diff --git a/app/Http/Controllers/Juil/PlanningController.php b/app/Http/Controllers/Juil/PlanningController.php
index 97baaf3d..7de5f8db 100644
--- a/app/Http/Controllers/Juil/PlanningController.php
+++ b/app/Http/Controllers/Juil/PlanningController.php
@@ -48,6 +48,15 @@ public function constructionPmis(Request $request): View|Response
         return view('juil.construction-pmis');
     }
 
+    public function bimViewer(Request $request): View|Response
+    {
+        if ($request->header('HX-Request')) {
+            return response('', 200)->header('HX-Redirect', route('juil.construction-pmis.bim-viewer'));
+        }
+
+        return view('juil.bim-viewer');
+    }
+
     public function pmisWeather(WeatherService $weatherService): JsonResponse
     {
         $forecasts = $weatherService->getWeeklyForecast();
diff --git a/resources/views/juil/bim-viewer.blade.php b/resources/views/juil/bim-viewer.blade.php
new file mode 100644
index 00000000..c8f22db4
--- /dev/null
+++ b/resources/views/juil/bim-viewer.blade.php
@@ -0,0 +1,551 @@
+@extends('layouts.app')
+
+@section('title', 'BIM 뷰어')
+
+@section('content')
+<div id="root"></div>
+@endsection
+
+@push('scripts')
+<script src="https://cdn.tailwindcss.com"></script>
+<link href="https://cdn.jsdelivr.net/npm/remixicon@4.2.0/fonts/remixicon.css" rel="stylesheet" />
+<script src="https://cdn.jsdelivr.net/npm/three@0.149.0/build/three.min.js"></script>
+<script src="https://cdn.jsdelivr.net/npm/three@0.149.0/examples/js/controls/OrbitControls.js"></script>
+@include('partials.react-cdn')
+<script type="text/babel">
+@verbatim
+const { useState, useEffect, useRef, useCallback } = React;
+
+const CSRF_TOKEN = document.querySelector('meta[name="csrf-token"]')?.content || '';
+
+/* ════════════════════════════════════════════════
+   상수
+   ════════════════════════════════════════════════ */
+const COLORS = {
+    floor:  0x81C784, roof:   0x4CAF50, column: 0xFF9800,
+    beam:   0xFFC107, wall:   0x42A5F5, window: 0x00BCD4,
+    door:   0x8B4513, stair:  0xFFAB91, ground: 0xE8E0D0,
+};
+const TYPE_LABEL = {
+    floor:'바닥 슬래브', roof:'지붕', column:'기둥', beam:'보',
+    wall:'벽체', window:'창호', door:'출입문', stair:'계단실',
+};
+const TYPE_ICONS = {
+    column:'ri-layout-grid-line', beam:'ri-ruler-line', floor:'ri-layout-bottom-line',
+    wall:'ri-layout-masonry-line', window:'ri-window-line', roof:'ri-home-4-line',
+    stair:'ri-stairs-line', door:'ri-door-open-line',
+};
+const MODEL_INFO = {
+    projectName: 'SAM 물류센터 (데모)',
+    modelName: '구조 + 건축 통합 모델',
+    buildingType: '물류창고 / 사무동',
+    floors: '지상 3층',
+    area: '60m × 30m (1,800㎡)',
+    height: '12.0m',
+    updatedAt: '2026-03-12 10:30',
+};
+
+/* ════════════════════════════════════════════════
+   Three.js BIM Scene Manager
+   ════════════════════════════════════════════════ */
+class BimScene {
+    constructor(el) {
+        this.el = el;
+        this.scene = null; this.camera = null; this.renderer = null; this.controls = null;
+        this.raycaster = new THREE.Raycaster();
+        this.mouse = new THREE.Vector2();
+        this.meshes = [];
+        this.selected = null;
+        this.groups = {};
+        this.onSelect = null;
+        this._animId = null;
+        this._onClick = this.onClick.bind(this);
+        this._onResize = this.onResize.bind(this);
+        this.targetPos = null; this.targetLook = null;
+    }
+
+    init() {
+        const w = this.el.clientWidth, h = this.el.clientHeight;
+
+        this.scene = new THREE.Scene();
+        this.scene.background = new THREE.Color(0xf0f4f8);
+        this.scene.fog = new THREE.FogExp2(0xf0f4f8, 0.004);
+
+        this.camera = new THREE.PerspectiveCamera(45, w / h, 0.1, 500);
+        this.camera.position.set(55, 35, 55);
+
+        this.renderer = new THREE.WebGLRenderer({ antialias: true });
+        this.renderer.setSize(w, h);
+        this.renderer.setPixelRatio(Math.min(window.devicePixelRatio, 2));
