2.1.1 Attachment 3 - Express NextGen CAD Drawings HVAC Wall Mounted - FEB-03-2025 PE Sealed.pdf

MANUFACTURED HOUSING UNIT

FEDERAL EMERGENCY MANAGEMENT AGENCY

NEXTGEN EXPRESS UNIT

(HVAC WALL MOUNTED PACKAGE SYSTEM)

FEBRUARY 3, 2025

COVER PAGE

TITLE:

Scale: NTS

6/28/2019FEMA Manufactured Housing Units Federal Emergency Management Agency

DRAWING NO.

Express MHU (Package System) 8B-1.1

REV 02-03-25

. Feb 03, 2025

Attachment 3

INDEX

Dwg. No. Title 8B-1.1 Cover Page 8B-1.2 Index 8B-1.3 General Notes 8B-2 Floor Plan 8B-3 Door and Window Schedule 8B-4.1 Furniture Plan 8B-4.2 Installed Furniture Layout 8B-5 UFAS Layout 8B-6 Electrical Plan 8B-7 Water Lines 8B-8 Drain Lines 8B-9 HVAC Design and Overhead Duct Layout 8B-10 Elevations 8B-11.1 Chassis 8B-11.2 Chassis Details 8B-12 Floor Framing Layout 8B-13 Floor Decking Layout 8B-14 Interior Wall/Back Panel Layout 8B-15 Reserved 8B-16.1-.15 Interior Walls 8B-17.1&.2 End Wall Framing and Interior Sheathing 8B-18.1 Front Shearwall Framing and Exterior Sheathing 8B-18.2 Rear Shearwall Framing and Exterior Sheathing 8B-19 Front Door Sidewall 8B-20 Back Door Sidewall 8B-21 Roof Framing Layout 8B-22 Roof Sheathing Layout 8B-23 Roof Overhang Detail 8B-24.1 Kitchen Elevations 8B-24.2 Bathroom Elevations 8B-24.3 Reserved 8B-25.1 Sprinkler System Layout 8B-25.2 Sprinkler System Details 8B-26 Ship Loose Layout 8B-27 Transit Protection Details 8B-28 Transportation Lighting 8B-29.1 Tie Down System 8B-29.2 Exterior Wall Tie Down Details 8B-30 Double Stack Pier Layout & Details

INDEX

TITLE:

Scale: NTS

6/28/2019FEMA Manufactured Housing Units Federal Emergency Management Agency

DRAWING NO.

Express MHU (Package System) 8B-1.2

REV 03-03-21

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

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 3 Requirements of 24 CFR 3280 Wood Roof Diaphragm Wall Height: 7'-6"

GENERAL NOTES

TITLE:

Scale: NTS

Date: 6/28/2019FEMA Manufactured Housing Units Federal Emergency Management Agency

DRAWING NO.

Express MHU (Package System) 8B-1.3

WD

REFER

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

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" 5'-111

2" 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

3"

1 2"

1 2"

1 2"

5" 251 2" 3"

2' -0

4"

2"

RANGE HOOD

RANGE

FIXED PANE

4 SHLVS

HVAC

PACKAGE

SYSTEM

4"

2"

9'-2"

SHEARWALLS - WIND ZONE 3

NO. LENGTH PLF

64" 9572 96" 637

SIDEWALL HEIGHT = 90"

TRUSS VERTICAL PROJECTION = 9 14"

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.

SHEAR WALLS WIND ZONE 3

DESIGNATES A 2X4 INTERIOR WALL

DESIGNATES A 2X6 INTERIOR WALL

70.1 SQ. FT.

150.0 SQ. FT.

W/H

BATH

KITCHEN

LIVING/DINING AREA

BEDROOM

14'-91

2"

PANTRY

28"

20'-13 4"

24"

31'-10"

1 2"

1 2"

7"

4" 24"

8" 251 2" 11

2"

4"

1 2" 2"

LIVING DINING

WASHER/DRYER AREA

OPTIONAL DEHUMIDIFIER -

SEE APPENDIX A, PAGE A-35.

FLOOR PLAN

TITLE:

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

Date: 6/28/2019FEMA Manufactured Housing Units Federal Emergency Management Agency

DRAWING NO.

Express MHU (Package System) 8B-2

REV 11-15-23

Floor Plan Notes:

1. All bedroom closet shelving shall be 12 inches deep.

D1

D2

D3

W1

W2

D3

W1

W1

Door Notes

1. Exterior doors shall meet 24 CFR 3280.405 requirements and shall comply with Wind Zone 3 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 level handle.

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

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

MARK

W1 W2

WIDTH

2'-6" 2'-6"

HEIGHT

5'-0" 2'-3"

TYPE

Single Hung Window Fixed Pane Window

WINDOW SCHEDULE

Window Notes

1. Windows shall meet 24 CFR 3280.403 and 3280.404 requirements and shall comply with Wind Zone 3 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 58.

4. Windows shall have screens.

TOTAL WINDOW AREA: 44.2 SQ. FT.

D1

D2

HVAC

PACKAGE

SYSTEM

W/H

BATH

KITCHEN

LIVING/DINING AREA

BEDROOM

PANTRY

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

D4 LIVING DINING

DOOR AND WINDOW SCHEDULE

TITLE:

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

Date: 6/28/2019FEMA Manufactured Housing Units Federal Emergency Management Agency

DRAWING NO.

Express MHU (Package System) 8B-3

REV 11-15-23. Feb 03, 2025

HVAC

PACKAGE

SYSTEM

BATH

KITCHEN

LIVING/DINING AREA

BEDROOM

UTILITY

PANTRY

W/H

DINING

TABLELOVE SEAT

C O

FF

EE

TA

BL

E

LIVING ROOM

ITEM SPECIFICATIONS

LOVE SEAT 44" W x 24" D COFFEE TABLE 30" W x 18" D

DINING ROOM

ITEM SPECIFICATIONS

DINING TABLE 36" L x 24" W

DINING CHAIR 2 IDENTICAL CHAIRS

PANTRY 24" W x 12" D

BEDROOM

ITEM SPECIFICATIONS

FULL BED 75" L x 54" W DRESSER (4 OR 5 DRAWER) 30" W x 19" D x 48.75" H

BATHROOM

ITEM SPECIFICATIONS

MEDICINE CABINET 15" W x 25" H x 3" D SHOWER 36" W x 36" L, FIBERGLASS

WC SEE FEMA SPEC

WATER HEATER 40 GALLONS

KITCHEN

ITEM SPECIFICATIONS

REFRIGERATOR 30" W x32.5" D, 18 CU. FT.

