2 - Appendix A Typical NextGen MHU Details - FEB-03-2025 PE Sealed.pdf
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Federal Emergency Management Agency
About this file
This file is Appendix A for a FEMA Manufactured Housing Unit (MHU) NextGen design details, dated February 3, 2025. The technical drawings provide comprehensive specifications for multiple aspects of MHU construction, including electrical outlet heights, door and window installation requirements, chassis details, sprinkler system configurations, and optional equipment mounting procedures. Key technical specifications include:
Detailed design drawings cover critical MHU components such as electrical panel placement (maximum 48" above floor), door and window flashing installation, sprinkler riser configurations, air conditioning mount details, and optional features like dehumidifiers and detachable hitches. The documents specify precise mounting heights, material requirements, structural reinforcement methods, and installation guidelines for various MHU elements, ensuring consistent and standardized manufacturing processes across different MHU models including Express, one-bedroom, two-bedroom, and three-bedroom configurations.
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MANUFACTURED HOUSING UNIT
FEDERAL EMERGENCY MANAGEMENT AGENCY
Appendix A
Typical NextGen MHU Details
February 3, 2025
COVER PAGE
TITLE:
Scale: NTS
6/28/2019FEMA Manufactured Housing Units Federal Emergency Management Agency
DRAWING NO.
TYPICAL MHU DETAILS A-1
REV 02-03-25. Feb 03, 2025
APPENDIX A
Dwg. No. Title A-1 Cover Page A-2 Miscellaneous Height Requirement Details A-3 Miscellaneous Height Requirement Details A-4 Kitchen Sink Access Panel Details A-10 Door Details A -11 Door Flashing Details A-20 Window Details A-21 Window Flashing Details A-30 Miscellaneous Details A-30.1 Miscellaneous Details A-31 Miscellaneous Details A-32 Miscellaneous Details A-33 Optional Detachable Hitch Details A-34 Optional Detachable Hitch Details A-35 Optional Dehumidifier A-40 Chassis AC Mount Details A-50 TPS Closet Plan and Notes (14' Wide) A-51 TPS Closet Elevations (14' Wide) A-52 TPS Closet Details (14' Wide) A-60 Sprinkler Riser Plan and Detail (8' Wide) A-70 thru Reserved A-74
INDEX
TITLE:
Scale: NTS
3/12/2021FEMA Manufactured Housing Units Federal Emergency Management Agency
DRAWING NO.
A-1.1
Appendix A Rev 1
REV 11-15-23. Feb 03, 2025
44" MIN.
48" MAX.
18"TO THE SCREW
SWITCHES MUST BE NO HIGHER THAN 48" TO CENTER.
ELECTRICAL OUTLETS
MUST BE NO LOWER THAN
18" ABOVE THE FLOOR TO
THE CENTER OF THE
RECEPTACLE SCREW.
SWITCH & RECEPT DETAIL
48" MAX.
THE HIGHEST BREAKER IN
THE PANEL BOX MUST BE
NO HIGHER THAN 48"
ABOVE THE FLOOR.
MISC. HEIGHT REQUIREMENTS
- ELECTRICAL PANEL
- THERMOSTAT
- FIRE EXTINGUISHER
32"
48" MAX.
26" MAX.
TO THE BOTTOM
FIRE EXTINGUISHER MOUNTED ON THE WALL
MUST NOT PROTRUDE MORE THAN
4" FROM THE WALL SURFACE, IF THE
BOTTOM IS MORE THAN 27" ABOVE
THE FLOOR.
THERMOSTAT
CONTROL FOR
HVAC MUST BE
MOUNTED NO MORE
THAN 48" ABOVE
THE FLOOR.
TITLE:
FEMA Manufactured Housing Units Federal Emergency Management Agency
COMPANY:
MISC. HEIGHT REQUIREMENT DETAILS
Scale: 3/8" = 1'-0"
Date: 6/28/2019 DRAWING NO.
A-2
APPENDIX A
REV. 1
Notes
1. UL listed fire extinguisher with minimum rating of 1A:10:B:C
. Feb 03, 2025
RECOMMENDED
PLACEMENT OF
SHELVING
TO BE UNDER
HORIZONTAL
WAINSCOT TRIM.
AT FEMA'S
DESCRETION
SHELF MAY BE
RELOCATED
FOR UFAS
COMPLIANCE.
CLOSET SHELVING
MUST HAVE LEVER DOOR HANDLES.
THE OPERABLE PARTS OF THE
HARDWARE, INCLUDING DEAD
BOLTS, MUST BE MOUNTED AT A
HEIGHT BETWEEN 34" MIN. AND 48"
MAX. ABOVE FLOOR.
DOOR HARDWARE DETAILS
MEDICINE CABINET & LAV DETAIL
" M
AX
BO
TT
OM
O F
MI
RR
OR
MEDICINE CABINET 3" DEEP
MIN. 450 SQ. IN. MIN.
PLANT TO
INSTALL SHELF
AT THIS HEIGHT
" M
AX
15" MIN.
" M
AX
" M
AX
" M
AX
" M
AX
TO
P
OF
B
OT
TO
M
SH
EL
F
SEE NOTE 1 BELOW.
NOTES:
1. LAV HEIGHT AND FAUCET DESIGN SHALL NOT
INTERFERE WITH THE MEDICINE CABINET
DOOR OPENING.
SEE NOTE 1 BELOW.
NOTES:
1. ALL INTERIOR AND EXTERIOR DOORS
SHALL HAVE 3 HINGES.
Federal Emergency Management Agency
COMPANY:
MISC. HEIGHT REQUIREMENT DETAILS
Scale: 3/8" = 1'-0"
Date: 6/28/2019 DRAWING NO.APPENDIX A
A-3REV. 1
REV 02-03-25. Feb 03, 2025
END STUD-
2x3 #2 SPF AT EACH SIDE OF SINK
/WORK SPACE OPENING,
FASTENED INTO CABINET OR
BACKER IN WALL W/ #8 SCREWS
AT 16" O.C. (MIN. 1" PENETRATION).