+        this.renderer.shadowMap.enabled = true;
+        this.renderer.shadowMap.type = THREE.PCFSoftShadowMap;
+        this.el.appendChild(this.renderer.domElement);
+
+        this.controls = new THREE.OrbitControls(this.camera, this.renderer.domElement);
+        this.controls.target.set(30, 6, 15);
+        this.controls.enableDamping = true;
+        this.controls.dampingFactor = 0.08;
+        this.controls.update();
+
+        // Lights
+        this.scene.add(new THREE.HemisphereLight(0xb1e1ff, 0xb97a20, 0.55));
+        const sun = new THREE.DirectionalLight(0xffffff, 0.85);
+        sun.position.set(45, 50, 35);
+        sun.castShadow = true;
+        sun.shadow.mapSize.set(2048, 2048);
+        const sc = sun.shadow.camera;
+        sc.left = -65; sc.right = 65; sc.top = 50; sc.bottom = -20; sc.near = 1; sc.far = 150;
+        this.scene.add(sun);
+        this.scene.add(new THREE.AmbientLight(0xffffff, 0.25));
+
+        // Grid
+        const grid = new THREE.GridHelper(140, 28, 0xc0c0c0, 0xe0e0e0);
+        grid.position.set(30, -0.01, 15);
+        this.scene.add(grid);
+
+        // Axes
+        const axes = new THREE.AxesHelper(4);
+        axes.position.set(-3, 0, -3);
+        this.scene.add(axes);
+
+        this.createBuilding();
+        this.renderer.domElement.addEventListener('click', this._onClick);
+        window.addEventListener('resize', this._onResize);
+        this.animate();
+    }
+
+    mat(color, transparent) {
+        return new THREE.MeshPhongMaterial({
+            color, transparent: !!transparent, opacity: transparent ? 0.35 : 1,
+            side: transparent ? THREE.DoubleSide : THREE.FrontSide,
+        });
+    }
+
+    box(gx, gy, gz, pos, userData, group) {
+        const mesh = new THREE.Mesh(new THREE.BoxGeometry(gx, gy, gz), this.mat(COLORS[userData.type], userData.type === 'window'));
+        mesh.position.set(pos[0], pos[1], pos[2]);
+        mesh.castShadow = true;
+        mesh.receiveShadow = true;
+        mesh.userData = userData;
+        if (!this.groups[group]) { this.groups[group] = new THREE.Group(); this.groups[group].name = group; this.scene.add(this.groups[group]); }
+        this.groups[group].add(mesh);
+        this.meshes.push(mesh);
+        return mesh;
+    }
+
+    createBuilding() {
+        const W = 60, D = 30, FH = 4, NF = 3;
+        const CX = 7, CZ = 4, SX = 10, SZ = 10;
+
+        // Ground
+        const gnd = new THREE.Mesh(new THREE.PlaneGeometry(140, 100), new THREE.MeshPhongMaterial({ color: COLORS.ground }));
+        gnd.rotation.x = -Math.PI / 2; gnd.position.set(30, -0.02, 15); gnd.receiveShadow = true;
+        this.scene.add(gnd);
+
+        // ─── Slabs ───
+        for (let f = 0; f <= NF; f++) {
+            const isRoof = f === NF;
+            const label = f === 0 ? '기초 슬래브' : isRoof ? '지붕 슬래브' : `${f}F 바닥 슬래브`;
+            const th = isRoof ? 0.4 : 0.3;
+            this.box(W + 0.6, th, D + 0.6, [W / 2, f * FH, D / 2],
+                { type: isRoof ? 'roof' : 'floor', name: label, material: '철근콘크리트 (24MPa)', floor: isRoof ? 'RF' : (f === 0 ? 'GL' : f + 'F'), dimensions: `${W}m × ${D}m × ${th * 1000}mm` },
+                isRoof ? 'roof' : 'floor');
+        }
+
+        // ─── Columns ───
+        let cn = 0;
+        for (let f = 0; f < NF; f++) {
+            for (let ix = 0; ix < CX; ix++) {
+                for (let iz = 0; iz < CZ; iz++) {
+                    cn++;
+                    const ch = FH - 0.3;
+                    this.box(0.45, ch, 0.45, [ix * SX, f * FH + 0.15 + ch / 2, iz * SZ],
+                        { type: 'column', name: `C-${String(cn).padStart(3, '0')}`, material: 'H형강 (SS400)', floor: `${f + 1}F`, dimensions: '400×400×3,700mm', grid: `(${ix + 1},${iz + 1})` },
+                        'column');
+                }
+            }
+        }
+
+        // ─── Beams ───
+        for (let f = 1; f <= NF; f++) {
+            const by = f * FH - 0.25;
+            for (let iz = 0; iz < CZ; iz++) {
