2.1.1 Attachment 3 - Express Cal Wildfire NextGen CAD Drawings Furnace-AC System - FEB-03-2025 PE Sealed.pdf

MANUFACTURED HOUSING UNIT

FEDERAL EMERGENCY MANAGEMENT AGENCY

NextGen Express Unit

(Furnace/AC System)

APPENDIX D

Wildland - Urban Interface Fire Area Construction

Designs for NextGen 8' Wide Express MHU's

February 3, 2025

COVER PAGE

TITLE:

Scale: NTS

03/25/2020FEMA Manufactured Housing Units Federal Emergency Management Agency

DRAWING NO.

D-8F-1.1Express MHU (Furnace)

APPENDIX D

REV 02-03-25. Feb 03, 2025

Attachment 3

ADDITION/REPLACEMENT INDEX

EXISTING FEMA APPENDIX D ADDITION/

DWG. NO. REPLACEMENT DWG. NO. TITLE

8F-1.1 D-8F-1.1 COVER PAGE

NONE D-8F-1.2.1 ADDITION/REPLACEMENT PAGE INDEX

8F-1.3 D-8F-1.3 GENERAL NOTES

8F-1.4 D-8F-1.4 GENERAL NOTES (CONTINUED)

8F-2 D-8F-2 FLOOR PLAN

8F-3 D-8F-3 DOOR AND WINDOW SCHEDULE

8F-6 D-8F-6 ELECTRICAL PLAN

8F-9 D-8F-9 HVAC DESIGN AND OVERHEAD DUCT LAYOUT

8F-10 D-8F-10 ELEVATIONS

8F-11.1 D-8F-11.1 CHASSIS

8F-11.2 D-8F-11.2 CHASSIS DETAILS

8F-17.1 D-8F-17.1 FRONT END WALL FRAMING AND INTERIOR SHEATHING

8F-17.2 D-8F-17.2 REAR END WALL FRAMING AND INTERIOR SHEATHING

8F-18.1 D-8F-18.1 FRONT SHEARWALL FRAMING AND EXTERIOR SHEATHING

8F-19 D-8F-19 FRONT DOOR SIDEWALL

8F-20 D-8F-20 BACK DOOR SIDEWALL

8F-21 D-8F-21 ROOF FRAMING LAYOUT

8F-22 D-8F-22 ROOF SHEATHING LAYOUT

8F-23 D-8F-23 ROOF OVERHANG DETAIL

8F-27 D-8F-27 TRANSIT PROTECTION DETAILS

8F-28 D-8F-28 TRANSPORTATION LIGHTING

8F-29.1 D-8F-29.1 TIE DOWN SYSTEM

8F-29.2 D-8F-29.2 EXTERIOR WALL TIE DOWN DETAILS

APPENDIX D FOR WILDLAND - URBAN INTERFACE FIRE AREA CONSTRUCTION IS A SUPPLEMENT TO FEMA'S

STANDARD DRAWING PACKAGES.

APPENDIX D IS INTENDED TO ADD OR REPLACE EXISTING PAGES IN FEMA'S STANDARD DRAWING PACKAGES. THE ADDITION/REPLACEMENT INDEX BELOW IS TO BE USED IN ADDING AND REPLACING PAGES.

TITLE:

Scale: NTS

03/25/2020FEMA Manufactured Housing Units Federal Emergency Management Agency

DRAWING NO.

D-8F-1.2.1

APPENDIX D

Express MHU (Furnace)

REV 4-27-20

ADDITION/REPLACEMENT PAGE INDEX

. Feb 03, 2025

MANUFACTURED HOUSING UNIT

Federal Emergency Management Agency

GENERAL NOTES

CODES AND STANDARDS

Manufactured Home Construction and Safety Standards 24 CFR 3280 Manufactured Home Procedural and Enforcement Regulations 24 CFR 3282 Uniform Federal Accessibility Standards (UFAS) Standard for the installation of Sprinkler Systems in Manufactured Homes (NFPA 13D) Referenced 2005 National Electrical Code (NFPA 70) Articles as Incorporated in HUD 24 CFR 3280 2019 California Residential Code - Section R337 Materials and Construction Methods for Exterior Wildfire Exposure California Air Resources Board Phase 2 (CARB 2) Compliance

STRUCTURAL LOADS

Floor Live Load 40 PSF Floor Dead Load 10 PSF Roof Live Load 40 PSF Roof Dead Load 10 PSF Comply with Wind Zone 1 Requirements of 24 CFR 3280 Wood Roof Diaphragm Wall Height: 7'-6"

GENERAL NOTES

TITLE:

Scale: NTS

Date: 03/25/2020FEMA Manufactured Housing Units Federal Emergency Management Agency

DRAWING NO.

D-8F-1.3

APPENDIX D

Express MHU (Furnace)

GENERAL NOTES (CONT)

TITLE:

Scale: NTS

Date: 03/25/2020FEMA Manufactured Housing Units Federal Emergency Management Agency

DRAWING NO.

D-8F-1.4

APPENDIX D

Express MHU (Furnace)

REV 4-27-20. Feb 03, 2025

WD

REFER

BATH

70.1 SQ. FT.

KITCHEN

LIVING/DINING AREA

150.0 SQ. FT.

BEDROOM

9'-2"27'-1"7'-7" 9'-6"

14'-91 2"

48'-0"

22'-83 4"29'-2"

36'-101 2"

2'-11 2" 5'-01

2"12'-1"6'-111 2"

29'-71 2" 9'-6"

22'-33 4"

17'-3"

41'-51 2"

10'-6"

31'-10"

5'-111 2"

W/H

4"

4" 2'-41 2"

14'-10"

36'-101 2"

3'-2" 2'-10" 2'-6" 2'-10"

4"

39'-61 2"

4"

8' -0

4" 3060

3060E 3027

UTILITY

8" 251 2" 11

2"

1 2"

1 2"

7"

3"

1 2"

1 2"

1 2"

5" 251 2" 3"

2' -0

4"

2"

RANGE HOOD

RANGE

FIXED PANE

PANTRY

EXTERIOR

A/C

UNIT

4"

SHEARWALLS - WIND ZONE 1

NO. LENGTH PLF

1 96" 278 2 96" 278

SIDEWALL HEIGHT = 90"

TRUSS VERTICAL PROJECTION = 9 14"

2"

LIGHT & VENT SCHEDULE

ROOM TITLE AREA REQ'D LIGHT REQ'D VENT

LIVING/DINING

AREA 150 S.F. 12.0 S.F. 6.0 S.F.

BEDROOM 70.1 S.F. 5.61 S.F. 2.81 S.F.

28"

9'-2"

F

SHEAR WALLS WIND ZONE 1

DESIGNATES A 2X4 INTERIOR WALL

DESIGNATES A 2X6 INTERIOR WALL

20'-13 4"

24"

4" 24"

4"

1 2" 2"

RAG

OPTIONAL DEHUMIDIFIER -

SEE APPENDIX A, PAGE A-35.

FLOOR PLAN

TITLE:

Scale: 3/16" = 1'-0"FEMA Manufactured Housing Units Federal Emergency Management Agency

DRAWING NO.

D-8F-2

APPENDIX D

Express MHU (Furnace)

Date: 03/25/2020

REV 11-15-23

Floor Plan Notes:

1. All bedroom closet shelving shall be 12 inches deep.. Feb 03, 2025

BATH

KITCHEN

LIVING/DINING AREA

BEDROOM

W/H

UTILITY

D1

D2

D3

W1

W2

D3

W1

W1

PANTRY

MARK

W1 W2

WIDTH

2'-6" 2'-6"

HEIGHT

5'-0" 2'-3"

TYPE

Single Hung Window Fixed Pane Window

WINDOW SCHEDULE

TOTAL WINDOW AREA: 44.2 SQ. FT.

D1

D2

EXTERIOR

A/C

UNIT

F

D4

Door Notes

1. Exterior doors shall meet 24 CFR 3280.405 requirements and shall comply with Wind Zone 1 requirements.

2. All exterior doors shall be insulated fiberglass or steel with a maximum U-Value of 0.33.

3. All doors shall have lever type handles in compliance with UFAS 4.13.9.

4. For additional information on exterior and interior doors see FEMA Additional Requirements document and

Appendix A.

5. Return air grills shall be installed above doors unless the grill will be blocked by the sprinkler system and then may be installed in the door or wall.

6. Door stops shall be installed at all interior and wardrobe doors. Door stops may be installed on the door or the floor baseboard. Door stop finish to match interior hardware finish.

7. All bathroom and bedroom doors shall have a privacy lock. The lock mechanism shall be the button type

(UFAS 4.13.9) and located on the inside of the bathroom or bedroom.

8. The water heater compartment side of the water heater access door shall be covered with minimum 5/16 inch thick gypsum board.

