III. INTERAGENCY AND GOVERNMENTAL LIAISON

Public Hearings, Education, and Assistance

Inter-governmental Agency Permitting and Processing

IV. RAPID TRANSIT AND RAILROAD DESIGN

Passenger Transfer Locations(PTL'S) Planning and Design

Site Grading, Drainage, and Parking Layout Design

Noise Abatement Studies and Design

B. ENVIRONMENTAL ENGINEERING

I. WATER POLLUTION CONTROL

Sampling and Monitoring

Inflow/Outflow Studies and Analysis

Compliance Review and Evaluation

Toxicity Reduction and Assessment

Permit Negotiations

II. ENVIRONMENTAL STUDIES

Wetlands Mitigation Studies and Permits

Environmental Assessments

Environmental Impact Statements

III. SANITARY ENGINEERING

Infiltration/inflow Analysis

Water Supply, Treatment and Distribution

Wastewater Collection and Treatment

Sanitary Sewer Reconciliation and Overflow Abatement Studies

IV. UNDERGROUND STORAGE TANK MANAGEMENT

Contamination Delineation

Facility Assessments and Audits

Remedial and Corrective Actions

Tank Closures

Design and Project Management

V. HAZARDOUS WASTE MANAGEMENT

Asbestos Abatement and Control

Environmental Compliance Review

Environmental Regulations Review

Geological and Hydrogeological Services

Lead Contamination Evaluation

Facility Evaluation and Design

Permit Negotiations

Polychlorinated Biphenyls (PCBs)

Remedial Investigations and Feasibility Studies

Waste Characterization and Classification

C. HYDRAULICS AND HYDROLOGY

I. FLOODPLAIN MANAGEMENT AND STUDIES

Flood Frequency Analysis

Floodplain Delineation and Flood Mitigation

Flood Insurance Studies

II. STORM DRAINAGE ANALYSIS AND DESIGN

Storm Sewer Design

Sedimentation and Detention Basin Design

Underdrain Design

Storm sewer Reconciliation Plans and Master Planning

III. FLOOD CONTROL CHANNELS

Flood Hazard Determination

Open Channel Design

Erosion Control

Dams and Levees

IV. GROUNDWATER INVESTIGATIONS

Aquifer Testing

Design and Installation of Groundwater Monitoring Wells.

Geologic Studies

Hydrogeologic Studies and Reports

 

A WEALTH OF PRACTICAL INDUSTRY KNOWLEDGE AND UNDERSTANDING

Our practice areas and experience highlight the value we bring to our clients:

  • In-depth understanding of the critical issues facing the environmental industries.

  • Cutting-edge strategic thinking complemented by pragmation and the experience necessary to ensure that ideas are implemented.

  • Collaboration with our clients at all levels of an organization to make certain ideas are effectively communicated and useful long after we have left.

  • Regional perspective balanced against a rich base of local market knowledge

ZJM Engineers, Inc has been actively involved in the partial listing of projects below. The tasks for these projects have enabled our firm to respond to specific project needs towards the completion of these projects while continuously maintaining contact with the client to determine specific project needs. Please contact us for additional projects that are not listed below.

PROJECT EXPERIENCE

PROJECT NAME: CMAQ INTERSECTION IMPROVEMENTS This project consisted of upgrading three existing intersections of Arapaho Road, Beltline Road, Campbell Road and Coit Road in the cities of Dallas and Richardson. Zablon Mmbifwa was project manager responsible for the preparation of the preliminary and final paving and drainage construction plans, specifications and estimates.


PROJECT NAME: SINGLETON BOULEVARD PAVING AND DRAINAGE IMPROVEMENTS.

This project consisted of upgrading an existing two mile, three-lane roadway with a continuous left turn lane to either a five-lane roadway with a continuous left turn lane or a six-lane divided thoroughfare. Mr. Zablon Mmbifwa was Project Manager responsible for the overall preparation of ROW documents, Utility Relocations, Plans, Specifications, and Estimates for Singleton Boulevard Paving and Drainage Improvements. project consists of upgrading an existing two mile, three-lane roadway with a continuous left turn lane to a five-lane roadway with a continuous left turn lane. Prepared the pre-final Paving and Drainage plans for this project including off site parking lot layouts, driveway and intersecting street profiles, drainage design, specifications and estimates. Other project elements include public hearings, and meetings with both property and business owners along the corridor.

PROJECT NAME: OLD MILL LANE/COURT PAVING AND DRAINAGE IMPROVEMENTS

Zablon Mmbifwa, prepared construction plans for the reconstruction of Old Mill Lane from Fostoria to Nachita and Old Mill Court from Old Mill Lane to the Cul-de Sac (about 2,040 L.F.) for the City of Dallas. The project tasks included survey, engineering design and preparation of construction cost estimates.

PROJECT NAME: CITY OF DALLAS, OLD MILL LANE/ OLD MILL COURT IMPROVEMENTS.

Project Engineer responsible for overall plan preparation for the reconstruction of Old Mill Lane/Old Mill Court (approximately 2,040 L.F.) for the City of Dallas. Project tasks included topographic surveys, Preliminary studies, paving and drainage, Typical sections, Earthwork, quantity calculations, and cost estimates.

PROJECT NAME: DENTON HOUSING AUTHORITY, DENTON, TEXAS.

Prepared paving, drainage and erosion control plans, site grading, design of water and wastewater service mains to commercial buildings for a 5-acre development. Utility coordination.


PROJECT NAME: CITY OF THE COLONY, TEXAS. Project manager responsible for the preparation of PS&E documents for a major thoroughfare (Paige Road) The project is approx. 5,500 L.F. and tasks included paving and drainage, water and sanitary sewer utility reconstruction, traffic control and signs, traffic signals, quantities and estimates.


PROJECT NAME: GENERAL ENGINEERING CONSULTANTS - NORTHEAST LINE

Mr. Mmbifwa was the Design Engineer responsible for the design of parking facilities on a 7.5-acre tract for the 3.9 mile Light Rail Transit System Line Section G-1 at White Rock Station. Tasks included site engineering including site grading, parking layout design, evaluation of alternatives, deceleration lane design, roadway and drainage design, Utility coordination, Earthwork computations, Specifications and Construction Cost Estimates, and retaining wall Layout design. Evaluated design alternatives on a 5.5-acre tract and prepared parking layouts for the Forest Lane /Jupiter Road Station.

PROJECT NAME: PASSENGER TRANSFER LOCATIONS

Mr. Mmbifwa was the Project Manager responsible for overall performance of the project team consisting of Architectural, MEP, Structural, Landscape Architecture, Geotechnical, and Civil disciplines. Responsible for the design of access roads, site grading, drainage, water and wastewater mains, utility coordination, and on-site parking facilities for Bernal/Singleton and Cockrell Hill Passenger Transfer Locations (PTL'S).

PROJECT NAME: GENERAL ENGINEERING CONSULTANTS - SOUTHEAST LINE

ZJM Engineers, Inc. was responsible for the civil design of five line stations on the 3.97 mile Light Rail Transit System Line Section SE-1. The stations include Deep Ellum Station, Baylor Station, Fair Park Station, Martin Luther King Station, and Hatcher Station. Tasks included site engineering including site grading, station layout, drainage design at stations, Utility coordination and design for stations, street widening for bus bays and kiss & ride areas, coordination with project Architects, structural designers, and other relevant disciplines, retaining and sound wall layouts.