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Port Gardner Storage Facility Volume 7 Attachment O <br /> Page 40 <br />CITY OF EVERETT ⋅ 3200 Cedar Street ⋅ Everett, WA 98201 ⋅ (425) 257-8800 ⋅ Fax (425) 257-8882 <br /> <br />Contractors should include all tasks associated with Bid Item 38 in the baseline <br />project schedule. The anticipated dewatering rates and representative sizing of <br />dewatering effluent treatment system provided in Section 01 12 16 Work <br />Sequence, Section 01 22 13 Measurement and Payment, and the groundwater and <br />dewatering information provided in Sections 3 and 4 of the May 2025 <br />Geotechnical Report Port Gardner Wet Weather Design (see May 2025 revised <br />report have been provided to assist Contractors in project cost estimating and <br />schedule planning. Contractor will receive Contract Time extensions as may be <br />required under the Contract Documents and/or applicable law. Other than <br />“required” extensions, Contractor should not anticipate flexibility from the City <br />regarding Contract Time. <br />Q215 - Please clarify where 25-P-6001 and its disconnect are located on EP-10-5001. <br />Influent Building Sump Pump is mis-tagged on the oneline diagram (EP-10-5001). <br />The correct pump tag is “25-P-0001”, which is located on drawing EP-25-1001. <br />Q216 - What is PNL 70- 20-7021? It is not on any diagrams. <br />“70-PNL-7021” is a network rack for a 3rd party vendor to supply & install that will <br />be coordinated by the Owner. Treat this location identified on drawings as a <br />space provision for future equipment. <br />Q217 - Addendum 5, page 37 under General Items for Bidder Clarification, currently <br />reads “Clarification Section 00 21 13 OTHER MATTERS, Bidder’s Checklist: the <br />Subcontractors Form Section 04 43 46 is required by these instructions.” We assume <br />this should read “…Subcontractor’s Form Section 00 43 36…” Please confirm. <br />Confirmed, the Subcontractors Form Section 00 43 36 is required by these <br />instructions. <br />Q218 - As we review the documents for project Q2522G80 – Port Gardner, Everett, <br />WA, we noted that two (2) surge tanks are specified: 1. 46-ST-0130 – Bladder-Type <br />Surge Tank (Section 43 16 23.02) 2. 46-ST-0230 – Dipping Tube Style Surge Tank <br />(Section 43 16 23.03) We would appreciate clarification from the engineer or contractor <br />on the following points: Would it be acceptable for both surge tanks to be of the bladder- <br />type, given that these configurations are generally more acceptable for sewage <br />applications than dipping tube design? If bladder-type tanks are required, we suggest <br />specifying a polyurethane bladder, which offers greater resistance to wastewater <br />environments than standard butyl. <br />A dipping tube style surge tank has been specified for the Lift Station 46 Indirect <br />Flow pumps because the forcemain has a flat elevation profile. A bladder style <br />surge tank was not specified for this application to eliminate the potential for over <br />evacuation of the surge tank during a transient event.