RANGE * 30" W x 28" D (MAX)

MICROWAVE 19" D MIN., 1.2 CU. FT.

DEHUMIDIFIER PROVIDED BY FEMA

DRESSER

TITLE:

FEMA Manufactured Housing Units Federal Emergency Management Agency

COMPANY: VERSION:

FURNITURE PLAN

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

Date: 6/28/2019 DRAWING NO.

Express MHU (Package System) 8B-4.1

* General Notes

1. Range depth (Back of range to front edge of oven handle depth cannot exceed 28").

2. (4) Closet shelves shall be 16" deep and may be wood or Closetmaid white storage shelves and supports or equivalent.

Furniture and Appliance Notes

1. All refrigerators shall be ENERGY STAR qualified and have the ENERGY STAR label affixed to the appliance when delivered with the MHU.

2. Range and oven controls shall be at the front of the appliance.

3. The range hood shall extend the width of the range and a minimum of 3" beyond the front face of the overhead cabinet.

4. The range hood vent opening at the cap shall be screened with a corrosion-resistant, non-combustible wire mesh with 1/4" openings or equivalent.

5. A shower rod and new, neutral-colored plastic shower curtain (71" L x 71" H) with full set of rings/hooks shall be provided for all shower/bath fixtures.

6. Two (2) metal, rust-resistant, wall-mounted towel bars with chrome finish shall be installed in each bathroom.

7. Metal, rust-resistant, toilet-paper holder with chrome finish shall be installed in each bathroom.

8. Mattresses shall be innerspring, non-latex (can be polyester, cotton, or blend ticking and wadding) new mattresses with medium firmness and 9" to 11" height.

9. The range hood vent shall be vented through the exterior wall.

10. All kitchen appliances (range, refrigerator, microwave and range hood) are to be the same color in the same MHU. Manufacturer may choose color.

11. Alternate refrigerator style may be side-by-side, 18 cubic foot, frost-free, ENERGY STAR compliant, that complies with UFAS requirements.

12. Bed frames shall be readily available commercial frames.

13. Furniture shall be free from sharp, abrasive surfaces, edges and durable for up to five (5) years in storage and/or eighteen months during occupancy.

14. Furniture shall not infringe into the UFAS egress path or wheelchair turning area.

15. Furniture dimensions cannot exceed the maximum sizes shown.

16. All nightstands and dressers must be the same style and color in each MHU.

17. Dining table and chairs must be the same style and color in each MHU.

SEE NOTE #2

REV 11-15-23 . Feb 03, 2025

SYSTEM

BATH

KITCHEN

LIVING/DINING AREA

BEDROOM

UTILITY

PANTRY

W/H

DINING

TABLELOVE SEAT

C O

FF

EE

TA

BL

EDRESSER

TITLE:

FEMA Manufactured Housing Units Federal Emergency Management Agency

COMPANY: VERSION:

INSTALLED FURNITURE LAYOUT

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

Date: 6/28/2019 DRAWING NO.

Express MHU (Package System) 8B-4.2

General Notes

1. Vendor to tape a copy of this drawing to the inside of the water heater compartment door.

REV 11-15-23. Feb 03, 2025

SYSTEM 8

BEDROOM LIVING/DINING AREA KITCHEN

UTILITY

BATH

6 5 2

4 3 9 10

W/H

DINING

TABLELOVE SEAT

C O

FF

EE

TA

BL

E

UFAS MANEUVERING CLEARANCES AT DOORS AND TURNING SPACE CONFIGURATION LAYOUT

28" 24"

24"241 4"

DRESSER

HVAC

PACKAGE

SYSTEM

BEDROOM LIVING/DINING AREA KITCHEN

UTILITY

BATH

W/H

DINING

TABLE

LOVE SEAT

C O

FF

EE

TA

BL

E

UFAS CLEAR FLOOR SPACE LAYOUT

SEE NOTE 4

SEE NOTE 4

SEE NOTE 4

DRESSER

TITLE:

FEMA Manufactured Housing Units Federal Emergency Management Agency

COMPANY: VERSION:

UFAS LAYOUT

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

Date: 6/28/2019 DRAWING NO.

Express MHU (Package System) 8B-5

UFAS Maneuvering Clearances at Doors and Egress Chart

Location UFAS Section and/or Figure References Exterior Doors

1. Front Door – Living Room/Kitchen to Front Door 4.13.6 – Figure c – Push side

2. Front Door – Living Room/Bedroom to Front Door 4.13.6 – Figure b – Push side

3. Rear Door – Hall to Rear Door 4.13.6 – Figure c – Push side

4. Rear Door – Kitchen to Rear Door 4.13.6 – Figure b – Push side

Bedroom

5. Hallway to Bedroom 4.13.6 – Figure a – Push side – See Note 1

6. Bedroom to Hallway 4.13.6 – Figure a – Pull side

7. Bedroom to Closet 4.13.6 – Figure c – Pull side

8. Turning Space Configuration 4.2.3 – Figure a – 60" Diameter Space

Location UFAS Section and/or Figure References Bath 1 9 Hall to Bath 4.13.6 – Figure a – Pull side

10. Bath to Hallway 4.13.6 – Figure a – Push side – See Note 1

11. Turning Space Configuration 4.2.3 – Figure b – T-Shaped Space

12. Lavatory Clear Floor Space 4.19.3 – 30” x 48”

13. Shower Clear Floor Space 4.21.2 – Figure 35(a) - 36” x 48”

14. Toilet Clear Floor Space 4.16.2 - Figure 28 – 56” x 60”

Living Room

15. Turning Space Configuration 4.2.3 – Figure a – 60" Diameter Space

Kitchen

16. Turning Space Configuration 4.2.3 – Figure b – T-Shaped Space

17. Range Clear Floor Space 4.34.6.2 – 30” x 48”

18. Sink Clear Floor Space 4.34.6.5(7) – 30” x 48”

19. Counter Work Surface Clear Floor Space 4.34.6.2 – 30” x 48”

20. Refrigerator Clear Floor Space 4.34.6.2 – 30” x 48”

Notes

1. Door does not have closer.

2. The minimum clear width for a single wheelchair continuous path is 36” (UFAS 4.2.1).

3. All appliances shall be UFAS Compliant.

4. 50% of shelf space shall be below 54" reach range (UFAS 4.25.3).

