Technician Information for David Scherer
| First Name | David |
|---|---|
| Last Name | Scherer |
| Technician ID | 02157 |
Associated Labs
Total 3 items.
| Lab Name | Manager Name | Full Address | District | Page Alias |
|---|---|---|---|---|
| Twining Laboratories of Southern California | Corey Rhodes | 3310 Airport Way, Long Beach, CA 90806 | 7 | Lab 1 |
| Twining Laboratories of Southern California | Sammy Daghighi | 111 North Main Street, Unit A, Riverside, CA 92501 | 8 | Lab 2 |
| Twining Laboratories | Ryan Powney | 15950 Bernardo Center Drive, Suite J, San Diego, CA 92127 | 11 | Lab 3 |
Test Methods
California Test (CT) Certifications
Total 30 items.
| Test Method | Obtained Date | Expiration Date | Status | IA Responsible | Within Lab(s) Scope | Comments |
|---|---|---|---|---|---|---|
| CT 105 Calculations - Gradings (JTCP - HMA I / S&A) | 2020-03-06 | 2023-03-06 | Expired | Avinash Ralla | Lab 1, Lab 2, Lab 3 | (No comments) |
| CT 125 ADMIX Sampling - ADMIXTURE | 2025-01-23 | 2026-01-23 | Active | Ashley Shaw | Lab 1, Lab 2, Lab 3 | Date adjusted to make a three year Cert IA 68 |
| CT 125 AGG Sampling - AGGREGATES | 2025-01-23 | 2026-01-23 | Active | Ashley Shaw | Lab 1 | Date adjusted to make a three year Cert IA 68 |
| CT 125 AGG Sampling - AGGREGATES (JTCP - HMA I / S&A) | 2020-03-06 | 2023-03-06 | Expired | Sarbjit Grewal | Lab 1, Lab 2, Lab 3 | (No comments) |
| CT 125 BIT Sampling - BITUMINOUS | 2025-01-23 | 2026-01-23 | Active | Ashley Shaw | Lab 1, Lab 2, Lab 3 | Date adjusted to make a three year Cert IA 68 |
| CT 125 CEM Sampling - CEM | 2025-01-23 | 2026-01-23 | Active | Ashley Shaw | Lab 1, Lab 2, Lab 3 | Date adjusted to make a three year Cert IA 68 |
| CT 125 GEN Sampling - GENERAL | 2025-01-23 | 2026-01-23 | Active | Ashley Shaw | Lab 1, Lab 2, Lab 3 | Date adjusted to make a three year Cert IA 68 |
| CT 125 HMA Sampling - HMA | 2025-01-23 | 2026-01-23 | Active | Ashley Shaw | Lab 1 | Date adjusted to make a three year Cert IA 68 |
| CT 201 Sample Preparation - Soil and Aggregates (JTCP - S&A) | 2020-03-06 | 2023-03-06 | Expired | Avinash Ralla | Lab 1, Lab 2, Lab 3 | (No comments) |
| CT 202 Sieve analysis - Fine and Coarse Aggregates (JTCP - S&A) | 2020-03-06 | 2023-03-06 | Expired | Sarbjit Grewal | Lab 1, Lab 2, Lab 3 | (No comments) |
| CT 205 Percent Crushed Particles (JTCP - S&A) | 2020-03-06 | 2023-03-06 | Expired | Sarbjit Grewal | Lab 1, Lab 2, Lab 3 | (No comments) |
| CT 216 Relative Compaction - Soils and Aggregates (JTCP - S&A) | 2020-03-06 | 2023-03-06 | Expired | Sarbjit Grewal | Lab 1, Lab 2, Lab 3 | (No comments) |
| CT 217 Sand Equivalent (JTCP - S&A) | 2020-03-06 | 2023-03-06 | Expired | Sarbjit Grewal | Lab 1, Lab 2, Lab 3 | (No comments) |
