CITY OF TUCSON

REQUEST FOR QUALIFICATIONS

270124

ON-CALL GEOTECHNICAL ENGINEERING & MATERIALS TESTING

SERVICES

Due Date: Thursday, September 10, 2026

City of Tucson

255 W Alameda St

Tucson, AZ 85701

Procurement portal https://secure.procurenow.com/portal/tucson-az

Public Portal https://secure.procurenow.com/portal/tucson-az/projects/270773

PUBLISH DATE: August 13, 2026 https://secure.procurenow.com/portal/%7Bproject.government.code%7D https://secure.procurenow.com/portal/%7Bproject.government.code%7D/projects/%7Bproject.id%7D https://secure.procurenow.com/portal/%7Bproject.government.code%7D/projects/%7Bproject.id%7D

CITY OF TUCSON REQUEST FOR QUALIFICATIONS NO. 270124

BUSINESS SERVICES DEPARTMENT Page 2 of 55 SHARED SERVICES PROCUREMENT DIVISION RESPONSIBLE CONTRACT OFFICER: Leticia Riesgo

255 W. ALAMEDA, 6TH FLOOR, TUCSON, AZ 85701 PH: (520) 837-4138

Attachments:

A - Offer and Acceptance Page C - 270124 SBE Provisions D - 270124 ASTM Certification

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A. NOTICE

A.1. City of Tucson

NOTICE OF REQUEST FOR QUALIFICATIONS NO. 270124

On-Call Geotechnical Engineering & Materials Testing Services

Notice is hereby given that the City of Tucson, hereinafter referred to as "COT" or "City", is conducting a competitive One-Step Process to retain approximately EIGHT (8) Firms to provide professional consulting services for geotechnical engineering and materials testing services. The City is seeking firms (hereinafter referred to as “Consultant”) to provide consultant services in the form of a multi-disciplinary team. The estimated annual budget for this project is three hundred thousand dollars ($300,000). Individual projects not to exceed two-hundred fifty thousand dollars ($250,000) however, typical projects are under fifty thousand dollars ($50,000). Services will be requested on an as-needed, if-needed basis and the resultant contract is neither exclusive nor a commitment by COT that the Consultant's services will be required.

COT invites interested firms to submit written Statements of Qualifications (SOQs) relating to this solicitation. A Screening Committee will evaluate firms’ qualifications and experience with similar projects. The firm(s) determined to be best qualified will then be invited to enter into negotiations with COT for billing rates under the contract. (Selection Plan: i.e.approximately EIGHT (8) firms will be selected.)

Questions must be addressed to the Contract Officer listed in the solicitation.

SUBMITTAL DUE DATE: Thursday, September 10, 2026 AT 2:00 pm LOCAL AZ TIME

PRE-SUBMITTAL MEETING DATE:Thursday, August 20, 2026

TIME: 1:00 pm LOCAL AZ TIME

LOCATION: Pre-Submittal Conference (Microsoft Teams)

Meeting ID: 278 822 170 774 370

Passcode: 6bD26BA7

Dial in by phone

+1 213-293-2303

Phone conference ID: 547 250 033#

QUESTIONS SHALL BE DIRECTED TO:

Leticia Riesgo

(520) 837-4138 leticia.riesgo@tucsonaz.gov https://teams.microsoft.com/meet/278822170774370?p=76MYEAKa8jUnL4xon9

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Publication Dates:Monday, August 17, 2026 and Monday, August 24, 2026 published in The Daily Territorial

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B. INTRODUCTION

B.1. Summary

The City of Tucson is conducting a competitive One-Step Process to retain approximately EIGHT (8) CONSULTANTS to provide professional consulting services for geotechnical engineering and materials testing services. The estimated annual budget for this contract is three hundred thousand dollars ($300,000). Individual projects not to exceed two-hundred fifty thousand dollars ($250,000) however, typical projects are under fifty thousand dollars ($50,000). The term of this contract will be three years with one (1) two-year renewal option. Services will be requested on an as-needed, if-needed basis and the resultant contract is neither exclusive nor a commitment by COT that the Consultant's services will be required.

B.2. Contact Information

Leticia Riesgo Senior Contract Officer Email: leticia.riesgo@tucsonaz.gov Phone: (520) 837-4138 Department:

Transportation & Mobility mailto:leticia.riesgo@tucsonaz.gov tel:(520)837-4138

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C. SCOPE OF WORK

C.1. Scope of Work

1. GENERAL INFORMATION

The City of Tucson (COT) intends to establish annual requirements contracts for the provision of various geotechnical engineering and materials testing services obtained through several City Departments on an "as-needed" basis. Consultants selected shall be responsible for the quality, technical accuracy, timely completion, and coordination of all services provided under this contract. Consultant shall, without additional compensation, correct and/or revise any errors or deficiencies in its drawings, calculations, reports, and/or other services.

The Regional Transportation Authority (RTA) may provide funding for some of the testing requested by the City. As such, the RTA shall be included as an additional insured and indemnitee on the resulting contract.

Geotechnical Engineering Services, including but not limited to:

• Provide design and recommendations for excavation and fill slope stability and/or soil retention during construction as well as long term completion of the project

• Perform subgrade investigations for roadway and provide designs for pavement structures

• Coring or boring to determine soil properties and design parameters

• Provide foundation recommendations for structures

• Provide designs for slope or soil retention including soil cement mix designs

• Review of Plans and Specifications

• Plasticity and remolded swell testing

• Provide earthwork factors for shrink and swell

• Evaluation of collapsible soils

• Construction vibration and noise monitoring and analysis

• Hydrology analysis for impacts on existing structures

Materials Testing Services, including but not limited to:

• Field density testing and reports

• Proctor testing

• Concrete cylinder sampling, testing and reports

• Bituminous and Asphaltic Concrete sampling, testing and reports

• Concrete core sampling, testing and reports

• Soils and aggregate testing, including, but not limited to sieve analysis, Atterberg limits, chemistry testing and sand equivalent

• Continuous earthwork monitoring

• Perform materials testing for soil cement

Other geotechnical and materials testing or inspection services as required by the City.

