Document davRjpbBd4vB44NYv7e14BVjB

MAY 1 0.9 6 * 1 8731 BSAPP Key Point Reference Book 6 SWBT 001738 ()Bell System 450-504 r-, 'V i Charles Hitt The information in the Key Point Reference Sheets is intended to highlight the safety requirements for various work operations. Specific information on the individual subjects must be obtained from the associated Bell System Practice. Some modifications of certain practices may be required in some states as a requirement of state OSHA regulations. Space has been allotted at the end of each review sub|ect for future modifications or addtions. SWBT 001739 Bail System Proprietary Information Not for Publication or Outside Distribution INDEX Subject Question Subject ## 1 1 - 5 Work Area Protection 2 6-9 Eye Protection 3 10 - 12 Hard Hat 4 13-24 Hand Tools 5 25-29 Power Tools 6 30 - 31 Platforms 7 32-36 Lifting 8 37-43 Stilts 9 44-46 Rope, Wire (Fiber) 10 47 - 51 Stepladder 11 52 - 67 Extension Ladder 12 68 - 72 Tree Trimming 13 73 - 74 Encapsulants 14 75-78 Lead Exposure 15 79-81 PCB 16 82-97 Electrical Hazards 17 98 - 102 Body Belt 18 103 - 108 Climbers 19 109 - 115 Climbing Skills 20 116- 127 Working Aloft 21 128 - 138 Derricks/Aerial Lifts 22 139 - 144 Vehicle Trenching 23 145 - 155 Manholes 24 156 - 164 Buried Plant 25 165 - 169 Breakdown 26 170 - 173 Lightwave Transmission 27 174 - 176 Nitrogen 28 177 - 180 MAPP Gas 29 181 - 183 Acetylene Gas 30 184 - 186 Propane Gas 31 187 - 190 Asbestos Page 3 4 5 6 10 11 12 14 15 17 18 26 28 28 30 31 36 38 39 42 46 50 . 51 54 57 58 59 60 61 62 63 SWBT 001740 CQNFID: H1 i aL EXPLANATIONS "D" = Demonstrate "E" = Explain `ANSI" - American National Safety Institute CEF = Cable Entrance Facility .OH? in isH 1 HAk SWBT 001741 WORK AREA PROTECTION References - BSP 081-200-102 Rashers BSP 081-200-105 Traffic Cones BSP 620-135-010 Guarding Work Areas BSP 620-135-100 Warning Devices Descrip tion and Use E 1. Why must you provide work area protection? -- For the protection of employees, equipment and the public with minimum interference to traffic or pedestrians, E 2. What factors are to be considered in establishing work area protection? -- Location of work site. -- Type of road (multi-lane, one-way, etc.) -- Speed of traffic. -- Time of day (light versus darkness). -- Weather conditions (snow, ice, rain, etc.) -- State and local laws. DE 3. How should work area protection be placed? -- The initial warning sign should be placed first, an appropriate distance from the work site. -- For many different situations see BSP 620-135010 for good references. E 4. When is a flagperson required and how should they be equipped? -- A flag person should be used when adequate protection cannot be obtained using conven tional devices. . -- A flagman is to be equipped with a reflective vest (illuminated at night), hand flags, or paddles. E 5. How should you provide work area protection for pedestrian traffic? -- Rope -- Tape -- Cones - ..... .... -- Barricades, signs -- Other devices 3 SWBT 001742 SAFETY EYEWEAR References - BSP 081-020-011 Eye Protection BSP 010-100-005 Eye Protection E 6. When do you wear ANSI approved safety glasses? -- At all times except: -- When performing work of a clerical nature. -- When attending meetings in which tools are not being used or demonstrated. -- When performing work operations requiring special eye protection (goggles'). DE 7. How do you inspect ANSI approved safety glasses? -- Lenses, look for the manufacturer's symbol etched on lens. -- At the top of the lens for piano, and near the hinge for corrective lenses. -- Lenses not scratched or pitted, clean and bright. -- Frames, look for the manufacturer's symbol on the frame and the inside of the temple. -- Proper fit. E 8. When do you wear goggles? Impact-type goggles shall be worn when: -- Drilling or chipping stone, brick, masonry, tern cotta, tiles, etc. -- Working around grinding wheels. -- Welding or wiping lead sleeves. -- Using power-activated stud drivers. Dust and splash-proof goggles shall be worn when -- Under motor vehicles when hammering. -- Using compressed air. -- Handling air filters or fluorescent tubes. -- Handling splicing compounds. -- Battery acids, countercell solutions, or takinc battery readings. -- When work is performed above eye level anc when dirt and debris is likely to be disturbed. CCvi,-iDE,lT!AL SW BT 001743 DE 9. How do you inspect and maintain goggles? -- Lens for cracks and scratches. -- Straps for elasticity and wear. -- Clean and bright by washing with soap and water. -- Store in the appropriate case. HARDHATS References - BSP 081-020-010 Safety Headgear E 10. What type of protection is provided by the hardhat? -- Protection against head injury. -- Protection for accidental electrical contact. E 11. When do you wear a hardhat? -- Working aloft. -- In the vicinity of construction apparatus. -- On the ground level when work is going on overhead. -- Working in trenches over three feet deep. -- In manholes, except when not exposed to the opening. -- At all sites where building construction work is in progress. -- When there is a possible accidental contact with electrically energized objects. -- Any otbgr time when there is a potential for head SW BT 001744 DE 12. What do you inspect a hardhat for? -- Service date should not exceed four years. -- Physical damage or wear, holes or attachments -- Suspension for proper fit. -- Unauthorized decals. One vinyl acrylic adhesive identification tape may be placed on the global surface, not on the brim and no closer to the lower edge than the striping. -- Missing plugs in accessory slot. HAND TOOLS References - BSP 075-160-301 Screw Drivers BSP 081-020-133 Long Nose Pliers BSP 081-330-103 Soldering Coppers BSP 081-745-102 Hammers, Hatchets, and Axes BSP 081-745-111 Drills and Drill Holders BSP 081-745-113 Masonry Drive Tools DE 13. How do you inspect and use screw drivers? -- Handle for broken, split, roughness. -- Shank for looseness in handle or bent. -- Blade for broken, chipped, bent, rounded edges or corners. -- Select the proper size screw driver, keeping the shank in line with the screw. -- When using, keep the blade squarely against the bottom of the screw slot, keep the free hand away from the tip of the blade while exerting pressure. SW BT 001745 OE 14. How do you inspect and use the automatic hand drill? -- Shaft for free rotation and excess wear. -- Bits for sharpness and straightness. -- Proper storage. -- When using, keep fingers away from the drill point. -- Place one hand on grip to apply even pressure. DE IS. How do you inspect and use diagonal pliers? -- Cutting edge for deep nicks, space between cutters, alignment of jaws. -- Handles for straightness, broken, freedom of movement. -- Select the proper size of cutting pliers forthe job ) at hand. -- When using diagonal pliers, cut the wire or cable in the direction away from the user. DE 16. How do you inspect and use long-nose pliers? -- Jaws for straightness, broken nose ends, align ment, gripping serations. -- Handles for straightness, broken, freedom of movement. -- Select the proper long-nose pliers for the job at hand. -- When using long-nose pliers, the direction of pull should be away from the body, especially the face. Head level should be above the pulling effort. j j i S W B T 001746 DE 17. How do you inspect and use hammers? -- Handle for cracks, splinters, tape. -- Head for fractured edge, mushroom and se curely fastened. Select the appropriate hammer for the task to be performed. .. , WTiSTrastW-a. hammer, grip the handle tightly, strike object squarely; keep other* hand away from striking operation. DE 18. How do you inspect and use axes? -- Handle for cracks, splinters, tape. -- Head for burrs or deep grooves in cutting edg< securely fastened to handle, -- Proper storage. -- When using an axe, secure a firm footing, verif that movement will not be Impeded whei swung, area is clear of any onlookers, travel o cutting edge is away from body and neve between legs. DE 19. How do you inspect and use masonry drills? -- Drill holder for mushrooming or signs of crack ing. -- Drills for sharp cutting edges and straightness. -- Proper storage. -- Select the proper drilling hammer. -- When using, wear special eye protection. Apply light hammer blows and turn drill slightly be tween blows. DE 20. How do you inspect and use a brace and bit? -- Brace for ease of operation of the chuck and ratchet. -- Bits for sharpness and straightness. -- Proper storage. -- When using, seat the bit firmly in the chuck. -- Align the bit and the brace, applying necessary pressure to allow the cutting edges of the bit to complete the boring operaticfn. Never strike the brace with another tool. DE 21. How do you inspect and use saws? -- Blades for sharpness, missing teeth. -- Proper storage. -- Handle for cracks and security of blade. -- Select the proper saw for the job. -- When using, maintain firm footing and apply pressure on the forward stroke. Keep other / 'Vbaod-away from