OOO

建筑

材料、屋顶、楼梯和工程估算。

Masonry units and mortar for walls, minus door and window openings.

Slab, strip and pier foundations with concrete volume, premix bags and component materials.

NOI, cap rate, cash-on-cash return, NPV, IRR and exit value for a property investment.

Roof area, pitch geometry, rafter length and material quantities.

Risers, treads, stringer length and stair angle.