08. Electrical Installation Electrical installations consist as the connection system that has the mission to conduct and distribute the electric…
07. Coring on Existing Drainage Sump. Constructing holes in precast concrete manhole sections for pipe connections can be achieved by…
06. Cable Pulling, Installation and Banding Cable pulling works involve an individual pulling sheathed cables through walls, trays and ducts for electrical power systems. They…
05. Bolt Tightening and Torquing [General Information] Bolts may seem simple, but in reality the proper manufacturing of bolted joints requires…
04. Backfilling Work Excavation and backfilling of soil is a very important part of construction process, and care must be…
03. Asphalt Works Asphalt paving works is a composite material commonly used to surface roads, parking lots, airports and…
Air flushing provides an efficient method of removing debris from pipelines and newly constructed systems. ∴ In the gas process…
01. Air Blowing Test Air Blowing can be used as a safer, more environmentally friendly and cost effective alternative to…
A Job Safety Analysis (JSA), also known as a Job Hazard Analysis(JHA), is to identify hazards before they occur. It is…
시작 인천공항에서 4시간 정도 비행기를 타고 가면.... 이렇게 강렬한 태양빛과 더운공기가 느껴지는 곳에 닿을 수 있다는 것!!! 어렸을 때부터 책…