M E M O R A N D U M. NFPA 99 First Draft Correlating Committee FINAL Ballot Results (A2017 Cycle)

Transcription

1 National Fire Protection Association 1 Batterymarch Park, Quincy, MA Phone: Fax: M E M O R A N D U M TO: FROM: Correlating Committee on Health Care Facilities Sarah Caldwell, Project Administrator DATE: February 16, 2016 SUBJECT: NFPA 99 First Draft Correlating Committee FINAL Ballot Results (A2017 Cycle) According to the final ballot results, all ballot items received the necessary affirmative votes to pass ballot. 19 Members Eligible to Vote 1 Members Not Returned (Sack) First Correlating Revisions (FCRs): 18 Members Voted Affirmative on All (w/ comment: Ferrari) 0 Members Voted Negative on one or more Revisions 0 Members Abstained on one or more Revisions Correlating Committee Notes (CNs): 17 Members Voted Affirmative on All (w/ comment: Ferrari) 0 Members Voted Negative 1 Members Abstained: (Ferrari) The attached report shows the number of affirmative, negative, and abstaining votes as well as the explanation of the vote for each correlating revision and correlating committee note. To pass ballot, each correlating revision and correlating committee note requires (1) a simple majority of those eligible to vote and (2) affirmative vote of ¾ of ballots returned. See Sections (c) and of the Regulations Governing the Development of NFPA Standards. Revised 12/15

2 of 89 2/15/2016 4:31 PM First Correlating Revision No. 2-NFPA [ Section No ] Patient Care Spaces. Global FR The governing body health care facility s governing body of the facility or its designee shall establish the following areas in accordance with the type of patient care anticipated (see definition of patient care spaces in Chapter , Patient Care Space ) : ) Category 1 spaces ) Category 2 spaces ) Category 3 spaces ) Category 4 spaces Anesthesia. It shall be the responsibility of the governing body health care facility s governing body of the health care organization to designate anesthetizing locations Wet Procedure Locations. It shall be the responsibility of the governing body health care facility s governing body of the health care organization to designate wet procedure locations. Submitter Information Verification Submitter Full Name: Jon Hart Organization: [ Not Specified ] Street Address: City: State: Zip: Submittal Date: Tue Dec 15 10:06:14 EST 2015 Committee Statement Committee Statement: This revision has been made to correct the contextual application of the global FR 113. Ballot Results This item has passed ballot 19 Eligible Voters 1 Not Returned 17 Affirmative All 1 Affirmative with Comments 0 Negative with Comments 0 Abstention

3 of 89 2/15/2016 4:31 PM Not Returned Sack, Grayson Affirmative All Beebe, Chad E. Bobik, Constance Brannan, Wayne L. Burrill, Gordon D. Crowley, Michael A. Dagenais, David A. Finnegan, Daniel P. Gagnon, Robert M. Galloway, Ronald E. Gilyeat, Sharon S. Gregory, Ken L. Keisler, Jr., Frank L. Lyman, Dale L. Pappas, Denise L. Schroeder, Ronald A. Versteeg, Joseph H. Zimmerman, Mayer D. Affirmative with Comment Ferrari, Keith okay

4 of 89 2/15/2016 4:31 PM First Correlating Revision No. 5-NFPA [ New Section after ] Submitter Information Verification Submitter Full Name: Jon Hart Organization: [ Not Specified ] Street Address: City: State: Zip: Submittal Date: Thu Dec 17 09:49:21 EST 2015 Committee Statement Committee Statement: The definition for nonseparable connection has been removed because it is not used in the code. If the code language including this language is added, then this definition can added back in. Committee Input No. 658-NFPA [New Section after ] Ballot Results This item has passed ballot 19 Eligible Voters 1 Not Returned 17 Affirmative All 1 Affirmative with Comments 0 Negative with Comments 0 Abstention Not Returned Sack, Grayson Affirmative All Beebe, Chad E. Bobik, Constance Brannan, Wayne L. Burrill, Gordon D. Crowley, Michael A. Dagenais, David A. Finnegan, Daniel P. Gagnon, Robert M. Galloway, Ronald E.

5 of 89 2/15/2016 4:31 PM Gilyeat, Sharon S. Gregory, Ken L. Keisler, Jr., Frank L. Lyman, Dale L. Pappas, Denise L. Schroeder, Ronald A. Versteeg, Joseph H. Zimmerman, Mayer D. Affirmative with Comment Ferrari, Keith okay

6 of 89 2/15/2016 4:31 PM Correlating Committee Note No. 9-NFPA [ Section No ] Submitter Information Verification Submitter Full Name: Jon Hart Organization: [ Not Specified ] Street Address: City: State: Zip: Submittal Date: Thu Dec 17 11:05:18 EST 2015 Committee Statement Committee Statement: The Correlating Committee is directing HEA-PIP to evaluate if Figure A needs to be or should be revised based on the additional requirements for vacuum filtration. First Revision No. 652-NFPA [Section No ] Ballot Results This item has passed ballot 19 Eligible Voters 1 Not Returned 18 Affirmative All 0 Affirmative with Comments 0 Negative with Comments 0 Abstention Not Returned Sack, Grayson Affirmative All Beebe, Chad E. Bobik, Constance Brannan, Wayne L. Burrill, Gordon D. Crowley, Michael A. Dagenais, David A. Ferrari, Keith Finnegan, Daniel P. Gagnon, Robert M. Galloway, Ronald E. Gilyeat, Sharon S.

7 of 89 2/15/2016 4:31 PM Gregory, Ken L. Keisler, Jr., Frank L. Lyman, Dale L. Pappas, Denise L. Schroeder, Ronald A. Versteeg, Joseph H. Zimmerman, Mayer D.

8 of 89 2/15/2016 4:31 PM Correlating Committee Note No. 8-NFPA [ Section No ] Submitter Information Verification Submitter Full Name: Jon Hart Organization: [ Not Specified ] Street Address: City: State: Zip: Submittal Date: Thu Dec 17 10:56:47 EST 2015 Committee Statement Committee Statement: The Correlating Committee is directing HEA-PIP that in regards to the addition of CSST, that if the material is determined to be allowed in medical gas or vacuum system, then the full set of safe installation requirements must be included. An incomplete set of requirements will create correlation issues in the second draft. Ballot Results This item has passed ballot 19 Eligible Voters 1 Not Returned 17 Affirmative All 1 Affirmative with Comments 0 Negative with Comments 0 Abstention Not Returned Sack, Grayson Affirmative All Beebe, Chad E. Bobik, Constance Brannan, Wayne L. Burrill, Gordon D. Crowley, Michael A. Dagenais, David A. Finnegan, Daniel P. Gagnon, Robert M. Galloway, Ronald E. Gilyeat, Sharon S. Gregory, Ken L.

