GEOCON CONSULTANTS, INC. - FIRST AMENDMENT (#2024175)

6671 Brisa Street ■ Livermore, California 94550 ■ Tel (925) 371-5900 Page 2 of 2 SOIL AND AGGREGATE PROPERTIES #200 Wash (D1140/C117) ............................................ $90/ea. Moisture Determination, tube sample (D2216) ............ $20/ea. Wet Sieve Analysis to #200 (D422/CAL202) ................. 125/ea. Moisture Determination and Unit Weight (D2937) ....... 40/ea. Dry Sieve Analysis, 1.5”+ Aggregate (D6913) ................ 350/ea. Atterberg Limits: Plasticity Index (D4318) ..................... 210/ea. Hydrometer Analysis (D422) ........................................... 175/ea. Sand Equivalent (D2419/CAL217) ................................ 100/ea. Sieve Analysis with Hydrometer (D422) ......................... 200/ea. pH and Resistivity (CAL643) ........................................... 125/ea. Specific Gravity, Soil (T100) ............................................ 100/ea. Sulfate Content (CAL417) ............................................... 95/ea. Specific Gravity Coarse Aggregate (C127) ...................... 75/ea. Chloride Content (CAL422) ............................................. 55/ea. Specific Gravity Fine Aggregate (C128) .......................... 100/ea. Organic Content (D2974) ................................................ 85/ea. SHEAR STRENGTH Unconfined Compression (D2166) ................................. $110/ea. CONCRETE / MASONRY / REINFORCING STEEL Direct Shear (3 points) (D3080) ..................................... 350/ea. Compressive Strength, Cast Cylinders (C39) ................. $30/ea. Unconsolidated-Undrained Triaxial Shear (D2850) ....... 135/pt. Compressive Strength, Cores (C42) ............................... 85/ea. Unconsolidated-Undrained Triaxial Staged (D2850) ..... 185/ea. Flexural Strength Beam (C78/C293) ............................. 80/ea. Consolidated-Undrained Triaxial Shear (D4767) ........... 315/pt. Splitting Tensile Test (C496) ........................................... 80/ea. Consolidated-Undrained Triaxial Staged (D4767) ......... 390/ea. DSA Masonry Shear (DSA-207) ...................................... 75/ea. Consolidated-Drained Triaxial Shear (EM1110) ............ 400/pt. Shotcrete Panel Coring and Comp. Strength (C1140) .. 100/ea. Consolidated-Drained Triaxial Staged (EM1110) ........... 600/ea. Rebar Tensile/Bend (up to #11/#11 and larger) …... 275/300/ea. CMU Compressive Strength (C140) ............................... 100/ea. PERMEABILITY, CONSOLIDATION AND EXPANSION Compressive Strength, Grout (C1019/UBC 21-19) ....... 30/ea. Permeability, Flexible Wall (D5084) ............................... $315/ea. Compressive Strength, Mortar (C109/UBC 21-15,16) . 30/ea. Permeability, Rigid Wall (D5856) .................................... 315/ea. CMU Unit Wt., Dimen., Absorption (C140) ..................... 75/ea. Consolidation (D2435) .................................................... 65/pt. Compressive Strength, Masonry Prism (C1314) ........... 250/ea. Expansion Index (D4829/UBC 29-2) .............................. 225/ea. Swell/Collapse (D4546) .................................................. 175/pt. HOT MIX ASPHALT HMA Air Voids, Gyratory (T269) ...................................... $525/ea. AGGREGATE QUALITY Hamburg Wheel Tracker (T324) ..................................... 1,000/ea. Sieve Analysis to #200 (C136) ....................................... $125/ea. Theoretical Max. Specific Gravity (D2041/CAL309) ..... 180/ea. L.A. Rattler Test (500 rev.) (C131) .................................. 225/ea. Ignition/Sieve Analysis (C136/CAL202) ........................ 250/ea. Durability Index (D3744/CAL229) .................................. 165/ea. HMA Core Unit Weight (D1188/CAL308) ....................... 100/ea. Fine Aggregate Angularity (CAL 234) .............................. 125/ea. % Asphalt, Ignition Method (D6307/CAL382) ............... 125/ea. Flat and Elongated Particles (D4791/CAL 235) ............ 150/ea. % Asphalt, Ignition Calibration (D6307/CAL382) ............ 400/ea. Percent Crushed Particles (CAL205) .............................. 150/ea. Tensile Strength Ratio (T283) ……………………………… ... 1,000/ea. *2X surcharge on rush turnaround for laboratory testing TERMS AND CONDITIONS 1. Listed are typical charges for the services most frequently performed by Geocon. Prices for unlisted services as well as special quotations for programs involving volume work will be provided upon request. Laboratory test prices shown are for laboratory work only, and include reporting of routine results not calling for comments, recommendations or conclusions. 2. Sampling and testing is conducted in substantial conformance with the latest applicable or designated specifications of the American Society for Testing and Materials, Caltrans, American Association of State Highway and Transportation Officials, or other pertinent agencies. 3. Saturday, night work, and overtime hours are charged at time and one-half; Sundays and holidays at double time. Per diem may apply when location of work dictates. 4. Outside services including subcontractors will be billed at cost plus 15%. Hourly services are billed portal to portal from closest office in accordance with the stated hourly rates herein, with a minimum two-hour charge. 5. Invoices will be submitted at four-week intervals. Terms of payment are met upon presentation of invoice. Invoices become delinquent thirty (30) days from invoice date and subject to one and one-half percent (1-1/2%) service charge per month, or the maximum rate allowed by law, whichever is lower. If Client objects to all or any portion of any invoice, Client will so notify Geocon in writing within fourteen (14) calendar days of the invoice date, identify the cause of disagreement, and pay that portion of the invoice not in dispute. The parties will immediately make every effort to settle the disputed portion of the invoice. Payment on delinquent invoices will first be applied to accrued interest and then to the principal amount. All time spent and expenses incurred (including any attorney's fees and costs) in connection with collection of any delinquent amount will be paid by Client to Geocon per Geocon's current fee schedule. 6. The above rates include all applicable fringe, overhead and profit calculations. No additional percentages for overhead, profit, or any other costs related to labor will be charged. Rates are current for Fiscal Year 2026-27 (7/1/2026 – 6/30/2027). The City will consider annual adjustments based on CPI (Consumer Price Index , May of applicable years) and submitted prior to the end of the fiscal year for approval based on ENR Construction Index for San Francisco and Bay Area. 7. Reimbursable expenses are in addition to the agreed hourly fees and include actual expenditures made by the consultant in the interest of the project. Eligible reimbursable expenses shall be billed at cost with a 10% markup. Reimbursable expenses include such items as postage, reproduction, drawing plotting, printing, special materials, or equipment for project deliverable to the City. Consultant’s printing and reprographics for internal uses are excluded. Docusign Envelope ID: 2FAAE772-7CFF-8B4E-8194-CF3740250640