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Which is Not a Common Flammable Found on a Construction Site?

When working on a construction site, safety should always be a top priority. This includes being aware of potential hazards, such as flammable materials. In this review, we will discuss the importance of identifying common flammable substances found on construction sites and how understanding what is not flammable can contribute to a safer work environment.

I. Importance of Identifying Flammable Materials on Construction Sites:

  • Construction sites often contain various flammable materials, such as fuels, solvents, gases, and chemicals.
  • Recognizing these flammable substances is crucial for preventing fire accidents and minimizing risks.
  • Workers should be trained to handle and store flammable materials safely to prevent potential disasters.

II. What is Not a Common Flammable Found on a Construction Site?

  1. Water:

    • Water is not flammable and can be used effectively to extinguish fires.
    • It is readily available on construction sites, making it a valuable resource in case of emergencies.
    • It can be used to cool down surfaces and suppress small fires caused by non-flammable materials.
  2. Concrete:

    • Concrete is a primary construction material and is not considered flammable.
    • Its non-combustible nature
Carbon monoxide, hydrogen sulfide, welding fumes and solvent vapors are typical confined space chemical hazards.

Table of Contents

What does the type of respirator best suited for each job depend on?

The proper selection and use of a respirator depend upon an initial determination of the concentration of the hazard or hazards present in the workplace, or the presence of an oxygen deficient atmosphere.

What are the four categories of hazards OSHA has identified in laboratory settings?

Laboratory workers are exposed to numerous potential hazards including chemical, biological, physical and radioactive hazards, as well as, musculoskeletal stresses. Many workers are unaware of the potential hazards in their work environment, which makes them more vulnerable to injury.

What is the purpose of a pictogram on a chemical label quizlet?

Each pictogram consists of a symbol on a white background framed within a red border and represents a distinct hazard(s). The pictogram on the label is determined by the chemical hazard classification.

What are the most common hazards on a construction site?

The top ten risks and hazards from working on construction sites are:
  • Working at height.
  • Moving objects.
  • Slips, trips, and falls.
  • Noise.
  • Hand arm vibration syndrome.
  • Material and manual handling.
  • Collapsing trenches.
  • Asbestos.

How much is a typical OSHA violation?

Table 1: Maximum and Minimum Amounts for Civil Penalties

Type of ViolationPenalty Minimum
Serious$1,116 per violation
Other-Than-Serious$0 per violation
Willful or Repeated$11,162* per violation
Posting Requirements$0 per violation

What is the most common OSHA violation in construction?

Failure to provide adequate fall protection on

Failure to provide adequate fall protection on jobsites consistently ranks at the top of the list for construction safety violations.

Frequently Asked Questions

Does OSHA pay you for reporting violations?

If a case is solved in favor of the complainant, OSHA will do its best to reward that individual under their protection program. Whistleblowers are usually entitled to anywhere between 15-30% of proceeds from a suit.

What is the difference between maintenance and construction?

However, if a replacement is needed for the purpose of upgrading a system, it is not considered maintenance. Construction is the act, art, or business of moving, demolishing, installing, or building a structure, facility, or system according to a plan or by a definite process.

What does OSHA require an employer to do to maintain safety?

Provide a workplace free from serious recognized hazards and comply with standards, rules and regulations issued under the OSH Act. Examine workplace conditions to make sure they conform to applicable OSHA standards. Make sure employees have and use safe tools and equipment and properly maintain this equipment.

Can I cut the cable line to my house?

A: Cable and phone wires don't carry current, so it's safe to remove them. However, it's critical not to cut into a power line, as you know.

What happens if I cut my Internet cable?

Typically you cut off the damaged section and crimp a new connector on the good portion. You will need a special crimping tool and the appropriate RJ45 connectors. What happens when an Internet cable is damaged? You will probably lose the connection to something in the network.

What was wrong with Tacoma bridge?

Farquharson continued wind tunnel tests. He concluded that the "cumulative effected of undampened rhythmic forces" had produced "intense resonant oscillation." In other words, the bridge's lightness, combined with an accumulation of wind pressure on the 8-foot solid plate girder and deck, caused the bridge to fail.

Who is responsible for the cable outside of the house?

Any low voltage lines going from the power line to a person's house are the home owner's responsibility. The rest of the lines and the transformer on the utility poll are high voltage and Oncor's responsibility.

What is the role of a CA in construction industry?

A Contract Administrator (CA) is not responsible for design, but plays a vital role in overseeing design-related aspects in a construction project. Their job is to ensure the contractor's design submissions align with the contract terms and any changes are properly reviewed and approved according to the contract.

What is CA in construction?

Construction Administration

CA/ Construction Administration: If you're mailing a letter, it may stand for The Golden State, but in architecture, CA means Construction Administration or Contract Administration. CA refers to the architectural phase and architect's duties during the construction of your project.

What is the CA phase of construction?

This is the execution phase where all the planning will pay off. As the hub of communications for the project, your construction manager and contractor will transition the project into actual construction. The professional team's role during this phase is called Construction Administration (CA).

What is CA in construction project management?

Construction Administration (CA) is generally part of an architect's contractual obligation. After a project has moved from the design phases to construction, the architect is still actively involved in project delivery.

What is the main role of CA?

A chartered accountant is an internationally recognised financial professional who manages budgets, auditing, taxes and business strategies for clients. As a CA, you can work for businesses, the government and individuals. Your job is to provide expert financial advice and help clients manage their funds.

What are the characteristics of curtain wall?

