HomeMy WebLinkAboutEngineering 861-E N Dean Road
STARK Auburn, AL 36830
FO U N DATA O N S P: 360.566.7343
STRUCTURAL CALCULATIONS
PREPARED FOR
DBS REPAIR
FOR
RENTSCH RESIDENCE
FOUNDATION REPAIR
286 RICE CREEK BLVD NE
FRIDLEY, MINNESOTA
PROJECT NUMBER: 23.200.DBS
DATE: December 13, 2023
PROJECT MANAGER: Daniel Stark, P.E.
I HEREBY CERTIFY THAT THIS PLAN,
SPECIFICATION, OR REPORT WAS PREPARED
BY ME OR UNDER MY DIRECT SUPERVISION
AND THAT I AM A DULY LICENSED
PROFESSIONAL ENGINEER UNDER THE LAWS
OF THE STATE OF MINNESOTA.SIGNATURE: �� J--�
NAME: NATHAN DANIEL W STARK
DATE: 12.13.23 LICENSE NUMBER: 59100
*Its;STARK 861-E N Dean Road
FOUNDATIONS Auburn, AL 36830
P: 360.566.7343
December 13, 2023 Project No.:23.200.DBS
DBS Repair
5116 Jean Duluth Road
Duluth, Minnesota 55803
RE: Foundation Repair - 286 Rice Creek Blvd NE, Fridley, Minnesota
PROJECT BACKGROUND
We understand the structure is a single-family residence with a garage supported by an 8 inch CMU
walls. The homeowner wishes to permanently stabilize the rear CMU walls of the garage. It is our
understanding (4) GeoLok wall anchor systems have been proposed to provide additional wall
support. A recent field sketch (attached) indicates the approximate locations of repair.
Image 1: Front Elevation
GEOLOGIC SETTING
The existing structure is located in Fridley, Minnesota. Based on the information provided by the
USDA Web Soil Survey, the general site condition in the area is comprised of sand and the site is
moderately sloping. We believe suitable wall reinforcement can be achieved by installing Geol-ok wall
anchors.
SUMMARY
Based on the geologic setting and design load tables (attached), we recommend the wall anchors be
spaced at a maximum of 5'. This is based on a conservative EFP of 75 psf/ft (alternate EFP may be
considered depending on site conditions). Please reference design drawings for layout and
connection details.
Regards, D
Daniel Stark, P.E.
Stark Foundations
FIELD SKETCH
,o
house
A
Front Garage
~ Date: 13-Dec-23
U
STARK LU Foundation Repair Designed by: SCA
FOUNDATIONS 3 286 Rice Creek Blvd NE
0 Fridley, Minnesota
a Project No.: 23.200.DBS
Design Criteria
Code(s):
2020 Minnesota Building Code
International Building Code (IBC) 2018
ASCE 7-16
Design Loads:
Dead: Soil:
Roof = 15 psf Allow Lateral Bearing Pressure = 100 psf/ft
Chimney= 45 psf Active Pressure = 60 psf/ft
Third Floor= 15 psf
Second Floor= 15 psf
First Floor (4" Conc. Slab) = 50 psf
Walls = 8 psf
8" Foundation Wall = 100 psf
Soil = 110 psf
Live:
Roof (Snow) = 50 psf
Roof Live Load = - psf
Third Floor= 40 psf
Second Floor= 40 psf
First Floor (4" Conc. Slab) = 40 psf
Wind: (not applicable)
Exposure = C Risk Category= II
Wind Speed, V= 109 mph Kzt= 1
Gust Factor, G = 0.85 Kd = 0.85
Int. Pressure Coefficient, GCp; _ -0.18 KZ = 1
Ext. Pressure Coefficient, Cp= 0.8 Height, hZ = 30 ft
Design Wind Pressure: Design Load Combo = D + 0.6W
where: pW= qZ (GCp- GCp;) w = 0.6
qZ= 0.00256 KZ Kt Kd V2
Therefore:
qZ= 25.9 psf
pW= 22.2 psf
Factored Wind Pressure, p'W= 13.3 psf (say 14 psf)
I--
V Date: 13-Dec-23
STARK LLB Foundation Repair Designed by: SCA
FOUNDATIONS O 286 Rice Creek Blvd NE
0 Fridley, Minnesota
a Project No.: 23.200.DBS
Wall Anchor Design
Site Data:
Wall Height = 6 ft Soil Description: Silt, Silty/Clayey Sand and Gravel
Soil Height = 6 ft
Frost Depth = 42 in
