Specifications include, but are not limited to: • Install sandbags entire length of job to keep water flowing on opposite side of canal from where work is being performed. • Remove existing walls and relocate on site. • Contractor responsible for back fill and final grading. • Excavate approx. 4’ wide by 3’ deep making room for forms. • Install dowels in to bottom of existing canal. • Install rebar per drawings. • Set standard forms for horizontal part of wall and box forms with wall ties for vertical part of wall. • Install 1” pvc weep holes at 45 degrees angle every 6’. • Pour with 3,500 psi concrete top exposed part of wall to have a medium broom finish. • Remove forms. • Install 4” perforated drain pipe on back of wall. • Install filter fabric over pipe then back fill with gravel 12” thick then fold fabric over gravel and back fill using existing spoils. *The contractor will supply and include the following: Labor, concrete, steel, forms, concrete pumps, excavator track skid steer, gravel, filter fabric, drainage pipe, and water pumps