TECHNICAL COMMITTEE ON WASTEWATER TREATMENT PLANTS … · 2016-04-06 · TECHNICAL COMMITTEE ON WASTEWATER TREATMENT PLANTS Second Draft Meeting Agenda October 7, 2014 Adobe Connect

TECHNICAL COMMITTEE ON WASTEWATER TREATMENT PLANTS Second Draft Meeting Agenda

October 7, 2014 Adobe Connect Conference Call Meeting

10 AM‐6 PM EDT 1). Welcome-Committee Chair, Glenn McGinley. 2). Introduction of Attendees and Update of Committee Roster. 3). Approval of Minutes of Last Meeting (September 10-12, 2013 attached) 4). Staff updates-Nancy Pearce.

a) Committee membership update. (attached) b) Annual 2015 revision cycle schedule. (attached-ScheduleA2015.pdf) c) New Process Presentation for Second Draft Meetings 5). Review of Public Comments NFPA 820. (attached) 6). Additional First Revision Considerations for Committee-Task Group Work.

a) NFPA 72 Signaling/Alarms b) Construction Requirements in NFPA 820

7). Additional Business/Issues for Consideration. 8) Next Steps. Formation of Task Groups for next revision cycle and scheduling of meeting. 9). Adjournment.

TECHNICAL COMMITTEE ON WASTEWATER TREATMENT PLANTS

First Draft Meeting Minutes September 10-12, 2013

Hampton Inn, Columbus, Ohio

Attendees: Glenn McGinley, Chair, State of Ohio PERRP Josef Berktold, WEF John Brosnan, CH2M Hill Garr Jones, Brown and Caldwell Linda Leong, San Francisco Public Utilities Commission Diep Nguyen, DTN Engineers, Inc.* Gerald Robinson, Hatch Mott MacDonald Thomas Stilwell, Xtralis Inc. James Wheeler, USEPA* Claudio Groppetti, Xtralis, Inc. Charles Olah, EMA Canada Nancy Pearce, NFPA Staff Guests: John Puskar 1). Welcome-Committee Chair, Glenn McGinley welcomed the group and the meeting began at 1 PM. 2). Introduction of Attendees and Update of Committee Roster. Committee members introduced themselves and their affiliations.

3). Approval of Minutes of Last Meeting/Conference call - July 9, 2013. Minutes were approved by the Committee. 4). Staff updates-Nancy Pearce reviewed committee membership and the dates for the current revision cycle. Nancy gave a presentation on the new NFPA process for First Draft meetings.

5). Review of Public Inputs NFPA 820. All public inputs were reviewed and action taken to resolve or to create first revisions or committee inputs on all items. 6). Additional First Revision Considerations for Committee-Task Group Work.

a) NFPA 72 Signaling/Alarms. First revisions were made based on public inputs on signaling and alarm systems and based on task group work. b) Exclusions in NFPA 820. First revisions were created to clarify the exclusions within NFPA 820. c) Chapter 9 Ventilation-Several minor changes made to ventilation requirements with first revisions d) Combustible Dust-No first revisions at this time.

e) Co-generation-No revisions at this time. f) Submersible Pumps- No revisions at this time. g) Fine Screening-Several first revisions to tables to clarify fine screening requirements. h) Combustible Gas Detection-Several first revisions to clarify combustible gas detection requirements. i) NFPA 54-No first revisions at this time.

7). Additional Issues for Consideration.

a) Table format change Proposal (NFPA 820 Table revisions v2.xlsx and v3.xlsx)-Table format was changed so more readable.

b) Staff review of issues for consideration (Committee work compiled.docx). Committee created several first revisions to clarify sections of the document. c) NFPA 56 letter requesting incorporation by reference (NFPA 56 letter.docx). NFPA 56

referenced in the document. d) Other (Wheeler B.4.2.docx). Additional information was included in annex.

8). Adjournment. Meeting was adjourned at 12:00 PM September 12, 2013.

