Common use of Laboratory Testing Clause in Contracts

Laboratory Testing. The project engineer will review field data and assign laboratory tests to understand the engineering properties of various soil strata. The anticipated laboratory testing may include the following: ■ Moisture content ■ Dry unit weight ■ Atterberg Limits ■ Percent finer than No. 200 sieve ■ Unconfined compressive strength ■ Unconsolidated Undrained Triaxial ■ Consolidated undrained triaxial test ■ Specific gravity ■ Grain size distribution: sieve and hydrometer ■ Crumb test ■ Double hydrometer Our laboratory testing program includes examination of soil samples by an engineer. Based on the results of our field and laboratory programs, we will describe and classify soil samples in accordance with the Unified Soil Classification System (USCS). Results of our field and laboratory programs will be evaluated by a professional engineer. The engineer will develop a geotechnical site characterization, perform the engineering calculations necessary to develop appropriate geotechnical engineering design criteria for earth-related phases of the project. Your project will be delivered using our GeoReport® system. Upon initiation, we provide you and your design team the necessary link and password to access the website (if not previously registered). Each project includes a calendar to track the schedule, an interactive site map, a listing of team members, access to the project documents as they are uploaded to the site, and a collaboration portal. The typical delivery process includes the following: ■ Project Planning – Cost estimate information, schedule and anticipated exploration plan will be posted for review and verification ■ Site Characterization – Findings of the site exploration ■ Geotechnical Engineering – Recommendations and geotechnical engineering report When utilized, our collaboration portal documents communication, eliminating the need for long email threads. This collaborative effort allows prompt evaluation and discussion of options related to the design and associated benefits and risks of each option. With the ability to inform all parties as the work progresses, decisions and consensus can be reached faster. In some cases, only minimal uploads and collaboration will be required, because options for design and construction are limited or unnecessary. This is typically the case for uncomplicated projects with no anomalies found at the site. When services are complete, we upload a printable version of our completed geotechnical engineering report, including the professional engineer’s seal and signature, which documents our services. Previous submittals, collaboration and the report are maintained in our system. This allows future reference and integration into subsequent aspects of our services as the project goes through final design and construction. The geotechnical engineering report will provide the following: ■ Boring logs with field and laboratory data ■ Stratification based on visual soil classification ■ Groundwater levels observed during drilling and sampling ■ Groundwater levels observed in the piezometers ■ Site and boring location plans ■ Subsurface exploration procedures ■ Description of subsurface conditions ■ Temporary groundwater control and excavation considerations ■ Utility bedding and backfill ■ Subgrade preparation/earthwork recommendations ■ Foundation design and construction recommendations for drilled straight shafts ■ LPILE design parameters and analysis (If requested) ■ D50 and D90 values for scour analysis to be performed by others ■ Design guidelines for rigid pavements If the location of the detention pond is not determined prior to issuance of our geotechnical engineering report, Terracon plans to issue a supplemental report with the following recommendations: ■ Detention pond construction considerations ■ Global stability analysis for pond slopes (one cross-section) under short-term, long-term, and rapid drawdown conditions ■ General discussion on slope protection and erosion control for the detention pond

Laboratory Testing. The project engineer will review field data and assign laboratory tests. Based on our understanding of the project, assigned tests to understand the engineering properties of various soil strata. The anticipated laboratory testing may include the following: ■ . Moisture content ■ Dry unit Unit weight ■ Atterberg Limits ■ limits Percent finer than No. 200 sieve ■ Sieve Unconfined compressive strength ■ Unconsolidated Undrained Triaxial ■ Consolidated undrained triaxial test ■ Specific gravity ■ Grain size distribution: sieve and hydrometer ■ Crumb test ■ Double hydrometer Our laboratory testing program includes examination of soil samples by an engineer. Based on the results of our field and laboratory programs, we will describe and classify soil samples in accordance with the Unified Soil Classification System (USCS). Results of our field and laboratory programs will be evaluated by a professional engineer. The engineer will develop a geotechnical site characterization, perform the engineering calculations necessary to evaluate foundation alternatives, and develop appropriate geotechnical engineering design criteria for earth-related phases of the project. Your project will be delivered using our GeoReport® system. Upon