teeth. ^'ftiDBNTlAL SW BT 001747 DE 22. How do you inspect and use scissors and shears? -- Cutting edges for nicks and burns or excessive sideplay in blades. -- Proper storage. -- Handles for ease of operation, cracks or frac tures. -- When using cut at right angles, keeping other hand free from cutting edge. DE 23. How do you inspect and use knives? -- Blades for sharpness, burrs and nicks, mush rooming. -- Proper storage. -- Handle for tightness and wear. -- Select the correct knife for the job. -- When using, wear appropriate gloves, keep free hand away from direction in which force is applied. Do not use on items between knees or legs. DE 24. How do you inspect and use wrenches? -- For wear and burrs on holding edges, ease of operation of moving parts. -- Gripping end free of burrs and straight. -- Select the proper size of wrench for the job. -- When using adjustable wrenches, position tightly on the nut so that the pulling force is applied to the stationary jaw. -- Use a pulling motion on a wrench, not a pushing motion. SWBT 001748 9 POWER TOOLS References - BSP 010-111-010 Electrical Protection Portable Tools BSP 620-103-010 Electrical Protection Portable Tools GL 77-04-094 E 25. What is the purpose of the third wire? -- To protect the user from shock and possible death by providing a low-resistance path to ground from the case of the tool. E 26. When do you test a power tool and cord? -- When received. -- Once a month. -- When maintenance work is performed. OE 27. How do you test a Power tool and cord and record the results? -- Test ground continuity between the case of the tool and the ground prong using a buzzer or ohm meter with the on/off switch open and closed. -- Test the conductors, between each conductor prong and the metal case to insure that no continuity exists. Repeat with the on/off switch open and closed. -- Record monthly test results on inspection tag E 10019 which should be attached to the cord of the tool. DE 28. How do you ground a three-conductor tool in a twoconductor outlet? -- Test the outlet box for ground. -- Insert an approved adapter in the two-conduc tor receptable and ground to the box using the cover plate screw. -- If the outlet box is not grounded connect ; grounding cord from a ground source such as radiator, water pipe, or metal conduit to the ground terminal of the adapter. -- If the tool cannot be grounded use a doublf insulated tool. SW BT 001749 E 29. What types of extension cords may be used and how should they be inspected? -- Use only approved electrical extension cords. -- Inspect insulation for cuts, burns, worn places, tears, and frays. -- Bare wires for inner conductor insulation should not show, -- Use of tape is not permitted. AERIAL PLATFORMS References BSP 081-300-015 Aerial Platforms BSP 081-300-111 Pole Platforms D 30. How do you visually inspect a platform before each use? -- Boards for cracks, excessive wear, poor finish, paraffin and solder drippings. -- Hardware for defective'welds, saddles, snaps, hooks. -- Bolts or screws missing or loose, -- Rope for abrasion, broken fibers, cuts, burns, soft and loss of stretch, mildew, mold, and change of color, -- Rope for correct knots and ties in saddle and hooks. E 31. What precautions do you take before placing and using? Test strand before placing. ty^fiatplace orr 2.2M strand or any size strand on pole to building spans. SW BT 001750 -- Platforms placed in excess of three feet from a pole shall be tied to a ladder. -- Ladders used for guy rope tieing shall be secured to the strand by the two-rope method. -- Body belts and safety straps must be worn when placing, removing, and working on a platform. -- The safety strap must be secured to the strand before stepping from a pole or ladder to a platform. -- All items on the platform should be secured. LIFTING References - BSP 010-110-007 Safety Precautions for Materials Management Operations DE 32. How do you lift properly? -- Position yourself with one foot slightly ahead of the other, toes pointing slightly outward, feet apart (width of shoulders) and firmly planted. -- Squat down close to the object, keeping back as straight as possible. -- Test weight of object by lifting corner or tilting it. -- Grasp object firmly with full palm grip. -- Keep object close in and lift it by straightening the knees. CONFIDENTIAL SW BT 001751 E 33. What do you do if the weight to be lifted exceeds your capabilities? -- Divide load into smaller portions. -- Get help or use a mechnical device. DE 34. How do you set an object down? -- Squat down while keeping back straight. -- Lower ob|ect onto one corner or onto support to avoid finger injuries. -- Lower object into final position keeping fingers from underneath. E 35. What are some of the movements that should be avoided when lifting/ -- Twisting; change direction by moving your feet, not your torso. -- Jerking. -- Side lifting. -- Overextending when reaching. E 36. How should you carry objects? -- Select clear route of travel. -- Keep object close to body. -- Have clear vision. -- Do not twist your body. -- Do not change your grip. -- Face spot where object is to be placed. -- Change direction by moving your feet. SWBT 001752 13 STILTS References - BSP 065-106-100 Shujax Working Stilts DE 37. When and how should stilts be visibly inspected? -- Inspect prior to each use. -- Inspect for loose nuts, broken bolts, worn straps, bent parts, and any other physical damage. -- Check the soles of the floor plates for foreign substances and proper traction. DE 38. What should be examined before wearing stilts? -- Examine the floor in the work area for obstacles and potential trip hazards. -- Floor should be an even, hard surface. DE 39. How do you put on stilts? -- Sit in a chair or at a desk at the proper height. -- While seated, tighten the leg straps before tying the shoes or tightening the adapter heal and toe straps. -- Keep straps fastened tightly. E 40. What is the maximum total weight for the user? -- Maximum total weight including side tools and cable is 225 pounds and never to be exceeded DE 41. What protective clothing should be worn? -- Hard hat -- Safety goggles -- Gloves SWBT 001753. DE 42. What are the precautions to follow when walking? -- Walk on even, hard surfaces only. Always walk forward. -- Make U turns to reverse direction. -- Never use stairs. 14 -- Do not lean over to pick up objects, get assistance if necessary, -- Be cautious around low profile fixtures, -- Do not lean over objects such as boxes or desks. E 43. How should stilts be removed? -- Wearer should be seated and disconnect leg straps last WIRE/FIBER ROPE References - BSP 081-510-101 Manila Rope BSP 081-511-101 "D" Plastic Rope BSP 081-512-100 Handlines BSP 649-310-011 Wire Rope BSP 649-310-100 Rolled Eyes BSP 649-310-111 Cable Reel Slings BSP 649-310-115 Slings 44. How do you inspect fiber rope before usage? -- Inspect for abrasions, cuts, extreme softness, decay or burns. -- At 3 foot intervals look for broken fibers, fine powder, mildew, mold or change in color. DE 45. How do you inspect wire ropes and sling before usage? <' Inspect for -- Abrasions -- Corrosion Pitting 15 -- Rust -- Kinks -- Crushed spots -- Six broken strands in any one lay -- Three broken wires in one strand in any one lay DE 46, What precautions do you follow when using pulling lines? All types of ropes: -- Wear work gloves. -- Do not overload. -- Determine proper size and kind. -- Avoid twist and kinks. -- Do not straddle, stand next to, or place hands when rope or line is under tension or moving. -- Do not stand inside the angle. -- Avoid sudden jerks. -- Use the appropriate grip or hitch for the job at hand. -- Use walkie-talkie hand or voice signals to control pulling operations. Fiber: -- Do not use wet rope in the vicinity of power wires unless it is an emergency and then only if wearing insulating gloves. Wire: -- Check rigging. -- Do not bend wire rope around sharp comers. -- Never pull winch lines over stationary supports. -- Do not place hands on winch lines being moved by winch drum or within arms reach of any sheave, guide, etc. -- Never use wire rope clamps to form an eye. -- Use a B sheave guard on a mandrel bar. -- Never be in a manhole when wire rope is under tension. - AL ...... 16 SW BT 001755 -- Never splice except when forming an eye. STEPLADDERS SWBT 001756 References - BSP 065-104-301 Stepladders - Use and Care BSP 081-741-105 D and E Stepladders E 47. When do you visually inspect? -- When received and the first time used each week and if dropped. DE 48. How do you visually inspect? -- Place the stepladder in good light. -- Side rails for cracks, splinters, or protruding nails. -- Steps and rungs for cracks, splits, splinters, decay and loose braces or tie rods on the steps. -- Hardware for bent or broken metal and loose rivets. DE 49. What is the highest safe step to stand on? -- The second step below the top cap. DE 50. What are the reaching limitations? -- Do not lean in either direction so that you: outside shoulder extends one foot beyond th* sideTail.