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HomeMy WebLinkAboutBuilding Permit 04-0674 CITY OF PRIOR LAKE BUILDING PERMIT, TEMPORARY CERTIFICATE OF ZONING COMPLIANCE AND UTILITY CONNECTION PERMIT I. While 2. Pink J Yellow Date Rec'd ;;I~4 I PERMIT NO. 01/-.0&14--1 File City Applicanl I ~;;~;;mdm~oott~ S- !/9; r-,Ij ZONING (office use) LEGAL DESCRIPTION (olliee use only) LOT BLOCK ADDITION (Phone) 9..5".2 - 9' C/ 7 _.5.:z 7 ~ OWNER (Name) ?;C".Z"..ot! . />)tfb0 /J. A (Address) BUILDER (Company Name) (Contact Name) (Address) PID z.s. Z-c, f). 00 I ' 0 J'I F7 /1A? IlEC-J7" L If II h~ 7J1.J~E :Drv()~f/ ~ t/~ (Phone) tA5/J/39- 7.y~a (Phone) t'e11.61;l-..S73-/Y3s' >>fN 5SlJ <. TYPE OF WORK 0 New Construction DDeck DPorch ORe-Roofing ORe-Siding OLower Level Finish 0 Fireplace DAddition DAlteration DUtility Connection ~Misc. CODE: OLR.C. OLB.C. Type of Construction: Occupancy Group: A B Division: I E PROJECTCOST/VALUE S /P'h1U;!J (excluding land) II F I ill IV V A HIM R 2 3 4 5 B S U 1 ht.'teby certifY thai I have furnished information on Ihis application which is to the best of my knowledge true and correct. I also certify that I am the owner or authorized agent for the above-mentlOntd property and that all construction will conform to all existing state and local laws and will proceed in accordance with submitted plans. I am aware that the building official can revoke this permit for just cause. Furthermore, I hereby agree that the city official or a designee may enter upon the property to perform needed mspections. X ~_/~-{)d Signature Contractor's License No. Date Permit Valuation Permit Fee Plan Check Fee State Surcharge Penalty Plumbing Permit Fee Mechanical Permit Fee Sewer & Water Permit Fee Gas Fireplace Permit Fee $ $ $ $ $ $ $ $ /LPtPtP ' '2-"1.-1.... ( 3."~- Park Support Fee SAC # $ # $ $ $ # $ # $ $ $ .04-' $ 70. ,",s I~" /</0'11 . Water Meter Size 5/8"; 1"; Pressure Reducer Sewer/Water Connection Fee Water Tower Fee Builder's Deposit Other TOTAL DUE 7. {~'!f:7~ ~ ~pproved I Paid Date ate ThIS IS to cenify that the request in the above application and accompanying documents is in accordance with the City Zoning Ordinance and may proceed a... requested. This document when signed by the City Planner constitutcs a temporary Cenificate of Zoning compliance and allows construction to commence. Before occupancy, a Cl'ttificate of Occupancy must be i.o;sued 4 Panning irector Date 24 hour notice for all inspections (952) 447-9850. fax (952) 447-4245 16200 Eagle Creek Avenue Prior Lake, MN 55372 Special Conditions, if any ! Date Received Date Reviewed PE,Rl\1IT REQUIREMENT Date: IP/r4-lof Du t4NC Request:,L HEeD 4- 5f,& ~/7C ~ / [?/V1-V /~ , 2-. V'/It-<- 12~ ~//Z$ j{;z;A~t'r.W {;bi41 A- 5>1 ~5 GuG r 17m.:; Of- ~rr~ L ~ Date: 0.\ . 'I l, , Request: Date: Request: Date: Request: BuildingJPlanningJEngineering J:\8UILDING\FORMSIPERMIT INFO REQUEST. doc Permit # REPL Y DATE Date: Reply: Date: Reply: Date: Reply: Date: Reply: Permit Complete D Accept D Decline D Accept D DeclineD Accept D Decline D Accept D Decline D Permit Issued 0 Thr {'rntn of thr I..kr Country White . Building Canary - Engineering Pink - Planning BUILDING PERMIT APPLICATION DEPARTMENT CHECKLIST NAME OF APPLICANT A"", "::,,, ,....~. L I'... f-tt ,,^,-, <... !,.tt /:- f APPLICATION RECEIVED The Building, Engineering, and Planning Departments have reviewed the building permit application for construction activity which is proposed at: Accepted /' Accepted With Corrections Denied Reviewed By: r Date: t/l4f~ , Comments: \ "The issuance or granting of a permit or approval of plans, specifications and computations shall not be construed to be a permit for, or an approval of, any violation of any of the provisions of this code or of any other ordinance of the jurisdiction. Permits presuming to give authority to violate or cancel the provisions of this co<;le or other ordinances of the jurisdiction shall not be valid." ~~ White . Building Canary . Engineering Pink . Planning Th~ (-'nl... of Ih.. I..k, <.'oun...,. APPLICATION RECEIVED The Building, Engineering, and Planning Departments have reviewed the building permit application for construction activity which is proposed at: Accepted ,/ Accepted With Corrections Denied /2/J&- , Date: 7~i~ , ( Reviewed By: Comments: "The issuance or granting of a permit or approval of plans, specifications and computations shall not be construed to be a permit for, or an approval of, any violation of any of the provisions of this code or of any other ordinance of the jurisdiction. Permits presuming to give authority to violate or cancel the provisions of this code or other ordinances of the jurisdiction shall not be valid." I L 6-28-04 AMTECH LIGHTING SERVICES ~:~ I ~ ~'6O 8 8.~ Site: Re-Brand Amoco Station; 4805 Dakota Street S.E.; Prior Lake, MN. .~ ii! j;j Design Windload: (PSF) WL = 30.0 Based on the Minnesota State Building Code ( 2000 IBC ) ~ .~ .1 :i using Exposure C and 90 mph winds. 11 ~ - 15. E c: '" .- :6~ - _c:c: a.::J(1.lQ) tI) .... .~ 10 -o...JU5 ~., ::J.c - File: SbrbnLtg06.mcd Sign Type: Shell 20'-0" OAH twin pole for 6' RVI signage with caisson footings. Reference : Manual of Steel Construction, AISC 9th Edition. Tube: ASTM A-500 Gr. B Py = 46.0 ksi. ; Pb = 40.38 ksi. (Compact sections) Plate : ASTM A-36 Fy = 36.0 ksi. ; Fb = 31.60 ksi. Anchor Bolts : 1;; ,t:; ->, ~.o '" 0 ~~~j ~g.-1! i a.~ :: -., lG"" - ~ f6 5 ASTM A-36 Fu = 58.0 ksi. ; Fb = 19.10 ksi. Reference: American Concrete Institute, Code 318.02. Rebar: ASTM A-61 5 Grade 60 Fy = 60.0 ksi. Concrete : 3,000 psi. compressive strength at 28 days. System Height: (ft.) Ht = 20.0 TotalHeightofSignage: (ft.) SgnHt = 17.62 ( ID plus 2X pricer and three ( 3 ) 20" cabinets. ) Summation of Stresses at Grade: Signs : [ I SgnHt \ , S=(SgnHt-7.08'WL). Ht~ l~ HI2 [ i 6 \ ] r(Ht~ SgnHt) "I P= 2.(Ht~ SgnHt).,- :.WL., 1.12 \12; l 2 J in.lbs. S = 502541.289 in.lbs. Poles: P = 1019.592 Moment: (in.lbs.) MtGrd=S+ P MtGrd=503560.881 r (6 \ "I Shear: (Ibs.) SIuGrd=(SgnHt'7.08.WL)+ l2.