Address List No PhoneWastewater Treatment Plants WAA-AAA

Nancy Pearce09/15/2014

WAA-AAA

Glenn E. McGinley, II

ChairOhio Public Employment Risk Reduction Program4448 Prairie Creek LaneMaumee, OH 43537-9020

E 1/16/2003WAA-AAA

Josef Berktold

PrincipalDonohue Associates3311 Weeden Creek RoadSheboygan, WI 53081Water Environment Federation

U 08/09/2012

WAA-AAA

John G. Brosnan

PrincipalCH2M HILL7075 Maynard Place ENew Albany, OH 43054Alternate: Sam Rizzi

SE 08/09/2012WAA-AAA

Bradley A. Cyrus

PrincipalThe Gorman-Rupp CompanyPO Box 1217Mansfield, OH 44901Water & Wastewater Equipment Manufacturers Assn., Inc.

M 1/10/2008

WAA-AAA

Leigh Ann Grosvenor

PrincipalCity of DeltonaBuilding & Enforcement Services2345 Providence BoulevardDeltona, FL 32725-1806

E 03/03/2014WAA-AAA

John N. Harrell

PrincipalWilson & Company, Inc.800 East 101st Terrace, Suite 200Kansas City, MO 64131Alternate: Mark W. Peterson

SE 1/1/1987

WAA-AAA

Clark A. Henry

PrincipalEnvironment One Corporation2773 Balltown RoadNiskayuna, NY 12309Alternate: George A. Earle, III

M 10/4/2007WAA-AAA

Garr M. Jones

PrincipalBrown and Caldwell308A Wood Run DriveWhitefish, MT 59937Alternate: Scott Hall

SE 1/1/1984

WAA-AAA

Stephan Larmann

PrincipalSchischek Inc.4460 Brookfield Corporate Drive, Suite BChantilly, VA 20151

M 08/09/2012WAA-AAA

Linda Leong

PrincipalSan Francisco Public Utilities Commission750 Phelps StreetSan Francisco, CA 94124Alternate: Jeff Leano

U 3/21/2006

WAA-AAA

Christine Minor

PrincipalCity of Toledo, Division of Water Reclamation3900 North Summit Street, Bldg. 1Toledo, OH 43611

U 10/4/2007WAA-AAA

Diep T. Nguyen

PrincipalDTN Engineers, Inc.1611 Telegraph Avenue, Suite 809Oakland, CA 94612Alternate: John R. Puskar

SE 10/18/2011

WAA-AAA

Gerald P. Robinson

PrincipalHatch Mott MacDonald111 Wood Avenue SouthIselin, NJ 08830-4112Alternate: Scott R. Connor


Thomas D. Stilwell

PrincipalXtralis, Inc.700 Longwater Drive, Suite 100Norwell, MA 02061Alternate: Claudio C. Groppetti

M 8/2/2010

1

Address List No PhoneWastewater Treatment Plants WAA-AAA

Nancy Pearce09/15/2014

WAA-AAA

Karl Wiegand

PrincipalGlobe Fire Sprinkler Corporation4077 Air Park DriveStandish, MI 48658-9447National Fire Sprinkler AssociationAlternate: James Lewis

M 08/11/2014WAA-AAA

Scott R. Connor

AlternateTeam-1 Academy Inc.760 Pacific Road, Unit 19Oakville, ON L6L 6M5 CanadaPrincipal: Gerald P. Robinson

SE 03/07/2013

WAA-AAA

George A. Earle, III

AlternateEnvironment One Corporation2773 Balltown RoadNiskayuna, NY 12309Principal: Clark A. Henry

M 10/4/2007WAA-AAA

Claudio C. Groppetti

AlternateXtralis, Inc.2445 Heron LaneVictoria, MN 55386Principal: Thomas D. Stilwell

M 10/18/2011

WAA-AAA

Scott Hall

AlternateBrown and Caldwell990 Hammond Drive, Suite 400Atlanta, GA 30328Principal: Garr M. Jones


