Chapter 296-150C WAC
COMMERCIAL COACHES
Last Update: 5/30/08

WAC SECTIONS

296-150C-0010 Authority, purpose, and scope.
296-150C-0020 What definitions apply to this chapter?
296-150C-0030 How is this chapter enforced?
296-150C-0040 Will you keep my manufacturing information confidential?
296-150C-0050 Can you prohibit the sale or lease of my commercial coach?
296-150C-0060 Who handles consumer complaints about commercial coaches?
296-150C-0070 Do you have reciprocal agreements with other states to inspect commercial coaches?
296-150C-0080 Do you allow a local enforcement agency to inspect commercial coaches at the manufacturing location?
296-150C-0100 What happens if I disagree with your decision regarding my compliance with this chapter?
296-150C-0110 Do you have an advisory board to address commercial coach issues?
296-150C-0120 Where can I obtain technical assistance regarding commercial coaches?
296-150C-0140 Do you allow the use of alternate materials, alternate design and method of construction?
296-150C-0150 How does the department regulate commercial coaches that are used as medical units as defined in chapter 296-150V WAC?
INSIGNIA
296-150C-0200 Who must obtain commercial coach insignia?
296-150C-0210 What are the insignia requirements?
296-150C-0220 How do I obtain insignia information and the required forms?
296-150C-0230 What are the insignia application requirements?
296-150C-0240 What documentation do you need to perform an alteration inspection?
296-150C-0250 How do I replace lost or damaged insignia?
DESIGN PLAN
296-150C-0300 When is design-plan approval required?
296-150C-0310 Who can approve design plans?
DESIGN-PLAN APPROVAL BY THE DEPARTMENT
296-150C-0320 What must I provide with my request for commercial coach design-plan approval by the department?
296-150C-0340 What must an engineering analysis for design plans include?
296-150C-0350 What must test procedures and results for design plans include?
296-150C-0380 What happens if you approve my design plan?
296-150C-0390 If my design plan is not approved, how much time do I have to submit a corrected design plan?
296-150C-0400 What happens after my design plan is approved?
296-150C-0410 When does my design plan expire?
296-150C-0415 Who approves addendums to design plans approved by the department?
DESIGN-PLAN APPROVAL BY A LICENSED PROFESSIONAL OR FIRM
296-150C-0420 Who can be authorized to approve design plans?
296-150C-0430 What information must a professional or firm provide to be authorized to approve design plans?
296-150C-0440 How will I know whether I am authorized to approve design plans?
296-150C-0450 How long is a licensed professional or firms authorization effective?
296-150C-0460 What information must a manufacturer provide when a professional or firm does the design-plan approval?
296-150C-0470 What happens after we receive the professional or firm approved design plan and information?
296-150C-0480 Do you have a list of professionals or firms that are authorized to approve design plans?
296-150C-0490 Who approves addendums to design plans approved by a professional or firm?
INSPECTIONS PRIOR TO ISSUANCE OF AN INSIGNIA
296-150C-0500 When is an inspection required?
296-150C-0510 How do I request an inspection?
296-150C-0520 What happens if my commercial coach passes inspection?
296-150C-0530 Am I charged if I request an inspection but I am not prepared?
296-150C-0540 Who inspects commercial coach installation at the building site?
296-150C-0550 Do you allow a commercial coach to be completed at the installation site?
296-150C-0560 What happens if I receive a notice of noncompliance after inspection of the alteration to my commercial coach?
USED COMMERCIAL COACHES WITHOUT AN INSIGNIA
296-150C-0580 Must I obtain an insignia for used commercial coaches?
296-150C-0590 How do I obtain insignia for used commercial coaches?
MANUFACTURER'S NOTICE TO THE DEPARTMENT
296-150C-0700 Must manufacturers of commercial coaches notify you if they manufacture at more than one location?
296-150C-0710 Must manufacturers of commercial coaches notify you of a change in business name or address?
296-150C-0720 Must manufacturers of commercial coaches notify you of a change in business ownership?
COMMERCIAL COACH CONSTRUCTION CODE
GENERAL
296-150C-0800 What manufacturing codes apply to commercial coaches?
