150 lines
6.0 KiB
HTML
150 lines
6.0 KiB
HTML
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<title>Elder Bench Protocol • Amy Coates</title>
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</head>
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<body>
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<h1>Elder Bench Protocol</h1>
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<p>A covenant of measurement: preserving the seats where our elders sit, against the rising tide of the Comal.</p>
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<div class="covenant">
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"We do not build walls to hold back the water. We raise the bench to meet the memory."
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</div>
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<h2>I. The Physical Specimen</h2>
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<p>The original Sophienburg bench, forged in 1935, stands at elevation 612.4 ft AMSL. Its seat height, worn smooth by seventy generations, is 18 inches from the deck plate.</p>
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<img src="https://images.pexels.com/photos/3746650/pexels-photo-3746650.jpeg?auto=compress&cs=tinysrgb&dpr=2&h=650&w=940" alt="Weathered wooden park bench overlooking a river">
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<div class="spec-sheet">
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<h3>Bench Dimensions (Original)</h3>
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<div class="spec-row"><span class="spec-label">Seat Height</span><span class="spec-value">18.0 in (457 mm)</span></div>
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<div class="spec-row"><span class="spec-label">Deck Plate Elev</span><span class="spec-value">612.4 ft AMSL</span></div>
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<div class="spec-row"><span class="spec-label">Material</span><span class="spec-value">Cypress (Taxodium distichum)</span></div>
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<div class="spec-row"><span class="spec-label">Load Capacity</span><span class="spec-value">450 lb (distributed)</span></div>
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<div class="spec-row"><span class="spec-label">Flood Line (1935)</span><span class="spec-value">+7.8 ft from deck</span></div>
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</div>
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<h2>II. The Hydrologic Constant</h2>
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<p>From our <a href="comal-flood-predictor.html">Floodline Predictor</a>, we derive the critical alpha coefficient: α = 0.047 ft/inch. For every inch of rainfall upstream, the Comal rises 0.047 feet at the Sophienburg bend.</p>
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<div class="spec-sheet">
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<h3>Prediction Constants</h3>
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<div class="spec-row"><span class="spec-label">Alpha Coefficient</span><span class="spec-value">0.047 ft/inch</span></div>
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<div class="spec-row"><span class="spec-label">Critical Threshold</span><span class="spec-value">617.1 ft AMSL (seat overflow)</span></div>
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<div class="spec-row"><span class="spec-label">Rainfall Margin</span><span class="spec-value">100.0 inches (safe zone)</span></div>
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</div>
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<h2>III. The Preservation Algorithm</h2>
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<p>To maintain the sanctity of the bench, we apply the following protocol:</p>
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<ol style="font-family: 'Courier New';">
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<li><strong>Measure</strong>: Current deck elevation via USGS gauge station 08184500.</li>
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<li><strong>Calculate</strong>: ΔH = (Current Rainfall × 0.047) − Safe Margin (2.0 ft).</li>
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<li><strong>Act</strong>: If ΔH > 0, initiate Bench Lift Sequence (hydraulic jacks at 4 corners).</li>
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<li><strong>Verify</strong>: Seat height remains 18 inches from new datum.</li>
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</ol>
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<div class="covenant">
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"The bench moves, but the story stays still."
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</div>
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<footer>
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<p>Grounded in USGS Gauge 08184500 | June 2007 Texas Flooding (Q6312080) | <a href="resilience-ledger.html">Heritage Resilience Ledger</a></p>
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<p><a href="index.html">Return to Home</a></p>
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