HomeMy WebLinkAboutLot Certifications - 08/07/2008STORMWATER
RECENED
August 7, 2008
AUG 1 2 2008 ASSOCIATESAMON
Mr. Jay Barber
City of Fort Collins
Stormwater Utility f
700 Wood Street
Fort Collins, Colorado 80521
Re: Drainage Certification for Advanced Auto Parts (1023 N College) 1
1I 4"
Dear Mr. Barber,
We recently surveyed grading and drainage improvements associated with the Advance Auto Parts
building, parking lot and related landscape. The expansion is located on the west side of College, south of
Hemlock Street in north Fort Collins. Spot elevations and as -built- contours were checked at pertinent
locations and compared to the grading plan to verify whether the grading met the intent of the approved
grading and drainage plan. The enclosed drawing shows both the grading plan and as -built spot elevations.
In general, the lot and building construction meet the requirements of the grading and drainage plan and
there is positive drainage away from the building on all sides. The intended drainage patterns are met by
the grading on this lot, with slopes set for drainage to flow radially outward from the building. The
constructed finished floor elevation of 4070.95 ft is slightly below the design elevation of 4071.0 ft.
The design pond volume for water quality and storage is 5,729 cf. The constructed volume of the pond and
considering storage available in the parking lot is 3,784 cf and 398 cf, respectively. Thus the total volume
available for water quality and storage purposes is 4,182 cfs and is 1,547 cf less than the design value.
Sincerely,
Ayres Associates
R Leif Embertson, P.E.
Water Resources Engineer
Engineers/Scientists/Surveyors
3665 JFK Parkway,. Building 2, Suite 200, Fort Collins, CO 80525-3152
(970) 223-5556, FAX (970) 223-5578
www.AyresAssociates.com
AAP_Letter.DOC
32-1330.00
IOLUMECALCULATION
Description: Detention and Water Quality Pond
Advanced Auto Parts
SURFACE DELTA CUM. CUM.
ELEV. AREA DEPTH AREA VOLUME VOLUME VOLUME
ft. s .ft. ft. Acres Acre-feet Acre-feet Cf
4965.8
0
0.00
0.000
0.001
0.000
0
4966.0
865
0.20
0.020
0.021,
0.001
58
4967.0
982
1.20
0.023
0.023
0.023'
981
4968.0
1058
2.20
0.024
04025
0.046
2000.
4969.0
1126
3.20
0.026
0.016
1 0.071
3092
4969.6
1179
3:80
0.027
0.09
37M
� ��
00
o
00 ��;
IOLUME CALCULATION
Description: Parking Lot Storage
Advanced Auto Parts
SURFACE DELTA CUM. CUM.
ELEV. AREA DEPTH AREA VOLUME VOLUME VOLUME
ft. s .ft. ft. Acres Acre-feet Acre-feet Cf
4968.4
0
0.00
0.000
0.000
0.000
0
4968.5
25
0.10
0.001
0.000
0.000
1
4968.6
209
0.20
0.005
0.001
0.000
11
49W 7
542
0.30
0.012
0.002
0.001
47
4968.8
916
0.40
0:021
0.003
0.003
1 119
4968.9
1376
0.507
0.032
0.00
10.01
233
4969.0
T932
0.60
0.0441
0.01
398
DOCUMENT CONTROL _.... DATE
PERMIT SET. APPROVED FEW CONSTRUCTION 2/5/00
0I 1
10 I1L-
6' x J x 1/2' PLATE
OR APPROVED EQUAL
NMILOCK r7ii@�
(NH' g10C
O
NOTE: NO PART OF THE WALL
OENTON (FOUNDATION, TIEBACKSEN P
POND OGRIDE,EYE MAY EXTEND — — I4 IF NTO ME R.O.W. —
SF
I ENDING
RETAINING WALL e I 70
N.T.S. — — — \ S90'0'O"E 172.50
F
J
LOT 13
MASH
ENanaRE
7o.IIR
z — — B B TOF= 49
I
w� LOT 14 .1 Ii
y RETAINING WALL LANCER
UMW I $ I Gp PERMIT BY ME BUILDING DI
CURB k Iz - ..
WATER Ip F
N D B0
SECTIONAL -A LOT 15 I y 69._, TD
WORE: 1'.4' 60. 9.M1
II Y2V6910 � i0., COLORED CONCRETE
3
PROPER
UnE
�i AnOSCAPING
0' HET BE
CURB h
CUTTER
SECTION B-B
SCALE: 1'_,V
LOT 16BLOCK
0�
RIVFRSJDARK iY
I
END
INV OUT
TREE PROTECTION NOTES
I) WAIN ME DRIP LINE OF ANY PROTECTED EASING WE, THERE
SHALL BE NO CUT OR FILL OVER A FOUR -INCH DEPTH UNLESS A
QUALIFIED ARBORIST OR FORESTER HAS EVALUATED AND APPROVED ME
DISTURBANCE.
