UPPER SLIDE RAVINE WORKSHOP

City of Grass Valley

September 29, 2009September 29, 2009

AgendaAgendaUpper Slide Ravine Infrastructure Upper Slide Ravine Infrastructure

Study WorkshopStudy Workshop

I.I. Welcome & IntroductionsWelcome & Introductions

II.II. Review of State Grant and Review of State Grant and What It Can DoWhat It Can Do

III.III. Results of Preliminary Results of Preliminary Engineering StudyEngineering Study

IV.IV. Question and Comment Period Question and Comment Period

Upper Slide Ravine Infrastructure Upper Slide Ravine Infrastructure Study WorkshopStudy Workshop

IntroductionsIntroductionsCity Staff:City Staff:

Tony Clarabut, Fire ChiefTony Clarabut, Fire ChiefJoe C. Heckel, Community Development Joe C. Heckel, Community Development DirectorDirectorTim Kiser, Public Works Director/City Tim Kiser, Public Works Director/City EngineerEngineerTom Last, Planning DirectorTom Last, Planning DirectorJeri Amendola, Housing/Econ Jeri Amendola, Housing/Econ Development SpecialistDevelopment Specialist

TLA Consultant TeamTLA Consultant TeamTerry Lowell, President, TLA Engineering Terry Lowell, President, TLA Engineering & Planning& PlanningKeone Kauo, P.E., TLA Engineering & Keone Kauo, P.E., TLA Engineering & PlanningPlanning

Upper Slide Ravine Upper Slide Ravine Infrastructure Study Infrastructure Study

WorkshopWorkshopII.II. Review of State Grant and What Review of State Grant and What It Can DoIt Can Doa.a. Why a Grant for this Area?Why a Grant for this Area?

--Obtained funds based on needs of Obtained funds based on needs of area and desire area and desire for City services by for City services by residents residents b.b. Amount and Time Frame of Amount and Time Frame of Grant FundsGrant Funds

--Approx. $400,000 for const. Start by Approx. $400,000 for const. Start by June 2010June 2010c. c. Review of Study Area and Review of Study Area and PrioritiesPriorities

--Identify priorities and base Identify priorities and base infrastructureinfrastructured.d. Review Work Effort by TLA (with Review Work Effort by TLA (with focus on focus on improving public safety)improving public safety)

--Identify and engineer baseline Identify and engineer baseline improvementsimprovements

List of Immediate Priorities and List of Immediate Priorities and Challenges Challenges

PrioritiesPriorities• Water / Fire ProtectionWater / Fire Protection. Upgrade . Upgrade

water system to improve fire flow and add water system to improve fire flow and add hydrantshydrants

• Storm DrainageStorm Drainage.. Extend storm Extend storm drainage system to minimize street drainage system to minimize street drainage problems and floodingdrainage problems and flooding

• Wastewater.Wastewater. Extend sewer service to Extend sewer service to unserved area.unserved area.

• Road ImprovementsRoad Improvements. Improve for . Improve for emergency accessemergency access

ChallengesChallenges• Funding limits: what can be accomplished Funding limits: what can be accomplished

in short-term in short-term • Road repair required with underground Road repair required with underground

utilitiesutilities• Need to improve emergency access into Need to improve emergency access into

area – Involves discussion with adjacent area – Involves discussion with adjacent neighborhoodsneighborhoods

Upper Slide Ravine Upper Slide Ravine Infrastructure Study WorkshopInfrastructure Study Workshop

III.III. Results of Preliminary Results of Preliminary EngineeringEngineering

a. Existing Conditions & Future a. Existing Conditions & Future ChallengesChallenges

b. Findings of Engineering Studyb. Findings of Engineering Studyc. Immediate and Future c. Immediate and Future

PrioritiesPrioritiesd. Recommended Alternatived. Recommended Alternative

Existing Sanitary Sewer Existing Sanitary Sewer FacilitiesFacilities

Twelve (12) Twelve (12) properties served properties served by septic tank / by septic tank / leach fields in arealeach fields in area

Existing sewer Existing sewer main in Carol main in Carol Drive and upper Drive and upper Doris Drive have Doris Drive have adequate capacity adequate capacity to serve this areato serve this area

Existing Storm Drainage Existing Storm Drainage FacilitiesFacilities

Area has minimal Area has minimal underground underground storm drainage storm drainage systemsystem

Area mostly drains Area mostly drains by surface flow by surface flow north to south north to south

Centerville flume Centerville flume installed; will serve installed; will serve as connection for as connection for future storm future storm drainagedrainage

Existing Water FacilitiesExisting Water Facilities

Existing Street ConditionsExisting Street Conditions

Primary access Primary access route, Doris and route, Doris and Carol Drives via N. Carol Drives via N. Church StreetChurch Street

Approximately Approximately 2900’ unpaved 2900’ unpaved road surface & road surface & 1300’ of paved 1300’ of paved surfacesurface

Road widths vary Road widths vary between 10 to 22 between 10 to 22 feetfeet

Existing Street Conditions Existing Street Conditions (cont.)(cont.)

