What sheet identifies the electrical requirements for pumps, air handlers, and heaters in the manufacturing plant?

The correct answer emphasizes the HVAC equipment schedules, which serve as vital documentation that outlines the specifications and electrical requirements for various equipment, including pumps, air handlers, and heaters, used in a manufacturing plant. These schedules provide detailed information such as the voltage, current ratings, and power requirements that are essential for proper installation and operation.

By providing these specifics, HVAC equipment schedules ensure that the electrical systems are designed to accommodate the requirements of the equipment, facilitating efficient and safe operation within the plant. This documentation plays a crucial role during the installation process, helping to ensure that all electrical needs are met adequately.

In contrast, the other options do not specifically focus on the electrical requirements for HVAC systems. Electrical load calculations deal with overall power usage and demand but do not detail individual equipment specifications. Power distribution plans illustrate how electrical power is distributed throughout the facility, without providing specifics on equipment needs. Lighting layouts focus on the arrangement and electrical needs related to lighting fixtures, which are separate from HVAC equipment requirements. Therefore, HVAC equipment schedules are the most appropriate choice for identifying the electrical requirements of pumps, air handlers, and heaters.