Drawing to BOQpipeline control sheet
← Mindmapwhat the drawings said

RCC Seismic Stopper

1 page · 2 crops · ×3 · superstructure

Matched toSeismic Restrainerbridge.substructure.seismic_restraineron “Seismic Stopper”

1 read off the drawings · 1 derived · 3 not established
The class asks forValueHowFrom
LengthLwants m/mmnot establishedNo dimension in either section is stated as the RCC seismic stopper length. The 1500(SK) dimension in Section B-B applies to the bearing/seismic-stopper arrangement, not explicitly to the stopper block itself.not found
WidthWwants m/mmnot establishedNo dimension is explicitly identified as the RCC seismic stopper width.not found
HeightHwants m/mmnot establishedNo dimension is explicitly identified as the RCC seismic stopper height. Dimensions such as 1500 and 750 in Section B-B apply to the pier head/cap, not the stopper.not found
Instance CountNwants count3 count2 RCC seismic stoppers shown in Section B-B + 1 seismic stopper shown in Section A-A = 3.Section B-B explicitly records 2 RCC seismic stopper blocks, described as symmetrical stopper blocks. Section A-A records 1 seismic stopper adjacent to the bearing. These are shown at separate support locations, pier and abutment respectively.derivedp2 · p02_r04 section b bp2 · p02_r05 section a a
Material TypeMATRCCThe stopper is labelled RCC SEISMIC STOPPER in both sections, and the object material is stated as RCC.readp2 · p02_r04 section b bp2 · p02_r05 section a a

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

How the sheets named it

seismic stopper

Notes on the sheets that carry it

  • p2RCC CRASH BARRIER
  • p2FRL
  • p2DECK CONTINUITY
  • p2PRECAST PSC GIRDER (TYP.)
  • p2RCC SEISMIC STOPPER
  • p2POT-PTFE BEARING (TYP.)
  • p2RCC COLUMN PIER
  • p2RCC PILECAP
  • p21200 DIA BORED CAST-IN-SITU PILES
  • p2STONE PITCHING
  • p2INDEPENDENT RETAINING WALL
  • p2600 THK. FILTER MEDIA

