1、 NOT MEASUREMENT SENSITIVE MIL-STD-3026 29 August 2008 DEPARTMENT OF DEFENSE STANDARD PRACTICE CHEMICAL CLEANING OF SEWAGE COLLECTION PIPING SYSTEMS ON NAVY SURFACE SHIPS AMSC N/A FSC 4630 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-STD-3026
2、FOREWORD 1. This standard is approved for use by all Departments and Agencies of the Department of Defense. 2. This standard covers the requirements for the use of chemical cleaning processes to remove scale accumulations from Navy surface ship sewage collection piping systems. 3. Comments, suggesti
3、ons, or questions on this document should be addressed to: Commander, Naval Sea Systems Command, ATTN: SEA 05M2, 1333 Isaac Hull Avenue, SE, Stop 5160, Washington Navy Yard DC 20376-5160 or emailed to CommandStandardsnavy.mil, with the subject line “Document Comment”. Since contact information can c
4、hange, you may want to verify the currency of this address information using the ASSIST Online database at http:/assist.daps.dla.mil. ii Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-STD-3026 CONTENTS PARAGRAPH PAGE 1. SCOPE11.1 Scope.11.2 Clas
5、sification 11.3 Applicability .12. APPLICABLE DOCUMENTS 12.1 General12.2 Government documents 12.2.1 Specifications, standards, and handbooks 12.2.2 Other Government documents, drawings, and publications.12.3 Non-Government publications22.4 Order of precedence33. DEFINITIONS .33.1 Borescope33.2 Comp
6、onent33.3 Graywater33.4 Hydrogen sulfide.33.5 Inorganic .33.6 Organic33.7 Scale33.8 Sewage33.9 Sewage piping.33.9.1 Type A sewage piping system33.9.2 Type B sewage piping system33.10 Trap.33.11 Ultrasonic test .33.12 Zone 33.13 Abbreviations and acronyms.34. GENERAL REQUIREMENTS44.1 Toxic chemicals,
7、 hazardous substances, or ozone-depleting chemicals .44.2 Recycled, recovered, or environmentally preferable materials.44.3 Utilities .44.4 Sewage piping cleanliness 45. DETAILED REQUIREMENTS.55.1 Cleaning chemical.55.1.1 Materials to be removed.55.1.2 Sewage system deterioration55.2 Cleaning chemic
8、al product corrosion rates .55.2.1 Corrosion testing 55.2.2 Independent test laboratories55.3 Neutralizer 55.4 Defoamer 6iii Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-STD-3026 PARAGRAPH PAGE 5.5 Equipment.65.5.1 Personal protective equipmen
9、t (PPE).65.5.2 Auxiliary equipment.65.5.3 Basic equipment.65.5.4 Special interzone piping manifolds 65.5.5 Test and monitoring equipment65.6 Personnel.65.7 Safety and health precautions .75.8 Areas to be cleaned .85.9 Preliminary requirements85.9.1 Process accomplishment and control85.9.2 Operationa
10、l requirement.85.9.3 Ship survey.85.9.4 Ships force and contracting activity briefings.85.9.5 Ships force cooperation.85.9.6 Material safety data sheets (MSDS).95.9.7 Multiplex communication 95.10 Job preparation95.10.1 Interference removal 95.10.2 Lagging removal 95.10.3 Securing sanitary spaces.95
11、.10.4 Securing graywater sources95.10.5 Sanitary system valve alignment and tag out .95.10.6 Water flush and flow obstruction removal .95.10.7 Locating and repairing water leaks.95.10.8 Manual cleaning of components.95.10.9 Electrical equipment tag out.95.11 Sewage piping inspections and tests .95.1
12、1.1 Visual inspections 105.11.2 Borescope inspections105.11.3 Ultrasonic thickness measurements105.11.3.1 UT measurements for leaking piping.105.11.3.2 UT measurements for non-leaking piping (optional).105.11.4 Pre-chemical cleaning inspection.115.11.4.1 Piping exterior inspection115.11.4.2 Piping l
13、eak repair.115.11.4.3 Piping interior inspection.115.11.4.4 UT measurements (background)115.11.5 In-process chemical cleaning inspections 115.11.5.1 Piping exterior inspection115.11.5.2 Piping interior inspection.115.11.5.3 UT measurements (in-process)115.11.6 Post-chemical cleaning inspection .135.
