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7971. Whenever there is any ignition of gas or vapor in a tunnel or underground mine, all work shall cease, employees shall be removed, and reentry except for rescue purposes shall be prohibited until the division has conducted an inspection and authorized reentry for maintenance or production in writing.
7972. If the level of gas in any tunnel or underground mine reaches 20 percent of its lower explosive limit at any time all men shall be removed, the division notified immediately by telephone or telegram, and no one shall reenter the tunnel or underground mine until approval is given by the division.
7973. In any tunnel or underground mine classified as gassy, all employees shall be informed of any special orders made by the division following an inspection. Such notice shall be given before entering the tunnel or underground mine. A copy of any orders subsequently written by the division shall be posted and all employees shall be notified at a safety meeting called by the safety representative before they are permitted to start work.
7974. In any tunnel classified as gassy by the division, ventilation shall include continuous exhausting of fumes and air, unless an alternative ventilation plan which is as effective or better is approved by the division. Fans for this purpose shall be located at the surface, and shall be reversible from a single switch at the portal or shaft. These requirements shall not preclude the use of auxiliary fans to supply more air or greater exhaust to a tunnel or underground mine.
7975. A "kill" button capable of cutting off all electrical equipment shall be maintained in any gassy tunnel or underground mine. The safety representative or his designated representative shall cut off power at any time gas or vapor levels reach 20 percent of the lower explosive limit or more. Before work is restarted every employee underground shall be informed of the level of gas or vapor recorded, and a permanent record shall be called to the surface and retained in a special log.
7976. In any tunnel or underground mine classified as gassy, the division shall determine the number of fire extinguishers necessary and their locations.
7977. Any tunnel or underground mine classified as extrahazardous by the division shall comply with the provisions for gassy tunnels in this chapter, as well as regulations, rules, special orders, and general orders of the division or board.
7978. In any extrahazardous tunnel or underground mine smoking by employees or open flame shall be prohibited. Welding or cutting with arc or flame underground in other than fresh air shall be done under the direct supervision of qualified persons who shall test for gas and vapors before welding or cutting starts and continuously during such an operation. No cutting or welding shall be permitted in atmospheres where any concentration of gas or vapor reaches 20 percent of the lower explosive limit or more while a probe hole is being drilled or when the tunnel face or material from a mine is being excavated.
7979. In tunnels or underground mines classified extrahazardous, sufficient air shall be supplied to maintain an atmosphere of all of the following conditions:
(a) Not less than 19 percent oxygen.
(b) Not more than 0.5 percent carbon dioxide.
(c) Not more than 5 parts per million nitrogen dioxide.
(d) No petroleum vapors or other toxic gases in concentrations exceeding the threshold limit values established annually by the American Conference of Governmental Industrial Hygienists.
7980. All electrical equipment and machines, including diesel engines, used in tunnels or underground mines classified extrahazardous shall be permissible equipment. The division may, however, permit the use of nonpermissive equipment in a tunnel or underground mine in areas where it finds there is no longer danger from gas or other hazards.
7981. An escape chamber or alternate escape route shall be maintained within 5,000 feet of the tunnel face or areas being used to excavate material in an underground mine classified as gassy or extrahazardous. Workers shall be provided with emergency rescue equipment and trained in its use.
7982. Records of air flow and air sample tests to assure compliance with required standards shall be maintained by the employer at the site of any tunnel or underground mine classified extrahazardous. Such records shall be made available to any division representative upon request.
7983. The main fan line used for ventilation in any tunnel or underground mine classified extrahazardous shall contain a cutoff switch capable of halting all machinery underground automatically should the fan fail or its performance fall below minimum power needed to maintain a safe atmosphere.
7984. In any tunnel or underground mine classified extrahazardous a device or devices which automatically and continuously test the atmosphere for gases or vapors shall be maintained. Such device or devices shall be placed as near the face or area of operation as practical, but never more than 50 feet from such point. The division shall determine if additional monitors are necessary and where they should be located. This requirement shall apply only to tunnels or underground mines where excavation of material is by mechanical means.
7985. All such testing device or devices shall be U.S. Bureau of Mines approved or acceptable to other authorities recognized by the division and shall automatically sound an alarm and activate flashing red signals visible to employees underground whenever the concentration of gases or vapors reaches or exceeds permissible levels. Permissible levels may be established lower than the limits set in division rules, regulations, or general orders whenever a division inspector considers such action necessary to make the operation safe for employees.
Chapter 3. Licensing and Penalties
7990. In any tunnel or mine under jurisdiction of the division, the use of explosives shall be limited to persons licensed by the division.
7991. To obtain a license under Section 7990, a person shall pass an oral and written examination given by the division. The division shall offer such examination in Spanish, or any other language, when requested by the applicant. The division shall administer such examination orally when requested by an applicant who cannot write. Application for such license shall cost fifteen dollars ($15), which is nonreturnable. Licenses shall be renewable every five years at a fee of fifteen dollars ($15).
