EAST 16 TH AVENUE STORM INTERCEPTOR PROJECT Public Meeting - PowerPoint PPT Presentation

EAST 16 TH AVENUE STORM INTERCEPTOR PROJECT Public Meeting September 5, 2018 5:30 – 7:00 PM

AGENDA • Introductions • Review of Upper Montclair Stormwater Systems Study • East 16 th Avenue Storm Interceptor Project • Open House and Questions EAST 16 TH AVENUE STORM INTERCEPTOR PROJECT EAST 16 TH AVENUE STORM INTERCEPTOR PROJECT

Study Area LOWER MONTCLAIR PARK HILL BASIN BASIN UPPER MONTCLAIR BASIN

Significant Flooding Locations Significant Flooding Locations – Denver PW COMMUNITY REPORTS

1623 DAHLIA STREET

Understanding the Basin

History of a Past Creek Colorado Blvd Monaco Pkwy Colfax Ave Geologic Map of Greater Denver Area, 1979 – USGS via Enginuity

Managing Stormwater North Denver Brick Sewer Construction, 1920s – Denver Public Library

49% of the b basi sin i is i s impervious s 187 879 / 9 / 3 380 807 acres

Identified Investigations POLICIES PROJECTS PARTNERSHIPS

GREEN STREETS STRATEGY 16 TH AVE FOCUS AREA

16TH AVENUE AREA COM OMMUNI UNITY G Y GOA OALS PRIMARY GOALS (ST (STUDY DY-WIDE IDE) • Re Reduce se severi rity ty and nd fre frequenc ncy of of fl flood ooding ng • Imp Improv rove w wate ter q r quality ty COMPLEMENTARY NEIGHBORHOOD GOALS • Re Reduce imp mperv rviou ous su surfa rfaces w with thin th n the ne neighbor orhood od • Show owcase se gre reen i n infra nfrastru structu ture re proj rojects w ts with thin th n the ne neighbor orhoo ood • Inc Incre rease se e educati tion on and nd aware rene ness of of stormw stormwate ter i r issu ssues a and nd mi miti tigati tions ons • Main aintain ain n neigh eighborhood char arac acter er an and aes aesthet etic ics • Find co d co-bene nefi fits, ts, sl slow ow tra traffi ffic sp speeds a and nd enc ncou oura rage w walki king ng or or biki king ng • Enc Encou oura rage h home omeowne ners to to purc rchase se ra rain n barre rrels or s or ma mate teri rials

GREEN SPACES STRATEGY COM OMPONENT PONENTS RA RAIN B BARREL RRELS S & RAIN GA RA GARD RDEN ENS S GR GREEN EEN GR GREEN EEN LARG RGE HOM OMEOW EOWNER ER & C & COMMU MMUNITY TY ALLE LLEYS YS STREETS STR EETS PROPER PR PERTY TY STRA ST RATEGI EGIES ES DEM EMOS OS CONV NVER ERSI SIONS NS

BEFORE

AFTER

Green Infrastructure Strategies/Benefits/Community Preferences B C A PERMEABLE STREETS GREEN ALLEYS TREE LAWN BIOSWALES E D F MIDBLOCK BULB-OUTS CORRIDOR PROJECTS INTERSECTION BULB-OUTS

Schedule

PROJECT STUDY AREA EAST 16 TH AVENUE STORM INTERCEPTOR PROJECT

ALTERNATIVE EVALUATION EAST 16 TH AVENUE STORM INTERCEPTOR PROJECT

EXISTING GAS 16-INCH LOW PRESSURE GAS LINE EAST 16 TH AVENUE STORM INTERCEPTOR PROJECT

EXISTING FIBER CENTURY LINK FACILITY EAST 16 TH AVENUE STORM INTERCEPTOR PROJECT

EXISTING WATER 24-INCH 16-INCH WATER LINE WATER MAIN EAST 16 TH AVENUE STORM INTERCEPTOR PROJECT

EXISTING SANITARY 26 INCH x 39 INCH SANITARY SEWER 27-INCH SANITARY SEWER EAST 16 TH AVENUE STORM INTERCEPTOR PROJECT

EXISTING STORM 22 FT x 11 FT STORM SEWER 27-INCH TO 51-INCH 13 FT x 6 FT STORM SEWER STORM SEWER 14 FT x 9 FT STORM SEWER 78-INCH STORM SEWER EAST 16 TH AVENUE STORM INTERCEPTOR PROJECT

SELECTED ALIGNMENT EAST 16 TH AVENUE STORM INTERCEPTOR PROJECT

EXTRA STORM CAPACITY EXISTING 51-INCH PROPOSED 9 FT X 8 FT STORM SEWER STORM SEWER EAST 16 TH AVENUE STORM INTERCEPTOR PROJECT

PROJECT SCHEDULE EAST 16 TH AVENUE STORM INTERCEPTOR PROJECT