Common use of Geotechnical Borings and Investigations Clause in Contracts

Geotechnical Borings and Investigations. The Engineer shall determine the location of proposed soil borings for bridge design, embankment settlement analysis, retaining walls, slope stability and 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. • When performing geotechnical work, Engineer shall perform such work inaccordance 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 must be done in accordance with the Unified Soil Classification System. • 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 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 DocuSign Envelope ID: E7DAA847-BF7C-44E6-B32B-712DD5062C72 alignment, retaining walls, overhead sign structures, bridges, embankments and any temporary soil retaining systems. • 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. • If applicable, the Engineer shall perform scour analysis to include Grain Size distribution curves with D50 value. • 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 Borings and Investigations. The Engineer shall determine the location of proposed soil borings for bridge design, embankment settlement analysis, retaining walls, slope stability and along storm drain DocuSign Envelope ID: 81680129-218F-4A62-86EE-68C3C135A630 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. • When performing All geotechnical work, Engineer shall perform such work inaccordance 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 must should be done in accordance with the Unified Soil Classification System. • 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 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 DocuSign Envelope ID: E7DAA847-BF7C-44E6-B32B-712DD5062C72 alignment, retaining walls, overhead sign structures, bridges, embankments and any temporary soil retaining systems. • 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. • If applicable, the Engineer shall perform scour analysis to include Grain Size distribution curves with D50 value. • 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 Borings and Investigations.  The Engineer shall determine the location of proposed soil borings for bridge design, embankment settlement analysis, retaining walls, slope stability and 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. •  When performing geotechnical work, Engineer shall perform such work inaccordance 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 must be done in accordance with the Unified Soil Classification System. •  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 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 DocuSign Envelope ID: E7DAA84732531276-BF7C-44E6D54D-42BA-B32B-712DD5062C72 B8CD-1FFE51D0946F alignment, retaining walls, overhead sign structures, bridges, embankments and any temporary soil retaining systems. •  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. •  If applicable, the Engineer shall perform scour analysis to include Grain Size distribution curves with D50 value. •  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 Borings and Investigations. The Engineer will collect NDT data on the existing mainlanes and frontage roads, to determine the variations in subgrade support for the project limits. The NDT data will be used to estimate the in-situ subgrade and existing pavement strengths using the MODULUS back-calculation program. Existing pavement thickness values for the back-calculation analyses will be obtained from the geotechnical borings. The geotechnical borings will be located based on results of NDT data reduction. The Engineer shall determine the location of proposed soil borings for bridge design, embankment settlement analysis, retaining walls, slope stability stability, culverts,culvert and along storm drain alignment pavement 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. • When performing geotechnical work, The Engineer shall perform such work inaccordance coring of existing pavement for removal items only. The Engineer shall undertake the following drilling program: DRILLING PROGRAM Bridge Borings Bridge Location Assumption (Based on the information provided by CivilCorp and our past experience with IH-10 at Major Drive) No of Borings Boring Depth (feet) Ditch 505 Bridge Length is less than 300 feet 2 100' Xxxx Road Overpass Bridge Length is less than 900 feet 3 100' Xxxx Gully Bridge Length is less than 300 feet 2 100' Xxxxx Road Overpass Bridge Length is less than 900 feet 3 100' Willow Xxxxx Bayou Bridge Length is less than 300 feet 2 100' Xxxxxx Road Overpass Bridge Length is less than 900 feet 3 100' Xxxxxx Road Overpass Bridge Length is less than 900 feet 3 100' Total Bridge Borings 18 1800 Retaining Wall/Embankment Borings Retaining Wall/Embankment Location Assumption (Based on the latest version information provided by CivilCorp and our past experience with IH-10 at Major Drive) No of Borings Boring Depth (feet) Xxxx Road Overpass Six MSE walls at each bridge location including two abutment walls. 4X1100 feet long walls and 2X125 feet abutment walls at each bridge location. We combined borings for EB and XX Xxxxx at each location and proposing borings at 200-foot interval diagonally. Soft foundation soils are anticipated. Portion of the State’s Geotechnical ManualMSE walls may be founded on deep foundations. All testing shall 14 00 Xxxxx Xxxx Overpass 14 00 Xxxxxx Xxxx Overpass 14 00 Xxxxxx Xxxx Overpass Upgrading existing sloped embankments. No MSE Walls anticipated. Proposed Embankment Height will be performed in accordance with less than 25 feet. 2X1200 feet long embankments. Borings spaced at 200 feet intervals along the latest version embankments. 10 50 Total Retaining Wall Borings 52 2180 Culvert Borings Culvert Location Assumption No of the State’s Manual Borings Boring Depth (feet) Canal near Xxxxx Road Invert Depth will be 15-20 feet 1 30 0.2 miles South of Test Procedures. American Society for Testing Materials (ASTM) test procedures Xxxx Road Invert Depth will be 15-20 feet 1 30 0.2 miles South of Xxxx Gully Invert Depth will be 15-20 feet 1 30 200 feet South of Xxxxx Road A retaining wall boring can be used only in the absence utilized 0 - 0.8 miles north of the State’s proceduresXxxxx Road Invert Depth will be 15-20 feet 1 30 0.7 miles South of Xxxxxx Road Invert Depth will be 15-20 feet 1 30 Total Culvert Borings 5 150 Pavement Borings Pavement Boring Location Assumption No of Borings Boring Depth (feet) West and East Bound Main Lanes/Frontage Roada Borings will be spaced at 0.5 miles intervals. All soil classification must Boring depth will be done in accordance with the Unified Soil Classification System. • 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 15 feet 20 300 Total Pavement Borings 20 300 Total Drilling Footage (consolidation reportfeet) and lateral earth pressure for the retaining walls. • 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 413044304130 WAs Used DocuSign Envelope ID: E7DAA84756C9F445-BF7C-44E6711D-4155-B32B-712DD5062C72 alignment, retaining walls, overhead sign structures, bridges, embankments and any temporary soil retaining systems. • 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. • If applicable, the Engineer shall perform scour analysis to include Grain Size distribution curves with D50 value. • 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.8CAC-4A873A2298E4

Geotechnical Borings and Investigations. The Engineer shall determine the location of proposed soil borings for bridge design, embankment settlement analysis, retaining walls, slope stability and 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. • When performing All geotechnical work, Engineer shall perform such work inaccordance 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 must should be done in accordance with the Unified Soil Classification System. • 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 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 DocuSign Envelope ID: E7DAA847-BF7C-44E6-B32B-712DD5062C72 alignment, retaining walls, DocuSign Envelope ID: AAC8E920-9951-40B4-B77C-DDDA5AE10FF9 overhead sign structures, bridges, embankments and any temporary soil retaining systems. • 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. • If applicable, the Engineer shall perform scour analysis to include Grain Size distribution curves with D50 value. • 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.