HomeMy WebLinkAboutLot Certifications - 04/13/20222/14/17 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
Stephen Agenbroad
4/13/2022
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
i2
Consultants, Inc.
16911 Potts Place, Mead, CO
970.217.9148 troy@i2-consultants.com
Exceptions to the Site
Grading Policies/Requirements
April 11, 2022
RE: 224 2nd Street, Fort Collins, CO
Lot 16, Block 7, Buckingham Place
(Building Permit No. B2105707)
EXCEPTIONS
The surveyed garage finished floor is higher than the approved Grading Plan elevation,
outside of the 0.2’ tolerance. The finished floor is higher so that drainage will flow away
from the foundation. The finished grade near the northwest corner of the building
addition is higher than the Grading Plan, however the elevation is more than 6” below
the finished floor. The finished grade is higher than 0.2’ outside of tolerance at the
northeast corner of the building addition, however the finished grade is below the
finished floor by more than 6”.
The swale along the south side of the garage and building addition is less than 6” deep
between the building and the lot line. The swale matches existing elevations for the
adjacent lot and the depth of swale is restricted due to the existing conditions and
elevations of the structure. There are no downspouts directed towards the swale,
therefore the swale will drain landscaped area.
X
X X X X X X X X X X X X X
X
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X
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X
X
X X X X X X X X X X X
X
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4952
49
5
2
EXISTING RESIDENCE
EXISTING FF = 4953.92
SE
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(6
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LOT 16, BLOCK 7
BUCKINGHAM PLACE
LOT 15, BLOCK 7
BUCKINGHAM PLACE
LOT 17, BLOCK 7
BUCKINGHAM PLACE
EXISTING
BUILDING
PROPOSED ADDITION
PROPOSED FF = 4953.92
PROPOSED GARAGE
FF = 4952.3
495
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.
7
495
3
.
4
4954.08
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4953.3
4953.0
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JLB
08/25/2021
BUILDING PERMIT
SUBMITTAL
LEGEND OF SYMBOLS
Know what's below.
before you dig.Call
R
NOTES
BASIS OF ELEVATION
224 2ND STREET
GRADING CERTIFICATION EXHIBIT
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EXISTING RESIDENCE
EXISTING FF = 4953.92
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'
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LOT 16, BLOCK 7
BUCKINGHAM PLACE
LOT 15, BLOCK 7
BUCKINGHAM PLACE
LOT 17, BLOCK 7
BUCKINGHAM PLACE
EXISTING
BUILDING
PROPOSED ADDITION
PROPOSED FF = 4953.92
PROPOSED GARAGE
FF = 4952.3
C-1
SHEET
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JLB
08/25/2021
BUILDING PERMIT
SUBMITTAL
LEGEND OF SYMBOLS
Know what's below.
before you dig.Call
R
NOTES
BASIS OF ELEVATION
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Estimation
Name Selection Formula Calculation
Roof Lines - Hips 1st Level Roof Lines - Hips 0
Roof Lines - Free Eave 1st Level Roof Lines - Free Eave 136
Roof Lines - Raked Overhang 1st Level Roof Lines - Raked Overhang 129.39
Ridge Lines 1st Level Ridge Lines 70 ft
Roof - Plane Area 1st Level Roof - Plane Area 2711.08
Roof Lines - Valley 1st Level Roof Lines - Valley 0
Truss Connector Total List
Manuf Product Qty
Simpson One LTS12 18
USP One RT7A 60
G01
S01
S01
S01
S01
S01
S01
S01
S01
S02
S02
S02
S03
T01
T01
T01
T01
T01
SG01
T02
T02
T02
T02
S04
S04
S04
S04
S04
SG02
T03
T03
T03
25
-
1
1
-
1
5
1
0
-
0
0
-
0
0
2
0
-
0
0
-
0
0
56
-
0
0
-
0
0
56
-
0
0
-
0
0
41-08-00
3-00-00 21-06-08 17-01-08
22-00-00
2-00-00
2-00-00
2-00-00
2-00-00
2-00-00
2-00-00
2-00-00
2-00-00
2-00-00
2-00-00
2-00-00
2-00-00
2-00-00
2-00-00
2-00-00
2-00-00
2-00-00
2-00-00
2-00-00
2-00-00
1-10-08
2-00-00
2-00-00
2-00-00
2-00-00
2-00-00
2-00-00
2-00-00
2-00-00
2-00-00
2-00-00
SHEET
Ti
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T
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11
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1
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8
2
4
1
4
P:
3
0
7
-
5
8
7
-
2
1
8
7
These trusses are designed as individual building components to be incorporated into the building
design at the specification of the building designer. See individual design sheets for each truss
design identified on the placement drawing. The building designer is responsible for temporary and
permanent bracing of the roof and floor system and for the overall structure. The design of the
truss support structure including headers, beams, walls, and columns is the responsibility of the
building designer. For general guidance regarding bracing, consult "Bracing of wood trusses"
available from the Truss Plate Institute, 583 D'Onifrio Drive; Madison, WI 53179.
THIS IS A TRUSS PLACEMENT DIAGRAM ONLY.