initiation, we provide you and your design team the necessary link and password to access the website (if not previously registered). Each project includes a calendar to track the schedule, an interactive site map, a listing of team members, access to the project documents as they are uploaded to the site, and a collaboration portal. The typical delivery process includes the following: ■ Project Planning – Cost estimate Proposal information, schedule and anticipated exploration plan will be posted for review and verification ■ Site Characterization – Findings of the site exploration ■ Geotechnical Engineering – Recommendations and preliminary geotechnical engineering report When utilized, our collaboration portal documents communication, eliminating the need for long email threads. This collaborative effort allows prompt evaluation and discussion of options related to the design and associated benefits and risks of each option. With the ability to inform all parties as the work progresses, decisions and consensus can be reached faster. In some cases, only minimal uploads and collaboration will be required, because options for design and construction are limited or unnecessary. This is typically the case for uncomplicated projects with no anomalies found at the site. When services are complete, we upload a printable version of our completed preliminary geotechnical engineering report, including the professional engineer’s seal and signature, which documents our services. Previous submittals, collaboration and the report are maintained in our system. This allows future reference and integration into subsequent aspects of our services as the project goes through final design and construction. The geotechnical engineering report for the proposed improvements will provide the following: ■ Site and boring location plans Boring logs with field and laboratory data ■ Stratification based on visual soil classification ■ Groundwater levels observed during drilling and sampling ■ Groundwater levels observed in the piezometers ■ Site and boring location plans ■ Subsurface exploration procedures ■ Description of subsurface conditions ■ Excavation considerations Temporary groundwater control considerations Uplift and excavation lateral earth pressures Utility construction considerations ■ Utility bedding and backfill ■ Subgrade preparation/earthwork recommendations ■ Foundation Pavement design and construction recommendations for drilled straight shafts ■ LPILE design parameters and analysis (If requested) ■ D50 and D90 values for scour analysis to be performed by others ■ Design guidelines for rigid pavements If the location Based upon our understanding of the detention pond site, the project as summarized in Exhibit A, and our planned Scope of Services outlined in Exhibit B, our base fee is shown in the following table: Our Scope of Services does not determined include services associated with survey of boring locations, special equipment for wet/soft ground conditions, tree or shrub clearing, or repair of damage to existing landscape. If such services are desired by the owner/client, we should be notified so we can adjust our Scope of Services. Unless instructed otherwise, we will submit our invoice(s) to the address shown at the beginning of this proposal. If conditions are encountered that require Scope of Services revisions and/or result in higher fees, we will contact you for approval, prior to issuance initiating services. A supplemental proposal stating the modified Scope of Services as well as its effect on our geotechnical engineering report, Terracon plans to issue a supplemental report with the following recommendations: ■ Detention pond construction considerations ■ Global stability analysis for pond slopes (one cross-section) under short-term, long-term, and rapid drawdown conditions ■ General discussion on slope protection and erosion control for the detention pondfee will be prepared. We will not proceed without your authorization.

Laboratory Testing. The project engineer will review field data and assign laboratory tests to understand the engineering properties of various soil strata. The anticipated laboratory testing may include the following: ■ Moisture content ■ Dry unit weight ■ Atterberg Limits limits ■ Percent finer than No. 200 sieve Sieve ■ Unconfined compressive strength ■ Unconsolidated Undrained Triaxial ■ Consolidated undrained triaxial test ■ Specific gravity ■ Grain size distribution: sieve and hydrometer ■ Crumb test ■ Double hydrometer Our laboratory testing program includes examination of soil samples by an engineer. Based on the results of our field and laboratory programs, we will describe and classify soil samples in accordance with the Unified Soil Classification System (USCS). Results of our field and laboratory programs will be evaluated by a professional engineer. The engineer will develop a geotechnical site characterization, perform the engineering calculations necessary to evaluate foundation alternatives, and develop appropriate geotechnical engineering design criteria for earth-related phases of the project. Your project will be delivered using our GeoReport® system. Upon initiation, we provide you and your design team the necessary link and password to access the website (if not previously registered). Each project includes