HomeMy WebLinkAbout1990/10/08 Board of Appeals & Advisors Agenda Packet (2)
Item #2C
OVERVIEW OF CALIFORNIA BUILDING ENERGY EFFICIENCY STANDARDS
TOPICS TO BE PRESENTED:
1. Why Energy Laws for Buildings?
2. Residential Energy Standards
A. Prescriptive Packages
B. Point System
C. Approved Computer Program Ana1ysis
D. Mandatory Measures
E. Typical Residential Walk-Thru Plan Check Procedures
3. Non-Residential Energy Standards
A. Energy Documentation
B. Sample Shell Building and Tenant Improvement Energy Forms
4. Questions and Comments
If you have a specific item that JOu would like to have covered, please call AJex Saucedo,
Chief Plans Examiner, at 691-50 7.
AS:yu
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1Ij oIaoI OffIce - ,-.-
Heating
. Cooling
FanslPumps
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,~, ' lighting
, , x Equipment
Pt. 5t ÄA bl ~_...... 2nd c._ r
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"".- Jl-l: Eaeqy Sari...
eøa.~~eI0D aDd OperaClas C..e Sa.ID8a. The secònd
!S.~._. -t:fCIIII scandards will save -=ey for the builcl1ng owner
J:m CIiItÐ -,.a: First, construction C08t will be reduced due to
efff.c:t.ml: lighting systelll8 and dowa-aizlng of KVAC systems.
~ bmildlng operating costs will cI1a1nish dramatically
d:u:e 1:0> f.mcreased energy efficiency. Analyses show initial
co>nsc:ructlon cost savings of $1/sf for a typical low-rise
o:fff.c:e building in Fresno, with energy-related operational
<:0>.1:. reduced by $50/sf over the 40-year life of the
bœLffca.
....rSY 5."11'188'" Bullc:ff.l%p con8tructed in compl1aøca with the
second generation nom~.81dentlal standard8 are espected to
u.e 60 percent les8 .me~3Y than bUilding. built prior to
1975, and 40 percent Ie.. aaargy than buildings that meet the
m1nilDWD requirements of Cite tirst generation nonreddential ~
standards. A typical low-ri.e office building in FreaDo, for
example, would use 80 kStu/sf-yr l..a under the second
generation standards, a. compared to the first generation
standards (see Figure 1-1).
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Figure 1-1: California Climate Zones
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1-8 Energy Conservation Manual Revised December 1987
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Four Sets of Standards in Effect Until 1991 :
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· First Generation (HighriselHotel) Standards:
a~artment houses with four or more habitable
s ories and hotels ,
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· Second Generation (Lowrise) Standards: all
Occupancy R buildings exœpt~artment
houses with four or more haéitaDle stories and
hotels. I
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Nonresidential: - !
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" " · First Generation Nonresidential Standan:fs:
all Occupançy ^' S, E and H buildings except
offices, retail and wholesale stores.
· Second Generation Nonresidential Standards:
all offices, retail and wholesale stores.
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Verify Applicable
Standards.
. Include
~plicable
andatory
Measures
(Compliance With Energy Budget)
Prescriptive Point System Computer
pp..k~ges Methods
Certificate ofCom~liance and
Compliance orms
Verification and
Enforcement
Figure1-2: Flowcharr of the Standardg
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1-10 Energy Conservation Manual Revised December 1987
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Chapter 2
Mandatory Measures
2.1 OVERVIEW
The mandatory measures are minimum levels of The plan reviewer should verify that each measure
energy conservation that aU buildings must have. listed on the Form MF-IR is shown on the plans. A
These measures include, in part: column labeled "Enforcement" is provided on the
form for checking off each item. The field inspector
· R-19 insulation in frame ceilings can also use this form to check off each item that is
actually installed, such as by placing a second check
mark in the enforcement column.
· R-ll insulation in frame walls
· manufactured windows and doors certified as
... .. - meeting air leakage !Iandard!
· infiltration controls such as weatherstripping,
caulking, and scaling
· appliances certified as meeting California
Appliance Efficiency Standards.
Figure 2~ 1 illustrates most of the requirements. A
complete listing of the mandatory measures is found
on the Mandatory Measures Checklist: Form MF-1R
in Appendix A of the ECM.