14、11.6.1 Piping interior inspection.135.11.6.2 UT measurements (post-cleaning).135.12 Equipment set-up 13iv Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-STD-3026 PARAGRAPH PAGE 5.12.1 Staging of material and equipment.135.12.2 Ventilation verifi
15、cation and installation .135.12.3 Supply pumping station set-up.135.12.4 Return pumping station set-up .135.12.4.1 Type A sewage piping systems135.12.4.2 Type B sewage piping systems145.12.5 Sanitary space set-up145.12.6 Interzone piping set-up.145.12.7 Routing chemical cleaning hoses .145.12.8 Cove
16、ring susceptible equipment and deck drains.145.13 Leakage handling155.13.1 Maintaining roving patrol.155.13.2 Sewage/water leaks 155.13.3 Chemical leaks .155.13.4 Piping repair testing .155.14 Establishing integrity of recirculation loop with water.155.14.1 Recirculating with freshwater 155.14.2 Iso
17、lating and repairing leaks.155.15 Testing and renewing chemical cleaning solution 155.15.1 Maximum strength .155.15.2 Minimum strength155.15.3 Chemical solution sampling .155.15.4 Chemical solution testing .165.15.5 Renewing or replacing chemical solution 165.16 Chemical cleaning procedures 165.16.1
18、 Preliminary.165.16.2 Daily briefing .165.16.3 Chemically cleaning piping system165.16.4 Evacuating partially spent cleaning solution165.16.5 Neutralizing and transferring cleaning solution .175.16.6 Neutralizing sewage piping system175.16.7 Evacuating neutralizer solution 175.16.8 Neutralizing and
19、transferring neutralizer solution175.16.9 Piping system water flush 175.16.10 Evacuating water flush solution .175.16.11 Transferring flush water solution .175.17 Post-chemical cleaning requirements175.17.1 Post-chemical cleaning inspection .175.17.2 Disposing of wastewater 175.17.3 Restoring sewage
20、 piping and sewage systems to operational condition.175.17.3.1 Repairing/replacing valves and flanges .175.17.3.2 Repairing/replacing temporary and deteriorated piping, and removing foreign objects185.17.3.3 Testing integrity of piping .185.17.3.3.1 Type A system piping test.185.17.3.3.2 Type B syst
21、em piping test.185.17.3.4 Cleaning and painting piping.18v Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-STD-3026 vi PARAGRAPH PAGE 5.17.3.5 Replacing lagging185.17.3.6 Replacing interferences .185.17.3.7 Deinstalling and removing supply pumpin
22、g station 185.17.3.8 Deinstalling and removing return pumping station .185.17.3.8.1 Type A sewage piping systems.185.17.3.8.2 Type B sewage piping systems .195.17.3.9 Restoring sanitary and other effected spaces.195.17.3.10 Opening graywater sources195.17.3.11 Removing chemical cleaning hoses.195.17
23、.3.12 Removing tags from electrical equipment.195.17.3.13 Aligning and removing tags from sanitary system valves .195.17.4 Conducting operational test of sewage system.196. NOTES .196.1 Intended use 196.2 Acquisition requirements 196.3 Subject term (key word) listing.20CONCLUDING MATERIAL .20FIGURES
24、 1. Sequence of chemical cleaning inspections12TABLES I. Metals to be exposed to corrosion tests.5II. Maximum permissible corrosion rates for chemical cleaning products.5Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-STD-3026 1. SCOPE 1.1 Scope.
25、 This standard covers the requirements for the use of chemical cleaning processes to remove scale accumulations from Navy surface ship sewage collection piping (hereinafter sewage piping unless otherwise indicated) systems. 1.2 Classification. Sewage piping systems requiring chemical cleaning are of
26、 the following types: Type A Non-vented, vacuum drain sewage piping system. Type B Vented gravity drain sewage piping system. 1.3 Applicability. Chemical cleaning processes covered by this standard are applicable to the sewage collection piping on surface ships. 2. APPLICABLE DOCUMENTS 2.1 General.
27、The documents listed in this section are specified in sections 3, 4, or 5 of this standard. This section does not include documents cited in other sections of this standard or recommended for additional information or as examples. While every effort has been made to ensure the completeness of this l
28、ist, document users are cautioned that they must meet all specified requirements of documents cited in sections 3, 4, or 5 of this standard, whether or not they are listed. 2.2 Government documents. 2.2.1 Specifications, standards, and handbooks. The following specifications, standards, and handbook
29、s form a part of this document to the extent specified herein. Unless otherwise specified, the issues of these documents are those cited in the solicitation or contract. DEPARTMENT OF DEFENSE SPECIFICATIONS MIL-T-16420 - Tube, Copper-Nickel Alloy, Seamless and Welded (Copper Alloy Numbers 715 and 70
30、6) (Copies of this document are available online at http:/assist.daps.dla.mil/quicksearch/ or from the Standardization Document Order Desk, 700 Robbins Avenue, Building 4D, Philadelphia, PA 19111-5094.) 2.2.2 Other Government documents, drawings, and publications. The following other Government docu
31、ments, drawings, and publications form a part of this document to the extent specified herein. Unless otherwise specified, the issues of these documents are those cited in the solicitation or contract. CODE OF FEDERAL REGULATIONS (CFR) 29 CFR 1915 - Occupational Safety and Health Standards for Shipy
