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STRUCTURAL STEEL OBSERVATIONS REPORT MAYES I lrerracon <br />Report Number: M7231156.0002 <br />Service Date: 05/05/23 20225 Cedar Valley Rd Ste 110 <br />Report Date: 05/10/23 Lynnwood, WA 98036-6365 <br />425-742-9360 <br />Client Project <br />Zap Energy Inc Zap OPUS TI Steel Bridge and Stairs <br />Attn: 3ulie Yinger 2300 Merrill Creek Pkw <br />506 2nd Ave Ste 1400 Everett, WA <br />Seattle, WA 98104-2329 <br />Project Number: M7231156 <br />Permit No.: B2302-100 <br />General Information <br />Kelly with Trico requested Mayes Terracon be on site for high -strength bolting observation and welding observation. <br />Structural steel is being constructed by Evergreen Erectors. Arrived at 1330 and departed at 1500. <br />The construction documents referenced for this observation include Permit Set 02/17/23, Finnoe Design and Fabrication LLC <br />for Construction drawings 04/18/23. <br />High -Strength Bolting Observation <br />Installation Observation <br />Connection Elevation/Location Method of Referenced Bolt Faying Compliance <br />Type Tensioning Documents Grade Surfaces Status <br />Snug -tight Level 1 to 2, J.5-K.2/3.9-4.2 Snug -tight S3.1, S3.2, S3.3 A325 -- Complies <br />Bolt Storage: None Stored (Complies) Mill Certification: Not Required <br />Welding Observation <br />Welding was performed prior to arrival. Welding procedures could not be verified. Welder qualifications have been <br />reviewed. <br />Inspection <br />Elevation/Location <br />Connection Type <br />Type of <br />Referenced <br />Applicable <br />Compliance <br />Type <br />Weld <br />Documents <br />Code <br />Status <br />Final <br />Level 1 to 2 stair landing, J.5/3.9 <br />C-channel stringer to <br />Fillet, <br />G-G/E2 <br />AWS D1.1 <br />Complies <br />HSS beam <br />Flare -Bevel <br />Static <br />Final <br />Level 2, K/4.2 <br />Existing W-column <br />Fillet <br />Q-Q/E2 <br />AWS D1.1 <br />Complies <br />Static <br />Final <br />Level 1 to 2 stairs, Level 2 <br />Guard rail post to C- <br />Fillet <br />E1 <br />AWS D1.1 <br />Complies <br />platform, J.5-K.2/3.9-4.2 <br />channel <br />Static <br />Final <br />Level 1 to 2 stair landing and <br />Deck to supports <br />Puddle <br />S3.1 <br />AWS D1.1 <br />Complies <br />Level 2 platform, J.5-K.2/3.9-4.2 <br />Static <br />Additional Comments <br />Welding performed by Ryan C. Pakka, WABO Welder ID: W17343, (expiration 01/01/24). <br />The results of observation(s) for today were reported to Kelly with Trico. <br />Compliance Statement <br />Based on our observations, structural steel construction activities at the above -referenced locations appeared to be <br />completed in general accordance with the project plans and specifications. <br />Services: Special Inspections / Materials Testing <br />Mayes/Terracon Rep.: Carl Harrington <br />Reported To: Trico <br />Contractor: Evergreen Erectors <br />Report Distribution: <br />(1) Zap Energy Inc, Julie Yinger <br />(1) City of Everett WA, Cindy Bergsma <br />(1) City of Everett WA, Permit Services <br />(1) JPC Architects LLC, Anna Griffith Reviewed By: <br />(1) Mayes Testing Engineers, Inc, <br />(1) Mayes Testing Engineers, Inc, Mike <br />Donna Pollard <br />Mattox <br />(1) Zap Energy Inc, Steve Zwaller <br />Barry Tuttle <br />Project Field Manager <br />The tests were performed in general accordance with applicable ASTM, AASHTO, or DOT test methods. This report is exclusively for the use of the client indicated above <br />and shall not be reproduced except in full without the written consent of our company. Test results transmitted herein are only applicable to the actual samples tested at <br />the location(s) referenced and are not necessarily indicative of the properties of other apparently similar or identical materials. <br />DM027, 04-29-22 Rev.5 Page 1 of 1 <br />