2) ALL PROTECTED EXISTING FALLS SXALL GE PRUNED TO ME Cltt OF
FONT CCUJNS FORESTRY STANDARDS
3) PRIOR TO AND WRING CONSTRUCTION. BARRIERS SHALL BE ERCTED
AROUND ALL PROTECTED EASING MILES WN SUCH BARRIERS TO BE
OF ORANGE FENCING A MINIMUM OF FOUR (A) FEET IN HEIGHT. SECURED
WM METAL DIGESTS, NO CLOSER MAN SIX (6) FEET FROM ME MUNK
OR CNE-HAIL (I/2) CE ME DRIP LINE WHICHEVER IS GREATER. MERE
SHALL BE NO STORAGE OR MOVEMENT OF EQUIPMENT, MATERIAL. DEBRIS
OR FILL WAIN ME MINCED MEE PROTECTION ZONE,
4) WRING ME CONSTRUCTION STAGE CE DEVELOPMENT, ME APPJCANT
MAIL PREVENT ME CLEARING OF EQUIPMENT ON MATERIAL OR ME
STORAGE AND DISPOSAL O WASTE MATERIAL SUCH AS PANTS, OILS,
E
I SOLVENTS, ASPHALTS, CONCRETE, MOTOR OIL OR ANY OTHER MATERIAL
E
1 HARMFUL TO ME LIFE OF A MEE WMIn ME MR LINE OF MY
1
1 PROTECTED MEE OR GROUP CE WES.
I 5) NO DAMAGING ATTACHMENT, WRES. SUNS OR PERMITS MAY BE
1 FASTENED TO ANY PROTECTED MEE.
\ 6) LARGE PROPERTY AREAS CONTAINING PROTECTED NEES AND
Fy
SEPARATED FROM CONSTRUCTION OR LAND CLEARING AREAS. ROAD
'RIBBONED
RIGN3-CE-WAY AND UI EASEMENTS MAY BE OFF-,
RAWER MAN ERECTING PROTECTIVE FENCING AROUND EACH MEE AS
BECOME) IN SUBSECTION (3) ABOVE. THIS MAY BE ACCWPUSHED BY
I PLACING METAL T-POST STAKES A MAXIMUM OF FItt (50) FEET APART
I AND LYING KNOWN OR ROUE FROM STAKE -TO -STAKE ALONG ME
\ OUTSIDE PERIMETERS Of SUCH AREAS BEING CLEARED.
7) ME INSTALLATION O DRUMS. IRRIGATION LINES OR ANY
Pq
UNDERGROUND NXNM REQUIRING EXCAVATION DEEPER MAN SIX (6)
INCHES SMALL BE ACCOMPLISHED BY BORING UNDER ME NOT SYSTEM
\\
1
Of PROTECTED EMSTING MESS AT A MINIMUM DEPTH OF TWENTY-FOUR
(24) INCHES. ME AUGER DISTANCE IS ESTAW9HED MGM THE FACE CE
Ey
\ E N S CA DIAYAIER AT
ME WE (MUTER BARK) AND IS SCALED M
GHT(OUT As DESCBANK)
ART OW.
BREAST CHART MOW.
