HomeMy WebLinkAboutLot Certifications - 06/28/2021 (3)2/14/17 Page 1
CERTIFICATION OF LOT GRADING
Pursuant to Fort Collins City Code § 26-544 & City Land Use Code § 3.3.2 (e)
Date:
Address:
Lot: Block:
Subdivision:
Permit Application #:
Larimer County Parcel #:
Larimer County Reception #:
(on development agreement)
I, (print) , a Colorado registered professional engineer, verify that construction
of all stormwater facilities and grading is complete and hereby submit this certification.
Please answer the following questions by initialing the appropriate response. For each question initialed “No,” attach an
explanation detailing how this will affect stormwater drainage for this lot and any adjacent lots.
1.Certification includes attached Stormwater-approved grading plan. (NOTE: City’s
Building Department does not approve grading plans).
2.Certification includes the attached as-built survey dated (must be within 60
days of the date the certification is submitted) accurately and truthfully depicting
elevations for:
Top of foundation/finished floor
Finished grade on each side of the structure
Quarter points along each lot line (not more than 50 feet apart)
Break points/high points
Swales
Berms
Retaining walls
Air conditioning pads
Window wells
Any other appurtenance(s) within an easement
3.All elevations are within a 0.2 foot tolerance of the approved grading plan.
4.The top of foundation is at least 6 inches above the highest grade surrounding the
structure.
5.There is a minimum grade of 5% away from the structure within the first 5 to 10 feet
adjacent to the residence.
6.All slopes meet or exceed the minimum requirement of 2% (1% is acceptable on single
family lots when the swale is draining the runoff from only two adjoining properties)
and are not steeper than 33% (3:1).
7.All flow lines of stormwater drainage swales are a minimum of 6 inches below the
elevation of ground adjacent to the structure and will direct drainage as shown on the
Stormwater-approved grading plan.
8.All downspout locations and discharge directions are shown on the as-built survey.
Runoff is directed into an appropriate drainage system or lot line swale, and it is not
directed onto neighboring properties.
No Yes
No Yes
No Yes
No Yes
No Yes
No Yes
No Yes
No Yes
DW
DW
DW
DW
DW
DW
DW
DW
Minor differences exceeding 0.2' on cantilevers at north and south edges of building.
Building has extended stem walls above FF elevation.
Wes Lamarque
6/28/2021
2/14/17 Page 2
9.A smooth transition with no vertical offset (step) in grade is provided at the lot line to all
adjacent properties.
10.The grading of this lot does not adversely affect neighboring properties or City
infrastructure.
11.Landscaping has been completed prior to survey. If not, please indicate who will be
responsible for completing landscaping:
12.Final site cleanup has been completed.
13.I personally visited the site as part of the certification process, and in my professional
opinion, the as-built survey is an accurate representation of the site conditions..
No Yes
No Yes
No Yes
No Yes
No Yes
14.Based on this information, I certify that (check one):
□The elevations and drainage patterns of the lot/site are in substantial conformance with the City
approved drainage and grading plan for the property (information attached).
□The elevations and drainage patterns of the lot/site as measured are in general conformance with the
City approved drainage plan with exceptions (information attached). In my professional judgment the
elevations and grading of the lot/site as constructed are functionally adequate and equivalent to the
specifically approved drainage plan, and will affect stormwater drainage on and off the lot/site in a
manner consistent with the approved drainage plan.
Name:
Email:
Phone:
Company:
Address:
NOTE: A complete certification must be submitted at least two weeks prior to a request for a Certificate of Occupancy
for the lot/site, including, but not limited to, drawings of the lot/site showing the approved design and as-built surveyed
elevations of all structures, drainage and grading features, written information/explanation of discrepancies, and other
information necessary to confirm the above certification to:
Email (preferred)
WaterUtilitiesEng@fcgov.com
Mailing Address
Fort Collins Utilities
ATTN: Water Utilities Engineering
281 North College Avenue
Fort Collins, CO 80521
Questions?
