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HomeMy WebLinkAboutSW3141103_HISTORICAL FILE_20141209STORMWATER DIVISION CODING SHEET POST -CONSTRUCTION PERMITS PERMIT NO. SW_,�jl`O 3 DOC TYPE ❑ CURRENT PERMIT ❑ APPROVED PLANS HISTORICAL FILE ❑ COMPLIANCE EVALUATION INSPECTION DOC DATE -L YYYYMMDD ECS CAROLINAS, LLP uSetting the Standard for Service" Geotechnical : Construction Materials • Environmental • Facilities NC RegisWed Engomfing Fi. F-1078 Mr. Derek Salfia The Keith Corporation 5935 Carnegie Blvd. Charlotte, NC 28209 Reference: Report of SHWT Study Project Marley Salisbury, Rowan County, ECS Project 08-10438 Dear Mr. Salfia November 17, 2014 OMSION OF LAND RESOURCES LAND QUALITY SECTION DEC 0 9 2014 1WAh11VLLd„ -, _—invNMENT AND NATURAL FdSOUFMa North Carolina ECS Carolinas, LLP (ECS) is pleased to provide you with our Report of Seasonal High Water Table (SHWT) Study for the Project Marley site in Salisbury, North Carolina. Project Information The approximate 32.55-acre site is located on the south side of Corporate Center Drive, south of Julian Road in Salisbury, Rowan County, North Carolina. The Rowan County parcel number associated with the site is 402-A-001. ECS understands that a warehouse and office building are proposed for the site. An aerial photograph was prepared by ECS identifying three SHWT boring locations (Figure 1), which are in general proximity to proposed stormwater devices. The soil investigation was conducted with a hand auger to a depth of 10 feet or auger refusal below ground surface (bgs). Scope of Services ECS conducted a study/investigation of the soils to identify the depth of the seasonal high water table, if present. The properties and characteristics of the soils retrieved from the borings were observed and recorded in field notes. The properties include texture, depth, the presence of restrictive horizons, depth to seasonal high water table, coarse fragments, etc. The assessment was conducted in accordance with current soil science practices and technology. Seasonal High Water Table Study Below is a summary of the soils retrieved,from the borings. SHWT Boring 1 — The surface layer to a depth of 4 inches bgs consists of brown sandy loam. The structure appears to be granular with very friable consistence. The subsurface layer from 4 to 9 inches bgs consists of brown and yellow sandy clay loam. The structure appears to be weak fine angular blocky with firm, sticky, plastic consistence. The subsurface layer from 9 to 48 inches bgs consists of orange and brown clay, with gray mottles identified at 15 inches bgs. The structure appears to be moderate medium angular blocky with very firm, sticky, very plastic consistence. The subsurface layer from 48 to 68 inches bgs consists of brown and gray clay. The structure appears 1812 Center Park Drive, Suite D, Charlotte, NC 28217 • T: 704-525-5152 • F: 704-357-0023 • www.ecslimited.com ECS Capdd Services, PLLC • ECS Caidinas, LLP • ECS Catrd, PLLC • ECS Fbrida, LLC • ECS Md AdwK LLC • ECS M&d L LLC • ECS Southeast, LLC • ECS Te , LLP SHWT Study Project Marley Salisbury, Rowan County, North Carolina ECS Project 08-10438 November 17, 2014 to be angular blocky with very firm, very sticky, very plastic consistence. Auger refusal was encountered at a depth of 68 inches bgs. SHWT Boring 2 — The surface layer has been removed due to recent tree clearing and grading activities. The ground surface to a depth of 16 inches bgs consists of olive brown clay. The structure appears to be angular blocky with very firm, very sticky, very plastic consistence. The subsurface layer from 16 to 25 inches bgs consists of multicolored saprolite with sandy clay loam texture. The structure appears to be massive/structureless with friable, non -sticky non -plastic consistence. Few clay lenses were identified within this layer. The subsurface layer from 25 to 120 inches bgs consists of multicolored saprolite with a sandy loam texture. The structure appears to be massive/structureless with friable, non -sticky, non -plastic consistence. No clay lenses were identified within this layer. SHWT Boring 3 — The surface layer to a depth of 3 inches bgs consists of brown sandy loam. The structure appears to be granular with very friable consistence. The subsurface layer from 3 to 36 inches bgs consists of gray clay. The structure appears to be moderate, medium, angular blocky with very firm, very sticky, very plastic consistence. The subsurface layer from 36 to 72 inches bgs consists of brown gray clay loam. The structure appears to be moderate medium angular blocky with very firm, sticky, very plastic consistence. A clay increase was noted within the subsurface layer from 72-80 inches bgs, and consisted of brown and gray clay. The structure appears to be angular blocky with very firm, very sticky, very plastic consistence. The subsurface layer from 80 to 86 inches bgs consists of brown gray clay loam. The structure appears to be weak, medium, sub - angular blocky with firm, slightly sticky, slightly plastic consistence. Lightly colored weathered rock was noted in the aforementioned horizon. Auger refusal was encountered at a depth of 86 inches bgs. Findings SHWT Boring 1 — Evidence of a SHWT appears at a depth of 15 inches bgs. Reducing conditions were noted to the depth of auger refusal. It is possible that the shallow depth of the SHWT is from an episaturated condition, or perched water table, due to slow saturated hydraulic conductivity of the soil horizon occurring within and below 15 inches. Although field results indicate 15 inches bgs as the SHWT, lighter colors were noted right before auger refusal. ECS compared previous geotechnical data to determine depths to water in this area. Water was not identified within 10 feet bgs. Based on previous geotechnical data and observations at the site, it is our opinion that the true SHWT occurs lower than 68 inches bgs; however, a drill rig will be required to advance to deeper depths to make a more conclusive determination of a perched or actual SHWT depth. SHWT Boring 2 — Evidence of a perched SHWT appears at a depth just bgs. Reducing conditions were noted to the depth of approximately 16 inches, indicating a restrictive soil horizon. Due to the low saturated hydraulic conductivity of this layer, caused by expansive clay mineralogy, an episaturated condition (perched water table) was identified. Soil horizons below the expansive clay, from 16 to 120 inches bgs, did not exhibit indicators of an actual SHWT. SHWT Boring 3 — Evidence of what is perceived as a perched SHWT appears at a depth 3 inches bgs. Reducing conditions were noted to the depth of auger refusal. Soil depth horizons occurring from 3 to 36 inches, and 72 to 80 inches, exhibited restrictive layers caused by expansive clay 2 SHWT Study Project Marley Salisbury, Union County, North Carolina ECS Project 08-10438 November 17, 2014 mineralogy. Very low saturated hydraulic conductivities would occur throughout the soil profile as a result of expansive mineralogy, very poor structure, and depth to rock. ECS compared previous geotechnical data to determine Aepths to water in this area. Water was not identified within 10 feet bgs. Based on previous geotechnical data and observations at *the site, it is our opinion that the true SHWT occurs lower than 68 inches bgs;.however. a drill rig Will be required to advance to deeper depths,to make a more conclusive determination of a perched or actual SHWT depth. . The type of stormwater. management facility designed is based on the 'depth of the SHWT or confining. layer. The, information above may be • potentially utilized to determine the type of stormwater management facility best suited for this site:according to the North Carolina Division of Water Quality Stormwater Best Management Practice Manual, datedJuly, 2007. Closing ECS is pleased to offer our professional services and look forward to assisting in any of.your site . ..' analysis needs, in the future. If you:have any.questions or require further assistance, please contact us at 704-525-5152. Respectfully, ECS CAROLINAS, LLP K. -� W. Brandon Fulton, LS PWS Lee J. 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F v`� 4 �'r � A � � �� l?`'r � � �xC K. , - ityi �.rP' ��$^C irit r�•� �'�•¢r�P .w �. i l"" ��y��// �r. .� ,. °d-,°�.w-„y_ ••. 3 • y �y 9 .. o� ,, `� IY tl �i a q y a..+6 4' qw ' �'a `t' �''Z.dlb 1?.r I r`I i;C'� ;LS:"4r J 4s1,`'I's�c^Or,'St`�`rysF.'•la. t "i °`,t1Y'a+Ly� �S'r:+',,rr.,�"'balpl��`ri'`M+�L?^f(y um ;V.✓._ LEGEND Boring location a.K C' I c CAR O Lo NAS DIVISION OF LAND RESOURCES LAND QUALITY SECTION DEC 0 9 2014 REPORT AND MATUML ROOM= OF SUBSURFACE EXPLORATION SUMMIT CORPORATE CENTER — LOT 7 SALISBURY, NORTH CAROLINA ECS PROJECT NO.08-4794 August31, 2007 I L C a r ECS CAROLINAS, LLP Geotechnical • Construction Materials • Environmental 0 cnr;c•�� iiunx August 31, 2007 Mr. Derek Salfia The Keith Corporation 2719 Coltsgate Road Charlotte, NC 28211 Reference: Report of Subsurface Exploration Summit Corporate Center —Tract 7 Salisbury, North Carolina ECS Project No. 08-4794 Dear Mr. Salfia: ECS Carolinas, LLP (ECS) has completed the subsurface exploration and geotechnical evaluation for the above referenced project. This project was authorized and performed in general accordance with ECS Proposal No. 08-7540P. The purpose of this exploration was to determine the general subsurface conditions at the site and to evaluate those conditions with regard to foundation, floor slab and pavement support along with general site development. This report presents our findings along with our conclusions and recommendations for design and construction of the project. /ECS'Ciiolinas, LLP appreciates the opportunity to assist you during this phase of the project. If you have questions concerning this report, please contact our office. Respectfiilly; " fls-1'�+ECS CAROLINAS;'LLP J'4e CA Q1 Jonathan R. Almond, E.I. Geotechnical Project Manager l ek L. Clybum, P `IVi SARp�/i,��� Principal Engineer �+ NC Registered 032551t _ SEAL , 032551 : gl Zoo' �F GINe �. 8702 Red Oak Boulevard, Suite A, Charlotte, North Carolina 28217.704-525-5152 • Fax: 704-525-7178 • www.ecslimited.com n: as REPORT OF. SUBSURFACE EXPLORATION Summit Corporate Center — Lot 7 Salisbury, North Carolina Prepared For: Mr. Derek Salfia The Keith Corporation 2719 Coltsgate Road Charlotte, North Carolina Prepared By: ECS CAROLINAS, LLP 8702 Red Oak Boulevard, Suite A Charlotte, North Carolina 28217 ECS Project No: OF. AND RESD� !TY SE souncES 08-4794 ~ D& , DEC 0 9 2014 Aft tm 44- .. ENT Report Date: --`Q August 31, 2007 Report of Subsurface Exploration and Engineering Services Summit Cm porate Center — Lot 7 Salisbury, North Carolina ECS Project No. 08-4794 Prior to drilling, ECS personnel visited the site to perform the field using a sub -meter Trimble Global Positioning features of the site were observed with respect to drilling ac a 2 Mr. DerekSal(Ia O The Keith Corporation U ( August 31, 2007 l o Page 1 N 1 Q ON o �� c� 'iAclonnaisgance end locate the borings in siftl(GPS) Backpack unit. The surface ssnd existing ut 5-ilities. Our subsurface exploration included the execution of eighteen (18) soil test borings (B-1 through B- 18) at the approximate locations shown on the Boring Location Diagram, included in the Appendix (Figure 2). The boring locations were established and located in the field by personnel from ECS using the mobile GPS unit. The borings were advanced to depths ranging between 10 and 25 feet below the existing ground surface using a B-57 mounted rig using continuous -flight, hollow -stem auger. FIELD EXPLORATION Standard Penetration Test (SPT) Drilling: Standard Penetration Tests (SPT's) were performed in the current borings at designated intervals in general accordance with ASTM D 1586-84. The Standard Penetration Test is used to provide an index for estimating soil strength and density. In conjunction with the penetration testing, split -barrel soil samples were recovered for soil classification and potential laboratory tests at each test interval. Brief descriptions of the field testing procedures and Test Boring Records are included in Appendix. Elevations shown on the Test Boring Records and referenced within this report were interpolated from a site plan provided by The Keith Corporation. The drill crew ,also! maintained a field log of the soils encountered at all the boring locations. After `recovery„"}peach sample was removed from the sampler and visually classified. Representative ?3' ni;'.p'ortions bf each sample were then sealed and brought to our laboratory in Charlotte, North Carolina for further visual examination and laboratory testing. Groundwater measurements were attempted at the termination of drilling at all boring locations and t ?_below' exi ti ggrade.oAlth utaBoring B oximately 18 feet Although one fluctuation groundwater ter levels rwith climatic ,wand seasonal variations, construction problems related to groundwater are not anticipated in this project. LABORATORY SERVICES Recovered soil samples were transported to our laboratory where they were subjected to visual - manual classification by a geoteclnnical engineer. A Test Boring Log was prepared for each boring. The Test Boring Records were prepared using the observations made in the field during drilling, as well as the visual — manual classification in the laboratory. In addition to visual classification, Atterberg limits and in -situ moisture content testing were conducted to better evaluate the on -site characteristics and current conditions. Soil Classification: A geotechnical engineer classified each soil sample on the basis of color, texture, and plasticity characteristics in general accordance with the Unified Soil Classification System (USCS). The soil engineer grouped the various soil types into the major zones noted on the boring logs. The stratification lines designating the interfaces between earth materials on the boring logs and profiles are approximate; in situ, the transition between strata may be gradual in both the Report ofSubsurfaee Exploration and Engineering Services Summit Corporate Center —Lot 7 Salisbury, North Carolina ECS Project No. 08-4794 Mr. Derek Salfea The Keith Corporation August 31, 2007 Page3 vertical and horizontal directions. The results of the boring visual classifications are presented on the Test Boring Logs included in Appendix Additional Laboratory Testing: In addition to visual classification, ECS also performed Atterberg limit testing, Standard Proctor testing, and natural moisture testing. Atterberg limit testing was done to evaluate the potential for shrink/swell potential and plasticity of the tested soils. Data obtained from the laboratory tests are presented in the section labeled "Laboratory Test Results" of this report and/or Appendix SITE AND SUBSURFACE FINDINGS Site Description: The area of study, Lot 7, exists in a previously developed industrial park along Summit Place Drive in Salisbury, North Carolina. During the time of exploration the lot was wooded but did exhibit some potential for the existence of previous grading or fill activities along the road frontage and center of the site. The site is moderately to heavily wooded, with topography sloping from the south to north. Elevations on -site range between 770 and 815 feet above mean sea level (MSL) elevation. Several drainage features traverse the site running from east to west. Soil Survey: The following information is presented based on a review of the Soil Survey of Rowan County, North Carolina, issued by the U.S. Department of Agriculture - Soil Conservation Service in 1995. According to the Soil Survey of Rowan County, North Carolina, the predominant soil type at the subject site is the Sedgefield Sandy loam (SeB) for the northern most two-thirds of the property. The soils survey also indicates that Cecil Sandy Clay loam (CeB2) series extend onto the lower third of the property. Area Geology: The site is located in the Piedmont Physiographic Province of North Carolina. The