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J a n u a r y 2 0 , 2 0 1 6S O U T H P L A T T E R I V E R - U R B A N W A T E R W A Y S R E S T O R A T I O N S T U D Y
0 ’0 ’ 3 0 0 ’ 6 0 0 ’M a x i m u m A l t e r n a t i v e - Yo r k S t r e e t t o 6 t h A v e n u e
HERBACEOUS WETLAND
RANDOM BOULDERS FOR FISH
FISH PASSAGE CHANNEL
TOP OF BANK
REGRADE POINT FOR FLOOD CONVEYANCE
RELOCATE SS INTERCEPTOR
NEW TOP OF BANKHERBACEOUS WETLANDS
RELOCATE SS INTERCEPTOR
PROPOSED BRIDGES
PROPOSED GLOBEVILLE LANDING PARK OUTFALL CHANNEL
LOWER HERBACEOUS WETLAND
OPEN CHANNEL WETLANDS
WETLANDS AT OUTFALL PIPE
NEW TOP OF BANK
HERBACEOUS WETLAND
HERBACEOUS WETLAND33RD OUTFALL
IMPROVED ACCESS POINTS
NEW TOP OF BANK
WETLAND/RIPARIAN
NEW LOW-FLOW CHANNEL (EXCAVATED) 40-45’ BOTTOM WIDTH, CHANNEL TOP WIDTH ≤75’
NEW TOP OF BANK
RELOCATE TROLLEY TRACKS
WETLAND/RIPARIAN
3’ DROP FOR POOL, RIFFLES TO TIE TO EXISTING RIVERBED
TIE TO EXISTING RIVERBED
WETLANDS
RELOCATED EXISTING 48” SS
EXISTING DAM REPLACED WITH FLASHBOARDS
EXTEND WHITEWATER
NEW TOP OF BANK, RELOCATE 48” SS AND 72” SS
NEW TOP OF BANK
HERBACEOUS WETLAND
WETLANDS/RIPARIAN
NEW LEVEE
WATER QUALITY POND AND WETLANDS AT (3) OUTFALLS
VMEANDER POOL, RIFFLE, DRO
PS (EXTEND EXISTING DROP)
RELOCATE 78” SS
WETLANDS
RELOCATE CANAL
RINGSBY COURT RE-ALIGN
PROPOSED CSU WATER RESOURCE
CENTER
LEGEND R iver
Up land R ipar ian
Wet land
Area Of R iver Widen ing
Low-Flow Channel
Wall
New Top of Bank
J a n u a r y 2 0 , 2 0 1 6S O U T H P L A T T E R I V E R - U R B A N W A T E R W A Y S R E S T O R A T I O N S T U D Y
0 ’0 ’ 3 0 0 ’ 6 0 0 ’M i n i m u m A l t e r n a t i v e - Yo r k S t r e e t t o 6 t h A v e n u e
WETLANDS/RIPARIAN
PROPOSED BRIDGES
PROPOSED GLOBEVILLE LANDING PARK OUTFALL CHANNEL
LOWER HERBACEOUS WETLAND
OPEN CHANNEL WETLANDS
LOWER EXISTING BENCHES TO CREATE HERBACEOUS WETLANDS
WALL
WALL TO OFFSET TOE STABILIZATION LEAVE EXISTING BENCH
WALL
HERBACEOUS WETLANDS LOWER BENCH
3:1 TOE3:1 TOE
3:1 TOE
WALL
3:1 TOE
LOWER TO WETLAND ELEVATION
LOWER TO WETLAND ELEVATION
WATER QUALITY PONDS AND WETLANDS AT OUTFALL
FISH PASSAGE CHANNELMEANDER POOL, RIFFLE, DROPS (EXTEND EXISTING DROP)
REGRADE POINT FOR FLOOD CONVEYANCE
OUTFALL WETLAND AREA
ADD WETLAND VEGETATION
RESTORED WETLAND
WHITE WATER
LOWER CHANNEL 40-50’ BW
ADD HERBACEOUS BENCH
NEW LOW-FLOW CHANNEL (EXCAVATED) 40-45’ BW
END CHANNEL LOWERING
3’ DROP FOR RIFFLES, POOLS TO TIE TO EXISTING RIVER BED
ADD VEGETATION, LOWER TO WETLAND ELEVATION
REPLACE FIXED DAM WITH FLASHBOARD
LEGEND R iver
Up land R ipar ian
Wet land
Area Of R iver Widen ing
Low-Flow Channel
Wall
New Top of Bank
J a n u a r y 2 0 , 2 0 1 6S O U T H P L A T T E R I V E R - U R B A N W A T E R W A Y S R E S T O R A T I O N S T U D Y
0 ’0 ’ 3 0 0 ’ 6 0 0 ’O p p o r t u n i t i e s a n d C o n s t r a i n t s - Yo r k S t r e e t t o 6 t h A v e n u e
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2-Way Street, Parallel Parking One SidePossible Removal
of Arkins Ct
Proposed Promenade
Possible Ringsby Ct Realignment
Taxi Community Garden
(public)
38th
Str
eet S
yste
m 5
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Fox
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FG
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PNor thwest Subarea In te rcep to r 100-y r Opt ion 144/72
34th Ave and L ipan St 114
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20th Ave Out fa l l 96
19th Ave Out fa l l 48
W Col fax Ave Improvements 84 o r 132 /84 100-y r A l t .
