ANSI/ASHRAE/IES Standard 90.1
Contents
1. Provisions Trade Off _ required for most Option Compliance compliance options oit Budget Simplified 24 CH 0 I why E fon 4 haal N wy mA Ep A I po C S yen WD N PV Y y um uw zm m z b S wp Ww Bus m o EN y Y 4 Building System Envelope HVAC SWH Lighting Mandatory Provisions required for most compliance options Compliance Options 22529010145 Option Energy Cost Budget Simplified Energy Code Compliance v Low Voltage Dry Type Distribution Transformers v New Buildings v Additions v Alterations Y Mandatory Provisions v Voltage drop v Automatic receptacle control Y Submittals Drawings amp Manuals Two types of conductors v Feeder conductors Connect service equipment to the branch circuit breaker panels 296 maximum voltage drop allowed at design load v Branch circuit conductors Run from the final circuit breaker to the outlet or load 3 maximum voltage drop allowed at design load v These are more stringent than non enforceable requirements the National Electric Code NEC Exception Feeder conductors and branch circuits dedicate2. TW fU S M FE ul Band joist PS Exception Metal buildings e if roof and wall insulation is compressed between roof or wall skin and the structure 3 U S DEPARTMENT OF Energy Efficiency amp ENERGY Renewable Energy BUILDING ENERGY CODES www energycodes gov BECU Section 9 US DEPARTMENT OF Energy Efficiency amp ENERGY Renewable Energy Above Grade Wall Insulation Four types of walls are defined v Mass walls heat capacity Table A3 1B or A3 1C R value is for continuous insulation v Metal building wall R value insulation compressed between metal wall panels and the steel structure v Steel framed wall R value uncompressed insulation installed in the cavity between steel studs v Wood framed and other R value uncompressed insulation installed in the wood stud cavities also continuous insulation uninterrupted by studs 25 BUILDING ENERGY CODES www energycodes gov BECU Section 9 5 5 3 3 ER Energy Efficiency amp Below Grade Wall Insulation ENERGY Renewable Energy Meet or exceed values in appropriate table for climate zone R value is for continuous Insulation Exception v lf framing is used compliance is based on maximum assembly C factor Photo courtesy of Dow Building Solutions 26 BUILDING ENERGY CODES www energycodes gov
3. U S DEPARTMENT OF Energy Efficiency amp Basic Lighting Requirements ENERGY Renewable Energy Mandatory Interior Exterior Requirements Lighting Power Lighting Power Interior and Limits Limits Exterior Tradable 1 Connected lt power a lt p C Non Tradable Exemptions m RENE Connected Lighting lt w Building Area Space by Space idi Es Additional Allowances BUILDING ENERGY CODES www energycodes gov BECU Switching Efficiency 9 Section9 Lighting ENERGY Effciency Renewable Energy Y General Application Section 9 1 Scope Lighting Alterations Installed Interior Lighting Power Luminaire Wattage Y Compliance Path s Section 9 2 v Mandatory Provisions Section 9 4 Lighting control Exit signs Exterior building lighting power Functional testing Y Building Area Method Compliance Path Section 9 5 v Space by Space Method Alternative Compliance Path Section 9 6 v Submittals Section 9 7 10 BUILDING ENERGY CODES www energycodes gov BECU Section 9 U S DEPARTMENT OF X Energy Efficiency amp Lighting General Scope ENERGY renewable Energy Y Interior spaces of buildings v Exterior building features v Exterior grounds lighting powered through building Exceptions Emergency lighting Lighting required by life safety statute Lighting within dwelling units of buildings Decorative gas lighting
4. Alterations to existing building HVAC systems v Exceptions allowed Equipment being modified or repaired not replaced provided such modifications will not result in an increase in the annual energy consumption Equipment being replaced or altered which requires extensive revisions to other systems equipment or building elements and such replaced or altered equipment Is a like for like replacement Refrigerant change for existing equipment Relocation of existing equipment Ducts and pipes where insufficient space or access exists to meet these requirements Y Must follow Sections 6 1 General 6 7 Submittals 6 8 Minimum Equipment Efficiency v Then choose either 6 3 Simplified Approach must meet limitations OR 6 4 Mandatory Provisions and either 6 5 Prescriptive Path OR Ch 11 Energy Cost Budget ECB Method Section 6 6 3 alg La Energy Efficiency amp Simplified Approach Option ENERGY Renewable Energy The simplified approach is an optional path for compliance when the following are met Y Buildings lt 3 stories v Gross floor area lt 25 000 ft Y Single zone HVAC system Y Unitary packaged or split 85 of all air conditioners air cooled or evaporatively cooled Y 17 Criteria 2 new v provisions buildings BUILDING ENERGY CODES www energycodes gov BECU Y Balancing of ducted systems Y Outdoor air intake and
5. L8 _ W EN uS imm WP bh d EN y 2 lt Y LUVES UNIVER oll EMED q E og WT esf Y L ENZ I 9 y S 8 B L Building System Envelope HVAC SWH Lighting Mandatory Provisions required for most compliance options Compliance Options Prescriptive Trade Option Energy Cost Budget Compliance U S DEPARTMENT OF Energy Efficiency amp Buildings Today ENERGY Renewable Energy 5 590 Responsible for roughly 48 of our energy use and 70 of 2 electricity consumption 3 2 Computers The scope of energy codes cover 4 1 ion about 67 of a building s energy use The average consumer spends 2 175 on energy bills every year Water Heating 6 Ventilation 6 3 Electronics 3 BUILDING ENERGY CODES www energycodes gov BECU U S DEPARTMENT OF Energy Efficiency amp EN ERGY Renewable Energy e 00 1 2010 savings vs 90 1 2004 25 with plug loads 31 without plug loads Life Cycle Cost LCC Optimization L XT DIL E pes E Energy Conservation Measure 4 BUILDING ENERGY CODES www energycodes gov BECU General Section 5 1 v Scope v Space Conditioning Categories v Envelope Alterations v Climate Compliance Pat