970-221-6700
PE Stamp
Sign and date
DW
DW
DW
DW
DW
Site is substantially complete but not finalized
6/11/2021
5005
5010
5015
5020
5005
5010
5015
5020
-0+25 0+00 1+00
ELEV=5015.11
ELEV=5014.43
TOP OF DECK TO
LOW STEEL = 11"
CITY BFE
ELEV=5012.50EXISTING
GROUND
PROPOSED
GROUND
BRIDGE
ABUTMENT
BRIDGE
ABUTMENT
LOW STEEL
ELEV=5013.56
12.7"
PEDESTRIAN
BRIDGE
X
E
E
E
E
X
X
X
X
X
X
X
X
X X
X
X
X
X
X
X
E
E
W
W
W
WW
WW
WW
FO
FO
FO
FO
FO
6"
S
S
6"
S
S
6"
S
S
6"
S
S
6"
S
S
6"
S
S
6"
S
S
6"
S
S
6"
S
S
6"
S
S
6"
S
S
6"
S
S
6"
S
S
CC
8" W 8" W 8" W 8" W
X
X
X
X
S
S S
D
D
UD
UD
UD
UD
UD
UD
UD
UD
UD
UD
UD
UD
UD
UD
E
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54
'
R
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H
T
O
F
W
A
Y
LOT 3 ARTHUR C.
SHEELY FIRST
SUBDIVISION
OWNER: DEVORE, JANICE S.
LOT 3 ARTHUR
C. SHEELY
FIRST
SUBDIVISION
OWNER: HANSCH,
EDWARD C & DEBRA J
LOT 3 ARTHUR
C. SHEELY
FIRST
SUBDIVISION
OWNER: HUFBAURER,
RUTH
BUILDING
C
BUILDING
D
BUILDING
E
PE
D
E
S
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RAIN GARDEN 3
CITY OF FORT COLLINS
100-YR FLOODWAY
CITY OF FORT COLLINS
100-YR FLOODPLAIN
8' CURB CUT
2' REVERSE
SIDEWALK CHASE
4' CURB CUT
RAIN GARDEN 2
RAIN GARDEN 4
5' SIDE
W
A
L
K
HOBBIT STREET
54' RIGHT OF WAY
EXISTING WETLANDS
NATURAL HABITAT
BUFFER ZONE
FEMA 100-YR
HIGH-RISK
FLOOD FRINGE
EX. 10' SEWER EASEMENT
BOOK 1204, PAGE 344
EX. 90' STORM
DRAINAGE EASEMENT
REC. NO. 86072551
26' EAE
24' EAE
24' EAE
24' EMERGENCY ACCESS
EASEMENT BY SEPARATE
DOCUMENT
UTILITY AND ACCESS
EASEMENT BY
SEPARATE DOCUMENT
PEDESTRIAN ACCESS
EASEMENT BY
SEPARATE DOCUMENT
DRAINAGE EASEMENT BY
SEPARATE DOCUMENT
OFF-SITE RIGHT OF WAY DEDICATION
BY SEPARATE DOCUMENT
OFF-SITE RIGHT OF WAY DEDICATION
BY SEPARATE DOCUMENT
RIGHT OF WAY DEDICATION
OFF-SITE 9' UTILITY EASEMENT
BY SEPARATE DOCUMENT
OFF-SITE 9' UTILITY EASEMENT
BY SEPARATE DOCUMENT
9' UTILITY EASEMENT
0.5%
2.
5
%
2.0
%
1.
0
%
1.
0
%
0.5%
2.
0
%
2' SIDEWALK CHASE
2' CURB CUT
1.0%
1.0%
1.0%
1.0%
1.0
%
1.0%
1.0%
1.0%
1.0%
2' SIDEWALK
CHASE
2' SIDEWALK
CHASE
2.0%
SCOURSTOP MAT
SCOURSTOP MATS
SCOURSTOP MAT
TRANSITION TO
6" CURB HEIGHT
TRANSITION TO
6" CURB HEIGHT
STA:720 EL
E
V
:
5
0
1
1
.
