smaller pieces through photo-, physical, and biological degradation processes, that persist in the environment for hundreds of years and enter the food chain when animals ingest the pieces believing they are food; and
WHEREAS, the City of Solana Beach previously took action in 2012, 2015, and 2019 to prohibit single-use carry-out bags and food providers from dispensing prepared food to customers in disposable food service ware made from expanded polystyrene or non-recyclable plastic; and
WHEREAS, the purpose of this Ordinance is to encourage the use of oceanfriendly products that do not have a detrimental effect on the natural environment or character of the community; and
WHEREAS, this Ordinance updates Title 5 of the Solana Beach Municipal Code to provide for expanded prohibitions on the use and distribution of all single-use and recyclable plastic materials; and
WHEREAS, these amendments are exempt from review under the California Environmental Quality Act based upon the common sense exemption under CEQA Guidelines Section 15061(b)(3) and the reasoning of the California Supreme Court in the case of Save the Plastic Bag Coalition v. City of Manhattan Beach (2011) 52 Cal.4th 155, and the Court of Appeal Item L.2
Ordinance 541
Single Use Plastics Ordinance Update
page 2 of 5
cases of Save the Plastic Bag Coalition v. City and County of San Francisco (2013) 222 Cal.App.4th 863 and Save the Plastic Bag Coalition v. County of Marin (2013) 218 Cal.App.4th 209, because the Amendments will not have any substantial or contributive effects on the local or broader environment; and based on CEQA Guidelines sections 15307 and 15308, which exempt actions by agencies for the protection of natural resources and the environment, because the Amendments identify prohibitions and procedures intended for the protection of the environment and the City is adopting the ordinance to promote the general welfare consistent with its municipal regulatory powers.

NOW, THEREFORE, the City Council of the City of Solana Beach, California, does ordain as follows:

Section 1. All of the above statements are true; and
Section 2. Chapter 5.03.010 is hereby amended to read as follows (the strikethough text represents deleted language and the underlined text represents new language):

The city of Solana Beach is a coastal community which strives to protect and improve the environment in many ways. Refuse found and collected along San Diego County coasts is primarily comprised of plastics. Regulating the use of single-use disposable items within the city will reduce the amount of plastics that enter the environment and the ocean. With the implementation of this chapter, the city has the opportunity to reduce the amount of plastics that end up in the ocean. The goal is to eventually eliminate single-use products that are not reusable recyclable or compostable within the city and reduce the use of single-use products in general. To that end, residents, visitors, and businesses in the city are encouraged to minimize the use and distribution of single-use plastic products and unnecessary plastic product packaging.

Section 3. Chapter 5.03.010 Z-AB is hereby amended to read as follows (the strikethough text represents deleted language and the underlined text represents new language):

Z. “Reusable” means items manufactured out of durable materials to be used repeatedly over an extended period of time and are able to be washed and sanitized in accordance with applicable laws and regulations.

Z AA. “Reusable cup” means a cup or container for a beverage, that is manufactured of durable materials and that is specifically designed and manufactured to be washed and sanitized and to be used repeatedly over an extended period of time, and is safe for washing and sanitizing according to applicable regulations.

AAB. “Single use” means designed to be used once and discarded, and not designed for repeated use and sanitizing. (Ord. 504 § 2, 2019; Ord. 466 § 2, 2015. Formerly 5.03.010) Item L.2
Ordinance 541
Single Use Plastics Ordinance Update
page 3 of 5
Section 4. Chapter 5.03.030 A is hereby amended to read as follows (the strikethrough text represents deleted language and the underlined text represents new language):

A.Effective November 1, 2020 nNo person may sell, offer for sale, or otherwise distribute within the city:

1. If the food service ware is made, in whole or in part, from polystyrene foam; or

2. If the food service ware is not compostable or reusablerecyclable; or

3. Any single-use beverage straws, utensils, stirrers, splash sticks, cocktail sticks, or toothpicks made with plastic.

B. Notwithstanding subsection A of this section, the following food service ware types are permissible:

1. Non-compostable foil wrappers (such as those necessary to contain and form the prepared food, such as burritos or wraps), provided that the foil is accepted in the city’s recyclable materials collection program.