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A. REQUIREMENTS

All testing and special inspections on projects under this contract shall be done in accordance with the International Building Code (2018 Edition) and the following specifications:

CERTIFICATION AND ACCREDITATION: In order to demonstrate the appropriate accreditation and be eligible for award, offerors shall submit the following Certifications with their Submittal:

• AASHTO (American Association of State Highway and Transportation Officials) Certificate of Accreditation, as well as Cement and Concrete Reference Laboratory (CCRL) inspection and proficiency-sample participation

Failure to submit the required certifications shall result in the Submittal being rejected as non-responsive.

Offerors may submit any additional certifications, including:

o ADOT (Arizona Department of Transportation) Certification

In addition to the required Certifications listed above, Offerors shall complete the ASTM (American Society for Testing and Materials) Certification included as an attachment to this solicitation. The certified statement must be signed by an official of the testing laboratory attesting that the proposed laboratory, meets or conforms to the ASTM standards listed below as appropriate to the testing field:

1. Laboratories engaged in testing of construction materials shall meet the requirements of ASTM E329, ASTM C1077, and ASTM D3666.

2. Laboratories engaged in inspection and testing of steel, stainless steel, and related alloys will be evaluated according to ASTM A880.

3. Laboratories engaged in non-destructive testing (NDT) shall meet the requirements of

ASTM E543.

4. Laboratories engaged in Hazardous Materials Testing shall meet the requirements of OSHA and EPA.

5. Inspection and Testing: Testing laboratory shall inspect materials and workmanship and perform tests described herein and additional tests requested by the Owner. When it appears materials furnished or work performed by Consultant fails to meet construction contract requirements, Testing Laboratory shall direct attention of the Owner to such failure.

6. Written Reports: Testing laboratory shall submit test reports to the Owner and the Consultant within 24 hours after each test is completed unless other arrangements are agreed to in writing by the Owner. Submit reports of tests that fail to meet construction contract requirements on colored paper.

7. Verbal Reports: Give verbal notification to Owner immediately of any irregularity and follow up with email.

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2. CITY APPROVED LIMITATIONS

The City's review, approval, acceptance or payment for any of Consultant’s services shall not be construed to operate as a waiver of any rights under this contract or of any clause of action arising out of the performance of this contract. Consultant shall be and remain liable in accordance with the terms and conditions of this contract and applicable laws for all damages to the City caused by Consultant’s negligent performance of any of the services provided herein.

3. CONSULTANT’S PERFORMANCE

Services shall be completed in a professional manner in accordance with industry accepted testing practices, and specifically:

A. The Consultant shall adhere to the City of Tucson/ADOT Quality Assurance Program in the performance of this contract. This requirement shall not preclude improvements to the quality assurance program providing the City is provided with copies of the modified procedure within three (3) days of the procedure implementation. The City reserves the right to require continued adherence to the original quality adherence procedures if, in staff’s opinion, the modified procedures are less rigorous.

B. The precision and accuracy shall be within the acceptable ranges established.

C. The City may request that sample results outside specified precision limits be repeated at no additional cost. If no precision limit exists, repeat testing may be required if industry standards are not adhered to.

D. Testing personnel must be Arizona Technical Testing Institute (ATTI) and/or American Concrete Institute (ACI) certified to perform the specified tests. Special inspections require specific certifications like reinforced concrete, structural masonry, structural steel, etc.

E. Information or data supplied to the Consultant is provided solely for the convenience of the Consultant. The City assumes no responsibility or liability whatsoever with respect to the sufficiency or accuracy of the information of the data supplied. Consultant shall be responsible for verifying the technical accuracy or sufficiency of information or data directly pertaining to this Contract.

4. MISCELLANEOUS TESTING

Consultant may furnish other miscellaneous tests as required, to include but not limited to: soil boring, prefabricated building materials and chlorine cylinder testing. Also included may be geotechnical, environmental, structural inspections (such as weld certification and steel certification). The costs for those tests shall be subject to good faith negotiation on a case-by-case basis.

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These tests will be according, in most instances, to the following procedures:

▪ Meet with authorized City officials and make site visits to determine problems, existing conditions and requirements, and desired results.

▪ Prepare, for approval, a formal documentation of project requirements, including a statement of alternatives (with probable construction costs, if applicable), in accordance with a format established in consultation with the administering division.

▪ Prepare, for discussion and approval, a time/cost proposal for testing services.

▪ Prepare a work schedule in the form of a progress chart promptly after receipt of written “Notice to Proceed” to show start and completion dates for all major events, and the name of the person(s) responsible for each event.

▪ Upon written “Approval to Proceed”, perform the necessary tests, and report the results.

5. TEST REPORTS

The Construction Quality Control representative(s) shall provide timely reports of all materials testing to the project manager or lead project inspector. Any materials test results not meeting required specifications will be immediately reported to the project manager or lead project inspector. Failure to do so, could result in delaying the construction progress, and possible removal of materials already in-place.

6. TESTS

The following list of categories/tests is presented as being most representative of tests required by various City departments. The list is not meant to be exhaustive.