7992. The board shall determine qualifications for persons seeking an "explosive blaster's license" and rules and regulations for use of explosives in tunnels or mines.
7993. Any person holding an "explosive blaster's license" who is convicted of violating any safety order involving the use or handling of explosives shall have his license suspended for not less than 30 days upon hearing by the division, in addition to any other penalties he may be assessed.
7994. Any person holding an "explosive blaster's license" who is convicted of violating safety orders involving use or handling of explosives in which the violation is judged to be responsible for an accident involving serious injury or death shall have his license revoked for at least one year, in addition to any other penalties he may be assessed. Any person who has had his "explosive blaster's license" revoked may apply for a new license after the minimum period of revocation expires. He shall be required to pass all examinations before a new license is granted.
7995. Any person who has had his "explosive blaster's license" revoked who is subsequently convicted of violations of a safety order involving the use or handling of explosives shall have his license permanently revoked in addition to other penalties he may be assessed.
7996. All safety equipment required to provide safe employment in tunnels or underground mines shall be U.S. Bureau of Mines approved, or acceptable to other authorities recognized by the division, and acceptable by the division.
7997. The board shall review and update general orders for tunnels and mines at least every two years. Representatives of the unit inspecting tunnels and mines shall be consulted during each review and shall be permitted to submit suggested changes to the general orders at any time.
7998. The board shall also develop tests, available in English, Spanish, or other languages where a sufficient portion of employees exists to show need, to qualify gas testers and safety representatives in tunnels and mines.
7999. No person shall be qualified to operate as a gas tester, or serve as a safety representative in a tunnel or mine unless he holds a certificate issued by the division.
8000. Requirements established by the board shall preempt local government rules, regulations, and laws requiring certification or licensing as gas testers or safety representatives. However, local governments may contract with the division for testing applicants and issuing certifications.
8001. A fee sufficient to cover costs of examination and certification of gas testers and safety representatives for tunnels and mines, but not more than fifteen dollars ($15) for original applications and fifteen dollars ($15) for renewals, may be charged by the division. Renewals shall be made every five years.
8002. All fees from such applications shall be nonrefundable. Such fees shall be paid into the State Treasury by the division to the credit of the General Fund.
8003. Violation of regulations, rules, orders, or special orders adopted by the board or division as a condition of certification shall be punishable by suspension or revocation of certification, unless such violation is responsible for death or injury to employees, in which case it shall be punishable as a misdemeanor.
8004. The provisions of this part shall not apply to the normal operation, maintenance, or repair of any completed tunnels owned or operated by a utility as defined in Section 229 of the Public Utilities Code. However, it shall apply to the initial construction or substantial modification of such a tunnel. Note: Authority cited: Sections 142.3 and 7997, Labor Code. Reference: Sections 142.3 and 7997, Labor Code.
Appendix C
Department of Industrial Relations Division of Occupational Safety and Health
MEDICAL EXAMINATION FOR HOISTING ENGINEERS (To be sent to the project manager)
Name of Applicant __________ Address __________ Employer __________ Address __________
Record of Past Employment
Employer __________Address __________ __________ Absence from work during past 6 months and reasons __________ __________ __________ Total years' experience as hoisting engineer __________Licensed __________Where __________ Date of last medical exaimination, if any __________ __________ __________ Place of birth __________ __________Date __________ Marital Status __________ __________ __________ Are you in good health? __________ __________ __________ Have you had problems with:
Vision? __________Fainting spells? __________Dizzy Spells? __________Heart trouble? __________Epileptic Seizers? __________ Alcohol/drugs? __________ __________ Have you a first-aid certificate? __________ Year issued? __________ By whom __________ __________ __________ I certify that all my answers to the above are correct and true and that I have also read the "Orders for Hoist Engineers" in the Mine Safety Orders.
Date __________ __________ __________ __________ Signature of Applicant
Physician's Report
1. Age __________ Weight __________Height __________Temperature __________Blood pressure __________
2. Vision: Right eye __________ Left eye __________ __________Color Perception __________
3. Hearing: Right ear __________ __________ Left ear __________ __________
4. Nose and throat: Normal __________ __________ Abnormal __________ __________
5. Chest: Expiration __________ __________ Inspiration __________ __________
6. Heart: Rhythm __________ Size __________ Ausculation __________ Pulse __________
7. Abdomen: Scars or hernia __________ __________ __________ __________
8. Spine __________ __________Deformities __________ __________ Rigidity __________
9. Genito-urinary system __________ __________ __________ __________
10. Urinalysis __________ __________ __________ __________ __________
11. Hemorrhoids __________ __________ __________ Varicose veins __________ __________
12. Defects of joints, bones or muscles __________ __________ __________ __________
13. Does applicant appear to be addicted to stimulants or narcotics? __________ __________ __________
14. Posture: Excellent __________ Good __________Fair __________Bad __________
15. Reflexes: Patella __________ Rhomberg __________ Rabinski __________ Coordination __________
16. Nervous or composed __________ __________ __________ Tremors __________
17. Mental Agitation? __________ __________ __________ __________ Medical Reasons for rejection, if any __________ __________ __________ __________
Date __________ __________ Physician's Name __________ __________ M.D. __________
Address __________ __________ __________ __________ __________
Detach and post in the hoist house Hoist Engineer's Medical Examination
The medical examination of Mr. __________ leads me to believe he is physically able to assume the duties of a hoisting engineer as of this date.