BLACK LAMINATED SLAB
COUNTERTOP MATERIAL
FASTENED TO 2X3s TOP AND
BOTTOM W/ #8 SCREWS W/
GROMMETS BOTH ENDS OF
ACCESS PANEL.
A
A 8' WIDE EXPRESS MHU SINK ACCESS PANEL ELEVATION 14' WIDE MHU SINK ACCESS PANEL ELEVATION
A
A
SECTION A-A
END STUD DETAIL
END STUDEND STUD END STUD
END STUD
9"
6" CABINET STILE
6"
8"
LAV GUARD 2 INTERNAL RIBBED
VINYL OR EQUIVALENT DRAIN LINE
PROTECTOR.
1/
2"
B
B
6"
9"
SECTION B-B
CENTER BRACE DETAIL
2" 2"
EXTERIOR WALL
23/32" OSB OR PLYWOOD BACKER
24" LONG MIN. FASTEN INTO
BRACES W/ 2-#8x3" SCREWS EACH
CONNECTION.
FASTEN BACKER TO 2 EXTERIOR
WALL STUDS (ONE EACH SIDE OF
BRACE) W/ 2-#8x3" SCREWS INTO
EACH STUD. (TYPICAL TOP AND
BOTTOM BRACE).
2-2x3 #2 SPF BRACES (TOP
& BOTTOM) FASTEN TO
ACCESS PANEL STIFFENER
W/ 2-#8 SCREWS (MIN 1"
PENETRATION)
BLACK LAMINATED SLAB
COUNTERTOP MATERIAL
FASTENED TO 2X3s TOP AND
BOTTOM W/ #8 SCREWS W/
GROMMETS BOTH ENDS OF
ACCESS PANEL.
2x3 #2 SPF ACCESS
PANEL STIFFENER
Federal Emergency Management Agency
COMPANY:
ACCESS PANEL DETAILS Scale: NTS
Date: 6/28/2019 DRAWING NO.
A-4
KITCHEN SINK APPENDIX A
REV. 2
REV 06-03-22
VINYL SIDING
WATER-RESISTIVE BARRIER
7/16" OSB SHEATHING
1/2" GYPSUM WITH PAINT FINISH
FIBERGLASS BATT INSULATION
TRIM
DOOR
(2) - 2x4 HEADER
INTERIOREXTERIOR
VINYL SIDING
WATER-RESISTIVE BARRIER
7/16" OSB SHEATHING
1/2" GYPSUM WITH PAINT FINISH
FIBERGLASS BATT INSULATION
TRIM DOOR
(2) - 2x4 STUDS
INTERIOR
EXTERIOR
VINYL SIDING J-CHANNEL
ALL AROUND DOOR FRAME
VINYL SIDING J-CHANNEL
ALL AROUND DOOR FRAME
HEADER DETAIL
JAMB DETAIL
INTERIOREXTERIOR
PERIMETER
RAIL
FLOOR
DECKING
FLOOR JOIST
SILL DETAIL
UFAS COMPLIANT SILL TO
BE SET IN TWO
CONTINUOUS BEADS OF
SILICONE CAULK LOCATED
AS SHOWN. SILL TO BE
FASTENED DOWN WITH
FASTENERS PROVIDED BY
DUNBARTON OR
EQUIVALENT. FASTENERS
SHALL NOT BE OVERDRIVEN
THAT WILL WARP THE SILL.
TITLE:
FEMA Manufactured Housing Units Federal Emergency Management Agency
COMPANY:
DOOR DETAILS
Scale: NTS
Date: 6/28/2019 DRAWING NO.APPENDIX A
A-10REV. 2
Door Detail Notes
1. All exterior doors shall be insulated fiberglass Dunbarton Rediflex steel frame outswing fiberglass door and ADA sill or equivalent.
2. Door assemblies shall contain an integral J-channel above the door assembly.
3. All exterior doors, shall be outswing with primary and secondary seals, whose primary seam surrounds the perimeter of the door.
4. Doors shall meet HUD CFR 3280.405 requirements and shall be compliant with Wind Zone III (3280.305).
5. Fasten doors with #8 x 1 ½” screws spaced per manufacturer’s test report.
6. A continuous water-resistive barrier, DuPont™ Tyvek®, or equivalent, installed behind the exterior wall covering. REV 4-24-20
STANDARD CUT
INSTALL THE DOOR PLUMB
LEVEL AND SQUARE
AS PER MANUFACTURER'S
INSTRUCTIONS
INSTALL 6" WIDE SELF-ADHERING
FLASHING COVER OVER
NAILING FLANGE AT JAMBS
INSTALL METAL DRIP CAP
FOLD HOUSE WRAP BACK DOWN
AND TAPE ACROSS THE HEAD OF
WINDOW AND THEN TAPE
DIAGONAL CUTS.
EXTEND FLASHING MIN 2"
BEYOND JAMB FLASHING
INSTALL 6" SELF-ADHERING
FLASHING OVER DRIP CAP
NAILING FLANGE
INTERIOR VIEW
NTS
SEAL ENTIRE DOOR FRAME TO INSIDE
OF THE ROUGH OPENING TO FORM
A CONTINUOUS AIR SEAL.
