Our Expertise
Engineering Services
Comprehensive civil engineering solutions across Tennessee and Illinois — from preliminary site assessment through final construction document approval.
Service 01
Residential Engineering
We provide civil engineering design for residential developments of all scales — from individual homesite grading plans to large-scale subdivision infrastructure. Our work spans single-family, duplex, townhome, and multi-family projects, and we navigate state and local permitting requirements to keep your project moving.
- Grading and drainage design
- Erosion & sediment control (EPSC) plans
- Utility layout and coordination
- Stormwater management design
- Site plan preparation for permitting
- Subdivision street and infrastructure design
- Lot grading plans for individual homesites
- State and county permit submittals
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Single-Family
Individual lot grading plans, drainage easements, driveway design, and permit-ready construction documents.
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Multi-Family & Townhomes
Site grading, shared utility systems, common area drainage, and stormwater detention for attached and clustered housing.
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Subdivisions
Road design, cul-de-sac layouts, water/sewer coordination, and master grading for new subdivision developments.
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Retail & Mixed-Use
Site plans, parking layout, drive aisle design, loading access, and utility connections for retail and mixed-use developments.
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Office & Professional
Grading, drainage, and utility design for office campuses and professional service facilities of all sizes.
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Institutional
Schools, churches, and healthcare facilities — ADA-compliant site design, accessible parking, and stormwater compliance.
Service 02
Commercial Engineering
Harpeth Civil provides complete civil engineering services for commercial clients across retail, office, and institutional sectors. We navigate complex zoning, stormwater regulations, and municipal requirements to deliver site designs that are functional, code-compliant, and permit-ready.
- Commercial site plan design
- Parking and traffic circulation layout
- Grading and earthwork analysis
- Stormwater detention / retention design
- Water quality BMP design
- Utility design and coordination
- ADA accessibility compliance
- State and municipal permit submittals
Service 03
Industrial Engineering
We provide civil engineering for warehouses, distribution centers, manufacturing facilities, and other industrial land uses. Our team understands the unique demands of industrial site design — heavy loads, large impervious footprints, complex utility needs — and delivers technically sound solutions within a challenging regulatory environment.
- Large-footprint grading and earthwork
- Heavy truck access and circulation design
- Stormwater quality and quantity management
- Utility infrastructure design
- NPDES permit support
- Site plan preparation and permitting
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Warehouse & Distribution
Site design for large-footprint warehouse and distribution facilities, including truck court layout and heavy-load pavement sections.
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Manufacturing
Civil site design for manufacturing plants including utility coordination, stormwater management, and access road design.
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Stormwater Compliance
Water quality BMP design and NPDES permitting support to meet state and federal stormwater discharge requirements.
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Roadway Improvements
Roadway widening, intersection improvements, and resurfacing projects designed to meet state and local standards.
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Public Infrastructure
Civil design for parks, public facilities, and municipal infrastructure projects serving local communities.
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Plan Review Support
Technical plan review services for local governments evaluating private development submittals for code compliance.
Service 04
Municipal Engineering
Harpeth Civil supports local governments and public agencies with civil engineering services for public infrastructure projects. From roadway improvements to plan review, we bring the technical expertise needed to serve the public interest and meet evolving regulatory standards.
- Roadway design and improvement plans
- Public drainage and stormwater infrastructure
- Park and recreational facility site design
- Development plan review services
- Right-of-way and easement coordination
Service 05
Stormwater Management
Stormwater regulations continue to grow more complex across both Tennessee and Illinois. Harpeth Civil designs technically sound stormwater management systems that protect downstream properties, meet regulatory requirements, and keep development projects on schedule through the permitting process.
- Stormwater detention and retention design
- Water quality BMP selection and design
- Hydrologic and hydraulic analysis
- NPDES Construction General Permit support
- Erosion & sediment control (EPSC) plans
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Detention & Retention
Design of detention ponds, underground detention systems, and retention basins to manage peak runoff from developed sites.
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Water Quality
BMP design including bioretention, vegetated swales, and sediment forebays to meet water quality volume requirements.
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Hydrologic Analysis
Detailed hydrologic and hydraulic modeling to support permit submittals and demonstrate regulatory compliance.
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LOMA / LOMR Applications
We prepare and submit map amendment and revision applications directly to FEMA, managing the process from initial analysis through final determination letter.
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Floodplain Impact Analysis
Hydraulic analysis to demonstrate that proposed development will not increase flood risk for neighboring properties.
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Flood Zone Determination
Accurate flood zone boundary analysis and Base Flood Elevation determinations to inform site design and financing decisions.
Service 06
Floodplain Services
Floodplain issues can make or break a development project. Harpeth Civil provides the technical analysis and FEMA documentation needed to protect your property and move your project forward. We have successfully processed LOMA and LOMR applications across Tennessee and Illinois jurisdictions.
- Flood zone determination and boundary analysis
- Letter of Map Amendment (LOMA) preparation
- Letter of Map Revision (LOMR) preparation
- Conditional LOMA / LOMR (CLOMA / CLOMR)
- Floodplain development permit support
- Base Flood Elevation (BFE) determination
- No-Rise certification
- Floodplain impact analysis for new development
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Tell us about your site and goals. We'll provide an honest assessment and a clear path forward — no unnecessary complexity.