__________ __________ __________ __________
City Date Physician's Signature Note: Authority cited: Sections 142.3 and 7997, Labor Code. Reference: Sections 142.3 and 7997, Labor Code.
2. Editorial correction establishing separateHistoriesforSNLAppendix D
Weekly Shaft Inspection Report To Be Filed In the Tunnel Office
Name of Inspector __________ Date __________
Remarks
Fire fighting equipment __________ Timber ground support, loose material __________ Guides or track __________ Shaft rope, idlers or deflection sheaves __________ Safety gates or guard rails __________ Safety hood on cages or skips __________ Daily inspection and maintenance of safety dogs __________
On cage or skip __________ Sunday __________ Monday __________ Tuesday __________ Wednesday __________ Thursday __________ Friday __________ Saturday __________
Skip or cage coupling __________ Top sheave wheel __________ Overwinding devices limit switches, safeties and governors __________ __________ Shaft clearance __________ Chutes __________ Chute gates __________ Bell signal system __________ Telephone system __________ Manway __________ Ladders and platforms __________ Date hoisting rope was last cut off __________ Length of hoisting rope removed __________ Hoisting rope (see Tunnel Safety Order, Section 8497 __________ __________ Notice:A cave-in in the shaft or "hanging up" of the cage or skip in the shaft or any unusual incident must be noted on the next following weekly shaft inspection report. Give details of causes and methods of correction. Note: Authority cited: Sections 142.3 and 7997, Labor Code. Reference: Sections 142.3 and 7997, Labor Code.
Appendix E
TUNNEL PREJOB SAFETY CONFERENCE CHECK LIST This form outlines the subjects the
Division will discuss at the Prejob Safety Conference.
1. PROJECT INFORMATION:
Starting date __________ Project Duration: __________
a. Project Name __________ __________ __________ Project Location __________ __________ __________
b. Name of Owner __________ __________ __________ Owner's Address __________ __________ __________ __________ __________ Phone __________
c. Contractor __________ __________ __________ Contractor's Address __________ __________ __________ __________ __________Phone __________ Employee's representative __________ __________ __________ __________ __________ __________ __________ __________ __________
2. TUNNEL CLASSIFICATION:
Classification Type __________ Date Issued __________ Special Provisions __________ __________ __________ General Geology __________ __________ __________
3. TUNNEL SPECIFICATION:
a. Tunnel Diameter __________ __________ Tunnel Length __________ Shaft Diameter __________ __________ Shaft Depth __________
b. Excavation Method and Support and Additional Details __________ __________ __________ __________ __________ __________ __________
c. Jacking Pit: Length __________ Width __________ Depth __________ Soil Type __________ Pit Shoring Type/Slope __________ __________ Access/Egress __________ __________ Permit # and Competent Person __________ __________ __________ __________ Additional Details __________ __________ __________ __________ __________ __________ __________ __________
4. MANPOWER/TESTING EQUIPMENT
a. Total Manpower __________ __________Max/shift UG __________ Statewide Employment __________
b. Supervisors __________ __________ __________ __________
c. Safety Rep. and No. __________ __________ __________ __________
d. Gas Tester and No. __________ __________ __________ __________
e. Blaster and No. __________ __________ __________ __________
f. Gas Testing Equipment __________ __________ __________ __________
5. EQUIPMENT
a. Mining Equipment __________ __________ __________ __________ Haulage __________ __________ __________ __________
b. Cranes - Model/Capacity __________ __________ __________ __________
c. Certification # __________ __________ Date __________ Crane and Rigging Inspection and Records __________ __________ __________ __________ Hoisting Equipment __________ __________ __________ __________ __________ Cages and Work Platforms __________ __________ __________ __________ __________ Signals and Communication __________ __________ __________ __________ __________
d. Ventilation: Fan Model/HP/RPM __________ __________ __________ __________ __________ __________ Vent Line Size __________ __________Length __________ __________ Material __________ __________ Calculated CFM __________ __________ __________ __________Reversible @ surface? Yes _______ No __________ Auxiliary Fan __________ __________ __________ __________ __________ __________
e. Diesel Equipment: Diesel Permit Number __________ __________ __________ List Other Equipment __________ __________ __________
__________ __________ __________ __________ Scrubber Installation, inspection, and maintenance reviewed? __________ __________ __________
6. REQUIRED POSTINGS:
a. Cal/OSHA __________ Emeregency Plan __________Telephone Nos. __________ Classification __________
b. Code of Safe Practices __________Citations __________ __________Diesel and Other Permits __________
7. SANITATION AND FIRST AID:
First Aid Kit __________ No. of Persons Trained in First-Aid __________ CPR __________
8. RELATED SAFETY ITEM DISCUSSION CHECKLIST:
a. State Mining and Tunnelling Program, including Inspections, procedures, citations, training, and technical assistance. b. Reporting accidents and incidents to DOSH in 24 hours. c. Gas tests, calibration, records, frequency, notifying DOSH. d. Required Occupational Injury and Illness record keeping. e. Crane boom clearance, with overhead high voltage power lines, and set-up. Daily and other inspections, including quarterly. f. Required Inspections, assignment, schedule, records. g. Identification and location(s) of existing utilities. h. Fire prevention, protection, and special provisions. i. Hazardous material training and information. j. Hearing Conservation Program requirements. k. Dust Control, Sampling, Respiratory Protection Program elements. l. Personal protective equipment: hard hats, steel-toe boots, self rescuers, welding goggles and clothing, safety belts, and lines. m. Traffic control, protection, warnings, reflective vests, etc. n. Tunnel and shaft lighting, emergency and personnel lighting in case of power failure, and laser safety if laser is used. o. Tunnel communication system and underground utility lines. p. Explosives -type, system, storage, transport, warning system. q. Safety Meetings: Monthly _______ Weekly _______ Records ________ r. Check-in system, primary and secondary exit protection/provision. s. Underground Rescue Plan: Yes ____ No _____ Reviewed? Yes ____ No ____ If IIPP is reviewed, attach Check List. t. Employee and supervisory training requirements and programs.
9. NOTES AND DETAILS: __________ __________ __________ __________ __________ __________ __________ __________ __________ __________ __________ __________ __________ __________ __________ __________ __________ __________ __________ __________ __________ __________ __________ __________ __________ __________ __________ __________ __________ __________ __________ __________ __________ __________ __________ __________ __________ __________ __________ __________ __________ __________
10. SKETCH (IDENTIFY): Note: Authority cited: Sections 142.3 and 7997, Labor Code. Reference: Sections 142.3 and 7997, Labor Code.
<<(Subchapter Originally Printed 11-15-75)>>
s 8600. Application.
(a) This article sets forth safety and health standards that apply to the work conditions, practices, means, methods, operations, installations and processes performed at telecommunications centers and at telecommunications field installations, which are located outdoors or in building spaces used for such field installations. "Center" work includes the installation, operation, maintenance, rearrangement, and removal of communications equipment and other associated equipment in telecommunications switching centers. "Field" work includes the installation, operation, maintenance, rearrangement, and removal of conductors and other equipment used for telecommunications service, and of their supporting or containing structures, overhead or underground, on public or private rights of way, including buildings or other structures.
(b) Operations or conditions not specifically covered by this Article are subject to all the applicable orders contained in the other Safety Orders, including but not limited to the following: General Industry, Construction and Electrical Safety Orders.
(c) The requirements of this article shall not apply to existing installations, provided they are in compliance with the Safety Orders which were in existence and applicable at the time of installation, and documentation is available to substantiate this.
(d) All work performed under the provisions of this article shall, unless otherwise specifically provided for, be performed under the direction of Qualified Telecommunications Workers or Qualified Electrical Workers trained in the operations involved.
Note: Authority cited: Section 142.3, Labor Code. Reference: Section 142.3, Labor Code.
s 8601. Definitions.
Aerial Splicing Platform. A device designed to attach to a cable strand on which an employee(s) may stand or sit while working aloft.
Aerial Tent. A small tent designed to protect employees in inclement weather while working on ladders, aerial splicing platforms, or aerial devices.
Barricade. A physical obstruction such as tapes, ropes, cones, or "A" frame-type wood and/or metal structure intended to warn and limit access to a work area.
Barrier. A physical obstruction which is intended to prevent contact with energized lines or equipment, or to prevent unauthorized access to work area.
Bond. An electrical connection from one conductive element to another for the purpose of minimizing potential differences or providing suitable conductivity for fault current or for mitigation of leakage current and electrolytic action.
Cable. A conductor with insulation, or a stranded conductor with or without insulation and other coverings (single-conductor cable), or a combination of conductors insulated from one another (multiple-conductor cable).
Cable Sheath. A protective covering applied to cables.
Circuit. A conductor or system of conductors through which an electric current is intended to flow. May also be an optical link of glass fiber which provides a transmission path for pulses of light.
Communication Lines. The conductors and their supporting or containing structures for telephone, telegraph, railroad signal, data, clock, fire, police-alarm, community television antenna and other systems which are used for public or private signal or communication service, and which operate at potentials not exceeding 400 volts to ground or 750 volts between any two points of the circuit, and the transmitted power of which does not exceed 150 watts. When communications lines operate at less than 150 volts to ground, no limit is placed on the capacity of the system. Specifically designed communications cables may include communication circuits not complying with the preceding limitations where such circuits are also used incidentally to supply power to communication equipment.
