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Transportation-Practice – H & J International

Transportation

TRANSPORTATION

HNJ provides wide a range of engineering and consulting services in variation segments of transportation including engineering design services for bridges, roads, highways, and other transportation structures and facilities, condition evaluation and safety inspection, construction management and inspection, transportation related researches and studies, etc. The specific services may include:

Bridge Design

Learn more about our Bridge Design services

We provide full range of engineering services for bridge design of feasibility study, preliminary design, final design and services during construction. Project types may include new bridge construction, bridge rehabilitation, replacement, widening, repairs and improvements. Services include:
– Feasibility study
– TSL study and submission
– Hydraulic & hydrological analysis and report
– Foundation design
– Final design and PS&E submission
– Shop drawing review and construction services

Roadway and Highway Design

Learn more about our Roadway and Highway Design services

We provide comprehensive design services for roadway and highway systems. Project types may include new roadways and highways, existing road and highway improvements and widening, rural and urban roads, etc. Our highway design staff are familiar with DOT’s procedures and standards, including PennDOT, NJDOT, NYSDOT, etc. The services may include:
                                               – Line and grade
                                               – Typical sections
                                     – Preliminary and final designs
                                               – Roadway plans
                                               – Right-of-way plans
                                               – Traffic control plans
                            – Erosion and sedimentation pollution control plans
                                               – PS&E submission

H&H Analysis and Stormwater Management

Learn more about our H&H analysis and Stormwater services

We provide highway related hydraulic and hydrological analysis and drainage design services in accordance with DOT’s requirements, including PennDOT, NJDOT, and NYSDOT. The services to be provided include:
                          – Determine drainage area and rainfall data
                            – HECRAS analysis for open channel flows
                          – Bridge waterway opening determination
                                 – Roadway drainage system design
                            – Storm water management system

Highspeed Rail

Learn more about our Highspeed Rail services

We provide construction management and construction inspection services for highspeed rail projects. Our key staff members of the firm have successfully completed and continuously worked on numerous high-speed rail construction projects internationally and have gained in-depth technical knowledge and management skills for high-speed rail projects. The specific services include but are not limited to:
– HSR construction planning and contract management
– Design review including the areas of civil engineering; tunnel; structure/bridge; track works; overall system; electrification; signal control, communication systems, and station layout, etc
– Resettlement planning and implementation monitoring 
– Construction procedures and constructability review and supervision
– Construction safety and risk management plan review and supervision
– Project construction scheduling and budget control management
– Construction supervision/inspection covering foundation, roadbed, tunnel, bridges and super elevated bridge structures, track works, electrical equipment, power supply and utility lines and facilities installation, signal and its control devices installation as well as stations construction
– Final system test-run and commissioning
– Operation and Maintenance
– Quality Assurance and Quality Control (QA/QC)

NBIS Bridge Inspection

Learn more about our NBIS Bridge Inspection Services

HNJ provides wide range of engineering and consulting services in variation segments of transportation including engineering design services for bridges, roads, highways, and other transportation structures and facilities, condition evaluation and safety inspection, construction management and inspection, transportation related researches and studies, etc. The specific services may include:
                                – Routine NBIS inspection
                                – Interim inspection
                           – Emergency repair inspection
                             – Fracture critical inspection
                                 – Rating calculations
                                – Report preparation

Construction Management and Consulting Services

Learn more about our Construction manage and consulting services

We provide construction management and consulting services for various types of projects including transportation, urban development, educational and institutional development, municipal services, etc. Services include project implementation management, construction management, procurement and contract management, construction inspection, etc. The specific services may include:
– Project implementation programming
– Project implementation management
– Procurement and contract management
– Construction management and construction inspection
– Project performance monitoring
– Project implementation financial management
– Project completion and closing