Summary for Test 2025-08-04-6-6

Test performed: ASTM E18-20

Project Information

Project IdentifiersProject ID: 994828
DEA: 043Y4104
EFIS: 0423000232
DIST-CO-RTE-PM04-CC,SM-680-25.04/25.46, VAR/VAR
Award DateNot set
Closeout DateNot set
Work DescriptionPaint removal and non-destructive testing (NDT) on butt weld connections on T1 type steel in fracture critical members of three distinct existing toll bridge.
Location DescriptionCarquinez Bridge Overhead (Br. No. 23-0015R), Benicia-Martinez Bridge Overhead (Br. No. 28-0153L), and San Mateo-Hayward Bridge (Br. No. 35-0054). County = SM,CC,SOL. Route = 680,80,92.
QA Service Level1 (Verified on 05/16/2023)

Sample Information

Sample Taken Date08/04/2025 Sample Unique Key6
Will the laboratory/organization for which you are a member perform testing on this material sample?No Date that the sample was received by the laboratory/organization performing the testing08/05/2025
Sample typeQuality Assurance A brief description of the sample1-8" x 3-3/4" ASTM F3125 GR A490 HEAVY HEX BOLT
The quantity of what the sample constitutes90 From where was the sample collectedSupplier
First name of sampler or witnessed byMario Last name of sampler or witnessed byPereiraVaz
Title of samplerAMR Telephone number of sampler9162054543
Laboratory sample identification Linked DIME Sample ID
The fabricator/manufacturer/facility nameBay Bolt Oakland, Ca Transportation Laboratory (TL) Number
Inspector Lot Number from the Transportation Laboratory (TL) Form Structure unique identifier
Structure name Bid ItemNot set

Material Information

Material TypeSMTL TM3 - Fastener Assembly Rocap Number(s)2563-04
Heat Number(s)Bolt 10770160 Nut 8000029711 Washer 240155 Nut Mfg. Lot Number(s)W000168538
Washer Mfg. Lot Number(s)186494 Bolt SpecificationASTM F3125
Bolt Length(s)3-3/4 Nut SpecificationASTM 563
Washer SpecificationASTM F436 FinishPlain
Diameter/Size1" Bolt Mfg. Lot NumberE864E1
Rocap Test Requirement(s) Lubricant Requirements(s)
Washer Inner Diameter(s)

Test Details

DIME Sample ID: 2025-08-04-6
DIME Test ID: 2025-08-04-6-6
Testing Lab: CT HQ - Sacramento Structural Materials Testing Laboratory
Test Method: ASTM E18-20: Standard Test Methods for Rockwell Hardness of Metallic Materials (Hardness)
Test Release Date: 2025-08-20

Test Results


Input Type: Calculated
Tester's full name: Andrew Auvinen
Date of test: 08/19/2025
Sample No.: 1B
Rocap Number: no data
Heat Number(s): no data
Mfg. Lot Number: 186494
Finish Coating: Plain
Product Markings: no data
Size: 1 in
Bolt Length: no data
Hardness Reading Scale: C Scale
Spacing: Ok
Hardness Reading Average: 43
General comments (publicly viewable) (Max 1000 characters):

Test was verified on 8/20/2025