Common use of GEOTECHNICAL BORING INFORMATION Clause in Contracts

GEOTECHNICAL BORING INFORMATION. The Engineer shall determine the location of proposed soil borings for bridge design, embankments, retaining walls, slope stability, and setting piezometers, if required. Boring depths and locations will be in accordance with the latest edition of the State’s Geotechnical Manual. The State will review and provide comments for a boring layout submitted by the Engineer showing the general location and depths of the proposed borings. Once the Engineer receives the State’s review comments they shall perform soil borings (field work), soil testing and prepare the boring logs in accordance with the latest edition of the State’s Geotechnical Manual and State District’s procedures and design guidelines. A. All geotechnical work should be performed in accordance with the latest version of the State’s Geotechnical Manual. All testing shall be performed in accordance with the latest version of the State’s Manual of Test Procedures. American Society for Testing Materials (ASTM) test procedures can be used only in the absence of the State’s procedures. All soil classification should be done in accordance with the Unified Soil Classification System. B. The Engineer shall perform any retaining wall analyses to include the settlement analysis. This analysis must include the computation of the factor of safety for bearing capacity, global stability, overturning and sliding. In addition, the Engineer shall include allowable bearing pressure, passive earth pressure, friction factor, settlement analysis (consolidation report) and lateral earth pressure for the retaining walls. C. The Engineer shall perform soil borings, coring for pavement removal items, piezometric readings, testing and analysis to include slope stability analysis, settlement analysis, and foundation design recommendations along storm drain alignment, retaining walls, embankments and any temporary soil retaining systems. DocuSign Envelope ID: F43CDC74-DA27-4A02-AC2A-90D8CB2811D6

GEOTECHNICAL BORING INFORMATION. The Engineer shall determine the location of proposed soil borings for bridge design, embankmentsembankment settlement analysis, retaining walls, slope stability, stability and setting piezometers, if required. Boring depths and locations will be along storm drain alignment in accordance with the latest edition of the State’s Geotechnical Manual. The State will review and provide comments for a boring layout submitted by the Engineer showing the general location and depths of the proposed borings. Once the Engineer receives the State’s review comments they shall perform soil borings (field work), soil testing and prepare the boring logs in accordance with the latest edition of the State’s Geotechnical Manual and State District’s procedures and design guidelines. A. All geotechnical work should be performed in accordance with the latest version of the State’s Geotechnical Manual. All testing shall be performed in accordance with the latest version of the State’s Manual of Test Procedures. American Society for Testing Materials (ASTM) test procedures can be used only in the absence of the State’s procedures. All soil classification should be done in accordance with the Unified Soil Classification System. B. The If applicable, the Engineer shall perform any retaining wall analyses to include the settlement analysis. This analysis must include the computation of the factor of safety for bearing capacity, global stability, overturning and sliding. In addition, the Engineer shall include allowable bearing pressure, passive earth pressure, friction factor, settlement analysis (consolidation report) and lateral earth pressure for the retaining walls. C. The If applicable, the Engineer shall perform soil borings, coring for pavement removal items, piezometric readings, testing and analysis to include slope stability analysis, settlement analysis, and foundation design recommendations along storm drain alignment, retaining walls, overhead sign structures, bridges, embankments and any temporary soil retaining systems. D. The Engineer shall provide a signed, sealed and dated geotechnical report which contains, but is not limited to, soil boring locations, boring logs, laboratory test results, generalized subsurface conditions, ground water conditions, piezometer data, analyses and recommendations for settlement and slope stability of the earthen embankments, skin friction tables and design capacity curves including skin friction and point bearing. DocuSign Envelope ID: F43CDC74-DA27-4A02-AC2A-90D8CB2811D6The skin friction tables and design capacity curves must be present for piling and drilled shaft foundation. E. If applicable, the Engineer shall perform scour analysis to include Grain Size distribution curves with D50 value. F. The Engineer shall sign, seal and date soil boring sheets to be used in the PS&E package. The preparation of soil boring sheets must be in accordance with a State’s District standards.