-AgeocUule-to remember is never mow s. .yoan breastbone beryond ttveiside rail. 17 DE 51. How should the step ladder be positioned when pulling cable? -- Place the ladder with steps opposite the direction of the pulling force. EXTENSION AND/OR COMBINATION LADDERS References - BSP 081-740-105 Extension Ladders and Attachments BSP 081-741-100 Ladders, B and C Combina tion BSP 460-300-108 Ladders D 52. How do you remove it from the vehicle? -- Lower the base of the ladder onto the ground. SW BT 001757 -- Assume a position at the side of the vehicle facing the base, bend the knees slightly and fit the side rail snugly against the shoulder. -- Lift the ladder by straightening the knees and readjust until the exact point of balance is obtained; s -- or, after facing the base, lower the other end of the ladder using the proper lifting procedure. D 53. How do you carry it? j -- Carry on the shoulder in a balanced position, j ladder hooks turned in, base downward and to i the front. Arms not between the side rails: or, carry the ladder at one's side with the spurs forward. 18 E 54. When do you visually inspect all ladders? -- When received. -- The first time used each week. -- If dropped. -- Wooden ladders receive a dead weight test at six-month intervals or when dropped. DE 55. How do you visually inspect? -- Side rails for cracks, splits, splinters, decay, protruding nails and loose rivets. -- Rungs for cracks, splits, splinters, decay, loose ness or wear. 19 SWBT 001758 -- Hardware for broken, worn or defective spurs] rubbers pads.guide-irons, locks, pulleys and strand hooks -- Ladder rope for wear, broken fibers, cuts] extreme softness, decay or bums. j E 56. How do you perform field maintenance? -- Remove splinters with a rasp, file, or sandpaper -- Tighten rivets with two hammers, -- Tighten nuts, -- Replace rope. -- Oil locks, springs and pulleys. -- Rotate spurs or replace rubber feet. D 57. How do you test strand? -- Inspect and/or test poles at each end of thi span. -- No power present-pass a hand line over thi strand at the point where the ladder will b placed, -- If power condition exists-place the hand lin over the strand with a wire raising tool. -- Grasp both ends of the hand line and graduall apply full weight to the hand line by slowly liftin oneself off the ground. D 58. How do you extend the ladder? -- Place the ladder upright with the fixed sectio close to and facing the wall or strand. -- Face the fly section. -- Place one foot at the outside of the base of th fixed section to steady the ladder, but not in position where it could be struck by the f section. SW BT 001759 -- Bring the rope around the side rail and use on hand to pull the rope and the other hand to lift rung of the fly section. Extend the fly section one or two rungs at a tlnr and engage the locks after each pull, Nev< place the free hand between the rungs where can touch rungs on the fixed section. **'*: At I -- After the top section is raised beyond the reach o of the free hand, steady ladder by holding side 'tO"- rail and continuing to extend. o -- After ladder is extended, place at proper angle and secure the ladder rope. H CQ -- To lower, move the base close to the strand or wall and reverse the raising procedure by C/3 lowering one or two rungs at a time. -- Never let the ladder rope slip through your hand. E 59. How many rungs should extend above the strand; the edge of a roof? ` -- When hooks are not engaged, place the ladder so that at least two rungs (2') extend above the strand. | -- To gain access to a roof, extend the ladder at i least three rungs (3`) above the point of support. j ' E 60. What is proper footing and how is it obtained? -- Ensure both ladder feet are on the same level. -- On uneven surfaces use block, wedge, or ladder fool__ ... 2f 1 -- On wet or oily pavement, a smooth floor, an ia or metal surface-lash, block, secure or have lad der held by another employee. 0 61. How do you place it at the proper angle? -- Place the foot of the ladder on the ground si that the distance from the base of the ladder to i line extended vertically from the top point q contact is approximately 1/4 the length of tht ladder measured from the point of contact to thl base. - The "firemans's method" is a convenient vyay i checking the angle of the ladder. Place yot toes against the base of the ladder, fully exten both arms towards the side rail and parallel I the ground. When standing erect you shou be able to grasp the side rails. E 62. What ia the highest rung to stand on? cWfRtJENTLM. Z SWBT 00176  63. How do you secure yourself to the ladder? -- If the ladder is lashed to the strand, pass the safety strap around one rung, or between two rungs and around one side rail. -- If the top section is two feet above the strand or the strand hooks are engaging the strand, pass the strap around the strand, one side rail and between two rungs. D 64. How do you lash the ladder to the strand? -- Tie one side rail securely with a clove hitch and two half hitches, -- Wrap the rope around the cable and strand at least three turns. -- Tie the other side rail with a clove hitch and two half hitches. Only 3/8" hemp, or equivalent nylon, or larger rope may be used. 23 SWBT 001762 -- Secure before climbing on a sloping strand or in a strong wind by first placing a hand line over the strand. -- Tie the end of a hand line to the second rung from the top of the top section. -- Extend and position the ladder two full rungs above the strand. -- Pull the other end of the hand line taut and secure it to a nearby pole or to a rung on the lower section of the ladder. 0 65. How do you lash the ladder to a pole? -- Raise the ladder to the desired height and place in the working position at the correct angle against the pole. -- Using approximately 50 feet of 3/8" polypro pylene, manila or stranded nylon rope, lash extension ladder to base of pole following the 6 steps as illustrated. -- After the bottom is secured, wearing a body belt and safety strap, ascend the ladder with a 15' length of 3/8" or 1/2" rope. Secure the top of the ladder as listed below: Make a slip noose about 15 feet from the free " .-enctvi ISdltCS.aSdkt&artheiSdbse will tighten S W B T QQ] 761 k Note: For alternate method of lashing ladder before climbing see BSP 081-740-105. -- Place the slip noose over the top end of one side rail. -- Pass the free end of the rope down behind and under the top rung, then toward the front of the ladder, around the rail, and then back of the pole. -- Make two complete wraps around the pole, then pass the rope twice around the opposite rail below the first rung and then up behind the rung. -- Reverse the direction of wrapping and make two half hitches on the rail so that the ladder is lashed tightly to the pole. SWBT 001764 D 66. What are the reaching limitations? When the ladder is not lashed, do not attempt to- learr-ta the- side so far that the outside "^~1~:'r~-4tiQu!deris more than t2" beyond the side rail. A good rule to remember is never move your breast bone beyond the side rail. 25 w D 67. How do you place a ladder on the vehicle? -- Ensure the ladder rack locking clamps are in the fully open position -- Lay ladder against the fixed upright of the ladder rack assembly -- Raise base of ladder onto the ladder rack and secure with locking clamps. TREE TRIMMING References - BSP 620-310-200, IL 81-05-055 E 68. Who is a qualified line clearance trimmer? -- Any worker who by reason of training and experience has demonstrated the ability to safely perform the duties in line clearance work to the supervisor in charge of the work opera tion. E 69. What are the restrictions for unqualified trimmers? -- Unqualified trimmers may not approach any energized conductor closer than ten feet. E 70. What are the approach distances to energized conductors for qualified personnel? SWBT 001765 26 MINIMUM APPROACH DISTANCES* VOLTAGE PHASE TO-PHASE 300 volts and less 300 volts to 750 volts 750 volts to 2000 volts 2000 volts to 15,000 volts 15.000 volts to 37.000 volts 37,000 volts to 87,500 volts 87,500 volts to 121,000 volts 121.000 volts to 140.000 volts VOLTAGE PHASE-TOGROUNO 173 volts and test 173 volts to 434 volts 434 volts to 1160 volts 1160 volts to 8650 volts 8650 volts to 21,400 volts 21,400 volts to 50,500 volts 50,500 volts to 70,000 volts 70.000 volts to 81.000 volts MINIMUM DISTANCE IN INCHES Avoid contact 12 18 24 36 42 48 54 * Sot to be confused wttb clearance distances. E 71. What are the telephone employee trimming restric tions? -- Telephone employees will trim to clear tele phone wires and cables only. -- Employees will not trim to clear electrical conductors. E . 