What is a curtain wall? Unlike other building materials, a curtain wall system is thin and lightweight, usually aluminum and glass. These walls are not structural, and by design, they are only able to carry their own weight, while transferring the load of wind and gravity to the structure of the building.

Which of the following is used most frequently as the framing material in glass curtain wall systems?

Curtain walls are typically composed of aluminum or steel frames that contain infills of glass, thin stone or metal panels. The frames are connected to support and anchor the assembly back to the building structure.

What is curtain walling in construction?

Curtain walling is a non-structural fabricated aluminium cladding system, found on the external walls of large multi-storey buildings. It is a lightweight material that is easy to install, and can be glazed, opaque, or include infill panels,and these aluminium systems are easy to transport and simple to manufacture.

What is a curtain wall quizlet?

A curtain wall is any non-loading bearing exterior wall that hangs from the face of the floor slabs, regardless of construction or cladding material. What is a curtain wall in common usage? Usually refers to aluminum framed systems carrying glass, panels, louvers or occasionally, granite or marble.

What are the components of a glass curtain wall?

Glass curtain walls consist of two basic components: the glass and the frame. How these two building structure elements are manipulated, including the proportion, properties, and anchorage of each, constitutes the essential distinction among individual curtain wall systems.

What's the primary feature of body on frame construction?

Body on frame is when the body of the car is mounted on a chassis that carries the powertrain. Unibody construction is when the frame and the body of the car are manufactured as one piece. While unibody is the most common body construction that we see today, body on frame used to be the go-to construction choice.

What frame design combines the body with the structure of the frame quizlet?

A unibody construction is a design that combines the body with the structure of the frame.

Which type of frame do most trucks and larger RWD vehicles use?

Body-on-frame remains the preferred construction method for heavy-duty commercial vehicles (especially those intended to carry or pull heavy loads, such as trucks and some sport utility vehicles (SUVs)) but as production volumes rise increasing numbers of SUVs and crossover SUVs are switching to unibody frames.

Which of the following provides structural support of the vehicles suspension system?

A strut assembly provides structural support for the vehicle suspension, supports the spring, holds the wheel and tire in the aligned position, and ensures the tire maintains contact with the road. Struts also bear much of the side load placed on a vehicle's suspension.

What is included in frame in construction?

Wall framing in house construction includes the vertical and horizontal members of exterior walls and interior partitions. These members, referred to as studs, wall plates and lintels, serve as a nailing base for all covering material and support the upper floors, ceiling and roof.

What is the OSHA policy on cell phones?

The operator must not engage in any practice or activity that diverts his/her attention while actually engaged in operating the equipment, such as the use of cellular phones (other than when used for signal communications). Leaving the equipment unattended.

Can construction interfere with cell phone signal?

How building materials block signals. Almost any large object built by humans can interfere with cell phone connectivity. Since humans spend a good deal of time inside, we depend on strong reception indoors. Yet, radio frequency (RF) signals cannot filter through materials like metal or concrete.

Why do you have to turn off your phone in a blasting zone?

In a blasting zone, radios and cell phones can interfere with the workers' airwaves and compromise the blasting activity.

Are cell phones intrinsically safe?

Intrinsically Safe / Explosion-Proof Cell Phones

But conventional cell phones are unsafe to use in hazardous area environments—that is, any place where flammable gas, dust, vapors, or other combustibles are present in the air.

Are cell phones considered hazardous materials?

Common items like phones, nail polish, perfume, and hair spray are considered hazardous materials and require special shipping procedures.

What is the OSHA standard for construction lighting?

Minimum of 5 foot-candles: The standard lighting for general construction areas, warehouses, corridors, hallways, and exit ways. Minimum of 10 foot-candles: General construction plants and shops including indoor bathrooms and mess rooms. Minimum of 30 foot-candles: First aid stations, infirmaries and offices.

What are the OSHA rules for warning signs?

Danger: Danger signs must be black, red and white. Caution: Caution signs must have a black panel with yellow letters. The background must be yellow, and any letters on the background must be black. Safety instruction: Safety instruction signs must have a white background with black letters.

What are the OSHA requirements for warning labels?

All labels are required to have pictograms, a signal word, hazard and precautionary statements, the product identifier, and supplier identification. A sample revised HCS label, identifying the required label elements, is shown on the right. Supplemental information can also be provided on the label as needed.

What is the OSHA standard for emergency lights?

Emergency lighting facilities shall provide initial illumination that is not less than an average of 10.8 lux (1 ft. -candle) and, at any point , not less than 1.1 lux (0.1 ft. -candle), measured along the path of egress at floor level.

What are the guidelines for lighting safety?

Protect Yourself from Lightning Strikes
  • Immediately get off elevated areas such as hills, mountain ridges, or peaks.
  • Never lie flat on the ground.
  • Never shelter under an isolated tree.
  • Never use a cliff or rocky overhang for shelter.
  • Immediately get out of and away from ponds, lakes, and other bodies of water.

What are the 7 elements of a responsible contractor?

Determine if the apparent successful offeror lacks certain elements of responsibility. FAR 19.602-1 Referral. Elements of responsibility include, but are not limited to, capability, competency, capacity, credit, integrity, perseverance, tenacity, and limitations on subcontracting.

What are the project delivery systems in construction?

Six of the most common project delivery methods in construction are Design-Bid-Build (D-B-B), Design-Build (D-B), Construction Manager at Risk (CMAR), Construction Management Multi-Prime (CMMP), Public-Private Partnership (PPP or P3), and Integrated Project Delivery (IPD).

What is one major benefit of craft training?