9. The closet door shall be equipped with a passage latchset with lever handle.

10. Sprinkler riser door lockset shall be keyed to match the water heater closet door lockset.

11. All interior doors shall have a maximum gap of 1" between the finished floor and the bottom of the door.

12. The exterior surface or cladding of exterior doors shall be of non-combustible material or ignition-resistant material to comply with R-337.8.3 Exterior Doors of the 2019 California Residential Code.

13. 14x4 RAG centered in door with bottom of opening 2 1/2" above floor. Minimum 20 S.I. of free air return area.

Window Notes

1. Windows shall meet 24 CFR 3280.403 and 3280.404 requirements and shall comply with Wind Zone 1 requirements.

2. Windows shall be double paned, low E with vinyl frame. Windows shall have a minimum SHGC of 0.30 and a maximum U-Value of 0.36.

3. Windows shall have a design pressure rating of 15.

4. Windows shall have screens.

5. Exterior windows shall be vinyl frame with minimum one tempered pane and comply with R-337.8.2.1 Exterior Windows of the 2019 California Residential Code.

SEE NOTE 13

MARK

D1 D2 D3

WIDTH

3'-0" 3'-0" 2'-0"

HEIGHT

6'-8" 6'-8" 6'-8"

THICKNESS

1-3/8" 1-3/8" 1-3/8"

TYPE

Outswing Door Hallway Doors Closet & W/H Doors

DOOR SCHEDULE

TOTAL EXTERIOR DOOR AREA: 43.03 SQ. FT.

D4 1'-6" 6'-8" 1-3/8" Sprinkler Riser Access Door

DOOR AND WINDOW SCHEDULE

TITLE:

Scale: 3/16" = 1'-0"

Date: 03/25/2020FEMA Manufactured Housing Units Federal Emergency Management Agency

DRAWING NO.

D-8F-3

APPENDIX D

Express MHU (Furnace)

REV 9-20-21. Feb 03, 2025

W/H

NOAA

GFCI-WP

S 3

S3

SC

FE

SS

GFCI-WP

WP

WP

SSS

H.T. GFCI

RH 16

SS

REFR

GFCI

S

G

FC

I

G

FC

I

TV

TV SS

13 10

G

FC

I

F

SC 12

T

44" AFF 18" AFF TO RECEPTACLE SCREW

SINGLE OUTLET RECEPTACLE

FOR REFRIGERATOR

WP

SEE

GENERAL

NOTE 2

S

S

TITLE:

FEMA Manufactured Housing Units Federal Emergency Management Agency

COMPANY:

Cir. Purpose Type Wire Size Amps Pole

Bedroom 1 14-2 15 1

2 NA - -

3 NA - -

4 Kitchen 20 1 5 Kitchen 1 6 Ext. Recep 1 7 Washer 1 8 Dryer 30 2 9 Electric Range

10 Water Heater 11 A/C 12 15 1 13 Furnace

GFCI

12-2

10-3 Per MFR. Specs.

14-3

20GFCI 12-2

20GFCI 12-2

2012-2

Per MFR. Specs.

Per MFR. Specs.

14 Living Room 15 114-2 16 Lights/Recep 15 114-2 17 Dining Room 20 112-2 18 Refrigerator 20 112-2

Per MFR. Specs.

19 Bath Receps / Heat Tape 20 112-2

GFCI

GFCI

ELECTRICAL PLAN

Scale: 3/16" = 1'-0"

DRAWING NO.

D-8F-6

TPS System

General Notes

1. The range electrical receptacle must be recessed.

2. Circuit #15 has an external TPS electrical connection with a female IEC 60 309-2 international pin and sleeve connection. The external TPS electrical connection shall be located 24" in from the road side of the MHU and 12" up from the bottom of the exterior siding.

30 28-3

Date: 03/25/2020 APPENDIX D Express MHU (Furnace)

Smoke Alarm/C.O.

Electrical and Lighting Notes

1. The highest breaker in the panel box should be 48” maximum. Panel box bottom must be at least 24” from the floor.

2. The light bulbs shall be LED, equivalent to 60-watt incandescent bulbs, min. 800 lumens, white in color, between 2,700 K and 4,100 K.

3. No glass shall be used in any of the lighting globes.

4. The exterior lights shall be stored in the refrigerator during transport.

5. Interconnected smoke alarms shall utilize the home’s primary power source and shall have battery backup.

6. The centerline of the switches and the top of thermostat must be installed at no more than 48” above the finished floor.

7. Electrical outlets must be no lower than 18" above the floor to the center of the receptacle screw.

8. The junction box for the telephone and cable shall be located within 4’ of the road side rear of the MHU.

9. Electric wiring may be done either through the floor or the ceiling.

10. Listed service entrance conduit, sized per 2005 NEC, shall be run from the main distribution panel straight down and extend below the bottom board no more than 3 inches with a listed threaded fitting.

End of conduit shall be capped.

11. Thermostat wire shall be run with the condenser line set and shall be supported at 48" O.C. with zip ties. Installation shall conform to low voltage wire requirements per 2005 NEC.

12. For additional information on optional dehumidifier wiring requirements see Appendix A, page A-35.

13. Circuit breaker, wire and junction box shall be installed at the plant. Junction box shall be located below wall framing for dehumidifier and cover plate facing into the Living Room, wire nut end of dehumidifier wire in junction box.

14.Bathroom exhaust fan with light to be 75 cfm with an integrated timer. Bath exhaust fan(s) after being turned on, shall run for a minimum of 60 minutes, even if the fan switch is turned off. Any over-ride to the minimum 60-minute requirement is not acceptable. Label with note shall be placed above bath fan switch stating, FAN ON TIMER AND SHUTS OFF AFTER 60 MINUTES.

15. Kitchen range hood exhaust fan with a white light shall be a minimum 100 cfm exhaust fan, with separate switches.

16. Bathroom and kitchen exhaust fans shall vent directly to the outside.

17. Ceiling lights shall have 2 LED bulbs.

18. The bathroom vanity light shall be wall mounted with 3 LED bulbs.

19. The circuit breaker(s) providing power to the TPS unit shall be equipped with a UL-listed locking device that can secure the breaker(s) in the ON position. Devices shall be installed set to the ON position.

20. Kitchen countertop receptacles and switches must be furred out to be 24" (max) from front edge of countertop and no more than 44" to the top of the switches or receptacles above finished floor.

21. N/A

22. Heat tape recept located within 24" of water inlet.

23. Smoke alarms shall not be located within 3 feet horizontally from any ceiling discharge grille.

24. Carbon Monoxide Alarms shall be approved and listed by the State of California Fire Marshal per California Information Bulletin 2012-03 (MH) - 06-26-2012.

S

WP

Sym. Description

110 volt duplex recep-wall mounted 110 volt duplex-GFCI protected recept

220 volt recept-wall mounted Light Fixture - Ceiling Mounted Light Fixture - Wall mounted Exhaust fan - Light Combo Distribution panel board - 200 amp Exterior light fixture - weather proof

TV

FE

S

S3

NOAA

T

Smoke Alarm w/ Strobe Light - wired in series Telephone Recept TV Outlet Fire Extinguisher Switch Switch - Three Way Outlet for NOAA Weather radio Thermostat

SA

Sym. Description

AC Disconnect

Service Entrance Conduit through bottom board from Main Distribution Panel Board

Optional Dehumidifier (Direct Wired)

20 Optional Dehumidifier 15 114-2GFCI

REV 02-03-25

x1

4x

4' -0

4'-8"40'-8"

4' -0

20'-8"

6' -0

16'-21 4"32'-8"

3' -2

12" R

ISER

F

HVAC DESIGN AND

TITLE:

Scale: 3/16" = 1'-0"

Date: 03/25/2020FEMA Manufactured Housing Units Federal Emergency Management Agency

DRAWING NO.

D-8F-9OVERHEAD DUCT DESIGN

Heating Cooling

Furnace/ A/C Specifications (10 KW Electric Furnace) Floors 0.0344

Air ducts in ceiling 0.0868

Ceilings and roofs of light color 0.0258

Walls (without windows and doors) 0.0804

U Values Heating

Duct Capacity

Air ducts in ceiling (Duct Area) 251 Sq. Ft.

22,535 Btuh

0.035

0.0896

0.0258

0.0766

Cooling

Express MHU (Furnace)

APPENDIX D

(1.5 Ton Air Conditioner)

HVAC Split Furnace / AC Notes

1. The furnace shall be at least a ninety-five percent (95%) efficient electric furnace (central heating system) capable of maintaining an average temperature of seventy degrees Fahrenheit (70°F) in the MHU.

2. The MHU shall be equipped with a specifically engineered HVAC split furnace /AC system based on the size and intended use of the MHU, in accordance with 24 CFR 3280.506, that is compatible with the HVAC split furnace

/AC system size.

3. The furnace shall also be built or equipped for the installation of a split type air conditioner and have enclosed space in water heater/furnace compartment for an A-coil evaporator unit, and with a 4-wire thermostat completely wired and installed.

