{"id":449512,"date":"2024-10-20T09:03:21","date_gmt":"2024-10-20T09:03:21","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/awwa-m14-2024-5thed\/"},"modified":"2024-10-26T16:55:28","modified_gmt":"2024-10-26T16:55:28","slug":"awwa-m14-2024-5thed","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/awwa\/awwa-m14-2024-5thed\/","title":{"rendered":"AWWA M14 2024 5thed"},"content":{"rendered":"

This manual describes the causes and prevention of backflow and cross-connections in potable water systems.<\/p>\n

PDF Catalog<\/h4>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
PDF Pages<\/th>\nPDF Title<\/th>\n<\/tr>\n
4<\/td>\nPreface, ix <\/td>\n<\/tr>\n
16<\/td>\nMETRIC CONVERSIONS <\/td>\n<\/tr>\n
18<\/td>\nChapter\u20021
Introduction <\/td>\n<\/tr>\n
19<\/td>\nPURPOSE OF MANUAL
SAFE DRINKING WATER ACT <\/td>\n<\/tr>\n
21<\/td>\nPUBLIC WATER SYSTEM RESPONSIBILITIES <\/td>\n<\/tr>\n
22<\/td>\nPROTECTING THE PUBLIC HEALTH (Program Implementation) <\/td>\n<\/tr>\n
23<\/td>\nFigure 1-1\u2003Illustration of protective devices and a dedicated line for potable water <\/td>\n<\/tr>\n
24<\/td>\nFigure 1-2\u2003Location on private side of property line <\/td>\n<\/tr>\n
25<\/td>\nFigure 1-3 \u2003Location on public entity side of property line <\/td>\n<\/tr>\n
26<\/td>\nFigure 1-4\u2003Commercial property with fire protection system <\/td>\n<\/tr>\n
27<\/td>\nPUBLIC HEALTH AND PLUMBING CODES <\/td>\n<\/tr>\n
28<\/td>\nPUBLIC HEALTH PARAMETERS <\/td>\n<\/tr>\n
30<\/td>\nLEGAL ASPECTS <\/td>\n<\/tr>\n
31<\/td>\nREFERENCES <\/td>\n<\/tr>\n
32<\/td>\nChapter\u20022
Backflow Prevention Principles
BASIC HYDRAULICS <\/td>\n<\/tr>\n
33<\/td>\nFigure 2-1a\u2003Example of barometric loop in a piping configuration <\/td>\n<\/tr>\n
34<\/td>\nTYPES OF BACKFLOW
Figure 2-1b\u2003Example of barometric loop outside building <\/td>\n<\/tr>\n
36<\/td>\nFigure 2-2\u2003Backsiphonage backflow due to high rate of water withdrawal <\/td>\n<\/tr>\n
38<\/td>\nFigure 2-3\u2003Backpressure backflow caused by carbon dioxide cylinder <\/td>\n<\/tr>\n
39<\/td>\nFigure 2-4\u2003Backpressure backflow caused by pumping system <\/td>\n<\/tr>\n
40<\/td>\nFigure 2-5\u2003Backsiphonage backflow caused by reduced pressure on suction side of booster pump <\/td>\n<\/tr>\n
41<\/td>\nFigure 2-6\u2003Backsiphonage backflow caused by shutdown of water system <\/td>\n<\/tr>\n
42<\/td>\nASSESSING OTHER RISK FACTORS <\/td>\n<\/tr>\n
43<\/td>\nTYPES OF ASSEMBLIES AND DEVICES <\/td>\n<\/tr>\n
44<\/td>\nTable 2-1\u2003Means of backflow prevention in the United States
Table 2-2\u2003Selection guide for backflow preventers in Canada (See Clauses 5.3.1.1 and 5.4.1) <\/td>\n<\/tr>\n
46<\/td>\nChapter\u20023
Cross-Connection Control Program Administration <\/td>\n<\/tr>\n
47<\/td>\nDEVELOPING A CROSS-CONNECTION CONTROL PROGRAM
TYPES OF CROSS-CONNECTION CONTROL PROGRAMS <\/td>\n<\/tr>\n
52<\/td>\nMANAGEMENT PROGRAMS <\/td>\n<\/tr>\n
56<\/td>\nDOCUMENTATION <\/td>\n<\/tr>\n
57<\/td>\nHUMAN RESOURCES <\/td>\n<\/tr>\n
58<\/td>\nPROGRAM ADMINISTRATION <\/td>\n<\/tr>\n
66<\/td>\nChapter\u20024
Backflow Prevention Assembly, Device, and Method: Application, Installation, and Maintenance <\/td>\n<\/tr>\n
67<\/td>\nWhat IS USED TO PREVENT BACKFLOW
BACKFLOW PREVENTION DEVICES <\/td>\n<\/tr>\n
68<\/td>\nDUAL CHECK VALVE (DCV)