(Ht~ SgnHt). 12rWLj ShrGrd = 3813.888 Desim of Pole Structures at Grade : Moment per Pole: (in.lbs.) .~ MtGrd -- 2 ReqdSx = MtPoleGnl 40380 ReqdSx = 6.235 MtPoleGnl M~oleGrd =251780.44 Required Section Modulus of Tube : (in.3) ( Compact Tube Section) Section Modulus of Tube : (in.3) TS8"x6"x.250"waIl -TubeSx=15.0 ( x-x axis) Unity Check - Poles : UCP = ReqdSx TubeSx 1.00 UCP =0.4t6 < Desim of Anchor Bolts : Number of Anchor Bolts in Tension per Plate: No . = 2 Front to Back Distance Between Anchor Bolts: (in.) LvrAnn = 11.0 .~. _.~- ~~_.~-.~- .-... Sht.lof4 ... <:: -;: '" u ., - '" o OK 6-28-04 AMTECH LIGHTING SERVICES Sht. 2 of 4 Tension Load per Anchor Bolt: (Ibs.) TenAncBlt .- MtPoleGrd No. LvrArm TenAncBlt = 11444.57 Anchor Bolt Diameter: (in.) AnchBltDia = 1.25 Stress Area: (in.2) ( Based on nominal diameter per AISC 4-3 ) AnchBltArea .. AnchBltDia2 4 AnchBltArea = 1.227 Allowable Tension: (Ibs.) AllwTen = 19140. AnchBltArea ( Based on ASTM A-36 material. ) AllwTen = 23488 Unity Check - Anchor Bolt Tension: UCABTen = TenAncBlt AllwTen UCABTen = 0.487 < 1.00 OK Allowable Bond Stress: (Ibs.! in.2 ) ~ , I u=LI 4.8.'lj3000 . 2 \ AnchBltDia j U = 105.163 Developement Length: (in.) Ld = TenAncBIt 0... AnchBltArea Ld = 28.228 Embedment Length of39" Anchor Bolt minus 6" of Thread : (in.) AncBltEmb = 39 - 6 AncBltEmb = 33 Unity Check - Anchor Bolt Embedment: Ld UCABEmb- AncBltEmb UCABEmb = 0.855 < 1.00 OK Use: 1-1/4" Diameter x 39" long plus 6" right angle bend anchor bolts. Desillll of Base Plates : Plate Width: (in.) PL W = 12.0 Plate Specimen: (in.) PLS : = LvrArm - 8.0 2 R dThk= I[TenAnCBlt.NO'PLS.61 eq ~ (PLW.31600) j Plate Thickness: (in.) PltThk = 1.25 PLS = 1.5 Minimum Thickness Required: (in.) ReqdThk = 0.737 Soil bearing conditions used in the design of these caisson footings are from geotechnical report by: American Engineering Testing, Inc. Job No. 01-02061 dated June 24,2004. UCPltThk = 0.59 - < - LOO _ c:: .9K ~ 0 !R R"iji c Q)':;: .- 1-1/4" thick x 12" x 14" base plate with four ( 4 ) 1-112" diameter holes on a 9" x II" bolt patterrl;: Q; ~ o o.W c~~ 0_ c:: .~ ~.2 to u.~ ~ 0 ~-o~~ u>,2c: ~Eo... <F> . ~-O C Q) OJ ~-g 0. Ma = 20981.703 1! - UCPltThk = ReqdThk PltThk Unity Clieclc - IllisePI8te-1bickness : Use: o ..... N Shear: (Ibs.) SIuGrd Va:=- 2 Va = 1906.944 - co .z: - >, co >,.0 ~1:)E~ ii ~ ro ~ uro- 0._ '" >'Q)ro..c .g 5.:5 ~ ~ '" <l)lI)"'C""O .c co l:; c: _~l'a::J Desillll of Caisson Footin2S : Overturning Moment: (tUbs.) Ma = MtPoleGrd 12 "f,i u 2 co Cl r>- ......_,..~".,"'.<___.. 6-28-04 AMTECH LIGHTING SERVICES Applied Lateral Force: (Ibs.) P oVa Allowable Alternate Lateral Soil Pressure: (lbs.ltt.2 per ft. ) ( Per AET Soil Report No. 01-02061 ) Diameter of Round Footing: (ft.) Distance in Feet From Ground Surface to Point of Application of "P" h - Ma Va Depth of Embedment in Earth: (ft.) ( But not less than 6' per AET project infonnation. ) Allowable Lateral Soil Bearing Pressure Pursuant to the 2000 International Building Code Section 1805.7.2. SI =dl.(LP.1.33) 3 P A = 2.34.- SI.bl A i d2=-"..!1~ 2 ' ! : h I - 4.36.~ A d2 =5.08 "', Check Tensile Stress in Footinl!: Overturning Moment About Heel Point: (tUbs.) Treat as a cantilever at bottom. Mb=Ma+ (Va.dl) Compressive Strength of Concrete: (psi.) Yield Strength of Rebar : (psi.) Section Modulus of Footing : (in.') ) ..(bl.12) Sw'= 32 +Ft= 0.65. (5.#,) . Allowable Concrete Stress: (psi.) Tensile Stress in Concrete: (psi.) ft= 1.3.[ (~:2) ] P = 1906.944 LP = 370 bl = 3.0 h = 11.003 dl =6.0 SI =984.2 A = 1.511 < dl =6 Mb = 32423.367 fc= 3000 fY : = 60000 Sw = 4580.442 . +Ft = 178.01 Sht. 3 of 4 OK +Ft = 178.01 > ft = 110.427 REBAR NOT REQUIRED FOR STRESS Desim ofTemDerature and Shrinlcaue Steel in Caisson: Moment for USD Design : Mu= 1.7.Mb Mu =55119.725 d .=((bl.12)..80)- 4 d = 24.8 ....".", ..~" _._----~_. " .._.~._""."c._^,...",., __ - C\/ <i -.:: oS 8 ~ 6-28-04 AMTECH LIGHTING SERVICES Sht. 4 of 4 To Plot for" ju " : coelf= Mu.12 fc.bl.12.d2 coelf = 0.01 ju = .83 Required Area: (in.2) As= Mu.12 ju.JY.d..9 As = 0.595 Rebar Size: Number . = 5 Rebar Area: (in.2) ..,Number( Area = . 8 I 4 dl =6 Use four ( 4 ) #5 Rebar x 5'-4" LG. equally spaced on a 28" circle with five ( 5 ) #3 Rebar ties on 15.3/4" centers. Area =0.31 Number Required : I As ),2 =3.879 \ Area Ouantity of Concrete: (yds. 3 ) bl2 cy=.._.dl 4.27 CY = 1.571 Each I hereby certify that this n, specification. or report was prepared by me un r my direct supervision and that I am a dul Licens essional Engineer under the ~aws of t State Minn ota, Carl A, Demeter Date b.Z. 21064 I, ~r~ ~-_.,-" ..__._~.~_.. - - -~"-~" -- ". ~.... ..._.",+--~.~- A AMERICAN ENGINEERING TESTING, INC. CONSULTANTS . GEOTECHNICAL . MATERIALS . ENVIRONMENTAL REPORT OF SUBSURFACE EXPLORATION AND GEOTECHNICAL REVIEW PROJECT: REPORTED TO: AMOCO ELEVATED SIGN 4805 DAKOTA STREET SE PRIOR LAKE, MINNESOTA AMTECH LIGHTING 6077 LAKE ELMO A VB N STILLWATER, MN 55082 ATTN: MR. DUANE DOWNEY DATE: JUNE 24, 2004 AET JOB NO: 01-02061 INTRODUCTION This report presents the results of the subsurface exploration program and geotechnical review we recently conducted for the referenced project. The scope of work was outlined in our June 15,2004 proposal, which was authorized by you on the same day. The scope of work includes the following: . Drill one standard penetration test boring at the site to a depth of 15'. . Conduct a geotechnical engineering analysis based on the above, and prepare this report. The scope of work is intended for geotechnical purposes only. This scope is not intended to explore for the presence or extent of environmental contamination at the site. This document shall not be reproduced, except in full, without written approval of American Engineering Testing, Inc. 550 Cleveland Avenue North. St. Paul, MN 55114.651-659-9001 . Fax 651-659-1379 Duluth. Mankato . Marshall. Rochester. Wausau . Rapid City. Pierre. Sioux Falls AN AFFIRMATIVE ACTION AND eQUAL OPPOI=lTUNITY EMPLOYER AET Job No. 01-02061 Page 2 of9 PROJECT INFORMATION