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<br />This is Task Order No. 1, Amendment 23, consisting of 8 pages. <br />URS Corporation Task Order No. 1, Amendment 23 <br />Phase 1 Cultural Resources Investigations <br />In accordance with Paragraph 1.01 of the Agreement between Fargo-Moorhead Flood Diversion Authority <br />(“Owner”) and URS Corporation (“Engineer”) for Professional Services – Task Order Edition, dated March 14, 2013 <br />("Agreement"), Owner and Engineer agree as follows: <br />The parties agree that in the event of a conflict between prior versions of this Task Order No. 1 and this <br />Amendment, the terms and conditions in this Amendment shall prevail, provided however, nothing herein shall <br />preclude ENGINEER from invoicing for work authorized under prior versions of this Task Order and performed prior <br />to effective date of this Amendment, even to the extent such prior work was revised by this Amendment. All other <br />terms and conditions shall remain the same and are hereby ratified and affirmed by the parties. <br /> <br />1. SPECIFIC PROJECT DATA <br />A. Title: Phase 1 Cultural Resources Investigations <br />B. Description: Complete the cultural resources investigation of the Diversion Channel that was <br />started in prior years. Perform investigations of additional locations identified due to project <br />footprint changes and identification of excavated material piles and construction staging areas. <br />2. SERVICES OF ENGINEER <br />A. MANAGEMENT AND COORDINATION – Conduct Phase I cultural resources investigations in <br />accordance with the following stipulations: <br />I. Engineer’s key personnel shall meet the Secretary of the Interiors Professional <br />Qualification Standards for Archaeology and Architectural History: <br />a. Principal investigator <br />b. Field and laboratory supervisor <br />c. Field crew chiefs <br />II. Obtain cultural resources permits from Minnesota and North Dakota, as appropriate. <br />III. Conduct a survey of project area by pedestrian examination, documenting <br />prehistoric and historic archaeological sites, as well as standing structures. <br />IV. Establish and follow a health and safety program. <br />V. Conduct subsurface testing: <br />a. In areas where surface visibility is less than 30 percent or where the <br />potential exists for buried cultural resources. <br />b. Include shovel testing, coring, soil borings, cutbank profiling, or other <br />appropriate methods. <br />c. Use a subsurface testing interval of 15 m (50 ft). <br />d. Excavate shovel tests to at least 60 cm (2 ft) or the C horizon. <br />e. Conduct hand soil cores to at least 1 m (3 ft), spaced at 15 m (50 ft) <br />intervals. <br />f. Conduct deep testing using a 2-inch-diameter or larger coring device or <br />bucket auger at river crossings to 3 m (10 ft). <br />g. Screen excavated materials through ¼-inch mesh or smaller hardware <br />cloth. <br />URS_TO-01-A03_Long.docx 1 <br />DR <br />A <br />F <br />T