A. SOIL TESTING

Consultant shall furnish any/all necessary certified personnel at the City of Tucson job sites for the purpose of conducting field soil tests.

Proctors and density tests shall be done in accordance with ASTM D1557 & ASTM D2922.

Plasticity index determination shall be in accordance with ASTM D4318.

Hydraulic Conductivity.

Test References

ARIZ 105 Sampling Soils and Aggregates ARIZ 201 Sieving of Coarse and Fine Graded Soils and Aggregates ARIZ 210 Specific Gravity and Absorption Aggregate of Coarse Aggregates

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ARIZ 211 Specific Gravity and Absorption Aggregate of Fine Aggregates ARIZ 212 Percentage of Fractured Coarse Aggregate Particles ARIZ 225 Maximum Dry Density & Optimum Moisture of Soils by Method A Proctor ARIZ 245 Maximum Dry Density & Optimum Moisture of Soils by Alternate Method D Proctor ARIZ 233 Flakiness of Aggregate ARIZ 236 Determining pH and Minimum Resistivity of Soils AASHTO T11 Materials Finer than No. 200 Sieve by Washing AASHTO T19 Unit Weights and Voids in Aggregate AASHTO T21 Organic Impurities in Fine Aggregates for Concrete AASHTO R58 Dry Preparation of Disturbed Soil and Soil Aggregate Samples for Test AASHTO T89 Determining the Liquid Limit of Soils AASHTO T90 Determining the Plastic Limit and Plasticity Index of Soils AASHTO T146 Wet Preparation of Disturbed Soil Samples for Test AASHTO T176 Method of Test for Sand Equivalent AASHTO T248 Reducing Field Samples of Aggregate to Testing Size AASHTO T255 Total Moisture Content of Aggregate by Drying AASHTO T265 Laboratory Determination of Moisture Content of Soils

B. EARTHWORK

General: The Testing Laboratory shall provide ATTI Field Certified personnel, materials, equipment, and transportation as required to perform the services identified/required herein, within the agreed to schedule and/or time frame. The work to be performed shall be as identified herein and shall include but not be limited to the following:

1. Observe fill and subgrades during proof-rolling to evaluate suitability of surface material to receive fill or base course. Provide recommendations to the Engineer regarding suitability or unsuitability of areas where proof-rolling was observed. Where unsuitable results are observed, witness excavation of unsuitable material and recommend to Engineer extent of removal and replacement of unsuitable materials and observe proof-rolling of replaced areas until satisfactory results are obtained.

2. Provide supervised geotechnical technician to inspect excavation, subsurface preparation, and backfill for structural fill, in accordance with project geotechnical report.

Testing Compaction:

3. Determine maximum density and optimum moisture content for each type of fill, backfill and subgrade material used, in compliance with ASTM D698.

4. Make field density tests in accordance with the primary testing method following ASTM

D2922 wherever possible. Field density tests utilizing ASTM D1556 shall be utilized on a case-by-case basis only if there are problems with the validity of the results from the primary method due to specific site field conditions. Should the testing laboratory propose these alternative methods, they should provide satisfactory explanation to the Engineer before the tests are conducted.

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a. Building Slab Subgrade: At least one test of subgrade for every 185 m2 (2000 square feet) of building slab, but in no case fewer than three tests. In each compacted fill layer, perform one test for every 185 m2 (2000 square feet) of overlaying building slab, but in no case fewer than three tests.

b. Foundation Wall Backfill: One test per 30 m (100 feet) of each layer of compacted fill but in no case fewer than two tests.

c. Pavement Subgrade: One test for each 335 m2 (400 square yards), but in no case fewer than two tests.

d. Curb, Gutter, and Sidewalk: One test for each 90 m (300 feet), but in no case fewer than two tests.

e. Trenches: One test at maximum 30 m (100 foot) intervals per 1200 mm (4 foot) of vertical lift and at changes in required density, but in no case fewer than two tests.

f. Footing Subgrade: At least one test for each layer of soil on which footings will be placed. Subsequent verification and approval of each footing subgrade may be based on a visual comparison of each subgrade with related tested subgrade when acceptable to Engineer. In each compacted fill layer below wall footings, perform one field density test for every 30 m (100 feet) of wall. Verify subgrade is level, all loose or disturbed soils have been removed, and correlate actual soil conditions observed with those indicated by test borings.

Testing for Footing Bearing Capacity: Evaluate if suitable bearing capacity material is encountered in footing subgrade.

Testing Materials: Test suitability of on-site and off-site borrow as directed by Engineer.

Test References ARIZ 225, Appendix A Calibration of Proctor Molds ARIZ 227 Rock Correction for Maximum Density and Optimum Moisture ARIZ 229 Calibration of Standard Sand and Sand Cone ARIZ 230 Field Density by the Sand Cone Method ARIZ 232 Moisture-Density (One Point Proctor) Method A ARIZ 235 Field Density by the Nuclear Method ARIZ 246 Moisture-Density (One Point Proctor) Method D ARIZ 412 Density of Bituminous Mixes by Nuclear Method AASHTO R76 Reducing Samples of Aggregate to Testing Size AASHTO T217 Moisture Content by Calcium Carbide Method

C. CONCRETE STRENGTH TESTS

Consultant shall provide concrete comprehensive strength testing as called for in the latest ASTM designations.

Field preparation of all concrete test samples shall be completed by an ACI Field Certified Technician provided by the Consultant, unless otherwise specified. The City shall deliver the test samples to the laboratory within twenty-four (24) hours. In the case of a special inspection related sample, it shall be delivered to respective lab.

