Lab details for Sierra Geotech- Sacramento

Basic Information

Lab NameSierra Geotech- Sacramento
Manager NameRaymond Downes
Lab Telephone916-425-0359
Lab Fax
Lab Full Address320 N 10th Street, Suite 106, Sacramento, CA 95811
Lab TypePrivate
Mobile Lab Full Address, ,
Mobile Lab Tel(not set)

RSP Information

4470 Yankee Hill Road, Suite 110, Rocklin, CA 95677

Test Methods

California Test (CT) Accreditations

AASHTO/ASTM Proficiencies

Total 3 items.
Test MethodObtained DateExpiration DateStatusIA ResponsibleTechnician Certified?
AASHTO T166: Bulk SpG of Compacted HMA - SSD (JTCP)2024-04-102025-04-10ActiveJoshua GallawayNo
AASHTO T209: Max SpG and Density - HMA (JTCP)2024-04-102025-04-10ActiveJoshua GallawayNo
AASHTO T275: Bulk SpG - HMA (JTCP)2024-04-102025-04-10ActiveJoshua GallawayNo

Technicians in the Lab

Technician Summary

Total 1 item.
First NameLast NameActions
RaymondDownes View

Technician Details

Details for Raymond Downes

First NameRaymond
Last NameDownes
Total 42 items.
Certified California Tests(CT)
Test MethodObtained DateExpiration DateStatusIA ResponsibleWithin Lab Scope?
CT 105: Calculations - Gradings (JTCP)2021-10-012024-10-01ActiveSoroosh AmelianNo
CT 125 ADMIX: Sampling - ADMIXTURE2017-10-232018-10-23ExpiredJackie TreatNo
CT 125 AGG: Sampling - AGGREGATES (JTCP)2021-10-012024-10-01ActiveSoroosh AmelianNo
CT 125 AGG: Sampling - AGGREGATES2022-12-142023-12-14ExpiredRahshaun SpearsNo
CT 125 BIT: Sampling - BITUMINOUS2017-10-232018-10-23ExpiredJackie TreatNo
CT 125 CEM: Sampling - CEM2017-10-232018-10-23ExpiredJackie TreatNo
CT 125 GEN: Sampling - GENERAL2022-12-142023-12-14ExpiredRahshaun SpearsNo
CT 125 HMA: Sampling - HMA (JTCP)2017-10-232018-10-23ExpiredJackie TreatNo
CT 125 HMA: Sampling - HMA2022-12-142023-12-14ExpiredRahshaun SpearsNo
CT 201: Sample Preparation - Soil and Aggregates (JTCP)2021-10-012024-10-01ActiveSoroosh AmelianNo
CT 202: Sieve analysis - Fine and Coarse Aggregates (JTCP)2021-10-012024-10-01ActiveSoroosh AmelianNo
CT 204: LL, PL, PI2017-10-232018-10-23ExpiredJackie TreatNo
CT 205: Percent Crushed Particles (JTCP)2021-10-012024-10-01ActiveSoroosh AmelianNo
CT 206: SpG & Absorption - Coarse Aggregates2016-10-102017-10-10ExpiredJackie TreatNo
CT 207: SpG & Absorption - Fine Aggregates2016-10-102017-10-10ExpiredJackie TreatNo
CT 211: LA Rattler2016-10-102017-10-10ExpiredJackie TreatNo
CT 212: Unit Weight of Aggregates2016-10-102017-10-10ExpiredJackie TreatNo
CT 213: Organic Impurities of PCC sand2016-10-102017-10-10ExpiredJackie TreatNo
CT 214: Sodium Sulfate Soundness2016-10-102017-10-10ExpiredJackie TreatNo
CT 216: Relative Compaction - Soils and Aggregates (JTCP)2021-10-012024-10-01ActiveSoroosh AmelianYes
CT 217: Sand Equivalent (JTCP)2021-10-012024-10-01ActiveSoroosh AmelianNo
CT 226: Moisture Content - Soils and Aggregates (JTCP)2021-10-012024-10-01ActiveSoroosh AmelianNo
CT 227: Cleanness Value (JTCP)2021-10-012024-10-01ActiveSoroosh AmelianNo
CT 229: Durability (JTCP)2021-10-012024-10-01ActiveSoroosh AmelianNo
CT 231: Relative Compaction - Nuclear Gage2022-12-142023-12-14ExpiredRahshaun SpearsNo
CT 234: Uncompacted void - Fine Aggregates2016-10-102017-10-10ExpiredJackie TreatNo
CT 235: Flat and Elongated Particles2016-10-102017-10-10ExpiredJackie TreatNo
CT 371: Moisture Induced Damage (TSR)2016-10-102017-10-10ExpiredJackie TreatNo
CT 375: AC Density by Nuclear Gage2022-12-142023-12-14ExpiredRahshaun SpearsYes
CT 504: Air Content of PCC - Pressure Method (JTCP)2018-01-272023-01-27ExpiredBiplab BhattacharyaNo
CT 518: Unit Weight - PCC (JTCP)2018-01-272023-01-27ExpiredBiplab BhattacharyaNo
CT 521.2: Compressive Strength - PCC (ASTM C39 / C1231)2023-07-312024-07-31ActiveIgnocencio HerreraNo
CT 521.1: Compressive Strength - PCC (ASTM C39 / C617)2023-07-312024-07-31ActiveIgnocencio HerreraNo
CT 523.1 Section B.1 & B.2: Flexural Strength (Field Fabrication) (JTCP)2017-10-232018-10-23ExpiredJackie TreatNo
CT 523.2 Section B.3: Flexural Strength (Lab Test)2023-07-312024-07-31ActiveIgnocencio HerreraNo
CT 524: Flexural Strength of Rapid Strength - PCC2023-07-312024-07-31ActiveIgnocencio HerreraNo
CT 533: Ball Penetration - PCC2017-10-232018-10-23ExpiredJackie TreatNo
CT 539: Sampling Fresh Concrete (JTCP)2018-01-272023-01-27ExpiredBiplab BhattacharyaNo
CT 540: Making Cylinders - PCC (JTCP)2018-01-272023-01-27ExpiredBiplab BhattacharyaNo
CT 543: Air Content of PCC - Volumetric Method (JTCP)2018-01-272023-01-27ExpiredBiplab BhattacharyaNo
CT 556: Slump - PCC (JTCP)2018-01-272023-01-27ExpiredBiplab BhattacharyaNo
CT 557: Temperature - PCC (JTCP)2018-01-272023-01-27ExpiredBiplab BhattacharyaNo
AASHTO/ASTM Proficiencies
Test MethodObtained DateExpiration DateStatusIA ResponsibleWithin Lab Scope?
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