STEP 5 STEP 6 STEP 8STEP 7
EXTERIOR DOOR
UP TO A 1/2" RISE IN THRESHOLD
1/2" HIGH, UP TO 1:2 SLOPE,
SAFE-PATH RUBBER BUTTED
TO THE EXTERIOR DOOR
THRESHOLD
EXTERIOR DOOR THRESHOLD
NTS
FOLD HOUSE WRAP
IN AT JAMBS
CUT HOUSE WRAP
HOUSE WRAP OVER
WALL SHEATHING
LINE OF DOOR OPENING
TEMPORARILY FOLD UP AND
SECURE HOUSE WRAP
TEMPORARILY FOLD UP AND
SECURE HOUSE WRAP
APPLY A SELF-ADHERING
FLASHING MEMBRANE
(SILL + 4" ABOVE FLOOR)
INSTALL SILL PAN FLASHING
SEALED TO WOOD FLOOR
APPLY 3/8" NOM. CONTINUOUS
BEAD OF SEALANT TO THE BACK
OF THE DOOR FLANGE IN
LINE WITH PRE-PUNCHED
HOLES / SLOTS.
STEP 1 STEP 2 STEP 4STEP 3
TITLE:
FEMA Manufactured Housing Units Federal Emergency Management Agency
COMPANY:
DOOR FLASHING DETAILS
Scale: NTS
Date: 6/28/2019 DRAWING NO.APPENDIX A
A-11REV. 3
Door Flashing Detail Notes
1. Install self-adhering flexible flashing at perimeters of door frame and seal door frame to the water-resistant barrier as shown in the details.
2. Flashing shall be pliable and adhesive waterproofing membrane with a removable release liner. Flashing shall be self-adhering ice and water shield type product.
3. Cut flashing in lengths required for application as indicated on the details.
4. Seal over all fastening screw heads at doors before installing flashing around the door frame.
5. Door installation shall be per manufacturer’s installation instructions.
6. Self adhering flashing shall be rolled after placement.
7. House wrap shall be a continuous water-resistive barrier, DuPont™ Tyvek®, or equivalent, installed behind the exterior wall covering.
8. Door flashing details do not apply to Appendix D - Wildland - Urban Interface
Fire Area Construction. Doors shall be flashed per door manufacturer and LP SmartSide or equivalent WUI Installation instructions. REV 02-03-25
VINYL SIDING
WATER-RESISTIVE BARRIER
7/16" OSB SHEATHING
1/2" GYPSUM WITH
PAINT FINISH
FIBERGLASS BATT
INSULATION
TRIM
WINDOW
INTEGRAL J-CHANNEL
WINDOW FRAME
(2) - 2x4 HEADERS
VINYL SIDING
WATER-RESISTIVE BARRIER
7/16" OSB SHEATHING
1/2" GYPSUM WITH PAINT FINISH
FIBERGLASS BATT INSULATION
TRIM
WINDOW FRAME
(1) - 2x4 SILL
SILL TRIM
VINYL SIDING
WATER-RESISTIVE BARRIER
7/16" OSB SHEATHING
1/2" GYPSUM WITH
PAINT FINISH
FIBERGLASS BATT
INSULATION
TRIM
WINDOW
(2) - 2x4 STUDS
INTERIOR
EXTERIOR
INTEGRAL J-CHANNEL
WINDOW FRAME
HEADER DETAIL
SILL DETAIL
JAMB DETAIL
INTEGRAL J-CHANNEL
WINDOW FRAME
WINDOW FRAME
JAMB TRIM
WINDOW FRAME
HEADER TRIM
WINDOW
TITLE:
FEMA Manufactured Housing Units Federal Emergency Management Agency
COMPANY:
WINDOW DETAILS
Scale: NTS
Date: 6/28/2019 DRAWING NO.APPENDIX A
A-20REV. 2
Window Detail Notes
1. Windows shall be low-e with vinyl frame. For U-value & SHGC see FEMA spec's.
2. Windows shall meet HUD CFR 3280.403 and 3280.404 requirements.
3. Fasten windows with #8 x 1 1/2" screws @ 4" o.c. all along the opening.
4. A continuous water-resistive barrier, DuPont™ Tyvek®, or equivalent, installed behind the exterior wall covering. REV 4-24-20 . Feb 03, 2025
CUT HOUSE WRAP @ A 45° ANGLE
LINE OF WINDOW OPENING
STANDARD OR MODIFIED I-CUT
HOUSE WRAP OVER WALL SHEATHING
TEMPORARILY FOLD UP AND
SECURE HOUSE WRAP
FOLD HOUSE WRAP IN
AT JAMBS AND SILL
SLOPE SILL ROUGH
OPENING TO EXTERIOR
TEMPORARILY FOLD UP AND
SECURE HOUSE WRAP
MECHANICALLY FASTEN
FANNED EDGES
(CAP NAILS, STAPLES)
INSTALL 9" WIDE SELF
ADHERING FLEXIBLE FLASHING
AT SILL.
EXTEND FLASHING UP
JAMBS 6" MIN.
ALIGN FLASHING WITH INTERIOR
EDGE OF SILL ROUGH OPENING
APPLY 3/8" NOM. CONTINUOUS
BEAD OF SEALANT TO THE BACK
OF THE WINDOW FLANGE IN
LINE WITH PRE-PUNCHED
HOLES / SLOTS.
INSTALL WINDOW PLUMB
LEVEL AND SQUARE
AS PER MANUFACTURER'S
INSTRUCTIONS
INSTALL 6" WIDE SELF-ADHERING
FLASHING COVER OVER
NAILING FLANGE AT JAMBS
INSTALL METAL DRIP CAP
EXTEND FLASHING MIN. 1"
BELOW SILL FLEXIBLE FLASHING
EXTEND FLASHING MIN 2"
BEYOND JAMB FLASHING
INSTALL 6" SELF-ADHERING
FLASHING OVER DRIP CAP
NAILING FLANGE
FOLD HOUSE WRAP BACK DOWN
AND TAPE ACROSS THE HEAD OF
WINDOW AND THEN TAPE
DIAGONAL CUTS.