296-150C-0805 Are there any special requirements for portable school classrooms?
296-150C-0810 Construction definitions.
STRUCTURAL
296-150C-0820 What are the basic structural requirements of a commercial coach?
296-150C-0830 Fastening of structural systems.
296-150C-0840 Live loads.
296-150C-0850 Roof loads.
296-150C-0860 Snow loads.
296-150C-0870 Standard wind loads.
296-150C-0880 Windstorm protection -- Provisions for support and anchoring.
296-150C-0900 Interior walls and partitions.
296-150C-0910 Minimum uniform and concentrated live loads.
296-150C-0920 Design load deflection.
296-150C-0930 Structural load tests.
CONSTRUCTION
296-150C-0940 Fastening of structural systems.
296-150C-0950 Roof coverings/membrane/weather resistant.
296-150C-0960 What requirements apply to commercial coach roof trusses?
296-150C-0970 Roof construction.
296-150C-0990 Sealing wall exterior openings.
296-150C-1000 Drilling or notching of wood wall structural members.
296-150C-1020 Wall construction.
296-150C-1030 Fire-blocking.
296-150C-1040 Floors.
296-150C-1050 Drilling or notching of wood joist structural members.
296-150C-1060 Fastening of structural systems.
296-150C-1070 Floor closure material.
296-150C-1080 What design and construction requirements apply to a commercial coach chassis?
MATERIALS
296-150C-1090 Standards for equipment and installations.
296-150C-1100 Flame-spread limitations.
296-150C-1110 Combustible limitations.
296-150C-1120 Kitchen cabinet protection.
296-150C-1130 Insulation standards.
296-150C-1140 Room sizes.
296-150C-1150 Hallways.
296-150C-1160 Accessibility standards.
296-150C-1170 What are the lighting and ventilation requirements of a commercial coach?
296-150C-1175 Glass and glazed openings.
296-150C-1180 Commercial coach exits.
296-150C-1190 Interior privacy.
296-150C-1195 Fire warning equipment -- Automatic smoke detectors.
296-150C-1200 Installation instructions.
296-150C-1210 Table: Number of ties required per side of commercial coach.
ELECTRICAL
296-150C-1220 Electrical -- General.
296-150C-1230 Electrical definitions.
296-150C-1240 Branch circuit and feeder calculations.
296-150C-1250 Disconnecting means and branch circuit protective equipment.
296-150C-1260 Power supply -- Feeder assembly equipment.
296-150C-1270 Identification of feeder assembly connection.
296-150C-1280 Wiring methods -- Wiring of expandable or multiple units.
296-150C-1290 Under-chassis wiring.
296-150C-1300 Equipment mounting.
296-150C-1303 How must storage batteries be installed in a commercial coach?
296-150C-1310 Grounding -- General.
296-150C-1320 Dielectric strength test.
MECHANICAL
296-150C-1330 Mechanical -- General.
296-150C-1340 Mechanical definitions.
296-150C-1346 When HVAC equipment is supplied with more than one CFM rating, which rating do I use?
296-150C-1350 LPG system enclosure and mounting.
296-150C-1360 Gas piping -- Piping design.
296-150C-1370 Gas piping -- Expandable or multiple commercial coaches.
296-150C-1380 Concealed tubing.
296-150C-1390 Gas piping -- Pipe-joint compound.
296-150C-1400 Gas piping -- Hangers and supports.
296-150C-1410 Gas piping -- Electrical ground.
296-150C-1420 Identification of gas supply connections.
296-150C-1430 Gas piping system openings.
296-150C-1440 Gas piping -- Valves.
296-150C-1450 Gas piping -- Testing for leakage before appliances are connected.
296-150C-1460 Gas piping -- Testing for leakage after appliances are connected.
VENTILATION AND INDOOR AIR QUALITY
296-150C-1470 Ventilation and indoor air quality -- General.
296-150C-1480 Ventilation and indoor air quality definitions.
296-150C-1490 Appliances -- Installation.
296-150C-1500 Safety devices -- Water heater relief valves.
296-150C-1510 Air ducts -- Expandable or multiple commercial coach connections.
296-150C-1520 Air ducts -- Duct and plenum insulation.