9 of 89 2/15/2016 4:31 PM Keisler, Jr., Frank L. Lyman, Dale L. Pappas, Denise L. Schroeder, Ronald A. Versteeg, Joseph H. Zimmerman, Mayer D. Affirmative with Comment Ferrari, Keith okay

10 of 89 2/15/2016 4:31 PM Correlating Committee Note No. 6-NFPA [ Section No. 5.3 ] Submitter Information Verification Submitter Full Name: Jon Hart Organization: [ Not Specified ] Street Address: City: State: Zip: Submittal Date: Thu Dec 17 09:56:17 EST 2015 Committee Statement Committee Statement: The technical committee is directed to FCR-4 to see the new Chapter 15 for dental gas and vacuum systems. This was added by the CC to facilitate public review and is based on the work of a task group of PIP. The following items need to be addressed by PIP at the second draft stage: - Ensure terminology is consistent with other chapters of NFPA 99 where appropriate. (i.e. remove the term facilities from risk application) - Review and revise Chapter 5 as needed based on the new Chapter. (i.e. remove references to dental in 5.3) - The risk approach of the Chapter should refer to Categories as shown in the FCR. - Add definitions as needed (i.e. dental ) Ballot Results This item has passed ballot 19 Eligible Voters 1 Not Returned 17 Affirmative All 1 Affirmative with Comments 0 Negative with Comments 0 Abstention Not Returned Sack, Grayson Affirmative All Beebe, Chad E. Bobik, Constance Brannan, Wayne L. Burrill, Gordon D.

11 0 of 89 2/15/2016 4:31 PM Crowley, Michael A. Dagenais, David A. Finnegan, Daniel P. Gagnon, Robert M. Galloway, Ronald E. Gilyeat, Sharon S. Gregory, Ken L. Keisler, Jr., Frank L. Lyman, Dale L. Pappas, Denise L. Schroeder, Ronald A. Versteeg, Joseph H. Zimmerman, Mayer D. Affirmative with Comment Ferrari, Keith okay

12 1 of 89 2/15/2016 4:31 PM Correlating Committee Note No. 7-NFPA [ New Section after ] Submitter Information Verification Submitter Full Name: Jon Hart Organization: [ Not Specified ] Street Address: City: State: Zip: Submittal Date: Thu Dec 17 10:54:40 EST 2015 Committee Statement Committee Statement: The Correlating Committee directs PIP committee to work with NFPA 45 to include the missing requirements in that document rather than NFPA 99. The specific items should be identified and public input submitted to NFPA 45. The CC has been made aware that NFPA 45 TC is willing to assist in this. Ballot Results This item has passed ballot 19 Eligible Voters 1 Not Returned 18 Affirmative All 0 Affirmative with Comments 0 Negative with Comments 0 Abstention Not Returned Sack, Grayson Affirmative All Beebe, Chad E. Bobik, Constance Brannan, Wayne L. Burrill, Gordon D. Crowley, Michael A. Dagenais, David A. Ferrari, Keith Finnegan, Daniel P. Gagnon, Robert M. Galloway, Ronald E. Gilyeat, Sharon S.

13 2 of 89 2/15/2016 4:31 PM Gregory, Ken L. Keisler, Jr., Frank L. Lyman, Dale L. Pappas, Denise L. Schroeder, Ronald A. Versteeg, Joseph H. Zimmerman, Mayer D.

14 3 of 89 2/15/2016 4:31 PM Correlating Committee Note No. 23-NFPA [ Chapter 6 ] Submitter Information Verification Submitter Full Name: Jon Hart Organization: [ Not Specified ] Street Address: City: State: Zip: Submittal Date: Thu Dec 17 11:35:56 EST 2015 Committee Statement Committee Statement: The Correlating Committee directs HEA-ELS to review all uses of the term primary power supply and determine if normal power source is more appropriate. The TC should attempt to be as consistent as possible. It is recognized that many instances are in extracts from NFPA 110 which cannot be changed. The TC should consider an annex note to clarify the difference in terms. FR-13-NFPA FR-12-NFPA FR-41-NFPA FR-33-NFPA FR-9-NFPA FR-8-NFPA FR-7-NFPA FR-4-NFPA FR-3-NFPA FR-22-NFPA FR-21-NFPA FR-19-NFPA FR-20-NFPA FR-17-NFPA FR-18-NFPA FR-15-NFPA FR-14-NFPA FR-24-NFPA FR-25-NFPA FR-11-NFPA FR-30-NFPA FR-31-NFPA FR-29-NFPA FR-28-NFPA FR-27-NFPA

15 4 of 89 2/15/2016 4:31 PM FR-26-NFPA FR-23-NFPA Ballot Results This item has passed ballot 19 Eligible Voters 1 Not Returned 17 Affirmative All 1 Affirmative with Comments 0 Negative with Comments 0 Abstention Not Returned Sack, Grayson Affirmative All Beebe, Chad E. Bobik, Constance Brannan, Wayne L. Burrill, Gordon D. Crowley, Michael A. Dagenais, David A. Finnegan, Daniel P. Gagnon, Robert M. Galloway, Ronald E. Gilyeat, Sharon S. Gregory, Ken L. Keisler, Jr., Frank L. Lyman, Dale L. Pappas, Denise L. Schroeder, Ronald A. Versteeg, Joseph H. Zimmerman, Mayer D. Affirmative with Comment Ferrari, Keith okay

16 5 of 89 2/15/2016 4:31 PM Correlating Committee Note No. 24-NFPA [ New Section after ] Submitter Information Verification Submitter Full Name: Jon Hart Organization: [ Not Specified ] Street Address: City: State: Zip: Submittal Date: Thu Dec 17 11:37:21 EST 2015 Committee Statement Committee Statement: The Correlating Committee directs HEA-ELS to identify the requirements in FRs 4, 30, 9 (or portions based on PIs 390, 389, 392, and 394) as either performance or installation requirements. If found to be installation requirements, the TC must either extract directly from NFPA 70 or leave the installation requirements out of NFPA 99. Ballot Results This item has passed ballot 19 Eligible Voters 1 Not Returned 17 Affirmative All 1 Affirmative with Comments 0 Negative with Comments 0 Abstention Not Returned Sack, Grayson Affirmative All Beebe, Chad E. Bobik, Constance Brannan, Wayne L. Burrill, Gordon D. Crowley, Michael A. Dagenais, David A. Finnegan, Daniel P. Gagnon, Robert M. Galloway, Ronald E. Gilyeat, Sharon S. Gregory, Ken L.