32、ard Employment (Copies of this document are available from the Superintendent of Documents, U.S. Government Printing Office, Washington DC 20401 or online at www.gpoaccess.gov/index.html.) NAVAL SEA SYSTEMS COMMAND PUBLICATIONS NAVSEA Standard Item 009-01 - General Criteria; Accomplish NAVSEA Standa
33、rd Item 009-09 - Process Control Procedure (PCP); Provide and Accomplish NAVSEA Standard Item 009-10 - Shipboard Asbestos-Containing Material (ACM); Control NAVSEA Standard Item 009-11 - Insulation and Lagging Requirements; Accomplish 1 Provided by IHSNot for ResaleNo reproduction or networking perm
34、itted without license from IHS-,-,-MIL-STD-3026 NAVSEA Standard Item 009-12 - Welding, Fabrication, and Inspection Requirements; Accomplish NAVSEA Standard Item 009-23 - Interferences; Remove and Install NAVSEA Standard Item 009-24 - Authorization, Control, Isolation, Blanking, and Tagging Requireme
35、nts; Accomplish NAVSEA Standard Item 009-32 - Cleaning and Painting Requirements; Accomplish NAVSEA Standard Item 009-71 - Testing Requirements for Piping Systems; Accomplish NAVSEA Standard Item 009-88 - Collection, Holding and Transfer (CHT) and Mogas Tanks, Spaces, and Piping, including Sewage or
36、 Mogas-Contaminated Tanks, Spaces, and Piping; Certify (Copies of these documents are available from http:/www.sermc.surfor.navy.mil/ssrac1/standard.htm.) S9AA0-AB-GOS-010 - General Specifications for Overhaul of Surface Ships (GSO) General Requirements for Piping Systems, Section 505 S9074-AR-GIB-0
37、10/278 - Requirements for Fabrication Welding and Inspection, and Casting Inspection and Repair for Machinery, Piping, and Pressure Vessels S9086-CH-STM-030 - NSTM Chapter 074, Volume 3, Gas Free Engineering S9086-KC-STM-010 - NSTM Chapter 300, Electric Plant S9086-RK-STM-010 - NSTM Chapter 505, Pip
38、ing Systems S9086-T8-STM-010 - NSTM Chapter 593, Pollution Control T9074-AS-GIB-010 - Requirements for Nondestructive Testing Methods (Copies of these documents are available from the Naval Logistics Library, 5450 Carlisle Pike, Mechanicsburg, PA 17055 or online at http:/nll.ahf.nmci.navy.mil/.) OFF
39、ICE OF THE CHIEF OF NAVAL OPERATIONS (OPNAV) DIRECTIVES OPNAVINST 5100.23 - Navy Safety and Occupational Health (SOH) Program Manual (Copies of this document are available from the Department of the Navy Issuances, SECNAV/OPNAV Directives Control Office (DNS-5), Washington Navy Yard, Building 36, 72
40、0 Kennon Street, SE, Room 203, Washington Navy Yard, DC 20374-5074 or online at http:/doni.daps.dla.mil/default.aspx). NOTE: Access to some websites in which certain government documents are available may be restricted to government personnel. When this is the case, contact the government activity s
41、ponsoring the chemical cleaning to obtain copies of the applicable documents. 2.3 Non-Government publications. The following documents form a part of this document to the extent specified herein. Unless otherwise specified, the issues of these documents are those cited in the solicitation or contrac
42、t. ASTM INTERNATIONAL ASTM B61 - Standard Specification for Steam or Valve Bronze Castings 2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-STD-3026 ASTM E527 - Standard Practices for Numbering Metals and Alloys in the Unified Numbering System (
43、UNS) ASTM G31 - Standard Practice for Laboratory Immersion Corrosion Testing of Metals (Copies of these documents are available from ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959 or online at www.astm.org.) NATIONAL FIRE PROTECTION ASSOCIATION (NFPA) NFPA 3
44、06 - Standard for the Control of Gas Hazards on Vessels (Copies of this document are available from NFPA, 1 Batterymarch Park, Quincy, MA 02169-7471 or online at www.nfpa.org). 2.4 Order of precedence. Unless otherwise noted herein or in the contract, in the event of a conflict between the text of t
45、his document and the references cited herein, the text of this document takes precedence. Nothing in this document, however, supersedes applicable laws and regulations unless a specific exemption has been obtained. 3. DEFINITIONS 3.1 Borescope. A device used to examine the interior of sewage piping
46、consisting of a flexible tube with an eyepiece on one end and an objective lens on the other, linked together by a relay optical system in between. 3.2 Component. Components refer to items such as valves, fittings, traps and anodes in the sewage and graywater systems. 3.3 Graywater. Graywater is dis
47、carded water from deck drains, lavatories, showers, dishwashers, laundries, galley and medical facilities, but does not include industrial wastes, infectious wastes, and human body wastes. 3.4 Hydrogen sulfide. A flammable, poisonous gas that has an odor suggestive of rotten eggs. 3.5 Inorganic. A n
48、on-organic substance not arising from natural growth; mineral. 3.6 Organic. Any chemical compound containing carbon. 3.7 Scale. A dense, hard material that builds up in both freshwater and seawater-serviced shipboard sewage drains that is composed predominantly of calcium and magnesium-based salts w
49、ith traces of organic matter. 3.8 Sewage. Human body wastes and the wastes from toilets and other receptacles intended to receive or retain body wastes. 3.9 Sewage piping. Piping drains that serve water closets, urinals, and other fixtures that carry human waste. 3.9.1 Type A sewage piping system. A shipboard non-vented vacuum drain sewage piping syste