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W Col fax Ave Improvements 18
W 18th Ave Out fa l l 66
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2728
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Fairview School Community
Garden (public)
Family Crisis Center
Community Garden
(private)
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W M
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*No
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A
Burlington Canal Diversion
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1Rivers ide 108/72
Northside Park & Heron Pond•Existing park adjacent to the South Platte River•Potential to regrade the river bank.
2
National Western Complex•Proposed development to the National Western Complex
presents many opportunities along the South Platte River, including 10 acres of new open space along the river’s edge.
•Potential for district or regional scale water quality treatment facility along the river’s edge, Net Zero goals for water at full build out will lead to district or regional scale water quality solutions.
•Consolidation of rail lines to location shown on drawing. •Water quality requirements are met if the planned berm gets
constructed to cover the existing metro sanitary sewer lines.•Potential to coordinate efforts with design team.
1
Proposed CSU Water Resource Center/ National Western Complex•Potential to coordinate efforts with CSU’s Water
Resource Center and their future planned programs.
5
Globevil le Landing Park•Proposed re-development of the park includes
planned 100-year channel through the park by daylighting an existing stormwater outfall and river restoration, additional trails for access and potential to integrate access and river restoration.
•Potential to coordinate efforts with design team.
8
Washington Street Redevelopment•Globeville Neighborhood Plan identifies the area
between Washington Street and the South Platte River as a redevelopment opportunity.
•Modifications to the existing levee in this area have the potential to reduce flood risk.
•Potential for district or regional scale water quality treatment facility along the river ’s edge
•Potential to relocate sanitary sewer for multiple benefits.
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4 Emerson Street Parcel•Property acquisit ion, preserve edge to river
and park, and sell remaining parcel for redevelopment.
•Potential to coordinate efforts with design team.
Existing Levee System• Oppor tun i ty to reduce f loodp la in .7
Heller Open Space• Opportun i ty to day l ight ex is t ing 96” s tormsewer
p ipe and connect to the South Plat te River through an open channel .
• Potent ia l for expansion of ex is t ing park areas.
3
Arkins Court• Proposed deve lopment be tween Ark ins
Ct . and Br igh ton Bou levard , p rov ides the po ten t ia l to rea l ign Ark ins Ct .
• Poten t ia l fo r Ark ins Ct . to become nar rower and s l igh t l y sh i f t to the eas t .
14
Arkins Court Promenade • Proposed mod i f i ca t ions to Ark ins Ct .
inc lude re - rou t ing the road and c rea t ing a pedes t r ian on ly p romenade f rom 33rd S t . to 38 th /Wash ing ton S t ree t .
10
33rd Street Outfal l•Potential to incorporate water quality treatment at
the proposed 33rd Street outfal l .•Potential to coordinate efforts with design team.
13
Delgany/Denargo Development•Proposed improvements to the Delgany
Interceptor and potential pocket park/open space to connect to r iver.
•Potential to coordinate efforts with design team.
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Ready Mixed Batch Plant• Proper ty w i l l be deve loped.• Poten t ia l to coord ina te e f fo r ts w i th des ign
team.
9
River North Park•Proposed River North Park promotes greater
r iver access and bio-diversity.•Potential to coordinate efforts with design team.
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Future Pedestrian Bridge• Oppor tun i ty to inc rease access to and
across the South P la t te R iver.11
Commons Park•Existing park adjacent to the South Platte River• Poten t ia l to regrade the r i ve r to p rov ide fo r
in - r i ve r rec rea t iona l oppor tun i t ies . • The po ten t ia l fo r s to rmwater t rea tment
ex is ts due to the mu l t ip le la rge ou t fa l l s tha t day l igh t in the park ad jacent to the South P la t te R iver.