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Consultant shall store all test samples under conditions as called for in the latest ASTM designations.

Maximum storage time shall be thirty (30) days (unless directed otherwise by Engineer) for any one sample.

Actual testing for comprehensive strength shall be done at the time determined for each sample by the City or registered consultant engineer.

The City requires that the sample test molds for sampling concrete to be four inches in diameter and eight inches high.

CONCRETE:

Applicable References:

1. ACI 301 - Specifications for Structural Concrete.

2. ACI 302.1R -Guide for Concrete Floor and Slab Construction.

3. ACI 304R -Guide for Measuring, Mixing, Transporting and Placing Concrete.

4. ACI 305R -Hot Weather Concreting.

5. ACI 306R -Cold Weather Concreting.

6. ACI 308R - Guide to Curing Concrete.

7. ACI 318 -Building Code Requirements for Structural Concrete.

8. ANSI/ASTM D994 -Preformed Expansion Joint Filler for Concrete (Bituminous Type).

9. ANSI/ASTM Concrete Joint Sealer, Hot-Poured Elastic Type.

10. ANSI/ASTM D1751 -Preformed Expansion Joint Fillers for Concrete Paving and Structural

Construction (Non-extruding and Resilient Bituminous Types).

11. ANSI/ASTM D1752 -Preformed Sponge Rubber, Cork, and Recycled PVC Expansion

Joint Fillers for Concrete Paving and Structural Construction.

12. ASTM C33 -Concrete Aggregates.

13. ASTM C94 -Ready-Mixed Concrete.

14. ASTM C150 -Portland Cement.

15. ASTM C260 -Air Entraining Admixtures for Concrete.

16. ASTM C330 -Lightweight Aggregates For Structural Concrete.

17. ASTM C494 -Chemical Admixtures for Concrete.

18. ASTM C618 - Coal Fly Ash and Raw or Calcined Natural Pozzolan for Use in Concrete.

19. ASTM C1116 - Fiber-Reinforced Concrete.

20. Leadership in Energy & Environmental Design Rating System (LEED). Version 2.1 – US

Green Building council (USGBC)

21. 2018 International Building Code, as adopted and modified by the City of Tucson.

Batch Plant Inspection and Materials Testing:

1. Perform continuous batch plant inspection until concrete quality is established to satisfaction of Engineer with concurrence of Contracting Officer and perform periodic inspections thereafter as determined by Engineer.

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2. Periodically inspect and test batch proportioning equipment for accuracy and report deficiencies to Engineer.

3. Sample and test mix ingredients as necessary to ensure compliance with specifications.

4. Sample and test aggregates daily and as necessary for moisture content. Test the dry rodded weight of the coarse aggregate whenever a sieve analysis is made, and when it appears there has been a change in the aggregate.

5. Certify, in duplicate, ingredients and proportions and amounts of ingredients in concrete conform to approved trial mixes. When concrete is batched or mixed off immediate building site, certify (by signing, initialing or stamping thereon) on delivery slips (duplicate) that ingredients in truck-load mixes conform to proportions of aggregate weight, cement factor, and water-cement ratio of approved trial mixes.

Field Inspection and Materials Testing:

1. Provide a ACI Field Certified Technician at site of placement at all times to perform concrete sampling and testing.

2. Review the delivery tickets of the ready-mix concrete trucks arriving on-site. Notify the

Contractor if the concrete cannot be placed within the specified time limits or if the type of concrete delivered is incorrect. Reject any loads that do not comply with the Specification requirements. Rejected loads are to be removed from the site at the Contractor’s expense.

Any rejected concrete that is placed will be subject to removal.

3. Take concrete samples at point of placement in accordance with ASTM C172. Mold and cure compression test cylinders in accordance with ASTM C31. Make at least three cylinders for each 40 m3 (50 cubic yards) or less of each concrete type, and at least three cylinders for any one day's pour for each concrete type. After good concrete quality control has been established and maintained as determined by Engineer make three cylinders for each 80 m3 (100 cubic yards) or less of each concrete type, and at least three cylinders from any one day's pour for each concrete type. Label each cylinder with an identification number. Engineer may require additional cylinders to be molded and cured under job conditions.

4. Perform slump tests in accordance with ASTM C143. Test the first truck each day, and every time test cylinders are made. Test pumped concrete at the discharge end of the hose to determine change in slump.

5. Determine the air content of concrete per ASTM C173. For concrete required to be air-entrained, test the first truck and every 20 m3 (25 cubic yards) thereafter each day. For concrete not required to be air-entrained, test every 80 m3 (100 cubic yards) at random. For pumped concrete, initially test concrete at both the hopper and the discharge end of the hose to determine change in air content.

6. If slump or air content fall outside specified limits, make another test immediately from another portion of same batch.

7. Perform unit weight tests in compliance with ASTM C138 for normal weight concrete. Test the first truck and each time cylinders are made.

8. Notify laboratory technician at batch plant of mix irregularities and request materials and proportioning check.

9. Verify that specified mixing has been accomplished.

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10. Environmental Conditions: Determine the temperature per ASTM C1064 for each truckload of concrete during hot weather and cold weather concreting operations.

a. When ambient air temperature falls below 4.4 degrees C (40 degrees F), record maximum and minimum air temperatures in each 24 hour period; record air temperature inside protective enclosure; record minimum temperature of surface of hardened concrete.

b. When ambient air temperature rises above 29.4 degrees C (85 degrees F), record maximum and minimum air temperature in each 24 hour period; record minimum relative humidity; record maximum wind velocity; record maximum temperature of surface of hardened concrete.

