Active SLED Opportunity · CALIFORNIA · SHASTA COUNTY
AI Summary
Shasta County, CA seeks a qualified consulting firm for on-call materials testing services for public works projects. This RFQ requests qualifications, not project bids, with a focus on experienced materials testing analysis. Electronic bids due by August 21, 2026.
The County carries out various public works projects and maintenance activities, using a variety of local, state, and federal funding sources. Due to limited in-house staffing and expertise, the County is seeking a qualified consulting firm to provide materials testing services. This RFQ is not for specific projects, but for specific services. The Consultant will have strong, demonstrated experience performing materials testing analysis. **Project Type**: RFQ - Request for Qualifications (Formal) **Source ID**: PU.AG.USA.2499409.C14872776 **Piggyback Contract**: No **Question Acceptance Deadline**: 08/14/2026 06:00 PM EDT **Questions are submitted online**: Yes **Bid Submission Type**: Electronic Bid Submission **Additional Bidding Instructions**: The Fee Proposal will be a rate schedule showing the applicable rates for labor, travel, and the performance of the materials testing listed in the attached Schedule of Services and Fees (Attachment B). These rates shall be considered to include all direct personnel rates, overhead rates, equipment and vehicle charges, mobilization, travel and per diem charges, office and... **Owner Organization**: Dept. of Public Works **Reference Number**: 0000431120 **Pricing**: Item Based **Bid Documents List**: | Item Name | Description | Mandatory | Limited to 1 file | |---|---|---|---| | Bid Documents | Documents defining the proposal | No | No | **Line Items**: | description | quantity | uom | |---|---|---| | Project /Laboratory Manager | 1.0 | Hour | | Laboratory Technician (for tests or services not listed below) | 1.0 | Hour | | Field Technician Hourly Rate (FTHR) with Vehicle Properly Equipped to Perform Required Field Tests and Inspections. | 1.0 | Hour | | Travel Time | 1.0 | Hour | | Mileage | 1.0 | Mile | | California Test 202 - Sieve Analysis of Fine and Coarse Aggregates | 1.0 | Each | | California Test 204 - Liquid Limit, Plastic Limit, and Plasticity Index of Soils | 1.0 | Each | | California Test 205 - Percentage of Crushed Particles | 1.0 | Each | | California Test 206 - Specific Gravity and Absorption of Coarse Aggregate | 1.0 | Each | | California Test 207 - Specific gravity and Absorption of Fine Aggregate | 1.0 | Each | | California Test 208 - Apparent Specific Gravity of Fine Aggregates | 1.0 | Each | | California Test 209 - Specific gravity of Soils | 1.0 | Each | | California Test 211 - Abrasion of Coarse Aggregates using Los Angeles Rattler | 1.0 | Each | | California Test 212 - Unit Weight of Aggregate | 1.0 | Set | | California Test 213 - Organic Impurities in Concrete Sand | 1.0 | Each | | California Test 214 - Soundness of Aggregates by Use of Sodium Sulfate | 1.0 | Each | | California Test 216 - Relative Compaction of Soils and Aggregates | 1.0 | Hour | | California Test 217 - Sand Equivalent | 1.0 | Each | | California Test 223 - Surface Moisture in Concrete Aggregates by the Displacement Method (Field Method) | 1.0 | Hour | | California Test 224 - Bulk Specific Gravity (S.S.D.) of Coarse Aggregate By the Displacement Method (Field Method) | 1.0 | Hour | | California Test 225 - Bulk Specific Gravity (S.S.D.) of Fine Aggregate By the Displacement Method (Field Method) | 1.0 | Hour | | California Test 226 - Moisture Content of Soils and Aggregates By Oven Drying | 1.0 | Each | | California Test 227 - Evaluating Cleanness of Coarse Aggregate | 1.0 | Each | | California Test 229 - Durability Index | 1.0 | Each | | California Test 231 - Relative Compaction of Untreated and Treated Soils and Aggregates Using Nuclear Gage | 1.0 | Hour | | California Test 