17 6 of 89 2/15/2016 4:31 PM Keisler, Jr., Frank L. Lyman, Dale L. Pappas, Denise L. Schroeder, Ronald A. Versteeg, Joseph H. Zimmerman, Mayer D. Affirmative with Comment Ferrari, Keith okay

18 7 of 89 2/15/2016 4:31 PM Correlating Committee Note No. 28-NFPA [ Section No ] Submitter Information Verification Submitter Full Name: Jon Hart Organization: [ Not Specified ] Street Address: City: State: Zip: Submittal Date: Thu Dec 17 11:48:32 EST 2015 Committee Statement Committee Statement: The Correlating Committee directs HEA-ELS to either add an annex note or a definition for clinical laboratory (see ) to assist the user in understanding the type of space this section is meant to apply. Ballot Results This item has passed ballot 19 Eligible Voters 1 Not Returned 17 Affirmative All 1 Affirmative with Comments 0 Negative with Comments 0 Abstention Not Returned Sack, Grayson Affirmative All Beebe, Chad E. Bobik, Constance Brannan, Wayne L. Burrill, Gordon D. Crowley, Michael A. Dagenais, David A. Finnegan, Daniel P. Gagnon, Robert M. Galloway, Ronald E. Gilyeat, Sharon S. Gregory, Ken L.

19 8 of 89 2/15/2016 4:31 PM Keisler, Jr., Frank L. Lyman, Dale L. Pappas, Denise L. Schroeder, Ronald A. Versteeg, Joseph H. Zimmerman, Mayer D. Affirmative with Comment Ferrari, Keith okay

20 9 of 89 2/15/2016 4:31 PM First Correlating Revision No. 3-NFPA [ New Section after ] If the risk assessment conducted by the health care facility s governing body, as defined in Chapter 3, determines that the operating room is not a wet procedure location, then the special protection of shall not be required. Submitter Information Verification Submitter Full Name: Jon Hart Organization: [ Not Specified ] Street Address: City: State: Zip: Submittal Date: Tue Dec 15 13:57:55 EST 2015 Committee Statement Committee Statement: This FCR is being made to ensure consistency throughout the document based on Global FR 113. Committee Input No. 10-NFPA [New Section after ] Ballot Results This item has passed ballot 19 Eligible Voters 1 Not Returned 17 Affirmative All 1 Affirmative with Comments 0 Negative with Comments 0 Abstention Not Returned Sack, Grayson Affirmative All Beebe, Chad E. Bobik, Constance Brannan, Wayne L. Burrill, Gordon D. Crowley, Michael A. Dagenais, David A.

21 0 of 89 2/15/2016 4:31 PM Finnegan, Daniel P. Gagnon, Robert M. Galloway, Ronald E. Gilyeat, Sharon S. Gregory, Ken L. Keisler, Jr., Frank L. Lyman, Dale L. Pappas, Denise L. Schroeder, Ronald A. Versteeg, Joseph H. Zimmerman, Mayer D. Affirmative with Comment Ferrari, Keith okay

22 1 of 89 2/15/2016 4:31 PM Correlating Committee Note No. 27-NFPA [ Section No ] Submitter Information Verification Submitter Full Name: Jon Hart Organization: [ Not Specified ] Street Address: City: State: Zip: Submittal Date: Thu Dec 17 11:46:22 EST 2015 Committee Statement Committee Statement: The Correlating Committee directs HEA-ELS to re-address PI 44. The CC agrees with the submitter that electrical equipment connected by cord and plug as well as fixed electrical equipment are under the jurisdiction of HEA-MED. Chapter 10 includes adequate requirements for testing and maintenance in all locations, including wet procedure locations. While they do not conflict now, maintaining these requirements in two different chapters creates the potential for conflict in future revisions. The TC should include language here referencing to Chapter 10 rather than piecing together requirements as is currently done. Ballot Results This item has passed ballot 19 Eligible Voters 1 Not Returned 17 Affirmative All 1 Affirmative with Comments 0 Negative with Comments 0 Abstention Not Returned Sack, Grayson Affirmative All Beebe, Chad E. Bobik, Constance Brannan, Wayne L. Burrill, Gordon D. Crowley, Michael A. Dagenais, David A. Finnegan, Daniel P. Gagnon, Robert M. Galloway, Ronald E.

23 2 of 89 2/15/2016 4:31 PM Gilyeat, Sharon S. Gregory, Ken L. Keisler, Jr., Frank L. Lyman, Dale L. Pappas, Denise L. Schroeder, Ronald A. Versteeg, Joseph H. Zimmerman, Mayer D. Affirmative with Comment Ferrari, Keith okay

24 3 of 89 2/15/2016 4:31 PM Correlating Committee Note No. 25-NFPA [ New Section after ] Submitter Information Verification Submitter Full Name: Jon Hart Organization: [ Not Specified ] Street Address: City: State: Zip: Submittal Date: Thu Dec 17 11:42:17 EST 2015 Committee Statement Committee Statement: The Correlating Committee directs HEA-ELS to ensure that Category 2 spaces served by a Type 1 EES are adequately addressed in this group of requirements. The language currently addressed Category 1 spaces (6.4.2) as well as Category 2 spaces served by a Type 2 EES (6.5.2). First Revision No. 8-NFPA [New Section after ] Ballot Results This item has passed ballot 19 Eligible Voters 1 Not Returned 17 Affirmative All 1 Affirmative with Comments 0 Negative with Comments 0 Abstention Not Returned Sack, Grayson Affirmative All Beebe, Chad E. Bobik, Constance Brannan, Wayne L. Burrill, Gordon D. Crowley, Michael A. Dagenais, David A. Finnegan, Daniel P. Gagnon, Robert M. Galloway, Ronald E. Gilyeat, Sharon S.