4. A vibration damping pad shall be placed between the condensing unit and the mounting platform.

5. A 1” ratchet strap with 500 lb. capacity shall be installed around the outside of the condenser unit and bracket extension for transportation.

6. Air conditioning lines shall be pre-charged in the factory per manufacturers specifications and shall not have any leaks. Refrigerant lines shall be run next to the I-beam between the crossmembers and the bottom board where they will be protected from transportation damage. Refrigerant lines shall be secured to the I-beam at 48" O.C.

7. Furnace return air return grill shall be sized per furnace manufacturer's installation instructions.

8. Duct penetrations thru ceiling board shall be sealed.

9. All vent openings (intake or exhaust) to the exterior of the MHU HVAC wall mounted package system unit or furnace HVAC system shall have noncombustible corrosion-resistant mesh with a minimum of 1/16-inch, but not to exceed 1/8-inch openings, and comply with R337.6 of the 2019 California Residential Code.

HVAC General Notes

1. See FEMA specifications for programable and configurable thermostat requirements.

2. Duct system shall be constructed of Class 0 or Class 1 circular insulated flex ductwork or equal. Circular flex duct shall be sized per duct design calculations. All ducts to be insulated with a minimum of R-4 insulation.

3. Metal supply register sizes as shown on duct layout.

4. All supply ducts shall be in the roof attic space.

5. All supply duct seams and fasteners shall be sealed with UL-181A or UL-181B listed duct tape.

6. The manufacturer shall provide a duct pressure test report (See FEMA Spec for testing procedure) for each MHU duct system showing duct leakage of 5 percent or less prior to FEMA acceptance of the MHU.

7. No construction debris or sawdust shall be left in the duct system.

8. N/A

9. Return air grilles shall be sized per 24 CFR 3280.715(b)(4).

10. N/A

11. 14x4 RAG centered in bedroom entry door with bottom of opening 2 1/2" above floor. Minimum 20 S.I. of free air return area.

12. Bathroom exhaust fan location shall not be located next to the bathroom supply register.

REV 11-15-23

BACK DOOR SIDE ELEVATION

HITCH END ELEVATION TAIL END ELEVATION

FRONT DOOR SIDE ELEVATION

BACK DOOR

ANGLE RAIN DIVERTER OVER DOOR

RIDGE VENT (TYP.)

TRANSPONDER

INTERIOR FLOOR LINE

OUTSIDE

CONDENSER

UNIT WITH

PROTECTIVE

COVER

ANGLE RAIN DIVERTER OVER DOOR

RIDGE VENT (TYP.)

PEEP

HOLES

FRONT DOOR

INTERIOR FLOOR LINE

3" 3"

'-6 " M

AX

T

O T

O P

O F

R

ID

G E

VE

N

T

8'-6" EAVE TO EAVE MAX.

3" 3"

'-6

" M

AX

T O

T O

P O

F R

ID

G

E

VE

N T

8'-6" EAVE TO EAVE MAX.

24"

DRYER VENT.

12"HUD LABEL: APPROX. 12" UP FROM

FLOOR AND 12" FROM ROADSIDE.

HOSE BIB

OUTSIDE

CONDENSER

UNIT WITH

PROTECTIVE

COVER

TPS ELECTRICAL CONNECTION.

SEE D-8F-6, GENERAL NOTE 2.

METAL ROOF POD (TYP. 4 PLACES)

METAL ROOF POD (TYP.)

METAL ROOF POD (TYP. 4 PLACES)

8'-0"

EXTERIOR

RECEPT.

(GFCI)

8'-0"

AC DISCONNECT

EXTERIOR

LIGHT

EXTERIOR

LIGHT

PEEP

HOLES

EXTERIOR RECEPTACLE (GFCI)

RANGE EXHAUST FAN

SERVICE ENTRANCE CONDUIT

FEMA Manufactured Housing Units Federal Emergency Management Agency

TITLE: VERSION:

ELEVATIONS

Scale: 1/8" = 1'-0"

Date: 03/25/2020 DRAWING NO.

D-8F-10

APPENDIX D

Express MHU (Furnace)

Exterior Finish Notes

1. Siding shall be 19/32” thick LP SmartSide® panel (cedar texture) or equivalent.

2. Color of exterior paneling shall be light gray.

3. Siding shall be approved for Wind Zone 1 requirements.

4. The manufacturer shall provide a transponder sled. See Appendix A.

5. The sled shall be painted with a powder coat paint to match the exterior color of the MHU or white.

6. The transponder sled shall be made out of sheet metal.

7. Soffit, trim and J-Blocks shall be light gray or white.

8. All penetrations (i.e. electrical wires, HVAC lines, etc.) of the 19/32-inch LP SmartSide paneling or equivalent shall be caulked with a fire caulk. REV 11-15-23 . Feb 03, 2025

32'-0" CTR. OF AXLES (66.7% OF FRAME LENGTH)

48"48"

16'-0" CTR. OF AXLES

4" 291

2"

4"

4"

1 2"

10"x9# I-BEAM HEADER

10"x9# MAIN I-BEAM

CROSSMEMBER

(TYP)

Chassis Frame Notes

1. All metal-to-metal contact with 1/8” fillet weld minimum.

2. Floor shall be lagged to frame with frame clip, Fastec 9mm x 76mm listed lags or lags equivalent in size and strength at each joist and outrigger tip.

3. Clips shall be welded to the I-beam.

4. All parts of the chassis including added/welded parts shall be completely coated with waterproof paint.

5. Tires shall be new, 14.5” rim diameter, 14 ply with “G” load range.

6. Wheels and tires shall meet or exceed the axle rating and be rated for continuous speeds of 65 mph or greater.

7. All axles shall be new.

8. All axles shall be brake axles.

9. A valve stem cover shall be present on every tire.

10. The serial number shall be permanently stamped to the front header to comply with 3280.6. In addition, the serial number shall be painted with rust resistance contrasting color paint, 2 inches (2”) tall on the front header.

11. Rims, bolts, nuts, or other related tire-mounting hardware shall be new.

12. Longitudinal brackets shall be installed at 96” maximum from each end of the home.

13. Springs shall be 24 3/4" long multi-leaf.

14. All rims shall be the same color.

15. Maximum typical pier spacing along main I-beams at 8' O.C. Typical pier load = 4250 lbs.

16. Manufacturer to place permanent indicators (paint or label) on each I-beam at 2'-0" in from each end, 12'-0" O.C. max.

and at door jambs for locations of temporary piers for storage.

17. N/A

18. Structural steel shall be A36 and Fy: 36Ksi.

Frame Specs:

Main I-beam: 10X9# or equivalent with transportation test.

Front/Rear headers: 10x9# or equivalent with transportation test.

Cross members: 13 ga. C or Z, 1 12"x3"x1 12"@4'-0" O.C. Typ.

Outriggers: N/A.

Frame clip: 1"x1 12"x12 ga.

Hitch Specs:

See Chassis Details, Detail "A"

Welding Specs:

1. All welds to be a minimum 1/8" unless otherwise noted. Weld beads can be concave in application as long as the weld size is met.

2. Coupler and jack shall be welded per manufacture's installation instructions.

3. I-beam splice plate shall be 4" wide x height of I-beam minus 1 1/4"x13 GA. splice plate can be offset +/- 1/4". Weld shall be full width of splice plate. Splice plate only required on one side of I-beam.

4. All weld lengths stated or shown are minimum lengths and shall have a tolerance of minus 1/4" (except spring hangers). Weld lengths that are not noted shall be full length.

SEE

APPENDIX A,

PG. A-40

4"

42"

21"

48'-0"

10"

(MOVED JOIST)

2'-2"

(ADDED JOIST)

5'-4" 6'-8"

9'-4" 10'-8"

13'-4" 14'-8"

17'-4" 18'-8"

21'-4" 22'-8"26'-8"

28'-0"

29'-4"

30'-8" 32'-0"

33'-4"

34'-8"

36'-0" 37'-4"

38'-8"42'-8" 41'-4"45'-4"

46'-8"

FRAME CLIPS IN AXLE AREA ARE LOCATED ON INSIDE OF I-BEAM AS SHOWN.

2'-8"

25'-4"

10"x9# MAIN I-BEAM

13'-4" INSTALL TIRE BLOW-OUT

PROTECTION IN THIS AREA (BOTH SIDES)

25'-4" START BLOW-OUT PROTECTION

SEE CHASSIS DETAILS,

DETAIL "A"

DETAIL "B"

4'-0"

9'-4"

12'-0"16'-0"20'-0"24'-0"40'-0"44'-0"

13 GA. "C"

CROSSMEMBER

1-1/2"x3"x1-1/2"x2'

- SPRING HANGER

DRAWING NOTES

FRAME CLIP DETAIL (SAME ON BOTH MAIN I-BEAMS).