SEAL WINDOW FRAME TO INSIDE OF R.O.
W/ SEALANT AT SILL AND A MIN. 12" UP
BOTH JAMBS. SEAL BALANCE OF FRAME
WITH SEALANT OR NON-EXPANDING
FOAM. (PROVIDE BACKER ROD WHERE
REQUIRED)
SELF ADHERING FLEXIBLE FLASHING
FLUSH WITH INTERIOR SIDE OF SILL.
INTERIOR VIEW
NTS
STEP 1 STEP 2 STEP 4STEP 3
STEP 5 STEP 6 STEP 8STEP 7
MODIFIED CUT
TITLE:
FEMA Manufactured Housing Units Federal Emergency Management Agency
COMPANY:
WINDOW FLASHING DETAILS
Scale: NTS
Date: 6/28/2019 DRAWING NO.APPENDIX A
A-21REV. 3
Window Flashing Detail Notes
1. Install self-adhering flexible flashing at perimeters of window frame and seal window frame to the water-resistant barrier as shown in the details.
2. Flashing shall be pliable and adhesive waterproofing membrane with a removable release liner. Flashing shall be self-adhering ice and water shield type product.
3. Cut flashing in lengths required for application as indicated on the details.
4. Seal over all fastening screw heads at windows before installing flashing around the window frame.
5. Window installation shall be per manufacturer’s installation instructions.
6. Window installation and flashing details are to be consistent with ASTM 2112, Method A-1, except self-adhering flashings shall be used.
7. It is the manufacturer’s responsibility to verify the compatibility of all products. This is includes, but not limited to:
House wrap, sealants and self-adhering flashing materials used during production. WARNING: Sealants and flashing materials may react adversely if not compatible.
8. Install all flashing materials per manufacture’s written installation instructions.
9. Self adhering flashing shall be rolled after placement.
10. House wrap shall be a continuous water-resistive barrier, DuPont™ Tyvek®, or equivalent, installed behind the exterior wall covering.
11. Window flashing details do not apply to Appendix D - Wildland - Urban Interface Fire Area Construction. Windows shall be flashed per window manufacturer and LP SmartSide or equivalent WUI Installation instructions. REV 02-03-25
W/H
1" WIDE NYLON STRAP, WRAPPED TIGHTLY
AROUND WATER HEATER AND SECURED
TO WALL FRAMING MEMBER WITH 2-#8
SCREWS (MIN. 1" PENETRATION). (8) 7/16"x2-1/2"x15 GA. STAPLES WITH 2 ROWS OF STAPLES EQUALLY
SPACED (CUT STUD TO FILLER & BLOCK TO FILLER). NO GLUE REQUIRED.
2-1/4"
5"
1x
FILLER
2x BLOCK 18" MIN.
" M
IN
EXTERIOR WALL
4" RIGID
ALUMINUM DUCT
FLOOR CAVITY
VENT CAP
THE FLOOR PERIMETER RAIL IS CUT TO
ACCOMMODATE AN IN FLOOR DRYER EXHAUST
DUCT AND A DOUBLE BLOCK PERIMETER PIER OR
FEMA JACK STAND SUPPORT MUST BE INSTALLED
ON SITE. SUPPORT LOCATION MUST BE MARKED
WITH A PIER LABEL.
2"x6"x48" GA. GALVANIZED RAIN
DIVERTER W/ TURN UNDER EDGE
TITLE:
FEMA Manufactured Housing Units Federal Emergency Management Agency
COMPANY:
MISC DETAILS
Scale: NTS
Date: 6/28/2019 DRAWING NO.APPENDIX A
A-30REV. 2
TYPICAL INTERIOR WALL NOTCH DETAIL
(FOR SPRINKLER PIPING)A
D
B C
DRYER EXHAUST VENT DETAIL
(14' WIDE MHU'S ONLY)
DEHUMIDIFIER FLOOR DRAIN
Notes
1. FEMA has deleted the dehumidifier drain from all NextGen MHU models. See FEMA TB 2021-36, dated 08-25-2021.
Notes
1. Rain diverter shall be centered over all exterior doors.
2. Diverter shall be slipped up under the 3rd course of shingles from the eave.
3. Diverter shall be fastened with typical roofing staple or nail at 8" o.c. sloped
1/2" toward hinge side of door.
4. All fastener heads shall be covered with roofing cement.
RAIN DIVERTER DETAIL
WATER HEATER STRAPPING DETAIL
Notes
1. Water heater shall be secured to water heater compartment wall framing per water heater manufacturer's installation instructions.
2. In the absence of water heater securement directions by the water heater manufacturer:
A. The water heater shall be strapped per Detail A and within the upper one-third and lower one-third of water heater's vertical dimension.
B. At the lower strapping point, a minimum of four inches shall be maintained above the water heater controls.
C. Strapping must be located to allow access to water controls and connections without interference when servicing water heater.
3. See General Note 1 on A-30.1.
REV 02-03-25 . Feb 03, 2025
NOTCH FOR
SPRINKLER PIPE
ADDED 2x3
3" MAX.
3" MIN. 3" MIN.
TOP PLATE
DOUBLE TRUSS BOTTOM
CHORDS FASTENING TO
SHEARWALL TOP PLATE
SHALL BE STAGGERED
FROM ONE TRUSS
BOTTOM CHORD TO THE
OTHER TRUSS BOTTOM
CHORD INTO SHEARWALL
TOP PLATE.
TRUSS TO TRUSS
FASTENING AT BOTTOM
CHORD NOT REQUIRED FOR
DOUBLE TRUSSES OVER
END SHEARWALL.
CEILING BOARD
ENDWALL SHEARWALL
FRAMING, OSB AND
INTERIOR GYPSUM
WALL COVERING.
