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0 <br />0 <br />,i rule <br />cmgiyuering w01-ks,11C <br />Project Engineer: <br />Colby Place Stair <br />2910 Colby Avenue <br />Everett, Washington <br />Andrew L. Herrick, RE, <br />Sliderule Engineering Works, LLC <br />227 `E' Street Southeast <br />Auburn, Washington 98002 <br />(206)380-0732 <br />Design Criteria: 2018 International Building Code — Allowable Stress Design <br />Deck and Stair Live Load: 100 psf <br />Hand Rail Live Load: 50 plf (200# point load), whichever produces larger shear or <br />moment force <br />Lateral Force: Seismic Governs V = 0.17(DL + 0.2 LL) <br />Concrete: Existing 28 day strength for walls, slabs, and footings = 2500 psi (5-1/2 sack mix) for engineering purposes <br />Use: All steel members and connectors exposed to weather shall be galvanized. <br />All steel plates and threaded rods A-36 per ASTM Structural Steel Specifications, Fy = 36ksi. <br />All steel shapes A992 per ASTM Structural Steel Specifications, Fy = 50ksi <br />All hollow steel sections A-53 Grade B per ASTM Structural Steel Specifications, Fy = 46ksi, SCH80 for column <br />supports, SCH40 all other members. <br />E70XX Electrodes for all steel welds, unless noted otherwise. <br />A-307 pins at steel to steel handrail connections (minimum) <br />A-307 bolts and lag bolts to wood framing <br />All field welding shall be by WABO certified welder and be reviewed by special inspector. <br />2 12:112`3 U REE <br />JUIN 2 8 2022 <br />CITY OF EVERE'T'T <br />Permit Services <br />227 'e' street southeast, auburn, washington 98002-5518 t = 206 +380 +0732, a -mail = alhpe_sliderule@q.com <br />