Drawing Date:2/19/2021
Revised Date:5/26/2021
Not To Scale
Truss spacing 24"o.c.Typ.unless specified
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:
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0
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:
0
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:
1
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612
=6x12
=6x6
=3x8
=3x8
=5x5
=3x8
=3x8
=6x6
=6x12
271
2
50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28
26
2535154244
235
226217
208
199
10 18
52 531711
12 16
13 15
14
T2
T1
T2
T1
B1 B1B2
ST11
ST10
ST9
ST8
ST7
ST6
ST5
ST4
ST3
ST2
ST1
ST10
ST9
ST8
ST7
ST6
ST5
ST4
ST3
ST2
ST1HW1HW1
2-0-0
43-8-0
2-0-0
-2-0-0
20-10-0
41-8-0
20-10-0
20-10-0
41-8-0
11
-8-15
1-1-0
11
-6-0
Scale = 1:78
Plate Offsets (X, Y):[3:0-2-5,0-2-4], [6:0-1-14,Edge], [22:0-1-14,Edge], [25:0-2-5,0-2-4], [26:Edge,0-5-1]
Loading (psf)Spacing 2-0-0 CSI DEFL in (loc)l/defl L/d PLATES GRIP
TCLL 30.0 Plate Grip DOL 1.15 TC 0.42 Vert(LL)n/a -n/a 999 MT20 197/144
(Roof Snow = 30.0)Lumber DOL 1.15 BC 0.03 Vert(CT)n/a -n/a 999
TCDL 10.0 Rep Stress Incr YES WB 0.15 Horz(CT)0.01 26 n/a n/a
BCLL 0.0 *Code IRC2018/TPI2014 Matrix-S
BCDL 10.0 Weight: 249 lb FT = 20%
LUMBER
TOP CHORD 2x4 SPF 1650F 1.5E
BOT CHORD 2x4 SPF 1650F 1.5E
OTHERS 2x4 SPF No.2
SLIDER
BRACING
TOP CHORD
BOT CHORD
WEBS 1 Row at midpt
REACTIONS
Max Uplift
Max Grav
FORCES (lb) - Max. Comp./Max. Ten. - All forces 250
(lb) or less except when shown.
TOP CHORD
WEBS
NOTES
1)
2)
3)
4)
5)
9)
10)
11)
12)
13)
LOAD CASE(S)
Job Truss Truss Type Qty Ply
009324 G01 11 Job Reference (optional)
Run: 8.43 S Feb 12 2021 Print: 8.430 S Feb 12 2021 MiTek Industries, Inc. Wed May 26 09:15:52 Page: 1
ID:RqVIqZK6dv1U?R4YeHrM8OzCfle-ecpQ8uJUQN3_ZjzClB9vLMombY?5OM_LgkpP_yzCfbL
612
412
=5x12
=4x6
=3x8
=6x6
=3x5
=M18SHS 5x12
=1.5x4
=8x8
=3x8
=1.5x4
=6x8
=3x8
=3x5
=4x4
=6x8
=3x5
1 1219
17 16 15 14
13
26 27
2 11
20 2518
3 1094
5 82124
2322
6
7
T2
T1
T2
T1
W13W1
B1 B2
B3 B4
W3
W4
W5
W6 W7 W8
W9
W10 W11
W12
W2
1-5-12
20-10-0
2-0-0
-2-0-0
2-0-0
43-8-0
6-3-11
12-10-13
6-5-7
19-4-4
6-10-3
34-6-5
6-7-3
6-7-3
6-10-3
27-8-3
7-1-11
41-8-0
0-5-8
0-5-8
6-10-3
34-6-5
7-1-11
41-8-0
8-5-11
27-8-3
9-4-8
9-10-0
9-4-8
19-2-8
11
-8-15
1-1-0
11
-6-0
3-1-8
Scale = 1:80
Plate Offsets (X, Y):[7:0-5-8,0-2-8], [11:0-3-0,0-1-8], [13:Edge,0-1-8], [17:0-8-4,0-2-4], [18:0-2-12,0-3-8], [19:0-2-0,0-2-0]
Loading (psf)Spacing 2-0-0 CSI DEFL in (loc)l/defl L/d PLATES GRIP
TCLL 30.0 Plate Grip DOL 1.15 TC 0.76 Vert(LL)-0.27 18-19 >861 240 MT20 197/144
(Roof Snow = 30.0)Lumber DOL 1.15 BC 0.58 Vert(CT)-0.53 18-19 >430 180 M18SHS 197/144
TCDL 10.0 Rep Stress Incr YES WB 0.81 Horz(CT)0.04 17 n/a n/a
BCLL 0.0 *Code IRC2018/TPI2014 Matrix-S
BCDL 10.0 Weight: 206 lb FT = 20%
LUMBER
TOP CHORD 2x4 SPF 1650F 1.5E
BOT CHORD 2x4 SPF 1650F 1.5E
WEBS 2x4 SPF No.2
BRACING
TOP CHORD
BOT CHORD
REACTIONS (lb/size)
Max Uplift
Max Grav
FORCES (lb) - Max. Comp./Max. Ten. - All forces 250
(lb) or less except when shown.
