{
  "schema_version": "1.0",
  "rubrics": [
    {
      "id": "R1",
      "requirement": "The model shall include a lower landing measuring 1600 mm by 2250 mm in plan with its deck at 3360 mm above ground."
    },
    {
      "id": "R2",
      "requirement": "The model shall include an upper landing measuring 700 mm by 1100 mm in plan with its deck at 7000 mm above ground."
    },
    {
      "id": "R3",
      "requirement": "The model shall place the lower-landing columns 1600 mm apart and the tower 4000 mm from the lower landing, giving an overall length of 7100 mm in the front view."
    },
    {
      "id": "R4",
      "requirement": "The model shall include a lower stair flight of 900 mm clear width with a 3800 mm horizontal run from ground to the lower landing."
    },
    {
      "id": "R5",
      "requirement": "The model shall include an upper stair flight 1100 mm wide connecting the lower landing to the upper landing."
    },
    {
      "id": "R6",
      "requirement": "The model shall include grating steps supported on L-angles, spaced 310 mm along the slope and 200 mm vertically."
    },
    {
      "id": "R7",
      "requirement": "The model shall include handrails with posts and toe plates along both flights and around the landings, with landing guardrails 1200 mm high."
    },
    {
      "id": "R8",
      "requirement": "The model shall include an MS stub base with a base plate at the foot of each column."
    },
    {
      "id": "R9",
      "requirement": "The model shall include intermediate horizontal bracing on the tower at 2350 mm intervals and a mid-height bracing level on the lower-landing frame."
    },
    {
      "id": "R10",
      "requirement": "The drawing shall contain a sheet with labelled front, right and top views of the staircase."
    },
    {
      "id": "R11",
      "requirement": "The drawing front view shall show the dimensions 7100, 1600, 4000, 3800, 3360, 7000, 5100 and 5250."
    },
    {
      "id": "R12",
      "requirement": "The drawing shall include Detail A of the MS stub, an isometric step view and an isometric step-details view dimensioned 310, 200 and 38."
    },
    {
      "id": "R13",
      "requirement": "The drawing shall contain a second sheet with an isometric view of the complete staircase."
    },
    {
      "id": "R14",
      "requirement": "The drawing shall carry the title STEEL ACCESS STAIRCASE WITH TWO LANDINGS, HANDRAILS AND GRATING STEPS."
    },
    {
      "id": "R15",
      "requirement": "The model shall be organised as a product assembling separate parts for grating, steps, L-angles, MS stubs, toe plates and handrail sections."
    }
  ]
}