25 4 of 89 2/15/2016 4:31 PM Gregory, Ken L. Keisler, Jr., Frank L. Lyman, Dale L. Pappas, Denise L. Schroeder, Ronald A. Versteeg, Joseph H. Zimmerman, Mayer D. Affirmative with Comment Ferrari, Keith okay

26 5 of 89 2/15/2016 4:31 PM Correlating Committee Note No. 16-NFPA [ Section No ] Submitter Information Verification Submitter Full Name: Jon Hart Organization: [ Not Specified ] Street Address: City: State: Zip: Submittal Date: Thu Dec 17 11:21:10 EST 2015 Committee Statement Committee Statement: The Correlating Committee directs HEA-MED to revise the applicability statement in The statement should be similar to either what is done in chapters 5 and 6 or to what Chapter 12 and 13 do. For example; The following sections of this chapter shall apply to the operation, management, and maintenance of Category 1 medical gas and vacuum systems in both new and existing facilities: (1) (2) (3) (4) (5) (6) (7) OR 12.1* Applicability. This chapter shall apply to new and existing health care facilities. Ballot Results This item has passed ballot 19 Eligible Voters 1 Not Returned 17 Affirmative All 1 Affirmative with Comments 0 Negative with Comments

27 6 of 89 2/15/2016 4:31 PM 0 Abstention Not Returned Sack, Grayson Affirmative All Beebe, Chad E. Bobik, Constance Brannan, Wayne L. Burrill, Gordon D. Crowley, Michael A. Dagenais, David A. Finnegan, Daniel P. Gagnon, Robert M. Galloway, Ronald E. Gilyeat, Sharon S. Gregory, Ken L. Keisler, Jr., Frank L. Lyman, Dale L. Pappas, Denise L. Schroeder, Ronald A. Versteeg, Joseph H. Zimmerman, Mayer D. Affirmative with Comment Ferrari, Keith okay

28 7 of 89 2/15/2016 4:31 PM Correlating Committee Note No. 26-NFPA [ Section No ] Submitter Information Verification Submitter Full Name: Jon Hart Organization: [ Not Specified ] Street Address: City: State: Zip: Submittal Date: Thu Dec 17 11:44:00 EST 2015 Committee Statement Committee Statement: The Correlating Committee directs HEA-MED to address Public Input 316 which was originally addressed to Chapter 6. The issue of RPTs is under the jurisdiction of HEA-MED and not HEA-ELS. First Revision No. 501-NFPA [Section No ] Ballot Results This item has passed ballot 19 Eligible Voters 1 Not Returned 17 Affirmative All 1 Affirmative with Comments 0 Negative with Comments 0 Abstention Not Returned Sack, Grayson Affirmative All Beebe, Chad E. Bobik, Constance Brannan, Wayne L. Burrill, Gordon D. Crowley, Michael A. Dagenais, David A. Finnegan, Daniel P. Gagnon, Robert M. Galloway, Ronald E. Gilyeat, Sharon S.

29 8 of 89 2/15/2016 4:31 PM Gregory, Ken L. Keisler, Jr., Frank L. Lyman, Dale L. Pappas, Denise L. Schroeder, Ronald A. Versteeg, Joseph H. Zimmerman, Mayer D. Affirmative with Comment Ferrari, Keith okay

30 9 of 89 2/15/2016 4:31 PM Correlating Committee Note No. 18-NFPA [ Section No ] Submitter Information Verification Submitter Full Name: Jon Hart Organization: [ Not Specified ] Street Address: City: State: Zip: Submittal Date: Thu Dec 17 11:24:57 EST 2015 Committee Statement Committee Statement: The Correlating Committee directs HEA-MED to review the ballot comment on FR 507 and determine if Figure is drawn appropriately. First Revision No. 507-NFPA [Section No ] Ballot Results This item has passed ballot 19 Eligible Voters 1 Not Returned 17 Affirmative All 1 Affirmative with Comments 0 Negative with Comments 0 Abstention Not Returned Sack, Grayson Affirmative All Beebe, Chad E. Bobik, Constance Brannan, Wayne L. Burrill, Gordon D. Crowley, Michael A. Dagenais, David A. Finnegan, Daniel P. Gagnon, Robert M. Galloway, Ronald E. Gilyeat, Sharon S. Gregory, Ken L.

31 0 of 89 2/15/2016 4:31 PM Keisler, Jr., Frank L. Lyman, Dale L. Pappas, Denise L. Schroeder, Ronald A. Versteeg, Joseph H. Zimmerman, Mayer D. Affirmative with Comment Ferrari, Keith okay

32 1 of 89 2/15/2016 4:31 PM Correlating Committee Note No. 19-NFPA [ Section No ] Submitter Information Verification Submitter Full Name: Jon Hart Organization: [ Not Specified ] Street Address: City: State: Zip: Submittal Date: Thu Dec 17 11:28:27 EST 2015 Committee Statement Committee Statement: The Correlating Committee is directing HEA-MED and HEA-ELS to evaluate references to and determine if AAMI or the international version should be referenced. Consistency should be maintained throughout the code. Ballot Results This item has passed ballot 19 Eligible Voters 1 Not Returned 17 Affirmative All 1 Affirmative with Comments 0 Negative with Comments 0 Abstention Not Returned Sack, Grayson Affirmative All Beebe, Chad E. Bobik, Constance Brannan, Wayne L. Burrill, Gordon D. Crowley, Michael A. Dagenais, David A. Finnegan, Daniel P. Gagnon, Robert M. Galloway, Ronald E. Gilyeat, Sharon S. Gregory, Ken L.

33 2 of 89 2/15/2016 4:31 PM Keisler, Jr., Frank L. Lyman, Dale L. Pappas, Denise L. Schroeder, Ronald A. Versteeg, Joseph H. Zimmerman, Mayer D. Affirmative with Comment Ferrari, Keith okay

34 3 of 89 2/15/2016 4:31 PM Correlating Committee Note No. 17-NFPA [ Section No ] Submitter Information Verification Submitter Full Name: Jon Hart Organization: [ Not Specified ] Street Address: City: State: Zip: Submittal Date: Thu Dec 17 11:23:52 EST 2015 Committee Statement Committee Statement: The Correlating Committee directs HEA-MED to revise the applicability statement in The statement should be similar to either what is done in chapters 5 and 6 or to what Chapter 12 and 13 do. For example; The following sections of this chapter shall apply to the operation, management, and maintenance of Category 1 medical gas and vacuum systems in both new and existing facilities: (1) (2) (3) (4) (5) (6) (7) OR 12.1* Applicability. This chapter shall apply to new and existing health care facilities. Ballot Results This item has passed ballot 19 Eligible Voters 1 Not Returned 17 Affirmative All 1 Affirmative with Comments 0 Negative with Comments