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

Page 2

crop

p02_r04 section b b

page 2 · structural_drawings_pkg_1_cede2c5e58c24d1b92ee5a813c5fab4c_p02_r04_section_b_b
Original
p02_r04 section b b
{
  "view": "Section",
  "objects": [
    {
      "name": "pier",
      "tag": "P1",
      "shape": "symmetrical pier assembly",
      "material": "",
      "count": 1,
      "note": "Shown in Section B-B."
    },
    {
      "name": "RCC crash barrier",
      "tag": "",
      "shape": "linear barrier",
      "material": "RCC",
      "count": null,
      "note": "Callout shown at deck edge."
    },
    {
      "name": "deck slab",
      "tag": "",
      "shape": "horizontal slab",
      "material": "",
      "count": 1,
      "note": "Deck continuity is called out at the pier centreline."
    },
    {
      "name": "deck continuity",
      "tag": "",
      "shape": "joint/continuity detail",
      "material": "",
      "count": 1,
      "note": ""
    },
    {
      "name": "precast PSC girder",
      "tag": "",
      "shape": "precast girder",
      "material": "precast PSC",
      "count": 2,
      "note": "(TYP.)"
    },
    {
      "name": "POT-PTFE bearing",
      "tag": "",
      "shape": "rectangular bearing",
      "material": "PTFE",
      "count": 2,
      "note": "(TYP.)"
    },
    {
      "name": "RCC seismic stopper",
      "tag": "",
      "shape": "rectangular block",
      "material": "RCC",
      "count": 2,
      "note": "One stopper is called out; symmetrical stopper blocks are shown."
    },
    {
      "name": "RCC column pier",
      "tag": "",
      "shape": "rectangular",
      "material": "RCC",
      "count": 1,
      "note": ""
    },
    {
      "name": "RCC pilecap",
      "tag": "",
      "shape": "rectangular",
      "material": "RCC",
      "count": 1,
      "note": ""
    },
    {
      "name": "bored cast-in-situ pile",
      "tag": "",
      "shape": "circular",
      "material": "",
      "count": 2,
      "note": "Called out as 1200 DIA bored cast-in-situ piles."
    }
  ],
  "measurements": [
    {
      "label": "bearing centreline offset, SQ",
      "value": "1170(SQ)",
      "unit": "",
      "appliesTo": "P1 / C OF BRG."
    },
    {
      "label": "bearing centreline offset, SK",
      "value": "1350(SK)",
      "unit": "",
      "appliesTo": "P1 / C OF BRG."
    },
    {
      "label": "deck depth",
      "value": "230",
      "unit": "",
      "appliesTo": "deck slab"
    },
    {
      "label": "deck depth",
      "value": "230",
      "unit": "",
      "appliesTo": "deck slab"
    },
    {
      "label": "girder depth",
      "value": "2650",
      "unit": "",
      "appliesTo": "precast PSC girder"
    },
    {
      "label": "girder depth",
      "value": "2650",
      "unit": "",
      "appliesTo": "precast PSC girder"
    },
    {
      "label": "horizontal dimension",
      "value": "1500(SK)",
      "unit": "",
      "appliesTo": "bearing/seismic stopper arrangement"
    },
    {
      "label": "vertical dimension",
      "value": "1500",
      "unit": "",
      "appliesTo": "pier head/cap"
    },
    {
      "label": "partial vertical dimension",
      "value": "750",
      "unit": "",
      "appliesTo": "pier head/cap"
    },
    {
      "label": "partial vertical dimension",
      "value": "750",
      "unit": "",
      "appliesTo": "pier head/cap"
    },
    {
      "label": "horizontal dimension, SQ/SK",
      "value": "3640(SQ)4203(SK)",
      "unit": "",
      "appliesTo": "pier head/cap"
    },
    {
      "label": "column width",
      "value": "1500",
      "unit": "",
      "appliesTo": "RCC column pier"
    },
    {
      "label": "pilecap depth",
      "value": "1800",
      "unit": "",
      "appliesTo": "RCC pilecap"
    },
    {
      "label": "pilecap end projection",
      "value": "750",
      "unit": "",
      "appliesTo": "RCC pilecap"
    },
    {
      "label": "pile spacing",
      "value": "3600",
      "unit": "",
      "appliesTo": "bored cast-in-situ piles"
    },
    {
      "label": "pilecap overall width",
      "value": "5100",
      "unit": "",
      "appliesTo": "RCC pilecap"
    },
    {
      "label": "pilecap end projection",
      "value": "750",
      "unit": "",
      "appliesTo": "RCC pilecap"
    },
    {
      "label": "pile diameter",
      "value": "1200",
      "unit": "DIA",
      "appliesTo": "bored cast-in-situ piles"
    },
    {
      "label": "scale",
      "value": "1:150",
      "unit": "",
      "appliesTo": "SECTION B-B"
    }
  ],
  "notes": [
    "RCC CRASH BARRIER",
    "FRL",
    "DECK CONTINUITY",
    "PRECAST PSC GIRDER (TYP.)",
    "RCC SEISMIC STOPPER",
    "POT-PTFE BEARING (TYP.)",
    "RCC COLUMN PIER",
    "RCC PILECAP",
    "1200 DIA BORED CAST-IN-SITU PILES"
  ],
  "labels": [
    "℄ OF BRG.",
    "SECTION B-B",
    "(SCALE 1:150)"
  ],
  "description": "This crop shows Section B-B through pier P1, including the deck, precast PSC girders, bearings, seismic stoppers, column pier, pilecap, and bored cast-in-situ piles. The section documents the principal pier and foundation geometry, with alternate SQ and SK dimensions printed at the bearing and pier-head arrangement."
}

p02_r04 section b bSection

  • RCC seismic stopper×2rectangular blockRCCOne stopper is called out; symmetrical stopper blocks are shown.

1170(SQ) bearing centreline offset, SQ1350(SK) bearing centreline offset, SK230 deck depth230 deck depth2650 girder depth2650 girder depth1500(SK) horizontal dimension1500 vertical dimension+11 more