Jeff Leano

AlternateCity And County of San Francisco1325a Evans AvenueSan Francisco, CA 94124Principal: Linda Leong

U 08/09/2012

WAA-AAA

James Lewis

AlternateAmerican Fire Sprinkler Corporation6750 West 47th TerraceShawnee, KS 66203-1392National Fire Sprinkler AssociationPrincipal: Karl Wiegand

M 08/11/2014WAA-AAA

Mark W. Peterson

AlternateWilson & Company, Inc.1700 East Iron AvenueSalina, KS 67401Principal: John N. Harrell

SE 03/07/2013

WAA-AAA

John R. Puskar

AlternatePuskarCo9744 Elsmere DriveParma, OH 44130-1627Principal: Diep T. Nguyen


Sam Rizzi

AlternateHILL

1103 Schrock RoadColumbus, OH 43229Principal: John G. Brosnan

SE 03/07/2013

WAA-AAA

James F. Wheeler

Member Emeritus4537 Peacock AvenueWashington, DC 20460


Nancy Pearce

Staff LiaisonNational Fire Protection Association1 Batterymarch ParkQuincy, MA 02169-7471

1/11/2012

2

2015 ANNUAL REVISION CYCLE*Public Input Dates may vary according to standards and schedules for Revision Cycles may change. Pleasecheck the NFPA Website for the most up to date information on Public Input Closing Dates and schedules at

www.nfpa.org/document # (i.e. www.nfpa.org/101) and click on the Next Edition tab.

ProcessStage

Process Step Dates forTC

Dates forTC with CC

Public Input Closing Date* 7/8/2013 7/8/2013Final Date for TC First Draft Meeting 12/13/2013 9/13/2013

Public Input Posting of First Draft and TC Ballot 1/31/2014 10/25/2013Stage Final date for Receipt of TC First Draft ballot 2/21/2014 11/15/2013

(First Draft) Final date for Receipt of TC First Draft ballot recirc 2/28/2014 11/22/2013Posting of First Draft for CC Meeting 11/29/2013Final date for CC First Draft Meeting 1/10/2014Posting of First Draft and CC Ballot 1/31/2014Final date for Receipt of CC First Draft ballot 2/21/2014Final date for Receipt of CC First Draft ballot recirc 2/28/2014Post First Draft Report for Public Comment 3/7/2014 3/7/2014

Public Comment Closing Date for Paper Submittal* 4/11/2014 4/11/2014Public Comment Closing Date for Online Submittal (e PC)* 5/16/2014 5/16/2014Final Date to Publish Notice of Consent Documents (Standards thatreceived no Comments)

5/30/2014 5/30/2014

Appeal Closing Date for Consent Standards (Standards that receivedno Comments)

6/13/2014 6/13/2014

Final date for TC Second Draft Meeting 10/31/2014 7/25/2014Comment Posting of Second Draft and TC Ballot 12/12/2014 9/5/2014Stage Final date for Receipt of TC Second Draft ballot 1/2/2015 9/26/2014

(Second Final date for receipt of TC Second Draft ballot recirc 1/9/2015 10/3/2014Draft) Posting of Second Draft for CC Meeting 10/10/2014

Final date for CC Second Draft Meeting 11/21/2014Posting of Second Draft for CC Ballot 12/12/2014Final date for Receipt of CC Second Draft ballot 1/2/2015Final date for Receipt of CC Second Draft ballot recirc 1/9/2015Post Second Draft Report for NITMAM Review 1/16/2015 1/16/2015

Tech Session Notice of Intent to Make a Motion (NITMAM) Closing Date 3/6/2015 3/6/2015Preparation Posting of Certified Amending Motions (CAMs) and Consent

Standards5/1/2015 5/1/2015

(& Issuance) Appeal Closing Date for Consent Standards 5/16/2015 5/16/2015SC Issuance Date for Consent Standards 5/26/2015 5/26/2015

Tech Session Association Meeting for Standards with CAMs 6/22 25/2015 6/22 25/2015

