1 La Pata Avenue Gap Closure and Camino Del Rio Extension American Society of Civil Engineers March 15, 2011 Harry Persaud, AICP, PMP.

1

La Pata Avenue Gap Closure and Camino Del Rio Extension

American Society of Civil EngineersMarch 15, 2011

Harry Persaud, AICP, PMP

2

Project Location

3

Project Location

4

Project Background

La Pata Avenue included on Orange County Master Plan of Arterial Highways (MPAH) since 1963

La Pata and Camino Del Rio shown on City of San Clemente General Plan since 1982 and Talega and Forster Ranch Specific Plans

The existing La Pata Avenue built in the 1970s as a "dead-end" landfill access road

Project initiated in 2005. Three years of coordination with City and resident groups resulted in an alignment responding to concerns of proximity, light and glare, and aesthetics.

5

Project Location

6

Project Purpose and Objectives

Implement Orange County MPAH, Circulation Elements of San Clemente and San Juan Capistrano, and Specific Plans for Talega and Forster Ranch

Provide north/south access for local traffic

Improve access to schools, commercial areas, and recreational amenities

Improve emergency access

Reduce Vehicle Miles Traveled (VMT) and greenhouse gas emissions

7

Project Purpose and Objectives(continued)

Facilitate local inter-community circulation

Provide increased network capacity to support the forecast travel demand for the 2035 design year

Minimize impacts to utility transmission infrastructure

Minimize impacts to existing residential land uses

Minimize impacts to the natural environment

8

Proposed Project Alignment

9

Proposed Project

Widen La Pata Avenue from three to five lanes from Ortega Highway to the existing road terminus at the Prima Deshecha Landfill (PDL) – a distance of 9,600 feet

Construct four new lanes from the existing PDL terminus to Calle Saluda – a distance of 10,100 feet

Extend Camino Del Rio, as a four-lane roadway, from its existing terminus to the proposed Avenida La Pata – a distance of 1,700 feet

Estimated Total Cost: $77,368,000

10

Proposed Project Lighting will be provided along Camino Del Rio, on La Pata between

Calle Saluda and Camino Del Rio, and on La Pata north of the landfill entrance to the project limits.

Sidewalks will extend along Camino Del Rio to La Pata and on the west side of La Pata from Calle Saluda to Camino Del Rio and from Vista Montana north to the project limits.

Bike lanes will be provided along both La Pata and Camino Del Rio. San Clemente’s off-road bike path east of La Pata will be extended north to the city limits.

The roadway project requires grading of 9 million cubic yards. 3 million cubic yards are required to balance the roadway. The remaining 6 million cubic yards are required to stabilize a large landslide complex. All earthmoving is balanced on site.

11

Alternatives

12

Environmental Issues Addressed Aesthetics

(Views) Air Quality

(including Green House Gases)

Biological Resources Cultural Resources Geology and Soils

(landslides)

Hydrology and Water Quality

Hazards and Hazardous Materials

Land Use and Planning Noise Public Services and

Utilities Recreation

(Multi-use Trails)

Traffic and Circulation

13

Engineering Challenges and Solutions Community Impacts Electric Transmission Facilities Prima Deshecha Landfill Geology Water Quality

14

Design Challenges & Solutions Talega Community Workshops Horizontal & Vertical Alignment Refinements 7% Grade Design Deviation Berms to reduce visual impacts Forster Ranch Trailhead parking La Pata Trail Over-crossing Rubberized Asphalt to Reduce Noise Impacts

15

Electric Transmission Facilities Solution Early Coordination Workshops with SDG&E

and SCE 7% Grade Design Deviation Tower relocation Plan Coordinated with

SDG&E Facility Access Plans Incorporated into

Design

16

Prima Deshecha Landfill Solution Design Addresses Existing Access Requirements to

Zone 1 Design Addresses Future Access Requirements to

Zone 4 Three Bridge Structures eliminate need for

signalized intersection access Grade separations will maintain access to and

between Zone 1 and Zone 4

17

Landslides in Project Area

18

Landslide C Remediation Concept

9 million c.y. removal 2 million c.y. buttress fill 3 million c.y. to balance

roadway grading 4 million c.y.

recompaction consistent with landfill general development plan

9 million c.y. Excavation

2 million c.y.Buttress Fill

19

Geotechnical Solutions Identified Remediation Concepts to assure

construction feasibility Remediation Plan to accommodate roadway

construction and landfill operations Remediation Concept to balance earthwork on

site.

