HomeMy WebLinkAboutConcrete Observation.City of Renton Gene Coulon Memorial Beach Park (T).C21005257.2023-07-12.M7221137.0027CONCRETE OBSERVATION REPORT
Report Number:M7221137.0027
Service Date:07/12/23 20225 Cedar Valley Rd Ste 110
Report Date:07/17/23 Lynnwood, WA 98036-6365
425-742-9360
Client Project
City of Renton WA City of Renton Gene Coulon Memorial Beach Park (T)
Attn: Alan J. Wyatt 1201 Lake Washington Blvd N
1055 S Grady Way Renton, WA
Renton, WA 98057-3232
Project Number: M7221137
Services: Special Inspections / Materials Testing
Mayes/Terracon Rep.: Samuel Owens
Reported To:American Construction Company
Contractor:American Construction
Report Distribution:
(1) City of Renton WA, Alan J. Wyatt (1) American Construction Co Inc, Aaron
McMahill
(1) American Construction Co Inc, John Blair (1) Mayes Testing Engineers, Inc, Jim Kay Reviewed By:____________________________________
(1) WSP USA Inc, Garth Nelson, P.E. Barry Tuttle
Project Field Manager
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.
DM010, 04-29-22 Rev.3 Page 1 of 1
Permit No.: C21005257
GENERAL INFORMATION
American Construction Company Inc requested Terracon be on site for concrete observation of the following elements: slab.
These elements are being constructed by American Construction. The results of observations for today were reported to
Aaron with American Construction.
The construction documents referenced for this inspection included: S-1 dated 08/11/2022.
REINFORCING STEEL
Reinforcing steel was previously inspected by Craig Williams with Mayes Terracon on 06/15/2023.
CONCRETE PLACEMENT
Terracon observed concrete placement as follows:
Element Location Yardage Supplier Mix ID Mix Description
Slab-on-
ground
(1) North and south bridge
abutment slabs (top 8 inches)
4yds Cadman P2D35476 Normal Weight, 5000-psi,
air-entrained concrete
Placement Method: Buggy Consolidation Method: Mechanical Vibrator Protection Method: Not Observed
TESTS PERFORMED
Cast (4) 4x8” lab cure cylinders for compressive strength testing.
ADDITIONAL COMMENTS
The contractor secured loose rebar before placing each topping slab. This concrete load had graphite color (79022) in it for
dye.
COMPLIANCE STATEMENT
Based on our observations and testing, the above noted items appear to be in general accordance with the project
documents.
Photo Log
Report Number:M7221137.0027
Service Date:07/12/23 20225 Cedar Valley Rd Ste 110
Report Date:07/17/23 Lynnwood, WA 98036-6365
425-742-9360
City of Renton WAAttn: Alan J. Wyatt
CT0001, 10-16-13, Rev.10 Page 1 of 1
(P1) After concrete was placed, looking north.
(P2) Excerpt from S-1 indicating concrete strength.