HomeMy WebLinkAboutWA-14-19City of Wheat Ridge Municipal Building 7500 W 29"' Ave,
Wheat Ridge, CO 80033-8001 P: 303,235.2846 F: 303.235.2857
Tyler Downs
Wazee Partners, LLC
2300 15th Street, Suite 425
Denver, CO 80202
MEMEREM
Please allow this letter to serve as confirmation that the Wheat Ridge Town Center North
Apartments — Site Plan Amendment No. I has been gpproved, The modified site plan has been
reviewed and approved by the Public Works and Community Development Departments.
The shift in the buildinj did rwuire a variance reliati -a-
Please feel free to be in touch with any additional questions.
9MEM
www-ci.wheatridge.co.us
AC
Lauren E. Mikulak, AICP
Senior Planner
www-ci.wheatridge.co.us
WHEREAS, an application for a variance was submitted for the property located at 7340 W. 44th
Avenue referenced as Case No. WA- 14-19 / TCN; and
WHEREAS, City staff found basis for approval of the variance, relying on criteria listed in Section
26-115 of the Wheat Ridge Code of Laws and on information submitted in the case file; and
WHEREAS, the Community Development Department has properly notified pursuant to Section
26-109 of the Wheat Ridge Code of Laws; and
WHEREAS, there were no registered objections regarding the application;
NOW THEREFORE, be it hereby resolved that a 2-foot variance from the 20-foot accessible aisle
length standard to allow an 18-foot accessible parking space and access aisle on property in the
Mixed Use-Commercial (MU-C) zone district (Case No. WA- 14-19 / TCN), is granted for property
located at 7340 W. 44' Avenue, based on the following findings of fact:
With the following conditions
I . The revised site plan sheet shall be appended to the plan set associated with the approved
building permit.
2. Prior to issuance of the Certificate of Occupancy, the subdivision plat shall be amended to
reflect the updated location of the detention easement.
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enne Johnston Date
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J sto Cp
C Deve pment Director
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TO:
CASE MANAGER:
CASE NO. & NAME
ACTION REQUESTED:
ty of
°at - I�id�ge
CITY OF WHEAT RIDGE
PLANNING DIVISION STAFF REPORT
Community Development Director
DATE: December 16, 2014
Lauren Mikulak
WA -14 -19 / TCN
Approval of a 2 -foot (10 %) variance to allow accessible parking spaces and
aisles that are 18 feet in length within a private parking lot
LOCATION OF REQUEST: 7340 W. 44th Avenue
APPLICANT (S): Town Center North Apartments, LLC
OWNER (S): Wheat Ridge Urban Renewal Authority
APPROXIMATE AREA: 60,815 square feet (1.396 acres)
PRESENT ZONING: Mixed Use - Commercial (MU -C)
PRESENT LAND USE: Vacant site
ENTER INTO RECORD:
(X) CASE FILE & PACKET MATERIALS
(X) ZONING ORDINANCE
Location Map
Site
JURISDICTION:
All notification and posting requirements have been met; therefore, there is jurisdiction to make an
administrative decision.
I. REQUEST
The applicant is requesting approval of a 2 -foot (10 %) variance to allow accessible parking spaces and
aisles that are 18 feet in length. The applicant, Town Center North Apartments LLC, is requesting the
variance as the prospective purchaser of 7340 W. 44th Avenue. The purpose of this request is to
accommodate a slight shift in the main building as required by HUD regulations and to avoid a
meandering sidewalk design.
Section 26 -115.0 (Variances and Waivers) of the Wheat Ridge City Code empowers the Director of
Community Development to decide upon applications for administrative variances from the strict
application of the zoning district development standards that are not in excess of fifty (50) percent of
the standard.
II. CASE ANALYSIS
Existing Conditions
The site is located on the south side of W. 44` Avenue between Upham and Vance Streets
(Exhibit 1, Aerial). The property is zoned Mixed Use - Commercial (MU -C) and is surrounded by a
variety of land uses. Properties to the west and south are also zoned MU -C and include the Panda King
restaurant and an 88 -unit, income- and age - restricted apartment building. Across Wadsworth to the
north are parcels zoned Commercial -One and Restricted Commercial with a variety of small retail and
service businesses. Immediately to the east is a lower density residential neighborhood zoned
Residential -Two (Exhibit 2, Zoning Map).
Proposed Redevelopment
A site plan for the subject property was recently approved on November 11, 2014 per Case No.
WSP- 14 -03, and a building permit was approved by the Zoning Division on December 1, 2014. The
proposed site plan represents a second phase of redevelopment in the area. The applicant previously
built the 88 -unit building to the south, and is proposing a four - story, 50 -unit senior apartment building
on the subject site. The approved site plan complies with all development standards in the mixed use
zoning in terms of site design, architecture, parking and landscaping.
Subsequent to the site plan approval in November, the applicant learned that the building would need to
be shifted because of requirements from the U.S. Department of Housing and Urban Development
(HUD). The developer, Wazee Partners, has been awarded federal low- income housing tax credits to
construct the project. As a HUD - assisted project it is subject to separation requirements from certain
land uses which HUD considers potentially harmful. In this case, there is a propane sales business to
the northwest at 7405 W. 44` Avenue. Based on the size of the propane tanks at that business and
based on the height of the proposed apartments, the building needs to shift approximately two (2) feet
south and five (5) feet east. This shift impacts the parking area which wraps the building to the south
and east (Exhibit 3, Site Plan).
2
Requested Variance
Section 26 -501 of the Wheat Ridge municipal code establishes standards for off - street parking areas.
For perpendicular parking spaces, the zoning code establishes the following minimum dimensions:
The minimum width of accessible parking spaces can vary from 8 to 11 feet based on the width of the
adjacent access aisle. The zoning code does not regulate the length of accessible spaces, but states
"said spaces shall have a minimum access aisle length of twenty (20) feet" (Sec. 26- 501.E.9).
This is an unusual standard because neither the International Building Codes nor the ANSI accessibility
codes prescribe minimum dimensions for parking stall length. The Americans with Disabilities Act
(ADA) Standards state that "access aisles shall extend the full length of the parking spaces they serve"
(Sec. 502.3.2).
Based on zoning code requirements, the proposed site plan includes four (4) accessible parking spaces
(Exhibit 3, Site Plan). The originally approved parking plan was able to accommodate the 20 -foot aisle
length by jogging the adjacent sidewalk. Because HUD standards require the building to shift 2 feet to
the south, the applicant is proposing an amended site plan that eliminates the 2 -foot sidewalk jog and
makes all parking spaces and aisles a uniform 18 feet in length. This will also allow three compact
parking spaces to become standard parking spaces.
Posting Period
During the public notification period no objections or written comments were received. One neighbor
contacted staff to learn more about the variance request.
III. VARIANCE CRITERIA
In order to approve an administrative variance, the Community Development Director must determine
that the majority of the "criteria for review" listed in Section 26- 115.C.4 of the City Code have been
met. Staff provides the following review and analysis of the variance criteria.
1. The property in question would not yield a reasonable return in use, service or income if
permitted to be used only under the conditions allowed by regulation for the district in
which it is located.
If the request were denied, the property may continue to yield a reasonable return in use,
although the site and building design would need to be entirely reconfigured if the request is
denied.
Staff finds this criterion has not been met.
3
2. The variance would not alter the essential character of the locality.
The variance will be imperceptible to most users and neighbors, and is therefore not likely to
alter the character of the locality. The parking area is internal to the site, and the linear sidewalk
design being proposed in association with the variance is less impactful than the meandering
sidewalk that was part of the original design (Exhibit 3, Site Plan).
Staff finds this criterion has been met.
3. The applicant is proposing a substantial investment in the property *vith this application,
which would not be possible without the variance.
The applicant is proposing a substantial investment in the property, which may not be possible
without the variance. The project has been awarded $965,327 in low income housing tax
credits, and the redevelopment will result in an investment of several million dollars. The
investment is not possible unless the building is shifted to accommodate HUD standards, and
the variance is needed to accommodate this shift.
Staff finds this criterion has been met.
4. The particular physical surrounding, shape or topographical condition of the specific
property involved results in a particular and unique hardship (upon the owner) as
distinguished from a mere inconvenience if the strict letter of the regulations were carried
out.
The unique condition that affects the property relates to the proximity of the propane provider
and the HUD - assisted financing that requires a minimum separation from this land use. The
regulation is not included in International Fire Codes, and the applicant was unaware of the
issue until well after site planning had been completed.