OSB SHEARWALL
SHEATHING
FASTENED TO
TRUSS PER
SHEARWALL NOTE 5
OSB SHEARWALL
SHEATHING JOINT
LOCATION.
SHEATHING SHALL
BE CONTINUOUS
OVER THE TRUSS
BOTTOM CHORD.
OSB SHEARWALL
SHEATHING
FASTENING TO
STUDS PER
SHEARWALL NOTE 4.
TITLE:
FEMA Manufactured Housing Units Federal Emergency Management Agency
COMPANY:
MISC DETAILS
Scale: NTS
Date: 9/20/2021 DRAWING NO.
APPENDIX A A-30.1
F
NOTCH DETAIL
Notes
1. Typical interior wall notch detail at intersecting interior wall (for sprinkler systems).
2. Add a second 2x3 #2 SPF block as shown.
3. Block to be glued (100% glue coverage) and fastened each side of top plate notch with 2 - #8 screws into ceiling backer or truss bottom chord (1" minimum penetration).
4. Block length to be a minimum of 3" beyond notch each side.
5. Notch in top plate for sprinkler piping not to exceed 3".
General Notes
1. Another method of securing the water heater in the absence of water heater securement directions by the water heater manufacturer is (4) 3/4” wide galvanized steel plumbing straps secured from the water heater lid to the water heater compartment framing using #8 screws (min. 1” penetration).This method can only be used when a letter, signed by the technical department / engineering department / or president of the water heater company is provided stating this method is acceptable.
REV 9-8-22
F.2
6"
6"6"
6"
6"
3"
3"
6"
6"
EDGE
END LAP
EDGE
TOP LAP
EDGE
EDGE
TYPICAL
3" 3"
UNDERLAYMENT
CEMENT
SHEATHING
DETAIL AT TOP LAP
TYPICAL
6" 6"
UNDERLAYMENT
CEMENT
SHEATHING
DETAIL AT EDGES
AND END LAPS
TYPICAL
30°
MAX.
36"
2" ± 12" 10"
1" 1"
10"
1" 1"
10" 11 2" ± 12"
SEALANT STRIP
SEE NOTE 5
SEE NOTE 4 SEE NOTE 3
SEE NOTE 1
TITLE:
FEMA Manufactured Housing Units Federal Emergency Management Agency
COMPANY:
MISC DETAILS
Scale: NTS
Date: 6/28/2019 DRAWING NO.APPENDIX A
A-31REV. 1
UNDERLAYMENT, CEMENTING DETAIL
THIS DETAIL DOES NOT INCLUDE CEMENTING
REQUIREMENTS FOR REQUIRED ICE
DAMMING PROVISIONS.
F
G
Notes
1. FASTENERS SHOULD BE PLACED 1" IN FROM EACH END OF THE SHINGLE WITH A PLUS OR MINUS 1/2"
TOLERANCE. DISTANCE OF A STAPLE FROM THE END OF THE SHINGLE SHOULD BE MEASURED FROM
THE STAPLE LEG CLOSEST TO THE SHINGLE END.
2. THE FASTENERS ABOVE THE CUT-OUTS SHOULD BE PLACED IN SUCH A WAY THAT THE MIDDLE OF THE CROWN OF THE STAPLE OR THE CENTER OF THE NAIL HEAD IS PLUS OR MINUS 1" TO EITHER SIDE OF
THE CENTER OF THE CUT-OUT.
3. DEVIATION FROM THE HORIZONTAL UP TO AN ANGLE OF 30 DEGREES IS ACCEPTABLE.
4. FASTENERS IN THE SEALANT WILL BE ACCEPTABLE WHEN THE LOCATION OF THE SEALANT STRIP IS SUCH THAT THE FASTENERS CANNOT BE PLACED ACCORDING TO THE DIRECTIONS PRINTED ON EACH BUNDLE WRAPPER. FASTENERS SHOULD ONLY BE PLACE ABOVE THE SEALANT LINE IF THE LOCATION OF THE SEALANT STRIP IS LESS THAN 3/4" FROM TOP OF CUT-OUT. IF FASTENERS CAN NOT BE PLACED AS DESCRIBED, THEY MAY BE LOCATED NO MORE THAN 1/2" ABOVE THE TOP EDGE OF THE SEALANT
LINE AND MUST BE DRIVEN FLUSH TO THE SURFACE OF THE SHINGLE.
5. ALTERNATE FASTENER LOCATION IS PERMITTED ONLY WHEN BOTTOM EDGE OF SEALANT STRIP IS
LESS THAN 3/4" FROM TOP OF CUT-OUT.
6. ALT. FASTENER LOCATION AT SHINGLE ENDS IS 3" MAX. FROM THE EDGE RAIL SO THAT FASTENERS
SEAT FIRMLY IN THE DECKING MATERIAL. STRICTEST REQUIREMENTS SHALL BE USED.
7. REFER TO MANUFACTURER'S INSTRUCTIONS IN THE EVENT OF CONFLICT WITH THE INSTRUCTIONS
PROVIDED WITHIN THIS DETAIL.
8. FOR SHINGLE INSTALLATION AT EAVES, RAKES AND RIDGE SEE APPENDIX C, C-10.1 & C-10.2 - FEMA
RECOVERY ADVISOR NO. 2.
9. ICE DAMMING SHALL BE INSTALLED PER CURRENT ARMA GUIDELINES. REV 12-20-19
10 STAINLESS STEEL POP
RIVETS. LOCATE AS
SHOWN
8"x12"x26 GA. METAL POP
RIVETED TO JUMBO
MOUNTING BLOCK
8"x12"x VINYL SIDING
JUMBO MOUNTING BLOCK
(MID-AMERICA OR
EQUIVALENT) 14
4"8"
10"
TITLE:
FEMA Manufactured Housing Units Federal Emergency Management Agency
COMPANY:
MISC DETAILS
Scale: NTS
Date: 6/28/2019 DRAWING NO.APPENDIX A
A-32REV. 1
H
Transponder Sled Detail
Notes
1. See FEMA Additional Requirements, Section 15.5 for texture and color of metal and mounting block.
2. See FEMA drawing package elevations for location.
3. The transponder mounting (transponder sled) location shall (X) not impact the functionality and performance of the transponder, damage the MH and/or the transponder under any circumstance.