Understood/assumed project information includes the following: . The project includes construction of a new overhead sign for the existing Amoco station. . We understand the sign will be supported on two drilled pier foundations extending at least 6' below grade. . We assume that maximum vertical column loads will not exceed 30 kips. . We assume a minimum factor of safety on with respect to a shear failure of the foundations. . We assume total foundation settlements should not exceed I". The presented project information represents our understanding of the proposed construction. This information is an integral part of our engineering review. It is important that you contact us if there are changes from that described so that we can evaluate whether modifications to our recommendations are appropriate. SITE CONDITIONS Surface Observations . The proposed sign will be located just south of an existing sign at the northeast comer of the site, which is located at 4805 Dakota Street SE in Prior Lake, Minnesota. · The ground surface elevation measured at the boring location is 97.5, based on our assumed datum. Subsurface Soils/Geolol!V A log of the test boring is attached. The log contains information concerning soil layering, soil classification, geologic description, and moisture. Relative density or consistency is also noted, which is based on the standard penetration resistance (N-value). AET Job No. 01-02061 Page 3 of9 The boring logs only indicate the subsurface conditions at the sampled locations and variations often occur between and beyond borings. . A y,' thick layer of fill was encountered at the surface. The fill consists of a mixture of sandy lean clay and silty sand that is dark brown to brown in color. . Below the fill, coarse alluvial (water deposited) soils were encountered. The coarse alluvium consists of sand with gravel, sand with silt and gravel, and sand. Based on the N-values, the coarse alluvium is medium dense. Water Level Measurements The borehole was probed for the presence of ground water, and water level measurements were taken. The measurements are recorded on the boring logs. A discussion of the water level measurement method is presented on the sheet entitled "Exploration/Classification Methods." . Ground water was not encountered during drilling. . Most of the on-site soils are relatively fast draining; therefore, the lack of measured water and waterbearing soils suggests the static ground water level is below the depth explored by our boring. Ground water levels usually fluctuate. Fluctuations occur due to varying seasonal and yearly rainfall and snow melt, as well as other factors. GEOTECHNICAL CONSIDERATIONS The following geotechnical considerations are the basis for the recommendations presented later in this report. AET Job No. 01-02061 Page 4 of9 Review of Soil ProDerties . The existing fill is judged to be low strength material. The coarse alluvial soils are considered relatively high strength materials. . The fill soils are also judged to be compressible under increased loadings due to the proposed construction. The coarse alluvium is not judged to be significantly compressible under the anticipated loading conditions. . In general, the fill at this site is moderately slow draining, while the coarse alluvial soils are fast draining. . The coarse alluvial soils have relatively low frost heave potential, provided they do not become wet. The fill soils are at least moderately frost susceptible. . The soils encountered at this site generally do not experience significant shrinkage or swelling due to changes in water contents. RECOMMENDATIONS Drilled Pier SUDDort It should be possible to support the elevated sign on drilled pier foundations bearing in the coarse alluvial sandy soils. . Drilled pier foundations extending at least 6'below grade can be designed for a maximum allowable soil bearing capacity of up to 3,000 pounds per square foot (pst). . The coarse alluvial soils in the upper portion of the soil profile are not judged to be significantly frost susceptible. Therefore, we do not anticipate uplift due to frost action on the piers will be a concern. . The following table provides estimates of density, cohesion, and angle of internal friction for use in design of the piers for lateral and moment resistance. In addition, the estimated AET Job No. 01-02061 Page 5 of9 friction angles provided for the granular soils below a depth of 5' can be used for consideration of uplift resistance. ESTIMATED SOIL PARAMETERS FOR DRILLED PIER DESIGN Depth Wet Density Cohesion Soil Internal Soil/Concrete Friction Angle Friction Angle (ft) (pet) (pst) (del!l'ees) (del!I"ees) - 0- Y> 120 500 15 - Y>-11Y> 115 0 32 27 llY>-14 115 0 34 24 14 - 16 110 0 30 24 Soread Footin2 SUDDort Alternatively, the sign could be supported on conventional spread footing foundations bearing on the competent naturally deposited coarse alluvium. . The spread footings can be designed for a maximum allowable bearing pressure of up to 2,500 pounds per square foot (pst). . These footings should be placed a minimum of 60" below grade for frost protection. . We recommend a coefficient of friction of 0.5 be used for the interface of the concrete footing with the coarse alluvial sand with gravel. Excavation . Soil conditions away from the test boring location should be expected to vary; therefore, the soils exposed in the footing excavations should be observed and evaluated by a geotechnical engineer/technician prior to new footing construction or fill placement (if necessary). . If fill is required below footing grades, the excavation bottom should be oversized at a I: 1 ratio from the outside edges of the foundations (Le., 1: 1 oversize). AET Job No. 01-02061 Page 6 of9 Fill . The existing fill soils should not be reused as structural fill or backfill. The fill used should be free of organic material and any miscellaneous rubble. Sand (SP) or sand with silt (SP- SM) fill soils are recommended. . Fill placed at the site should be compacted to a minimum of 