TABLE OF CONTENTS A-1 TITLE PAGE A-2 EXISTING FOUNDATION AND 1ST FLOOR PLAN

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1 FOR VISUALIZATION PURPOSES ONLY - SEE ELEVATIONS FOR GREATER DETAIL TABLE OF CONTENTS A-1 PAGE A- EXISTING FOUNDATION AND 1ST FLOOR PLAN A-3 EXISTING ND FLOOR DEMO AND ELEVATIONS A-4 PROPOSED FOUNDATION AND 1ST FLOOR PLAN A-5 PROPOSED ND FLOOR PLAN WITH SCHEDULES A-6 PROPOSED ELEVATIONS GPR ING SOLUTIONS A-7 PROPOSED 1ST AND ND FLOOR FRAMING PLAN A-8 PROPOSED ATTIC AND ROOF FRAMING PLAN A-9 PROPOSED BUILDING SECTION PROPOSED SITE: PAGE GENERAL NOTES 1.CONTRACTOR SHALL VERIFY ALL DIMENSIONS PRIOR TO PROCEEDING WITH THE WORK..STAIRWAYS a. REQUIRED STAIRWAYS SHALL NOT BE LESS THAN 3-0 IN CLEAR WIDTH. MAXIMUM RISE SHALL BE 8 ¼ MINIMUM RUN SHALL BE 9, WITH NOSING NOT TO EXCEED 1 ¼. MINIMUM HEADROOM TO BE 6-6. b. HANDRAIL(S) SHALL BE LOCATED IN EACH STAIR SYSTEM WITH MORE THAN THREE (3) RISERS, AT A HEIGHT OF 30 MIN. & 38 MAX. MEASURED VERTICALLY FROM THE NOSING OF THE TREADS. GUARD RAILS, 36 MIN. IN HEIGHT, SHALL BE INSTALLED N FLOOR, PORCH, AND OR BALCONY AREAS MORE THAN (30) INCHES ABOVE A FLOOR OR BELOW. MAX. CLEAR OPENING BETWEEN RAILS/BALUSTERS OR FLOOR SHALL NOT EXCEED FIVE (5) INCHES. 3.THE CONTRACTOR AND HOMEOWNER SHALL CHOOSE THE WINDOW MANUFACTURER. WINDOW SIZES SHALL BE VERIFIED BY THE GENERAL CONTRACTOR PRIOR TO ORDERING. THE WINDOW MANUFACTURER SHALL PROVIDE THE ROUGH OPENING SIZES. a. GLAZING CLOSER THAN 18 TO THE FLOOR AND EXCEEDING SIX (6) SQUARE FEET IN AREA MUST BE TEMPERED. b. EMERGENCY EGRESS, SLEEPING ROOMS SHALL HAVE AT LEAST ONE (1) OPERABLE WINDOW OR EXTERIOR DOOR TO PERMIT EMERGENCY EGRESS OR RESCUE. A REQUIRED WINDOW MUST BE OPERABLE FROM THE INSIDE WITHOUT THE USE OF SEPARATE TOOLS, AND SHALL CONFORM TO THE FOLLOWING: i.the SILL HEIGHT SHALL BE NOT MORE THAN FORTY-FOUR (44) INCHES ABOVE THE FINISH FLOOR. ii.the WINDOW SHALL PROVIDE A MINIMUM NET CLEAR OPENING AREA OF 33 SQUARE INCHES WITH A RECTANGLE HAVING A MINIMUM NET CLEAR OPENING DIMENSIONS OF TWENTY (0) INCHES BY TWENTY FOUR (4) INCHES, IN EITHER DIRECTION. IF A DOUBLE HUNG UNIT IS USED THEN SUCH DIMENSIONS SHALL APPLY TO THE BOTTOM HALF. 4.DIMENSION STANDARDS USED WITHIN DOCUMENTS ARE AS FOLLOWS, UNLESS OTHERWISE NOTED: a. EXTERIOR DIMENSIONING AT BUILDING CORNERS REPRESENTS AN OUTSIDE OF STUD DIMENSION. b. EXTERIOR WINDOWS, AND DOORS REPRESENTS CENTER OF ANOTHER OPENING, OR THE OUTSIDE OF THE STUD. c. INTERIOR DIMENSIONING AT STUD WALLS REPRESENT A DIMENSION TO THE SIDE OF THE STUD. d. INTERIOR STAIRS REPRESENT A DIMENSION TO THE FINISHED FACE OF THE STAIR. 5.STRUCTURAL HEADERS AND BEAMS SHALL BEAR ON THE FOLLOWING: a. DOUBLE HEADERS SHALL BEAR ON 4X4 POSTS b. TRIPLE HEADERS SHALL BEAR ON 4X6 POSTS c. STEEL BEAMS SHALL BEAR ON 3 ½ DIA. STEEL PIPE COLUMNS (UNLESS NOTED OTHERWISE). d. LAMINATED VENEER LUMBER (LVL) SHALL BE HANDLED AND INSTALLED IN STRICT ACCORDANCE WITH THE MANUFACTURERS SPECIFICATIONS. 6.BEARING PLATES SHALL MATCH OR EXCEED THE WIDTH OF ALL BEAMS THAT BEAR UPON THEM. 7.ALL DUCTWORK AND HOT WATER PIPING SHALL BE INSULATED AND, WHERE NECESSARY, A VAPOR BARRIER FOR THE DUCTWORK TO PREVENT CONDENSATION. 8. WRITTEN APPROVAL FROM SHALL BE OBTAINED PRIOR TO DRILLING AND NOTCHING OF SUPPORTING MEMBERS. EXISTING PHOTO A1