It is important to remember that the mandatory
measures are only minimum levels of conservation
requirements. The pJrticular arrroi:H.:h u~eu for
compliance (packJgcs, point system, or cumrUln
program) may require a higher level of one or more
of these measures (see Problem 2-1 hduw ;.mu tht;
examples on p. 2-1 of the ECM).
[p 2-1
A compkted Form MF·IR shuulJ be submiw.:Ù wilh
the compliance documents. The designer should pur
a check in the column labeled "Designt.:r~ opposj¡l:
each item in the checklist which is to bc installed in
the building. Notes or details in the plans should "Iso
show thesc fcarurcs, so thar the builder will ck:arly
understand what is required. For eXJmple, framing
sections should show the required insulation
R·vaJues, and the furnace size and Sea~mnal
EfJïcicncy should be noted where the furnace is
shown on t he plans.
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.\fandatory,\!easurcs 2-1
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2-~ Ell!..,'?......">' Conservation ~Vt>rkb()(}J.:, Junt', ]f)"S .\/andato0' .\ft'(Jsurcs
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I Mandatory M~-~.... ~ Checklist: Residential MF-IR
- NOIE:: Lowrisr: .....a....1iaII NIdings subject to the Standards must œmaiII1 dIese measures regardless of the ~
............. """""- Ila:ms....need willi an asll:risk (.) may be ............dUI1>1' more stringent compliance .~""n"'.1S Ti:!tItd
011 .... ~<1IfCampliance. When lIIis checklist is ¡.....;,....~ inIIO the pennit documenlS. the r~ nau:dlsIraII
be.. . J ...J ~aiJ paniesas binding minimum com~II""'fu.,..........speciflCalions for \he ~measw:es
-~- dqoaat~dsewhere in lIIedocumenISOI"OII_~wIy.
DESCIIIP1'ION DESIGNEJr. ' ~
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. P-S3S2(a): Minim_ _ling insulation R-19 weiglad__.......
P-S352(b): Loose fill m...1ohon manufactum"'s Iabc1cdR-VæIWi:..
P-SJS2(c): Minimum WIIIlinsulation in tiamedw.JIsR-1I wci¡¡jiœdia.-._(dIiIcs not apply to
.......;... mass walls).
§2-SJS2(k): Slab edge insulation - water absorptiOllna:lIIOpaœlrdiaø:Œ3'%;.",aœnapor
baIISIIIission rate no greaIICr than 2.0 penn/inch.
§2-SJ 11: Insulation specified or installed meets Califcnia EJau CmmmiS&iær (1Di3CJ quality
standards. Indicate type and fonn.
§2-S352(1): Vapor baaie.s mandatory in CIimatcZoaa 1l4"'16~,.
§2-5317: Inftlttation/Exfdtration Controls
a. Doors and windows between conditioned .... ..... . .."did :~......dI spBEI:SSdesi¡¡nedHtII> ImriIt:Dr
leakage.
b. Doors and windows certified.
c. Doors and windows weatherstripped; aDjoiDts _ ,.......JI>~""'. 1ìPd! ænhaled..
§2-5352(e): Special ~ barrierinsallcd 10......,..1) willi §2-mn Rll\'lttS;ŒCqaaiÏI.y
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. §2-S3S2(d):- -. afF".~
- I. ). --'7_~Ii.~have:.
I a. T"IiiIioos.. 110 Lie meal or glass door
b_ 0IJaide air ínab: willi d¡.".... .... control
c. Flue d¡.".... aad œntroI
2. No continuous bu.";" gas pilols 8IIowaI..
HV AC and Plumbinl S,- M ~
§2.5352(g) and 2-5303: Space cepJ;......... cquipment sizing: attach calculations.
§2·5352(h) and 2-5315: ~ "'....-on all applicable heating systems.
i §2-5316(a): Ducts construc:lal, iDS1a1led... ;ncnb..... pel" Chapter 10, 1976 UMC.
I §2-5316(b): Exhaust systems have clamperœmrols.
§2-SJI4(c): Gas-fU'ed space heating u¡u;....'" '" has inlmniaent ignition devices.
§2-SJI4: HV AC cqui llllClll, W8ICT beaJas. shotoraheads and faucets certified by the CEC.
12-S352(i): Water heaIa" insulation blankd (R-12 or greater) or combined interior/exterior
ínsuIation (R-16 or greater); first 5 fectoCpípes closest to tank insulated (R·3 or greater).
12-S312(&ception I): Pipe insulation on steam and steam condensate return & recirculating -
piping.
