4 - Call Up: Floodplain Development Permit (LUR2009-00046) for 30th Street Improvements
MEMORANDUM
TO: Planning; f3oard
FROM: Kalic Knapp, Civil ling,ineer. I loodlllain and Welkinds Pcrnlilling,
DATE: July 6, 2009
SUBJECT: (:all kip Item: I-loodplain Dcvelopmcnt Permit (LUR2009-00046)
30`, street Improvements - 1,111s decision may he called up bcforc
Planning; Board on or before Jidy 20, 2000
A Hoodplain I)cvclopnlcnt Pcrmit was approved by I'lanning and Devekgmlc:nt s arfon
July C, 2009. `I'he 1lroject inv(►lvcs r(mdway intprovcincnts to 30'x' Street between
Arapahoc. Ave. and Valmont lid.
The proposed project includeS the crossings of 30"' Street and the North Boulder
Farmer's Ditch and the Boulder and Lett (-land Ditch (13oulder Slough) where a new
strrlcture is proposed to replace We existing h6dge. The applicant has demonstrated that
the project will riot adversely ingmo the 1loodlllain. A copy of the tloodplain
development permit and plan and profile drawing is attached.
This Iloodplaln (levelopment permit was approvcd by Pkmnill miff Devetopnicnt
Services staff on July 6, 2009, and the declsim 111:Iy be catlcel up helot-e Planning; 130ard
on or bclorc July 13, 2000. There are Iwo I'LmAng 13o:rrcl meetings within the required
14-(1ay call-up period on Jul, 9, 2009 and mule 16, 2009. ( )uestions regarding this
tloodplain development permit should be Wood In Katic Knapp in Planning and
I)evelopment Services at 303-441-3273 or knaM,h( b(►ulde rcolilr:rdcl. tly.
Attachments:
- A. 1:1oodlikiin Develol1r11ent Permit
13. Ilan and Prolile Drawi%,
I
A'1'TACHME F A,
CITY OF BOULDER
#V Planning and Development Services
~~r 1739 Broadway, Third Floor • P.O. Box 791, Boulder, CO 80306-0791
phone 303-441-1880 - fax 303-441-4241 • web boulderplandevelop.net
Land Use Review Floodplain Development Permit
Date Issued: July 6, 2009 Expiration Date: July 6, 2012
(Pursuant to Subsection 9-3-6(e), B.R.C. 1981)
Permit Number: LUR2009-00046
Contact Information
ROD RINDAL
1739 BROADWAY 2ND FLOOR
BOULDER, CO 80306
303-441-3265
Project Information
Location: 2111 30TH ST
Legal Description: TR 33 A-1 LESS A-1 A A-1 B & TR 34 A LESS A-1 THRU A-4 LESS ST BO 3
IMPS 002111 30TH ST BOU LDER
Description of Work: FLOODPLAIN REVIEW - For 30th Street Improvements (Arapahoe to
Mapleton).
Type of Floodplain Permit: Floodplain Review W1 Analysis
Creek Name:
Flood Protection Elevation: Not applicable
Conditions of Approval
The proposed project/activity is approved on the basis that it satisfies applicable requirements of Chapter
9-3-3, "Floodplain Regulations," Boulder Revised Code 1981. Other floodpiain requirements as set forth in
Chapter 9-3-3 which are not specifically outlined in the conditions of approval below remain applicable to this
project/activity.
The applicant shall obtain a site inspection and approval for the City of Boulder Floodplain and Wetlands
Coordinator upon completion of the project. Please call Katie Knapp at 303-441-3273 to schedule an
inspection.
Once the proposed work is completed, the applicant shall submit final as-built drawings to Planning and
Development Services and will also be required to apply to FEMA for a Letter of Map Revision (LOMR) to
modify the regulatory floodpiain.
Permit approval, if not appealed, is final 14 days after notification of permit issuance.
Improvements shall be constructed in accordance with the plans submitted as part of the floodpiain
development permit application prepared by Harris Kocher Smith, dated June 1, 2009.
Inspections
To schedule an inspection, call 303-441-3280 and refer to your permit number (LUR2009-00046).
Final Floodplain Inspection
"t
AT'YA(11 Nl F, NT 13
-PROPOSED WALL -PROPOSED SANITARY SEWER PROPOSED 'ABUTMENT EXISTING PROPERTY UNE
TIE INTO PROPOSED PATH CCINCREI TIE INTO EXISTING TH CONCRETE. CHANNEL
~t 1 o PROP RIDGE
~~~~T NORTH BOULDER FARME_KS ~t ° T;d~T "AI EN .
