The document is a city council agenda memorandum regarding a request for compatibility review of a proposed new single-family residence and detached garage at 820 Cambridge Oval in Alamo Heights, Texas. It provides background on the property including that the previous main structure was demolished in 2021 with city approval. It then discusses details of the proposed new construction such as lot coverage, floor area ratio, height of structures, and materials to be used. The Architectural Review Board reviewed the current project and unanimously recommended approval of the proposed design as compatible.

1. CITY OF ALAMO HEIGHTS
COMMUNITY DEVELOPMENT SERVICES DEPARTMENT
CITY COUNCIL AGENDA MEMORANDUM
TO: Mayor and City Council Members
FROM: Lety Hernandez, Director of Community Development Services
SUBJECT: Case No. 873 F – 820 Cambridge Oval
Request of Ronald Eckels of Don B. McDonald Architect, AIA, Ltd., applicant,
representing Jyl and Randy Cain, owners, for the compatibility review of the proposed
design located at 820 Cambridge Oval in order to construct a new single-family
residence with detached garage under Demolition Review Ordinance No. 1860 (April
12, 2010).
DATE: March 28, 2022
BACKGROUND INFORMATION
The property is zoned SF-A and is located on the corner of Cambridge Oval and Morton.
The Architectural Review Board considered the significance of the previous main structure and
the complete demolition was approved by City Council on January 11, 2021. The structure has
since been demolished.
New construction was approved, previously, for this site but the applicant/owner did not proceed
with the project.

2. POLICY ANALYSIS
Lot Coverage / Floor Area Ratio Existing Proposed
Lot Area 17,169 17,169
Main House 1st
Floor* 2,608 4,084
Main House 2nd
Floor 899
Main House – Loft
Garage/Carport – 1st
Floor* 928
Garage – 2nd
Floor
Front Porch*
Side Porch*
Rear Porch* 520
Breezeway*
Shed(s)* 342
Total Square Footage 2,950sq ft 6,431
Lot Coverage* (max 40%) 2,950sq ft / 17.18% 5,532sq ft / 32.22%
FAR (max 49% with bonus) 2,608sq ft / 15.19% 5,911sq ft / 34.43%
Bonuses Utilized
+2 – side or rear street/alley access
+2 – one-story garage
 Main Structure
o Height – 26ft 0-inches
o Siding – Limestone Rubble & Cedar Shingles
o Roof – Standing Seam Metal
 Accessory Structure
o Height – 13ft 10-inches
o Siding – Cedar Shingles
o Roof – Standing Seam Metal
Compatibility shall mean harmony with the existing neighborhood, site configurations,
development patterns, and the character of the development envelope found within the adjacent
and immediate block area, as demonstrated in the demolition review application, including roof
pitch, scale, massing, garage and driveway location and setbacks. Adjacent and immediate block
area shall include but not be limited to all properties along:
(1) The specific block where the project is proposed;
(2) The block to each side of the project's block; and
(3) The blocks directly across the street of the three (3) blocks identified above.
Block shall mean a length of street right-of-way along one (1) side of the street from one (1)
intersection to the next adjoining intersection.
The Architectural Review Board considered the current project at their regular meeting of March
15, 2022. The board voted unanimously to recommend approval of the proposed design as
compatible.
FISCAL IMPACT
No projected fiscal impact from this project has been calculated.

3. ATTACHMENTS
Attachment A – Web Packet
Attachment B – Response Cards
______________________
Lety Hernandez
Director
______________________
Buddy Kuhn
City Manager

