Comprehensive preliminary project drawings for a machine room-less elevator installation in Building No. 2. The documentation includes detailed pit plan (1:20), shaft cross-sections (1:50), cabin dimensions (1:20), and door specifications (1:20). Technical features include T-profile guide rails (T70.70.9 for primary rails and T50.50.9 for secondary applications), shaft pit details, and floor-by-floor elevations covering 2nd through 4th floors. The design specifies a D460 pulley system with motor assembly and mounting brackets. Key Components: Cable suspension system, cabin cross-sectional details, door opening mechanisms, and shaft structural requirements. The drawing includes a note specifying that all project revisions, permitting, green certification, testing and commissioning are contractor responsibilities with no additional payment.