TOP CHORD
BOT CHORD
WEBS
NOTES
1)
2)
3)
4)
6)
7)
8)
9)
10)
11)
12)
LOAD CASE(S)
Job Truss Truss Type Qty Ply
009324 S01 18 Job Reference (optional)
Run: 8.43 S Feb 12 2021 Print: 8.430 S Feb 12 2021 MiTek Industries, Inc. Wed May 26 09:15:52 Page: 1
ID:NDc2FEMM9WHCElExmitqDpzCflc-ecpQ8uJUQN3_ZjzClB9vLMohHYsVOCgLgkpP_yzCfbL
612
412
=5x12
=4x6
=3x8
=6x6
=3x5
=M18SHS 5x12
=1.5x4
=8x8
=3x8
=1.5x4
=6x8
=3x8
=3x5
=4x4
=6x8
=3x5
1 1219
26 271716 15 14
13
2 11
20 2518
3 1094
5 82421
2322
6
7
T2
T1
T2
T1
W13W1
B1 B2
B3 B4
W3
W4
W5
W6 W7 W8
W9
W10 W11
W12
W2
1-5-12
20-10-0
1-11-15
-1-11-15
2-0-0
43-8-0
6-3-11
12-10-14
6-5-7
19-4-5
6-10-3
34-6-6
6-7-3
6-7-3
6-10-3
27-8-3
7-1-11
41-8-0
0-5-8
0-5-8
6-10-3
34-6-6
7-1-11
41-8-0
8-5-11
27-8-3
9-4-8
9-10-0
9-4-8
19-2-9
11
-8-15
1-1-0
11
-6-0
3-1-8
Scale = 1:80
Plate Offsets (X, Y):[7:0-5-8,0-2-8], [11:0-3-0,0-1-8], [13:Edge,0-1-8], [17:0-8-4,0-2-4], [18:0-2-12,0-3-8], [19:0-2-4,0-2-0]
Loading (psf)Spacing 2-0-0 CSI DEFL in (loc)l/defl L/d PLATES GRIP
TCLL 30.0 Plate Grip DOL 1.15 TC 0.76 Vert(LL)-0.27 18-19 >861 240 MT20 197/144
(Roof Snow = 30.0)Lumber DOL 1.15 BC 0.58 Vert(CT)-0.53 18-19 >430 180 M18SHS 197/144
TCDL 10.0 Rep Stress Incr YES WB 0.81 Horz(CT)0.04 17 n/a n/a
BCLL 0.0 *Code IRC2018/TPI2014 Matrix-S
BCDL 10.0 Weight: 206 lb FT = 20%
LUMBER
TOP CHORD 2x4 SPF 1650F 1.5E
BOT CHORD 2x4 SPF 1650F 1.5E
WEBS 2x4 SPF No.2
BRACING
TOP CHORD
BOT CHORD
REACTIONS (lb/size)
Max Uplift
Max Grav
FORCES (lb) - Max. Comp./Max. Ten. - All forces 250
(lb) or less except when shown.
TOP CHORD
BOT CHORD
WEBS
NOTES
1)
2)
3)
4)
6)
7)
8)
9)
10)
11)
12)
LOAD CASE(S)
Job Truss Truss Type Qty Ply
009324 S02 13 Job Reference (optional)
Run: 8.43 S Feb 12 2021 Print: 8.430 S Feb 12 2021 MiTek Industries, Inc. Wed May 26 09:15:52 Page: 1
ID:rPAQSaN?wqP3svp7JPO3m1zCflb-ecpQ8uJUQN3_ZjzClB9vLMohHYsVOCgLgkpP_yzCfbL
612
412
=5x12
=4x6
=3x8
=8x8
=1.5x4
=4x8
=6x6
=6x6
=5x5 =3x8
=4x4
=3x5
=3x8
=4x4
=3x8
=4x6
One LTS12
1 1219
17 26 27 16 28 15 29 14
13
2 11
20 2518
3
10
94
5
82421
6 2322
7
T2
T1
T2
T1
W13W1
B1 B2
B3 B4
W7 W8
W9 W10
W11 W12
W2
W3
W4
W5
W6
1-11-15
-1-11-15
2-0-0
43-8-1
4-7-8
9-10-0
5-2-8
20-10-1
5-2-8
5-2-8
5-9-8
15-7-9
6-10-3
34-6-6
6-10-3
27-8-3
7-1-11
41-8-1
0-5-8
0-5-8
5-6-12
24-9-5
8-3-10
33-0-15
8-7-2
41-8-1
9-4-8
9-10-0
9-4-8
19-2-9
11
-8-15
1-1-0
11
-6-0
3-1-8
Scale = 1:80
Plate Offsets (X, Y):[2:0-2-4,0-2-0], [3:0-1-12,0-2-0], [11:0-3-0,Edge], [17:0-3-0,0-2-11], [18:0-4-0,0-3-11]
Loading (psf)Spacing 2-0-0 CSI DEFL in (loc)l/defl L/d PLATES GRIP
TCLL 30.0 Plate Grip DOL 1.15 TC 0.89 Vert(LL)-0.31 17-18 >941 240 MT20 197/144
(Roof Snow = 30.0)Lumber DOL 1.15 BC 0.70 Vert(CT)-0.64 17-18 >464 180
TCDL 10.0 Rep Stress Incr YES WB 0.83 Horz(CT)0.14 16 n/a n/a
BCLL 0.0 *Code IRC2018/TPI2014 Matrix-S
BCDL 10.0 Weight: 202 lb FT = 20%
LUMBER
TOP CHORD 2x4 SPF 1650F 1.5E
BOT CHORD 2x4 SPF 1650F 1.5E
WEBS
BRACING
TOP CHORD
BOT CHORD
REACTIONS (lb/size)
Max Uplift
Max Grav
FORCES (lb) - Max. Comp./Max. Ten. - All forces 250
(lb) or less except when shown.