Conductor. A material, usually in the form of a wire, cable, or bus bar, suitable for carrying an electric current.
Effectively Grounded. Intentionally connected to earth through a ground connection or connections of sufficiently low impedance and having sufficient current-carrying capacity to prevent the build-up of voltages which may result in undue hazard to employees.
Energized Parts (Live Parts). Parts which are of a potential different from that of the earth, or some conducting body which serves in place of the earth.
Equipment. A general term which includes materials, fittings, devices, appliances, fixtures, apparatus, and similar items used as part of, or in connection with, an electrical supply or communications installation.
Ground (reference). That conductive body, usually earth, to which an electric potential is referenced.
Ground (as a noun). A conductive connection, whether intentional or accidental, by which an electric circuit or equipment is connected to reference ground.
Ground (as a verb). The connecting or establishment of a connection, whether by intention or accident, of an electric current or equipment to reference ground.
Ground Tent. A small tent used to protect employees from inclement weather while working at buried cable pedestal sites or similar locations.
Grounded Conductor. A system or circuit conductor which is intentionally grounded.
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).
Grounding Electrode (Ground Electrode). A conductor imbedded in the earth, used for maintaining ground potential on conductors connected to it, and for dissipating into the earth current conducted to it.
Grounding Electrode Conductor (Grounding Conductor). A conductor used to connect equipment or the grounded circuit of a wiring system to a grounding electrode.
Guy Wire. A tension member used to withstand an otherwise unbalanced force on a pole, crossarm or overhead structure.
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 orders, uninsulated. Insulating coverings of conductors is one means of making the conductor insulated.
Insulation (as applied to cable). That which is relied upon to insulate the conductor from other conductors or conducting parts or from ground.
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).
Ladder Platform. A device designed to facilitate working aloft from an extension ladder.
Ladder Seat. A removable seat used to facilitate work at an elevated position on rolling ladders in telecommunication centers.
Manhole. A subsurface enclosure which personnel may enter for the purpose of installing, operating, and maintaining submersible equipment and/or cable.
Manhole Platform. A platform consisting of separate planks, plywood or other material which are laid across and secured to steel platform supports. The ends of the supports are engaged in the manhole cable racks.
Microwave Transmission. The act of communicating or signaling utilizing a frequency between 1 GHz (gigahertz) and 300 GHz inclusively.
Nominal Voltage. The nominal voltage of a system or circuit is the value assigned to a system or circuit of a given voltage class for the purpose of convenient designation. The actual voltage may vary above or below this value.
Optical Link. Glass strands encased in flexible cables used to transmit pulses of light from one point to another.
Pole Balcony or Seat. A balcony or seat used as a support for workers at pole-mounted equipment or terminal boxes. A typical device consists of a bolted assembly of steel details and a wooden platform. Steel braces run from the pole to the underside of the balcony.
Pole Platform. A platform intended for use by a worker in an elevated position adjacent to a pole.
Qualified Person. A person designated by the employer who by reason of training and experience has demonstrated the ability to safely perform assigned duties.
Qualified Telecommunications Worker. A worker who, through related training and/or on the job experience, is familiar with the techniques and hazards of telecommunications work and the equipment used in the specific operations involved; and has demonstrated the ability to safely perform assigned duties, and, where required, is properly licensed in accordance with federal, state, or local laws and regulations.
Safe. See Labor Code Section 6306.
Strand. Wires laid parallel and twisted used to support wires, cables and equipment; sometimes called aerial strand, supporting strand, suspension strand, cable strand or messenger.
Suitable.
(A) Function. Capable of performing with safety the particular function specified in these Orders, or
(B) Equipment. Equipment or devices intended for the anticipated exposure which by way of design, strength and quality will eliminate, preclude or mitigate a particular hazard, and
(C) Use. The conditions, practices, means, operations or processes used which will eliminate, preclude or mitigate a particular hazard.
Telecommunications. A science dealing with the provisions of Communication Service.
Telecommunication Center. An installation of communication equipment under the exclusive control of an organization providing telecommunications service, that is located outdoors or in a vault, chamber, or a building space used primarily for such installations.
Note: Telecommunication centers are facilities established, equipped and arranged in accordance with engineered plans for the purpose of providing telecommunications service. They may be located on premises owned or leased by the organization providing telecommunication service, or on the premises owned or leased by others. This definition includes switch rooms (whether electromechanical, electronic, or computer controlled), terminal rooms, power rooms, repeater rooms, transmitter and receiver rooms, switchboard operating rooms, cable vaults, and miscellaneous communications equipment rooms. Simulation rooms of telecommunication centers for training or developmental purposes are also included.
Telecommunication Line Truck. A truck used to transport personnel, tools, and material, and to serve as a traveling workshop for telecommunication installation and maintenance work. It is usually equipped with auxiliary equipment for setting poles, digging holes, and elevating material or personnel.