native soils in the Piedmont Province consist mainly of residuum with underlying saprolites weathered from the parent bedrock, which can be found in both weathered and unweathered states. Although the surficial materials normally retain the structure of the original parent bedrock, they typically have a much lower density and exhibit strengths and other engineering properties typical of soil. In a mature weathering profile of the Piedmont Province, the soils are generally found to be finer grained at the surface where more extensive weathering has occurred. The particle size of the soils generally becomes more granular with increasing depth and gradually changes first to weathered and finally to unweathered parent bedrock. The mineral composition of the parent rock and the environment in which weathering occurs largely control the resulting soil's engineering characteristics. Based on our site reconnaissance and review of the published information pertaining to the geology in the general vicinity of the site, the parent bedrock underlying the property is felsic metamorphic or igneous rock. The onsite residual soils are the product of the weathering of the parent bedrock. Report ofSubstuface Exploration and Engineering Services Summit Corporate Center —Lot 7 Salisbury, North Carolina ECS Project No. 08-4794 Mr. Derek Salfta The Keith Corporation August 31, 2007 Page 4 Subsurface Conditions: The subsurface conditions at the site, as indicated by the borings, generally consist of fill, alluvial soil and residual soil to at least the depths explored. The generalized subsurface conditions are described below. For soil descriptions and general stratification at a particular boring location, the respective Test Boring Record should be reviewed. The below descriptions provide a general summary of the subsurface conditions encountered. The demarcation designating the interfaces between various material types represent approximate boundaries and the transition between identified layers may be gradual. Topsoil is present at the ground surface in all our borings. The topsoil ranged in thickness from 2 to 4 inches across the site. For stripping purposes, we recommend including a budget for clearing at least 8 inches of topsoil across the site. . Previously placed fill materials were encountered at ground surface in borings B-9, B-17, and B-18. The fill materials encountered extend 3 to 5.5 feet below the existing ground surface. The soil component consisted mainly of silty sands and sandy silts. The SPT N-values measured in the fill ranged mostly from 11 to 29 blows per foot (bpf). Possible fills were noted to exist in borings B-1 and B-13 to a depth of 3 feet below ground elevation. These materials exhibited SPT N-values ranging between 11 and 16 bpf. Undocumented fill poses risks associated with undetected deleterious inclusions within the fill and/or deleterious materials at the virgin ground/fill interface that are covered by the fill. ECS Carolinas, LLP was not provided with any documentation to support that all previously encountered deleterious materials have been removed from the project site. The existing fill soils that will remain after excavating to the FFE generally are not suitable to support foundations, floor slabs or pavements Alluvial (water deposited) soils were encountered in boring location B-3, B-4, and B-9. The alluvial soils were encountered at ground surface and extended to a depth of 3 to 5.5 feet below ground elevation. The alluvial deposit consisted of Silty Clay. SPT N-values exhibited by the alluvial profile ranged between 6 and 19 bpf. Residual soils are present below the fill and alluvial soils, or at ground elevation at all of the borings. Residual soils are formed by the in -place chemical and mechanical weathering of the parent bedrock. The residual soil stratas were encountered at depths ranging between 0 and 5.5 feet and extending to a minimum depth of 10 and at least 25 feet below ground elevation. The residual soils encountered consisted of Clayey Silt, Sandy Silt, and Silty Sand, exhibiting SPT N-values ranging between 6 and 40 bpf, while averaging between 10 and 20 bpf. Residual profiles exhibiting extended soft soils (blowcounts less than 7 bpf) were indicated in borings B-12 and B-14. Materials hard enough to be classified as weathered rock (SPT N-values greater than 100 bpf) were not encountered in any borings. Groundwater & Cave -In Depth Observations: Groundwater measurements were attempted at the termination of drilling and again at the end of the day prior to demobilization. Groundwater was measured in boring B-7 at a depth of 18 feet below ground elevation. Based on our soil test borings, groundwater is not anticipated to significantly affect the planned development. Please note that fluctuations in the groundwater level can be expected depending on variations in precipitation, run-off and other factors not evident at the time of our subsurface Report ofSubsmjace Exploration and Engineering Services Summit Corporate Center —Lot 7 Salisbury, North Carolina F.CS Project No. 08-4794 Mr. Derek Sa7fia 77ie Keith Corporation August 31, 2007 Page 5 exploration. Normally, the highest groundwater levels occur in late winter and spring and the lowest levels occur in late summer and fall. Cave-in depths noted on the boring logs ranged in depths of 5.9 to 20.1 feet below the existing ground surface in our borings. The cave-in depths are sometimes an indication of the approximate groundwater level at or below the caved depths or the result of the fall -in of soils as the augers were removed. i LABORATORY TEST RESULTS Laboratory testing was performed on selected samples collected from the borings. The laboratory testing program included visual classifications, moisture content tests (ASTM D 2216), Atterberg Limit testing (ASTM D 4318) and standard Proctor testing (ASTM D-698). Results of the laboratory testing are also provided in the Appendix. Refer to the table below for Atterberg Limits and natural moisture content test results. The Atterberg Limit Test and our visual classification confirms that the samples selected from borings B-3 and B-9 are high plasticity clays. These materials are not suitable for the use as project structural fill or foundation or slab bearing materials. Natural Moisture Content & Atterberg Limits Test Results •Boring B-2 � 3.5-5.0 N""tu�al 16.1 Liquid t - Plastic Limitndex% e% k'! PlasticityRmi B-3 1.0-2.5 21.4 58 21 37 CH B-5 3.5-5.0 13.5 - - B-7 8.5-10.0 13.8 - - - - B-9 3.5-5.0 22.9 50 18 32 CH B-9 6.0-7.5 21.6 46 20 16 ML B-9 13.5-15.0 32.7 - B-11 6.0-7.5 9.4 B-13 6.0-7.5 13.1 B-14 1.0-2.5 5.0 B-15 6.0-7.5 25.2 - B-15 13.5-15.0 22.2 B-16 3.5-5.0 26.5 B-16 8.5-10.0 34.9 B-17 6.0-7.5 25.6 43 33 10 ML B-18 6.0-7.5 23.6 PROJECT DESCRIPTION ECS anticipates that on -site construction will consists of a proposed 200,000 square foot structure with associated parking areas and drives located to both the east and west of the proposed structure. ECS anticipates that the structure will be steel framed, with tilt panel or similar wall construction. ECS also anticipates that column loads to be on the order of 200 kips, and wall loads no more than 5 kips per foot. Floor loadings are not expected to exceed 300 pounds per square foot. Report of Subsurface Exploration and Engineering Services Summit Corporate Center —Lot 7 Salisbury, North Carolina ECS Project No. 08-4794 Mr. Derek Salfia 77re Keith Corporation August 31, 2007 Page 6 f Drawings provided by The Keith Corporation have been used to estimate a proposed FIFE of 800 feet MSL for the structure. Based on this FIFE, ECS anticipates that cut and fill depths in the magnitude of 15 feet will be required. No below grade structures are anticipated for construction. Associated parking areas and drives will be located to the north of the proposed structure. No traffic loadings or pavement information was provided at the time of report submittal. CONCLUSIONS AND RECOMMENDATIONS The borings performed at this site represent the subsurface conditions at the location of the borings only. Due to the prevailing geology, there can be changes in the subsurface conditions over relatively short distances that have not been disclosed by the results of the borings performed. Consequently, there may be undisclosed subsurface conditions that require special treatment or additional preparation once these conditions are revealed during construction. Our evaluation of foundation support conditions has been based on our understanding of the site, project information and the data obtained in our exploration. The general subsurface conditions utilized in our foundation evaluation have been based on interpolation of subsurface data between the borings. In evaluating the boring data, we have examined previous correlations between penetration resistance values and foundation bearing pressures observed in soil conditions similar to those at your site. If the project information is incorrect or if the structure location (horizontal or vertical) and/or dimensions are changed, please contact us so that our recommendations can be reviewed. The discovery of any site or subsurface conditions during construction, which deviate from the data outlined in this exploration, should be reported to us for our evaluation. The assessment of site environmental conditions for the presence of pollutants in the soil, rock, and ground water of the site was beyond the scope of this exploration. The assessment of site environmental conditions for the presence of pollutants in the soil, rock, and ground water of the site was beyond the scope of this exploration. PROJECT DESIGN Foundation Support: Provided the recommendations outlined herein are implemented, the proposed structure can be adequately supported on a shallow foundation system consisting of spread footings bearing on undisturbed residual soils or on newly -placed structural fill. A net allowable bearing pressure of up to 3,000 pounds per square foot (pso can be used for design of the foundations. The net allowable bearing pressure is that pressure which may be transmitted to the soil ( in excess of the minimum surrounding overburden pressure. Minimum wall and column footing dimensions of 24 and 16 inches, respectively, should be maintained to reduce the possibility of a localized, "punching" type, shear failure. Exterior foundations and foundations in unheated areas should be designed to bear at least 18 inches below finished grades for frost protection. Report of Subsurface Exploration and Engineering Services Sununit Corporate Center —Lot 7 Salisbury, North Carolina ECS Project No. 08-4794 Mr. Derek Salf( a The Keith Corporation August 31, 2007 Page 7 Settlement: Based on. the subsurface conditions encountered and assuming that the recommendations discussed herein are incorporated, total and differential settlement should be within tolerable limits. Total settlement is anticipated to be less than 1.0 inch while differential settlement between columns is anticipated to be less than 0.5 inch. We recommend that control joints be placed within the masonry to allow movement. Site Classification for Seismic Design: The 2006 Edition of the North Carolina Building Code (NCBC) requires that the stiffness of the top 100-ft of soil profile be evaluated in determining a site seismic classification. Alternately, designers can default by Code to a Site Class "D" site assumption, unless soils data further reduces the site to an "E" classification. To determine the stiffness of the top 100-ft of the soil profile at the site, a Refraction Microtremor (ReMiTM) survey was performed at the ReMiT"tlocation (array) across the site as seen on the Boring Location Diagram. The data was processed using SeisOpt® ReMiTM software to reveal a one- dimensional average shear -wave (S-wave) velocity image for the array, which is provided in the appendix. In addition, the survey also provides the average shear wave velocity to a depth of 100 feet that was used to determine the seismic Site Class. The data available to date indicates that a Site Class "D" is appropriate for the project. Slab -On -Grade Support: The proposed slab -on -grade floor system can be adequately supported on undisturbed residual soils or on new, properly placed fill provided the site preparation and fill recommendations outlined herein are implemented. For a properly prepared site, a modulus of subgrade reaction (k) for the soil of 100 pounds per cubic inch for the soil can be used. This value is representative of a 1-ft square loaded area and may need to be adjusted depending the size and shape of the loaded area depending on the method of structural analysis. We recommend that a granular material be placed immediately beneath the floor slab to provide a capillary barrier and to increase the load distribution capabilities of the floor slab system. We recommend the slabs -on -grade be underlain by a minimum of 4 inches of granular material having a maximum aggregate size of 1% inches and no more than 2 percent fines. This granular layer will facilitate the fine grading of the subgrade and help prevent the rise of water through the floor slab. Prior to placing the granular material, the floor subgrade soil should be properly compacted, proofrolled, and free of standing water, mud, and frozen soil. Before the placement of concrete, a vapor barrier may be placed on top of the granular material to provide additional moisture protection. However, special attention should be given to the surface curing of the slab in order to minimize uneven drying of the slab and associated cracking. We recommend that the floor slab be isolated from building foundations unless the connection is designed to accommodate anticipated foundation settlement. Pavements: The undisturbed low plasticity silty sands and sandy silts observed in our borings or newly placed approved controlled structural fill can provide adequate support for a pavement structure designed for appropriate subgrade strength and traffic characteristics as long as the "Project Construction" of this report is followed. However, the existing highly plastic soils observed in boring B-3 and B-9 are not suitable for direct support of project pavements. Depending on the site conditions during construction and based on the final design grades, the areas containing the highly plastic soils (CH) materials may need to be stabilized with geotextiles and ABC stone or undercut and replaced with compacted structural fill. i Report of Subsurface Exploration and Engineering Services Mr. Derek Salfia Summit Corporate Center —Lot 7 The Keith Corporation Salisbury, North Carolina August 31, 1007 ECSProjeet No. 08-4794 Page 8 Design of the pavement sections is beyond our scope of work; however, typically, for light duty areas, a minimum pavement section should consist of 3 inches of asphaltic concrete surface course overlying 6 inches of compacted aggregate base course (ABC) stone. For heavy-duty areas, the minimum pavement section should consist of 4 inches of asphaltic concrete (surface course and binder) overlying 8 inches of compacted ABC stone. The pavement cross -sections provided do not account for construction traffic. The cross-section provided are minimum cross -sections required to support typical traffic loads for the type of development discussed in this report. Pavement cross-. sections should conform to local standards if they will be maintained by local government. These pavement sections may vary depending site conditions. Once pavement design criteria is determined, 1 CS should be further consulted to analyze the appropriateness of the designated pavement section. Concrete should be properly cured to protect it against loss of moisture, rapid temperature changes, and mechanical injury during the first several days. We suggest a suitable curing compound be applied after concrete has been finished. All pavements should be sloped to allow for positive drainage. A concrete dumpster pad should be constructed to accommodate dumpsters and the dumpster trucks. We recommend that a minimum 6-inch thick reinforced air entrained concrete pad be placed in front of the dumpster for use by the refuse truck during loading operations. The refuse collector should be consulted to confirm the size, thickness and layout of the concrete pad. We emphasize that good base course drainage is absolutely essential for successful pavement performance. Water buildup in the base course will result in premature pavement failures. The subgrade and pavement should be graded to provide rapid runoff to either the outer limits of the paved area or to catch basins so that standing water will not accumulate on the subgrade or pavement. Any areas of landscaping with sprinkler systems, or areas of cut that would allow water to enter the pavement system, may need subdrains installed to prevent entry. It is quite likely that the subgrade in all pavement areas will be exposed to weather extremes and/or construction traffic prior to placement of pavements. In this event, the upper 12 inches of subgrade soil should be scarified and rolled to achieve a density of at least 100 percent of its standard Proctor maximum dry density. If the subgrade soils become dry prior to placement of the pavements, they should be moistened to approximately their optimum moisture content and recompacted to the above density. In flexible pavement areas, the aggregate base should then be applied and compacted to at least 100 percent of its standard Proctor maximum dry density prior to pavement construction. In rigid pavement areas, the subgrade should be moistened lightly immediately prior to placement of -• concrete. The pavement subgrade should be prepared in accordance with the site preparation and fill I..