PLUMBING
296-150C-1530 Plumbing -- General.
296-150C-1540 Plumbing -- Definitions.
296-150C-1545 Does the department require a water system expansion tank be installed?
296-150C-1550 Drainage -- Cap or plug.
296-150C-1560 Drainage -- Clearance from drain outlet.
296-150C-1570 Water supply connection.
COMMERCIAL COACH FEES
296-150C-3000 Commercial coach fees.
DISPOSITIONS OF SECTIONS FORMERLY CODIFIED IN THIS CHAPTER
296-150C-0330 What must I provide with my request for a commercial coach vendor unit design-plan approval by the department? [Statutory Authority: RCW 43.22.340, [43.22.]355, [43.22.]360, [43.22.]432, [43.22.]440 and [43.22.]480. 96-21-146, § 296-150C-0330, filed 10/23/96, effective 11/25/96.]  Repealed by 00-01-188, filed 12/22/99, effective 2/8/00. Statutory Authority: RCW 43.22.480. 
296-150C-0980 Wall coverings. [Statutory Authority: RCW 43.22.340, [43.22.]355, [43.22.]360, [43.22.]432, [43.22.]440 and[43.22.]480 . 96-21-146, § 296-150C-0980, filed 10/23/96, effective 11/25/96.]  Repealed by 98-14-078, filed 6/30/98, effective 731/98. Statutory Authority: Chapter 43.22 RCW. 
296-150C-1345 May the electrical disconnect required for mechanical equipment be inside of or mounted on the equipment? [Statutory Authority: RCW 43.22.340 and 43.22.480. 99-13-010, § 296-150C-1345, filed 6/4/99, effective 7/5/99.]  Repealed by 05-01-102, filed 12/14/04, effective 2/1/05. Statutory Authority: Chapter 43.22 RCW and 2003 c 291. 
296-150C-1580 What manufacturing codes apply when converting structures to vendor units? [Statutory Authority: Chapter 43.22 RCW. 98-14-078, § 296-150C-1580, filed 6/30/98, effective 7/31/98. Statutory Authority: RCW 43.22.340,[43.22.]355 , [43.22.]360, [43.22.]432, [43.22.]440 and [43.22.]480. 96-21-146, § 296-150C-1580, filed 10/23/96, effective 11/25/96.]  Repealed by 00-01-188, filed 12/22/99, effective 2/8/00. Statutory Authority: RCW 43.22.480. 
296-150C-1590 Is a structural analysis required when converting a vehicle or structure to a vendor unit? [Statutory Authority: Chapter 43.22 RCW. 98-14-078, § 296-150C-1590, filed 6/30/98, effective 7/31/98. Statutory Authority: RCW 43.22.340, [43.22.]355, [43.22.]360, [43.22.]432, [43.22.]440 and [43.22.]480. 96-21-146, § 296-150C-1590, filed 10/23/96, effective 11/25/96.]  Repealed by 00-01-188, filed 12/22/99, effective 2/8/00. Statutory Authority: RCW 43.22.480. 
296-150C-1600 What are the live load requirements of a vendor unit? [Statutory Authority: Chapter 43.22 RCW. 98-14-078, § 296-150C-1600, filed 6/30/98, effective 7/31/98. Statutory Authority: RCW 43.22.340, [43.22.]355, [43.22.]360,[43.22.]432 , [43.22.]440 and [43.22.]480. 96-21-146, § 296-150C-1600, filed 10/23/96, effective 11/25/96.]  Repealed by 00-01-188, filed 12/22/99, effective 2/8/00. Statutory Authority: RCW 43.22.480. 
296-150C-1610 Design load deflection. [Statutory Authority: RCW 43.22.340, [43.22.]355, [43.22.]360, [43.22.]432, [43.22.]440 and [43.22.]480. 96-21-146, § 296-150C-1610, filed 10/23/96, effective 11/25/96.]  Repealed by 00-01-188, filed 12/22/99, effective 2/8/00. Statutory Authority: RCW 43.22.480. 
