We received help with casting a new basement entrance with stairs and retaining walls last spring. It was leaking sand from the start, but we didn't think much of it at the time. But now you can clearly see that pieces have come off the vertical sections. Is this normal, or was it done incorrectly? Perhaps something we should report? What can be done about it - can it just be patched or does it need to be redone completely?
(The casting took place in March 2020. It was too small a job to bring in a cement truck, so the cement was mixed on-site by the workers.)