6. Y 2 m eas N y v Ll NG EF ERGY CODES 1 lt compliance options Energy Cost Building System Compliance Options provision required for most Compliance Lighting 2 1 2 and DEFINITIONS Each space to be categorized as gt Nonresidential conditioned space or gt Residential conditioned space e gt gt space Spaces are assumed to be conditioned spaces time of construction regardless of presence of HVAC in the building permit application or not installed e Spaces in climate zone 4 may be designated as semi heated or unconditioned only when approved as such by the building official e gt Semi heated space gt 3 4 and lt 15 Btu h New Buildings and Additions v All HVAC requirements apply to new equipment amp systems v Existing equipment may remain in use with some modifications Alterations Compliance in Existing Buildings v Equipment Replacement equipment meet new minimum efficiencies Y Cooling systems New systems serving previously uncooled spaces Alterations to existin shall not decrease economizer capacity unless exception can be used v Ductwork New and replacement ductwork
7. meet requirements for new v Piping New and replacement piping meet requirements for new HVAC Equipment Efficiencies ENERGY HG Renewable Energy oignificant Efficiency Rating Increases e Packaged Heat Pumps Air Conditioners Air cooled and water cooled chillers Changes for part load chillers Air cooled Air Conditioners and Heat Pumps e Water cooled Air Conditioners and Heat Pumps E B a 255 4 EN p p mm A pm mss a B _ 4m m i m Fy ee y ig 4 N BE q fw fr a u ao 1 1 4 BY g 1 un n n aut ZU WE I md e a B o B WE P m A g B B 7 1 B De b 9 4 4 4 27 Ww _ 59 E P J wj wi A F St tuas i J E E 7 N rar d E EN f n g ifs om E lt J ug yf i s San e t 9 47 8 am gt 7 gt EN E k 27 p 1 3 9 n E S an N 3 P E d g 1 gt mud n f D ag 7 a p Sume a F S A a J 1 E 4 Y y a B tb Ius 1 we E I wt GW E Wv w Wu 4 New 450 Ton Step 7 Turbomodulator 5 BUILDING ENERGY CODES www energycodes gov BECU
8. BUILDING ENERGY CODES www energycodes gov BECU Any project retrofit which alters 1096 of the connected lighting load must comply with 90 1 2010 All lighting controls must be tested and documented by 39 party that the equipment has been installed to manufacturer s specifications and meet performance criteria Applies to these retrofits Where luminaires are added replaced or removed Includes lamp plus ballast 12 Lots of exemptions 2 new categories Calculation methods Y Building area v Space by space Trade offs of interior lighting power allowance aren t allowed when both allowed methods are used in different portions of the building of Table 9 5 1 Lighting Power Density W ft2 Automotive Facility 0 90 0 82 Convention Center 1 20 1 08 120 1 05 Dining Bar Lounge Leisure 1 30 0 99 Dining Cafeteria Fast Food 140 0 90 Building Dining Family 1 60 0 89 100 0 61 on U S DEPARTMENT OF Energy Efficiency amp EN ERGY Renewable Energy Lighting Light Power Density Across the board reductions in Light Power Density LPD in watts sf f f E om Taw yn 21 VI g y 8 Was 2 E E US J y stn mel allows 20 mm 28524 ust al U increase in LPD for unusually tall or wide spaces BUILDING ENER
9. E Y mE P b Y V 4 27 az HVAC Cnamnlianca Dracerintiva ENERGY Building System Compliance Options Envelope Mandatory Provisions Trade Off Energy Code required for most Option Compliance compliance options HVAC Ausg Gost Bugger Shin vite Lighting 0 E Y Economizers 6 5 1Two new exceptions Y Simultaneous Heating and Cooling Limitation 6 5 2 several exception additions clarifications v Air System Design and Control 6 5 3 New Ventilation Optimization and supply air controls v Hydronic System Design and Control 6 5 4 DDC controls Y Heat Rejection Equipment 6 5 5 3 Cooling tower limits v Energy Recovery 6 5 6 New Exception j v Exhaust Systems 6 5 7 New kitchen amp lab requirements Y Radiant Heating Systems Section 6 5 8 v Hot Gas Bypass Limitation Section 6 5 9 Section 6 6 5 1 3 Economizers Cy ENERGY Renewable Energy e 2007 None required Zone 4A 65 000Btu h IECC 2010 540 Requires water economizer for some zones to be humidified e Run cooling towers in the winter Hospitals amp some labs Economizers must be integrated with mechanical cooling systems and be capable of providing partial cooling even when additional mechanical cooling is required 34 BUILDING ENERGY CODES sits www energycodes gov BECU Section 6 6 5 2 2 ORDER Energy Efficiency amp Hydronic System Contro
10. DEPARTMENT OF Energy Efficiency amp Moisture Diffusion In Materials ENERGY Renewable Energy 1 GWB 38 42 EPS FIBERGLASS 22 2 NO INSULATION TYVEK 52 NO Latex Primer 7 0 10 0 NO 7 16 OSB w exterior glue 0 77 3 48 SOMETIMES 1 XPS 0 40 1 60 SOMETIMES 7 16 Plywood exterior glue 0 70 YES Kraft Paper Facing 1 0 YES 2 mil polyethylene 0 06 0 22 YES Alkyd base or V R paint 0 05 YES 1 mil aluminum foil laminate 0 05 YES 12 GWB VWC 0 05 0 80 YES 15 BUILDING ENERGY CODES www energycodes gov BECU Glazed swinging entrance doors and 1 0 revolving doors Curtainwall and storefront glazing 0 06 Unit skylights with condensation 0 3 weepage openings Unit skylights with condensation 0 5 weepage openings Non swinging opaque doors 0 4 All other products 0 2 All other products 0 3 v Exceptions HENRI 2E NN AAMA WDMA CSA 101 5 2 440 NFRC 400 or ASTM E283 NFRC 400 or ASTM E283 AAMA WDMA CSA 101 5 2 440 NFRC 400 AAMA WDMA CSA 101 5 2 440 ANSI DASMA 105 NFRC 400 or ASTM E283 AAMA WDMA CSA 101 5 2 440 NFRC 400 AAMA WDMA CSA 101 1 5 A440 Field fabricated fenestration and doors Metal coiling doors in semi heated spaces in Climate Zones 1 6 ok 6 24 Tor 129 6 24 section 5 5 4 3 3 Air Leakage u s DEPARTMENTOF Energy Efficiency amp Loading Dock Weatherseals ENERGY Renewable Energy Carg
