NAVY UNDERWATER CUTTING & WELDING MANUALDISTRIBUTION potx

U.S. NAVY UNDERWATER CUTTING & WELDING MANUAL S0300-BB-MAN-010 0910-LP-111-3300 1 APRIL 1989 Change A Dated 15 September 1995 PUBLISHED BY DIRECTION OF COMMANDER, NAVAL SEA SYSTEMS COMMAND DISTRIBUTION STATEMENT A: THIS DOCUMENT HAS BEEN APPROVED FOR PUBLIC RELEASE AND SALE; ITS DISTRIBUTION IS UNLIMITED. THIS DOCUMENT SUPERSEDES NAVSHIPS 0929-LP-000-8010 Change B Dated 1 June 2002 A Change B Page No.* Change No. Title and A . . . . . . . . . . . . . . . . . . . . . . . . . . B Certification Sheet . . . . . . . . . . . . . . . . . . . . B blank . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . O Change Record . . . . . . . . . . . . . . . . . . . . . . . O Change Record-2 blank . . . . . . . . . . . . . . . . O i . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . O ii blank . . . . . . . . . . . . . . . . . . . . . . . . . . . . . O iii . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A iv . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B v through viii. . . . . . . . . . . . . . . . . . . . . . . . . O ix . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B x through xiii. . . . . . . . . . . . . . . . . . . . . . . . . O xiv blank . . . . . . . . . . . . . . . . . . . . . . . . . . . . O xv through xxiii. . . . . . . . . . . . . . . . . . . . . . . A xxiv blank . . . . . . . . . . . . . . . . . . . . . . . . . . . A 1-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . O 1-2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B 1-3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . O 1-4 blank . . . . . . . . . . . . . . . . . . . . . . . . . . . . O Page No * Change No. 2-1 through 2-32 . . . . . . . . . . . . . . . . . . . . . .O 2-33 through 2-36 . . . . . . . . . . . . . . . . . . . . . B 2-37 through 2-38 . . . . . . . . . . . . . . . . . . . . .O 2-39 through 2-40 . . . . . . . . . . . . . . . . . . . . .A 2-41 through 2-47 . . . . . . . . . . . . . . . . . . . . .O 2-48 blank . . . . . . . . . . . . . . . . . . . . . . . . . . .O 3-1 through 3-26 . . . . . . . . . . . . . . . . . . . . . .O 4-1 through 4-29 . . . . . . . . . . . . . . . . . . . . . .O 4-30 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B A-1 through A-2. . . . . . . . . . . . . . . . . . . . . . .O B-1 through B-2 . . . . . . . . . . . . . . . . . . . . . . .O C-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .O C-2 blank . . . . . . . . . . . . . . . . . . . . . . . . . . . .O D-1 through D-14. . . . . . . . . . . . . . . . . . . . . .A E-1 through E-28 . . . . . . . . . . . . . . . . . . . . . .O Glossary-1 through Glossary-4 . . . . . . . . . . .O Index-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B Index-2 through Index-4 . . . . . . . . . . . . . . . .A LIST OF EFFECTIVE PAGES * 0 in this column indicates an original page. Date of Original Pages is: 1 April 1989 Date of Change A Pages is: 15 September 1995 Date of Change B Pages is: 1 June 2002 S0300-BB-MAN-010 DEPARTMENT OF THE NAVY NAVAL SEA SYSTEMS COMMAND WASHINGTON, D.C. 20362 NAVSEA S0300-BB-MAN-010 0910-LP-111-3301 U.S. NAVY UNDERWATER CUTTING & WELDING MANUAL CHANGE B 1 June 2002 PUBLISHED BY DIRECTION OF COMMANDER, NAVAL SEA SYSTEMS COMMAND NAVSEA S0300-BB-MAN-010 is changed as follows: 1. Remove old pages and insert new pages as indicated in instruction below. Dispose of super- seded pages in accordance with applicable regulations. 2. New or changed material is indicated by a vertical bar in the margin of the page. After the attached enclosures have been inserted, record this CHANGE on the Record of Changes sheet and insert this page behind the Title page. Request for additional copies of this CHANGE shall be submitted to Commanding Officer, Naval Publications and Form Center, 5801 Tabor Avenue, Philadelphia, PA 19120-5099. CHANGE INSTRUCTIONS SHEET 1 OF 1 REMOVE PAGES INSERT PAGES TITLE AND A TITLE AND A CERT SHEET CERT SHEET iv iv ix ix 1-2 1-2 2-33 through 2-36 2-33 through 2-36 4-30 4-30 Index-1 Index-1 [...]... 