Man hole

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Division 2 AO 6-2017 Oregon Occupational Safety and Health Division - (i) Metal measuring tapes, metal measuring ropes, or tapes containing conductive strands may not be used when working near exposed energized parts. - (ii) Where it is necessary to measure clearances from energized parts, only non-conductive devices shall be used. - (o) Underground lines. The provisions of this paragraph apply to the guarding of manholes and street openings, and to the ventilation and testing for gas in manholes and unvented vaults, where telecommunications field work is performed on or with underground lines. - (1) Guarding manholes and street openings. - (i) When covers of manholes or vaults are removed, the opening shall be promptly guarded by a railing, temporary cover, or other suitable temporary barrier which is appropriate to prevent an accidental fall through the opening and to protect employees working in the manhole from foreign objects entering the manhole. - (ii) While work is being performed in the manhole, a person with basic first aid training shall be immediately available to render assistance if there is cause for believing that a safety hazard exists, and if the requirements contained in paragraphs (d)(1) and (o)(1)(i) of this section do not adequately protect the employee(s). Examples of manhole work site hazards which shall be considered to constitute a safety hazard include, but are not limited to: - (A) Manhole work sites where safety hazards are created by traffic patterns that cannot be corrected by provisions of paragraph (d)(1) of this section. - (B) Manhole work sites that are subject to unusual water hazards that cannot be abated by conventional means. - (C) Manhole work sites that are occupied jointly with power utilities as described in paragraph (o)(3) of this section. - (2) Requirements prior to entering manholes and unvented vaults. - (i) Before an employee enters a manhole, the following steps shall be taken: - (A) The internal atmosphere shall …

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Division 2 AO 2-2017 Oregon Administrative Rules Oregon Occupational Safety and Health Division - (a) While work is being performed in a manhole or vault containing energized electric equipment, an employee with first-aid and cardiopulmonary resuscitation training must be available on the surface in the immediate vicinity of the manhole or vault entrance to render emergency assistance. - (b) Occasionally, the employee on the surface may briefly enter a manhole or vault to provide nonemergency assistance. - Note 1 to paragraph (3)(b): [redacted phone](7) of Division 2/RR may also require an attendant and does not permit this attendant to enter the manhole or vault. - Note 2 to paragraph (3)(b): [redacted phone](1)(b) of Division 2/RR requires employees entering manholes or vaults containing unguarded, uninsulated energized lines or parts of electric equipment operating at 50 volts or more to be qualified. - (c) For the purpose of inspection, housekeeping, taking readings, or similar work, an employee working alone may enter, for brief periods of time, a manhole or vault where energized cables or equipment are in service if the employer can demonstrate that the employee will be protected from all electrical hazards. - (d) The employer must ensure that employees maintain reliable communications, through two-way radios or other equivalent means, among all employees involved in the job. - (4) Duct rods. The employer must ensure that, if employees use duct rods, the employees install the duct rods in the direction presenting the least hazard to employees. The employer must station an employee at the far end of the duct line being rodded to ensure that the employees maintain the required minimum approach distances. - (5) All primary cables must be permanently and plainly identified by tags or other methods at both ends. - (6) Multiple cables. When multiple cables are present in a work area, the employer must identify the cable to be worked by electrical means, unless i…

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## OCCUPATIONAL HEALTH AND SAFETY, 2020 - (c) alternative means to perform the work to be performed in a confined space that will not require the worker to enter the confined space; and - (d) alterations to the physical characteristics of the confined spaces that may be necessary to ensure safe entrance to and exit from all accessible parts of each confined space. 31 Dec 2020 c S-15.1 Reg 10 s18-2. ## Avoidance of entry into hazardous confined space - 18-3 (1) If reasonably practicable, an employer shall use an alternative means to perform work that will not require a worker to enter a hazardous confined space. - (2) An employer shall take all reasonably practicable steps to prevent any unauthorized entry into the confined space. 31 Dec 2020 c S-15.1 Reg 10 s18-3. ## Requirements before confined space is entered - 18-4 (1) If a worker will be required or permitted to work in a confined space, an employer, contractor or owner shall, before requiring or permitting the worker to enter the confined space: - (a) ensure that there is a safe entrance to and exit from all accessible parts of the confined space; and - (b) make all practicable alterations to the physical characteristics of the confined space necessary to ensure a safe entrance to and exit from all accessible parts of the confined space. - (2) In making alterations pursuant to clause (1) (b), an employer shall ensure that the structural integrity of the confined space is maintained. 31 Dec 2020 c S-15.1 Reg 10 s18-4. ## Requirements before hazardous confined space is entered - 18-5 (1) Before a worker is required or permitted to enter a confined space, an employer shall appoint a competent person: - (a) to assess the hazards; - (b) if a hazardous atmosphere has been identified, to test the atmosphere of the confined space for: - (i) oxygen enrichment or deficiency; - (ii) the presence of flammable or explosive substances; and - (iii) the presence and hazardous concentration of…