35 4 of 89 2/15/2016 4:31 PM 0 Abstention Not Returned Sack, Grayson Affirmative All Beebe, Chad E. Bobik, Constance Brannan, Wayne L. Burrill, Gordon D. Crowley, Michael A. Dagenais, David A. Finnegan, Daniel P. Gagnon, Robert M. Galloway, Ronald E. Gilyeat, Sharon S. Gregory, Ken L. Keisler, Jr., Frank L. Lyman, Dale L. Pappas, Denise L. Schroeder, Ronald A. Versteeg, Joseph H. Zimmerman, Mayer D. Affirmative with Comment Ferrari, Keith okay

36 5 of 89 2/15/2016 4:31 PM Correlating Committee Note No. 15-NFPA [ Section No ] Submitter Information Verification Submitter Full Name: Jon Hart Organization: [ Not Specified ] Street Address: City: State: Zip: Submittal Date: Thu Dec 17 11:20:08 EST 2015 Committee Statement Committee Statement: Section 11.3 includes references back to Chapter 5, construction requirements. The Correlating Committee directs HEA-MED to provide the criteria for new and existing in Chapter 11 to avoid future reference coordination issues. First Revision No. 511-NFPA [Section No. 11.3] Ballot Results This item has passed ballot 19 Eligible Voters 1 Not Returned 17 Affirmative All 1 Affirmative with Comments 0 Negative with Comments 0 Abstention Not Returned Sack, Grayson Affirmative All Beebe, Chad E. Bobik, Constance Brannan, Wayne L. Burrill, Gordon D. Crowley, Michael A. Dagenais, David A. Finnegan, Daniel P. Gagnon, Robert M. Galloway, Ronald E. Gilyeat, Sharon S.

37 6 of 89 2/15/2016 4:31 PM Gregory, Ken L. Keisler, Jr., Frank L. Lyman, Dale L. Pappas, Denise L. Schroeder, Ronald A. Versteeg, Joseph H. Zimmerman, Mayer D. Affirmative with Comment Ferrari, Keith okay

38 7 of 89 2/15/2016 4:31 PM Correlating Committee Note No. 20-NFPA [ Section No ] Submitter Information Verification Submitter Full Name: Jon Hart Organization: [ Not Specified ] Street Address: City: State: Zip: Submittal Date: Thu Dec 17 11:30:27 EST 2015 Committee Statement Committee Statement: The Correlating Committee is directing HEA-MED to review section and determine if proposed changes to allowed smoke zone size in NFPA 101 will effect this requirement. The TC should also determine if the intent is to match up to a smoke zone or if it is actually meant to be a certain square footage of floor space. Clarify application for new and existing. First Revision No. 511-NFPA [Section No. 11.3] Ballot Results This item has passed ballot 19 Eligible Voters 1 Not Returned 17 Affirmative All 1 Affirmative with Comments 0 Negative with Comments 0 Abstention Not Returned Sack, Grayson Affirmative All Beebe, Chad E. Bobik, Constance Brannan, Wayne L. Burrill, Gordon D. Crowley, Michael A. Dagenais, David A. Finnegan, Daniel P. Gagnon, Robert M. Galloway, Ronald E. Gilyeat, Sharon S.

39 8 of 89 2/15/2016 4:31 PM Gregory, Ken L. Keisler, Jr., Frank L. Lyman, Dale L. Pappas, Denise L. Schroeder, Ronald A. Versteeg, Joseph H. Zimmerman, Mayer D. Affirmative with Comment Ferrari, Keith okay

40 9 of 89 2/15/2016 4:31 PM First Correlating Revision No. 4-NFPA [ New Section after ] Chapter 15 Dental Gas and Vacuum Piping Systems 15.1 Applicability. This chapter shall apply to dental health care facilities that qualify to install dental gas and vacuum piping systems Category 1 piped gas and piped vacuum system requirements shall be applied in dental facilities where general anesthesia and deep and moderate sedation is performed, as defined in , , and Category 2 piped gas and piped vacuum system requirements shall be applied in dental facilities where only minimal sedation is performed, as defined in Category 3 piped gas and piped vacuum system requirements shall be applied in dental facilities where no anesthesia or sedation is performed An existing system that is not in strict compliance with the requirements of this code shall be permitted to continue in use as long as the authority having jurisdiction has determined that such use does not constitute a distinct hazard to life The following subsections shall apply to the operation, management, and maintenance of dental gas and vacuum piping systems in both new and existing dental facilities within the scope of this chapter: ****LIST TO COME AT SECOND DRAFT MEETING*** 15.2 Nature of Hazards of Gas and Vacuum Systems. Potential fire and explosion hazards associated with positive-pressure dental gas systems and vacuum systems shall be considered in the design, installation, testing, operation, and maintenance of these systems Installer Qualifications Installers of dental gas and vacuum systems shall be certified in accordance with ASSE 6010, Professional Qualification Standard for Medical Gas Systems Installers, regardless of the capacity of the source equipment Installers of dental gas and vacuum systems shall not use their certification to oversee installation by noncertified personnel Brazing of dental gas and vacuum piping systems shall be performed by individuals who are qualified in accordance with Prior to any installation work involving brazing, the installer of the dental gas and vacuum piping systems shall provide documentation required by for the qualifications of the brazing procedures and individual brazers Dental Gas and Vacuum Piping Systems.

41 0 of 89 2/15/2016 4:31 PM General. Dental gas and vacuum piping systems shall include medical gases, dental support gases, and dental vacuum systems Medical Gases Medical gas systems in dental facilities shall include oxygen USP, nitrous oxide USP, and medical air USP Oxygen and nitrous oxide shall be provided by cylinders. Medical air shall be provided by cylinders or medical air compressors Support Gases Dental support gases shall include instrument air, dental compressed air, and nitrogen NF Instrument air and dental compressed air shall be provided by cylinders or air compressors. Nitrogen shall be provided by cylinders Vacuum Systems. Dental vacuum systems shall include dental-surgical vacuum, dental vacuum, nitrous oxide scavenging, and waste anesthetic gas disposal (WAGD) Dental Facilities Category Dental facilities that perform moderate sedation, deep sedation, and general anesthesia associated with implant dentistry and oral surgery shall be considered Category 1 dental facilities The medical gases shall be limited to oxygen, nitrous oxide, and medical air. The dental support gases shall be instrument air and nitrogen The vacuum systems shall be dental-surgical vacuum, and WAGD Category Category 2 dental facilities shall be limited to dental facilities that provide minimal sedation The medical gases shall be limited to oxygen and nitrous oxide The dental support gases shall be dental compressed air and nitrogen The vacuum systems shall be dental vacuum and nitrous oxide scavenging Category Category 3 dental facilities shall be dental facilities that perform no sedation There shall be no medical gases.

