Item 7 - Staff ReportCase No.
ZA24-0066
S T A F F R E P O R T
January 3, 2025
CASE NO: ZA24-0066
PROJECT: Site Plan for Southlake Medical Office Building at 451 E. S.H. 114
EXECUTIVE
SUMMARY: Castle Development Group, on behalf of LandPlan Development Corporation, is
requesting approval of a Site Plan for Southlake Medical Office Building at 451
E. S.H. 114, on property described as Lot 2R, Block 1, Southlake Medical District,
an addition to the City of Southlake, Tarrant County, Texas. Current Zoning: “S-
P-2” Generalized Site Plan District. SPIN Neighborhood #7.
DETAILS: The applicant is requesting approval of a Site Plan for an approximately 32,000
sq. ft., 3-story free-standing medical office building. This property is part of the
zoning change and concept plan (ZA07-052) for Southlake Regional Medical
Center (now Methodist Southlake Medical Center), which was approved by City
Council on July 17, 2007. The approved zoning and concept show up to a 6-
story, 90,000 sq. ft. medical office building for this site.
ACTION NEEDED: 1) Conduct a public hearing
2) Consider approval of a Site Plan
ATTACHMENTS: (A) Background Information
(B) Vicinity Map
(C) Revised Site Plan Review Summary No. 2, dated January 3, 2025
(D) Surrounding Property Owners Map and Responses
Applicant Narrative
Plans
Presentation
STAFF CONTACT: Dennis Killough (817) 748-8072
Case No. Attachment A
ZA24-0066 Page 1
BACKGROUND INFORMATION
OWNER: LandPlan Development Corporation (Southlake Land Holdings LP)
APPLICANT: Castle Development Group
PROPERTY SITUATION: 451 E. S.H. 114
LEGAL DESCRIPTION: Lot 2R, Block 1, Southlake Medical District
LAND USE CATEGORY: Mixed Use
CURRENT ZONING: “S-P-2” Generalized Site Plan District
HISTORY: -A plat for the Brightbill Addition was filed of record prior to annexation
into the City.
-"SF-1A" zoning was placed on a portion of the subject property with
approval of Comprehensive Zoning Ordinance No. 480 on September 19,
1989.
-A zoning change and concept plan (ZA07-052) from “AG” Agricultural
and “SF-1A” Single Family Residential to “S-P-2” Generalized Site Plan
was approved by City Council on July 17, 2007.
-A site plan (ZA08-080) for Phase I was approved by City Council January
20, 2009.
-A site plan (ZA11-058) to add a four-level parking structure and to
relocate the emergency room entrance and the facilities service yard was
approved by City Council December 6, 2011.
-A site plan (ZA21-0016) for an above ground detention pond to replace
the original underground detention structure was approved June 15,
2021.
-A site plan (ZA21-0050) to add a one-story, approximately 6,000 square
foot addition to the existing hospital for an expansion to the emergency
department and to provide new nuclear medicine facilities was approved
on August 17, 2021.
-A zoning change and concept/site plan (ZA21-0075) from “S-P-2”
Generalized Site Plan District to “S-P-2” Generalized Site Plan District to
allow an oxygen tank enclosure for a tenant in the medical office building
on Lot 3R located at 431 E. S.H. 114. as an accessory use on Lot 2R
located at 451 E. S.H. 114. The zoning change and concept/site plan
was approved on October 19, 2021.
PATHWAYS
MASTER PLAN: The Pathways Master Plan shows an 8-foot plus, multi-use trail along the
south side of E. State Highway 114 and a <6-foot sidewalk along the north
side of E. Highland Street. Both the trail and sidewalk were constructed
with Phase 1 of the hospital.
UTILITIES: There is a 12” public water line along E. SH 114 and E. Highland St. and
an 8” public water line internal to the site that will supply a 2” service
connection to the building and a 1” service connection for irrigation. There
is a 12” public sewer line along E. SH114 and an 8” internal public sewer
line that a 4” sanitary sewer service will connect to for the building.
