3003 W CASINO RD BLDG 45-04 2024-06-12

GENERAL OBSERVATION REPORT Report Number: M8201061.105313 Service Date: 05/20/21 Report Date: 05/20/21 Client Mayes Testing Engineers, Inc Attn: Mark Gordon 10029 S Tacoma Way, Ste E- 2 Tacoma, WA 98499-5199 Permit No.: Boeing Everett Bid 45-04 Irerracon 10029 S Tacoma Way Ste E2 Tacoma, WA 98499-4686 253-573-9939 Project Terracon/Mayes Dispatch MTE Tacoma Lab Tacoma, WA Project Number: M8201061 GENERAL INFORMATION On site for firestop inspections of the 2-hour fire rated Haz Zone Soffit. MTE witnessed vertical and horizontal joint seals for the inner gypsum board layer and penetrations thru this layer. The joints are sealed as per ASTM E2393 and the penetrations are sealed as per ASTM E2714 and the Engineer Judgements and UL procedures. The ASTM's require a minimum of 10% of the firestopping be witnessed to avoid any destructive testing. The approved materials used were Spec Seal ES120 elastometric firestop caulk, Spec Seal LCI intumescent firestop caulk and rock wool where required. Inspections as required: 1. Soffit — Witnessed approximately 50% of the soffit's horizontal and vertical joint seals. The joints were sealed as per UL No. BW-S-0020 using the UL specified LCI intumescent firestop caulk. 2. The beam flange to soffit joint — Witnessed 100% of this joint's firestop seal as per EJ detail referencing UL No. WW-D-1006. The joint was sealed using rock wool and the UL specified ES120 elastometric firestop caulk. 3. Metal conduit penetrations — Witnessed (2) of (2) less than nominal 2-1/2" metal conduit penetrations as per EJ detail referencing UL No. W-L-1168 and W-L-1257. The penetrations were sealed using the UL specified LCI intumescent firestop caulk. 4. Sleeved and un-sleeved metal pipe penetrations — Witnessed (1) of (1) sleeved and (1) of (1) un-sleeved penetrations as per UL No. W-L-1251. The sleeved penetration was sealed using rock wool and the UL specified LCI intumescent firestop caulk. The un-sleeved penetration was sealed using the UL specified LCI intumescent firestop caulk. Note: Contractor will call when firestopping the soffit outer layer of double gypsum board. COMPLIANCE STATEMENT To the best of our knowledge, the items inspected today are in conformance with approved plans and specifications. Services: Special Inspection/Materials Testing Mayes Testing Engineers Rep.: Mark Gordon Reported To: John Contractor: N/A Report Distribution: (1) Mayes Testing Engineers, Inc, Mark Gordon Reviewed By: Mark Gordon Department Manager III 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 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 the location(s) referenced and are not necessarily indicative of the properties of other apparently similar or identical materials. CT0001, 10-16-13, Rev.10 Page 1 of 1