1.What to do first if poor soil is found during foundation excavation?
1.地基开挖时发现土质不好，首先要做什么？
2.What damage can a tree near a pool cause?
2.靠近泳池的树木可能造成什么损害？
3.CA Residential Code: minimum compressive strength for basement slabs?
3.加州住宅规范：地下室板的最低抗压强度是多少？
4.Which concrete ratio is strongest?
4.哪种混凝土配比最强？
5.How is soil typically measured?
5.通常如何测量土壤？
6.When must 6×6 10-10 mesh reinforcement be used?
6.什么时候需要使用6×6，10-10钢筋网？
7.Where should a moisture barrier be located when pouring a concrete slab?
7.混凝土板施工时，防潮层应放置在哪？
8.What underlayment is used between concrete and laminate?
8.混凝土和层压板之间使用什么底层？
9.When is a stepped footing needed?
9.什么时候需要使用阶梯式地基？
10.Type A soil: for every 1ft depth how much back excavation is needed?
10.A 型土：每 1 英尺深度，需要回挖多少？
