Lach Engineering, LLC

Structural design of shallow and deep foundations to support infrastructure across public and private sectors.

• Deep Foundations

  Engineering solutions for deep structural elements.

• Drilled Shaft (Caisson)

  Design and analysis of drilled shafts and caisson structures.

• Driven Piles

  Design of timber, steel, and concrete driven piles.

• Helical Piles

  Helical anchoring and foundation system design.

• Micropiles

  Design of high-capacity, small-diameter structural micropiles.

• Auger-Cast Piles

  Engineering for continuous flight auger piles.

• Direct-Embedded Pole Foundations

  Embedment designs for utility and lighting structures.

• Shallow Foundations

  Structural design for near-surface load distribution systems.

• Pad and Spread Footings

  Design of isolated spread footings and foundation pads.

• Combined Footings

  Engineering of footings supporting multiple vertical columns.

• Continuous Footings

  Design of continuous wall and strip footings.

• Mat or Raft Foundations

  Structural design of large concrete mat and raft foundations.

Structural design of municipal, city, and Department of Transportation structures.

• Traffic Structures

  Design of traffic signal supports, mast arms, span wire strain poles, and pedestrian poles.

• Sign Structures

  Structural engineering for overhead highway signs, commercial billboards, and airport signage.

• Toll Gantry Equipment Support Structures

  Structural engineering of highway tolling system support frames and gantries.

• Intelligent Transportation Systems (ITS) Support Structures

  Support structures for digital message boards and camera poles.

• Mass Transit Support Systems

  Structural engineering for mass transit catenary support poles.

• Bridge and Guard Rail

  Structural design of protective highway guardrails and bridge rails.

• Bridge Decking

  Design of cast-in-place and metal bridge decking panels.

• Pedestrian Bridges

  Structural design of pedestrian, timber, and golf course bridge systems.

Engineering design of poles, towers, and bracket structures used in public roadway and private area illumination.

• Area Lighting Support

  Design of round, square, polygonal, steel, and aluminum area lighting poles.

• Roadway Lighting Support

  Engineering of roadway lighting poles, arms, brackets, and custom appurtenance attachments.

• High Mast Lighting

  Structural solutions for high-altitude area and highway mast lighting.

• Sports Lighting Support

  Structural design of steel, static-cast concrete, and prestressed spun concrete sports lighting poles, platforms, and brackets.

• Decorative Lighting

  Aesthetic fluted poles and custom decorative lighting structures.

Structural design of steel, concrete, and wood poles for electrical distribution and transmission.

• Transmission Poles

  Design of steel and spun concrete electric transmission poles.

• Distribution Poles

  Engineering of steel, static cast concrete, spun concrete, wood, and wood-equivalent steel distribution poles.

• Substation Structures

  Design of bus supports, switch stands, A-frames, H-frames, CVT supports, PT supports, and CT supports.

• Transformer Foundations with Oil Containment

  Substation foundations integrated with custom oil containment systems.

• Static Masts and Surge Arrester Supports

  Structural supports for lightning static masts and surge protection devices.

• Communication & Antenna Support Poles

  Structural engineering for telecommunications and antenna support poles.

Capabilities are organized into targeted child services.

• Expert forensic structural investigation
• Condition assessment
• Pole integrity inspections

Structural engineering for retaining structures, environmental barriers, and boundary systems.

• Retaining Walls

  Design of structural earth-retention systems and retaining walls.

• Sound Barrier Walls

  Structural design of acoustical and sound barrier walls.

• Security Fencing

  Design of perimeter security fencing structures.