+                this.box(W, 0.5, 0.3, [W / 2, by, iz * SZ],
+                    { type: 'beam', name: `GB-X${iz + 1}-${f}F`, material: 'H형강 (SS400)', floor: `${f}F`, dimensions: `${W}m × 300×500mm`, direction: 'X방향 대보' },
+                    'beam');
+            }
+            for (let ix = 0; ix < CX; ix++) {
+                this.box(0.3, 0.45, D, [ix * SX, by, D / 2],
+                    { type: 'beam', name: `GB-Z${ix + 1}-${f}F`, material: 'H형강 (SS400)', floor: `${f}F`, dimensions: `${D}m × 300×450mm`, direction: 'Z방향 대보' },
+                    'beam');
+            }
+        }
+
+        // ─── Walls & Windows ───
+        for (let f = 0; f < NF; f++) {
+            const baseY = f * FH + 0.3;
+            const wh = FH - 0.6;
+            const segW = SX - 1;
+
+            // Front (z = 0) — windows
+            for (let s = 0; s < CX - 1; s++) {
+                const cx = s * SX + SX / 2;
+                const bh = 1.0, winH = 2.0, ah = wh - bh - winH;
+                this.box(segW, bh, 0.25, [cx, baseY + bh / 2, 0],
+                    { type: 'wall', name: `W-F-${f + 1}F-${s + 1}`, material: 'ALC 패널 (150mm)', floor: `${f + 1}F`, dimensions: `${segW}m × ${bh}m`, face: '전면(남)' }, 'wall');
+                this.box(segW - 0.6, winH, 0.06, [cx, baseY + bh + winH / 2, 0],
+                    { type: 'window', name: `WIN-F-${f + 1}F-${s + 1}`, material: '복층유리 (24mm)', floor: `${f + 1}F`, dimensions: `${(segW - 0.6).toFixed(1)}m × ${winH}m`, face: '전면(남)' }, 'window');
+                if (ah > 0.1)
+                    this.box(segW, ah, 0.25, [cx, baseY + bh + winH + ah / 2, 0],
+                        { type: 'wall', name: `W-F-${f + 1}F-${s + 1}t`, material: 'ALC 패널', floor: `${f + 1}F`, face: '전면(남)' }, 'wall');
+            }
+
+            // Back (z = D)
+            for (let s = 0; s < CX - 1; s++) {
+                const cx = s * SX + SX / 2;
+                if (f === 0 && s % 2 === 0) {
+                    // Loading dock door
+                    const dh = 3.5, dw = 5;
+                    this.box(dw, dh, 0.12, [cx, baseY + dh / 2, D],
+                        { type: 'door', name: `DOCK-${Math.floor(s / 2) + 1}`, material: '스틸 오버헤드도어', floor: '1F', dimensions: `${dw}m × ${dh}m`, face: '후면(북) 하역장' }, 'wall');
+                    const aboveH = wh - dh;
+                    if (aboveH > 0.1)
+                        this.box(segW, aboveH, 0.25, [cx, baseY + dh + aboveH / 2, D],
+                            { type: 'wall', name: `W-B-1F-${s + 1}t`, material: 'ALC 패널', floor: '1F', face: '후면(북)' }, 'wall');
+                } else {
+                    this.box(segW, wh, 0.25, [cx, baseY + wh / 2, D],
+                        { type: 'wall', name: `W-B-${f + 1}F-${s + 1}`, material: 'ALC 패널 (150mm)', floor: `${f + 1}F`, dimensions: `${segW}m × ${wh.toFixed(1)}m`, face: '후면(북)' }, 'wall');
+                }
+            }
+
+            // Sides (x = 0, x = W)
+            [0, W].forEach((x, si) => {
+                const face = si === 0 ? '좌측(서)' : '우측(동)';
+                for (let s = 0; s < CZ - 1; s++) {
+                    const cz = s * SZ + SZ / 2;
+                    this.box(0.25, wh, segW, [x, baseY + wh / 2, cz],
+                        { type: 'wall', name: `W-S${si}-${f + 1}F-${s + 1}`, material: 'ALC 패널 (150mm)', floor: `${f + 1}F`, dimensions: `${segW}m × ${wh.toFixed(1)}m`, face }, 'wall');
+                }
+            });
+        }
+
+        // ─── Stair Core ───
+        const sx = 53, sz = 13, sw = 5, sd = 7;
+        for (let f = 0; f < NF; f++) {
+            const baseY = f * FH + 0.3, wh = FH - 0.6, my = baseY + wh / 2;
+            [[sw, wh, 0.2, [sx, my, sz - sd / 2]], [sw, wh, 0.2, [sx, my, sz + sd / 2]],
+             [0.2, wh, sd, [sx - sw / 2, my, sz]], [0.2, wh, sd, [sx + sw / 2, my, sz]]].forEach((p, i) => {
+                this.box(p[0], p[1], p[2], p[3],
