Attentive Safety offers Construction Worker Group First Aid CPR AED Training for five or more people at your location in Marietta, Georgia. This training is essential for those who need to recognize and manage emergencies and work directly in Construction. The classroom course can be completed in approximately 2 ¼ hours (including optional lessons and breaks). We have a 1 student to 1 manikin ratio. This enables a hands-on, knowledge-based process that also makes for shorter class times.