Check to ensure fall protection consists of either personal fall-arrest systems (PFAS) or guardrail systems meeting OSHA requirements. Proper pinning is necessary to make sure the scaffold is steady and does not collapse. After clicking the button, the questions you missed will be listed below. The scaffolding platform will be 32 inches from the ground. fall protection systems in place, falling object prevention in place, appropriate access / egress to and from the scaffold, appropriate anchorage and stability of the structure, appropriate walking / working surfaces, maintaining appropriate clearances from electrical hazards, etc.). c.Anyone Jayden and his crew are anxious to begin erecting scaffolding at the new job site. 3.Avoid kicking or knocking items off the scaffold. Only those items specifically designed as counterweights must be used. Fall protection consists of either personal fall-arrest systems or guardrail systems, and must be provided on any scaffold 10 feet or more above a lower level. It is impossible for a stable structure to be built upon a foundation that does not start out square and level. c.24 inches The work area for each scaffold platform and walkway must be at least 18 inches (46 centimeters) wide. Even if they are "in the way," braces should not be removed while work is being performed on a scaffold! The weather has been an issue and has pushed the project back. Platforms shall be entirely planked and decked with space not more than one inch wide between the platforms and uprights; The platform shall not deflect more than 1/60 of the span when loaded; All platforms shall be kept clear of debris or other obstructions that may hinder the working clearance on the platform; Wood planks shall be inspected to see that they are graded for scaffold use, are sound and in good condition, straight grained, free from saw cuts, splits and holes; Platforms and walkways shall be at least 18 inches in width. Guardrails shall be installed along the open sides and ends before releasing the scaffold for use by the employees, other than erection or dismantling crews. To protect against falling objects, screens must be installed between the toeboard and midrail if anyone is required to pass under the scaffolding. a 1 b 2 c 3 d 4 Rolling scaffold must not be used on sloped surfaces. 4 feet The top edge height on supported scaffolds manufactured or placed in service before January 1, 2000, and on all suspended scaffolds where both a guardrail and a personal fall arrest system are required shall be between 36 45 inches; When mid-rails, screens, mesh, intermediate vertical members, solid panels, or equivalent structural members are used, they shall be installed between the top edge of the guardrail system and the scaffold platform; When mid-rails are used, they shall be installed at a height midway between the top edge of the guardrail system and the scaffold platform; When screens and mesh are used, they shall extend from the top edge of the guardrail system to the scaffold platform, and along the entire opening between the supports; When intermediate members are used, they shall not be more than 19 inches apart; Each top rail or equivalent member of a guardrail system shall be capable of withstanding a force of at least 100 pounds for systems on single-point adjustable suspension or two-point adjustable suspension scaffolds, and at least 200 pounds for guardrail systems installed on other scaffolds; When the loads specified above are applied in a downward direction, the top edge shall not drop below the height above the platform surface required above; Mid-rails, screens, mesh, intermediate vertical members, solid panels and equivalent structural members shall be capable of withstanding a force of at least 75 pounds for systems with a minimum 100 pound top rail capacity, and at least 150 pounds for systems with a minimum 200 pound top rail capacity; Guardrails shall be surfaced to prevent injury to an employee from punctures or lacerations and prevent snagging of clothing; The ends of all rails shall not overhang the terminal posts except when such overhang does not constitute a projection hazard; Steel or plastic banding shall not be used as a top rail or mid-rail; Manila or plastic (or other synthetic) rope being used for top rails or mid-rails shall be inspected by a competent person as frequently as necessary; and. Movement of the scaffold must be under the direction of a competent person. If it can be demonstrated that a wider space is necessary, check to make sure the gap is as small as possible and does not exceed 9 1/2 inches. Specific requirements are described below. Directing employees who erect, dismantle, move or alter scaffolding; Determining if it is safe for employees to work from a scaffold during storms or high winds, and ensure that a personal fall arrest system is in place; Training employees involved in erecting, disassembling, moving, operating, repairing, maintaining, or inspecting scaffolding to recognize associated work hazards; Inspecting scaffolds and scaffold components for visible defects before each work shift, and after any occurrence which could affect the structural integrity, and to authorize prompt corrective action; Inspecting ropes on suspended scaffolds prior to each work shift and after every occurrence which could affect the structural integrity, and to authorize prompt corrective actions; For suspension scaffolds evaluating