95% of the Standard Proctor maximum dry density (ASTM:D698). . We assume the on-site sands and sands with silt will be used for foundation backfill. These soils should have a compacted wet density of about 115 pounds per cubic foot (pcf). Sidewalk/Exterior Bacldlllin2 . Soils placed below exterior sidewalks and slabs should be compacted to a minimum of95% of Standard Proctor maximum dry density. . Design of exterior grade-supported elements should take into consideration the frost properties of the soils present. . For more specific recommendations, please see the attached sheets entitled "Freezing Weather Effects on Building Construction" and "BasementlRetaining Wall Backfill and Water Control." These sheets present information on preferred soil types, frost considerations, drainage, and lateral pressures. CONSTRUCTION CONSIDERATIONS Construction Difficulties . The granular soils at this site will tend to cave into an open excavation. Therefore, we recommend temporary casing be used in construction of the drilled piers to prevent caving. We also recommend that a positive head of concrete be maintained above the bottom of the casing during extraction. AET Job No. 01-02061 Page 7 of9 . Care should be taken during placement of concrete for the drilled piers in order to avoid segregation of the concrete caused by concrete striking the reinforcing steel or the side of the excavation/casing. . Oversized particles can be present within the naturally deposited soils at this site. This can make excavating/drilling operations more difficult. If these materials are encountered at footing grade, they should be removed and replaced with compacted fill or additional concrete. Excavation SidesloDing: . Excavations should maintain minimum sidesloping in accordance with OSHA Regulations (Standards 29 CFR, Part 1926, Subpart P, AExcavations@), which can be found at htto://www.oshae:ov/ . Even with the required OSHA sloping, ground water seepage can induce sideslope raveling or running which would require maintenance. Observation and Testing: . On-site observation by a geotechnical engineer/technician IS recommended during construction to evaluate potential changes in soil conditions. . Soil density testing should be performed on fill placed, in order to document that recommended compaction levels have been satisfied. SUBSURFACE EXPLORATION The attached standard sheet entitled "Exploration/Classification Methods" provides details on sampling, classification, and water level measurement methods. Other pertinent details are as follows: AET Job No. 01-02061 Page 8 of9 . The approximate soil boring location is shown on the attached Figure I. The soil boring was located in the field by AET personnel by taping from the northeast property comer. . The surface elevation at the boring location was measured in the field by AET personnel using an engineer's level. The benchmark reference was the top nut of the hydrant located at the northwest comer of Dakota Street and Highway 13 (see Figure 1). This elevation was taken as 100.0, an assumed elevation. LIMITATIONS The data derived through this sampling and observation program have been used to develop our opinions about the subsurface conditions at your site. However, because no exploration program can reveal totally what is in the subsurface, conditions beyond borings and between samples and at other times, may differ from conditions described in this report. The exploration we conducted identified subsurface conditions only at those points where we took samples or observed groundwater conditions. Depending on the sampling methods and sampling frequency, every soil layer may not be observed, and some materials or layers which are present in the ground may not be noted on the boring log. If conditions encountered during constnJction differ from those indicated by our borings, it may be necessary to alter our conclusions and recommendations, or to modify constnJction procedures, and the cost of construction may be affected. The extent and detail of information about the subsurface condition is directly related to the scope of the exploration. It should be understood, therefore, that information can be obtained by means of additional exploration. STANDARD OF CARE Our services for your project have been conducted to those standards considered normal for services of this type at this time and location. Other than this, no warranty, either express or implied, is intended. AET Job No. 01-02061 Page 9 of9 CLOSURE To protect you, AET, and the public, we authorize use of opinions and recommendations in this report only by you and your project team for this specific project. Contact us if other uses are intended. Even though this report is not intended to provide sufficient information to accurately determine quantities and locations of particular materials, we recommend that your potential contractors be advised of the report availability. If you have any questions regarding the work reported herein, or if we can be of further service, please feel free to contact me at 651-603-6604. Report Prepared by: Report Reviewed by: American Engineering Testing, Inc. American Engineering Testing, Inc. JCfl ~ Steven D. Koenes, PE Principal Engineer MN Reg. No. 13180 Attachments: Freezing Weather Effects on Building Construction Basement/Retaining Wall Backfill and Water Control Figure I - Approximate Boring Locations Subsurface Boring Log Exploration/Classification Methods Boring Log Notes Unified Soil Classification System FREEZING WEATHER EFFECTS ON BUILDING CONSTRUCTION GENERAL Because water expands upon freezing and soils contain water, soils which are allowed to freeze will heave and lose density. Upon thawing, these soils will not regain their original strength and density. The extent of heave and density/strength loss depends on the soil type and moisture condition. Heave is greater in soils with higher percentages of fines (silts/clays). High silt content soils are most susceptible. due to their high capil1ary rise potential