• recommendations provided in this report. The subgrade and the pavement surface should be sloped and discharged to a suitable outlet area to provide positive subsurface and surface drainage away from the pavement. Water within the base course layer can lead to softening of the subgrade and I.., other problems that will result in accelerated deterioration of the pavement. Report ojSubsurface Fzploratlon and Engineering Services Summit Corporate Center— Lot 7 Salisbury, North Carolina ECS Project No. 08-4794 Mr. Derek Salla 7be Keith Corporation August 31, 2007 Page 9 It should be noted that all pavements require regular maintenance and occasional repairs to keep in a serviceable condition. In addition, to minimize water infiltration to the pavement section and within the base course layer resulting in softening of the subgrade and deterioration of the pavement, we recommend the timely sealing of joints and cracks in existing paving. Lateral Earth Pressures/Retaining Walls: According to the 2006 North Carolina Building Code, retaining systems which provide a total vertical grade change of 5 feet over a horizontal distance of 50 feet or less must be designed and constructed under the responsible charge of a licensed professional engineer. This includes retaining walls less than 5 feet tall that may have slopes above or below the walls. We recommend the following parameters for design of retaining walls: 5 dwfik , { i "' F� ' -e 'Ty�`y .f�li i�w4 {y We��p6y,{t,,x` ROV Coefliuent ' tCoetlictent+ Coeffnent �aAngle,,.}, i e43 Cl]IdbL_ Onsite Soils 120 .50 .36 2.8 28 The parameters given above are for walls without appreciable backslopes. Sloping backfill behind the wall will significantly increase the lateral pressure applied to the wall, which will require modification of the earth pressure coefficients recommended above. The Active Coefficient should be used where the wall is allowed to rotate. Rotation at the top of the wall on the order of 0.5 percent to 1 percent of the wall height is normally required to develop the full Active Earth Pressure condition. If rotation of the top of the wall is not an acceptable condition or if the rotation will be restrained by bracing or by supported floors, then the At Rest Earth Pressure Coefficient should be used to design the wall. Resistance to lateral sliding of the wall will be derived from friction between the wall foundation and the supporting soil and from passive earth pressure against the outside face of the embedded wall and foundation. We recommend the resistance derived from both sources be considered to act (. simultaneously. However, we recommend a minimum factor of safety of 2.0 be used to compute the allowable resistance from passive pressure since considerable lateral displacement is typically required to fully mobilize the passive resistance. Additionally, passive earth pressure should be neglected in the top 1.5 feet of embedment to account for seasonal drainage, shrinkage, softening, or erosion. Also, a minimum factor of safety of 2.0 should be applied to the coefficient of friction provided in the table above. Retaining wall design should account for any surcharge loads within a 45-degree slope from the base of I- - the wall. Below grade walls that may retain water behind them should be designed to resist hydrostatic pressures in addition to earth pressures unless an adequate wall drainage zone is provided. The surface of the backfill should slope slightly to promote positive surface water flow away from the retaining wall to prevent ponding of water behind the wall. If segmental block retaining walls will be utilized in cut areas of the site, the wall face should be located far enough away from adjacent property lines, structures, or other site constraints to permit construction of the segmental block wall. We recommend the face of the wall be located away from the site constraint by at least 2 times the total change in elevation that the retaining wall, including any slopes 1 Report t j Subsurface Exploration and Engineering Services Sunni( Corporate Center —Lot 7 Salisbury, North Carolina ECS Project No. 06-4794 Mr. Derek Salfia The Keith Corporation August 31, 2007 Page 10 above or below the wall, will provide. This separation should provide approximately one wall height behind the wall face to accommodate the geogrid reinforcing sheets while still allowing enough space to make a temporary excavation for construction of the segmental wall. The onsite non -plastic silty sands and sandy silts are suitable for use as backfill behind conventional below -grade walls provided they are compacted in accordance with those procedures outlined in a subsequent section of this report. Cut and Fill Slopes: We recommend that penmanent cut slopes less than 10 feet tall through undisturbed residual soils be constructed at 2:1 (horizontal: vertical) or flatter. Permanent fill slopes less than 20 feet tall may be constructed using controlled fill at a slope of 2.5:1 or flatter. A slope of 3:1 or flatter may be desirable to permit establishment of vegetation, safe mowing, and maintenance. The surface of all cut and fill slopes should be adequately compacted. All permanent slopes should be protected using vegetation or other means to prevent erosion. The outside face of building foundations and the edges of pavements placed near slopes should be flocated an appropriate distance from the slope. The North Carolina Building Code lists the following I requirements: • Buildings or pavements placed at the top of fill slopes should be placed at distance equal to at least 1/3 of the height of the slope behind the crest of the slope, but that distance need not be more than 40 feet. Buildings or pavements near the bottom of a slope should be located at least % of the height of the slope from the toe of the slope, but the distance need not be more than 15 feet. Slopes with structures located closer than these limits or slopes taller than the height limits indicated, should be specifically evaluated by the geotechnical engineer and may require approval from the building code official. °- Any fill placed in sloping areas should be properly benched into the adjacent soils. Temporary slopes in confined or open excavations should perform satisfactorily at inclinations of l(H):l (V). All excavations should conform to applicable OSHA regulations. 1 Appropriately sized ditches should run above and parallel to the crest of all permanent slopes to divert surface runoff away from the slope face. To aid in obtaining proper compaction on the slope face, the fill slopes should be overbuilt with properly compacted structural fill and then excavated back to the proposed grades. PROJECT CONSTRUCTION Site Preparation & Earthwork Operations: The proposed construction area should be stripped of all topsoil, organic material, existing fill, alluvial soil and other soft or unsuitable material. Any resulting isolated excavations should be backfilled with suitable fill material. We expect a stripping depth of 8 inches based on the borings; however, deeper stripping depths are typically required in wooded areas. Stripping depths will vary depending on the time of the year. During the wet seasons, stripping may be deeper due to saturated soils on the surface. Upon completion of these stripping operations, the exposed subgrade in areas to receive fill should be proofrolled with a loaded dump Report ofSubsurfgce Exploration and Engineering Services Summit Corporate Center —Lot 7 Salisbuty, North Carolina ECS Project No. 08-4794 Mr. Derek Salfia The Keith Corporation August 31, 1007 Page 11 truck or similar pneumatic -tired vehicle having a loaded weight of approximately 25 tons. After excavation, the exposed subgrades in cut areas should be similarly proofrolled. Proofrolling operations should be performed under the observation of a geoteclmical engineer or his authorized representative. The proofrolling should consist of two (2) complete passes of the exposed areas, with each pass being in a direction perpendicular to the preceding one. Any areas which deflect, rut or pump during the proofrolling, and fail to be remedied with successive passes, should be undercut to suitable soils and backfilled with controlled fill. . Based on our site reconnaissance and subsurface findings, the do not anticipate that major undercutting will be required for the project. However, depending on final design grades, undercutting should be anticipated in the vicinity of borings B-1, B-3, B-4 and B-9 to address the removal and replacement of existing fill, alluvial soils and high plasticity clays. Additionally, because of the clayey near -surface soils, proofrolling may reveal unstable areas due to high moisture content. If earthwork is performed during winter or after appreciable rainfall then subgrades may be unstable due to wet soil conditions, which could increase the amount of undercutting required. We anticipate that most site soils can be adequately compacted without need for special drying measures. Drying of wet soils, if encountered, may be accomplished by spreading and discing or by other mechanical or chemical means. The ability to dry wet soils, and therefore the ability to use them for fill, will be reduced if earthwork is performed during late winter or spring. We recommend a shrinkage factor of 15 to 20 percent for calculating earthwork balances using site soils as fill. When dry, the majority of the site soil should provide adequate subgrade support for fill placement and construction operations. When wet, the soil may degrade quickly with disturbance from construction traffic. Good site drainage should be maintained during earthwork operations to prevent ponding water on exposed subgrades. The residual soils at the site may be elastic in nature due to the presence of mica minerals. These micaceous soils may rebound elastically (fluff) within the upper 12 to 24 inches after the removal of several feet of confining overburden soils. In cuts where this condition may exist, the elastic rebound problem may be handled by compacting the exposed surface in cut with proper compaction equipment, analogous to man-made fill. Another method which may prevent the elastic rebound problem is to place a 2 to 4-inch thick "mud -mat" of "lean" concrete immediately after the excavation has been completed. Excavation: Based on the results of our subsurface exploration, it appears that the onsite soils, within the depths of the borings, can be excavated with conventional construction equipment. Although there can be changes in the subsurface conditions over relatively short distances, problems associated with excavating very dense soils are not anticipated for this project. We have generally found that material that our soil drilling augers can penetrate can also be excavated with a large backhoe or ripped with a dozer mounted ripper. Weathered rock or rock that cannot be penetrated by the mechanical auger will normally require blasting to loosen it for removal. Report ofSubsurfaee Exploration and Engineering Services Summit Corporate Center —Lot 7 Salisbury, North Carolina ECS Project No. 08-4794 Mr. Derek Sa ylla The Keith Corporation August 31,1007 Page 11 Surface Water Control: The site should be graded as to confirm that adequate surface water drainage is accomplished. Free drainage of all surface water contributes to the quality and integrity of structures, parking areas, retaining structures, and slopes. In areas which "pond" water, swales, french drains, or drainage tiles should be used to help direct water away from structural areas. FII Material and Placement: The project fill should be soil that has less than five percent fibrous organic content and a liquid limit and plasticity index less than 50 and 20, respectively. Soils with Unified Soil Classification System group symbols of SP, SW, SM, SC, and ML are suitable for use as project fill. Soils with USCS group symbol of CL that meet the restrictions for liquid limit and plasticity index are also suitable for use as project fill. During site grading, some moisture modification (drying and/or wetting) of the onsite soils will likely be required. The fill should exhibit a maximum dry density of at least 90 pounds per cubic foot, as determined by a standard Proctor compaction test (ASTM D 698). We recommend that moisture control limits of -3 to +2 percent of the optimum moisture content be used for placement of project fill with the added requirement that fill soils placed wet of optimum remain stable under heavy pneumatic -tired construction traffic. During site grading, some moisture modification (drying and/or wetting) of the onsite soils will likely be required. Based on the results of our visual classification, the onsite silty sands and sandy silts appear suitable for use as project fill. Project fill should be compacted to at least 95 percent of its standard Proctor maximum dry density except within 24 inches of finished soil subgrade elevation beneath slab -on -grade and pavements. Within the top 24 inches of finished soil subgrade elevation beneath slab -on -grade and pavements, the approved project fill should be compacted to at least 100 percent of the standard Proctor maximum dry density. Aggregate base course (ABC) stone should be compacted to 100 percent of standard Proctor maximum dry density. However, for isolated excavations around footing locations or within utility excavations, a hand tamper will likely be required. We recommend that field density tests be performed on the fill as it is being placed, at a frequency determined by an experienced geoteclmical engineer, to verify that proper compaction is achieved. The maximum loose lift thickness depends upon the type of compaction equipment used. Below are maximum loose lifts that may be placed based on compaction equipment utilized. °Rd �Sh�� iS + 4..'Ritti a IS "�E4ilF't' t J ru n4R tY lF �, r3 t r �h Yl fpi! LMaX1m LLIQi�005C Yiltt�t�F� F utv�z,,,q, ,. 