TOP CHORD
BOT CHORD
WEBS
NOTES
1)
2)
3)
4)
6)
7)
8)
9)
10)
11)
12)
LOAD CASE(S)
Job Truss Truss Type Qty Ply
009324 S03 11 Job Reference (optional)
Run: 8.43 S Feb 12 2021 Print: 8.430 S Feb 12 2021 MiTek Industries, Inc. Wed May 26 09:15:53 Page: 1
ID:F_sZ5cPtClndjMYi?YxmOfzCflY-6oNoLEK6BhBrAtXPJug8uaLq?yAs7fdUuOZzXOzCfbK
612
4
12
=4x6
=4x6
=4x4
=4x6
=6x8
=4x4
=4x6
=4x6
1 7
10 8
2 6
11 161512
9
3 51314
4
T1 T1
W1 W1
B1 B1
W4
W3W3
W2 W2
2-0-0
-2-0-0
2-0-0
19-1-8
4-1-10
12-8-6
4-1-13
8-6-12
4-4-15
4-4-15
4-5-2
17-1-8
0-5-8
0-5-8
0-5-8
17-1-8
8-1-4
16-8-0
8-1-4
8-6-12
5-7-5
1-1-0
5-4-6
2-8-7
Scale = 1:43.2
Plate Offsets (X, Y):[2:0-3-0,Edge], [3:Edge,0-1-8], [5:Edge,0-1-8], [6:0-3-0,Edge]
Loading (psf)Spacing 2-0-0 CSI DEFL in (loc)l/defl L/d PLATES GRIP
TCLL 30.0 Plate Grip DOL 1.15 TC 0.51 Vert(LL)-0.16 9-10 >999 240 MT20 197/144
(Roof Snow = 30.0)Lumber DOL 1.15 BC 0.49 Vert(CT)-0.34 9-10 >591 180
TCDL 10.0 Rep Stress Incr YES WB 0.94 Horz(CT)0.15 8 n/a n/a
BCLL 0.0 *Code IRC2018/TPI2014 Matrix-S
BCDL 10.0 Weight: 73 lb FT = 20%
LUMBER
TOP CHORD 2x4 SPF 1650F 1.5E
BOT CHORD 2x4 SPF 1650F 1.5E
WEBS 2x4 SPF No.2
BRACING
TOP CHORD
BOT CHORD
REACTIONS (lb/size)
FORCES (lb) - Max. Comp./Max. Ten. - All forces 250
(lb) or less except when shown.
TOP CHORD
WEBS
NOTES
1)
2)
3)
4)
5)
6)
7)
8)
9)
10)
LOAD CASE(S)
Job Truss Truss Type Qty Ply
009324 S04 15 Job Reference (optional)
Run: 8.43 S Feb 12 2021 Print: 8.430 S Feb 12 2021 MiTek Industries, Inc. Wed May 26 09:15:53 Page: 1
ID:F_sZ5cPtClndjMYi?YxmOfzCflY-6oNoLEK6BhBrAtXPJug8uaLwxyD77dvUuOZzXOzCfbK
612
=4x6
=3x5
=3x5
=3x8
=3x5
=3x5
=2.5x4
=2.5x4
=3x5
=2.5x4
=2.5x4
=2.5x4
=6x6
=5x8
=3x5
=2.5x4
=2.5x4
=3x5
=3x5
=2.5x4
=2.5x4
=3x8
=3x5
=3x5
=3x8
=4x4
=3x8
=4x6
1127
26 25 24 2361 22 2162 20 631918 17 1664 15 65 14 66 13
12
101602
55
93
84
5 75659
5857
6
T2
T1
T2
T3
W12
W1
B1 B3B2
W3
W4 W5
W6 W7
W8 W9
W10 W11W2
ST14
ST12
ST13
ST11
ST9
ST10
ST7
ST8
ST5
ST6
ST4
ST3ST1
ST2
ST15
ST16
ST17
ST18
ST19
ST20
ST21
ST22
ST23
2-0-0
40-8-0
2-0-0
-2-0-0
4-1-11
4-1-11
6-10-3
31-6-5
6-10-3
10-11-14
6-10-3
24-8-3
6-10-3
17-10-0
7-1-11
38-8-0
5-5-7
5-5-7
8-1-15
21-9-4
8-1-15
13-7-5
8-3-10
30-0-14
8-7-2
38-8-0
11
-8-15
2-7-0
1-1-0
11
-6-0
Scale = 1:76.9
Plate Offsets (X, Y):[2:0-3-0,Edge], [6:0-1-12,0-1-8], [10:0-3-0,Edge], [15:0-2-7,0-1-8]
Loading (psf)Spacing 2-0-0 CSI DEFL in (loc)l/defl L/d PLATES GRIP
TCLL 30.0 Plate Grip DOL 1.15 TC 0.79 Vert(LL)-0.13 13-15 >999 240 MT20 197/144
(Roof Snow = 30.0)Lumber DOL 1.15 BC 0.47 Vert(CT)-0.21 12-13 >953 180
TCDL 10.0 Rep Stress Incr YES WB 0.51 Horz(CT)0.01 12 n/a n/a
BCLL 0.0 *Code IRC2018/TPI2014 Matrix-S
BCDL 10.0 Weight: 308 lb FT = 20%
LUMBER
TOP CHORD 2x4 SPF 1650F 1.5E
BOT CHORD 2x4 SPF 1650F 1.5E
WEBS 2x4 SPF No.2
OTHERS 2x4 SPF No.2
BRACING
TOP CHORD
BOT CHORD
WEBS 1 Row at midpt
REACTIONS
Max Uplift
Max Grav
FORCES (lb) - Max. Comp./Max. Ten. - All forces 250
(lb) or less except when shown.