which can create ice lenses. Fine grained soils generally heave about 1/4" to 3/8" for each foot of frost penetration. This can translate to 1" to 2" of total frost heave. This total amount can be significantly greater if ice lensing occurs. DESIGN CONSIDERATIONS Clayey and silty soils can be used as perimeter backfill. although the effect of their poor drainage and frost properties should be considered. Basement areas will have special drainage and lateral load requirements which are not discussed here. Frost heave may be critical in doorway areas. Stoops or sidewalks adjacent to doorways could be designed as structural slabs supported on frost footings with void spaces below. With this design, movements may then occur between the structural slab and the adjacent on-grade slabs. Non-frost susceptible sands (with less than 12 % passing a #200 sieve) can be used below such areas. Depending on the function of surrounding areas, the sand layer may need a thickness transition away from the area where movement is critical. With sand placement over slower draining soils, subsurface drainage would be needed for the sand layer. High density extruded inaulation could be used within the sand to reduce frost penetration. thereby reducing the sand thickness needed. We caution that insulation placed near the surface can increase the potential for ice glazing of the surface. The possible effects of adfreezing should be considered if clayey or silty soils are used as backfill. Adfreezing occurs when backfill adheres to rough surfaced foundation walls and lifts the wall as it freezes and heaves. This occurrence is most common with masonry block walls. unheated or poorly heated building situations and clay backfill. The potential is also increased where backfill soils are poorly compacted and become saturated. The risk of adfreezing can be decreased by placing a low friction separating layer between the wall and backfill. Adfreezing can occur on exterior piers (such as deck, fence or other similar pier footings), even if a smooth surface is provided. This is more likely in poor drainage situations where soils become saturated. Additional footing embedment and/or widened footings below the frost zones (which includes tensile reinforcement) can be used to resist uplift forces. Specific designs would require individual analysis. CONSTRUCTION CONSIDERATIONS Foundations, slabs and other improvements which may be affected by frost movements should be insulated from frost penetration during freezing weather. If filling takes place during freezing weather, all frozen soils, snow and ice should be stripped from areas to be filled prior to new fill placement. The new fill should not be allowed to freeze during transit. placement or compaction. This should be considered in the project scheduling, budgeting and quantity estimating. It is usually beneficial to perform cold weather earthwork operations in small areas where grade can be attained quickly rather than working larger areas where a greater amount of frost stripping may be needed. If slab subgrade areas freeze, we recommend the subgrade be thawed prior to floor slab placement. The frost action may also require reworking and recompaction of the thawed subgrade. OIREPOI5(2/01) AMERICAN ENGINEERING TESTING, INC. BASEMENTIRETAlNING WALL BACKFILL AND WATER CONTROL DRAINAGE Below grade basements should include a perimeter backfill drainage system on the exterior side of the wall. The exception may be where basements lie within free draining sands where water will not perch in the backfill. Drainage systems should consist of perforated or slotted PVC drainage pipes located at the bottom of the backfill trench, lower than the interior floor grade. The drain pipe should be surrounded by properly graded filter rock. A filter fabric should then envelope the filter rock. The drain pipe should be connected to a suitable means of disposal, such as a sump basket or a gravity outfall. A storm sewer gravity outfall would be preferred over exterior daylighting, as the latter may freeze during winter. For non-building, exterior retaining walls, weep holes at the base of the wall can be substituted for a drain pipe. . BACKFlLLING Prior to backfilling, damp/water proofing should be applied on perimeter basement walls. The backfill materials placed against basement walls will exert lateral loadings. To reduce this loading by allowing for drainage, we recommend using free draining sands for backfill. The zone of sand backfill should extend outward from the wall at least 2', and then upward and outward from the wall at a 300 or greater angle from vertical. As a minimum, the sands should contain no greater than 12 % by weight passing the #200 sieve, which would include (SP) and (SP-SM) soils. The sand backfill should be placed in lifts and compacted with portable compaction equipment. This compaction should be to the specified levels if slabs or pavements are placed above. Where slab/pavements are not above, we recommend capping the sand backfill with a layer of clayey soil to minimi7e surface water infiltration. Positive surface drainage away from the building should also be maintained. If surface capping or positive surface drainage cannot be maintained, then the trench should be filled with more permeable soils, such as the Fine Filter or Coarse Filter Aggregates defined in MnDOT Specification 3149. You should recognize that if the backfill soils are not properly compacted, settlements may occur which may affect surface drainage away from the building. Backfilling with silty or clayey soil is possible but not preferred. These soils can build-up water which increases lateral pressures and results in wet wall conditions and possible water infiltration into the basement. If you elect to place silty or clayey soils as backfill, we recommend you place a prefabricated drainage composite against the wall which is hydraulically connected to a drainage pipe at the base of the backfill trench. High plasticity clays should be avoided as