The applicant has pursued alternative solutions including relief from HUD standards, alternative
site designs, and off -site improvements at the propane business. None of these alternatives have
been viable, and the variance request has been a last resort in response to the unique hardship.
Staff finds this criterion has been met.
5. The alleged difficulty or hardship has not been created by any person presently having an
interest in the property.
The unique hardship relates to the proximity of adjacent land uses and HUD regulations. The
hardship was not created by the current property owner or any person currently having an
interest in the property.
Staff finds this criterion has been met.
6. The granting of the variance would not be detrimental to the public welfare or injurious to
other property or improvements in the neighborhood in which the property is located, by,
among other things, substantially or permanently impairing the appropriate use or
development of adjacent property, impairing the adequate supply of light and air to
4
adjacent property, substantially increasing the congestion in public streets or increasing
the danger of fire or endangering the public safety, or substantially diminishing or
impairing property values within the neighborhood.
The request will not be detrimental to public welfare and is not expected to injure neighboring
property or improvements. It will not hinder or impair the development of the adjacent
properties. The adequate supply of air and light will not be compromised as a result of this
request.
The request will not increase the congestion in the streets, nor will it cause an obstruction to
motorists on the adjacent streets. The structure will not impede the sight distance triangle and
will not increase the danger of fire. The request will not impair property values in the
neighborhood; a successful redevelopment may in fact have a positive effect on property values.
Staff finds this criterion has been met.
7. The unusual circumstances or conditions necessitating the variance request are present in
the neighborhood and are not unique to the property.
The unique conditions are specific to the subject property by virtue of being a HUD - assisted
project.
Staff finds that this criterion has not been met.
8. Granting of the variance would result in a reasonable accommodation of a person with
disabilities.
While the variance will result in a reduced length for access aisles, the length is in keeping with
federal accessibility standards which only require that the aisle be the same length as the
accessible parking space. For this reasons, the variance will result in a reasonable accommodate
of persons with disabilities. The adjacent sidewalk will be linear as a result of the variance and
may also be easier to navigate for persons using the subject parking spaces.
Staff finds this criterion has been met.
9. The application is in substantial compliance with the applicable standards set forth in the
Architectural and Site Design Manual
The Architectural and Site Design Manual (ASDM) does not apply to properties that are zoned
Mixed Use - Commercial (MU -C).
Staff finds this criterion does not apply.
IV. STAFF CONCLUSIONS AND RECOMMENDATIONS
Having found the application in compliance with the majority of the review criteria, staff recommends
APPROVAL of a 2 -foot (10 %) variance to allow accessible parking spaces and aisles that are 18 feet in
length. Staff has found that there are circumstances attributed to this request that would warrant
approval of a variance. Therefore, staff recommends approval for the following reasons:
I . The variance would not alter the essential character of the locality.
2. The applicant is proposing a substantial investment in the redevelopment of the property that
may not otherwise be possible without the variance.
3. The request will not be detrimental to public safety or welfare.
4. The proximity of a propane provider and the application of certain HUD regulations result in a
unique hardship that constrains the site design.
5. The alleged hardships have not been created by any person presently having an interest in the
property.
6. The variance will result in reasonable accommodations for persons with disabilities.
With the following conditions:
1. The revised site plan sheet shall be appended to the plan set associated with the approved
building permit
2. Prior to issuance of the Certificate of Occupancy, the subdivision plat shall be amended to reflect
the updated location of the detention easement.
T
EXHIBIT 1: AERIAL
The subject property is outlined in bright blue. The yellow star identifies the location of the
propane provider that triggers the HUD separation requirement discussed in this report.
EXHIBIT 2: ZONING MAP
The subject property is outlined in bright blue and is zoned Mixed Use - Commercial (MU -C).
SITE PLANS
EXHIBIT 3
The following pages include two excerpts from two site plans:
1. The original site plan approved in November 2014 per Case No. WSP-14-03,
2. The proposed site plan associated with this variance request.
The subject parking spaces are highlighted in yellow and the adjacent sidewalk in blue. The parking
spaces that were compact in the original plan and now standard in the proposed site plan are shown in
orange.
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Lauren Mikulak
.74W pe
- eUdle FIT ;�ulc IF . 1 0 work with Kephart to get the building rmit
plan set updated and either Fred or Rick will send over the civil construction plans to Dave, Thanks again!
From: Lauren Mikulak [mailto:lMjkul rl s
Sent: Tuesday, December 16, 2014 11:55 AM
To: Tyler Downs
Cc: Fred Tafoya (fta_f_oXa_A_rqd1and&_qm); Rick Rome; Steve Art
Subject: Site Plan Approval
Tyler,
Attached is a letter indicating approval of the amended site plan and associated variance (I just gave hard copies to
Chris). Please note that based on the amended site plan the following items will need to be submitted:
CONFIDENTIALITY NOTIM This e-mail contains business-confidential information. It is intended only for the use of the individual • entity named above, if you are
not the intended recipient, you are notified that any disclosure, copying, distribution, electronic storage or use of this communication is �jrohibited. IfWov_L4e4rg_*t
this communication in error, please notify us immediately by e-mail, attaching the original message, and delete the original message from your computer, and any
network to which your computer is connected. Thank you,
I
Lauren Mikulak
From:
Dave Brossman
Sent:
Wednesday, December 10, 2014 3:41 PM
To-
Lauren Mikulak
Cc:
Steve Nguyen
Subject:
RE: Referral :: TCN - Revised Site Plan
Attachments*
imageOO1.jpg; Civil Construction Plans-Re-Design Review-l-APPROVED-E-mail,pdf
They will of course have to address the matter of the revised detention/drainage easement. Due to the complexity of
that easement I would greatly prefer that they submit an amended plat with a purpose stated on it (purpose = to revise
the geometry of the underground detention drainage easement).
While in most cases we can accept an Affidavit of Correction to modify easements, this was not an error but a
modification due to site changes, so in my opinion the Aff of Corr is not the correct method of fixing this. Face it, their
surveyor would have been paid for an exhibit to go with the Affidavit anyway so cost shouldn't be a big factor - and it
will be a quick Admin review so that shouldn't be a big deal either. But the easement is to the benefit of the City and I
believe they should provide us with an amended plat reflecting the ultimate (and correct location).
Due to the file size I will be sendine the a roved docs in 2
1V 11 =U LAV N71QM lil #1
In addition, they will need to provide us with the following:
1. They will need to e-mail me or include on a disk an AutoCAD DWG file in 2010 (or older DWG format) AND
2. They must send the usual four (4) signed and sealed hardcopies of the civil construction plans for the Building Permit
Application (I will swap them out the previous ones).
D.
From: Lauren Mikulak
Sent: Thursday, December 04, 2014 5:37 PM
To: Dave Brossman
Subject: Referral :: TCN - Revised Site Plan
The building for Town Center North is, in fact, shifting several feet because of the propane tanks. Among other things,
the shift appears to impact the drainage improvements, so I've uploaded the revised site plan and civil docs for your
0
Lauren Mikulak
From:
Dave Brossman
Sent:
Wednesday, December 10, 2014 3:41 PM
To:
Lauren Mikulak
Cc:
Steve Nguyen
Subject:
RE: Referral:: TCN - Revised Site Plan
Attachments: imageOOljpg; Civil Construction Plans-Re-Design Review-l-APPROVED-E-maii.pdf
I have cortiI mii review all of the documenUs&id1#A,*x*
the detention facility and the associated drainage easement none of these changes appear substantial enough to
agrait moi"fi
They will of course have to address the matter of the revised detention/drainage easement, Due to the complexity of
that easement I woul I reatl refer that the su
While in most cases we can accept an Affidavit of Correction to modify easements, this was not an error bu
modification due to site changes, so in my opinion the Aff of Corr is not the correct method of fixing this. F c it, th
surve4or would have Wbeen Waid for an exhibit to go with th Affif ire
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In addition, they will need to provide us with the following:
1. They will need to e-mail me or include on a disk an AutoCAD DWG file in 2010 (or older DWG format) AND
2. They must send the usual four (4) signed and sealed hardcopies of the civil construction plans for the Building Permit
Application (I will swap them out the previous ones).
Thanks and have a great afternoon/evening!
D.
From: Lauren Mikulak
Sent: Thursday, December 04, 2014 5:37 PIV
To: Dave Brossman
Subject: Referral :: TCN - Revised Site Plan
review. Evidently, they cannot close on the property until the revised site plan is approved, and the URA contract
requires a closing before the end of the year. To help Tyler and Steve meet the closing deadline, we're targeting the
week of December 15 to approve the site plan, That gives us all 2 to 3 weeks.