The team concludes that each dollar invested in craft training can yield $1.30 to $3.00 in benefits. The benefits accrue in the form of increased productivity and reductions in turnover, absenteeism, rework, and other areas.

How can an owner benefit from alternative project delivery methods?

Advantages: Ability to innovate, single source of responsibility, less owner resources required, better project coordination, improved risk management, reduced project delivery time, cost savings.

What are the 5 elements of a construction contract?

Here are five of the most important terms that should be a part of every construction contract.
  • Scope of Work. Clients need to be clear about what a company is going to do for them.
  • Payment Obligations.
  • Insurance Information.
  • Parties to the Agreement and Notice.
  • Authority to Make Decisions.

What does OSHA say about barricades?

OSHA Barricade Summary

Visibility – Barricades should be positioned and elevated to be easily seen by pedestrians and drivers. Supported – Proper ballasting and support should be used to keep barricades upright and visible, especially when used in windy and high-speed conditions.

When should barricades be removed?

9) Upon completion of the project, barricades shall be removed promptly when no longer needed.

Who is responsible for installation of barricades?

The owner of the hazardous area will also be responsible for installation and maintenance of the permanent protective barricades in his/her areas.

What are the 3 types of warning barricades?

There are generally three types of barricades (I, II, and III) and they should be frangible (see Figure 1). The Type III barricades are recommended for use as a roadblock and around heavy equipment; the other types are used for all other purposes. Standard design recommendations are given in the accompanying table.

What year did OSHA go into effect?


President Nixon signs the Occupational Safety and Health Act on December 29, 1970, which was enacted on April 28, 1971. In its first half century, OSHA has helped transform America's workplaces in ways that have significantly reduced workplace fatalities, injuries, and illnesses.

How does OSHA define residential construction?

1. It states that OSHA considers an employer engaged in residential construction "where the working environment, materials, methods and procedures are essentially the same as those used in building a typical single-family home or townhouse." Paragraph A.

What is the difference between OSHA 1910 and 1926?

OSHA's 1910 standards apply to employers in many industries. They're what's commonly known as horizontal standards. But the 1926 standards apply to employers in construction. OSHA standards that apply to specific industries like this are known as vertical standards.


When did the Osh Act go into effect?

December 29, 1970

The Occupational Safety and Health Act of 1970 is a US labor law governing the federal law of occupational health and safety in the private sector and federal government in the United States. It was enacted by Congress in 1970 and was signed by President Richard Nixon on December 29, 1970.

What were workplaces like before OSHA?

Before OSHA, workplace safety training was largely unregulated, and workplace hazards had a high potential to be serious or fatal. The further back you go, the more the threat workplace injuries were. This is simply due to the fact that they had not yet been notable medical advancements to help treat injuries.

What signs does OSHA require on construction site?
These are:
  • Caution signs:These warn against unsafe practices that could cause minor/moderate injuries.
  • Warning signs:These indicate a threat that can lead to more serious injuries or death.
  • Danger signs:These are used to alert workers to highly-dangerous risks that can result in serious injury and death.
Can you wear headphones on a construction site?

Is there a specific OSHA regulation that prohibits the use of headphones to listen to music on a construction site? Response: No, there is no specific OSHA regulation that prohibits the use of headphones on a construction site.

What are the OSHA requirements for egress during construction?

Ceilings of exit routes must be at least 7 feet, 6 inches high. An exit access must be at least 28 inches wide at all points. Where there is only one exit access leading to an exit or exit discharge, the width of the exit and exit discharge must be at least equal to the width of the exit access.

What are the OSHA requirements for language?
an employer must instruct its employees using both a language and vocabulary that the employees can understand. For example, if an employee does not speak or comprehend English, instruction must be provided in a language the employee can understand.

What is the safe distance from blasting?

When Blasting, What is the Safe Distance to Maintain? To ensure safety, people must be at least 200 meters from the blasting site. The area should also be free of ignition sources and flammable materials.

What is the safe distance from an explosion?


CAR500 LBS+1,900 FT
SUV/VAN1,000 LBS+2,400 FT
How far away must explosives be stored from a shaft or working area underground?

Permanent underground storage magazines shall be at least 300 feet from any shaft, adit, or active underground working area. Permanent underground magazines containing detonators shall not be located closer than 50 feet to any magazine containing other explosives or blasting agents.

What are the safety precautions for explosives?
Always wear appropriate PPE, including the correct gloves, lab coat or apron, safety goggles used in conjunction with a face shield, and explosion-proof shields when working with potentially explosive chemicals.

What is the 8ms rule in blasting?

1. An eight millisecond (8ms) firing window for consecutively initiating charges to minimise blast vibration. 2. Construction blasts produce high blast frequency and large mine blasts produce low frequency.

What are the ways to avoid excavation hazards?
Key points
  • Avoid underground services and make sure not to undermine nearby structures – use safe digging practice and dig away from them.
  • Check the excavation each day before starting work and after any event that may affect its stability.
  • Provide safe access to get in and out.
What are the precautions for excavation hazards?
Excavations shall have at least one ladder per 15 m of length in case of hazardous work and per 30 m of length in case of less hazardous works. Every part of a trench, in public areas, fences, guards or barricades shall be provided to prevent any accidents. Excavation areas shall be adequately lighted for night work.

How can excavation accidents be prevented?
5 ways to protect workers during trenching and excavation work
  1. Make sure there are a safe entrance and exit.
  2. Provide cave-in protection.
  3. Test for atmospheric hazards.
  4. Don't place materials around the edge of an excavation.
  5. Steer clear of trenches that haven't been properly inspected by a qualified person.
What is a method of protecting employees from excavation hazards?