18
20th Street Viaduct• Oppor tun i ty fo r new low-grad ien t r i f f l es fo r
aquat ic hab i ta t .17
City of Cuernavaca Park• The ex is t ing South P la t te R iver ’s s lope i s
the most s ign i f i can t in th is s t re tch .• Poten t ia l to regrade the r i ve r to p rov ide fo r
in - r i ve r rec rea t iona l oppor tun i t ies . • The po ten t ia l fo r s to rmwater t rea tment
ex is ts due to the mu l t ip le la rge ou t fa l l s tha t day l igh t in the park ad jacent to the South P la t te R iver.
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13th & Zuni • Pr iva te deve loper i s in te res ted in connec t ing
p roposed deve lopment to the r i ve r.• Poss ib le eas t r i ve r edge t ra i l ex tens ion .
25
Elitch Gardens • There i s redeve lopment po ten t ia l a long the
r i ve r ’s edge o f the E l i t ch Gardens ’ p roper ty.22
Confluence Park• Ex is t ing park ad jacent to the South P la t te
R iver.• Proposed improvements inc lude improved
access to the r i ve r.• Improved wh i te water rec rea t ion .
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Fishback Park• Ex is t ing park ad jacent to the South P la t te
R iver.• Poten t ia l to re -g rade the r i ve r bank .
20
Stormwater Treatment Facil i ty• Proposed de ten t ion bas in w i th b io re ten t ion
to in te rcep t an ex is t ing 48” s to rm p ipe .• Poten t ia l to coord ina te e f fo r ts w i th des ign
team.
21
Platte Valley Trolley Tracks• Due to recent changes in ownersh ip o f
the t ro l ley t racks , there i s a po ten t ia l fo r re loca t ion .
• Poten t ia l to re -g rade the r i ve r bank .Poten t ia l to reduce f lood sp i l l .
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Crescent Park• Ex is t ing park ad jacent to the South P la t te
R iver.• Poten t ia l to re -g rade the r i ve r bank .
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Parking Lot At 7th & Alcott • Ex is t ing park ing lo t underused• Poten t ia l fo r land acqu is i t ion
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Weir Gulch Marina Park• Ex is t ing park tha t connec ts to the r i ve r• Tra i l improvements needed to connec t Wei r
Tra i l to the sou th
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Zuni Power Plant and Substation • Poten t ia l fo r land acqu is i t ion i f the ex is t ing
fac i l i t i es re loca te in the fu tu re• Poss ib le eas t r i ve r t ra i l ex tens ion
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Denver Water ’s “One Building”• Future s i te o f Denver Water admin is t ra t ion
bu i ld ing .• Poss ib i l i t y tha t bu i ld ing wou ld p roduce send
min ima l amounts o f add i t iona l water in to the South P la t te R iver dur ing the d ry season.
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Frog Hollow Park/CDOT EDB• Ex is t ing nar row park w i th s teep s lopes and
a new 23 ’ w ide t ra i l• Poten t ia l to regrade ex is t ing park
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Sun Valley Park• Future 8 -acre park p lanned a long the South
P la t te R iver. • Poten t ia l to coord ina te e f fo r ts w i th des ign
team
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O p p o r t u n i t i e s C o n s t r a i n t sN e i g h b o r h o o d P l a n R e c o m m e n d a t i o n s
• Wet lands a t R ivers ide Cemetery i s cons t ra ined by the Bur l ing ton Cana l .
• The South P la t te R iver has min ima l f low much o f the year due to the Bur l ing ton Cana l D ivers ion .
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2
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Sewer Line• Exis t ing sani tary sewer l ine running adjacent to
the South Plat te River.4
Heron Pond/Heller Open Space• L imi ted oppor tun i ty fo r pond expans ion due
to con tamina t ion .
Proposed North Metro Rail Bridge
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Numerous Bridges• Const ra in ts fo r fu tu re r i ve r mod i f i ca t ions .• With t im ing and proper coord ina t ion the
p roposed br idges can be des igned to accommodate fu tu re r i ve r mod i f i ca t ions .
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Ringsby Court• Ex is t ing R ingsby Cour t to remain .•It is unlikely that access to the river or additional
available land will occur in this area in the near future.
7
Proposed North Metro Rail Bridge8
Railroad Yard• Ex is t ing edges ad jacent to ra i l road yards
a re min ima l .• I t i s un l i ke ly tha t access to the r i ve r o r
add i t iona l ava i lab le land w i l l occur in th is a rea in the near fu tu re .
