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Tropical Chevrolet, 10-03-23 UES No 107678 SPECIAL insp rept #046 (structural steel connections reinsp.) - GDZProject No.: 2110.2100049 Report No.: 197678 Date: October 3, 2023 8050 NW 77th Court · Miami, FL 33166 · P: 305.249.8434 · F: 305.249.8479 STRUCTURAL OBSERVATION REPORT No. SPECIAL-046 CN: GDZ Page 1 of 7 cc: 1 − Job Site; 1 − Client; 1 The Original of this Report was Signed and Impressed Sealed by the Above Registered Engineer in Accordance with Rule 21H -18.11, Chapter 471, Florida Statute Client: Lebolo Construction Management, Inc. 2100 Corporate Drive Boynton Beach, FL 33426 Project: Tropical Chevrolet Renovation/Expansion 8880 Biscayne Blvd. Miami Shores, FL 33138 Agent: Gaetano Di Zio, E.I. Date of Services: 10/03/2023 Village of Miami Shores Building Permit No: CC-12-20-2951 (issued date 11/07/22, expires 05/08/23) Scope of Field Services: Professional observation of completed structural elements (Special Inspector). Reference Documents: • JSG structural drawings sheets S1.0 thru S4.2 (15 pages), Bulleting 7 dated 07/21/2022, signed/sealed by Mark Johnson FL-PE#51983, reviewed/approved for structural compliance by the Village of Miami Shores Bldg. Dept. on 08/22, (permit set review by the Miami-Dade County Department of Regulatory and Economic Resources on 05/16/2022). • SUNCOR, Inc. structural steel erection/fabrication shop drawings sheets AB1 thru TP101 (total of 219 pages) dated 04/13/2022 (Rev. A – Issued for Approval) Submittal #051200-5.0 (Structural Steel Shop Drawings), reviewed for compliance (stamped “Reviewed as Noted - Make Corrections”) by JSG on 05/03/2022. • Canam Steel Corporation (CSC) steel metal deck shop drawings sheets DE1.1 thru DE2.1 (total of 3 pages) dated 04/08/2022 (Issued for Approval) Submittal #051200-6.0 (Deck Shop Drawings), reviewed for compliance (stamped “Reviewed as Noted - Make Corrections”) by JSG on 04/15/2022. Record of Field Observations: 1. Visual verification of the structural steel connections at the following locations indicated below: a) ½” Ø x 1½” shear studs welded connections to the proposed new C10x25 steel channels approx. between grids “C.5” thru “D.5” and lines “5.5” thru “6.5 for the precast concrete double “T’s” repair at the existing service department, as per Conemco Engineering, Inc. precast concrete double Tee’s structural repair drawings, as we addressed on UES Structural Observation Reports No. 38 (No.: 10040) dated 07/07/2023 and No. 41 (No.: 14712) dated 09/06/2023, re-inspection inconclusive (09/12/23) – pending current welder qualification certification (continuity paperwork- period of effectiveness): ➢ Welding slag was not completely removed from locations that require Visual Testing (VT). ➢ Incomplete or undersize fillet welds. ➢ Missing three (3) shear studs at locations marked in the field. ➢ A couple of shear studs were found to be spaced more than 8” o.c. b) New C10x25 steel channels bolted/anchored connections to the existing roof precast concrete double Tee’s/existing concrete beam approx. between grids “C.5” thru “D.5” and lines “5.5” thru “6.5 for the precast concrete double “T’s” repair at the existing service department, as per Conemco Engineering, Inc. precast concrete double Tee’s structural repair drawings, failed on 09/28/23 – pending re-inspection: ➢ Missing washers at random locations. ➢ Anchor bolt threads were found not protruding (negative projection) beyond the outside surface of the nut (negative stick‐out) at several locations as per RCSC (Research Council for Structural Connections) Specification for Structural Joints Using ASTM A325 or A490 Bolts. ➢ One (1) loose-fitting thru bolt. ➢ One (1) screw anchor was found not to be ¾”. c) New W12x30 steel beam and MC12x50 steel channels welded/anchored connections (torque verified at 100 ft−lb as per the anchoring adhesive HILTI HIT-HY 200 required installation torque schedule for HAS Threaded Anchor Rods) to the existing CIP concrete columns/existing concrete CIP tie beam along grid “D.1” between lines “2.3” thru “3.43” and between grids “D.1” thru “E” and lines “3.43” thru “3.6” for the retrofit at the existing service department, as per S1.0R, as we addressed on UES Structural Observation Report No. 044 (No.: 17436) dated 09/28/2023, corrections in progress – pending re-inspection: DRAFT Project No.: 2110.2100049 Report No.: 197678 Date: October 3, 2023 8050 NW 77th Court · Miami, FL 33166 · P: 305.249.8434 · F: 305.249.8479 STRUCTURAL OBSERVATION REPORT No. SPECIAL-046 CN: GDZ Page 2 of 7 cc: 1 − Job Site; 1 − Client; 1 The Original of this Report was Signed and Impressed Sealed by the Above Registered Engineer in Accordance with Rule 21H -18.11, Chapter 471, Florida Statute ➢ Missing three (3) threaded anchor rods at random locations. ➢ Some threaded anchor rods were found to be loose-fitting (not meeting the minimum torque of 100 ft−lb). d) Continuous perimeter deck bearing angle