11. Example Opening 5 Opening 4 Opening 5 Opening 6 HxL Hx L Lighting Controls daylighting Rules first added 2010 e Addenda d ab al ct Opaque obstacles 5 tall cut off areas Controls required for daylighted spaces Primary sidelighted area Secondary sidelighted area Toplighting Daylighted area under skylights Area extends to front of obstruction where obstruction i Tarther away than 0T iCH OH but closer than 0 7 CH Area extends to full since all of obstruction is than O P CH OH Daylight Areas T Skylight Plan View 2010 ASHRAE ANSI ASHRAE IES Standard 90 1 2010 Figure 3 1 32 J MSH OH Monitor Obetructon MSH Hesght i t X MSM ow Pan of daytght area extends ondy out 10 the front of obstruction 2010 ASHRAE ANSI ASHRAE IES Standard 90 1 2010 Figure 3 2 33 Section View j Obstructions i 5 or higher Primary Sidelighted Area 1 HH Pian View Opaque break in window of less than 4 O wide Primary Sidelighted Area 2010 ASHRAE ANSI ASHRAE IES Standard 90 1 2010 Figure 3 3 34 Section 9 4 5 alg La Energy Efficiency amp Exterior Lighting Power ENER Y Renewable Energy Exterior Building Lighting Power ELP must meet prescribed wattage limits v Exterior applica
12. exhaust systems Y Interlocked thermostats for separate heating and cooling Y System gt 10 000 cfm optimum start controls v Demand control ventilation HVAC Economizers and ERVs ENERGY 2797019 Economizers now required for all systems with cooling capacities over 33 000 Btu h 6 3 2 6 5 1 e Economizer exception tradeoffs increase from 9 to 11 6 5 1 Energy Recovery ERV systems 6 5 6 now required for all systems with greater than 30 outside air Sizing based on new Table 6 5 6 1 6 3 2 One new Exception j 10 BUILDING ENERGY CODES www energycodes gov BECU Addendum introduces updated Table 6 3 2 The Table exempts the requirement for economizers through the use of higher efficiency HVAC equipment Table 6 3 2 is based on the new benchmark building models and was expanded to allow use for any type of HVAC system not just for unitary air cooled equipment in the current table Climate Zone Efficiency 2 pe cS 5 IO sim l d Pon ita fro fe x ere rs 2 a r2 3 Iz Siete ts leles ieks he i lhe l e Pe fo fo fa efe iS Y Manual changeover or dual set point thermostat v Heat pump supplementary control Y No reheat or simultaneous heating and cooling for humidity control v Time clocks except hote
13. of shutting off fans when not required Exception v HVAC systems intended to operate continuously Ventilation systems in enclosed parking garages Y automatically detect contaminant levels and stage fans or v modulate fan airflow rates to lt 50 provided acceptable contaminant levels are maintained Exception Y Garages 30 000 ft with ventilation systems that use mechanical cooling or heating Y Garages with a garage area to ventilation system motor nameplate hp ratio gt 1500 2 and don t use mechanical cooling or heating Y Where permitted by AHJ 28 Section 6 6 4 4 1 2 ig Energy Efficiency amp Duct and Plenum Insulation ENERGY Renewable Energy Insulate all supply amp return ducts amp plenums per Tables 6 8 2A and 6 8 2B Exceptions v HVAC factory installed plenums casings or ductwork in equipment v Ducts located in heated semi heated or cooled spaces v R value x 3 5 for runouts lt 10 ft long to air terminals or air outlets v Insulation for backs of air outlets and outlet plenums exposed to unconditioned or indirectly conditioned spaces v R 2 with face areas gt 5 ft v No insulation with face areas lt 5 ft R 3 5 5ft R 2 LL 10ft 5ft R O AM BUILDING ENERGY CODES www energycodes gov BECU 29 Duct Sealing cq e Ductwork and plenums with pressure ratings shall be seal class A e Shaft openings require bushings 25
14. of duct systems over 3 w c and ALL outdoor ducts Shall be leak tested e Tested sections chosen by owner Leakage class 4 for all ducts Section 6 6 4 4 2 2 Duct Leakage Tests Designed gt 3 In W C Y Leak tested a V Lc 1 2 1 T Wu EH Sm S m a dm A V AM wu FS 720 S7 WN M NEL NN L Un ALI SF 3 ee n a gE Bg gt gens a qum E m N Wo i a W Ly ue Wu Wo ass Y g we ww Ow ew uu uw WwW Ww VU 5 am te JL a JL o pm Dx Ec nS Em ga gi EE sb i 4 A y Jn _ Af a 5 p ra M PS PE S WI mB p gt I d SB A a ee ON EE g B WW NM 4 L Wd ee amp OL Weed E T uu B um us uu A la 29 dE 1 v Ratings gt 3 in w c to be identifled on drawings Y Maximum permitted duct leakage U S DEPARTMENT OF Energy Efficiency amp EN ERGY Renewable Energy 31 BUILDING ENERGY CODES ts www energycodes gov BECU m b A pe f ges b 4 pem MER E
15. to ASTM D1003 e Have a skylight VT gt 0 40 and Have all general lighting in daylight area under skylights controlled by multilevel photo controls per Section 9 4 1 5 Dynamic Glazing Minimum SHGC is used to demonstrate compliance Considered separately from other vertical fenestration Area weighted averaging with other vertical fenestration that isn t dynamic glazing isn t allowed 33 section 5 5 5 4 5 DERARTMENTOF Energy Efficiency amp Fenestration Orientation ENERGY Renewable Energy Vertical fenestration area to meet this requirement Area South 2 Area West and Area South 2 Area East 7 North Nope Yup Exceptions e Buildings shaded by other buildings within 20 ft to the south which is at least 12 as tall as the proposed building Buildings with shade on 75 of the west and east Alterations and additions that don t increase vertical fenestration area 34 BUILDING ENERGY CODES 7 www energycodes gov BECU Section 5 Visible Transmittance ENERGY Ron able Ene Determined in accordance with ASTM E972 A measure of the amount of visible light that passes through fenestration Affected by v composition of the glass v coatings v internal shading devices Relationship between VT and SHGC Daylighting without excessive solar gain VT at least 1 2 x SHGC Exception v For skylights not within scope of NFRC 200 VT to be the solar photometric transmittance of the skylight g
