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Chapter 51-11 WAC

Last Update: 2/1/13

WASHINGTON STATE ENERGY CODE 2009 EDITION

WAC Sections

51-11-0100 Chapter 1 -- Administration and enforcement. (Effective Until July 1, 2013.)
51-11-0101 Section 101 -- Scope and general requirements. (Effective Until July 1, 2013.)
51-11-0102 Materials and equipment. (Effective Until July 1, 2013.)
51-11-0103 Alternate materials -- Method of construction, design or insulating systems. (Effective Until July 1, 2013.)
51-11-0104 Plans and specifications. (Effective Until July 1, 2013.)
51-11-0105 Inspections and enforcement. (Effective Until July 1, 2013.)
51-11-0106 Violations. (Effective Until July 1, 2013.)
51-11-0107 Liability. (Effective Until July 1, 2013.)
51-11-0108 Conflicts with other codes. (Effective Until July 1, 2013.)
51-11-0109 Severability. (Effective Until July 1, 2013.)
51-11-0200 Chapter 2 -- Definitions. (Effective Until July 1, 2013.)
51-11-0201 Scope. (Effective Until July 1, 2013.)
51-11-0300 Chapter 3 -- Design conditions. (Effective Until July 1, 2013.)
51-11-0301 Design criteria. (Effective Until July 1, 2013.)
51-11-0302 Thermal design parameters. (Effective Until July 1, 2013.)
51-11-0303 Mechanical ventilation. (Effective Until July 1, 2013.)
51-11-0400 Chapter 4 -- Building design by systems analysis. (Effective Until July 1, 2013.)
51-11-0401 Scope. (Effective Until July 1, 2013.)
51-11-0402 Systems analysis. (Effective Until July 1, 2013.)
51-11-0500 Chapter 5 -- Building design by component performance approach. (Effective Until July 1, 2013.)
51-11-0501 Scope. (Effective Until July 1, 2013.)
51-11-0502 Building envelope requirements. (Effective Until July 1, 2013.)
51-11-0503 Mechanical systems. (Effective Until July 1, 2013.)
51-11-0504 Domestic water systems. (Effective Until July 1, 2013.)
51-11-0505 Lighting. (Effective Until July 1, 2013.)
51-11-0525 Equation 1 -- Single-family residential. (Effective Until July 1, 2013.)
51-11-0526 Equation 2 -- All occupancies. (Effective Until July 1, 2013.)
51-11-0527 Equation 3 -- Single-family residential. (Effective Until July 1, 2013.)
51-11-0528 Equation 4 -- Reserved. (Effective Until July 1, 2013.)
51-11-0529 Equation 5 -- Reserved. (Effective Until July 1, 2013.)
51-11-0530 Table 5-1. (Effective Until July 1, 2013.)
51-11-0531 Table 5-2 -- Reserved. (Effective Until July 1, 2013.)
51-11-0532 Table 5-3 -- Reserved. (Effective Until July 1, 2013.)
51-11-0533 Table 5-4 -- Reserved. (Effective Until July 1, 2013.)
51-11-0534 Table 5-5 -- Reserved. (Effective Until July 1, 2013.)
51-11-0535 Table 5-6 -- Reserved. (Effective Until July 1, 2013.)
51-11-0536 Table 5-7 -- Reserved. (Effective Until July 1, 2013.)
51-11-0537 Table 5-8 -- Reserved. (Effective Until July 1, 2013.)
51-11-0538 Table 5-9 -- Reserved. (Effective Until July 1, 2013.)
51-11-0539 Table 5-10 -- Reserved. (Effective Until July 1, 2013.)
51-11-0540 Table 5-11. (Effective Until July 1, 2013.)
51-11-0541 Table 5-12. (Effective Until July 1, 2013.)
51-11-0542 Table 5-13 -- Reserved. (Effective Until July 1, 2013.)
51-11-0600 Chapter 6 building design by prescriptive requirements approach. (Effective Until July 1, 2013.)
51-11-0601 Scope. (Effective Until July 1, 2013.)
51-11-0602 Building envelope requirements for single-family residential. (Effective Until July 1, 2013.)
51-11-0603 Mechanical systems for single-family residential. (Effective Until July 1, 2013.)
51-11-0604 Domestic water systems. (Effective Until July 1, 2013.)
51-11-0605 Lighting. (Effective Until July 1, 2013.)
51-11-0625 Table 6-1. (Effective Until July 1, 2013.)
51-11-0700 Chapter 7 -- Standards. (Effective Until July 1, 2013.)
51-11-0701 Scope. (Effective Until July 1, 2013.)
51-11-0800 Section 0800 -- Suggested software for chapter 4 systems analysis approach. (Effective Until July 1, 2013.)
51-11-0900 Chapter 0900 -- Additional residential energy efficiency requirements. (Effective Until July 1, 2013.)
51-11-1000 Chapter 10. (Effective Until July 1, 2013.)
51-11-1001 Section 1001 General. (Effective Until July 1, 2013.)
51-11-1002 Section 1002: Below grade walls and slabs. (Effective Until July 1, 2013.)
51-11-1003 Section 1003: On-grade slab floors. (Effective Until July 1, 2013.)
51-11-1004 Section 1004: Floors over unconditioned space. (Effective Until July 1, 2013.)
51-11-1005 Section 1005: Above-grade walls. (Effective Until July 1, 2013.)
51-11-1006 Section 1006 Default U-factors for glazing and doors. (Effective Until July 1, 2013.)
51-11-1007 Section 1007 Ceilings. (Effective Until July 1, 2013.)
51-11-1008 Section 1008 Air infiltration. (Effective Until July 1, 2013.)
51-11-1009 Section 1009 Mass. (Effective Until July 1, 2013.)
CHAPTER 11

