QA/QC and Testing and Inspection

Otay Recreation Center, Otay, CA. The facility is 15,000 square feet including a 9,300 square foot gymnasium, multipurpose weight room, outdoor play area, restrooms, offices and storage. The gym is available for a variety of court sports. This project is located in the city's Southwest Redevelopment Project Area and thus several vacant deteriorated buildings were demolished and a diesel repair business was relocated to make way for the center. Senior Executive for the special inspection and testing for the construction of the reinforced concrete footings and concrete masonry unit shear and bearing walls. Also provided special inspection and on-destructive testing for the structural steel shop fabrication and field erection. In addition inspection and testing for utility trench backfill, pavement sub-grade and aggregate base and asphalt concrete was also provided.

Construction Materials Testing, Caltrans District 11, San Diego CA. Engineering Fee: $6 million. Mr. Fraser was Senior Executive in Charge. Construction materials testing services in the field and laboratory, reporting directly to district engineers. Materials tested included concrete for paving and structures, asphalt during paving, laboratory testing of rebar, and splice couplers, and earthwork inspection and testing during placement of over 5,000,000 cubic yards of fill materials.

Montevalle Community Park, Chula Vista, CA. Senior Executive for testing and inspection of the $19 M design/build project located on 29 acres includes recreational buildings (gymnasium, dance studio and multipurpose facility), athletic fields, hardscape and landscaping. Playing courts and ball fields are post-tensioned. Worked closely with the contractor so that all testing and inspection services would not impact the building schedule. Also provided foundation soils remediation recommendations during construction.

On-Call Geotechnical and Construction Materials Testing Contract (1992-1994, 1998-2001 and 1998-2008) Senior Executive for several Chula Vista facilities including Police Headquarters and Fire Stations #2, #4, and #7 and many other projects.

San Diego County Central Jail/ Inmate Reception Center, County of San Diego Department of General Services, San Diego, CA. Fees: $505,017. Senior Executive . Scope included special inspection and testing services during the construction of the San Diego County Central Jail project. Scope of services included geotechnical testing and inspection, special inspection of reinforced concrete and masonry, and special inspection of structural steel. Provided review and approval of concrete mix designs and special inspection of the reinforced concrete frame and slabs. Since the structure was to be used as a detention facility, the masonry infill walls are heavily reinforced, and all doorframes and anchorage's are solid grouted in place. Services also included inspection of the anchorage of the infill walls and doorframes to the structural concrete. Scope also included performing ultrasonic testing of concrete columns to investigate possible internal voids. The reinforced concrete building consisted of 18 levels in 12 stories (12 stories plus 6 mezzanines which required 30,000 cubic yards of concrete), the total height of the building is 231 feet, totaling 413,168 square feet, and has bed space for 940 inmates. The project also included a structural steel roof over the mechanical penthouse and a structural steel bridge over Front Street connecting the jail to the courthouses. Insured that the contract met specified quality of material and workmanship. This included the monitoring of fill material and foundation inspection as well as structural steel and welding, reinforced masonry, and reinforced concrete. MACTEC provided a resident inspector throughout the duration of the construction.

Bridge Seismic Retrofit Program, Caltrans, Statewide, CA. Engineering Fee : $130M. Senior Executive in Charge. Technical services for this $4.5 billion, 13 year program including providing certified welding inspectors, ASNT nondestructive testing technicians, and welding engineering support for fabrication and erection of all bridges in the state including all eight toll bridges. Staffing consisted of 30 full-time inspectors for both shop fabrication and field inspection. Shop inspections were undertaken in china, Korea, England and several shops in the United States.

San Diego County East Mesa Juvenile Detention Facility, San Diego, CA. Total Fees: $950,000. The project consisted of a 10-building, 188,000-square-foot juvenile detention facility in accordance with Section 1701 of the California Building Code (CBC) and testing for an access road. The facility is primarily constructed of reinforced masonry, cast-in-place concrete, and a steel truss roof system. Senior Executive for the geotechnical engineering and inspection services for the construction of the access road and deep canyon fill for the building pad is an outlet from the Sheriff's East Mesa Jail Complex to the Juvenile Hall site. Additionally performed all building, mechanical, electrical, and plumbing inspection, specialized structural inspections, and storm water best management practices (BMPs) inspection for the construction of the facility. Also performed materials testing for: concrete, masonry, welding, high strength bolting, fireproofing, roofing and mechanical, electrical and plumbing and asphalt. Of interest was a special challenge that entailed ground water seepage below the structure pads. As a solution we recommended construction of sub- and interceptor drains which proved cost-effective and efficient.