296-150C-1620 Structural load tests. [Statutory Authority: RCW 43.22.340, [43.22.]355, [43.22.]360, [43.22.]432, [43.22.]440 and [43.22.]480. 96-21-146, § 296-150C-1620, filed 10/23/96, effective 11/25/96.]  Repealed by 00-01-188, filed 12/22/99, effective 2/8/00. Statutory Authority: RCW 43.22.480. 
296-150C-1630 Roof coverings/membrane/weather resistant. [Statutory Authority: RCW 43.22.340, [43.22.]355, [43.22.]360,[43.22.]432 , [43.22.]440 and [43.22.]480. 96-21-146, § 296-150C-1630, filed 10/23/96, effective 11/25/96.]  Repealed by 00-01-188, filed 12/22/99, effective 2/8/00. Statutory Authority: RCW 43.22.480. 
296-150C-1640 Floors. [Statutory Authority: RCW 43.22.340, [43.22.]355, [43.22.]360, [43.22.]432, [43.22.]440 and[43.22.]480 . 96-21-146, § 296-150C-1640, filed 10/23/96, effective 11/25/96.]  Repealed by 00-01-188, filed 12/22/99, effective 2/8/00. Statutory Authority: RCW 43.22.480. 
296-150C-1650 Floor closure material. [Statutory Authority: RCW 43.22.340, [43.22.]355, [43.22.]360, [43.22.]432, [43.22.]440 and [43.22.]480. 96-21-146, § 296-150C-1650, filed 10/23/96, effective 11/25/96.]  Repealed by 00-01-188, filed 12/22/99, effective 2/8/00. Statutory Authority: RCW 43.22.480. 
296-150C-1660 Chassis approval. [Statutory Authority: RCW 43.22.340, [43.22.]355, [43.22.]360, [43.22.]432, [43.22.]440 and[43.22.]480 . 96-21-146, § 296-150C-1660, filed 10/23/96, effective 11/25/96.]  Repealed by 00-01-188, filed 12/22/99, effective 2/8/00. Statutory Authority: RCW 43.22.480. 
296-150C-1670 Standards for equipment and installations. [Statutory Authority: RCW 43.22.340, [43.22.]355, [43.22.]360,[43.22.]432 , [43.22.]440 and [43.22.]480. 96-21-146, § 296-150C-1670, filed 10/23/96, effective 11/25/96.]  Repealed by 00-01-188, filed 12/22/99, effective 2/8/00. Statutory Authority: RCW 43.22.480. 
296-150C-1680 Flame-spread limitations. [Statutory Authority: RCW 43.22.340, [43.22.]355, [43.22.]360, [43.22.]432,[43.22.]440 and [43.22.]480. 96-21-146, § 296-150C-1680, filed 10/23/96, effective 11/25/96.]  Repealed by 00-01-188, filed 12/22/99, effective 2/8/00. Statutory Authority: RCW 43.22.480. 
296-150C-1690 Cabinet protection. [Statutory Authority: RCW 43.22.340, [43.22.]355, [43.22.]360, [43.22.]432, [43.22.]440 and [43.22.]480. 96-21-146, § 296-150C-1690, filed 10/23/96, effective 11/25/96.]  Repealed by 00-01-188, filed 12/22/99, effective 2/8/00. Statutory Authority: RCW 43.22.480. 
296-150C-1700 Insulation standards. [Statutory Authority: RCW 43.22.340, [43.22.]355, [43.22.]360, [43.22.]432, [43.22.]440 and [43.22.]480. 96-21-146, § 296-150C-1700, filed 10/23/96, effective 11/25/96.]  Repealed by 00-01-188, filed 12/22/99, effective 2/8/00. Statutory Authority: RCW 43.22.480. 
296-150C-1710 Light and ventilation. [Statutory Authority: RCW 43.22.340, [43.22.]355, [43.22.]360, [43.22.]432, [43.22.]440 and [43.22.]480. 96-21-146, § 296-150C-1710, filed 10/23/96, effective 11/25/96.]  Repealed by 00-01-188, filed 12/22/99, effective 2/8/00. Statutory Authority: RCW 43.22.480. 