4. The transponder location shall (X) be accessible.
5. The transponder location shall (X) allow removing the transponder without any special tool without damaging the MHU, the surface or the transponder.
6. There shall (X) not be any object obstructing the signal that is emitted and/or received from the satellites.
FEMA Supplied Transponder
REV 1-17-23
/2 "M
AI
N
I-
BE
AM
S
(1 4'
W
ID
E M
H U
AL
T.
1/
2" M
AI
N
I-
BE
AM
S
(1 4'
W
ID
E M
H U
/2
" M
AI
N I-
BE
AM
S (E
XP
R
ES
S
M H
U O
N
LY
SEE TYPICAL MAIN
I-BEAM PLATE AND HITCH
PLATE DETAILS 'C' & 'D'
ON PAGE A-34.
SEE TYPICAL FRONT
HEADER PLATE AND
HITCH PLATE DETAILS
'A' & 'B' ON PAGE A-34.
HITCH
FR
O
N T
H
EA
D
ER
DETACHABLE HITCH
(VIEWED FROM BELOW)
C R
O
SS
M
EM
BE
R
(T
YP
O U
TR
IG
G
ER
(T
YP
' W
ID
E M
H U
O N
LY
HITCH
O U
TR
IG
G
ER
(T
YP
' W
ID
E M
H U
O N
LY
42"48"
SEE TYPICAL MAIN
I-BEAM PLATE AND
HITCH PLATE DETAILS
'C' & 'D' ON PAGE A-34.
SEE TYPICAL FRONT
HEADER PLATE AND
HITCH PLATE DETAILS
'A' & 'B' ON PAGE A-34.
MAIN I-BEAM
FRONT HEADER
FRONT HEADER AND
HITCH PLATES
MAIN I-BEAM AND HITCH PLATES
HITCH REINFORCEMENT - 12"x10.8 I-BEAM
UNDER FRONT HEADER AND CENTERED
BETWEEN FRONT HEADER AND COUPLER.
TYPICAL DETACHABLE HITCH
(SIDE VIEW)
SEE PAGE A-34 FOR JACK SUPPORTS DETAILS
UPPER JACK SUPPORT PLATE - SEE NOTE 5.
VENTURE 2 5/16" - 60° 10,000 LB COUPLER OR
EQUIVALENT. SEE NOTE 5.
JACK - VENTURE TOP MOUNT, 10,000 LB
GALVANIZED OR EQUIVALENT.
LOWER JACK SUPPORT PLATE - SEE NOTE 5.
TITLE:
FEMA Manufactured Housing Units Federal Emergency Management Agency
COMPANY:
OPTIONAL DETACHABLE
Scale: NTS
Date: 1/17/2023 DRAWING NO.APPENDIX A
A-33REV. 1HITCH DETAILS
Notes
1. Hitch I-beam - 12"x10.8 lb.
2. Hitch shall be painted green.
3. All weld lengths stated or shown are minimum lengths and shall have a tolerance of minus 1/4".
4. Weld lengths that are not noted shall be full length and shall have a tolerance of minus 1/4".
5. Coupler and upper/lower jack support plates shall be welded per manufacturer's installation instructions. See page A-34 for details.
6. 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.
7. Connecting bolts shall be 1/2"x1-1/2" steel bolts (Grade 5) ,lock washer and nut.
8. PE seal is not representing an engineering analysis per 3280.903.b.2. PE seal is to certify that the specifications on this page meets FEMA specifications. FEMA NextGen
MHU Additional Requirements Section 29.1 states a transportation test is required therefore meeting 3280.903.b.1 therefore no calculations are required. Each FEMA vendor must provide a transportation test on the first NextGen MHU of each size (i.e., Express, 1BR, 2BR & 3BR) that is built when using the detachable hitch option.
VENTURE 2 5/16" - 60°
10,000 LB COUPLER
OR EQUIVALENT
UPPER JACK SUPPORT PLATE
(VIEWED FROM BELOW)
LOWER JACK SUPPORT PLATE
(VIEWED FROM BELOW)
UPPER JACK SUPPORT
PLATE CAN BE PLACED
ABOVE OR BELOW
HITCH TOP FLANGE.
VENTURE 2 5/16" - 60°
10,000 LB COUPLER
OR EQUIVALENT
1/8"
TYP.1/8"
TYP.
DETAIL 'A'
TYPICAL FRONT HITCH PLATE
DETAIL 'B'
TYPICAL FRONT HEADER PLATE
DETAIL 'C'
TYPICAL I-BEAM HITCH PLATE
DETAIL 'D'
TYPICAL MAIN I-BEAM PLATE
6"x9"x1/4" STEEL
FRONT HITCH PLATE
1/8"4"
4" WELD MAY BE 4"
CONTINUOUS OR A
COMBINATION OF SMALLER
WELDS PROVIDED THAT
THE TOTAL LENGTH OF
THE WELD IS NOT LESS
THAN 4" (TYPICAL)
TYP.
6"x9"x1/4" STEEL FRONT
HEADER PLATE
1/8"9"
TYP.
6"x9"x1/4" STEEL
I-BEAM HITCH PLATE
1/8"
TYP.
6"x9"x1/4" STEEL
MAIN I-BEAM PLATE
1/8"
TYP.