 

Emergency Service Facility, Helicopter Maintenance Garage and Helicopter Hanger County of San Diego Department of General Services . Total Fees: $100,000. Senior Executive. Providing special inspection of structural steel erection, fielding, and high strength bolting, as well as building, electrical, plumbing, and mechanical inspections during the construction of the emergency service facility, helicopter maintenance garage and helicopter hanger. Additionally, we performed on-site geotechnical testing, laboratory testing, and on-site inspection of the best management practices (BMPs) for the storm water pollution prevention program (SWPPP). The concrete slab on grade had been placed prior to our services being requested on the project. During the application of the epoxy floor finish for the helicopter maintenance garage the floor coating contractor reported that the floor was soft and needed additional surface preparation at an additional cost. Our in-house concrete experts performed evaluations of the concrete slab including sampling and petrographic analysis. We recommended that the costly additional surface preparation not be performed. This saved the county the cost and time of the proposed additional preparation.

 

San Diego International Airport / Lindbergh Field West Terminal Expansion Program, Parsons Infrastructure & Technology Group, Inc., San Diego, CA. Fees: $2,105,300. Senior Executive in Charge. Provided engineering, special registered inspection, and material testing services to the San Diego Unified Port District through Parsons during the construction of this large, multiple phase construction project. Services included fabrication shop and field inspection and nondestructive testing and materials testing for the construction of the West Terminal Expansion, East Terminal Pedestrian Bridge and the Airport Road Systems. The West Terminal Expansion is a special moment resisting frame (SMRF) structure utilizing jumbo sections and heavily connected nodes that was welded in accordance with AWS D 1.1 Structural Welding Code. The pedestrian bridges were welded in accordance with AWS D 1.5 Bridge Welding Code. We provided engineering services, AWS/CWI inspectors, special inspectors in the fields of concrete, structural steel, masonry, and fireproofing, and ASNT Level II and III nondestructive testing technicians to perform ultrasonic testing and magnetic particle testing.

SR 52/125 Construction Materials Testing, Caltrans District 11, Fees $400K. The scope included construction materials testing on 4.8 miles of 4-lane highway, six bridges, and 2,500,000 cubic yards of earthwork. Our technician's duties included field and laboratory testing of Portland cement concrete, asphalt concrete and soil and aggregate products. The technicians worked nights and weekends to meet a compressed contractor schedule. All reports were reviewed and signed by a registered professional engineer. A key feature of this scope needed to do extensive testing of the PCC beams at a field laboratory to ensure high quality before arriving at the construction site.

San Diego Convention Center Expansion, San Diego, CA. Fees: $1,550,000. Attracting major convention business into the City of San Diego is the $200+ million, 900,000 square-foot expansion to the existing Convention Center facility which was completed in 2001. Senior Executive. Our work on this project was acknowledged with the 2001 “Architectural Cast-In-Place Concrete Project of the Year” award from the San Diego International Chapter American Concrete Institute. All special inspections for concrete, structural steel, and miscellaneous metals, fireproofing, and masonry. Our welding engineers and CWI and ASNT inspectors and technicians worked closely with the structural engineer, owner, and contractor to identify and resolve critical path technical issues effecting the fabrication (in Korea) and erection of over 17,000 tons of structural steel. Provided nondestructive evaluations of the structural steel, and miscellaneous metal weldments using state of the art equipment in the areas of ultrasonic, magnetic particle and liquid penetrant analysis.

