HA Engineering Hub · Learn • Calculate • Check
Scientists study the world as it is. Engineers create the world that has never been.
— Theodore von Kármán, aerospace engineer
What are you trying to do?
Calculations
Ready calculators for every discipline
Engineering Topics
Standards, safety cards and lessons from failures
More resources
Engineering Library
Codes, books, free resources and software
Careers & Certificates
Career paths, certificates and interview prep
Templates
Submittals, RFIs, method statements and reports
Glossary EN ↔ AR
Engineering terms in English and Arabic
Exam Corner
Practice quizzes for PMP, NEBOSH, LEED and more
Jobs Board
Engineering vacancies shared by members
Engineers Chat
Ask and share know-how by discipline
Engineering calculators
Electrical, mechanical, civil, plumbing, renewables and project controls. Every calculator opens with typical values filled in.
Things you should know
Short, practical notes on standards, site safety, contracts and lessons from famous failures.
Build your engineering career
Pick a career path to see how it progresses, the skills and certificates it needs, and typical interview questions.
A shelf for every engineer
Key standards, recommended books, free online resources and the software each discipline uses.
Practice before the real exam
Short practice quizzes with instant scoring and explanations.
Ready formats for daily site work
Open a template, copy it, and paste it into Word, Excel or an email.
Excel sheets for site and design work
Each workbook has a blank sheet, a completed SAMPLE and a How-to-use tab. Fields marked project-defined follow your contract.
Document outlines
Engineering terms in English and Arabic
Search in either language. Useful for bilingual site teams and reports.
Engineering vacancies
Vacancies shared by members and recent postings from external job sites. Links open the original posting. Always verify the employer, and never pay to apply.
Site checklists
Tick items as you go. Your progress is saved in this browser.
Quick reference
The tables engineers look up every day, in one place.
Common drawing symbols
Typical symbols with their names in English and Arabic. Always check the legend on your project drawings.
Engineering news and events
Recent project and industry headlines, and the major exhibitions coming up. Updated weekly.
Latest news
Upcoming events
Dates come from organiser and listing sites. Confirm on the official website before booking travel.
Ask a technical question
Get an instant answer on electrical, mechanical, civil, plumbing, contracts, safety or careers. Ask in English or Arabic.
Answers are generated by AI and are not reviewed by an engineer. Each answer lists its sources and what to verify. Use it to learn and to prepare questions, not as a design approval.
Ask, answer, share
Pick a channel for your discipline. Be specific: state the standard, voltage, load or location you are working with.
Answers here come from members and are not reviewed. Check them against the standard, the project specification and a qualified engineer before using them.