5, N +�Thicicness �a�irti'�v��k�i Large, Self -Propelled Equipment (CAT 815, etc.) 8 Small, Self -Propelled or Remote Controlled (Rammax, etc.) 6 Hand Operated (Plate Tamps, Jumping Jacks, Wacker -Packers) 4 We recommend that all fill operations be observed and tested by an engineering technician to determine if compaction requirements are being met. The testing agency should perform a sufficient number of tests to confirm that compaction is being achieved. For mass grading operations we recommend a minimum of one density per 300 cubic yards of fill placed or per 1 foot of fill thickness, whichever results in more tests. We recommend at least one test per 1 foot thickness of fill for every 100 linear feet of utility trench backfill. Report of Subsurface Exploration and Engineering Services Summit Corporate Center— Lot 7 Salisbury, North Carolina ECSProject No. 08-4794 Mr. Derek Salfia The Keith Corporation August 31, 2007 Page 13 Density tests in the field shall be performed using the Drive Tube Method (ASTM D2937), the Sand Cone Method (ASTM D1556), or the Nuclear Method (ASTM D2922). If the Nuclear Method is used, the moisture content determined by the nuclear density equipment shall be verified by performing one moisture content test per ASTM D2216 for every five nuclear density tests. When dry, the majority of the site soil should provide adequate subgrade support for fill placement and construction operations. When wet, the soil may degrade quickly with disturbance from construction traffic. Good site drainage should be maintained during earthwork operations to prevent ponding water on exposed subgrades. Based on the results of our visual classification, the onsite sandy silts and silty sands appear suitable for use as project fill. However, the near -surface clayey soils are only marginally suitable for use as project fill. Due to the plasticity characteristics associated with these clayey soils, difficulties will likely be encountered while attempting to dry these soils to acceptable moisture content prior to their [ placement as fill. In addition, these clayey soils are susceptible to inclement weather and with the introduction of repeated construction traffic can be remolded, resulting in a loss of strength. In addition to the plasticity characteristics, most of the on -site soils contain appreciable amounts of mica, which can cause problems with compaction and stability. White compacting adjacent to below -grade walls, heavy construction equipment should maintain a horizontal distance of l(H):1(V). If this minimum distance cannot be maintained, the compaction equipment should run perpendicular, not parallel to, the long axis of the wall. Where fill will be placed on existing slopes, we recommend that benches be cut in the existing slope to accept the new fill. All fill slopes should be overbuilt and then cut back to expose compacted material on the slope face. Foundation Construction & Testing: Foundation excavations should be tested to confirm adequate bearing prior to installation of reinforcing steel or placement of concrete. We recommend testing all shallow foundations to confirm the presence of foundation materials similar to those assumed in the design. We recommend the testing consist of hand auger borings with Dynamic Cone Penetrometer testing performed by an engineer or engineering technician. If soft or unsuitable materials are encountered, they should be undercut and replaced with properly compacted fill or lean concrete. If soil or aggregate is used as backfrll, the undercut excavation should be oversized 1-foot horizontally beyond each edge of the footing for every 2 feet of undercut performed below the design bottom of footing level. Oversizing is not required if lean concrete is used as backfrll for the undercut excavation to design bottom of footing level. Exposure to the environment may weaken the soils at the footing bearing level if the foundation excavations remain open for too long a time; therefore, foundation concrete should be placed the same day that foundations are excavated. If the bearing soils are softened by surface water intrusion or exposure, the softened soils must be removed from the foundation excavation bottom immediately prior to placement of concrete. If the excavation trust remain open overnight, or if rainfall becomes imminent while the bearing soils are exposed, a 1- to 3-inch thick "mud mat" of "lean" concrete may be placed on the bearing surface to protect the bearing soils. The mud mat should not be placed until the bearing soils have been tested for adequate bearing capacity. APPENDIX Figure 1 - Site Location Map Figure 2 - Boring Location and Seismic Array Diagram Figure 3 — Soil Boring Profile Figure 4 — Shear Wave Velocity Profile Reference Notes for Cross Sections Unified Soil Classification System Reference Notes for Boring Logs Test Boring Records Laboratory Test Data ASFE Reference Document I�f�]�:L•7i Source: www.mapquestcom SCALE (IN FEET) 400 800 . 800 0 FIGURE 1 enmineen bu F JRA As Shown SITE LOCATION MAP Summit Corporate Center - Lot i DRAFTSMAN DWG PROJECTNO. 084794 REVISIONS FIGURE Corporate Center Drive Salisbury, North Carolina DATE nnnsa7 830 820 810 J 800 C) 790 > W w 780 770 760 750 (SECTION) LEGEND TOPSOIL DEPTH ® ASPHALT DEPTH O ABC STONE MSL = MEAN SEA LEVEL GP (POORLY GRADED'GRAVEL) GW (WELL GRADED GRAVEL) ® GM (SILTY GRAVEL) FFE = FINISHED FLOOR ELEVATION SP (POORLY GRADED SAND) SW (WELL GRADED SAND) ® GC (CLAYEY GRAVEL) GNE = GROUNDWATER NOT ENCOUNTERED ® ML (LOW PLASTICITY SILT) ® MH (HIGH PLASTICITY SILT) [o SM (SILTY SAND) EOB = END OF BORING ® CL (LOW PLASTICITY CLAY) ® CH (HIGH PLASTICITY CLAY) 0 SC (CLAYEY SAND) AR = AUGER REFUSAL OL (LOW PLASTICITY ORGANICS) EM ON (HIGH PLASTICITY ORGANICS) F-1 ALLV (ALLUVIAL SOIL) = CAVE-IN DEPTH FILL/POSSIBLE FILL . ® PWR(PARTIALLY WEATHERED ROCK)® ROCK WD GROUNDWATER WHILE DRILLING TY BR BEFORE AUGER REMOVAL L AR AFTER AUGER REMOVAL 24 GROUNDWATER AFTER 24 HOUR 830 820 800 1 vi 7900 �a > J 780 w Q 770 n N 0 N C 760 J > LL ffi _ m O cLU aU. t o U 750 Z w 02 U. O a co00� _ U E. 0 U) u E N 0 W ECS REVISIONS ENGINEER DRAFTN JRA DWG SCALE PROJECT NO. 08♦794 FIGURE 0 DATE . 08.16-07 � r 1 /l .I //// A-i_7- I�Vy/ I I1 I 8-3 8.10 -I' \ \_v / / °•` /��_ // --� q_ ��1 \ III ��` \\ \ \\ a,1' B9 B12 \ 5-14 / 1 6.17 1 \ \ \ \ \ / 6-16 \ \ 111 111 \ I ( I SCALE (IN FEET) \\\ 1 I 1 80 160 160 0 I_ ?y = Approximate Location of Borings = Seismic ReMI Array •�N ?j`ra s Source: FIGURE 2 ENGINEER SCALE JRA AS Shown I BORING LOCATION and DRAFTSMAN PROJECT NO. Cole Jenest & Stone ��LiSp SEISMIC ARRAY DIAGRAM Dwo 88-4784 REVISIONS FIGURE Summit Corporate Center - Lot 7 �; ,�3393.u,tLr'Jc 2 Corporate Center Drive DATE srnwonR.o Salisbury, North Carolina 08-16-07 POR RHRVIC6 Summit Corporate Center Lot 7, 8m spacing: Vs Profile 0 0 -10 -20 -30 -40 -50 -60 -70 -80 -90 -100 1000 2000 V s, 00' = 1017 ft/s Shear -Wave Velocity, ft/s 3000 FIGURE 4 ARRAY 1 SHEAR WAVE VELOCITY PROFILE GEOPHONE SPACING = 8 meter Summit Corporate Center Lot 7 wEeLL(p Salisbury, NORTH CAROLINA C�G^aG3 aOC�OG"JG^�� ECS Project 08-4794 SOIL CLASSIFICATION LEGEND FILL -FIL SM-SILTY SAND ALL PESSSIDLEIPROBABLE) O Sr- POORLY GRADED SAND g8 GW- WELL GRADED GRAVEL ,o GM -SILTY GRAVEL SC -CLAYEY SAND GP- POORLY GRADED GRAVEL ®ATL- LOW PLASTICITY SILT GC -CLAYEY GRAVEL ® MIT- HIGH PLASTICITY SILT SW -WELL GRADED SAND 0CL- LOW PLASTICITY CLAY BORING DESIGNATION EXISTING GRADE B-7 —� (Projected) STANDARDTO PENETRATION —>RESISTANCE (N—Value) STABILIZED 13.1 17 GROUNDWATER SP 50 BLOWS PER —e50/4" 4 INCHES I PWR END OF BORING —>EOB AUGER REFUSAL AR CORING TERMINATED—► CT TYPICAL BORING GRAPHIC 8702 RED OAK BOULEVARD ® C13. HIGH PLASTICITY CLAY OH- HIGH PLASnCrY ORGANIC SILTS AND CLAYS OL-LOW PLASTICITY ORGANIC SILTS AND CLAYS ®PWR.PARTIALLY WEATHERED ROCK PT -PEAT ®CULTIVATED OR DISTURBED RESIDUAL SOIL Notes • Existing grade elevations are estimated from furnished topographic plans unless otherwise noted. • Thickness of topsoil, asphalt or other surface coverings are not typically shown on cross sections. • Depth of stratigraphic changes are approximate and may be gradational or complex. • Projected borings are located distant to the cross section. • Horizontal distances between borings shown on cross sections are not to scale unless otherwise noted. • Occasionally significant changes in soil density occur within a 6-inch increment These are identified on the boring logs and are indicated on cross sections with an asterisk (*). • A (-All) following the Unified Soil Classification symbol indicates an alluvial origin (water -deposited sediment). SUITE A REFERENCE NOTES CHARLOTTE, NC 28217 FOR CROSS SECTIONS 704/525-5152 FAX/525-7178 I Major Divisions o N N n w I d � > ti o i 0 0 0 0 o s � v o' m= � � v o�0 o U Uu U w n u w h o cs p y A = p U O M n o Z rn w — m o n U n � h 1 7 in a 4G, G� GC SW SP she SC NIL CL OL 1361 C0101 91 Typical Names Laboratory Classification Criteria Well graded gravels,. gravel- - C"=DsafDio greater than 4 sand mixtures, little or no fines N C. (D3o)2/(D10 x DO) between 1 and 3 U V Poorly graded gravels, gravel- U y is c, N Not meeting all gradation requirements for GW sand mixtures, little or no fines �z a m a 70 N v n o d Silty Sr Gravels, avel-sand-silt Atte berg limits "A" ^ _ $ below line or P.L Above "A" line with P.I. u mixtures E v y u m less than 4 between 4 and 7 are d E a r7 g ' U borderline cases requiring Atterberg limits Clayey Gravels, gavel -sand- E c g' eu 3 : above "A" line with use of dual symbols clay mixtures o v, 0 n P.I. greater than 7 V y y V Well -graded sands, gravelly „ ,9 .N C,=D,,/D10 greater than 6 sands, little or no fines C.7= (D3o)2/(Dio x 1%40) between 1 and 3 � o"LejL W Poorly graded sands, gravelly c `o "2 Not meeting all gradation requirements for SW sands, little or no fines A. g i o C aU vs o c ,,, d Atterberg limits Silty sands, sand -silt mixtures A m below "A" line or P.L Limits plotting inhatched less than 4 zone with P.I. between 4 u e and 7 are borderline cases requiring use of dual Atterberg limits Clayey sands, sand -clay v "A" line with symbols p above trimaires P.I. greater than 7 2organic silts and very fine sands, rock flour, silty or clayey fine 60 sands, or clayey silts with slight w to medium I 50 clays, sandy Organic silts and organic silty clays of low plasticity I ,: Inorganic silts, micaceous or ';, 30 diatomaceous fine sandy or silty := soils, elastic silts 6 2t Inorganic clays of high plasticity, fat clays Organic clays of medium to high plasticity, organic silts 10 7 4 0 0 ID. 20 30 40 So 60 70 80 90 100 Liquid limit, wy Pt I Peat and other highly organic soils I Reference: W interkom Ba Fang, 1975 (ASTM D-2487) 'Division of GM and SM groups into subdivision of d and u are for road and airfields only. Subdivision is based on Atterberg limits; suffix d useu when L.L. is 28 or less and the P.I. is 6 or less; the suffix u is used when L.L. is greater that 28. 'Borderline classifications, used for soils possessing characteristics of two groups, are designated by combinations of group symbols. For example: GW-GC, well -graded gravel -sand mixture with clay binder. t 9702 RED OAK BOULEVARD C SUAEA i7-�7 CHARLOTTE, NC 28217 Vl\IFIED SAIL STD7041525-5152 FAX/525-7179 CLASSIFICATION SYSTEM ►D REFERENCE NOTES FOR BORING LOGS I. Drilling and Sampling Symbols: SS: Split Spoon Sampler CME: Central Mining Equipment ST: Shelby Tube Sampler RB: Rock Bit Drilling RC: Rock Core; NY, BX, AX BS: Bulk Sample of Cuttings NQ: Rock Core, 2-1116" Diameter PA: Power Auger (no sample) PM: Pressuremeter HSA: Hollow Stem Auger DC: Dutch Cone Penetrometer WS: Wash Sample REC: Recovery of Core Run (%) RQD: Rock Quality of Core Run Standard Penetration (Blows/Ft) refers to the blows per foot of a 140 lb. hammer falling 30 inches on a 2 inch O.D. split spoon sample, as specified in ASTM D-1586. The blow count is commonly referred to as the N value. Autohammer refers to an automatic hammer as opposed to the manual "Cathead" and rope type. Core drilling meets ASTM D-2113. IL Correlation of Penetration Resistances to Soil Properties: Relative Density of Cohesionless Soils SPT-N Relative Density 0-4 Very Loose 5 - 10 Loose 11 - 30 Medium Dense 31 - 50 Dense 51 or more Very Dense III. Unified Soil Classification Symbols: GP: Poorly Graded Gravel GW: Well Graded Gravel GM: Silty Gravel GC: Clayey Gravel SP: Poorly Graded Sands SW: Well Graded Sands SM: Silty Sands SC: Clayey Sands IV. Water Level Measurement Symbols: WL: Water Level WS: While Sampling WD: While Drilling Consistency of Cohesive Soils SPT-N Consistency 0-1 Very Soft 2-4 Soft 5-8 Firm 9 - 15 Stiff 16 - 30 Very Stiff 31 - 50 Hard 50 or more Very Hard ML: Low Plasticity Silts MH: High Plasticity Silts CL: Low Plasticity Clays CH: High Plasticity Clays OL: Low Plasticity Organics OH: High Plasticity Organics CL - ML: Dual Classification (Typical) BCR: Before Casing Removal ACR: After Casing Removal WCI: Wet Cave In DCI: Dry Cave In The water levels are those water levels actually measured in the borehole at the times indicated by the symbol. The measurements are relatively reliable when auguring, without adding fluids, in a granular soil. In clays and plastic silts, the accurate determination of water levels may require several days for the water level to stabilize. In such cases, additional methods of measurement are generally applied. The elevations indicated on the boring logs should be considered approximate and were not determined using accepted surveying techniques. CLIENT SOB # BORING N SHEET The Keith Corporation 08-4794 B-1 1 OF 1 PROJECT NAME ARCHITECT —ENGINEER LLP Summit Corporate Center — Tract 7 CAROLINAS SITE LOCATION -0- CALIBRATED PENETROMETER TONS3 FT. 2 Salisbury, North Carolina 1 2 4 5+ PLASTIC WATER LIQUID LIMIT % CONTENT UNIT Y. X--------- Iw__--------A z DESCRIPTION OF MATERIAL ENGLISH UNITS ROCK QUALITY DESIGNATION & RECOVERY F z a F F o �- BOTTOM OF CASING — LOSS OF CIRCULATION tODx .w-� o RODY.— — — REC.% c E. 20%40%-60%e0%1OOV E c a N a h i h o � a [�� 3 w ® STANDARD PENETRATION HLOWS/F'1'. 10 20 30 40 50+ SURFACE ELEVATION 777.0 0 Topsoil Depth 3" — 1 SS 18 16 POSSIBLE FILL — Stiff, Tannish 775 11 (5-4-7) Orange, Sandy SILT, Moist, (FILL) 2 SS 18 16 12 (3-5-7) RESIDUAL — Stiff to Firm, 5 Reddish Orange, Sandy SILT, Moist, (ML) 3 SS 18 16 770 :7 (3-4-3) —_ 9 (3-4-5) 4 SS 18 18 10 END OF BORING @ 10.0, 765 15 760 2D — 755 25 750 30 — — THE STRATIFICATION LINES REPRESENT THE APPROXIMATE BOUNDARY LINES BETWEEN SOIL TYPES IN -SITU THE TRANSITION MAY BE GRADUAL !WwL GNE WS OR Y® BORING STARTED 08-21 —07 17 WL(BCR) OWL(ACR) BORING COMPLETED 08-21 —0'7 CAVE IN DEPTH 9 7.2' !0WL RIG ATV550 FOREMAN BRIAN DRILLING METHOD HOLLOW STEM AUGER A CLIENT JOB # BORING N SHEET The Keith Corporation 08-47 )4 B-2 1 OF 1 PROJECT NAME ARCHITECT -ENGINEER LLP Summit Corporate Center - Traci 7 CAROLINAS SITE LOCATION -o- CALIBRATED PENETROMETER TONS/FT. 2 Salisbury, North Carolina 1 2 3 4 5+ PLASTIC WATER LIQUID LIMIT 7 CONTENT 7. LIMIT % X---------a---------- A ROCK QUALITY DESIGNATION a¢ RECOVERY z DESCRIPTION OF MATERIAL ENGLISH UNITS a z F °' a BOTTOM OF CASING LOSS OF CIRCULATION t00% g ROD%— — — REC.% —20%-40%-60%80%1D0% F c a y a N o = m o F, F W ¢ ,� 3 m ® STANDARD PENETRATION BLOWS/FT. 10 20 30 40 50+ SURFACE ELEVATION 78S.O 0 Topsoil Depth 3" 1 SS 18 16 RESIDUAL - Stiff, Reddish 15 (4-7-8) Orange, Clayey SILT, Moist, 12 (ML) SS 18 18 18 Stiff, Reddish Orange, Sandy 5 SILT, Moist, (ML) —780 16% - — 10 (3-5-5) 3 SS 18 18 Stiff, Brownish Orange, Sandy _ SILT, Moist, (ML) _ _ 9 (3-4-5) 4 SS 18 18 10 775 END OF BORING @ 10.0' 15 770 20— —765 25 760 30— — — T14E STRATIFICATION LINES REPRESENT THE APPROXIMATE BOUNDARY LINES BETWEEN SOIL TYPES IN -SITU THE TRANSITION My BE GRADUAL oWL GNE WS OR ® BORING STARTED 08-21 —07 `9WL(BCR) TWL(ACR) BORING COMPLETED 08—L1 —07 CAVE IN DEPTH 0 7.0' �7WL RIG ATV550 FOREMAN BRIAN DRILLING METHOD HOLLOW STEM AUGER CLIENT JOB BORING N SHEET The Keith Corporation 08-4794 B-3 1 OF 1 PROJECT NAME ARCHITECT —ENGINEER LLP Summit Corporate Center — Tract 7 CAl20LINAS SITE LOCATION -0- CALIBRATED PENETROMETER TONS/FT. 2 Salisbury, North Carolina 1 2 a 4 5+ PLASTIC WATER LIQUID LIMIT CONTENT % WMIT % z DESCRIPTION OF MATERIAL ENGLISH UNITS c i ROCK QUALITY DESIGNATION & RECOVERY m z a F o r BOTTOM OF CASING M�ss ____ LOSS OF CIRCULATION ice— �- z o ROD%— — — REC.Y. 20%-40Y.