Interwest Construction Inc 12/27/2018

I CITY OF EVERETT SPECIAL PROVISIONS 1 Provide horizontal and vertical curve data. One copy of transit notes showing reference to horizontal and vertical control points. OTHER STRUCTURES Centerline or offset coordinates to centerline of the structure. A sufficient number of bench marks for levels to enable the Contractor to set grades at reasonably short distances. Monuments and control points as shown on the Plans. The Contractor shall give the City three weeks notification to allow adequate time to provide the above data. The Contractor shall ensure a surveying accuracy within the following tolerances: 1 1. Slope stakes ±0.1 foot 2. Subgrade blue tops ±0.01 foot 3. Stationing ±0.01 foot 4. Alignment ±0.01 foot 5. Surfacing red & yellow tops ±0.01 foot 6. Superstructure elevations ±0.01 foot (from plan elevations) 7. Substructure ±0.02 foot (from plan elevations) The Contractor shall slope stake the roadway before any construction may proceed. Slope stakes shall be set at 50' maximum intervals on tangents and 25' on curves. Subgrade bluetops and surfacing red and yellow tops shall be set at 50' intervals in tangent sections, 25' intervals in curve sections, and 10' intervals in intersection radii. The Contractor's surveyor shall be a licensed surveyor in the State of Washington. I The Contractor shall keep updated survey field notes in a standard field book and in a format set by the Engineer. These field notes shall include all survey work performed by the Contractor's surveyor in establishing line, grade and slopes for the construction work. Copies of these field notes shall be provided to the Engineer upon request and upon completion of the Contract Work; the field book shall be submitted to the Engineer and become property of the City. If the survey work provided by the Contractor does not meet the standards of the Engineer, then the Contractor shall, upon the Engineer's written request, remove the individual or individuals doing the survey work and the survey work will be completed by the Engineer at the Contractor's expense. Costs for completing the survey work required by the Engineer will be deducted from monies due or to become due the Contractor. The City may spot-check the Contractor's surveying. These spot-checks will not change the requirements for normal checking and testing as described elsewhere, and do not relieve the Contractor of the responsibility of producing a finished product that is in accordance with the Contract. In all disputes concerning accuracy of lines and elevations, the City shall be assumed correct and the Contractor shall correct the discrepancies before construction work may proceed. No additional compensation will be paid for this corrective Work. Payment: The lump sum contract price for "Surveying" shall be full pay for all costs involved in furnishing all labor, tools, survey instruments, materials, and other equipment necessary for the setting and maintaining of the alignment and grade as specified. I Watermain Replacement"T" Division 1 —GENERAL REQUIREMENTS October 10, 2018 WO No—UP3684 SP—66 I