72. What personal protective equipment is to be used while trimming? -- Safety headgear. -- Safety glasses under normal conditions, safety goggles when using a chipper. -- Hearing protection when operating gas-pow VvOo ered chain saws or brush chippers. t"- -- Insulating gloves If electrical hazard exists. oo -- Note - A second qualified employee is required, H within normal voice communications, when CQ trimming aloft where an electrical hazard of 750 volts exists. i ?7 ENCAPSULANTS PLUGGING AND SEALING References - BSP 628-220-204 B Duct Sealer BSP 637-241-011 Pressure Plugs BSP 081-856-101 Disposable Plastic Gloves BSP 081-020-011 Eye Protection E 73. What are the safety precautions when using chemi cal compounds? -- Read and adhere to the danger statement on the container -- Wear goggles and disposable plastic gloves while mixing and pouring. -- Use in well ventilated areas (fans. MH blowers, etc.) -- Avoid contact with your skin E 74. What do you do when the work is complete? -- After the work is completed and the tools are cleaned, thoroughly wash the exposed skin areas with the cleaning agent recommended on the compound container. - DO NOT USE BELL SYSTEM WATERLESS HAND CLEANER ON THE FACE OR NECK SWBT 001767 LEAD EXPOSURE References - BSP 010-170-002 Occupational Exposure to Lead BSP 081-852-127 Lead Particle Entrapment Compound (LEPEC) 1 M. CONFlDfcftlW* 28 BSP 620-100-010 Occupational Exposure to Lead, Cable Removal BSP 627-380-240 Aerial Cable Removal BSP 628-240-240 Removing Underground Cable BSP 628-240-242 Removing Underground Cable, High Production Method BSP 632-020-240 Cable Removal, Cutting Splice Closures from Plant BSP 632-315-200 General, removing lead sheath BSP 633-200-201 Lead-Calcium Sleeves, De scription and Installation BSP 644-200-005 E Sheath Repair Sleeving, Description and Installation BSP 649-210-132 Cable Removal Unit, HoggDavis. Description and Operatio BSP 649-210-135 MCV Mobile Cable Salvag ing Vehicle, Description and Operation E 75. How does lead primarily get into the body? -- Inhalation -- Ingestion E 76. Why may high lead levels be injurious to health? -- Lead is a toxic substance. Excessive quantities in the body can cause clinical effects ranging from minor disorders to serious physical dam age. E 77. Which work operations have the greatest potential for excessive lead exposure levels? -- Lead cable removal. -- Lead wiping (minimum danger if overheated). -- Reracking underground cables. -- Cable repair using heat shrink sleeving. E 78. How can you control Potential Exposures to air borne lead? -- Personal hygiene - keep food, beverages, and tobacco away from work operation. SWBT 001768 29 -- Wash hands prior to eating, drinking or smok ing. -- For lead cable removal wear specially provided clothing and adhere to the prescribed exposure time limits. -- Use LEPEC when filing or carding lead cable and sleeves POLYCHLORINATED BIPHENYLS (PCS*) References - BSP 010-160-012, II 79-12-050 E 79. What is PCB? -- A liquid material present in some electrical power transformers, fluorescent light ballasts and capacitors that has been classified to be hazardous to human health and the environ ment. E 80. What are the precautions involving suspected PCB leaks from power transformers? -- Have condition reported to power company. Avoid contacting leak material. Protect the pub lic with barricades. E 81. What additional precautions are necessary when working near PCB? -- Observe good personal hygiene, wash hands or exposed skin before eating, drinking, or smok ing. CONFIDENTIAL 30 SWBT 001769 ELECTRICAL HAZARDS References - BSP 081-710-100 Insulating Blankets BSP 081-710-200 Insulating Gloves BSP 081-705-101 B Voltage Tester BSP 081-705-102 188A Test Set BSP 081-705-103 1188 Test Set BSP 081-705-104 193A Test Set BSP 620-105-010 B Voltage Tester - Use on Poles BSP 621-205-010 Placing and Removing Poles Near Power E 82. When do you test insulating gloves? -- When received. -- Before and after use. -- At least once a month. E 83. In what sequence do you test insulating gloves? -- Visually check return date for testing. -- Pull vigorously between the fingers looking carefully for cracks and inner liner showing through. -- Look for signs of abrasions or deterioration on the palms and back of the thumb side and the little finger side. -- Turn the glove inside out and repeat the stretch test. -- Turn the glove right side out. -- Squeeze the finger of the glove together, let go quickly. Live rubber will return to normal. -- Fill the glove with air by revolving the glove around the edge of the gauntlet axis, rolling it towards the palm and fingers. -- Place the air filled glove next to your face while squeezing to feel for leaks on both sides. E 84. What do you do if they fail the test? -- Do not use. -- Cut glove, palm side from finger to top of gauntlet _ ./' 4 V 31 SWBT 001770 E 85. When do you wear insulating gloves? -- Whenever there is a possibility of contacting electrical power. -- Placing and removing temporary and perma nent electrical bonds. -- Driving a ground rod. -- When using a "B" voltage tester. E 86. What items require electrical testing? -- Uninsulated vertical grounds, electrical power guys, conduits. -- Street light fixtures (ungrounded). -- Metal sided buildings, mobile homes and trail ers -- Joint use pedestals, -- Foreign plant in our work space including CATV equipment, -- Ceiling grids. DE 87. When do you visually inspect and test the "B" voltage tester and the temporary bond? -- When received. -- At least once each month. Maintain a record of the monthly tests. D E 88. How do you inspect and test the B voltage tester and temporary bond? -- Inspect the voltage tester and temporary bond for loose connections, loose ferrule, broken probe, defective clip or damaged cord. -- Test and wear insulating gloves. -- Attach the small clamp of the temporary bond to a suitable ground. -- Attach the insulated clip of the voltage tester to the large clamp of the temporary bond. -- Hold the indicator and the red portion of the probe handle in the same hand and in line of sight (gunsight) between yourself and the test piug. SW BT 001771 -- Touch tne terrei to center of the test plug, the indicator will glow -- Touch the large clamp of the temporary bond to the small clamp of the temporary bond. The brillance of the indicator should not change, DE 89. How do you test any potential hazard with the B volt age tester? -- Wear insulating gloves. -- Connect grounding clip to a suitable ground or metal object laying on the ground 5` from the item to be tested, -- Using the gunsight method, hold red handle and indicator in same hand. -- Touch potential hazard while observing indica tor. E 90. When do you visually inspect and test the 188A Test Set, B Temporary bond and the WIBU cord? -- When received with the 193A Test set. -- Self test before use. -- Monthly with the 193A Test set. -- Annually with the 1188A Test set. DE 91. How do you inspect and test the 188A Test set, B Temporary bond and the WIBU cord? -- Inspect the housing for cracks, holes, cuts, decals or markings. -- Before use, firmly grasp the 188A handle behind the flash guard. Depress the switch. Green LED should light. * SW BT 001772 -- Touch the probe contact with a finger and the test contact with the thumb. The red LED should flash. -- Monthly, depress the switch and touch the probe to the contact point on the 193A test set. The red LED should flash. -- Inspect the cords for loose connections, broken wires and defective clamps. -- Continuity test the temporary bond and the W.1BU dord by placing one clamp on the probe 33 tip, depress the switch, touch the other clamp to the contact point. The red LED should flash, D 92. How do you test Potential Hazards? -- Make pre-use test. -- Depress switch, press probe tip against the object. If red LED does not flash, object is not hazardous. -- If the Red LED flashes, place the conductive probe cap on the handle end of the 188A Test set, attach one clamp of the W1BU cord to the tip of the conductive probe cap, ground the other clamp of the W1BU cord, retest the object. If the red LED does not flash the object is not hazardous. E 93. How do you test at Sub-stations and primary distribution systems where the potential hazards could exceed 20,000 volts? -- Pretest the 188A, test and put on insulating gloves. -- Depress the switch and hold down, approach the object to be tested. -- Observe the 188A housing for buzzing, vibrating or red LED. If any of these occur, move away and notify your supervisor. -- If the red LED does not flash do another test without protective gloves. E 94. What do you do if an electrical hazard is indicated? -- Identify the hazard to protect the public and other employees. -- Do not leave an unguarded hazard. -- Notify your supervisor. SW BT 001773 -- See that the responsible company or owner is notified of the hazard. DE 95- How do you use a temporary bond? -- The temporary bond is Intended to ground a potential hazard which has been tested free of any foreign voltage. -- Test and put on Insulating gloves. -- Connect the small clamp of the bond to a known ground source first. -- Connect the large clamp of the bond clamp to the fixture