16. Automotive Service Workshop Atrium Manufacturing Concourse Non refrigerated Warehouse Corridor Retail Storage Distribution Sorting Area Gymnasium Exercise Center Section 5 Solar Heat Gain Coefficient ENERGY Energy Efficiency amp Henewable Energy The glazing s effectiveness in rejecting solar heat gain e NFRC 200 Standard e Replaces shading coefficient SC in product literature and design standards Exceptions v SC x 0 86 is acceptable for overall fenestration area NFRC 300 SHGC of center of glass is acceptable NFRC 300 for overall fenestration area v SHGC from A8 1 for glazed wall systems vertical fenestration and skylights v SHGC from A8 2 for other Oi vertical fenestration Short wave visible light sightly reduced BUILDING ENERGY CODES www energycodes gov BECU U S DEPARTMENT OF Energy Efficiency amp Information 5 5 4 4 1 Overhangs NERGY Renewable Energy 90 1 credits permanent overhangs by adjustment to SHGC Size of overhang is determined by projection factor A 12 Sloped 12 Storefront window 10 1 5 Sidewalk 2 32 BUILDING ENERGY CODES www energycodes gov BECU Skylights v SHGC values lt Table value for appropriate total skylight area Exceptions if skylights e Have a glazing material or diffuser with measured haze value gt 90 when tested according
17. BECU Section 9 5 5 3 5 Energy Efficiency amp Slab on Grade Floor Insulation ENERGY Renewable Energy Meet or exceed values in appropriate table for climate zone includes R value and depth or width of insulation Be installed around the perimeter to the distance specified v Inside foundation wall extend downward from top of slab a minimum distance specified or to the top of the rooting whichever is less Y Outside foundation wall extend from top of the slab or downward to at least the bottom of the slab and then horizontally to a minimum distance specified BUILDING ENERGY CODES www energycodes gov BECU section 5 5 5 4 us DEPARTMENTOF Energy Efficiency amp Fenestration ENERGY Renewable Energy Criteria apply to fenestration including windows glass doors glass block plastic panels skylights 4 4 iA y 1 AD A y M EH D M T EM i uu JE NH NM Compliance v lt maximum U factors in table v gt minimum SHGC in table Y Use NFRC ratings or default values in Appendix A 28 BUILDING ENERGY CODES www energycodes gov BECU Vertical Glazing 0955 4090 of Wall Nonm etal Metal framing curtainwall starefrant a Metal framing entrance d oor Metal framing all ather a skylight with Curb Glass of Roof 092 2 2 1 0 Skylight with Curb Plastic of Roof m 0 Sk
18. GY CODES www energycodes gov BECU conga HC Addendum by changes For most building types the LPDs are reduced Table shows samples Average LPDs 90 1 2007 90 1 2010 e Difference ew ce 1 2 avg 1 09 Avg 0 906 16 9 TABLE 9 5 1 Lighting Power Densities Using the Building Area Method Parking garage LPD Building Area te Convention center I 1 08 Courthouse 1 05 Dining bar lounge leisure 443 0 99 Dining cafeteria fast food 0 90 Dining family 6 0 89 Dormitory is 0 61 Exercise center de 0 88 Gymnasium d 1 00 Health care clinic 19 0 87 Hospital E 124 Hotel de 1 00 Library Manufacturing facility 3 Motel Motion picture theater 43 Multifamily 93 Museum 4 Office 9 Section 9 Energy Efficiency amp Gross Lig hted Area ENERGY Renewable Energy oum of total lighted area of a building wv we Y Measured from the exterior faces of the exterior walls or from the centerline of walls separating buildings but excluding a long list of uses See Standard Used in the building area method of determining interior lighting power allowance 17 BUILDING ENERGY CODES www energycodes gov BECU Cavity Adjustment for relief in unusual spaces Use only when applying the space by space method Calculate the Room Cavity Ratio RCR for the
19. UILDING ENERGY CODES www energycodes gov BECU Section 9 9 4 1 2 ss DEPARTWENTOF Energy Efficiency amp Mandatory Additional Space Controls ENERGY Renewable Energy Guestroom lighting must be controlled at room entry Suites must be controlled at entry to each room or primary entry e Bathrooms controlled to automatically turn off lighting within 60 minutes of occupant leaving Space Exception night lighting not 5W 26 BUILDING ENERGY CODES www energycodes gov BECU Stairwells e Automatic reduction control for lighting in enclosed stairwells to Automatically reduce lighting power in any control zone by at least 5096 within 30 minutes of all occupants leaving the zone ENTRY SOLID MAX WALL gt m ENS m PW DAYLIGHT ADJACENT 3 600 SQ FT TRANSITION i BUILDING OR MAX CONTROL ZONE OTHER ossrRucrioN WALL MAX m mM MEM dq MEM mM lt gt MAX E mir a Q GARAGE E DAYLIGHT EXIT OPEN 20 DAYLIGHT TRANSITION WALL CONTROL ZONE ZONE lt 20 THERE ARE CONTROL EXCEPTIONS 28 PARKING GARAGE SIDE VIEW ELEVATION OPENING 3 OPENING 4 OPENING 5 OPENING 6 LL e i n Daylighting control required if the total area of all openings in a wall section i e openings 1 2 are greater than or equal to 40 of the total wall area HxL Example Opening 1 Opening 2
20. d to emergency services gt 50 of all 125 volt 15 and 20 amp receptacles including those in modular partitions must be controlled by an automatic control device in these space types Y Private offices Y Open offices Y Computer classrooms Exceptions Y Receptacles designated for equipment requiring 24 hr operation v Spaces with security or safety concerns Exceptions Receptacles specifically designated for equipment requiring 24 hour operation Spaces where patient care is rendered Spaces where an automatic shutoff would endanger the safety or security of the room or building occupant s Section 8 8 7 Energy Efficiency amp Power Submittals ENERGY Renewable Energy Owner gets information about the buildings electrical system v Record drawings of actual installation within 30 days Single line diagram of electrical distribution system Floor plans showing location and areas served for all distribution v Manuals Submittal data stating equipment rating O amp M manuals for equipment Qualified service agency Complete narrative of system as it s normally intended to operate 7 BUILDING ENERGY CODES www energycodes gov BECU uliding system compliance Options Mandatory HVA Provisions Trade Energy required for most Option LO m pliar ance SWH compliance options Lighting Simplified UNIVERSITY
