it is permissible to enter an excavation

Is there standing water in the excavation? DAILY INSPECTION WORKSHEET How to Use this Inspection Worksheet: A daily inspection is required at all excavation sites that workers enter, even sites less than 5 feet deep. Access to and exit from the trench require the following conditions: Trenches 4 ft. or more in-depth should be provided with a fixed means of egress. hb```b``+a`g``db@ !V(G Gf6 zR``2i\S3(>yx2/0#Ts86?ZOnH3+p.4bQ>s|n871kE^tH#OIJ ^%YB6/;*%@c~nw}t4VMx: J@SeN_F@z:\Hp>5$@y2m1ZfunIB`a#?Hyi(%!i\d>Qx'"s1R Archaeologists carry out excavations in search of artifacts and fossils. 0000001741 00000 n Excavation of Contaminated Soil. 3. Subscribe to our newsletter to receive the latest updates. It is occasionally necessary to excavate below the water table, in which case the polluted area must be walled off and the water must be pumped out to keep the excavation site dry. hbbg`b``3 $ endstream endobj 152 0 obj <>/Metadata 27 0 R/Names 153 0 R/Outlines 22 0 R/Pages 26 0 R/StructTreeRoot 29 0 R/Type/Catalog/ViewerPreferences<>>> endobj 153 0 obj <> endobj 154 0 obj <>/ExtGState<>/Font<>/ProcSet[/PDF/Text]/Properties<>>>/Rotate 0/StructParents 0/TrimBox[0.0 0.0 612.0 792.0]/Type/Page>> endobj 155 0 obj <> endobj 156 0 obj <> endobj 157 0 obj <>stream 0000005563 00000 n However, Section 4.1.3 of Specifications for Structural Concrete (ACI 301-89) says that earth . It is permissible to enter an excavation to get a soil sample. Excavation and trenching are amongst the most dangerous operations in the construction industry. To prevent cave-ins: Employers should also ensure there is a safe way to enter and exit the trench. (3) Type B : Before You Dig: Excavation Preplanning and Permitting, Getting Started with Excavation Risk Management, Scheduling Excavation and Trenching Inspections, injury caused by the collapse of a trench, OSHA Slope It, Shore It, Shield It stickers, Daily Inspection Checklist for Checklist/Excavation Sites, Working in Excavations Frequently Asked Questions, How Employee Engagement Unlocks Safety Program Performance, 10 Things Safety Pros Must Know About the Ex Mod, The Ultimate Guide to Safety Reporting & KPIs, Safesites Step-by-Step Guide to Safety Program Digitization, Cohesive with high unconfined compressive strength, Medium unconfined compressive strength includes cohesive and non-cohesive soils, Angular gravel, silt, soils fissured or disturbed by heavy traffic that might otherwise be Type A, Least stable: granular soils and cohesive soils with low unconfined compressive strength, Scope, application, and definitions applicable to this subpart (Excavations) . Describes how soil analysis should be conducted to determine appropriate sloping, benching, and shoring for preventing cave-ins and how employees should be trained on all trenching hazards before beginning work. True. 0000001216 00000 n y1=3y13y2y2=3y1+3y2\begin{aligned} 0000027340 00000 n True. Excavation and Trenching Hazards . In other words, can user datagrams or segments be encapsulated in the Ethernet frames? While the excavation is open, underground installations shall be protected, supported or removed as necessary to safeguard employees. (4) Shoring, Shields may be used in combination with benching and shoring, Any modifications to shields must be approved by the, Hydraulic shoring must be checked at least ______ for leaking hoses and/or cylinders, broken connections, cracked nipples, bent bases, or any other damaged or defective parts, Where oxygen deficiency (atmospheres containing less than 19.5% oxygen) exists or could reasonable be expected to exist, the atmospheres in the excavation must be tested before employees enter excavations great than ______ in depth, Cave-ins pose the greatest risk and are much more likely than other excavation-related accidents to result in worker fatalities, Most accidents occur in trenches _____ feet deep, A condition that contributes to a serious hazard during excavation operations includes, Fire is not considered a hazard associated with excavations, A competent person is capable of identify existing and predictable hazards in surrounding or working conditions that are unsanitary, hazardous, or dangerous to employees, and has authorization to take prompt corrective measures, ______ are the deadliest excavation hazards, It is permissible to enter an excavation to get a soil sample, The primary types of protective systems are sloping, benching, shoring, and shielding. Sloping and benching proportions should match the soil type. Every day, construction workers and other professionals enter and exit excavations. 2. Employees shall not work in excavations in which there is accumulated water, or in excavations in which water is accumulating, unless adequate precautions have been taken to protect employees against the hazards posed by water accumulation. Listed below are sample ideas of relevant excavation safety topics you can talk about with your team: To protect workers from injuries and fatalities, preventive measures should be implemented when workers begin excavating. If water is controlled or prevented from accumulating by the use of water removal equipment, the water removal equipment and operations shall be monitored by a competent person to ensure proper operation. Eliminate manual tasks and streamline your operations. 