**DIMS ARE PULLED FROM END OF HEADER BEAM.

**BE SURE TO VERIFY FLOOR JOIST LAYOUT TO MATCH CLIPS TO JOISTS.

2"48" 331

4" 48"48"48"48"48"331 4"

48'-0" 4'-0"8'-0"12'-0"16'-0"20'-0"24'-0"44'-0" 40'-0" 37'-23 4" 34'-91

4" 32'-0" 26'-91 4"29'-23

4"

2"331

4"331 4"291

2"

32'-0" 16"

4" 5 HOLES AT 16" O.C.

16"

TYP.

FRONT AND REAR HEADER SHEARWALL LAG BOLT SPACING

16"

10"x9# I-BEAM

HEADER

ANGLE GUSSET INSTALLED ON

REAR OF THIS CROSS MEMBER

8'-0"

SEE A-40, NOTE 1.

CHASSIS

TITLE:

FEMA Manufactured Housing Units Federal Emergency Management Agency Scale: 3/16" = 1'-0"

DRAWING NO.

D-8F-11.1

VERSION:

APPENDIX D

Express MHU (Furnace)

Date: 03/25/2020

REV 11-15-23

DRAWBAR I-BEAM - 12" X 10.8#

DRAWBAR CROSSMEMBER I-BEAM - 12" X 10.8#

REINFORCEMENT UNDER FRONT HEADER AND

CENTERED BETWEEN FRONT HEADER AND TONGUE.

VENTURE 2-5/16" - 60 DEGREE, 10,000 LB. COUPLER OR EQUIVALENT

JACK - VENTURE TOP MOUNT,

10,000 LB. GALVANIZED OR EQUIVALENT.

7-3/8" X 4" NOSE PLATE

1"x1 1/2"x12 GA. FRAME CLIP.

1/8" x 1-1/2" FILLET WELD TO TOP

FLANGE OF I-BEAM.CROSSMEMBER -

C OR Z 1.5"x3"x1.5"

13 GA. AT 48" OC.

1-1/2" x 1-1/2" x 13 GA. ANGLE GUSSET 8" x 1"L FILLET WELD TO I-BEAM AND

CROSSMEMBER

I-BEAM - 10" X 9# AT 68 12"SPACING

FRONT AND REAR I-BEAM

HEADERS - 10" X 9#.

HITCH SHALL BE PAINTED GREEN

FULL

1"MAX

1"MAX

NO

WELD

3" Notes

1. Thickness is 4 gauge.

2. Vendor to assure all spring hangers are installed 90° to I-beam.

3. Shoulder bolts to be torqued per axle manufacturer requirements (Approximately 30 to 50 ft. lbs). Leaf spring to move freely in spring hanger.

4. Welds are not continuous around corners.

1/4" FILLET WELD

EACH SIDE

4"

I-BEAM FLANGE

LOOKING UP AT SPRING HANGER

SPRING HANGER

SPRING

HANGER

LEAF

SPRING

EQUALIZER

AXLE

U-BOLTS

LEAF

SPRING

SHACKLE LINK

WITH BOLTS

CENTER SPRING

HANGER

FRAME I-BEAM

FEMA Manufactured Housing Units Federal Emergency Management Agency

COMPANY:

DETAIL B: SPRING HANGER WELDING

DETAIL A: HITCH ASSEMBLY

CHASSIS DETAILS

TITLE:

Scale: NTS

03/25/2020 DRAWING NO.

D-8F-11.2

VERSION:

DETAIL D: EQUALIZER & SHACKLE LINK FASTENING

Notes

1. Shoulder bolts are to be used at all equalizer and shackle link locations.

2. Shoulder bolts shall be torqued per axle manufacturer requirements.

(Approximately 30 to 50 ft. lbs.)

3. Equalizer and shackle links are to move freely after shoulder bolts have been torqued.

4. Axle U-bolts shall be torqued per axle manufacturer requirements

(Approximately 70 to 95 ft. lbs.)

APPENDIX D

Express MHU (Furnace)

REV 11-29-21

H O

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(IF

A

PP

LI

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PA

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(IF

A

PP

LI

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AB

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/4

1/

E1

BATHROOM

/4 x

- B

AC

KE

R

U P

OPTIONAL VERTICAL WALL BOARD PANEL BREAKS

2x 6x

/2

BA

C

KE

R U

P

2x6 sprinkler head backer up.

Sprinkler head backer location may vary based on sprinkler design.

SEE NOTE 12.

TOP PLATE SPLICE

NTS

BOTTOM PLATE SPLICE

NTS

3" X 5" X 20 GA.

Metal connector plate, one each side

Min 2 x by top plate width by 10” splice block centered over splice, plus or minus 1 inch. Fastened with (6) - 7/16” x 15 Ga staples or (4) .131" nails each side of splice. Fasteners to have min. 1 inch penetration.

Min 1 x by bottom plate width by 10” splice block centered over splice, plus or minus 1 inch. Fastened with (6) - 7/16” x 15 Ga staples or (4) .131" nails each side of splice. Fasteners to have min. 1/2 inch penetration.

3" X 5" X 20 GA.

Metal connector plate, one each side

TITLE:

FEMA Manufactured Housing Units Federal Emergency Management Agency

COMPANY:

FRONT END WALL FRAMING AND

Scale: 3/8" = 1'-0"

DRAWING NO.

D-8F-17.1INTERIOR SHEATHING

Bottom plate to floor

Header to stud

Sill member (at opening) to stud

Multiple studs (to each other)

Multiple flat header members - 2 rows of fasteners 80% glue coverage.

Cripples to header, sill and plates

Gypsum to studs, 80% PVA glue

Exterior siding

Top plate to truss

Stud to plate

Layflats to top/bottom plate

FASTENING SCHEDULE - EXTERIOR WALLS

DESCRIPTION FASTENER APPLICATION

3 Each15 ga X 716" X 2 12" staple

OR 0.131 X 3" nail 2 Each

12" O.C0.131" X 3" nail OR

#8 X 3" wood screw 12" O.C

7 each ply15 ga X 716" X 2 12" staple

OR 0.131" X 3" nail 4 each ply

3 each

2 each

12" O.C

12" O.C

6" O.C

6" O.C

3 Each

2 Each

19 ga X 316" X 11 4" staple drywall screw

6" edges; &

12" field

0.131" X 3" nail OR

#8 X 4" wood screw

15 ga X 716" x 2 12" staple

15 ga X 716" X 2 12" staple

OR 0.131" X 3" nail

15 ga X 716" X 2 12" staple

OR 0.131" X 3" Nail

15 ga X 716" X 2 12" staple

OR 0.131" X 3" nail

15 ga X 716" X 2 12" staple

OR 0.131" X 3" nail

OR

Alternate Gypsum to studs, 100% one part urathane glue

19 ga X 316" X 11 4" staple drywall screw

6" edges

OR

2 Each

1 each

1 each

Backers to stud - Backers shall be #3 SPF min. and size as shown on drawings.

6 Each15 ga X 716" X 2 12" staple

OR 0.131 X 3" nail 3 Each

(end grain only)

(end grain or toed)

See Shearwall & Exterior Sheathing drawing

APPENDIX D

Express MHU (Furnace)

03/25/2020

Wall Framing Notes

1. The exterior wall framing shall be 2 x 4 nominal #2 SPF at 24” o.c.

2. Wall framing shall be 7'-6” from floor to ceiling.

3. Sidewall top plates shall be single 2 x 4 nominal #2 SPF.

4. Sidewall bottom plate shall be single 1 x 4 nominal SPF.

5. All major joints - wall to wall, wall to ceiling, wall to floor shall be caulked or gasketed to prevent air infiltration.

6. The wall insulation shall be kraft backed R-13 and will be installed without voids, gaps, or compression.

7. N/A

8. The walls shall be painted with latex, low VOC paint.

9. Housewrap applied over exterior sheathing.

10. All exterior penetrations (vents, lights, outlets, etc.) shall be flashed with ice and water shield 12” wide around penetration. Refer to Appendix 'A' for window and door flashing details.

11. Wall interiors shall be faced with 1/2" Gold Bond XP gypsum board with paint or equvalent installed per

ASTM C840 and GA-216.

12. When gypsum is installed horizontally a 1/8" x 3" continuous plywood backer strip shall be installed at the horizontal joint. Fasten to each stud with 2- 7/16 x 15 GA staples (min. 1" penetration).

REV 02-03-25. Feb 03, 2025

/4

E2

H O

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E

(IF

A

PP

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PA

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S

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E

(IF

A

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AB

LE

1/

BEDROOM #1

OPTIONAL VERTICAL WALL BOARD PANEL BREAKS

SEE NOTE 12.

TITLE:

FEMA Manufactured Housing Units Federal Emergency Management Agency

COMPANY:

REAR END WALL FRAMING AND

Scale: 3/8" = 1'-0"

DRAWING NO.