TOP CHORD
WEBS
NOTES
1)
2)
3)
4)
5)
8)
9)
10)
11)
12)
13)
LOAD CASE(S)
Job Truss Truss Type Qty Ply
009324 SG01 11 Job Reference (optional)
Run: 8.43 S Feb 12 2021 Print: 8.430 S Feb 12 2021 MiTek Industries, Inc. Wed May 26 09:15:53 Page: 1
ID:CN_JWIR7kM1Lygh56z_ET4zCflW-6oNoLEK6BhBrAtXPJug8uaLrYyDS7kdUuOZzXOzCfbK
612
=M18SHS 3x12
=5x5
=3x5
=4x6
=3x8
=5x5
=M18SHS 3x12
1 9
2
17 16 15 14 13 12 11 10
8
3 72425
4 6
5
T1 T1
B1 B2
W2
W1W1
HW1 HW1
ST3
ST4
ST2
ST1
ST3
ST4
ST2
ST1
2-0-0
19-1-8
2-0-0
-2-0-0
4-1-10
12-8-6
4-1-10
8-6-12
4-5-2
17-1-8
4-5-2
4-5-2
8-6-12
17-1-8
8-6-12
8-6-12
5-7-5
1-1-0
5-4-6
Scale = 1:42.3
Plate Offsets (X, Y):[2:0-9-1,Edge], [4:0-2-0,0-0-1], [6:0-2-0,0-0-1], [8:0-9-1,Edge]
Loading (psf)Spacing 2-0-0 CSI DEFL in (loc)l/defl L/d PLATES GRIP
TCLL 30.0 Plate Grip DOL 1.15 TC 0.42 Vert(LL)0.00 2-17 >999 240 MT20 197/144
(Roof Snow = 30.0)Lumber DOL 1.15 BC 0.07 Vert(CT)0.00 2-17 >999 180 M18SHS 197/144
TCDL 10.0 Rep Stress Incr YES WB 0.22 Horz(CT)0.00 13 n/a n/a
BCLL 0.0 *Code IRC2018/TPI2014 Matrix-S
BCDL 10.0 Weight: 96 lb FT = 20%
LUMBER
TOP CHORD 2x4 SPF 1650F 1.5E
BOT CHORD 2x4 SPF 1650F 1.5E
WEBS 2x4 SPF No.2
OTHERS 2x4 SPF No.2
SLIDER
BRACING
TOP CHORD
BOT CHORD
REACTIONS
Max Uplift
Max Grav
FORCES (lb) - Max. Comp./Max. Ten. - All forces 250
(lb) or less except when shown.
TOP CHORD
BOT CHORD
WEBS
NOTES
1)
2)
3)
4)
5)
9)
10)
11)
12)
13)
LOAD CASE(S)
Job Truss Truss Type Qty Ply
009324 SG02 11 Job Reference (optional)
Run: 8.43 S Feb 12 2021 Print: 8.430 S Feb 12 2021 MiTek Industries, Inc. Wed May 26 09:15:54 Page: 1
ID:CN_JWIR7kM1Lygh56z_ET4zCflW-a?xAZaKky?Jio16bscBNRnu65MfwsFPe72IW3rzCfbJ
612
=4x6
=3x5
=3x5
=3x8
=3x5
=3x5
=4x4 =3x8
=6x6
=3x5 =3x8
=3x5
=3x5
=3x8
=4x4
=3x8
=4x6
One LTS12
1119
18 17 28 16 29 15 30 14 31 13
12
26 27
101252
20
93
84
5 72124
2322
6
T2
T1
T2
T3
W1
W12B1B3B2
W3
W4 W5
W6 W7
W8 W9
W10W2 W11
2-0-0
40-8-0
2-0-0
-2-0-0
4-1-11
4-1-11
6-10-3
31-6-5
6-10-3
10-11-14
6-10-3
24-8-3
6-10-3
17-10-0
7-1-11
38-8-0
5-5-7
5-5-7
8-1-15
13-7-5
8-1-15
21-9-4
8-3-10
30-0-14
8-7-2
38-8-0
11
-8-15
2-7-0
1-1-0
11
-6-0
Scale = 1:76
Plate Offsets (X, Y):[2:0-3-0,Edge], [10:0-3-0,Edge]
Loading (psf)Spacing 2-0-0 CSI DEFL in (loc)l/defl L/d PLATES GRIP
TCLL 30.0 Plate Grip DOL 1.15 TC 0.79 Vert(LL)-0.13 17-18 >999 240 MT20 197/144
(Roof Snow = 30.0)Lumber DOL 1.15 BC 0.51 Vert(CT)-0.22 17-18 >999 180
TCDL 10.0 Rep Stress Incr YES WB 0.93 Horz(CT)0.02 12 n/a n/a
BCLL 0.0 *Code IRC2018/TPI2014 Matrix-S
BCDL 10.0 Weight: 193 lb FT = 20%
LUMBER
TOP CHORD 2x4 SPF 1650F 1.5E
BOT CHORD 2x4 SPF 1650F 1.5E
WEBS 2x4 SPF No.2
BRACING
TOP CHORD
BOT CHORD
REACTIONS (lb/size)
Max Uplift
Max Grav
FORCES (lb) - Max. Comp./Max. Ten. - All forces 250
(lb) or less except when shown.