42 1 of 89 2/15/2016 4:31 PM The dental support gases shall be dental compressed air and nitrogen The vacuum system shall be dental vacuum Multiple Categories. A single dental facility shall be permitted to include gas and vacuum systems for more than one type of dental facility Equipment Locations for Gas and Vacuum Systems General Any of the following systems shall be permitted to be located together in the same room: (1) Medical air compressor supply sources (2) Instrument air compressor sources and reserve headers (3) Dental-surgical vacuum sources (4) Dental vacuum sources (5) WAGD sources (6) Any other compressor, vacuum pump, or electrically powered machinery Indoor locations for oxygen, nitrous oxide, and mixtures of these gases shall not communicate with the following: (1) Areas involved in critical patient care (2) Anesthetizing locations where moderate sedation, deep sedation, or general anesthesia is administered (3) Locations storing flammables (4) Rooms containing open electrical contacts or transformers (5) Storage tanks for flammable or combustible liquids (6) Engines (7) Kitchens (8) Areas with open flames Cylinders and Containers. Cylinders and containers for gases shall be handled in accordance with Chapter Ventilation For Indoor Locations. Medical gas storage and transfilling room ventilation shall comply with

43 2 of 89 2/15/2016 4:31 PM For Motor-Driven Equipment. The following source locations shall be adequately ventilated to prevent accumulation of heat: (1) Medical air sources (2) Instrument air sources (3) Dental compressed air sources (4) Dental-surgical vacuum sources (5) Dental vacuum sources (6) WAGD sources 15.7 Dental Gas and Vacuum Source Equipment General The capacity of source equipment shall be based on the design requirements for the facility, including the number of gas outlets, vacuum inlets, and other connections, and their individual capacities The system design requirements shall be included in the data used for testing and verifying the operation of the gas and vacuum piping systems Medical Gases General Medical gases for dental use shall be limited to oxygen USP, nitrous oxide USP, and medical air USP The use of medical air shall be limited to human respiration and the calibration of equipment used in human respiration The sources of oxygen and nitrous oxide shall be high-pressure cylinders or liquid cylinders The sources of medical air shall be high pressure cylinders, liquid cylinders, or medical air compressors Medical Air Compressor Units Medical air compressor units shall include medical air compressors, vibration isolation, air receivers, air filters, line pressure regulators, pressure relief valves, air dryers, dew point and CO monitors, single-point air connections, electrical disconnects, motor wiring, and controls. The air compressors shall be simplex, multiplex, load/unload, or variable speed Medical air compressors shall be oil-less reciprocating, oil-free rotary tooth, or scroll type Medical air compressor units shall meet the requirements of Instrument Air General Instrument air shall be used as a support gas for driving surgical tools. It shall also be permitted to drive dental tools and air-driven equipment.

44 3 of 89 2/15/2016 4:31 PM Instrument air outlets shall not be interchangeable with any other gas outlets, including medical air, dental compressed air, and nitrogen The primary source of instrument air shall be an instrument air compressor. Where a secondary source is provided, it shall be another instrument air compressor or medical air cylinders Instrument Air Compressor Units Instrument air compressor systems shall include air compressors, vibration isolation, air receivers, coalescing filters for oil removal, activated carbon absorbers for vapor and gaseous oil, air filters, line pressure regulators, pressure relief valves, air dryers, dew point and CO monitors, single-point air connections, electrical disconnects, motor wiring, and controls. The air compressors shall be simplex, multiplex, load/unload, or variable speed Instrument air compressors shall be oil-lubricated, oil-less, or oil-free, with a discharge pressure not less than 1380 kpa (200 psi) Instrument air compressor units shall comply with The quality of the instrument air shall be as follows: (1) Compliant with ANSI/ISA S , Quality Standard for Instrument Air (2) Filtered to 0.01 micron (3) Free of liquids (e.g., water, hydrocarbons, and solvents) (4) Free of hydrocarbon vapors (5) Dry to a dew point of 40 C ( 40 F) Dental-Surgical Vacuum General Dental-surgical vacuum systems shall provide patient suction for implant dentistry, oral surgery, and WAGD Dental-surgical inlets shall not be interchangeable with any other vacuum inlets, including dental vacuum and WAGD Dental-Surgical Vacuum Pump Units Dental-surgical vacuum units shall include vacuum pumps, vibration isolation, separation tanks, nonreturn valve, vacuum inlet, vacuum exhaust, condensate drain, motor wiring, and controls Dental-surgical vacuum pumps shall be lubricated rotary vane, dry rotary vane, or the contactless claw type. The pumps shall be suitable for dual use with WAGD Dental-surgical vacuum systems shall comply with Waste Anesthetic Gas Disposal (WAGD) General.

45 4 of 89 2/15/2016 4:31 PM WAGD shall be provided wherever the dental treatment involves general anesthesia or deep or moderate sedation. General anesthesia or deep or moderate sedation shall not be performed using inlets for nitrous oxide scavenging WAGD shall be connected to the dental-surgical vacuum system as a dual-use high-volume WAGD/dental-surgical vacuum Mixed-system piping for WAGD and dental-surgical vacuum shall be joined at the inlets, in the distribution piping, or at the source equipment and the piping sized accordingly WAGD inlets shall not be interchangeable with any other vacuum inlets, including dental-surgical vacuum, dental vacuum, and nitrous oxide scavenging WAGD pump units shall comply with Dental Compressed Air General Dental compressed air shall be used as a support gas for driving dental tools and shall be permitted to be used to supply air-driven equipment. Dental compressed air shall not be used for respiration Dental compressed air outlets shall not be interchangeable with any other gas outlets, including oxygen, nitrous oxide, medical air, instrument air, and nitrogen Dental Air Compressor Units Dental air compressor units shall include dental air compressors, vibration isolation, air receivers, coalescent air filters, adsorption dryers, exhaust silencer/filters, moisture indicators, and service access manifolds, electrical disconnects, motor wiring, and controls Air compressors shall be scroll dental, reciprocating dental, or the oil-free dental types Dental Vacuum General Dental vacuum shall be used for oral evacuation and nitrous oxide scavenging Dental vacuum inlets shall not be interchangeable with any other vacuum inlets, including dentalsurgical vacuum Dental Vacuum Units Dental vacuum units shall include dental vacuum pumps, vibration isolation, separation tanks, vacuum inlet, vacuum exhaust, condensate drain, motor wiring, and controls Dental vacuum pumps shall be dental dry vacuum or dental liquid (wet) ring pumps. Pumps shall be oil-free or oil-lubricated, and suitable for nitrous oxide scavenging Nitrous Oxide Scavenging General.