11. Inspect the reinforcing steel placement, including bar size, bar spacing, top and bottom concrete cover, proper tie into the chairs, and grade of steel prior to concrete placement.

Submit detailed report of observations.

12. Observe conveying, placement, and consolidation of concrete for conformance to specifications.

13. Observe condition of formed surfaces upon removal of formwork prior to repair of surface defects and observe repair of surface defects.

14. Observe curing procedures for conformance with specifications, record dates of concrete placement, start of preliminary curing, start of final curing, end of curing period.

15. Observe preparations for placement of concrete:

a. Inspect handling, conveying, and placing equipment, inspect vibrating and compaction equipment.

b. Inspect preparation of construction, expansion, and isolation joints.

16. Observe preparations for protection from hot weather, cold weather, sun, and rain, and preparations for curing.

17. Observe concrete mixing:

a. Monitor and record amount of water added at project site.

b. Observe minimum and maximum mixing times.

18. Measure concrete flatwork for levelness and flatness as follows:

a. Perform Floor Tolerance Measurements FF and FL in accordance with ASTM E1155.

Calculate the actual overall F- numbers using the inferior/superior area method.

b. Perform all floor tolerance measurements within 48 hours after slab installation and prior to removal of shoring and formwork.

c. Provide the Contractor and the Engineer with the results of all profile tests, including a running tabulation of the overall FF and FL values for all slabs installed to date, within 72 hours after each slab installation.

19. Other inspections:

a. Grouting under base plates.

b. Grouting anchor bolts and reinforcing steel in hardened concrete.

Laboratory Tests of Field Samples:

1. Test compression test cylinders for strength in accordance with ASTM C39. For each test series, test two cylinders at 7 days and two cylinders at 28 days (or, at the direction of the

BUSINESS SERVICES DEPARTMENT Page 15 of 55 design professional for vertical projects; this usually takes a set of four test samples/cylinders. Use remaining cylinder as a spare tested as directed by Engineer.

Compile laboratory test reports as follows: Compressive strength test shall be result of two cylinders, except when one cylinder shows evidence of improper sampling, molding or testing, in which case it shall be discarded and strength of spare cylinder shall be used.

2. Make weight tests of hardened lightweight structural concrete in accordance with ASTM C567.

3. Furnish certified compression test reports (duplicate) to Engineer. In test report, indicate the following information:

a. Cylinder identification number and date cast.

b. Specific location at which test samples were taken.

c. Type of concrete, slump, and percent air.

d. Compressive strength of concrete in MPa (psi).

e. Weight of lightweight structural concrete in kg/m3 (pounds per cubic feet).

f. Weather conditions during placing.

g. Temperature of concrete in each test cylinder when test cylinder was molded.

h. Maximum and minimum ambient temperature during placing.

i. Ambient temperature when concrete sample in test cylinder was taken.

j. Date delivered to laboratory and date tested.

D. ROAD BUILDING MATERIALS TESTING

Consultant shall perform the tests in strict accordance with the approved methods.

The City is presenting a quantity (i.e. an estimated number of times the City anticipates requesting the test) to determine a low bidder for the various categories and/or tests. The number of tests are estimates only. The City does not guarantee any number of tests to the Consultant. Offerors should not offer low pricing for one test and expect to recoup costs on another test offered at a higher price.

E. SPECIAL INSPECTION REQUIREMENTS

1.1 DESCRIPTION:

This section specifies materials testing activities and inspection services required during project construction to be provided by a Testing Laboratory retained by the City of Tucson.

1.2 STRUCTURAL APPLICABLE REFERENCES:

The publications listed below form a part of this specification to the extent referenced. The publications are referred to in the text by the basic designation only.

American Society for Testing and Materials (ASTM):

A36................. Carbon Structural Steel.

A108................ Steel Bar, Carbon and Alloy, Cold-Finished.

A123................ Zinc (Hot Dipped Galvanized) Coatings on Iron and Steel Products.

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A153................ Zinc Coating (Hot Dip) on Iron and Steel Hardware.

A325................ Standard Specification for Structural Bolts, Steel, Heat Treated, 120/105 ksi

Minimum Tensile Strength A370................ Standard Test Methods and Definitions for Mechanical Testing of Steel Products A490................ Standard Specification of Heat Treated Steel Structural Bolts, 150ksi Minimum

Tensile Strength A500................ Cold-Formed Welded and Seamless Carbon Steel Structural Tubing in Rounds and Shapes.

A563................ Carbon and Alloy Steel Nuts.

A568................ General Requirements for Steel, Sheet, Carbon, Structural, and High-Strength, Low-Alloy, Hot-Rolled and Cold-Rolled Sheet.

A992................ Structural Steel Shapes.

AISC................ Steel Construction Manual, 13th Edition.

E94................. Standard Guide for Radiographic Testing E142................ Standard Method for Controlling Quality of Radiographic Testing E164................ Standard Practice for Ultrasonic Contact Examination of Weldments E329................ Standard Specification for Agencies Engaged in the Testing and/or Inspection of Materials Used on Construction E543................ Standard Practice for Agencies Performing Non-Destructive Testing E605................ Standard Test Methods for Thickness and Density of Sprayed Fire-Resistive

Material (SFRM) Applied to Structural Members E709................ Standard Guide for Magnetic Particle Examination F1554.............. Anchor Bolts, Steel, 36, 55, and 105 ksi Yield Strength.

American Welding Society (AWS):

D1.1................ Structural Welding Code-Steel AWS A2.4 -Symbols for Welding, Brazing, and Nondestructive Examination.

