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Site safety involves awareness of potential hazards. In order for all of us to be aware of this, we need to beware of issues such as moving or oversized objects, buried wires or pipes, and open ditches. In addition to compliance issues, proper marking and marking can ensure the safety of our work site by highlighting potential hazards with flags, tape, paint and signs.
Standard best practices are investigation, selection, and marking. Investigate areas that require safety attention, select the best protection measures for that specific location, and mark them correctly and safely.
Although there are various agencies and organizations that standardize safety and signs, OSHA regulates safety signs and labels in the workplace. OSHA has codified the specifications for accident prevention signs and labels and colors into 29 Code of Federal Regulations (CFR) 1910.145 and 29 CFR 1910.144. Three basic requirements for signs:
Using the correct signs is a way to show that workers need to exercise caution, but signs alone cannot remind workers of all potential site hazards. Implementing correctly coded signs, tape, and paint is essential.
The most basic way to mark your building or construction site is to use roadblocks or warning tape (most often marked as "warning/warning"). Warning tapes are available in a variety of widths, colors, and lengths, and must be durable and visible. The basic barrier tape is 2 million, which is easy to stretch. If your tape will last a long time, or you are marking high-traffic areas, consider using a thicker tape (4 mil or 7 mil) with greater endurance. The strongest reinforcing tape can reach 7 million, and it won't stretch too much at all. If you don't want to eventually re-attach your protected area, you may need to use thicker tape.
We all understand the importance of avoiding utilities when digging, so it is necessary to use underground detectable and undetectable marking tape above the utility lines to mark their location.
These tapes are usually specified by the engineer in our plan. Phosphor-free metal detectors can be used to locate the detectable tape before excavation, which is an effective way to protect public facilities.
The non-detectable tape is also buried directly above the utility (usually 12 inches deep), intended to warn workers during subsequent excavations. These tapes are durable, visible and color coded for specific utilities. Buried appropriate tape above the utility pipeline to increase the safety layer.
Marking tape is used to mark areas or alert workers to potential hazards. This non-adhesive tape is usually tied or nailed to a stake. It is used in many different industries, including construction, to mark utility lines or electrical operations, and to reduce the risk of injury by highlighting potential hazards.
The marking tape comes in various colors, and each color accurately identifies what is blocked or buried underneath. According to the American Public Works Association (APWA) uniform color code, the color indicates the following:
It is important that everyone in our staff understands these universal color codes, so we will mark our work correctly and understand the areas marked by other contractors on site. If things are marked incorrectly, many things will go wrong. When you plan to delineate the power cord (red), using white digging tape may cause an electric shock hazard. Mixing blue drinking water tape with purple reclaimed water tape can become ugly, etc.
Marker flags are durable, weatherproof, and highly visible plastic flags, so everyone from crew members to field inspectors to heavy equipment operators can see them at work. They come in various sizes and colors, including APWA colors and sometimes letters to mark various buried facilities.
The use of ground markings on construction sites creates a visible line of defense for workers. Place them on the ground when delineating road markings to indicate the location of underground utilities or highlight ditches. They can be planted with flags inserted into tools-unless they are repeatedly crushed or otherwise damaged, they are reusable.
Marking flags are also often attached to oversized loads to issue visual warnings to the crew or the public.
Pennant Flags can also be used on the job site, and it is an effective way to draw lines or block the work area on the road. When workers work on the elevator, the pennant can mark the perimeter of the construction site or line up on the sidewalk to form an obstacle.
Roll Flagging (also known as Texas Flagging or Surveyor's Flagging) is basically an unmarked, color-coded roadblock tape. For construction purposes, it can be used for surveying or temporarily marking areas on site that do not necessarily need to be marked with warning tape.
The combination of the safety border and the sign belt is called the "safe skirt". These skirts are made of nylon braided straps, which are more durable than plastic straps. The safety skirt is very eye-catching and can be stored longer in extreme weather. The vertical marking tape can then be attached to the horizontal safety skirt to improve visibility. The safety skirt forms a clear boundary around the construction equipment or construction site.
As an alternative to signs and other traditional marking methods, the new option for marking underground utilities, survey boundaries, or construction site grades is "beards." These plastic markers look like color-coded spaghetti lines. They can be fixed on nails or hammered on stakes and erected from the ground. One of the advantages of beards is that they are almost indestructible and can withstand heavy equipment or heavy crews. They also offer all APWA approved colors.
Using marking paint on a construction site is a quick and effective way to visualize the perimeter, mark utilities, excavation areas, ground surveys, surveys, and general construction markings.
You will need to use upside-down marking paint, which makes spraying paint lines far easier than regular aerosols. This paint dries quickly, is temporary (although it can last up to 60 days), and can be used on concrete, sidewalks, gravel, dirt or grass.
The last 10 years of Randy's 35-year communications career focused on the construction industry. The White Cap Resource Center is the product of his passion for developing relevant and informative content that provides professional contractors with a competitive advantage.
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