A nkntcan be modified later but
will have to be recorded (either a separate document or replat) before the building CO is issued. At this point the critical
path is approval of the site plan and civils. I know we're is already swamped, but hopefully it's a minor review since
it's a minor shift,
I'll give you the hard copies that they provided. Digital versions are in the V drive. Let me know if you have any
questions.
Folder: V:\Community Development\_Land Use Case
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I didn't make a referral form (you're the only one reviewing this), but I will track the modification with a case number:
WSP-14-0&
I RM-M-M SIM NOW
CONFIDENTIALITY NOTICE: This e-mail contains business-confidential information. It is intended only for the use of the
individual or entity named above. If you are not the intended recipient, you are notified that any disclosure, copying,
distribution, electronic storage • use • this communication is prohibited. if you received this communication in error,
please notify us immediately by e-mail, attaching the original message, and delete the original message from your
computer, and any network to which your computer is connected, Thank you.
N
City of
W heat R,,:jge
POSTING CERTIFICATION
CASE NO. WA -14 -19
DEADLINE FOR WRITTEN COMMENTS: December 15, 2014
F (name)
residing at a300 �itc �'lG,b�t 3.Z5 ✓�ek�r� o ,20,�
(a dress)
as the applicant for Case No. WA -14 -19
Public Notice at
on this 5`"
hereby certify that I have posted the sign for
7340 W. 44 °i Ave
(location)
day of December
and do hereby certify that said sign has been
posted and remained in place for ten (10) days prior to and includin �e deadline for written
comments regarding this case. The sign was posted in t o ' ion s own on the m elow.
Signature: 12,
NOTE: This form must be submitted to the Community Development Department for this case
and will be placed in the applicant's case file.
MAP
4000 0#�
of
Wi��-
ge
• I---,--- , " 111111111- 1 •
(as required pursuant to Code Section 26-109.D)
This is an administrative variance review with a 10-day posting period. Public comments
concerning this request are due in writing • 5:00 p.m. on December 15, 2014,
I Kim Administrative Assistant, Comm QeRa dt�ment hereby
certify that I mailed a total of 8 letters on December 5, 2014 to the attached recipient list,
City of
WheatR ' e
COMMUNITY DEVELOPMENT
City of Wheat Ridge Municipal Building 7500 W. 29" Ave. Wheat Ridge, CO 80033 -8001 P: 303.235.2846 F: 303.235.2857
LETTER NOTICE
December 5, 2014
Dear Property Owner:
This is to inform you of Case No. WA- 14 -19, a request for a 2 -foot (10 %) variance
to allow accessible parking spaces that are 18 feet in length within the private
parking lot for property located at 7340 W. 40' Avenue. The attached aerial photo
identifies the location of the variance request.
The applicant for this case is requesting an administrative variance review which
allows no more than a fifty percent (50 %) variance to be granted by the Zoning
Administrator without need for a public hearing. Prior to the rendering of a
decision, all adjacent property owners are required to be notified of the request
by certified mail.
If you have any questions, please contact the Planning Division at 303 - 235 -2846 or
if you would like to submit comments concerning this request, please do so in
writing by 5:00 p.m. on December 15, 2014.
Thank you.
WAI419.doc
ww w.d.w h eat ridge.co. u s
Site Plan
A request for a 2 -foot (10 %) variance to allow accessible parking spaces that are
18 feet in length within the private parking lot for property located at 7340 W. 44`"
Avenue.
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AAA PROPANE SALES BOROUMAND ENAYATALLAH CARVER AMY MARIE
7405 W 44TH AVE 1980 AGB TRUST CARVER RICHARD A
WHEA'FRIDGE CO 80033 PO BOX 117639 4360 UPHAM ST
BURLINGAME CA 94011 W14EAT RIDGE CO 80033
ROACH INVESTMENT LIMITED
PARTNERSHIP RLLLP
6545 W 44TIl AVE
WHEAT RIDGE CO 80033
SWEET RIDGE LLC
4471 UPHAM sT
WHEAT RIDGE CO 80033
WHEAT RIDGE TOWN CENTER
APARTMENTS LLLP
2300 15TH ST 325
DENVER CO 80202
WHEAT RIDGE URBAN
RENEWAL AUTHORITY
7500 W 29TH AVE
WHEAT RIDGE CO 80033
Owner t
Owner 2
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Cmpany
Mailing Addm"
St
Street Name
Type
JU.It
City
State
Zip
Pmperty Address
St
Street Name
Type
City
State
Zip
Use
AAA PROPANE SALES
7405
W
44TH
AVE
WHEAT RIDGE
CO
80033
7405
W
44TH
AVE
WHEAT RIDGI
CO
80033
COMMR
BOROUMAND ENAYATALLAH
1980 AGB TRUST
PO BOX 117639
BURLINGAME
CA
94011
75-40
W
44TH
AVE
WHEAT RIDGI
CO
80033
COMMR
CARVER AMY MARIE _
CARVER RICHARD A
4360
UPHAM
5T
WHEAT RIDGE
CO
80033
4360
UPHAM
ST
WHEAT RIDGI
CO
8DO
RESID
FLJEDER JOHN R
7250
W
44TH
AVE
WHEAT RIDGE
CO
80033
7250
W
44TH
AVE
WHEAT RIDGI
CO
8W33
COMMR
FLIEDER JOHN R
7250
W
44TH
AVE
WHEAT RIDGE
CO
BM33
725
W
44TH
AVE
WHEAT RIDGI
CO
80033
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80033
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Case No. WA1419
Date Received 1 2'412014
Related Gases WSP1408 & WSP1 Case Planner
M kulak
Case Descriptior'A request for a 2•foot 10i variance to "allow' accessible arking spaces that are 18 feet in length within - t he , f �) p private parking tot
�J}Gr.3u7f ,�PdY'r�J;dSr�l/YY?!7
Name Town Center NorthApartrr
Name
Phone (720) 420.1568
Address 230015th Street Suite 325
City Denver
State :CO Zip, 80202.
L7�rrrr /rrJvsrxcr�r�rr�r
_ __ ..
Narrre Town Center North Apartrr
Name
Phone (720)42A�1568
Address 2300 15th Street Suite 325
City 'Denver
State ;CO Zip 80202'
C�ar.*f«��f l,rh�r�►xruriixr
Name: Tyler Downs . Waxee Part
Name Town Center Not thApartrc
Phone ,(720) 420.1568
Address 230015th Street suite 325
City Denver
State CO Z ip ,80202
r�*ir~,�e^t lrrfr�rlrl'nrrr
Address 7340 Street
W 44th Ave..
City WheatRidge State CO zip sbdn
Location Description
Protect Name
Parcel No Qtr section
District No
Parcel No,
39. 234.12. 001 Qtr Section:
SE23 District No.: tl
I 3923412001 SE23
I!
�ei�t*Ylt tx":C
Pre-App Date
Neighborhood Meeting Date
App No:
Review Type Review Body Review Date Disposition
Cents
Report
Review Admrn
F
Case Disposition
Disposition Date
Conditions of Approval
Notes
_
Status Open
Rees It Ord g
Storage:
i, A
City of
]�9
LAND USE CASE PROCESSING APPLICATION
Community Development Department
7500 West 29' Avenue * Wheat Ridge. CO $0033 * Phone ( 23 5 5- 18,14
(Please print or type all information)
Applicant Town Center North Apartments LLLP Address 2300 15th Street Suite 325 Phone 720A20.1568
CitY-2e_nver State Colorado Zij) 80262 Fax 877.444
Owner Town enter North A artmentst-LLP Address 2300 15th Street Suite 325
City_____P�enver State Colorado Zip__�0202
Tyler Downs: Wazee Partners, LLC
Contact zge Town C-165-MrA—panrents Address 2300 15th Street Suite 325 Phone 720.420.1568
City Denver — State Colorado Zip 80202 Fax 877.444.1877
(The person listed as contact will be contacted to answer questions regarding this application, provide additional information when necessary, post
public hearing signs, will receive a copy of the staff report prior to Public Hearing, and shall be responsible for forwarding all verbal and written
communication to applicant and owner.)