Figure 4-1\u2003Dual check valve <\/td>\n<\/tr>\n
69<\/td>\nDUAL CHECK VALVE WITH ATMOSPHERIC VENT (DCVwAV)
Figure 4-2\u2003Dual check valve with atmospheric port (vent) <\/td>\n<\/tr>\n
70<\/td>\nATMOSPHERIC VACUUM BREAKER (AVB)
Figure 4-3\u2003Atmospheric vacuum breaker <\/td>\n<\/tr>\n
71<\/td>\nHOSE BIBB VACUUM BREAKER (HBVB)
BACKFLOW PREVENTION ASSEMBLIES (SPECIFICATION, REQUIREMENTS, AND GUIDELINES)
Figure 4-4\u2003Hose bibb vacuum breaker <\/td>\n<\/tr>\n
75<\/td>\nFigure 4-5\u2003Pressure vacuum breaker assembly\u2014flow condition <\/td>\n<\/tr>\n
76<\/td>\nFigure 4-6\u2003Pressure vacuum breaker assembly\u2014backsiphonage condition <\/td>\n<\/tr>\n
77<\/td>\nSPILL-RESISTANT PRESSURE VACUUM BREAKER (SRPVB)
Figure 4-7\u2003Spill-resistant pressure vacuum breaker\u2014normal flow and backsiphonage conditions <\/td>\n<\/tr>\n
78<\/td>\nFigure 4-8\u2003Double check valve assembly\u2014flow check valves open <\/td>\n<\/tr>\n
79<\/td>\nFigure 4-9\u2003Double check valve assembly\u2014backpressure with both check valves closed
Figure 4-10\u2003\ufffdDouble check valve assembly\u2014subatmospheric supply pressure\u2014check valves closed <\/td>\n<\/tr>\n
80<\/td>\nFigure 4-11\u2003Typical double check valve assembly\u2014applications <\/td>\n<\/tr>\n
81<\/td>\nFigure 4-12\u2003\ufffdReduced-pressure principle backflow prevention assembly, both check valves open and the differential pressure relief valve closed <\/td>\n<\/tr>\n
82<\/td>\nFigure 4-13\u2003Both check valves closed and the differential pressure relief valve open
Figure 4-14\u2003\ufffdBackpressure: both check valves closed and the differential pressure relief valve closed <\/td>\n<\/tr>\n
83<\/td>\nFigure 4-15\u2003\ufffdBacksiphonage: both check valves closed and the differential pressure relief valve open <\/td>\n<\/tr>\n
84<\/td>\nFigure 4-16\u2003Typical reduced-pressure principle backflow prevention applications
Figure 4-17\u2003Double check detector backflow prevention assembly <\/td>\n<\/tr>\n
85<\/td>\nFigure 4-18\u2003Type II double check detector backflow prevention assembly <\/td>\n<\/tr>\n
86<\/td>\nFigure 4-19\u2003Reduced pressure principle detector backflow prevention assembly <\/td>\n<\/tr>\n
87<\/td>\nFigure 4-20\u2003Type II reduced pressure principle detector backflow prevention assembly <\/td>\n<\/tr>\n
88<\/td>\nFigure 4-21\u2003Air gap on tank <\/td>\n<\/tr>\n
89<\/td>\nFIELD-TESTING
Figure 4-22 \u2003Air gap on lavatory
Figure 4-23\u2003Typical air gap applications <\/td>\n<\/tr>\n
90<\/td>\nFigure 4-24\u2003Additional typical air gap applications <\/td>\n<\/tr>\n
94<\/td>\nChapter\u20025
Cross-Connection Control Survey <\/td>\n<\/tr>\n
95<\/td>\nPURPOSE OF A CROSS-CONNECTION CONTROL SURVEY <\/td>\n<\/tr>\n
96<\/td>\nSurvey CONSIDERATIONS AND CONCEPTS <\/td>\n<\/tr>\n
97<\/td>\nFigure 5-1\u2003\ufffdInternal plumbing controlled pursuant to plumbing code and containment assembly used for process water
Figure 5-2\u2003\ufffdService line backflow prevention assembly installed pursuant to statute, internal plumbing controlled pursuant to plumbing code, and containment assembly used for process water <\/td>\n<\/tr>\n
98<\/td>\nFigure 5-3\u2003Internal plumbing controlled pursuant to plumbing code and containment assembly used for process water and fire system