backfill due to their swelling potential. LATERAL PRESSURES Lateral earth pressures on below grade walls vary, depending on backfill soil classification, backfill compaction and slope of the backfill surface. Static or dynamic surcharge loads near the wall will also increase lateral wall pressure. For design, we recommend the following ultimate lateral earth pressure values (given in equivalent fluid pressure values) for a drained soil compacted to 95 % of the Standard Proctor density and a level ground surface. Equivalent Fluid Density Soil Type Active (pef) At-Rest (pef) Sands (SP or SP-SM) Silty Sands (SM) Fine Grained Soils (SC, CL or ML) 35 45 70 50 65 90 Basement walls are normally restrained at the top which restricts movement. In this case, the design lateral pressures should be the "at-rest" pressure situation. Retaining walls which are free to rotate or deflect should be designed using the active case. Lateral earth pressures will be significantly higher than that shown if the backfIll soils are not drained and become saturated. o lREPO 14(7/0 1) AMERICAN ENGINEERING TESTING, INC. .D4l(01'4 S?'4~'6' J"?~ SF> 178. OJ 1( ON L./Ne PIrOpe/f rr 11.$ LINe ~, \ " \ , I \ I \ , \ I I I I / / /I.s eX. AMOCO / , SIGN-" DETAIL Not to Scale Bearings shown ore on on assumed datum @ Denotes Iron Monument Found CON, C. N-4IL / / i a r.J 5 '" - I ;g PROJECT Amoco Elevated Sign 4805 Dakota Street SE, Prior Lake, Minnesota AMERICAN ENGINEERING TESTING, INC. SUBJECT A roximate Soil Borin Locations SCALE DRAWN BY MJL None CHECKED BY SDK 4' , \ \ \ /{i2 ~ ~ :~ f~ (f ~ ~ ~ ~ ~ V.J 10' ..ve~ F"'<D'l-I... '7c ~ sOufJ,o. ..; tYI~rl"'" A......O~b S,,1It.) '0) (x) "-t AET JOB NO. 01-02061 DATE June 24, 2004 Figure 1 IJ AMERICAN ENGINEERING SUBSURFACE BORING LOG TESTING, INC. AET JOB NO: 01-02061 LOG OF BORING NO. 1 (P. 1 ofl) PROJECT: Amoco Elevated Sien. 4805 Dakota St. SE; Prior Lake. MN DEPTIl SURFACE ELEVATION: 97.5 GEOLOGY SAMPLE REC FIELD & LABORATORY TESTS IN N MC FEET MATERIAL DESCRIPTtON TYPE IN. WC DEN LL PL 0-#20 FILL, mixture of sandy lean clay and silty sand, Fll..L _ la little '"""vel trace roots dark brown and brown I: 13 M SS 18 1 ....... ....:.... 2- ...:.... C- .. X 3 - .... 14 M SS 16 ......... ......... J;; 4- ........ ......... .L.O 5 - II M X SS 12 ....:..: 6- SAND WITH GRAVEL, fine to coarse grained, ...: J:l brown, moist, medium dense, possible cobbles i (SP) > .L.O 7 - ... . < X 8 - ......... COARSE 12 M SS 12 9- :....:.... ALLUVIUM ;.J .......: .L.O 10- ....:..: 12 M X SS 12 .......... 11- ........ J:l 12 - SAND WITH SILT AND GRAVEL, fine to .L.O 13 - medium grained, brown, moist, medium dense, 19 M SS 6 possible cobbles (SP-SM/SM) J:l 14 SAND, a little gravel, fine to medium grained, Ii .L.O 15 - brown, moist, medium dense (SP) 15 M SS 12 . 16 END OF BORING DEPTH: DRILLING METIlOD 0-14\1,' 3.25" HSA DATE TIME WATER LEVEL MEASUREMENTS SAMPLED CASING CAVE-IN DRILLING WATER DEPTIl DEPTIl DEPTH FLUID LEVEL LEVEL NOTE: REFER TO THE ATTACHED 6/18/04 10:05 16.0 14.5 15.3 None SHEETS FOR AN EXPLANATION OF TERMINOLOGY ON THIS LOG COMPLETED: 6/18/04 DR: MC LG: GL Ria: lC 06/04 EXPLORATION/CLASSIFICATION METHODS SAMPLING METHODS Split-Spoon Samples (SS) - Calibrated to N60 Values Standard penetration (split-spoon) samples were collected in general accordance with ASTM:DI586 with one primary modification. The ASTM test method consists of driving a 2" O.D. split-barrel sampler into the in-situ soil with a 140-pound hammer dropped from a height of 30". The sampler is driven a total of 18" into the soil. After an initial set of 6", the number of hammer blows to drive the sampler the final 12 " is known as the standard penetration resistance or N-value. Our method uses a modified hammer weight, which is determined by measuring the system energy using a Pile Driving Analyzer (PDA) and an instrumented rod. In the past, standard penetration N-value tests were performed using a rope and cathead for the lift and drop system. The energy transferred to the split-spoon sampler was typically limited to about 60 % of it's potential energy due to the friction inherent in this system. This converted energy then provides what is known as an N60 blow count. Most of todays drill rigs incorporate an automatic hammer lift and drop system, which has higher energy efficiency and subsequently results in lower N-values than the traditional N60 values. By using the PDA energy measurement equipment, we are able to determine actual energy generated by the drop hammer. With the various hammer systems avallable, we have found highly variable energies ranging from 55% to over 100%. Therefore, the intent of AET's hammer calibrations is to vary the hammer weight such that hammer energies lie within about 60% to 65% of the theoretical energy of a l40-pound weight falling 30". The current ASTM procedure acknowledges the wide variation in N-values, stating that N-values of 100% or more have been observed. Although we have not yet determined the statistical measurement uncertainty of our calibrated method to date, we can state that the accuracy deviation of the N-values using this method are significantly better than the standard ASTM Method. Disturbed Samples (DS)/Spin-up Samples (SU) Sample types described as "DS" or "SU" on the boring logs are disturbed samples, which are taken from the flights of the auger. Because the auger disturbs the samples, possible soil layering and contact depths should be considered approximate. Sampling Limitations Uuless actually observed in a sample, contacts between soil layers are estimated based on the spacing of samples and the action of drilling tools. Cobbles, boulders, and other large objects generally cannot be recovered from test borings, and they may be present in the ground even if they are not noted on the boring logs. CLASSIFICATION METHODS Soil classifications shown on the boring logs are based on the Unified Soil Classification (USC) system. The USC system is described in ASTM:D2487 and D2488. Where laboratory classification