JHA for concrete placement

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- 91 (2) An employer shall provide high visibility safety apparel that meets the requirements of CSA standard Z96-15 (R2020), High-visibility safety apparel or a standard offering equivalent or better protection to any employee who is exposed to a risk of injury from vehic -ular traffic, powered mobile equipment, industrial lift trucks or mobile cranes, and the employee shall wear the apparel. - 91 (3) An employer shall provide and all signalers shall use reflectorized paddles to control the flow of traffic. 2024-38 ## Construction on highway or bridge - 92 (1) Where construction is being carried out on a highway or bridge and an employee's safety may be en -dangered by vehicular traffic, an employer shall ensure that - (a) concrete barriers or material offering equivalent protection is erected at both ends of the construction and as a divider between the traffic and the work area of the highway or bridge, and - (b) appropriate lane control devices and flashing lights or flares are used. - 92 (2) Paragraph (1)(a) does not apply where the high -way or bridge is being paved. ## Material along excavation or trench and vehicular traffic - 93 (1) Where material is piled along the sides of any excavation or trench and interferes with the flow of ve -hicular traffic, an employer shall ensure that the material is adequately illuminated by warning lights or reflective materials. - 93 (2) Where work is being carried out and interferes with the flow of vehicular traffic, an employer shall en -sure that adequate warning signs are posted in both di -rections as indicated in the following table and at any in -tersection between the warning sign and the work area: Posted speed (km/hr) Distance of Warning Sign from Work Area (m) - 91 (2) L'employeur fournit des vêtements de sécurité à haute visibilité qui satisfont aux exigences que prévoit la norme Z96-15 (C2020) de la CSA, intitulée Vêtements de sécurité à haute visibi…

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91-191 2001-33 2001-33 ## Curbing for truck platform scale 93.1 Where a truck platform scale is elevated from the adjacent terrain, an employer shall ensure that a curbing having a minimum height of 250 mm and of sufficient design to safely guide the truck wheels onto the scale is installed and maintained on each side of the scale. 2001-33 ## Repealed 94 Repealed: 2001-33 2001-33 ## Formwork and Shoring 96-61 ## Formwork and shoring 94.1 (1) In this section 'form' means the mould into which concrete is poured; ( moule ) 'formwork' means a system of forms connected to -gether; ( coffrage ) 'shoring' means the structural supports and bracing used to support all or part of a form. ( étançons ) 94.1 (1.1) An employer shall ensure that concrete pumps and placing booms that are used to make form -work are installed, erected, inspected, operated and maintained in accordance with CSA standard Z151-09 (R2014), Concrete pumps and placing booms or a stand -ard offering equivalent or better protection. 94.1 (2) An employer shall ensure that formwork and shoring are designed by an engineer and are erected in accordance with design drawings prepared by the engi -neer. 94.1 (3) An employer shall ensure that the design drawings referred to in subsection (2) ## Bordure pour plate-forme de pesée des camions 93.1 Lorsque la plate-forme de pesée des camions est élevée par rapport au terrain adjacent, l'employeur doit s'assurer qu'une bordure d'une hauteur minimale de 250 mm et d'une forme suffisante pour guider en toute sécurité les roues du camion sur la bascule est installée et maintenue des deux côtés de la bascule. 2001-33 Abrogé 94 Abrogé : 2001-33 2001-33 ## Coffrage et étançons 96-61 ## Coffrages et étançons 94.1 (1) Dans le présent article « moule » désigne le moule dans lequel est versé le béton; ( form ) « coffrage » désigne l'ensemble des moules reliés en -tre eux; ( formwork ) « étançons » désigne les dis…

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- (a) are kept on the project site, and - (b) are made available to an officer on request. - 94.2 (5) Where structural framework is being erected, - (a) an employer shall ensure that all persons not en -gaged in the erection of the structural framework are clear of the immediate work area and have been in -structed to remain clear until the structural framework is stabilized, and - (b) any person not engaged in the erection of the structural framework shall remain clear of the imme -diate work area until the structural framework is stabi -lized, unless adequate precautions have been taken to ensure the safety of all persons in the immediate work area. 96-61; 2022-27; 2024-38 ## Buildings and Structures ## Construction of buildings and structures - 95 (1) Where a building or structure is being con -structed, an employer and a contractor shall each ensure that - (a) work is completed on any component designed to support or give added support to a part of the build -ing or structure before proceeding with any work that adds to the load on that part, - (b) an unstable wall of brick, concrete blocks or similar materials is adequately braced from both sides until the wall is attached to a rigid structure and the mortar has set adequately, - (c) an unstable wall or structure designed to support roof components or any load is braced from both sides until the wall or structure is stabilized, and - (d) an unstable reinforced steel wall, pier, column or similar vertical structure is adequately supported to prevent the wall, pier, column or structure from over -turning or collapsing. - a) se trouvent sur les lieux du chantier, et - b) soient mis à la disposition de l'agent, sur de -mande. - 94.2 (5) Lorsque s'effectue le montage de la charpente, - a) l'employeur doit s'assurer que les personnes qui ne sont pas chargées du montage se tiennent à l'écart de l'aire de travail où s'effectuent les travaux de mon -tage…