a calendar to track the schedule, an interactive site map, a listing of team members, access to the project documents as they are uploaded to the site, and a collaboration portal. The typical delivery process includes the following: ■ Project Planning – Cost estimate Proposal information, schedule and anticipated exploration plan will be posted for review and verification ■ Site Characterization – Findings of the site exploration ■ Geotechnical Engineering – Recommendations and geotechnical engineering report When utilized, our collaboration portal documents communication, eliminating the need for long email threads. This collaborative effort allows prompt evaluation and discussion of options related to the design and associated benefits and risks of each option. With the ability to inform all parties as the work progresses, decisions and consensus can be reached faster. In some cases, only minimal uploads and collaboration will be required, because options for design and construction TFC Contract No. ▇▇-▇▇▇-▇▇▇ - Assignment No. 10 - Exhibit A are limited or unnecessary. This is typically the case for uncomplicated projects with no anomalies found at the site. When services are complete, we upload a printable version of our completed geotechnical engineering report, including the professional engineer’s seal and signature, which documents our services. Previous submittals, collaboration and the report are maintained in our system. This allows future reference and integration into subsequent aspects of our services as the project goes through final design and construction. The geotechnical engineering report will provide recommendations for the following: ■ Boring logs with field and laboratory data ■ Stratification based on visual soil classification ■ Groundwater levels observed during drilling and sampling ■ Groundwater levels observed in the piezometers Demolition considerations; ■ Site and boring location plans ■ Subsurface exploration procedures ■ Description of subsurface conditions ■ Temporary groundwater control and excavation considerations ■ Utility bedding and backfill ■ Subgrade subgrade preparation/earthwork recommendations ; ■ Foundation design and construction recommendations construction; ■ Lateral earth pressures and drainage considerations for drilled straight shafts the retaining wall; and ■ LPILE Pavement design parameters and analysis (If requested) ■ D50 and D90 values for scour analysis to be performed by others ■ Design guidelines for rigid pavements If the location guidelines. TFC Contract No. ▇▇-▇▇▇-▇▇▇ - Assignment No. 10 - Exhibit A Based upon our understanding of the detention pond site, the project as summarized in Exhibit A, and our planned Scope of Services outlined in Exhibit B, our base fee is shown in the following table: Our Scope of Services does not determined include services associated with survey of boring locations, special equipment for wet/soft ground conditions, or repair of/damage to existing landscape. If such services are desired by the owner/client, we should be notified so we can adjust our Scope of Services. Unless instructed otherwise, we will submit our invoice(s) to the address shown at the beginning of this cost estimate. If conditions are encountered that require Scope of Services revisions and/or result in higher fees, we will contact you for approval, prior to issuance initiating services. A supplemental cost estimate stating the modified Scope of Services as well as its effect on our geotechnical engineering report, Terracon plans to issue a supplemental report with the following recommendations: ■ Detention pond construction considerations ■ Global stability analysis for pond slopes (one cross-section) under short-term, long-term, and rapid drawdown conditions ■ General discussion on slope protection and erosion control for the detention pondfee will be prepared. We will not proceed without your authorization.

Laboratory Testing. The project engineer will review field data and assign laboratory tests to understand the engineering properties of various soil strata. Exact types and number of tests cannot be defined until completion of field work. The anticipated laboratory testing may include the following: ■ Moisture content ASTM D2216 Standard Test Methods for Laboratory Determination of Water (Moisture) Content of Soil and Rock by Mass ■ Dry unit weight ASTM D7263 Standard Test Methods for Laboratory Determination of Density (Unit Weight) of Soil Specimens ■ Atterberg Limits ASTM D4318 Standard Test Methods for Liquid Limit, Plastic Limit, and Plasticity Index of Soils ■ Percent finer ASTM D1140 Standard Test Method for Determining the Amount of Materials Finer than No. 200 sieve Sieve in Soils by Washing ■ ASTM D422 Standard Test Method for Particle-Size Analysis of Soils ■ ASTM D2166/D2166M Standard Test Method for Unconfined compressive strength ■ Unconsolidated Undrained Triaxial ■ Consolidated undrained triaxial test ■ Specific gravity ■ Grain size distribution: sieve and hydrometer ■ Crumb test ■ Double hydrometer Compressive Strength of Cohesive Soil Our laboratory testing program often includes examination of soil samples by an engineer. Based on the results of our field material’s texture and laboratory programsplasticity, we will describe and classify soil samples in accordance with the