5. The ADA compliant range cannot be deeper than 28” (From rear wall to the furthest extend of the range handle .

6. The Range electrical receptacle must be recessed. REV 11-15-23

NOAA

S 3

S3

SSS

H.T. GFCI

RH 16

SS

REFR

GFCI

S

G

FC

I

G

FC

I

TV

TV

16 16

HVAC

PACKAGE

SYSTEM

G

FC

I

W/H

SA

SA

T

GFCI-WP

44" AFF 18" AFF TO RECEPTACLE SCREW

" FE

SS

GFCI-WP

WP

WP

SS

SINGLE OUTLET RECEPTACLE

FOR REFRIGERATOR

WP

SEE

GENERAL

NOTE 2

17 17

S

SEE NOTE 24

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 Package System 12 Smoke Detectors 15 1 13 Reserved

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 1 18 Refrigerator 1

Per MFR. Specs.

19 Bath Receps / Heat Tape 20 1

GFCI

GFCI

ELECTRICAL PLAN

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

Date: 6/28/2019 DRAWING NO.

Express MHU (Package System) 8B-6

TPS System 30 28-3

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. HVAC electrical connection shall be routed through the back of the unit using the knockouts provided by the manufacturer. Running the electrical connection in conduit exposed to the exterior is not acceptable. Electrical wiring shall not be installed within the plenum used for environmental air (wall mounted curb).

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.

12-2 2012-2

12-2

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 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

LEGEND

CUT OFF VALVE LOCATION

3/4" LINE (HOT)

1/2" LINE (HOT)

3/4" LINE (COLD)

1/2" LINE (COLD)

ADJACENT PIPE SIZES.

FITTING SIZES TO CORRESPOND TO

ALL SIZING OF PIPE + OR -, MUST

MEET OR EXCEED ANY APPLICABLE

2)

CODES.

1)

NOTES:

SInk

W/H

Washer Lav

Stool

Shower

Inlet

Master Shutoff

DRAIN

Hose Bib

LOW POINT DRAIN IN WATER LINES

WITH SHUT OFF VALVES

HOT WATER LINE (THIS SECTION

ONLY) MAY BE 3/4" OR 1/2".

W/H

COLD

HOT

INLET

TYPICAL BYPASS VALVE.

SEE NOTE BELOW.

WATER LINES

WATER HEATER BYPASS

VALVE DETAIL

SEE NOTE 13

TITLE:

FEMA Manufactured Housing Units Federal Emergency Management Agency

COMPANY:

WATER LINES

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

Date: 6/28/2019 DRAWING NO.

Express MHU (Package System) 8B-7

Water Supply System Notes

1. The water supply lines shall be Cross-linked polyethylene (PEX) or chlorinated polyvinyl chlorine (CPVC) and comply with the requirements of 24 CFR 3280.

2. All water lines shall be 1/2” unless noted.

3. The water supply inlet shall be 3/4” and have a brass quarter turn ball valve.

4. The water supply inlet shall extend not more than 6” below the bottom board.

5. The water supply inlet shall be located within 12” of the curb side of the home.

6. The water supply inlet shall not be located under an exterior door.

7. Individual shut off valves shall be located on each water line at each fixture, except at the tub/shower or shower.

8. All water line floor penetrations shall be caulked or foamed. Caulk or foam shall be acceptable to be in contact with the water line material.

9. Access panels (minimum size 14" x 14") shall be located in the walls at all points where concealed plumbing slip joints exist. The access panels shall match the wall color and finish.

Access panels shall be unobstructed and accessible for inspection and repair.

10. The MHU shall be equipped with a frost-free hose bib located near the main water supply inlet. It shall not be located under an exterior door.

11. Low point drain in water lines with shut-off valves shall be located above bottom board and insulation. Vendor to provide access panel, labeled "Low Point Drain".

12. By-pass valves shall be quarter turn on-off valves.

13. Water heater pressure relief valve drain line shall be run to the exterior of the home. REV 02-03-25

SANITARY TEE

LONG TURN TY

CLEAN OUT PLUG

CAP & CHAIN

22.5° ELL

45° ELL

REDUCER BUSHING

90° CLOSET ST. ELL

DWV FITTING LEGEND

MECHANICAL VENT

90° LONG TURN ELL

DOUBLE SANITARY TEE

90° LONG TURN ST. ELL

LK

P-TRAP

COUPLING

NM

T R

S Q O P

45° Y

DOUBLE ELL

F

JI

H

B D

E G

A C

To Sewer

HK.Sink

K

A

B

Washer

M

F

Stool D

A

MF

LavK

A

Shower

M

(Stool VTR)

H

A

B

M

F

SEE NOTES 5 THRU 7

H B

B

A F

K

A

H

NOTES

1. FITTING SIZES CORRESPOND TO ADJACENT PIPE SIZES.

2. SINGLE (THIN) LINES REPRESENT 1-1/2" PIPE;

DARK (THICK) LINES REPRESENT 2" PIPE;

DOUBLE LINES REPRESENT 3" PIPE.

3. P-TRAP DIRECTIONS MAY VARY.

DEHUMIDIFIER DRAIN IS STANDARD. SEE APPENDIX

A, PAGE A-35 FOR ADDITIONAL INFORMATION.

H K

A

B

M

FDehumidifier

42"

54"

TITLE:

FEMA Manufactured Housing Units Federal Emergency Management Agency

COMPANY:

DRAIN LINES

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

Date: 6/28/2019 DRAWING NO.

Express MHU (Package System) 8B-8

Drain System General Notes

1. Drain lines shall be ABS or PVC and comply with the requirements of 24 CFR 3280.

2. All drain lines shall be 1 ½” diameter unless noted.

3. The drain line system shall be accessible without removing the axles and wheels.

4. All drain line floor penetrations, except at tub/shower and shower floor penetrations shall be caulked or foamed. Caulk or foam shall be acceptable to be in contact with the drain line material.

5. The drain line shall run below the floor and above the bottom board. The drain outlet shall be located a minimum of 2 feet and a maximum of 4 feet ahead of the front axle. The edge of the drain outlet shall be located a minimum of 4 inches from the closest edge of any crossmember.

6. The drain line outlet shall protrude at least six inches (6”), but not more than eight inches (8”), below the bottom board.