Telecommunication Service. The furnishing of a capability to signal or communicate at a distance by means such as telephone, telegraph, police and fire alarm, community antenna television, or similar system, using wire, conventional cable, coaxial cable, wave guides, microwave and radio transmission, or other similar means.
Vault. An enclosure above or below ground which personnel may enter and which is used for the purpose of installing, operating, and/or maintaining equipment and/or cable which need not be of submersible design.
Vault, Unvented. A vault in which the only openings are access openings.
Vault, Vented. A vault with provision for air changes using exhaust flue stack(s) and air intake(s), which operate on differentials of pressure and/or temperature resulting in air flow throughout the vault.
Note: Authority and reference cited: Section 142.3, Labor Code.
s 8602. General.
(a) Illumination. Illumination shall be provided as needed to perform the work safely.
(1) Telecommunications Centers. Lighting in telecommunication centers shall be provided in an adequate amount such that continuing work operations, routine observations, and the passage of employees can be carried out in a safe and healthful manner. (See Section 3317 of the General Industry Safety Orders.) Additional lighting shall be provided as required for specific tasks.
(2) Field Work. Whenever natural light is inadequate, suitable artificial illumination shall be provided.
(b) Working Surfaces. Guardrails and toeboards may be omitted on distribution frame mezzanine platforms to permit access to equipment. This exemption applies only on the side or sides of the platform facing the frames and only on those portions of the platform adjacent to equipment frames.
(c) Working Spaces, Aisles. Working spaces provided by "maintenance aisles," or "wiring aisles," between equipment frame lineups in telecommunications centers shall not be considered as parts of egress required by Article 4 of the General Industry Safety Orders.
(d) Special Doors. When blastproof or power-actuated doors are installed in specially designed hardsite security buildings and spaces, they shall be designed and installed so that they can be used as a means of egress in emergencies.
(e) Medical and First Aid. First-aid supplies recommended by a consulting physician and/or as set forth in Section 1512 of Construction Safety Orders shall be maintained and shall be easily accessible.
(f) Hazardous Substances. All work involving hazardous substances shall comply with Group 16 of the General Industry Safety Orders. Highway Mobile Vehicles and Trailers may be equipped to carry more than one LP gas container provided all provisions of the Unfired Pressure Vessel Safety Orders are complied with.
(g) Work Space. Suitable means shall be provided to permit employees to safely perform work on telecommunications equipment.
(h) Approach Distances to Exposed Energized Overhead Power Lines or Parts. The employer shall require that no employee approaches or takes any conductive object closer to any electrically energized overhead power lines or parts than prescribed in Table TC-1, unless:
(1) The employee is insulated or guarded from the energized parts (insulating gloves rated for the voltage involved shall be considered adequate insulation for the employee from the energized parts for voltage not to exceed 7,500 volts); or
(2) The energized parts are insulated or guarded from the employee and any other conductive object at a different potential; or
(3) The power conductors and equipment are de-energized and grounded.
(i) Inclement Weather. Work from structures shall be discontinued when adverse weather such as high winds, ice on structures, or progress of an electrical storm in the immediate vicinity, makes the work unsafe.
Note: Authority and reference cited: Section 142.3, Labor Code.
s 8603. Training.
(a) Employers shall provide training in the various precautions and safe practices relating to employees' job assignment(s) as described in this article and other applicable orders, and shall require that employees do not engage in these activities until they have received proper training. However, where the employer can demonstrate that an employee is already trained in the precautions and safe practices required herein prior to employment, additional training need not be provided. Where training is required, it shall consist of on-the-job or classroom-type training or a combination of both. The employer shall certify that employees have been trained by preparing a certification record which includes the identity of the person trained, the signature of the employer or the person who conducted the training, and the date the training was completed. The certification record shall be prepared at the completion of the training maintained for the duration of the employee's assignment. The certification record shall be made available upon request to the Division. Such training shall, where appropriate, include the following subjects:
(1) Recognition and avoidance of dangers relating to encounters with harmful substances, and animal, insect, or plant life.
(2) Procedures to be followed in emergency situations.
(3) First-aid training, including instruction in artificial respiration and/or cardiopulmonary resuscitation and refresher course as needed to keep training updated.
(4) Work area protection and traffic control.
Note: Authority cited: Section 142.3, Labor Code. Reference: Section 142.3, Labor Code.
s 8604. Employee Protection in Public Areas.
(a) Before work is begun in the vicinity of vehicular or pedestrian traffic which may endanger employees, warning signs and/or flags or other traffic control devices shall be placed conspicuously to alert and channel approaching traffic. Where further protection is needed, barriers shall be utilized. At night, warning lights shall be prominently displayed and excavated areas shall be enclosed with protective barricades.
(b) If work exposes energized or moving parts that are normally protected, danger signs shall be displayed and barricades erected, as necessary, to warn other personnel in the area.
