Common use of SUBSURFACE UTILITY ENGINEERING Clause in Contracts

SUBSURFACE UTILITY ENGINEERING. Subsurface Utility Engineering services includes utility investigations subsurface and above ground prepared in accordance with AASHTO standards and Utility Quality Levels as defined in the Utilities Section of the Design Criteria Manual. Based on the review of existing utilities and proposed roadway design, bridge design, drainage design, and other potential conflicts for utilities, the Utility Coordinator will recommend required test holes after completion of 60% conflict assessment. The Utility Coordinator will coordinate with the appropriate Utility Owner to utilize internal work forces toperformrequiredtestholesfor verification of its facilities. If requested, the Utility Coordinator will coordinate with the County and/or its Designated Representative to provide the required test holes. A sketch of the area to be included for the proposed test hole locations “Level A” will be provided prior to the start of the work and must be approved by the County and/or its Designated Representative. The County or its Designated Representative will provide comments or approval of test hole plan within five (5) business days. 4.1. Subsurface Utility Designate Service (Quality Level B). Designate means to indicate the horizontal location of underground utilities by the application and interpretation of appropriate non-destructive surface geophysical techniques and reference to established survey control. Designate (Quality Level B) Services are inclusive of Quality Levels C and D. The Utility Coordinator shall: 4.1.1. As requested by the County, compile "As Built" information from plans, plats and other location data as provided by the utility owners. 4.1.2. Coordinate with utility owner when utility owner's policy is to designate their own facilities at no cost for preliminary survey purposes. The Utility Coordinator will examine utility owner's work toensure accuracy and completeness. 4.1.3. Designate, record and mark the horizontal location of the existing utility facilities and their service laterals to existing buildings using non-destructive surface geophysical techniques. No storm sewer facilities are to be designated unless authorized by the County. Anon-water base paint, utilizing the APWA colorcode scheme, must be used on all surface markings of underground utilities. 4.1.4. Correlate utility owner records with designating data and resolve discrepancies using professional judgment. A color-coded composite utility facility plan with utility owner names, quality levels, line sizes and subsurface utility locate(test hole) locations, if applicable will be prepared and delivered to the County or its Designated Representative. It is understood by both the Utility Coordinator and the County that the line sizes of designated utility facilities detailed on the deliverable are from the best available records and that an actual line size is normally determined from a test hole vacuum excavation. A note must be placed on the designate deliverable only that states "lines sizes are from best available records". All above ground appurtenance locations must beincluded in thedeliverable to the County. This information will be provided in Microstation, Geopak or other applicable County/County's Design Consultant CADD system. The electronic file will be uploaded to Project Wise. A hard copy is required and must be sealed and dated by the Utility Coordinator. When requested by the County or its Designated Representative, the designated utility information must beover laid onthe County design plans. 4.1.5. Determine and inform the County of the approximate utility depths at critical locations as determined by the County or its Designated Representative. This depth indication is understood by both the Utility Coordinator and the County and its Designated Representative to be approximate only. 4.1.6. Clearly identify all utilities that were discovered from quality levels C and D investigation but cannot be depicted in quality level B standards. These utilities must have a unique line style and symbology in the designate (Quality Level B) deliverable. 4.2. Subsurface Utility Locate (Test Hole) Service (Quality Level A). Locate means to obtain precise horizontal and vertical position, material type, condition, size and other data that may be obtainable about the utility facility and its surrounding environment through exposure by nondestructive excavation techniques that ensures the integrity of the utility facility. All test holes will be tied to project survey control provided by the County or its Designated Representative. Subsurface Utility Locate (Test Hole) Services (Quality Level A) are inclusive of Quality Levels B, C, and D. The Utility Coordinator shall: 4.2.1. Review requested test hole locations and advise the County and/or its Designated Representative in the development of an appropriate locate (test hole) work plan relative to the existing utility infrastructure and proposed highway design elements. 4.2.2. Coordinate with utility owner inspectors as may be required by law or utility owner policy 4.2.3. Neatly cut and remove existing pavement material, such that the cut not exceed 1 square foot unless unusual circumstances exist. 4.2.4. Measure and record the following data, as required, on an appropriately formatted test hole data sheet and upload to design project folder in ProjectWise. 4.2.4.1. Elevation of top and/or bottom of utility tied to the datum of the furnished plan.