§2-SJl8(d): Swimming Pool Heating
I. System has:
a. OnJoff switch on heater.
b. Weatherproof instruction plate on heater.
c. Plumbed to allow for solar.
2. 7~ pcn:entlllennal efficiency.
3. Pool cover.
4. lUIIC clock.
S. DÍRICIÌonal water inleL
- Llptinl and Appliance Measure5
12-5352(j): Lighting. 2S lumens/watt or greater for general lighting in kitchens and bathrooms.
§2-5314(c): Gas fired appliances equipped willi intennittent ignition devices.
§2-5314(a): Refriger.llors. refrigerator-freezer.¡, freezer.¡ and fluorescent lamp ballasts cenified .
by the CEC. Indicate make and model number. ,
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Form Revised December 19r7 .
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MANDATORY MEASURES
Q¡ miiL Ìllsulalion levels Ii» I!iVAC aad plumbing syslem Sl:ds.
Q¡ iidIiIIuation conlrols Q Jí:g Wøoc aad appli:Ißce slds.
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~ "I'U"D.....~ PACKAGES I . r . POINTSYS1!IEM I I· COMPUTER METHODS I
0 prescribed COIISCrvation o ..m-1IIr.IÚi<.-œr.. o analytical mClhod
f=UlCS allll4'lq£w.u.:AU~Qø. based on building's
/i::IIlum:s¡ cnergy budget
0 simplest method <II l1biIiJiI: o unlimiled design
options
0 Icasl nexiblc 0 ........ c:mnuI= o mosl nexibl"
amI complex
rq;un I-I: Overviewofdre Compliance Methods
Compliance DocumenlalÏoa Fonns
NOIe: The forms contained in the ECM ar"
To ·!neo·-t thai a proposed ....;r.G..g meelS lhe f«o",mcnded forms. A local building department
-...... the applic:ull. m_ SIIIibaoif. certain forms. ""'y adapllbcsc forms for local Wie. ßdon,
1l'TIc Eacrgy Co-m;«u... h.as ~ a sel of prepõlJ"ing compliance documents, the permil
m:uaunc:ndcd forms. Each f_ b a specific applÎC:ulI should alw-..ys check lirsl with the local
IIIT IOSC, :IS cxplainc:d below. T..tìdic ¡-¡lists lhe building dcpanmenltO see what forms arc required
. forms :lßd sbows wbic:h 0I1C$ an: rap;.cd ia each of in that jurisdiction.
the compliance m"lbods-prcsaip&iNc ~
poinasyslem, and compuler mctbools.. TIle r"'¡k>wing Tub/e J.J: Typicu/ Comp/iullce FortllS
d.xumcnts arc required ia;ill a.scs: Needed for £ucJ¡ Compliunce Pul/¡
Prescriptive Poinl Computer
· ~oCCnT~"'" (Form CF-1R) Form Package System Method
CF·IR Req Req Req
· M~-''"-Y M........o:s Cbccklï.a (Form MF-I R) MF-IR Req Re'1 Re'l
C-:!R NA NA Re'l
· Hcatiog ~ ~'I~·~~...I~IIS P-ZR NA Req NA
F_3R 1£ app. l[ app. 1£ app.
· Insulatioø C:r.\'¡G= - posI at bui.lding sile W..r.a l£app. Ifapp. Ifapp.
h.:;¡¡¡iAg
Furm S Irapp. Ifapp. I(app.
· Appliance ccn<f\QI:Q -I"I!II ;¡( buil.Jin¡piIC Luad Req Req Req
C"..Ù:ula1íons
["1'_ 1-') [\oJ tot q ¡n:.UIaLí.>D Rcq Rec.¡ Req
""'<tif=<:
....ppLía.ncc Req Req Req
¡ o.:,tlitåQtfo:s
, Cùpiø of the: forms arc found in Append",'" uf the:: ---.-----................--....................