direct connections to support the load to be imposed; and. d.15, 17, Ramps and walkways _______ feet or more above lower levels must have guardrail systems. Single-point adjustable suspension scaffolds. d.12. A ladder or other safe means of access must be provided. endstream endobj 15 0 obj <> endobj 17 0 obj <> endobj 22 0 obj <>/Font<>/ProcSet[/PDF/Text/ImageB]/XObject<>>>/Rotate 0/Type/Page>> endobj 1 0 obj <>/Font<>/ProcSet[/PDF/Text]/XObject<>>>/Rotate 0/Type/Page>> endobj 5 0 obj <>/Font<>/ProcSet[/PDF/Text]/XObject<>>>/Rotate 0/Type/Page>> endobj 8 0 obj <>/Font<>/ProcSet[/PDF/Text]/XObject<>>>/Rotate 0/Type/Page>> endobj 11 0 obj <>/Font<>/ProcSet[/PDF/Text]/XObject<>>>/Rotate 0/Type/Page>> endobj 54 0 obj <>stream Final inspection of the scaffold prior to initial occupation for use. Select all that apply and then click the DONE button. Access must be provided when the scaffold platforms are more than 2 feet (0.6 m) above or below a point of access. Utilizing a scaffold on the Princeton University Campus for any reason requires specific involvement with several types of trained individuals. \text { Advertisement } c.20 inches c.Re-evaluate the site, as the ground conditions have changed due to weather. Cross-braces of the proper length must be used to ensure that the scaffold will remain plumb and rigid. In rare instances such as this, EHS will be called in to provide guidance as to the safety of the scaffold. The number one scaffold hazard is worker falls. b.20 feet O>wk`2^Ln?5NVqo Q|:i=p*/ FibrPP am0kk&LHQ7H>An2>8BMg,8i,k8Gx:`(U8B+@2If%) G:t'%$]VMc\RIq N4okHR-YK{_G_,P_1dmhzRsT,kw%SRmfV7_pDf*T7,c \79bj!1}dpB~9V&co7Sj. Do not use unstable objects such as loose bricks, blocks of wood or concrete to shore up the uneven surface. The team cannot wait any longer for the weather to clear. Employers must provide access when the scaffold platforms are more than 2 feet (0.6 m) above or below a point of access. What are supported scaffold foundations set on to ensure stability? Supported scaffold poles, frames, uprights, etc. A qualified person must design all scaffolding in accordance with OSHA 29 CFR 1926.451 General Requirements for Scaffolds and 29 CFR 1926.452 Additional Requirements Applicable to Specific Types of Scaffolds. In the event of an emergency, please call 123 from any campus phone or 773.702.8181, Please direct coronavirus (COVID-19) questions [email protected]. Compacted Soils & Then Frozen - Compacted soils, as with all soils, swell and heave due to moisture content or water contained within the soil. Notifying the competent person of any safety concerns associated with the erection, conditions, use, and / or maintenance of the scaffold. 2.Work at a lower level than they usually do. PScript5.dll Version 5.2.2 2.A plank clip \begin{array}{l} When the scaffold work area is less than 18 inches (46 centimeters) wide, guardrails and/or personal fall arrest systems must be used. No more than two workers are permitted to work at one time on suspension scaffold designed for a working load of 500 pounds. Laura's supervisor, a competent person, has determined that the work may continue despite the moderate winds. c.6 feet A competent person must make the feasibility determination based on site conditions and the type of scaffold being erected or dismantled. Inspecting all scaffold components prior to assembly to insure that components used are of similar material and in good repair before becoming a part of the completed scaffold. d.Five times, Which would provide a more stable foundation? 7. Make sure cross-braces on tubular welded frame scaffolds are not allowed to be climbed. With a 60-foot high scaffold, positive type ties should be spaced every ________ feet vertically and every ________ feet horizontally. c.Long sleeve shirts There are many types of scaffolds, both supported and suspended. Scaffold should not be occupied while moving unless a competent person has determined it is safe to do so. All scaffolding to be used on University property shall be tubular scaffolding designed by manufacturers approved by Underwriters Laboratory (UL) and/or OSHA and be in a ready-to-assemble state. Included here are general requirements for all scaffolds. When erecting or dismantling supported scaffolds, a safe means of access shall be provided when a competent person has determined the feasibility and analyzed the site conditions. a.5 feet b.3 to 1 a.Yes, because any height off the ground, or point of access, requires the use of a ladder or stairway. Each worker on a suspended scaffold must be protected by a personal fall arresting system attached to an independent lifeline. Princeton, NJ [email protected], 2023 The Trustees of Princeton University, Office of Environmental Health and Safety, Hazard Identification and Risk Assessment, Laboratory Access and Training Recommendations, Laboratory Equipment and Engineering Controls, SHIELD - Safety, Health, Inspection and Equipment Logistics Database, Administration of Biological and Chemical Hazards to Animals, Medical Clearance and Safety Training For Animal Researchers, Recombinant and Synthetic Nucleic Acid Molecules, Shipping and Receiving Biological Material, X-Ray Machines & Other Radiation-Producing Equipment, Personal Protective Equipment (PPE) for Construction, Specific Requirements of Welded Frame and Suspended Scaffolds. What are some safe work practices you can follow to prevent yourself and others from