-60%-80Y.-100Y. o a a a o F a N ; w ® STANDARD PENETRATION BLOWS/FT. SURFACE ELEVATION 777.0 h N 10 20 30 40 SO+ U Topsoil Depth 3" �- 21% 58% 1 SS 18 18 ALLUVIAL - Very Stiff, Greenish 775 21 (e-10-11): Gray, Silty CLAY, Moist, (CH) ®21%: RESIDUAL - Stiff, Brown, Sandy 2 SS 18 18 SILT, Moist, (ML) - 13.(3-s-B): 5 — Stiff, Orangish Brown, Sandy — 3 SS 18 18 SILT, Moist, (ML) —770 17 (6-8-9) 22 (9-10-12)' 4 SS 18 18 10 — END OF BORING @ 10.0' —765 15 760 20 —755 25 — 750 30 — — THE STRATIFICATION LINES REPRESENT THE APPROXIMATE BOUNDARY LINES BETWEEN SOIL TYPES IN -SITU THE TRANSITION MAY DE GRADUAL VWL GNE WS OR ® BORING STARTED 0$-21 —07 YWL(BCR) WL(ACR) BORING COMPLETED 08 —'L1 —07 CAVE IN DEPTH 0 B 1' "YWL RIG ATV550 FOREMAN BRIAN DRILLING METHOD HOLLOW STEM AUGER y CLIENT JOB # BORING SHEET The Keith Corporation 08-4794 B-4 1 DF 1 PROJECT NAME ARCHITECT —ENGINEER ULLP Summit Corporaie Center — Tract 7 GAROLiNAS SITE LOCATION -0- CALIBRATED PENETROMETER TON53FT. z Salisbury, North Carolina 1 2 4 5+ PLASTIC WATER LIQUID LIMIT 7. CONTENT % LIMIT 7. z DESCRIPTION OF MATERIAL ENGLISH UNITS ✓ E m i m ROCK QUALITY DESIGNATION & RECOVERY F z ° i= o �' a BOTTOM OF CASING LOSS OF CIRCULATION t00% z o ROD%— — — REC.% c F, 20%-40%-60%-80Y.-100% a c m a a m a < `< m 'o r ¢ < m (2) STANDARD PENETRATION BLOWS/FT. SURFACE ELEVATION 780.0 y w m C 10 20 3D 40 50+ 0 Topsoil Depth 3" 1 SS 18 18 ALLUVIAL — Very Stiff to Firm, 19 (7-9-1o) Greenish Gray, Silty CLAY, Moist, (CH) 2 SS 18 18 5 775 RESIDUAL — Very Stiff, Orangish 3 SS 18 18 Brown, Sandy SILT, Moist, (ML) 19 (7-9-10) 23�(6-11-12) 4 SS 18 IB 10 770 END OF BORING @ 10.0' 15 765 20— —760 25 755 30 —I— THE STRATIFICATIDN LINES REPRESENT THE APPROXIMATE BOUNDARY LINES BETWEEN SOIL TYPES IN -SITU THE TRANSITION MAY BE GRADUAL VwL GNE WS OR YD BORING STARTED 08-21 —07 YWL(BCR) T'WL(ACR) BORING COMPLETED 08-21 —07 CAVE IN DEPTH 0 5.9' 7WL RIG ATV550 FOREMAN BRIAN DRILLING METHOD HOLLOW STEM AUGER CLIENT JOB p BORING (/ StIEET The Keith Corporation 08-4794 B-5 1 GF 1 PROJECT NAME ARCHITECT -ENGINEER LLP Summit Corporate Center — Tract 7 CAROLINAS SITE LOCATION -0- CALIBRATED PENETROMETER TONS/FT. 2 Salisbury, North Carolina 1 2 3 4 5+ PLASTIC WATER LIQUID LIMIT 7. CONTENT % LIMIT % X__------- &_- i DESCRIPTION OF MATERIAL ENGLISH UNITS v ROCK QUALITY DESIGNATION &RECOVERY F z a F o BOTTOM OF CASING LOSS OF CIRCULATION20%40%-60%-80%-100% z ROD%— — — REC.Y. o a a a o C a ® STANDARD PENETRATION BLOWS/FT. SURFACE ELEVATION 787.0 m SO 20 30 40 50+ 0 Topsoil Depth 3" 1 SS 18 18 RESIDUAL - Very Stiff to Firm, 785 19 (7-8-10) Brownish Orange, Sandy SILT, Moist, (ML) Z SS 18 18 12 (3-5-7) 5 14% 3 SS 18 18 780 11 (3-5-6) 8 (3-4-4) 4 SS 18 18 1 END OF BORING @ 10.0' 775 15 770 20— —765 25 760 30 — — THE STRATIFICATION LINES REPRESENT THE APPROXIMATE BOUNDARY LINES BETWEEN SOIL TYPES IN -SITU THE TRANSITION MAY BE GRADUAL oWti G N E WS OR ® BORING STARTED 08-21 —07 ®WL(RCR) _7WL(ACR) BORING COMPLETED 08-21 —0'7 CAVE IN DEPTH ® 6,1' OWL RIG ATV550 FOREMAN BRIAN DRILLING METHOD HOLLOW STEM AUGER CLIENT - JOB n BORING N SHEET The Keith Corporation 08-4794 B-6 1 OF 1 PROJECT NAME ARCHITECT -ENGINEER LAP Summit Corporate Center — Tract 7 GAROLINAS SITE LOCATION -0- CALIBRATED PENETROMETER 2 Salisbury, North Carolina TONS/FT. 1 2 3 4 5+ PLASTIC WATER LIQUID LIMIT 7. CONTENT 7. LIMIT 7. z DESCRIPTION OF MATERIAL ENGLISH UNITS -- z m ROCK QUALITY DESIGNATION 8 RECOVERY F z F F o BOTTOM OF CASING &- LOSS OF CIRCULATION tour. z a ROD%- - - REC.Y. a F 207-407-60Y.-807-1007 m a y d o w C a (0 STANDARD PENETRATION BLOWS/Fr. 10 20 30 40 50+ SURFACE ELEVATION 791.0 0 -' - Topsoil Depth 3" — 790 1 SS 18 18 RESIDUAL - Very Stiff to Stiff, - 020 (7-B-12) - Brownish Orange, Sandy SILT, Moist, (ML) - 2 SS 18 18 19 (6-8-11). 5 _- 785 3 SS 18 18 11 (4-5-6) Stiff to Firm, Orongish Brown, 4 SS 18 18 Sandy SILT, Moist, (ML) 10 (3-5-5) 10 780 B (3-5-4) 5 SS 1B 18 15— 775 10 (3-4-5) 6 SS 18 18 20 END OF BORING @ 20.0' 770 25 1-765 30-- THE STRATIFICATION LINES REPRESENT THE APPRO91MATE BOUNDARY LINES BETWEEN SOIL TYPES IN -SITU THE TRANSITION MAY BE GRADUAL wL GNE WS OR a BORING STARTED 08-21 —07 V WL(BCR) OWL(ACR) BORING COMPLETED 08-21-07 CAVE IN DEPTH ® 16.1' OWL RIG ATV550 FOREMAN BRIAN DRILLING METHOD HOLLOW STEM AUGER CLIENT The Keith Corporation SOB # BORING # 08-47S B-7 SHEET 1 OF 1 PROJECT NAME ARCHITECT -ENGINEER LLP Summit Corporate Center - Tract 7 GAROLINAS SITE LOCATION Salisbury, North Carolina -0- CALIBRATED PENETROMETER TONS/FT, 2 1 2 3 4 5+ PLASTIC WATER LIQUID LIMIT % CONTENT 7 LIMIT % x z m ti m F m N i c = h a m 'o DESCRIPTION OF MATERIAL ENGLISH UNITS BOTTOM OF CASING LOSS OF CIRCULATION 100X z o z ; m ROCK QUALITY DESIGNATION @ RECOVERY ROD%— — — REC.% 20%-40%-60%-80%—I 00% ® STANDARD PENETRATION BLOWS/FT. SO 20 30 40 50+ SURFACE. ELEVATION 788.0 0 Topsoil Depth 3" 1 SS 18 18 RESIDUAL - Stiff, Brownish 12 (5-5-7) Gray, Sandy SILT, Moist, (ML) 785 2 . SS 18 18 9 (3-4-5) 5 Very Stiff to Stiff, Orangish - 3 SS 18 18 Brown, Sandy SILT, Moist, (ML) 1;6 (5-7-9) 780 4 SS 1S 18 _ 12 (5-7-5) 10 14% Stiff, Brown, Sandy SILT, Moist, (ML) 775 5 SS 18 18 15 (3-7-8) 15 — Y 770 6 SS 18 18 14 (3-6-8j 20 765 7 SS is 18 : 15 (5-7-9) 25 END OF BORING @ 25.0' 760 30 — — — THE STRATIFICATION LINES REPRESENT THE APPROXIMATE BOUNDARY LINES BETWEEN SOIL TYPES IN -SITU THE TRANSITION MAY BE GRADUAL 77WL 24,0' WS OR ©D BORING STARTED 08-21 —07 7WL(13CR) VIWL(ACR) 1 8,0' BORING COMPLETED 08-21 —07 CAVE IN DEPTH ® 17.8' QWL RIG ATV550 FOREMAN BRIAN DRILLING METHOD HOLLOW STEM AUGER CLIENT JOB 6 BORING N SHEET The Keith Corporation 08-4794 B-8 1 OF PROJECT NAME ARCHITECT -ENGINEER d LLP Summit Corporate Center - Tract 7,nlsas SITE LOCATION -Q' CALIBRATED PENETROMETER TONS/FT2 Salisbury, North Carolina 1 2 4 5+ PLASTIC WATER LIQUID LIMIT 7 CONTENT % LIMIT 7. X--------- &--------- A z DESCRIPTION OF MATERIAL ENGLISH UNITS E_ v ; ROCK QUALITY DESIGNATION & RECOVERY m z pw� F o N 100 BOTTOM OF CASING LOSS OF CIRCULATION Y. z o ROD%— — — REC.Y. F. 20%-40%-60%80%100%— w S m y m c0i w m a w ® STANDARD PENETRATION BLOWS/FT. 10 20 3D 40 G0+ SURFACE ELEVATION 792.0 0— Topsoil Depth 3" — 1 SS 18 18 RESIDUAL — Stiff, Brownish 790 Orange, Sandy SILT, Moist, (ML) 14 (4-6-8) . 2 SS 18 IS 5 785 13 (4-7-6): 3 SS 18 16 Stiff, Brown, Sandy SILT, 4 SS 18 18 Moist, (ML) 10 (3-5-5) . 10 END OF BORING @ 10.0' 780 15 —775 20 — 770 25 —765 30 — — THE STRATIFICATION LINES REPRESENT THE APPROXIMATE BOUNDARY LINES BETWEEN SOIL TYPES IN -SITU THE TRANSITION MAY BE GRADUAL VWL GNE WS OR ED BDRING STARTED 08-21 —07 YWL(BCR) 7WL(ACR) BORING COMPLETED 08-21 —07 CAVE IN DEPTH 0 6.8' ZWL RIG ATV550 FOREMAN BRIAN DRILLING METHOD HOLLOW STEM AUGER CLIENT JOB # BORING $ SHEET The Keith Corporation 08-4794 B-9 1 of 1 PROJECT NAME ARCHITECT —ENGINEER LLP Summit Corporate Center — Tract 7 GAROLINAS SITE LOCATION -0- CAUBRATED PENETROMETER 2 Salisbury, North Carolina TONS/FT. 1 2 3 4 6+ PLASTIC WATER LIQUID LIMITS CONTENT % LIMIT S z DESCRIPTION OF MATERIAL ENGLISH UNITS m ? m Rocx QUALITY DESIGNATION & RECOVERY o r z BOTTOM OF CASING ®-- LOSS OF CIRCULATION 10oY. ca z .a o ROD%— — — REC.Y. 20%-40/-60%80%-100% m a a < a a m a m o w a F M (2) STANDARD PENETRATION BLOWS/FT. SURFACE ELEVATION 801.0 �' �' 10 20 30 40 50+ 0 Topsoil Depth 3" 800 i SS 18 18 FILL — Medium Dense, Gray, Silty SAND, Moist, (FILL) _— ® 23% ALLUVIAL — Stiff, Gray, Silty 2 SS 18 18 CLAY, Moist, (CH) 13;(5-6-7): 5— X_ — =--- 0 795 1 022% 507. RESIDUAL — Stiff, Grayish 3 SS 18 18 Brown, Clayey SILT, Moist, (ML) —_ 18 (6-e-10) iE— — — —-i�s _ — 20% 46%: Very Stiff to Firm, Tannish 4 SS 18 18 Brown, Sandy SILT, Moist, (ML) 13 (5-6-7): 10- - 790 20 (779-11) 5 SS IS 18 15 785 33% 13.(5-6-7): 6 SS 18 18 20- -- -780 9 (3-4-5) 7 SS 18 16 25- - END OF BORING @ 25.0' 775 THE STRATIFICATION LINES REPRESENT THE APPROXIMATE BOUNDARY LINES BETWEEN SOIL TYPES IN -SITU THE TRANSITION MAY BE GRADUAL VWL GNE WS OR Q BORING STARTED 08-21-07 ®WL(BCR) VWL(ACR) BORING COMPLETED 08-2 t —D'7 CAVE IN DEPTH 0 17 0' AWL RIG ATV550 FOREMAN BRIAN DRILLING METHOD HOLLOW STEM AUGER CLIENT The Keith Corporation JOB H 08-4794 BORING $ B-10 SHEET 1 GF 1 PROJECT NAME ARCHITECT -ENGINEER LLP Summit Corporate Center - Tract 7 CAROLINAS SITE LOCATION Salisbury, North Carolina -0- CALIBRATED PENETROMETER TONS/rr. 1 2 3 4 5+ PLASTIC WATER LIQUID LIMIT % CONTENT % LIMIT 7. X--------- 0----------- o m � o z a � � F a y o a h r a, o C DESCRIPTION OF MATERIAL ENGLISH UNITS BOTTOM OF CASING LOSS OF CIRCULATION IGDY. � � m z a o � a Fa 3 790 ROCK QUALITY DESIGNATION k RECOVERY ROD%— — — REC.Y. 20%-405:-60%60%-100% ® STANDARD PENETRATION BLOWS/FT. 20 10 30 40 50+ SURFACE ELEVATION 791.0 Topsoil Depth 3" 0— - — 1 SS 18 1B RESIDUAL - Stiff to Very Stiff, = — 11 (6-5-B) - Tannish Orange, Sandy SILT, - — Moist, (ML) 2 SS 18 1B _ 12 i4-5-8 5 — —785 3 SS 18 IB 16 (4-6-1D) 17 (6-7-10) 4 SS 18 18 10 780 — — Firm to Stiff, Orangish Brown, — Sandy SILT, Moist, (ML) 5 SS 18 18 (4-3-3) 15 775 12 (3-5-7) 6 $$ 18 18 20 END OF BORING @ 20.0' 770 25 - -765 30 — — THE STRATIFICATION LINES REPRESENT THE APPROXIMATE BOUNDARY LINES BETWEEN SOIL TYPES IN -SITU THE TRANSITION MAY BE GRADUAL awl. GNE WS OR ® BORING STARTED 08-21 —07 7 WL(BCR) VVL(ACR) BORING COMPLETED 08-21 —07 CAVE IN DEPTH W 16.8' yWL RIG ATV550 FOREMAN BRIAN DRILLING METHOD HOLLOW STEM AUGER I CLIENT JOB # DORING N SHEET The Keith Corporation 08-4794 B-11 1 DF 1 PROJECT NAME ARCHITECT -ENGINEER LLP Summit Corporate Center — Tract 7 CAFZOLINAS SITE LOCATION -0- CALIBRATED PENETROMETER TON531T. Salisbury, North Carolina 1 2 4 5+ PLASTIC WATER LIQUID LIMIT 7. CONTENT 7. LIMIT S 2_ DESCRIPTION OF MATERIAL ENGLIS}I UNITS a m ROCK QUALITY DESIGNATION & RECOVERY s z > BOTTOM OF CASING LOSS OF CIRCULATION lour. - a z o ROD%— — -- REC.% a o z F 20%-4D%-60%-80%10OY. a a < a < > a (2) STANDARD PENETRATION BLOWS/FT- SURFACE ELEVATION 794.0 0 '� °' x 10 20 30 40 50+ Topsoil Depth 3" 1 SS 1B 18 RESIDUAL — Very Stiff, Brown 17 (4-7710) and White, Sandy SILT, Moist, (MI-) _ 2 SS 18 18 790 18 (5-6-10) 5- — 19 (8-9-10) 33 SS IS 18 9% Medium Dense to Dense, Pinkish 4 SS 18 18 — Brown, Silty SAND, Moist, (SM) 785 22 (n-9-13): 10 780 22 (4-9-13): 5 SS 18 18 15 775 (18-19-23) 42. 6 SS 18 16 20 END OF BORING @ 20.0' 770 25 765 30 — — THE STRATIFICATION LINES REPRESENT THE APPROXIMATE BOUNDARY LINES BETWEEN SOIL TYPES IN -SITU THE TRANSITION MAY BE GRADUAL 7WL GNE WS OR (a BORING STARTED 08-21 —07 �WL(BCR) TWL(ACR) BORING COMPLETED 08-21 —07 CAVE IN DEPTH !ZwL RIG ATV550 FOREMAN BRIAN DRILLING METHOD HOLLOW STEM AUGER CLIENT JOB N BORING N SHEET The Keith Corporation 08-4794 B-12 1 OF 1 PROJECT NAME ARCHITECT —ENGINEER LLP Summit Corporate Center — Tract 7 CAROLINAS SITE LOCATION -0- CALIBRATED PENETROMETER TONS/FT. 2 Salisbury, North Carolina 1 2 D 4 B+ PLASTIC WATER LIQUID LIMIT 7. CONTENT 7. LIMIT 7. 2 DESCRIPTION OF MATERIAL ENGLISH UNITS I r w w ROCK QUAMTY DESIGNATION k RECOVERY F z a F o _ a BOTTOM OF CASING LOSS OF CIRCULATION 100% � z ."i o RODY.— — — REC.% z E. 20Y.-40Y.-60%—BO%100% N N �`+ Ii f �9--+ s ® STANDARD PENETRATION BLOWS/F'r. 10 20 30 40 se+ SURFACE ELEVATION 789.0 0 Topsoil Depth 3" 1 SS 1B 18 RESIDUAL - Medium Dense, Gray, _ _ 19 (T-B-10) - Silty SAND, Moist, (SM) - — 785 Medium Dense to Loose, Orangish 2 SS 18 1g Brown, Silty SAND, Moist, (SM) 11 (3-s-5) 5— 6 (5-3-3) 3 SS 18 18 780 :7 (2-3_4) 4 SS 16 18 10 END OF BORING @ 10.0' — 775 15 — 770 20 765 25 —760 THE STRATIFICATIDN LINES REPRESENT THE APPROXIMATE BOUNDARY LINES BETWEEN SOIL TYPES IN -SITU THE TRANSITION MAY BE GRADUAL 7WL GNE WS OR 15 BORING STARTED 08-21 —07 ®WL(BCR) VIWL(ACR) BORING COMPLETED 08-21 —07 CAVE IN DEPTH ® 7.0' `7WL RIG ATV550 FOREMAN BRIAN DRILLING METHOD HOLLOW STEM AUGER CLIENT JOB # BORING N SHEET The Keith Corporation 08-4794 B-13 1 DF 1 PROJECT NAME ARCHITECT -ENGINEER LLP Summit Corporate Center — Tract 7 CA�20LINAS SITE LOCATION -0- CALIBRATED PENETROMETER Salisbury, North Carolina 1 2 TON53FT. 4 5+ PLASTIC WATER LIQUID ].[MIT % CONTENT 7. UMIT 7. 2 DESCRIPTION OF MATERIAL ENGLISH UNITS w m OK NOQUALITY DESIGNATION &RECOVERY z z a F r BOTTOM OF CASING LOSS OF CIRCULATION z o RQD%— — — REC./ � 20%-40%-60%--80%700% w N w y w w z ¢ a. w ® STANDARD PENETRATION BLOWS/FT. 10 20 30 90 50+ SURFACE ELEVATION 802.0 0 — - Topsoil Depth 3" 1 SS 16 0 Note: No Recovery During - 800 16 (5-7-§) Sampling — RESIDUAL - Medium Dense, 2 SS 18 18 Tannish Brown, Silty SAND, 19 (<-e-Ii) 5 Moist, (SM) 3 SS 18 18 795 ® : 20 (T-9-11) 13% 24 (9-n-n) 4 SS 18 16 10 790 Very Stiff to Hard, Brown, Silty SAND, Moist, (SM) S S$ 1B 18 17 (10-8-9) 15 — 7B5 (17-19-21) 40 6 SS 18 �11 20— END OF BORING @ 20.0' 780 25 — 775 30 — — — THE STRATIFICATION LINES REPRESENT THE APPROXIMATE BOUNDARY LINES BETWEEN SOIL TYPES IN -SITU THE TRANSITION MAY BE GRADUAL oWL GNE WS OR ® BORING STARTED 08-21 —07 TWL(BCR) TWL(ACR) BORING COMPLETED 08-21 —07 CAVE IN DEPTH OWL RIG ATV550 FOREMAN BRIAN DRILLING METHOD HOLLOW STEM AUGER CLIENT JOB $ BORING B SHEET The Keith Corporation 08-4794 B-14 1 OF 1 I I� PROJECT NAME. ARCHITECT -ENGINEER V LLP Summit Corporate Center — Tract 7 CAROLINAS SItE LOCATION -o- CALIBRATED PENETROMETER TONS/FT. Z Salisbury, North Carolina 1 2 3 4 5+ PLASTIC WATER LIQUID LIMIT 7. CONTENT 7 LIMIT 7. K-.—------- &--------- � DESCRIPTION OF MATERIAL ENGLISH UNITS ROCK QUALITY DESIGNATION & RECOVERY F SING LOSS OF CIRCULATION IOOY BOTTOM OCA z a g ROD%— — — REC.Y. � F.. 20%-40Y.-60%80%100Y. y h u a a w ® STANDARD PENETRATION BIAWS/FT. 10 20 30 40 50+ SURFACE ELEVATION 798.0 0 Topsoil Depth 3" I SS 18 18 RESIDUAL - Loose to Medium — 7 (3-4-3) - Dense, Gray, Silty SAND, Moist, (SM) 795 57 2 SS 18 18 11 (3-5-6) 5— .7 (2-4-3) . 3 SS 18 18 —790 Medium Dense to Loose, Orongish 4 SS 18 18 Brown, Silty SAND, Moist, (SM) 12 (3-5-7) 10 785 5 SS 18 18 6 (3-3-3) 15 780 6 SS 18 18 — 6 (4-33) 20 - END OF BORING @ 20.0' —775 25 770 THE STRATIFICATION LINES REPRESENT THE APPROXIMATE BOUNDARY LINES BETWEEN SOIL TYPES IN -SITU THE TRANSITION MAY BE GRADUAL !�WL GNE WS OR ©D BORING STARTED 08-21 —07 'IV WL(BCR) V1WL(ACR) BORING COMPLETED 08-21 —07 CAVE IN DEPTH 0 17,0' Do'L RIG ATV550 FOREMAN BRIAN DRILLING METHOD HOLLOW STEM AUGER r CLIENT JOB N BORING N SHEET The Keith Corporation 08-4794 B-15 1 OF 1 PROJECT NAME ARCHITECT —ENGINEER LLP Summit Corporate Center — Tract-7-- SITE LOCATION CALIBRATED PENETROMETER TONS/FT. 2 Salisbury, North Carolina 1 2 3 4 5+ PLASTIC WATER LIQUID LIMIT % CONTENT 7. LIMIT R X_—------- 0---_-------� z DESCRIPTION OF MATERIAL ENGLISH UNITS v� ..-. 2 ROCK QUALITY DESIGNATION k RECOVERY F d z n. o r BOTTOM OF CASING — LOSS OF CIRCULATION IODY. z 0 ROD%— — — REC.Y. 20%-40%-60%80%-100% m m > a o a y y a m o SURFACE ELEVATION 808.0 a 3 ® STANDARD PENETRATION BLOWS/FT. 10 20 30 40 50+ 0 Topsoil Depth 3" I SS 18 18 RESIDUAL — Firm, Brownish 7 (2-3-4) Orange, Sandy SILT, Moist, (ML) 805 Very Stiff, Brownish Red, Sandy 2 SS 18 18 SILT, Moist, (ML) 5 Stiff to Firm, Orangish Red, — - 3 SS 18 18 - Sandy SILT, Moist, (ML) = 12 i+-®l 800 . 25% 4 SS 18 18 _ 16 (4-7-e) 10— 795 5 SS 18 18 I1 (?® 6) 15 22% —790 6 SS 18 18 _— 9 (2-4-5) 20 — 785 7 SS 16 18 8 (3-5-3) . 25— END OF BORING @ 25.0' 780 30 — — THE STRATIFICATION LINES REPRESENT THE APPROXIMATE BOUNDARY LINES BETWEEN SOIL TYPES IN -SITU THE TRANSITION MAY BE GRADUAL YWL GNE WS OR ©D BORING STARTED 08-21 —07 T_WL(BCR) VWL(ACR) BORING COMPLETED 08-21 —07 CAVE 1N DEPTH ® 19.8' O W'L RIG ATV550 FOREMAN BRIAN DRILLING METHOD HOLLOW STEM AUGER CLIENT JOB H BORING q SHEET The Keith Corporation 08-4794 B-16 1 DF 1 PROJECT NAME ARCHITECT -ENGINEER LLP Summit Corporate Center — Tract 7 CgiiOLINA0.1 SITE LOCATION -O- CALIBRATED PENETROMETER TONS/FT. 2 Salisbury, North Carolina 1 2 3 4 5+ PLASTIC WATER LIQUID LIMIT % CONTENT % LIMIT % X---------a------------ ROCK QUALITY DESIGNATION & RECOVERY DESCRIPTION OF MATERIAL ENGLISH UNITS F z a F F: o �- BOTTOM OF CASING LOSS OF CIRCULATION 100% z .� o ROD%— — — REC,% 20Y.