tests (sieve analysis or Atterberg Limits) have been performed, accurate claSsifications per ASTM:D2487 are possible. Otherwise, soil classifications shown on the boring logs are visual-manual judgments. Charts are attached which provide information on the USC system, the descriptive terminology, and the symbols used on the boring logs. The boring logs include descriptions ofi apparent geology. The geologic depositional origin of each soil layer is interpreted primarily by observation of the soil samples, which can be limited. Observations of the surrounding topography, vegetation, and development can sometimes aid this judgment. WATER LEVEL MEASUREMENTS The ground water level measurements are shown at the bottom of the boring logs. The following information appears under "Water Level Measurements" on the logs: . Date and Time of measurement . Sampled Depth: low..t depth of soil sampling at the time of measurement . Casing Depth: depth to bottom of casing or hollow-atem auger at time of measurement . Cave-in Depth: depth at which mellS1ll'ing tape slOpS in the borehole . Water Level: depth in the borehole where flee water is encountered . Drilling Fluld Level: same as Water Level, except that the liqIi;d in the borehole is drilling fluid The true location of the water table at the boring locations may be different than the water levels measured in the boreholes. This is possible because there are several factors that can affect the water level measurements in the borehole. Some of these factors include: permeability of each soil layer in profile, presence of perched water, amount of time between water level readings, presence of drilling fluid, weather conditions, and use of borehole casing. SAMPLE STORAGE Unless notified to do otherwise, we routinely retain representative samples of the soils recovered from the borings for a period of 30 days. OIREPOSIC(9/03) AMERICAN ENGINEERING TESTING, INC. BORING LOG NOTES Symbol B,H,N: CA: CAS: CC: COT: DC: DM: DR: DS: FA: HA: HSA: LG: MC: N (BPF): NQ: PQ: RD: REC: REV: SS: SU TW: WASH: WH: WR: 94=: .... \1. mHr.T.lNG AND SAMPLlNG SYMBOLS Definition Size of flush-joint casing Crew Assistant (initials) Pipe casing, number indicates nominal diameter in inches Crew Chief (initials) Clean-out tube Drive casing; number indicates diameter in inches Drilling mud or bentonite slurry Driller (initials) Disturbed sample from auger flights Flight auger; number indicates outside diameter in inches Hand auger; number indicates outside diameter Hollow stem auger; number indicates imide diameter in inches Field logger (initials) Column used to describe moisture condition of samples and for the ground water level symbols Standard penetration resistance (N-value) in blows per foot (see notes) NQ wireline core barrel PQ wir~ core barrel Rotary drilling with fluid and roller or drag bit In split-spoon (see notes) and thin-walled tube sampling, the recovered length (in inches) of sample. In rock coring, the length of core recovered (expressed as percent of the total core run). Zero indicates no sample recovered. . Revert drilling fluid Standard split-spoon sampler (steel; 1%" is imide diameter; 2" outside diameter); unless indicated otherwise Spin-up sample from hollow stem auger Thin-walled tube; number indicates imide diameter in inches Sample of material obtained by screening returning rotary drilling fluid or by which has collected imide the borehole after "falling" through drilling fluid Sampler advanced by static weight of drill rod and hammer Sampler advanced by static weigh~ of drill rod 94 millimeter wireline core barrel Water level directly measured in boring Estimated water level based solely on ssrnple appearance TEST SYMBOLS Symbol Definition CONS: DEN: DST: E: HYD: LL: LP: OC: PERM: PL: q,: q,,: q,,: R: 'RQD: SA: TRX: VSR: VSU: WC: %-200: One-dimensional consolidation test Dry density, pcf Direct shear test Pressuremeter Modulus, !sf Hydrometer analysis Liquid Limit, % Pressuremeter Limit Pressure, tsf Organic Content, % Coefficient of permeability (K) test; F - Field; L - Laboratory Plastic Limit, % Pocket Penetrometer strength, tsf (aDDroximate) Static cone bearing pressure, tsf Unconfined compressive strength, pst Electrical Resistivity, obm-cms Rock Quality Designator in percent (aggregate length of core pieces 4" or more in length as a percent of total core run) Sieve analysis Triaxial compression test Vane shear strength, remoulded (field), psf Vane shear strength, undisturbed (field), psf Water content, as percent of dry weight Percent of material finer than #200 sieve STANDARD PENETRATION TEST NOTES (Calibrated R.mmer Weight) The standard penetration test consists of driving a split-spoon ssmpler with a drop hammer (calibrated weight varies to provide NOD values) and counting the number of blows applied in each of three 6" increments of penetration. If the sampler is driven less than 18" (usually in highly resistant material), permitted in ASTM:D1586, the blows for each complete 6" increment and for each partial increment is on the boring log. For partial increments, the number of blows is shown to the nearest 0.1' below the slash. The length of ssrnple recovered:, as shown on the "REC" column, may be greater than the distance indicated in the N column. The disparity is because the N-value is recorded below the initial 6" set (unless partial penetration defined in ASTM:D 1586 ls encountered) whereas the lepgth of sample recovered is for the entire sampler drive (which may even extend more than 18 "). 