+                    { type: 'stair', name: `STAIR-${f + 1}F-${i + 1}`, material: '철근콘크리트', floor: `${f + 1}F`, dimensions: '계단/EV 코어' }, 'stair');
+            });
+            // Stair landing slab
+            this.box(sw - 0.4, 0.15, sd - 0.4, [sx, baseY + wh / 2, sz],
+                { type: 'stair', name: `STAIR-LAND-${f + 1}F`, material: '철근콘크리트', floor: `${f + 1}F`, dimensions: '계단 참 슬래브' }, 'stair');
+        }
+    }
+
+    onClick(e) {
+        const rect = this.renderer.domElement.getBoundingClientRect();
+        this.mouse.x = ((e.clientX - rect.left) / rect.width) * 2 - 1;
+        this.mouse.y = -((e.clientY - rect.top) / rect.height) * 2 + 1;
+        this.raycaster.setFromCamera(this.mouse, this.camera);
+        const hits = this.raycaster.intersectObjects(this.meshes);
+
+        if (this.selected) { this.selected.material.emissive.setHex(0); this.selected = null; }
+        if (hits.length > 0) {
+            this.selected = hits[0].object;
+            this.selected.material.emissive.setHex(0x444400);
+            if (this.onSelect) this.onSelect(this.selected.userData);
+        } else {
+            if (this.onSelect) this.onSelect(null);
+        }
+    }
+
+    setView(p) {
+        const t = new THREE.Vector3(30, 6, 15);
+        const pos = { perspective: [55, 35, 55], top: [30, 55, 15.01], front: [30, 8, -35], right: [85, 8, 15], back: [30, 8, 55] };
+        this.targetPos = new THREE.Vector3(...(pos[p] || pos.perspective));
+        this.targetLook = t.clone();
+    }
+
+    toggleGroup(name, vis) { if (this.groups[name]) this.groups[name].visible = vis; }
+    toggleWireframe(on) { this.meshes.forEach(m => { m.material.wireframe = on; }); }
+
+    getCounts() {
+        const c = {};
+        this.meshes.forEach(m => { const t = m.userData.type; c[t] = (c[t] || 0) + 1; });
+        return c;
+    }
+
+    onResize() {
+        const w = this.el.clientWidth, h = this.el.clientHeight;
+        this.camera.aspect = w / h;
+        this.camera.updateProjectionMatrix();
+        this.renderer.setSize(w, h);
+    }
+
+    animate() {
+        this._animId = requestAnimationFrame(() => this.animate());
+        if (this.targetPos) {
+            this.camera.position.lerp(this.targetPos, 0.07);
+            this.controls.target.lerp(this.targetLook, 0.07);
+            if (this.camera.position.distanceTo(this.targetPos) < 0.2) this.targetPos = null;
+        }
+        this.controls.update();
+        this.renderer.render(this.scene, this.camera);
+    }
+
+    dispose() {
+        cancelAnimationFrame(this._animId);
+        this.renderer.domElement.removeEventListener('click', this._onClick);
+        window.removeEventListener('resize', this._onResize);
+        this.renderer.dispose();
+        if (this.el.contains(this.renderer.domElement)) this.el.removeChild(this.renderer.domElement);
+    }
+}
+
+/* ════════════════════════════════════════════════
+   React Components
+   ════════════════════════════════════════════════ */
+
+/* ─── 사이드바 ─── */
+function BimSidebar() {
+    const [profile, setProfile] = useState(null);
+    useEffect(() => {
+        fetch('/juil/construction-pmis/profile', { headers: { Accept: 'application/json' } })
+            .then(r => r.json()).then(d => setProfile(d.worker)).catch(() => {});
+    }, []);
+
+    const menus = [
+        { icon: 'ri-building-2-line', label: 'BIM 관리', active: true, children: [{ label: 'BIM 뷰어', active: true }] },
+        { icon: 'ri-line-chart-line', label: '시공관리' },
+        { icon: 'ri-file-list-3-line', label: '품질관리' },
+        { icon: 'ri-shield-check-line', label: '안전관리' },
+        { icon: 'ri-folder-line', label: '자료실' },
+    ];
+
+    return (
+        <div className="bg-white border-r border-gray-200 shadow-sm flex flex-col shrink-0" style={{ width: 200 }}>
+            {/* Back */}
+            <a href="/juil/construction-pmis" className="flex items-center gap-2 px-4 py-3 text-sm text-blue-600 hover:bg-blue-50 border-b border-gray-100 transition">