2.1 STRUCTURAL STEEL:

A. General:

Provide shop and field inspection and testing services to certify structural steel work is done in accordance with contract documents. Welding shall conform to AWS D1.1 Structural Welding Code.

B. Prefabrication Inspection:

1. Review design and shop detail drawings for size, length, type and location of all welds to be made.

2. Approve welding procedure qualifications either by pre-qualification or by witnessing qualifications tests.

3. Approve welder qualifications by certification or retesting.

4. Approve procedure for control of distortion and shrinkage stresses.

5. Approve procedures for welding in accordance with applicable sections of AWS D1.1.

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C. Fabrication and Erection:

1. Weld Inspection:

a. Inspect welding equipment for capacity, maintenance and working condition.

b. Verify specified electrodes and handling and storage of electrodes in accordance with

AWS D1.1.

c. Inspect preparation and assembly of materials to be welded for conformance with AWS

D1.1.

d. Inspect preheating and interpass temperatures for conformance with AWS D1.1.

e. Measure 25 percent of fillet welds.

f. Welding Magnetic Particle Testing: Test in accordance with ASTM E709 for a minimum of:

1) 20 percent of all shear plate fillet welds at random, final pass only.

2) 20 percent of all continuity plate, bracing gusset plate fillet, and brace gusset fin plate

PJP welds, at random, final pass only.

3) 100 percent of tension member fillet and flare-bevel welds (i.e., hanger connection plates and other similar connections) for root and final passes.

g. Welding Ultrasonic Testing: Test in accordance with ASTM E164 and AWS D1.1 for 100 percent of all full penetration welds.

h. Verify that correction of rejected welds are made in accordance with AWS D1.1.

i. Testing and inspection do not relieve the Contractor of the responsibility for providing materials and fabrication procedures in compliance with the specified requirements.

2. Bolt Inspection:

a. Inspect high-strength bolted connections in accordance with AISC Specifications for Structural Joints Using ASTM A325 or A490 Bolts. For vertical inspections, the IBC also uses AISC 360, Chapter N.

b. Fully Pre-tensioned Connections: Inspect 10 percent of bolts, but not less than 2 bolts, selected at random in 25 percent of connections in accordance with AISC Specification for Structural Joints Using ASTM A325 or A490 Bolts. Inspect all bolts in connection when one or more are rejected.

c. Bolts installed by turn-of-nut tightening may be inspected with calibrated wrench when visual inspection was not performed during tightening.

d. Inspect field erected assemblies; verify locations of structural steel for plumbness, level, and alignment.

D. Submit inspection reports, record of welders and their certification, and identification, and instances of noncompliance to the Owner.

3.1 ASPHALT CONCRETE PAVING:

1. Aggregate Base Course:

a. Sample and test aggregate as necessary to ensure compliance with specification requirements for gradation, wear, and soundness as specified in the applicable state highway standards and specifications.

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2. Asphalt Concrete:

a. Aggregate: Sample and test aggregates in stock pile and hot-bins as necessary to ensure compliance with specification requirements for gradation (AASHTO T27), wear (AASHTO T96), and soundness (AASHTO T104).

b. Temperature: Check temperature of each load of asphalt concrete at mixing plant and at site of paving operation.

c. Density: Make a minimum of two field density tests in accordance with ASTM D1188 of asphalt base and surface course for each day's paving operation.

3. Asphalt Binder

a. Shall be a Performance Grade (PG) asphalt binder conforming to the requirements of

AASHTO M 320.

Test References:

ARIZ 103 Sampling Bituminous Materials ARIZ 104 Sampling Bituminous Mixtures ARIZ 247 Particle Shape and Texture of Fine Aggregate Using Uncompacted Void Content ARIZ 406 Moisture Content of Bituminous Mixtures ARIZ 410 Compaction and Testing of Bituminous Mixtures using Four Inch Marshall

Apparatus ARIZ 415 Bulk Specific Gravity and Bulk Density of Compacted Bituminous Mixtures ARIZ 416 Preparing and Splitting Field Samples of Bituminous Mixtures ARIZ 417 Maximum Theoretical Specific Gravity of Field Produced Bituminous Mixtures

(Rice Test) ARIZ 421 Bituminous Material Content of Asphaltic Concrete Mixtures by Nuclear Method ARIZ 424 Determination of Air Voids in Compacted Bituminous Mixtures ARIZ 427 Asphalt Binder Content of Asphaltic Concrete Mixtures by the Ignition Furnace

Method AASHTO T312 Preparing and Determining the Density of Asphalt Mixture by Means of

Superpave Gyratory

4.1 SITE WORK CONCRETE:

Test site work concrete including materials for concrete as required in Article CONCRETE of this section.

5.1 REINFORCEMENT:

Review mill test reports furnished by Contractor.

6.1 MASONRY:

A. Applicable References:

1. ACI 530/530.1 – Building Code Requirements and Specifications for Masonry Structures.

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2. ACI 315 “Details and Detailing of Concrete Reinforcing”

3. ASTM C 90, Grade N.

4. ASTM C 140, normal weight.

5. ASTM C-90 Normal weight concrete masonry units.

6. ASTM A 615, Grade 60 Reinforcing Bars.

7. ASTM A951, Horizontal Joint Reinforcing

8. ASTM C 150, Type II low alkali Portland Cement.

9. ASTM C 207, Type S, special finishing hydrated lime, non-air-entrained.

10. ASTM C 144, Size No. 2, Mortar Sand.

11. ASTM C 404, Size No. 1, Grout Sand.

12. ASTM C 404, Size No. 8 or Size No. 89, Course Aggregate for Grout.

13. ASTM C 20 designation for Type S, Mortar.

14. ASTM C 476 Grout.

B. Mortar Tests:

1. Laboratory compressive strength test:

a. Comply with ASTM C780.

b. Obtain samples during or immediately after discharge from batch mixer.

c. Furnish molds with 50 mm (2 inch), 3 compartment gang cube.

d. Test one sample at 7 days and 2 samples at 28 days.

