A Civil Engineer
Principal-Led Precision
Isaac Tiley, PE, founded A Civil Engineer LLC to provide a more agile, resposive, high-velocity alternative to traditional firm hierarchies. With over 20 years of experience across Colorado, Wyoming, and Arizona, Isaac serves as the direct point of contact for every project.
By working one-on-one with a veteran Principal Engineer, clients bypass administrative overhead and junior-level hand-offs, ensuring that grading, drainage, and utility plans are executed with technical accuracy from day one.
Corer Services & Expertise
A Civil Engineer LLC provides the full lifecycle of municipal and private infrastructure, delivered with senior-level accountability.
Land Development & Site Design: Precision grading, drainage, and utility master planning for residential subdivisions and master-planned communities. Includes rapid-turnaround feasibility studies, ADA access compliance, and emergency vehicle path analysis.
Water Resources & Stormwater Management: Advanced hydraulic and hydrologic modeling, including HEC-RAS analysis, floodplain management, and complex detention/retention system design that meets or exceeds MS4 and Mile High Flood District (MHFD) standards.
Utility Systems Engineering: Expert wet utility design, including sanitary sewer force mains and water distribution networks. Leveraging SUE Quality Level A data for high-accuracy conflict resolution, reducing field change orders and project delays.
Municipal & Transportation Engineering: On-call Town Engineer support and infrastructure review services. ACE provides comprehensive road and drainage improvement plans and complex utility coordination for public and private stakeholders.
Construction Administration & Closeout: ACE bridges the gap between design and completion. Services include RFI management, submittal/shop drawing reviews, earthwork (cut/fill) optimization, and site inspections.
Regulatory & As-Built Certification: ACE manages the finish line. This includes the preparation and filing of official certifications (e.g., No-Rise Certifications) and the delivery of accurate record drawings, incorporating all field changes, deviations, and shop drawing modifications, to ensure seamless regulatory sign-off.
ACE Credentials & Technical Proficiency
Licensed Professional Engineer (PE):
- Arizona
- Colorado
- Wyoming
Advanced Toolset:
AutoCAD Civil 3D
HEC-RAS & StormCAD
WaterGEMS & SewerGEMS
GIS & EPANET
Hydrology: HydroCAD & Quick TR-20/55 for site runoff and pond sizing.
Operations: Bluebeam Revu for estimating, markups, and plan set management.
Transportation: Vehicle Tracking for Swept path analysis for fire/emergency access.
Visualization: InfraWorks for Rapid 3D conceptual modeling for client proposals.
Commitment to Sustainable Design
ACE integrates sustainability as a core financial and environmental strategy. By utilizing smart engineering, to minimize operational costs while maximizing site efficiency.
- Low Impact Development (LID): Managing stormwater at the source through green infrastructure and natural filtration to mimic natural hydrological cycles.
- Resource Management: Utilizing advanced modeling (WaterGEMS/SewerGEMS) to optimize pipe sizing, reducing material waste and energy consumption.
- Earthwork Optimization: Precise Civil 3D analysis to balance cut/fill on-site, significantly reducing transportation emissions and hauling costs.
- Erosion & Environmental Protection: Comprehensive SWMP/SWPPP development and management to protect local waterways and sensitive terrains.
Why Choose ACE?
Built on decisive execution, ACE leverages lean methodologies and advanced design technology to outpace traditional infrastructure timelines. When you partner with ACE, you aren’t just hiring a firm; you are gaining a dedicated Principal Engineer committed to moving your vision from concept to completion with maximum speed and precision.
Executive Summary: A Civil Engineer LLC (ACE), provides specialized civil engineering for those who value speed and technical accuracy. A Principal Civil Engineer, PE, personally oversees every project, ensuring that grading, drainage, and utility plans are executed efficiently and sustainably from day one.
The Principal Advantage
A Civil Engineer LLC (ACE) provides civil engineering and land development consulting, led by Isaac Tiley, PE. By working directly with a veteran Principal Engineer with over 20 years of experience, clients bypass traditional firm hierarchies to receive immediate, expert-level solutions. ACE specializes in transforming complex infrastructure challenges into precise, actionable designs with a focus on speed, technical accuracy, and principal-led accountability.
Sustainable & Precise Execution
ACE integrates Sustainable Design as a core strategy to minimize operational costs and environmental impact. Using advanced tools like AutoCAD Civil 3D, WaterGEMS, and SewerGEMS, we optimize pipe sizing and earthwork to reduce material waste and haul-off requirements.
Licensed Professional Engineer (PE) in Colorado, Wyoming, and Arizona.
Client-Centric Approach
The ACE philosophy is for the client to be working one-on-one with a Principal Civil Engineer, PE, ensuring your project’s unique challenges are addressed with immediate, expert-level solutions. By prioritizing direct communication over firm hierarchy, Let’s moves your vision from concept to completion with maximum speed and precision, through direct principal-led execution, you bypass large firm overhead for a nimble, high-velocity workflow.
Innovative Solutions
ACE leverages advanced civil engineering technology and lean methodologies to outpace traditional infrastructure timelines. By integrating the latest design tools, to deliver high-precision solutions that meet modern demands with a level of agility and technical accuracy that larger firms cannot match.
Core Services
Land Development & Site Design: Expert grading, drainage, and utility plans for residential subdivisions and large-scale master-planned communities.
Water Resources & Hydrology: Storm Drainage Systems & Solutions, Advanced HEC-RAS modeling, floodplain analysis, Mile High Flood District, and MS4-compliant stormwater management systems.
Utility Systems Engineering: Utility feasibility and specialized design with hydraulic modeling solutions for wet utilities for water & sanitary sewer, and Subsurface Utility Engineering (SUE) Quality Level A.
Municipal & Transportation: On-call Town Engineering services and complex roadway or storm drainage improvement plans, or water and sanitary sewer capacity and growth analysis reports.
Why ACE?
Agility Aligned — ACE adapts to your vision with precision & pace.
Client Centric — Your project’s success is the heart of our space.
Efficient Engineering — Smart solutions delivered, leaving nothing to waste.