+                <i className="ri-arrow-left-s-line text-lg"></i> PMIS 대시보드
+            </a>
+            {/* Profile */}
+            <div className="p-3 border-b border-gray-100 text-center">
+                <div className="w-12 h-12 mx-auto mb-1 rounded-full bg-gray-100 border-2 border-gray-200 flex items-center justify-center">
+                    {profile?.profile_photo_path
+                        ? <img src={profile.profile_photo_path} className="w-full h-full rounded-full object-cover" />
+                        : <i className="ri-user-3-line text-xl text-gray-300"></i>}
+                </div>
+                <div className="text-sm font-bold text-gray-800">{profile?.name || '...'}</div>
+                <div className="text-xs text-gray-500 mt-0.5">{profile?.department || ''}</div>
+            </div>
+            {/* Menus */}
+            <div className="flex-1 overflow-auto py-1">
+                {menus.map(m => (
+                    <div key={m.label}>
+                        <div className={`flex items-center gap-2 px-4 py-2.5 text-sm cursor-pointer transition ${m.active ? 'bg-blue-50 text-blue-700 font-semibold' : 'text-gray-600 hover:bg-gray-50'}`}>
+                            <i className={`${m.icon} text-base`}></i>
+                            {m.label}
+                            <i className={`ml-auto ${m.active ? 'ri-arrow-down-s-line' : 'ri-arrow-right-s-line'} text-gray-400 text-xs`}></i>
+                        </div>
+                        {m.active && m.children && m.children.map(c => (
+                            <div key={c.label} className={`pl-10 pr-4 py-2 text-sm ${c.active ? 'bg-blue-100 text-blue-800 font-semibold border-l-2 border-blue-600' : 'text-gray-500 hover:text-blue-600'}`}>
+                                {c.label}
+                            </div>
+                        ))}
+                    </div>
+                ))}
+            </div>
+        </div>
+    );
+}
+
+/* ─── 하단 툴바 ─── */
+function BimToolbar({ onView, visibility, onToggle, wireframe, onWireframe }) {
+    const views = [
+        { id: 'perspective', icon: 'ri-box-3-line', label: '투시도' },
+        { id: 'front', icon: 'ri-layout-bottom-2-line', label: '정면' },
+        { id: 'right', icon: 'ri-layout-right-2-line', label: '우측' },
+        { id: 'top', icon: 'ri-layout-top-2-line', label: '상부' },
+        { id: 'back', icon: 'ri-arrow-go-back-line', label: '배면' },
+    ];
+    const toggles = ['column', 'beam', 'floor', 'wall', 'window', 'roof', 'stair'];
+
+    return (
+        <div className="absolute bottom-0 left-0 right-0 bg-white/95 backdrop-blur border-t border-gray-200 px-4 py-2 flex items-center gap-4 text-xs z-10">
+            {/* View Presets */}
+            <div className="flex items-center gap-1">
+                <span className="text-gray-500 font-semibold mr-1">시점</span>
+                {views.map(v => (
+                    <button key={v.id} onClick={() => onView(v.id)}
+                        className="flex items-center gap-1 px-2 py-1.5 rounded hover:bg-blue-50 hover:text-blue-700 text-gray-600 transition"
+                        title={v.label}>
+                        <i className={`${v.icon} text-sm`}></i>
+                        <span className="hidden xl:inline">{v.label}</span>
+                    </button>
+                ))}
+            </div>
+
+            <div className="w-px h-6 bg-gray-300"></div>
+
+            {/* Element Toggles */}
+            <div className="flex items-center gap-1">
+                <span className="text-gray-500 font-semibold mr-1">요소</span>
+                {toggles.map(t => (
+                    <button key={t} onClick={() => onToggle(t)}
+                        className={`flex items-center gap-1 px-2 py-1.5 rounded transition ${visibility[t] !== false ? 'bg-gray-100 text-gray-700' : 'bg-gray-50 text-gray-300 line-through'}`}
+                        title={TYPE_LABEL[t]}>