Unified Soil Classification System (USCS). City of ▇▇▇▇▇ Regional Park ■ Bryan, Texas March 11, 2019 ■ Terracon Proposal No. PA1195025 Results of our field and laboratory programs will be evaluated by a professional engineer. The engineer will develop a geotechnical site characterization, perform the engineering calculations necessary to evaluate foundation alternatives, and develop appropriate geotechnical engineering design criteria for earth-related phases of the project. Your project will be delivered using our GeoReport® system. Upon initiation, we provide you and your design team the necessary link and password to access the website (if not previously registered). Each project includes a calendar to track the schedule, an interactive site map, a listing of team members, access to the project documents as they are uploaded to the site, and a collaboration portal. The typical delivery process includes the following: ■ Project Planning – Cost estimate Proposal information, schedule and anticipated exploration plan will be posted for review and verification ■ Site Characterization – Findings of the site exploration ■ Geotechnical Engineering – Recommendations and geotechnical engineering report When utilized, our collaboration portal documents communication, eliminating the need for long email threads. This collaborative effort allows prompt evaluation and discussion of options related to the design and associated benefits and risks of each option. With the ability to inform all parties as the work progresses, decisions and consensus can be reached faster. In some cases, only minimal uploads and collaboration will be required, because options for design and construction are limited or unnecessary. This is typically the case for uncomplicated projects with no anomalies found at the site. When services are complete, we upload a printable version of our completed geotechnical engineering report, including the professional engineer’s seal and signature, which documents our services. Previous submittals, collaboration and the report are maintained in our system. This allows future reference and integration into subsequent aspects of our services as the project goes through final design and construction. The geotechnical engineering report will provide the following: ■ Boring logs with field and laboratory data ■ Stratification based on visual soil classification ■ Groundwater levels observed during and after the completion of drilling and sampling ■ Groundwater levels observed in the piezometers ■ Site Location and boring location plans Exploration Plans ■ Subsurface exploration procedures ■ Description of subsurface conditions ■ Temporary groundwater control Recommended foundation options and excavation considerations ■ Utility bedding and backfill engineering design parameters ■ Subgrade preparation/earthwork recommendations ■ Foundation design Recommended pavement options and construction recommendations for drilled straight shafts ■ LPILE design parameters and analysis (If requested) City of ▇▇▇▇▇ Regional Park ■ D50 and D90 values Bryan, Texas March 11, 2019 ■ Terracon Proposal No. PA1195025 In addition to the services noted above, the following are often associated with geotechnical engineering services. Fees for scour analysis to be performed by others services noted above do not include the following: City of ▇▇▇▇▇ Regional Park ■ Design guidelines for rigid pavements If the location Bryan, Texas March 11, 2019 ■ Terracon Proposal No. PA1195025 Based upon our understanding of the detention pond site, the project as summarized in Exhibit A, and our planned Scope of Services outlined in Exhibit B, our base fee is not determined prior to issuance of our geotechnical engineering report, Terracon plans to issue a supplemental report with shown in the following recommendationstable: ■ Detention pond construction considerations ■ Global stability analysis for pond slopes (one cross-section) under short-term, long-term, and rapid drawdown conditions ■ General discussion on slope protection and erosion control for Additional services not part of the detention pondbase fee include the following:

Laboratory Testing. The project engineer will review field data To evaluate the index and assign laboratory tests to understand the engineering properties of various soil stratasite soils, the following laboratory tests are anticipated: • In-situ Moisture/Density tests, American Society for Testing and Materials (ASTM) D2216 and D7263 Test Procedures • Grain Size Distribution tests, ASTM D1140 and D422 • Atterberg Limit tests, ASTM D4318 The engineering analysis phase of work will focus on developing site grading recommendations and geotechnical design parameters for foundations and hardscape areas. The anticipated laboratory testing may include data obtained from the following: ■ Moisture content ■ Dry unit weight ■ Atterberg Limits ■ Percent finer than No. 200 sieve ■ Unconfined compressive strength ■ Unconsolidated Undrained Triaxial ■ Consolidated undrained triaxial test ■ Specific gravity ■ Grain size distribution: sieve field investigation and hydrometer ■ Crumb test ■ Double hydrometer Our the laboratory testing program includes examination will be utilized in the engineering analysis. Following the completion of soil samples by an engineerthe engineering