Figure 5-4\u2003Service line backflow prevention assembly installed pursuant to statute, internal plumbing controlled pursuant to plumbing code, and containment assembly used for process water and fire system <\/td>\n<\/tr>\n
99<\/td>\nCONDUCTING THE SURVEY <\/td>\n<\/tr>\n
104<\/td>\nAUTHORITY AND RESPONSIBILITIES
REFERENCES <\/td>\n<\/tr>\n
106<\/td>\nChapter\u20026
Sample Hazards and Proper Protection <\/td>\n<\/tr>\n
107<\/td>\nTYPICAL HAZARDS <\/td>\n<\/tr>\n
115<\/td>\nHAZARDS POSED BY A WATER SUPPLIER
Table 6-1\u2003Recommended protection for solar domestic hot-water systems <\/td>\n<\/tr>\n
118<\/td>\nTable 6-2\u2003Recommended protection at fixtures and equipment found in water treatment plants <\/td>\n<\/tr>\n
119<\/td>\nFigure 6-1\u2003Cross-connection control, water treatment plants
Figure 6-2\u2003Service-containment and area-isolation water treatment plants <\/td>\n<\/tr>\n
120<\/td>\nPROTECTION FOR SPECIFIC CUSTOMERS
Table 6-3\u2003For containment <\/td>\n<\/tr>\n
121<\/td>\nTable 6-4\u2003Containment protection
Table 6-5\u2003Typical backflow devices
Table 6-6\u2003Irrigation and hose connection protection <\/td>\n<\/tr>\n
122<\/td>\nTable 6-7\u2003\ufffdMeans of backflow prevention in Canada (pending permission) (see Clauses 5.3.1.1 and 5.4.1) <\/td>\n<\/tr>\n
123<\/td>\nREFERENCES <\/td>\n<\/tr>\n
131<\/td>\nFigure B-1\tDouble check valve assembly <\/td>\n<\/tr>\n
132<\/td>\nFigure B-2\tNo backpressure <\/td>\n<\/tr>\n
133<\/td>\nFigure B-3\tBackpressure conditions <\/td>\n<\/tr>\n
134<\/td>\nFigure B-4\tDCVA\u2014first check valve differential pressure test step #2 <\/td>\n<\/tr>\n
136<\/td>\nFigure B-5\tDCVA\u2014second check valve differential pressure test step #3 <\/td>\n<\/tr>\n
138<\/td>\nFigure B-6\tDCVA\u2014No-flow tightness validation test step #4 <\/td>\n<\/tr>\n
140<\/td>\nFigure B-7\tReduces pressure principle backflow prevention device assembly <\/td>\n<\/tr>\n
143<\/td>\nFigure B-8a\u2003RPZ\u2014Step #1, drip tight\ufffdFigure B-8b\u2003RPZ\u2014Step #1, not drip tight <\/td>\n<\/tr>\n
146<\/td>\nFigure B-9\u2003RPZ\u2014First check valve differential pressure test step #1A <\/td>\n<\/tr>\n
147<\/td>\nFigure B-10\u2003RPZ\u2014Second check valve tightness test step #2 <\/td>\n<\/tr>\n
149<\/td>\nFigure B-11\u2003RPZ\u2014No-flow tightness validation test Step #3 <\/td>\n<\/tr>\n
151<\/td>\nFigure B-12\u2003RPZ\u2014Relief valve opening point step #4 <\/td>\n<\/tr>\n
152<\/td>\nFigure B-13\u2003RPZ\u2014Second check valve differential pressure test step #5 <\/td>\n<\/tr>\n
153<\/td>\nFigure B-14\u2003Tee fitting <\/td>\n<\/tr>\n
154<\/td>\nFigure B-15\u2003Tee fitting connection test cock #4
Figure B-16\u2003Bypass hose connection <\/td>\n<\/tr>\n
156<\/td>\nFigure B-17\u2003RPZ\u2014Relief valve opening point with tee fitting
Figure B-18\u2003Pressure vacuum breaker <\/td>\n<\/tr>\n
158<\/td>\nFigure B-19\u2003PVB\u2014Check valve differential pressure measurement step #1 <\/td>\n<\/tr>\n
159<\/td>\nFigure B-20\u2003PVB\u2014No-flow tightness validation test step #2 <\/td>\n<\/tr>\n
160<\/td>\nFigure B-21\u2003PVB air inlet valve test step #3 <\/td>\n<\/tr>\n
162<\/td>\nFigure B-22\u2003PVB\u2014Air inlet valve test leaking upstream shutoff valve step #3A <\/td>\n<\/tr>\n
164<\/td>\nFigure B-23\u2003Spill-resistant pressure vacuum breaker <\/td>\n<\/tr>\n