01FLDOI2C(09/03) AMERICAN ENGINEERING TESTING, INC. UNIFIED SOIL CLASSIFICATION SYSTEM AMERICAN IJ ASTM Designations: D 2487, D2488 ENGINEERING TESTING, INC. - Soil Classification ~ Criteria for Assigning Group Symbols and Group Names Using Laboratory TestsA Group Group Name ABased on the material passing the 3-in SYmbol ~75.mm) sieve. Coarse-Grained Gravels Mon: Clean Gravels Cu~ and l:5C~~ GW Well graded gravel Iffield sample contained cobbles or Soils More than SO% coarse Less than 5% boulders, or both. add "with cobbles or than 50% fraction retained finesc Cu<4 andlor I>Cc>3 GP Poorly graded gravel boulders, or both" to group name. retained on on No.4 sieve cGnvels with 5 to 12% fmes require dual No. 200 sieve Gravels with Fines classify as ML or:MH GM Silty gravel . symbols: Fines more OW-GM well-graded gravel with silt than 12%fmes c Fines classifY as CL or CH GC Clayey gravel' GW-GC well-gnded gJlIV~ with clay GP..QM poorly graded gravel with silt Sands 50% or Clean Sands Cu~ and l:5:Cc$3 SW Well.gnded sand GP-GC poorly graded gravel with clay more of coarse Less than 50/0 DSands with 5 to 12% fines require dual fraction passes finesD Cu<6 and I>Cc>3 SP Poorly-graded sand symbols: No, 4 sieve SW-SM well-gnded sand with silt Sands with Fines classify as ML or MH SM Silty sand"...... SW.SC well.graded sand with clay Fines more Sp.SM poorly graded sand with silt than 12% fines D Fines classifV as CL or CH SC Clavev sand"''''' SP-SC poorly gnded sand with clay Fine-Grained Silts and Clays inorganic PI>7 and plots on or above CL Leancl.y"'- Soils 50% or Liquid limit less "A"1ineJ (D,,)' more passes than 50 PI<4 or flats below ML Silt""'".M Ecu = DI50 1010. Cc= the No. 200 "A" line DloxD60 sieve organic Liouid limit-oven dried <0.75 OL Organic clay"-~" FIf soil contains 2:15% sand, add "with (see Plasticity Liquid limit - not dried Organic silrL.MO sand" to group name. Chart below) c;ffines classify as CL.ML, use dual Silts and Clays inorganic PI plots on or above "A" line CH Fat clay"'- ~bol GC-GM, or SC-SM. Liquid limit 50 lffines are organic, add "with organic or more PI plots below"A" line ME EJasticsilf' fmes" to group name. Ilf soil contains 2:15% gravel, add "with organic Liauid limit-oven dried <0.75 OH Organic clay"'" flvel" to group name. Liquid limit - not dried Organic silrL.M.Q If Atterberg limits plot is hatched area, soils is a CL-ML silty clay. Highly organic Primarily organic matter. dark PT Peat"' KIf soil contains 15 to 29% plus No. 200 soil in color, and organic in odor add "with sand" or "with gravel", whichever is predominant Llf soil contains 2:30% plus No. 200, SIEVE ANAlYSIS '" / -- predominantly sand, add .'sandy" to ~""'QlonrcIlh+-----l ~rl_lI'IrI""""""'"1II'Id /' ~,..jtr.clill'l<ll.........m.-t"" -- , group name. , '" . . " . MIfsoil contains 2:30% plus No. 200, ~ . .. / -- V [ EcJIIIIkIn..,"..."..g,. "I" ..,;.. predominantly gravel, add "gravelly" HilIIzalIIIIlPl_41llU."z.s. .'~ . z ~ " o.,Pt-o.73(1J..Z) to group name. I. .1 ~rI"U",*", / / v~ ./ NpJ~ and plots on or above "A" line. ~ V-*-IIlLL-'lllle>Pl-7. o..l5rm1 tt.n1'l-O.8{U..8) / "p1<4 or plots below "A" line. ~ " PPI plots on or above "A" line. / / /' 1 . .1 -- Nv Qpl plots below "A'" line. " o._2.5nm " / -- (y'" ,/ RFiber Content description shown below. '- .- -- z . '/ o...D.lI7Smm " , - . ~ . - , . . , 1~ U " D. " "" " " ., . '" '" , .110 . PARllCLE SIZE IN M1LUMElCRS UQLRDUMIT(Ll) c..~.~.3ID C"..~.o.o::ll.u PlasticityCbart .. ..... .. ADDITIONAL TERMlNOLOGY'NOTES.USED.BYAEr'FORSOIVIDENTIFICAT!OI,rANDDESClUI'TION . ..................i.......... . Grain Size Gravel Percent811es Consistencv of Plastic Soils Relative Density ofNon~PI8StiC Soils Imn Particle Size :wm. Percent Imn N-Value BPF I= N-Value BPF Boulders Over 12" A Little Gravel 3%-14% Very Soft less than 2 Very Loose 0.4 Cobbles 3"to 12" With Gravel 15%.29% Soft 2-4 Loose 5-10 Gravel #4 sieve to 3" Gravelly 300/0.50% Firm 5-8 Medium Dense 11-30 Sand #200 to #4 sieve Stiff 9.15 Dense 31-50 Fines (silt & clay) Pass #200 sieve Very Stiff 16-30 Very Dense Greater than 50 Hard Greeter than 30 MoisturelFrost Condition Laverin!! Notes Fiber Content ofpeat Dranic/Roots Descrintion (if no lab tests) (MC Column) Laminations: Layers less than Fiber Content Soils are described as mvanic if soil is not peat D(Dry). Absense of moisture, dusty, dry to V:" thick of Imn Nisual Estimate) and is judged to have sufficient organic fines touch. differing material content to influence the soil properties. ~ M(Moist): Damp, although free water not areolar. Fibric Peat: Greater than 67% orvanic used for borderline cases. visible. Soil may still have a high Hemic Peat: 33-67% water content (over "optimum"). Lenses: Pockets or layers Sapric Peat: Less than 33% With roots: Judged to have sufficient quantity WCV/etI Free water visible intended to greater than W' ohoots to influence the soil Waterbearing): describe non-plastic soils. thick of differing properties. Waterbearing usually relates to material or color. Trace roots: Small roots present, but not judged sands and sand with silt to be in sufficient quantity to F (Frozen). Soil frozen significantly affect soil properties. o lCLS021(2l04) AMERICAN ENGINEERING TESTING,INC. .. PRIOR LAKE DEPARTMENT OF BUILDING AND INSPECTION INSPECTION RECORD SITE ADDRESS "fB~S- ~ ,,"0 ~ Av& TYPE OF WORK S\ oN USE OF BUILDING \ It:- AlrL- , I PERMIT NO. '" ~DATE1SSUED '1/(,(<:>+ BUILDER ~~~ PHONE # NOTE: THIS IS NOT A PERMIT FOR ANY OF THE INSPECTIONS BELOW THE PERMIT IS BY SEPARATE DOCUMENT INSPECTOR I ' D~TE / / I FOOTING I tJlJ I 7/ f"f . I PLACE NO CONCRETE UNTIL ABOVE HAS BEEN SIGNED '. I FRAMING I I I Pv1-t I I / I FINAL I L!.14L I 1.2//1;01 I FOR ALL INSPECTIONS (952) 447-9850 I -" ~~E ~rCJs- d.~~ ~-'2-. CITY OF PRIOR LAKE INSPECTION NOTICE ADDRESS OWNER SCHEDULED CONTR. PHONE NO. PERMIT NO. o FOOTING o FOUNDATION o FRAMING o INSULATION .,...a1'IAAL o SITE INSPECTION COMMENTS: a PLUMBING RI Cl MECH RI a WATER HOOKUP a SEWER HOOKUP Cl PLUMBING FINAL Cl MECH FINAL c':)~~7/ a EXlGRADlFILLING Cl COMPLAINT a FIREPLACE RI Cl FIREPLACE FINAL Cl GASLINE AIR TST Cl S1'~ a//~/~ , ~RK SATISFACTORY, PROCEED a CORRECT ACTION AND PROCEED o CORRECT WO~.' C SPECTlON BEFORE COVERING Inspector: Owner/Contr: CALL 447.9850 FOR THE NEXT INSPECTION 24 HOURS IN ADVANCE. CODE REQUIREMENTS ARE FOR YOUR PERSONAL HEALTH & SAFETY/ J1<$1WJTl DATE CITY OF PRIOR LAKE .&. ~L/' INSPECTION NOTICE SCHEDULED ~ 7"f'as- d.~(J ~ $~ ADDRESS OWNER CONTR. 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