(c) The employer shall require that an employee finding any crossed or fallen wires which create or may create a hazardous situation at the work area:
(1) Remains on guard or adopts other adequate means to warn other employees of the danger; and
(2) Has the proper authority notified at the earliest practical moment.
(d) Employer shall require employees exposed to vehicular traffic hazards outside the protected area to comply with the provisions specified in Section 1599 of the Construction Safety Orders.
Note: Authority cited: Section 142.3, Labor Code. Reference: Section 142.3, Labor Code.
s 8605. Tools and Personal Protective Equipment.
(a) Personal protective equipment, protective devices and special tools needed for the work of employees shall be provided and the employer shall require that they are used by employees. Before each day's use the employer shall ensure that these personal protective devices, tools, and equipment are carefully inspected by a qualified person to ascertain that they are in good condition.
(b) Defective tool and equipment shall be removed from service.
(c) Telecommunication linemen's body belts, safety straps and lanyards shall meet the requirements contained in Section 2940.6(c) of the High Voltage Electrical Safety Orders.
Note: Authority cited: Section 142.3, Labor Code. Reference: Section 142.3, Labor Code.
s 8606. Rubber Insulating Equipment.
Rubber insulating equipment shall comply with the provisions of Section 2940.6(a) of the High-Voltage Electrical Safety Orders.
Note: Authority cited: Section 142.3, Labor Code. Reference: Section 142.3, Labor Code.
s 8607. Pole Climbers.
(a) Pole climbers shall not be used if the gaffs are less than 1 1/4 inches in length as measured on the underside of the gaff. The gaffs of pole climbers shall be covered with safety caps or equivalent protection when not being used for their intended use.
(b) The employer shall require that pole climbers are visually inspected by a qualified person for the following conditions: Fractured or cracked gaffs or leg irons, loose or dull gaffs, broken straps or buckles. If any of these conditions exist, the defect shall be corrected before the climbers are used.
(c) Pole climbers shall be inspected as required in this section before each day's use and a gaff cut-out test performed at least weekly when in use.
(d) Pole climbers shall not be used except on wood poles.
Note: Authority and reference cited: Section 142.3, Labor Code.
s 8608. Poles, Towers and Ladders.
(a) The spacing between permanent and detachable steps installed on poles and towers shall be not more than 18 inches (36 inches on any one side). Spacing shall be uniform except where working, standing or access steps are required. The lowest permanent step shall be not less then 7 feet 6 inches from the ground line. Permanent steps for poles and towers shall not unnecessarily obstruct the climbing space and shall have a minimum diameter of 5/8-inch and a minimum clear tread width of 4 1/2 inches. The lowest detachable step shall be no more than 24 inches above ground level. Detachable steps shall be properly secured when in use.
(b) Pole Steps. Wood poles (such as poles with pole and/or strand mounted terminals) which are expected to be frequently climbed for maintenance or operating purposes shall be stepped in accordance with the regulations of the California Public Utilities Commission (G.O. 95, March, 1980).
(c) The employer shall require that no employee nor any material or equipment will be supported on any portion of a ladder unless it is first determined by inspection by a qualified person that such ladder is adequately strong, in good condition, and properly secured in place.
(d) Portable metal ladders shall not be used in telecommunications work, except in vaults and manholes.
(e) After April 30, 1975, portable wood ladders intended for general use shall not be painted but may be coated with a translucent nonconductive coating. Portable wood ladders shall not be longitudinally reinforced with metal.
(f) Portable wood ladders that are not being carried on vehicles and are not in active use shall be stored under cover.
(g) The applicable provisions of the General Industry Safety Orders shall apply to rolling ladders used in telecommunications centers, except that existing ladders may have a minimum inside width, between the side rails, of at least 8 inches.
(h) When in use, rolling ladders shall be secured to prevent inadvertent displacement.
(i) Climbing ladders or stairways on scaffolds used for access and egress shall be affixed or built into the scaffold by proper design and engineering, and shall be so located that their use will not disturb the stability of the scaffold.
(1) If a portable ladder is affixed to the scaffold, it shall be securely attached and shall have rungs meeting the spacing and clearances requirements of Section 3277 of the General Industry Safety Orders.
(2) If a fixed ladder is installed on the scaffold it shall comply with Section 3277 of the General Industry Safety Orders.
(3) Stairways shall comply with Section 3234 of the General Industry Safety Orders.
(4) Horizontal end braces may also be designed and used as a climbing device provided that the steps are:
(A) Parallel and level.
(B) Uniformly spaced throughout the climb.
(C) Not less than 16 inches in width.
(D) Not less than 12 inches nominal nor more than 16 inches nominal apart on center.
(E) Provided with sufficient clearance to provide a good handhold and foot space.
(5) Those surfaces of rungs and steps designed for use in ascending and descending shall be corrugated, serrated, knurled, dimpled, or coated with skid-resistant material.