7. The drain line outlet shall be capped with a removable plastic cap and chain or strap.

8. Stool trap arm developed length shall not be over 72".

REV 02-03-25 . Feb 03, 2025

SYSTEM

9'-2"27'-1"10'-6"4" 4" 9'-6"36'-101

2" 48'-0"

BATH

LIVING/DINING AREA

BEDROOM

4" 4"

14x30 GRILL W/ FILTER

90 CFM6" FLEX

8x8 ID14x8 ID

4'-8"

14 1/2"x30 1/2"x10"

PLENUM

14x30 GRILL 14 1/2"x30 1/2"x10" PLENUM

W/H

BEDROOM

90 CFM90 CFM

110 CFM

110 CFM 90 CFM

8" FLEX

8" FLEX 8" FLEX

8" FLEX 8" FLEX

90 CFM

8" FLEX

16'-8"24'-8"31'-4"

32'-8"43'-4"

44'-8" 10" JUMPER DUCT42'-0"

27'-4"

9"

1' -6

1' -6

1' -6

1' -6

1' -6

1' -6

1" B

ET

W

EE

N

R /A

PL

EN

U M

S

AN

D

SU

PP

LY

D U

C T

TRANSITION

DUCT

2' -0

HVAC DESIGN AND

TITLE:

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

Date: 6/28/2019FEMA Manufactured Housing Units Federal Emergency Management Agency

DRAWING NO.

Express MHU (Package System) 8B-9OVERHEAD DUCT DESIGN

Heating/ Cooling

HVAC Wall Mounted Package System Specifications

(1.5 Ton Package System)

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 registers shall be 8” x 8” TRUaire A500 series square extruded aluminum ceiling supply register (4-way distribution) with damper OR equivalent.

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. The main supply and return duct trunks shall be galvanized sheet metal (min. thickness per HUD IB H-1-84) or Johns Manville

Mat-face Micro-aire (Type 475 or 800) fiberglass ductboard or equivalent. Duct to be installed per manufacturer's installation instructions.

9. N/A

10. N/A

11. N/A

12. N/A

13. The manufactured home manufacturer is responsible to assure the wall mounted HVAC unit provided has the following features:

a. Unit is designed to have a ceiling return air system as shown in drawing above. A return air system through the room the unit is in, is not acceptable.

b. Unit is designed so that when unit is operating, and any dampers are open that no direct openings from the outside to the inside of the MHU occur. Standing in the room and being able to see outside through any unit openings is not acceptable.

c. Unit is designed with an anti-vibration curb between the MHU and the wall mounted HVAC unit.

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

HVAC Wall Mounted Package System Notes

1. The MHU shall be equipped with a specifically engineered HVAC wall mounted package system based on the size and intended use of the MHU, in accordance with 24 CFR 3280.506, that is compatible with the HVAC wall mounted package system size and capable of maintaining an average temperature of seventy degrees Fahrenheit (70°F) in the MHU.

2. The HVAC wall mounted package system shall not cause vibration within the MHU. The HVAC wall mounted package system shall be mounted in such a way as to dampen the vibrations and any sound that accompany the packaged during operation cycles.

3. The HVAC wall mounted package system shall be able to maintain the temperature based on the coldest average temperature of the operating area of the MHU.

4. The HVAC wall mounted package system will require the manufacturer to have a current Alternative Construction letter from HUD.

5. The HVAC wall mounted package system shall be installed with a curb unit to minimize vibration and sound transmitted to the MHU.

6. A motorized room ventilator shall be installed in the HVAC wall mounted package system.

7. The thermostat shall be designed to work with the HVAC wall mounted package system.

8. The ceiling return air grill located in the bedroom shall accommodate a filter.

9. Duct penetrations thru ceiling shall be sealed.

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) 271 Sq. Ft.

38,823 Btuh

0.035

0.0896

0.0258

0.0766

Cooling

REV 11-15-23

HITCH END ELEVATION TAIL END ELEVATION

8'-0"

8'-0"

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.

EXTERIOR

RECEPT. (GFCI)

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.

12"HUD LABEL: APPROX. 12" UP FROM

FLOOR AND 12" FROM ROADSIDE.

HVAC

WALL

MOUNTED

PACKAGE

SYSTEM

BACK DOOR SIDE ELEVATION

FRONT DOOR SIDE ELEVATION

BACK DOOR

ANGLE RAIN DIVERTER OVER DOOR

EXTERIOR

LIGHT

RIDGE VENT (TYP.)

INTERIOR FLOOR LINE

PEEP

HOLES

ANGLE RAIN DIVERTER OVER DOOR

RIDGE VENT (TYP.)

PEEP

HOLES

FRONT DOOR

EXTERIOR

LIGHT

INTERIOR FLOOR LINE

24"

DRYER VENT.

RANGE EXHAUST FAN

HOSE BIB

TRANSPONDER

TPS ELECTRICAL CONNECTION.

SEE 8B-6, GENERAL NOTE 2.

EXTERIOR RECEPTACLE (GFCI)

SERVICE ENTRANCE CONDUIT

FEMA Manufactured Housing Units Federal Emergency Management Agency

TITLE: VERSION:

ELEVATIONS

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

Date: 6/28/2019 DRAWING NO.

Express MHU (Package System) 8B-10

Exterior Finishes Notes

1. Siding shall be light gray vinyl.

2. Siding shall be double 4" lap.

3. Siding shall be approved for HUD Wind Zone 3 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. Vinyl siding, Versatek trim board, or equivalent shall be installed below all exterior doors, cover 2X8 perimeter rails, light gray in color and installed per Wind Zone 3 requirements. REV 11-15-23

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

48"48"

16'-0" CTR. OF AXLES

4" 291

2"

4"

1 2"

10"x9# I-BEAM HEADER

10"x9# MAIN I-BEAM

CROSSMEMBER

(TYP)

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"

96" LONGITUDINAL BRACKET

4'-0"

9'-4"

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

- 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.

LONGITUDINAL

BRACKET

LOCATED PER

NOTE 12.

LONGITUDINAL

BRACKET

LOCATED PER

NOTE 12.

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"

96" LONGITUDINAL BRACKETSEE CHASSIS DETAILS, DETAIL "C"

8"

8"

4" 10 HOLES AT 10-1/4" O.C.

4"

FRONT AND REAR HEADER SHEARWALL LAG BOLT SPACING

10 14" TYP. HOLE SPACING

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. Longitudinal bracket slot to face closest end of home 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.