6"
HITCH
HITCH
FRONT HEADER MAIN I-BEAM
HOLES SHOWN TO ALIGN WITH
HOLES SHOWN ON DETAIL 'B'
2 CONNECTING BOLTS
REQUIRED. SEE NOTE 1.
HOLES SHOWN TO ALIGN WITH
HOLES SHOWN ON DETAIL 'D'
3 CONNECTING BOLTS
REQUIRED. SEE NOTE 1.
DETAIL 'E'
TYPICAL HOLE LOCATION
1"
1"
Ø 9 16"
TITLE:
FEMA Manufactured Housing Units Federal Emergency Management Agency
COMPANY:
OPTIONAL DETACHABLE
Scale: NTS
Date: 1/17/2023 DRAWING NO.APPENDIX A
A-34REV. 1HITCH DETAILS
Notes
1. Connecting bolts shall be 1/2"x1-1/2" steel bolts (Grade 5) ,lock washer and nut.
2. Holes shall be 9/16" diameter. Typical hole location shall be 1 inch from plate edge to centerline of hole. See Detail 'E'.
±1
/4 +1
/4 -0
14 1/2+1/4 -0
2x3 WALL TOP PLATE
1x3 WALL BOTTOM PLATE
2x3 STUDS
FRONT ELEVATION SECTION A-A
A
A 1 1/2 FACE OF STUD
2x4
1/2" SPACE - 2x4 FRAME
SET OUT FROM BACK OF
STUD WALL BY 1/2"
1/2" GYP
HOLES FOR ELECTRICAL
WIRE AND CONDENSATE
DRAIN LINE
(2) #8x3" SCREWS
EACH SIDE
2x4
2x3 STUD
2x4
2x4
2x4
FRAMED
OPENING
FLOOR JOIST
1 1/2" 45° EL
GREEN DRAIN GD15
1-1/2" WATERLESS TRAP
SEAL OR EQUIVALENT
(PLANT INSTALLED)
AIR ADMITTANCE
VALVE (PLANT
INSTALLED)
INDIRECT WASTE
RECEPTOR WITH AIR
GAP (PLANT INSTALLED)
1 1/2" P-TRAP
DEHUMIDIFIER FLEX
DRAIN TUBE 1/8" MIN.
SLOPE TO DRAIN - 36"
MAX. LENGTH
BB
SEE NOTE 13
SEE NOTE 13
3"x3"x1 1/2" LTTY
3" MAIN DRAIN
(PLANT
INSTALLED)
1 1/2" SAN T
1 1/2" LTEL
SECTION B-B
Scale: 1"=1'
2x4 2x3 STUD
1/2" GYP
1/2" GYP
WHITE FINISHED
TRIM ALL AROUND
OUTSIDE OF BEZEL
SANTA FE BEZEL
OR EQUIVALENT
SANTA FE
ULTRAMD33
DEHUMIDIFIER OR
EQUIVALENT
SANTA FE
ULTRAMD33
COVER OR
EQUIVALENT
TITLE:
FEMA Manufactured Housing Units Federal Emergency Management Agency
COMPANY:
OPTIONAL DEHUMIDIFIER
Scale: 1/2"=1'
Date: 5/8/2023 DRAWING NO.
APPENDIX A A-35
Notes
1. The Sante-Fe UltraMD33 Dehumidifier (Model 4035900) and 2x4 Wall Mount Bezel Kit Part No. 4037767) or equivalent shall be installed per manufacturer's installation instructions.
2. FEMA, at their discretion, may order MHU's with the dehumidifier plant installed or future field installation. FEMA vendors are responsible for verification based on contract signed with FEMA.
3. All MHU's are to be built with completed drain line and electrical terminated in a junction box.
4. The dehumidifier must be furred out from the face of the wall to assure a minimum of 1/2 inch clearance behind the dehumidifier and the wall surface.
5. The dehumidifier shall be installed on a dedicated 15 amp GFCI circuit.
6. The electrical line shall be routed out the bottom of the dehumidifier.
7. The electrical wiring and connection to the dehumidifier shall comply with the 2005 National Electrical Code (NEC).
8. The condensate drain from the dehumidifier shall be routed out the bottom of the dehumidifier into the indirect waste receptor with air gap.
9. The dehumidifier shall be located one (1) foot down from the finished ceiling plus or minus one (1) inch.
10. The dehumidifier opening width has a tolerance of plus 1/4".
11. The dehumidifier opening length has a tolerance of plus 1/4".
12. The dehumidifier shall be placed 10" or more from any wall or per manufacturer's installation instructions.
13. Holes for condensate drain and electrical located per dehumidifier installation instructions.
REV 02-03-25 . Feb 03, 2025
8"" MAX.
8" x 6.5# I-BEAM
FLOOR
I-BEAM
EN
D
W
AL
L
12" MIN.
1/8" FILLET WELD TOP, BOTTOM,
AND ONE SIDE OF I-BEAM TO THE WEB
OF I-BEAM HEADER
EXTERIOR ELECTRICAL JUNCTION BOX
ELECTRICAL CONDUCTORS INSTALLED
BETWEEN JUNCTION BOX AND A/C UNIT TO BE
RATED FOR EXTERIOR USE AND INSTALLED
WITHIN AN APPROVED EXTERIOR RATED
LISTED METAL RACEWAY OR LISTED RIGID
NON-METALLIC CONDUIT
AIR CONDITIONER COMPRESSOR UNIT W/
PROTECTIVE COVER. SEE FEMA SPEC.
HOLD DOWN CLIPS EACH CORNER.
USE 1/4" DIA. MIN. CORROSION RESISTANT "TEK"
SELF TAPPING SCREWS TO FASTEN HOLD DOWN
CLIPS TO SUPPORTS.
2x2 MIN. RUBBER VIBRATION DAMPING PAD
REQUIRED UNDER EACH HOLD DOWN.