•  Inspected 4300 post-tensioned concrete foundation piles during installation

•  Reinforced concrete and masonry inspection

•  Fireproofing of non-exposed steel members

•  Built up roofing installation monitoring

•  Special testing and inspection

 

Normal Heights Elementary School, San Diego, CA. Fees: $610,000. The project involved mass grading of an 8-acre site to provide complete elementary school campus with classrooms, library, play fields, concrete pedestrian walks, parking lots, retaining walls, and street realignment and paving of City of San Diego streets. Senior Executive. Provided geotechnical engineering construction support, earthwork observation and testing, masonry special inspection and laboratory testing, reinforced concrete mix design review, placement inspection and laboratory testing, steel shop and field welding and high-strength bolting observation and testing, ceiling wire pull testing, epoxy anchor testing, and pavement sub-grade and base course field and laboratory testing. Project inspection staff to assist with concrete, masonry, and structural steel inspections during the accelerated final months of construction.

Los Coches Creek Middle School, El Cajon, CA. El Cajon, CA Fees: $510,000. Senior Executive. Provided geotechnical engineering construction support, earthwork observation and testing, masonry special inspection and laboratory testing, reinforced concrete mix design review, placement inspection and laboratory testing, steel shop and field welding and high-strength bolting observation and testing, roof tile field observation and testing, ceiling wire pull testing, epoxy anchor testing, and pavement sub-grade and base course field and laboratory testing. The project involved mass grading of an 80-acre site to provide complete school campus with classrooms, library, athletic fields, pedestrian bridge, parking lots, retaining walls, and street realignment and paving of county road.

Mead Elementary School, San Diego, CA. Fees: $250,000. This project consisted of the construction of a new campus with an administration building, library, multi-purpose building, child development center, lunch court shelter, play grounds, retaining walls, and parking lots. Senior Executive. Provided geotechnical engineering and materials testing and observation. Provided earthwork grading, utility trench backfill, foundation sub-grade, and pavement base course field observation. Also provided both field and laboratory testing for these items. Reinforced concrete laboratory testing of reinforcing steel, concrete aggregates, concrete compression testing, batch plant inspection, and concrete mix design review. Masonry field observation and materials laboratory testing for cementitious materials and reinforcing steel. Structural steel shop fabrication welding observation and field erection high strength bolting and welding. Field pull-testing of epoxy anchors and field torque testing of mechanical anchorage fasteners. Application of fire proofing materials.

SR 76 Construction Materials Testing, SANDAG, Fees $200K. The scope included construction materials testing on 6 miles of 4-lane highway, 3 bridges. Our technician's duties included field and laboratory testing of Portland cement concrete, asphalt concrete and soil and aggregate products. The technicians worked nights and weekends to meet a compressed contractor schedule. All reports were reviewed and signed by a registered professional engineer. A key feature of this scope needed to do extensive testing of the PCC beams at a field laboratory to ensure high quality before arriving at the construction site.

Construction Material Testing On Call Contract, Caltrans District 11, Fees $1.3M. The scope included geotechnical testing services for over 100 Caltrans projects throughout District 11. Our excellent work and evaluations allowed for us to win consecutive contracts with Caltrans District 11 for 2 consecutive times totaling four years. We supplemented Caltrans staff with 13 Caltrans and NICET certified technicians for soil, PCC and asphalt concrete. Major projects included:

  • SR 78, I-5 to I-15. This was a multi-phase, multi-year reconstruction and widening of SR 78. We staffed the on-sight field laboratory to conduct quality assurance field and laboratory testing of soils, aggregate, asphalt concrete and Portland cement concrete. We provided compaction control during embankment and backfill operations. Field and laboratory testing of aggregate base and sub base included compaction testing and quality conformance requirements. Our technicians also provided in-plant testing of PCC and AC conformance during concrete and paving placement operations. Density control was also performed during nighttime operations.
  • SR 52. The scope included construction from Santo road to mission George road. We did the quality control testing during embankment construction, finished sub grade compaction, placement of treated permeable base, PCC and AC operations. Out technicians prepared daily sampling and testing logs and reports for the Caltrans resident engineer.
  • SR 56. The scope included supporting the Caltrans resident engineer and inspections staff with certified filed and plant testers from I15 to Black mountain road. Services included embankment compaction, sub grade preparation, and structural backfill. During asphalt and concrete paving operations our services included in-plant production testing for project conformance.
  • Additional Projects: Interchange at I-8 and highway 125, interchange at I-5 and highway 74, interchange at I-5 and highway 54, interstate I-15 improvements, expansion at highway 67, 76 and Jamacha boulevard, I-805 improvements, and on/off ramps at I-5 and Nobel drive.

 
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