STL Engineering

Fast Response Times And Reliable Service Set Us Apart.

Website

About the firm

STL Engineering is a St. Louis, Missouri engineering firm specializing in structural, mechanical, civil, and bulk material handling engineering for heavy industrial facilities. Industry professionals emphasize cost efficiency and constructability in design, with 24/7 responsiveness. STL Engineering provides engineering design services for facilities in the mineral processing, mining, utility, metals, chemical, petroleum, and manufacturing industries, operating from offices in St. Louis, Missouri; Pelham, Alabama; and Brandon, Florida.

Firm type
Structural Engineering · Mechanical Engineering · Civil Engineering

Credentials

Licensed Professional Engineer (P.E.) in 33 states: Alabama, Arizona, Arkansas, California, Colorado, Connecticut, Florida, Georgia, Idaho, Illinois, Indiana, Iowa, Kansas, Kentucky, Louisiana, Maryland, Michigan, Mississippi, Missouri, Nebraska, Nevada, New Jersey, North Carolina, Ohio, Oklahoma, Pennsylvania, South Carolina, Tennessee, Texas, Utah, Virginia, Wisconsin, Wyoming

People

Andrew JansenOwner / Senior Mechanical Engineer

Jeffrey ObermeyerOwner / Senior Structural Engineer

Capabilities

Structural Engineering

Service website

STL Engineering performs structural analysis and design of buildings, equipment support structures, and enclosures for heavy industrial facilities.

  • Structural Steel Design
  • Concrete Design
  • Building Design
  • Shallow and Deep Foundation Design
  • Finite Element Analysis
  • Dynamic Structural Analysis
  • Silo/Hopper Design
  • Rigging Design
  • Shoring System Design
  • Steel and Concrete Restoration and Repair
  • Fall Arrest System Design and Certification
  • Jib and Monorail Load Rating/Design
  • Structural Inspections
  • Connection Design
  • Custom Handrail and Stair Design
  • Custom Equipment Design
  • Rigging/Lifting Lug Design

Mechanical Engineering

Service website
  • Equipment Layout, Selection, and Specification
  • Process Flow Diagram Development
  • P&ID Verification/Development

Bulk Material Handling

Service website
  • Material Processing and Conveyance Design
  • Material Loading/Unloading System Design
  • Custom Chutework Design
  • Dust Collection Systems
  • Compressed Air Systems
  • Chute and Duct Design
  • Feeding and Dosing Systems
  • Pneumatic Transport Systems
  • Grinding Circuit Upgrades
  • Rail and Truck Loadouts
  • Rail and Truck Unloading
  • Piping and Pumping System Design
  • Engineered Flow Control Chutes
  • Discrete Element Modeling
  • Agg Flow Modeling

Civil Engineering

Service website
  • Site Selection and Design
  • Roadway and Facility Access Design
  • Stormwater Collection, Retention, Conveyance, and Discharge Design

3D Laser Scanning

Service website

Project Delivery

Service website
  • Owner's Representative Services
  • Project Management
  • Construction Bid Packages

Industries

Mining · Aggregates & Quarrying · Metals · Chemicals · Oil & Gas · Utilities · Manufacturing · Industrial

Projects

New Greenfield Trap Rock Quarry Operation

Aggregates & Quarrying

Project details

Mechanical and civil/structural design for a new greenfield trap rock quarry operation consisting of over 50 belt conveyors, 5 crushers, 10 screens, several cast-in-place concrete tunnels with reclaim, mine haul truck dump, and high-speed dual rail loadout.

New Hydrated Lime Facility

Aggregates & Quarrying

Project details

Mechanical and civil/structural design for a new hydrated lime facility consisting of a relocated hydrator, new high-efficiency separator, new grinding circuit, and new additional storage, completed with hydrator outage time under 30 days.