Location of request (address): 7340 W. 44th Avenue, Wheat Ridge, CO 80033
Required information:
Assessors Parcel Nurnber: 39-234-12-001 Size of Lot (acres or souare footaiwl: 60,815 sf
My commission expires 0
_L _f It /20
To be filled ou� b staff:
0
Date! received 12-1
Comp Plan Desigan
Related Case No, W
Fee ' eccipt No.
Zonin—g - ---- " -
Pre-App Mtg,
Case No,, VVLk
Quarter Section M
Section
Case Manager ;�
Case No. WSP1408
Date Received 1214P d
Relat d Cases �VA1419 & WS014f! Case Planner
Mikulak
Case Descriptior Review and approval of Site Plan Amendment No. 1 to the Wheat Ridge Town Center North Apartments.
Name Town Center North Apartrr;
Name
Phone j72t1j 4201558
Address 230015th St,. Ste 325
City Penver
State to Zip 86202-
11wrtie,r 1,?1ovs tbi;vr
Name Town Center No ..
rth Apartrr
Name _
Phone (72b 420•1 588
Address 230015th St Ste 325
City Denver
__ Skate CCt dip 80202 -
Name Tyler Gowns: Wazee Parkr
Name Wheat Ridge Town Cente
r
Phone C720� 40.15fiS
Address 230015th St , Ste 325
City $Denver
State CC1 Zip '80202
>r�"f l,,u�rataarr
Address ,7340 Street
W 44th Ave . _
.. City :Wheat Ridge State CO ' Zip .80033
Location Description
Project Name
��
N cat No Ott
District No
-
Parcel Na
39.234.12 ^001 . . . , Qtr Section: SE23
District No,: II' �
3923412001 SE23
11
. _..�.
Pre-App Date
Neighborhood Meeting Date
App No•
Rt'vBt?44e Type Review Body Review Date Disposition
Co t$
Report
Rev +ew Adrrrrn...
„
d
II %:;art xtf /t'rx+;"
Cane Disposition
Disposition Date
Conditions. of Approval
.. , .. w ,
Notes
Status Dpn _
Ras 4 Ord
Storage
WHEAT RIDGE TOWN CENTER NORTH APARTMENTS
SITE PLAN AMENDMENT NO. 1
LOT I OF TOWN CENTER NORTH SUBDIVISION. FILING NO 2 LOCATED IN THE THE NORTHWEST QUARTER OF
THE SOUTHEAST QUARTER SECTION 23. TOWNSHIP 3 SOUTH RANGE 69 WEST OF THE 6TH PRINCIPAL MERIDIAN.
CITY OF WHEAT RIDGE. COUNTY OF JEFFERSON STATE OF COLORADO
STATEME OF PROPOSED U SE AND COMPLIANCE WITH BONING
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LEGAL DESCRI «m m .camu+..wee.
CONCEPT PLAN COMPLIANCE
SHEETINDEX
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SHEETINDEX
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LANDSCAPE PLAN
SO
PLANT LEGEND& NOTES
EXTERIOR LIGHTING
SITE AND BUILDING SIGNAGE
VICINITY MAP
OWNER'S CERTIFICATE
CITY CERTIFICATION
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WHEAT RIDGE TOWN CENTER NORTH APARTMENTS
SITE PLAN AMENDMENT NO. 1
LOT 1 OF TOWN CENTER NORTH SUBDIVISION FILING NO 2 LOCATED IN THE THE NORTHWEST QUARTER OF
THE SOUTHEAST QUARTER, SECTION 23 TOWNSHIP 3 SOUTH RANGE 69 WEST OF THE 6TH PRINCIPAL MERIDIAN
CITY OF WHEAT RIDGE. COUNTY OF JEFFERSON. STATE OF COLORADO
NTH AVENUE
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THE SOUTHEAST QUARTER SECTION 23 TOWNSHIP 3 SOUTH RANGE 69 WEST OF THE 6TH PRINCIPAL MERIDIAN,
CITY OF WHEAT RIDGE COUNTY OF JEFFERSON. STATE OF COLORADO
W. 44TH=UE Atp
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WHEAT RIDGE TOWN CENTER NORTH APARTMENTS
SITE PLAN AMENDMENT NO.I
LOT T OF TOWN CENTER NORTH SUBDIVISION. FILING NO 2 LOCATED IN THE THE NORTHWEST QUARTER OF
THE SOUTHEAST QUARTER SECTION 23. TOWNSHIP 3 SOUTH. RANGE 69 WEST OF THE 6TH PRINCIPAL MERIDIAN,
CITY OF WHEAT RIDGE. COUNTY OF JEFFERSON. STA TE OF COLORADO
LEGEND
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EVERGREEN TREE
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SITE PLAN ANIENDNIENT NO.I
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THE SOUTHEAST QUARTER, SECTION 23 TOWNSHIP 3 SOUTH RANGE 69 WEST OF THE 6TH PRIAC /PAL MERIDIAN
CITYOF WHEAT RIDGE, COUNTY OF JEFFERSON STATE OF COLORADO
PLANTING NOTES
PLANT LEGEND
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9rm Bobnlc Nur Cwnrun Neme
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WM1 KMyd Bps Mra 5 «ea
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a Beene b«,
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m rmbn pMe. ate eb.wwnr ,noY.n on m.mrga oe rw1 nwa »da MMer rrob.t
w mMey rmMlsm
18 A--sal ar»MrrMr
8 MIOrgnc, E — a Ts 3
'.150 )B WCR Eet« CO C 80815
Nvl lSa)191
17 Do rot cwmerrca arraMeq a e.nhrq »d par ro acnpanu .1 1 Xnb
18 AY pam.q dw areas one Iree panteya oval renna a man,.n a r a mrKn
TM coMraUOr n Mapnsrble Iw we« corns on ber aM s «be anaa uqY
ImM poleU acnparce
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art. O.nea bee sap IPbnL.rp bhl Mcwrhv..mocv4Mr maNee.t tlro
rate r.<onnnMbe W M m.raX.cMer
20 Sae ea. ds for panlvq repb.merda. maomh.aM eaecuMn
21 S—Gey an noes »preeba for• Panoeaoro year
2z. r erwMN era »«fre « prom. Ns bne.cap coneaer n 10 wbml A W a
aomYy evade64 anwuh ro b uree to IM OwneYa Repre »nMtn br
appov.l
23 G— corer areas era m M esrgaarry ,pane. uaasr o0rrwse snexm er
nose «roe plans
21 Ar... yes »merrb awn or. .rper.y a<ns »a sNrMmam urobbrrroe arM
luny aocesvW .brq New ends letph la rreebn.m eM emergncy
.wnprrM aM voncba
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.»em8 env mr.eeoa nrgabn nrroorrMf .rra'w Mrer<,» w•aq areas
ep. ro nnrewwt.atM
LANDSCAPE NOTES
I ALL LANDSCAPE BEDS TO RECENE r DEPTH OF DECORATNE
ROC. OR Y MULCH
Z ALLTURFAREAS TOM IRRIGATEDWRNAN AUTOMATIC POP
UP ANOOR ROTOR SPRINKLER SYSTEM
3 ALL PLANTING BEDS TO BE IRRIGATEDMATH AN AUTOMATIC
DRIP IRRGATON SYSTEM
A ALL IRRIGATION TOM CONTROLLED MATH AN AUTOMATIC
IRRIGATON CONTROLLER WOTH RAIN SENSORS
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LANDSCAPE NOTES
I ALL LANDSCAPE BEDS TO RECENE r DEPTH OF DECORATNE
ROC. OR Y MULCH
Z ALLTURFAREAS TOM IRRIGATEDWRNAN AUTOMATIC POP
UP ANOOR ROTOR SPRINKLER SYSTEM
3 ALL PLANTING BEDS TO BE IRRIGATEDMATH AN AUTOMATIC
DRIP IRRGATON SYSTEM
A ALL IRRIGATION TOM CONTROLLED MATH AN AUTOMATIC
IRRIGATON CONTROLLER WOTH RAIN SENSORS
c
9
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ARCHITECT ENGINEER LANDSCAPE ARCHTECT
eo�oo`s s.rF' -o�
w�irA, gin pout .H wmr<+e K F P H ART � T M n � 0 '
v L FREp ar[bra BWB COMB. RRLT�NA
5of5
8000 South Uncoln Street, #206 Littleton, CO 80122
Otrim (72M 283-6783 1 wwwredland,com
n9i aces
1
Based on a landscaped area of 12,773 square feet, building coverage (roof area) of 20,997
square feet and hardscape/pavement area of 26,540 square feet, the proposed apartment
project will have an impervious percentage of 75.2% which is less than the assumed 83% value
that was utilized within the above referenced report,
W6 Tr TT ♦ • design flow and
W-M"
FISMM r • WMI
detention impacts as was used in the original evaluation. Since the actual site configuration
represents a lower impervious coverage, the calculations for runoff will yield a slightly more
conservative result. This analysis is therefore in compliance with the original design intent.