TOP CHORD
BOT CHORD
WEBS
NOTES
1)
2)
3)
4)
5)
6)
7)
8)
9)
10)
LOAD CASE(S)
Job Truss Truss Type Qty Ply
009324 T01 15 Job Reference (optional)
Run: 8.43 S Feb 12 2021 Print: 8.430 S Feb 12 2021 MiTek Industries, Inc. Wed May 26 09:15:54 Page: 1
ID:gZXijeRlVg9CaqGHggVT?IzCflV-a?xAZaKky?Jio16bscBNRnu0IMZ3s4Ie72IW3rzCfbJ
612
=4x8
=4x4
=3x8
=2.5x4
=3x8
=6x6
=4x6
=3x8
=4x6
1
8
2
11 10
9
7
3 151214
4 613
5
T1
T2
W5
B1 B2
W2
W3W1 W4
HW1
2-0-0
19-1-8
4-0-0
-4-0-0
4-1-10
12-8-6
4-1-10
8-6-12
4-5-2
4-5-2
4-5-2
17-1-8
8-6-12
17-1-8
8-6-12
8-6-12
6-9-8
1-1-0
5-4-6
Scale = 1:43.1
Plate Offsets (X, Y):[2:0-2-12,0-0-1], [7:0-3-0,Edge]
Loading (psf)Spacing 2-0-0 CSI DEFL in (loc)l/defl L/d PLATES GRIP
TCLL 30.0 Plate Grip DOL 1.15 TC 0.72 Vert(LL)-0.10 2-10 >999 240 MT20 197/144
(Roof Snow = 30.0)Lumber DOL 1.15 BC 0.47 Vert(CT)-0.20 2-10 >999 180
TCDL 10.0 Rep Stress Incr YES WB 0.52 Horz(CT)0.02 9 n/a n/a
BCLL 0.0 *Code IRC2018/TPI2014 Matrix-S
BCDL 10.0 Weight: 86 lb FT = 20%
LUMBER
TOP CHORD
WEBS
BRACING
TOP CHORD
BOT CHORD
REACTIONS (lb/size)
FORCES (lb) - Max. Comp./Max. Ten. - All forces 250
(lb) or less except when shown.
TOP CHORD
NOTES
1)
2)
3)
4)
5)
6)
7)
8)
9)
LOAD CASE(S)
Job Truss Truss Type Qty Ply
009324 T02 14 Job Reference (optional)
Run: 8.43 S Feb 12 2021 Print: 8.430 S Feb 12 2021 MiTek Industries, Inc. Wed May 26 09:15:54 Page: 1
ID:8l54w_SOG_I3C_rTEN0iYVzCflU-a?xAZaKky?Jio16bscBNRnu1OMZhsAje72IW3rzCfbJ
612
=4x6
=3x8 =3x8
=4x6
=4x6
=3x8
=4x6
=3x8
=4x6
One RT7A One RT7A
1 711
10 9
8
2 6
12 17
13 16
53
1514
4
T1 T1
W1 W1
B1 B2
W4
W3W3W2 W2
2-0-0
-2-0-0
2-0-0
21-8-0
4-9-4
14-7-4
4-9-4
9-10-0
5-0-12
19-8-0
5-0-12
5-0-12
9-10-0
19-8-0
9-10-0
9-10-0
6-2-15
1-1-0
6-0-0
Scale = 1:43.9
Plate Offsets (X, Y):[2:0-3-0,Edge], [6:0-3-0,Edge]
Loading (psf)Spacing 2-0-0 CSI DEFL in (loc)l/defl L/d PLATES GRIP
TCLL 30.0 Plate Grip DOL 1.15 TC 0.51 Vert(LL)-0.16 9-11 >999 240 MT20 197/144
(Roof Snow = 30.0)Lumber DOL 1.15 BC 0.62 Vert(CT)-0.33 9-11 >702 180
TCDL 10.0 Rep Stress Incr YES WB 0.77 Horz(CT)0.03 8 n/a n/a
BCLL 0.0 *Code IRC2018/TPI2014 Matrix-S
BCDL 10.0 Weight: 86 lb FT = 20%
LUMBER
TOP CHORD 2x4 SPF 1650F 1.5E
BOT CHORD 2x4 SPF 1650F 1.5E
WEBS 2x4 SPF No.2
BRACING
TOP CHORD
BOT CHORD
REACTIONS (lb/size)
FORCES (lb) - Max. Comp./Max. Ten. - All forces 250
(lb) or less except when shown.
