Work Item 1 Rudder STBD.pdf

This is a Work Item specification for the manufacture of starboard rudders used on U.S. Coast Guard 87-foot Coastal Patrol Boats. The contractor must manufacture, inspect, preserve, pack, mark, bar-code, and ship one rudder (NSN 2040-01-461-1943, part number 87WPB 561-001 STBD) and one reusable shipping crate. The estimated cost is $14,000.00 per rudder unit and $1,500.00 per shipping crate. The rudder materials, dimensions, and tolerances are specified in Coast Guard Drawing 87WPB 562-001 Rev. A, with steering system details provided in Drawing 87WPB 561-001 Rev. K. Dimensional tolerances for fractional dimensions are +1/64" -0", decimal dimensions follow ±0.01" for two-place decimals, and shaft length fractional dimensions are ±1/16".

The work item requires welders qualified per SFLC STD Spec 0740, liquid dye penetrant testing per SFLC Std Spec 0740, and an air pressure test of the blade cavity holding 2 PSI for 10 minutes. The contractor must provide material certifications within 20 days, ensure 100% Coast Guard Quality Assurance inspection, and submit a detailed Final Inspection and Test Report including dimensional measurements, pressure test certification, and NDT results. The rudder key stock must meet ASTM A276/A276M-17 specifications with Class 1 keyway fit per ASME B17.1. Each rudder requires one steel nut, one washer, and one locking nut packaged and marked individually. Preservation, packing, and marking must comply with MIL-STD-2073-1E and DODD 4140.01-M1, using 1/2" minimum plywood boxes with 2" x 3" minimum wood framing. Wood Packing Material must be heat-treated and certified by ALSC. All units require bar-coding per MIL-STD-129R with standard markings and serial numbers stamped on the rudder stock end face. The completed rudder shall be shipped to the U.S. Coast Guard Surface Forces Logistics Center, Curtis Bay, MD 21226-5000.