Consulting Services

NJS is one of the leading global experts on water supply, wastewater and industrial treatment.

We have designed, supervised, advised and managed several of the world’s largest and most complex treatment facilities for governments and Multinational Corporation.

  • Program for Water Quality Modeling in Closed Waters
    • Reservoir Water Quality
    • River Water Quality
    • Groundwater Quality
  • Program for Simulating Pollutant Loads by Surface Run-off
  • Program Analysis of Noise and Vibration
  • Program for Simulating Air Pollution Dispersion
  • Program for Simulating Odor Dispersion
  • Program for Hydraulic and Process Design for Sewage Treatment Plants
  • Program for Mass Balance Calculation in Sewage Treatment Plants
  • Program for Heat Balance Calculation in Sewage Treatment Plant
  • Program for Digestion Gas Calculation
  • Program for Water Pipeline Design
  • Program for Functional Diagnosis of Water Networks
  • Program for Detailed Design of Gravity Pipes
  • Program for Quantity Take-off for Gravity Pipes
  • Program for Hydraulic Analysis for Gravity Pipes
  • Support Program for Sewerage Planning
  • Sewerage Network Inventory
  • Sewerage Facility Inventory System
  • Fixed Assets Inventory System
  • Sewerage Management Evaluation System
  • Program for Variant Calculations
  • Program for Simulation of Inundation
  • Program for Simulation of Urban Run-off
  • Program for Calculation of Reservoir Size

Dynamic and Structural Analysis

  • Program for Simulation of Earthquake Movements
  • Program for Evaluation of Soil Liquefaction Caused by earthquakes
  • Program for Evaluation of Ultimate Stress in Reinforced Concrete Sections
  • Program for Evaluation of Ultimate Sectional Area for Cast-in-PlacePiles
  • Program for Design of Piles
  • Program for Calculation of Pile Head Stress
  • Program for Dynamic Analysis
  • Program for Finite Element Method Analysis

NJS has been a leader in designing, developing and implementing environmental management systems (EMS)

Our professionals always consider the best possible use of existing systems and procedures before moving forward. This eliminates redundancy, controls project costs, shortens completion times and minimizes impacts to client personnel

Our Capabilities include:

  • Conceptual and Design Phase Services
  • Value engineering
  • Design review
  • Constructability/bid ability review
  • Risk analysis
  • Construction planning
  • Scheduling
  • Contract packaging
  • Agency coordination
  • Prequalification
  • Contract/bid document preparation
  • Assistance with project labor agreements
  • Public relations
  • Design management
  • Bid Phase Services
  • Advertisement
  • Response to bidders inquiries
  • Pre-bid meeting
  • Bid opening
  • Bid evaluation
  • Negotiation support
  • Award recommendation
  • Construction Phase Services
  • Resident engineering services
  • Project management
  • Onsite inspection
  • Partnering and alternative dispute resolutions
  • Pre & post construction surveys
  • Factory inspections
  • Contract administration
  • Permit compliance monitoring
  • Design changes during construction
  • Quality assurance
  • Materials testing
  • Startup and testing
  • Operational assistance
  • Claims resolution
  • Schedule analysis and cost estimation
  • Water Supply and Sewerage Network Inventory
  • Hydraulic modeling and flow projections
  • Plant optimization
  • Maximized system storage and capacity recovery techniques

NJS capabilities also includes :

  • Design-build of industrial water/wastewater treatment plants
  • Design-build of remedial treatment systems
  • Demolition and decontamination
  • Operations and maintenance
  • Design-build of industrial water/wastewater treatment plants
  • Site characterizations
  • Master Plan and feasibility studies
  • Compliance assessments, monitoring and reporting
  • Environmental management systems
  • Risk management planning
  • Pollution prevention/waste minimization/source reduction
  • Watershed management
  • Re-use of gray water
  • Alternative analysis solutions (sustainable services)
  • Process auditing
  • Health and safety programs
  • Agency negotiations and litigation technical support
  • Life Cycle Analysis, Live Cycle Inventory, Environmental Cost Accounting, Design for Environment & other advanced support systems that contribute to overall sustainability
  • Data inventory and GIS
  • Condition assessment
  • Risk assessment
  • Performance standards and benchmarking
  • Hydraulic modeling
  • Odor modeling and control
  • Rehabilitation
  • Preventive and predictive maintenance measures
  • Sustainable or renewable infrastructure
  • Training
  • Enterprise management software
  • Process automation
  • Database management
  • Web-based solutions

NJS Consultants Co. Ltd.

Head Office, Tokyo

1-1-1, Shibaura, Minato-ku, Tokyo 105-0023 Japan

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