2 FOR VISUALIZATION PURPOSES ONLY - SEE ELEVATIONS FOR GREATER DETAIL EXISTING FRONT AND LEFT EXISTING FRONT AND RIGHT EXISTING REAR AND RIGHT " 6" 848 4'-0" GPR ING SOLUTIONS sq ft 3 18'-" EXISTING SUNROOM 17'-3 1/4" 5'-7" EXISTING LIVING 3'-8" 16'-3" 5'-6" 4 sq ft 668 REOVE SECTION OF WALL FOR NEW WORK sq ft '-0" 9'-" DEMOLISH ENTIRE BRICK FIREPLACE, HEARTH, DAMPER, MANTEL, ETC. TO BOTTOM OF 1ST FLOOR FRAMING 646 STORAGE 38'-9 1/4" 646 DEMO PLANS FOUNDATION AND 1ST FLOOR 13'-0" PROTECT BULKHEAD DOOR DURING 6'-10 5/16" 13'-0" '-1 11/16" Disposal: Remove and properly dispose of all construction waste. 646 Demolition: - Strip finish surfaces from interior and exterior of existing sunroom, and remove sunroom structure, leaving floor joists and sub floor in place. Save sunroom flooring for reuse. Remove chimney and hearth from above roofline down to top of foundation and dispose of masonry debris. - Support floors above living room (first level) and bedrooms (second level) with temporary walls and remove load bearing walls between existing interior space and newly constructed addition space. Maintain separation between second level living spaces and addition as possible until addition is constructed and tight to weather. '-11" 17'-11 1/4" Temporary protection and housekeeping: Work area is to be isolated with hanging plastic and closed doors. Adjacent traffic areas and stairs are to be temporarily protected with floor coverings. Work areas and adjacent areas are to be left broom clean at the end of each work day. Cover and protect bulkhead door on exterior during construction. Access to worksite from street is to be on the property address only no use of neighbor s yard /8" 346 3'-" 446 3'-" 1'-9 7/8" 3'-10" HATCHED WALLS REFLECT AREA OF EFFECTED BY DEMOLITION WORK " EXISTING FOUNDATION PLAN SCALE - 1/4" = 1ST FLOOR DEMO PLAN SCALE - 1/4" = A

3 AREA EFFECTED BY 7'-6" '-11" 4'-0" DEMOLISH ENTIRE CHIMNEY BRICKWORK AND ASSOCIATED COMPONENTS TO THE UNDERSIDE OF THE 1ST FLOOR FRAMING '-6" 150 sq ft 147 sq ft '-4" 7'-4" BEDROOM REMOVE SECTION OF WALL FOR NEW WORK BEDROOM '-9" 1'-3" 7'-0" 6'-8" 6'-4" 6'-0" 13'-0" 3 EXISTING BE DEMOL REMOVED REMOVE ATTIC WINDOWS AND PATCH WALL WITH NEW PLYWOOD.AIR BARRIER AND SIDING STRIP SIDING MATERIAL TO PREPARE FOR NEW ND STORY ADDITION EXISTING 1ST FLOOR FRAMING TO REMAIN DEMOLITION FRONT ELEVATION AREA EFFECTED BY GPR ING SOLUTIONS ND FLOOR DEMO PLAN AND ELEVATIONS 7'-9" 7'-0" ND FLOOR DEMO PLAN SCALE - 1/4" = DEMOLISH ENTIRE ONE STORY STRUCTURE TO TOP OF 1ST FLOOR SUBSTRATE EXISTING FOUNDATION WALL TO REMAIN DEMOLITION RIGHT ELEVATION A3

4 31'-9 1/4" 10'-8" 5'-3 1/4" '-11" 7'-6" '-11" 4'-0" 3'-9 1/4" EXISTING BASEMENT 668 EXISTING UNFINISHED STORAGE 133 sq ft '-0" 8'-11 5/8" 8'-11 5/8" 17'-11 1/4" 13'-0" 38'-9 1/4" Masonry: Construct brick chimney, similar to existing, with one flue for fireplace, on new concrete foundation (with footings to a depth of four feet below grade), including damper, cleanout door in basement below, stainless steel chimney cap, and steel lintel at fireplace opening to support brick above sq ft 16'-1 1/" PROPOSED LIVING ROOM 4'-8" SECT A-A A-9 6'-4" 3'-8 1/8" '-7 7/8" 3'-" 3'-" 3'-10" 4'-8" " 1'-9 7/8" W0 W0 16'-11 1/4" '-4" W01 1'-11" W01 6'-10 5/16" 6'-1 11/16" 3'-5 1/" 5'-7 1/" 5'-7 1/" 3'-5 1/" 18'-" 13'-0" 3 Walls: - Exterior walls to be x6 at 16 on center, with ½ CDX plywood sheathing, with double x10 window and door headers in bearing walls on first level, and double x8 headers on second GPR ING SOLUTIONS PROPOSED FOUNDATION AND 1ST FLOOR PLANS 4'-0" PROPOSED FOUNDATION PLAN SCALE - 1/4" = PROPOSED 1ST FLOOR PLAN SCALE - 1/4" = A4