SUBSURFACE UTILITY ENGINEERING. Subsurface Utility Engineering services includes utility investigations subsurface and above ground prepared in accordance with AASHTO standards ASCE/CI 38-22 [(▇▇▇▇://▇▇▇.▇▇▇▇.▇▇▇.▇▇▇/programadmin/asce.cfm)] and Utility Quality Levels as defined in the Utilities Section of the Design Criteria Manual. Based on the review of existing utilities and proposed roadway design, bridge design, drainage design, and other potential conflicts for utilities, the Utility Coordinator will recommend required test holes after completion of 60% conflict assessment. The Utility Coordinator will coordinate with the appropriate Utility Owner to utilize internal work forces toperformrequiredtestholesfor verification of its facilities. If requested, the Utility Coordinator will coordinate with the County and/or its Designated Representative to provide the required test holes. A sketch of the area to be included for the proposed test hole locations “Level A” will be provided prior to the start of the work and must be approved by the County and/or its Designated Representative. The County or its Designated Representative will provide comments or approval of test hole plan within five (5) business daysLevels. 4.1. Subsurface Utility A. Designate Service (Quality Level B). ) Designate means to indicate the horizontal location of underground utilities by the application and interpretation of appropriate non-non- destructive surface geophysical techniques and reference to established survey control. Designate (Quality Level B) Services are inclusive of Quality Levels C and D. It is assumed that 18,500 LF of QL B designates will be required: 7,000 LF FM 2759 9,500 LF Along neighborhood 2,000 LF Along Sienna Ranch Rd The Utility Coordinator shall: 4.1.1. As requested by the County, compile "As Built" information from plans, plats and other location data as provided by the utility owners. 4.1.2. Coordinate with utility owner when utility owner's policy is to designate their own facilities at no cost for preliminary survey purposes. The Utility Coordinator will examine utility owner's work toensure accuracy and completeness. 4.1.3. Engineer must: Designate, record record, and mark the horizontal location of the existing utility facilities and their service laterals to existing buildings using non-non- destructive surface geophysical techniques. No Using both active and passive scans to attempt to locate any additional utilities, including unrecorded and abandoned storm and sanitary sewer facilities are to be designated unless authorized by facilities, at the direction of the County. Anon-water base paint, utilizing the APWA colorcode scheme, must may be used on all surface markings of underground utilities. 4.1.4. investigated using additional methods such as rodding that would then classify them as Quality Level B. Correlate utility owner records with designating data and resolve discrepancies using professional judgment. A The Utility Engineer must prepare and deliver to the County a color-coded composite utility facility plan with utility owner names, quality levels, line sizes and subsurface utility locate(test locate (test hole) locations, if applicable will be prepared . The Utility Engineer and delivered to the County or its Designated Representative. It is understood by both the Utility Coordinator and the County acknowledge that the line sizes of designated utility facilities detailed on the deliverable are will be from the best available records and that an actual line size is normally determined from a test hole vacuum excavation. A note must be placed on the designate deliverable only that states "lines sizes are from best available records". All above above-ground appurtenance utility feature locations must beincluded be included in thedeliverable the deliverable to the County. This information will be provided in Microstation, Geopak or other applicable County/County's Design Consultant CADD system. The electronic file will be uploaded to Project Wise. A hard copy is required and must be sealed and dated by the Utility Coordinator. When requested by the County or its Designated Representative, the designated utility information must beover laid onthe County design plans. 4.1.5. Determine and inform the County of the approximate utility depths at critical locations as determined by the County or its Designated Representative. This depth indication is understood by both the Utility Coordinator and the County and its Designated Representative to be approximate only. 4.1.6. Clearly identify all utilities that were discovered from quality levels Quality Levels C and D investigation but cannot be depicted in quality level Quality Level B standards. These utilities must have a unique line style and symbology in the designate (Quality Level B) deliverable. 4.2. Subsurface Utility B. Locate (via Test Hole) Service Holes (Quality Level A). ) Locate means is the process used to obtain precise horizontal and vertical position, material type, condition, size size, and other data that may be obtainable about the utility facility and its surrounding environment through exposure by nondestructive non-destructive excavation techniques that ensures the integrity of the utility facility. All test holes will be tied to project survey control provided by the County or its Designated Representative. Subsurface Utility Locate (Test Hole) Services (Quality Level A) are inclusive of Quality Levels B, C, and D. It is assumed that 15 QL A Test Holes will be required: 3 MUDS assume 2 TH/MUD = 6 total DOW Pipeline assume 2 THs ▇▇▇▇▇▇▇▇ ▇▇▇▇▇▇▇ Pipeline 1 TH Conoco Pipeline (abandoned) 1 TH abandoned pipelines can still be a conflict we might want to identify Assume an additional 5 TBD The Utility Coordinator shall: 4.2.1. Review requested test hole locations and advise the County and/or its Designated Representative in the development of an appropriate locate (test hole) work plan relative to the existing utility infrastructure and proposed highway design elements. 4.2.2. Engineer must: Deliverables: Coordinate with utility owner inspectors as may be required by law or utility owner policy 4.2.3. Place Texas 811 ticket 48 hours prior to excavation. Neatly cut and remove existing pavement material, such that the cut does not exceed 1 0.10 square foot meters (1.076 square feet) unless unusual circumstances exist. 4.2.4. Measure and record the following data, as required, data on an appropriately formatted test hole data sheet that has been sealed and upload to design project folder in ProjectWise.dated by the Engineer: 4.2.4.11. Elevation of top and/or bottom of utility tied to the datum of the furnished plan. 2. Minimum of two benchmarks utilized. Elevations must be within an accuracy of 15mm (.591 inches) of utilized benchmarks.