Benching means a method of protecting workers from cave-ins by excavating the sides of an excavation to form one or a series of horizontal levels or steps, usually with vertical or near- vertical surfaces between levels.

What are the three types of excavation protection?

Protective systems for trench safety include sloping, shoring, shielding, and benching. They are used when soil conditions and the depth of the trench present a hazard to workers. Although only required for excavations deeper than five feet, it's a best practice to provide some form of stabilization in all trenches.

What events led to OSHA?
U.S. Disasters & the creation of OSHA
  • Pemberton Mill Collapse. The five-story mill collapsed midday killing 145 workers.
  • Triangle Shirtwaist Factory Fire.
  • Texas City Disaster.
  • The signing of the OSH Act.
  • L'Ambiance Plaza Collapse.
  • The 2009 Deadly Dust Explosions.
What led to the creation of OSHA?

OSHA was created because of public outcry against rising injury and death rates on the job. Through the years the agency has focused its resources where they can have the greatest impact in reducing injuries, illnesses, and deaths in the workplace.

What is the greatest health hazard in construction?
Welding fumes are some of the most hazardous exposures a construction worker may experience. How do fumes affect the body? Irritate the skin, eyes and nose; causing an immediate (acute) health effect. Fumes can easily pass from the lungs into the blood stream; resulting in a systemic health effect.

Which of the following must be top priority with respect to new construction workers?

As a result, the top priority is the safety of everyone on the construction site. Your workers will be far less effective if proper security measures are not in place. Nobody wants to work in an unsafe environment without appropriate safeguards.

What major event led to improve workplace safety?
The Industrial Revolution and the birth of labor unions led to improvement in workplace safety.

Why do construction workers work at night?

Night time construction is a necessity in the industry for reasons of cooler temperatures and less traffic and congestion. The ability to work more efficiently comes when the heat and daytime activity won't slow down the process.

What are the disadvantages of being a construction worker?

Construction work is recognized to be highly hazardous. Construction workers are exposed to weather conditions such as wind, rain, cold, and heat—specifically, the sun—a factor many might not consider. The risk of skin cancer rises due to construction workers' prolonged sun exposure.

Why do people hold nails in their mouth?

The new theory: nail biting helps us balance out our emotions. Recently psychologists have come to a more plausible theory of nail biting: that it can provide a temporary escape, distraction, or bit of pleasure or relaxation for the biter.

How do construction workers work in the rain?

They may use rain gear and tarps to protect themselves and equipment. In cases of extended rain, indoor tasks or project-related activities are typically undertaken until the weather improves. Safety and the well-being of workers are prioritized, and construction schedules may be adjusted accordingly.

Do construction workers work in the dark?
Nighttime construction work can be unavoidable with some jobs and contracts, especially if the deadlines are tight or the incentives are good. Companies may have to rely on working around the clock if a project needs faster completion times. In some cases, nighttime construction is scheduled because it's just easier.

What are the most life threatening hazards on a construction site?

The top four causes of construction fatalities are: Falls, Struck-By, Caught-In/Between and Electrocutions. Wear and use personal fall arrest equipment. Install and maintain perimeter protection.

What is one source of lead on some job sites?

Expert-Verified Answer. One source of lead on some job sites is the use of lead-containing materials in construction or renovation projects. These materials can include lead-based paint, pipes, or solder, which can pose a risk to workers when they are disturbed during work on the site.

Which of the following is typically worn when working in an atmosphere containing dust?
Particulate Respirators: Particulate respirators are the simplest, least expensive, and least protective of the respirator types available. These respirators only protect against particles (e.g., dust). They do not protect against chemicals, gases, or vapors, and are intended only for low hazard levels.

Why sometimes do construction workers take risks?

For example, a negative safety culture can influence a worker to take risks through social pressure. This social pressure is likely to be heightened in closely bonded work communities.

Where are you most likely to encounter lead on a construction site?

In construction, lead is used frequently for roofs, cornices, tank linings, and electrical conduits.

How does the National Fire Protection Association NFPA describe construction type?

NFPA 220, Standard on Types of Building Construction, defines types of building construction based on the combustibility and the fire resistance rating of a building's structural elements.

What is construction Type I 442?

Type I (442 or 332) — "Shall be those types in which the fire walls, structural elements, walls, arches, floors, and roofs are of approved noncombustible or limited-combustible materials."

What is the difference between IBC and NFPA construction type?
NFPA: “...that type in which structural elements, walls, arches, floors, and roofs are entirely or partially of wood…” IBC: “...that type of construction in which the structural elements, exterior walls and interior walls are of any materials permitted by this code.”

What is construction Type II 222?

Type II construction can be further classified as protected— Type II (222) or Type I (111)—in which the structural members have some degree of fire resistance, either 2 hour or 1 hour, or unprotected—Type II (000)—in which the structural members have no fire resistance rating.

What determines a building's construction type?

The construction type will detail two main attributes of the building elements: whether or not the materials are combustible or noncombustible (ex: wood versus steel frame), and the degree to which these building elements are required to be rated for fire-resistance (ex: fireproofed steel versus exposed steel).

Can construction shake your house?
Construction vibrations are a known nuisance and can damage existing structures if they are not properly monitored and accounted for. As a proactive means to mitigate vibration damage claims, nearby buildings should be inspected prior to and after construction and monitored during construction.

