1415 75TH ST SW HELION ENERGY 2023-12-11

OTTO ROSENAU & ASSOCIATES, INC. Geotechnical Engineering, Construction Inspection & Materials Testing PROPRIETARY ANCHOR ADHESIVE INSPECTION FIELD REPORT Job Number: 23-0102 Report Number: 447309 Permit Number: B2204-072 Project: Helion Energy Control Room Client: Address: 1415 75th St SW, Everett Address: Inspector: Ethan Dunaway Date: 4/3/2023 Description / Location / Intended Use Inspected adhesive all thread installation for holdowns for steel to concrete connection located at grids 6 / C.5 — C.8 (HDU4, 8" embed requirement, 2 holdowns) and at grids 5.1 / C.5 — C.7 (HDU6, 11" embed requirement, 2 holdowns) Building Code & Year: IBC 2018 ❑ Reinforcing Steel ® All Thread Bar/Dowel Size & Quantity: Anchor Size & Quantity: 5/8" (4) Rebar Manufacturer: Type of Steel (ASTM): ® A-36 ❑ F-1554 ❑ A-276 Grade: ® 36 ❑ 50 ❑ 75 ❑ Other: Rebar Grade: ❑ 40 ❑ 60 ❑ Other: Type of Bar: ❑ A-615 ❑ A-706 ❑ Other: Does Contractor Need to Schedule Torque Verification? ® Yes ❑ No Reason (if `No): Contractor will verify if torque verification is required. Special Ductile Quality (SDQ): ❑ Yes ❑ No Anchor Length: 12", 15" Hole Depth: 8" to 8 %", 11 '/4" to 11 Y2" Required Embedment: 8", 11" Hole Diameter: 3/4" Concrete Thickness: ----------- Concrete Strength: -------- Hole Orientation: ® Vertical Down ❑ Upwardly Inclined ❑ Horizontal Base Material: ® Normal Weight Concrete ❑ Lightweight Concrete ❑ CMU ❑ Brick ❑ Composite Deck Hole Cleaning: ❑ Compressed Air ❑ Hand Pump ❑ Vacuum Drill Bit ® Other: Vacuum Compressed Air PSI: N/A Drill Bit (ANSI B212.15): Yes Brushed: ® Yes ❑ No Hole Condition: ® Dry ❑ Damp ❑ Water Saturated ❑ Submerged Adhesive Manufacturer/Type: Simpson Set 3G Expiration Date: 09/02/23 ICC ESR #: 4057 Certified Installer(s): N/A Weather: Indoors Ambient Temperature: 58 °F Substrate Temperature: 57 °F Comments Installation per notes on S1.1 and per general notes on approved structural plans. Reference Standard(s) Used: Conforms ® Does Not Conform ❑ Start Time: Finish Time: Is this a re -inspection? ❑ Yes ® No Original inspection date: Inspected by:��> _f 2 �� ` '� Reviewed by: This report applies only to the items tested or reported and is the exclusive property of Otto Rosenau & Associates, Inc. Reproduction of this report, except in full, without written permission from our firm is strictly prohibited. Page 1 of 6747 M. L. King Jr. Way S., Seattle, Washington 98118 - Phone (206) 725-4600 or 1-888-OTTO-4-US - Fax (206) 723-2221 Form No.: INSP-86-03 LT (Rev 08119)