L4”x4”x1/4” anchored connections (torque verified at 100 ft−lb as per Simpson Strong−Bolt 2 Wedge Anchor required installation torque schedule) to CMU bond beam along line “11” between grids “D.6” thru “E.2” at the Quick Lube (130), as per S1.0, S1.1/details 2 & 3, S2.2, 2/S3.1, 4/S4.1, E1000, E1001 and E1002, failed on 10/03/23 – pending re-inspection: ➢ Missing three (3) expansion anchors. e) Continuous perimeter deck bearing angle L4”x4”x1/4” anchored connections (torque verified at 150 ft−lb as per Simpson Strong−Bolt 2 Wedge Anchor required installation torque schedule) to CIP concrete beam along grid “D.6” between lines “11” thru “13” at the Quick Lube (130), as per S1.0, S1.1/details 2 & 3, S2.2, 1/S3.4, S4.1/details 1 & 4, E1000, E1001 and E1002, completed. f) Continuous perimeter deck bearing angle L4”x4”x1/4” welded connections to CIP concrete beam steel embeds along line “13” between grids “D.6” thru “E.2” at the Quick Lube (130), as per S1.0, S1.1/details 2 & 3, S2.2, 5/S4.1, E1000, E1001 and E1002, completed. g) Proposed new 12”x12”x3/4” anchored connection (torque verified at 150 ft−lb as per Simpson Strong−Bolt 2 Wedge Anchor required installation torque schedule) to existing CIP concrete roof beam at approx. gridlines D.6x11.5 and D.6x12 for the roof steel beam repair (connection) at the Quick Lube (130), as per attached SK 04-12-23 (Modified), completed. The structural steel connections at the locations mentioned above were found to be in accordance with the reference documents, except for item 1a inconclusive, item 1c in progress and items 1b and 1d failed. The General Contractor will call for items 1b, 1c and 1d re-inspection after completion for final compliance verification. The welder qualification certificate was provided during our site visit on 07/27/2023, however current continuity paperwork pending for review (Period of Effectiveness). The welder that performed the work was not available onsite in order to verify his welder qualification. As per The Structural Welding Code: 6.2.3 Period of Effectiveness 6.2.3.1 Welders and Welding Operators. The welder’s or welding operator’s qualification as specified in this code shall be considered as remaining in effect indefinitely unless: (1) the welder is not engaged in a given process of welding for which the welder or welding operator is qualified for a period exceeding six months, or (2) there is some specific reason to question a welder’s or welding operator’s ability (see 6.25.1). Mr. Jim Jenco, Project Superintendent with Lebolo Construction, was notified of the aforementioned visual verification results. Please see adjacent report pages for photographs, welder certification qualification and SK 04-12-23 (Modified). DRAFT Project No.: 2110.2100049 Report No.: 197678 Date: October 3, 2023 8050 NW 77th Court · Miami, FL 33166 · P: 305.249.8434 · F: 305.249.8479 STRUCTURAL OBSERVATION REPORT No. SPECIAL-046 CN: GDZ Page 3 of 7 cc: 1 − Job Site; 1 − Client; 1 The Original of this Report was Signed and Impressed Sealed by the Above Registered Engineer in Accordance with Rule 21H -18.11, Chapter 471, Florida Statute On 09/28/23 DRAFT Project No.: 2110.2100049 Report No.: 197678 Date: October 3, 2023 8050 NW 77th Court · Miami, FL 33166 · P: 305.249.8434 · F: 305.249.8479 STRUCTURAL OBSERVATION REPORT No. SPECIAL-046 CN: GDZ Page 4 of 7 cc: 1 − Job Site; 1 − Client; 1 The Original of this Report was Signed and Impressed Sealed by the Above Registered Engineer in Accordance with Rule 21H -18.11, Chapter 471, Florida Statute DRAFT Project No.: 2110.2100049 Report No.: 197678 Date: October 3, 2023 8050 NW 77th Court · Miami, FL 33166 · P: 305.249.8434 · F: 305.249.8479 STRUCTURAL OBSERVATION REPORT No. SPECIAL-046 CN: GDZ Page 5 of 7 cc: 1 − Job Site; 1 − Client; 1 The Original of this Report was Signed and Impressed Sealed by the Above Registered Engineer in Accordance with Rule 21H -18.11, Chapter 471, Florida Statute On 10/03/23 Welds to be grind off DRAFT Project No.: 2110.2100049 Report No.: 197678 Date: October 3, 2023 8050 NW 77th Court · Miami, FL 33166 · P: 305.249.8434 · F: 305.249.8479 STRUCTURAL OBSERVATION REPORT No. SPECIAL-046 CN: GDZ Page 6 of 7 cc: 1 − Job Site; 1 − Client; 1 The Original of this Report was Signed and Impressed Sealed by the Above Registered Engineer in Accordance with Rule 21H -18.11, Chapter 471, Florida Statute DRAFT Project No.: 2110.2100049 Report No.: 197678 Date: October 3, 2023 8050 NW 77th Court · Miami, FL 33166 · P: 305.249.8434 · F: 305.249.8479 STRUCTURAL OBSERVATION REPORT No. SPECIAL-046 CN: GDZ Page 7 of 7 cc: 1 − Job Site; 1 − Client; 1 The Original of this Report was Signed and Impressed Sealed by the Above Registered Engineer in Accordance with Rule 21H -18.11, Chapter 471, Florida Statute Reviewed by: Universal Engineering Sciences Certificate of Authorization No. 549 Carlos Naumann, P.E., S.I. Florida Professional Engineer No. 18594 Florida Special Inspector No. 181 DRAFT DRAFT DRAFT