Appeals and Appeal Closing Date for Standards with CAMs 7/15/2015 7/15/2015Issuance SC Issuance Date for Standards with CAMs 8/20/2015 8/20/2015

Approved___ October 18, 2011 _ Revised__March 7, 2013_____________

Public Comment No. 3-NFPA 820-2014 [ Section No. 1.1.1 ]

1.1.1 General.

This standard shall establish minimum requirements for protection against fire and explosion hazards inwastewater treatment plants and associated collection systems, including the hazard classificationspecification of the hazard location of specific areas and processes, as defined by NFPA-70, Chapter 5 -Article 500 .

Statement of Problem and Substantiation for Public Comment

Existing text doesn't explain that the 'Hazardous Locations' are Hazardous as defined by NFPA-70.

Related Item

First Revision No. 3-NFPA 820-2013 [Section No. 3.3]

Submitter Information Verification

Submitter Full Name: Charles Olah

Organization: EMA Canada (formerly)

Street Address:

City:

State:

Zip:

Submittal Date: Sun May 11 02:58:01 EDT 2014

National Fire Protection Association Report http://submittals.nfpa.org/TerraViewWeb/ContentFetcher?commentPara...

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2.3.1 ASTM Publications.

ASTM International, 100 Barr Harbor Drive, P.O. Box C700, West Conshohocken, PA 19428-2959.

ASTM E 84, Standard Test Method for Surface Burning Characteristics of Building Materials,2013a 2014 .

ASTM E 108, Standard Test Methods for Fire Tests of Roof Coverings, 2011.

ASTM E 136, Standard Test Method for Behavior of Materials in a Vertical Tube Furnace at 750°C, 2012.

ASTM E 2652, Standard Test Method for Behavior of Materials in a Tube Furnace with a Cone-shapedAirflow Stabilizer, at 750°C, 2012.

IEEE/ASTM SI 10, Use of the International System of Units (SI): the Modern Metric System, 1997 2010 .


Update year dates

Related Item

First Revision No. 1-NFPA 820-2013 [Global Input]


Submitter Full Name: Steve Mawn

Organization: ASTM International

Street Address:

City:

State:

Zip:

Submittal Date: Thu May 15 15:58:56 EDT 2014


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3.3.29 Hazardous (Classified) Location.

As defined in NFPA-70, Chapter 5, Article 500. A location that is classified based on the properties of theflammable vapors, liquids, or gases, or combustible dusts or fibers that might be present and the likelihoodthat a flammable or combustible concentration or quantity is present.


Specifies that the areas are 'Hazardous' as defined by NFPA-70, and not some other arbitrary definition.

Related Item

First Revision No. 3-NFPA 820-2013 [Section No. 3.3]


Submitter Full Name: Charles Olah

Organization: EMA Canada (formerly)

Street Address:

City:

State:

Zip:

Submittal Date: Sun May 11 03:27:14 EDT 2014


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Public Comment No. 7-NFPA 820-2014 [ Chapter 8 ]

Chapter 8 Materials of Construction

8.1 General.

8.1.1

This chapter shall apply to the selection of materials of construction for buildings, structures, and processelements for protection against fire and explosion in wastewater treatment plants and associated collectionsystems.

8.1.2

Materials of construction and interior coatings and finishes shall provide a maximum degree of fireresistance with the minimum amount of flame spread and smoke generation associated with a particularapplication.

8.1.3

Materials shall be selected that reduce or eliminate the effects of fire and explosion by maintainingstructural integrity, controlling flame spread and smoke generation, minimizing the release of toxicproducts of combustion, and maintaining the serviceability and operation of critical processes.

8.1.3.1

The purpose of the criteria for selecting materials of construction shall not be to provide protection ofpersonnel from the risk of exposure to an asphyxiating or toxic atmosphere generated during a fire.

