A.D. Marble brings a strong construction services resume to your project, regardless of the area of concern. From routine sediment and erosion control inspection and pre-inspection consultation, to historic resources guidance during construction, we are the one source for all of your environmental needs. The enclosed information summarizes our  unequalled experience in providing environmental and cultural resources expertise during project construction.

Our construction services include:

• Erosion and Sediment Control Inspections
• Stormwater Critical Stage Installation
• Stormwater Conversion Infiltration Testing
• Engineering Construction Consultation
• Permitting
• Archaeological Monitoring
• Historic Structure Monitoring
• Hazardous Waste (Including Lead and Asbestos)
• Threatened and Endangered Species Monitoring
• Wetland and Stream Mitigation Monitoring and Remediation

A.D. Marble assists municipal governments, state and federal government agencies, and private developers in obtaining all required local, state, and federal permits for their projects. Our staff includes experienced engineers and wetland scientists that work with our clients to meet regulatory requirements while designing innovative, cost-effective systems.

Our permit services include:

• Erosion and Sediment Control General Permit
• Post-Construction Stormwater Management Permits
• Grading Permits
• NPDES Permitting and Compliance
• Municipal Stormwater Discharge Permits (MS4)
• Maintenance Permits
• U.S. Army Corps of Engineers (USACE) Section 404 Permits
• State Floodplain/Waterway Obstruction/Wetland Encroachment Permits
• U.S. Coast Guard Section 9 Bridge Permits and Work Authorizations

State agencies, property owners, communities, contractors, developers, and engineers regularly face erosion and sediment control challenges, whether to address existing erosion issues or to prevent erosion at new sites. A.D. Marble staff includes Certified Professionals in Erosion and Sediment Control (CPESC) who know the current erosion control standards and specifications. We design durable solutions for our clients that are low cost, high efficiency, and low maintenance.

Our erosion and sediment pollution control services include:

• Complete Design and Permitting
• Construction Inspection
• Erosion Mitigation Design
• Sediment Transport
• Erosion countermeasure Design
• Velocity Reduction Design
• Regulatory Guidance
• Violation Resolution
  
• Waste/Borrow Construction Site Design

The engineers at A.D. Marble offer extensive knowledge of the nuances of hydrologic and hydraulic engineering and design. Our team specializes in projects of all sizes, and we work within the requirements of local and state governments to offer solutions in an efficient manner. Our engineers work with clients to develop effective work plans, schedules, and budgets within the regulatory framework of water-related development projects.

Our hydrology and hydraulics services include:

• Hydraulic Modeling of Culverts and Bridges
• Open and Closed Conveyance System design
• Stream and Channel Design and Analysis
• Hydrologic Analysis of Watersheds
• Floodplain Studies
• Scour Analysis and Countermeasure Design
• Letter of Map Revisions (LOMR)
• Bridge Resiliency Studies
  
• Watershed Assessments
• Risk Assessments
• Spillway Capacity and Dam Removal Analysis
• Two-Dimensional HEC-RAS Analysis
  

Our team has worked on stormwater management projects at all stages, from concept and feasibility to design, implementation, and post-implementation evaluations. All of our projects carefully accommodate and balance the existing and future uses of a water resource and the changing needs of affected communities. We work closely with our clients to address all issues of concern, and many of our studies include public participation through public meetings and other stakeholder processes.

Our stormwater management services include:

• Stormwater Retrofit Assessment and Design
• Infiltration/Percolation Testing
• Total Maximum Daily Load (TMDL) Reduction
• Planning and Design
• Green Infrastructure Design
• Environmental Site Design (ESD)
• Groundwater Monitoring
• Quality and Quantity Stormwater Design
• Low-Impact Development Design
• Stormwater Maintenance Inspections
• Notice-of-Termination Inspections

Natural channel design incorporates the characteristics of stable stream reaches into channel design with minimal structural hardening. This allows a stream to effectively convey water, sediments, and bed load while still providing biological potential. A.D. Marble has staff trained in applied fluvial geomorphology and has completed natural channel designs for more than 4 miles of stream.

Our stream restoration and design services include:

• Scour Assessments
• Hydrologic & Hydraulic Analysis
• Fluvial Geomorphic Assessment
• Natural Channel Design
• Sediment Transport Analysis
• Fish Passage Analysis and Design
• Construction Inspection
• Riparian Buffer Design
• Bank Stabilization

A.D. Marble has more than 30 years of experience evaluating sites for their suitability for restoration, enhancement, or creation of wetlands. We have designed over 350 acres of compensatory wetland mitigation, including permittee responsible mitigation and mitigation banks. Our strength lies in the abilities of our integrated design team, using the expertise of our wetland scientists and engineers to develop a design that mimics the natural landscape.

Our wetland restoration and design services include:

• Site Evaluation and Selection
• Wetland Water Budgets
• Conceptual, Preliminary, and Construction Drawings
• Design/Build
• Construction Inspection
• Mitigation Bank Coordination and Design
• Post-Construction Monitoring
• Adaptive Management Plans