Why do you like working in construction?
Construction offers the opportunity to help create something that makes a significant impact. It transforms entire communities and changes landscapes. A pile of bricks, wires, logs, and beams becomes a building where families live, companies work, or retail stores thrive!

What do I need to know before working in construction?

Construction workers need to be able to understand and work with complex equations and diagrams. They also need to be able to think critically and solve problems. In addition, they should have knowledge of construction materials and methods. This knowledge can help them complete their tasks safely and efficiently.

What are your rights when it comes to nearby construction?

Most state and city laws specify that residents have a right to quiet enjoyment of their home, which includes limiting excessive noise from nearby properties under construction.

What can sparks of ingenuity drop from?
Rares (Primalist Future rares in the Storm's Fury area, Brackenhide Rares, Obsidian Citadel Rares, and other Open World Rares) can drop Bottle Essence / Spark.

Can you make sparks with steel?

And this piece of steel. Okay so first I'm gonna put on my safety glasses because you want to be safe. There you go and if I hit the steel with the quartz. Then I get two things happen one I can knock

Can you get sparks from M+?

For any characters that fall behind on Spark creation, extra Sparks have a higher chance to drop from sources like: M+ end-of-dungeon chests. PvP Wins.

Can forbidden reach rares drop sparks?

Can forbidden reach rares drop sparks? Killing rares while in a raid group will not drop sparks.

Which is not a common flammable found on a construction site?

What materials cause sparks?

Items that are made from carbon steel, stainless steel, cast iron or wrought iron all have the possibility of producing a spark. Non-ferrous metals include aluminum, copper, brass, silver, and lead. They're not the only materials that non-sparking tools are made out of, though.

What happens to account after deadman mode?

Deadman mode is a new PvP survival game mode for Old School RuneScape. In Deadman mode, player versus player combat is enabled everywhere and you can be attacked by anyone. When another player kills you, you lose everything you're holding, a part of your bank and half of your gained experience!

What happens at the end of deadman mode OSRS?

At the end of Deadman: Apocalypse, the profile used to participate in the event will be transferred to the permanent Deadman Mode server on world 345.

How does dead man mode work?

On permanent Deadman Mode servers, players cannot attack nor be attacked by other players for the first 12 hours of in-game time. Players are not able to receive a Wilderness weapon or Ancient Warriors' weapon as a drop while enjoying the benefits of beginner protection however.

What is the drop rate for sigils in deadman mode?

Tier 2 sigils can be obtained on 36-70, 71-100, and 101-126 combat level world brackets. There is a 30% chance of them dropping on a 36-70 world bracket, 75% chance on a 71-100 world bracket, and a 85% chance on a 101-126 world bracket.

Do I need to make a new account for deadman mode?

This means you can not play on your regular OSRS character and your Deadman mode character at the same time using the same account. If you want to play both game modes at once, you'll have to create a new account for your Deadman mode character.

What is a construction cleaner job description?

Duties can include cleaning windows inside and out, dusting and washing all surfaces, removing stickers on windows and appliances, hauling away the last of the construction debris, polishing all the interior glass, marble, and tile surfaces, dusting and washing walls and ceilings, and vacuuming the floors.

How do you clean a construction site? The following tips will help you and your staff to keep your construction site free from unsightly hazards.
  1. Clear Access Points.
  2. Clear Trash Every Day.
  3. Remove Unused Items.
  4. Check the Toilet Facilities.
  5. Utilize Chutes.
  6. Dust Control.
  7. Clean and Return Machinery.
  8. Stay Secure.
What is the meaning of final cleaning?

Final Cleaning: a) Remove grease, dust, dirt, stains, labels, fingerprints and other foreign materials, from finished surfaces including glass and other polished surfaces.

What is general rough cleaning?

Phase 2: Rough Cleaning

This is also the stage where you should: Remove any debris that is too large to be vacuumed. Sweep loose dust and dirt. Dust down surfaces like ceiling fans, door frames, windows, and cabinets with a dry microfiber cloth. Remove stickers from doors, windows, cabinet handles, and equipment.

What do building cleaning services include?

Some examples are dusting, vacuuming, mopping, cleaning the bathroom, washing the windows, and taking out the trash. Commercial building cleaning companies may tailor their services to meet the specific needs of their clients based on the size and type of building, as well as the frequency of cleaning required.

Why do construction workers wet the ground?

Spraying water is the most common way that workers deal with dust during a project. By having a water tank on hand that can be used to keep the dust wet and prevent it from rising into the air, workers can mitigate dust at a relatively cheap cost.

Can a house get wet during construction?

During the home building process, materials that are meant to frame a home are exposed to the elements, and that means they might become damp or wet from the rain.

Why are they spraying the roads?

By spreading freezing point depressant materials before a storm, it is possible to prevent the bond from forming between the roadway and snow or ice. The water part of the brine evaporates, and the salt that remains helps prevent ice from forming a bond with the roadway.

What is wet construction?

"Wet construction," on the other hand, refers to setting the slabs of stone in a bed of mortar. It results in a solid, rigid, impermeable surface. It is long lasting and durable, however it can be more difficult and/or costly to repair or reset if necessary.

What is the OSHA lift limit?

The lifting equation establishes a maximum load of 51 pounds, which is then adjusted to account for how often you are lifting, twisting of your back during lifting, the vertical distance the load is lifted, the distance of the load from your body, the distance you move while lifting the load, and how easy it is to hold

What does OSHA recommend for lifting people?

Experts recommend that lifts be limited to 35 pounds or less. Good health and strength may actually put workers at increased risk because their peers are much more likely to seek their assistance when manually lifting patients. “It is much faster to manually move patients.”