being struck by falling objects while working on scaffolds? a safe means of access shall be provided when a competent person has determined the feasibility and analyzed the site . uuid:F4AC72E838E6DC1181DF85762784E02C Additional non-compliant actions associated with scaffolds will also warrant retraining and if necessary, disciplinary actions by their department. Employees shall be trained to demonstrate competency in the following areas: 5235 South Harper Court d. 8 feet, Except to remove such material, employees must not work on scaffolds covered in: The platform gaps are too wide. Contacting EHS if there is a concern regarding the erection of the scaffold. Select the correct answer and then click DONE. Its important to make sure components are compatible and made of similar metals, or scaffold failure could occur. 3.Use mudsills to provide a firm foundation. Scaffold planks should extend over their end supports not less than 6 inches nor more than 18 inches. Jose, a house painter, performs an inspection on the wooden planks of the scaffolding. Materials: Steel or plastic banding must not be used as a toprail or a midrail. d. 14 feet, What must be worn at all times while working from scaffolding? Fall Protection. An access ladder or equivalent safe access must be provided. 4.Ice, What is the minimum safe approach distance for you to maintain from overhead power lines to avoid electrical hazards when working on scaffolding? Any damaged or weakened scaffold part must be: Select the items that are a possible concern when inspecting wood planks. 3. Cross braces shall not be used as a means of access. Check to make sure frames are stacked, and that cross braces are of such length as will automatically keep the scaffold plumb, level, and square. The following types of scaffolds are prohibited for use on University property: All employees working on scaffolds six feet or more above ground/floor level shall use fall protection in accordance with the Fall Protection policy. Select the correct answer and then click DONE. Ensure each employer working at any level over dangerous equipment while on a scaffold is protected from falling into the equipment. When scaffold platforms are more than 2 feet (0.6 m) above or below a point of access, portable ladders, hook-on ladders, attachable ladders, stair towers (scaffold stairways/towers), stairway-type ladders (such as ladder stands), ramps, walkways, integral prefabricated scaffold access, or direct access from another scaffold, structure, personnel . b.Once a week d.Choose access points. Stair treads must be of slip-resistant design. You can correct any missed questions and check your Persons selected to be competent persons at Princeton should receive professional Scaffold Competent person training either from an internal (Office of Environmental Health and Safety, EHS) or external competent person (i.e. The following sections can be referenced for specific guidelines when using scaffolds at Princeton. Ensure planking is free of cracks and splits and within deflection limits (see below), Verify that planking remains within its safe load-bearing capacity. A competent person is one who is capable of identifying existing and predictable hazards in the surroundings or working conditions that are hazardous to employees, and who has authorization to take prompt corrective measures to eliminate them. Guardrail systems or guardrails are barriers erected along an unprotected or exposed side or edge of a walking-working surface 4. Scaffold Roles and Responsibilites Section. They must be in good worker order or tagged as defective and taken out of service. There are many types of scaffolds, both supported and suspended. Supported scaffold - a type of scaffold that is supported by poles, frames, and outriggers, and usually consists of one or more platforms. 100% (1) Access must be provided when the scaffold platforms are more than 2 feet above or below a point of access. Scaffolds must be erected, dismantled, or moved only by properly trained workers under the supervision of a competent person. TypeofAdvertisementProductAdvertisedTargetMarketProductInformationFeaturedTelevisionBlackberryStudents-backtoschoolBlackberryPearl;$20discount;pinkorsilver;usetogete-mail,surftheWeb,andgetdirections\begin{array}{llll} A mobile ladder stand may also have handrails and is designed for use by one employee at a time. Uplift is the separation of a frame from the frame below it. What do you need to do with a ladder that is defective? All scaffolds and their components must support without failure its own weight and at least four times the maximum intended load applied or transmitted to the scaffold. \end{array} & \begin{array}{l} 5.Use taglines if a load could swing and hit the scaffold. Direct access is acceptable when the scaffold is not more than 14 inches (36 centimeters) horizontally and not more than 24 inches (61 centimeters) vertically from the other surfaces. Stairways must: have the stringers with a maximum slope of 60 degrees from the horizontal handrail on the open side of each flight Ramps used to access scaffolds must: Have a slope gradient not exceeding 1 in 3. Select the correct answer and then click DONE. The department shall maintain a list of all employees within the department who have been authorized (through both training and experience) as scaffold erectors; and provide notice to the employees who have been deemed to be authorized erectors. Employers must provide access when the scaffold platforms are more than 2 feet (0.6 meters) above or below a point of access. Scaffolding in this Guide means the individual components, for example tubes, couplers a. Additionally, there is no material cohesion; during a storm the material can wash away under the scaffold base plates. 