2. Two tests during first week of operation; one test per week after initial test until masonry completion.

C. Grout Tests:

1. Laboratory compressive strength test:

a. Comply with ASTM C1019.

b. Test one sample at 7 days and 2 samples at 28 days.

c. Perform test for each 230 m2 (2500 square feet) of masonry.

D. Masonry Unit Tests:

1. Laboratory Compressive Strength Test:

a. Comply with ASTM C140.

b. Test 3 samples for each 460 m2 (5000 square feet) of wall area.

E. Prism Tests:

For each type of wall construction indicated, test masonry prisms per ASTM C1314 for each

460 m2 (5000 square feet) of wall area. Prepare one set of prisms for testing at 7 days and one set for testing at 28 days.

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D. INSTRUCTIONS TO OFFERORS

D.1. DEFINITION OF KEY WORDS USED IN THE SOLICITATION

For purposes of this solicitation and subsequent contract, the following definitions shall apply:

City: The City of Tucson, Arizona

Contract: The legal agreement executed between the City and the Contractor/Consultant.

Contractor/Consultant: The individual, partnership, or corporation who, as a result of the competitive solicitation process, is awarded a contract by the City.

Contract Representative: The City employee or employees who have specifically been designated to act as a contact person or persons to the Contractor, and is responsible for monitoring and overseeing the Contractor's performance under this Contract.

Director of Business Services: The contracting authority for the City, authorized to sign contracts and addenda thereto on behalf of the City.

May: Indicates something that is not mandatory but permissible.

Offeror: The individual, partnership, or corporation who submits a proposal in response to a solicitation.

Shall, Will, Must: Indicates a mandatory requirement. Failure to meet these mandatory requirements, if they constitute a substantive requirement, may, at the City’s sole discretion, result in the rejection of a proposal as non-responsive.

Should: Indicates something that is recommended but not mandatory. If the Offeror fails to provide recommended information, the City may, at its sole option, ask the Offeror to provide the information or evaluate the proposal without the information.

D.2. PRE-SUBMITTAL MEETING

A Pre-Submittal Meeting will be held at the date and time stated on the cover page of this solicitation, if such a date and time is provided. Attendance at this meeting is not mandatory, but written minutes and/or notes regarding the meeting will NOT be provided, so attendance is encouraged. The purpose of this meeting will be to clarify the contents of this solicitation in order to prevent any misunderstanding of the City's position.

D.3. INQUIRIES

Any question related to the Request for Qualifications shall be directed to the Contract Officer. An offeror shall not contact or ask questions of the department for whom the requirement is being procured.

The Contract Officer may require any and all questions be submitted in writing. Offerors are encouraged to submit written questions via the Question and Answers section or electronic mail, at least five days prior to the submittal due date. Any correspondence related to a solicitation should refer to the appropriate Request for Qualifications number, page and paragraph number. Oral interpretations or clarifications will be without legal effect.

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D.4. ADDENDUM OF SOLICITATION

Solicitation Addenda will be posted on the City’s link to the online bidding website. Offeror is responsible for checking the webpage regularly for new solicitation addenda and must acknowledge each addendum to this solicitation in its submittal. Please note that vendors who have registered with the Business Services Department at https://procurement.opengov.com/portal/tucson-az and follow the City of Tucson will receive email notifications of solicitation addenda.

D.5. FAMILIARIZATION OF SCOPE OF WORK

Before submitting a statement of qualifications, each Offeror shall familiarize itself with the Scope of Work, laws, regulations and other factors affecting contract performance. The Offeror shall be responsible for fully understanding the requirements of the subsequent Contract and otherwise satisfy itself as to the expense and difficulties accompanying the fulfillment of contract requirements. The submission of a statement of qualifications will constitute a representation of compliance by the Offeror.

There will be no subsequent financial adjustment, other than that provided by the subsequent Contract, for lack of such familiarization.

D.6. PREPARATION OF STATEMENT OF QUALIFICATIONS

A. All submittals shall be on the forms provided in this Request for Qualifications package. It is permissible to copy these forms as required. Facsimiles or electronic mail proposals shall not be considered.

B. At a minimum, your statement of qualification should include the signed Offer form, acknowledgement of any solicitation addenda and your response to all evaluation criteria.

C. The Offer page shall be signed by a person authorized to submit an offer. An authorized signature on the Offer Page, solicitation addendum/addenda or cover letter accompanying the submittal documents shall constitute an irrevocable offer to sell the good and/or service specified herein. Offeror shall submit any additional requested documentation, signifying intent to be bound by the terms of the agreement.

D. The authorized person signing the submittal shall initial erasure, interlineations or other modifications on the submittal.

E. It is the responsibility of all offerors to examine the entire Request for Qualifications package and seek clarification of any requirement that may not be clear and to check all responses for accuracy before submitting a response. Negligence in preparing a submittal confers no right of withdrawal after due date and time.

F. The City shall not reimburse the cost of developing, presenting, submitting or providing any response to this solicitation.

