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City of Everett 01 12 16 - 10 <br />Port Gardner Storage Facility - Facility Construction Package WO# UP-3525 <br /> <br /> <br />01 12 16 - 10 WORK SEQUENCE <br />1) A high-level construction scope of work for the WMVD project is depicted <br />on Exhibits A-4 attached to this specification section. The Exhibits <br />indicate estimated construction timelines for the WMVD Construction <br />Package 1 and Construction Package 2. The actual construction timelines <br />and sequencing will be determined by the WMVD contractors after PGSF <br />Contract award. <br />2) As indicated on the Exhibit A-4.6, installation of the WMVD pipelines <br />through southern West Marine View Drive off-ramp / Lower Norton Ave. <br />will impact access to the PGSF Facility site and will require an alternate <br />traffic routing. Actual timelines and durations of these traffic impacts shall <br />be coordinated with the Owner and Owner’s Representative and may <br />differ from those stated in this Specifications once all concurrent WMVD <br />contract schedules are coordinated <br />3) The Owner is in a process of negotiating an alternate shared northbound <br />access construction easement through the Port Terminal property that <br />may be available to the PGSF and WMVD Contractors. Haul and access <br />route will be detailed following Contract award. For bidding purposes, no <br />weight, height, or length restrictions other than those required for <br />interstate commerce are anticipated for the southern access route <br />through the Port of Everett to the PGSF site. <br />d. If construction sequencing and staging between the two packages overlap, the <br />Owner may allow the PGSF Facility Package contractor to leave connection <br />point excavation and trenches open at connection points without requirement <br />for backfill. However, Contractor’s bid shall include full backfill and restoration <br />at these connection points. At each connection point, the Contractor shall <br />install 2”x4” wood post to surface to mark end of the pipes. <br />15. All existing monitoring wells on the project site (unless noted otherwise in the <br />drawings), including those enumerated in the Geotechnical Report (see Volume 7, <br />Attachment B), as well as those shown on the drawings (see Drawings CE-10-1002 <br />and CE-10-1003) shall be demolished and/or , decommissioned and abandoned by <br />the Contractor in accordance with the requirements for well decommissioning and <br />abandonment in compliance with WAC 173-160-381. <br />Monitoring wells interfering with new work construction may be decommissioned <br />and abandoned when necessary for work to proceed on schedule. Monitoring wells <br />not interfering with new work shall not be abandoned and decommissioned until all <br />work involving excavation and backfilling, dewatering, pile driving, sheet pile <br />installation and extraction; installation of the soil cement column wall; and <br />construction of all subsurface facilities have been completed, and accepted by the <br />Owner’s Representative. Monitoring wells not interfering with new work shall be <br />protected from damage until abandonment and decommissioning commences. <br />C. Area 25 Temporary Roof Covers <br />1. Do not remove Area 25 temporary roof covers until new, permanent roof <br />coverings are ready to be installed.