retaining wall ~33ft, avg 4ft high(5ft over ~16ft, 5ft - 2ft over rest). 90 degree corner 5ft to 0ft over 20ft. seeking concrete interlocking block with tiebacks or versalock block
34 freelancer chào giá trung bình $48/giờ cho công việc này
Hello, I am an experienced structural engineer so i can provide the required design drawings and details in the required time. Please check my portfolio and reviews. Thanks.