Thomco Construction Inc. 6/14/2021

I CITY OF EVERETT SPECIAL PROVISIONS 2.03.2 Materials Materials shall meet the requirements of the following: Foundation Material Class A or B 9-03.17 Standard Specifications ' Gravel Borrow 9 03.14(1) Standard Specifications 2-03.3 Construction Requirements Supplement 2-03.3 by adding the following: Blasting is not allowed within the City limits of Everett. Use suitable excavated material for roadway embankments. Dispose of surplus excavated material or unsuitable material in accordance with 2-03.3(7). Engineer will not approve payment for unauthorized excavation or embankment, or both, beyond the limits indicated on the Plans. Return areas of unauthorized excavation or embankment, or both, to their original conditions or better at the Contractor's expense. Fine grading in fill or backfill areas shall begin within the top six inches of subgrade. Final grading shall produce a uniform surface within established tolerances and without ' abrupt changes in grade. Construction requirements for pavement patching authorized by Engineer outside of Project limits shall be in accordance with the Section 5-04 and City Standard Drawing No. 326 for existing asphalt concrete over prepared grade. Provide temporary drainage to keep the subgrade free from standing water. Ensure the top six inches of subgrade is free from rocks or cemented lumps larger ' than 2-1/2 inches in greatest dimension. Excavate for curbs and gutters by accurately cutting to the cross-sections, grades, and elevations shown. Take care not to excavate below the specified grades. Maintain all excavations free from accumulation of detrimental quantities of leaves, brush, sticks, trash, and other debris. 2-03.3(2) Rock Cuts Delete entire section." 2-03.3(3) Excavation Below Subgrade Supplement 2-03.3(3) by adding the following: Proof Rolling: Proof roll subgrade under the roadway with a fully loaded tandem truck following trench backfilling and grading to subgrade to identify soft or loose areas in the subgrade. In areas where the subgrade does not stand up to the proof roll, over excavate the subgrade and replace with imported Foundation Material Class A or B or Gravel Borrow, as determined by the Engineer, to bring the subgrade up to the proper compaction and grade. Compact backfill material in accordance with 2-03.3(3). 2-03.3(7) Disposal of Surplus Material 2-03.3(7)C Contractor-Provided Disposal Site ' Delete the first paragraph of 2-03.3(7)C and substitute the following: Make arrangements for disposal of surplus and other materials. All costs for disposal of surplus and other materials shall be included with the respective Bid items of the Contract with no direct compensation being made. Dispose of Asbestos-cement pipe in accordance with the requirements of the State of Washington Department of Ecology and the Snohomish County Solid Waste Division. Watermain Replacement"V" Division 2-EARTHWORK April,2021 WO No.-UP3730 SP-135 i