Bernice Drive Doris Drive

Hazel Lane

June Drive

Helen Lane Carol Drive

Proposed Phased Proposed Phased Infrastructure PlanInfrastructure Plan

1.1. Install new water main down Doris Drive Install new water main down Doris Drive to provide greater fire flow through area to provide greater fire flow through area and add fire hydrantsand add fire hydrants

2.2. Install an underground storm drainage Install an underground storm drainage system along with a water quality device system along with a water quality device to alleviate current flooding problems and to alleviate current flooding problems and street deterioration in the area. street deterioration in the area.

3.3. Extend existing City sanitary sewer system Extend existing City sanitary sewer system to properties currently served by septic to properties currently served by septic tank/leachfield systems on the southerly tank/leachfield systems on the southerly portion of the project site.portion of the project site.

4.4. Repair existing street system following Repair existing street system following installation of underground utilities. installation of underground utilities.

Proposed Water Facilities – On Proposed Water Facilities – On SiteSite

Installation of Installation of new water new water main down main down Doris Drive to Doris Drive to provide provide greater fire greater fire flow through flow through the project the project area and add area and add fire hydrants.fire hydrants.

Proposed Storm Drainage Proposed Storm Drainage FacilitiesFacilities

Installation of an Installation of an underground underground storm drainage storm drainage system and storm system and storm water treatment water treatment facility to facility to alleviate current alleviate current flooding flooding problems and problems and street street deterioration.deterioration.

Proposed Sanitary Sewer Proposed Sanitary Sewer FacilitiesFacilities

Extension of Extension of existing City existing City sanitary sewer sanitary sewer system to system to properties properties currently served currently served by septic by septic tank/leachfield tank/leachfield systems in the systems in the southerly southerly section.section.

Proposed Street RestorationProposed Street Restoration

Repair and Repair and stabilize stabilize roadway roadway sections where sections where underground underground utilities are to utilities are to be installed.be installed.

Emergency Evacuation/Access Emergency Evacuation/Access RouteRoute

Street system does Street system does not provide for not provide for adequate evacuation adequate evacuation of residents and of residents and simultaneous access simultaneous access by emergency by emergency services services

Limited funding Limited funding precludes addressing precludes addressing in current phasein current phase

Route shown is Route shown is conceptual conceptual alignment of a alignment of a primary evacuation primary evacuation corridor corridor

ACCESS AND CIRCULATIONACCESS AND CIRCULATION

ISSUES - HOW TO ADDRESS?ISSUES - HOW TO ADDRESS?• Access into & out of Study Area is a safety Access into & out of Study Area is a safety

concernconcern• Potential to create added cut-through Potential to create added cut-through

traffic traffic • Other adjacent neighborhoods will need Other adjacent neighborhoods will need

to be involvedto be involved• Need to determine road widths and obtain Need to determine road widths and obtain

ROWROW• Not sufficient funding available to fix road Not sufficient funding available to fix road

systemsystem

FUTURE STEPSFUTURE STEPS• Wish to separate discussion on emergency Wish to separate discussion on emergency

access options at separate workshop with access options at separate workshop with other neighborhoodother neighborhood

• Consultant is retained to facilitate Consultant is retained to facilitate workshop on alternative access options – workshop on alternative access options – within 45 dayswithin 45 days

• Access options to be tied to infrastructure Access options to be tied to infrastructure plan for USRplan for USR

• City will pursue funding to phase in City will pursue funding to phase in access impts access impts

Upper Slide Ravine Upper Slide Ravine Infrastructure Study Infrastructure Study

WorkshopWorkshopQuestions and Comment PeriodQuestions and Comment Period

a.a. Questions/CommentsQuestions/Comments

b.b.Next StepsNext Steps-Finalize Infrastructure Plan-Finalize Infrastructure Plan-Present to City Council - -Present to City Council - November 2009November 2009-Conduct community meeting on -Conduct community meeting on access access -Prepare engineering plans – bid -Prepare engineering plans – bid processprocess-Need contract executed by June -Need contract executed by June 20102010

Upper Slide Ravine Upper Slide Ravine Infrastructure Study Infrastructure Study

WorkshopWorkshopThank you for your participation!Thank you for your participation!

Questions on this program can be Questions on this program can be directed to:directed to:

Jeri Amendola, Housing/Economic Jeri Amendola, Housing/Economic SpecialistSpecialist

530-274-4714530-274-4714

UPPER SLIDE RAVINE WORKSHOP

City of Grass Valley

September 29, 2009September 29, 2009