(j) When a ladder is supported by an aerial strand, and ladder hooks or other supports are not being used, the ladder shall be extended at least 2 feet above the strand and shall be secured to it (e.g. lashed or held by a safety strap around the strand and ladder side rail). When a ladder is supported by a pole, it shall be securely lashed to the pole unless the ladder is specifically designed to prevent movement when used in this application.
Note: Authority cited: Section 142.3, Labor Code. Reference: Section 142.3, Labor Code.
s 8609. Other Tools and Personal Protective Equipment.
(a) Tent Heaters. Flame-type heaters shall not be used within ground tents or on platforms within aerial tents unless:
(1) The tent covers are constructed of fire-resistant materials, and
(2) Adequate ventilation is provided to maintain safe oxygen levels and avoid harmful build-up of combustion products and combustible gases.
(b) Torches. Torches may be used on aerial splicing platforms or in buckets enclosed by tents provided the tent material is constructed of fire-resistant material and the torch is turned off when not in actual use. Aerial tents shall be adequately ventilated while the torch is in operation.
(c) Soldering Devices. Electrical soldering devices shall be grounded. Defective soldering devices shall be immediately removed from service.
Exception: 1: Soldering devices used exclusively for work on live circuits. Such devices shall be tested for current leakage not less than each 3 months.
Exception: 2: Soldering devices supplied through an isolating transformer with an ungrounded secondary of not over 50 volts.
Exception: 3: Soldering devices protected by a system of of double insulation, or its equivalent. Where such a system is employed, the equipment shall be distinctively marked.
(d) Lead Work. All lead work shall comply with Section 5198 of General Industry Safety Orders. The wiping of lead joints using melted solder, gas fueled torches, soldering irons or other appropriate heating devices, and the soldering of wires or other electrical connections do not constitute the welding, cutting and brazing described in Group 10 of the General Industry Safety Orders. When operated from commercial power the metal housing of electric solder pots shall be grounded. Electric solder pots may be used with the power equipment described in Section 2395.6 of the Electrical Safety Orders without a grounding conductor. The employer shall require that wiping gloves or cloths and eye protection are used in lead wiping operations. A drip pan to catch hot lead drippings shall also be provided and used.
Note: Authority cited: Section 142.3, Labor Code. Reference: Section 142.3, Labor Code.
25.
s 8610. Vehicle-Mounted Material Handling Devices and Other Mechanical Equipment (General).
(a) The employer shall require that visual inspections are made of the equipment by a qualified person each day the equipment is to be used to ascertain that it is in good condition.
(b) The employer shall require that tests shall be made at the beginning of each shift by a qualified person to ensure the vehicle brakes and operating systems are in proper working condition.
(c) All rubber-tired, self-propelled scrapers, rubber-tired front-end loaders, rubber-tired dozers, agricultural and industrial tractors, crawler tractors, crawler-type loaders, and motor graders, with or without attachments, that are used in telecommunications work shall have roll-over protective structures, when required, in accordance with Article 25 of the General Industry Safety Orders or Section 1596 of the Construction Safety Orders as applicable.
(d) Vehicle-mounted elevating and rotating work platform devices shall not be operated with any conductive part of the equipment closer to exposed energized power lines than the clearances set forth in Table TC-1 of this Article.
Note: Authority and reference cited: Section 142.3, Labor Code.
s 8611. Hoisting Equipment.
(a) Hoisting equipment shall not be operated with any conductive part of the equipment closer to exposed energized high-voltage conductors and equipment than the clearances set forth in Table TC-1 of this Article.
(b) When hoisting equipment is used to handle poles near energized high-voltage conductors and equipment, these operations shall comply with the requirements contained in Sections 8602 (h) and 8615 (i).
(c) Moving parts of equipment and machinery carried on or mounted on telecommunications vehicles shall be guarded, operated, and maintained in accordance with applicable provisions of the General Industry Safety Orders.
Note: Authority cited: Section 142.3, Labor Code. Reference: Section 142.3, Labor Code.
s 8612. Materials Handling and Storage.
(a) Poles. When working with poles in piles or stacks, work shall be performed from the ends of the poles as much as possible, and precautions shall be taken for the safety of employees at the outer end of the pole. During pole hauling operations, all loads shall be secured to prevent displacement. Lights, reflectors and/or flags shall be displayed on the end and sides of the load as necessary. The requirements for installation, removal, or other handling of poles in pole lines are prescribed in Section 8615 of this Article which pertains to overhead lines. In the case of hoisting machinery equipped with a positive stop load-holding device, it shall be permissible for the operator to leave the controls (while a load is suspended) for the sole purpose of assisting in positioning the load prior to landing it. Prior to and during the unloading of steel, poles, crossarms, and similar material, the load shall be thoroughly examined to ascertain that the load has not shifted, that binders or stakes have not broken, and that the load is not otherwise hazardous to employees. Employees shall not stand on top or in the potential path of an unsecured load while unloading poles from pole dollies or utility trailers.
(b) Cable Reels. Cable reels shall be chocked or otherwise restrained when there is a possibility of inadvertent movement. (continued)