Municipal & Industrial Use Cases

// Seoul RFID System Integration class SeoulWasteSystem { async processCollection( vehicleId: string, route: CollectionRoute ): Promise { const collections: Collection[] = []; for (const stop of route.stops) { // Read RFID tag const rfidData = await this.rfidReader.scan(stop.containerId); // Verify household registration const household = await this.verifyHousehold(rfidData.householdId); if (!household.valid) { await this.logViolation({ type: 'UNREGISTERED_CONTAINER', location: stop.location, timestamp: new Date() }); continue; } // Collect and weigh const weight = await this.loadCell.measure(); // Calculate charge based on volume pricing const charge = this.calculateCharge({ weight, wasteType: stop.wasteType, household: household, pricingTier: this.getPricingTier(household.size) }); // Record to blockchain const txHash = await this.blockchain.recordCollection({ householdId: household.id, containerId: stop.containerId, timestamp: new Date().toISOString(), weight, charge, vehicleId, driver: route.driver, location: stop.location }); // Send receipt to citizen app await this.mobileApp.sendReceipt({ householdId: household.id, amount: charge, timestamp: new Date(), blockchainTx: txHash, nextCollectionEstimate: this.predictNextCollection(household.id) }); collections.push({ stop, weight, charge, blockchainTx: txHash }); } return { route: route.id, collections, totalWeight: collections.reduce((sum, c) => sum + c.weight, 0), totalRevenue: collections.reduce((sum, c) => sum + c.charge, 0), efficiency: this.calculateEfficiency(route, collections) }; } private calculateCharge(params: { weight: number; wasteType: string; household: Household; pricingTier: PricingTier; }): number { // Volume-based pricing structure const basePrices = { general: 0.25, // $/kg recyclable: 0.00, // Free organic: 0.10, // Subsidized bulky: 0.50 // Premium }; const baseCharge = params.weight * basePrices[params.wasteType]; // Apply tier discounts for low-waste households const tierDiscount = params.pricingTier.discount; // 0-30% // Apply contamination penalty const contaminationPenalty = this.getContaminationScore(params.household.id) * 0.02; return baseCharge * (1 - tierDiscount) * (1 + contaminationPenalty); } }

// ROI Calculation Framework class WasteSystemROI { calculateROI(params: ROIParameters): ROIAnalysis { // Capital Expenditure const capex = this.calculateCapex(params); // Annual Operating Costs const opex = this.calculateAnnualOpex(params); // Annual Benefits const benefits = this.calculateAnnualBenefits(params); // Net Present Value over project lifespan const npv = this.calculateNPV(capex, opex, benefits, params.discountRate, params.lifespan); // Internal Rate of Return const irr = this.calculateIRR(capex, opex, benefits, params.lifespan); // Payback Period const payback = this.calculatePayback(capex, benefits, opex); // Environmental Impact Valuation const environmental = this.monetizeEnvironmentalBenefits(params); return { capex, annualOpex: opex, annualBenefits: benefits, netAnnualBenefit: benefits.total - opex.total, npv, irr, paybackPeriod: payback, environmental, recommendation: this.generateRecommendation(npv, irr, payback) }; } private calculateCapex(params: ROIParameters): Capex { return { smartBins: params.binCount * params.costPerBin, sensors: params.binCount * params.costPerSensor, vehicles: params.vehicleCount * params.costPerVehicle, software: params.softwareLicenseCost, installation: (params.binCount * params.costPerBin) * 0.15, training: params.staffCount * 500, contingency: 0.10, // 10% buffer total: 0 // Calculated sum }; } private calculateAnnualBenefits(params: ROIParameters): Benefits { // Direct cost savings const laborSavings = params.currentLaborCost * params.laborReduction; const fuelSavings = params.currentFuelCost * params.routeEfficiencyGain; const disposalSavings = params.currentDisposalCost * params.diversionIncrease; // Revenue generation const materialRevenue = params.annualTonnage * params.diversionIncrease * params.materialValue; const carbonCredits = (params.annualTonnage * params.diversionIncrease * 0.5) * params.carbonPrice; // Avoided costs const avoidedFines = params.historicalFines * 0.80; // 80% reduction in violations const avoidedDowntime = params.overflowIncidents * params.costPerIncident * 0.70; return { laborSavings, fuelSavings, disposalSavings, materialRevenue, carbonCredits, avoidedFines, avoidedDowntime, total: laborSavings + fuelSavings + disposalSavings + materialRevenue + carbonCredits + avoidedFines + avoidedDowntime }; } private calculateNPV( capex: Capex, opex: Opex, benefits: Benefits, discountRate: number, lifespan: number ): number { let npv = -capex.total; for (let year = 1; year <= lifespan; year++) { const annualCashFlow = benefits.total - opex.total; const discountedCashFlow = annualCashFlow / Math.pow(1 + discountRate, year); npv += discountedCashFlow; } return npv; } private monetizeEnvironmentalBenefits(params: ROIParameters): EnvironmentalValue { const carbonReduction = params.annualTonnage * params.diversionIncrease * 0.5; // tonnes CO2e const waterSaved = params.annualTonnage * params.diversionIncrease * 15; // m³ const energySaved = params.annualTonnage * params.diversionIncrease * 3; // MWh return { carbonReduction: { tonnes: carbonReduction, value: carbonReduction * params.carbonPrice }, waterSavings: { cubicMeters: waterSaved, value: waterSaved * 2 // $2/m³ }, energySavings: { mwh: energySaved, value: energySaved * 80 // $80/MWh }, totalMonetizedValue: (carbonReduction * params.carbonPrice) + (waterSaved * 2) + (energySaved * 80) }; } }