This project requires the contractor to renew the cargo hold hatch cofferdam drain piping on the USCGC ALDER (WLB 216) in compartment 2-30-0-AA. The work involves cropping out and fabricating new 2” and 3” diameter piping, installing pipe hangers, labeling, and performing a leak test. The contractor must also handle fluid disposal, contamination prevention, touch-up preservation, and install new piping insulation. Performance of services will take place on the vessel, with no specific budget or non-bid timeline mentioned.