The number of parking bays in the parking lot.

Question

Data collected at a parking lot indicate that a total of 300 cars park between 8 a.m. and 5 p.m. 5% of these cars are parked for an average of 2 hr, 20% for an average of 3 hr, 10% for an average of 4 hr, and the remaining cars are parked for an average of 9 hr. (a) Determine the space-hours of demand at the lot. (b) If 10% of the parking bays are vacant on average (between 8 a.m. and 5 p.m.) at the parking lot, determine the number of parking bays in the parking lot. Assume an efficiency factor of 0.90. (c) The owner of the parking lot is planning an expansion of her lot to provide adequate demand for the following 10 years. If she has estimated that parking demand for all categories will increase by 3% a year, determine the number of additional parking bays that will be required.

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Question

Chapter 4, Problem 22P

To determine

The number of parking bays in the parking lot.

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Data collected at a parking lot indicate that a total of 300 cars park between 8 a.m. and 5 p.m. 5% of these cars are parked for an average of 2 hr, 20% for an average of 3 hr, 10% for an average of 4 hr, and the remaining cars are parked for an average of 9 hr. (a) Determine the space-hours of demand at the lot. (b) If 10% of the parking bays are vacant on average (between 8 a.m. and 5 p.m.) at the parking lot, determine the number of parking bays in the parking lot. Assume an efficiency factor of 0.90. (c) The owner of the parking lot is planning an expansion of her lot to provide adequate demand for the following 10 years. If she has estimated that parking demand for all categories will increase by 3% a year, determine the number of additional parking bays that will be required.

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1. A total of 5,000 person-trips are made between a commercial district and a residential area during the PM peak hour. Commuters have two modes available, including private automobile and a light- rail transit system. The following utility function was calibrated using data from the study area from users of these two modes: U 3D -0. 50T1 — 0. 50T, — 2. 00С Data summarizing the operational characteristics and costs associated with each mode are provided in the following table. Private Light-Rail Parameter Automobile Transit = in-vehicle travel time (min.) 10 T1 T2 = excess time (min.) C = out-of-pocket cost (dollars) 15 5 10 5.00 2.00 Determine how many trips will be made by each travel mode based on these characteristics.