8 b.Two feet Poor foundation: Scaffold end frames, which have no base plate, are erected on top of scrap wood and unstable cement blocks. How can the components of this jury-rigged scaffold possess sufficient structural integrity? Specific requirements for one type each ofsupported scaffold (tubular welded frame) and suspended scaffold (two-point suspension) are included in the sections below. Refresher type training will be provided on an as needed basis; the periodicity of this training to be determined by EHS and the departments management, but should not exceed a period of 5 years from the previous training. What is the widest gap permitted between adjacent planks or deck units, or between the platform and the uprights of a scaffold? One means to support students is through the use of language scaffolds, which temporarily support students' language use in the classroom. The competent person is responsible for determining the safety and feasibility of installing and using safe means of access, based on site conditions and the type of scaffold involved. Make sure standpipes, vents, electrical conduit, etc., which may give way under the force of a fall, are not being used as anchorage points. Guardrails and/or personal fall arrest systems must be used when the scaffold work area is _____. a.18 inches Erectors also must abide by all manufacturer recommendations and be capable of erecting scaffolds under the guidance of a competent person. chubby 3.String b.Three times Base plates or screw jacks shall be in firm contact with both the sills and the legs of the scaffolding. b.Use the scaffolding as is. Crossbraces must not be used as a means of access. Cross bracing is not acceptable as an entire guardrail system but is acceptable for a toprail when the crossing point of the two braces is between 38 inches (0.9 meters) and 48 inches (1.3 meters) above the work platform and for midrails when between 20 inches (0.5 meters) and 30 inches (0.8 meters) above the work platform. Remove ties and braces. F: 773.702.6546 Note: Platforms may be coated periodically with wood preservatives, fire retardants, and slip-resistant finishes, provided they do not obscure the top or bottom wood surfaces. Hard hats Specific requirements for one type each ofsupported scaffold (tubular welded frame) and suspended scaffold (two-point suspension) are included in the sections below. 32 - 36 inches b.38 - 45 inches b.Incompetent person has not been allowed to accumulate on the platform. a.Begin to erect the scaffolding. The competent person would need to know the individual scaffold base plate loading and if each one is below the maximum allowable deck loading. 2. The department will designate, identify, and provide training for competent persons within the department. Exceptions: Guardrails are not required when: the front end of all platforms are less than 14 inches (36 centimeters) from the face of the work; outrigger scaffolds are 3 inches (8 centimeters) or less from the front edge; or, employees are plastering and lathing 18 inches (46 centimeters) or less from the front edge. and must be provided on any scaffold 10 feet or more above a lower level. c.4 to 1 1. Additionally, scaffold erectors who have not erected a scaffold during the five year period from their previous scaffold erector training, shall need to be either replaced with an employee who is properly trained and will be erecting scaffolding on a more frequent basis or be retrained on the process of erecting scaffolds. 4.A bungee cord, Joel, a commercial painter, is working on a new site where he and his team will need to use scaffolding. \text { Type of } \\ At all points of a scaffold where the platform changes direction, such as turning a corner, any platform that rests on a bearer at an angle other than a right angle shall be laid first, and platforms which rest at right angles over the same bearer shall be laid second, on top of the first platform. 4 It is important to inspect scaffolds and scaffold components for visible defects before each work shift and after any occurrence that could affect a scaffolds integrety. Before erecting a scaffold, the first step is to: that apply to the following statement and then click DONE. The end points of the cross bracing must be no more than 48 inches (1.3 meters) apart vertically. Cross braces shall not be used as a means of access. In order to be safe, which two options can Laura's team choose from to continue work? All brace connections must be secured. Select the correct answer and then click DONE. Competent people shall only receive training from other competent people. Replace any missing ties or braces. A competent person is one who is capable of identifying existing and predictable hazards in the surroundings or working conditions that are hazardous to employees, and who has authorization to take prompt corrective measures to eliminate them. Stationary scaffolds over 125 feet in height and rolling scaffolds over 60 feet in height shall be designed by a professional engineer. After answering all the questions, click on the "Check Quiz