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Oregon Occupational Safety and Health Division Oregon Administrative Rules Division 3 Running bond (half bond) is a bond pattern in which block are placed half way over units directly below creating a staggered look. - Safe location is an area at a jobsite that employees can take refuge in order to avoid hazardous conditions. - Stack bond is a bond pattern in which blocks are stacked directly over each other (not lapped longitudinally) creating continuous joints both vertically and horizontally. - Straight coil loop insert is a wall insert that loops around the structural rebar and is suitable for the attachment of braces in a structural masonry wall. Minimum size of a coil loop insert is 3/4 inch. Structural rebar is rebar that extends full length or height and can be spliced per required lap. Stat. Auth.: ORS 654.025(2) and 656.726(4). Stats. Implemented: ORS 654.001 through 654.295. Hist: OR-OSHA Admin. Order 1-2003, f.1/30/03, ef. 4/30/03. ## 1926.701 General Requirements - (a) Construction loads. No construction loads shall be placed on a concrete structure or portion of a concrete structure unless the employer determines, based on information received from a person who is qualified in structural design, that the structure or portion of the structure is capable of supporting the loads. - (b) Reinforcing steel. All protruding reinforcing steel, onto and into which employees could fall, shall be guarded to eliminate the hazard of impalement. - (c) Post-tensioning operations. - (1) No employee (except those essential to the post-tensioning operations) shall be permitted to be behind the jack during tensioning operations. - (2) Signs and barriers shall be erected to limit employee access to the posttensioning area during tensioning operations. - (d) Riding concrete buckets. No employee shall be permitted to ride concrete buckets. - (e) Working under loads.

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- (H) Hydraulic system for proper fluid level; - (I) Tires for proper inflation and condition; - (J) Ground conditions around the hoisting equipment for proper support, including ground settling under and around outriggers, ground water accumulation, or similar conditions; - (K) The hoisting equipment for level position; and - (L) The hoisting equipment for level position after each move and setup. - (10) 29 C.F.R. §1926.753(c)(1)(iv) is amended to read as follows: The operator shall be responsible for those operations under the operator's direct control. Whenever there is any doubt as to safety, the operator shall have the authority to stop and refuse to handle loads, in accordance with section 12-577(b), until safety has been assured. - (11) 29 C.F.R. §1926.753(c)(5)(i) is amended to read as follows: During the hoisting and placing of purlins and single joists when the rigger, who shall be a qualified rigger, has determined that safety latched on hooks are a greater hazard, or - (12) 29 C.F.R. §1926.753(d)(1) is amended to read as follows: Routes for suspended loads shall be preplanned by the controlling contractor to ensure that no employee is required to work directly below a suspended load except for: - (A) Employees engaged in the initial connection of the steel; or - (B) Employees necessary for the hooking or unhooking of the load.

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- (a) identify the components, if manufactured form -work and shoring are used, - (b) show the size, grade and specifications of mate -rials to be used, if the formwork and shoring are to be constructed on the project site, - (c) show the design loads for the formwork and shoring and detail the bracing and external ties re -quired to adequately support the design loads, - (d) show the attachment points for rigging and hoisting, if the formwork and shoring are to be moved as a unit, - (e) set out the erection instructions specified by the manufacturer or the engineer, - (f) indicate the method, the sequence and the rate of pouring concrete, and - (g) bear the signature and seal of the engineer. - 94.1 (4) An employer shall ensure that the design drawings referred to in subsection (2) - (a) are kept on the project site, and - (b) are made available to an officer on request. - 94.1 (4.1) If an object protruding from concrete or any other surface may endanger an employee, the protrusion shall be removed, cut off at the surface or otherwise pro -tected as soon as the circumstances permit. - 94.1 (5) An employer shall ensure that the formwork and shoring are erected, supported and braced so that they are capable of withstanding all loads and forces likely to be applied to them - (a) without exceeding the allowable working loads established for any component of the structure, and - (b) without causing uplifting, sliding, overturning or lateral displacement of the system. - 94.1 (6) The allowable working loads referred to in paragraph (5)(a) shall be established by an engineer in accordance with good engineering practice. - a) identifient les composantes d'un coffrage et des étançons préfabriqués, - b) identifient les dimensions, la qualité et les parti -cularités des matériaux utilisés lorsque le coffrage et les étançons sont assemblés sur le chantier, - c) indiquent les charges de calcul devant êt…