LOT 17 fl —
CP fig S XP 1
D 68.R2 _ I
69.0
A IP 5ME R INLET 3. 9.25V .�
9. OK Ip BBBBa O
LOT 18 I \ 6B 6&5 IINV."'2629 �; `-- o 0 e 1
O<
SF A ' N90'0 O"W 172.50
XI NO BUILDING
LOT 19 i / LOT 6. BLOCK 3, \\\ I
RIVERSIDE PARK
I i
I
16 83
RUINING Y 4HANDRAIL
(BEHIND WALL) I¢ S' 40EWA11( t
DETENTION
POND
RETAINING WALL
SECTION C-C
SCALE; 1'-1C
HANDRAIL PER
DETAIL 1101
WE DIAMETER AT
BREAST HENHT (INCHES)
AUGER DISTANCE KNOW
PACE O WE (FEET)
0-2
1
}4
2
5-9
5
10-14
10
1}t9
12
O ER 18
15
ENGINEERS STATEMENT
PREPARED UNDER MY SUPERVISION
,EWES T. ,ONES. RE., P.LS. DAIS
CaCRAW NO. INN
FOR AND ON BEHALF Of
JOKES ENGINEERING ASSOCIATES INC
CONSTRUCTION SCHEDULE
--_ 2007
EROSION CONMO- INSTALLATION
CLEARING AND GRUBBING
SITE GRADING
UTILITY INSTALLATION
1 FWNOATIpN CONSTRUCTION
SON
CURB AND GUTTER CONSTRUCTION
SIZE NAMING
WILLING CONSTRUCTION
_ NOS
BUILDING CONSMUCIICN
STE LANDSCAPING
GRADING Pw_rLAN a
INWM
LEGEND
PROJECT BOUNDARY
PROPOSED STORM SEWER
FRCPOSEO 2' CATCH CURB
PROPOSED i' SPILL CURB
PROPOSED RETAINING WALL
PROPOSED CONTOUR
---rtPP9---
EXSlWG CONTOUR
MANAGE ROW ARROW
®
NEW OP'SITE ASPHALT PAVEMENT
COLORED CONCRETE
®
P
INLET PROTECTION
—
VTC
VEHICLE TRACKING CONTROL
+yI
j`j
SILT FENCE
ma^a'
�mmr
ST
TEMPORARY SEDIMENT TRAP
0l7ows
1) WE TOP OF FOUNDATION ELEVATIONS SHOWN ARE ME MINIMUM
ELEVATONS REOUIRED FM PROTECTION FROM ME 100-YEAR STORM.
MINIMUM FINISHED FLOOR ELEVATIONS ABOVE ME 100-YEAR WATER
SURFACE IN STREETS. CHANNELS. DITCHES, $WALES, OR OTHER
DRAINAGE FACILITIES. AS ILLUSTRATED BY A MASTER GRADING PLAN ARE
TO BE SHOW
2) WE LANDSCAPE PLAN PEW FINAL REMEGETATION DESIGN.
J) THE FOUNDATION WILL GE SLAB -ON -GRADE.
4) RETAINING WALLS WM TIE -BACKS MAY NOT BE CONSTRUCTED LUMP
UTILITY EASEMENTS.
5) RETAINING WALLS OVER 30- ARE UNDER SEPARATE PERMIT BY ME
WIDOW DEPARTMENT.
DIRT m9mssl
Oats
CHECKED BY:
—
—�
CHECKED BY:
y
(NECKED BY:
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CHECKED BT:
CHECKED BY:
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able
CHECKED BY:
z z�
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000
3 Uri
N
w Q
N
0
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Y
0
F
FINAL GRADING
AND EROSION
CONTROL PLAN
25M
1 6M,r; i.F.
OA
`
7023
IFArt
I w
VERSION 02-M
C6
PROPOSED WALL
4'
EMERGENCY OVERFLOW WEIR .
1 DRAINAGE PLAN a CI SLEF I" = A-IY
xaRtx
III
ENGINEERS STATEMENT
PREPARED UNDER MT SIFLRNSICN
JAMES E JONU. Pi-. P.L& DATE
COLORADO No. 196M
FEW AND ON BENAIf OF
JONES ENGINEERING ASSOCIATES. INC
VICINITY M
POND SUMMARY TABLE
750 CF
.102 CF
10-M RELEASE RATE
all OF
lOD-VR RELEASE RATE
0.11 OF
POND INWRT
65 MID,
WO WATER SURFACE E,ZVAYON
66,75
WEIR RUNOFF TABLE
KEET
APPROVED
DESIGN
PONT
CanimeullNp
BASIN
(wMU
<Is
<M1
1
0.10
0.5
I.l
2
oss
os
z6
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4
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A A . BASIN DESIGNAMON
B L B . AREA IN ACRES
C . 5 lEM RUNOFF COEFFICIENT
QN . DESIGN POINT
r.. r PROPOSED STORM KKR
PROPOSED V CATCH CURB
PROPOSED ISPILL CURB
PROPOSED RETAINING WALL
-020-- EMIRK CpITWR
—70— PROPOSED CONTOUR
B����• BASIN BOUNDARY
DRAINAGE PLOW pRECTON
NEW ASPHALT PAVEMENT
CRY EngFear
-Dob
CHECKED BT:
11wer & Wwteeatx UtUty
Date
CHECKER BT:
5iwmmtx VtYlly
Date
CHECKED BT:
Light a Pam Utmty
Date
CHECKED BT:
Pan. s RwMlon
Date
CHECKED BY
imlOa En9^ex
Date
CHECKED BY:
owe
z
z_
w
ZOO
W a
N
C�
O
i
O
kI
0
a
2
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E
G
B'
FINAL DRAINAGE
PLAN
2/6/08
EASY SF.
wIFAW
7023 1
BF"
VERSION 02-06
C/
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