4. CITY OF ALAMO HEIGHTS
COMMUNITY DEVELOPMENT SERVICES DEPARTMENT
6116 BROADWAY
SAN ANTONIO, TX 78209
210-826-0516
Architectural Review Board Meeting
March 15, 2022 – 5:30 P.M.
Take notice that a Regular Architectural Review Board meeting of the City of Alamo Heights will be held
on Tuesday, March 15, 2022 at 5:30pm in the City Council Chamber, located at 6116 Broadway St, San
Antonio, Texas, 78209, to consider and act upon any lawful subjects with may come before it. Per
Governor’s Order GQ-36, attendees are not required to wear facial covering (mask) but
they are encouraged. The City will continue to practice social distancing, and seating will
be limited to capacity limits.
INSTRUCTIONS FOR TELECONFERENCE: Members of the public may also participate via audio
by dialing 1-346-248-7799 and entering access number 868 0184 5240#. If you would like to speak on
a particular item, when the item is considered, press *9 to “raise your hand”. Citizens will have three
(3) minutes to share their comments. The meeting will be recorded.
Case No. 873 F – 820 Cambridge Oval
Request of Ronald Eckels of Don B. McDonald Architect, AIA, Ltd., applicant, representing Jyl and
Randy Cain, owners, for the compatibility review of the proposed design located at 820 Cambridge Oval
in order to construct a new single-family residence with detached garage under Demolition Review
Ordinance No. 1860 (April 12, 2010).
Chapter 5 of Code of Ordinances (Buildings and Building Regulations) requires City Council to
consider the ARB’s recommendation for all demolition/final design review applications. Please
check the ARB posted results on the City’s website after the ARB meeting to confirm any future
meeting dates.
Plans are available for public viewing on the City’s website, with the exception of floor plans,
(http://www.alamoheightstx.gov/departments/planning-and-development-services/public-notices/)
and at the Community Development Services Department located at 6116 Broadway St, 2nd
floor.
You may also contact Eron Spencer (espencer@alamoheightstx.gov) or Lety Hernandez
(lhernandez@alamoheightstx.gov) by email or our office at (210) 826-0516 for additional
information regarding this case.
Attachment A

5. Attachment A

6. Attachment A

7. 22" RED OAK DIED OF DROUGHT
ca. 2013, NO LONGER EXISTS
7" GUM BULLY, TO BE REMOVED
TREES TO REMAIN, UNLESS
NOTED OTHERWISE
7" CREPE MYRTLE, TO BE
REMOVED
9" RED OAK, TO BE
REMOVED
7" LOQUAT, TO BE
REMOVED
6" FIG, TO BE REMOVED
6" LOQUAT, TO BE
REMOVED
15" ASH, TO BE REMOVED
14" LIVE OAK, TO BE
REMOVED
20" PECAN, TO BE REMOVED
17" RED OAK, TO BE
REMOVED
20" RED OAK DIED OF DROUGHT
ca. 2013, NO LONGER EXISTS
7" CREPE MYRTLE, TO BE
REMOVED
E
X
I
S
T
'
G
D
R
A
I
N
A
G
E
E
X
I
S
T
'G
D
R
A
I
N
A
G
E
EXIST'G
DRAINAGE
EXIST'G
DRAINAGE
E
X
I
S
T
'
G
D
R
A
I
N
A
G
E
DESIGN DEVELOPMENT REVIEW-- NOT FOR REGULATORY APPROVAL, PERMITTING, OR CONSTRUCTION.
28" HERITAGE LIVE OAK, TO
BE REMOVED
24" HERITAGE MESQUITE TO
BE REMOVED
Attachment A