D-8F-17.2INTERIOR SHEATHING

APPENDIX D

Express MHU (Furnace)

Date: 03/25/2020

Wall Framing Notes

1. The exterior wall framing shall be 2 x 4 nominal #2 SPF at 24” o.c.

2. Wall framing shall be 7'-6” from floor to ceiling.

3. Sidewall top plates shall be single 2 x 4 nominal #2 SPF.

4. Sidewall bottom plate shall be single 1 x 4 nominal SPF.

5. All major joints - wall to wall, wall to ceiling, wall to floor shall be caulked or gasketed to prevent air infiltration.

6. The wall insulation shall be kraft backed R-13 and will be installed without voids, gaps, or compression.

7. N/A

8. The walls shall be painted with latex, low VOC paint.

9. Housewrap applied over exterior sheathing.

10. All exterior penetrations (vents, lights, outlets, etc.) shall be flashed with ice and water shield 12” wide around penetration. Refer to Appendix 'A' for window and door flashing details.

11. Wall interiors shall be faced with 1/2" Gold Bond XP gypsum board with paint or equvalent installed per ASTM C840 and GA-216.

12. When gypsum is installed horizontally a 1/8" x 3" continuous plywood backer strip shall be installed at the horizontal joint. Fasten to each stud with 2- 7/16 x 15 GA staples (min. 1" penetration). REV 02-03-25

90SI

D

EW

AL

L

SI

D

EW

AL

L

68 1/2 I-BEAM SPACING

24242424

SI

D

EW

AL

L

SI

D

EW

AL

L

68 1/2 I-BEAM SPACING

2424 2424

7/16" OSB ON EXTERIOR SIDE FASTENED

WITH 0.131x2-1/2" NAILS AT 6" OC ON

EDGES (DOUBLE STUDS REQUIRED AT

PANEL EDGES).

SHEATHING FASTENED TO TRUSS PER

SHEARWALL SCHEDULE

#8x4" SCREWS @ 5-1/4" OC

THRU TRUSS INTO TOP

PLATE. (STAGGER

FASTENERS). SEE NOTE 10.

(1) 2x4 TOP PLATE

#8x4 1/2" MIN.

SCREWS @ 10-1/2"

OC INTO SIDEWALL

STUD.

#8x4" SCREWS @

5-1/4" OC THRU

BOTTOM PLATE INTO

END FLOOR JOIST

10"x9# HEADER

2-2x8 #2 SPF

SHEARWALL JOISTS

1x4 BOTTOM PLATE

E2E1 FRONT SHEARWALL REAR SHEARWALL

SEE STRAP DETAIL BELOW

SEE NOTE 9.

SEE NOTE 9.

SEE NOTE 9.

END TRUSSES ONLY - ADD VERTICALS TO

MAINTAIN 24" O.C. SPACING. ADDED VERTICALS

SHALL BE 2X4 #2 SPF. FASTEN WITH 2 - 0.131x3"

NAILS TOED EACH CONNECTION.

/2 2x

LA

YF

LA

T

FO

R G

R

AB

B

AR

SEE STRAP

DETAIL BELOW

SEE NOTE 9.

SEE NOTE 9.

SEE NOTE 9.

SEE STRAP

DETAIL BELOW

(3) 1 1/2"x12"x26 ga.

straps w/ (6) 15 ga.

staples (1" min.

penetration) each end of strap.

See note 9.

TITLE:

FEMA Manufactured Housing Units Federal Emergency Management Agency

COMPANY:

Scale: 3/8" = 1'-0"

Date: 03/25/2020 DRAWING NO.

D-8F-18.1

SHEARWALL FRAMING AND

STRAP DETAIL

Scale: 1" = 1'-0"

EXTERIOR SHEATHING

APPENDIX D

Express MHU (Furnace)

Shearwall Notes

1. Shearwall joists shall be 2 - 2 X 8 #2 SPF.

2. Shearwall shall be lagged to 10" x 9 lb. header with five (5) equally spaced, Fastec 9mm x 76mm listed lags or lags equivalent.

3. 7/16" (24/16 span index) OSB shearwall sheathing shall be continuous over the shearwall joist and fastened with one (1) row of .131 x 3" nails at 6" o.c.

4. OSB shearwall sheathing shall be fastened to studs with .131 x 2" nails at 6" o.c. at edges and 12" o.c. in field.

5. OSB shearwall sheathing shall be continuous over the truss bottom chord and fastened one (1) row of .131 x 2" nails at 6" o.c.

6. Backers shall be #3 SPF min. and size as shown on drawings

7. Shearwall OSB sheathing to be overlaid with 19/32” thick LP SmartSide® panel (cedar texture) or equivalent.

8. 19/32” thick LP SmartSide® panel or equivalent shall be fastened with 0.113 diameter galvanized nails with a minimum 0.270-inch diameter head, minimum

1 ½ inch penetration into framing members. Fasteners to be spaced 3 inches o.c. at panel edges and 8 inches o.c. at intermediate framing members.

Nominal 1/4" bead of UL listed fire rated caulk required at all vertical joints.

9. Strap the first two sidewall studs with 1 1/2"x12"x26 ga. strap w/ (6) 15 ga. staples (1" min. penetration) each end of strap.

10. Truss to truss bottom chord fastening NOT required for double trusses over end shearwalls. Truss bottom chord fastening to top plate to be staggered from one truss bottom chord to the other truss bottom chord.

11. N/A

12. See Appendix A, Detail F.2 for clarification of shearwall OSB sheathing joint and fastening.

REV 9-8-22

1/

EXT. DOORWINDOW

48 21 1/2 37 1/4 DOOR HDR

30 1/2

WINDOW 4814 37 3/4

WINDOW

30 1/2

WINDOW36 3/4

37 1/4 78 1/489 3/4 30 1/2 30 1/2 48

8 10

/2

/2

H O

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(IF

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HORIZONTAL

WALLBOARD

LAYOUT

VERTICAL

WALLBOARD

LAYOUT

OPTIONAL

117 1/2

48 41 1/24627 3/4

83 3/460 1/2 NO WALLBOARD

60 1/2 NO WALLBOARD

W/H

3060E3027 3680

FIXED PANE

F

0"

/4

2' -0

'-0

"4' -0

8' -0

'-0

'-0

30 1/2

/2

'-1

3/

4"

'-0

'-0

'-1

1/

4"

'-1

0"

'-0

'-0

K

.S

IN

K

1/

/4

S1

H

IT

C H

E N

D

'-0

'-5

/2

'-0

'-0

'-0

'-0

'-0

'-1

1/

4"

'-0

'-3

/4

'-0

'-0

'-0

30 1/2

/2

1/

/4

BA

C

KE

R

U P

BA

C

KE

R

U P

BA

C

KE

R

U P

BA

C

KE

R

U P

BA

C

KE

R

U P

BA

C

KE

R

U P

BA

C

KE

R

U P

BA

C

KE

R

U P

O H

EA

D

C

AB

IN

ET

S

O

VE

R H

EA

D

C

AB

IN

ET

S

'-2

/4

'-6

/4

O

H

EA

D C

AB

IN

ET

S

O

H

EA

D C

AB

IN

ET

S

6' -0

9' -7

/4

3' -0

'-0

/4

'-4

/2

10 1/2

R

AN

G

E

VE

N T 3

7/

DRYER VENT HOLE

37 1/4

/4

3/

/2

2x6

BCKR

UP

2x6

BCKR

UP

S

H O

W

ER

SEE NOTE 12.

SEE NOTE 12.

SEE NOTE 12.

SEE NOTE 12.

SEE NOTE 12.

'-6

/2

'-0

(1) 1 1/2"x12"x26 GA. STRAP W/ (6) 15 GA.

STAPLES (MIN. 1" PENETRATION) EACH

END OF STRAP. (SEE NOTE 12 ALSO)

(1) 1 1/2"x12"x26 GA. STRAP W/ (6) 15 GA.

STAPLES (MIN. 1" PENETRATION) EACH

END OF STRAP. (SEE NOTE 12 ALSO)

SEE NOTE 12.

SEE NOTE 22.

TITLE:

FEMA Manufactured Housing Units Federal Emergency Management Agency

COMPANY:

FRONT DOOR SIDEWALL

Scale: 3/16" = 1'-0"

Date: 03/25/2020 DRAWING NO.

D-8F-19

APPENDIX D

Express MHU (Furnace)

Wall Framing Notes

1. The exterior wall framing shall be 2 x 4 nominal #2 SPF at 24” o.c.

2. Wall framing shall be 7’-6” from floor to ceiling.

3. Sidewall top plates shall be single 2 x 4 nominal #2 SPF.

4. Sidewall bottom plate shall be single 1 x 4 nominal SPF.

5. All major joints – wall to wall, wall to ceiling, wall to floor shall be caulked or gasketed to prevent air infiltration.