I K.EY: R"q = required inform"tiun, recommended
EC:M :I.IW ;¡( tbe back of Choptcrs 1 - ó in the:: ECI\.f. form, NA = nOI appiicable; If app. = if applicable
ß'.: 1W"c:: to save one blank copy of eoch furm fM
~g~~¡lional copics on a phOhJC~"PY ma<;ttinc::. (p.G·81
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1-1 EJI~,!:>, CiJlIse,,'ulioll lVorkbiJok. hili.' 19X8 . 11I('()úu~li()lt
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Table 3-Z7:Prescriprive Packagesfor ClimIlk ZOlUl7
Packa¡:e Package Package Package Package
Com~ A B C D E
BUlLDJlNGJE1NNEUJi'E
lIMn...... ),1""...:.._
CåIÏf& R-19 R-30 R-19 R-30 R-30
wan R-ll R-ll R-ll R-ll R-ll
-øcavy" Wall (R-l_1') (R-l.4) (R-I.3) N/A N/A
"Li¡b1 Mass" Wall [R-4.01] [R-3.5] [R-3.5] N/A N/A
SbbFloor PerimeIeC NR R-1 NR NR N/A
ltå!aI Floor R-ll R-ll R-ll N/A R-19
GLAZING
~--=-_.. U-VaIœ 1.10 Øl6S 1.10 0.65 0.65
u__=-___ Total Area NR I4'J( 14% 20% 2O'J(,
JoL-=---.. ToIBINœsouth Facing Area 9~ NfA N/A N/A N/A
Iof'..:.._.... South Facing Area 6.4-. !Sa NR NR NR
SHADING COEFFICIENT
South Facing Glazing NR NR NR 0.6f,2 0.662
West Facing Glazing NR NR NR 0.66 0.66
. East Facing Glazing NR NR NR 0.66 0.66
North Facing Glazing NR NR NR 0.66 0.66
1HERMAL MASS3 REQ NR NR 25% '10%
lNFlLTRATION CONTROL
('nnrinnnw¡ BaIriø NR NR NR NR NR
Air.....Air Ib J:T'"'-"Ir NR NR NR NR NR
SPACEBEA'lNiSYSJEM4
lIfGe;. '!' ......J:f&:.. ~ 7- 11% 11% 71% 72% 72%
JfIJca~.ACOP= M1N M1N MIN 2.5 2.S
SPACE COOLING SYS1EM
If Air Conditione:c6, SEER= M1N M1N M1N 8.9 8.9
I DOMESTIC WATER HEATING TYPE
System must meet budget, ANY ANY Solar wI ANY ANY
see §2-5351(b) and 2-5351(1)(8) Any Backup
LEGEND: NR = Nca RoqaioooI; NlA. = Not "''''''........, REQ = RcqWml
t. The value in puadraa is drc: .... . Iit-nbc: f.lbecnIÍR: waD assembly cxdudinJ; interior and cxterior air fihns if the wall weight exceeds
40 pounds per~føaI.. 1!sc"-. 'IrøddS is1hcminimum R·va1ae Corlbe c:ntÏ« aSlcmbly if the heat capacity of the wall meets or exceeds
1hcrauhOCmaIJiipI\)IÚII&drc.........---'ØlÍlliÚ!l:lmaR·valuc:byO.6S. 1k ~......'~muslbc integral with or installed 00 the outside of 1hc cxlcrior
-. The insidelUlfaaof6e1hamal_. ìødudínc plasleror ~ bœ:nI índi.m:l CQ1ttact with the masonry wall, shall be exposed 10 the
.... air. The cdr:rior"waD IIISCd IOmed die R-qJue in puadhaaca:DlJOl.aJ'sobe øsed.lOmecl the above thennal mass requirement.
:z. NoIpCCifIC ............stbe insWIcd wilhdouble cIa7ina IomecllkrJ..66""'eodfIáaaI. requiremenr. which assumes light drapery.
3. T.._Ibe_oClbennaI mos.m¡uired rOl'PackoCe A..... 1!Ie'-'"rostll in t2-S3S1(f)4. Packace D (rOl' .lab floor buildíng.)
~ 2S pm:mt of the around Oexw area direaJy expoaed todse ~ '9I'CC. tJøarpctcd (e.g., linoleum or tiled) ground floor area,such
ae:aay WJys, kitc:hc:ns, balbrooms, and conditioned utility roœns crc::fotetJ may all be œønICd towards Ibis requiremenL Package E (f01"raised
ffaorboildings) requires a thennal mass aru equaJ to 10 pm::aø.oftfœ groundifiØœ ~ To qualify for thc:rmal mass, the material used must
JIJ:øc a perfonnance equivalent 1.0. two inch thíå mass dement witb.a-.olo:mel:richatapKity of 28 Bul/fè -"P., a thennal conduc:l.iviry of 0.98
Eka,Kt-OP.. and a lunace area direcl1y exposed tome room aít"the m:¡o.iz=t ~ CtlIbe ground floor.
