Let's analyze the provided information to determine which trade is likely responsible for the motor rate toggle switch, considering Note #4.

Understanding the Context Mechanical Drawing and VAV Schedule

This indicates the system being discussed is part of the HVAC (Heating, Ventilation, and Air Conditioning) system. VAV (Variable Air Volume) boxes control the airflow to different zones in a building based on temperature requirements.

Motor Rate Toggle Switch

This switch likely controls the speed (and thus airflow volume) of the VAV box's motor.

Considering Possible Trades1. HVAC (Mechanical) Contractor

They are responsible for installing and commissioning the VAV boxes, including the motor and its control system. It's possible they would install the switch as part of the complete VAV box setup.2.

Electrical Contractor

They are responsible for all electrical wiring, connections, and power supply. If the switch is hardwired into the building's electrical system, the electrical contractor would likely be involved.

Analyzing Note #4 is CRITICAL

Without the actual text of Note #4, it's impossible to give a definitive answer. Note #4 will likely spell out who is responsible for the switch.Possible Scenarios Based on Potential Note #4 Content



If Note #4 states something like

"Provide and install motor rate toggle switch as part of the VAV box control system," or "Switch to be connected to the VAV box controller," then the

HVAC (Mechanical) Contractor is likely responsible. If Note #4 states something like

"Provide and install dedicated power circuit and switch for VAV box motor speed control," or "Electrical contractor to wire and connect the motor rate toggle switch," then the

Electrical Contractor is likely responsible. If Note #4 is vague or silent

This would require clarification from the engineer or project manager. However, given the nature of the switch being directly related to the VAV box's operation, the

HVAC contractor would likely be responsible unless otherwise specified.

In conclusion



The trade responsible for the switch is heavily* dependent on the wording of Note #4. Read Note #4 carefully. It should provide the specific direction. If Note #4 does not specifically provide the direction, the HVAC contractor is the likely one. Flag for review