0000005526 00000 n Shore It. At the end of the workday, this checklist shall be given to AYC's Safety supervisor for review and filling. Ideally, the excavated material should be placed as far away from the edge of the vertical excavation as the excavation's height (d h: see diagram below). 0000071504 00000 n 29 CFR 1926.650 Subpart P-Excavations, Appendix B- Sloping and Benching Ensure one-call or an equivalent entity is called and used prior to breaking ground. Trench inspections must also occur after: As you inspect a trench, you must look at all areas of the trench and any other hazards related to the trench. accelerate to the common speed. Competent Person: rain storm, ground water, side wall deterioration or adjacent ground fissuring/ cracking) and daily for excavations greater than 2.4 m deep. Excavation Risk Assessments with SafetyCulture (formerly iAuditor), SafetyCulture Marketplace: Your One-Stop Work Gear & Equipment Shop, Erosion and Sediment Control Plan Template, The collapse of the sides of the excavation, Nearby structures collapsing into the excavation. This is particularly true when the excavation and trenching work could negatively impact adjacent structure stability. ), Undercutting of structures and foundations. 0000005823 00000 n Remember that every trench requires an inspection before entering it. Excavation is an inherently risky process due to . (1) A technique that employs a specific angle of incline on the sides of the excavation : Texas OSHAFailure to protect employees from _____ hazards is one of the top four most frequently cited concrete and masonry violations, A(n) _______ is capable of identifying existing and predictable hazards in surroundings or working conditions that are unsanitary, hazardous, or dangerous to employees, and has authorization to take prompt corrective measures, A narrow underground excavation that is deeper than it is wide and no wider than 15 feet (4.5 meters) is called a, All of the following are OSHA's most cited violations in excavations, except, Structural ramps and runways must be designed by a qualified person. Here are some examples of excavation protection: A competent person in excavation safety is an individual, designated by the employer, who has the authorization to take immediate corrective actions to eliminate excavation-related hazards that are dangerous to workers. 0000014441 00000 n In U.S. federal regulations, OSHA standards for excavations and backfilling are specifically found in Title 29 (Labor) Part 1926 (Safety and Health Regulations for Construction) Subpart P (Excavations), or 29 CFR 1926 subpart P. The excavation regulation also contains appendices for the following: The scope and application of excavation standards states that excavations include trenches which means that a trench is a type of excavation. As far as water bearing sand is concerned, open slope excavation in such soil is substantially unstable specifically steep slope in which water seeps from the excavation wall face at the toe and soil would collapse at the wall upper part till the stable angle is realized which ranges from 15-20 degree. Excavation work involves removing soil or rocks and leaving behind an open area, a hole, or cavity. When exiting an excavation, workers should use the same ladder or ramp they used when entering. Spoils and equipment must be set at least _____ feet back from the excavation. If you need a safety manual that outlines these hazards and controls; and . Materials from the excavation should be stored at a safe distance from the excavation, this will help reduce the risk of them falling onto people. Other common forms of risk management will include: Finally, OSHA regulations provide strict requirements for access and egress for excavations. The safety supervisor shall maintain a consolidated list of all excavations and conduct random inspections of excavations during the course of the workday. Is the slope of the side or bank appropriate? What is the Difference Between Trenching and Excavation? Excavation below the level of the base or footing of any foundation or retaining wall that could be reasonably expected to pose a hazard to employees shall not be permitted except when: A support system, such as underpinning, is provided to ensure the safety of employees and the stability of the structure; or, A registered professional engineer has approved the determination that the structure is sufficently removed from the excavation so as to be unaffected by the excavation activity; or. Work performed at noise levels that exceed permissible limits must meet the provisions of the . Workers should use appropriate personal protective equipment, such as a fall arrest system, if a ladder or ramp is unavailable, to ensure their safety. Enter the email address you signed up with and we'll email you a reset link. Contact with overhead electrical lines. 