» »« w< MOTI "> « ««
i W
jl kyll A g K#lw I I f-. 111 M##E
gtm
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Current Criteria
teria
-------------
Tributary area
ac
\3
/\��]..
Percent Imperviou
22 / #
X 80.
---i
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ZEDLANf)
ago
100 year event release shall be controlled as an orifice release on the proposed 24" outlet pipe,
A plate shall be installed over the proposed pipe restricting the release rate to 6.9 CfS. The
headwater depth operating the orifice is 7.73 feet requiring an opening area of 0.83
0.26 implying the d/D = 0.3, For a 24" pipe the plat must be set 7.2 inches above the pipe invert
• control the major event release.
Maintenance of the detention facility shall be administered through the property owner. An
agreement is being developed for lots 1, 2 and 3 of the Wheat Ridge Town center subdivision
addressing maintenance responsibility and required compensation.
'Volume
(incremental)
��. IP! � IMI f�
�
{' � I w
��
U. ����IVIII�.
♦ �. �.
y
{ II � IM���
IlI • e Ir III M II
100 year event release shall be controlled as an orifice release on the proposed 24" outlet pipe,
A plate shall be installed over the proposed pipe restricting the release rate to 6.9 CfS. The
headwater depth operating the orifice is 7.73 feet requiring an opening area of 0.83
0.26 implying the d/D = 0.3, For a 24" pipe the plat must be set 7.2 inches above the pipe invert
• control the major event release.
Maintenance of the detention facility shall be administered through the property owner. An
agreement is being developed for lots 1, 2 and 3 of the Wheat Ridge Town center subdivision
addressing maintenance responsibility and required compensation.
K=
Rick Rome, P.E.
DESMAN AR�AI,
3 ��70SF AT 100%
Sll E ARI 1, IIS 110,11111Ci CII-RA-
W,' SP A! W%
w t1
m
SF -1 RUNOFF COEFFICIENTS - DEVELOPED
PROJECT NAME:
PROJECT NUMBER:
CALCULATED BY: 7/23/2014
CHECKED BY:
Note: Runoff coefficients shown were obtained
from UD &FCD Criteria Manual Equations
LAND USE Residentail Density assumes 55% from RO -3
IMPERVIOUSNESS
DESIGN
BASIN
DFSIGN
POINT
TOTAL
AREA
(AC)
% IMP
Group A
Group CD
Group B
Ca 5
Ca 10
Ca 100
Ccd 5
Ccd 10
Ccd 100
Cb 5
Cb 10
Cb 100
43rd Ave
1
0.38
83%
0.60
0.63
069
0.65
0.69
0.76
0.63
0.66
0.73
Lot 2
2
2.22
75%
0.50
054
0.61
0.57
0.61
0.70
0.54
0 58
0.66
West Lot 3
3
0.47
90%
1 0.71
0.73
0.79
0.74
0.77
0.83
072
0,75
0.81
East Lot 3
4
2.30
89%
0.69
0.72
0.77
0.73
0.76
0.82
0.71
074
039
South Vance
5
0.65
84%
0.62
0.65
1 0.70
0.67
0.70
0.77
0.64
0.67
0.74
North Vance
6
0.28
84%
0.62
0.65
0.70
0.67
0.70
0.77
0.64
067
034
Lot 1
7
1.37
83%
0.60
0.63
069
0.65
0.69
0.76
0.63
066
0.73
U han SW
8
0.31
55%
033
0.38
047
0.42
0.48
0.61
0.38
043
0.54
44th Ave SW
9
0.12
55%
033
0.38
047
0.42
0.48
0.61
0.38
0.43
0.54
C0�11'OSII'1
8.10 1
81 5% 1
059
0.63
0 69
0 65
0 68
0 76
0.62
0.65
0.72
SUBTOTAL
5.4 19.925512 Ca= Ka +(1.31i 1.44i +1.135i -0.12)or0
Cb = Kcd+0.85i' -0.78i'+0.774i+0.04)
Cb = (Ca+Ccd)R
PEN STANDARD FORM SF -2 - DEVELOPED
' Time of Concentration
PROJECT NAME: Wheatridge Town Center Lot I DATF 7/23/2014
PROJECT NUMBER: 11014
CALCULATED BY: RAR
CHECKED BY: FT
SUB -BASIN
DATA
INITIAL
TIME (T
TRAVEL. TIME
(T,)
tc CHECK
(URBANIZED BASINS)
FINAL
tc
DESIGN
BASIN
(
AREA
Ac
(
C 5
(3)
LENGTH
Ft
(4)
SLOPE
%
(5)
T ;
Min.
(6)
LENGTH
Ft.
(
SLOPE
%
(8)
C,
(9)
band Surface
(
VEI,
fps
(11)
T,
Min.
(12)
COMP.
tc
(
TOTAL
LENGTH
(14)
te= (U180) +10
Min.
( 1 5)
Min.
('S
('10
Cloo
43rd Ave
0.38
0.65
30
2.0%
3.6
120
2.0%
20.0
Paved Areas
2.8
0.7
4.3
150
10.8
5.0
0.65
0.69
0.76
Lot 2
2.22
0.57
50
2.0%
5.4
250
2.0%
20.0
Paved Areas
2.8
1.5
6.9
300
11.7
6.9
0.57
0.61
0.70
West Lot 3
0.47
0.74
30
2.0%
2.9
400
2.0%
20.0
Paved Areas
2.8
2.4
5.2
430
12.4
5.2
0.74
0.77
0.83
East Lot 3
2.30
0.73
30
2.0%
3.0
390
2.0%
20.0
Paved Areas
2.8
2.3
5.3
420
12.3
5.3
0.73
0.76
0.82
South Vance
0.65
0.67
50
2.0%
4.5
400
2.0%
20.0
Paved Areas
2.8
2.4
6.8
450
12.5
6.8
0.67
0.70
0.77
North Vance
0.28
0.67
50
2.0%
4.5
180
10%
20.0
Paved Areas
2.8
1.1
5.5
230
11.3
5.5
0.67
0.70
0.77
Lot 1
1.37
0.65
50
2.0%
4.6
200
2.0%
20.0
Paved Areas
2.8
1.2
5.8
250
11.4
5.8
0.65
0.69
0.76
U han SW
0.31
0.42
20
2.0%
4.4
400
2.0%
20.0
Paved Areas
2.8
24
6.8
420
12.3
6.8
0.42
0.48
0.61
44th Ave SW
0.36
0.42
30
2.0%
5.4
300
2.0%
20.0
Paved Areas
2.8
1.8
7.2
330
11.8
7.2
042
0.48
0.61
11014 -Lot 1_SF2 -3 Forms Page 2 of 4
[Zk ND
43rd Ave
1 038
STANDARD FORM SF -3 - DEVELOPED
2
Lot 2
2.22
0.57
'
West Lot 3
STORM DRAINAGE DESIGN - RATIONAL METHOD
5 YEAR
EVENT
East Lot 3
2.30
PROJECT NAME: Wheatridge Town Center Lot I
5
South Vance
065
0.67
DATE:
7,23 2014
PROJECT NUMBER: 11014
1 0.67
7
P, (1 -Hour Rainfall)- 1.45
1137
0.65
8
U han SW
031
CALCULATED BY RAR
9
44th Ave SW
0.36
1 0.42
CHECKED BY FT
DIRECT RUNOFF
TOTAL RUNOFF
STREET
PIPE
TRAVEL.