8. 95
96
99
PROPOSED
RESIDENCE
F.F. 100.0
S 88°30'30'' W
84.73'
N
0
5
°
1
3
'
1
6
'
'
E
1
5
0
.
7
6
'
S
0
7
°
5
2
'
1
0
'
'
W
6
6
.
8
2
'
M
O
R
T
O
N
S
T
.
(
6
0
'
R
.
O
.
W
.
)
CAMBRIDGE OVAL
(80' R.O.W.)
JESSAMINE ST.
(60' R.O.W.)
(AS PER PLAT LOS ANGELES ST.)
C1
L
1
L2
L
3
(
D
E
E
D
)
L
4
(
F
.
M
.
)
L5
L6
D
R
A
I
N
A
G
E
D
R
A
IN
A
G
E
D
R
A
I
N
A
G
E
DR
AIN
AG
E
DAVID R. STEPHENS &
SHANNON F. STEPHENS
CALLED 0.182 ACRES TRACT
(VOL. 6018, PG. 312)
PRESTON F. FOSTER &
LISA M. FOSTER
CALLED 0.147 ACRES TRACT
(VOL. 8597, PG. 1921)
EXISTING
UTILITY POLE
FND.
1/2''
I.R.
FND.
1/2''
I.R.
FND.
1/2''
I.R.
P.O.B.
0.39 ACRES
93
94
9
7
98
100
101
102
103
EGG
EXISTING
UTILITY POLE
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
26'
12'-3"
LEVEL 01 - A1.3 / LEVEL 02 - A1.4
LEVEL GARAGE - A1.11
LIVE OAK
RED OAK
CREAP MYRTLE
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
H20
H20
H20
H2
0
H2
0
H2
0
H2
0
H2
0
H2
0
H2
0
H2
0
H2
0
H2
0
WATER
HYDRANT
H20
H20
H20
H20
H20
H20
H20
H20
H20
H20
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
GAS GAS GAS GAS GAS GAS GAS GAS GAS GAS GAS GAS GAS GAS GAS GAS GAS GAS GAS GAS
100
101
102
103
99
99
99
98
97
96
95
94
9
3
99'-6"
99.5'
96'-6"
96.5'
COMPRESSOR
COMPRESSOR
COMPRESSOR
PROPOSED
GARAGE
F.F. 95.25
96'-9"
96.75'
RED OAK
RED OAK
RED OAK
LIVE OAK
LIVE OAK
2
1
6
5
4
3
AREA CALCULATIONS
PROJECT INFORMATION
MAIN HOUSE
1st FLOOR
2nd FLOOR
TOTAL
PORCH
GARAGE
TOTAL
TOTAL S.F.
OVERALL TOTAL CONDITIONED
LOT AREA
LOT COVERAGE %
AVERAGE GRADE
4193 S.F.
1830 S.F.
6023 S.F.
347 S.F.
884 S.F..
1231 S.F.
7254 S.F.
4754 S.F.
17169 S.F.
33.39%
98
PAVING LEGEND
HOUSE FOOTPRINT
GRASS/LANDSCAPING
CONCRETE
WATER
LEGEND
EXISTING TREE E E E ELECTRICAL LINE
SS SS SS SEWER LINE
H20 H20 H20 WATER LINE
CAT5 CAT5 DATA LINE
GAS GAS GAS GAS LINE
CURVE RADIUS ARC LENGTH CHORD LENGTH CHORD BEARING DELTA ANGLE
C1 248.00' 133.32' 131.72'' S 63°11'42'' E 30°48'00''
LINE BEARING DISTANCE
L1 S 10°50'07''W 17.78'
L2
L3
N 79°09'53''W 1.32'
S 13°53'43''W 40.13'
L4 S 11°46'49''W 40.71'
L5 SOUTH 3.21'
L6 N 32°50'00''W 45.15'
TOPOGRAPHY LEGEND
EXISTING TOPOGRAPHY
PROPOSED TOPOGRAPHY
ABANDONED TOPOGRAPHY
PROPERTY ADDRESS
LEGAL DESCRIPTION
BEING
820 Cambridge Oval
Alamo Heights, TX 78209
.3941 ACRES (17,169 SQ.FT.)
BEING LOT 1 OF BLOCK 46, C.B. 4024
IN THE CITY OF Alamo Heights
BEXAR COUNTY, TEXAS 78209
PORCH
1 RED OAK
2 CREAP MYRTLE
3 RED OAK
4 RED OAK
5 LIVE OAK
6 LIVE OAK
*** THERE ARE NO PLANS TO REMOVE
ANY EXISTING TREES
A1.1
Site
Plan
XX
2121
North
Main
Avenue
San
Antonio,
Texas
78212
(210)
735-9722
Don
McDonald,
Architect
AIA
Ltd.
Cain
Residence
02/17/2022
820
Cambridge
Oval
San
Antonio,
TX
78209
Scale:
1 Site Plan
1/8"=1'-0"
North
Plan
North
Attachment A