What is the safe lifting zone for OSHA?

The power zone for lifting is close to the body, between mid-thigh and mid-chest height.

What is the 35 lb lifting limit?

Now, the 35-pound limit only applies to lifting tasks. For a pushing or pulling task with the hand position at a height of about 37.5 inches above the floor the limit is about 58 pounds (Snook & Ciriello, 1991).

How much can two people lift OSHA?

OSHA does not have standards limiting maximum weight employees can lift/carry. Occupational Safety and Health Administration.

What is the purpose of rebar in concrete?

Rebar, or reinforcing bar, is a common feature of many concrete applications. Its primary purpose is to increase the tensile strength of the concrete, helping it resist cracking and breaking. With greater tensile strength, concrete is better able to resist breaking under tension.

What is reinforcement in construction?

Reinforcement for concrete is provided by embedding deformed steel bars or welded wire fabric within freshly made concrete at the time of casting. The purpose of reinforcement is to provide additional strength for concrete where it is needed.

When was rebar first used in concrete?

The first steel-reinforced concrete construction systems were used in the mid-19th century. These early systems used square twisted bars. The first materials specifications for steel reinforcing bars were developed in 1910. New "lugged" bars were introduced in the 1910s-1930s period.

Does extra rebar make concrete stronger?

Concrete is strong under compression, but has low tensile strength. Rebar significantly increases the tensile strength of the structure. Rebar's surface features a continuous series of ribs, lugs or indentations to promote a better bond with the concrete and reduce the risk of slippage.

Can you pour concrete without rebar?

Do All Concrete Projects Need Reinforcement? No, they do not. Larger projects or slabs may need steel reinforcement to provide support or extra strength.

Which of the following precautions should be taken at an excavation site?

Safety precautions may include removing the water before allowing workers to enter; using special supports or shield systems; or giving workers safety harnesses or lifelines before entering. Provide safe entry and exit. If digging more than four feet down, you must have ladders, steps or ramps at least every 25 feet.

Does OSHA require hearing protection at 90 decibels?

An effective hearing conservation program must be implemented by employers in general industry whenever worker noise exposure is equal to or greater than 85 dBA for an 8 hour exposure or in the construction industry when exposures exceed 90 dBA for an 8 hour exposure.

What is the OSHA standard for construction noise?

OSHA recommends that workplace noise levels be kept below 85 dBA as an 8-hour time-weighted average. As the noise level increases, it damages your hearing more quickly.

What is Cal OSHA action level for noise?

Employers must conduct noise testing to periodically measure the level of noise to which workers are exposed. • California OSHA also lists an action level of 85 decibels. This is the number upon which action must be taken to reduce the risk and exposure to employees.

What is the noise level limit for OSHA?

OSHA sets legal limits on noise exposure in the workplace. These limits are based on a worker's 8-hour time-weighted average (TWA) over a work day. For noise, OSHA's permissible exposure limit (PEL) is an 8-hour TWA noise level of 90 dBA.

At what noise level ear protection is mandatory?


If the daily noise level reaches 85dB(A), the law says that ear protection must not only be provided, it must be worn. It is up to the employer to make sure this happens. The employer must also keep the ear protection in good condition and clearly mark ear protection zones – areas where it must be worn.

Which of the following ways to avoid excavation hazards was mentioned in the construction etool?

Mar 1, 2020 — Pile soil close to the excavation site. Provide protections if water accumulation is a problem. Construct protective Systems. Provide safe 

What is the OSHA standard for warning lines?

Warning line systems.

The warning line shall be erected around all sides of the roof work area. When mechanical equipment is not being used, the warning line shall be erected not less than 6 feet (1.8 m) from the roof edge.

At what depth does OSHA require shoring?

5 feet deep

For all trenches deeper than 5 feet deep or for any trench that shows signs of cave-in, OSHA requires sloping, benching, shoring, or shielding to protect workers from cave-ins.

At what height does OSHA require a harness?

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.

What is the minimum height to wear safety harness?

ANSWER: Six feet is the general rule for the Construction Industry, i.e. it's the threshold when no specific rule applies. (No fall protection is required until 10 feet when working on scaffolds.)

What is a warning line system in construction?

A warning line is a barrier such as rope, wire, or chain that warns workers they are approaching an unprotected edge of a roof, floor, or other work surface.

What are the OSHA construction standards called part?


What section of the OSHA standard is concerned with construction?

§ 1910.12(b) and § 1926.32. Section 1910.12(a) further provides that OSHA's construction industry standards apply "to every employment and place of employment of every employee engaged in construction work."

Which OSHA regulation covers construction standards? 1926.16 - Rules of construction. 1926.20 - General safety and health provisions. 1926.21 - Safety training and education.

What does 29 CFR 1926 cover?

29 CFR 1926, Safety and Health Regulations for Construction was established under section 107 of the Contract Work Hours and Safety Standards Act, and provides the standards for construction safety.

What are the 4 parts of OSHA?

OSHA standards fall into four categories: General Industry, Construction, Maritime, and Agriculture.

What is the maximum temperature rating of a THHN conductor?


THHN is a code for thermoplastic high heat resistant nylon coated wire which is allowed for use in dry to damp location and rated for a maximum temperature of 90ºC (194ºF).

What is the maximum overcurrent protection permitted for a size 10 AWG copper conductor with Thhn insulation?