20

Water Quality Solutions Six water quality basins to provide load

reductions and detain runoff Bio-retention planter boxes proposed in

constrained right of way areas

21

Significant Unavoidable Impacts Traffic:

2016 – I-5 Northbound ramps/Avenida Pico and I-5 Northbound direct on-ramp from Crown Valley Parkway

2035 Without SR-241 Scenario – I-5 Northbound ramps/Avenida Pico Improvements currently being planned and funded by M2 will reduce

impacts.

Air Quality: Construction Emissions – CO, ROC, NOX, PM10, and PM2.5

Contributions to regional air quality thresholds Localized Impacts – Worst Case Assumptions

Noise: Increased traffic on Camino Del Rio forecast to exceed 65 dBA at 6 modeled locations Several 4-foot noise walls are recommended and will reduce

significant impacts.

22

Visual Simulation Near Calle Gaulteria

Existing

With Roadway

23

Visual Simulation onForster Ranch Ridgeline Trail

Existing

With Roadway

24

Aesthetics – Cross Sections

25

26

27

28

29

Traffic - Study Area

30

2016 Daily Traffic Volume

Without Project With Project

4

3353

282

39

136

5133

38

274

31

2035 Daily Traffic VolumeWithout SR-241

Without Project With Project

59

38

278

41

3135

64

38

54

336

32

2035 Daily Traffic VolumeWith SR-241

Without Project With Project

294

43

2851

5

5129

8 15291

41

33

Vehicle Miles of Travel A Comparison of daily vehicle miles travelled

(VMT) within the study area shows the following reductions as a result of the project.

Scenario VMT

2016 - 30,758

2035 Without SR-241 - 71,531

2035 With SR-241 - 29,115

34

Noise – Monitored Locations

35

Proposed Noise Mitigation (Del Rio)

36

Projected Traffic Noise Levels

37

Recreation

38

EIR Process

NOP

Public & Agency Review and Comment

Public & Agency Review and Comment

Public & Agency Review

Draft EIR

Final EIR

EIR Certification

Scoping Meeting Public Meeting San Clemente and County Planning

Commission Hearings

County Board of Supervisors

Meeting

Prepare Technical Studies

39

Community Outreach San Juan Capistrano Transportation Commission – November 10 at 6:00 p.m.

Mission Viejo City Council Briefing – November 15, 2010 at 6:00 p.m.

San Juan Capistrano City Council Briefing – November 16, 2010 at 6:30 p.m.

San Clemente Planning Commission Briefing – November 17, 2010 at 7:00 p.m.

Public meeting – November 18, 2010 at 7:30 p.m.

Ladera Ranch Civic Council Briefing – November 22, 2010 at 7:00 p.m.

Forster Ranch HOA meeting – December 7, 2010 at 6:00 p.m.

San Clemente Planning Commission Hearing – December 8, 2010 at 7:00 p.m.

40

Project ScheduleNotice of Preparation (NOP) November 10, 2009

(30 day review period)

Publish Notice of Availability (NOA)

and Public Circulation of DEIR

November 3, 2010

(45 day review period)

DEIR Comment Period Closes December 17, 2010

Prepare Final EIR March, 2011

County Planning Commission Hearing April, 2011

County Board of Supervisors Hearing

FEIR Certification New RFP (NEPA) and (Design)

April, 2011

Design 2011-2012

ROW, Permits, Funding (Road, RMV, M2 State Federal)

2011-2012

Construction 2013-2015

41

Questions?