21. e e When used report shall be submitted with construction documents New changes will use checklists from SCORE S TORE Exterior Envelope Semi Exterior Envelope Ventilated Attic Semiheated Storage Conditioned Space Unconditioned Ventilated Space Crawlspace Hance A roach U S DEPARTMENT OF E Efficiencv amp Building Envelope ENERGY ooo cro Building System Compliance Options Envelope HVAC Energy Code ISI required for most Compliance SWH compliance options Lighting BUILDING ENERGY CODES www energycodes gov BECU Section 9 5 4 Energy Efficiency amp Mandatory Provisions ENERGY Renewable Energy v Fenestration and Doors Section 5 8 2 v Air Leakage Section 5 4 3 Photo courtesy of Ken Baker K energy 11 BUILDING ENERGY CODES www energycodes gov BECU Section 5 5 4 3 1 Air Leakage us DEPARTMENTOF Energy Efficiency 8 Continuous Air Barrier ENERGY Renewable Energy Continuous air barrier required except in semi heated spaces e Plans Air barrier components identified or noted in construction documents Joints intersections and penetrations of air barrier components incl lighting fixtures detailed Extends over all surfaces of thermal envelope From lowest floor exterior walls to ceiling or roof Resists positive and negative pressures Wind s
22. ecovery system effectiveness 2 5096 Ten Exceptions one new Performance testing new requirement Climate Zone 4 Exterior Vented Attic Unvented Attic Conditioned Attic Unconditioned Space Indirect conditioned Space R 6 R 6 R 6 R 3 5 R 3 5 N R Reference Table 6 8 2B on page 68 in 90 1 2010 Section 6 6 4 3 9 6 3 2 os DEFARTMENTOF_ Energy Efficiency amp Demand Control Ventilation DC V ENERGY Renewable Energy DCV must be provided for each zone with a area gt 500 ft and the design occupancy gt 40 people 1000 ft where the HVAC system has v An air side economizer v Automatic modulating control of the OSA dampers or v design outdoor airflow gt 3 000 cfm Demand control ventilation DC V a ventilation system capability that provides for the automatic reduction of outdoor air intake below design rates when the actual occupancy of spaces served by the system is less than design occupancy 18 BUILDING ENERGY CODES www energycodes gov BECU compliance options Energy Cost Budget Building System Compliance Options P ape Mandatory A puso erm _ Energy Code required for most Option Compliance Lighting Simplified Y Minimum Equipment Efficiency Section 6 4 1 Y Calculations Section 6 4 2 v Controls Section 6 4 3 v HVAC System Construction and Insulation Section 6 4 4 Section 6 6 4 1 1 Energy Efficiency a
23. empty room RCR 2 5 x Room Cavity Height x room perimeter length room area Room Cavity Height Luminaire mounting height Workplane o f RCR is greater than the RCR threshold for that space 20 increase is allowed e For corridor transition spaces this adjustment is allowed when less than 8 feet wide regardless of the RCR LUMINAIRE MOUNTING HEIGHT ROOM CAVITY ROOM CAVITY HEIGHT 1 WORKPLANE _ TYPICALLY DESK T ROOM PERIMETER LENGTH ROOM AREA e Addendum reduces allowance for specific lighting to highlight merchandise This shows proposed reductions for the additional interior Lighting Power Allowance Example LPA 1000 watts general space lighting Retail area 1 x 1 0 0 6 W ft2 all other except 2 3 4 below Retail area 2 x Z 0 6 W ft2 vehicles sporting goods Retail area 3 x 2 6 1 4 W ft2 furniture clothing artwork Retail area 4 x 4 2 2 5 W ft2 jewelry crystal china 21 If all mandatory control requirements are met for a space AND advanced controls are installed in that space THEN additional limited lighting power is allowed v Additional power be used anywhere in the building v Additional Interior Lighting Power Allowance is calculated as Lighting Power Under Control x Control Factor Partial Table 9 6 2 Control Factors Used in Calculating Additional Interior Li
24. f required for most SWH compliance options Energy Gost Budget Lighting Simplified BUILDING ENERGY CODES U S DEPARTMENT OF Energy Efficiency amp GY Renewable Energy Energy Code Compliance www energycodes gov BECU v Window Wall Ratio lt 40 of gross wall area IECC 30 Y Skylight roof Ratio lt 5 of roof area v Each envelope component must separately meet requirements Criteria sets for 8 different climate types v 24 single page that summarizes all prescriptive requirements Insulation levels for roofs walls floors Fenestration criteria Envelope Zone 4 Insulation New requirements ASHRAE Standard Metal Roof U S DEPARTMENT OF Energy Efficiency amp EN ERGY Renewable Energy 4 retarder overlap Cross band c and thermal block TMAIMA 202 insulation Metal Above Grade Above Grade Wood 90 1 Version R Value 90 1 2007 19 90 1 2010 13 13 Wall R Value Frame Wall R Value 13 13 19 13 22 BUILDING ENERGY CODES www energycodes gov BECU v Per manufacturer s instructions v Achieve rated R value v No open blown or poured loose fill insulation when ceiling slope Is gt 3 12 v If eave vents installed eat FSR ital or raised top pate Provide baffling of air vents to EN Rafter baffle deflect incoming air above the I 90 surface of the insulation if SA y