6. The wall insulation shall be kraft backed R-13 and will be installed without voids, gaps, or compression.

7. Siding shall be 19/32” thick LP SmartSide® panel (cedar texture) or equivalent.

8. The walls shall be painted with latex, low VOC paint.

9. Headers shall be (2) 2 x 4 #2 SPF flat or equal fastened together with 80% adhesive and 7/16 x 2 ½ x 15 GA staples or .131 x 3” pd nails, 2 rows @ 6” o.c.

10. Housewrap applied over exterior sheathing.

11. All exterior penetrations (vents, lights, outlets, etc.) shall be flashed with ice and water shield 12” wide around penetration. Refer to Appendix 'A' for window and door flashing details.

12. Fasten stud to floor edge rail and roof edge rail with one (1) 1 ½” x 12” x 26ga strap w/ (6) 15ga staples (1" min.

penetration) each end of strap. Straps spaced at 48" o.c.

13. Vertical tie-down connectors or equivalent to be installed 2’ from each end of home and spaced 4'-0" o.c. maximum.

See D-8B-29.2.

14. Grab bar backers to be centered at grab bar mounting height.

15. Toilet paper holder backer to be centered at toilet paper holder mount height.

16. Range hood through wall size and location may vary. Manufacturer to verify size and location from range hood vendor that will be used. Range hood vent screen shall have minimum of 1/16 inch, but not to exceed 1/8-inch openings, and shall comply with R337.6 of the 2019 California Residential Code.

17. Gypsum to be jointed above all doors in line with jambs.

18. Gypsum to be jointed above and below all windows in line with jambs.

19. Wall interiors shall be faced with 1/2" Gold Bond XP gypsum board with paint or equivalent installed per ASTM C840 and GA-216.

20. 7/16” thick LP SmartSide® panel or equivalent shall be fastened with 0.113 diameter galvanized nails with a minimum 0.270-inch diameter head, minimum 1 ½ inch penetration into framing members. Fasteners to be spaced 3 inches o.c. at panel edges and 8 inches o.c. at intermediate framing members. Nominal 1/4" bead of UL listed fire rated caulk required at all vertical joints.

21. Backers shall be #3 SPF min. and size as shown on drawings.

22. When gypsum is installed horizontally a 1/8" x 3" continuous utility grade plywood backer strip shall be installed at the horizontal joint. Fasten to each stud with 2- 7/16 x 15 GA staples (min. 1" penetration). REV 02-03-25

1/

EXT. DOORWINDOW

4837 1/4 DOOR HDR

30 1/2

WINDOW48

WINDOW

30 1/2

WINDOW19 1/2

37 1/463 3/4 30 1/2131 3/4

/2

H O

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E

(IF

A

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LI

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H O

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IZ

O N

TA

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PA

N

EL

S

IZ

E

(IF

A

PP

LI

C

AB

LE

HORIZONTAL

WALLBOARD

LAYOUT

VERTICAL

WALLBOARD

LAYOUT

OPTIONAL177 1/2

32 3/448 48

46 3/430 1/2

/2

33 1/246 3/432

30603060

4825 1/4

0"

/4

2' -0

'-0

" 4' -0

8' -0

37 1/4

/4

'-0

'-1

3/

4"

'-9

/2

'-8

/2

'-0

H

IT

C H

E N

D

'-2

'-0

'-0

'-0

'-0

'-0

30 1/2

/2

/4

BA

C

KE

R

U P

'-0

'-0

30 1/2

/2

/4

/2 G

R

AB

B

AR

BA

C

KE

R

U P

BA

C

KE

R

U P

'-0

'-0

'-0

'-0

'-0

/4

'-9

/2

6' -0

9' -7

/4

T

O W

EL

B

AR

T

.P

1x

BA

C

KE

R

D O

W N

(T R

AN

SP

O N

D

ER

'-8

/4

'-0

'-0

'-3

/4

P

AN

TR

Y 72 P

AN

TR

Y

S

H

EL

F

/2

/2

A

LT

. U

FA

S

SH

EL

F

LO

C

AT

IO

N

BKR

UP

2X6

BACKER

UP

2X6 64

BKR

UP

2X6

BACKER

UP

2X6

BACKER

UP

2X6

BACKER

UP

2X6

S2

1/

1/

3/

SEE NOTE 12.

SEE NOTE 12.

SEE NOTE 12.

SEE NOTE 12.

SEE NOTE 12.

1x

BA

C

KE

R

D O

W N

(T R

AN

SP

O N

D

ER

'-0

SEE NOTE 12.

(1) 1 1/2"x12"x26 GA. STRAP W/ (6) 15 GA.

STAPLES (MIN. 1" PENETRATION) EACH

END OF STRAP. (SEE NOTE 12 ALSO)

(1) 1 1/2"x12"x26 GA. STRAP W/ (6) 15 GA.

STAPLES (MIN. 1" PENETRATION) EACH

END OF STRAP. (SEE NOTE 12 ALSO)

'-0

2x6 SPRINKLER

HEAD BACKER

2x6 SPRINKLER

HEAD BACKER

2x4 SPRINKLER

HEAD BACKER

SEE NOTE 22.

TITLE:

FEMA Manufactured Housing Units Federal Emergency Management Agency

COMPANY:

BACK DOOR SIDEWALL

Scale: 3/16" = 1'-0"

Date: 03/25/2020 DRAWING NO.

D-8F-20

APPENDIX D

Express MHU (Furnace)

Wall Framing Notes

1. The exterior wall framing shall be 2 x 4 nominal #2 SPF at 24” o.c.

2. Wall framing shall be 7’-6” from floor to ceiling.

3. Sidewall top plates shall be single 2 x 4 nominal #2 SPF.

4. Sidewall bottom plate shall be single 1 x 4 nominal SPF.

5. All major joints – wall to wall, wall to ceiling, wall to floor shall be caulked or gasketed to prevent air infiltration.

6. The wall insulation shall be kraft backed R-13 and will be installed without voids, gaps, or compression.

7. Siding shall be 19/32” thick LP SmartSide® panel (cedar texture) or equivalent.

8. The walls shall be painted with latex, low VOC paint.

9. Headers shall be (2) 2 x 4 #2 SPF flat or equal fastened together with 80% adhesive and 7/16 x 2 ½ x 15 GA staples or .131 x 3” pd nails, 2 rows @ 6” o.c.

10. Housewrap applied over exterior sheathing.

11. All exterior penetrations (vents, lights, outlets, etc.) shall be flashed with ice and water shield 12” wide around penetration. Refer to Appendix 'A' for window and door flashing details.

12. Fasten stud to floor edge rail and roof edge rail with one (1) 1 ½” x 12” x 26ga strap w/ (6) 15ga staples (1" min. penetration) each end of strap. Straps spaced at 48" o.c.

13. Vertical tie-down connectors or equivalent to be installed 2’ from each end of home and spaced 4'-0" o.c. maximum. See D-8B-29.2.

14. Grab bar backers to be centered at grab bar mounting height.

15. Toilet paper holder backer to be centered at toilet paper holder mount height.

16. Gypsum to be jointed above all doors in line with jambs.

17. Gypsum to be jointed above and below all windows in line with jambs.

18. Sprinkler head backer location may vary based on sprinkler design.

19. Wall interiors shall be faced with 1/2" Gold Bond XP gypsum board with paint or equivalent installed per ASTM C840 and GA-216.

20. 19/32” thick LP SmartSide® panel or equivalent shall be fastened with 0.113 diameter galvanized nails with a minimum 0.270-inch diameter head, minimum 1 ½ inch penetration into framing members. Fasteners to be spaced 3 inches o.c. at panel edges and 8 inches o.c.

at intermediate framing members. Nominal 1/4" bead of UL listed fire rated caulk required at all vertical joints.

21. Backers shall be #3 SPF min. and size as shown on drawings.

22. When gypsum is installed horizontally a 1/8" x 3" continuous utility grade plywood backer strip shall be installed at the horizontal joint. Fasten to each stud with 2- 7/16 x 15 GA staples (min.

1" penetration).

REV 02-03-25

'-0

'-0

'-0

'-0

'-0

'-0

'-0

'-0

'-0

'-0

'-0

'-0

" 0"

'-8

'-0

M O

VE

T

R U

SS

'-6

/4

'-0

'-0

'-0

2' -0

" 0"

48" 48" 48" 48" 48" 48" 48" 48" 48" 48" 48" 24"

CEILING BOARD LAYOUT

8' -0

6' -0

4' -0

DRAWING NOTES

· START WITH A 32" CUT PIECE OF CEILING BOARD AT REAR OF HOME

· 1x4 OR PLANT STANDARD CEILING BACKERS FOR WALL TIE-IN.

· ALL DUCTS TO BE MINIMUM R-4.