1
5
STA:80
5
E
L
E
V
:
5
0
1
1
.
4
2
STA
:
9
0
5
E
L
E
V
:
5
0
1
1
.
8
9
ST
A
:
9
8
3
E
L
E
V
:
5
0
1
2
.
0
8
ST
A
:
1
0
7
5
E
L
E
V
:
5
0
1
2
.
3
1
ST
A
:
1
1
3
6
E
L
E
V
:
5
0
1
2
.
5
3
PROVIDE MEMBRANE LINER
ALONG EAST FACE OF RAIN GARDEN
- SEE BIORETENTION DETAIL
SCOURSTOP MAT
SCOURSTOP MAT
2.
6
%
2.
4
%2.
5
%
2.3%
2.4%
2.9%
2.4%
2.
0
%
2.
6
%
6' CURB
TRANSITION
6' CURB
TRANSITION
DIRECT ROOF DRAIN
TO PAN TO WEST
DIRECT ROOF DRAIN
TO NORTHWEST TO
DRAIN TO RAIN GARDEN
DIRECT ROOF DRAIN
TO DRAIN TO EAST
12" RIBBON CURB
NO CURB HEAD
HERE TO HERE
2.0%
CONCRETE RUNDOWN
- SEE DETAIL, SHEET D8
CONCRETE CHANNEL
CONCRETE RUNDOWN
- SEE DETAIL, SHEET D8
CONCRETE RUNDOWN
- SEE DETAIL, SHEET D8
2.1
%
2.1
%
2.
1
%
16.
2
%
5.5
%
4.6
%
4.3%
3.6
%
5.8
%
3.4
%
2.
0
%
2.6
%
4:1
6:1
6:1
14:1
5:1
0.5%
4:
1
4:
1
4:
1
4:
1
14.1%
11
.
1
%
5.0%
7:1
5:1
5:1
9:1
5:1
5:1
TOE OF SLOPE
TOE OF SLOPE
TOE OF SLOPE
5.3%
3.0%
2.2%
5.
0
%
2.4%
4.
6
%
2.
2
%
2.0
%
2.
2
%
2.3%
2.4%
2.2%
2.4%
2.2%
5:1
8:1
11:1
17:1
10
:
1
13:1
2.
0
%
2.7
%
2.5%
2.0%
2.
9
%
2.0%
2.3%
2.0%
2.3%
13.2
7
12.5
3
13.1
5
12.6
2
12.8
9
12.8
9
13.0
3
12.6
4
12.6
1
12.03
12.4
713.0
2
12.4
6
13.0
0
13.1
8
15.36
13.1
5
13.9
3
13.2
9
12.7
9
13.7
5
14.8
3
14.9
1
15.7
3
14.7
0
15.4
1
14.86
13.6
8
14.1
9
14.20 15.0
8
15.7
0
FFE=15.67
FFE=14.50
FFE=15.20
FFE=15.70
15.5
3
15.1
7
15.0
0
16.
5
8
13
.
2
9
10.7
0
12.8
5
15.44
13.6
1
13.5
1
12.9
9 12.7
8
13.16
13
.
2
2
12
.
3
7
12
.
2
0
12
.
6
1
12.3
8
12.8
0
12.06
12.4
6
11
.
9
8
12.4
7
12.5
7
12.9
0
15.2
9
15.3
5
15.3
8
14.8
7
13.6
0
13.7
2
13.7
5
13.88 13
.
5
4
13.96
13
.
9
7
15.0
8
15.2
7
14.7
3 14.6
4
14.5
6
14.7
2
14.1
0
13.7
0
13.
7
8
14.0
1
12.8
4
12.7
2
13.34
13.45
13.3
9
14.5
8
14.54
14.6
6
15.4
5
15.4
5
15.5
6
15.
5
0
15.6
1
16.2
4
10
.
8
4
9.72
13.5
8
15
.
2
7
15.1
9
15.5
2
15.6
7 15.89
15
.
9
3
16.1
8
17.3
9
17.3
815.6
7
15.67
15.0714.83
14.8
6
14.8
6
14.8
0
14.7
8
14.7
5
15.20
15
.