9. 95
96
99
93
94
97
98
100
101
102
103
:12
3
:12
3
:
1
2
3
:12
3
:12
3
:12
3
:
1
2
3
DOWNSPOUT
DOWNSPOUT
DRAIN VENT PIPES DRAIN VENT PIPES
2
1
2
THROUGH WALL SCUPPER
1
GUTTER
M
O
R
T
O
N
S
T
.
CAMBRIDGE OVAL
JESSAMINE ST.
HOOD VENT EXHAUST
DRAIN VENT PIPE
THROUGH WALL SCUPPER
THROUGH WALL SCUPPER
DOWNSPOUT GUTTER
ROOF PLAN LEGEND:
TPO
1
STANDING SEAM METAL
1
A1.2
Floor
Plan
XX
2121
North
Main
Avenue
San
Antonio,
Texas
78212
(210)
735-9722
Don
McDonald,
Architect
AIA
Ltd.
Cain
Residence
02/17/2022
820
Cambridge
Oval
San
Antonio,
TX
78209
North
Plan
North
Scale:
1 Roof Plan
1/8"=1'-0"
Attachment A

10. 124'-0''
TOP OF PLATE
110'-6"
FINISHED FLOOR
100'-0"
FINISHED FLOOR
119'-6"
TOP OF PLATE
109'-2"
TOP OF BEAM
100'-0"
FINISHED FLOOR
124'-0''
TOP OF PLATE
119'-6"
TOP OF PLATE
AVERAGE GRADE
98
AVERAGE GRADE
98
LOOMING EXEMPTION PER SECTION 3-19 (2)A4
FACING MORTON ST.
PRO
PER
TY
LIN
E
12'
SETBACK
L
O
O
M
I
N
G
H
E
I
G
H
T
STANDING SEAM METAL ROOF
LIMESTONE RUBBLE LIMESTONE RUBBLE
CEDAR SHINGLE
124'-0''
TOP OF PLATE
110'-6"
FINISHED FLOOR
100'-0"
FINISHED FLOOR
119'-6"
TOP OF PLATE
124'-0''
TOP OF PLATE
119'-6"
TOP OF PLATE
AVERAGE GRADE
98
AVERAGE GRADE
98
100'-0"
FINISHED FLOOR
110'-6"
FINISHED FLOOR
LOOMING EXEMPTION PER SECTION 3-19 (2)A4
FACING JESSAMINE ST.
LOOMING EXEMPTION PER SECTION 3-19 (2)A4
FACING CAMBRIDGE OVAL
STANDING SEAM METAL ROOF
LIMESTONE RUBBLE
LIMESTONE RUBBLE
LIMESTONE RUBBLE
A2.1
Exterior
Elevations
JT
2121
North
Main
Avenue
San
Antonio,
Texas
78212
(210)
735-9722
Don
McDonald,
Architect
AIA
Ltd.
Cain
Residence
02/17/2022
820
Cambridge
Oval
San
Antonio,
TX
78209
Scale:
1 West Elevation
1/4"=1'-0"
Scale:
2 North Elevation
1/4"=1'-0"
Attachment A