PANEL BOX

'-0

'-0

'-0

AD

D

T R

U

SS

'-1

1/ 4"

FU

R

N

AC

E M

IX

ER

B O

X

48 48

SC

9'-73 4" 6'-21

2"14'-113 4"29'-91

4"

6'-4"12'-8"

24'-8"

23'-4"

27'-3"

38'-4"

43'-4"

38'-31 4"

4' -0

4'-8"40'-8"

4' -0

20'-8"

6' -0

32'-8"

3' -2

3"" OVERHANG

3"" OVERHANG

SC

" V

TR

2x4x12" #2 SPF blocks at 2'-0" O.C.

2x4x12" #2 SPF blocks at 2'-0" O.C.

31'-4"

24"

37'-01 4"

39'-91 2"

36'-73 4" (2x6x48")

4" (2x6x84")

39'-5" (2x6x24")

FACIA SPLICE EDGE RAIL SPLICE

3" X 4" X 20 GA.

Metal connector plate, one each side

Min 2" X 4" X 14" block centered over splice +/- 1/4" and fastened with 80% coverage PVA adhesive and 4-.131x3" nails each side of splice

4" X 4" X 20 GA.

Metal connector plate, one each side

Min 2" X 6" X 14" block centered over splice +/- 1" and fastened with 80% coverage PVA adhesive and 6-.131x3" nails each side of splice

2x6 edge rail2x4 Fascia

2x4 Fascia 2x6 edge rail

FEMA Manufactured Housing Units Federal Emergency Management Agency

COMPANY:

ROOF FRAMING LAYOUT

Scale: 3/16" = 1'-0"

DRAWING NO.

D-8F-21

Roof Framing Notes

1. The roof trusses shall be spaced at 24” o.c. maximum.

2. Overall shipping width shall not exceed 8'-6".

3. The roof pitch shall be nominal 4:12.

4. The attic insulation shall be R-38 blown insulation.

5. The roof sheathing shall be at least 7/16” structurally rated OSB with 24/16 index minimum span rating.

6. Roof felt shall be 2 layers of 15# felt or 1 layer of 30# felt or equivalent synthetic underlayment.

7. The roof covering shall be cemented to the roof decking with 6” wide strip cement, around the perimeter.

8. Ice and water shield, per ASTM D1970 to be self-adhering rubberized asphalt 40 mils minimum thick shall be installed (36” width from eaves).

9. The roof shall have a light or white colored composition 240# architectural style shingle.

10. Ridge vent shall be Class A rated. Vent opening in ridge vent shall have a minimum of 1/16 inch, but not to exceed 1/8 inch openings, or equivalent and comply with R337.6 of the 2019 California Residential Code.

11. The roof sheathing shall span at least 2 truss bays.

12. 24” x 24” ice and water shield shall be installed around all roof penetrations.

13. All roof penetrations shall be capped with a galvanized or aluminum metal cap.

14. Foam baffles designed for 16” o.c. truss spacing to be used to maintain 1” air gap between the roof decking and insulation.

15. All framing members to be #2 SPF or equal.

16. N/A

17. N/A

18. Foam nail polyurethane structural foam adhesive, or equivalent, to be installed per dead load test fastening requirements.

19. Roof trusses must be aligned with studs below.

Sheathing to truss (for optional blocked diaphragm see note 17)

DESCRIPTION FASTENER APPLICATION

FASTENING SCHEDULE - ROOF

0.131 x 2" nail

Blocking to truss 2 each at each end.7/16"C x 2-1/2"L x 15Ga staple

Gypsum ceiling to truss Foam adhesive (as per installation instructions.)

Lay flat to gypsum ceiling - Lay flats shall be #3 SPF min. and size as shown on drawings.

Tack in place with foam adhesive.

Fascia to truss (3) each, 7/16"C x 2-1/2"L x 15Ga. staples through fascia Edge rail to truss (5) 7/16"C x 2-1/2"L x 15Ga. staples or (3) .131 x 3" nails

Edge rail to top plate 0.131 x 3-1/2" nails or #8x 4" screws @ 12" o.c. toed.

Strap to edge rail See sidewall drawings for type & quantity of fasteners.

Top plate to truss. 1 each0.131 x 3" nail

1 eachOR #8 x 4" screw 6" o.c. edge / 12" o.c.

field into each truss.

APPENDIX D

Express MHU (Furnace)

Date: 03/25/2020

REV 06-03-22

- ATTIC RIDGE VENT (INSTALL PER MANUFACTURER'S

INSTALLATION INSTRUCTIONS.

2'-117 16" 8'-0"

6'-117 16" 8'-0"

2'-117 16"6'-8"8'-0"

2'-117 16"6'-8"

5'-77 16"

16'-97 16"15'-0"

48'-67 8"

16'-97 16"

8'-0" 8'-0" 8'-0" 8'-0"

8'-0" 8'-0" 8'-0"

8'-0"8'-0"8'-0"6'-117 16"

SEE GAP DETAIL BELOW

15 LINEAR FEET OF CERTAINTEED 9" FILTER CLASS A

FIRE RATED RIDGE VENT OR EQUIVALENT, CENTERED

ON ROOF. (16 SQ. IN. NET FREE VENT AREA PER FOOT)

SEE NOTE 8 (TYP. 4 PLACES)

1" GAP 1" GAP

2" GAP TOTAL

GAP DETAIL - ROOF DECKING AT RIDGE VENT LOCATION

SCALE 1/2" = 1'

233 4"

283 4"

8" W/O RIDGE VENT

23 3 4"

28 3 4"

8" W/O RIDGE VENT

FEMA Manufactured Housing Units Federal Emergency Management Agency

COMPANY:

ROOF SHEATHING LAYOUT

Scale: 3/16" = 1'-0"

Date: 03/25/2020 DRAWING NO.

D-8F-22

NOTE: ROOF DECKING CUT BACK ONLY AT RIDGE VENT AREA

APPENDIX D

Express MHU (Furnace)

Roof Edge Detail Notes

1. The roof sheathing shall be at least 7/16” structurally rated OSB with

24/16 index minimum span rating.

2. Decking cuts include endwall overhangs.

3. Use roof decking off-fall for roof wind diverters.

4. H clips shall be used at all joints between trusses.

5. Roof underlayment shall be a minimum of 15-pound asphalt felt. Typical manufactured housing full width paper underlayment is not acceptable.

6. Asphalt shingles shall be Class A rated and comply with R337.5 of the 2019 California Residential Code.

7. Ridge vent shall be Class A rated. Vent openings in ridge vent shall have a minimum of 1/16-inch, but not to exceed 1/8-inch openings, and comply with R337.6 of the 2019 California

Residential Code.

8. Roof low vents shall be metal roof pods, Class A rated, minimum 50 square inches of free air area. Metal roof pods shall have a minimum of 1/16-inch, but not to exceed 1/8-inch openings, and comply with R337.6 of the 2019 California Residential Code. Metal roof pods shall be evenly spaced along length of MHU and approximately 16 inches from edge of roof to centerline of metal roof pod.

REV 11-29-21. Feb 03, 2025

FURNACE PLENUM

4"

TRUSS @ 24" O.C.

GYPSUM CEILING BOARD

2x4 SIDEWALL STUD

2x4 FASCIA BOARD

SHINGLES W/ ICE AND

WATER SHIELD AND

ROOF UNDERLAYMENT.

ROOF DECKING

DRIP EDGE

METAL FASCIA

19/32" LP SMARTSIDE

PANELING OR

EQUIVALENT

CONTINUOUS

SOFFIT.

2x4 SIDEWALL TOP PLATE

1 4"

H

EE

L H

EI

G

H T

SHINGLE/TIP OF

DRIP EDGE

FOAM OR PLASTIC

BAFFLES TO MAINTAIN

1" AIR SPACE

2x6 ROOF EDGE RAIL

7'-6"

8'-0"

3"

19/32" LP SMARTSIDE

PANELING OR

EQUIVALENT

WEATHER RESISTANT

BARRIER

SEE NOTE 7.

GABLE ENDWALL OVERHANG DETAIL

TRUSS

TOP

CHORD

MIN. 2X3

2X4 #2 SPF

FASCIA BOARD.

FASTEN TO

BLOCKING WITH

(6) 7/16"X2 1/2"X

15GA STAPLES.

2X4X12" #2 SPF

BLOCKS AT 2'-0"

O.C. FASTEN TO

TRUSS TOP

CHORD WITH (6)

7/16"X2 1/2"X

15GA STAPLES .

7/16" OSB

STRUCTURALLY

RATED 24/16

SPAN INDEX

19/32" SMARTSIDE

PANELING OR

EQUIVALENT

3"

METAL DRIP

EDGE

19/32" LP

SMARTSIDE

PANELING OR

EQUIVALENT

CONTINUOUS

SOFFIT.

