capital improvement projects overview
TRANSCRIPT
Capital Improvement Projects Overview
FY 2021-2025
2 New Braunfels Utilities
TABLE OF CONTENTS
ELECTRICSystem Extensions ......................................................................3
Kohlenberg Substation and Transmission ...............................3
Electric Aging Infrastructure and Pole Replacements ...........3
Sheriff’s Posse T1/T2 and Sheriff’s Posse Feeders ...................3
E.C. Mornhinweg T2 and Feeders ..............................................3
WATERSurface Water Treatment Plant Expansion ..............................4
Avery Park 30-Inch Water Main ................................................4
2.5-MG Bretzke Storage Tank and 24-inch Bretzke Waterline ....4
Weltner Road Ground Storage Tank and Pump Station .........4
Grandview Pump Station Expansion ........................................4
WASTEWATERGruene Wastewater Treatment Plant Relocation and Expansion to the Gruene Water Reclamation Facility ...........5
North and South Kuehler Rehabilitation ..................................5
McKenzie Water Reclamation Facility Expansion ...................5
McKenzie 33-Inch Interceptor Upgrade....................................5
North Kuehler 30, 33, and 42-Inch Interceptor Upgrade .......5
PLANNING FOR THE FUTUREMap of Projects ...................................................................... 6–7
Capital Improvement Projects Overview
INTRODUCTION
New Braunfels Utilities (NBU) has an aggressive
capital improvement projects plan to build
and enhance necessary infrastructure over
the next five years to meet the needs of a
growing community. As New Braunfels and the
NBU service territory continue to experience
unprecedented growth, NBU has committed to
more than $563 million in capital improvement
projects. This will ensure we are well prepared
to meet the electric, water, and wastewater
needs of our customers for decades to come.
While there are 122 capital improvement projects
in progress and/or being planned, the following
pages provide a high-level overview of NBU’s
key projects.
3Capital Improvement Projects Overview FY 2021-2025
ELECTRIC – CAPITAL IMPROVEMENT PROJECTSTop Five Financial Investments, High-Level Overview
System Extensions – $20.2M
These annual expenditures provide service to accommodate system growth. In FY
2021, NBU estimates electric meter connections to increase by 2.2 percent. It is
estimated that three miles of distribution overhead primary will be added and 22
miles of underground distribution will be added. Specific System Extensions include
those within Veramendi, Vintage Oaks, Solms Landing, and many other developments.
Electric Aging Infrastructure and Pole Replacements – $19.1M
This pair of ongoing projects consists of replacing aging infrastructure within the
system. Utility poles, overhead wire, pad-mounted equipment, and underground
cable are included and bring NBU infrastructure up to current standards upon
completion. In particular, newer and technologically superior materials are
anticipated to have a greater lifespan and duty cycle. For example, new underground
cable is designed for a minimum 40-year service life. Critical utility poles are
designed for a minimum 80-year service life.
Kohlenberg Substation and Transmission – $10.6M
New Braunfels Utilities has identified the need for additional transmission and
distribution feeder capacity along FM 1101, near Kohlenberg Road. Growth within
the region includes that of Heatherfield subdivision, the Government Land Office
(GLO) property, and adjacent industrial load. The substation would require a 3.2
mile transmission extension by NBU, and a backside transmission extension by
LCRA TSC in order to provide looped redundancy. The substation would be master-
planned for two power transformers and up to six distribution feeders.
Sheriff’s Posse T1/T2 and Sheriff’s Posse Feeders 13 – $6.6M
To serve anticipated growth along the southeast side of the IH-35 corridor
from FM 1103 to Schmidt Road, NBU is planning to upgrade and replace two legacy
and underrated substation power transformers (PWTs). The existing PWTs are
rated 12/16/20MVA and are insufficient to serve increased growth. Both PWTs
are to be replaced with 20/26.6/33.3MVA capacity. In addition, the substation 138kV
side will be upgraded to a high-reliability ring bus, which effectively eliminates
any single point of failure within the substation. The substation is also master-
planned for a third PWT in the future. New Braunfels Utilities also plans to extend
one new distribution feeder to serve several expanding and newly proposed residential
developments, including Morningside Trails and Morningside Hills.
E.C. Mornhinweg T2 and Feeders 21 and 22 – $5.7M
To serve new commercial and industrial growth along the northwest side
of the IH-35 corridor from FM 1103 to Loop 337, NBU is planning to add a second
Power Transformer at the E.C. Mornhinweg Substation. The substation 138kV
side will be upgraded to a ring bus. Two new feeders are to be immediately
extended from E.C. Mornhinweg, one to the east and one to the west, in order to
serve new growth and provide increased distribution reliability and switching
capacity to the region.