5 - Framing: Construct rough frame for floor, walls and roof of addition, using # or better spruce-pine-fir lumber (including solid blocking every eight feet, as required), as follows: - Structural support: - Support floor above living room with steel beam and column system as per Structural Engineering Documentation. - Support floor above bedrooms with wood beams and columns as per Structural Engineering Documentation. - Floors: - First level: Infill existing hearth area in living room floor and create new opening in existing x8 sunroom joist system for new hearth. - Second level: Construct x8 joist system at 16 on center, with ¾ tongue and groove CDX plywood subfloor glued and nailed to joists. Include triple x8 to carry center dividing partition (above). - Walls: - Exterior walls to be x6 at 16 on center, with ½ CDX plywood sheathing, with double x10 window and door headers in bearing walls on first level, and double x8 headers on second level. Rough opening sizes, locations, sill and head heights, for windows and doors are to be specified on the Construction Drawings. Include construction of new window opening in existing exterior wall of rear bedroom. - Interior partitions are to be x4 construction and include: second level center dividing partition, rear bedroom closet and rear bedroom door relocation. - Exclusions: No work or materials are to be provided on the following items, including, but not limited to: plumbing, heating, electrical (and smoke detection system), insulation, wall finish, interior trim/millwork (door and window interior casings, built in cabinets, fireplace mantle, etc.), interior and exterior painting, finish flooring, floor refinishing, fireplace doors and finish, hearth tile. 4'-0" 7'-1" 3'-" 7'-6" '-11" SKYLIGHT 1 FLOOR 1 1 ROOF SIZE HEIGHT 5 " 5 " 50 " 50 " 50 " 30 X 58 DESCRIPTION MANUFACTURER MULLED UNIT MULLED UNIT DOUBLE HUNG MULLED UNIT DOUBLE HUNG SKYLIGHT PELLA - Windows: - Provide and install fifteen Jeld-Wen/Norco windows, as per sizes to be specified in window schedule on Construction Drawings, using standard sizes similar to those shown in the Project Concept. Windows to be Premium Wood Double Hung Vent Units with primed interior, lowmaintenance exterior, with jamb for x6 wall (white jamb liner), low-e insulating glass, 6 lite over 6 lite, 7/8 simulated dividing light with light-bronze-shadow bar, white cam lock, white exterior screen. - Provide and install one Pella skylight #3057 in existing roof above rear bedroom. - Siding: Provide and install Tyvek (or similar) air infiltration barrier over plywood sheathing. Apply pre-primed red cedar R&R sidewall shingles over Tyvek (using galvanized pneumatic fastener) keeping exposure to weather similar to existing house. 