4. 1he 71'1. SB requimnenÞ are supenedcd by dae AwJíam:e EtfICimc:y Stcdiwtk; whidt -=¡uín that aU nonweatherproof central gas fumaces of
....""'" 17S,OOOBblibrllWlUrac:IUred on OI'aIier Jmuary t,1988 have. nIiø¡ofn% SEOI'higher, Automaaicsethack thermo'lal' must be
iIuu1Ied in conjunc:tíoo with all space heating syltanJ e:u:ept those noccd iø. S'et:tion 1!-
S. Heat pumps mult meet the mínimum 6.6 HSPF (Heating Seasonal Perfonn3It'U Factor') value specified in the Appliance Efficiency Standards as
welt os the ACOP (Adjumd Cod'ficienl or Performance) listed in the TobIe.
6- Both air conditioners and lhecooling cycle of heat pumps must meet the listed SEER. (Seuonal Energy Efficiency Ratio) lisled in the Table.
Any equipment which meets the Appliance Efficiency Standards also meeu the "MIN" package requirement (or cooling.
Q
3-18 Energy Conservation Manual Revised December 19~vJY
'~~r
. Clr.ø¡¡Jte- Ji: COMPLIANCE OVER"VlEW
...
t".~.<:'APABllITIES OF~
MH :"'(}~AS uses a soph;m . JI Jimuno.bY../murencrsr'~ teclmiquc to c:stimate
tha:CIIII:I:!D' use of both the Vl"u .11 ami: Sta... I... I n...;¡p. This simulaliOD bas been
subjjllllttJurigorous set of -__~;n..'""a;ùiaI!MDC:ROPAS pRdids the same
~¡......... n:suIt as the CECS ...... .. ...~ ~It..... IÞ>_- MJImOPAS 011 an
1iœu:iY.-1iæiiir" 1Iæb:s iato ~ Ilk fD:IIàwioa¡:
œ SOlim¡¡;IiDs.~ ~mdil1{l"qJ''''~1IÚåI:cs¡.
œ 11'hnd\,,,,;..... dI.~ ~ ami: 0 I3I 1IC: surfiu:cs¡ dìJc: to> iiIdiaøtloutdoor
I.ronl! ..AI""C~~
GII 1íIñ1_m._-n.n;""dìJc:la:I~wiml:amlistacli;_
0 'JIIbamaI mœa IIro.m.ñh.limall'mnnnn...m,ilili"lf""""'"aIii.
GII CIJB::""""IP""!XIiaWmr-'''T.'i'''''',fòn1Im.........,.t·SII!~ ~y'"a¡¡=Kion on
~amf~;"" afiwiiulawB;amlidomssfÒ1rm>t",.,,¡:V.....iI..imr
w.... ... MIJ:R01!'A$ U8I:S -1ImœrlI.!v - ,,I\,.,, diJIa¡ Iim dì:y.' buJIìr II . "1/-' .j ur:c;. wiinf S iICCd,
amlidi=ænlldiiiIfase solar ,...¡;:...;.- AltIlk......,.;¡¡Œ ¡IIÎiIIIII, ~Á$cam.,;....-... a
fiùI:y:aar(3Ií!IidloJs) 01" a n:duccd Jar (<<Z oI!aJ5}).. 1IIDr:.-.1\. ..II JaIT is tmii:aily. USI:di &ur
~¡"""'" ~ it performs œIy 1,{1!IIIIt afllk""¡~ "-'1/-' .1; III: fùJ&.Y.eær
~m,It1timrc
SI**' IIIqomt diIc minimum C8l"'bolft.c .~.... b r doc œc. MICROPAS Ibm; ,~;....r
Capllbllltles am¡mvá fí1w analyzing the special ~ 5J5Icms below:
0 /!';....L:..~d Hydronic Space aud Wafer JI~túog
0 ~CœIroIJcd HVAC Systems.
0 <t:imt:toIW VClllilatiOD Crawlspaces.
0 E:.t...öU. U- Wall, Floors and C"";"g
ct m,il;¡;;,g~ÖOns
œ q¡1..~_,...--
.
Copyright 1988 by Enercomp, Inc. June 7, 1988 Compliance Manual ]·9
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