AND BOULDER AND LEFT I EXISTING PROPERTY uNE
t t 1 • B HAND DITCH
PROPOSED 100_Y PROPOSED 100-_YR U - I I y ti DECREED FLOW=140 CFS FLOOOPLAW II WATER CEC 0 j , I _ -
EmSTING t r %T' i~/" 27/ r / ! .F - t 1 i 0 5 3.08
EASEMENT
O l.QQ. \ (.1~ 'Y~~ , 3rJ j % / /i it } 1 F~IEf _ _ ._M-_ - + ' -
ri\ " - - - CR T.~ • ~ ~ 1 l CREIL APRON CRETE APRON
- - - - _ • / O ! -1s PIER - -
EXISIING CULVERT Al _;7 Ti00' EXISTING BRIDGE
r , ! ~ ~ J 1055 C55
030 (1000 990 9 701
/ : j PROPOSE S)OR~I DRAiN TIE IIVTC KC-RAS 1290 -7 CROSS-SECTION ` I 40 j 1'.170 i r
- _ TIE-INTO EXISTING - -
STATION (TYP) ('aTIC _ , , I - P OPOSED ABUTMENT CONCRE CONCRETE CHANNEL
/AUI2" j / 12t ~ { ' EXISTING PROPERTY LINE B % =527,0.
EXISTING ~j 1 t -C / [ALEf~SrilP / ,
EASEMENT , I( 1 l 11 I YAX//,~/ LE4ENQ Q O,/'
os \v o u
100-YR WSE 1CN1 \N \Vi\
89' - - - r . _
?ROPOSC~:F) 10CE _ _ PROPOSED CROSSING 99C1
. _ 5272
- - - - / - - E%i5 ING 100-YR WSE - - - 1~3d Od0 - 1 V
_;7 CXISTING RIDGE 5270 1-
tpR OSED 100-.. vrsE::::....
' 5268
-
I _I FxrsTiN .GROUNa LIN ' r F Ft.O I - - PROPOSLD. CEN`17ERL NC r,
cow I Low 5266 P C)POScf6y, WSl CPO~SINC__ - - ~'Rl7FILE PATH _ _ 5266 - - - 77 .
500s tRRI 110N 1 LOW ( HIUi;) PROPOSED. P NITA RY t SEWER ENC D.. ssw~
- 5764 F XIST SA}(ITAkY _ _ . ~ 5264
_ b - - - 1 V- S 3 - - - \ SEWER C. CASED - FIE 1 R :MOVED 5262 pROPOS __1D
' 1'itOa''USED y1 11 ` i F. O. L SUBMITTAL GUST 1, 2008
I INY:= 260.50 f iKV sfioso HA - S OCI11;R SMITH
GRADE ~ • X01 r - r•.a • u rr.y• r•
144!1) 141- ~3. O:Sf,O 13dt 1371, \ . { / _ 5260
rr,, 1331 1310 1?~0 IIA"
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a 5258 f)(X1LOFR DROP - SE TROP OFTA h STREET TRANSPORTATION PROJECTS Project No./Code
Computer File Information Sheet Revisions {°1-Hot,< As Constructed 30t SF _ - - - - c?~ Of Colorado Department -
- - h oSTREET NORTH TRDEMILRFI BOULER FARMERS
n Creation Dole: DECEMBER 20, 2007 Initials: MJW _ L P No Revisions: l AND Lost Modification Date: JULY 29. 2008 Initials: MJW LEFT [(AND
DITCH AQC M110--047 PLAN AND PROFILE STII Ml 10-053
Fud Path Z: lsh aro 2vol\Currenl Design F'des HKS FOR U n,: [gym) yn.~,„ Rid; Designer: MDS Slruc mos structure AQC M110-055
o - \ FA[ (910)IV-]IM - - - Dctailer. MJW Numl ~ File Nome: OilchPP01-NDS.dgn ~ P~ per;,,, ~ t'ie
- - - - - - - - h•.Yrv ; UcQ Void: Sheet Subset: CHAEINEL SUN MJW Numbers - - - Sheet
CAD Ver KcroSlation V8 Ong Scole Units. FNGUSH )scl: CHNINEl Subset Sheets: 2 - of - 7 Number