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National Building Code 2005

by Robert Charney. 2. Part 3. National Building Code 2005 contains several requirements and regulations in Part 3 that pertain to plumbing systems within the building. The starting point is the classification of building occupancy.Classification of the building major use and additional uses is necessary to determine the occupant load and fire protection needs and the restriction of flammable material..

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National Building Code 2005

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    1. by Robert Charney 1 National Building Code 2005 Plumbing Requirements contained within the building code

    2. by Robert Charney 2 Part 3 National Building Code 2005 contains several requirements and regulations in Part 3 that pertain to plumbing systems within the building. The starting point is the classification of building occupancy. Classification of the building major use and additional uses is necessary to determine the occupant load and fire protection needs and the restriction of flammable material.

    3. by Robert Charney 3 Occupancies In the National Building Code 2005 Division B, Part 3 section are grouped into five major occupancies groups and various divisions

    4. by Robert Charney 4 A Assembly Divisions Production and viewing of performing arts Others not classified (restaurants, bars) Arenas Open air gatherings (race track)

    5. by Robert Charney 5 B Care and Detention Includes penitentiaries, jails, psychiatric wards and special needs facilities Divisions Under restraint or limited self preservation due to security measures Cognitive or physical limitations requiring special care or treatment

    6. by Robert Charney 6 C Residential Divisions (none) May include group homes and personal care

    7. by Robert Charney 7 D Business and Personal Service Divisions (none) insurance, hair salon, dentist, locksmith

    8. by Robert Charney 8 E Mercantile Divisions (none) department stores

    9. by Robert Charney 9 F Industrial Manufacturing Divisions high hazard medium hazard low hazard

    10. by Robert Charney 10 OCCUPANT LOAD Is based on occupancy designation and is determined by Part 3 section limits the residential occupation load to 2 persons per sleeping room otherwise determined by the floor area in square meters per person as stipulated in table

    11. by Robert Charney 11 OCCUPANT LOAD continued The NBC 2005 equally divides the occupant load between males and females unless it can be proven to be accurately divided proportionally different as per section

    12. by Robert Charney 12 Minimum Plumbing Requirements NBC 2005 states in Part 3 section that sanitary privies, chemical closets and other means of disposing human waste shall provided in the absence of water supply system. This is an indirect statement that essential is stating that once a building has a water distribution system, it must also have a drainage system with required fixtures.

    13. by Robert Charney 13 Required Fixtures for Residential Are defined by NBC 2005 in statement and include a kitchen sink, lavatory, bathtub or shower and water closet. Statement includes a floor drain in the basement. Floor drains are also required in a garbage room, incinerator room or boiler room serving more than one dwelling unit in statement

    14. by Robert Charney 14 Fixtures required in other Occupancies Water closet number determined as per occupancy statement Water closet substitution two thirds rule for urinals Lavatory two WC to one lavatory rule Floor drain for auto flush urinal

    15. by Robert Charney 15 Water Closets the Starting Point Section of the NBC 2005 states that both sexes may be served by a single water closet if the occupant load is 10 or less. Every dwelling requires a water closet as per statement Additional required water closets are determined by code statements based on occupancy and occupant load.

    16. by Robert Charney 16 Water Closet Determination Group A---Assembly table as per Group B---Care and Detention as per statement Group C---Residential statement Group D---Business and Personal Service as per table Group E---Mercantile as per statement Group F---Industrial as per table Primary schools and day care as per statement Worship and Undertaking as per statement

    17. by Robert Charney 17 Universal Design The NBC 2005 intention is to have washroom facilities accessible to both sexes of persons with disabilities (section 3.8 universal) however dwelling units including homes, semi detached, duplex, triplex, town houses, row houses and boarding houses are exempt as per Those buildings that incorporate a universal design washroom may reduce the occupant load by 10 before applying the appropriate determination statement.

    18. by Robert Charney 18 Major Occupancy Classifications A- The following are examples of major occupancy classifications described in table

    19. by Robert Charney 19 Group A, Division 1 ASSEMBLY Motion picture theaters Opera houses Television studios admitting a viewing audience Theaters, including experimental theaters

    20. by Robert Charney 20 Group A, Division 2 ASSEMBLY Art galleries Auditoria Bowling alleys Churches and similar places of worship Clubs, nonresidential Community halls Courtrooms Dance halls Exhibition halls Gymnasia Lecture halls Libraries Licensed beverage establishments Museums Passenger stations and depots Recreational piers Restaurants Schools and colleges, nonresidential Undertaking premises

    21. by Robert Charney 21 Group A Division 3 ASSEMBLY Arenas Indoor swimming pools, with or without spectator seating Rinks

    22. by Robert Charney 22 Group A Division 4 ASSEMBLY Amusement park structures (not elsewhere classified) Bleachers Grandstands Reviewing stands Stadia

    23. by Robert Charney 23 Group B Division 1 CARE AND DETENTION Jails Penitentiaries Police stations with detention quarters Prisons Psychiatric hospitals with detention quarters Reformatories with detention quarters

    24. by Robert Charney 24 Group B Division 2 CARE AND DETENTION Childrens custodial homes Convalescent homes Hospitals Infirmaries Nursing homes Orphanages Psychiatric hospitals without detention quarters Reformatories without detention quarters Sanatoria without detention quarters

    25. by Robert Charney 25 Group C RESIDENTIAL Apartments Boarding houses Clubs, residential Colleges, residential Convents Dormitories Hotels Houses Lodging houses Monasteries Motels Schools, residential

    26. by Robert Charney 26 Group D BUSINESS and PERSONAL SERVICE Banks Barber and hairdressing shops Beauty parlors Dental offices Dry cleaning establishments, self serve, not using flammables Laundries, self serve Medical offices Offices Police stations without detention quarters Radio stations Small tool and appliance rental and service establishments

    27. by Robert Charney 27 Group E MERCANTILE Department stores Exhibition halls Markets Shops Stores Supermarkets

    28. by Robert Charney 28 Group F, Division 1 INDUSTRIAL Bulk plants for flammable liquids Bulk storage warehouses for hazardous substances Cereal mills Chemical manufacturing or processing plants Distilleries Dry cleaning plants Feed mills Flour mills Grain elevators Lacquer factories Mattress factories Paint, varnish and pyroxylin product factories Rubber processing plants Spray painting operations Waste paper processing plants

    29. by Robert Charney 29 Group F, Division 2 INDUSTRIAL Aircraft hangers Box factories Candy plants Cold storage plants Dry cleaning establishments not using flammable solvents Electrical substations Factories Freight depots Helicopter landing areas on roofs Laboratories Laundries, except self serve Mattress factories Planing mills Printing plants Repair garages Salesrooms Service stations Storage rooms Television studios not admitting viewing audience Warehouses Wholesale rooms Woodworking factories Workshops

    30. by Robert Charney 30 Group F, Division 3 INDUSTRIAL Creameries Factories Laboratories Power plants Salesrooms Sample display rooms Storage garages, including open air parking garages Storage rooms Warehouses Workshops

    31. by Robert Charney 31 Fire Separation and Fire Stopping Articles in Part 3 section and describe some of the requirements regarding non combustible construction and smoke and fire resistance limitations. Part 3 section describes combustible plumbing fixtures use in a non combustible constructed building. Articles in Part 3 section and describes fire separation penetration fire stopping requirements.

    32. by Robert Charney 32 STANDPIPE Firefighting requirements are described beginning in section for buildings more than 3 stories in height.

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