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Port Gardner Storage Facility Volume 7 Attachment O <br /> Page 25 <br />CITY OF EVERETT ⋅ 3200 Cedar Street ⋅ Everett, WA 98201 ⋅ (425) 257-8800 ⋅ Fax (425) 257-8882 <br /> <br />Micropile design loads are shown on the May 2025 Geotechnical Report Port <br />Gardner Wet Weather Design Tables 2, 3, and 4. No lateral capacities are <br />intended for micro piles. <br />Q125 - Specification 31 63 33 – Please clarify which party is responsible for the design <br />of micropiles, specifically, who will design the casing size, reinforcing bar, bond length <br />and top connection details. <br />Micropile design is the delegated responsibility of the contractor. The design <br />must conform to the requirements of 31 63 33. <br />Q126 - Confirm that no grating is required for the sumps in the vault structures- 1/S-30- <br />2006 and A/S-30-2007. <br />Confirmed, no grating is required for the sumps indicated. <br />Q127 - The handrail material type is not called out on the drawings (S-20-1002, <br />Keynote-2/A-25-1001, S-25-1002- around hatchway, and existing handrails at the <br />primary combined sewer storage). Should we assume all handrails to be Aluminum as <br />per Note-1 of Standard details (S56001P)? <br />Guardrails in Area 25 shall be galvanized steel to match cross over ladder. <br />Guardrails in Area 20 shall be removable aluminum per 05 52 10 and Standard <br />Details. <br />Q128 - S-35-3003: General Note says all steel to be galvanized, and 2/S-50-1001 says <br />to provide top mounted guardrail. Are all the railings at the Equalization structures and <br />flow distribution structures to be galvanized steel? <br />Yes <br />Q129 - 1/S-70-3003 shows concrete on both the stair top landings. Confirm if the 2" <br />steel deck with concrete has to be provided at the top landings. Also, provide <br />connection details for the second floor landing (El 34.87'). <br />Top of both stair landings shown on S-70-1002 should be grating. Match top of <br />grating with top of concrete deck. <br />Q130 - Inside Area 30 Primary Storage Facility (cells 1-6), there is a new 4'0"W sloped <br />concrete fill between existing walls at Lines 4,6 and the flushing gates (t/conc elevation <br />17.67 to 16.87). Please provide details on concrete class, reinforcement, and joint <br />details for the concrete fill. <br />This area shall be 65 pcf Cellular Concrete Fill with a 4" topping slab with WWF <br />6x6xW4.0xW4.0 similar to that shown on S-30-3003. <br />Q131- Standard Plan S39101P shows a cone shape on the bottom of the pile. Do the <br />driven piles require a cone?