296-150C-1720 What requirements apply to vending unit exits? [Statutory Authority: Chapter 43.22 RCW. 98-14-078, § 296-150C-1720, filed 6/30/98, effective 7/31/98. Statutory Authority: RCW 43.22.340, [43.22.]355, [43.22.]360,[43.22.]432 , [43.22.]440 and [43.22.]480. 96-21-146, § 296-150C-1720, filed 10/23/96, effective 11/25/96.]  Repealed by 00-01-188, filed 12/22/99, effective 2/8/00. Statutory Authority: RCW 43.22.480. 
296-150C-1730 What code and installation requirements apply to vendor unit electrical systems? [Statutory Authority: Chapter 43.22 RCW. 98-14-078, § 296-150C-1730, filed 6/30/98, effective 7/31/98. Statutory Authority: RCW 43.22.340, [43.22.]355, [43.22.]360, [43.22.]432, [43.22.]440 and [43.22.]480. 96-21-146, § 296-150C-1730, filed 10/23/96, effective 11/25/96.]  Repealed by 00-01-188, filed 12/22/99, effective 2/8/00. Statutory Authority: RCW 43.22.480. 
296-150C-1740 What are the mechanical requirements for a vendor unit? [Statutory Authority: Chapter 43.22 RCW. 98-14-078, § 296-150C-1740, filed 6/30/98, effective 7/31/98. Statutory Authority: RCW 43.22.340, [43.22.]355,[43.22.]360 , [43.22.]432, [43.22.]440 and [43.22.]480. 96-21-146, § 296-150C-1740, filed 10/23/96, effective 11/25/96.]  Repealed by 00-01-188, filed 12/22/99, effective 2/8/00. Statutory Authority: RCW 43.22.480. 
296-150C-1750 What are the LPG system enclosure and mounting requirements for a vendor unit? [Statutory Authority: Chapter 43.22 RCW. 98-14-078, § 296-150C-1750, filed 6/30/98, effective 7/31/98.]  Repealed by 00-01-188, filed 12/22/99, effective 2/8/00. Statutory Authority: RCW 43.22.480. 
296-150C-1751 What are the fuel gas piping design requirements for a vendor unit? [Statutory Authority: Chapter 43.22 RCW. 98-14-078, § 296-150C-1751, filed 6/30/98, effective 7/31/98.]  Repealed by 00-01-188, filed 12/22/99, effective 2/8/00. Statutory Authority: RCW 43.22.480. 
296-150C-1752 Can gas tubing be concealed in a vendor unit? [Statutory Authority: Chapter 43.22 RCW. 98-14-078, § 296-150C-1752, filed 6/30/98, effective 7/31/98.]  Repealed by 00-01-188, filed 12/22/99, effective 2/8/00. Statutory Authority: RCW 43.22.480. 
296-150C-1753 What are the pipe-joint compound requirements for gas piping in a vendor unit? [Statutory Authority: Chapter 43.22 RCW. 98-14-078, § 296-150C-1753, filed 6/30/98, effective 7/31/98.]  Repealed by 00-01-188, filed 12/22/99, effective 2/8/00. Statutory Authority: RCW 43.22.480. 
296-150C-1754 What are the gas piping hanger and support requirements for a vendor unit? [Statutory Authority: Chapter 43.22 RCW. 98-14-078, § 296-150C-1754, filed 6/30/98, effective 7/31/98.]  Repealed by 00-01-188, filed 12/22/99, effective 2/8/00. Statutory Authority: RCW 43.22.480. 
296-150C-1755 What are the electrical bonding requirements for gas piping in a vendor unit? [Statutory Authority: Chapter 43.22 RCW. 98-14-078, § 296-150C-1755, filed 6/30/98, effective 7/31/98.]  Repealed by 00-01-188, filed 12/22/99, effective 2/8/00. Statutory Authority: RCW 43.22.480. 
296-150C-1756 How are gas supply connections in a vendor unit identified? [Statutory Authority: Chapter 43.22 RCW. 98-14-078, § 296-150C-1756, filed 6/30/98, effective 7/31/98.]  Repealed by 00-01-188, filed 12/22/99, effective 2/8/00. Statutory Authority: RCW 43.22.480. 
296-150C-1757 What requirements apply to gas piping system openings? [Statutory Authority: Chapter 43.22 RCW. 98-14-078, § 296-150C-1757, filed 6/30/98, effective 7/31/98.]  Repealed by 00-01-188, filed 12/22/99, effective 2/8/00. Statutory Authority: RCW 43.22.480. 