Case No. Attachment A
ZA24-0066 Page 2
DRAINAGE: The site drains to the north into the E. SH114 system and to the east into
a detention structure for the Southlake Methodist Medical campus.
TREE PRESERVATION: No protected trees are proposed to be altered for the construction of the
proposed addition.
CITIZEN INPUT: A SPIN Meeting was held on August 13, 2024 and a Corridor Planning
Committee Meeting was held on June 5, 2024.
PLANNING AND ZONING
COMMISSION ACTION:
CITY COUNCIL ACTION:
STAFF COMMENTS: Attached is Site Plan Review Summary No. 2, dated January 3, 2025.
Although the proposed pad site deviates slightly from the orientation of
this building as shown on the approved Concept Plan under the “S-P-2”
Zoning of Ord. 480-527, as amended, the zoning regulations and concept
plan specifically permits modifications through approval of a Site Plan.
The Site Plan shows a “Future TxDOT driveway by other” in anticipation
of TxDOT’s need to relocate the existing driveway connection to E.
SH114 frontage roadway in association with TxDOT highway
improvements, including ramp reversals.
Case No. Attachment B
ZA21-0016 Page 1
Case No. Attachment C
ZA24-0066 Page 1
SITE PLAN REVIEW SUMMARY
Case No.: ZA24-0066 Review No.: Two Date of Review: 1/03/25
Project Name: Site Plan – 451 E. State Highway 114
OWNER: ENGINEER:
Doug C. Mousel Skylar Lyle, P.E.
5850 Granite Parkway, Suite 100
Plano, Tx 75024
Phone: 214-618-3811 Phone: 214-310-3118
Email: DMousel@landplan.net Email: SLyle@BHBInc.com
CITY STAFF HAS REVIEWED THE ABOVE REFERENCED PROJECT RECEIVED BY THE CITY ON
12/20/2024 AND WE OFFER THE FOLLOWING STIPULATIONS. THESE STIPULATIONS ARE
HEREBY MADE CONDITIONS OF SITE PLAN APPROVAL UNLESS SPECIFICALLY AMENDED BY
THE CITY COUNCIL. IF YOU HAVE ANY QUESTIONS OR NEED FURTHER CLARIFICATION,
PLEASE CONTACT DENNIS KILLOUGH (817) 748-8072.
1. Provide the north & east elevations of the building.
Tree Conservation/Landscape Review
TREE CONSERVATION COMMENTS:
* Only existing development landscape plant material is proposed to be removed. No protected
trees are proposed to be altered for the construction of the proposed addition.
LANDSCAPE COMMENTS:
1. The minimum required interior landscape plant material is not provided and within the Interior
Landscape Summary Chart the “Required” minimum required interior landscape area and plant
material calculations are incorrect. The minimum required interior landscape area and plant
material calculations are based on 50% of the proposed building footprint area, 5,486 square
feet.
3. Some of the parking landscape islands contain only one (1) accent tree. All parking planter
islands in parking areas shall contain a minimum of one (1) canopy tree with the remaining area
in shrubs, ground cover, ornamental grasses or seasonal color. Planter islands which have light
poles for lighting the parking areas may substitute two (2) understory/accent trees for the
required canopy tree.
* Indicates informational comment.
# Indicates required items comment.
E-mail: kmartin@ci.southlake.tx.us
Keith Martin
Landscape Administrator
Phone: (817) 748-8229
Case No. Attachment C
ZA24-0066 Page 2
Public Works/Engineering Review
GENERAL COMMENTS:
* Retaining walls greater than 4’ in height, measured from the top of wall to bottom of footing, will
require a separate building permit.
UTILITY COMMENTS:
* Be aware that the domestic and irrigation meters shall be located within a dedicated water
easement.
DRAINAGE COMMENTS:
* The I-values listed in the most current version of the ISWM manual have since been updated
since the original drainage design for this development. Please be sure to use the most current
I-values.
*=Denotes informational comment that don’t need to be addressed until Civil Construction Submittals.