46 5 of 89 2/15/2016 4:31 PM The use of scavenging shall be limited to portions of dental facilities where minimal sedation is administered. WAGD shall be provided where the dental treatment involves general anesthesia or deep or moderate sedation Active nitrous oxide scavenging shall include the use of a nasal mask on the patient. The nasal mask shall be connected to a scavenging inlet in the dental vacuum system through a flow-limiting adapter Nitrous oxide scavenging inlets shall not be interchangeable with any other vacuum inlets, including dental-surgical vacuum, dental vacuum, and WAGD Connection to Dental Vacuum. Scavenging connections to the dental vacuum system shall be a direct high-volume evacuation (HVE) connection to a high-volume vacuum port with a capacity of 45 L/min (1.6 cfm) Piping for Gas and Vacuum Systems General Piping for the following systems shall comply with : (1) Oxygen (2) Nitrous oxide (3) Medical air (4) Instrument air (5) Dental-surgical vacuum (6) WAGD Piping for dental compressed air systems shall comply with Piping for dental vacuum systems and scavenging systems shall comply with Piping for nitrogen systems shall comply with Piping for Oxygen, Nitrous Oxide, Medical Air, Instrument Air, Dental-Surgical Vacuum, and WAGD Systems Cleaning for Oxygen Service. For oxygen, nitrous oxide, medical air, and instrument air, the pipe, fittings, valves, gas/vacuum outlets/inlets, and other piping components shall be cleaned for oxygen by the manufacturer prior to installation in accordance with CGA G-4.1, Cleaning Equipment for Oxygen Service. Fittings shall be permitted to be cleaned by a supplier or agency other than the manufacturer Pipe. Pipe shall be hard-drawn seamless copper tube conforming to ASTM B819, Standard Specification for Seamless Copper Tube for Medical Gas Systems, Type L or K Fittings Fittings shall be brazed, memory metal, or axially swaged.

47 6 of 89 2/15/2016 4:31 PM Brazed fittings shall be the wrought copper capillary type complying with the following: (1) ASME B16.22, Wrought Copper and Copper Alloy Solder-Joint Pressure Fittings (2) ANSI/ASME B16.50, Wrought Copper and Copper Alloy Braze-Joint Pressure Fittings (3) ASME B16.22 with socket depths equal to or greater than brazed joint pressure fittings in accordance with ANSI/ASME B Cast copper alloy fittings shall not be used with field-brazed joints Memory metal fittings shall be rated for not less than 538 C (1000 F) and 2070 kpa (300 psi), and shall be installed by qualified technicians in accordance with the manufacturer's instructions Axially swaged couplings shall be elastic strain preloaded with metal-to-metal seats, rated for not less than 538 C (1000 F) and 2070 kpa (300 psi), and shall provide permanent, nonseparable joints. Fittings shall be installed by qualified technicians in accordance with the manufacturer's instructions Joints Brazed. Brazing of copper joints shall be in accordance with Section Threaded. Threaded joints shall be limited to connections to pressure indicators, alarm devices, and source equipment and shall comply with the following: (1) Threads shall be tapered complying with ASME B1.20.1, Pipe Threads, General Purpose, Inch. (2) Threads shall be made up with polytetrafluoroethylene (PTFE) tape or other thread sealant recommended for oxygen service, with the sealant applied to the male threads only Prohibited Joints. The following joints shall be prohibited under : (1) Flared and compression connections, including connections to station outlets, alarm devices, and other components (2) Push-lock connections (3) Straight-threaded connections, including unions (4) Pipe crimping tools used to permanently stop the flow of medical gas and vacuum piping Piping for Dental Compressed Air Systems General. Pipe, fittings, and joints in piping for dental compressed air systems shall be in accordance with through Pipe.

48 7 of 89 2/15/2016 4:31 PM Pipe under shall comply with the following: (1) ASTM B819, Standard Specification for Seamless Copper Tube for Medical Gas Systems, Type L or K. (2) ASTM B88, Standard Specification for Seamless Copper Water Tube, Type L or K (3) ASTM B280, Standard Specification for Seamless Copper Tubing for Air Conditioning and Refrigeration Field Service, ACR tube (O.D. size) Copper tube shall be hard temper or annealed (soft temper) Fittings. Fittings for piping under shall be permitted to be any of the following acceptable joining methods: (1) Brazed or soldered fittings conforming to ASME B16.22, Wrought Copper and Copper Alloy Solder-Joint Pressure Fittings (2) Brazed fittings conforming to ANSI/ASME B16.50, Wrought Copper and Copper Alloy Braze-Joint Pressure Fittings (3) Brazed fittings conforming to ASME B16.22 with socket depths equal to or greater than braze-joint pressure fittings in compliance with ANSI/ASME B16.50 (4) Flared fittings conforming to ASME B16.26, Cast Copper Alloy Fittings for Flared Copper Tubes (5) Compression fittings ( 3 4 in. maximum size) Joints. Joints for piping under shall comply with through Joints shall be brazed, soldered, threaded, flared, or the compression type Where joints are brazed, they shall comply with the requirements of Section Soldered joints shall be made in accordance with ASTM B828, Standard Practice for Making Capillary Joints by Soldering of Copper and Copper Alloy Tube and Fittings, using a lead-free solder filler metal containing not more than 0.2 percent lead by volume that complies with ASTM B32, Standard Specification for Solder Metal Piping for Dental Vacuum Systems and Scavenging Systems General. Piping for dental vacuum systems and scavenging systems shall be copper, PVC plastic, or CPVC plastic Copper Piping. Copper piping under shall be in accordance with through Copper Tube.