analysis, a report will be prepared with our conclusions and recommendations. Based The report will include the following items: • Site plan showing exploratory boring locations • Logs of exploratory borings, including depth to groundwater (if encountered) • Laboratory test results • A detailed discussion of our findings and recommendations, including:  Site conditions  Subsurface conditions  Geologic hazards and seismicity  Site preparation and earthwork recommendations  Foundation type and design recommendations  Flexible asphalt and rigid concrete pavement recommendations The design of subsurface drainage systems for athletic field, including detention basins and bioswales, requires adequate subsurface data, percolation characteristics, and hydraulic conductivity of the underlying soil. The Consultant Team will perform in-situ percolation tests at two locations using the Guelph permeameter method based on site access and existing ground surface conditions. Percolation tests will be within the anticipated zones of percolation soils, estimated to depths ranging from approximately 3 to 5 feet. Sidewalls of the test holes will be scarified prior to pre-saturating the hole for up to 24 hours, unless a shorter time is warranted based on the results soil condition encountered. After the test holes are pre-saturated, the percolation tests will be performed the following day or as determined by the soil condition encountered. The duration of our field and laboratory programseach percolation test will range from approximately 2 to 3 hours each, we depending on the rate of percolation. Upon completion, the test holes will describe and classify soil samples be backfilled in accordance with the Unified Soil Classification System (USCS)water district requirements. Results of our field and laboratory programs The percolation test data will be evaluated by a professional engineerevaluated, and the percolation rate will be determined in inches per minute of percolation, or another convenience unit. We will coordinate the test locations and anticipated depths with the civil engineer before testing. The engineer Consultant Team will develop a geotechnical site characterization, perform the engineering calculations necessary to develop appropriate geotechnical engineering design criteria for earth-related phases summarize our test results and findings as part of the project. Your project will be delivered using our GeoReport® system. Upon initiation, we provide you and your design team the necessary link and password to access the website (if not previously registered). Each project includes a calendar to track the schedule, an interactive site map, a listing of team members, access to the project documents as they are uploaded to the site, and a collaboration portal. The typical delivery process includes the following: ■ Project Planning – Cost estimate information, schedule and anticipated exploration plan will be posted for review and verification ■ Site Characterization – Findings of the site exploration ■ Geotechnical Engineering – Recommendations and geotechnical engineering report When utilized, our collaboration portal documents communication, eliminating the need for long email threads. This collaborative effort allows prompt evaluation and discussion of options related to the design and associated benefits and risks of each option. With the ability to inform all parties as the work progresses, decisions and consensus can be reached faster. In some cases, only minimal uploads and collaboration will be required, because options for design and construction are limited or unnecessary. This is typically the case for uncomplicated projects with no anomalies found at the site. When services are complete, we upload a printable version of our completed geotechnical engineering report, including the professional engineer’s seal and signature, which documents our services. Previous submittals, collaboration and the report are maintained in our system. This allows future reference and integration into subsequent aspects of our services as the project goes through final design and construction. The geotechnical engineering report will provide the following: ■ Boring logs with field and laboratory data ■ Stratification based on visual soil classification ■ Groundwater levels observed during drilling and sampling ■ Groundwater levels observed in the piezometers ■ Site and boring location plans ■ Subsurface exploration procedures ■ Description of subsurface conditions ■ Temporary groundwater control and excavation considerations ■ Utility bedding and backfill ■ Subgrade preparation/earthwork recommendations ■ Foundation design and construction recommendations for drilled straight shafts ■ LPILE design parameters and analysis (If requested) ■ D50 and D90 values for scour analysis to be performed by others ■ Design guidelines for rigid pavements If the location of the detention pond is not determined prior to issuance of our geotechnical engineering report, Terracon plans to issue a supplemental report with the following recommendations: ■ Detention pond construction considerations ■ Global stability analysis for pond slopes (one cross-section) under short-term, long-term, and rapid drawdown conditions ■ General discussion on slope protection and erosion control for the detention pond.