TIME
REMARKS
zy`U
C7
W
Ow
v
c
C
y
v
V
S
d
zF
V
OJ
w
�Q
OCR
zW
E
Q
O'4
E
`� m
e
`yam
Oa
pe 0
RO
OJa
aN
z
E
>
(1)
(2)
(3)
(4)
(5)
(6)
(7)
(8)
1 (9)
(10)
(11)
(12)
(13)
(14)
(15)
(16)
(17)
(18)
(19)
(20)
(21►
(22)
1
43rd Ave
1 038
0.65
2
Lot 2
2.22
0.57
3
West Lot 3
047
0.14
4
East Lot 3
2.30
0.73
5
South Vance
065
0.67
6
North Vance
1 0.28
1 0.67
7
Lot 1
1137
0.65
8
U han SW
031
0.42
9
44th Ave SW
0.36
1 0.42
50
025
1 4.92
1 12
6.9
127
4,48
5 7
5.2
0 35
4.86
1 7
5 3
1 67
4.85
8 1
68
0.43
4.49
1.9
5.5
0.19
4.79
0.9
5.8
0.90
473
42
61
0.13
4.51
0.6
7.2
0.15
1 4.43
0.7
Sum this evaluation
69 35 1 3.48 ?02
Sum Previous Evaluation 6.62 44 1 4 54 20.0
00
VA
• i DEVELOPED
PROJECT NAME: Wheatridge Town Centet Lot I DATE 7/23/2014
CHECKE STORM DRAINAGE DESIGN - RATIONAL METHOD 100 VEAR EVENT
PROJECT NUMBER 11014 P (]-Hour Rainfall). 2.75
:
D IRECT
I DETENTION VOLUME BY THE MODIFIED FAA METHOD I
Project: Wheatridge Town Center North Lot 1
Basin ID: 2014 Criteria Comparison
(For catchinem ks Joss than 160 acres onl F or larger catchments, use hydrograph routing method)
t .OiE for catchments larger than 90 acres, CUHP hydrograph and routing are recommended)
Determination of ..,. -,: Detention Volume Using Modified FAA Method
Determination of MAJOR Detention Volume Using Modified FAA Method
Catchment Drainage Impemouane.a I, - 79 70 percent
Catchment Dra e
g tna Imrvi
psoutness I, = 79.70 percent
m
Catchent Drainage Area A - 6 920 acres
Catchment Drainage Ara. A. 6.920 area
Predevaiopmenl NRCS Sal Group Type = C A, S, C, or D
Praderelopnwlt NRCS Soil Group Type = C A, 8, C. or D
Return Penrod for Detention Control T = 5 yeah 12, 5. 10. 25, 50, or 100)
Return Period for Detention Control T = 100 years (2, 5. 10, 25, 50, or 100)
Time of Ca�centratwn or Watershed Tc = 14 minute.
Nipw able Una Raw. Rate q = 0 17 cf&1 re
Time of Concentration of Watershed Tc = 14 minutes
Allowable Una Release Rate q = r 1 dsl.cra
One -hour Precipitation P, = 1 0.5 inches
pr,a.npur prep pdainn P, = 2.75 inches
Dee n Rainfall IDF Formats I ` C, P
Desi i+lc.•TJ "Cs
Dnlgn Rainfall IDF Formula 1 . C, Pdlcr'TJ "Cn
Coafiaent One C, = 9 50
•
Coaff. -rit One C1 • 28,50
Coeftiunt Two C _ 10
Coaft...nt Two C s 10 -
Coal Three C = 0 789
Cceffldent Three Ca • 0.789
Determination of Average OutR7w t he Basin (Calculatedl:
Determination of Averace Outflow from the Basin (C41liadvileft
Runoff Coefficient C = 0.02
Runoff Coeffuaent C = 014
Inn- Peak Runoff Op-In : 14049 de
Inflow Peak Runoff Op+n a 32.81 do
Allowable Peak Outflow Rate Op -out = 1.18 afa
Allowable Peak Outflow Rate Op-out = 6.82 Ch
Mod. FAA Minor Storage Volume • 23,800 cuiflc Oar
Mod. FAA Myrn Storage Volume • 35,823 culic Mt
Mod. FAA Minor Storage V.I. • 0.6M Sol"
Mod. FAA Major Storage Vokrme a OA22 act"
5 "It. Ramtsu Wlatwr. 11 11 " value Here le a 5 to }Minutes
Rainfall
Inflow
Adjustment
Average
outflow,
Sto
Remfall
Rainfall
inflow
AdjulM nM
Average
Outflow'
Srore
Duration
intensity
i
Volume
Fads
Outflow
Volume
Volume
Duration
imena4y
VoWme
Fedor
O
Volume
VoWme
rlanutes
r
acraJeat
9tr
d.
eC,94*W
acra4aet
malutes
inches I hr
scra4eet
'rr
Ole
ataa4est
ac.4-1:
t
W
(output
0
000
-
0.000
-
0.00
0.00
0.000
0.000
0
0.00
0.000
0.00
0.00
0.000
0.000
5 _
4 6a
-
0.144
1.00
1.18
all"
0.138
5
9.26
_.
0.326
1.00
0.02
0.002
1 0.270
10 -
3 99
0.230
1.00
1.18 _
0.016
0.214
10
7.37
0.520
_
0.92
0.005
0.425
15
3.26
111,289
0.08
1.13
0.023
0.266
/5
618
0.054
_100
0.96
6.87
0.138
0.510
20
282
0.334
0.86
1.00
0.077
0.306
20
6.36
0.765
0.85 --
0.06
01162
01661
25
2.60
0.300
1 0.78
0.92
0.032
0.338
1 25
4.74
0.830
0.78
5.38
0.105
aill
30
2.25
0.300
0.73
0.80
0.030
0.383
30
4.27
0.903
0.73
5.00
0.209
maim
35
105
0,424
0.70
0.62
0.040
0.381
35
3.89
0.900
0.70
4.03
0.233
11 727
40
1.89
0.44e
0067
11
0.044
0.402
40
3.58
1.010
0.67
4.06
0.257
0.753
M
1.76
0.485
0.85
0.77
0.018
0.418
45
3.32
1.054
0.85
4.63
0.201
0.773
5o
1.83
0.483
0.64
0.75
0.052
0.431
50
3.10
1.003
0.61
1642
0.305
0.788
56
1.53
0.490
_ 0.63
Ill
0.069
0.443
56
2.91
1.129
0.63
133
0.326
awo
8o
1.02
0.513
002
0.72
0.080
0.463
02
2.74
1.101
0.02
4.26
0.352
0.800
as
1.37
0.520
oat
0.71
01084
0.402
as
2.00
1.191
0.61
4.20
0.376
0.815
70
110
Mae
0.60
0.70
0.088
0.171
70
1 2.47
1.210
1 a
4.15
0.400
0.820
75
1,24
a560
0.50
- 59
0.70
0.072
0.11a
75
2.35
1245
M50
4.10
0.424
0.822
80
1.79
0.561
0.
am
a076
0.486
40
225
1.270
0.59
4.00
0.440
0.022
40
1.14
0.571
0.58
0.80.
1 0.060
0.491
45
2+6
207
199
0.50
4.03
0.1'71
0.822
90
1.00
O.S81
0.58
0.06
0.084
0.407
90
_
1315
1. 335
_ 1 355
1.374
1.392
1._100
_ _1125
1.111
0.58
3.00
0.195
0.620
06
1.05
0.500
0.67
0.67
1 0.068
0.802
96
0.67
3.97
0.510
0.616
100
1.01
0.500
0.57
0.87
0.002
0.500
100
_ __
1.92
0.67
3. W
0.543
0.612
106
0.08
0.007
0.67
0.87
0.806
0.511
105
1 BS
1.79
0.57
3.92
11.507
0.807
110
0.95
0.815
as$
0.06
atoll
0.514
110
0.56
3.00
0.590
0.801
115
0.02
0 -Ma
0.56
aa0
0.104
0.618
115
7.71
0.50
3' as
0.011
0.794
120
0.80
0.630
0.56
0.06
0.108
0.621
120
1.68
0.50
3.66
0.038
0.767
125
0.60
O637 am
ads
0.113
0.524
125
_ - 1.63
0.50
1 3.64
0.052
0.770
130
0.64
0.043 0.55
0.85
0.117
0.527 1
130
1.50
1.460
0.55
3.83
0.680
0770
135
0.01
0.850 0.66
0.05
0.121
0.520
135
1464
1.471
6.56
3.02
0.710
0.761
140
0.79
O.e" 0.55
0.85
0.126
0.531
140
1.50
1.485
am
3.60
0.733
0.752
145
0.77
0.002 0.55
0.64
0.129
_0_533
iM
1.409
0.55
3.79
0.767
0.742
100
0.75
0.868 0.56
0.61
0.133
0.635
150
_1.47
1.43
1.512
0.55
3.70
0.761
0.731
156
0.74
0.674 0.51 1
0.84
0.137
0.537
155
1.40
1.11
0.54
3.77
laws
all"
100
M72
0679 0.54
- 0.84
0.111
aWS
too
1.38
1.536
0.54
3.70
&am
0.709
166
0.70
0885 0.51
0.64
0.145
0.540
185
1.33
1.560
0.51
3.76
0.863
0.097
170
0.00
0 690 _ 0.5/_ _
0.64
0149
0.541
170
1.30
1102
0.6/
3.74
Man
0.05
175
0.67
_ 0 695 054
0.63
0.153 1
0.542
175
1.27
1.573 1
0.54
3.73
11000
0.873
100
am
0 700 054
-
- - 0.03
0157 1
0.543
180
125
1.566
0.64
3.73
0.924
0.000
185
0.54
0 705 054
463
0.161
0.602
186
122
1.006
0.64
3.72
0.019
am
too
0.83
0 710 0 51
-
0.03
0.165
0.544
100
1.20
LOW
0.54
3.71
0.972
0.696
195
0.02
0 714 054
-
0.63
0.109
0.616
195
1.18
1.617
as$
371
0.998
0.021
200
0.61
0 719 0 53
0.63
0.773
0.615
2DO
1.15
1.0.27
0.53
3.70
1.019
am$
205
0.00
0 723 0.53
0.83
0.177
0.548
205
1.13
1.637
0.53
3.09
1.043
0.594
210
0.50
0 727 0.53
0.69
stet
01640.
