Hillway Final Presentation for the Green Mobility Challenge
19
RECREATING COMMUNITY by maximizing connectivity PRESENTED BY Aan Garrett-Coleman Coleman and Associates Ricardo Zamarripa LJA Engineering
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Transcript of Hillway Final Presentation for the Green Mobility Challenge
RECREATING COMMUNITY by maximizing connectivityPRESENTED BY
Aan Garrett-ColemanColeman and Associates
Ricardo ZamarripaLJA Engineering
GOALSTHE OAK HILLWAY
RECREATECommunity by Maximizing Mobility
RECONNECTGateways, Multi-use Trails, and New Parkway
RESTOREWilliamson Creek and create New Open Space
RALLY
Public Support
OAK HILL HISTORYTHE PAST
THE GATEWAYSCONNECTING THE COMMUNITY “AT GRADE”
OAK HILL SPRINGS (1876) at Scenic Brook
OATMANVILLEat FM 1826
CONVICT HILLat Convict Hill Road
THE “Y”at 290 and 71
SHILOHat William Cannon
WILLIAMSON CREEKat Patton Ranch Road
Naming each Gateway reinforces Oak Hill’s historic past, provides sub-neighborhood identity, and provides sense of place.
USE UNDERPASSES AS GATEWAYSRECONNECTING TO THE HEART OF OAK HILL
OAK HILL PARKWAYCONNECTING 290 TO 71
SETON HOSPITAL
NEW OPENSPACE
OAK HILL NEIGHBORHOODS
OAK HILL NEIGHBORHOODS
FREESCALEOAK HILL
PLAZA
ACC
WEST PARKPUD
OAK HILL PARKWAYRECONNECTING THE HEART OF OAK HILL
OAK HILL PARKWAYCONNECTING 290 TO 71
SETON HOSPITAL
NEW OPENSPACE
OAK HILL NEIGHBORHOODS
OAK HILL NEIGHBORHOODS
FREESCALE
OAK HILL PLAZA
ACC
WEST PARKPUD
Recreate a strong urban core in Oak Hill.
OAK HILL TOWN CENTERRECREATING THE HEART OF OAK HILL
ENGINEERINGHIGHLIGHTS OF THE OAK HILLWAY
•WATER QUALITY & QUANTITY
•WILLIAMSON CREEK RELOCATION
•LED LIGHTING
WATER QUALITY & QUANTITYRELOCATE | RESTORE | REVITALIZE
PFC•INCREASED VISIBILITY DURING RAIN EVENTS
•INCREASED SKID RESISITANCE
•NOISE REDUCTION
VEGETATIVE FILTER STRIPS
GRASSY SWALE LINEAR DETENTION
TSS REMOVALREQUIRED – 80%
ACTUAL – 87%
BIOFILTRATION
•REDUCES CONSTRUCTION & MAINTENANCE COSTS
WATER QUANTITYCURRENT SCHEMATIC VS. OAK HILLWAY
EXISTING CONDITION
CURRENT SCHEMATIC
OAK HILLWAY
0
100
200
400
300
600
500
600 700 800 900
PRE-EXISTING CONDITION
TIME (S)
FLO
W (
CF
S)
WILLIAMSON CREEKRELOCATE | RESTORE | REVITALIZE
CURRENT SCHEMATIC
•LEAVES CREEK IN PLACE
•PORTIONS IN PERMANENT SHADE
OAK HILLWAY
•RELOCATES CREEK
•FLEXIBILITY IN DESIGN & REDUCES COST
•MEANDERING CREEK
•NATIVE VEGETATION & LIMESTONE
•RECREATIONAL OPPORTUNITIES
WILLIAMSON CREEKRELOCATE | RESTORE | REVITALIZE
FROM THIS
TO THIS
WILLIAMSON CREEK TODAY
EXAMPLE OF RESTORED CREEK IN AUSTIN AREA
WILLIAMSON CREEKRELOCATE | RESTORE | REVITALIZE
ADDITIONAL STORAGE
100-YEAR FLOW
ENERGY REDUCTIONTHE OAK HILLWAY
OPERATIONS• UP TO 80% ENERGY SAVINGS OVER
CONVENTIONAL LIGHTING
MAINTENANCE• LED LASTS 15 – 20 YEARS
• CONVENTIONAL REPLACED EVERY TWO YEARS
LED LIGHTING
COST EFFECTIVETHE OAK HILLWAY
COST EFFECTIVENESS SAVINGS
CHANNEL REALIGNMENT $6,000,000
WATER QUALITY IMPROVEMENTS $350,000
SUBTOTAL: $6,350,000
LED LIGHTING $650,000
WATER QUALITY IMPROVEMENTS $1,000,000
SUBTOTAL: $1,650,000
TOTAL COST SAVINGS (over 10 years): $8,000,000
CONSTRUCTION COSTS
OPERATION & MAINTENANCE (10 YEARS)
CLOSINGHIGHLIGHTS OF THE OAK HILLWAY
RECREATE and RECONNECT The Oak Hill Community.
RESTORE Williamson Creek.
RALLYPublic Support.