Sandra Endy, P.E.
Development Engineer
Phone: (817) 748-8033
E-mail: sendy@ci.southlake.tx.us
Case No. Attachment C
ZA24-0066 Page 3
Fire Department Review
GENERAL COMMENTS:
The required backflow protection (double check valve) for the sprinkler systems can be located
on the riser if the riser is within 100 feet of the water main, measured linearly along the length
of the pipe. If the riser is further than 100 feet from the main, the double check valve shall be
in a vault. Riser rooms shall be a minimum of 5’X5’ if the double check is located in a vault, or
a minimum of 6’X6’ if it is located on the riser. (Label riser room location to determine
termination point of riser piping, and indicate size of the riser rooms)
The Fire Department Connection for the sprinkler system must be within 100 feet of a fire
hydrant, and within 50 feet of fire department fire lanes on the property.
In buildings exceeding 10,000 square feet in area per story and where any portion of the
building’s interior areas is more than 200 feet of travel, vertically and horizontally, from the
nearest point of fire department vehicle access, Class I automatic wet or manual wet
standpipes shall be provided.
FIRE LANE COMMENTS:
Fire apparatus access needs to be an all-weather surface, asphalt or concrete, 24 feet wide
and able to support the imposed loads of fire apparatus. (Minimum of 85,000 pounds GVW)
and be within 250 ft hose-lay distance of all portions of a sprinklered building.
Fire lanes require a minimum 30 foot inside turn radius and a minimum 54 foot outside turn
radius.
FIRE HYDRANT COMMENTS:
Fire hydrants are required at a maximum spacing of 500 feet for commercial locations with
completely sprinkled buildings. (All existing hydrants not indicated)
Lorenzo Chavez
Fire Marshal
Phone: (817) 748-8671
E-mail: lchavez@ci.southlake.tx.us
Case No. Attachment C
ZA24-0066 Page 4
General Informational Comments
* No review of proposed signs is intended with this site plan. A separate building permit is required
prior to construction of any signs.
* All mechanical equipment must be screened of view from right-of-ways and residential
properties in accordance with the Zoning Ordinance No. 480, as amended.
* All lighting must comply with the Lighting Ordinance No. 693, as amended.
* All development must comply with the Drainage Ordinance No. 605 and the Erosion and
Sediment Control Ordinance No. 946, as amended.
* Development must comply with all requirements in Zoning Ordinance No. 480, Section 43,
Overlay Zones.
* Although the proposed pad site deviates slightly from the orientation of this building as shown
on the approved Concept Plan under the “S-P-2” Zoning of Ord. 480-527, as amended, the
zoning regulations and concept plan specifically permits modifications through approval of a Site
Plan. The Site Plan shows a “Future TxDOT driveway by other” in anticipation of TxDOT’s need
to relocate the existing driveway connection to E. SH114 frontage roadway in association with
TxDOT highway improvements, including ramp reversals.
Case No. Attachment D
ZA24-0066 Page 1
SURROUNDING PROPERTY OWNERS MAP & RESPONSES
Owner Zoning Physical Address Acreage Response
1 SPE SOUTHLAKE MOB LP SP2 431 E SH 114 2.238663555 NR
2 GAHC3 SOUTHLAKE TX HOSPITAL LL SP2 421 E SH 114 3.763285899 NR
3 MGC-SL 555 E STATE HWY LAND LL B2 555 E SH 114 1.230945377 NR
4 MILNER LIMITED PARTNERSHIP AG 555 E HIGHLAND ST 10.54168004 NR
5 J G J INC AG 651 E HIGHLAND ST 49.98567198 NR
6 METHODIST HOSPITALS OF DALLAS SP2 401 E SH 114 1.853860902 NR
1000 SOUTHLAKE LAND HOLDINGS LP SP2 451 E SH 114 2.646903779 U
Responses: F: In Favor O: Opposed To U: Undecided NR: No Response
Notices Sent: Seven (7)
Responses received: None