+                        <i className={`${TYPE_ICONS[t] || 'ri-checkbox-blank-line'} text-sm`}></i>
+                        <span className="hidden xl:inline">{TYPE_LABEL[t]}</span>
+                    </button>
+                ))}
+            </div>
+
+            <div className="w-px h-6 bg-gray-300"></div>
+
+            {/* Wireframe */}
+            <button onClick={onWireframe}
+                className={`flex items-center gap-1 px-2 py-1.5 rounded transition ${wireframe ? 'bg-blue-100 text-blue-700' : 'text-gray-600 hover:bg-gray-100'}`}>
+                <i className="ri-pencil-ruler-2-line text-sm"></i>
+                <span className="hidden xl:inline">와이어프레임</span>
+            </button>
+        </div>
+    );
+}
+
+/* ─── 우측 정보 패널 ─── */
+function BimInfoPanel({ selected, counts }) {
+    return (
+        <div className="bg-white border-l border-gray-200 shadow-sm flex flex-col shrink-0 overflow-auto" style={{ width: 280 }}>
+            {/* 모델 정보 */}
+            <div className="p-4 border-b border-gray-100">
+                <h3 className="text-sm font-bold text-gray-800 flex items-center gap-1 mb-3">
+                    <i className="ri-information-line text-blue-500"></i> 모델 정보
+                </h3>
+                <table className="w-full text-xs">
+                    <tbody>
+                        {[['현장', MODEL_INFO.projectName], ['모델', MODEL_INFO.modelName], ['용도', MODEL_INFO.buildingType],
+                          ['규모', MODEL_INFO.floors], ['면적', MODEL_INFO.area], ['높이', MODEL_INFO.height],
+                          ['수정일', MODEL_INFO.updatedAt]].map(([k, v]) => (
+                            <tr key={k} className="border-b border-gray-50">
+                                <td className="py-1.5 pr-2 text-gray-500 font-medium whitespace-nowrap">{k}</td>
+                                <td className="py-1.5 text-gray-800">{v}</td>
+                            </tr>
+                        ))}
+                    </tbody>
+                </table>
+            </div>
+
+            {/* 선택 요소 */}
+            <div className="p-4 border-b border-gray-100 flex-1">
+                <h3 className="text-sm font-bold text-gray-800 flex items-center gap-1 mb-3">
+                    <i className="ri-cursor-line text-orange-500"></i> 선택된 요소
+                </h3>
+                {selected ? (
+                    <div className="bg-gray-50 rounded-lg p-3">
+                        <div className="flex items-center gap-2 mb-2">
+                            <span className="w-3 h-3 rounded-sm" style={{ backgroundColor: '#' + (COLORS[selected.type] || 0x999999).toString(16).padStart(6, '0') }}></span>
+                            <span className="text-sm font-bold text-gray-800">{selected.name}</span>
+                        </div>
+                        <table className="w-full text-xs">
+                            <tbody>
+                                {[['유형', TYPE_LABEL[selected.type] || selected.type],
+                                  ['재질', selected.material],
+                                  ['층', selected.floor],
+                                  ['치수', selected.dimensions],
+                                  ['면', selected.face],
+                                  ['방향', selected.direction],
+                                  ['격자', selected.grid],
+                                ].filter(([, v]) => v).map(([k, v]) => (
+                                    <tr key={k} className="border-b border-gray-200/50">
+                                        <td className="py-1.5 pr-2 text-gray-500 font-medium">{k}</td>
+                                        <td className="py-1.5 text-gray-700">{v}</td>
+                                    </tr>
+                                ))}
+                            </tbody>
+                        </table>
+                    </div>
+                ) : (
+                    <div className="text-xs text-gray-400 text-center py-6">
