Monday, November 26, 2007

Service life of brick buildings

Potential service life of the structural frame of a building will be 200 years for brick/block/concrete and perhaps only 75-100 years for lightweight framing/SIPs panel.

In UK, service lives required for each building type or sector could be
· office - 20 years
· domestic - 200 years
· education - 60 years
· healthcare - 50 years
· retail and warehouse - 10 years

Stone is the building material which lasts longest.

Li-po battery charging tips

avoid charging above 80% and discharging below 20% to maximize battery lifespan. While they can be charged to 100% and discharged to 0%, doi...