2
0
15.20
15.20
16.19
16.28
16.7
0
14
.
7
8
14.76
14.75
14.
7
2
15.7
5
16.0
1
16.
7
0
16.7
0
16
.
7
0
16.70
16
.
7
0
16
.
7
0
16
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7
0
16.70
16
.
7
0
15.70
15
.
2
0
15.20
14.5
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14.5
0
14.5
0
14.50
15.20
15
.
2
1
14
.
9
2
15.03 15.03
15.
0
3
15.0
3
15.03
15.0
3
15.0
3
15.
0
3
15.0
3
15
.
0
3
15.03
15.
0
3
14
.
8
7
15.24
15.
7
0
15.
7
0
15.7
0
16
.
7
0
16.7016.7
0
16.
7
0
16
.
7
0
16.7
0
16
.
7
0
15.75
15
.
7
5
15.21
15.13
15.2
5
15.9
7
15.9
4
16.0
7
16.1
5
16.
1
6
16
.
0
3
16.0
0
15.1
6
14.3
8
14.6
6
14.7
5
14.7
8
14.8
6
15.24
15.4
6
15.81
16.
2
1
15.9
6
15.8
3
15.
4
6
14.
9
4
14.50
14.43
14.
4
3
14
.
3
9
14.00
14.5
0
14.5
0
13.8
3
14.5
0
13.8
3
13.
8
3 13.8
3
13.6
0
13.83 13.8
1
13.8
3
13.8
3
13.8
3
13.8
3
13
.
8
3
13.5
8
13.68
13.6
1
15.0
0
13.
8
3
13.83
13.2
6
15.3
6
15.08
15
.
1
6
15
.
0
3
13.3
0
13.46
15.00
13.36
13.4
7
13.2
0
13.02
12.9
1
12.7
8
12.7
6
12.7
8
12.93
12.5
3
12.66
12.15
12.0
2
11.7
9
11.93
11.3
5
11.48
11.0
0
11.13
11.0
1
11.14
10.6
0
10.4
7
9.80
9.60
9.56
9.6
3
9.70
11.48
13.20
14.00
14.1
0
14.
1
0
14.0
0
14.
1
2
14
.
0
0
14.2
3
14.6
3
14.6
3
14.23
14.3
8
14.53
15.4
7 15.27
15.11
13.85 13.83
13.5
8
13.5
8
13.58
12.0
6
11.9
7
15.08
13.62 13.45
9.77 10.7
5
14.0
8
14.33
14.90
14.4
4
14.8
3
15.4
3
12
.
9
9
13.00
13.36
13.
7
9
12.9
3
11.11
11
.
1
1
13.6
5
15.11
15
.
9
8
13.9
1
14.9214.6
3
16.69
11
.
8
5
FFE=14.50
15.6
7
15.67
13.
1
7
13.1
3
TOC
14.5
0
14.5
0
14.5
0
14.50
14.5
0
14.50
14.5
0
15.00
15.0
0
15.00
13.
8
3
13.8
3
13.83
12.5
1
13.5012.50
13.8
1
14
.
6
6
14.
7
8
14.
7
4
FFE=15.70
15
.
7
0
15
.
7
0
15
.
7
0
15.70
15.03
14
.
4
2
15.14
9.67
12.50
12.5
0
12.50
12.5
0
12.8
1
12.73
12.6
9
12.7
1
9.0
7
9.02
11.2
5
13.
5
0
13.50
13.5
0
10.2
7
11.
2
5
11.25
11.25
12
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0
0
12.0
0
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0
11.2
5
11.
2
5
12.00
12
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0
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12
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6
7
12.2
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11.
8
5
13.3
0
13.38
13.4
2
13.6
1
14.24
14.39
14.2
5
13
.
2
7
13.63
13.60
13.25
13.5
8
13.58
13.2
5
13
.