8.1.3.2

Criteria for selecting materials of construction shall not apply to nonprocess contents of the building,structure, or assembly where such contents are not a part of the building, structure, or assembly, includingthe following:

(1) Equipment or equipment enclosures

(2) Grating, walkways, ladders, railings, weirs, process piping, and appurtenances

(3) Process media

(4) Aeration devices

(5) Slide and sluice gates

(6) Pump packing and seal material

(7) Electrical conduit

(8) Hardware

(9) Liners for basins that are open to the atmosphere

(10) Materials used in rehabilitation or for lining existing sewer pipes

(11) Other components as allowed by the AHJ

8.1.4

In areas where corrosive environments are present, including classified areas, the mitigation of corrosionproblems in the selection and use of materials for nonstructural assemblies shall include the use of thefollowing:

(1) Corrosion-resistant metallic or nonmetallic grating

(2) Railings, steps and stairs, conduit

(3) Electric equipment enclosures

8.2 Materials Selection.

8.2.1

Materials shall be selected based on the criteria for a particular application.

8.2.2* Limited-Combustible Material.


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A material shall be considered a limited-combustible material where both of the following conditions of8.2.2(1) , and 8.2.2(2) , and the conditions of either 8.2.2.1 or 8.2.2.2 are met:

(1) The material does not comply with the requirements for a noncombustible material in accordancewith 8.2.3.

(2) The material, in the form in which it is used, exhibits a potential heat value not exceeding 3500 Btu/lb(8141 kJ/kg), when tested in accordance with NFPA 259, Standard Test Method for Potential Heat ofBuilding Materials. [5000:7.1.4.2]

8.2.2.1

The material shall have a structural base of noncombustible material with a surfacing not exceeding athickness of 1 ⁄8 in. (3.2 mm) where the surfacing exhibits a flame spread index not greater than 50 whentested in accordance with ASTM E 84, Standard Test Method for Surface Burning Characteristics ofBuilding Materials, or ANSI/UL 723, Standard for Test for Surface Burning Characteristics of BuildingMaterials. [5000:7.1.4.2.1]

8.2.2.2

The material shall be composed of materials that in the form and thickness used, neither exhibit a flamespread index greater than 25 nor evidence of continued progressive combustion when tested inaccordance with ASTM E 84 or ANSI/UL 723 and are of such composition that all surfaces that would beexposed by cutting through the material on any plane would neither exhibit a flame spread index greaterthan 25 nor exhibit evidence of continued progressive combustion when tested in accordance with ASTME 84 or ANSI/UL 723. [5000:7.1.4.2.2]

8.2.2.3

Where the term limited-combustible is used in this standard, it shall also include the term noncombustible.[5000:7.1.4.2.3]

8.2.3* Noncombustible Material.

A material that complies with any one of the following shall be considered a noncombustible material:

(1)

(2) The material is reported as passing ASTM E 136, Standard Test Method for Behavior of Materials ina Vertical Tube Furnace at 750 Degrees C

(3) The material is reported as complying with the pass/fail criteria of ASTM E 136 when tested inaccordance with the test method and procedure in ASTM E 2652, Standard Test Method for Behaviorof Materials in a Tube Furnace with a Cone-shaped Airflow Stabilizer, at 750 Degrees C

[5000:7.1.4.1.1]

8.2.3.1

Where the term limited-combustible is used in this standard, it shall also include the term noncombustible.[5000:7.1.4.1.2]

8.2.4*

Selection criteria shall include the following:

(1) Structural requirements

(2) Location and operating environment

(3) Fire resistance rating

(4) Flame spread index value

(5) Smoke developed index or other smoke generation values

(6) Products of combustion

(7) Corrosion resistance

* The material, in the form in which it is used, and under the conditions anticipated, will not ignite,burn, support combustion, or release flammable vapors when subjected to fire or heat


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8.2.5

For the purpose of this document, materials of construction shall be divided into the following four basiccategories:

(1) Combustible

(2) Noncombustible

(3) Limited-combustible

(4) Low flame spread index

8.2.6

Materials of construction used for unit processes located in areas with an NFPA 70 classification of Class I,Division 1 or Division 2, and Class II shall be selected based on an overall evaluation, including thefollowing:

(1) Fire risk of the material attributes

(2) Economic impact of replacing the unit process

(3) Potential environmental dangers caused by having the unit process out of service for an extendedperiod of time due to fire or explosion

8.3 Applications.

8.3.1* Sewers and Appurtenances.