25. ghting Power Allowance Space Lobby Atrium Dining Area T Retail Corridors Private S CE Stairways Gym Office Fb Pool Mall Conference Additional Control Method in Addition ta Mandatory Require ments Concourse Training Parking Garage Manual continuous dimming control or 0 101 010 Programmable mult evel dimming control i Programmable multilevel dimming control using programmable 010 m time scheduling Multi level occupancy sensors IDE 0 05 D e Automatic shutoff controls required in nearly all spaces e All lighting controls must be manual on or to only 50 power Multi level automatic daylighting controls required when primary sidelighted area exceeds 250sf primary toplighted area exceeds 900sf o Requirements for plug load receptacles Occupancy Sensors Added training rooms lecture halls storage 50 1000sf Manual on Exceptions restrooms public corridors and Stairs Bi level control for most spaces Not corridors Parking Garage Reduce power 30 if no activity in gt 3 600sf area Section 9 9 4 1 2 U S DEPARTMENT OF Energy Efficiency amp Mandatory Individual Space Control ENERGY Renewable Energy Additional space control required for v Display accent lighting v Case lighting v Task lighting lighting v Demonstration lighting v Stairwell lighting B
26. hs Section 5 2 oimplified Building Section 5 3 Not Used Mandatory Provisions Section 5 4 Y Insulation v Fenestration and Doors v Air Leakage 4 90 1 2010 1 2 4 Scope and Application use 3 4 5 11 12 CE C 103 for CDs Definitions Acronyms Building Envelope Commercial Energy Efficiency Referenced Standards Ch 1 Ch 2 Ch 3 Ch 4 Ch 5 Residential d section RED Scope and Application Administrative and Enforcement Definitions General Requirements Residential Energy Efficiency Referenced Standards Envelope components that enclose v Conditioned space v Semi heated space Hasa heating system with a capacity gt 3 4 Btu h ft of floor area but is not conditioned space Approved by local official Hequirements apply to three space conditioning categories Y Nonresidential Y Residential v Semi heated no Indirectly conditioned Space E Eam e x ant 1 m gr M 3 Insulated exterior wall 4 Rate of heat transfer _ a Indirectly conditioned space Figure 5 Examples of Indirectly Conditioned Spaces User s Manual 90 1 2010 his Option can be used to demonstrate compliance with 2012 IECC or ASHRAE Standard 90 1 2010 User inputs all the building data Will show if building can meet performance or tradeoff based complianc
27. hting fixtures v HVAC equipment wall heaters ducts plenums v Other Except when v Total combined area affected include necessary clearances Is 1 of opaque area of the assembly OR Y Entire roof wall or floor is covered with insulation to the full depth required OR v Effects of reduced insulation are included in area weighted calculations Insulation Protection Y Cover exterior insulation with protective material Sunlight Metal Flashing O Moisture Sill Gasket Landscaping operations Equipment maintenance Wind Rigid insulation ncapsulated or v Access to attics and hl mechanical rooms without damaging compressing insulation Y Insulation materials in ground contact to have a water absorption rate lt 0 3 ASTM C272 Section 5 5 8 1 8 U S DEPARTMENT OF E Efficiencv amp Suspended Ceilings ENERGY Renewable Energy Hoof Insulation v Not installed on a suspended ceiling with removable ceiling panels v Non compliant 41 BUILDING ENERGY CODES www energycodes gov BECU C W G Rated R Value of Insulation and Assembly U Factor C Factor and F Factor Determinations Building Envelope Climate Criteria Methodology for Building Envelope Trade Off Option in Subsection 5 6 Climatic Data Informative References Addenda Description Information Informative Performance Rating Method Informative E W x
28. ign exhaust airflow is gt 70 of total outdoor air intake flow requirements 38 NEW Multiple zone HVAC systems to have controls to automatically reset supply air temperature in response to building loads or outdoor air temperature Controls to be capable of resetting supply air temperature at least 25 of difference between design supply air temperature and design room air temperature Controls that adjust the reset based on zone humidity are okay Zones expected to experience relatively constant loads to be designed for fully reset supply temperature Exceptions v Systems that prevent reheating recooling or mixing of heated and cooled supply air v 75 of energy for reheating is from site recovered or site solar energy sources 39 HVAC hydronic systems with total pump system power gt 10 hp to meet 6 5 4 1 6 5 4 4 v Hydronic Variable Flow Systems pumps gt 5hp 50hp 2007 v Pump Isolation v Chilled and Hot Water Temperature Reset Y Hydronic water loop Heat Pumps and Water Cooled Unitary Air Conditioners Exception for water economizers v Pipe Sizing added v Kitchen exhaust expanded requirements Field testing requirement new v Laboratory exhausts Reduced airflow limit to 5 000 cfm from 15 000 air volume reduction options M ENEDeM gt 2 Building System Compliance Options
29. l motel guest rooms and systems requiring continuous operation Section 6 _ 6 3 RE er Energy Efficiency amp Simplified Approach Option conto ENERGY Renewable Energy Piping and ductwork plenum insulated q 13 BUILDING ENERGY CODES www energycodes gov BECU Pipe sizing and Insulation ENERGY Renewable Energy VES Seeders 1910890 ANWAR UALILSNA Standard 9 12997 n hates AMIE RAMS Aries Ped o Appia d ASHRAE STANDARD Energy Standard for Buildings Except Low Rise Residential Buildings Maximum allowable flow rates for chilled and condensed water Based on nominal pipe size V 14 BUILDING ENERGY CODES www energycodes gov BECU Tables 6 8 and 6 8 3B Exceptions v Factory installed v Piping conveying fluids design operating temperature range between 60 F 105 F inclusive that haven t been heated or cooled through the use of fossil fuels or electricity or where heat gain or heat loss will not increase energy usage v Hot water piping between shut off valve and coil not gt ft in length when located in conditioned spaces v Piping lt 1 in insulation required for strainers control values and balancing values Required if v Supply air capacity gt value listed in Table 6 5 6 1 Values are based on climate zone and 70 of outdoor air flow rate at design conditions R
