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CITY OF EVERETT SPECIAL PROVISIONS <br /> <br />Water Main Replacement “Y” – Ph 2 Div 1 – GEN REQUIREMENTS October 2025 <br />Work Order No. UP 3814 SP-68 <br />Category 2: Sensitive information <br />Category 2: For official use only / disclosure permissible by law. <br />Any staking requirements for the Project that do not fit field conditions will be reviewed <br />and if necessary adjusted by the Engineer. Any necessary revisions to the staking <br />information will be provided to the Contractor for use in completing the Work. <br />Stakes, marks, and other reference points, including existing monumentation, set by the <br />City shall be carefully preserved by the Contractor. The Contractor will be charged for <br />the costs of replacing stakes, markers and monumentation that were not to be disturbed <br />but were destroyed or damaged by the Contractor's operations. This charge will be <br />deducted from monies due or to become due to the Contractor. <br />To facilitate the establishment of these lines and elevations, the City will provide the <br />Contractor with the following survey control: <br />ROADWAY, SURFACING AND PAVING <br />Establish elevation benchmarks and center or base line alignment control <br />points for the mainline, one time only. Provide right of way stakes where <br />applicable. <br />Provide rights-of-way, easements, or right-of-entry. <br />Provide the Contractor with technical advice if requested. <br />Computed grades where needed. <br />Provide horizontal and vertical curve data. <br />One copy of transit notes showing reference to horizontal and vertical control <br />points. <br />OTHER STRUCTURES <br />Centerline or offset coordinates to centerline of the structure. <br />A sufficient number of benchmarks for levels to enable the Contractor to set <br />grades at reasonably short distances. <br />Monuments and control points as shown on the Plans. <br />The Contractor shall give the City three weeks notification to allow adequate <br />time to provide the above data. <br />The Contractor shall ensure a surveying accuracy within the following tolerances: <br />1. Slope stakes ±0.1 foot <br />2. Subgrade blue tops ±0.01 foot <br />3. Stationing ±0.01 foot <br />4. Alignment ±0.01 foot <br />5. Surfacing red & yellow tops ±0.01 foot <br />6. Superstructure elevations ±0.01 foot (from plan elevations) <br />7. Substructure ±0.02 foot (from plan elevations) <br />The Contractor shall slope stake the roadway before any construction may proceed. <br />Slope stakes shall be set at 50' maximum intervals on tangents and 25’ on curves. <br />Subgrade bluetops and surfacing red and yellow tops shall be set at 50' intervals in <br />tangent sections, 25' intervals in curve sections, and 10' intervals in intersection radii. <br />The Contractor's surveyor shall be a licensed surveyor in the State of Washington. The <br />Contractor shall keep updated survey field notes in a standard field book and in a format <br />set by the Engineer. These field notes shall include all survey work performed by the