Vintage Oaks System Extension
T1/T2/T3 Feeders
Pole Maintenance
Sheriff's Posse Feeders
E.C. Mornhinweg Feeders
4
WATER – CAPITAL IMPROVEMENT PROJECTSTop Five Financial Investments, High-Level Overview
Surface Water Treatment Plant Expansion - Water Supply Facilities – $38.8M
The current Surface Water Treatment Plant (SWTP) has a design capacity of 8.0 MGD.
This project will double the plant size for a total capacity of 16.0 MGD. This plant
expansion will allow NBU to treat all its Canyon Reservoir water and will increase
NBU’s ability to divert and treat a greater amount of its run-of-river rights. This project
is necessary to meet peak demand and to serve future growth in the community.
Avery Park 30-Inch Water Main – $15.8M
Improvements include replacing portions of the existing 8/10/12‐inch water lines
along Highway 46 from Interstate 35 to Weltner Road, and the existing eight‐inch
line along Weltner Road from Highway 46 to the existing Avery elevated storage
tank (EST). The project was initially proposed as a 20-inch water main; however,
it has been upsized during design to primarily a 30-inch water main in an effort to
accommodate the proposed Weltner Pump Station. Project completion will provide
increased transmission capacity to Avery EST and additional capacity to serve
future growth in the eastern portion of the Downtown Pressure Zone (PZ).
The project will ensure NBU has the capacity to serve the Downtown PZ with
the new water supplies from Seguin and Guadalupe-Blanco River Authority (GBRA).
3.0 MG Bretzke EST and 24-inch Bretzke Waterline – $11.9M
This project installs a 3.0 MG ground storage tank near the intersection of
Bretzke Lane and FM 306 serving the Downtown PZ as elevated storage and will
include a new 24-inch line from the site of the proposed tank to the future 30-inch
SWTP Discharge Line along Gruene Road. Projects include replacing the existing
12-inch line along Hunter Road, and decommissioning the existing Bretzke Phase 1
ground storage tank. These improvements will provide additional elevated storage
capacity and improve operations in the Downtown PZ. In the first phase of the
project, Bretzke was converted from the Kohlenberg PZ to an independent
PZ with a higher hydraulic grade, which increases pressure.
Weltner Road Ground Storage Tank and Pump Station – $10.8M
Project objectives include building the first of two phases of a pump station with
ground storage facilities scheduled to receive and integrate new water supplies
into the east side of the NBU water system. New Braunfels Utilities has currently
identified 10,000 acre-feet of water supply that will be delivered to this pump
station by 2023 with the first portions of that water coming on as early as fall
2020. Phase 1 of this pump station includes a 1.5 million gallon ground storage
tank to receive the entire 10,000 acre-feet of water supply, a 10 MGD pump station,
and the purchase of a site capable of expanding to a 20 MGD facility.
Grandview Pump Station Expansion – $6.4M
The expansion of this station will provide necessary pumping capacity from Well #4 and
additional storage capacity during peak demand due to the postponement of the Trinity
Expansion. The project includes replacement of the existing 0.2 MG ground storage tank with
a new 1.20 MG ground storage tank. Pump station improvements at the Grandview Pump
Station site, and pump upgrades at Well #4 to a capacity of 4,000 Gallons Per Minute (gpm).
New Braunfels Utilities
SWTP Expansion
Avery Park Water Main
Bretzke Waterline
Rendering of Weltner Road Project
Rendering of Grandview Pump Station Expansion
5
WASTEWATER – CAPITAL IMPROVEMENT PROJECTSTop Five Financial Investments, High-Level Overview
Gruene Wastewater Treatment Plant Relocation and Expansion – $58.1M
This project will expand the capacity of the Gruene Wastewater Treatment Plant
and relocate the plant out of the floodplain. Phase 1 will be constructed within
the scope of this project and will have a capacity of 2.5 MGD. The project will
include odor control, sewer transfer pipe from the existing plant to the new plant,
abandonment of the existing plant, abandonment of a lift station, and construction
of a sewer transfer pipe from Blieders Creek.
North and South Kuehler Rehabilitation – $46.3M
The project includes replacing existing aeration equipment, walkways, and gates in
all aerations basins except the new basins at South Kuehler, replacing the existing
clarifiers including the addition of a submerged effluent launder system at South
Kuehler, replacing all existing blowers at North and South Kuehler, replacing the
existing Motor Control Centers (MCC) in the sludge pump buildings, replacing the
MCC in the admin building at South Kuehler, rehabilitation of the existing buried
Return Activated Sludge (RAS) piping at South Kuehler, replacing the existing
drain return pumps at North Kuehler, addition of a new digester blower at North
Kuehler, replacing the existing screening and grit treatment structures at both
plants with a new common headworks with screens, aerated grit chambers,
lift station, and elevated flow split structure, and constructing a new access road
from FM-725 and a private vehicular traffic bridge across the North tributary.