30. lazing material in accordance with ASTM E972 35 BUILDING ENERGY CODES www energycodes gov BECU U S DEPARTMENT OF Energy Efficiency amp Compliance Approaches ENERGY Renewable Energy Building System Compliance Options Prescriptive HVAC anc Energy Code Provisions required for most Compliance SWH compliance options Lighting BUILDING ENERGY CODES Energy Cost Budget Simplified www energycodes gov BECU Section 5 5 6 ijja Energy Efficiency amp Building Envelope Trade Off Option ENERGY Renewable Energy Building complies if v t satisfies the provisions of 5 1 5 4 5 7 and 5 8 Y Envelope performance factor of proposed building is lt EPF of budget building EPF considers only the building envelope components and is calculated using procedures in Normative Appendix C Schedules of operation lighting power equipment power occupant density and mechanical systems to be the same for both the proposed building and the budget building BUILDING ENERGY CODES www energycodes gov BECU Install insulation in a permanent manner in substantial contact with inside surface Carpet and Pad Cavity Insulation E Flexible batt insulation in floor cavities Y Supported in a permanent manner by supports no more than 24 in on center O C Ventilated Space Wood Framing Do not recess equipment that affects insulation thickness v Lig
31. ls ENERGY Renewable Energy To prevent the simultaneous heating and cooling in hydronic systems Supply Chiller Boiler Four Pipe System 35 BUILDING ENERGY CODES www energycodes gov BECU common return hydronic system for both hot and chilled water is still prohibited IIAV rear e D c common return Two options e nameplate hp Option 1 e system brake hp Option 2 e able 6 5 3 1 1B sets forth adjustments Exceptions Y Hospital vivarium and laboratory systems utilizing flow control devices on exhaust and or return to maintain space pressure relationships necessary for occupant health and safety or environmental control may use variable volume fan power limitation Y Individual exhaust fans with motor nameplate hp lt 1 hp Y Fans exhausting air from fume hoods new 37 New In multiple zone VAV systems with DDC of individual zone boxes reporting to central control panel v Include means to automatically reduce outdoor air intake flow below design rates in response to changes In system ventilation efficiency as per Standard 62 1 Appendix A Exceptions v VAV systems with zonal transfer fans that recirculate air from other zones without directly mixing it with outdoor air dual duct dual fan VAV systems and VAV systems with fan powered terminal units v Systems required to have exhaust air energy recovery complying with 6 5 6 1 Y Systems where total des
32. mp Minimum Equipment Efficiency ENERGY Renewable Energy HVAC Equipment Covered in Tables 6 8 1 A to K Y Air conditioners and condensing units v Heat pumps air water and ground source v Water chilling packages chillers v Packaged terminal and room air conditioners and heat pumps v Furnaces duct furnaces and unit heaters Y Boilers v Heat rejection equipment cooling towers Y Heattransfer equipment heat exchangers v Variable refrigerant flow air conditioners v VRF air to air and applied heat pumps Y Air conditioners serving computer rooms 21 BUILDING ENERGY CODES www energycodes gov BECU Section 6 6 4 2 1 i Energy Efficiency amp Load Calculations ENERGY Renewable Energy Must calculate heating and cooling system design loads BUILDING ENERGY CODES www energycodes gov BECU Section 6 6 4 3 1 RE Energy Efficiency amp Controls Zone Thermostatic amp Dead Band ENERGY Renewable Energy Required for each zone v Perimeter can be treated differently Dead band controls v Thermostats must have at least a 5 F dead band v Exceptions Thermostats that require manual changeover between heating and cooling modes Special occupancy or applications where wide temperature ranges aren t acceptable e g retirement homes and approved by adopting authority 23 BUILDING ENERGY CODES www energycodes gov BECU Temperature Control off hour req
33. neau neep org krose neep org Northeast Energy Efficiency Partnerships 781 860 9177 Ext 136 781 860 9177 Ext 1 98 BUILDING ENERGY CODES www energycodes gov BECU
34. o doors and loading dock doors equipped with weather seals To restrict infiltration when vehicles are parked in the loading dock doorway What about dock levelers 17 BUILDING ENERGY CODES sits www energycodes gov BECU Required in v Climate Zones 4 for entrances in buildings 1000 ft Vestibules must have v Self closing doors Y nterior and exterior doors not open at the same time v Distance between interior and exterior doors not lt 7 ft when In closed position remember ADA Main Building Conditioned Building Envelope Main Building Semi Heated Building Envelope No Building Envelope Requirements Vestibule with 0 Heating or Cooling f Minimum Equipment voce Self closing Doors 4 Semi Heated Building Envelope Vestibule with no Heating or Cooling Bi Minimum Equipment Y self closing Doors ei Section 9 Alr Leakage KT OY ETICE TO y GS Vestibule Exceptions NERGY Renewable Energy v Non entrance doors Y Building entrances with revolving doors Y All entrances in buildings lt 1000 ft in Climate Zone 4 Y All doors that open from spaces lt 3000 ft separate from building Y Doors from dwelling units B BUILDING ENERGY CODES ts www energycodes gov BECU Compliance Approach Building Envelope Building System Compliance Options HVAC Mandatory Provisions Trade Of