165<\/td>\nFigure B-24\u2003SRPVB\u2014No-flow tightness validation test step #1 <\/td>\n<\/tr>\n
167<\/td>\nFigure B-25\u2003SRPVB\u2014Check valve differential pressure measurement step #2 <\/td>\n<\/tr>\n
168<\/td>\nFigure B-26\u2003SRPVB\u2014Air inlet valve opening point step #3 <\/td>\n<\/tr>\n
170<\/td>\nFigure B-27\u2003Compensating bleed-off valve
Figure B-28\u2003\ufffdSRPVB\u2014Check valve differential pressure measurement leaking upstream shutoff valve step #2A <\/td>\n<\/tr>\n
172<\/td>\nFigure B-29\u2003SRPVB\u2014Air inlet valve opening point leaking upstream shutoff valve step #3A <\/td>\n<\/tr>\n
174<\/td>\nFigure B-30\u2003NEWWA backflow prevention device assembly test report form <\/td>\n<\/tr>\n
180<\/td>\nFigure B-31\u2003Sample test report form <\/td>\n<\/tr>\n
181<\/td>\nFigure B-32\u2003Ground wire installation <\/td>\n<\/tr>\n
182<\/td>\nFigure B-33\u2003Ground wire installation <\/td>\n<\/tr>\n
194<\/td>\nFigure B-34\u2003Major component parts of five-valve differential pressure gauge test equipment <\/td>\n<\/tr>\n
195<\/td>\nFigure B-35\u2003\ufffdDifferential pressure gauge test kit, five-valve model <\/td>\n<\/tr>\n
196<\/td>\nFigure B-36\u2003\ufffdDifferential pressure gauge showing hose connections to test the components of an RPBA <\/td>\n<\/tr>\n
197<\/td>\nFigure B-37\u2003\ufffdDifferential pressure gauge showing hose connections to test the #1 check valve of a DCVA
Figure B-38\u2003\ufffdDifferential pressure gauge showing hose connections to test a PVBA air inlet <\/td>\n<\/tr>\n
198<\/td>\nFigure B-39\u2003Pressure gauge showing hose connections to test a PVBA check valve
Figure B-40\u2003\ufffdDifferential pressure gauge showing hose connections to test both the check valve and air inlet of an SVBA <\/td>\n<\/tr>\n
230<\/td>\nFigure B-41\u2003Test 1\u2014CV #1 <\/td>\n<\/tr>\n
231<\/td>\nFigure B-42\u2003Test 3\u2014CV #2 <\/td>\n<\/tr>\n
234<\/td>\nFigure B-43\u2003Two-valve differential pressure test kit <\/td>\n<\/tr>\n
235<\/td>\nFigure B-44\u2003Two-valve test kit <\/td>\n<\/tr>\n
238<\/td>\nFigure B-45\u2003Three-valve test kit <\/td>\n<\/tr>\n
240<\/td>\nFigure B-46\u2003Reduced-pressure field test with three-valve test kit <\/td>\n<\/tr>\n
242<\/td>\nAPPENDIX\u2002C
Industry Resources <\/td>\n<\/tr>\n
244<\/td>\nAPPENDIX\u2002D
Backflow Incident Case Histories <\/td>\n<\/tr>\n
248<\/td>\nGlossary <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":"

M14 Backflow Prevention and Cross-Connection Control: Recommended Practices, Fifth Edition<\/b><\/p>\n\n\n\n\n
Published By<\/td>\nPublication Date<\/td>\nNumber of Pages<\/td>\n<\/tr>\n
AWWA<\/b><\/a><\/td>\n2024<\/td>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":449515,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[2651],"product_tag":[],"class_list":{"0":"post-449512","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-awwa","8":"first","9":"instock","10":"sold-individually","11":"shipping-taxable","12":"purchasable","13":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product\/449512","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media\/449515"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=449512"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=449512"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=449512"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}