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Oregon Occupational Safety and Health Division Oregon Administrative Rules <!-- image --> Division 3 - (e) Concrete pumping systems. - (1) Concrete pumping systems using discharge pipes shall be provided with pipe supports designed for 100 percent overload. - (2) Compressed air hoses used on concrete pumping system shall be provided with positive fail-safe joint connectors to prevent separation of sections when pressurized. - (f) Concrete buckets. - (1) Concrete buckets equipped with hydraulic or pneumatic gates shall have positive safety latches or similar safety devices installed to prevent premature or accidental dumping. - (2) Concrete buckets shall be designed to prevent concrete from hanging up on top and the sides. - (g) Tremies. Sections of tremies and similar concrete conveyances shall be secured with wire rope (or equivalent materials) in addition to the regular couplings or connections. - (h) Bull floats. Bull float handles, used where they might contact energized electrical conductors, shall be constructed of nonconductive material or insulated with a nonconductive sheath whose electrical and mechanical characteristics provide the equivalent protection of a handle constructed of nonconductive material. - (i) Masonry saws. - (1) Masonry saws shall be guarded with a semicircular enclosure over the blade. - (2) A method for retaining blade fragments shall be incorporated in the design of the semicircular enclosure. - (j) Lockout/Tagout Procedures. - (1) No employee shall be permitted to perform maintenance or repair activity on equipment (such as compressors, mixers, screens or pumps used for concrete and masonry construction activities) where the inadvertent operation of the equipment could occur and cause injury, unless all potentially hazardous energy sources have been locked out and tagged. - (2) Tags shall read Do Not Start or similar language to indicate that the equipment is not to be operated.

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Stat. Auth.: ORS 654.025(2) and 656.726(3). Hist: APD Admin. Order 8-1989, f. 7/7/89, ef. 7/7/89. OR-OSHA Admin. Order 6-1991, f. 3/18/91, ef. 4/15/91. <!-- image --> Division 3 AO 1-2003 Oregon Administrative Rules Oregon Occupational Safety and Health Division - (7) The predetermined safe rate of lift shall not be exceeded. - (d) Reinforcing steel. - (1) Reinforcing steel for walls, piers, columns, and similar vertical structures shall be adequately supported to prevent overturning and to prevent collapse. - (2) Employers shall take measures to prevent unrolled wire mesh from recoiling. Such measures may include, but are not limited to, securing each end of the roll or turning over the roll. - (e) Removal of formwork. - (1) Forms and shores (except those used for slabs on grade and slip forms) shall not be removed until the employer determines that the concrete has gained sufficient strength to support its weight and superimposed loads. Such determination shall be based on compliance with one of the following: - (i) The plans and specifications stipulate conditions for removal of forms and shores, and such conditions have been followed, or - (ii) The concrete has been properly tested with an appropriate ASTM standard test method designed to indicate the concrete compressive strength, and the test results indicate that the concrete has gained sufficient strength to support its weight and superimposed loads. - (2) Reshoring shall not be removed until the concrete being supported has attained adequate strength to support its weight and all loads in place upon it. [53 FR [redacted postal code], June 16, 1988, as amended at 61 FR 5510, Feb. 13, 1996] Stat. Auth.: ORS 654.025(2) and 656.726(3). Hist: APD Admin. Order 8-1989, f. 7/7/89, ef. 7/7/89. OR-OSHA Admin. Order 6-1991, f. 3/18/91, ef. 4/15/91.