11. 124'-0''
TOP OF PLATE
119'-6"
TOP OF PLATE
124'-0''
TOP OF PLATE
110'-6"
FINISHED FLOOR
119'-6"
TOP OF PLATE
109'-2"
TOP OF BEAM
AVERAGE GRADE
98'-0"
OPEN TO
PORCH
100'-0"
FINISHED FLOOR
100'-0"
FINISHED FLOOR
AVERAGE GRADE
98'-0"
PROPERTY
LINE
12'
SETBACK
L
O
O
M
I
N
G
H
E
I
G
H
T
LOOMING EXEMPTION PER SECTION 3-19 (2)A4
FACING MORTON ST.
STANDING SEAM METAL ROOF
LIMESTONE RUBBLE
LIMESTONE RUBBLE
LIMESTONE RUBBLE
CEDAR SHINGLE
124'-0''
TOP OF PLATE
110'-6"
FINISHED FLOOR
100'-0"
FINISHED FLOOR
119'-6"
TOP OF PLATE
124'-0''
TOP OF PLATE
110'-6"
FINISHED FLOOR
100'-0"
FINISHED FLOOR
119'-6"
TOP OF PLATE
109'-2"
TOP OF BEAM
AVERAGE GRADE
98
AVERAGE GRADE
98
LOOMING EXEMPTION PER SECTION 3-19 (2)A4
FACING CAMBRIDGE OVAL
LOOMING EXEMPTION PER SECTION 3-19 (2)A4
FACING JESSAMINE ST.
STANDING SEAM METAL ROOF
LIMESTONE RUBBLE
CEDAR SHINGLE
LIMESTONE RUBBLE
A2.2
Exterior
Elevations
XX
Scale:
1 East Elevation
1/4"=1'-0"
Scale:
2 South Elevation
1/4"=1'-0"
2121
North
Main
Avenue
San
Antonio,
Texas
78212
(210)
735-9722
Don
McDonald,
Architect
AIA
Ltd.
Cain
Residence
02/17/2022
820
Cambridge
Oval
San
Antonio,
TX
78209
Attachment A

12. STANDING SEAM METAL ROOF
AVERAGE GRADE
98'-0"
PROPERTY
LINE
12'
SETBACK
LOOMING
HEIGHT
FINISHED FLOOR
CEDAR SHINGLE
95' - 1/4"
105' - 2"
107' - 4 1/4"
TOP OF BEAM
TOP OF BEAM
:12
3 :12
3
AVERAGE GRADE
98'-0"
FINISHED FLOOR
TOP OF BEAM
TOP OF BEAM
CEDAR SHINGLE
108' - 10 1/4"
107' - 4 1/4"
105' - 2"
95' - 1/4"
STANDING SEAM METAL ROOF
TOP OF RIDGE
AVERAGE GRADE
98'-0"
CEDAR SHINGLE
STANDING SEAM METAL ROOF
FINISHED FLOOR
95' - 1/4"
105' - 2"
107' - 4 1/4"
TOP OF BEAM
TOP OF BEAM
:12
3
:12
3
AVERAGE GRADE
98'-0"
STANDING SEAM METAL ROOF
CEDAR SHINGLE
FINISHED FLOOR
TOP OF BEAM
TOP OF BEAM
TOP OF RIDGE
108' - 10 1/4"
107' - 4 1/4"
105' - 2"
95' - 1/4"
105' - 2"
TOP OF BEAM
107' - 4 1/4"
TOP OF BEAM
FINISHED FLOOR
95' - 1/4"
105' - 2"
TOP OF BEAM
107' - 4 1/4"
TOP OF BEAM
FINISHED FLOOR
95' - 1/4"
A2.3
Garage
Elevations
XX
2121
North
Main
Avenue
San
Antonio,
Texas
78212
(210)
735-9722
Don
McDonald,
Architect
AIA
Ltd.
Cain
Residence
02/17/2022
820
Cambridge
Oval
San
Antonio,
TX
78209
Scale:
1 North Elevation
1/4"=1'-0" Scale:
2 East Elevation
1/4"=1'-0"
Scale:
3 South Elevation
1/4"=1'-0" Scale:
4 West Elevation
1/4"=1'-0"
Scale:
6 Building Section
1/4"=1'-0"
Scale:
5 Building Section
1/4"=1'-0"
Attachment A

13. Attachment B