Cornerstone Civil Engineering PLLC
A key stone on the path to success
About the firm
Cornerstone Civil Engineering PLLC is a Norman, Oklahoma civil engineering firm founded in 2021 and licensed to practice in Oklahoma and Arkansas. Founder and Principal Hollis Allen, Jr., PE brings over 30 years of civil industry experience and leads a practice focused on cost-effective solutions, client responsiveness, and stewardship. Cornerstone serves commercial, residential, education, healthcare, industrial, and municipal clients across the greater Oklahoma City Metroplex.
- Established
- 2021
- Firm type
- Civil Engineering
People
Hollis Allen, Jr.Founder and Principal
Capabilities
Pre-Design
Service websiteCornerstone provides consulting services prior to a design contract, helping clients assess feasibility and prepare for project development.
- Site Assessment / Feasibility Study
- Due Diligence Assistance
- Project Development
- Planning Assistance
- Zoning Assistance
- Peer Review
Design
Service websiteCivil design services covering site layout and infrastructure systems during the construction documents phase.
- Site Layout
- Grading
- Drainage
- Channel Design / Analysis
- Erosion Control & Protection
- Stormwater Detention
- Site Utilities
- Public Utility Relocation
- Public Utility Extension
- Street / Roadway Design
- Intersection Improvements
Pre-Construction
Service websiteServices bridging completed design and the start of construction, including approvals, permits, and contractor coordination.
- Design Team Coordination
- Contractor Selection Assistance
- Jurisdictional Approvals
- Construction Permits
- Pre-Bid / Pre-Con Meetings
Construction Observation
Service websiteOn-site observation services ranging from periodic visits to full-time monitoring, supporting compliance and project closeout.
- SWPPP & BMP Observations
- Routine Observations
- RFI & Addenda Assistance
- Punch List Preparation
- Record Drawings
Industries
Commercial · Retail · Hospitality · Multifamily Residential · Mixed-Use · Education · Religious · Sports & Recreation · Healthcare · Industrial · Manufacturing · Parking · Government · Highways & Roads · Water Supply · Wastewater · Stormwater & Flood Control
Projects
No projects listed yet.