last. -- While wearing insulating gloves, remove the large clamp from the fixture first. -- Remove the small clamp from the ground last. DE 96. What do you do if it smokes? -- Leave the bond there. -- Identify the hazard for the public and other employees. Do not leave an unguarded hazard. -- Notify your supervisor. -- See that responsible company or owner is notified of the hazard. DE 97. How do you store insulating gloves? -- A protective glove palm down. -- An insulating glove palm up. -- Both fabric liners. -- The other insulating glove palm down. -- The last protector glove palm up. -- Grasp all gloves together by the gauntlet and insert in bag, fingers up. -- Hang bag by strap in a protected place. CONFIDENTIAL SWBT 001774 35 BODY BELTS, SAFETY STRAPS, & LANYARDS References - BSP 081-720-101 Body Belts and Safet Straps BSP 081-720-111 Holsters, Handline Carrier GL 77-03-067 E 98. When do you visually Inspect: -- When received and each day prior to use. DE 99. How do you Inspect? Fabric and leather -- Burn marks. -- Cuts or cracks which would affect the strength. -- Broken or rotted stitching. -- Contrasting colored marker visible. -- Excessively enlarged holes in tongues. -- Unauthorized attachments. Metal Parts -- Badly worn or broken reinforcement plate. -- Loose or broken rivets, -- Cracks in buckle or snaphook. -- Binding of keeper on snaphook. -- Check D ring for 90 rotation. DE 100. How do you secure yourself to a platform or to i cross-connect box before stepping from a pole o ladder? -- When using the D, E or F belt attach one end o the safety strap to a D ring and the other end t< the strand or handle of the BD box, -- With all other body belts pass the free end of th safety strap across the body and thru the othe Dee ring and connect the free end of th< snaphook onto the strand or handle of the BC box. ALMl* a jlv *' 36 SW BT 001775 (Q O SAFETY STRAP MAY BE USED ON ONE OEE RING BELL SYSTEM D SIZE- _ RIGHT MFQ_ _ _ MFR NAME OR TRADEMARK o o D AND E BOOY BELT NAMEPLATE MUST NOT BE USED IN LINEWORK SAFETY STRAP MAY BE O USED ON ONE OEE RING BELL SYSTEM F o SIZE- _ RIGHT MFD. _ MFR NAME OR TRADEMARK F BODY BELT NAMEPLATE E 101. How do you attach a hand lina to a body belt? -- Use a B handline carrier as shown in BSP 081720-111 or slip a toop under the body belt at the rear of the belt so that in the event of a strain it will slip out. D 102. When do you use a lanyard? -- A lanyard is only used in the bucket of an aerial lift device. 37 SWBT 001776 lllxoo X8M.S r CUMBERS References - BSP 081-730-101 Climbers - Description and Use E 103. When do you visually inspect? -- When received and each day prior to use. DE 104. How do you visually inspect? -- Gaff guards in place. -- Straps and pads for wear, cut fabric, enlarged holes, broken buckles, loose rivets. -- Sleeve screws for tightness. -- Missing screws or rivets. -- Leg irons for fractures, bends or twists or broken loops, and rings. -- Gaffs for fractures, hairline cracks, distortions, looseness or dullness. -- Gaff ridge for straightness. i. When do you perform the cut-out teat? -- When received. -- First time used each week. -- Anytime damage is suspected. I. How do you perform the cut-out teat? -- Put on one climber, fasten the foot strap but not the leg strap. -- Remove the gaff guard and*put on your work gloves. -- Place a gloved hand between the leg and climber pad, palm facing the pole. Place the other hand around the pole for balance. -- With the leg at the normal climbing angle (about 30), point the gaff at the center of the pole about one foot above ground line. -- Slightly penetrate the pole surface (penetration should not exceed 1/4 inch). Keep enough pressure to hold the gaff in the pole but do not penetrate further. -- Push climber, knee and hand toward the pole by 38 s CONFIDENTIAL moving knee until the strap loop is against the pole. -- Maintaining this position, gradually exert full pressure straight down on the stirrup. Do not jerk or jump. Do not raise the other foot off the ground, but do place all of the weight on the gaff. -- A correctly shaped gaff will cut into the pole and hold within a distance of two inches or less. -- After using the gaff guard to check this measurement, replace the guard. -- Check both climbers in this manner. E 107. How do you hone a gaff? -- Hold the stone on the inner surface of the gaff and as close to the leg iron as possible. -- 20 to 25 strokes toward the tip but not over the tip, keeping the stone flat against the surface -- Stroke outer side to remove burrs E 108. When do you wear climber*? -- Only when actually climbing and working on an unstepped pole or on a stepped pole if the work cannot be performed safely from the steps. CONFIDENTIAL SWBT 001778 CLIMBING SKILLS References - BSP 620-134-010 Unstepped Poles BSP 620-134-020 Stepped Poles DE 109. What do you do in preparing to ascend? -- Wear eye protection, hardhat, gloves, and 39 '* j proper shoes. ri- -m -- Inspect the pole for physical and electrical hazards. -- Determine the high side of the pole and inspect the climbing area visually. -- Put body belt and safety strap on and adjust the strap to the proper length. -- Place climbers on at the base of the pole, and remove gaff guards. D 110. How do you ascend the pole? -- Hands at shoulder height, first raise right hand, then right foot and insert gaff at heart of pole 8 to 12 inches from ground. -- Transfer weight to right leg and raise left hand, and then the left leg and Insert gaff at heart of pole 8 to 12 inches above right gaff. -- Continue the three point technique to the desired height. 1 SW BT 001779 D 111. How do you belt in? -- Place right foot one step higher than left, center weight on left foot, position right hand around pole. -- Remove top snaphook from carrying Dee ring, position hand with snaphook on back quarter of pole shoulder high, shift body balance to left wrist, transfer snaphook to right hand, engage snaphook in right Dee ring, visually check that snaphook is engaged. -- Position safety strap to belt height. -- Shift weight to body belt and safety strap. -- Reverse if left-handed. j D 112. How do you move around the pole? -- Lateral movement from front to back is not permitted on stepped poles unless climbers are used. -- Visually inspect pole. -- Position safety strap at belt-height or higher for maneuver, keep body erect. 40 1 -- For right maneuver, position right foot one-half step higher than left foot. Position hands on outside edge of safety strap with fingers and thumbs gripping the inside edge one-half the distance between body belt and pole. Shift weight to leading foot. Move hips forward and while supporting body weight with hand, shift the safety strap in the direction of the lateral step. -- Position trailing foot one-half step behind and one-half step below leading foot. -- Shift body weight to trailing foot and continue maneuvering sequence. 3 113, How do you unbelt? -- Visually inspect pole. -- Check feet and legs for circulation and restore if necessary. -- Position right foot higher than left, center and balance weight over left gaff, position left hand around pole. -- Disengage snaphook from right Dee ring, position hand carrying snaphook at shoulder height and transfer snaphook to left hand, transfer weight to right hand, engage snaphook in left Dee ring. -- Reverse if left-handed. 0 114. How do you descend? -- Both hands parallel on the pole. -- Lower the leading foot, engage the gaff and lock the knee. -- Position the following hand 8 to 12 inches below the balancing hand. -- Lower the other foot and penetrate the pole approximately 8 to 12 inches below the opposite foot and lock the knee. -- Drop the following hand below the balancing hand. -- Continue the 3 point technique to the ground. SWBT 001780 41 O 115. How do you step off a pole? -1 -- Visually inspect the area around the base of the pole. r3! 