Project Information

Project ID: 993333 DEA: 04264724 EFIS: 0419000068 QA Service Level: 1

DIST-CO-RTE-PM: 04-MRN-101-R20.8/27.1

Work Description: CIP BRIDGES, CONSTRUCT ROADWAY, RETAINING WALLS AND MODIFY ELECTRICAL.

Location Description: MARIN COUNTY IN AND NEAR NOVATO FROM 0.1 MILE SOUTH OF FRANKLIN AVENUE OVERHEAD TO 0.5 MILE SOUTH OF SAN ANTONIO CREEK BRIDGE

Contractor Name: GHILOTTI CONSTRUCTION CO. INC. (RILEY GENAZZI & JOSH SERAFINO)

Contractor Address: 246 GHILOTTI AVE., SANTA ROSA, CA 95407

Resident Engineer: Fabio La Serna Structure Rep.: Jeremy Light

Sample Information

DIME Sample ID: 2023-10-20-36

TL Number from the TL Form:

Sample Submitted By Organization: Pavement Engineers

Sample Organization Contact: (530) 913-3751

Type of Sample: Quality Control

Type of Material: Concrete

Sample Taken Date: 10/20/2023

Date that the sample was received by the laboratory/organization performing the testing: 10/21/2023

The quantity of what the sample constitutes: 27 CY

A brief description of the sample: concrete

From where was the sample collected: Supplier

Laboratory sample identification: Sample 2

Structure unique identifier:

Structure name:

The fabricator/manufacturer/facility name: Shamrock Materials Petaluma

Material Information

The concrete mix design number: SL-4201CG

The truck number from where the sample was collected:

The batch plant ticket number from where the sample was collected: 464972

Concrete batch plant:

The fabricator/manufacturer designation for the sample:

A detailed description of where the material sample was collected: back of truck

Where the material sample would have been placed if not sampled:

From Lot No.:

Bag Lot No.:

Test Results

Test 1 of 2

DIME Test ID: 2023-10-20-36-1

Test Method: ASTM C39-21: Standard Test Method for Compressive Strength of Cylindrical Concrete Specimens

Verified Date: 11/01/2023

Date Tested: 10/27/2023

Submitted By Organization: Pavement Engineers

Organization Address: 3650 Industrial Boulevard,

Organization City: West Sacramento

Organization State: CA

Organization Zipcode: 95691

Organization Email: michelleh@pavementengineering.com

Organization Phone: (530) 913-3751

General Comments for this Test:

Test Result Compliance:

Additional Comments When Verified:

Unit system used?	US Units
Number of specimens	2
Test performed	With no density determined
Apparent mass of submerged cylinder 1	0 lb
Average diameter of cylinder 1	3.98 in
Average diameter of cylinder 2	3.98 in
Cross sectional area of cylinder 1	12.44 in^2
Cross sectional area of cylinder 2	12.44 in^2
Compressive strength (to nearest 10 psi)	3830 psi
Maximum load on cylinder 1	46900 lb
Maximum load on cylinder 2	48385 lb
Type of fracture pattern of cylinder 1	4
Type of fracture pattern of cylinder 2	3
Comment on any defect in either specimen or caps (Max 250 Characters)	no data
Correction factor for cylinder 1	1.00
Correction factor for cylinder 2	1.00
Age of specimen	7 days
Age of specimen in hours	0 hours
Serial number of delivery ticket, if available	464972

Test 2 of 2

DIME Test ID: 2023-10-20-36-2