2
5
13.25
13.4
5
13.1
6
13.3
5
13.1
8
13.2
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13.3
5
13.25
13.0
0
13.1
0
13.1
1
13.00
13.10
13
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0
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12.5
9
11
.
4
3
11.43 12.25
12.2
5
12.
2
5
12.2
5
12.25
12.25
12.2
5
11.2
5
11.25
11.2
6
11.2
5
11.25
11.25
11.2
5
11.
2
6
12
.
5
0
13.
5
0
12
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5
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12.50
13.50
12.5
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12.2
5
12.25
14.43
14.2
7
GB
13.
5
0
13.24
13.50
13.7
8
12.9
3
13.72
11.98
12
.
5
0
13.50
9.00
13.3
3
13.3
3
13.3
3
13.3
3
13.3
3
14.51
14.1
5
14
.
5
6
13.8
9
14.1
4
14.94
14.6
3
BEGIN CURB CUT
END CURB CUT
CONCRETE
SIDEWALK CULVERT
SEE SITE DETAIL D-12
PRIVATE TEMPORARY CONSTRUCTION EASEMENT
CONVEYED FROM LANDMARK APARTMENTS EXPANSION
TO LANDMARK P.U.D.
15.2
0
15.6
8
15.8
2
15.6
5
15.8
1
15
.
6
5
15.56
15.71
14
.
4
3
14.55
TRACT B
PULSE PUD FILING ONE
OWNER: NORTH SPRING CREEK
PROPERTIES LLC
EDGE OF WATER
EDGE OF WATER
EDGE OF WATER
14.5
0
14.50
AREA DETAIL 1
- SEE SHEET G3
AREA DETAIL 2
- SEE SHEET G3
AREA DETAIL 3
- SEE SHEET G4
15.20
15.
2
0
15.50
13.50
1' SIDEWALK CHASE
1' SIDEWALK CHASE
KEYMAP
DCDC
CC
Sheet
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c
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of 34
7/19/19
LEGEND:
PROPOSED CONTOUR
EXISTING STORM SEWER
PROPOSED STORM SEWER
PROPOSED SWALE
EXISTING CONTOUR
PROPOSED CURB AND GUTTER
PROPERTY BOUNDARY
PROPOSED SPOT ELEVATION
PROPOSED SLOPES
1.THE SIZE, TYPE AND LOCATION OF ALL KNOWN UNDERGROUND UTILITIES ARE
APPROXIMATE WHEN SHOWN ON THESE DRAWINGS. IT SHALL BE THE
RESPONSIBILITY OF THE CONTRACTOR TO VERIFY THE EXISTENCE OF ALL
UNDERGROUND UTILITIES IN THE AREA OF THE WORK. BEFORE COMMENCING NEW
CONSTRUCTION, THE CONTRACTOR SHALL BE RESPONSIBLE FOR LOCATING ALL
UNDERGROUND UTILITIES AND SHALL BE RESPONSIBLE FOR FOR ALL UNKNOWN
UNDERGROUND UTILITIES.
2.REFER TO THE PLAT FOR LOT AREAS, TRACT SIZES, EASEMENTS, LOT DIMENSIONS,
UTILITY EASEMENTS, OTHER EASEMENTS, AND OTHER SURVEY INFORMATION.
3.ALL PROJECT DATA IS ON THE CITY OF FORT COLLINS VERTICAL DATUM; NAVD88.
SEE COVER SHEET FOR BENCHMARK REFERENCES.
4.FLOOD ZONE DESIGNATION: ACCORDING TO FEMA MAP NUMBER 08069C0979H,
DATED MAY 2, 2012, A PORTION OF THE TRACT ABUTTING THIS LAND IS WITHIN A
FEMA DESIGNATED SPECIAL FLOOD HAZARD AREA (SFHA), AND IS SUBJECT TO
INUNDATION BY THE 1% ANNUAL CHANCE (100-YEAR) FLOOD. THIS LAND IS ALSO
SUBJECT TO THE CITY OF FORT COLLINS FLOODPLAIN AND FLOODWAY KNOWN AS
THE "CANAL IMPORTATION CHANNEL".