| CT 226 Moisture Content - Soils and Aggregates (JTCP - S&A) | 2020-03-06 | 2023-03-06 | Expired | Sarbjit Grewal | Lab 1, Lab 2, Lab 3 | (No comments) |
| CT 227 Cleanness Value (JTCP - S&A) | 2020-03-06 | 2023-03-06 | Expired | Sarbjit Grewal | Lab 1, Lab 2, Lab 3 | (No comments) |
| CT 229 Durability (JTCP - S&A) | 2020-03-06 | 2023-03-06 | Expired | Sarbjit Grewal | Lab 1, Lab 2, Lab 3 | (No comments) |
| CT 231 Relative Compaction - Nuclear Gage | 2025-03-04 | 2026-03-04 | Active | Jay Horton | Lab 1, Lab 2, Lab 3 | (No comments) |
| CT 504 Air Content of PCC - Pressure Method (JTCP - PCC) | 2024-10-25 | 2029-10-25 | Active | Gabriela Lopez | Lab 1, Lab 2, Lab 3 | (No comments) |
| CT 518 Unit Weight - PCC (JTCP - PCC) | 2024-10-25 | 2029-10-25 | Active | Gabriela Lopez | Lab 1, Lab 2, Lab 3 | (No comments) |
| CT 521.1 Compressive Strength - PCC (ASTM C39 / C617) | 2021-06-10 | 2023-06-10 | Expired | Brandt Houchen | Lab 1, Lab 2, Lab 3 | Created based on CT521 certificate ID61613 |
| CT 521.2 Compressive Strength - PCC (ASTM C39 / C1231) | 2021-06-10 | 2023-06-10 | Expired | Brandt Houchen | Lab 1, Lab 2, Lab 3 | Created based on CT521 certificate ID61613 |
| CT 523.1 Section B.1 & B.2 Flexural Strength (Field Fabrication) (JTCP - PCC) | 2024-10-25 | 2029-10-25 | Active | Gabriela Lopez | Lab 1, Lab 2, Lab 3 | (No comments) |
| CT 523.2 Section B.3 Flexural Strength (Lab Test) | 2021-06-10 | 2023-06-10 | Expired | Brandt Houchen | Lab 1, Lab 2, Lab 3 | (No comments) |
| CT 524 Flexural Strength of Rapid Strength - PCC | 2021-06-10 | 2023-06-10 | Expired | Brandt Houchen | Lab 1, Lab 2, Lab 3 | (No comments) |
| CT 533 Ball Penetration - PCC | 2021-06-10 | 2023-06-10 | Expired | Brandt Houchen | Lab 1, Lab 2, Lab 3 | (No comments) |
| CT 539 Sampling Fresh Concrete (JTCP - PCC) | 2024-10-25 | 2029-10-25 | Active | Gabriela Lopez | Lab 1, Lab 2, Lab 3 | (No comments) |
| CT 540 Making Cylinders - PCC (JTCP - PCC) | 2024-10-25 | 2029-10-25 | Active | Gabriela Lopez | Lab 1, Lab 2, Lab 3 | (No comments) |
| CT 543 Air Content of PCC - Volumetric Method (JTCP - PCC) | 2024-10-25 | 2029-10-25 | Active | Gabriela Lopez | Lab 3 | (No comments) |
| CT 556 Slump - PCC (JTCP - PCC) | 2024-10-25 | 2029-10-25 | Active | Gabriela Lopez | Lab 1, Lab 2, Lab 3 | (No comments) |
| CT 557 Temperature - PCC (JTCP - PCC) | 2024-10-25 | 2029-10-25 | Active | Gabriela Lopez | Lab 1, Lab 2, Lab 3 | (No comments) |
AASHTO/ASTM Proficiencies
| Test Method | Obtained Date | Expiration Date | Status | IA Responsible | Within Lab(s) Scope | Comments |
|---|---|---|---|---|---|---|
No results found. | ||||||
JTCP Sessions
| JTCP Training Code | JTCP Training Start Date | JTCP Training End Date |
|---|---|---|
No results found. | ||
For concerns with missing or erroneous data, please contact your Independent Assurance personnel