35. ost options allow 5 10 increase BUILDING ENERGY CODES www energycodes gov BECU e Functional testing calibrated adjusted programmed of lighting control devices and systems required within 90 days of occupancy Must be performed by individuals NOT involved in design manufacture or installation For occupant sensors time switches programmable controls or photosensors verify All performance criteria met Occupant sensor time out and sensitivity settings Timers and programs set to turn lights off e Photosensor controls effectively control lighting in response to daylight Section 9 9 7 US DEPARTMENT Energy Efficiency amp Submittals ENERGY Renewable Energy Y Record drawings for each piece of lighting equipment v Location Y Luminaire identifier Y Control v Circuiting Y Operation and maintenance manuals 40 BUILDING ENERGY CODES www energycodes gov BECU Content and images in this presentation provided by resources from Building Codes DOE Building Energy National Renewable Assistance Project Codes Program Energy Laboratory eH Codes energycodesocean org energycodes gov nrel gov data pix U S DEPARTMENT OF Energy Efficiency amp Y Renewable Energy y for your tim el Thank yo x 22 Delaware QUES TI ON 5 OFFICE This concludes this American Institute of Architects Continuing Education Systems Program o dvig
36. tack effect and mechanical ventilation BUILDING ENERGY CODES www energycodes gov BECU Section 9 5 4 3 1 2 REA Energy Efficiency amp Air Leakage Air Barrier Installation ENERGY Renewable Energy Wrap seal caulk gasket or tape Joints around fenestration and door frames both manufactured and site built Junctions between walls And foundations At building corners And roofs or ceilings e Penetrations for roofs walls and floors e Building assemblies used as ducts or plenums Joints seams connections between planes and other changes in air barrier materials 13 BUILDING ENERGY CODES www energycodes gov BECU ENERGY Thickness minimum Plywood 3 8 in Oriented strand board 3 8 in Extruded polystyrene insulation board in Foil faced urethane insulation board Yin Exterior gypsum sheathing or interior gypsum board Vin Cement board 172 in Built up roofing membrane Modified bituminous roof membrane Fully adhered single ply roof membrane A Portland cement sand parge stucco or gypsum plaster in Cast in place and precast concrete sealed w grout or paint Sheet metal Closed cell 2 Ib ft3 nominal density spray polyurethane foam 1 in Materials air permeance tested in accordance with ASTM E 2178 using s 0 004 cfm ft at a pressure differential of 0 3 in w g Sealants tapes tested in accordance with ASTM E 2357 1677 1680 or 283 U S
37. tions divided into 2 categories allowed wattage may be traded among these applications allowed wattage cannot be traded between surfaces or with other exterior lighting BUILDING ENERGY CODES www energycodes gov BECU Section 9 4 5 aijaa Energy Efficiency amp Exterior Lighting Power Zones ENERGY Renewable Energy ZONE 1 Developed areas of parks forest and rural areas ZONE 2 Residential and mixed use neighborhood business light industrial with limited night use ZONE 3 All other ZONE 4 High activity commercial in major metro as designated by AHJ In 2010 Zone O was introduced to represent undeveloped areas within national parks forest land and rural areas as defined by AHJ 36 BUILDING ENERGY CODES www energycodes gov BECU Exterior lighting now uses Zone System to set LPD allowances New exterior lighting controls Lighting must be off during daytime Lighting must be turned off 12 AM 6 AM or building opening closing Advertising must be reduced by at least 3096 after hours or when area is unoccupied Exterior Control and Incentives ENERGY 22 e MUST turn off exterior lighting when sufficient daylight is available Use astronomical timer or daylight sensor Facade and landscape lighting off from midnight or closing to 6am or opening Addendum AC allows more LPD if more controls are added e M
38. uirements v Automatic shutdown v Setback controls Y Optimum start v Zone isolation v Exceptions HVAC systems with heating cooling capacity 15 000 Btu h intended to operate continuously Section 6 6 4 3 3 3 i gale api Energy Efficiency amp Controls Optimum Start ENERGY renewable Energy Individual heating and cooling air distribution systems with v Total design supply air capacity gt 10 000 cfm v Served by one or more supply fans Control algorithm to at least be a function of v Difference between space temperature and occupied setpoint and amount of time prior to scheduled occupancy 25 BUILDING ENERGY CODES www energycodes gov BECU Applies to v Each floor in a multistory building v Maximum 25 000 ft zone on one floor Hequirements Y solation devices to shut off outdoor and exhaust airflow when 5 000 v Central systems shall be capable of stable operation with one Isolation zone v Capable of separate time schedules for each isolation zone Central VAV Fan System EE Duct Roof o Zones typical gt 1j Supply Fan ombination P Fire Smoke Dampe E Figure 6 E VIO zT8 Dampor Isolation Methods for a Central VAV System Normally Close E E T User s Manual 90 1 2007 VAV Boxes VAV Boxes Fans with motors gt 0 75 hp shall have automatic controls complying with Section 6 4 3 3 1 that are capable
39. ylight without Curb All 4 of Roof 095 2 Oh 2 1 Max U U 1 20 U 1 20 U 1 20 U 1 20 uall 13 amp uall 1 55 Uu all 1 30 uall 1 32 U all 1 35 uall 1 35 SHEL SHGC D 25 all succall a35 0 19 SHGC all 0 34 sHcGcall a27 sU cc all a35 019 The folowing definffians apply cl naain Section 3 2 NR aihen using R value compliance method a thermal spacer Black Is required oihanwise use 0 compliance See A23 Exception to Section A3131 cNanmetal framing Includes taming maleriais other fan metal wih or without metal reinforcing or cladding TABLE 5 5 1 Cont d Assembly Assembly Max Assembly Assembly Max Assembly Assembly Max Max U 1 20 U 1 20 U 1 20 U 1 20 uall 13 amp uall 155 U all 1 50 uall 1 50 J all 1 36 uall 1 35 SHEL SHGC D 25 all 0 19 0 15 SHGC 027 027 019 zdHGcall a13 Max U U 1 20 U 1 20 U 1 20 U 1 20 uall 13 amp uall 1 3 amp 80 uall 13a uall 1 35 uall 1 35 SHEL Seal Sseocallwk SHGC Em ccall s SHGC all 4R Seca W okylights are required in enclosed spaces that are 2 5 000 ft area and gt 15 ft Ceiling height and One of these space types Office Convention Center ransportation Lobby
Download Pdf Manuals
Related Search