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<!-- image --> Division 3 AO 1-2003 Oregon Administrative Rules Oregon Occupational Safety and Health Division - (1) No employee shall be permitted to work under concrete buckets while buckets are being elevated or lowered into position. - (2) To the extent practical, elevated concrete buckets shall be routed so that no employee, or the fewest number of employees, are exposed to the hazards associated with falling concrete buckets. - (f) Personal protective equipment. No employee shall be permitted to apply a cement, sand, and water mixture through a pneumatic hose unless the employee is wearing protective head and face equipment. [53 FR [redacted postal code], June 16, 1988, as amended at 59 FR [redacted postal code], Aug. 9, 1994] Stat. Auth.: ORS 654.025(2) and 656.726(3). Hist: APD Admin. Order 8-1989, f. 7/7/89, ef. 7/7/89. OR-OSHA Admin. Order 6-1991, f. 3/18/91, ef. 4/15/91. OR-OSHA Admin. Order 6-1995, f. 4/18/95, ef. 6/1/95. ## 1926.702 Requirements for Equipment and Tools - (a) Bulk cement storage. - (1) Bulk storage bins, containers, and silos shall be equipped with the following: - (i) Conical or tapered bottoms; and - (ii) Mechanical or pneumatic means of starting the flow of material. - (2) No employee shall be permitted to enter storage facilities unless the ejection system has been shut down, locked out, and tagged to indicate that the ejection system is not to be operated. - (b) Concrete mixers. Concrete mixers with one cubic yard (.8 m 3 ) or larger loading skips shall be equipped with the following: - (1) A mechanical device to clear the skip of materials; and - (2) Guardrails installed on each side of the skip. - (c) Power concrete trowels. Powered and rotating type concrete troweling machines that are manually guided shall be equipped with a control switch that will automatically shut off the power whenever the hands of the operator are removed from the equipment handles. - (d) Concrete buggies. Concrete buggy handles shall not extend b…

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<!-- image --> Division 3 AO 1-2003 Oregon Administrative Rules Oregon Occupational Safety and Health Division Stat. Auth.: ORS 654.025(2) and 656.726(3). Hist: APD Admin. Order 4-1989, f. 3/31/89, ef. 5/1/89 (temp). APD Admin. Order 8-1989, f. 7/7/89, ef. 7/7/89 (perm). ## 1926.703 Requirements for Cast-in-place Concrete - (a) General requirements for formwork. - (1) Formwork shall be designed, fabricated, erected, supported, braced and maintained so that it will be capable of supporting without failure all vertical and lateral loads that may reasonably be anticipated to be applied to the formwork. Formwork which is designed, fabricated, erected, supported, braced and maintained in conformance with the Appendix to this section will be deemed to meet the requirements of this paragraph. - (2) Drawings or plans, including all revisions, for the jack layout, formwork (including shoring equipment), working decks, and scaffolds, shall be available at the jobsite. - (b) Shoring and reshoring. - (1) All shoring equipment (including equipment used in reshoring operations) shall be inspected prior to erection to determine that the equipment meets the requirements specified in the formwork drawings. - (2) Shoring equipment found to be damaged such that its strength is reduced to less than that required by 1926.703(a)(1) shall not be used for shoring. - (3) Erected shoring equipment shall be inspected immediately prior to, during, and immediately after concrete placement. - (4) Shoring equipment that is found to be damaged or weakened after erection, such that its strength is reduced to less than that required by 1926.703(a)(1), shall be immediately reinforced. - (5) The sills for shoring shall be sound, rigid, and capable of carrying the maximum intended load. - (6) All base plates, shore heads, extension devices, and adjustment screws shall be in firm contact, and secured when necessary, with the foundation and the form. - (7) Eccentric loads on shore heads and simila…

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- 94.1 (7) An employer shall ensure, before concrete is poured, - (a) that the formwork and shoring are inspected by an engineer, or a competent person designated by the employer, and - (b) that the engineer, or the competent person desig -nated by the employer, as the case may be, authorizes the pour in writing. - 94.1 (8) An employer shall ensure that the written au -thorization referred to in paragraph (7)(b) - (a) is kept on the project site, and - (b) is made available to an officer on request. - 94.1 (9) An employer shall ensure that the formwork and shoring are not removed unless - (a) the concrete is strong enough to support itself and any loads that may be applied to it, or - (b) the concrete is adequately reshored. - 94.1 (10) Where concrete is reshored under para -graph (9)(b), subsections (2), (3), (4), (5) and (6) apply, with the necessary modifications, to the reshoring. - 94.1 (11) Subsections (2), (3), (4), (5), (6), (7), (8), (9) and (10) do not apply where formwork and shoring are used no more than 3 m above the ground level. - 94.1 (12) Where formwork and shoring are used no more than 3 m above the ground level, an employer shall ensure that the formwork and shoring are erected, sup -ported and braced so that they are capable of withstand -ing all loads and forces likely to be applied to them. - 94.1 (7) L'employeur doit s'assurer, avant que ne soit versé le béton, - a) que le coffrage et les étançons sont inspectés par un ingénieur, ou par la personne compétente désignée par l'employeur, et - b) que l'ingénieur, ou la personne compétente dési -gnée par l'employeur, selon le cas, en autorise le ver -sement par écrit. - 94.1 (8) L'employeur doit s'assurer que l'autorisation écrite visée à l'alinéa (7)b) - a) se trouve sur les lieux du chantier, et - b) est mise à la disposition d'un agent, sur demande. - 94.1 (9) L'employeur doit s'assurer que le coffrage et les étançons ne soient enlevés que si - a) le …