296-150C-1758 Are gas piping shut-off valves required in a vendor unit? [Statutory Authority: Chapter 43.22 RCW. 98-14-078, § 296-150C-1758, filed 6/30/98, effective 7/31/98.]  Repealed by 00-01-188, filed 12/22/99, effective 2/8/00. Statutory Authority: RCW 43.22.480. 
296-150C-1759 What requirements apply to testing for gas piping leaks before vendor unit appliances are connected? [Statutory Authority: Chapter 43.22 RCW. 98-14-078, § 296-150C-1759, filed 6/30/98, effective 7/31/98.]  Repealed by 00-01-188, filed 12/22/99, effective 2/8/00. Statutory Authority: RCW 43.22.480. 
296-150C-1760 What requirements apply to testing for gas piping leaks after vendor unit appliances are connected? [Statutory Authority: Chapter 43.22 RCW. 98-14-078, § 296-150C-1760, filed 6/30/98, effective 7/31/98.]  Repealed by 00-01-188, filed 12/22/99, effective 2/8/00. Statutory Authority: RCW 43.22.480. 
296-150C-1770 Appliances -- Installation. [Statutory Authority: RCW 43.22.340, [43.22.]355, [43.22.]360, [43.22.]432,[43.22.]440 and [43.22.]480. 96-21-146, § 296-150C-1770, filed 10/23/96, effective 11/25/96.]  Repealed by 00-01-188, filed 12/22/99, effective 2/8/00. Statutory Authority: RCW 43.22.480. 
296-150C-1780 Safety devices -- Water heater relief valves. [Statutory Authority: RCW 43.22.340, [43.22.]355, [43.22.]360,[43.22.]432 , [43.22.]440 and [43.22.]480. 96-21-146, § 296-150C-1780, filed 10/23/96, effective 11/25/96.]  Repealed by 00-01-188, filed 12/22/99, effective 2/8/00. Statutory Authority: RCW 43.22.480. 
296-150C-1790 Plumbing -- General. [Statutory Authority: RCW 43.22.340, [43.22.]355, [43.22.]360, [43.22.]432, [43.22.]440 and [43.22.]480. 96-21-146, § 296-150C-1790, filed 10/23/96, effective 11/25/96.]  Repealed by 00-01-188, filed 12/22/99, effective 2/8/00. Statutory Authority: RCW 43.22.480. 
296-150C-1800 Plumbing -- Definitions. [Statutory Authority: RCW 43.22.340, [43.22.]355, [43.22.]360, [43.22.]432, [43.22.]440 and [43.22.]480. 96-21-146, § 296-150C-1800, filed 10/23/96, effective 11/25/96.]  Repealed by 00-01-188, filed 12/22/99, effective 2/8/00. Statutory Authority: RCW 43.22.480. 
296-150C-1810 Drainage -- Cap or plug. [Statutory Authority: RCW 43.22.340, [43.22.]355, [43.22.]360, [43.22.]432, [43.22.]440 and [43.22.]480. 96-21-146, § 296-150C-1810, filed 10/23/96, effective 11/25/96.]  Repealed by 00-01-188, filed 12/22/99, effective 2/8/00. Statutory Authority: RCW 43.22.480. 
296-150C-1820 Drainage -- Clearance from drain outlet. [Statutory Authority: RCW 43.22.340, [43.22.]355, [43.22.]360,[43.22.]432 , [43.22.]440 and [43.22.]480. 96-21-146, § 296-150C-1820, filed 10/23/96, effective 11/25/96.]  Repealed by 00-01-188, filed 12/22/99, effective 2/8/00. Statutory Authority: RCW 43.22.480. 
296-150C-1830 Water supply connection. [Statutory Authority: RCW 43.22.340, [43.22.]355, [43.22.]360, [43.22.]432,[43.22.]440 and [43.22.]480. 96-21-146, § 296-150C-1830, filed 10/23/96, effective 11/25/96.]  Repealed by 00-01-188, filed 12/22/99, effective 2/8/00. Statutory Authority: RCW 43.22.480.