Shotcrete & Gunite
Pneumatically applied concrete for structural and non-structural applications. Shotcrete (wet-mix) and gunite (dry-mix) are placed at high velocity, creating dense, bonded concrete in forms, on slopes, or against existing surfaces.
Common Applications
- Retaining walls and slope stabilization
- Tunnel linings and underground structures
- Pool and water feature construction
- Bridge abutments and pier encasement
- Structural overlays and encapsulation
Key Considerations
- Wet-mix vs. dry-mix selection depends on project scale and access
- Nozzleman skill directly affects placement quality
- Rebound management and waste planning
- Reinforcement detailing and bar clearances
- Curing protocols and weather exposure
Decision Factors
- Site access and equipment positioning
- Required compressive strength and finish
- Timeline and mobilization requirements
- Environmental conditions during placement
- Specification compliance (ACI 506)
Concrete Repair
Restoration and rehabilitation of deteriorated concrete structures. Targets spalling, cracking, delamination, corrosion-related damage, and surface defects to restore structural capacity and extend service life.
Common Applications
- Parking garage slab and beam repair
- Bridge deck and substructure rehabilitation
- Industrial floor restoration
- Balcony and plaza deck repairs
- Foundation crack injection
Key Considerations
- Root cause analysis before repair selection
- Compatibility of repair material with substrate
- Corrosion mitigation for exposed reinforcement
- Surface preparation quality and bond testing
- Access, phasing, and occupied-building logistics
Decision Factors
- Extent and depth of deterioration
- Structural vs. cosmetic repair priorities
- Budget and service life expectations
- Downtime tolerance and phasing needs
- Long-term maintenance planning
Protective Coatings
Barrier and surface protection systems for concrete exposed to moisture, chemicals, abrasion, or environmental attack. Includes epoxy, polyurethane, polyurea, and cementitious coating systems.
Common Applications
- Waterproofing membranes for below-grade walls
- Chemical-resistant floor coatings
- Traffic-bearing deck coatings
- Anti-carbonation coatings
- Secondary containment linings
Key Considerations
- Substrate moisture content and prep requirements
- Exposure environment (chemical, UV, abrasion)
- Coating system compatibility and layering
- Application temperature and humidity windows
- Manufacturer specifications and warranty terms
Decision Factors
- Performance requirements and service life
- Surface prep access and method constraints
- Cure time and return-to-service timeline
- VOC and environmental compliance
- Maintenance and recoat scheduling
Structural Reinforcement
Supplemental strengthening systems for concrete structures requiring increased load capacity, seismic resilience, or code compliance upgrades. Fiber-reinforced polymer (FRP), steel plating, and post-tensioning solutions.
Common Applications
- Column wrapping for seismic retrofit
- Beam and slab strengthening with CFRP
- Load capacity upgrades for change-of-use
- External post-tensioning
- Shear and flexural strengthening
Key Considerations
- Structural engineering analysis and design review
- Existing reinforcement mapping
- Fire protection requirements for FRP
- Surface preparation and adhesive bond quality
- Load testing and verification protocols
Decision Factors
- Required strength gain and code path
- Aesthetic and clearance constraints
- Installation disruption and access
- Cost comparison with replacement
- Long-term inspection and monitoring needs
Commercial Concrete
New construction concrete services for commercial, institutional, and light industrial projects. Foundations, slabs, structural elements, and site concrete — from forming through finishing.
Common Applications
- Slab-on-grade and post-tensioned slabs
- Foundations and grade beams
- Elevated decks and suspended slabs
- Loading docks and equipment pads
- Curb, gutter, and site flatwork
Key Considerations
- Mix design coordination with structural engineer
- Forming system selection and tolerances
- Placement sequencing and pour planning
- Joint layout and control joint detailing
- Finish specifications and flatness (FF/FL)
Decision Factors
- Project schedule and concrete volume
- Reinforcement complexity and congestion
- Weather and seasonal placement conditions
- Quality control and testing requirements
- Coordination with other trades
Retaining Walls
Earth retention systems for site development, infrastructure, and slope management. Design-build and build-to-spec approaches for gravity walls, cantilever systems, soil nail walls, and mechanically stabilized earth (MSE).
Common Applications
- Highway and roadway cut/fill retention
- Building site grading and terracing
- Waterfront and channel walls
- Temporary shoring and excavation support
- Landslide remediation
Key Considerations
- Geotechnical conditions and soil analysis
- Drainage design and hydrostatic pressure
- Surcharge loads and seismic forces
- Aesthetic requirements and finish options
- Long-term monitoring and maintenance
Decision Factors
- Wall height and retained soil conditions
- Right-of-way and property line constraints
- Design life and durability expectations
- Permitting and regulatory requirements
- Cost vs. performance trade-offs
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