210
1.11
1.647
0.53
369
1.007
01580
215
0.58
0 732 1 .53
_ 0.03
_ 0.185
0.540
215
1.09
1.660
0.53
3.68
1.001
0.1105
220
0.57
0.730 0.53
0.03
0.100
0.540
220
1.07
1.aaa
0.89
3.60
1.116
Ill
225
0.56
x740 0.53
0.02
0.194
ante 1
225
1.00
1.675
0.63
347
1.139
as"
230
0.66
0.741 0.53
0.02
0.190
0.540
230
1.04
1.064
0.53
3.87
1.182
0.622
235
0.54
O.74111, 0.83
0.02
0.202
0.546
236
1.02
1.803
a63
380
1.186
0.507
240
0.53
0.752 0.53
0.62
0200
0.540
240
1.01
1.701
a53
168
1.210
0.491
245
0.52
am 0.53
0.62
0.210
0.546
245
a99
1.710
0.53
3.0.6
1234
0.476
250
0.51
0.759 0.53
0.62
0.214
0.545
251)
0.97
1.718
0.63
3.02
1258
0.461
2S5
0.01
0.763 0.63
0.02
0.218
0.5413
255
0.96
1.727
0.63
3.66
1.202 1
0.445
260
0.50
01769 0.63
0.62 1
0.222
0.544
200
_
095
1.736
0.53
3.64
1.305
0.429
2813
0.40
0.770 0.53
0.52
0.220
0.644
20.5
093
1.743
0.53
302
1.329
0.413
270
0.40
0773 1 0.53
0.02
0.230
0.513 a
270
092 --
1.750
0.63
3.64
1.353
0.397
275
0.48
am 0.53
&112
a234
0.643
275
09t
t.758
0.53
3.63
1.377
0.361
280
0.47
0790 0.52
0.02
0.239
6542
-_ 290
. - 0.60
1.706
0.52
363
1.401
0.306
215
0.47
0 783 0.02 0.82
_
0.212 0.541 _
285
0.86
1.773
0.62
3.69
1.425
0.349
290
0.40
0787 0.52 . 082_ _
0.246 _ 0.540
0.67
1780
0.52
3.83
1.028
0.332
296
0.46
0 790 6s2 062
0.787 0 52 082
0.250 0 539
0.251 0 539
_290
295
t 786
1 795
1.172
0.316
0.86
0.40
0.02
0.52
312 _
3 82
300
.M
300
1.196
__..._ 6666 _. ___._ _ 6.6_66._ ___.___ 6666 •.1a., .w,•yv vv,unw lcrrc rN` w,Ya
Mod. FAA Minor Storage V.I.- Irre - fl.) ` 0.5464 Mod. FAA Major Storage Volume (aer*4) a CAM
UDFCD DETENTION BASIN VOLUME ESTIMATING WORKBOOK Version 2.34, Released November 2013
Copy of UD-0elsnhon v2 34, Modaiee FAA
- 702/2011,1:37 PM
STAGE - DISCHARGE SIZING OF THE WATER QUALITY CAPTURE VOLUME (WQCV) OUTLET
Project'
Basin ID:
WOCV Design Volume Ilnput,
0.371 sstenfwM - het
Water Ouaery Capture Volm e (WOCA.
Catchment enpervoushess. 4 =
60,0
Percent
Calash" Area. A
0.92
Total opererg area at each row based on userrJfyuf aEM. Ad =
Depth at WOCV outlet above lowest Perforation, H =
2
feet
Vertical distance between rows, h =
4.00
inches
Number of rows . 1 =
5,00
Onlioe dscharpe ooefticiert, C =
D.W
m
Slope of Bass, TrOde Chae4 S
0,0W
Trine to (Nan the Pon =
40
hours
Watershed Deslon Information farorr0-
= 111 boil TyPe A =
%
Percent Soil Type B =
%
Percent Sot Type CID =
100
%
D—ler of roles, D = 1.202 urcnes
Number of holes Per row. N = 1
Hegm of slot. H = inches
W dth of slot. W = inches
Water Ouasty Capture VoMane, WOCV=
0.371 sstenfwM - het
Water Ouaery Capture Volm e (WOCA.
0,211 wrs4 t
es
Dlpn Volume lWOCV 112' Aroa' 1A Vol .
0267 mrFlset
Outlet area per row, Ad =
1.13 square inches
Total opererg area at each row based on userrJfyuf aEM. Ad =
1.13 square inches
Total opereng area at each row based on userfpr i seas. Ao =
0 square feet
0
0
0
0 0
0 0 0 0
0 0
O
0 0 o
O e
Perforated
Pla te
Examples
0
F-H -0
I �
4
t7verrlde Owfrrtb Owxrltle Ossrtlda Ovarrk
Area Area Atea Ama Aroa
Row Row Row Rmua Rr..,r
Copy of UD DeteMnn V2.34, WOCV
71212014, 1:37 PM
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Copy of UD DeteMnn V2.34, WOCV
71212014, 1:37 PM
STAGE - STORAGE SIZING FOR DETENTION BASINS
Project:
Basin ID:
am sire s4e z
* Fl..
M6 sip z
L
p..
sae su z
A n-
w
--------- __L ----- siiesiwz
Design Information (lnout):
Width of Basin Bottom, W = 39.00 ft
Length of Basin Bottom. L = 136.00 ft
Dam Side -slope (H:V), 4 = 99.00 fiffl
err sy..
pe. nw
WIC
� ai Eleee
L
Check Basin Shane
Right Triangle OR...
Isosceles Triangle OR...
Rectangle OR...
Circle / Ellipse OR...
Irregular (Use Overide values in cells G32.G52)
MINOR MAJOR
Storage Requirement from Sheet'Modified FAA': 0.55 0.82 acre ft.
Stage-Storage Relationship: Storage Requirement from Sheet'Hydrograph': acre -ft.
Storage Requirement from Sheet 'Full-Spectrum': acre -ft,
Labels
for WQCV, Minor.
8 Major Storage
Stages
r;n nrt:
Water
Surface
Elevation
ft
( input)
Side
Slope
(H:V)
Wit
Below El.
