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Port Gardner Storage Facility Volume 7 Attachment O <br /> Page 7 <br />CITY OF EVERETT ⋅ 3200 Cedar Street ⋅ Everett, WA 98201 ⋅ (425) 257-8800 ⋅ Fax (425) 257-8882 <br /> <br />As identified in Keynote 7 on Drawing D-40-1004, the stormwater treatment media <br />and underdrain piping for the southern six cells will be furnished and installed <br />under a separate contract. <br />Q27 – Spec 01 72 29 does not appear to address concrete demolition where rebar is impacted, <br />in Sections 3.4 and 3.5. If rebar is cut at an impacted surface, is there a burn back (or removal) <br />to a certain depth before concrete patching proceeds? <br />See Note C12 on Drawing S-00-0001. <br />Q28 – Spec 01 72 29 3.4 (Cutting) D says to “Cut holes, slots and saw cuts to obtain clean cuts <br />and even lines in sizes and areas as necessary to complete work with no evidence of <br />patching.” Will the area of repair (removal and patch) to these extents be measured at the time <br />of repair and be available for changed condition work and be paid for separately? <br />See Drawings to inform quantity takeoffs of the areas of cutting and removal. <br />Patching due to overcuts and uneven cuts is undesirable. <br />Q29 – Drawing S-20-3011, Detail E, calls for Epoxy Dowels. Confirm they are to be place 12” <br />apart at each row. <br />Correct, per Drawing S-20-3004 Detail E callout, #6 @ 12" epoxied dowels to <br />match slab reinforcement with the option to stagger bottom and top row. <br />Q30 – Drawing S-20-3011, Detail A (typ for concrete fill locations). Is there to be any cleaning <br />or surface prep required before placing Cellular Concrete Fill at any location where being placed <br />within confined concrete walls? <br />Surface preparation for placing cellular concrete fill at any location where it is <br />being placed within confined concrete walls requires the same preparation as <br />concrete pours against existing concrete. Additionally, contractor to verify with <br />cellular concrete sub if additional prep is needed. <br />Q31 – Drawing S-25-3010, Detail B, please provide dowel information such as material <br />type/size/ spacing/ embed depth. <br />Per Detail S39004 called out in Detail B on Drawing S-25-3010, #5 epoxied dowels <br />@ 12" with 8" embed. If thickness of concrete is limited reduce to 6" embed. <br />Q32 – Drawing S-25-3010, Detail F, calls for Epoxy Dowels. Please confirm they are to be <br />place 12” apart at each row. <br />Correct, with option to stagger top and bottom row. <br />Q33 – Drawing S-30-3011, Detail E. Please confirm the dowels are to match the spacing of the <br />rebar cages. <br />Yes, dowels to match the spacing of wall reinforcement. Horizontal bars should <br />be dowelled into walls as well.