ADMINISTRATION AND ENFORCEMENT
51-11-1100 Title. (Effective Until July 1, 2013.)
51-11-1110 Purpose and intent. (Effective Until July 1, 2013.)
51-11-1120 Scope. (Effective Until July 1, 2013.)
51-11-1130 Application to existing buildings. (Effective Until July 1, 2013.)
51-11-1131 Additions to existing buildings. (Effective Until July 1, 2013.)
51-11-1132 Alterations and repairs. (Effective Until July 1, 2013.)
51-11-1133 Change of occupancy or use. (Effective Until July 1, 2013.)
51-11-1134 Historic buildings. (Effective Until July 1, 2013.)
51-11-1135 Commissioning. (Effective Until July 1, 2013.)
51-11-1140 Enforcement. (Effective Until July 1, 2013.)
51-11-1141 Plans and specifications. (Effective Until July 1, 2013.)
51-11-1142 Materials and equipment. (Effective Until July 1, 2013.)
51-11-1143 Inspections. (Effective Until July 1, 2013.)
51-11-1144 Violations. (Effective Until July 1, 2013.)
51-11-1150 Conflicts with other codes. (Effective Until July 1, 2013.)
51-11-1160 Severability and liability. (Effective Until July 1, 2013.)
CHAPTER 12

ENERGY METERING
51-11-1200 Reserved. (Effective Until July 1, 2013.)
CHAPTER 13

BUILDING ENVELOPE
51-11-1301 Scope. (Effective Until July 1, 2013.)
51-11-1302 Space heat type. (Effective Until July 1, 2013.)
51-11-1303 Climate zones. (Effective Until July 1, 2013.)
51-11-1310 General requirements. (Effective Until July 1, 2013.)
51-11-1311 Insulation. (Effective Until July 1, 2013.)
51-11-1312 Glazing and doors. (Effective Until July 1, 2013.)
51-11-1313 Moisture control. (Effective Until July 1, 2013.)
51-11-1314 Air leakage. (Effective Until July 1, 2013.)
51-11-1320 Prescriptive building envelope option. (Effective Until July 1, 2013.)
51-11-1321 General. (Effective Until July 1, 2013.)
51-11-1322 Opaque envelope. (Effective Until July 1, 2013.)
51-11-1323 Glazing. (Effective Until July 1, 2013.)
51-11-1330 Component performance building envelope option. (Effective Until July 1, 2013.)
51-11-1331 General. (Effective Until July 1, 2013.)
51-11-1332 Component U-factors. (Effective Until July 1, 2013.)
51-11-1333 UA calculations. (Effective Until July 1, 2013.)
51-11-1334 Solar heat gain coefficient rate calculations (Effective Until July 1, 2013.)
.
CHAPTER 14