SUBSURFACE UTILITY ENGINEERING. Subsurface Utility Engineering services includes utility investigations subsurface and above ground prepared in accordance with AASHTO standards and Utility Quality Levels as defined in the Utilities Section of the Design Criteria Manual. Based on the review of existing utilities and proposed roadway design, bridge design, drainage design, and other potential conflicts for utilities, the Utility Coordinator will recommend required test holes after completion of 60% conflict assessment. The Utility Coordinator will coordinate with the appropriate Utility Owner to utilize internal work forces toperformrequiredtestholesfor toperform required testholes for verification of its facilities. If requested, the Utility Coordinator will coordinate with the County and/or its Designated Representative to provide the required test holes. A sketch of the area to be included for the proposed test hole locations “Level A” will be provided prior to the start of the work and must be approved by the County and/or its Designated Representative. The County or its Designated Representative will provide comments or approval of test hole plan within five (5) business days. 4.1. Subsurface Utility Designate Service (Quality Level B). Designate means to indicate the horizontal location of underground utilities by the application and interpretation of appropriate non-destructive surface geophysical techniques and reference to established survey control. Designate (Quality Level B) Services are inclusive of Quality Levels C and D. The Utility Coordinator shall: 4.1.1. As requested by the County, compile "As Built" information from plans, plats and other location data as provided by the utility owners. 4.1.2. Coordinate with utility owner when utility owner's policy is to designate their own facilities at no cost for preliminary survey purposes. The Utility Coordinator will examine utility owner's work toensure to ensure accuracy and completeness. 4.1.3. Designate, record and mark the horizontal location of the existing utility facilities and their service laterals to existing buildings using non-destructive surface geophysical techniques. No storm sewer facilities are to be designated unless authorized by the County. Anon-water base paintbasepaint, utilizing the APWA colorcode color code scheme, must be used on all surface markings of underground utilities. 4.1.4. Correlate utility owner records with designating data and resolve discrepancies using professional judgment. A color-coded composite utility facility plan with utility owner names, quality levels, line sizes and subsurface utility locate(test hole) locations, if applicable will be prepared and delivered to the County or its Designated Representative. It is understood by both the Utility Coordinator and the County that the line sizes of designated utility facilities detailed on the deliverable are from the best available records and that an actual line size is normally determined from a test hole vacuum excavation. A note must be placed on the designate deliverable only that states "lines sizes are from best available records". All above ground appurtenance locations must beincluded be included in thedeliverable the deliverable to the County. This information will be provided in Microstation, Geopak OpenRoads Designer or other applicable County/County's Design Consultant CADD system. The electronic file will be uploaded to Project Wise. A hard copy is required and must be sealed and dated by the Utility Coordinator. When requested by the County or its Designated Representative, the designated utility information must beover be over laid onthe on the County design plans. 4.1.5. Determine and inform the County of the approximate utility depths at critical locations as determined by the County or its Designated Representative. This depth indication is understood by both the Utility Coordinator and the County and its Designated Representative to be approximate only. 4.1.6. Clearly identify all utilities that were discovered from quality levels C and D investigation but cannot be depicted in quality level B standards. These utilities must have a unique line style and symbology in the designate (Quality Level B) deliverable. 4.2. Subsurface Utility Locate (Test Hole) Service (Quality Level A). Locate means to obtain precise horizontal and vertical position, material type, condition, size and other data that may be obtainable about the utility facility and its surrounding environment through exposure by nondestructive excavation techniques that ensures the integrity of the utility facility. All test holes will be tied to project survey control provided by the County or its Designated Representative. Subsurface Utility Locate (Test Hole) Services (Quality Level A) are inclusive of Quality Levels B, C, and D. The Utility Coordinator shall: 4.2.1. Review requested test hole locations and advise the County and/or its Designated Representative in the development of an appropriate locate (test hole) work plan relative to the existing utility infrastructure and proposed highway design elements. 4.2.2. Coordinate with utility owner inspectors as may be required by law or utility owner policy 4.2.3. Neatly cut and remove existing pavement material, such that the cut not exceed 1 square foot unless unusual circumstances exist. 4.2.4. Measure and record the following data, as required, on an appropriately formatted test hole data sheet and upload to design project folder in ProjectWise. 4.2.4.1. Elevation of top and/or bottom of utility tied to the datum of the furnished plan.