Elevator sections and constructive structure details for 21 passengers that includes a detailed view of key plan details, machine room plan details, counter weight details, enlarge details, enlarge plan, sectional details, key section details, febrication of castellated beam details, welded splice joints, bolted spice joints details, typical apex hinge joints details, alternative details, isometric view, details plan, portal frames, knee details, plywood facede portal frames and much more of lift elevator details.