7'-4" QTY 1 CONTRACTOR AND WINDOW SUPPLIER TO VERIFY ALL WINDOW SIZES PRIOR TO ORDERING. - Exterior Trim: Apply 1x5 pre-primed # pine around the exterior perimeter of new windows and apply pre-primed 1-1/4 band molding around perimeter of new trim. 3'-0" NUMBER W01 W0 W03 W04 W05 WINDOW SCHEDULE DIMENSIONS WIDTH 59"X5" 59 " 73"X5" 73 " 4"X50" 4 " 7"X50" 7 " 8"X50" 8 " FRAMING FOR VISUALIZATION PURPOSES ONLY -MAY DIFFER SLIGHTLY FROM ACTUAL 4'-0" W03 PROPOSED BEDROOM 9'-" 4'-10" 4 sq ft 4'-" 1'-0 5/8" GLASS HOUSE - RIGHT ELEV W05 0'-10" 6'-9" W04 5'-6 5/8" 197 sq ft W05 3 4'-10" PROPOSED BEDROOM 8'- 1/8" 3 '-6" 8'-4 5/8" CL. 19 sq ft '-9" W04 4'-3 1/" 4'-8 1/" 1'-7 5/16" '-3 11/16" PROPOSED ND FLOOR PLAN WITH SCHEDULES 13'-0" 6'-4" 6'-8" 7'-1 3/8" 7'-4" 13'-5 3/8" 6'-4" '-4" GPR ING SOLUTIONS 7'-0" 7'-9" 3'-6" 1'-11 1/8" 5'-9 7/8" 0'- 1/8" 7'-0" 1'-9 7/8" 4'-8 1/". 4'-3 1/" 4'-0" PROPOSED ND FLOOR PLAN SCALE - 1/4" = REAR AND RIGHT A5

6 NEW SKYLIGHT BEYOND GENERAL NOTES: MATCH EXISTING EAVE/SOFFIT DETAIL Siding: Provide and install Tyvek (or similar) air infiltration barrier over plywood sheathing. Apply pre-primed red cedar R&R sidewall shingles over Tyvek (using galvanized pneumatic fastener) keeping exposure to weather similar to existing house. Windows: Provide and install Jeld-Wen/Norco windows, as per sizes to be specified in window schedule on Construction Drawings, using standard sizes similar to those shown in the Project Concept. Windows to be Premium Wood Double Hung Vent Units with primed interior, low-maintenance exterior, with jamb for x6 wall (white jamb liner), low-e insulating glass, 6 lite over 6 lite, 7/8 simulated dividing light with light-bronze-shadow bar, white cam lock, white exterior screen. Provide and install one Pella skylight #3057 in existing roof above rear bedroom. MATCH EXISTING ROOF PITCH Framing: Construct rough frame for floor, walls and roof of addition, using # or better spruce-pine-fir lumber (including solid blocking every eight feet, as required), as follows: Structural support: - Support floor above living room with steel beam and column system as per Structural Engineering Documentation. - Support floor above bedrooms with wood beams and columns as per Structural Engineering Documentation. Floors: - First level: Infill existing hearth area in living room floor and create new opening in existing x8 sunroom joist system for new hearth. - Second level: Construct x8 joist system at 16 on center, with ¾ tongue and groove CDX plywood subfloor glued and nailed to joists. Include triple x8 to carry center dividing partition (above). Walls: - Exterior walls to be x6 at 16 on center, with ½ CDX plywood sheathing, with double x10 window and door headers in bearing walls on first level, and double x8 headers on second level. Rough opening sizes, locations, sill and head heights, for windows and doors are to be specified on the Construction Drawings. Include construction of new window opening in existing exterior wall of rear bedroom. - Interior partitions are to be x4 construction and include: second level center dividing partition, rear bedroom closet and rear bedroom door relocation. Roof: - Roof rafters for gable (false gambrel) roof are to be x8 at 16 on center with 5/8 CDX plywood sheathing, same pitch as existing adjacent roof. - Frame new opening in existing roof for Pella skylight (R.O. = 6 wide by 4 9-1/ high) with double trimmer and header joists at first rafter location from exterior wall. Construct light well between underside of roof and existing ceiling in rear bedroom. Ceilings: Second level ceiling is to be x8 at 16 on center, lapped over center bearing partition leveled with 1x3 furring strips (below), 16 on center. Roofing: - Enclose 8 roof overhang with 1x8 eave and pre-primed # pine rake fascia, with pre-primed crown molding applied at roof edge, and white strip vent for soffit, with equal 1x soffit trim either side. Eaves return around sides of roof as in Project Concept. - Secure fir gutter to fascia over ½ thick strips to hold gutter off fascia. Apply small bed molding over ½ strips to base of gutter to cover joint between gutter and furring strips. Let in lead flashing at corner joints and lead goosencks at downspout locations. Provide and install white corrugated aluminum downspouts and elbows to bring water to drainage system at grade level. - Apply 36 wide band of ice dam barrier over 8 aluminum drip edge, around perimeter of roof and in any roof valleys. Apply 15# asphalt felt paper over remaining roof area. - Apply 5 year asphalt roof shingles with granular surface, to roof area, similar color to existing roof on house. - Install ridge vent at horizontal peak and cap all ridges with shingle tab segments. - Install non-corrosive (aluminum) sheet metal flashing at all roof junctions and penetrations. Apply black asphalt type plastic cement to exposed nail heads and joints. GPR ING SOLUTIONS Exterior Trim: Apply 1x5 pre-primed # pine around the exterior perimeter of new windows and apply pre-primed 1-1/4 band molding around perimeter of new trim. 1" '-0" Masonry: Construct brick chimney, similar to existing, with one flue for fireplace, on new concrete foundation (with footings to a depth of four feet below grade), including damper, cleanout door in basement below, stainless steel chimney cap, and steel lintel at fireplace opening to support brick above. MASONRY FOOTING 1X1X4 PROPOSED RIGHT ELEVATION PROPOSED ELEVATIONS SEE NOTES ABOVE FOR MATERIAL CALLOUTS SLOPES TO THE REAR PROPOSED FRONT ELEVATION PROPOSED REAR ELEVATION A6

7 FRAMING FOR VISUALIZATION PURPOSES ONLY -MAY DIFFER SLIGHTLY FROM ACTUAL X8 NAILER RIPPED TO FIT THRU BOLT WITH 1/" DIA. THRU 4" O.C. STAGGERED PACK STEEL WITH - X8'S THRU BOLT WITH - ROWS OF 1/" DIA. THRU 4" O.C. STAGGERED ND FLOOR SUBFLOOR EXIST. 16" OC NEW 16" OC ASTM A36 W8X4 CLEAR SPAN JOIST HANGER (SIMPSON STRONGTIE LUS8 - TYP FACE MOUNT HANGER) 1ST FLOOR FRAMING N.T.S. ND FLOOR FRAMING N.T.S. Detail 1 A-7 JOIST/STEEL BEAM/COLUMN CONNECTION GPR ING SOLUTIONS EXISTING FRAMING TO REMAIN FILL IN FORMER CHIMNEY OPENING WITH NEW X8 FRAMING CUT RIM JOIST AND FRAMING FOR NEW FIREPLACE HEARTH - DOUBLE EDGE OF OPENING 1ST FLOOR FRAMING PLAN 8" EXISTING FRAMING TO REMAIN 4'-8" 3'-" 3'-" 3'-10" 4'-8" 6'-10 5/16" 6'-1 11/16" 3'-5 1/" 5'-7 1/" 5'-7 1/" 3'-5 1/" 18'-" 13'-0" 3" STEEL PIPE - POST DOWN EACH END DETAIL 1 A-7 3 NEW X8 SAME LEVEL AS ADJACENT EXISTING FRAMING () X8 FIREPLACE HEADER (3) X8 UNDER WALL ABOVE WITH W/U6-3 FACE MOUNT STEEL BEAM () X10 WINDOW HEADERS - 1ST FLOOR TYP. '-4" SILL HEIGHT FOR WINDOWS ON 1ST FLOOR - TYP. W8X4 STEEL BEAM - - SEE ING DETAILS (ATTACHED S) 3" STEEL PIPE - POST DOWN EACH END ND FLOOR FRAMING PLAN STRUCTURAL ING NOTES: SEE ATTACHED STRUCTURAL ING NOTES FOR DETAILS AND COMMENTS PER GPR ING PROPOSED 1ST AND ND FLOOR FRAMING PLAN A7