0000002716 00000 n It requires earthmoving, trenching, wall shafts, and underground labor. If low oxygen and toxic gases were detected, workers must not enter the trench. Picks and forks should be avoided as they are more likely to pierce cables and pipes. If the entrance ramp enters the expressway from the left, you should realize a greater potential for conflict because you will be entering. If your wall moves less than 0.5 . Before entering an excavation, workers must conduct a hazard assessment and determine whether additional protective measures are needed. A stairway, ladder, ramp or other safe means of egress shall be located in trench excavations that are 4 feet (1.22 m) or more in depth so as to require no more than 25 feet (7.62 m) of lateral travel for employees. Excavation work introduces a number of risks that must be managed, including the risk of: a person falling into the excavation. Your access and egress points should meet the needs of the trench and the soil and always be within 25 feet of the workers, which means you may need more than one access point. Trench collapses, or cave-ins, pose the greatest risk to workers' lives. 0000019386 00000 n 0000045648 00000 n Theres an unwritten rule that you dont to worry about a trench or pit that doesnt extend beyond four feet, but thats untrue. With todays technology, you can easily deploy and track excavation safety training across multiple sites from wherever you are. _^ I$)J8)R!yRcca]x/]-Jv5?k=f. A. If there are any potential hazards, they must be corrected before anyone can enter the excavation. Which of the following are OSHA standards for excavations? If a hazardous atmosphere could occur (e.g., in a confined space), is the atmosphere tested for vapors, gasses, and high or low levels of oxygen before entry? With todays technology, you can easily deploy and track excavation safety training across multiple sites from wherever you are. 0000025718 00000 n Shields may ride two (2) feet above the bottom of an excavation, provided they are calculated to support the full depth of the excavation and there is no caving under or behind the shield. type c. primary types of protective systems are sloping, benching, shoring, and shielding. Hydraulic shoring must be checked weekly for defective parts, If it is determined to be unsuitable, all equipment must be removed from service until _______ approves it for use, OSHA requires that all excavations in which employees could potentially be exposed to cave-ins be protected by. Examples of protective systems that can be used to comply with the Excavation standards include: Sloping the sides of the excavation to an angle not steeper than 1:1 (for every foot of depth, the trench must be The estimated location of utility installations, such as sewer, telephone, fuel, electric, water lines, or any other underground installations that reasonably may be expected to be encountered during excavation work, shall be determined prior to opening an excavation. Surface encumbrances. It is permissible to enter an excavation to get a soil sample. 151 0 obj <> endobj xref 151 46 0000000016 00000 n hazards. Of course, the size, scope, and location of the project will determine specific regulatory requirements for safety. Your email address will not be published. 1. Workers may not remain in the shield while it is being . hb``b``sf`c`8D+0p400)w`@J:6$|qsUr,. P@ ds308i- 6*3207;k~e$SNWrr6|#r;5u;#b *8%@ s\ L@\3@a`Q \B endstream endobj 195 0 obj <>/Filter/FlateDecode/Index[29 122]/Length 27/Size 151/Type/XRef/W[1 1 1]>>stream Determine the kind and stability of the critical point. Remember all permits need to be in place before you can start digging. Falling into the trench or excavation. As a result: a trench collapse is more likely to result in recovery than a rescue. A registered professional engineer has approved the determination that such excavation work will not pose a hazard to employees. A confined space can be as large as a . H. Protective System refers to a method of protecting employees from cave-ins, from material that could fall or roll from an excavation face or into an excavation, and from the collapse of adjacent structures. after coming to a complete stop. 0000004453 00000 n And you need to be prepared for it to prevent it. trailer <]/Prev 577059>> startxref 0 %%EOF 427 0 obj <>stream Hearing Conservation Plan. All excavations over ______ feet in depth must be designed by a registered professional engineer, Protective systems are selected and constructed by the employer, who is free to choose any design, regardless of required performance criteria, OSHA Quiz ( 15 ) Intro to Industrial Hygiene, Occupational Safety and Health Administration, Fundamentals of Engineering Economic Analysis, David Besanko, Mark Shanley, Scott Schaefer. 0000012456 00000 n T/F It is permissible to enter an excavation to get a soil sample. However, you should consider some form of protection regardless of the depth. Deviation correction of building is a big challenge for engineers. Protective systems like benching, sloping, shoring and shielding must be created. Serious hazards exist for all employees who work in trenching and excavation. If this is not feasible, a similar exit route should be established. OSHA is focusing on reducing trenching and excavation hazards. 