nnrnnt
Basin
Width at
Stage
ft
( output)
Basin
Length at
Stage
ft
(output)
Surface
Area at
Stage
ft
ut
Surface
Area at
Stage
ft? User
Overide
Volume
Below
Stage
ft
(output)
Surface
Area at
Stage
acres
(
Volume
Below
Stage
acre -ft
(output)
Target Voiumes
for WQCV, Minor,
8 Major Storage
Volumes
for goal seek
5400.20
39.00
136.00
5,303
0
0.122
0.000
WQCV
5401.20
5402.20
5402.20
540120
0.00
0.00
0.00
0.00
0.00
0.00
15,909
21,212
7,955
21,212
39,773
0.243
0.365
0.487
0.183
0.487
0.913
0.257
100 + WQCV
5404.20
0.00
0.00
26,515
63,636
0.809
1.481
1.227
5405.20
0.00
0.00
31,818
92,803
0.730
2.130
5406.20
0.00
0.00
37,121
127,272
0.852
2.922
5407.20
0.00
0.00
42,424
167,045
0.974
3.835
5408.20
1
0.00
1 0.00
47,727
212,120
1.096
4.870
5409.20
0.00
0.00
53,030
262,499
1.217
6.026
#WA
#N/A
#WA
#tN/A
#N/A
#N/A
#WA
#N/A
#N/A
#NIA
#N /A
#N/A
#N/A
#N/A
•N/A
#N/A
#N /A
#WA
MA
#WA
#N /A
#WA
#N/A
#WA
WA
#MUA
*N/A
MWA
#NIA
#N/A
#WA
#N/A
#WA
#N/A
#N/A
#WA
*N/A
#WA
MA
#N/A
MWA
#N/A
#lN/A
#N/A
#WA
MA
*N/A
#WA
#N/A
#WA
#WA
#WA
MA
*N/A
#WA
#WA
MA
MA
#WA
#N/A
#WA
#N/A
#N/A
#WA
#WA
#N/A
#WA
#WA
Copy of UD- Detention v2.34, Basin
- 7/21/2014, 1:37 PM
Izi DtANn
Wheat Ridge Town Center Lot 1
Pipe Worksheet
12/3/2014
Sidi Element
From (inlet)
To (Outlet)
Length
Inlet
Outlet
Average
Pipe
Manning's
Entrance Exit/Bend Peak
Max
Design
Reported
ID
Node
Node
Invert
Invert
Slope
Diameter
Roughness
Losses
Losses Flow
Flow
Flow
Condition
Elevation
Elevation
or Height
Velocity
Capacity
(ft)
(ft)
(it)
N
(inches)
(cls)
(ft/sec)
(ds)
1
Link-02
Inlet-Cl
MH-2
21.19
5404,60
5403.90
33000
18
0.0150
0.50
0,50 17.67
10.86
16,55
SURCHARGED
2
P-1
MH-3
Pond
28A5
540130
5401.05
0.8900
36
0.0120
0.20
0.20 6211
10.96
68.10
Calculated
3
P-10
EXIN6
MH-1
47.22
5403,80
5402.SO
2.7SO0
24
0.0120
0.50
O.SO 8,76
1032
40.66
Calculated
4
P-11
18
EXIN6
118.84
5408,10
5403.80
3.6200
24
0.0130
0.50
0,50 8.76
10.80
4103
Calculated
S
P-12
17
18
4239
5408.59
5408.11
1.1300
24
0.0130
0.50
0,50 8.88
7.16
24.07
Calculated
6
P-13
16
17
202,43
5411.27
5408.69
11700
18
0Z130
0.50
0.50 9.28
8.14
11.86
Calculated
7
P-14
ERIN -S
16
91,12
5412.23
5411.37
0.9400
18
0,0130
0.50
0.50 10.21
8,45
10.21
SURCHARGED
8
P-IS
EXIN-4
EXIN-5
20.66
5412.60
541233
13100
18
0.0130
0.50
O.SO 9.32
1168
12,01
Calculated
9
P-16
ln1etC3
Pond-Inlet
2.97
5407.10
5406.80
10-1100
18
0.0120
0.50
0.50 20.64
21.09
3619
Calculated
10
P-17
POND
Out -1
89.87
S400.20
5399.56
0.7100
18
0.0130
0,50
O.SO &86
12.53
8.86
SURCHARGED
11
P-2
MH-1
MH-3
44.64
5402.00
5401.50
1,1200
36
0.0120
010
010 61.95
12.13
76.47
Calculated
12
P-3
MH-2
MH-1
3159
5402.70
5402.20
1A900
30
0.0130
0.50
0,50 5169
11.85
50.05
SURCHARGED
13
P-4
MH-3a
MH-2
2510
5403,29
5402.90
1.5500
30
0,0130
0.50
0.50 34.66
11.18
51.03
Calculated
14
P-5
STM
MH-3a
174,46
5405.17
5403.45
0.9900
30
0.0130
0.50
0.50 34,60
10.38
40.73
Calculated
15
P-6
IN-Lot
STM
72.78
5406,62
5405.47
1.5800
24
0.0120
O.So
0.50 24.98
11.45
30,81
Calculated
16
P-7
IN V2
STM
32.11
5405.88
5405.47
1.2800
18
0.0130
0.50
0.50 11.50
7.83
11,87
Calculated
17
P-8
IN-V1
IN
33.24
5406.65
5406.18
1,4100
18
0,0130
0.50
0,50 12,49
14,11
12,49
SURCHARGED
18
P-9
Inlet-C2
MH-2
733
5404.10
5403.90
23300
18
0.0130
0.50
0,50 18,63
1115
17.35
SURCHARGED
N D
Wheat Ridge Town Center North Lot 1
12/3/2014
Outlet Worksheet
�M�o Gofto ftces sro"
Std Element X Coordinate
Y Coordinate
Invert
Boundary Flap Fixed
Peak
Maximum
Maximum
ID
Elevation
Type Gate Water
Inflow
FILL Depth
HGL Elevation
Elevation
Attained
Attained
(ft)
(cfs)
(ft)
(ft)
1 Out- I 119071.86
708300.34
5399.56
NORMAL NO
8.86
1.50
5401.06
2 Pond 119336.81
708277.27
5401.05
FIXED NO 5407.90
62.11
2.25
5403.30
3 Pond 119288,70
708309,67
5406.80
FIXED NO 5407.90
20.64
0S1
5407.61
Wheat Ridge Town CEnter North Lot 1
Hydraulic Analysis
12/3/2014
SN
Element X
Coordinate
Y Coordinate
Catchbasin
Max
Max
Initial
Peak
Peak
ID
Invert
(Rim)
(Rim)
Water
Flow
Lateral
Elevation
Elevation
Offset
Elevation
Inflow
(ft)
(ft)
(ft)
(ft)
(ds)
(cfs)
1
EXIN-4
119251.21
707832,47
5412.60
5415.73
3.13
5412.60
1.00
1.00
2
EXIN-5
119251.10
707853.13
5412,23
5415.75
3.52
541213
1.70
1.70
3
E71IN6
119382.89
708200.42
5403.80
5411,16
7.36
5403.80
0.00
0.00
4
IN !t2
119102.64
708260.96
5405.88
5408.43
2.55
5405.88
2J11
210
5
Inlet-Cl
119313.95
708212.17
5404,60
5410,30
5.70
0.00
13.30
13.30
6
Inlet-C2
119315.75
708243.60
5404.10
541037
6.27
5405.00
9.40
9.40
7
InletC13
119293.02
708309.71
5407.10
5410.65
3.55
5407.10
3.00
3.00
8
IN-Lot
119043.14
708229.60
5406.62
5410.08
146
5406.62
17.30
17,30
9
IN-V1
119069.40
708260.49
5406.65
5408.90
2.25
5406.65
2.20
2.20
10
POND - OUTLET
119161.73
708300.66
5400.20
5412.17
11.97
5400.20
6.90
6.90
E F)LAND
Wheat Ridge Town Center Lot 1
12/3/2014
Junction Worksheet
wNw cmwt Xxvt &' g in
SN
Element
Invert
Ground/Rim
Ground/Rim
Initial
Minimum
Peak Maximum
Maximum
Minimum
Average
Average
ID
Elevation
(Max)
(Max)
Water
Pipe Cover
Infl ow
HGL
HGL
Freeboard
HGL
HGL
Elevation
Offset
Elevation
Elevation
Depth
Attained
Elevation
Depth
Attained
Attained
Attained
Attained
N
(ft)
N
(ft)
(inches)
(cfs)
N
N
N
N
N
1
16
5411.27
5416.80
5.53
5411.27
47.16
10,21
541187
1.60
193
5412.56
1.29
2
17
5408.59
5414.87
618
5408.59
51.40
918
5409.69
1.10
5.18
5409.62
1.03
3
18
5408.10
5414.14
6.04
5408.10
48.36
8,88
5408.95
0.85
5.19
5408.92
0.82
4
MH-1
5402.00
5411.40
9.40
5402,00
76.80
62.36
5404.70
230
630
540412
2.22
5
MH-2
5402.70
5410.44
7.74
5403.20
60.48
62.12
5410.44
7.74
0,00
5408-18
5.48
6
NIH-3
540130
5411.42
10,12
5401.46
83.04
61.95
5403.55
2.25
7.87
5403.39
2.09
7
MH-3a
5403.29
5410,59
7.30
5403.25
55.68
34.60
5405.22
1.93
537
5404.85
1.56
8
STM
5405,17
5410.60
5.43
5405.17
35.10
36,48
5407.02
1.85
158
5406.58
1.41