Laboratory Testing. The project engineer Laboratory tests will review field data be assigned corresponding to the types of soils encountered, with the objective of classifying the soils physical and assign laboratory tests to understand the engineering properties of various soil strata. The anticipated laboratory testing may include the following: ■ Moisture content ■ Dry unit weight ■ index properties, moisture contents, unconfined compressive strength, undrained unconsolidated compressive strength, Atterberg Limits ■ Percent limits, percent finer than No. 200 sieve ■ Unconfined compressive strength ■ Unconsolidated Undrained sieve, and total unit weight tests. Consolidated-undrained Triaxial ■ Consolidated undrained triaxial test ■ Specific gravity ■ Grain size distribution: sieve test, and soil dispersiveness tests (double hydrometer ■ Test, Crumb test ■ Double hydrometer Our Tests) are required at channel cross section.. All laboratory testing program includes examination of soil tests will be performed in accordance with appropriate ASTM standards. We will keep the samples by an engineerfor 30 days after the final report is presented. Based on We will discard the results of our samples after that time, unless instructed otherwise. The field and laboratory programsdata will be summarized in an engineering report. Analyses of these data will be presented, we will describe and classify soil samples recommendations made in accordance with the Unified Soil Classification System (USCS)Fort Bend County Engineering Guidelines. Results of our field The following geotechnical information and laboratory programs recommendations will be evaluated by a professional engineer. provided: The engineer will develop a geotechnical site characterization, perform the engineering calculations necessary to develop appropriate geotechnical engineering design criteria for earth-related phases of the project. Your project will be delivered using our GeoReport® system. Upon initiation, we provide you and your design team the necessary link and password to access the website (if not previously registered). Each project includes a calendar to track the schedule, an interactive site map, a listing of team members, access to the project documents as they are uploaded to the site, and a collaboration portal. The typical delivery process includes the following: ■ Project Planning – Cost estimate information, schedule and anticipated exploration plan will be posted for review and verification ■ Site Characterization – Findings of the site exploration ■ Geotechnical Engineering – Recommendations and geotechnical engineering report When utilized, our collaboration portal documents communication, eliminating the need for long email threads. This collaborative effort allows prompt evaluation and discussion of options related to the design and associated benefits and risks of each option. With the ability to inform all parties as the work progresses, decisions and consensus can be reached faster. In some cases, only minimal uploads and collaboration will be required, because options for design and construction are limited or unnecessary. This is typically the case for uncomplicated projects with no anomalies found at the site. When services are complete, we upload a printable version of our completed geotechnical engineering report, including the professional engineer’s seal and signature, which documents our services. Previous submittals, collaboration and the report are maintained in our system. This allows future reference and integration into subsequent aspects of our services as the project goes through final design and construction. The geotechnical engineering report will provide the following: ■ Boring logs with field and laboratory data ■ Stratification will be presented in a geotechnical report. Geotechnical analyses will be conducted using the field and laboratory test data to provide geotechnical data for the design and construction of the proposed improvements, including (but not limited to) the following:  Generalized soils stratigraphy  Piezometer installation and groundwater measurements  Preliminary fault review based on visual soil classification ■ Groundwater levels observed during drilling the review of the available fault maps  Excavation and sampling ■ Groundwater levels observed in the piezometers ■ Site trench construction and boring location plans ■ Subsurface exploration procedures ■ Description of subsurface conditions ■ Temporary groundwater control and excavation considerations ■ Utility safety requirements  Recommendations regarding bedding and backfill ■ Subgrade preparation/earthwork recommendations ■ Foundation design for utilities construction  Loads on buried pipes including dead and live loads (vehicle loads)  Recommendations regarding paving including thickness and reinforcement design, subgrade preparation and stabilization, pavement construction recommendations for drilled straight shafts ■ LPILE design parameters and analysis (If requested) ■ D50 and D90 values for scour analysis to  Construction consideration  Culvert – Slope Stability Analyses will be performed by others ■ Design guidelines for rigid pavements If the location channel/culvert improvement alignment, and evaluating global and local slope stability in terms of End of Construction, Long Term and Rapid Drawdown conditions. One (1) electronic PDF copy of the detention pond is not determined prior to issuance of our draft geotechnical engineering reportreport will be submitted. Once we have received the review comments, Terracon plans to issue a supplemental final report with addressing the following recommendations: ■ Detention pond construction considerations ■ Global stability analysis for pond slopes (one cross-section) under short-term, long-term, and rapid drawdown conditions ■ General discussion on slope protection and erosion control for the detention pondreview comments will be issued. One