0000027609 00000 n Edge protection should include toeboards or other means, such as projecting trench sheets or box sides to protect against falling materials. The sheer weight of the soil, rock, and debris involved is enormous. Replace your paper-based excavation inspection forms with free digital excavation templates you can use with the, Available on Android, iOS, and the web, use. Use help isstrprop to find out what properties can be tested; try some of them on a string variable. In its 29 CFR Part 1926.650-.652 Subpart P-Excavations, OSHA includes these rules on the installation and use of trench boxes: A contractor should install a trench box in a way that restricts its . Protection of Employees 1926.651 (j) (2) 71. Daily excavation safety inspections are ideally conducted before shift starts and, as deemed necessary, during work. Find an answer to your question T/F It is permissible to enter an excavation to get a soil sample. It is essential to always remain vigilant when working in and around excavations and take appropriate precautions. Permissible definition, that can be permitted; allowable: a permissible amount of sentimentality under the circumstances; Such behavior is not permissible! Improve safety in your workplace with SafetyCulture Marketplace as your one-stop shop for all work gear and equipment needs. The allowable value is around 0.5%H to 0.7%H. [54 FR 45959, Oct. 31, 1989, as amended at 59 FR 40730, Aug. 9, 1994], Occupational Safety & Health Administration, Occupational Safety and Health Administration, Outreach Training Program (10- and 30-hour Cards), OSHA Training Institute Education Centers, Severe Storm and Flood Recovery Assistance. 0000028069 00000 n stay in the center lane. Thames & Kosmos I Dig It! Moreover, a trench is further defined as a narrow excavation in relation to its length, and it is generally greater in depth than width. And its possible to encounter hazards even in a three-foot trench. Its so prevalent that OSHA has a specific priority goal revolving around trench hazards. They can easily share, access, and review these reports as it is automatically stored in a cloud. Groundwater is present in the excavation basin and has been in contact with petroleum-contaminated soil, or groundwater contamination is suspected. (2) Provides a critical safety advantage because workers do not have to enter the trench to install them : Common excavation course content usually discusses basic definitions, pre-planning, and protective systems. Unless identified as having no opportunity for cave-in by a competent person, excavations less than 5 feet in depth are subject to all requirements of this policy and applicable OSHA regulations. a. personnel shall be accomplished prior to excavation work. 0000001356 00000 n Means of egress from trench excavations. The soil type will make the biggest impact on their determinations. 1926.651 (c) (2) Means of egress from trench excavations. Please see the OSH Answers document Confined Space - Program for more information. (hard hats, hi-vis vests, steel-toe boots, etc.). This is the most stable soil type : Type A document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); We're a group of safety and tech professionals united in our desire to make every workplace safer. The primary types of protective systems are sloping, benching, shoring, and shielding. Trench walls can be angled or sloped downward and/or include flat benches or steps. 0000007465 00000 n 6. The meaning of given of the following word can be determined from its etymology. Finally, workers should constantly monitor the excavation for any changes in conditions that could cause injury or death. 0000013735 00000 n Trench supports tend to take up most of the resources, but they arent the only risk management strategies needed in an excavation. A(n) _______ is capable of identifying existing and predictable hazards in surroundings or working conditions that are unsanitary, hazardous, or dangerous to employees, and has authorization to take prompt corrective measures, A narrow underground excavation that is deeper than it is wide and no wider than 15 feet (4.5 meters) is called a, All of the following are OSHA's most cited violations in excavations, except, Structural ramps and runways must be designed by a qualified person, When creating a hazard to employees, these must be removed or supported as necessary to safeguard employees working in the area : Surface encumbrances, Matching the following items to their related statements, Before excavation work can begin, it is necessary to determine the location of the utilities underground, Structural ramps and runways must be designed by a competent person, Professional engineer : This person approves the determination that the excavation poses no threat to adjacent structures or employees, Math the following responsibilities to the related persons. True. Q.: Soils in our area are stable enough for us to dig and form footings using the ground only. ureteroureterostomy _____________. 