A-4.1 MODIFIED BITUMEN MEMBRANE ROOF, TYPICAL …

JOB:

DATE:

SHEET:

NotesDateNo.

REVISIONS

SHEET TITLE

PROJECT

C W ARCHITECTUREJ

Portola Valley, CA 94028130 Portola Road, suite A

(650) 851-9335 / (Fax) 851-9337

These plans are copyrighted and are subject to copyrightprotection as an "architectural work" under Sec. 102 ofthe Copyright Act, 17 U.S.O. as amended December 1990and known as Architectural Works Copyright Protection Act of 1990. The protection includes but is not limitedto the overall form as well as the arrangement andcomposition of spaces and elements of the design. Undersuch protection, unauthorized use of these plans, work or home represented, can legally result in the cessation ofconstruction or building being seized and /or monetarycompensation to CJW Architecture.

KEY NOTES

Roof Plan

999 Godetia DriveKoev Residence

Woodside, CA 94062

2009.0300

08/06/2009

A-2.3M:\CJW

_Job_Files\

2009\2009-0300 Koev Residence\Dwg\Current\2009.03 CURRENT.pln

12/15/2009Tuesday, December 15, 2009

1:48 PM

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1A-4.1

2A-4.1

3A-4.1

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6'-4

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CLOTHESDRYER VENT.

TERMINATE 1'-4"MIN. ABOVE

ROOF. MAX 12'DUCT LENGTH.

FRAME PERIMETER VALLEY (+0" **)USING PRE-FAB TRUSS SYSTEMTYPICAL

6

3

4TYPICAL

1TYPICAL

+1"

7TYPICAL

1

4

4

TYPICAL

+1"

7TYPICAL

5

6

TYPICAL

5TYPICAL 6

LOW ROOF RIDGE LINE +6 1/2" **

1TYPICAL

+1"

7TYPICAL

7

ENTRYBELOW

3

1TYPICAL

+1"

7TYPICAL

FRAME PERIMETER VALLEY (+0" **)USING PRE-FAB TRUSS SYSTEMTYPICAL

GRE

AT R

OO

M R

IDG

E LI

NE

+7 3

/4" *

*

5TYPICAL

8

8

3

2TYPICAL

5

FRAME PERIMETER VALLEY (+0" **)USING PRE-FAB TRUSS SYSTEMTYPICAL

5

4

7

1TYPICAL

+1"

9TYPICAL

10TYPICAL

9TYPICAL

9TYPICAL

UPPER ROOF INTERSECTSLOWER AT SHADED AREA10

LOWER ROOF

10LOWERROOF

10TYPICAL

A-4.21

A-4.32

A-4.31

11

11

11

1 1/4" = 1'-0"Roof Plan

1 ROOF DRAIN: PROVIDE SIDE DISCHARGE UNITS AND PIPETO COPPER LEADERS, TYPICAL. RE: WALL SECTIONS.

2 MODIFIED BITUMEN MEMBRANE ROOF, TYPICALTHROUGHOUT. SEE WALL SECTION SHEETS A-4.2THROUGH A-4.5 FOR ADDITIONAL INFO.

3 WALLS BELOW; SEE FLOOR PLAN & STRUCTURAL.

5 PROVIDE PRE-FAB TRUSSES WITH PROFILE THATACCOMMODATES DRAINAGE AS SHOWN, INCLUDINGRIDGES, HIPS AND A CONTINUOUS PERIMETER VALLEY ASNOTED.

6SKY LIGHT O"KEEFFE'S, INC. STANDARD SKYLIGHT,ALUMINUM CURB MOUNT W/FLAT GLASS. SKYLIGHT TOMEET TEST STANDARD AAMA/WDMA/CSA 101/I.S.2/A440.SKYLIGHTS SHALL BE LABELED AS COMPLYING WITH THESTANDARD PER CBC SECTION 2405.5.

CONSTRUCTI0NNORTH

NOTES1.) ROOF DRAIN OVERFLOW VIA ROOF PERIMETER EDGE.INSTALL ROOF DRAIN INLET AT 2" BELOW T.O. METALCAP/TRIM.

2.) ** ROOF DRAINAGE ELEVATIONS, (+3") RELATE TO THET.O. PLYWOOD SHEATHING AT PERIMETER VALLEY(+0). NOTE THAT ROOF DRAIN INLET IS 1" ABOVEPERIMETER VALLEY SHEATHING.

3.) EAVE AND ROOF VENTS SHALL COMPLY WITHCHAPTER 7A AND ANY ADDITIONAL REQMTS OF LOCALFIRE MARSHALL.

09/09/09 PLAN CHECKCOMMENTS

12/03/09 OWNER REVISIONS

4 PROVIDE TAPERED INSULATION TO POSITIVELYDIRECT WATER TO ROOF DRAINS.

7 COPPER LEADER, TYPICAL, EXTENDS TO GRADE ANDDISCHARGES INTO BELOW GRADE TIGHT-LINECOLLECTION SYSTEM DEDICATED TO ROOF DRAINAGE.

8 COPPER LEADER EXTENDS TO CONCRETE SPLASH BLOCKAT ROOF BELOW.

9 12" FAMCO ROOF VENT: 113 SQ. INCHES FREE AREA

10 CONTINUOUS EAVE VENT: RE: CUT SHEET.1 LINEAL FT. = 12 SQ. IN. FREE VENT AREA

ROOF VENT CALCS

ATTICAREA

(SQ FT)

FREEVENTAREA

REQ'D(SQ IN)

VENTINGPROVIDED(SQ IN)

A

BC

A

B

C

1148

302

1407

551

145

704

551

145

704

(5) 9 = 565

(178) 10 = 2136

(2) 9 = 226

(63) 10 = 756

(7) 9 = 791

(160) 10 = 1920

11 LEADER TO SPLASH BLOCK THRU METAL FASCIA. PROTECTALL METALS FROM GALVANIC ACTION BY TAPE, PAINT OROTHER PROTECTIVE COATINGS, TYPICAL