{
  "schema_version": "1.0",
  "rubrics": [
    {
      "id": "R1",
      "requirement": "The model shall consist of a single solid body with overall extents of approximately 200 × 328 × 285 mm."
    },
    {
      "id": "R2",
      "requirement": "The model shall have a flange-to-flange (face-to-face) length of 328 mm along the flow axis."
    },
    {
      "id": "R3",
      "requirement": "The model shall have a circular flange of Ø200 at each end of the flow passage."
    },
    {
      "id": "R4",
      "requirement": "The model shall have six through bolt holes equally spaced on a bolt circle in each end flange."
    },
    {
      "id": "R5",
      "requirement": "The model shall have a through flow bore along the body axis."
    },
    {
      "id": "R6",
      "requirement": "The model shall have a double-tapered body between the flanges formed by two conical halves meeting at the mid-plane."
    },
    {
      "id": "R7",
      "requirement": "The model shall have a cylindrical neck connecting the body to a square actuator mounting pad 200 mm wide."
    },
    {
      "id": "R8",
      "requirement": "The model shall have R20 corner radii on the square actuator pad."
    },
    {
      "id": "R9",
      "requirement": "The model shall have four through mounting holes in the actuator pad, spaced 160 mm (80 + 80) apart along the flow axis."
    },
    {
      "id": "R10",
      "requirement": "The model shall have a Ø48 stem bore through the pad and neck with a Ø55 counterbore at the pad top face."
    },
    {
      "id": "R11",
      "requirement": "The model shall place the pad top face 285 mm above the body underside, with the flow axis 100 mm above the underside."
    },
    {
      "id": "R12",
      "requirement": "The drawing shall contain top, front and isometric views and a side or section view, in third angle projection."
    },
    {
      "id": "R13",
      "requirement": "The drawing shall dimension R20 on the pad, the Ø55 counterbore and the Ø48 stem bore."
    },
    {
      "id": "R14",
      "requirement": "The drawing shall dimension the Ø200 flanges and the 200 pad width."
    },
    {
      "id": "R15",
      "requirement": "The drawing shall include a title block with a title, a drawing number and sheet 1 OF 1."
    },
    {
      "id": "R16",
      "requirement": "The model shall be saved as FLANGED_VALVE_BODY.prt and the drawing as FLANGED_VALVE_BODY_dwg1.prt."
    }
  ]
}