MRC LLC

Specialized Water Resource Solutions

About the firm

MRC LLC (Massoud Rezakhani Consulting) is a water resources engineering firm headquartered in Scottsdale, Arizona, with satellite offices in California and Hawaii. Specializing in flood hazard analysis and mitigation under the National Flood Insurance Program, MRC LLC brings over 50 years of combined experience in floodplain analysis, hydrologic and hydraulic modeling, and sediment transport analysis. Serving federal, state, and local government clients alongside private-sector developers, MRC LLC offers expertise in FEMA floodplain designation evaluation, reclassification, and flood mitigation design.

Team: Micro
Firm type: Civil Engineering · Water / Wastewater Engineering · Coastal Engineering · Structural Engineering

Credentials

CFM (Certified Floodplain Manager)

People

Massoud RezakhaniPresident

Neil JordanSenior Engineer

Maximo De VeraPrincipal

Carter RomeroSenior Consultant

Capabilities

Water Resources Engineering

Service website

Floodplain analysis, hydrologic and hydraulic modeling, and sediment transport analysis for riverine, alluvial fan, and coastal projects. Capabilities span HEC-1, HEC-2, HEC-RAS, HEC-HMS, FLO-2D, TR-20, SWMM, and related modeling platforms.

Flood Hazard Mapping

Service website

FEMA National Flood Insurance Program (NFIP) floodplain studies, Letters of Map Change (LOMC) reviews, CLOMR and LOMR preparation, and Flood Insurance Rate Map (FIRM) updates. MRC LLC has completed more than 2,500 LOMC reviews and over 300 FEMA-funded flood data updates.

Geographic Information Systems (GIS)

Service website

GIS-based floodplain boundary delineation and mapping in support of FEMA flood insurance studies and LiDAR-derived terrain analysis.

Coastal Engineering Services

Service website

Coastal flood hazard analysis, storm surge analysis, LiDAR data collection and processing, and coastal boundary mapping for FEMA hurricane and coastal flood studies.

Disaster Response and Mitigation Services

Service website

Engineering support for disaster mitigation including FEMA-funded flood data updates and community floodplain management program coordination.

Land Planning and Development

Service website

Analysis and reclassification of FEMA floodplain designation areas to reclaim previously unusable land, with coordination of federal, state, and local agency permits. Flood mitigation plan elements include:

Detention Basin Design
Floodwall Design
Road Crossing Design
Channel Sizing

Structural Engineering Services

Service website

Structural design and inspection for flood mitigation, including structural elevation of buildings within FEMA-designated floodplain areas and structural special inspections.

Industries

Stormwater & Flood Control · Water Resources · Federal · Government · Land Development

Projects

South Kona Phase I, Flood Hazard Restudy

South Kona, Hawaii · Stormwater & Flood Control · 2007 · Client: County of Hawaii / Group 70 International

Project details

As sub-consultant to Group 70 International, MRC LLC managed hydrologic and hydraulic floodplain studies for 10-, 25-, 50-, 100-, and 500-year floodplains across seven floodplain study areas in the South Kona district on the island of Hawaii. Scope included LiDAR survey data acquisition, hydrologic and hydraulic analysis, and GIS floodplain mapping. The study resulted in FEMA Flood Insurance Rate Map amendments for Hawaii County.

Frederick Towne Mall Floodplain Reclassification

Frederick, Maryland · Land Development · 2007 · Client: Frederick Towne Mall Associates, LLC

Project details

In partnership with Exponent, MRC LLC worked with the City of Frederick, FEMA, and FEMA's study contractor AMEC to evaluate and revise floodplain and floodway boundaries on Rock Creek and Clifton Branch (Trib 98) in Frederick County, Maryland. The revised DFIRM and Flood Insurance Study, approved by FEMA in September 2007, reclaimed 75% of the mall area without flood restrictions and enabled structural elevation designs for the remaining 25%, allowing the Frederick Towne Mall renovation to proceed.

Hurricane Study for the Southern Shores of Maui, Molokai, and Oahu

Oahu, Maui, and Molokai, Hawaii · Stormwater & Flood Control · Client: FEMA

Project details

In partnership with RMTC/URS Joint Venture, MRC LLC completed a FEMA-commissioned hurricane study covering the southern coastal shorelines of Oahu, Maui, and Molokai. Scope included field reconnaissance, LiDAR data collection and quality control, storm surge analysis, coastal flood hazard analysis, and boundary mapping. Results updated FEMA Flood Insurance Rate Maps for Hawaii's coastal areas.