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Barrier Transition

1 page · 2 crops · ×2 · railing

Matched toBridge Crash Barrierbridge.ancillary_system.crash_barriercheckon “Barrier”

3 read off the drawings · 1 not established
The class asks forValueHowFrom
LengthLwants m/mm12'-0" ft-inBarrier transition length is directly dimensioned as 12'-0".Both detail readings explicitly apply the 12'-0" dimension to the barrier transition.readp2 · p02_r02 barrier transition detailp2 · p02_r02
HeightHwants m/mm1'-9½" ft-inBarrier transition height is directly dimensioned as 1'-9½".The dimension is explicitly identified as the barrier transition height/end height, not the paving-rest or end-post dimension.readp2 · p02_r02 barrier transition detailp2 · p02_r02
Instance CountNwants count1 countThe barrier transition object count is stated as 1.Each crop identifies one barrier transition object in the detail.readp2 · p02_r02 barrier transition detailp2 · p02_r02
Material TypeMATnot establishedNeither reading states a material for the barrier transition, and no material can be derived from the dimensions or notes.not found

Worked out by openai/gpt-5.6-terra from the readings below, which are the source. A derived value shows its arithmetic — check it against the drawing before it is priced.

Every dimension read for it9

  • 12'-0" ft-inBarrier transition lengthp2 · p02_r02 barrier transition detail
  • 1'-9½" ft-inBarrier transition heightp2 · p02_r02 barrier transition detail
  • 1Barrier transition slopep2 · p02_r02 barrier transition detail
  • 18Barrier transition slopep2 · p02_r02 barrier transition detail
  • 1/4" = 1'-0"Scalenot attributedp2 · p02_r02 barrier transition detail
  • 12'-0"barrier transition lengthp2 · p02_r02
  • 1'-9½"barrier transition end heightp2 · p02_r02
  • 1/18barrier transition slopep2 · p02_r02
  • 1/4" = 1'-0"scalenot attributedp2 · p02_r02

Notes on the sheets that carry it

  • p212" PAVING REST
  • p2END POST

Every crop it was read in — the drawing beside what the model took off it

Page 2

crop

p02_r02 barrier transition detail

page 2 · gdot_drawing_for_one_item_1d2aef44145e4a0fb4e1079a43f94de1_p02_r02_barrier_transition_detail
Original
p02_r02 barrier transition detail
{
  "view": "Detail",
  "objects": [
    {
      "name": "barrier transition",
      "tag": "",
      "shape": "tapered profile",
      "material": "",
      "count": 1,
      "note": "Transition slopes upward from the paving rest to the full barrier height."
    },
    {
      "name": "end post",
      "tag": "",
      "shape": "inclined rectangular post",
      "material": "",
      "count": 1,
      "note": ""
    },
    {
      "name": "paving rest",
      "tag": "",
      "shape": "rectangular",
      "material": "",
      "count": 1,
      "note": "Called out as 12\" paving rest."
    }
  ],
  "measurements": [
    {
      "label": "PAVING REST",
      "value": "12\"",
      "unit": "in",
      "appliesTo": "paving rest"
    },
    {
      "label": "Paving rest thickness",
      "value": "2\"",
      "unit": "in",
      "appliesTo": "paving rest"
    },
    {
      "label": "Barrier transition length",
      "value": "12'-0\"",
      "unit": "ft-in",
      "appliesTo": "barrier transition"
    },
    {
      "label": "Barrier transition height",
      "value": "1'-9½\"",
      "unit": "ft-in",
      "appliesTo": "barrier transition"
    },
    {
      "label": "Barrier transition slope",
      "value": "1",
      "unit": "",
      "appliesTo": "barrier transition"
    },
    {
      "label": "Barrier transition slope",
      "value": "18",
      "unit": "",
      "appliesTo": "barrier transition"
    },
    {
      "label": "Scale",
      "value": "1/4\" = 1'-0\"",
      "unit": "",
      "appliesTo": ""
    }
  ],
  "notes": [
    "12\" PAVING REST",
    "END POST"
  ],
  "labels": [
    "BARRIER TRANSITION DETAIL",
    "SCALE: 1/4\" = 1'-0\""
  ],
  "description": "This crop shows a barrier transition detail from a 12-inch paving rest at an end post to a higher barrier section. The transition is dimensioned 12'-0\" long, with a 1'-9½\" height at the right end and a diagrammed 1-to-18 slope."
}

p02_r02 barrier transition detailDetail

  • barrier transition×1tapered profileTransition slopes upward from the paving rest to the full barrier height.

12" in PAVING REST2" in Paving rest thickness12'-0" ft-in Barrier transition length1'-9½" ft-in Barrier transition height1 Barrier transition slope18 Barrier transition slope1/4" = 1'-0" Scale

crop

p02_r02

page 2 · other_p02_r02
Original
p02_r02
{
  "view": "Detail",
  "objects": [
    {
      "name": "barrier transition",
      "tag": "",
      "shape": "tapered longitudinal transition",
      "material": "",
      "count": 1,
      "note": ""
    },
    {
      "name": "end post",
      "tag": "END POST",
      "shape": "rectangular",
      "material": "",
      "count": 1,
      "note": ""
    },
    {
      "name": "paving rest",
      "tag": "",
      "shape": "",
      "material": "",
      "count": 1,
      "note": "Callout reads \"12\" PAVING REST\"."
    }
  ],
  "measurements": [
    {
      "label": "barrier transition length",
      "value": "12'-0\"",
      "unit": "",
      "appliesTo": "barrier transition"
    },
    {
      "label": "paving rest",
      "value": "12\"",
      "unit": "",
      "appliesTo": "paving rest"
    },
    {
      "label": "dimension at end post/barrier connection",
      "value": "2\"",
      "unit": "",
      "appliesTo": "END POST"
    },
    {
      "label": "barrier transition end height",
      "value": "1'-9½\"",
      "unit": "",
      "appliesTo": "barrier transition"
    },
    {
      "label": "barrier transition slope",
      "value": "1/18",
      "unit": "",
      "appliesTo": "barrier transition"
    },
    {
      "label": "scale",
      "value": "1/4\" = 1'-0\"",
      "unit": "",
      "appliesTo": ""
    }
  ],
  "notes": [],
  "labels": [
    "BARRIER TRANSITION DETAIL",
    "BARRIER TRANSITION"
  ],
  "description": "This crop shows a barrier transition detail in side elevation. It depicts a tapered barrier transition from an end post, with a paving-rest callout, length, end height, and transition slope dimensions."
}

p02_r02Detail

  • barrier transition×1tapered longitudinal transition

12'-0" barrier transition length12" paving rest2" dimension at end post/barrier connection1'-9½" barrier transition end height1/18 barrier transition slope1/4" = 1'-0" scale