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NO PERMIT NUMBER (2) OB/QB/2001 08:42 eAS 41J888888J4 rneuvn ani.,•u....a .•,... '52153 1 8� Nor .oS 3S— FaANk R. IANNUCCi �/'�i G2D�9 wE2aJeR .. • ENERgy CONSULTANT U — 2D 77 TME 24 SPECiAUST a S 8 01 September 6, 2001 SEP 2 0 2001 D B Trudy Werner BY Re: Alterations to your residence in Cupertino. Dear Ms. Werner: Because you are not adding square footage and volume to your residence, the changes to your residence are considered alterations. The simplest way to comply with Title 24 requirements for alterations is prescriptively. This means that you simply need to meet the. minimum mandatory measures for the areas yon are • altering. If you open any opaque surfaces (walls, ceilings, etc) , you must insulate the opened areas as follows: Roof: R-19 Balls: R-13 Floors : R-13 . All new windows must have a maximum O-value of 0 .75 or better. All ezisting areas that are not altered do not need to be upgraded to meet the minimum mandatory measures . If you have any further questions, please c WF /. 1annucci IN ACCORDANCE WITH THE CITY 06 CUPERTIINNNO CODES AND ORDINANCES GATE le:-;)—o- 0/ SIGNED__ OFFICE H16 a This set p u : n pecm s ands MUST be kept on ' � � a i omss and it is un awful to m,u= � es or alterations on same w .1, u ce mission from • REISEn the slam; g . ' . ; : Cupertino. The stampn� � .I� • � �� nd specifications SHALL iNbl i , -t or to be an ipproval C iht a —i n d any provisions any C;;. 1' i.n,+r, , : Stats Law. 21 HAfiRiSON AVE., STE. 210 9 CAMpbEii, CA 95008 • (408) 866-1620 09/0'4/2001 09:42 FAX 4088888832 • FRANK IANNUCCI f • Removed wall and windlnsulation require- ments from Package D except well Insulation may be R-13 enastration area in addition Is limited to d x:_31 • maximum of •• i Package D Per- � � •�• centage of the i eye• , D �'r �ij r added floor area `rj'2fI plus fenestration area removed from 02001 i:. the existing house •�,'• i because of the i••I addition Additions < 500 R ® may have 0.75 or lower fenestration EXISTING BUILDING ADDITION• AdditiU�aln e> 500its shall shall have Package D or lower U-values Figure 7-1 Compliance Option for Addition: Package D For Addition Alone(floor area low hien 1000 111) ALTERATIONS Adding a loft within the existing conditioned volume of a residence. This is an alteration Within the context of the standards, alterations rather than an addition because It adds are changes to a building's envelope, space- conditioned floor area but not conditioned conditioning system, water-heating system or v lighting system which are not additions. An alteration does not increase both conditioned Compliance Options for Alterations volume and floor area. Examples Include: Prescriptive compliance requires meeting mandatory measures on new systems or Adding a new skylight (or window) to an components being altered. New windows being existing building If the skylight has a light added must meet a maximum U-value of 0.75 well that cuts through an existing attic, the (except dual-glazed skylights airandUedualP llazed alteration adds conditioned volume but is not greenhouse windows). Changing on an addition because it does not add equipment replacements is restricted. conditioned floor area. Performance compliance requires meeting Adding a new greenhouse window to an mandatory measures on new systems or existing building. This is an alteration rather components being altered. There Is no limit on than an addition because it adds conditioned the U-value of windows, and there is no • volume to the building but not conditioned restriction on changing fuel types, as long as the floor area. energy budget can be met. Jul 1, 1999 7-3 Additions and Alterations y • A. S. Associates, Inc. ENGINEERS & PLANNERS 145 DLLON AWNE, BLDG D CAMPBELL CA. 95008 (408) 176-0363 $ FAX (408) 376-0183 STRUCTURA y CALCULATIONS .WERNER RESIDENCE PROJECT: MUNG REMODEt LOCATION: 10531 FOOTHILL BLVD. CUPERTINO, CA. DESCRIPTION: DESIGN FOR MASTER BED ROOM . COFFERED CEILIP FOLIO NO. 99R45 DATE: 03 SEP 1999 f pL� (� L� � d � ' PROJECT ENGINEER SEP 2 0 2001 S C-02V60 CML CMCE copi D OF REVISED JOB A. S. 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S T 'SCOPE OFI STRUCTURAL CALC .........- L . it .......... ......................... . ............................ ... ... ...... . fi ..................... . ............. ............. 11-1 1 DESIGN FOR MASTER BEDt'- -ROOM COFFEREDCEILINGF ....................... .........4............. .......................... .................................... ... ........... ................... ......................... NOTES ......................... ...................... .............. i SIZE l'OfiEXIST,EXISTING ROOF RAFTER : 2X4 @'24 Oil. ..................... I - all R0dF": 1IqiRg 2.! 2X6 R MAYBE lUSE ............. .................T rn . ............. 0 COFFERED CEILING GEOMETRICAL .......... ....... .................................. 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