-40%-60%BO%-100%— a m rm a m E;, z a STANDARD PENETRATION SURFACE ELEVATION 814.0 BLOWS/FT. m y 10 20 30 40 50+ O Topsoil Depth 4" - 1 SS 18 18 RESIDUAL - Stiff, Brownish _ Orange, Sandy SILT, Moist, (ML) — 810 4-11-IB) 35 2 SS 16 18 Hard to Stiff, Brownish Red, Sandy SILT, Moist, (ML) 27%0: 5 - 1;6 (4-8--;e) . 3 SS 18 18 35% 805 14: (4-6-8) 4 SS 18 18 10 Firm, Brownish Pink, Sandy SILT, Moist, (ML) _-800 8 (7-4-4) 5 SS 18 18 15- —795 6 SS 18 18 20 790 8 (2-4-4) 7 SS 18 18 25 END OF BORING @ 25.0' 785 THE STRATIFICATION LINES REPRESENT THE APPROXIMATE BOUNDARY LINES BETVEE14 SOIL TYPES IN -SITU THE TRANSITION MAY BE GRADUAL YwL GNE WS OR (D BORING STARTED 08-21 —07 TWL(BCR) VWL(ACR) DORING COMPLETED 08-21 —O7 CAVE IN DEPTH & 20.1' AWL RIG ATV550 FOREMAN BRIAN DRILLING METHOD HOLLOW STEM AUGER CLIENT The Keith Corporation JOB # 08-4794 BORING a B-17 SHEET 1 OF 1 in 7 PROJECT NAME ARCHITECT -ENGINEER mmm US LLp Summit Corporate Center - Tract 7 CAROLINAS SITE LOCATION Salisbury, North Carolina CALIBRATED PENETROMETER 1 2 TONS3FT. 2 4 5+ PLASTIC WATER LIQUID LIMIT Z CONTENT % LIMIT Z F z AQ/1 c� F N 2 �• o N z a o C DESCRIPTION OF MATERIAL ENGLISH UNITS BOTTOM OF CASING — LOSS OF CIRCULATION 700Z chi z o ��-' I'a a ti ROCK QUALITY DESIGNATION &RECOVERY ROD%— — — REC.Y. ® STANDARD PENETRATION BLOWS/FT. 10 20 30 40 50+ SURFACE ELEVATION 81 1.0 O Topsoil Depth 4" 810 FILL - Medium Dense, Orangish _ 1 SS 18 16 19 (7=8-10) - Brown, Silty SAND With Rock — Fragments, Moist, (FILL) 2 SS 18 IB 19 (7-9-1D) 5 _ RESIDUAL - Stiff, Brownish Tan,1-805 = 3 SS 18 iB Sandy SILT, Moist, (ML) 9 (3'5-A) X_ � ® 33% 43% 26% 4 SS 18 18 10 (3-3-7) 10 _ — 800 — Loose, White, Silty SAND, Moist, (SM) 5 SS 16 16 15 795 — Medium Dense, Grayish Brown, Silty SAND, Moist, (SM) 6 SS 18 1B 16 (6-7-�9) 20 — END OF BORING @ 20.0' 790 25 785 30 — — THE STRATIFICATION LINES REPRESENT THE APPRD%IMATE BOUNDARY LINES BETWEEN SDIL TYPES IN -SITU THE TRANSITION MAY BE GRADUAL `AWL GNE WS OR ED BORING STARTED 08-21 —07 VWL(BCR) VWL(ACR) BORING COMPLETED 08-21 —O7 CAVE IN DEPTH ® 15.9' SWL RIG ATV550 FOREMAN BRIAN DRILLING METHOD HOLLOW STEM AUGER CLIENT JOB N BORING N SHEET The Keith Corporation 08-4794 B-18 1 OF 1 PROJECT NAME ARCHITECT -ENGINEER LLP Summit Corporate Center — Traci 7 CAROLINAS SITE LOCATION -�- CALIBRATED PENETROMETER TONS/FT. 2 Salisbury, North Carolina 1 2 3 4 5+ i PLASTIC WATER LIQUID LIMIT % CONTENT 7. LIMIT X X--------- &'----------� z �- z DESCRIPTION OF MATERIAL ENGLISH UNITS _ ROCK QUALITY DESIGNATION k RECOVERY a F BOTTOM OF CASING LOSS OF CIRCULATION 100X � z o ROD%— — — REC.Y. m F, 20%-40%-60%80Y.-100% y y a (D STANDARD PENETRATION BLOWS/FT. 10 20 30 40 5D+ SURFACE ELEVATION 803.0 0 Topsoil Depth 3" 1 SS 18 18 FILL — Medium Dense, Tannish �17 (6-8-9) Orange, Silty SAND With Rock Fragments, Moist,(FILL) 800 2 SS 18 18 _ 29 (7-11-18) 5 _ RESIDUAL — Stiff to Very Stiff, — 3 SS IB 18 = Brownish Orange, Sandy SILT, = 13'(a Moist, (ML) —795 2® 4 SS 16 18 _ 11 (5-5-5) 10 790 5 SS 18 18 12 (12-6-6) 15 785 6 SS 18 18 _ 16 (6-8-10) 20 — END OF BORING @ 20.0' 780 25— 775 30 — — THE STRATIFICATION LINES REPRESENT THE APPRDXIMATE BOUNDARY LINES BETWEEN SOIL TYPES IN -SITU THE TRANSITION MAY BE GRADUAL QWL GNE WS OR ® BORING STARTED 08-21 —07 T1WL(ACR) BORING COMPLETED 08-21 —07 CAVE IN DEPTH ® 16.1 ' �YWL(BCR) 3WL RIG ATV550 FOREMAN BRIAN DRILLING METHOD HOLLOW STEM AUGER I' 0 0 Laboratory Test Summary Poject Name: Summit Corporate Center -Lot 7 Project No.: 4794 Project Location: Boring Location Depth (ft) Natural Moisture Content (%) Liquid Limit (%) Plastic Limit (%) Plasticity Index (%) USCS B-2 3.5-5.0 16.1 - - B-3 1.0-2.5 21.4 58 21 37 CH B-5 3.5-5.0 13.5 - - - B-7 8.5-10.0 13.8 - - - B-9 3.5-5.0 22.9 50 18 32 CH B-9 6.0-7.5 21.6 46 20 16 ML B-9 13.5-15.0 32.7 - - B-11 6.0-7.5 9.4 B-13 6.0-7.5 13.1 B-14 1.0-2.5 5.0 B-15 6.0-7.5 25.2 B-15 13.5-15.0 22.2 B-16 3.5-5.0 26.5 B-16 8.5-10.0 34.9 B-17 6.0-7.5 25.6 43 33 10 ML B-18 6.0-7.5 23.6 - - ..................... ............................. ::::::■::::E N:� MI!MMMEMM NEM . MOM■EMMMEMEM1 .■■■■■■■■■■..■■ M■■■ME■■N■M■M� .■■■■EEMME■NN■N ■ ■■ME■■■■EOM ..■■■■■■■■■.■■■■ ■■MEMO. MME■■■\MEMEN MM■E■MM■M ..E■■■.E.......,....■�........ . ............................ NONE M■■■■I WM_r\ ■MMMME�■■■■ . MEMO MN■■■��■N■■i.�N■N■NN ■■■C .■. ....!'>.......L......... ■E■■■■■E .................... ...........�............MEN .■ ........................■■■.■ .....� ..................MEMO .■ .......................■■■.■ ............................. .._. .. ._ Percent Passing No. 200 Sieve .: .. .- Dry r Geotechnical Services Are Performed for Specific Purposes, Persons, and Projects Geotechnical engineers structure their services to meet the spe- cific needs of their clients. A geotechnical engineering study con- ducted for a civil engineer may not fulfill the needs of a construc- tion contractor or even another civil engineer. Because each geot- echnical engineering study is unique, each geotechnical engi- neering report is unique, prepared solely for the client. No one except you should rely on your geotechnical engineering report without first conferring with the geotechnical engineer who pre- pared it. And no one —not even you —should apply the report for any purpose or project except the one originally contemplated. A Geotechnical Engineering Report is Based on A Unique Set of Project -Specific Factors Geotechnical engineers consider a number of unique, project -spe- cific factors when establishing the scope of a study. Typical factors include: the client's goals, objectives, and risk management pref- erences; the general nature of the structure involved, Its size, and configuration; the location of the structure on the site; and other planned or existing site improvements, such as access roads, parking lots, and underground utilities. Unless the geotechnical engineer who conducted the study specifically indicates other- wise, do not rely on a geotechnical engineering report that was: • not prepared for you, • not prepared for your project, • not prepared for the specific site explored, or e completed before important project changes were made. Typical changes that can erode the reliability of an existing geotechnical engineering report Include those that affect: e the function of the proposed structure, as when it's changed from a parking garage to an office building, or from a light Industrial plant to a refrigerated warehouse, e elevation, configuration, location, orientation, or weight of the proposed structure, • composition of the design team, or • project ownership. As a general rule, always inform your geotechnical engineer of project changes --even minor ones —and request an assessment of their impact. Geotechnical engineers cannot accept responsibility or liability for problems that occur because their reports do not consider developments of which they were not Informed. Subsurface Conditions Can Change A geotechnical engineering report is based on conditions that existed at the time the study was performed. Do not rely on a geotechnical engineering report whose adequacy may have been affected by: the passage of time; by man-made events, such as construction on or adjacent to the site; or by natural events, such as floods, earthquakes, or groundwater fluctua- tions. Always contact the geotechnical engineer before apply- ing the report to determine if it Is still reliable. A minor amount of additional testing or analysis could prevent major problems. Most Geotechnical Findings Are Professional Opinions Site exploration identifies subsurface conditions only at those points where subsurface tests are conducted or samples are taken. Geotechnical engineers review field and laboratory data and then apply their professional judgment to render an opinion about subsurface conditions throughout the site. Actual sub- surface conditions may differ —sometimes significantly —from those indicated in your report. Retaining the geotechnical engF neer who developed your report to provide construction obser. vation is the most effective method of managing the risks asso- ciated with unanticipated conditions. A Report's Recommendations Are Not Final Do not overrely on the construction recommendations included in your report. Those recommendations are not final, because geotechnical engineers develop them principally from judgment and opinion. Geotechnical engineers can finalize their reconr mendations only by observing actual subsurface conditions revealed during construction. The geotechnical engineer who developed your report cannot assume responsibility or liability for the report's recommendations if that engineer does not perform construction observation. A Geotechnical Engineering Report Is Subject To Misinterpretation Other design team members' misinterpretation of geotechnical engineering reports has resulted in costly problems. Lower that risk by having your geotechnical engineer confer with approp�ate members of the design team after submitting the report. Also retain your geotechnical engineer to review pert~ nent elements of the design team's plans and specifications. Contractors can also misinterpret a geotechnical engineering report Reduce that risk by having your geotechnical engineer participate in prebid and preconstruction conferences, and by providing construction observation. Do Not Redraw the Engineer's Logs Geotechnical engineers prepare final boring and testing logs based upon their interpretation of field logs and laboratory data. To prevent errors or omissions, the logs included in a geotechnical engineering report should never be redrawn for inclusion in architectural or other design drawings. Only photo- graphic or electronic reproduction is acceptable, but recognize that separating logs from the report can elevate risk. Give Contractors a Complete Report and Guidance Some owners and design professionals mistakenly believe they can make contractors liable for unanticipated subsurface condi- tions by limiting what they provide for bid preparation. To help prevent costly problems, give contractors the complete geotech- nical engineering report, but preface it with a clearly written let- ter of transmittal. In that letter, advise contractors that the report was not prepared for purposes of bid development and that the report's accuracy is limited; encourage them to confer with the geotechnical engineer who prepared the report (a modest fee may be required) and/or to conduct additional study to obtain the specific types of information they need or prefer. A prebid conference can also be valuable. Be sure contractors have suffi- cient time to perform additional study. Only then might you be in a position to give contractors the best information available to you, while requiring them to at least share some of the financial responsibilities stemming from unanticipated conditions. Read Responsibility Provisions Closely Some clients. design professionals, and contractors do not recognize that geotechnical engineering is far less exact than other engineering disciplines. This lack of understanding has created unrealistic expectations that have led to disappoint- ments, claims, and disputes. To help reduce such risks, geot- echnical engineers commonly include a variety of explanatory provisions in their reports. Sometimes labeled 'limitations', many of these provisions indicate where geotechnical engi- neers responsibilities begin and end, to help others recognize their own responsibilities and risks. Read these provisions closely. Ask questions. Your geotechnical engineer should respond fully and frankly. Geoenvironmental Concerns Are Not Covered The equipment, techniques, and personnel used to perform a geoenvironmenta) study differ significantly from those used to Perform a geotechnical study. For that reason, a geotechnical engineering report does not usually relate any geoenvironmen- tal findings, conclusions, or recommendations: e.g., about the likelihood of encountering underground storage tanks or regu- lated contaminants. Unanticipated environmental problems have led to numerous project failures. If you have not yet obtained your own geoenvironmenta) Information, ask your geotechnical consultant for risk management guidance. Do not rely on an environmental report prepared for someone else. Rely on Your Geotechnical Engineer lop Additional Assistance Membership in ASFE exposes geotechnical engineers to a wide array of risk management techniques that can be of genuine ben- efit for everyone involved with a construction project. Confer with your ASFE-member geotechnical engineer for more Information. PROFESSIONAL FIRMS PRACTICING IN THE GEOSCIENCES 8811 Colesvllle Road Suite G106 Silver Spring, MD 20910 Telephone:301-565-2733 Facsimile:301-589-2017 emoil:lnfo@asfe.org www.asfe.org copyright 1998 by ASFE. Inc. Unless ASFE Crants written permission to do so. duplication or this document by any means whatsoever is expressly prohibited. Rease or the warding in this document. In whole or in part. also is expressly prohibited, and may be done only with the express permission or ASm or for purposes of r"iew or scholarly research. IIGER06983.5M North Carolina Elaine F. Marshall DEPARTMENT OF THE Secretary SECRETARY OF STATE PO Box 29622 Raleigh, NC 27626-0622 (919)807-2000 Date: 11 /13/2014 ick here to: ew Document Filings I File an Annual Report i JPrint a Pre -populated Annual Report Fillable PDF Form i Amend A Previous Annual Report i rporation Names Name Name Type NC TKC CXVII, LLC LEGAL Limited Liability Company Information SOS I D: 1038748 Status: Current -Active Effective Date: 4/15/2008 Citizenship: DOMESTIC State of Inc.: NC Duration: PERPETUAL Annual Report Status: CURRENT Registered Agent Agent Name: Office Address: Mailing Address: Principal Office BEULEY, KENNETH R 5935 CARNEGIE BLVD SUITE 200 CHARLOTTE NC 28209-4645 5935 CARNEGIE BLVD SUITE 200 CHARLOTTE NC 28209-4645 Office Address: 5935 CARNEGIE BLVD SUITE 200 CHARLOTTE NC 28209-4645 Mailing Address: 5935 CARNEGIE BLVD SUITE 200 CHARLOTTE NC28209-4645 Officers/Company Officials Title: MANAGER Name: KEITH REAL ESTATE ASSOCIATES, LLC Business Address: 5935 CARNEGIE BLVD, STE 200 CHARLOTTE NC 28209 Title: MANAGER Name: GRAEME KEITH JR Business Address: 5935 CARNEGIE BLVD, STE 200 CHARLOTTE NC 28209 i 4604 Title: Name: Business Address: Title: Name: Business Address: Title: Name: Business Address: to MANAGER KENNETH R BEULEY 5935 CARNEGIE BLVD, STE 200 CHARLOTTE NC 28209 MANAGER ELIZABETH JAGIELSKI 5935 CARNEGIE BLVD, STE 200 CHARLOTTE NC28209 MANAGER ALAN LEWIS 5935 CARNEGIE BLVD, STE 200 CHARLOTTE NC28209 as a part of the Secretary system. Version: SEE ADDEN D U�j FILED in ROWAN County. an Jun 20 2008 at 11:2711 by: Bobbie K Earnhardt Register of Deede BOOK 1124 PAGE q�w, 4F�og 1� a Prepared y:MOORE & VAN ALLEN PLLC (KES) 4NcQ/QC' Po(I (d 100 North Tryon Street, Suite 4700 ATV Q Charlotte, North Carolina 28202 Grantee's Address: TKC CXVII, LLC 5935 Carnegie Boulevard, Suite 200 Charlotte, North Carolina 28209 BRIEF DESCRIPTION FOR INDEX: Lots 4 and 12, Plat Book 9995 at Pages 6466 and 6467, Rowan County Registry STATE OF NORTH CAROLINA COUNTY OF ROWAN SPECIAL WARRANTY DEED NC AM 120 Excise Stamps: $0.00 THIS SPECIAL WARRANTY DEED is made as of the 2_0 day of June, 2008, by and between ROWAN COUNTY, a body corporate and politic ("Grantor"), having an address of 130 West Innes Street, Salisbury, North Carolina 28144, for the benefit of TKC CXVH, LLC, a North Carolina limited liability company ("Grantee"), having an address of 5935 Carnegie Boulevard, Suite 200, Charlotte, North Carolina 28209. The designation Grantor and Grantee as used herein shall include said parties, their heirs, successors, and assigns, and shall include singular, plural, masculine, feminine or neuter as required by context. WITNESSETH, that Grantor, for valuable consideration paid by Grantee, the receipt of which is hereby acknowledged, has and by these present does grant, bargain, sell and convey unto Grantee in fee simple, all that certain lot or