G. Offeror must list any subcontractors to be utilized in the performance of the services specified herein. For each subcontractor, details on respective qualifications must be included.

https://procurement.opengov.com/portal/tucson-az

BUSINESS SERVICES DEPARTMENT Page 22 of 55

D.7. SUBMITTAL FORMAT

A statement of qualifications should be submitted on the forms and in the format specified in the solicitation. Any information that the offeror requested to be held as confidential shall be clearly marked as such. The material should be in sequence and related to the solicitation. The sections of the submittal should be organized, clearly identifiable, and should include a minimum of the following sections: the completed Offer Form, all signed addenda, and the offeror’s response to the Evaluation Criteria. Failure to include the requested information may have a negative impact on the evaluation of the offeror's submittal

D.8. EXCEPTIONS TO CONTRACT PROVISIONS

A response to any Request for Qualifications is an offer to contract with the City based upon the contract provisions contained in the City's Request for Qualifications, including but not limited to, the specifications, scope of services and any terms and conditions. Offerors who wish to propose modifications to the contract provisions must clearly identify the proposed deviations and any proposed substitute language in their submittal. However, the provisions of the Request for Qualifications cannot be modified without the express written approval of the Director or his designee. Proposed modifications or exception to the indemnification language herein shall not be considered. If an offer is returned with modifications to the contract provisions that are not expressly approved in writing by the Director or his designee, the contract provisions contained in the City’s Request for Qualifications shall prevail.

D.9. PUBLIC RECORD

All statements of qualifications submitted in response to this Request for Qualifications shall become the property of the City and shall become a matter of public record available for review subsequent to the award notification.

D.10. CONFIDENTIAL INFORMATION

The City of Tucson is obligated to abide by all public information laws. If an Offeror believes that any portion of a submittal, offer, specification, protest or correspondence contains information that should be withheld, a statement advising the Contract Officer of this fact should accompany the submission and the information shall be so identified wherever it appears. The City shall review all requests for confidentiality and may provide a written determination to designate specified documents confidential or the request may be denied. If the confidential request is denied, such information shall be disclosed as public information, unless the offeror submits a formal written objection.

D.11. CERTIFICATION

By signature on the Offer page, solicitation Addendum(s), or cover letter accompanying the submittal documents, Offeror certifies:

A. The submission of the offer did not involve collusion or other anti-competitive practices.

B. The Offeror shall not discriminate against any employee or applicant for employment in violation of Federal or State law.

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C. The Offeror has not given, offered to give, nor intends to give at any time hereafter, any economic opportunity, future employment, gift, loan, gratuity, special discount, trip, favor, meal or service to a public servant in connection with the submitted offer.

D. The Offeror hereby certifies that the individual signing the submittal is an authorized agent for the Offeror and has the authority to bind the Offeror to the Contract.

D.12. WHERE TO SUBMIT STATEMENT OF QUALIFICATIONS

In order to be considered, Offeror must, no later than the Offer Submittal Deadline, submit its Offer electronically through the City’s online bidding system, https://procurement.opengov.com/portal/tucson-az

NOTE: THE ENTIRE OFFER MUST BE IN "SUBMITTED" STATUS IN THE CITY’S ONLINE BIDDING

SYSTEM IN ORDER TO BE CONSIDERED. RESPONSES THAT HAVE BEEN CREATED IN THE

SYSTEM, BUT THAT ARE NOT IN "SUBMITTED" STATUS BY THE OFFER SUBMITTAL DEADLINE

WILL NOT BE CONSIDERED.

D.13. LATE SUBMITTALS

Late submittals will be rejected.

D.14. OFFER PERIOD

In order to allow for an adequate evaluation, the City requires an offer in response to this solicitation to be valid and irrevocable for ninety (90) days after the submittal due date and time.

D.15. WITHDRAWAL OF SUBMITTAL

At any time prior to the specified solicitation due date and time, an offeror may formally withdraw the submittal by a written letter or electronic mail from the Offeror or a designated representative.

Telephonic or oral withdrawals shall not be considered.

D.16. CONTRACT NEGOTIATIONS

At the completion of the evaluation process, the City may enter into negotiations with the top ranked Offeror(s) to determine fees, and to negotiate any other portion of the Contract deemed by the City to be necessary. In the event that the City is not able to negotiate successfully with the top ranked Offeror(s), the City shall cease negotiations with that Offeror(s) and either begin negotiations with the next ranked Offeror(s) or may choose to cancel the solicitation in its entirety. In the event that the City is not able to negotiate successfully with the next ranked Offeror(s), the City shall cease negotiations with that Offeror(s) and either begin negotiations with the third ranked Offeror(s) or may choose to cancel the solicitation in its entirety. Award shall be made to the Offeror(s) whose submittal and subsequent negotiation is most advantageous to the City

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D.17. VENDOR APPLICATION

Prior to the award of a Contract, the successful offeror shall register with the City’s Business Services Department. Registration can be completed at http://www.tucsonprocurement.com/ by clicking on Vendor Registration for Purchase Orders. Please note that email notifications of newly published solicitations and addenda will be provided to those vendors that select email as their preferred delivery method in their vendor record through the City's Online Bidding System.

D.18. CITY OF TUCSON BUSINESS LICENSE

In order to be eligible for award of a Contract, Offeror must:

A. Register with the City’s Business Services Department. Registration can be completed at https://procurement.opengov.com/portal/tucson-az.

B. Obtain a City of Tucson Business License or a written determination from the City's Business License Section that a license is not required. For questions contact the City's Business License Section at

(520) 791-4566 or email at license@tucsonaz.gov

D.19. UPON NOTICE OF INTENT TO AWARD

The apparent successful offeror(s) shall sign and file with the City, within five (5) days after Notice of Intent to Award, all documents necessary to the successful execution of the Contract.

D.20.