Structural details for retaining walls & foundations, incl. sections for basement levels and ground floors. covers contiguous piles, sump pit reinforcement, and oil interception details for parking areas. I’ve got various slab on grade details with #12 and #16 rebar specs, plus 20cm blockwall and waterproofing membrane layouts. includes parking floor drains, pipe support details, and lean concrete protection layers for sub-structures. sections 7-7 thru 13-13 showing excavation levels, water tanks, and shoring pile connections.cad template file works with standard versions.