2"331

4"331 4"291

2"

32'-0"

10"x9# I-BEAM

HEADER

ANGLE GUSSET INSTALLED ON

REAR OF THIS CROSS MEMBER

8'-0"

CHASSIS

TITLE:

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

Date: 6/28/2019 DRAWING NO.

Express MHU (Package System) 8B-11.1

VERSION:

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

2"

11 2" 1"

SEE SLOT

DETAIL

16" Ø HOLE

3"

4" 11 2" 3

4"

16" Ø HOLES

SEE SLOT

DETAIL

16" Ø HOLE

1 2"

1"

8"

11 4" 1"

21 4"

11 8"

8"

11 4" 1"

21 4"

11 8"

4" 11

2" 3 4"

2"11

2"

SLOT DETAIL

5 16

8"

16"

DETAIL "A-A"

16" Ø

HOLE

SEE SLOT

DETAIL

A

A

° BOTTOM OF

FRAME I-BEAM

1/8" x2" LONG

FILLET WELD

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:

CHASSIS DETAILS

TITLE:

Scale: NTS

Date: 6/28/2019 DRAWING NO.

8B-11.2

VERSION:

Express MHU (Package System)

DETAIL C: LONGITUDINAL TIE-DOWN BRACKET

DETAIL B: SPRING HANGER WELDING

DETAIL A: HITCH ASSEMBLY DETAIL D: EQUALIZER & SHACKLE LINK FASTENING

DETAIL C: LONGITUDINAL TIE-DOWN BRACKET

DETAIL B: SPRING HANGER WELDING

DETAIL A: HITCH ASSEMBLY

LONGITUDINAL TIE-DOWN BRACKET (12 GA. MIN.) SHALL

HAVE 3150 LB. WORKING LOAD CAPACITY.

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.)

REV 11-29-21

48'-0"

(2 ) S

H

EA

R W

AL

L

JO

IS

TS

W

Z

'-8

'-4

'-0

'-8

'-4

'-0

'-8

'-4

'-0

'-8

'-4

'-0

'-8

'-4

'-0

'-8

'-4

'-0

'-8

'-4

'-0

'-8

'-4

'-0

'-8

'-4

'-0

'-8

9' -3

8' -0

'-0

6' -8

5' -4

4' -0

2' -8

" 0"

(2 ) S

H

EA

R W

AL

L

JO

IS

TS

W

Z

2' -2

AD

D

ED

J O

IS

T

M O

VE

D

J O

IS

T

FR

O

M

6"

1 2"

1 2"

1 2"

1 2"

" J

O

IS

T (1

6" O

C U

N

LE

SS

N

O

TE

D

28"

Floor Framing Notes

1. The floor joists shall be 2 x 8 #2 SPF 16” o.c.

2. Edge rails shall be 2 x 8 #2 SPF.

3. Edge rail splice 4 x 5 x 20 GA metal connector plate on each side or 2 x 8 x min. 6" each side of joint block centered +/- 1”, to be fastened with 7/16 x 2 ½ x 15 GA staples or .131 x 3” PD nails (8) each side of edge rail with PVA 80% coverage.

Floor Insulation Notes

1. The insulation shall have a flame spread of 25 or less and a smoke development of 450 or less.

2. The floor insulation shall be a minimum of R-26 (R-11 blanket with R-15 batts) fiberglass insulation.

One full batt, one additional full width batt between the I-beams, and one additional 16” wide batt between joist outside of I-beams.

Bottom Board Notes

1. All penetrations sealed per bottom board manufacturer’s installation instructions.

2. Bottom board shall be a minimum of twenty (20) mil thickness.

3. Multiple layers of acceptable bottom board material per 3280.305(g)(6) may be used.

4. Fasten bottom board to perimeter framing per manufacturer’s installation instructions.

29'-91

4" OPTIONAL DEHUMIDIFIER CONDENSATE DRAIN

FLOOR FRAMING LAYOUT

TITLE:

FEMA Manufactured Housing Units Federal Emergency Management Agency

COMPANY: VERSION:

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

Date: 6/28/2019 DRAWING NO.

Express MHU (Package System) 8B-12

Floor joists to rim joist

Multiple joists (to each other) (80% PVA glue coverage)

7/16 x 2-1/2 x 15Ga staple OR 0.131 x 3" Nail 7/16 x 2-1/2 x 15Ga staple OR 0.131 x 3" Nail

7 each 5 each 12" o.c.

12" o.c.

DESCRIPTION FASTENER QTY

FASTENING SCHEDULE - FLOOR FRAMING

Cut joist (header) to transv.

joist (straight or toenailed)

7/16 x 2-1/2 x 15Ga staple OR 0.131 x 3" Nail

5 each 3 each

TOILET

4'-0"8'-0"8'-0"8'-0"8'-0"8'-0"4'-0"

4' -0

4'

-0

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

W/H

6" 6"

23'-8" KIT SINK

38'-31

4" 11'-11

2" WASHER DRAIN

11'-9" WASHER

5"

4'-4" LAV

6"

2'-6"

5'-1" LAV

AUTOVENT

6" TOILET SUPPLY

1'-5"

P.BOX

23'-0" KIT DRAIN

123456

7 6 5 4 3 2 1

A

B

PHONE

WIRETV WIRE

2"

44'-4" 45'-0"

DRAIN

1 2"

6"

W/H

HOT &

COLD

PHONE

WIRE

TV WIRE

2" 33'-0"

32'-4"

SHOWER

P-TRAP

10"

7'-6"

6'-13 4"

SH

O

W

ER

V

TR

" S

H O

W

ER

9'-73 4"10

1 8"

SP

R

IN

KL

ER

D R

AI

N

39'-91 8"

8"

SP

R

IN

KL

ER

R

IS

ER

Ø11 2"

Ø4"

2'-6"

Ø2"

29'-91

4" OPTIONAL DEHUMIDIFIER DRAIN - SEE

APPENDIX A, A-35 FOR MORE INFORMATION

TITLE:

FEMA Manufactured Housing Units Federal Emergency Management Agency

COMPANY: VERSION:

FLOOR DECKING LAYOUT

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

Date: 6/28/2019 DRAWING NO.