2-42 Material Requirements for Underwater Shielded Metal-Arc Cutting 2-45 Guide to Steels and Electrodes for Wet Welding 3-4 Electrodes for Underwater Shielded Metal Arc Welding 3-7 Recommended Amperage Settings for Wet Welding to Depths of 50 Feet 3-7 Recommended Equipment for Underwater Arc Cutting and Welding 4-8 Equipment Load-out for Wet Cutting/ Welding Operations 4-22... information on the use of conventional techniques for cutting and welding metals underwater It is written for the U.S Navy diver who specializes in ship salvage and harbor clearance operations It is not a procedural guide for certifiable welding used in pre-planned underwater ship husbandry applications Divers who perform underwater cutting and welding must have greater skill and stamina than those... conformance with the U.S Navy Diving Manual (NAVSEA 0994-LP-001-9010) and standard Navy safety practices Appendix D covers safety in greater detail 1-2 UNDERWATER CUTTING OVERVIEW There are two underwater cutting processes currently approved for Navy use They are: • Oxygen-Arc cutting with exothermic electrodes, Steel-tubular electrodes and Kerie Cable; and, • Shielded metal-arc cutting Of these, oxygen-arc... make underwater cutting and welding difficult Whenever practical, cutting techniques are preferred over welding during ship salvage operations For example, when wrecking in place is the salvage technique, a chain reeved through two holes cut in the hull and around a transverse frame is the preferred attachment method over a welded padeye Only personnel trained and qualified in underwater cutting and welding. .. 2-6a Underwater Oxygen-Arc Cutting Torch Breakdown (Arcair) 2-19 2-6b Underwater Oxygen-Arc Cutting Torch Breakdown (BROCO) 2-20 2-6c Underwater Oxygen-Arc Cutting Torch Breakdown (Craftsweld) 2-21 2-7 Technique for Cutting Steel Using Exothermic Electrode 2-29 2-8 Seeler Kerie Cable Control Panel 2-36 2-9 Typical Kerie Cable Set Up 2-38 2-10 Technique for Underwater. .. above shortfalls, underwater welds of good strength that are acceptable for salvage work are possible Unless otherwise specified, the term underwater welding as used in this manual refers to the wet welding technique where no mechanical barrier separates the welding arc from the surrounding water The two types of welding to be covered in this manual are: • wet welding and • dry welding at the “splash... requires the use of underwater cutting equipment This chapter presents detailed technical information and procedures to be used while engaged in underwater cutting operations As previously mentioned, there are two methods of underwater cutting currently being used: oxygen-arc and shielded metal-arc cutting Each method is discussed in this chapter 2-1 S0300-BB-MAN-010 2-2 OXYGEN-ARC CUTTING There are... over oxy-arc when cutting metal of 1/4-inch or less in thickness or when cutting non-ferrous or corrosion-resistant metal of any thickness Each underwater cutting method is covered in detail in Chapter 2 1-3 UNDER WA TER WELDING OVERVIEW The installation of large patches, as well as the attachment of suitable pad-eyes presents a more complicated problem to the diver than does underwater cutting Considerable... Operating Data Cutting Carbon Steel E-6 Equipment and Material Requirements for Underwater MAPP Gas Cutting E-11 Regulator Gauge Settings E-13 Recommended Cutting Tip Sizes E-14 Recommended Pressure Settings and Hose Size Selection Chart E-17 Surface Welding Electrodes Suitable for Wet Welding E-23 Recommended Amperage Settings for Wet Welding to Depths... S0300-BB-MAN-010 CHAPTER 2 UNDERWATER CUTTING WARNING Serious injury or death may result when adequate precautions are not followed during underwater cutting or welding operations Supervisors shall ensure that all personnel become thoroughly familiar with the safety precautions covered in Appendix D WARNING Under no circumstances shall compressed air be substituted for oxygen in underwater cutting operations . TABLES xi STANDARD NAVY SYNTAX SUMMARY xiii SAFETY SUMMARY xv 1 INTRODUCTION 1-1 SCOPE 1-1 1-2 UNDERWATER CUTTING OVERVIEW 1-1 1-3 UNDERWATER WELDING OVERVIEW 1-2 2 UNDERWATER CUTTING 2-1 INTRODUCTION. Series instruction manual, " ;Navy Safety Precautions." Personnel required to perform underwater cutting or welding operations shall be graduates of a U. S. Navy Diving School, thoroughly. Preparation 2-39 2-4.5 Cutting Underwater 2-39 2-4.6 Cutting Technique 2-40 2-4.7 Cutting Thin Metals 2-40 2-4.8 Cutting Thick Metals 2-41 2-4.9 Re-Lighting Cable Underwater 2-43 2-4.10