+                        <i className="ri-cursor-line text-2xl block mb-2"></i>
+                        건물 요소를 클릭하면<br />상세 정보가 표시됩니다
+                    </div>
+                )}
+            </div>
+
+            {/* 요소 통계 */}
+            <div className="p-4">
+                <h3 className="text-sm font-bold text-gray-800 flex items-center gap-1 mb-3">
+                    <i className="ri-bar-chart-box-line text-green-500"></i> 요소 통계
+                </h3>
+                <div className="space-y-1">
+                    {Object.entries(counts).map(([type, count]) => (
+                        <div key={type} className="flex items-center justify-between text-xs py-1">
+                            <span className="flex items-center gap-2 text-gray-600">
+                                <span className="w-2.5 h-2.5 rounded-sm" style={{ backgroundColor: '#' + (COLORS[type] || 0x999999).toString(16).padStart(6, '0') }}></span>
+                                {TYPE_LABEL[type] || type}
+                            </span>
+                            <span className="font-mono text-gray-800 font-semibold">{count}</span>
+                        </div>
+                    ))}
+                    <div className="flex items-center justify-between text-xs pt-2 mt-1 border-t border-gray-200 font-bold">
+                        <span className="text-gray-700">전체</span>
+                        <span className="font-mono text-blue-700">{Object.values(counts).reduce((a, b) => a + b, 0)}</span>
+                    </div>
+                </div>
+            </div>
+        </div>
+    );
+}
+
+/* ════════════════════════════════════════════════
+   Root Component
+   ════════════════════════════════════════════════ */
+function BimViewerApp() {
+    const vpRef = useRef(null);
+    const sceneRef = useRef(null);
+    const [selected, setSelected] = useState(null);
+    const [counts, setCounts] = useState({});
+    const [visibility, setVisibility] = useState({});
+    const [wireframe, setWireframe] = useState(false);
+
+    useEffect(() => {
+        if (!vpRef.current) return;
+        const bim = new BimScene(vpRef.current);
+        bim.init();
+        bim.onSelect = setSelected;
+        setCounts(bim.getCounts());
+        sceneRef.current = bim;
+        return () => bim.dispose();
+    }, []);
+
+    const handleView = useCallback(p => sceneRef.current?.setView(p), []);
+    const handleToggle = useCallback(t => {
+        setVisibility(prev => {
+            const next = { ...prev, [t]: prev[t] === false ? true : false };
+            sceneRef.current?.toggleGroup(t, next[t] !== false);
+            return next;
+        });
+    }, []);
+    const handleWire = useCallback(() => {
+        setWireframe(prev => { const n = !prev; sceneRef.current?.toggleWireframe(n); return n; });
+    }, []);
+
+    return (
+        <div className="flex bg-gray-100" style={{ height: 'calc(100vh - 56px)' }}>
+            <BimSidebar />
+            <div className="flex-1 flex flex-col relative overflow-hidden">
+                {/* 3D Viewport */}
+                <div ref={vpRef} className="flex-1" style={{ minHeight: 0 }} />
+                <BimToolbar onView={handleView} visibility={visibility} onToggle={handleToggle} wireframe={wireframe} onWireframe={handleWire} />
+            </div>
+            <BimInfoPanel selected={selected} counts={counts} />
+        </div>
+    );
+}
+
+ReactDOM.render(<BimViewerApp />, document.getElementById('root'));
+@endverbatim
+</script>
+@endpush
diff --git a/resources/views/juil/construction-pmis.blade.php b/resources/views/juil/construction-pmis.blade.php
index 04b5088c..91ab51e2 100644
--- a/resources/views/juil/construction-pmis.blade.php
+++ b/resources/views/juil/construction-pmis.blade.php
@@ -20,7 +20,9 @@
    ════════════════════════════════════════════════ */
 
 const PMIS_MENUS = [
-    { icon: 'ri-building-2-line', label: 'BIM 관리', id: 'bim' },