Laboratory Testing. The project engineer will review field data and assign laboratory tests to understand the engineering properties of various soil strata. Exact types and number of tests cannot be defined until completion of field work. The anticipated laboratory testing may include the following: ■ Moisture Water content ■ Dry unit Unit dry weight ■ Atterberg Limits ■ Percent finer than No. 200 sieve limits ■ Unconfined compressive strength ■ Unconsolidated Undrained Triaxial ■ Consolidated undrained triaxial test ■ Specific gravity Swell ■ Grain size distribution: sieve and hydrometer analysis ■ Crumb test ■ Double hydrometer Sulfates Our laboratory testing program often includes examination of soil samples by an engineer. Based on the results of our field material’s texture and laboratory programsplasticity, we will describe and classify soil samples in accordance with the Unified Soil Classification System (USCS). Results of our field and laboratory programs will be evaluated by a professional engineer. The engineer will develop a geotechnical site characterization, perform the engineering calculations necessary to evaluate foundation alternatives, and develop appropriate geotechnical engineering design criteria for earth-related phases of the project. Your project will be delivered using our GeoReport® system. Upon initiation, we provide you and your design team the necessary link and password to access the website (if not previously registered). Each project includes a calendar to track the schedule, an interactive site map, a listing of team members, access to the project documents as they are uploaded to the site, and a collaboration portal. The typical delivery process includes the following: ■ Project Planning – Cost estimate Proposal information, schedule and anticipated exploration plan will be posted for review and verification ■ Site Characterization – Findings of the site exploration ■ Geotechnical Engineering – Recommendations and geotechnical engineering report When utilized, our collaboration portal documents communication, eliminating the need for long email threads. This collaborative effort allows prompt evaluation and discussion of options related to the design and associated benefits and risks of each option. With the ability to inform all parties as the work progresses, decisions and consensus can be reached faster. In some cases, only minimal uploads and collaboration will be required, because options for design and construction are limited or unnecessary. This is typically the case for uncomplicated projects with no anomalies found at the site. When services are complete, we upload a printable version of our completed geotechnical engineering report, including the professional engineer’s seal and signature, which documents our services. Previous submittals, collaboration and the report are maintained in our system. This allows future reference and integration into subsequent aspects of our services as the project goes through final design and construction. The geotechnical engineering report will provide the following: ■ Boring logs with field and laboratory data ■ Stratification based on visual soil classification Unified Soil Classification System (USCS) ■ Groundwater levels levels, if observed during and after the completion of drilling and sampling ■ Groundwater levels observed in the piezometers ■ Site Location and boring location plans Exploration Plans ■ Subsurface exploration procedures ■ Description of subsurface conditions ■ Temporary groundwater control Recommended foundation options and excavation considerations engineering design parameters ■ Utility bedding Estimated settlement of foundations ■ Recommendations for design and backfill construction of floor slabs ■ Seismic site classification (IBC) ■ Subgrade preparation/earthwork recommendations ■ Foundation design Recommended pavement options and construction recommendations for drilled straight shafts ■ LPILE design parameters and analysis (If requested) ■ D50 and D90 values for scour analysis In addition to be performed by others ■ Design guidelines for rigid pavements If the location of services noted above, the detention pond is not determined prior to issuance of our following are often associated with geotechnical engineering reportservices. Fees for services noted above do not include the following: testing, Terracon plans to issue a supplemental report with the following recommendations: ■ Detention pond construction considerations ■ Global stability analysis for pond slopes (one cross-section) under short-termsite preparation, long-termfoundation, and rapid drawdown pavement construction. This allows a more comprehensive understanding of subsurface conditions ■ General discussion on slope protection and erosion control for necessary documentation of construction, to confirm and/or modify (when necessary) the detention pondassumptions and recommendations made by our engineers.