Materials of construction for sewers and appurtenances such as maintenance holes, junction chambers,and catch basins shall be based on the results of a written materials risk assessment.

8.3.2 Pumping Facilities.

Materials selected for wastewater pumping facilities shall be in accordance with Table 4.2 unlessotherwise specified by either of the following:

(1) Where conditions or applications warrant the selection of combustible materials for pumping facilities,the following shall be included as part of the fire risk evaluation:

(a) Flame spread

(b) Smoke generation

(c) Corrosion resistance

(d) Products of combustion

(e) Impact of a fire or explosion on the structural integrity and operability of the pumping facility

(f) Economic and environmental consequences of having the pumping facility out of service

(2) Small aboveground pumping facilities with a floor area of 9.3 m2 (100 ft2) or less and physicallyseparated from the wet well and that do not present a fire hazard to other buildings or structures shallbe permitted to be constructed of any appropriate materials.

8.3.3 Buildings and Structures.


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8.3.3.1 General.

Buildings and structures, including domes and covers, shall be constructed of materials in accordance withTable 4.2, Table 5.2, Table 6.2(a) , and Table 6.2(b), unless otherwise specified by any of the following:

(1) Where conditions or applications warrant the selection of combustible materials for buildings andstructures, the following shall be included as part of the fire risk evaluation:

(a) Flame spread

(b) Smoke generation

(c) Corrosion resistance

(d) Products of combustion

(e) Impact of a fire or explosion on structural integrity and operability of the facility

(f) Economic and environmental consequences of having the facility out of service

(2) Small aboveground buildings and structures, including domes and covers, with a floor or surface area

of 9.3 m2 (100 ft2) or less that are physically separated from other buildings or structures and that donot present a fire hazard to other buildings or structures shall be permitted to be constructed of anyappropriate materials.

(3) Materials other than those required by Table 4.2, Table 5.2, Table 6.2(a), and Table 6.2(b) shall bepermitted in buildings or structures that are fully sprinklered in accordance with NFPA 13.

8.3.3.2 Critical Unit Processes.

8.3.3.2.1

Buildings and structures, including domes and covers, containing unit processes that are critical tomaintaining the integrity of the treatment plant (e.g., headworks, main pumping facility, primary clarifiers),and that if out of service for even a few hours could permanently damage the environment or endangerpublic health by allowing the release of raw wastewater or sludge, shall be constructed of materialsmeeting the definition of noncombustible.

8.3.3.2.2

The requirements of 8.3.3.2.1 shall not apply where otherwise permitted by 8.3.3.1.

8.3.3.2.3

Where structural assemblies and partitions are required in critical unit process areas for fire separation inaccordance with the fire risk evaluation, they shall have a minimum 3-hour fire rating.

8.3.3.2.4

Nonstructural assemblies such as ventilation ducts and piping shall be constructed of noncombustible,limited-combustible, or low flame spread index materials.

8.3.3.3 Essential Unit Processes.

8.3.3.3.1

Buildings or structures, including domes and covers, containing unit processes that are essential tomaintaining the integrity of the treatment plant (e.g., secondary biological treatment, secondary clarifiers,or disinfection facilities), and that if out of service for short periods of time would not permanently damagethe environment or endanger public health but would become critical if out of service for several days, shallbe constructed of materials meeting the definitions of noncombustible, limited-combustible, or low flamespread index.

8.3.3.3.2


8.3.3.3.3

Where structural assemblies and partitions are used in essential unit process areas for fire separation,they shall have a minimum 2-hour fire rating.

8.3.3.3.4*

Nonstructural assemblies such as ventilation ducts and piping shall be constructed of noncombustible,limited-combustible, or low flame spread index materials.