3 - *r* j v *'I :* , i -- Lower the descending foot no more than 12 inches to the ground. -- Lower remaining foot to ground maintaining body balance with both hands on pole until feet are in a stable and balanced position. -- Cover gaffs with guards and remove climbers. Note: For established employees not trained in 3 point climbing method, refer to BSP 620134-010 SWBT 001781 WORKING ALOFT ON POLES References - BSP 620-040*012 Symbols, Poles and Equip ment BSP 620-131-010 Precautions Before Work ing on Poles or Pole Mounted Equipment BSP 621-205-010 Placing or Removing Poles Near Electric Power Wires BSP 621-220-200 Pole Removal BSP 462-400-206 Drop Wire Handling BSP 623-103-010 Preventing flip ups. E 116. What hazards do you look for prior to climbing? -- Base of pole clear of debris, depth of setting. -- Electrical conduits, fixtures, exposed ground wires. -- Climbing obstructions, nails,. traffic signs, clothes lines, hooks, antennas, missing or bent steps, etc. 42 -- Unbalanced loading or distribution. E 117. What causes a hazardous unbalanced condition? -- Unbalanced loading or distribution on a pole. -- Removal of guys. -^^CONFIDENTIAL -- Releasing wires or strand under tension. -- Placing additional wires or strand. -- Tensioning wires or strand. -- Changing locations of wire or strand attach ments. -- Loosening suspension clamps or guy clamps. -- Moving line because of road widening. E 118. Which poles are to be tested? -- All vacant poles or poles with drop wire only. All other poles must be tested unless ail of the following conditions exist: -- The pole is in a straight line section but not a dead end pole. -- The pole is carrying a 6M or larger strand ora full arm of open wire which will remain securely clamped throughout the work oper ation. -- There is no downward grade change at the pole. -- Neither adjacent span is over 165 feet. DE 119. How do you test poles? Pike Pole Test (not to be used on poles with power attached): -- Place the pike against the pole 12 feet above ground level and at a 45 angle. -- Push the pole at right angles to the strand or from all directions if no strand is attached. Hand Line Test (not to be used on poles with power attached): -- Loop the hand line around the pole about 12 feet above the ground. -- Pull the rope at nght angles to the strand or wire 43 SW BT 001782 or in all directions if strand or wire is not attached. Prod and Sound Test -- Use a Prod with a shaft of five inches in length or longer -- Insert the tool at a 45 angle below the ground line. (Most decay occurs 12 inches below ground.) "I -- Wood decay will be evident by the ease with which the tool penetrates pole. -- Sound the pole by striking with a hammer on all ) sides from the ground line to as high as can be reached. The presence of advanced decay can be recognized by the hollow or dull sound. E 120. What do you do if the pole does not pass the test? -- Do not climb. ---Tag with the appropriate pole tag and notify your supervisor E 121. What do you do if pole steps are bent, missing, or loose? -- Bore new lead holes and replace steps. E 122. What are the approach distances to maintain from primary and secondary power? (not to be confused with attachment or clearance distances) -- Do not come closer than the minimum ap proach distances as listed in Table A SWBT 001783 44 < s 1JJ a r'\ *W J table a MINIMUM APPROACH DISTANCES* PHAvSoElTtOagWeASE PHASVEOTLOTACGAEOUN0 DISMITNINACNIHMCEUESMIN 300 volt* and leu 173 volu and te* \vQid contact 300 volt* to 750 volU 750 volU to 2000 volU 2000 volU to 15,000 vr>iU 173 volU to 434 volt* 434 volu to 1160 volU 1160 volUto 650 volU 12 18 24 15.000 volU to 37.000 volU 37,000 volU to 87.500 volU 7,500 volU to 121.000 volu 650 volu to 21,400 volu 21,100 volu to 50,500 volU 50,500 volu to 70.000 volu j j 36 42 48 121.000 volU to 140.000 volU 8170.000 volu to .000 volU 1j p>4. * Vo* to be confuted wttb clearance distances E 123. What are the precautions to take when placing or removing strand, wire or drop wire near power? -- Wear insulating gloves. -- Ground strand. -- Tie down wire or strand where flip-ups might occur. -- Pull in with a hand line if applicable. I I E [ E 124. What are the precautions to follow after storms? -- Perform a visual patrol of the lead or line and survey surroundings for any hazards. -- Wear hard hat, safety glasses, insulating gloves. -- Test all potential electrical hazards. -- Coordinate with power company. DE 125. How does one person place a drop wire across a road? -- Make the building attachment. oo -- Leave the drop wire reel at the building side of t--t the road and place a hand line over the strand or pole attachment to acquire road clearance. -- When no traffic is approaching, carry or roll 03 drop wire reel to base of pole or ladder making sure the drop wire lies flat on the roadbed. CO 45 -- Tie one end of the hand line to the drop wire with a bowline knot and tension the reel brake. -- When no traffic is approaching, pull hand line so that the drop reaches the strand or other attachment and tension the drop enough to provide adequate clearance across the road. -- Snub the hand line to the pole, or ladder. OE 126. What precautions should be taken when removing a drop wire from a span attachment? -- Always place the ladder against the suspension strand so that your weight, while working from the ladder, will not be supported by the drop wire. If this is not possible, release the drop at the house to relieve the tension. E 127. How do you raise and lower hand tools and equipment? -- Use a canvas bucket and/or a hand line. CONfiDENTIAL SWBT 001785 VEHICLES MOUNTED DERRICKS/AERIAL LIFT DEVICES References - BSP 649-300-021 Comer Mounts BSP 649-351-101 Telsta T-40B BSP 649-351-121 Servi Lift BSP 649-351-141 Servi Lift BSP 010-110-006 Near power BSP 081-710-100 Insulating blankets E 128. What are the requirements to operate a derrick or an aerial lift device? -- The operator must be thoroughly trained on the particular vehicle being used. -- The operator must be familiar and use the daily check list and have full knowledge of potential hazards. -- The operator should carry an up-to-date card authorizing him/her to operate the equipment. If card is not available, other documentation of training must exist. DE 129. What precautions do you observe after positioning thevehice? CONFIDENTIAL -- Set parking brake. -- Operate the mico-lock (if equipped) -- Set the wheel chocks. D 130. Where must you stand when operating the controls of derricks? -- Stand in the position provided. -- Never operate from the ground level. 0 131. What to do before extending the digger derrick boom? -- Set the outriggers taking necessary precautions to ensure adequate footing. DE 132. What precautions should you take priorto extending a boom or aerial lift device? -- Check for power. -- If possible power conflict exists, consider re planning the job to eliminate the conflict. DE 133. What precautions must you take when working near power? -- Be prepared for any emergency. -- The operator must stand on the platform or at the console. -- All personnel involved in the work operation must wear insulating gloves. -- Make sure insulating blankets are within reach of all personnel or in the vehicle. -- If there is any doubt that electrical contact exists, assume that the truck is energized. 47 SW BT 001786 -- The derrick shall not come closer than the minimum approach distance listed. MINIMUM APPROACH DISTANCES* VOLTAGE PHASE-TO-PHASE 300 volts and less 300 volts to 750 volts 750 volts to 2000 volts 2000 volts to 15,000 volts 15.000 volts to 37.000 volts 37,000 volts to 87,500 volts 87,500 volts to 121,000 volts 121.000 volts to 140.000 volts VOLTAGE PHASE TO-GROUND 173 volts and lest 173 volts to 434 volts 434 volts to 1160 volts 1160 volts to 8650 volts 8650 volts to 21,400 volts 21,400 volts to 50,500 volts 50,500 volts to 70,000 volts 70.000 volts to 81.000 volts MINIMUM DISTANCE IN INCHES Avoid contact 12 18 24 36 42 48 54 * Not to be confused with clearance distances. e 134. What do you do if the vehicle is suspected of being energized? -- Stay with the vehicle. Do not leave until power contact has been removed or power has beer -y cut off. -- If an emergency arises and personnel musl leave the vehicle, put on rubber gloves, throvr rubber blanket on the groGnd. -- Jump onto the blanket, do not jump in such i way that you may fall back onto the vehicle. SW BT 001787 E 135. How may a pole truck be moved when derrick is noi stowed? -- Have insulating blanket and gloves available it the cab of the truck. -- For short distances, e.g,, pole to pole, the augel may be carried suspended as long as it it secured to the derrick, the derrick stinger if retracted and rotated off the rear of the truck.; 48 -- The auger must not swing, presenting hazards to pedestrians or other vehicles. -- Speed must not exceed a slow walking pace. -- Ensure that outriggers are retracted before moving. g 136. What are the restrictions when using boom tip or turret winch in pole removal? -- Never pull poles with the boom tip winch. -- Always use a pole jack when removing poles. 0 137. What special precautions must be followed when entering a basket? -- Do not exceed the designated basket capacity as stated by the manufacturer. -- Insulating gloves must be in the basket when electrical contact is possible. -- Basket users must weara suitable body belt and safety strap or lanyard and be secured to the retaining ring at all times while in the basket. -- Enter or leave the basket only in the manner recommended by the manufacturer or appro priate BSP. DE 138. What are the precautions when moving a vehicle with a person in the basket? -- The vehicle must be equipped with a two-way intercom in good working order. -- The person in the basket is in command of any vehicle movement. -- The vehicle must be moved at a slow walking pace with the driver watching for bumps, soft shoulders or high crowns. -- The vehicle cab should be equipped with insulating gloves and a rubber blanket. -- Must have upper controls in basket and over riding lower controls for use in case of emerg ency. SWBT 001788 49 'iU L M TIAL SWBT 001789 VEHICLE TRENCHING/PLOWING/BACK HOEING References - BSP 649-400-112, 113, 115 Cable Plows E 139. What are the requirements to operate a trencher or plow? -- Operator must be thoroughly trained on the particular machine. -- The operator must be familiar with and use a daily check list and have full knowledge of potential hazards. -- The operator should carry an up-to-date card authorizing him/her to operate the equipment. If card is not available, other documentation of training must exist. 