Anchor Sizes: Small (16 in x 16 in) Vertical Anchor Dimension = 16 in
Medium (16 in x 26 in) <-- Assumed
Large (26 in x 26 in)
Design Values from Design Table
P =2ft P =3ft
h = 10.3 ft h = 11.0 ft
Avb = 4.1 ft Avb = 4.5 ft
Calculated A„b for frost depth
Avb = Frost Depth + Vertical Anchor Dimension
Avb = 58 in Alb = 4.8 ft
Calculated At from greater A„b value
P = 2ft P =3ft
Avb = 4.8 ft 7= 4.8 ft
Avt= 42 in Avt= 42 in
A,,t= 3.5 ft Avt= 3.5 ft
Wall Anchor Design Table
Soil Description: Silt, Silty/Clayey Sand and Gravel
= 26 degrees
MI
Anchor Size Anchor Size Anchor Size Anchor Size Anchor Size
S M/L S M/L S M/L S M/L S M/L
10 12.1 12.8 12.1 12.8 12.8 13.5 14.4 15.1 16.0 16.7
9 11.5 12.2 11.5 12.2 12.2 12.8 13.8 14.4 - -
:. 8 10.9 11.5 10.9 11.5 11.5 12.2 13.1 13.8 - -
a� 7 10.2 10.9 10.2 10.9 10.9 11.6 - - - -
6 9.6 10.3 9.6 10.3 10.3 F 11.0 - - - -
0 5 9.0 9.7 9.0 9.7 - - - - - -
N 4 8.4 9.0 8.4 9.0 - - - - - -
3 7.7 8.4 - - - - - - - -
"Alb&At" Minimum Required Depths Below Grade to Anchor(ft)
Bottom - Avb 3.7 4.1 3.7 1 4.1 4.1 1 4.5 5.1 5.5 6.1 6.5
Top-Avt Depth as needed to prevent frost effects
I&
STARK
FOUNDATIONS
861-E N DEAN ROAD
AUBURN,AL 36830
19,} P:360.566.7343
v✓wvdstarkfoun dations.com
(4) WALL ANCHORS ® 5' O.C. MAX "
MAX MAX
(N) WALL ANCHOR
SEE DETAIL 1/S2.0
(TYP OF (4) ANCHORS)
C-'
N (E) GARAGE--' (E) HOME-,
62'±
FRONT OF HOME
1 PARTIAL FOUNDATION REPAIR EL&N[—o
SCALE: 1/8'=1'-0'
PLAN NOTES: NORTH
1. WALL REINFORCEMENT CAN BE ADJUSTED A DISTANCE OF 1'-0"±AS LONG AS THE MAXIMUM RECOMMENDED SPACING IS NOT EXCEEDED.
WHEN THE DISTANCE EXCEEDS THE MAXIMUM RECOMMENDED SPACING, CONSULT WITH THE ENGINEER OF RECORD FOR FURTHER DIRECTION.
STAMP PROJECT
I HEREBY CERTIFY THAT THIS PLAN, FOUNDATION REPAIR
SPECIFICATION, OR REPORT WAS PREPARED
BY ME OR UNDER MY DIRECT SUPERVISION RENTSCH RESIDENCE
AND THAT I AM A DULY LICENSED
PROFESSIONAL ENGINEER UNDER THE LAWS 286 RICE CREEK BLVD NE k
OF THE STATE OF MINNESOTA.Q n FRIDLEY, I N SIGNATURE: NO REVISIONS BY DATE
NAME: NATHAN DANIEL W STARK CLIENT ISSUED: 12.13.23 PROJ NO.: 23.200.DBS
DATE: 12,13.23 LICENSE NUMBER: 59100 z, DRAWN BY: TLD I CHECKED BY: IDSDBS REPAIR SHEET TITLE
5116 JEAN DULUTH RD FDN REPAIR PLAN
DULUTH, MN SHEET NUMBER
FRONT ELEVATION Si •0
I&
STARK
FOUNDATIONS
861-E N DEAN ROAD
AUBURN,AL 36830
P:360.5 66.7343
v✓wvdstarkfoun dations.com
Ah (SEE TABLE)
SAW-CUT (E) SLAB
& FILL/REPAIR WITH CONCRETE
AFTER INSTALLATION
f.
m I DEPTH TO aTOP OF EARTH ANCHOR
PLATE SHALL NOT BE LESS THAN LaLiE THAT REQUIRED FOR FROST DEPTH m
o
J lA Q
Of
W > W
Li p W
J Cn
-H W
L-
O
o SUPPORTWORKS GEOLOCK
WALL ANCHOR KIT
`o MIN ULT TENSILE RATING = 85 KIPS
II (E) CMU WALL
w
GEOLOCK
X (E) GRADE GEOLOCK DESIGN TABLE ANCHOR PLATE
Pv Avb Ah
2'-0" 4'-10" 10'-4"
3'-0" 4'-10" 11'-0"
'e
�1 GARAGE WALL-WALL ANCHOR DETAIL
SCALE: 3/8'=1'-0'
STAMP PROJECT
I HEREBY CERTIFY THAT THIS PLAN, FOUNDATION REPAIR
SPECIFICATION, OR REPORT WAS PREPARED
BY ME OR UNDER MY DIRECT SUPERVISION RENTSCH RESIDENCE
AND THAT I AM A DULY LICENSED I 9 f
PROFESSIONAL ENGINEER UNDER THE LAWS 286 RICE CREEK BLVD NE
OF THE STATE OF MINNESOTA.
SIGNATURE: �2 FRIDLEY, MN NO REVISIONS BY DATE
NAME: NATHAN DANIEL W STARK CLIENT ISSUED: 12.13.23 PROJ NO.: 23.200.DBS
DATE: 12,13.23 LICENSE NUMBER: 59100 DS
DBS REPAIR DRAWN BY: TLD CHECKED BY:
i"r SHEET TITLE
5116 JEAN DULUTH RD DETAILS
DULUTH, MN rSHEET NUMBER
FRONT ELEVATION S``j
•0