Express MHU (Package System) 8B-13

Decking to Joists 7/16 x 1-3/4 x 16Ga staple OR 0.092 x 2" Nail

4" edges / 6" field w/ glue 6" edges / 10" field w/ glue

DESCRIPTION FASTENER APPLICATION

FASTENING SCHEDULE - FLOOR DECKING

Floor Decking Notes

1. The floor decking shall be 23/32" APA rated (24" o.c. panel span rating), laid out as shown on decking layout.

2. Decking shall be Exposure 1 rated.

3. Long edges of the panel shall be T&G installed perpendicular to the floor joists.

4. PVA (polyvinyl acetate) or equal shall be used as adhesive with 80% coverage.

5. Vinyl flooring shall be installed on all interior floors of the home installed per manufacturer's instructions.

P3P4

P6

P5

P9

P10 P12 P11

S2

E2

S1

HVAC

PACKAGE

SYSTEM

2"

2"x83

2" 43

1 2"

1 2"x

7" 28 1 2"

4"

21"x81

4"

2"

1 2"

1 2"x

3"

1 2"

1 2"

2"

2"

3"

P13

P14

W/H

P15

P8

P2 E1

BATH

KITCHEN

LIVING/DINING AREA

BEDROOM

PANTRY

4"

1 2"

2"

P1

P7

LIVING DINING

TOP PLATE SPLICE

BOTTOM PLATE SPLICE

2" X 4" X 20 GA.

Metal connector plate, one each side

Min 2x by top plate width by 10” splice block centered over splice, plus or minus 1 inch. Fastened with (6) - 7/16” x 2-1/2” x 15 Ga staples each side of splice.

Min 2x 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 (min. ½” penetration) each side of splice.

2" X 4" X 20 GA.

Metal connector plate, one each side

INTERIOR WALL/BACK PANEL PLAN

TITLE:

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

Date: 6/28/2019FEMA Manufactured Housing Units Federal Emergency Management Agency

DRAWING NO.

Express MHU (Package System) 8B-14

Stud to top/bottom plate

Door header to stud or 0.131 x 3" nail 3 each 2 each

DESCRIPTION FASTENER APPLICATION

FASTENING SCHEDULE - INTERIOR WALLS

15 ga x 7/16"x 2-1/2" staple

Bottom plate to floor 12" o.c.

Gypsum to studs, 80% PVA glue

Alternative Gypsum to studs, 100% one part urathane glue

Gypsum to studs (shearwall) Per product manufacturer's instructions

Stud to stud

Layflat to top/bottom plate

Top plate to ceiling or 0.131 x 3" nail 15 ga x 7/16"x 2-1/2" staple or 0.131 x 3" nail 15 ga x 7/16"x 2-1/2" staple

0.131 x 3" nail 15 ga x 7/16"x 2-1/2" staple

#8 x 3" screw

19 ga x 3/16"x 1-1/4" staple or drywall screw

Into layflat into trusses

19 ga x 3/16"x 1-1/4" staple or drywall screw

0.131 x 3" nail or #8 x 3" screw or

15 ga x 7/16"x 2-1/2" staple 2 each

3 each 2 each

12" o.c.

12" o.c.

12" o.c.

6" o.c. at edges and 12" o.c. in field

6" edges

12" o.c.

Interior wall to sidewall (non-shearwall) Interior wall to interior wall

#8 screw (min. 1" penetration at 16" O.C.)

0.131 nail (min. 1" penetration at 16" O.C.)

or #8 x 3" screw

15 ga x 7/16"x 2-1/2" staple or 0.131 x 3" nail

6 Each15 ga X 716" X 2 12" staple or 0.131 X 3" nail 3 Each

(end grain only)

(end grain or toed)

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

General Notes

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

2. Horizontal and vertical gypsum layouts for interior walls are the same.

3. 1x6 SPF backers may be used only for sprinkler system supports.

REV 06-03-22. Feb 03, 2025

RESERVED

FEMA Manufactured Housing Units Federal Emergency Management Agency

COMPANY: VERSION:

Scale: NTS

Date: 6/28/2019 DRAWING NO.

Express MHU (Package System) 8B-15

0 16 24

P1

/4

Gypsum Layout

FEMA Manufactured Housing Units Federal Emergency Management Agency

COMPANY:

INTERIOR WALL

Date: 6/28/2019 DRAWING NO.

Express MHU (Package System) 8B-16.1Scale: 1/2" = 1'-0"

6. Wall panel trim (1/8” x 2”) shall be used to cover the gypsum panel joints. Trim fastened to only one of the two gypsum panels into stud. 10" O.C. fastener spacing.

7. Walls shall be sanded as needed to assure a smooth finish (level 3 finish minimum)

8. Paint shall be any latex paint. See FEMA spec.

9. Horizontal and vertical gypsum layouts are the same.

Interior Wall Framing Notes

1. All interior walls are 2 x 3 (unless noted) #2 SPF at 16” maximum o.c., except washer wall.

2. Top plates to be 2 x 3 (unless noted) #2 SPF.

3. Bottom plates to be 1 x 3 SPF (unless noted).

4. Wall interiors shall be faced with ½” Gold Bond XP gypsum board with paint or equivalent installed per ASTM C840 and GA-216.

5. Gypsum board shall run vertically or horizontally along the entire height of wall interiors. See fastening schedule. REV 6-18-21

/4

1/

25 1/2

/4

30 33

3/

P2

4 1/2 25 1/2 3

Gypsum Layout

4"

5"

NOTCH FOR SPRINKLER SYSTEM PIPE

2x3x21 4"

1x3x21 4"

FEMA Manufactured Housing Units Federal Emergency Management Agency

COMPANY:

INTERIOR WALL

Date: 6/28/2019 DRAWING NO.

Express MHU (Package System) 8B-16.2Scale: 1/2" = 1'-0"

6. Wall panel trim (1/8” x 2”) shall be used to cover the gypsum panel joints. Trim fastened to only one of the two gypsum panels into stud. 10" O.C. fastener spacing.

7. Walls shall be sanded as needed to assure a smooth finish (level 3 finish minimum)

8. Paint shall be any latex paint. See FEMA spec.

9. Horizontal and vertical gypsum layouts are the same.

Interior Wall Framing Notes

1. All interior walls are 2 x 3 (unless noted) #2 SPF at 16” maximum o.c., except washer wall.

2. Top plates to be 2 x 3 (unless noted) #2 SPF.

3. Bottom plates to be 1 x 3 SPF (unless noted).

4. Wall interiors shall be faced with ½” Gold Bond XP gypsum board with paint or equivalent installed per ASTM C840 and GA-216.

