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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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 22.214.171.124 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)
Open air gatherings (race track)
5. by Robert Charney 5 B Care and Detention Includes penitentiaries, jails, psychiatric wards and special needs facilities
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)
9. by Robert Charney 9 F Industrial Manufacturing
10. by Robert Charney 10 OCCUPANT LOAD Is based on occupancy designation and is determined by Part 3 section 126.96.36.199
limit’s 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 188.8.131.52
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 184.108.40.206(1).
12. by Robert Charney 12 Minimum Plumbing Requirements NBC 2005 states in Part 3 section 220.127.116.11(1) 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 18.104.22.168.(1) and include a kitchen sink, lavatory, bathtub or shower and water closet.
Statement 22.214.171.124.(1) 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 126.96.36.199(2).
14. by Robert Charney 14 Fixtures required in other Occupancies Water closet 188.8.131.52.(1) number determined as per occupancy statement
Water closet substitution 184.108.40.206.(5) two thirds rule for urinals
Lavatory 220.127.116.11.(1) two WC to one lavatory rule
Floor drain 18.104.22.168.(1) for auto flush urinal
15. by Robert Charney 15 Water Closets the Starting Point Section 22.214.171.124.(4) 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 126.96.36.199(11).
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 188.8.131.52.A
Group B---Care and Detention as per statement 184.108.40.206(9)
Group C---Residential statement 220.127.116.11(10)
Group D---Business and Personal Service as per table 18.104.22.168.B
Group E---Mercantile as per statement 22.214.171.124(13)
Group F---Industrial as per table 126.96.36.199.C
Primary schools and day care as per statement 188.8.131.52(7)
Worship and Undertaking as per statement 184.108.40.206.(8)
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 220.127.116.11(1).
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-18.104.22.168.(1) The following are examples of major occupancy classifications described in table 22.214.171.124
19. by Robert Charney 19 Group A, Division 1 ASSEMBLY
Motion picture theaters
Television studios admitting a viewing audience
Theaters, including experimental theaters
20. by Robert Charney 20 Group A, Division 2 ASSEMBLY Art galleries
Churches and similar places of worship
Licensed beverage establishments
Passenger stations and depots
Schools and colleges, nonresidential
21. by Robert Charney 21 Group A Division 3 ASSEMBLY
Indoor swimming pools, with or without spectator seating
22. by Robert Charney 22 Group A Division 4 ASSEMBLY
Amusement park structures (not elsewhere classified)
23. by Robert Charney 23 Group B Division 1 CARE AND DETENTION Jails
Police stations with detention quarters
Psychiatric hospitals with detention quarters
Reformatories with detention quarters
24. by Robert Charney 24 Group B Division 2 CARE AND DETENTION
Children’s custodial homes
Psychiatric hospitals without detention quarters
Reformatories without detention quarters
Sanatoria without detention quarters
25. by Robert Charney 25 Group C RESIDENTIAL Apartments
26. by Robert Charney 26 Group D BUSINESS and PERSONAL SERVICE
Barber and hairdressing shops
Dry cleaning establishments, self serve, not using flammables
Laundries, self serve
Police stations without detention quarters
Small tool and appliance rental and service establishments
27. by Robert Charney 27 Group E MERCANTILE
28. by Robert Charney 28 Group F, Division 1 INDUSTRIAL
Bulk plants for flammable liquids
Bulk storage warehouses for hazardous substances
Chemical manufacturing or processing plants
Dry cleaning plants
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
Cold storage plants
Dry cleaning establishments not using flammable solvents
Helicopter landing areas on roofs
Laundries, except self serve
Television studios not admitting viewing audience
30. by Robert Charney 30 Group F, Division 3 INDUSTRIAL
Sample display rooms
Storage garages, including open air parking garages
31. by Robert Charney 31 Fire Separation and Fire Stopping Articles in Part 3 section 126.96.36.199 and 188.8.131.52.thru 184.108.40.206 describe some of the requirements regarding non combustible construction and smoke and fire resistance limitations.
Part 3 section 220.127.116.11 describes combustible plumbing fixtures use in a non combustible constructed building.
Articles in Part 3 section 18.104.22.168 and 22.214.171.124 describes fire separation penetration fire stopping requirements.
32. by Robert Charney 32 STANDPIPE Firefighting requirements are described beginning in section 126.96.36.199 for buildings more than 3 stories in height.