crop

p02_r05 section a a

page 2 · structural_drawings_pkg_1_cede2c5e58c24d1b92ee5a813c5fab4c_p02_r05_section_a_a
Original
p02_r05 section a a
{
  "view": "Section",
  "objects": [
    {
      "name": "bridge deck slab",
      "tag": "",
      "shape": "rectangular horizontal slab",
      "material": "",
      "count": 1,
      "note": "Shown across the top of the section with an expansion joint."
    },
    {
      "name": "expansion joint",
      "tag": "",
      "shape": "narrow vertical joint",
      "material": "",
      "count": 1,
      "note": "Located at the centreline marked C/L OF EXP. JOINT."
    },
    {
      "name": "rectangular bearing · POT-PTFE · ×1 · Callout states POT-PTFE BEARING (TYP.).",
      "tag": "",
      "shape": "rectangular laminated bearing",
      "material": "POT-PTFE",
      "count": 1,
      "note": "Callout states POT-PTFE BEARING (TYP.)."
    },
    {
      "name": "seismic stopper",
      "tag": "",
      "shape": "rectangular",
      "material": "RCC",
      "count": 1,
      "note": "Located adjacent to the bearing."
    },
    {
      "name": "abutment",
      "tag": "",
      "shape": "rectangular stem and footing",
      "material": "",
      "count": 1,
      "note": "Supports the bearing and superstructure."
    },
    {
      "name": "approach embankment",
      "tag": "",
      "shape": "sloping",
      "material": "",
      "count": 1,
      "note": "Sloping fill is shown to the left of the abutment."
    },
    {
      "name": "stone pitching",
      "tag": "",
      "shape": "sloping layer",
      "material": "stone",
      "count": 1,
      "note": "Shown on the retaining-wall-side slope."
    },
    {
      "name": "independent retaining wall",
      "tag": "",
      "shape": "vertical wall",
      "material": "",
      "count": 1,
      "note": "Shown to the right of the abutment."
    },
    {
      "name": "layer · ×1 · Shown immediately behind the abutment along the sloping fill.",
      "tag": "",
      "shape": "layer",
      "material": "",
      "count": 1,
      "note": "Shown behind the independent retaining wall."
    },
    {
      "name": "pile cap",
      "tag": "",
      "shape": "rectangular",
      "material": "",
      "count": 1,
      "note": "Outlined with dashed lines below the abutment."
    },
    {
      "name": "bored cast-in-situ piles",
      "tag": "",
      "shape": "circular",
      "material": "",
      "count": 4,
      "note": "Four pile symbols are visible below the pile cap."
    }
  ],
  "measurements": [
    {
      "label": "C/L OF BRG. to C/L OF EXP. JOINT",
      "value": "1070 (SQ.)",
      "unit": "",
      "appliesTo": "bearing / expansion joint"
    },
    {
      "label": "C/L OF BRG. to C/L OF EXP. JOINT",
      "value": "1236 (SK.)",
      "unit": "",
      "appliesTo": "bearing / expansion joint"
    },
    {
      "label": "EXP.GAP",
      "value": "80(SQ.)",
      "unit": "",
      "appliesTo": "expansion joint"
    },
    {
      "label": "EXP.GAP",
      "value": "92(SK)",
      "unit": "",
      "appliesTo": "expansion joint"
    },
    {
      "label": "horizontal dimension",
      "value": "3500(SQ)",
      "unit": "",
      "appliesTo": "deck / abutment"
    },
    {
      "label": "vertical dimension",
      "value": "230",
      "unit": "",
      "appliesTo": "deck"
    },
    {
      "label": "vertical dimension",
      "value": "2650",
      "unit": "",
      "appliesTo": "superstructure"
    },
    {
      "label": "horizontal dimension",
      "value": "1500",
      "unit": "",
      "appliesTo": "superstructure"
    },
    {
      "label": "horizontal dimension",
      "value": "2850",
      "unit": "",
      "appliesTo": "superstructure / abutment"
    },
    {
      "label": "horizontal dimension",
      "value": "1500",
      "unit": "",
      "appliesTo": "abutment"
    },
    {
      "label": "pile cap end projection",
      "value": "750",
      "unit": "",
      "appliesTo": "pile cap"
    },
    {
      "label": "pile spacing",
      "value": "3600",
      "unit": "",
      "appliesTo": "bored cast-in-situ piles"
    },
    {
      "label": "pile spacing",
      "value": "3600",
      "unit": "",
      "appliesTo": "bored cast-in-situ piles"
    },
    {
      "label": "pile spacing",
      "value": "3600",
      "unit": "",
      "appliesTo": "bored cast-in-situ piles"
    },
    {
      "label": "pile cap length",
      "value": "12300",
      "unit": "",
      "appliesTo": "pile cap"
    },
    {
      "label": "pile cap end projection",
      "value": "750",
      "unit": "",
      "appliesTo": "pile cap"
    },
    {
      "label": "filter media thickness",
      "value": "600",
      "unit": "",
      "appliesTo": "filter media"
    },
    {
      "label": "pile diameter",
      "value": "1200",
      "unit": "",
      "appliesTo": "bored cast-in-situ piles"
    },
    {
      "label": "scale",
      "value": "1:150",
      "unit": "",
      "appliesTo": "SECTION A-A"
    }
  ],
  "notes": [
    "POT-PTFE BEARING (TYP.)",
    "RCC SEISMIC STOPPER",
    "STONE PITCHING",
    "INDEPENDENT RETAINING WALL",
    "600 THK. FILTER MEDIA",
    "1200 DIA BORED CAST-IN-SITU PILES"
  ],
  "labels": [
    "A2",
    "C/L OF EXP. JOINT",
    "C/L OF BRG.",
    "EXP.GAP",
    "SECTION A-A",
    "(SCALE 1:150)",
    "1",
    "2"
  ],
  "description": "This crop shows Section A-A through a bridge abutment and adjacent independent retaining wall. It documents the deck expansion joint, bearing and RCC seismic stopper, abutment on a piled foundation, approach embankment, stone pitching, and filter media behind the retaining wall."
}

p02_r05 section a aSection

  • seismic stopper×1rectangularRCCLocated adjacent to the bearing.

1070 (SQ.) C/L OF BRG. to C/L OF EXP. JOINT1236 (SK.) C/L OF BRG. to C/L OF EXP. JOINT80(SQ.) EXP.GAP92(SK) EXP.GAP3500(SQ) horizontal dimension230 vertical dimension2650 vertical dimension1500 horizontal dimension+11 more