Laserfiche WebLink
City of Everett 01 11 00 - 2 <br />Port Gardner Storage Facility – Facility Construction Package WO# UP-3525 <br /> <br />01 11 00 - 2 SUMMARY OF WORK <br />Category 2: Sensitive information <br />Category 2: For official use only / disclosure permissible by law. <br />d) The conveyance improvements include installation of a 42-inch <br />diameter combined sewer conveyance line in an east/west <br />orientation along the southern property line. The proposed <br />location for this pipeline is near the Port of Everett. Installation <br />of this conveyance line must include accommodations for <br />limiting settlement within the Port of Everett property to within <br />performance based limits and include depressurizing potential <br />artesian groundwater conditions in this area to reduce the <br />magnitude of trench heave. This work is required to meet the <br />performance requirements outlined in Section 31 32 25 and the <br />Contractor may select among various listed measures for this <br />work. Per Section 00 22 13, the Contractor’s bid must include a <br />description of the methods that serve as the basis of bid for this <br />work. <br />b. Above grade improvements include construction of access roads, <br />parking areas, site paving, and fencing. <br />c. Construction of a subgrade buttress wall west of Area 60 Effluent <br />Pump Station. <br />1) The project site is known to have areas of contaminated soils. <br />Testing will be required for excavated materials and construction <br />spoils. If contaminants are found, materials will require hazardous <br />waste disposal. See Floyd Snider Utility Property Cleanup Action <br />Plan Memorandum provided in Volume 7 Attachment E and 02 61 <br />00 Removal and Disposal of Contaminated Soils for additional <br />information. <br />d. Installation of a subgrade pump station for site stormwater conveyance <br />1) The project scope of work includes procurement and installation of <br />a vendor supplied packaged pump station, SDMH 46-07. This <br />pump station will serve as a central collection point for site <br />stormwater and convey flow to Area 40 for onsite treatment. <br />2) Installation of the pump station includes construction of a 6-inch <br />diameter buried forcemain between the pump station and <br />stormwater treatment system. <br />e. Site wide temporary erosion and sediment control. <br />f. Demolition of Lift Station 6. <br /> <br />3. Area 15 Combined Sewer Influent <br />a. The extent of combined sewer influent infrastructure comprises <br />structural, civil, mechanical, electrical, and instrumentation and <br />controls improvements including installation of parallel 36-inch <br />diameter influent pipes, gate valves, access hatch, manholes, and <br />concrete infill and regrading at the southeast corner of the existing <br />neutralization basin structure. <br />