METAL FASCIA

FEMA Manufactured Housing Units Federal Emergency Management Agency

COMPANY:

ROOF OVERHANG DETAIL

Date: 03/25/2020 DRAWING NO.

D-8F-23

Note:

Fasteners to be a minimum of ½” to a maximum of 1” from the top or bottom of the truss top chord or 2x4 fascia.

Fasteners to be staggered top and bottom.

APPENDIX D

Express MHU (Furnace)Scale: 1-1/2" = 1'-0"

Roof Overhang General Notes

1. The roof trusses shall be spaced at 24” O.C. with a 3” overhang. Overall shipping width shall not exceed 8.5 feet.

2. The roof pitch shall be nominal 4:12.

3. The attic insulation shall be R-38 blown.

4. Foam baffles designed for 24” o.c. truss spacing to be used to maintain 1” air gap between the roof decking and insulation.

5. Metal roof pods, Class A rated, shall provide the free air area required by 3280.504(d)(1)(i).

6. R Value per inch is a minimum of 2.81.

7. Roof low vents shall be metal roof pods, Class A rated, minimum 50 square inches of free air area. Metal roof pod vent screens shall have a minimum of

1/16-inch, but not to exceed 1/8-inch openings, and comply with R337.6 of the 2019 California Residential Code. Metal roof pods shall be evenly spaced along length of MHU and approximately 16 inches from edge of roof to centerline of metal roof pod. REV 11-29-21 . Feb 03, 2025

BACK DOOR SIDE ELEVATION

HITCH END ELEVATION TAIL END ELEVATION

FRONT DOOR SIDE ELEVATION

BACK DOOR

ANGLE RAIN DIVERTER OVER DOOR

RIDGE VENT (TYP.)

TRANSPONDER

INTERIOR FLOOR LINE

OUTSIDE

CONDENSER

UNIT WITH

PROTECTIVE

COVER

ANGLE RAIN DIVERTER OVER DOOR

RIDGE VENT (TYP.)

PEEP

HOLES

FRONT DOOR

INTERIOR FLOOR LINE

3" 3"

'-6 " M

AX

T

O T

O P

O F

R

ID

G E

VE

N

T

8'-6" EAVE TO EAVE MAX.

3" 3"

'-6

" M

AX

T O

T O

P O

F R

ID

G

E

VE

N T

8'-6" EAVE TO EAVE MAX.

24"

DRYER VENT.

SHINGLES COVERED BY PLASTIC WRAP

SHINGLES COVERED BY PLASTIC WRAP

OSB FROM BOTTOM OF SHINGLES

TO TOP OF ROOF

OSB FROM BOTTOM OF

SHINGLES TO TOP OF ROOF

12"HUD LABEL: APPROX. 12" UP FROM

FLOOR AND 12" FROM ROADSIDE.

OSB STRIPS FROM BOTTOM OF THE

SIDING TO BOTTOM OF THE EAVE

OSB WIND DIVERTERS

HOSE BIB

OUTSIDE

CONDENSER

UNIT WITH

PROTECTIVE

COVER

TPS ELECTRICAL CONNECTION.

SEE D-8F-6, GENERAL NOTE 2.

METAL ROOF POD (TYP. 4 PLACES)

METAL ROOF POD (TYP. 4 PLACES)

8'-0"

EXTERIOR

RECEPT.

(GFCI)

8'-0"

AC DISCONNECT

EXTERIOR

LIGHT

EXTERIOR

LIGHT

PEEP

HOLES

EXTERIOR RECEPTACLE (GFCI)

RANGE EXHAUST FAN

SERVICE ENTRANCE CONDUIT

FEMA Manufactured Housing Units Federal Emergency Management Agency

TITLE: VERSION:

TRANSIT PROTECTION DETAILS

Scale: 1/8" = 1'-0"

Date: 03/25/2020 DRAWING NO.

D-8F-27

APPENDIX D

Express MHU (Furnace)

Transit Protection Detail Notes

1. Temporary wind guards for shingles shall be installed on the MHU exterior.

2. Shingle wind guards shall be made of OSB.

3. Shingle wind guards shall not extend above the maximum transportation height.

4. Shingles shall be secured with a plastic wrap on the first 10' of the MHU from the hitch end.

5. OSB off-fall from roof decking may be used for roof wind diverters.

REV 11-15-23 . Feb 03, 2025

2 REAR SIDE MARKER LAMPS, ONE ON

EACH SIDE, PHOTOMETRICALLY

CERTIFIED AT INSTALLATION ANGLE,

AT 45" HEIGHT ABOVE GROUND.

2 REAR SIDE REFLEX REFLECTORS, ONE

ON EACH SIDE, FACING SIDEWARDS AT

45" HEIGHT ABOVE GROUND.

2 TAIL LAMPS, 2 STOP LAMPS, 2 REAR TURN

SIGNAL LAMPS, SYMMETRICALLY PLACED AT 45"

HEIGHT ABOVE GROUND. MIN. 2 REAR RELEX

REFLECTORS, SYMMETRICALLY PLACED, FACING

REARWARD.

LICENSE PLATE LAMP

PLACED ABOVE OR

ON EITHER SIDES OF

THE LICENSE PLATE

3 REAR IDENTIFICATION LAMPS AT THE CENTER

SPACED 12" C-C AS HIGH AS POSSIBLE.

REAR CLEARANCE LAMP AT WIDEST POINT FACING

REARWARD AT 16" FROM TOPMOST POINT.

MIN. 2 INTERMEDIATE SIDE REFLEX REFLECTORS, NEAR THE

CENTER, FACING SIDEWARDS AT 45" HEIGHT ABOVE GROUND.

2 REAR SIDE REFLEX REFLECTORS, ONE ON EACH SIDE,

FACING SIDEWARDS AT 45" HEIGHT ABOVE GROUND.

MIN. 2 INTERMEDIATE SIDE MARKER LAMPS, NEAR THE

CENTER, FACING SIDEWARDS AT 45" MIN. HEIGHT

ABOVE GROUND.

FRONT SIDE REFLEX REFLECTORS, ONE

ON EACH SIDE, FACING SIDEWARDS

FRONT SIDE MARKER LAMPS, ONE ON

EACH SIDE, PHOTOMETRICALLY

CERTIFIED AT INSTALLATION ANGLE AT

45" HEIGHT ABOVE GROUND.

FRONT CLEARANCE LAMPS AT WIDEST POINT

FACING FORWARD AT 16" FROM TOPMOST POINT.

2 FRONT SIDE MARKER LAMPS, ONE ON EACH SIDE PHOTOMETRICALLY

CERTIFIED AT INSTALLATION ANGLE AT 45" HEIGHT ABOVE THE GROUND.

2 FRONT SIDE REFLEX REFLECTORS ONE ON EACH SIDE

FACING SIDEWARDS AT 45" HEIGHT ABOVE GROUND.

REAR CLEARANCE LAMP AT WIDEST POINT

FACING REARWARD AT 16" FROM TOPMOST

POINT.

FLOOR PLAN

SCALE: 3/16" = 1'

F

HITCH END ELEVATIONTAIL END ELEVATION FRONT DOOR SIDE ELEVATION

FRONT CLEARANCE

LAMPS

TAIL LAMP,

STOP LAMP,

TURN SIGNAL

LAMP

REAR REFLEX

REFLECTOR

LICENSE PLATE

LAMP (ABOVE

THE PLATE)

REAR SIDE MARKER LAMP

REAR SIDE REFLEX REFLECTOR

SCALE: 1/8" = 1' SCALE: 1/8" = 1' SCALE: 1/8" = 1'

MIN. 2 INTERMEDIATE

SIDE MARKER LAMPS

FRONT SIDE MARKER LAMP

FRONT SIDE REFLEX REFLECTOR

MIN. 2 INTERMEDIATE SIDE

REFLEX REFLECTORS

TRANSPORTATION LIGHTING

TITLE:

Scale: N/A

Date: 03/25/2020FEMA Manufactured Housing Units Federal Emergency Management Agency

DRAWING NO.

D-8F-28

APPENDIX D

Express MHU (Furnace)

General Notes

1. Battery box and wiring shall be installed per specs.

2. The 8' wide Express unit shall be equipped with a permanent lighting per USDOT NHTSA FMVSS 571.108.

3. The 8' wide Express unit shall be able to be transported without special permits.

4. All wire penetrations of the 7/16-inch LP SmartSide paneling or equivalent shall be caulked with a fire caulk. REV 9-8-20

PIERS FRAME TIEDOWNS

2'-0"

MAX

TIEDOWN

SPACING

PER CHART

TYPICAL SIDE ELEVATION SHOWING TIEDOWN SPACINGS.

Tiedowns are based on roof diaphragm spanning the entire length of the unit (48'-0" Max) (i.e. Based on uplift and load into floor diaphragm only).

Therefore tiedowns are required at each end for end shearwall overturning and lateral forces as follows.

2'-0"

MAX

TIEDO…