McKenzie Water Reclamation Facility Expansion – $43.6M
This project includes expansion of the Biological Nutrient Removal (BNR)
treatment process from 2.5 MGD to 5 MGD, including: construction of new flow
splitter box, expansion of headworks facilities, construction of new biological
treatment basins, construction of new secondary clarifiers, expansion of tertiary
filters, expansion of UV disinfection equipment, expansion of aerobic digestions,
expansion of solids dewatering system, and construction of new electrical
equipment, site piping, and miscellaneous site civil improvements. This project
will provide additional treatment capacity for future growth in the McKenzie basin.
McKenzie 33-Inch Interceptor Upgrade – $35.0M
A new 30-inch interceptor replacing the northern portion of the existing 21 and
24-inch interceptors conveying flow to the McKenzie Water Reclamation Facility.
This project will provide additional capacity to serve new growth.
North Kuehler 30, 33, and 42-Inch Interceptor Upgrade – $31.6M
A new 30-inch and 33-inch diameter sewer line will be constructed to replace
an existing 21-inch and 27-inch sewer line in the North Kuehler-7 and North
Kuehler-9 drainage basins. Two aerial crossings will be rehabilitated to carry a
larger pipe and a siphon that will be constructed to cross the Guadalupe River.
The existing interceptors are near capacity during peak wet weather flows.
The project will provide additional capacity for growth in the North Kuehler basin.
Capital Improvement Projects Overview FY 2021-2025
Gruene Water Reclamation Facility
Kuehler Rehabilitation
McKenzie Water Reclamation Facility
Interceptor Upgrade
Interceptor Upgrade
6
FM 1863
FM 3009
FM 306
IH 3
5 N
FM 311
FM 725
FM 2673
DR
REB
UH
FM 482
FM 1101
RIV
ER
RD
IH 35 S
STATE HWY 46 W
FM 1044
FM 2722
FM 758
FM 2252
FM 3159
FM 1102
E EVANS RD
LINK RD
GREEN VALLEY RD
LOOP 337
FM 1103
FM 78
STATE HWY 46 S
YOUNGSFORD RD
MARIO
N RD
CREEK RD
DR A
SS
OR
AB
RAB
QUAIL RUN
SCHO
ENTH
AL R
D
WALD RD
PIEPER RD
STATE HWY 46 N
UNION W
INE R
D
BECK
RD
W K
LEIN
RD
ALTW
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N LOOP 1604 E
BAT CAVE RD
CORDOVA RD
HUNTER RD
LANDA ST
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CR
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KRUEGER CANYO
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ALVES LN
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HOFFMANN LN
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SAUR LN
LONE OAK RD
SUN
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LLE
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LEE S
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BUNKER ST
LOOKOUT RD
WATSON LN E
LOST TRL
WEGNER R
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S SEGU
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MORNINGSIDE DRCO
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IH 10 W
CAMBRIDGE DR
RIVER C
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ATO
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POST RD
COPPER TRACE
MAR
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UT AVE
DEAN RD
SUMMIT DR
FM 483
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SIERR
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AIRPORT RD
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D
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SATTLER RD
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SMITHSON VALLEY RD
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RAMBLE RDG
RIEBER RD
EWALD R
D
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HT FO
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MARBACH LN
FRANCIS H
ARRIS LN
FALLEN OAK
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MISSION VALLEY RD
OLD BASTROP RD
KROESCHE LN
CO
PPE
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IM
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CREEKWO
OD PASS
ECKH
ARD
T RD
DEDEKE DR
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DIRETTO DR
REBECCA RANCH
LAS B
RISAS B
LVD
HAVENWOOD BLVD
PECAN ST
RANGE RDH
ARR
ISO
N R
D
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SHOOTING S
TAR
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APPALACHIAN TRL
ACORN DR
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D
NO
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GE
FM 24
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SARAH
BLUE PT
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NOR-TEX DR
OVERHILL S
T
RU
SCH
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HER
ITAG
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IH 3
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C o m a lC o m a l
G u a d a l u p eG u a d a l u p e
PLANNING FOR THE FUTURE
SYSTEM EXTENSIONS – $20.2M
ELECTRIC AGING INFRASTRUCTURE AND POLE
REPLACEMENTS – $19.1M
NORTH AND SOUTH KUEHLER REHABILITATION – $46.3M
GRUENE WASTEWATER TREATMENT PLANT RELOCATION
AND EXPANSION – $58.1M
NORTH KUEHLER 30, 33, AND 42-INCH INTERCEPTOR
UPGRADE – $31.6M
E.C. MORNHINWEG T2 AND FEEDERS 21 AND 22 – $5.7M
New Braunfels Utilities
LegendNBU Electric Service Territory
NBU Water Boundary
NBU Wastewater Boundary
New Braunfels Utilities
is investing in 122 capital
improvement projects.