8 FRAMING FOR VISUALIZATION PURPOSES ONLY -MAY DIFFER SLIGHTLY FROM ACTUAL GENERAL NOTES: 1) THE BASIC SNOW LOAD FOR BELMONT, MA IS 30 PSF; WIND LOAD ZONE 3, EXPO. B 1 PSF. FRAMING ) ALL ROOF RAFTERS TO BE 16" O.C. (TYPICAL). APPLY 5/8" CDX PLYWOOD TO RAFTERS. SAME PITCH AS EXISTING ROOF RAFTERS 3) CEILINGS STRAPPED WITH 16" O.C. CEILING JOISTS TO BE 16" OC TYPICAL 4) EXTERIOR WALL SHEATHING SHALL BE 1/" THICK EXTERIOR PLYWOOD. 5) WALLS TO BE X6 EXTERIOR AND X4 INTERIOR 16" OC. PROVIDE TWO TOP PLATES - TYP. 6) RE-USE EXISTING SILL PLATE AND 1ST FLOOR JOIST SYSTEM 7) PROVIDE NECESSARY HANGERS WHERE REQUIRED. ROOF FRAMING N.T.S. GPR ING SOLUTIONS EXISTING FRAMING TO REMAIN 4'-8 1/" 4'-3 1/" 5'-9 7/8" 7'-0" 4'-8 1/" 4'-3 1/" () X8'S 6'-8" 6'-4" 1'-7 5/16" '-3 11/16" () X4'S EACH END 4'-10" 4'-" 4'-10" 9'-" 13'-0" 3 () X4'S EACH END (3) X4'S EACH END X8 16" O.C. - TYP. '-6" SILL HEIGHT FOR WINDOWS ON ND FLOOR - TYP. Roofing: - Enclose 8 roof overhang with 1x8 eave and pre-primed # pine rake fascia, with pre-primed crown molding applied at roof edge, and white strip vent for soffit, with equal 1x soffit trim either side. Eaves return around sides of roof as in Project Concept. - Secure fir gutter to fascia over ½ thick strips to hold gutter off fascia. Apply small bed molding over ½ strips to base of gutter to cover joint between gutter and furring strips. Let in lead flashing at corner joints and lead goosenecks at downspout locations. Provide and install white corrugated aluminum downspouts and elbows to bring water to drainage system at grade level. - Apply 36 wide band of ice dam barrier over 8 aluminum drip edge, around perimeter of roof and in any roof valleys. Apply 15# asphalt felt paper over remaining roof area. - Apply 5 year asphalt roof shingles with granular surface, to roof area, similar color to existing roof on house. - Install ridge vent at horizontal peak and cap all ridges with shingle tab segments. - Install non-corrosive (aluminum) sheet metal flashing at all roof junctions and penetrations. Apply black asphalt type plastic cement to exposed nail heads and joints. EXISTING ROOF FRAMING ROOF PITCH TO BE THE SAME AS EXISTING ROOF CUT NEW FRAME FOR SKYLIGHT - 30X58 SKYLIGHT - PELLA NEW X8 ROOF 16" O.C. - TYP. MATCH EXISTING OVERHANG DIMENSION - TYP. MATCH EXISTING OVERHANG DIMENSION - TYP. NEW X10 RIDGE BEAM NEW X10 RIDGE BEAM ENDS HERE PROPOSED ATTIC AND ROOFING FRAMING PLAN ATTIC FLOOR FRAMING PLAN ROOF FRAMING PLAN A8

9 Roof: - Roof rafters for gable (false gambrel) roof are to be x8 at 16 on center with 5/8 CDX plywood sheathing, same pitch as existing adjacent roof. - Frame new opening in existing roof for Pella skylight (R.O. = 6 wide by 4 9-1/ high) with double trimmer and header joists at first rafter location from exterior wall. Construct light well between underside of roof and existing ceiling in rear bedroom. Ceilings: Second level ceiling is to be x8 at 16 on center, lapped over center bearing partition leveled with 1x3 furring strips (below), 16 on center. MATCH EXISTING EAVE/SOFFIT DETAIL Framing: Construct rough frame for floor, walls and roof of addition, using # or better spruce-pine-fir lumber (including solid blocking every eight feet, as required), as follows: Structural support: - Support floor above bedrooms with wood beams and columns as per Structural Engineering Documentation. - Support floor above living room with steel beam and column system as per Structural Engineering Documentation. Floors: - First level: Infill existing hearth area in living room floor and create new opening in existing