MECHANICAL SYSTEMS
51-11-1401 Scope. (Effective Until July 1, 2013.)
51-11-1402 Mechanical ventilation. (Effective Until July 1, 2013.)
51-11-1410 General requirements. (Effective Until July 1, 2013.)
51-11-1411 HVAC equipment performance requirements. (Effective Until July 1, 2013.)
51-11-1412 Controls. (Effective Until July 1, 2013.)
51-11-1413 Economizers. (Effective Until July 1, 2013.)
51-11-1414 Ducting systems. (Effective Until July 1, 2013.)
51-11-1415 Piping systems. (Effective Until July 1, 2013.)
51-11-1416 Commissioning and completion requirements. (Effective Until July 1, 2013.)
51-11-1420 Simple systems (packaged unitary equipment). (Effective Until July 1, 2013.)
51-11-1421 System type. (Effective Until July 1, 2013.)
51-11-1422 Controls. (Effective Until July 1, 2013.)
51-11-1423 Economizers. (Effective Until July 1, 2013.)
51-11-1424 Separate air distribution systems. (Effective Until July 1, 2013.)
51-11-1430 Complex systems. (Effective Until July 1, 2013.)
51-11-1431 System type. (Effective Until July 1, 2013.)
51-11-1432 Controls. (Effective Until July 1, 2013.)
51-11-1433 Economizers. (Effective Until July 1, 2013.)
51-11-1434 Separate air distribution systems. (Effective Until July 1, 2013.)
51-11-1435 Simultaneous heating and cooling. (Effective Until July 1, 2013.)
51-11-1436 Heat recovery. (Effective Until July 1, 2013.)
51-11-1437 Electric motor efficiency. (Effective Until July 1, 2013.)
51-11-1438 System criteria. (Effective Until July 1, 2013.)
51-11-1439 Exhaust systems. (Effective Until July 1, 2013.)
51-11-1440 Domestic water systems. (Effective Until July 1, 2013.)
51-11-1441 Water heater installation. (Effective Until July 1, 2013.)
51-11-1442 Shut-off controls. (Effective Until July 1, 2013.)
51-11-1443 Pipe insulation. (Effective Until July 1, 2013.)
51-11-1444 Conservation of water and pumping energy. (Effective Until July 1, 2013.)
51-11-1445 Heat recovery for domestic water systems. (Effective Until July 1, 2013.)
51-11-1446 Domestic hot water meters. (Effective Until July 1, 2013.)
51-11-1450 Heated pools. (Effective Until July 1, 2013.)
51-11-1451 General. (Effective Until July 1, 2013.)
51-11-1452 Pool water heaters. (Effective Until July 1, 2013.)
51-11-1453 Controls. (Effective Until July 1, 2013.)
51-11-1454 Pool covers and insulation. (Effective Until July 1, 2013.)
51-11-1460 Cold storage. (Effective Until July 1, 2013.)
CHAPTER 15

LIGHTING, MOTORS AND TRANSFORMERS
51-11-1501 Scope. (Effective Until July 1, 2013.)
51-11-1510 General requirements. (Effective Until July 1, 2013.)
51-11-1511 Electric motors. (Effective Until July 1, 2013.)
51-11-1512 Exempt lighting. (Effective Until July 1, 2013.)
51-11-1513 Lighting controls. (Effective Until July 1, 2013.)
51-11-1514 Exit signs. (Effective Until July 1, 2013.)
51-11-1520 Prescriptive lighting option. (Effective Until July 1, 2013.)
51-11-1521 Prescriptive interior lighting requirements. (Effective Until July 1, 2013.)
51-11-1522 Prescriptive exterior lighting requirements. (Effective Until July 1, 2013.)
51-11-1530 Lighting power allowance option. (Effective Until July 1, 2013.)
51-11-1531 Interior lighting power allowance. (Effective Until July 1, 2013.)
51-11-1532 Exterior lighting power allowance. (Effective Until July 1, 2013.)
CHAPTER 16

(RESERVED)
CHAPTER 17

STANDARDS

Note: For nonresidential standards, see chapter 7.
CHAPTER 18

(RESERVED)
CHAPTER 19

(RESERVED)
CHAPTER 20

DEFAULT HEAT-LOSS COEFFICIENTS

Note: For nonresidential defaults, see chapter 10.
REFERENCE STANDARD 29: NONRESIDENTIAL

BUILDING DESIGN BY SYSTEMS ANALYSIS
51-11-99901 Section 1 -- General. (Effective Until July 1, 2013.)
51-11-99902 Section 2 -- Simulation general requirements. (Effective Until July 1, 2013.)
51-11-99903 Section 3--Calculation of the proposed and baseline building performance. (Effective Until July 1, 2013.)
51-11-99904 Section 4 -- Suggested software for systems analysis approach. (Effective Until July 1, 2013.)