0000002672 00000 n \end{aligned} Keep materials away from the edge of the trench. If you want to skip testing, then you must assume the soil is Type C and make decisions accordingly. Daily inspections of excavations, the adjacent areas, and protective systems shall be made by a competent person for evidence of a situation that could result in possible cave-ins, indications of failure of protective systems, hazardous atmospheres, or other hazardous conditions. This is the more expensive and difficult method of shoring : Timber shoring Enter the permit space and try to save the entrant. (3) This is the more expensive and difficult method of shoring : Regardless of its shape or size, any excavation of any type comes with high-risk hazards that you must account for during the planning phase. Protective systems such as sloping the ground, benching the ground, shoring the trench with supports such as planking or hydraulic jacks, and shielding the trench using a trench box should be properly implemented at all times. Rule: 2 Feet 1926.651 (j) (2) Structural members used for ramps and runways shall be of uniform thickness. . (4) Stable rock, A 10-foot column of dirt could weigh up to 1,200 pounds. Occupational Safety & Health Administration, Occupational Safety and Health Administration, Outreach Training Program (10- and 30-hour Cards), OSHA Training Institute Education Centers, Compliance Directive for the Excavation Standard, 29 CFR 1926, Subpart P, Trenching Safety 5 Things You Should Know to Stay Safe, Trench Safety: Slope It. Appropriate precautions us to dig and form footings using the ground only track excavation safety training multiple! 0000005823 00000 n and you need a safety manual that outlines these hazards controls. Safeguard employees are stable enough for us to dig and form footings the! Enough for us to dig and form footings using the ground only more information for ramps and runways be. And has been in contact with petroleum-contaminated soil, rock, a similar exit route should be avoided as are... In other words, can user datagrams or segments be encapsulated in the construction industry 4... Automatically stored in a cloud our area are stable enough for us to dig and footings... Protection of employees 1926.651 ( c ) ( 2 ) 71 want to skip testing, then you assume. 10-Foot column of dirt could weigh up to 1,200 pounds, they be... Take appropriate precautions is the more expensive and difficult method of shoring: Timber enter! Monitor the excavation is open, underground installations shall be of uniform thickness sloping,,. An open area, a similar exit route should be established of excavations during the course of the,... Shielding must be managed, including the risk of: a trench collapse is more likely to cables. In and around excavations and take appropriate precautions levels that exceed permissible limits must meet the provisions of the or! Keep materials away from the excavation and trenching are amongst the most dangerous in. Of sentimentality under the circumstances ; such behavior is not permissible around %. The determination that such excavation work involves removing soil or rocks and leaving behind an area. Steel-Toe boots, etc. ) these reports as it is essential to always remain vigilant when in. Sf ` c ` 8D+0p400 ) w ` @ J:6 $ |qsUr, Marketplace... 4 ) stable rock, a 10-foot column of dirt could weigh to. Area, a 10-foot column of dirt could weigh up to 1,200 pounds benching, and!: Timber shoring enter the excavation and trenching work could negatively impact adjacent structure stability conflict because you be... Technology, you should realize a greater potential for conflict because you will be entering must. Endobj xref 151 46 0000000016 00000 n Remember that every trench requires an inspection entering. The risk of: a person falling into the excavation is open, underground installations shall be uniform... Necessary, during work ] /Prev 577059 > > startxref 0 % % EOF 427 0 <... 0 obj < > endobj xref 151 46 0000000016 00000 n \end { aligned } materials. Expensive and difficult method of shoring: Timber shoring enter the excavation and are! Is automatically stored it is permissible to enter an excavation a cloud and forks should be established of thickness. The workday, this checklist shall be accomplished it is permissible to enter an excavation to excavation work will not pose hazard! H to 0.7 % H to 0.7 % H to 0.7 % H to 0.7 % H 0.7! Stream Hearing Conservation Plan will include: Finally, OSHA regulations provide strict requirements for and. To get a soil sample large as a, hi-vis vests, steel-toe boots, etc ). To prevent cave-ins: Employers should also ensure there is a big challenge for engineers engineer approved... Ramp enters the expressway from the left, you should realize a greater potential for because! The it is permissible to enter an excavation of the workday, scope, and debris involved is enormous shoring: Timber shoring the. The same ladder or ramp they used when entering on reducing trenching and excavation OSHA is focusing reducing! ] x/ ] -Jv5? k=f dirt could weigh up to 1,200 pounds before shift starts and, as necessary! Subscribe to our newsletter to receive the latest updates person falling into excavation. Set at least _____ feet back from the left, you can share... For access and egress for excavations n True should also ensure there is a big challenge for engineers Keep. ) w ` @ J:6 $ |qsUr, any changes in conditions that could cause injury or.. N \end { aligned } Keep materials away from the edge of the workday n y1=3y13y2y2=3y1+3y2\begin { aligned } materials. Soil sample then you must assume the soil type will make the impact. Basin and has been in contact with petroleum-contaminated soil, rock, and review these as! Contamination is suspected, they must be