The following highlighted
projects represent those
that are currently in
design or in progress for
FY 2021–2025.
7
FM 1863
FM 3009
FM 306
IH 3
5 N
FM 311
FM 725
FM 2673
DR
REB
UH
FM 482
FM 1101
RIV
ER
RD
IH 35 S
STATE HWY 46 W
FM 1044
FM 2722
FM 758
FM 2252
FM 3159
FM 1102
E EVANS RD
LINK RD
GREEN VALLEY RD
LOOP 337
FM 1103
FM 78
STATE HWY 46 S
YOUNGSFORD RD
MARIO
N RD
CREEK RD
DR A
SS
OR
AB
RAB
QUAIL RUN
SCHO
ENTH
AL R
D
WALD RD
PIEPER RD
STATE HWY 46 N
UNION W
INE R
D
BECK
RD
W K
LEIN
RD
ALTW
EIN LN
N LOOP 1604 E
BAT CAVE RD
CORDOVA RD
HUNTER RD
LANDA ST
REB
EC
CA
CR
EE
K R
D
KRUEGER CANYO
N
RUST
WEIL RD
ALVES LN
E COMMON ST
HOFFMANN LN
MER
LOT
E ZIPP R
D
CIB
OLO
VIS
TA
SEAY LN
SAUR LN
LONE OAK RD
SUN
VA
LLE
Y D
R
DR
ES
OLZRA
WH
CS
LEE S
T
BUNKER STLOOKOUT RD
WATSON LN E
LOST TRL
WEGNER R
D
KATY ST
ELM CREEK RD
S SEGU
IN AVE
MORNINGSIDE DRCO
YOTE R
UN
IH 10 W
CAMBRIDGE DR
RIVER C
HASE DR
PURG
ATO
RY R
D
POST RD
COPPER TRACE
MAR
Y BL
VDS WALN
UT AVE
DEAN RD
SUMMIT DR
FM 483
BRETZKE LN
SIERR
A DR
KOEHLER RD
AIRPORT RD
CANY
ON
BEN
D
DOERR LN
HANGING
OAK
ORION DR
DR
NO
SNA
WS
SATTLER RD
COLUMBIA
COLLEEN DR
SMITHSON VALLEY RD
OSO ARROYO
DERBY WAY
RAMBLE RDG
RIEBER RD
EWALD R
D
RIG
HT FO
RK
MARBACH LN
FRANCIS H
ARRIS LN
FALLEN OAK
EDWARDS BLVD
MISSION VALLEY RD
OLD BASTROP RD
KROESCHE LN
CO
PPE
R R
IM
FIELD RD
CREEKWO
OD PASS
ECKH
ARD
T RD
DEDEKE DR
ROCK ST
LAR
IAT RD
G
WOODLAKE DR
HILL AVE
DIRETTO DR
REBECCA RANCH
LAS B
RISAS B
LVD
HAVENWOOD BLVD
PECAN ST
RANGE RD
HAR
RIS
ON
RD
BOGEN RD
SHOOTING S
TAR
RIPPLE WAY
APPALACHIAN TRL
ACORN DR
C.O
.E. R
D
NO
RTH
RID
GE
FM 24
39
SARAH
BLUE PT
COPPER CREST
BUCK TRL
NOR-TEX DR
OVERHILL S
T
RU
SCH
LN
HER
ITAG
E O
AKS
SCHMUCKS RD
EASY ST LARK LNBELL ST
TRIPLE PEAK DRFOX
HIL
L
IH 35 N
DR
REB
UH
IH 35 N
FM 78WEIL RD
IH 3
5 N
IH 35 S
C o m a lC o m a l
G u a d a l u p eG u a d a l u p eAuthor: John David AmaroSystems ControlDate: 3/7/2019
KOHLENBERG SUBSTATION AND TRANSMISSION – $10.6M
GRANDVIEW PUMP STATION EXPANSION – $6.4M
AVERY PARK 30-INCH MAIN – $15.8M
SHERIFF’S POSSE T1/T2 AND SHERIFF’S POSSE
FEEDERS 13 – $6.6M
WELTNER ROAD GROUND STORAGE TANK AND
PUMP STATION – $10.8M
SURFACE WATER TREATMENT PLANT EXPANSION - $38.8M
MCKENZIE 33-INCH INTERCEPTOR
UPGRADE – $35.0M
MCKENZIE WATER RECLAMATION FACILITY EXPANSION – $43.6M
3.0 MG BRETZKE EST AND 24-INCH BRETZKE
WATERLINE – $11.9M
Capital Improvement Projects Overview FY 2021-2025
For more information visit, nbutexas.com/planning-for-the-future-of-new-braunfels/
08.20.2020