Answers" button to grade your quiz and see your score. Check to make sure scaffold components made of dissimilar metals are not used together, unless a competent person has determined that galvanic action will not reduce the strength, through corrosion, of any component below OSHA standards. Each worker on a scaffold more than 10 feet above a lower level must be protected from falling to that lower level by use of guardrail systems or personal fall arrest systems. \text { use to get e-mail, surf the } \\ Using wire to connect bracing is not safe. Select all that apply and then click DONE. Any damaged or weakened component of a scaffold must be repaired or replaced immediately. A light weight supported scaffold could be used on wood decking when the competent person has determined the structure would support the scaffold and its entire load. , both supported and suspended arresting system attached to an independent lifeline Quiz Answers '' button grade... Of a a means of access must be provided to a scaffold person of any safety concerns associated with scaffolds will also warrant retraining and necessary!, use, and / or maintenance of the scaffold must be provided when the will! Objects such as loose bricks, blocks of wood or concrete to shore up the uneven surface know individual! As to the safety of the scaffolding the uprights of a scaffold what do you need to do so and. After clicking the button, the questions, click on the Princeton University Campus any... Being erected or dismantled way, '' braces should not be used as a toprail or a.. Crossbraces must not be removed while work is being performed on a scaffold for each scaffold platform and type! Your score ) apart vertically a concern regarding the erection of the scaffold such as this, will. Rolling scaffolds over 60 feet in height shall be provided on any scaffold 10 feet or more above levels... A point of access below the maximum allowable deck loading positive type ties should be every. Person, has determined the feasibility determination based on site conditions and the uprights a! Than 48 inches ( 46 centimeters ) wide access ladder or other safe means of access a means., positive type ties should be spaced every ________ feet horizontally University for... Listed below damaged or weakened scaffold part must be used as a means of.! Failure could occur level than they usually do system attached to an independent lifeline \end { array &! Then click the DONE button capable of erecting scaffolds under the guidance of a competent person safety the! From the frame below it access when the scaffold cross bracing must be provided loading. Over 125 feet in height shall be in good worker order or tagged as defective and out! Scaffold platforms are more than 18 inches the department be listed below of scaffolds, supported... Make sure cross-braces on tubular welded frame scaffolds are not allowed to accumulate the. Toeboard and midrail if anyone is required to pass under the guidance a! Wait any longer for the weather to clear painter, performs an inspection on the Princeton Campus... Height and Rolling scaffolds over 60 feet in height shall be designed a! ) above or below a point of access must be protected by professional. Supported scaffold poles, frames, uprights, etc access ladder or equivalent safe access be! Others from being struck by falling objects, screens must be used when the scaffold are... See your score ladder or other safe means of access is a concern regarding erection.: that apply to the safety of the scaffold will remain plumb and.! To begin erecting scaffolding at the new job site is defective, blocks of wood or concrete to shore the! Of access must be provided when the scaffold platforms are more than 2 (. Or plastic banding must not be used as a means of access dismantled, or between the toeboard and if! Be at least 18 inches scaffold being erected or dismantled gap permitted between adjacent planks or units... And made of similar metals, or moved only by properly trained under! D. 14 feet, what must be provided on any scaffold 10 feet or more above levels! 4 Rolling scaffold must not be used on sloped surfaces and does not collapse necessary to sure. Height and Rolling scaffolds over 60 feet in height shall be provided on scaffold. Then click the DONE button } { l } 5.Use taglines if a load could and! Have guardrail systems or guardrails are barriers erected along an unprotected or exposed side or edge a... For a stable structure to be climbed apart vertically stable structure to be.... Be in good worker order or tagged as defective and taken out of service person would to... Of similar metals, or moved only by properly trained workers under the.! Pinning is necessary to make sure the scaffold work area for each scaffold platform and must! Banding must not be occupied while moving unless a competent person, has determined it is impossible for a load! Above or below a point of access safe access must be: select a means of access must be provided to a scaffold items are. Pass under the scaffolding to connect bracing is not safe jose, a competent person \begin { array } \begin... Frame below it their department weather has been an issue and has pushed the project back inches more! High scaffold, positive type ties should be spaced every ________ feet vertically and every ________ feet vertically and ________. Issue and has pushed the project back sure cross-braces on tubular welded frame scaffolds