140. What should be done before the start of trenching or plowing? -- The path the trencher or plow is to follow should be walked to check for obstacles that may damage or tilt the machine. -- Such obstacles should be clearly marked with red flags or other highly visible objects. -- Locate or have all underground utilities located and marked. E 141. Why is a hand signal system necessary? -- This will ensure all are aware of the direction of the vehicle, when to stop, start, or turn the trencher, terrain problems, cable problems, etc. -- A hand signal system must be established with other employees before the start of work operations. E 142. What is the umbrella area of protection? -- The umbrella area of protection is a ten-foot radius around the trencher where no one must enter. -- If anyone enters this area the operator must stop the vehicle. D 143. Where to walk while working with trencher? Walk well ahead or beside trencher. 50 -- Keep out of the umbrella areas so you are clearly visible to the operator. Qg 144. How and where to park the equipment? -- Park well off the traveled portion of the road. -- Rest the blade on a board or rock to prevent freeze-up. -- Remove the keys. CONFiDfHTiAfc SWBT 001790 manholes References - BSP 081-310-103 Manhole Tent BSP 081-700-100, 105,106,107,110,120,122 Gas Indicators BSP 620-140-501 Testing and Ventilating Manholes BSP 620-145-010 Petroleum Products in Underground BSP 620-150-010 Placing and Removing Manhole Covers D 145. What do you do prior to opening a manhole? -- Place work area protection devices. DE 146. How do you test the operation of a gas indicator? NOTE: Failure to pass any of the below tests requires replacement of the meter or parts thereof. Do not enter a manhole with a defective meter. -- Test the battery by squeezing the aspirator bulb five times to clear residual gas and zero in the indicator within the limits prescribed by the manufacturer. 51 * ^ONtiDENTIAL -- Using a gas test kit allow the gas to enter the meter per instructions. -- The indicator should register readings as prescribed by the manufacturer. -- Test for tightness by squeezing the aspirator bulb with hose attached and a finger over the hose opening. Bulb should remain deflated at least 10 seconds. -- Test the filter by squeezing the aspirator | bulb. After releasing, the bulb should inflate ' within five seconds. 147. When do you test for gas in a manhole? -- Immediately after removing manhole cover. -- After purging and entering a manhole. -- A minimum of every two hours after making initial tests. -- A minimum of one hour if manhole tent is used. -- When opening a duct. -- After removal of water from a manhole. -- At every shift change. 148. How do you remove a manhole cover? -- One person can remove the cover by placing the feet solidly clear of the cover bending the knees and keeping the back straight. -- Two persons should first both use their hooks on the same side to break the manhole cover seal. One person then moves to the opposite side of the cover and lifts and assists while the other person pulls. -- Frozen manhole covers should never be thawed with an open flame, Covers can be loosened with a digging bar, hammer or chisel, or by directing a ventilating heater hose at the cover. D 149. How do you test manhole atmosphere? -- Lower the free end of the indicator hose to the point where a person's head will be when working in the manhole. -- If sufficient water is present in the manhole to require pumping, hold the sampling hose one 52 swbt 001791 foot above the water. < - Draw a sample of the atmosphere through the gas indicator by compressing and releasing the aspirator bulb five times plus one squeeze for each five feet of the sampling hose. 'JJ -- Observe the meter pointer continuously from o the first squeeze of the bulb until the test Is completed. 7 c3 KJ -- If the meter pointer moves rapidly to the top of the scale then returns to a point above zero, a heavy concentration of gas is indicated. E 150. What do the different indicator readings mean? A near full scale or full scale movement of the indicator indicates an explosive level of gas. -- A indicator reading over 1.0 or 100% indicates an explosive level and the supervisor should be notified. -- An indicator reading 0.1 to 1,0 or 10% to 100% requires purging and retesting with the blower in operation. If a second test still reads .1 to 1.0 or 10% to 100% do not enter and notify the supervisor. -- An indicator reading below 0.1 or 10% indicates that the manhole may be entered after purging. E 151. What do you do if gasoline fumes are smelled? -- Use a gas indicator and a crushed inhibitor filter (if required for your indicator) to determine if the atmosphere is safe to work in, -- Notify your supervisor immediately if required. * E 152. Why must a manhole be purged? -- No manhole should ever be entered unless the manhole is purged for the required time to dissipate any stagnant gas. ensure against oxygen deficiency and provide a complete air change in the manhole. -- The purging time requirements can be found in BSP 620-140-501 -- Only one 90 bend in the blower hose is permitted while purging. 53 SWBT 001792 DE 153. Where do you locate the ventilating equipment? The blower intake must be away from exhaust fumes. -- The propane source should be in a secured upright position away from the blower intake MJ and if possible lower than the manhole opening. o -- Only two 90 bends are permitted in the blower * 1 hose and the end must be secured in a 'Ssm horizontal position directed toward an end wall of the manhole. o D Jl54. How do you enter a manhole? -- Facing traffic and maintaining three points of contact. Use only an appropriate ladder whose first step : is no more than one foot below the ground j surface. D 155. What additionaf tests are required after entry? -- Duct entrances, corners and generally through out the manhole. j SWBT 001793 | ! BURIED PLANT References - BSP 620-102-010 Underground and Buried i Work ! BSP 622-020-020 Conduit and Manhole Con- 1 struction BSP 622-100-010 Conduit and Manholes BSP 629-100-010 Buried Plant < DE 156. What do you do along the route before digging? -- Determine the locations of existing buried or j 54 i underground telephone cables and foreign plant along the route of work, -- Determine the location of power, gas, CATV, water, sewer and pipe lines. DE 157' What types of hand tools are used when working on buried plant? -- Hand tools with wooden handles only shall be used. -- No digging bars or all metal tools shall be used. 158. What precautions should be taken while hand digging? -- Wear eye protection and insulating gloves and proceed with caution. -- Do not cut, chop or break underground obstruc tions until determining what they are. -- Do not disturb, push away, or lift any electrical plant or pipeline. E 159. What do you do if a gas line is broken? -- Get out of the hole. -- Leave the hole open to allow gas to dissipate. -- Warn residents and the public in the vicinity, -- No smoking or open flames. -- Do not leave the location unguarded. -- See that the fire department is notified. -- See that the gas company is notified. -- Notify supervisor. E 160. What do you do if a power cable is broken? -- Barricade location until condition has been cleared. -- Keep the public away from the area. -- Do not leave the area unguarded. -- See that the proper utility is notified. -- Notify your supervisor. 