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Oregon Occupational Safety and Health Division Division 2 - (B) When unsafe conditions are detected by testing or other means, the work area shall be ventilated and otherwise made safe before entry. - (ii) An adequate continuous supply of air shall be provided while work is performed in manholes under any of the following conditions: - (A) Where combustible or explosive gas vapors have been initially detected and subsequently reduced to a safe level by ventilation, - (B) Where organic solvents are used in the work procedure, - (C) Where open flame torches are used in the work procedure, - (D) Where the manhole is located in that portion of a public right of way open to vehicular traffic and/or exposed to a seepage of gas or gases, or - (E) Where a toxic gas or oxygen deficiency is found. (iii) - (A) The requirements of paragraphs (o)(2)(i) and (ii) of this section do not apply to work in central office cable vaults that are adequately ventilated. - (B) The requirements of paragraphs (o)(2)(i) and (ii) of this section apply to work in unvented vaults. - (3) Joint power and telecommunication manholes. While work is being performed in a manhole occupied jointly by an electric utility and a telecommunication utility, an employee with basic first aid training shall be available in the immediate vicinity to render emergency assistance as may be required. The employee whose presence is required in the immediate vicinity for the purposes of rendering emergency assistance is not to be precluded from occasionally entering a manhole to provide assistance other than in an emergency. The requirement of this paragraph (o)(3) does not preclude a qualified employee, working alone, from entering for brief periods of time, a manhole where energized cables or equipment are in service, for the purpose of inspection, housekeeping, taking readings, or similar work if such work can be performed safely. - (4) Ladders. Ladders shall be used to enter and exit manholes exceeding 4 feet in…

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Division 2 AO 6-2017 - (18) Ground tent. A small tent usually constructed of vinyl coated canvas supported by a metal or plastic frame. Its purpose is to protect employees from inclement weather while working at buried cable pedestal sites or similar locations. - (19) Grounded conductor. A system or circuit conductor which is intentionally grounded. - (20) Grounded systems. A system of conductors in which at least one conductor or point (usually the middle wire, or the neutral point of transformer or generator windings) is intentionally grounded, either solidly or through a current-limiting device (not a current-interrupting device). - (21) Grounding electrode conductor. (Grounding conductor). A conductor used to connect equipment or the grounded circuit of a wiring system to a grounding electrode. - (22) Insulated. Separated from other conducting surfaces by a dielectric substance (including air space) offering a high resistance to the passage of current. - Note: When any object is said to be insulated, it is understood to be insulated in suitable manner for the conditions to which it is subjected. Otherwise, it is, within the purpose of these rules, uninsulated. Insulating coverings of conductors in one means of making the conductor insulated. - (23) Insulation (as applied to cable). That which is relied upon to insulate the conductor from other conductors or conducting parts or from ground. - (24) Joint use. The sharing of a common facility, such as a manhole, trench or pole, by two or more different kinds of utilities (e.g., power and telecommunications). - (25) Ladder platform. A device designed to facilitate working aloft from an extension ladder. A typical device consists of a platform (approximately 9 inches X 18 inches) hinged to a welded pipe frame. The rear edge of the platform and the bottom cross-member of the frame are equipped with latches to lock the platform to ladder rungs. - (26) Ladder seat. A removable seat used to facilitate work at an ele…

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## S-15.1 REG 10 ## OCCUPATIONAL HEALTH AND SAFETY, 2020 - (2) An employer or contractor shall not require or permit a worker: - (a) to enter the belled area of an excavated shaft unless the worker is protected by a temporary protective structure that is designed by a professional engineer and constructed, installed, used, maintained and dismantled in accordance with that design; or - (b) to remain in a belled area of an excavated shaft if the worker may be exposed to falling materials. - (3) An employer or contractor shall ensure that the worker precedes or accompanies each load of excavated material to the surface. 31 Dec 2020 c S-15.1 Reg 10 s17-9. ## PART 18 ## Confined Space Entry Definitions for Part 18-1 In this Part: 'confined space' means an enclosed or partially enclosed space that: - (a) is not primarily designed or intended for human occupancy, except for the purpose of performing work; and - (b) has restricted means of entrance and exit; 'hazardous confined space' means a confined space that is or may become hazardous to a worker entering the confined space due to: - (a) the design, construction or atmosphere of the confined space; - (b) the materials or substances in the confined space; - (c) the work activities or processes used in the confined space; or - (d) any other conditions relating to the confined space; 'isolate' means to physically interrupt or disconnect pipes, lines and sources of energy from a confined space. 31 Dec 2020 c S-15.1 Reg 10 s18-1. ## Identification of confined spaces, hazards, etc. 18-2 If a worker may be required or permitted to work in a confined space, an employer, in consultation with the committee, shall identify: - (a) types of confined spaces at the place of employment that a worker may be required or permitted to enter; - (b) types of hazards that are or may be present at each confined space;