5. Gypsum board shall run vertically or horizontally along the entire height of wall interiors. See fastening schedule. REV 02-25-22

/4

P3 x x

-3

/4

BA

C

KE

R

D N

BCKR

DOWN

2X6

T

O W

EL

B

AR

Gypsum Layout

2x4 studs 2x4 top plate 1x4 bottom plate

VT

R L

O C

AT

IO

N

BCKR

DOWN

2X6

2x4 WALL

FEMA Manufactured Housing Units Federal Emergency Management Agency

COMPANY:

INTERIOR WALL

Scale: 1/2" = 1'-0"

Date: 6/28/2019 DRAWING NO.

Express MHU (Package System) 8B-16.3

6. Wall panel trim (1/8” x 2”) shall be used to cover the gypsum panel joints. Trim fastened to only one of the two gypsum panels into stud. 10" O.C. fastener spacing.

7. Walls shall be sanded as needed to assure a smooth finish (level 3 finish minimum)

8. Paint shall be any latex paint. See FEMA spec.

9. Horizontal and vertical gypsum layouts are the same.

Interior Wall Framing Notes

1. All interior walls are 2 x 3 (unless noted) #2 SPF at 16” maximum o.c., except washer wall.

2. Top plates to be 2 x 3 (unless noted) #2 SPF.

3. Bottom plates to be 1 x 3 SPF (unless noted).

4. Wall interiors shall be faced with ½” Gold Bond XP gypsum board with paint or equivalent installed per ASTM C840 and GA-216.

5. Gypsum board shall run vertically or horizontally along the entire height of wall interiors. See fastening schedule. REV 11-29-21

/4

/2

/2

37 1/2

/4

85 88

P4

3/ x x

-3

/4

BA

C

KE

R

U P

Gypsum Layout

47 1/2 37 1/2x8 3/4 3

NOTCH FOR SPRINKLER

SYSTEM PIPE NOTCH FOR SPRINKLER

SYSTEM PIPE

5" 2x3x21

4"

1x3x21 4"

4"

14"x14" access panel (Oatley 34056 or equivalent). Panel cut gypsum access panels are not acceptable.

19 3/4 14

1/

4 1/4

2x6 BACKER UP. Locate per adjustable shower head mfr. requirements.

/2

BCKR

UP

2X6

BCKR

UP

2X6

FEMA Manufactured Housing Units Federal Emergency Management Agency

COMPANY:

INTERIOR WALL

Date: 6/28/2019 DRAWING NO.

Express MHU (Package System) 8B-16.4Scale: 1/2" = 1'-0"

6. Wall panel trim (1/8” x 2”) shall be used to cover the gypsum panel joints. Trim fastened to only one of the two gypsum panels into stud. 10" O.C. fastener spacing.

7. Walls shall be sanded as needed to assure a smooth finish (level 3 finish minimum)

8. Paint shall be any latex paint. See FEMA spec.

9. Horizontal and vertical gypsum layouts are the same.

Interior Wall Framing Notes

1. All interior walls are 2 x 3 (unless noted) #2 SPF at 16” maximum o.c., except washer wall.

2. Top plates to be 2 x 3 (unless noted) #2 SPF.

3. Bottom plates to be 1 x 3 SPF (unless noted).

4. Wall interiors shall be faced with ½” Gold Bond XP gypsum board with paint or equivalent installed per ASTM C840 and GA-216.

5. Gypsum board shall run vertically or horizontally along the entire height of wall interiors. See fastening schedule. REV 6-18-21

Gypsum Layout

28 1/2

3/

/2

28 1/2

1/

P5

/4

BCKR

UP

2X6

BCKR

UP

2X6

/2

±1

/4

+1 /4

-0

OPT. DEHUMIDIFIER

2x4 FRAMED OPENING-

SEE APPENDIX A,

PAGE A-35.

14 1/2+1/4 -0

1/2" SPACE (MIN)

14"x14" ACCESS PANEL

(OATLEY 34056 OR

EQUIVALENT). PANEL

CUT GYPSUM ACCESS

PANELS ARE NOT

ACCEPTABLE.

FEMA Manufactured Housing Units Federal Emergency Management Agency

COMPANY:

INTERIOR WALL

Date: 6/28/2019 DRAWING NO.

Express MHU (Package System) 8B-16.5Scale: 1/2" = 1'-0"

Interior Wall Framing Notes

1. All interior walls are 2 x 3 (unless noted) #2 SPF at 16” maximum o.c., except washer wall.

2. Top plates to be 2 x 3 (unless noted) #2 SPF.

3. Bottom plates to be 1 x 3 SPF (unless noted).

4. Wall interiors shall be faced with ½” Gold Bond XP gypsum board with paint or equivalent installed per ASTM C840 and GA-216.

5. Gypsum board shall run vertically or horizontally along the entire height of wall interiors. See fastening schedule.

6. Wall panel trim (1/8” x 2”) shall be used to cover the gypsum panel joints. Trim fastened to only one of the two gypsum panels into stud. 10" O.C. fastener spacing.

7. Walls shall be sanded as needed to assure a smooth finish (level 3 finish minimum)

8. Paint shall be any latex paint. See FEMA spec.

9. Horizontal and vertical gypsum layouts are the same.

10. For optional dehumidifier wall framing see Appendix A, A-35. REV 11-15-23

/4

/4

/2

37 1/2

/4

81 88 P6

3/ x x

-3

/4

BA

C

KE

R

U P

/4

Gypsum Layout

43 1/2 37 1/2x8 3/4 7

/4

2-1/4"

5" 1x FILLER

2x BLOCK 18" MIN.

1' -6

" M

IN

NOTCH FOR SPRINKLER SYSTEM PIPE

-SEE APPENDIX A-30 DETAIL "B"

/4

NOTCH FOR SPRINKLER

SYSTEM PIPE

1x6 SPRINKLER HEAD BACKER UP. SPRINKLER HEAD BACKER

LOCATION MAY VARY BASED ON SPRINKLER DESIGN.

FEMA Manufactured Housing Units Federal Emergency Management Agency

COMPANY:

INTERIOR WALL

Date: 6/28/2019 DRAWING NO.

Express MHU (Package System) 8B-16.6Scale: 3/8" = 1'-0"

6. Wall panel trim (1/8” x 2”) shall be used to cover the gypsum panel joints. Trim fastened to only one of the two gypsum panels into stud. 10" O.C. fastener spacing.