8.3.3.4 Other Unit Processes.


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8.3.3.4.1

Buildings and structures containing unit processes, including sludge-processing operations, that are notcritical or essential to maintaining the integrity of the treatment plant, and that if out of service for longperiods of time (i.e., a week or more) would not permanently damage the environment or endanger publichealth, shall be constructed of materials considered applicable by the authority having jurisdiction.

8.3.3.4.2


8.3.3.4.3

Where structural assemblies and partitions are used in other unit process areas for fire separation, theyshall have a minimum 1-hour fire rating.

8.3.3.4.4

Nonstructural assemblies such as ventilation ducts and piping shall be constructed of materials meetingthe definitions of noncombustible, limited-combustible, or low flame spread index.

8.3.3.5 Combustible Gas Generation and Combustion Processes.

8.3.3.5.1

Buildings and structures containing unit processes that generate, process, or utilize combustible gases(e.g., anaerobic wastewater treatment processes, anaerobic digesters, compressors, storage spheres,piping, waste gas burners, gas-fired equipment including sludge incinerators) shall be constructed ofmaterials meeting the definition of noncombustible.

8.3.3.5.2


8.3.3.6 Air Supply and Exhaust.

8.3.3.6.1

Noncombustible, limited-combustible, or low flame spread index materials shall be used for air supply andexhaust systems.

8.3.3.6.2

Systems supplying or exhausting air at a rate greater than 56.6 m3/min (2000 ft3/min) shall include listedsmoke dampers, listed fire dampers, and smoke detection and shall cause the ventilation system to shutdown upon detection of smoke.

8.3.3.6.3

Separate smoke ventilation systems shall be used where applicable, unless otherwise permitted by thefollowing:

(1) Smoke venting shall be permitted to be integrated into installed ventilation systems using automaticor manually positioned dampers and motor speed control in accordance with NFPA 90A, and NFPA204 shall be reviewed for further information.

(2) Smoke venting also shall be permitted to be accomplished through the use of portable smokeejectors.

8.3.3.7 Miscellaneous Materials.

8.3.3.7.1

Cellular or foamed plastic materials shall only be used in accordance with NFPA 101® .

8.3.3.7.2

Roof coverings shall be Class A in accordance with ASTM E 108, Standard Test Methods for Fire Tests ofRoof Coverings, or UL 790, Standard Test Methods for Fire Tests of Roof Coverings.

8.3.3.7.3

Metal roof deck construction shall be Class I or shall be fire classified.

8.3.3.7.4

Class II metal roof deck construction shall be permitted in buildings or structures that are fully sprinkleredin accordance with 7.2.2.


A building code will be followed, no matter which one is adopted. So unless the provisions in Chapter 8 are specific to wastewater collection and treatment facilities, then there is no reason for building construction provisions to be in NFPA 820. Consideration may be given to providing a reference to the building code for specific


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construction attributes.

Related Item

Committee Input No. 22-NFPA 820-2013 [Chapter 8]


Submitter Full Name: Jim Muir

Organization: Building Safety Division, Clark County, Washington

Affilliation: NFPA's Building Code Development Committee (BCDC)

Street Address:

City:

State:

Zip:

Submittal Date: Fri May 16 12:58:08 EDT 2014


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Public Comment No. 2-NFPA 820-2014 [ New Section after 10.4 ]

8. Create planning documents and conduct training in accordance with NFPA 56 for flammable gaspiping repairs, cleaning, purging and planned releases of gasses.


NFPA 56 contains numerous safe work practices related to cleaning, repairing, and purging flammable gas piping systems. This comment provides a reference for the inclusion of NFPA 56 by reference as per PI #33 which was accepted.

Related Item

Public Input No. 33-NFPA 820-2013 [Section No. 2.2]


Submitter Full Name: John Puskar

Organization: PuskarCo

Street Address:

City:

State:

Zip:

Submittal Date: Sat May 10 15:14:46 EDT 2014


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