30 amperes

* Unless specifically permitted in 240.4(E) through (G), the overcurrent protection shall not exceed 15 amperes for 14 AWG, 20 amperes for 12 AWG, and 30 amperes for 10 AWG copper; or 15 amperes for 12 AWG and 25 amperes for 10 AWG aluminum and copper-clad aluminum after any correction factors for ambient temperature

  • Under what condition may nonmetallic sheathed cable type nm be fished in the hollow voids of masonry block walls?
    • (1) TYPE NM. This type of non-metallic sheathed cable may be in- stalled for both exposed and concealed work in normally dry locations. It may be installed 01' fished in air voids in masonry block or tile walls where such walls are not exposed or subject to excessive moisture or dampness.

  • Which of the following voltage would be considered abnormal in a residence?
    • Use a multimeter tool to see how to check low voltage at home in the wall outlet. Abnormal is anything less than 120.

  • What is the maximum operating temperature of THWN?
    • While THHN wire is rated to be used in wet locations with ambient temperatures up to 75°C, THWN wire has a higher maximum recommended operating temperature of 90°C in both wet and dry environments.

  • What does Dosh stand for?
    • The Division of Occupational Safety and Health (DOSH), better known as Cal/OSHA, protects and improves the health and safety of working men and women in California and the safety of passengers riding on elevators, amusement rides, and tramways – through the following activities: Setting and enforcing standards.

  • Is Dosh the same as OSHA?
    • DOSH is considered a “state plan” in relation to federal OSHA. That relationship requires DOSH to set rules that are as least as effective as OSHA's rule and allows Washington the flexibility to set stricter worker protections than OSHA.

  • What does dosh mean in construction?
    • DOSH means the division of occupational safety and health, the part of the Washington state department of labor and industries (L&I) that develops and enforces safety and health rules. Sample 1Sample 2Sample 3.

  • What is dosh in Washington?
    • The Washington State Plan is administered by the Department of Labor and Industries, Division of Occupational Safety and Health (DOSH). The main office is located in Tumwater.

  • Is Dosh secure?
    • Dosh doesn't store any credit or banking information. All credit and debit card information is stored with the leading banking vault Braintree (a PayPal service where over 1 billion cards are stored by leading institutions) via their highly secure tokenization and vaulting systems.

  • What is PageFly used for?
    • What is PageFly? Pagefly is an easy drag-and-drop page builder for Shopify. It lets you design your own custom pages on Shopify. Its main competitor is Shogun, but unlike Pagefly, Shogun does not have a free plan.

  • How do I create a PageFly landing page?
    • How to create a Shopify landing page with PageFly?
      1. Step 1: Install PageFly.
      2. Step 2: Build a page from scratch or start with a template.
      3. Step 3: Drag and drop to add content.
      4. Step 4: Edit your page on different devices' screens.
      5. Step 5: Optimize and publish your landing pages.
  • Is PageFly worth it?
    • PageFly is worth it for Shopify merchants because it's very beginner-friendly and easy to use. The app also has a lot of features that Shopify currently lacks, so it's a well-rounded page builder for your Shopify store.

  • Can I use PageFly without Shopify?
    • PageFly requires a Shopify account.

  • What are the components of PageFly?
    • PageFly provides four different types of elements to help you build your store. These are: Standard elements: you can find Containers, Basic elements, Media elements, Social elements and Advanced elements such as the Countdown Timer, Mailchimp Form, and the Table.

  • What are the requirements for IDLH?
    • Two factors are considered when establishing IDLH limits. Workers must be able to escape from the environment where they are exposed to hazardous chemicals without suffering (a) permanent health damage or (b) severe eye or respiratory tract irritation (or other conditions) that might impair their ability to escape.

  • Which rule pertains to IDLH conditions?
    • The Respiratory Protection standard, 29 CFR 1910.134, which does apply to operations covered by OSHA's Fire Brigade Standard will be discussed next. Paragraph (e)(3), requires the development of written procedures for the safe use of respirators in IDLH and potential IDLH atmospheres.

  • What is the OSHA requirement for respiratory protection?
    • A respirator shall be provided to each employee when such equipment is necessary to protect the health of such employee. The employer shall provide the respirators which are applicable and suitable for the purpose intended.

  • What is an example of an IDLH?
    • Examples of gases which may pose an IDLH atmosphere include oxygen-displacing gases, such as argon, nitrogen, carbon dioxide, helium, or even steam. The IDLH level for carbon monoxide is 1200 ppm, for example.

  • What is IDLH classification?
    • IDLH or Immediately dangerous to life or health means an atmospheric concentration of any toxic, corrosive or asphyxiant substance that poses an immediate threat to life or would cause irreversible or delayed adverse health effects or would interfere with an individual's ability to escape from a dangerous atmosphere.

  • What is the hottest temperature you can legally work in?
    • Your employer must take steps to address the issue. OSHA has recommendations for employers regarding office temperature, humidity, and indoor air quality. Although this is guidance and not a rigid rule, OSHA recommends keeping indoor office temperatures between 68-76°F and humidity at 20-60%.

  • How hot is too hot to work California?
    • The following states have standards for heat exposure: California. California's Heat Illness Prevention Standard requires employers to provide training, water, shade, and planning. A temperature of 80°F triggers the requirements.

  • What is the trigger height for Cal OSHA?
    • These trigger heights include 2 stories or 30 feet for connecting structural steel, 20 feet for most roofing work, and 15 feet for panelized roof systems, residential framing and roofing activities, and work on wider structural members.

  • What temperature is unsafe to work?
    • When the temperature exceeds 95 degrees Fahrenheit, employers have to implement “high heat procedures”, which include providing additional shade, rest periods, and training for employees and supervisors.

