our number 1
core value


Think about it.

Generally, workplace injuries and illnesses arise from unsafe work practices, hazardous industrial conditions, or exposures to harmful chemicals that were improperly stored. To prevent injuries, you must have sufficient information about what contributes to their occurrence and ways to fix the problem. Even though accidents are not always predictable and preventable, being aware of workplace safety will allow you to minimize the injuries and illnesses that occur in your workplace.


Be Careful


Be Smart

Be Happy

OUR GOAL: Everyone goes home safe every day


ACI mechanical Inc.


Safety is not just a word; it is our priority. At ACI, our people are our strength, so we maintain continuous training programs for our employees at all levels. We use risk management platforms to ensure our employees comply with our customers' safety requirements.


some of our recent safety awards

Fall Protection

Employers must set up the workplace to prevent employees from falling off of overhead platforms, elevated workstations, or holes in the floor and walls. 

OSHA requires that fall protection be provided at elevations of four feet in general industry workplaces, five feet in shipyards, six feet in the construction industry and eight feet in longshoring operations. In addition, OSHA requires that fall protection be provided when working over dangerous equipment and machinery, regardless of the fall distance.

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Think 5x5

ACI Mechanical Inc, as part of Comfort Systems USA, has an exceptional pre-task/pre-job technique, “Think 5 x 5,” taught to all employees to ensure that they think and work safely at the point at which the work is taking place. Our “Think 5 x 5” safety initiative increases employee awareness and enhances the company culture to “Take 5 seconds and 5 steps back” to think about their surroundings and work area to ensure a safe work environment.

We benchmark and track safety in many areas, including workplace safety, automobile accidents, and general liability, to assure that we’re taking a proactive approach to address any arising concerns. Managers at all levels of our organization have a profound effect on the safety culture and continually motivate for positive change to avoid complacency. Staying committed and involved keeps our workplace and worksites actively working to achieve a harm-free environment.

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Ladders in Construction

All ladders must be inspected before use.  Please reference our “Ladder Inspection Checklist” for items to check when inspecting a ladder.

If the ladder is found to be damaged, please take it out of service and place a tag on it saying “Out of Service” and the date.  After that, please notify the tool department and remove it from the job site.

Make your ladder has the correct height, weight rating, and configuration for the work to be performed.  

Always have 3 points of contact with the ladder when climbing up or down.

Keep your belt buckle (or belly button) between the ladder’s side rails.

Never stand on the top of the ladder nor the 1st step from the top as balance can be lost from these positions.

All A-frame ladders must be fully opened on a level surface.

Extension ladders are to be set at a 4:1 angle, extend a minimum of 36 inches above the roof line, be tied off to the structure near the top, and be secured from movement at the bottom.

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Trenches and Excavations need to be led by a competent person.

The competent person must not only have knowledge of the project and its requirements, but must have knowledge of the safety standards, be able to identify the hazards, and have the authority to correct them.

The competent person has several things to check including, but not limited to: determining the soil type, knowing whether to slope or bench the ground, knowing whether or not shoring or shielding will be required, knowing where to put the spoils, locating any encumbrances, having a means of egress every 25-ft, checking to ensure everyone involved has had training, providing barriers and/or traffic control, and knowing if an engineer needs to provide an approved system.

Before you dig, get a Pre-Excavation Safety Checklist.  This form informs or reminds you of many of the things you need to check before digging including calling 811 to make sure the utilities are located and marked.

Once the Pre-Excavation Safety Checklist is filled out, a copy of it needs to be sent to the Safety Coordinator.  After the form has been reviewed and approved, you will need to fill out a Trenching and Excavation Daily Inspection each day the trench or excavation is open.   These also need to be sent to the Safety Coordinator each day.

In any event where the safety of those working in the trench or excavation is compromised, get everyone out until it can be made safe for re-entry.

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Mechanical Engineering & Construction
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