233 - Ascertaining the Homogeneity of Concrete In Cast-In-Drilled-Hole Piles Using the Gamma-Gamma Test Method | 1.0 | Each | | AASHTO T27 - Aggregate Gradation | 1.0 | Each | | AASHTO T 304, Method A - Fine Aggregate Angularity | 1.0 | Each | | ASTM D422 / AASHTO T88 - Particle Size, Analysis (Hydrometer) | 1.0 | Each | | ASTM D854 - Specific Gravity of Soils | 1.0 | Each | | ASTM 1557 - Laboratory Compaction, Modified effort | 1.0 | Each | | ASTM D1556 - Density by Sand Cone | 1.0 | Hour | | ASTM D2216 - Moisture Content | 1.0 | Each | | ASTM D4318 - Plasticity Index, Liquid Limit and Plastic Limit | 1.0 | Each | | ASTM D4791 - Flat and Elongated Particles | 1.0 | Each | | ASTM D5821 - Percentage of Fractured Particles in Coarse Aggregate | 1.0 | Each | | ASTM D6938 - Nuclear Gage Compaction | 1.0 | Hour | | California Test 301 - Resistance "R" Value of Treated and Untreated Bases, Subbases, and Basement Soils by the Stabilometer | 1.0 | Each | | California Test 302 - Film Stripping | 1.0 | Each | | California Test 308 - Bulk Specific Gravity and Density of Compacted Hot Mix Asphalt (HMA) | 1.0 | Each | | California Test 309 - Theoretical Maximum Specific Gravity and Density of Hot Mix Asphalt (HMA) | 1.0 | Each | | California Test 310 - Asphalt and Moisture Contents of Bituminous Mixtures by Hot Solvent Extraction | 1.0 | Each | | California Test 312 - Design and Testing of Classes "A" and "B" Cement Treated Bases | 1.0 | Each | | California Test 331 - Residue by Evaporation of Latex Modified Asphalt | 1.0 | Each | | California Test 332 - Recovery from Deformation of Latex Modified Asphalt Emulsion Residue | 1.0 | Each | | California Test 338 - Cement or Lime Content in Treated Aggregate by the Titration Method | 1.0 | Each | | California Test 339 - Field Test for the Determination of Distributor Spread Rate | 1.0 | Hour | | California Test 371 - Tensile Strength Ratio | 1.0 | Each | | California Test 375 - In-place Density and Relative compaction of Hot Mix Asphalt | 1.0 | Hour | | California Test 384 - Gradation for HMA using up to 25% RAP | 1.0 | Each | | California Test 401 - Latex Concentration in Asphalt Emulsions | 1.0 | Each | | AASHTO R28 - Pressure Aging Vessel | 1.0 | Each | | AASHTO T27 - Sieve Analysis of Fine and Coarse Aggregates | 1.0 | Each | | AASHTO T44 - Solubility | 1.0 | Each | | AASHTO T48 - Flash Point | 1.0 | Each | | AASHTO T49 - Penetration of Bituminous Materials | 1.0 | Each | | AASHTO T51 - Ductility | 1.0 | Each | | AASHTO T59 - Test for Emulsified Asphalts | 1.0 | Each | | AASHTO T96 - Abrasion of Coarse Aggregates using Los Angeles Rattler | 1.0 | Each | | AASHTO T176 - Sand Equivalent | 1.0 | Each | | AASHTO T164 / ASTM D1856 - Binder Recovery | 1.0 | Each | | AASHTO T209 - Theoretical Maximum Density | 1.0 | Each | | AASHTO T240 - Rolling thin Film Oven | 1.0 | Each | | AASHTO T255 - Moisture Content | 1.0 | Each | | AASHTO T269 - Air Void Content | 1.0 | Each | | AASHTO T283 - Moisture Susceptibility | 1.0 | Each | | AASHTO T301 - Elastic Recovery | 1.0 | Each | | AASHTO T308 Method A - Asphalt Binder Content of Bituminous Paving | 1.0 | Each | | AASHTO T313 - Creep Stiffness | 1.0 | Each | | AASHTO T315 - Dynamic Shear | 1.0 | Each | | AASHTO T316 - viscosity | 1.0 | Each | | AASHTO T324 M - Hamburg Wheel | 1.0 | Each | | AASHTO T329 - Moisture Content of Bituminous Mixtures | 1.0 | Each | | AASHTO T335 - Percentage of Crushed Particles | 1.0 | Each | | ASTM D92 - Asphalt Modifier Flashpoint, Cleveland Open Cup | 1.0 | Each | | ASTM D244 - Standard Test Methods and Practices for Emulsified Asphalts | 1.0 | Each | | ASTM D297 - Crumb Rubber Modifier Rubber Content | 1.0 | Each | | ASTM D445 - Asphalt Modifier Viscosity | 1.0 | Each | | ASTM D2007 - Asphalt Modifier Molecular Analysis | 1.0 | Each | | ASTM D2171 - Viscosity of Asphalts by VCV | 1.0 | Each | | ASTM D2172 M - Quantitative