  • What temperature is an OSHA violation?
    • Heat Standards in Specific States

      The following states have standards for heat exposure: California. California's Heat Illness Prevention Standard requires employers to provide training, water, shade, and planning. A temperature of 80°F triggers the requirements.

  • Are you supposed to feed your contractors?
    • Most professional remodeling/construction workers are trained to expect no food, drink or water when working at a customer's home. They will bring their own drink and food (or go out for lunch). One of our installers even brings his own microwave as we do not allow them to use customer's appliances.

  • Why do construction workers drink so much?
    • The nature of some construction jobs—long days filled with repetitive tasks—may contribute to substance abuse. Some workers use alcohol, opioids and other drugs to numb the physical pain that accompanies manual labor.

  • What snacks do construction workers eat?
    • Snacks
      • Fresh fruit.
      • Yogurt and whole grain cereal.
      • Organic fruit shakes and smoothies.
      • A lean turkey sandwich/wrap.
  • What is the best diet for a construction worker?
    • What type of food should construction workers eat?
      • Pasta salad.
      • Wraps (chicken, tuna, salad)
      • Sandwiches (ham, cheese, egg, salad)
      • Chilli and rice.
      • Soups.
      • Pasty.
      • Stews.
      • Potato salad.
  • Should I buy lunch for construction workers?
    • Over 90% of the workers surveyed say that free food is the most appreciated work perk — above flexible work arrangements, wellness benefits, and education assistance. And 75% of construction workers would continue working at a company that offers free meals, showing that catered food is well with the investment.

  • What year was the Second Temple built?
    • 516 BCE

      Secular accounts place the completion of the Second Temple in approximately 516 BCE but some Jewish sources date the completion much later in 350 BCE. Herod the Great rebuilt the Temple in 20-18 BCE. The Jews led a revolt and occupied Jerusalem in 66 CE initiating the first Roman-Jewish war.

  • When was Herod's Temple built?
    • Of major importance was the rebuilding of the Second Temple begun by Herod the Great, king (37 bce–4 ce) of Judaea. Construction began in 20 bce and lasted for 46 years. The area of the Temple Mount was doubled and surrounded by a retaining wall with gates. The Temple was raised, enlarged, and faced with white stone.

  • When was Solomon's Temple built?
    • 957 BC

      The First Temple was constructed during the reign of David's son, Solomon, and completed in 957 BC. Other sanctuaries retained their religious functions, however, until Josiah (reigned c. 640-609 BC) abolished them and established the Temple of Jerusalem as the only place of sacrifice in the Kingdom of Judah.

  • Is the Second Temple still standing?
    • Both temples were destroyed, and the main remnant is the outer western wall of the Second Temple courtyard, where people flock from all over the world to pray (known as the Wailing Wall, the Kotel, or the Western Wall). According to Jewish traditions, both temples were destroyed on the 9th of Av on the Jewish calendar.

  • Who built the 2nd Temple in the Bible?
    • Who Built the Second Temple? The Second Temple itself was built by Jews returning from exile in Babylon. According to biblical accounts, this project was sanctioned and funded in part by the Persian-appointed governor of the region. It was originally a rather humble structure on Mount Moriah.

  • Does OSHA make a distinction between a home office and a home based worksite?
    • Understanding the difference between home offices and home-based worksites is important because it determines whether OSHA can inspect. Home offices are where workers perform office duties with equipment such as computers and telephones.

  • How does OSHA define construction work?
    • OSHA's regulations define construction work as "construction, alteration, and/or repair, including painting and decorating."1 Section 1910.12(a) further provides that OSHA's construction industry standards apply "to every employment and place of employment of every employee engaged in construction work."

  • Does OSHA apply to commercial buildings?
    • Unless a building's size, layout, and occupancy permit it to have only one route, OSHA requires a workplace to have at least two evacuation routes.

  • What is the difference between OSHA General and OSHA construction?
    • OSHA has specific standards for Construction, Maritime, and Agriculture. Any other employer or worker falls into the catchall of "General Industry." That means the category covers everyone from manufacturing to office work. OSHA General Industry training covers standards in 29 CFR 1910.

  • Which is not a common flammable found on a construction site
    • C)Improper scaffold construction. D)All of the above. d. Which is NOT a common flammable found on a construction site? A)Stored paints and solvents. B)Gasoline

  • Why are construction workers so vulgar?
    • Moreover, construction sites are often characterized by a unique culture and camaraderie among workers. This environment may foster a more informal and relaxed atmosphere, where casual language is used as a means of bonding and establishing a sense of unity among the team.

  • Are construction workers unhappy?
    • Construction workers are one of the least happy careers in the United States. At CareerExplorer, we conduct an ongoing survey with millions of people and ask them how satisfied they are with their careers.

  • Are construction sites toxic?
    • Chemical exposure injuries are one of the most common construction site accidents. Many materials used by the construction industry contain lead and mercury, which can lead to severe injuries or even death. Construction workers use many power tools but are also frequently in contact with toxic substances.

  • What is construction fatigue?
    • Fatigue is a state of physical and/or mental exhaustion which reduces a person's ability to perform work safely and effectively. Fatigue considerably reduces alertness and may lead to errors, which in turn could increase the likelihood of workplace incidents and injuries.

  • Why do construction workers have bad mental health?
    • When workers suffer from continual exhaustion, it can impact their emotional well-being. Injuries: Construction workers are more prone to physical injuries than workers in many other occupations. These injuries can be serious and lead to chronic pain, which may affect mental health.

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