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CITY OF EVERETT SPECIAL PROVISIONS <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 bench marks 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 bench marks 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 <br /> Contractor's surveyor in establishing line, grade and slopes for the construction work. <br /> Copies of these field notes shall be provided to the Engineer upon request and upon <br /> completion of the Contract Work; the field book shall be submitted to the Engineer and <br /> become property of the City. <br /> If the survey work provided by the Contractor does not meet the standards of the <br /> Engineer, then the Contractor shall, upon the Engineer's written request, remove the <br /> individual or individuals doing the survey work and the survey work will be completed by <br /> the Engineer at the Contractor's expense. Costs for completing the survey work required <br /> by the Engineer will be deducted from monies due or to become due the Contractor. <br /> The City may spot-check the Contractor's surveying. These spot-checks will not change <br /> the requirements for normal checking and testing as described elsewhere, and do not <br /> relieve the Contractor of the responsibility of producing a finished product that is in <br /> accordance with the Contract. <br /> Shore Avenue Force Main Division 1 —GENERAL REQUIREMENTS February 24,2022 <br /> WO No—UP3734 SP—57 <br />