GEOTECHNICAL BORING INFORMATION. The Engineer shall determine the location of proposed soil borings for bridge design, embankmentsembankment settlement analysis, retaining walls, slope stability, and along storm drain alignment; determining existing pavement section; new pavement section design; setting piezometers, if required. Boring depths and locations will be in accordance with the latest edition of the State’s Geotechnical Manual. The State will review and provide comments for a boring layout submitted by the Engineer showing the general location and depths of the proposed borings. Once the Engineer receives the State’s review comments they the Engineer shall perform soil borings (field work), soil testing and prepare the boring logs in accordance with the latest edition of the State’s Geotechnical Manual and State District’s procedures and design guidelines. A. All geotechnical work should must be performed in accordance with the latest version of the State’s Geotechnical Manual. All testing shall be performed in accordance with the latest version of the State’s Manual of Test Procedures. American Society for Testing Materials (ASTM) test procedures can be used only in the absence of the State’s procedures. All soil classification should must be done in accordance with the Unified Soil Classification System. B. The Engineer shall perform any retaining wall analyses to include the settlement analysis. This analysis must include the computation of the factor of safety for bearing capacity, global stability, overturning and sliding. In addition, the Engineer shall include allowable bearing pressure, passive earth pressure, friction factor, settlement analysis (consolidation report) and lateral earth pressure for the retaining walls. C. The Engineer shall perform soil borings, coring for pavement removal items, piezometric readings, testing and analysis to include slope stability analysis, settlement analysis, and foundation design recommendations along storm drain alignment, retaining walls, embankments and any temporary soil retaining systems. DocuSign Envelope ID: F43CDC74-DA27-4A02-AC2A-90D8CB2811D6.

GEOTECHNICAL BORING INFORMATION. The Engineer shall determine the location of proposed soil borings for bridge design, embankmentsembankment settlement analysis, retaining walls, pavement, large sign / high mast illumination foundations, slope stability, stability and setting piezometers, if required. Boring depths and locations will be along storm drain alignment in accordance with the latest edition of the State’s Geotechnical Manual. The State will review and provide comments for a boring layout submitted by the Engineer showing the general location and depths of the proposed borings. Once the Engineer receives the State’s review comments they shall perform soil borings (field work), soil testing and prepare the boring logs in accordance with the latest edition of the State’s Geotechnical Manual and State District’s procedures and design guidelines. A. The Engineer shall undertake the following drilling program: DocuSign Envelope ID: D0E29F2F-2A8C-4E32-A9B8-8EFA82530B8F B. All geotechnical work should be performed in accordance with the latest version of the State’s Geotechnical Manual. All testing shall be performed in accordance with the latest version of the State’s Manual of Test Procedures. American Society for Testing Materials (ASTM) test procedures can be used only in the absence of the State’s procedures. All soil classification should be done in accordance with the Unified Soil Classification System. B. The C. If applicable, the Engineer shall perform any retaining wall analyses to include the settlement analysis. This analysis must include the computation of the factor of safety for bearing capacity, global stability, overturning and sliding. In addition, the Engineer shall include allowable bearing pressure, passive earth pressure, friction factor, settlement analysis (consolidation report) and lateral earth pressure for the retaining walls. If required, the Engineer shall provide recommendations for subgrade modifications or other appropriate mitigation measures for necessary wall foundation improvements. In accordance with the TxDOT Geotechnical Manual, retaining wall recommendations shall only be provided by the Engineer for walls taller than 10 ft. The Engineer shall evaluate walls shorter the 10-ft on a case-by-case basis. The Geotechnical Report recommendations shall be in accordance with TxDOT Standard Specification Item 423, “Retaining Walls”, and applicable standard retaining wall drawings. The report shall specifically note if modifications are required to either the specification or standard drawings. No additional walls are anticipated to address proposed slopes steeper than 4:1. Instead, slope stabilization through soil admixtures, such as geo-grids, fibers or soil-cement, or rip-rap will be utilized if necessary based on geotechnical recommendations. C. D. The Engineer shall perform soil borings, coring for pavement removal items, piezometric readings, testing and analysis to include slope stability analysis, settlement analysis, soil survey for pavement design, and foundation design recommendations along storm drain alignment, retaining walls, overhead sign structures / illumination, bridges, embankments and any temporary soil retaining systems. The Engineer shall contact the appropriate utility location services to have underground utilities located prior to drilling in an area. The Engineer shall perform site clearing, as necessary, for soil boring access and drilling rig pad site. E. The Engineer shall provide a signed, sealed and dated geotechnical report which contains, but is not limited to, soil boring locations, boring logs, laboratory test results, generalized subsurface conditions, ground water conditions, piezometer data, analyses and recommendations for settlement and slope stability of the earthen embankments, skin friction tables and design capacity curves including skin friction and point bearing. The skin friction tables and design capacity curves must be present for piling and drilled shaft foundation. F. The Engineer shall provide Grain Size distribution curves with D50 values at Xxxxxx Creek. If the bridge borings on Xxxxxx Creek indicate rock, the Engineer shall include a Rock Quality Designation (RQD) for each of the borings provided in this area to determine the stability of the rock for use during scour analysis. G. The Engineer shall sign, seal and date soil boring sheets to be used in the PS&E package. The preparation of soil boring sheets must be in accordance with a State’s District standards. DocuSign Envelope ID: F43CDC74D0E29F2F-2A8C-4E32-DA27A9B8-4A02-AC2A-90D8CB2811D68EFA82530B8F