Laboratory Testing. The soil samples obtained during the field exploration program will be transported to the laboratory for classification and a limited number of laboratory tests. The nature and extent of the laboratory testing program is at the discretion of ▇▇▇▇▇▇ Engineering, Inc. and will depend upon the subsurface conditions encountered during drilling. Laboratory testing will be performed in accordance with ASTM procedures and may include examination of selected samples to evaluate the soils’ index properties and relative strength characteristics. Based on the proposed quantity of soil borings, anticipated depths, and project engineer will review field data and assign type, a list of the anticipated laboratory tests to understand are summarized below. LABORATORY TEST ESTIMATED QUANTITY PHASE 1 ESTIMATED QUANTITY PHASE 2 SAMPLE TYPE Hydrometer 3 6 Split spoon, bulk, or Shelby Tube Natural Moisture Content 80 128 Cohesive Samples Organic Content 10 10 Split spoon, bulk, or Shelby Tube Upon completion of field and laboratory work, ▇▇▇▇▇▇ will prepare a geotechnical engineering report using the engineering properties of various soil stratacollected data. The anticipated laboratory testing may geo report will include the following: ■ Moisture content ■ Dry unit weight ■ Atterberg Limits ■ Percent finer than No. 200 sieve ■ Unconfined compressive strength ■ Unconsolidated Undrained Triaxial ■ Consolidated undrained triaxial test ■ Specific gravity ■ Grain size distribution: sieve • Summary of client-provided project information and hydrometer ■ Crumb test ■ Double hydrometer Our laboratory testing program includes examination report basis • Overview of soil samples by an engineer. Based on the results encountered subsurface conditions • Overview of our field and laboratory programstests performed including results • Geotechnical recommendations pertaining to: • Subgrade preparation and stability recommendations • Construction considerations, including temporary excavation and construction control of water ▇▇▇▇▇▇ proposes to initiate work on this project within 5 working days after receiving written authorization to proceed and we will describe follow the schedule below in order to complete the project: Utility clearance and classify soil samples rig mobilization 10 Field work including site layout and drilling 5 Laboratory Testing 10 Preparation of the Geotechnical Report 10 Project schedules can be affected by weather conditions and changes in accordance with scope. If the Unified Soil Classification System (USCS)report needs to be delivered by a specific day, please notify us as soon as possible. Results Preliminary verbal recommendations can be made to appropriate parties upon completion of our the field investigation and laboratory programs testing. ▇▇▇▇▇▇ will be evaluated by need to receive a professional engineer. The engineer will develop a geotechnical site characterization, perform the engineering calculations necessary to develop appropriate geotechnical engineering design criteria for earth-related phases signed copy of the project. Your project will be delivered using our GeoReport® system. Upon initiation, we provide you and your design team the necessary link and password to access the website (if not previously registered). Each project includes a calendar to track the schedule, an interactive site map, a listing of team members, access to the project documents as they are uploaded to the site, and a collaboration portal. The typical delivery process includes the following: ■ Project Planning – Cost estimate information, schedule and anticipated exploration plan will be posted for review and verification ■ Site Characterization – Findings of the site exploration ■ Geotechnical Engineering – Recommendations and geotechnical engineering report When utilized, our collaboration portal documents communication, eliminating the need for long email threads. This collaborative effort allows prompt evaluation and discussion of options related to the design and associated benefits and risks of each option. With the ability to inform all parties as the work progresses, decisions and consensus can be reached faster. In some cases, only minimal uploads and collaboration will be required, because options for design and construction are limited or unnecessary. This is typically the case for uncomplicated projects with no anomalies found at the site. When services are complete, we upload a printable version of our completed geotechnical engineering report, including the professional engineer’s seal and signature, which documents our services. Previous submittals, collaboration and the report are maintained in our system. This allows future reference and integration into subsequent aspects of our services as the project goes through final design and construction. The geotechnical engineering report will provide the following: ■ Boring logs with field and laboratory data ■ Stratification based on visual soil classification ■ Groundwater levels observed during drilling and sampling ■ Groundwater levels observed in the piezometers ■ Site and boring location plans ■ Subsurface exploration procedures ■ Description of subsurface conditions ■ Temporary groundwater control and excavation considerations ■ Utility bedding and backfill ■ Subgrade preparation/earthwork recommendations ■ Foundation design and construction recommendations for drilled straight shafts ■ LPILE design parameters and analysis (If requested) ■ D50 and D90 values for scour analysis to be performed by others ■ Design guidelines for rigid pavements If the location of the detention pond is not determined this proposal intact prior to issuance of our geotechnical engineering report, Terracon plans to issue a supplemental report with mobilizing the following recommendations: ■ Detention pond construction considerations ■ Global stability analysis for pond slopes (one cross-section) under short-term, long-term, and rapid drawdown conditions ■ General discussion on slope protection and erosion control for the detention ponddrill rig.