Useful Tools for Ergonomics, Occupational Hygiene and Workplace Safety & Health
Explore IEH’s practical digital tools, checklists, calculators and reference guides designed to support workplace assessment, exposure review, ergonomics screening, noise monitoring, risk assessment and safety planning.
Ergonomics & Human Factors Tools
Practical tools for workstation review, manual handling, physical ergonomics, cognitive workload, fatigue and human factors screening.
Practical Tools for Physical Ergonomics and Manual Handling
A central collection of IEH tools for posture, workstation, lifting, pushing, pulling and repetitive task assessment.
Workstation Self-Assessment
A guided office ergonomics screening tool covering chair, screen, keyboard, desk layout, lighting and work habits.
Multi-Monitor Viewing Distance Advisor
A practical guide to support monitor positioning, viewing distance and dual-screen workstation layout decisions.
Cognitive Workload Screening Tool
A first-pass screening tool to identify tasks with possible high mental demand, time pressure and decision load.
Human Factors in Risk Assessment Checklist
A practical checklist for considering human performance, task design, communication and organisational factors in risk assessment.
Fatigue and Shift Work Risk Screening Tool
A screening aid for reviewing shift patterns, long working hours, rest opportunities, night work and fatigue risk factors.
RULA — Rapid Upper Limb Assessment
A practical upper-limb ergonomics assessment tool for reviewing posture, force, repetition and musculoskeletal risk.
REBA — Rapid Entire Body Assessment
A whole-body posture assessment tool for tasks involving awkward posture, load handling and dynamic work activities.
MAC Lifting Operations Assessment Guide
A manual handling assessment guide for lifting operations, supporting structured review of load, posture and task conditions.
RAPP — Risk Assessment of Pushing and Pulling
A practical tool for assessing pushing and pulling tasks, including load movement, posture, environment and task demands.
UK HSE ART Tool
The Assessment of Repetitive Tasks of the upper limbs, useful for structured review of repetitive arm and hand work.
Occupational Hygiene Tools
Digital tools and reference guides for exposure assessment, chemical risk, air sampling, noise monitoring, heat stress, respirator fit testing and medical surveillance planning.
Occupational Noise Assessment Digital Toolkit
A practical toolkit for planning, conducting and documenting occupational noise assessments and control reviews.
Noise Survey Planner
A planning tool to collect workplace information needed for area noise mapping, machine noise checks and personal dosimetry.
Instrument Setup & Calibration Checklist
A field checklist for checking sound level meters, dosimeters and calibration requirements before and after monitoring.
Personal Dosimetry Field Diary
A mobile-friendly diary for recording task timelines, process changes, breaks, unusual events and hearing protector use.
Noise Exposure Calculator
A Singapore-focused calculator for reviewing occupational noise exposure, daily exposure and compliance-related interpretation.
Noise Dose Calculator
A simple tool for estimating noise dose based on sound pressure level and exposure duration.
Noise Map Generator
A practical tool to support the organisation of area noise measurements and workplace noise mapping outputs.
Noise Monitoring Report Builder
A report-building aid for structuring occupational noise monitoring findings, observations and recommendations.
Permissible Noise Limit under WSH Noise Regulations
A quick reference calculator for permissible exposure duration and sound pressure level under Singapore noise requirements.
Noise Calculator for IEH’s OHTA 503 Lesson
A learning calculator prepared for IEH’s OHTA 503 noise measurement and effects lesson support.
Qualitative Respirator Fit Test Timer
A timer for qualitative respirator fit test exercises, supporting structured test timing and field consistency.
Heat Stress Indices Reference Tool
A practical reference for selecting and calculating heat stress indices such as WBGT, HSI, PHS and TWL.
Semi-Quantitative Chemical Exposure Risk Assessment Tool
A structured tool for assessing occupational exposure to harmful chemicals using semi-quantitative exposure factors.
Chemical Exposure Screening Checklist
A practical SDS-based screening checklist for reviewing GHS classification, ingredients, task details and controls.
Chemical Sampling and Analytical Methods Guide
A guide to support selection of sampling and analytical methods for workplace chemical exposure assessment.
Air Sampling Guide for Toxic Substances Monitoring in Singapore
A practical guide for planning, conducting and reporting workplace air sampling for toxic substances monitoring.
Permissible Exposure Levels of Toxic Substances
A Singapore reference page for checking permissible exposure levels under workplace safety and health requirements.
Singapore WSH Medical Examination Schedule Lookup Tool
A reference tool for checking prescribed medical examinations, pre-placement requirements and periodic examination frequencies.
Workplace Safety & Health Tools
Practical WSH tools for risk assessment, combustible dust, hazardous area classification readiness and safety planning.
Workplace Safety & Health Risk Assessment Guide
A practical guide to support workplace risk assessment using structured hazard identification, risk evaluation and controls.
RA Generator
A digital tool for generating structured risk assessment content from task details, hazards and control measures.
Combustible Dust Hazard Analysis Tool
A screening and review tool for combustible dust hazards, ignition risks, housekeeping, controls and explosion prevention.
Hazardous Area Classification Readiness Tool
A readiness checklist for reviewing whether adequate information is available before hazardous area classification work begins.
Image Generation Prompt Builder
Build better safety visuals with AI image prompts.
Need help applying these tools to a real workplace?
IEH’s tools are intended to support practical screening, planning and learning. For formal assessment, compliance review, exposure monitoring, ergonomics consultancy, risk assessment or professional reporting, IEH can provide competent support.