49 8 of 89 2/15/2016 4:31 PM Copper tubing shall comply with the following: (1) ASTM B819, Standard Specification for Seamless Copper Tube for Medical Gas Systems, Type L or K (2) ASTM B88, Standard Specification for Seamless Copper Water Tube, Type L or K (3) ASTM B280, Standard Specification for Seamless Copper Tubing for Air Conditioning and Refrigeration Field Service, ACR tube (O.D. size) Copper tube shall be hard temper or annealed (soft temper) Copper Fittings. Copper fittings shall comply with the following: (1) Brazed or soldered fittings conforming to ASME B16.22, Wrought Copper and Copper Alloy Solder-Joint Pressure Fittings (2) Brazed fittings conforming to ANSI/ASME B16.50, Wrought Copper and Copper Alloy Braze-Joint Pressure Fittings (3) Brazed fittings conforming to ASME B16.22 with socket depths equal to or greater than braze-joint pressure fittings conforming to ANSI/ASME B16.50 (4) Flared fittings conforming to ASME B16.26, Cast Copper Alloy Fittings for Flared Copper Tubes (5) Compression fittings ( 3 4 in. maximum size) Joints for Copper Piping. Joints in copper tubing shall be in accordance with (1) through (3). (1) Joints shall be brazed, soldered, threaded, flared, or the compression type. (2) Where joints are brazed, they shall comply with the requirements of (3) Soldered joints shall be made in accordance with ASTM B828, Standard Practice for Making Capillary Joints by Soldering of Copper and Copper Alloy Tube and Fittings, using a lead-free solder filler metal containing not more than 0.2 percent lead by volume that complies with ASTM B32, Standard Specification for Solder Metal PVC Plastic Piping. PVC plastic piping under shall be in accordance with (1) through (3). (1) PVC plastic pipe shall be Schedule 40 or Schedule 80, conforming to ASTM D1785, Standard Specification for Poly (Vinyl Chloride) (PVC) Plastic Pipe, Schedules 40, 80, and 120. (2) PVC plastic fittings shall be Schedule 40 or Schedule 80 to match the pipe, conforming to ASTM D2466, Standard Specification for Poly (Vinyl Chloride) (PVC) Plastic Pipe Fittings, Schedule 40, or ASTM D2467, Standard Specification Poly (Vinyl Chloride) (PVC) Plastic Pipe Fittings, Schedule 80. (3) Joints in PVC plastic piping shall be solvent-cemented in accordance with ASTM D2672, Standard Specification for Joints for IPS PVC Pipe Using Solvent Cement.

50 9 of 89 2/15/2016 4:31 PM CPVC Plastic Piping. CPVC plastic piping under shall be in accordance with (1) through (4). (1) CPVC IPS plastic pipe shall be Schedule 40 or Schedule 80, conforming to ASTM F441/F441M, Standard Specification for Chlorinated Poly (Vinyl Chloride) (CPVC) Plastic Pipe, Schedules 40 and 80. (2) CPVC IPS plastic fittings shall be Schedule 40 or Schedule 80 to match the pipe, conforming to ASTM F438, Standard Specification for Socket-Type Chlorinated Poly (Vinyl Chlorinated) (CPVC) Plastic Pipe Fittings, Schedule 40, or ASTM F439, Standard Specification for Chlorinated Poly (Vinyl Chlorinated) (CPVC) Plastic Pipe Fittings, Schedule 80. (3) CPVC CTS plastic pipe and fittings 1 2 in. through 2 in. size shall be SDR 11, conforming to ASTM D2846/D2846M, Standard Specification for Chlorinated Poly (Vinyl Chloride) (CPVC) Plastic Hot- and Cold-Water Distribution Systems. (4) Solvent cement for joints in CPVC plastic piping shall comply with ASTM F493, Solvent Cements for CPVC Pipe and Fittings Piping for Nitrogen Category 1 Facilities. Nitrogen piping in Category 1 dental facilities shall comply with , including cleaning for oxygen service Category 2 Facilities. Nitrogen piping in Category 2 dental facilities shall comply with Installation of Gas and Vacuum Piping General Gas and vacuum piping systems shall be as listed in Section Piping materials shall be as listed in Section Pipe Sizing. Piping systems shall be designed and sized to deliver the required flow rates at the utilization pressures Minimum Pipe Sizes. The minimum size of the following piping shall be as follows: (1) Category 1 medical gas and support gases shall not be less than (NPS 1 2 in.) ( 5 8 in. O.D.) size. (2) Category 1 dental-surgical vacuum and WAGD shall not be less than (NPS 3 4 in.) ( 7 8 in. O.D.) size. (3) Category 2 oxygen piping shall be not less than DN10 (NPS 3 8 in.) ( 1 2 in. O.D.) size. (4) Category 2 nitrous oxide piping shall be not less than DN8 (NPS 1 4 in.) ( 3 8 in. O.D.) size Location of Piping. Piping shall not be located where subject to contact with oil Protection of Piping Piping shall be protected against freezing, corrosion, and physical damage.

51 0 of 89 2/15/2016 4:31 PM Piping exposed in corridors and other locations where subject to physical damage from the movement of equipment shall be protected Pipe Support Piping shall be supported from the building structure Hangers and supports shall comply with and be installed in accordance with MSS SP-58, Pipe Hangers and Supports Materials, Design, Manufacture, Selection, Application, and Installation Hangers and supports shall be sized for the tube or pipe being supported In potentially damp locations, copper tube hangers and supports that are in contact with the tube shall be plastic-coated or otherwise electrically insulated from the tube The maximum support spacing for copper tube shall be in accordance with Table Table Maximum Copper Tube Support Spacing Hanger Spacing Pipe Size mm ft DN8 (NPS 1 4 ) ( 3 8 in. O.D.) DN10 (NPS 3 8 ) ( 1 2 in. O.D.) DN15 (NPS 1 2 ) ( 5 8 in. O.D.) DN20 (NPS 3 4 ) ( 7 8 in. O.D.) DN25 (NPS 1) (1 1 8 in. O.D.) DN32 (NPS ) (1 3 8 in. O.D.) DN40 (NPS ) (1 5 8 in. O.D.) and larger Vertical risers, all sizes, every floor, but not to exceed The maximum support spacing for plastic pipe shall be in accordance with Table Table Maximum Plastic Pipe Support Spacing Hanger Spacing Pipe Size mm ft DN15 (NPS 1 2 ) ( 5 8 in. O.D.) DN20 (NPS 3 4 ) ( 7 8 in. O.D.) DN25 (NPS 1) (1 1 8 in. O.D.) DN32 (NPS ) (1 3 8 in. O.D.) DN40 (NPS ) (1 5 8 in. O.D.) DN50 (NPS 2) (2 3 8 in. O.D.) DN65 (NPS ) (2 7 8 in. O.D.) and larger Vertical risers, all sizes, every floor, but not to exceed Underground Piping Outside of Buildings.