+    { icon: 'ri-building-2-line', label: 'BIM 관리', id: 'bim', children: [
+        { label: 'BIM 뷰어', url: '/juil/construction-pmis/bim-viewer' },
+    ]},
     { icon: 'ri-line-chart-line', label: '시공관리', id: 'construction' },
     { icon: 'ri-file-list-3-line', label: '품질관리', id: 'quality' },
     { icon: 'ri-shield-check-line', label: '안전관리', id: 'safety' },
@@ -29,6 +31,7 @@
 
 function PmisSidebar({ onOpenProfile }) {
     const [profile, setProfile] = useState(null);
+    const [expandedMenu, setExpandedMenu] = useState(null);
 
     useEffect(() => {
         fetch('/juil/construction-pmis/profile', { headers: { 'Accept': 'application/json' } })
@@ -73,16 +76,28 @@ className="absolute top-3 right-3 p-1 rounded-lg text-gray-400 hover:text-gray-6
             {/* 네비게이션 메뉴 */}
             <div className="p-2 flex-1">
                 {PMIS_MENUS.map(menu => (
-                    <button
-                        key={menu.id}
-                        className="w-full flex items-center justify-between px-3 py-2.5 rounded-lg text-left hover:bg-gray-50 transition text-sm text-gray-700 group"
-                    >
-                        <div className="flex items-center gap-2.5">
-                            <i className={`${menu.icon} text-base text-gray-400 group-hover:text-blue-500`}></i>
-                            <span className="font-medium">{menu.label}</span>
-                        </div>
-                        <i className="ri-arrow-right-s-line text-gray-300"></i>
-                    </button>
+                    <div key={menu.id}>
+                        <button
+                            onClick={() => setExpandedMenu(expandedMenu === menu.id ? null : menu.id)}
+                            className={`w-full flex items-center justify-between px-3 py-2.5 rounded-lg text-left transition text-sm group ${expandedMenu === menu.id ? 'bg-blue-50 text-blue-700' : 'text-gray-700 hover:bg-gray-50'}`}
+                        >
+                            <div className="flex items-center gap-2.5">
+                                <i className={`${menu.icon} text-base ${expandedMenu === menu.id ? 'text-blue-500' : 'text-gray-400 group-hover:text-blue-500'}`}></i>
+                                <span className="font-medium">{menu.label}</span>
+                            </div>
+                            <i className={`${expandedMenu === menu.id ? 'ri-arrow-down-s-line' : 'ri-arrow-right-s-line'} text-gray-300`}></i>
+                        </button>
+                        {expandedMenu === menu.id && menu.children && (
+                            <div className="ml-4 mt-0.5 mb-1">
+                                {menu.children.map(child => (
+                                    <a key={child.url} href={child.url}
+                                        className="block px-3 py-2 text-sm text-gray-600 hover:text-blue-700 hover:bg-blue-50 rounded-lg transition">
+                                        {child.label}
+                                    </a>
+                                ))}
+                            </div>
+                        )}
+                    </div>
                 ))}
             </div>
         </div>
diff --git a/routes/web.php b/routes/web.php
index ff8a2947..d73a1035 100644
--- a/routes/web.php
+++ b/routes/web.php
@@ -1728,6 +1728,7 @@
     Route::get('/construction-pmis/weather', [PlanningController::class, 'pmisWeather'])->name('construction-pmis.weather');
     Route::get('/construction-pmis/profile', [PlanningController::class, 'pmisProfile'])->name('construction-pmis.profile');
     Route::put('/construction-pmis/profile', [PlanningController::class, 'pmisProfileUpdate'])->name('construction-pmis.profile.update');
+    Route::get('/construction-pmis/bim-viewer', [PlanningController::class, 'bimViewer'])->name('construction-pmis.bim-viewer');
 
     // 공사현장 사진대지
     Route::prefix('construction-photos')->name('construction-photos.')->group(function () {