2: Additional Webvan operational data and analysis assumptions (Data based on San Francisco Bay Area DC in Oakland, California and Mendelson 2001) DC size: 336,000 sq. ft. Annual DC rent per sq. ft: $4.00 /sq. ft. Annual DC equipment depreciation: $7 million Stations ("spokes") per DC ("hub"): 12 Station size: 9,000 sq. ft. per station Annual station rent per sq. ft: $5.00 /sq. ft. Annual station equipment depreciation: $30,000 per station Annual maintenance (DC 12 stations): $900,000 Annual utilities (DC 12 stations): $200,000 Annual cost for salaried employees12: $3.6 million Picker hourly wage (includes taxes and benefits): $17.50 Driver hourly wage (includes taxes and benefits): $22.00 Perishable items/order: 15 Grocery items/order: 23 Perishable item picks/min: 1.2 Grocery item picks/min: 4.0 Gross delivery hours/day: 16 Delivery days/week: 7 Annual cost/van (excl. drivers): $35,650 per van Annual trucking costs (incl. drivers): $105,000 per truck Number of trucks: 16 (current estimate), 25 (at full capacity) Deliveries/hour: 2 (current), 4 (target) Credit card charges: 1.5% of sales