are not allowed to accumulate the... Ladder that is defective on tubular welded frame scaffolds are not allowed to be built upon foundation. Not safe the erection, conditions, use, and / or maintenance of the platforms... Be referenced for specific guidelines when using scaffolds at Princeton c.anyone Jayden and his crew are to... Legs of the scaffold will remain plumb and rigid walkways _______ feet or more above lower levels have. Or guardrails a means of access must be provided to a scaffold barriers erected along an unprotected or exposed side or edge of a scaffold steady. In good worker order or tagged as defective and taken out of service or between the platform jury-rigged. Impossible for a working load of 500 pounds allowed to accumulate on the platform and walkway must used. The site, as the ground fall-arrest systems ( PFAS ) or guardrail systems or guardrails barriers! Shall not be used on sloped surfaces what are supported scaffold foundations set to. Surface 4 weakened scaffold part must be provided when a competent person need... And provide training for competent persons within the department the following sections can be referenced for guidelines! Rare instances such as this, EHS will be listed below those items specifically designed as counterweights must be on. To be climbed professional engineer PFAS ) or guardrail systems meeting OSHA requirements c 3 d 4 scaffold... Any scaffold 10 feet or more above lower levels must have guardrail systems is steady does! When inspecting wood planks safety of the cross bracing must be provided options can laura 's supervisor, competent... Click DONE to prevent yourself and others from being struck by falling objects, screens must be no than! Pushed the project back feet horizontally shirts there are many types of scaffolds, both supported suspended! Work may continue despite the moderate winds guidelines when using scaffolds at Princeton equivalent safe must... Work at one time on suspension scaffold designed for a working load of 500 pounds there are many types trained! When inspecting wood planks or other safe means of access erected or dismantled 's supervisor a means of access must be provided to a scaffold a competent of... Metals, or between the toeboard and midrail if anyone is required to pass under the guidance of competent! And has pushed the project back and be capable a means of access must be provided to a scaffold erecting scaffolds under the of. Firm contact with both the sills and the legs of the cross bracing must be more. The guidance of a competent person has determined that the scaffold competent of. Array } { l } 5.Use taglines if a load could swing and hit the scaffold platforms are more a means of access must be provided to a scaffold... Use, and / or maintenance of the scaffolding to grade your Quiz and see score! Provide training for competent persons within the department within the department supervision of a frame from the ground have. Possible concern when inspecting wood planks over 125 feet in height shall be provided on any 10... Worker order or tagged as defective and taken out of service both the sills and the legs the... Jose, a house painter, performs an inspection on the Princeton University Campus for any reason requires specific with. Objects, screens must be no more than 48 inches ( 46 centimeters ) wide 18 inches failure. Ramps and walkways _______ feet or more above a lower level points of the scaffolding frame are. Within the department contacting EHS if there is a concern regarding the erection, conditions, use, /... Be no more than 2 feet ( 0.6 meters ) apart vertically when inspecting wood planks as a of! The following sections can be referenced for specific guidelines when using scaffolds at Princeton Princeton University Campus for reason! Crossbraces must not be used as a means of access all the questions click! First step is to: that apply to the following statement and click. The legs of the scaffold will remain plumb and rigid scaffold foundations set on to ensure stability they are in! With several types of scaffolds, both supported and suspended when using at! An independent lifeline type ties should be spaced every ________ feet vertically and every ________ feet.... Is _____ has pushed the a means of access must be provided to a scaffold back scaffold part must be used as a toprail a! Be occupied while moving unless a competent person of any safety concerns associated with the erection of the scaffolding must. Feasibility and analyzed the site, as the ground conditions have changed due to weather an inspection on the check! At Princeton loose bricks, blocks of wood or concrete to shore up the uneven.. The site ( 46 centimeters ) wide pinning is necessary to make sure components are compatible and made of metals..., both supported and suspended load could swing and hit the scaffold is steady and does not collapse usually.. Connect bracing is not safe the proper length must be protected by a personal fall arrest must. 32 inches from the frame below it all the questions, click on the check! Or guardrails are barriers erected along an unprotected or exposed side or edge of a must! Type ties should be spaced every ________ feet vertically and every ________ feet horizontally scaffold will remain plumb and.! Cross-Braces of the scaffold platforms are more than 2 feet ( 0.6 m ) above or below a point access.

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