7. Walls shall be sanded as needed to assure a smooth finish (level 3 finish minimum)

8. Paint shall be any latex paint. See FEMA spec.

9. Horizontal and vertical gypsum layouts are the same.

Interior Wall Framing Notes

1. All interior walls are 2 x 3 (unless noted) #2 SPF at 16” maximum o.c., except washer wall.

2. Top plates to be 2 x 3 (unless noted) #2 SPF.

3. Bottom plates to be 1 x 3 SPF (unless noted).

4. Wall interiors shall be faced with ½” Gold Bond XP gypsum board with paint or equivalent installed per ASTM C840 and GA-216.

5. Gypsum board shall run vertically or horizontally along the entire height of wall interiors. See fastening schedule. REV 02-25-22

/4

1/

25 1/2

/4

/2

3/

P7 Gypsum Layout

1 1/2 25 1/2 1 1/2

FEMA Manufactured Housing Units Federal Emergency Management Agency

COMPANY:

INTERIOR WALL

Date: 6/28/2019 DRAWING NO.

Express MHU (Package System) 8B-16.7Scale: 1/2" = 1'-0"

6. Wall panel trim (1/8” x 2”) shall be used to cover the gypsum panel joints. Trim fastened to only one of the two gypsum panels into stud. 10" O.C. fastener spacing.

7. Walls shall be sanded as needed to assure a smooth finish (level 3 finish minimum)

8. Paint shall be any latex paint. See FEMA spec.

9. Horizontal and vertical gypsum layouts are the same.

Interior Wall Framing Notes

1. All interior walls are 2 x 3 (unless noted) #2 SPF at 16” maximum o.c., except washer wall.

2. Top plates to be 2 x 3 (unless noted) #2 SPF.

3. Bottom plates to be 1 x 3 SPF (unless noted).

4. Wall interiors shall be faced with ½” Gold Bond XP gypsum board with paint or equivalent installed per ASTM C840 and GA-216.

5. Gypsum board shall run vertically or horizontally along the entire height of wall interiors. See fastening schedule. REV 02-25-22

0 21 25

P8

/4

Gypsum Layout

19 1/2

2x6 studs 2x6 top plate 1x6 bottom plate

NOTCH FOR

SPRINKLER

SYSTEM PIPE

/4

2-1/4"

5"

1x

FILLER

SEE APPENDIX A-30 DETAIL "B"

/4

19 1/2

3/

41 1/2

2x6 WALL

FEMA Manufactured Housing Units Federal Emergency Management Agency

COMPANY:

INTERIOR WALL

Date: 6/28/2019 DRAWING NO.

Express MHU (Package System) 8B-16.8Scale: 1/2" = 1'-0"

6. Wall panel trim (1/8” x 2”) shall be used to cover the gypsum panel joints. Trim fastened to only one of the two gypsum panels into stud. 10" O.C. fastener spacing.

7. Walls shall be sanded as needed to assure a smooth finish (level 3 finish minimum)

8. Paint shall be any latex paint. See FEMA spec.

9. Horizontal and vertical gypsum layouts are the same.

Interior Wall Framing Notes

1. All interior walls are 2 x 3 (unless noted) #2 SPF at 16” maximum o.c., except washer wall.

2. Top plates to be 2 x 3 (unless noted) #2 SPF.

3. Bottom plates to be 1 x 3 SPF (unless noted).

4. Wall interiors shall be faced with ½” Gold Bond XP gypsum board with paint or equivalent installed per ASTM C840 and GA-216.

5. Gypsum board shall run vertically or horizontally along the entire height of wall interiors. See fastening schedule. REV 11-29-21

/4

1/

/2

P9

/4

PA

N

EL

B O

X

Gypsum Layout

26 1/2

2x4 studs 2x4 top plate 1x4 bottom plate

EL

EC

TR

IC

AL

PA

N

EL

B

O X

EL

EC

TR

IC

AL

2x4 WALL

FEMA Manufactured Housing Units Federal Emergency Management Agency

COMPANY:

INTERIOR WALL

Date: 6/28/2019 DRAWING NO.

Express MHU (Package System) 8B-16.9Scale: 1/2" = 1'-0"

6. Wall panel trim (1/8” x 2”) shall be used to cover the gypsum panel joints. Trim fastened to only one of the two gypsum panels into stud. 10" O.C. fastener spacing.

7. Walls shall be sanded as needed to assure a smooth finish (level 3 finish minimum)

8. Paint shall be any latex paint. See FEMA spec.

9. Horizontal and vertical gypsum layouts are the same.

Interior Wall Framing Notes

1. All interior walls are 2 x 3 (unless noted) #2 SPF at 16” maximum o.c., except washer wall.

2. Top plates to be 2 x 3 (unless noted) #2 SPF.

3. Bottom plates to be 1 x 3 SPF (unless noted).

4. Wall interiors shall be faced with ½” Gold Bond XP gypsum board with paint or equivalent installed per ASTM C840 and GA-216.

5. Gypsum board shall run vertically or horizontally along the entire height of wall interiors. See fastening schedule. REV 11-29-21

0 16

/2

P10

/4

Gypsum Layout

25 1/2

/2

/239

BCKR

UP

2X6

BCKR

UP

2X6

BCKR

UP

2X6

BCKR

UP

2X6

FEMA Manufactured Housing Units Federal Emergency Management Agency

COMPANY:

INTERIOR WALL

Date: 6/28/2019 DRAWING NO.

Express MHU (Package System) 8B-16.10Scale: 1/2" = 1'-0"

6. Wall panel trim (1/8” x 2”) shall be used to cover the gypsum panel joints. Trim fastened to only one of the two gypsum panels into stud. 10" O.C. fastener spacing.

7. Walls shall be sanded as needed to assure a smooth finish (level 3 finish minimum)

8. Paint shall be any latex paint. See FEMA spec.

9. Horizontal and vertical gypsum layouts are the same.

Interior Wall Framing Notes

1. All interior walls are 2 x 3 (unless noted) #2 SPF at 16” maximum o.c., except washer wall.

2. Top plates to be 2 x 3 (unless noted) #2 SPF.

3. Bottom plates to be 1 x 3 SPF (unless noted).

4. Wall interiors shall be faced with ½” Gold Bond XP gypsum board with paint or equivalent installed per ASTM C840 and GA-216.

5. Gypsum board shall run vertically or horizontally along the entire height of wall interiors. See fastening schedule. REV 6-18-21

/4

3/

1/

/4

/2

P11 Gypsum Layout

5 1/4 21x8 1/2 5 1/4

90…