TOP CHORD
BOT CHORD
WEBS
NOTES
1)
2)
3)
4)
5)
6)
7)
8)
9)
LOAD CASE(S)
Job Truss Truss Type Qty Ply
009324 T03 13 Job Reference (optional)
Run: 8.43 S Feb 12 2021 Print: 8.430 S Feb 12 2021 MiTek Industries, Inc. Wed May 26 09:15:54 Page: 1
ID:8l54w_SOG_I3C_rTEN0iYVzCflU-a?xAZaKky?Jio16bscBNRnu5hMXKs6pe72IW3rzCfbJ
Job:009324 Truss Report
Page: 1 of 3
Date: 05/26/2021 09:16:11
Qty Span Height Ply Truss Type Spacing
1 41-08-00 11-06-00 1 Common Supported
Gable
24'' o.c
612
574 lb/-222 lb=
=
=
=
=
=
=
=
=
2-00-002-00-00 20-10-0020-10-00
41-08-00
11
-08
-15
1-01-00
11
-06
-00
G01
Qty Span Height Ply Truss Type Spacing
5 38-08-00 11-06-00 1 Common 24'' o.c
612
1242 lb/-148 lb 2433 lb/-131 lb 861 lb/-135 lb
=
=
=
=
=
=
=
=
=
=
=
=
=
=
=
=
=
2-00-002-00-00 17-10-00 20-10-00
38-08-00
11
-08
-15
2-07
-00
1-01-00
11
-06
-00
T01
Qty Span Height Ply Truss Type Spacing
4 17-01-08 5-04-06 1 Common 24'' o.c
612
1286 lb/-214 lb 1097 lb/-119 lb=
=
=
=
=
=
=
=
=
2-00-004-00-00 8-06-128-06-12
17-01-08
6-09
-08
1-01-00
5-04
-06
T02
Qty Span Height Ply Truss Type Spacing
8 41-08-00 11-06-00 1 Roof Special 24'' o.c
612
412
710 lb/-141 lb 3106 lb/-141 lb 1112 lb/-152 lb
=
=
=
=
=
=
=
=
=
=
=
=
=
=
=
=
2-00-00 2-00-0020-10-0020-10-00
5-08 9-04-08 9-04-08 22-05-08
11
-08
-15
1-01-00
11
-06
-00
3-01
-08
S01
Job:009324 Truss Report
Page: 2 of 3
Date: 05/26/2021 09:16:11
Qty Span Height Ply Truss Type Spacing
3 41-08-00 11-06-00 1 Roof Special 24'' o.c
612
412
709 lb/-141 lb 3106 lb/-141 lb 1112 lb/-152 lb
=
=
=
=
=
=
=
=
=
=
=
=
=
=
=
=
1-11-15 2-00-0020-10-0020-10-00
5-08 9-04-08 9-04-08 22-05-08
11
-08
-15
1-01-00
11
-06
-00
3-01
-08
S02
Qty Span Height Ply Truss Type Spacing
1 41-08-01 11-06-00 1 Roof Special 24'' o.c
612
412
997 lb/-150 lb 3464 lb/-166 lb 577 lb/-146 lb
=
=
=
=
=
=
=
=
=
=
=
=
=
=
=
=
1-11-15 2-00-0020-10-0020-10-01
5-08 9-04-08 9-04-08 22-05-08
11
-08
-15
1-01-00
11
-06
-00
3-01
-08
S03
Qty Span Height Ply Truss Type Spacing
5 17-01-08 5-04-06 1 Scissor 24'' o.c
612
412
=
=
=
=
=
=
=
=
2-00-002-00-00 8-06-12 8-06-12
5-08 5-088-01-048-01-04
5-07
-05
1-01-00
5-04
-06
2-08
-07
S04
Qty Span Height Ply Truss Type Spacing
3 19-08-00 6-00-00 1 Common 24'' o.c
612
=
=
=
=
=
=
=
=
=
2-00-00 2-00-009-10-009-10-00
19-08-00
6-02
-15
1-01-00
6-00
-00
T03
Job:009324 Truss Report
Page: 3 of 3
Date: 05/26/2021 09:16:11
Qty Span Height Ply Truss Type Spacing
1 38-08-00 11-06-00 1 Common Structural
Gable
24'' o.c
612
1692 lb/-132 lb 900 lb/-139 lb
=
=
=
=
=
=
=
=
=
===
=
=
=
=
=
=
=
==
=
=
=
=
=
=
=
2-00-002-00-00 17-10-00 20-10-00
38-08-00
11
-08
-15
2-07
-00
1-01-00
11
-06
-00
SG01
Qty Span Height Ply Truss Type Spacing
1 17-01-08 5-04-06 1 Common Supported
Gable
24'' o.c
612
852 lb/-150 lb 557 lb/-131 lb=
=
=
=
=
=
=
2-00-002-00-00 8-06-128-06-12
17-01-08
5-07
-05
1-01-00
5-04
-06
SG02
i2
Consultants, Inc.
16911 Potts Place, Mead, CO
970.217.9148
troy@i2-consultants.com
Page 1
July 13, 2021
Mr. Dan Mogen, EI
Development Review Engineer
Stormwater Engineering & Development Review Division
City of Fort Collins
281 North College Avenue
Fort Collins, CO 80524
RE: Drainage Letter for 224 2nd Street
Fort Collins, CO
Dear Mr. Mogen:
We are pleased to present this Drainage Letter for 224 2nd Street, Fort Collins, Colorado.
The proposed project will consist of an addition and remodel to the existing residence on
the property.
The subject site is within the Buckingham Place Subdivision, which is north of Lincoln
Avenue and east of Linden Street.
Furthermore, the subject site is within the Buckingham-Lincoln Corridor Master Plan, which
is a subarea of the Poudre River Basin. The assumed imperviousness for this basin is
45%.
The proposed project will consist of a remodel to the existing +/-800 s.f. residence as well
as the addition of a roughly 495 s.f. garage and 625 s.f. addition to the residence. The
project will also include removal of the gravel driveway and gravel area south of the
existing residence. A concrete driveway will be constructed from the proposed garage to
2nd Street.
DRAINAGE BASINS
The subject site has been divided into two (2) basins for calculating the impervious area of
the property after the construction of the proposed improvements.
BASIN A
Basin A consists of the western portion of the site and half of the roadway for 2nd Street
across the lot frontage. This basin consists of the existing residence, proposed garage
and addition, concrete driveway and walks and landscaped area. Runoff will generally
flow from east to west and will reach the existing curb and gutter for 2nd Street. The
calculated basin imperviousness is 79.1%.
224 2nd Street, Fort Collins, CO Drainage Letter
July 13, 2021
Page 2
BASIN B
Basin B consists of the eastern portion of the site and half of the existing (unpaved) alley
across the lot frontage. This basin consists of the existing residence, proposed addition,
and landscaped area. Runoff will generally flow from west to east to the existing alley.