x8 sunroom joist system for new hearth. - Second level: Construct x8 joist system at 16 on center, with ¾ tongue and groove CDX plywood subfloor glued and nailed to joists. Include triple x8 to carry center dividing partition (above). Walls: - Exterior walls to be x6 at 16 on center, with ½ CDX plywood sheathing, with double x10 window and door headers in bearing walls on first level, and double x8 headers on second level. Rough opening sizes, locations, sill and head heights, for windows and doors are to be specified on the Construction Drawings. Include construction of new window opening in existing exterior wall of rear bedroom. - Interior partitions are to be x4 construction and include: second level center dividing partition, rear bedroom closet and rear bedroom door relocation. MATCH EXISTING ROOF PITCH '-6" SILL HEIGHT TYP. 8'-1 1/8" 7 1/" 7 1/" 7'-11 3/4" BEDROOM NEW X8 FLOOR JOISTS BEDROOM PROPOSED LIVING ROOM EXTENSION (SAME SIZE AS EXISTING SUNPORCH) '-4" SILL HEIGHT TYP. X8 FLOOR 16" O.C. NEW SKYLIGHT BEYOND Roofing: - Enclose 8 roof overhang with 1x8 eave and pre-primed # pine rake fascia, with pre-primed crown molding applied at roof edge, and white strip vent for soffit, with equal 1x soffit trim either side. Eaves return around sides of roof as in Project Concept. - Secure fir gutter to fascia over ½ thick strips to hold gutter off fascia. Apply small bed molding over ½ strips to base of gutter to cover joint between gutter and furring strips. Let in lead flashing at corner joints and lead goosencks at downspout locations. Provide and install white corrugated aluminum downspouts and elbows to bring water to drainage system at grade level. - Apply 36 wide band of ice dam barrier over 8 aluminum drip edge, around perimeter of roof and in any roof valleys. Apply 15# asphalt felt paper over remaining roof area. - Apply 5 year asphalt roof shingles with granular surface, to roof area, similar color to existing roof on house. - Install ridge vent at horizontal peak and cap all ridges with shingle tab segments. - Install non-corrosive (aluminum) sheet metal flashing at all roof junctions and penetrations. Apply black asphalt type plastic cement to exposed nail heads and joints. GPR ING SOLUTIONS PROPOSED BUILDING SECTION A-A Windows: Provide and install Jeld-Wen/Norco windows, as per sizes to be specified in window schedule on Construction Drawings, using standard sizes similar to those shown in the Project Concept. Windows to be Premium Wood Double Hung Vent Units with primed interior, low-maintenance exterior, with jamb for x6 wall (white jamb liner), low-e insulating glass, 7/8 simulated dividing light with light-bronze-shadow bar, white cam lock, white exterior screen. Provide and install one Pella skylight #3057 in existing roof above rear bedroom. INSULATION: WALLS - R-13 FLOORS - R-19 CEILING - R-30 7'-8" 4" EXISTING UNFINISHED BASEMENT Exterior Trim: Apply 1x5 pre-primed # pine around the exterior perimeter of new windows and apply pre-primed 1-1/4 band molding around perimeter of new trim. Siding: Provide and install Tyvek (or similar) air infiltration barrier over plywood sheathing. Apply pre-primed red cedar R&R sidewall shingles over Tyvek (using galvanized pneumatic fastener) keeping exposure to weather similar to existing house. SECT A-A A-9 BUILDING SECTION A-A SCALE - 3/8" = A9