material-delivery-tracker

# Material Delivery Tracker ## Business Case ### Problem Statement Material logistics cause project delays: - Missed deliveries impact schedule - Storage space constraints - No visibility into delivery status - Difficult coordination with vendors ### Solution Centralized material delivery tracking system that manages schedules, monitors status, and coordinates site logistics. ### Business Value - **Schedule protection** - Timely material availability - **Cost savings** - Reduce expediting fees - **Site efficiency** - Optimized storage planning - **Vendor coordination** - Better communication ## Technical Implementation ```python import pandas as pd from datetime import datetime, date, timedelta from typing import Dict, Any, List, Optional from dataclasses import dataclass, field from enum import Enum class DeliveryStatus(Enum): """Delivery status.""" SCHEDULED = "scheduled" IN_TRANSIT = "in_transit" DELIVERED = "delivered" PARTIAL = "partial" DELAYED = "delayed" CANCELLED = "cancelled" class DeliveryPriority(Enum): """Delivery priority.""" CRITICAL = "critical" HIGH = "high" NORMAL = "normal" LOW = "low" class MaterialCategory(Enum): """Material categories.""" STRUCTURAL = "structural" CONCRETE = "concrete" MEP = "mep" FINISHES = "finishes" EQUIPMENT = "equipment" OTHER = "other" @dataclass class MaterialItem: """Material item in delivery.""" item_id: str description: str ...