parcel of land situated in Rowan County, North Carolina, and more particularly described on Exhibit A attached hereto and incorporated herein by reference (the "Property"). CHAR2\1102617Q I / The Property was acquired by Grantor by instrument recorded in Book _ at Page of the A map showing the Property is recorded in Plat Book 9995 at Pages 6466 and 6467 of the aforesaid Registry. TO HAVE AND TO HOLD the Property, together with all privileges and appurtenances thereto belonging to Grantee in fee simple. AND GRANTOR covenants with Grantee, that Grantor has done nothing to impair such title as Grantor received, and Grantor will warrant and defend the title against the lawful claims of all persons claiming by, under or through Grantor, except for the exceptions hereinafter stated. Title to the Property is subject to the exceptions set forth on Exhibit B attached hereto and incorporated herein by reference. [REMAINDER OF PAGE INTENTIONALLY LEFT BLANK] CHAR2\I 10261M 2 2 IN WITNESS WHEREOF, Grantor has executed this Deed as of the day and year first above written. GRANTOR: Duly adopted by the Board of Commissioners of the County of Rowan, North Carolina, as of the _/� day of__ &e;vl 2008. By: Name: Amold S. Chamberlain r Title: Chairperson By: �' � Name: Carolyn Title: Clerk STATE OF NORTH CAROLINA COUNTY OF 99 V✓A 1- 1, 1%An K • P"4$ -Z , a Notary Public of the aforesaid County and State, do hereby certify that Arnold S. Chamberlain appeared before me this day and acknowledged that he is the Chairperson of the Rowan County Board of Commissioners, a North Carolina body politic, and that he, as Chairperson, being authorized to do so, executed the foregoing on behalf of the Rowan County Board of Commissioners, which execution and authority is sealed and attested by Carolyn Athey, as the Clerk of Rowan County.. Witness my hand and notarial seal this %'y day of ✓4" h e , 2008: A-1�7 Notary Public My Commission Expires: 1 /- Z - 200 9, [NOTARIAL SEAL] CHAR211102617v2 3 - i� QUA(Ry SE �pN�FS snn SEC 0 9 2014 " mph, EXHIBIT A ��> ""Fnlr Legal Description _ftx� TRACT 4 BEING ALL THAT CERTAIN tract or parcel of land situated, lying and being in the Summit Corporate Center, Rowan County, North Carolina, being described as Tract 4 (containing 32.5486 acres, more or less) on that certain "Recombination Plat Prepared at the Request of TKC CXVII, LLC (TKC CXXII, LLC)" recorded in Plat Book 9995 at Pages 6466 in the office of the Register of Deeds of Rowan County, North Carolina, such land being more particularly described by metes and bounds as follows: BEGINNING AT AN EXISTING IRON ROD SITUATED UPON THE SOUTHERN RIGHT- OF-WAY LIMIT OF CORPORATE CENTER DRIVE (60' PUBLIC R/W PER MAP BOOK 9995 PAGE 3223, ROWAN COUNTY REGISTRY, SAID IRON ROD ALSO BEING THE NORTHWEST CORNER OF TRACT 6, SUMMIT CORPORATE CENTER PER MAP BOOK 9995 PAGE 3694, ROWAN COUNTY REGISTRY; THENCE ALONG THE WESTERN LINE OF TRACT 6, SUMMIT CORPORATE CENTER SOUTH 14-59-29 EAST A DISTANCE OF 591.91 FEET TO AN EXISTING IRON PIPE, SAID IRON PIPE BEING THE COMMON CORNER OF THE DENNIS & SONDRA STILLER PROPERTY PER DEED BOOK 618 PAGE 683, ROWAN COUNTY REGISTRY AND THE ALFRED R. & DEBRA R. CARTER PROPERTY PER DEED BOOK 618 PAGE 887, THENCE ALONG THE WESTERN LINES OF SAID ALFRED R. & DEBRA R. CARTER PROPERTY AND THE ALFRED R. & DEBRA R. CARTER PROPERTY PER DEED BOOK 1085 PAGE 888 RESPECTIVELY, SOUTH 10-37-34 EAST A DISTANCE OF 379.14 FEET TO AN EXISTING IRON PIPE, SAID IRON PIPE BEING THE NORTHERN MOST CORNER OF THE RACHEL J. HORTON PROPERTY PER DEED BOOK 776 PAGE 586, ROWAN COUNTY REGISTRY, THENCE ALONG THE WESTERN LINE OF SAID RACHEL J. HORTON PROPERTY SOUTH 28-43-19 WEST A DISTANCE OF 130.90 FEET TO AN EXISTING IRON PIPE, SAID IRON PIPE BEING THE NORTHERN MOST CORNER OF THE JUDITH ANNETTE ARTHURS PROPERTY PER DEED BOOK 1067 PAGE 700, ROWAN COUNTY REGISTRY; THENCE ALONG THE WESTERN LINE OF SAID JUDITH ANNETTE ARTHURS PROPERTY SOUTH 59-21-58 WEST A DISTANCE OF 278.00 FEET TO AN EXISTING IRON ROD, SAID IRON ROD BEING SITUATED UPON THE NORTHERN LINE OF THE DONNA S. BARBEE PROPERTY PER DEED BOOK 668 PAGE 574, ROWAN COUNTY REGISTRY; THENCE ALONG THE NORTHERN LINES OF SAID DONNA S. BARBEE PROPERTY, AND THE DONNA S. BARBEE PROPERTY PER DEED BOOK 894 PAGE 392, ROWAN COUNTY REGISTRY RESPECTIVELY, NORTH 61-57-55 WEST (PASSING AN EXISTING IRON PIPE AT 53.03 FEET) A TOTAL DISTANCE OF 346.25 FEET TO AN EXISTING IRON PIPE, THENCE CONTINUING ALONG THE NORTHERN LINE OF THE DONNA S. BARBEE PROPERTY AND ALONG THE NORTHERN LINE OF THE DONALD LEE & NANCY J. MENIUS PROPERTY RESPECTIVELY, SOUTH 88-51-49 WEST (PASSING AN EXISTING CONCRETE MONUMENT AT 340.72 FEET, AN EXISTING IRON ROD AT 434.00 FEET, AND AN EXISTING IRON ROD AT 533.21 FEET) A TOTAL DISTANCE OF 537.66 FEET TO A 24" (Exhibit A continued on following page) CHARM 102617Q 4 Ij OAK TREE, SAID OAK TREE BEING THE COMMON CORNER OF THE DARREN WAYNE MENIUS PROPERTY PER DEED BOOK 700 PAGE 276, ROWAN COUNTY REGISTRY AND THE JACK T. MYERS JR. & CATHY N. MYERS PROPERTY PER DEED BOOK 579 PAGE 215, ROWAN COUNTY REGISTRY; THENCE ALONG THE EASTERN AND NORTHERN LINES RESPECTIVELY, OF SAID JACK T. MYERS JR. & CATHY N. MYERS PROPERTY THE FOLLOWING TWO (2) COURSES AND DISTANCES:' I.) NORTH 2O-26-57 WEST (PASSING AN EXISTING IRON ROD AT 4.75 FEET) A TOTAL DISTANCE OF 404.29 FEET TO AN EXISTING IRON PIPE; 2.) SOUTH 71-32-10 WEST A DISTANCE OF 236.54 FEET TO AN EXISTING IRON ROD, SAID IRON ROD BEING SITUATED UPON THE NORTHERN RIGHT-OF-WAY LIMIT OF RICHIE ROAD (60- PUBLIC R/W), THENCE ALONG THE NORTHERN RIGHT-OF-WAY LIMIT OF RICHIE ROAD NORTH 19-35-31 WEST A DISTANCE OF 240.04 FEET TO AN EXISTING IRON PIPE, SAID IRON PIPE BEING SITUATED UPON THE SOUTHERN LINE OF THE JAMES R. EARNHARDT JR. & MARY C. EARNHARDT PROPERTY PER DEED BOOK 567, PAGE 742, ROWAN COUNTY REGISTRY, THENCE ALONG THE SOUTHERN AND EASTERN LINES RESPECTIVELY, OF SAID JAMES R. EARNHARDT JR. & MARY C. EARNHARDT PROPERTY THE FOLLOWING TWO (2) COURSES AND DISTANCES: 1.) SOUTH 89-27-00 EAST A DISTANCE OF 152.08 FEET TO AN EXISTING IRON PIPE; 2.) NORTH 35-15-50 EAST A DISTANCE OF 237.75 FEET TO AN EXISTING IRON ROD, SAID IRON ROD BEING THE SOUTHEAST CORNER OF THE HERBERT A RITCHIE PROPERTY PER DEED BOOK 171 PAGE 23, ROWAN COUNTY REGISTRY; THENCE ALONG THE EASTERN LINE OF SAID HERBERT A. RITCHIE PROPERTY NORTH 36- 16-41 EAST A DISTANCE OF 244.06 FEET TO AN EXISTING CONCRETE MONUMENT, SAID CONCRETE MONUMENT BEING THE SOUTHEAST CORNER OF THE DUKE ENERGY CORP. PROPERTY PER DEED BOOK 638 PAGE 724, ROWAN COUNTY REGISTRY; THENCE ALONG THE EASTERN LINE OF SAID DUKE ENERGY CORP. PROPERTY NORTH 35-45-04 EAST A DISTANCE OF 572.15 FEET TO AN EXISTING IRON PIPE, SAID IRON PIPE BEING THE SOUTHWEST CORNER OF THE ROWAN COUNTY PROPERTY PER DEED BOOK 638 PAGE 724, ROWAN COUNTY REGISTRY; THENCE ALONG THE SOUTHERN LINE OF SAID ROWAN COUNTY PROPERTY NORTH 78-09-56 EAST A DISTANCE OF 135.09 FEET TO AN EXISTING IRON ROD, SAID IRON ROD BEING SITUATED UPON THE SOUTHERN RIGHT-OF-WAY LIMIT OF SAID CORPORATE CENTER DRIVE; THENCE ALONG THE SOUTHERN RIGHT-OF- WAY LIMIT OF CORPORATE CENTER DRIVE ALONG THE ARC OF A CIRCULAR CURVE TO THE LEFT HAVING A RADIUS OF 430.00 FEET, (PASSING AN EXISTING IRON ROD AT AN ARC LENGTH OF 284.29 FEET) A TOTAL ARC LENGTH OF 653.21 FEET, LONG CHORD BEARING OF SOUTH 52-13-45 EAST, AND LONG CHORD LENGTH OF 592.19 FEET TO THE POINT OF BEGINNING; CONTAINING 32.5486 ACRES (AS DETERMINED BY COORDINATE COMPUTATION) AS SHOWN ON THAT SURVEY PERFORMED BY R.B. PHARR & ASSOCIATES DATED JUNE 9, 2008 (FILE NO. G-D-472). (Exhibit A continued on following page) CHARM 1026170 - 5 TRACT 12 BEING ALL THAT CERTAIN tract or parcel of land situated, lying and being in the Summit Corporate Center, Rowan County, North Carolina, being described as Tract 12 (containing 7.5561 acres, more or less) on that certain "Recombination Plat Prepared at the Request of TKC CXVII, LLC" recorded in Plat Book 9995 at Pages 6467 in the office of the Register of Deeds of Rowan County, North Carolina, such land being more particularly described by metes and bounds as follows: BEGINNING AT A NEW IRON ROD SITUATED UPON THE EASTERN RIGHT-OF-WAY LIMIT OF SUMMIT PARK DRIVE (60- PUBLIC R/W PER MAP BOOK 9995 PAGE 3221, ROWAN COUNTY REGISTRY), SAID IRON ROD ALSO BEING THE NORTHWEST CORNER OF A NEW 51.2252 ACRE TRACT, SUMMIT CORPORATE CENTER PER MAP BOOK 9995 PAGE 6467, ROWAN COUNTY REGISTRY; THENCE ALONG THE EASTERN RIGHT-OF-WAY LIMIT OF SUMMIT PARK DRIVE THE FOLLOWING TWO (2) COURSES AND DISTANCES: 1.) NORTH 12-21-32 WEST A DISTANCE OF 124.83 FEET TO AN EXISTING IRON ROD; 2.) ALONG THE ARC OF A CIRCULAR CURVE TO THE RIGHT HAVING A RADIUS OF 470.00 FEET, ARC LENGTH OF 525.93 FEET, LONG CHORD BEARING OF NORTH 19-40-23 EAST, AND LONG CHORD DISTANCE OF 498.92 FEET TO AN EXISTING IRON ROD, SAID IRON ROD BEING THE SOUTHWEST CORNER OF TRACT 15, SUMMIT CORPORATE CENTER PER MAP BOOK 9995 PAGE 5615, ROWAN COUNTY REGISTRY; THENCE ALONG THE SOUTHERN LINE OF TRACT 15, SUMMIT CORPORATE CENTER SOUTH 54-56-00 EAST A DISTANCE OF 715.80 FEET TO AN EXISTING IRON PIPE, SAID IRON PIPE BEING THE SOUTHWEST CORNER OF THE CHURCH OF JESUS CHRIST OF LATTER DAY SAINTS CORP. PROPERTY PER DEED BOOK 645 PAGE 536, ROWAN COUNTY REGISTRY, SAID CORNER ALSO BEING A COMMON CORNER OF SAID NEW 51.2252 ACRE TRACT, SUMMIT CORPORATE CENTER; THENCE ALONG THE NORTHERN LINE OF SAID NEW 51.2252 ACRE TRACT THE FOLLOWING THREE (3) NEW LINES; 1.) SOUTH 48- 18-00 WEST A DISTANCE OF 543.05 FEET TO A NEW IRON ROD; 2.) NORTH 52-11-12 WEST A DISTANCE OF 320.88 FEET TO A NEW IRON ROD; 3.) SOUTH 76-48-54 WEST A DISTANCE OF 70.01 FEET TO THE POINT OF BEGINNING; CONTAINING 7.5561 ACRES (AS DETERMINED BY COORDINATE COMPUTATION) AS SHOWN ON THAT SURVEY PERFORMED BY R.B. PHARR & ASSOCIATES DATED JUNE 9, 2008 (FILE NO. G-D-472). (End of Exhibit A) CHAR2\I 10261M 61 Exhibit B PERMITTED EXCEPTIONS Ad valorem taxes for calendar year 2008 and subsequent years, not yet due and payable. 2. Restrictive covenants recorded in Book 776, Page 395, amended in Book 866, Page 95, Book 872, Page 395; and Book 1037, Page 188, Rowan County Registry. AS TO THE PROPERTIES IDENTIFIED AS TRACT 4: 3. Easement(s) to Duke Power Company recorded in Book 573, Page(s) 941 and Book 737, Page 594, Rowan County Registry. 4. Agreement for main sewer access granted in instrument recorded in Book 786, Page(s) 236, Rowan County Registry. 5. Easement(s) to the City of Salisbury, recorded in Book 706, Page 922 and Book 707, Page 576, Rowan County Registry and as shown on survey by J. Jeffrey Cob, R. B. Pharr & Associates dated June 9, 2008, last revised June 16, 2008. 6. Those matters shown on that certain Survey by J. Jeffrey Cobb, R. B. Pharr & Associates, dated June 9, 2008, last revised June 16, 2008. AS TO THE PROPERTY IDENTIFIED AS TRACT 12: 7. Easement(s) to Duke Power Company recorded in Book 387, Page(s) 607, Rowan County Registry. 8. Easement(s) to the City of Salisbury, recorded in Book 641, Page 901, Rowan County Registry and as shown on survey by J. Jeffrey Cobb, R. B. Pharr & Associates dated June 9, 2008, last revised June 16, 2008, also as shown on plat recorded in Plat Book 9995, Page 2332, Rowan County Registry. 9. Easement(s) to Eastern Rowan Telephone Company, recorded in Book 353, Page(s) 136, Rowan County Registry. 10. Those matters shown on that certain Survey by J. Jeffrey Cobb, R. B. Pharr & Associates, dated June 9, 2008, last revised June 16, 2008. CHARM 102617Q 7 Rowan County Assessor's Office Multiple Parcel Identification Tract:Parcel ID Tract/. ---LL Parcel ID Tract/-L-et' Parcel ID Tract/Lot Parcel ID Tract/Lot Parcel ID Tract/Lot Parcel ID i ■I/m - .N_ �v M/A(P' S/M PA)R I S/P I WIN I UIN lCiCl PART I INT ('J MAP- • ISIM PAn SIP WIN Ultl ICICI PART INT MAP: ISIMI PAR SIP . U/IN UIN.. C/C PART INi MAP. ISIM PA'A. SIP WIN UINIC/Cl PART • INT MAP. 5/M PAR $/P U/IN C/IN C1C PAR7 INT MAP Y/M PAR SIP I WIN I UIN lCiCl PART I IN Tract/Lot Parcel ID MAP 5/M PAR 5/P U/1'N UIN CIG PAgi INT Tract/Lot Parcel ID IAAP' SIM PAR 5/P UIIN UIN' C/C PAAT INT Tract/Lot Parcel ID MAP S/M PAR S/P U/IN URI cic PART INi ' Tract/Lot Parcel JD MAP, SIM PAR I 5/P I U/INI L/IN c;c PAAT INT Tract/Lot Parcel ID MAP 5/m PAR S/p U/IN UIN CIC PART INT Tract/Lot Parcel ID MAP 5/M P.Aq SO .U/IN' UIN CIC PART INT Tract/Lot Parcel ID MAP SIM PAR S/P' WIN, UIN C/C PART INT Tract/Lot Parcel ID MAP IS/Ml PAR I S1P I U/IN I UIN CIc PART INi Tract/Lot,' Parcel ID . I w Transmittal Attention: From: Project Name: Project Number: Date: Re: Via: NCDENR Stormwater Permitting Physical Office: 512 N. Salisbury Street Archdale Building - 9th Floor Raleigh, NC 27604 (919)807-6300 Mailing Address: 1612 Mail Service Center Raleigh, NC 27699-1612 Greg Welsh, PE — Burton Engineering Associates Project Marley 554-004 November 19, 2014 State Stormwater Approval Request UPS Overnight BURTON ENGINEERING ASSOCIATES CIVIL ENGINEERS LANDPLANNERS 5950 F3iM RE. • S ".O t00 •cne ", NC 28210 ("I SSM S1 F. (1 X) 553A060 RECEIVED NOV 20 2014 DENR-LAND QUALITY STORMWATER PERIVIITTING Copies Date Sheets Description 2 11/19/14 Stormwater Management Permit Application Form 1 11/19/14 Supplemental Forms for three (3) Sand Filters 1 Application Processing Fee of $505.00 2 11/19/14 Stormwater Management Report (includes calculations, narrative, USGS map, soils report, and NRCS soils ma 2 11/18/14 14 Civil Plans 1 Deed 1 Information from the Secretary of State 1 08/31/07 Geotechnical Report 1 11/17/14 SHWT Report 1 O&M Form 1 ❑ As Requested ® For Approval ❑ For Your Use ❑ For Review and Comment If you have any questions concerning this information, please contact me at (704) 553-8881 or by email at Greq a)burtonengineering.com Sincerely, Greg Welsh, PE PLEASE NOTIFY AT ONCE IF ALL ENCLOSURES ARE NOT INCLUDED _ DEMLR USE ONLY ' Date Received Fee Paid Permit Number Applicable Rules: ❑ Coastal SW -1995 ❑ Coastal SW - 2008 ❑ Ph II - Post Construction (select all that apply) ❑ Non -Coastal SW- HQW/ORW Waters ❑ Universal Stormwater Management Plan ❑ Other WQ M mt Plan: State of North Carolina Department of Environment and Natural Resources Division of Energy, Mineral and Land Resources 47to STORMWATER MANAGEMENT PERMIT APPLICATION FO - ¢>!j��9iy This form may be photocopied for use as an original O O `1SFCy+ I. GENERAL INFORMATION 1. Project Name (subdivision, facility, or establishment name - should be consistent vri .tnject no plans, specifications, letters, operation and maintenance agreements, etc.): �l/q�`• 2. Location of Project (street address): 1010 Corporate Center Drive City:Salisbury Comrty:Rowan Zip: 3. Directions to project (from nearest major intersection): Interstate 85 to Tulian Road exit in southern Salisbury. Head east. Turn Right on Summit Park Drive. Turn Left onto Corporate Center Drive. Parcel is on the south side of road 4. Latitude:35° 37' 27.31" N Longitude:80° 29' 22.74" W of the main entrance to the project. II. PERMIT INFORMATION 1. a. Specify whether project is (check one): ®New ❑Modification ❑ Renewal w/ Modification' tRennuals tuith modifications also requires S WU-102 - Renawl Application Form b.If this application is being submitted as the result of a modification to an existing permit, list the existing permit number , its issue date (if known) and the status of construction: []Not Started ❑Partially Completed* ❑ Completed* *provide a designer's certification 2. Specify the type of project (check one): ❑Low Density "High Density ❑Drains to an Offsite Stormwater System ❑Other 3. If this application is being submitted as the result of a previously returned application or a letter from DEMLR requesting a state Stormwater management permit application, list the stormwater project number, if assigned, n/a and the previous name of the project, if different than currently proposed,n/a 4. a. Additional Project Requirements (check applicable blanks; information on required state permits can be obtained by contacting the Customer Service Center at 1-877-623-6748): ❑CAMA Major ❑NPDES Industrial Stormwater ®Sedimentation/Erosion Control: 19.5 ac of Disturbed Area 0404/401 Permit: Proposed Impacts b.If any of these permits have already been acquired please provide the Project Name, Project/Permit Number, issue date and the type of each permit:Rowan County Erosion Control Approval -Summit Corporate Center. Tract 4, Approved 08/04/20140. No permit number provided. 