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Lincoln Park Light Industrial Zone• I so la ted a rea o f l i gh t indus t r ia l i s l i ke ly to
remain10
Neighborhood p lans w i th in Adams County have no t been rev iewed a t th is t ime.A
The 2015 E ly r ia & Swansea Ne ighbrhoods P lan recommends improv ing phys ica l access a t G lobev i l le Land ing Park
The 2015 E ly r ia & Swansea Ne ighbrhoods P lan iden t i f ied severa l ga teways a long the South P la t te R iver
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The 2003 R iver Nor th P lan recommends the vaca t ion o f Ark ins Cour t in some loca t ions to make way fo r new deve lopment w i th a d i rec t connec t ion to the r i ve r and the add i t ion o f open space.
The 2009 38 th and B lake S ta t ion Area P lan sugges ts tha t fu tu re deve lopment o f the a rea w i l l emphas ize i t s indus t r ia l her i tage , h is to r i c ne ighborhoods , and ensure access and prov ide enhancements to the P la t te R iver g reenway.
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The 2007 Denver Downtown Area P lan iden t i f ies mu l t ip le connec t ion po in ts to c ross the South P la t te R iver.
The 2007 Denver Downtown Area P lan iden t i f ies the South P la t te R iver as a ma jo r amen i ty fo r the C i ty.
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The 1991 Cent ra l P la t te Va l ley Comprehens ive P lan Amendment recogn izes the South P la t te R iver and Cher ry Creek as foc i o f the open space sys tem.
The 2005 Je f fe rson Park Ne ighborhood P lan recogn izes tha t i t i s a s t reng th fo r the Cu l tu ra l /Educat iona l Fac i l i t y D is t r i c t to be ad jacent to the South P la t te R iver.
The 2007 Denver Downtown Area P lan iden t i f ies mu l t ip le connec t ion po in ts to c ross the South P la t te R iver.
Zun i & Lower Co l fax Area i s a Cata ly t i c S i te in the 2013 South P la t te Cor r idor S tudy.
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L The 2010 La A lma/L inco ln Park Ne ighborhood P lan ca l l s fo r the 13 th Avenue b ike lane as a c r i t i ca l e lement to improv ing connec t i v i t y to the P la t te R iver Tra i l .
The 2010 La A lma/L inco ln Park Ne ighborhood P lan ca l l s fo r improved access and enhanced t ra i l connec t ions to the South P la t te R iver.
The 1991 Va lverde Ne ighborhood P lan recogn izes tha t the ne ighborhood ’s namesake is “g reen va l ley ” due to i t s p rox imi ty to the South P la t te R iver and the ne ighborhood wou ld l i ke to s t reng then i t s re la t ionsh ip to the r i ve r.
The 2003 Baker Ne ighborhood P lan Wish L is t o f Ne ighborhood Pro jec ts : Bu i ld ing be t te r connec t ions f rom the res iden t ia l ne ighborhood to the South P la t te R iver, espec ia l l y the g reenway on the wes t s ide . Th is may inc lude pedes t r ian and b icyc le b r idges over I -25 and the r i ve r.
M
N
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River Cor r idor Access
Water Access
In S t ream and R ipar ian Hab i ta t ( ie . R i f f les , Po in t Bars o r Benches)
Up land Hab i ta t
R iver f ron t Deve lopment
Water Qua l i t y
F lood R isk Reduc t ion
OPPORTUNITIES LEGEND RTD L igh t Ra i l S ta t ion (Proposed) RTD L igh t Ra i l S ta t ion (Ex is t ing) RTD Bus Stop Ne ighborhood Boundary
Ex is t ing Levee Ex is t ing Tro l ley Tracks Br idge Ex is t ing (P=Pedes t r ian Br idge) Br idge Proposed (P=Pedes t r ian Br idge)
Communi ty Garden
CITY OF DENVER DESIGNATED BIKE ROUTES O f f -S t ree t Reg iona l B ike Route On-St ree t / Shar row / S idewa lk B ike Route STORMWATER EXISTING AND PROPOSED CONDITIONS 0 ” -24” Ex is t ing S to rmwater Out fa l l s 24” -48” Ex is t ing S to rmwater Out fa l l s >48” Ex is t ing S to rmwater Out fa l l s Proposed Water Quality Treatment Areas Approximate Location of the
Proposed Outfal ls Based on the Denver Storm Drainage
Master Plan (Sept. 2014)
Proposed Out fa l l Name Size
L e g e n d