The commonest major cap consists of a 2x12 or 2x15 laid length-wise together the highest of the bulkhead and nailed or screwed into the tops in the wales. Consultation: Arrange consultations having a couple experts to debate your requirements. Spend shut attention to how they suggest to handle your considerations. https://shoreprotectteam.com/bulkhead-construction-and-repair-cost-in-texas/