5. Is the project located within 5 miles of a public airport? ❑No ®Yes If yes, see S.L. 2012-200, Part VI: httl2://12ortii.ncdenr.org/web/Ir/rules-and-regulations Form SWU-101 Version Oct. 31, 2013 Page I of 6 IV. PROJECT INFORMATION 1. In the space provided below, briefly summarize how the stormwater runoff will be treated. There are two separate drainage basins on the project. Water on the west side will be treated by 2 sand filters. The drainage to the east will be treated by 1 sand filter. 2. a. If claiming vested rights, identify the supporting documents provided and the date they were approved: ❑ Approval of a Site Specific Development Plan or PUD Approval Date: ❑ Valid Building Permit Issued Date: ❑ Other: Date: b.If claiming vested rights, identify the regulation(s) the project has been designed in accordance with: ❑ Coastal SW -1995 ❑ Ph II - Post Construction 3. Stormwater runoff from this project drains to the 4. Total Property Area: 32.55 acres River basin. 5. Total Coastal Wetlands Area: n/a acres 6. Total Surface Water Area: 0 acres 7. Total Property Area (4) - Total Coastal Wetlands Area (5) - Total Surface Water Area (6) = Total Project Area': 32.55 acres Total project area shall be calculated to exclude the following: the normal pool of impounded structures, the area between the banks of streams and rivers, the area below the Normal High Water (NM line or Mean High Water (MHW) line, and coastal wetlands landward from the NHW (or MHIO line. The resultant project area is used to calculate overall percent built upon area (BUA). Non -coastal wetlands landward of the NHW (or MHW) line may be included in the total project area. 8. Project percent of impervious area: (Total Impervious Area / Total Project Area) X 100 9. How many drainage areas does the project have? 3 (For high density, count 1 for each proposed engineered stormwater BMP. For low density and other projects, use 1 for the whole property area) 10. Complete the following information for each drainage area identified in Project Information item 9. If there are more than four drainage areas in the project, attach an additional sheet with the information for each area provided in the same format as below. _. . Basis Information Drains e Area la Drains a Area 16 Drains e Area 2 Drains e Area Receiving Stream Name Town Creek Town Creek Town Creek Stream Class * C C C Stream Index Number * 12-115-3 12-115-3 12-115-3 Total Drainage Area (so 127116 191664 194713 On -site Drainage Area (so 127116 191664 194713 Off -site Drainage Area (so 0 0 0 Proposed Impervious Area** (so 81907 188617 166798 % Impervious Area** total 64.41% 98.41% 85.68% In ervious- Surface Area Drains e Area la, Drains e Area lb Drains e Ar_ea 2 Drains e Area _ On -site Buildings/Lots (so 0 102060 102060 On -site Streets (sf) 23963 0 6628 On -site Parkin (so 54635 85629 9108 On -site Sidewalks (sf) 3309 928 1508 Other on -site (so Future (so 50096 Off -site (so Existing BUA*** (so Total (so: 81907 188617 169400 * Stream Class and Index Number can be determined at: httn://nortal.ncdenr.or uebAuq/ps/csu/classifcatious Impervious area is defined as the built upon area including, but not limited to, buildings, roads, parking areas, sidewalks, gravel areas, etc. ***Report only that amount of existing BUA that will remain after development. Do not report any existing B UA that is to be removed and which will be replaced by nezu B UA. Form SWU-101 Version Oct. 31, 2013 Page 3 of 6 III.. CONTACT INFORMATION 1. a. Print Applicant / Signing Official's name and title (specifically the developer, property owner, lessee, designated government official, individual, etc. who owns the project): Applicant/Organization:TKC CXXIL LLC Signing Official & Title:Alan Lewis, Development Partner b. Contact information for person listed in item 1a above: Street Address:5935 Carnegie Blvd., Suite 200 City:Charlotte State:NC Zip:28209 Mailing Address (if applicable):Same as above City: State: Zip: Phone: (704 ) 365-6000 Email:alan@thekeithcorp.com Fax: (704 ) 365-0733 c. Please check the appropriate box. The applicant listed above is: ® The property owner (Skip to Contact Information, item 3a) ❑ Lessee* (Attach a copy of the lease agreement and complete Contact Information, item 2a and 2b below) ❑ Purchaser* (Attach a copy of the pending sales agreement and complete Contact Information, item 2a and 2b below) ❑ Developer* (Complete Contact Information, item 2a and 2b below.) 2. a. Print Property Owner's name and title below, if you are the lessee, purchaser or developer. (Phis is the person who owns the property that the project is located on): Property Owner/Organization: Signing Official & b. Contact information for person listed in item 2a above: Street Address: Mailing Address (if Phone: State: Zip: Fax: ( ) 3. a. (Optional) Print the name and title of another contact such as the project's construction supervisor or other person who can answer questions about the project: Other Contact Person/Organization: Signing Official & b. Contact information for person listed in item 3a above: Mailing Address: City: Phone: ( ) 4. Local jurisdiction for building permits: Point of Contact: State: Zip: Fax: ( ) Phone #: Form SWU-101 Version Oct. 31, 2013 Page 2 of 6 11. How was the off -site impervious area listed above determined? Provide documentation. Projects in Union Countv: Contact DEMLR Central Office staff to check if the project is located within a Threatened & Endangered Species watershed that may he subject to more stringent stormwater requirements as per 15A NCAC 02B .0600. V. SUPPLEMENT AND O&M FORMS The applicable state stormwater management permit supplement and operation and maintenance (O&M) forms must be submitted for each BMP specified for this project. The latest versions of the forms can be downloaded from httD://Dortil.ncdenr.ore/web/wo/ws/su/bmD-manual. VI. SUBMITTAL REQUIREMENTS Only complete application packages will be accepted and reviewed by the Division of Energy, Mineral and Land Resources (DEMLR). A complete package includes all of the items listed below. A detailed application instruction sheet and BMP checklists are available from http://portal.ncdenr.orst/web/wq/ws/su/statesw/forms dots. The complete application package should be submitted to the appropriate DEMLR Office. (The appropriate office may be found by locating project on the interactive online map at http: / /portal.nccienr.org/web/wq/ws/su/ma nos.) Please indicate that the following required information have been provided by initialing in the space provided for each item. All original documents MUST be signed and initialed in blue ink. Download the latest versions for each submitted application package from htto•//12ortal.nedenr.org/web/wq/ws/su/statesw/forms does. Initials 1. Original and one copy of the Stormwater Management Permit Application Form. 2. Original and one copy of the signed and notarized Deed Restrictions & Protective Covenants �1�A Form. (if required as per Part VII below) 3. Original of the applicable Supplement Form(s) (sealed, signed and dated) and O&M agreement(s) for each BMP. 4. Permit application processing fee of $505 payable to NCDENR. (For an Express review, refer to htt2://www.envhell2.org/12ages/onestol2exj2ress.html for information on the Express program and the associated fees. Contact the appropriate regional office Express Permit Coordinator for additional information and to schedule the required application meeting.) 5. A detailed narrative (one to two pages) describing the stormwater treatment/management for the project. This is required in addition to the brief summary provided in the Project Information, item 1. 6. A USGS map identifying the site location. If the receiving stream is reported as class SA or the receiving stream drains to class SA waters within'h mile of the site boundary, include the'h mile radius on the map. 7. Sealed, signed and dated calculations (one copy). 8. Two sets of plans folded to 8.5" x 14" (sealed, signed, & dated), including: a. Development/Project name. b. Engineer and firm. c. Location map with named streets and NCSR numbers. d. Legend. e. North arrow. f. Scale. g. Revision number and dates. h. Identify all surface waters on the plans by delineating the normal pool elevation of impounded structures, the banks of streams and rivers, the MHW or NHW line of tidal waters, and any coastal wetlands landward of the MHW or NHW lines. • Delineate the vegetated buffer landward from the normal pool elevation of impounded structures, the banks of streams or rivers, and the MHW (or NHW) of tidal waters. i. Dimensioned property/project boundary with bearings & distances. j. Site Layout with all BUA identified and dimensioned. k. Existing contours, proposed contours, spot elevations, finished floor elevations. 1. Details of roads, drainage features, collection systems, and stormwater control measures. m. Wetlands delineated, or a note on the plans that none exist. (Must be delineated by a qualified person. Provide documentation of qualifications and identify the person who made the determination on the plans. n. Existing drainage (including off -site), drainage easements, pipe sizes, runoff calculations. o. Drainage areas delineated (included in the main set of plans, not as a separate document). l^g I4ff (1,002T) Form SWU-101 Version Oct. 31, 2013 Page 4 of 6 p. Vegetated buffers (where required). /� 9. Copy of any applicable soils report with the associated SHWT elevations (Please identify l9(J ';a at�Ti elevations in addition to depths) as well as a map of the boring locations with the existing elevations and boring logs. Include an 8.5"xll" copy of the NRCS County Soils map with the project area clearly delineated. For projects with infiltration BMPs, the report should also include the soil type, expected infiltration rate, and the method of determining the infiltration rate. (Infiltration Devices submitted to WiRO: Schedule a site visit for DEMLR to verify the SNWT prior to submittal, (910) 796-7378.) 10. A copy of the most current property deed. Deed book: 1124 Page No: 120 11. For corporations and limited liability corporations (LLC): Provide documentation from the NC Cow_ Secretary of State or other official documentation, which supports the titles and positions held by the persons listed in Contact Information, item la, 2a, and/or 3a per 15A NCAC 2H.1003(e). The corporation or LLC must be listed as an active corporation in good standing with the NC Secretary of State, otherwise the application will be returned. httR://www.secretary.state.nc.us/Corl2orations/CSearch.asl2x VII. DEED RESTRICTIONS AND PROTECTIVE COVENANTS For all subdivisions, outparcels, and future development, the appropriate property restrictions and protective covenants are required to be recorded prior to the sale of any lot. If lot sizes vary significantly or the proposed BUA allocations vary, a table listing each lot number, lot size, and the allowable built -upon area must be provided as an attachment to the completed and notarized deed restriction form. The appropriate deed restrictions and protective covenants forms can be downloaded from htto://vorlal.ncdenr.org/web/Ir/slate-stormwater- forms does. Download the latest versionsfor each submittal. In the instances where the applicant is different than the property owner, it is the responsibility of the property owner to sign the deed restrictions and protective covenants form while the applicant is responsible for ensuring that the deed restrictions are recorded. By the notarized signature(s) below, the permit holder(s) certify that the recorded property restrictions and protective covenants for this project, if required, shall include all the items required in the permit and listed on the forms available on the website, that the covenants will be binding on all parties and persons claiming under them, that they will run with the land, that the required covenants cannot be changed or deleted without concurrence from the NC DEMLR, and that they will be recorded prior to the sale of any lot. VIII. CONSULTANT INFORMATION AND AUTHORIZATION Applicant: Complete this section if you wish to designate authority to another individual and/or firm (such as a consulting engineer and/or firm) so that they may provide information on your behalf for this project (such as addressing requests for additional information). Consulting Engineer:Carlton T. Burton Consulting Firm: Burton Engineering Associates Mailing Address:5950 Fairview Road Suite 100 City:Charlotte Phone: (704 ) 553-8881 State:NC Zip:28210 Fax: (704 ) 553-8860 IX. PROPERTY OWNER AUTHORIZATION (if Contact Information, item 2 has been filled out, complete this section) 1, (print or type name of person listed in Contact Information, item 2a) . certify that I own the property identified in this permit application, and thus give permission to (print or type name of person listed in Contact Information, item la) with (print or type name of organization listed in Contact Information, item 1a) to develop the project as currently proposed. A copy of the lease agreement or pending property sales contract has been provided with the submittal, which indicates the party responsible for the operation and maintenance of the stormwater system. Form SWU-101 Version Oct. 31, 2013 Page 5 of 6 As the legal property owner I acknowledge, understand, and agree by my signature below, that if my designated agent (entity listed in Contact Information, item 1) dissolves their company and/or cancels or defaults on their lease agreement, or pending sale, responsibility for compliance with the DEMLR Stormwater permit reverts back to me, the property owner. As the property owner, it is my responsibility to notify DEMLR immediately and submit a completed Name/Ownership Change Form within 30 days; otherwise I will be operating a stormwater treatment facility without a valid permit. I understand that the operation of a stormwater treatment facility without a valid permit is a violation of NC General Statue 143-215.1 and may result in appropriate enforcement action including the asses ent civ' enalties of up to $25,000 per day, pursuant to NCGS 143-215.6. Signature: / Date: DV j r3 aory I, Li du. 3 Cruz a %i n Notar Public for the State of / Or7h G,✓ea__ . County of Q%2teft ih y ✓ J . do hereby certify that enn e / Ai , att. kcG personally appeared t J..// before me this j2day of Na✓Pp1�j 2✓ e�0/ "and acknowledge�the�7due execution of the application for a stormwater permit. Witness my hand and official seal,Y oa �,"J L� t✓� "W1111 Will, a NotutV PubllC Goston Cou expire MY Comn'isslon 071061�01^ =Q C P�o\\����� X. APPLICANT'S CERTIFICATION SEAL My commission expires / -P- / / I, (print or type name of person listed in Contact Information, item la) certify that the information included on this permit application form is, to the best of my knowledge, correct and that the project will be constructed in conformance with the approved plans, that the required deed restrictions and protective covenants will be recorded, and that the proposed project complies with the requirements of the applicable stormwater 1 15 CA 21-1.1000 and any other applicable state stormwater requirements. Signature: 404 Date:%. /!y dol * I, JII /1 � /f /,/, S a B 6-4 t_ a Notary Public /for the State of 4A( `A1d it 6L. . County of ledlel)l"tt doh�errebycertify that �)t/'1/1?CH I.1• dekl,-q personally appeared before me this -dday of MJVem dt✓ 40 , and acknowledge the due execution of the application for a stormwater permit. Witness my hand and official seal, '< d 4,-, NotuN Public g G0. onC°UntV ,slon ex Tres= MV C°mtnl 071081201'1 Q. pn' %H1WO SEAL My commission expires 7- 0 - / 7 Form SWU-101 Version Oct. 31, 2013 Page 6 of 6