5.PORTIONS OF THIS PROPERTY ARE LOCATED IN THE FEMA-REGULATORY 100-YR
HIGH-RISK FLOOD FRINGE AND CITY OF FORT COLLINS FLOOD FRINGE AND
FLOODWAY, AND MUST COMPLY WITH THE FLOODPLAIN REQUIREMENTS OF
CHAPTER 10 OF THE CITY OF FORT COLLINS MUNICIPAL CODE.
6.STORAGE OF EQUIPMENT AND MATERIALS IS NOT ALLOWED IN THE FLOODWAY.
7.NONSTRUCTURAL DEVELOPMENT (FENCES, DETENTION PONDS, HARD SURFACE
PATHS, FILL, DRIVEWAYS, PARKING AREAS, VEGETATION, ETC.) IS ALLOWED WITHIN
THE 100-YEAR FLOODWAY AS LONG AS IT CAN BE PROVEN THAT THE DEVELOPMENT
WILL NOT CAUSE A RISE IN THE BASE FLOOD ELEVATION (BFE) OR A CHANGE TO
THE FLOODWAY OR FLOOD FRINGE BOUNDARIES. NONSTRUCTURAL DEVELOPMENT
IS NOT RESTRICTED WITHIN THE FLOOD FRINGE.
8.ANY AND ALL CONSTRUCTION ACTIVITIES IN THE FLOODWAY OR FLOOD FRINGE
MUST BE PRECEDED BY AN APPROVED FLOODPLAIN USE PERMIT. IF THE
CONSTRUCTION IS IN THE FLOODWAY A NO-RISE CERTIFICATION MUST BE
APPROVED PRIOR TO CONSTRUCTION.
9.PLEASE SEE SECTION 3.4.1 OF THE LAND USE CODE FOR ALLOWABLE USES WITHIN
THE NATURAL HABITAT BUFFER ZONE. THE NATURAL HABITAT BUFFER ZONE IS
INTENDED TO BE MAINTAINED IN A NATIVE LANDSCAPE.
10.A FLOODPLAIN USE PERMIT WILL BE REQUIRED FOR STORM OUTFALL LOCATIONS,
BRIDGE ABUTMENTS, AND PEDESTRIAN TRAIL LOCATED WITHIN THE FLOODPLAIN.
THE TURF REINFORCEMENT MATS WITHIN THE FLOODWAY WILL REQUIRE A NO-RISE
CERTIFICATION.
11.THE EXISTING WETLANDS SHALL NOT BE DISTURBED BY ANY CONSTRUCTION OR
DEVELOPMENT ACTIVITIES, EXCEPT AS APPROVED BY THE CITY ENVIRONMENTAL
PLANNER AND IN ACCORDANCE WITH SECTION 3.4.1 OF THE LAND USE CODE.
12.SEE DETAIL, SHEET EC3 FOR MORE INFORMATION ON SCOURSTOP MATS
NOTES:
PROPOSED STORM INLET
EXISTING SPOT ELEVATION
PROPOSED FIRE HYDRANT
PROPOSED LOT LINE
PROPOSED CONCRETE
CROSS PAN (TYP.)
EXISTING RIGHT OF WAY
PROPOSED RIGHT OF WAY
FLOODPLAIN AND FLOODWAY
POROUS LANDSCAPE DETENTION
MATCHLINE-SEE SHEET G1
G2
G2
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10
DateCity Engineer
Date
Date
Date
Date
Stormwater Utility
Parks & Recreation
Traffic Engineer
Date
APPROVED:
CHECKED BY:
CHECKED BY:
CHECKED BY:
CHECKED BY:
CHECKED BY:
Water & Wastewater Utility
City of Fort Collins, Colorado
UTILITY PLAN APPROVAL
Environmental Planner
NORTH
( IN FEET )
0
1 INCH = 20 FEET
20 20 40 60
PEDESTRIAN BRIDGE PROFILE
CALL UTILITY NOTIFICATION CENTER OF
COLORADO
Know what's below.
before you dig.Call
R