Agmt23 BKF Engineers Price Tract Pump Station

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REV: 11-07-23 SK 2. Consultant’s team will notify Underground Service Alert to mark the underground utilities in the exploration area; however, BAGG cannot be responsible for any unanticipated conflicts of the borings with the existing underground utilities that have not been properly marked, or the resulting damage. Therefore, BAGG will rely on assistance from the City in the identification of the existing utilities within the exploration area. Please provide to this office all existing as-built utility plans that may be available. As an add alternate, an underground utility locator can be hired to help clear the boring location. 3. The drilling duration and the related fee is an estimate; variation can and sometimes do occur; therefore, it is possible for the drilling duration to exceed the estimate provided by Pitcher Drilling Company. If so, the difference will be billed following a change order request. 4. The fee for the disposal of the drum contents is an estimate; should environmental profiling of the drum content conclude that the cuttings are hazardous in nature, disposal fees and the required special handling of the drums may vary from the estimate provided depending on the nature of the detected contaminants and the disposal site. Any overage will be transferred to the client following a change order request. 5. Special provisions to deal with or handle contaminated drill cuttings or groundwater, or the need for personal protective gear pertinent to unknown site contaminants other than Level D equipment (safety boots, hard hat, gloves, & goggles) are not included. 6. The presented estimate for the site exploration is for work during normal business hours; please note that the rates for work on Saturdays and Sundays or after hours in normal workdays will be higher. 7. This optional task does not include the site characterization from a geotechnical point of view as this is covered in other tasks. OPTIONAL TASK 12: OUTFALL REPLACEMENT 1. Conceptual Layout: Concurrent with Task 4, Consultant will perform outfall apron sizing calculations and develop a preliminary outfall structure and apron layout. Given the regulatory requirements are not yet defined, this optional task assumes that the outfall structure will be replaced in kind with a simple, reinforced concrete headwall structure around the new pipe and a new riprap apron sized based on the required discharge pipe size and the impacted area of the bank will not require a planting plan. Geotechnical mitigation measures or bank stabilization measures and not anticipated to be required; areas of the bank are assumed to be backfilled with onsite fill. Irrigation of the bank is not anticipated. The improvements are not anticipated to reduce the flow area in the channel, so modeling of Redwood Creek is not included. BCA will assist with conceptual layout of the new outfall structure. ATTY/AGR.2023.241/BKF Engineers (Price Tract Pump Station Design) (Page 43 of 68)