Extraction of Bitumen from Bituminous Paving Mixtures | 1.0 | Each | | ASTM D3723 - Ash Content | 1.0 | Each | | ASTM D7741 - Asphalt Rubber Binder Viscosity | 1.0 | Each | | Standard Specifications, Section 92 - Tack Coat, Asphaltic Emulsion | 1.0 | Each | | Standard Specifications, Section 92 - Tack Coat, Asphalt Binder | 1.0 | Each | | Standard Specifications, Section 92 - Asphalt Binder Properties | 1.0 | Each | | SP-2 Asphalt Mixture Volumetric - Dust Proportion | 1.0 | Each | | SP-2 Asphalt Mixture Volumetric - Voids in Mineral Aggregate | 1.0 | Each | | ISSA TB- 100 - Wet Track Absorption | 1.0 | Each | | ISSA TB- 106 - Slurry Seal Consistency | 1.0 | Each | | ISSA TB- 109 - Excess Asphalt | 1.0 | Each | | ISSA TB- 113 - Mix time @ 77 Degrees F | 1.0 | Each | | ISSA TB- 114 - Wet Stripping | 1.0 | Each | | ISSA TB- 115 - Compatibility | 1.0 | Each | | ISSA TB- 139 - Cohesion | 1.0 | Each | | California Test 405 - Chemical Analysis of Water | 1.0 | Each | | California Test 415 - Chloride Content in Organic Additives for Portland Cement Concrete | 1.0 | Each | | California Test 422 - Testing Soils and Water for Chloride Content | 1.0 | Each | | California Test 424 - Testing Conductivity of Soils and Water | 1.0 | Each | | California Test 504 - Air Content of Freshly Mixed Concrete by the Pressure Method | 1.0 | Hour | | California Test 515 - Relative Mortar Strength of Portland Cement Concrete Sand | 1.0 | Each | | California Test 518 - Unit Weight of Fresh Concrete Including Yield | 1.0 | Hour | | California Test 521 - Concrete Cylinder Compression Test (Set of 4) | 1.0 | Set | | California Test 523 - Flexural Strength of Concrete | 1.0 | Each | | California Test 528 - Freeze-Thaw Resistance of Aggregates in Air-Entrained Concrete | 1.0 | Each | | California Test 529 - Proportions of Coarse Aggregate in Fresh Concrete | 1.0 | Hour | | California Test 530 - ASTM C157 - Effect of Water-Reducing and Set-Retarding Admixtures on the Drying Shrinkage of Concrete | 1.0 | Each | | California Test 533 - Ball Penetration in Fresh Portland Cement Concrete | 1.0 | Hour | | California Test 537 - Drying Shrinkage of Light Weight Concrete | 1.0 | Each | | California Test 539 - Sampling Fresh Concrete | 1.0 | Hour | | California Test 540 - Making, Handling and Storing Concrete Cylinders in the Field | 1.0 | Hour | | California Test 541 - Flow of Grout Mixtures (Flow Cone Method) | 1.0 | Hour | | California Test 547 - Operation of Bridge Profilograph and Evaluation of Profiles | 1.0 | Hour | | California Test 548 - Evaluation of Aggregate for Lean Concrete Base (LCB) | 1.0 | Each | | California Test 549 - Prequalification of Concrete Aggregates | 1.0 | Each | | California Test 556 - Slump of Fresh Portland Cement | 1.0 | Hour | | ASTM C31/31M - Air Content | 1.0 | Hour | | ASTM C173/C173M - Air Content | 1.0 | Hour | | ASTM C143 - Slump | 1.0 | Hour | | ASTM C260 - Air Entraining Properties, Chloride Identification | 1.0 | Each | | ASTM C494 - Water Reducers, Set Retarders, Chloride Identification | 1.0 | Each | | ASTM C109 - Masonry Grout/Mortar | 1.0 | Each | | California Test 643 - Resistivity and pH Measurements for Soil and Water | 1.0 | Each | | California Test 670 - Mechanical and Welded Reinforcing Steel Splices | 1.0 | Each | | Structural Concrete Mix Design Review | 1.0 | Each | | Asphalt Concrete Mix Design Review | 1.0 | Each | | Compression Test, 8"x8"x16" CMU Prism or Smaller | 1.0 | Each | | Percolation Rate of Soils Using 12" Diameter Hole (Excluding I.D. Trenches) | 1.0 | Each | | Percolation Rate of Soils Using 6" Diameter Hole (Excluding I.D, Trenches) | 1.0 | Each |
SLED stands for State, Local, and Education. These are solicitations issued by state governments, counties, cities, school districts, utilities, and higher education institutions — as opposed to federal agencies.
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