Section 5. Chapter 5.03.040 A-D is hereby amended to read as follows (the strikethrough text represents deleted language and the underlined text represents new language):

A. Effective November 1, 2020 fFood vendors may not sell, offer for sale, or otherwise distribute prepared food using food service ware:

1. If the food service ware is made, in whole or in part, from polystyrene foam; or

2. If the food service ware is not compostable or reusablerecyclable; or

3. Any single-use beverage straws, utensils, stirrers, splash sticks, cocktail sticks, or toothpicks made with plastic.

B. City facility food providers may not use food service ware to provide prepared food to city facilities:

1. If the food service ware is made, in whole or in part, from polystyrene foam; or

2. If the food service ware is not compostable or reusablerecyclable; or

3. Any single-use beverage straws, utensils, stirrers, splash sticks, cocktail sticks, or toothpicks made with plastic.

C. City departments may not purchase, acquire, or use food service ware for prepared food:

Item L.2
Ordinance 541
Single Use Plastics Ordinance Update
page 4 of 5

1. If the food service ware is made, in whole or in part, from polystyrene foam; or

2. If the food service ware is not compostable or reusablerecyclable; or

3. Any single-use beverage straws, utensils, stirrers, splash sticks, cocktail sticks, or toothpicks made with plastic.

D. City contractors, lessees and permitees may not use or distribute food service ware for prepared food in city facilities or while performing under a city contract or lease:

1. If the food service ware is made, in whole or in part, from polystyrene foam; or

2. If the food service ware is not compostable or reusablerecyclable; or

3. Any single-use beverage straws, utensils, stirrers, splash sticks, cocktail sticks, or toothpicks made with plastic.

E. Notwithstanding subsection A-D of this section, the following food service ware types are permissible:

1. A food service provider may use non-compostable foil wrappers if those wrappers are necessary to contain and form the prepared food (e.g. for burritos or wraps), provided that such wrappers are accepted in the city’s recyclable materials collection program.

Section 6. The City Council finds that this Ordinance is exempt from the provisions of the California Environmental Quality Act (“CEQA”) pursuant to Section 15308 of the CEQA Guidelines because it is an activity undertaken “to assure the maintenance, restoration, enhancement and protection of the environment” and pursuant to Section 15061(b)(3) because there is no possibility that the activity in question may have a significant effect on the environment.

Section 7. Severability. If any section, subsection, subdivision, paragraph, sentence, clause or phrase of this Chapter, or its application to any person or circumstance, is for any reason held to be invalid or unenforceable, such invalidity or unenforceability shall not affect the validity or enforceability of the remaining sections, subsections, subdivisions, paragraphs, sentences, clauses or phrases of this Chapter, or its application to any other person or circumstance. The City Council declares that it would have adopted each section, subsection, subdivision, paragraph, sentence, clause or phrase hereof, irrespective of the fact that any one or more other sections, subsections, subdivisions, paragraphs, sentences, clauses or phrases hereof be declared invalid or unenforceable.

Section 8. Effective Date. This Ordinance shall take effect thirty (30) days after its adoption. Within fifteen (15) days after its adoption, the City Clerk of the City of Solana Item L.2
Ordinance 541
Single Use Plastics Ordinance Update
page 5 of 5
Beach shall cause this Ordinance to be published pursuant to the provisions of Government Code Section 36933.

INTRODUCED at a special meeting of the City Council of the City of Solana Beach held on the 30 day of September, 2026, and thereafter,
PASSED, APPROVED AND ADOPTED at a regular meeting of the City Council of the City of Solana Beach, California, on the 14 day of October, 2026, by the following vote:

AYES: Councilmembers –
NOES: Councilmembers –
ABSTAIN: Councilmembers –
ABSENT: Councilmembers –
____________________________
LESA HEEBNER, Mayor
APPROVED AS TO FORM: ATTEST:
_____________________________________ ___________________________________ JOHANNA N. CANLAS, City Attorney MEGAN BAVIN, City Clerk Item L.2

Solana Beach City CouncilOctober 14, 2026

Solana Beach City Council
October 14, 2026