编码规范、框架、重构、代码审查（1.7万 个）
Semantic search in the DDC CWICR construction cost database using vector embeddings (BGE-M3, 1024-dim, per-language Qdrant collections). Find similar work items and resources for cost estimation across 8 national bases and 30 markets in 26 languages.
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Perform value engineering analysis using CWICR data. Identify cost-saving alternatives while maintaining function and quality.
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Compare cost estimates across projects, versions, and scenarios. Identify variances, benchmark against standards, and generate comparison reports.
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Convert between construction measurement units. Handle metric/imperial conversion, area/volume calculations, and unit normalization for CWICR data.
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Optimize crew composition using CWICR labor norms. Balance productivity, cost, and skill requirements for construction crews.
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Track and analyze historical cost data using CWICR. Compare actual vs estimated costs, build project cost database, and improve future estimates.
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Schedule labor crews based on CWICR norms and project timeline. Calculate crew sizes, shifts, and labor loading curves.
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Apply geographic location factors to CWICR estimates. Adjust costs for regional labor rates, material prices, and market conditions.
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Automated cost estimation from BIM models using DDC CWICR database (8 national bases, 78,228 positions). AI classification + vector search for accurate pricing.
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Process construction change orders using CWICR data. Calculate cost impact, compare to original estimate, and generate change order documentation.
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Assist with quantity takeoff using CWICR data. Calculate quantities from dimensions, apply waste factors, and suggest related work items.
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Analyze construction resources (labor, materials, equipment) from DDC CWICR database. Calculate resource requirements, productivity metrics, and optimization recommendations.
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Find substitute materials using CWICR data. Identify equivalent alternatives based on function, cost, and availability.
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Analyze contractor bids against CWICR benchmarks. Identify pricing anomalies, compare bid components, and support bid evaluation decisions.
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Build cost assemblies from CWICR work items. Combine multiple items into reusable templates for common construction elements.
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Apply price escalation to CWICR estimates over time. Calculate inflation adjustments, material price indices, and labor rate increases.
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Generate material procurement lists from CWICR data. Calculate quantities with waste factors, group by supplier categories, and create purchase orders.
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Integrate CWICR cost data with project schedules. Link work items to schedule activities, generate cost-loaded schedules, and cash flow projections.
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Generate professional cost estimation reports from CWICR calculations. HTML, PDF, Excel outputs with charts and breakdowns.
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Update CWICR resource rates with current market prices. Integrate external price data, apply inflation adjustments, and maintain rate history.
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Work with CWICR database across 26 languages. Cross-language matching, translation, and regional pricing.
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Plan equipment requirements using CWICR norms. Calculate equipment hours, scheduling, utilization rates, and rental vs purchase analysis.
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Apply overhead, profit, and markup to CWICR estimates. Calculate indirect costs, general conditions, and contractor margins.
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Match BIM quantities to CWICR work items. Map element categories to cost codes, validate quantities, and generate cost-linked QTOs.
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