The existing lot and alley have gentle/mild slopes. The alley has a high point that directs
runoff to the north and south. The calculated basin imperviousness is 17.7%.
The overall site imperviousness (including half of 2nd street and half of the alley) has
been calculated to be 43.3%, which is less than the assumed imperviousness of
45%. Based on the calculated imperviousness, detention is not required as part of this
project. Please refer to the impervious calculations included with this letter.
ANTICIPATED IMPACTS
The existing elevations along the northern portion of the existing residence will not be
revised with this project. The proposed porch will match existing elevations at the
northwest corner of the lot.
The grading for the garage and house addition will require elevation changes to the
middle-southern portion of the lot. The grading will tie-in and match existing elevations
along the southern property line and at the back of the existing sidewalk for 2nd Street.
There is an existing high point along the southern property line and runoff will be directed
west and east along the property line. The proposed grading for this project shall not
direct runoff to adjacent properties.
The eastern half (approximately) of the lot will not be impacted by this project and the
elevations will not be revised. This lot does not take access from the existing alley. Due to
the nature of the development and existing conditions, the increase in runoff flowing east is
not expected to be significant. Runoff has been directed to the west to the extent practical,
considering the existing conditions and elevations.
We look forward to your favorable review of this project and letter. Please do not hesitate
to contact our office if you have any questions.
Sincerely,
i2 Consultants, Inc.
Troy W. Campbell, PE
Senior Project Engineer
Basin Imperviousness i2
224 2nd Street Consultants, Inc.
Fort Collins, CO 16911 Potts Place, Mead, CO
7/13/2021 970.217.9148
troy@i2-consultants.com
DEVELOPED BASIN RUNOFF - Basin A
Land Use Area (ft2)Area (ac)I (%)
Impervious Area, Grass 730 0.02 2
Roofs/concrete 2,692 0.06 100
Concrete Surfaces - - 100
Asphalt - - 100
Gravel/Recycled Asphalt - - 40
Wghtd Avg & Total Area 3,422 0.08 79.1
DEVELOPED BASIN RUNOFF - Basin B
Land Use Area (ft2)Area (ac)I (%)
Impervious Area, Grass 4,020 0.09 2
Roofs/concrete 769 0.02 100
Concrete Surfaces - - 100
Asphalt - - 100
Gravel - - 40
Wghtd Avg & Total Area 4,789 0.11 17.7
DEVELOPED BASIN RUNOFF - SITE
Land Use Area (ft2)Area (ac)I (%)
Impervious Area, Grass 4,750 0.11 2
Roofs/concrete 3,461 0.08 100
Concrete Surfaces - - 100
Asphalt - - 100
Gravel - - 40
Wghtd Avg & Total Area 8,211 0.19 43.3
X
X X X X X X X X X X X X X
X
X
X
X
X
X
X X X X X X X X X X X
X
X
X
X
X
X
4952
49
5
2
EXISTING RESIDENCE
EXISTING FF = 4953.92
SE
C
O
N
D
S
T
R
E
E
T
(6
0
'
R
/
W
)
AL
L
E
Y
(1
6
'
R
/
W
)
LOT 16, BLOCK 7
BUCKINGHAM PLACE
LOT 15, BLOCK 7
BUCKINGHAM PLACE
LOT 17, BLOCK 7
BUCKINGHAM PLACE
EXISTING
BUILDING
PROPOSED ADDITION
PROPOSED FF = 4953.92
PROPOSED GARAGE
FF = 4952.3
C-1
SHEET
BA
R
R
E
R
A
S
R
E
S
I
D
E
N
C
E
A
D
D
I
T
I
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L
22
4
2
N
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T
,
F
O
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T
C
O
L
L
I
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,
C
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A
D
O
JLB
07/13/2021
BUILDING PERMIT
SUBMITTAL
LEGEND OF SYMBOLS
Know what's below.
before you dig.Call
R
NOTES
BASIS OF ELEVATION
C:
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2
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X
X X X X X X X X X X X X X
X
X
X
X
X
X
X X X X X X X X X X X
X
X
X
X
X
X
4952
49
5
2
EXISTING RESIDENCE
EXISTING FF = 4953.92
SE
C
O
N
D
S
T
R
E
E
T
(6
0
'
R
/
W
)
AL
L
E
Y
-
U
N
P
A
V
E
D
(1
6
'
R
/
W
)
LOT 16, BLOCK 7
BUCKINGHAM PLACE
LOT 15, BLOCK 7
BUCKINGHAM PLACE
LOT 17, BLOCK 7
BUCKINGHAM PLACE
EXISTING
BUILDING
PROPOSED ADDITION
PROPOSED FF = 4953.92
PROPOSED GARAGE
FF = 4952.3
A
0.08 79.1%
B
0.11 17.7%
C-2
SHEET
BA
R
R
E
R
A
S
R
E
S
I
D
E
N
C
E
A
D
D
I
T
I
O
N
/
R
E
M
O
D
E
L
22
4
2
N
D
S
T
R
E
E
T
,
F
O
R
T
C
O
L
L
I
N
S
,
C
O
L
O
R
A
D
O
JLB
07/13/2021
BUILDING PERMIT
SUBMITTAL
LEGEND OF SYMBOLS
Know what's below.
before you dig.Call
R
NOTES
BASIN SUMMARY BASIS OF ELEVATION
C:
\
U
s
e
r
s
\
t
r
o
y
\
D
r
o
p
b
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\
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1
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:
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A
M