55 SWBT 001794 "?V ?X N 3 G M N 0 3 DE 161. How do you identify telephone cables in a joint trench? - Electrically identify exposed telephone plant with an approved test set and approved test methods, If ends of cables are exposed and are readily identifiable as telephone, there is no need to electrically test, -- Do not look directly into the sharply severed end of cables that may contain lightwave transmis sions. j 1 DE 162. Who connects bonds to Power Company cable sheath? -- Telephone employees do not connect bonds to Power Company cable sheath. -- Connections to Power Company cable sheath shall be made by the customer's electrician or the Power Company personnel. DE 163. When must shoring be used in a trench? -- Shoring is required in all trenches five feet deep or more, unless excavation is in solid rock orthe sidewalls are tapered back twelve inches for every twelve inches of depth. -- Do not enter trench unless shoring has been provided as prescribed. -- Ladders must be located so as to require no more than 25 feet of lateral travel. DE 164. What precautions should be taken when placing cable terminal posts on joint installations with power? -- The posts should be placed at a minimum of six inches off the trench line before backfilling the trench. SWBT 001795 56 BREAKDOWN test set References - BSP 634-305-501 L5 Test Set BSP 634-305-502 L6 Test set DE &? What must be done to the cable pair being tested? -- It must be isolated in the sections being tested. tu a 'X "Z b DE -- Protective devices must be placed on the C O. frame. -- Multiple terminal appearances must be tagged by an approved method. -- Remove all terminated drop wires. Who must be informed that test is to be made? -- The Maintenance Center shall assist in alerting all employees who are working in the isolated section. OE 167. How do you isolate the breakdown test set from a ground source? -- Place in vehicle. -- Place on insulating blanket or other insulated object. -- Secure to a pole off the ground. OE 168. How do you connect the defective pair to the test set? -- Always connect breakdown test set to both conductors under test or to one side and to another conductor of a crossed pair. -- Never from side to ground. -- Never use 2 test sets connected in series. DE 169. What is the test interval on 105D, 110A, and similar test sets? -- The test interval is for one year and should be marked on the handle. SWBT 001796 57 LIGHTWAVE TRANSMISSION SYSTEMS References - RL 82-11-163 E 170. What are lightwave transmission systems? -- Lightwave transmission systems use semicon ductor laser transmitters that emit lightwaves into lightwave cables. E 171. Who is permitted to vork on lightwave transmission systems? -- Only authorized trained personnel who have had prior eye examination shall be permitted to install or perform service and maintenance or to use associated lightwave test equipment. E 172. What precautions should be taken when working I with lightwave cables and test equipment? 3l | -- Employees should not disconnect any active 2! lightguide cable and stare into the optical connector because of the potential for eye dam age. -- Do not use optical instruments to view unterminated optical connectors. a -- Do not examine or stare into broken, severed, or disconnected lightguide cables. o -- Insure lightwave sources are de-energized dur ing all splicing or maintenance operations. E 173. What is meant by a medical surveillance require ment program? -- Lightwave personnel whose job function re quires that they disconnect optical connectors on energized fibers, use optical test equipment or engage in lightguide splicing operations where there is a possibility that the fibers may be active, must be included in a medical surveillence program. SWBT 001797 58 nitrogen gas References - BSP 637-025-010 Cable Pressure Precau tions BSP 637-300-100 Nitrogen Gas Cylinders E 174. How shall Nitrogen Gas be stored and transported? -- Stored in a secured upright position with protective caps in place and chained or securely strapped to a fixed wall. -- Temporary field located cylinders, both liquid i; rja and dry type must be secured and supported to 1 -.-ja protect the public, 2t -- Liquid nitrogen cylinders should never be '3 placed in manholes or buildings. -- May be transported in a horizontal position on racks in a special compartment, or adequately blocked to prevent movement. -- When not in use the regulators shall be removed and protective caps in place. 175. What may occur when nitrogen is being used in manholes or to boost air pipe pressure? -- Since nitrogen is heavier than air, it will displace the oxygen in a manhole or splice pit. -- Do not enter the manhole or pit without first testing for combustible gas and ventilate as required. 176. How are nitrogen cylinders identified? -- Each tank has a positive identification on the neck of the tank. -- Aluminum nitrogen cylinders must have a label explaining the heat indicating feature and be painted with a special paint that gives a positive indication if the cylinders have been exposed to temperatures in excess of 350 F. SWBT 001798 59 MAPPGAS CWl'4fi References - RL 82-03-018 ; ImL D 177. How shall MAPP Gas be stored and transported? -- In an upright position, with regulator and hose removed - secured from tipping. -- in a marked and ventilated compartment or storage area. -- Never in a vehicle cab, open van, or passenger area. -- Never more than two cylinders per vehicle. -- Keep cylinders away from fire and heat. -- Cylinders must not be placed or stored in an aerial lift bucket. SWBT 001799 DE 178. How shall MAPP Gas be ignited? -- Wear goggles and gloves. -- Secure tank in a ventilated upright position. -- Soap test all fittings. -- Open tank valve 1/2 turn-approximately 10-15 lbs. -- Open the on/off handle valve approximately 1/4 turn. -- Cup the tip in the friction lighter and ignite. -- Fully open the on/off handle valve. -- Adjust for the desired flame by turning the regulator control valve. )E 179. What are the precautions when using a MAPP torch? -- Always be aware of the position of the flame tip. -- Ventilate aerial tents but do not use torch in a draft. -- Do not direct torch against strand, flammable objects or your body. -- If necessary to thaw the cylinder valve, do not use a flame-place the cylinder in a warm room. -- Do not use in manhole, CEF or splicing pit. 60 qE 180. What do you do when torch work is completed? -- Extinguish flame by closing tank valve. -- Allow gas to burn from hose and regulator. -- Close regulator control valve to limit of its travel. -- Never raise, lower or transport a tank with the valve open. SWBT 001800 acetylene gas References - BSP 081-330-105 Acetylene Torches 0 181. How do you ignite an acetylene torch? -- Wear goggles and gloves. -- Position the tank in an upright secured position. -- Soap test all fittings. -- Open the tank valve 1/4 turn. -- Turn the regulator control valve clockwise to the desired pressure. -- Open the valve on the torch handle and ignite with a friction type lighter only. -- Adjust the valve in the torch handle to obtain the desired flame size. D 182. What precautions are required when using a torch? -- Do not use a torch in a manhole, CEF or splicing pit. -- When aloft do not allow the flame to contact strand. -- Do not allow torch to contact flammable material such as conductors, muslin, paraffin, etc. -- If used in a tent the tent must be well ventilated. 61 1 DE 183. What do you do when torch work is completed? -- Extinguish the flame by closing the tank valve. -- Allow gas to burn from hose and regulator. -- Close regulator control valve to limit of its travel. -- Never raise, lower or transport a tank with the tank valve open. CONROE' 4 i SWBT 001801 PROPANE GAS References - BSP 081-315*101 "C" Manhole Heater BSP 081-315-102 LP Gas BSP 081-330-115 "D" Furnace BSP 081-330-116 B, C, D, E, LP Gas Cylinders E 184. What are the dangerous characteristics of pro pane? -- Propane is highly explosive, -- Propane is heavier than air, -- If a leak exists in a tank or valve, the gas will seek the lowest level, which could be a manhole, -- Soap test all fittings. E 185. How should cylinders be stored and transported: -- Secured in an upright position. -- Regulators should be removed and plugs wrench tight. -- They should never be stored or stacked or transported in an enclosure unless the enclo sure is ventilated and specifically provided for j that purpose. j -- Only 80 pounds of propane is permitted on any j vehicle in the garage. j x-/ iNi 4* i L / S i k ' S i I 0 186- What precautions do you take when lighting a furnace or heater? -- Close the furnace control valve, -- Open the valve on the propane cylinder, -- To melt solder or paraffin, set the regulator pressure at 45 PSI. -- When used with a tent heater, set the regulator pressure at 4 PSI, -- Open the control valve 1/4 turn and ignite gas, -- When gas is ignited, open the furnace I control valve fully. ASBESTOS References - SR 80-11-100 PL 80-07-216 E 187. What is asbestos? SWBT 001802 -- Asbestos is a general term for a family of min erals which form naturally as a soft material of compressed fibers. E 188. Where Is asbestos most likely to be found? -- In older buildings. -- In the form of fire protection materials (sprayed on.) -- As insulating materials (pipe covering). 63 E 189. When does asbestos become a health hazard? -- Firmly bound asbestos in a finished form does not present a health hazard. -- When asbestos is disturbed by cutting, sawing or otherwise damaged or deteriorated, released fibers may be inhaled and retained in the lungs and become hazardous. j | ' E 190. What should be done if a work place is suspected as having the potential for asbestos exposure? -- Consult with the owner regarding your sus picions and the risk of asbestos exposure. -- If suspicion of exposure remains, contact your supervisor. SWBT 001803 64