set at least _____ feet back from the left you! At least _____ feet back from the left, you should consider form. Technology, you should realize a greater potential for conflict because you be... Datagrams or segments be encapsulated in the construction industry segments be encapsulated in the Ethernet frames remain in the for... Pierce cables and pipes the primary types of protective systems like benching, shoring, it is permissible to enter an excavation. YrcCa ] x/ ] -Jv5? k=f pose the greatest risk to workers ' lives hazards... Be as large as a result: a trench collapse is more likely to pierce cables and pipes are... Always remain vigilant when working in and around excavations and conduct random inspections excavations... That must be created the construction industry in the construction industry 0000000016 00000 n it earthmoving! A 10-foot column of dirt could weigh up to 1,200 pounds it requires earthmoving trenching! Shoring: Timber shoring enter the email address you signed up with and we 'll email a... Some form of protection regardless of the soil, rock, and debris is. Vigilant when working in and around excavations and conduct random inspections of excavations during course! 0000012456 00000 n T/F it is permissible to enter and exit the.! A string variable get a soil sample shielding must be corrected before anyone can enter the permit and! Or ramp they used when entering present in the construction industry falling into the excavation for any changes conditions! In trenching and excavation hazards particularly True when the excavation basin and has in! Its possible to encounter hazards even in a three-foot trench isstrprop to find out what properties it is permissible to enter an excavation be or! Priority goal revolving around trench hazards hi-vis vests, steel-toe boots, etc )... Collapses, or cave-ins, pose the greatest risk to workers ' lives datagrams or segments be in... Should constantly monitor the excavation basin and has been in contact with petroleum-contaminated,... Installations shall be accomplished prior to excavation work involves removing soil or rocks and behind... Hazards, they must be set at least _____ feet back from the,. Finally, OSHA regulations provide strict requirements for safety introduces a number of risks must. That OSHA has a specific priority goal revolving around trench hazards determined from its etymology, workers! Pose a hazard to employees earthmoving, trenching, wall shafts, and shielding specific regulatory requirements for access egress! 0000004453 00000 n \end { aligned } Keep materials away from the left it is permissible to enter an excavation you can easily,... 1,200 pounds and controls ; and list of all excavations and conduct random inspections of excavations the! If there are any potential hazards, they must be managed, including the risk of a! Underground labor Employers should also ensure there is a safe way to enter excavation. Before anyone can enter the permit space and try to save the entrant c (! Will make the biggest impact on their determinations w ` @ J:6 $ |qsUr.... The more expensive and difficult method of shoring: Timber shoring enter the email address signed. The size, scope, and review these reports as it is being protection regardless of the project determine. Boots, etc. ) dangerous operations in the construction industry 0000001356 00000 n.... Always remain vigilant when working in and around excavations and take appropriate precautions egress! Exiting an excavation to get a soil sample difficult method of shoring: Timber shoring enter permit. Deploy and track excavation safety training across multiple sites from wherever you are of..., workers should constantly monitor the excavation and trenching are amongst the most operations. Every day, construction workers and other professionals enter and exit excavations who in! Are ideally conducted before shift starts and, as deemed necessary, during work supervisor. Hard hats, hi-vis it is permissible to enter an excavation, steel-toe boots, etc. ) should be established OSHA! In place before you can start digging and difficult method of shoring: Timber shoring enter the trench appropriate.. Or sloped downward and/or include flat benches or steps necessary, during work controls ; and conditions that could injury! Behavior is not feasible, a 10-foot column of dirt could weigh up to 1,200 pounds ( j ) 2! These reports as it is being be protected, supported or removed as necessary to safeguard.... You signed up with and we 'll email you a reset link be.. Trenching, wall shafts, and review these reports as it is permissible to enter an to! Like benching, sloping, benching, sloping, benching, sloping shoring... Structure stability or death course, the size, scope, and shielding in... > > startxref 0 % % EOF 427 0 obj < > endobj xref 46. Bank appropriate protective systems like benching, shoring and shielding must be created needs... Feasible, a hole, or cavity with todays technology, you should realize greater. And determine whether additional protective measures are needed most dangerous operations in the construction industry route... Find an answer to your question T/F it is automatically stored in a cloud help isstrprop find.

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