SIDE VIEW
CROSSMEMBER
CORNER TO HAVE 2" RADIUS MINIMUM.
AC MOUNT DETAILS 18
" M
AX
13"±2"
3" x 9" PLATE
1/8" MIN THICKNESS
SHARP EDGES
ROUNDED AT LEAST
1" RADIUS
NOTE:
AC CONDENSER I-BEAM SPACING AND PLATE LOCATION DIMENSIONS ARE APPROXIMATE
AND MAY VARY PER MANUFACTURER INSTALLATION INSTRUCTIONS.
BOTH SIDES
OF SPLICE
PLATE
1/8" 1/8"
EQ. I-BEAM SPACING VARIES EQ.
2"
1/8" FILLET WELD
TOP, BOTTOM, AND ONE SIDE
OF I-BEAM TO THE WEB
OF I-BEAM HEADER
3" ROUND (±1/2") HOLE IN WEBBING FOR A/C LINE
HOOK UP w/ PRETECTIVE SLEEVE
(LOCATED TO THE RIGHT OF ADDED SUPPORT BEAM)
3" DIA. PVC PIPE AT LEAST 6" LONG
FRICTION FIT IN HOLE.
PLAN VIEW
END VIEW
PERIMETER OF A/C UNIT
13 GA. "C" CROSSMEMBER 1-1/2"x3"x1-1/2"x2' (SPLIT FURNACE/AC MHU's ONLY) 1/8"
FILLET WELD TO HEADER & MAIN I-BEAM
(2-1/2" MIN LENGTH WELD)
SEE NOTE 1
SEE NOTE 1
FEMA Manufactured Housing Units Federal Emergency Management Agency
COMPANY:
CHASSIS AC MOUNT DETAILS
TITLE:
Scale: NTS
Date: 6/28/2019
VERSION:
SCALE: 1/4" = 1'-0"
SCALE: 3/8" = 1'-0"
DRAWING NO.APPENDIX A
A-40REV. 1
Notes
1. Lag bolt hole location above AC platform I-beam may be moved plus or minus 2".
This lag bolt hole location only. REV 11-15-23
TPS TANK
"D" RINGS FOR TPS
SECUREMENT
WITH RATCHET
STRAP (TYPICAL 4
PLACES) SEE A-51,
ELEVATION 3&4.
2" RATCHET STRAPS
WITH DOUBLE "J"
HOOK ENDS. STRAPS
TO ENCIRCLE TPS
SYSTEM.
TPS
11 8"
5"
8"
20"
4 A-51
31"5"
"D" RINGS FOR TPS
SECUREMENT WITH
RATCHET STRAP
(TYPICAL 4 LOCATIONS)
OUTLINE OF ALTERNATE
TPS SYSTEM
30 AMP,240V NEMA,
DRYER RECEPTACLE.
SEE ELEVATION 2.
SPRINKLER RISER DRAIN
LINE SHALL DISCHARGE TO
THE EXTERIOR. IT SHALL BE
ROUTED THROUGH THE
CENTER OF THE PERIMETER
RAIL. SEE A-52, DETAIL 1.
" T
O
0"
NOTE:
OVERHEAD LIGHT, SPRINKLER
STORAGE BOX, 110 RECEPTACLE,
ANNUNCIATOR CONDUIT AND
WALL BACKERS NOT SHOWN FOR
CLARITY.
3" M
AX
56"
8"
FLOOR DRAIN (4 1/4" DIA.) SHALL
BE 3" MAX. FROM THE INTERIOR
FACE OF EITHER WALL OF TPS
COMPARTMENT. IT SHALL
DISCHARGE TO THE EXTERIOR
AND ROUTED THROUGH THE
CENTER OF THE PERIMETER RAIL.
ANNUNCIATOR PANEL
W/ DOUBLE GANG BACK
BOX W/ COVER PLATE -
SEE A-52, DETAIL 2
A
110 VOLT DUPLEX RECEPT
DIRECTLY BELOW 30 AMP
RECEPTACLE
12x6 RETURN AIR OPENING
8" ABOVE FLOOR.
PLANT INSTALLED VINYL SIDING
MOUNTING BLOCK. FIELD
INSTALLED TPS ALARM BY
SPRINKLER CONTRACTOR. SEE
A-52, DETAIL 3.
ASPRINKLER DRAIN
(1 1/2" DIA.)
DRYER VENT
23"
1" TO 1 1/2" MAX10"
TITLE:
FEMA Manufactured Housing Units Federal Emergency Management Agency
COMPANY:
TPS CLOSET - PLANS & NOTES
Scale: 1/2"=1'
Date: 6/28/2019 DRAWING NO.APPENDIX A
A-50REV. 3
TPS CLOSET - PLAN SECTION A-A - TPS STRAPPING
TPS Closet Notes
1. The TPS system is provided by FEMA. Vendor is limited to placement into the TPS closet and securing the unit in place in accordance with the instructions and strapping provided with the TPS. All connections are to be done in the field. MHU manufacturer will need to ensure that the TPS overwrap is removed and that the TPS parts kit (cardboard box) is placed on the floor of the closet.
2. The 36” nominal locking door for the TPS closet (Ref FEMA Spec. 10.1) shall be provided with a deadbolt lock. The deadbolt lock shall be Schlage 6 pin Everest cylinder, C123 keyway with the 6 pin combination of 746105 or equivalent.
3. The TPS lever door handle shall have no lock. The TPS door shall have a dead bolt. The TPS door dead bolt shall be keyed the same as the dead bolt on the MHU water heater compartment door.
4. Plant installed vinyl siding mounting block shall be 60" to the center above the floor and 10" from the TPS door opening to the centerline of the mounting block.
5. The TPS annunciator panel shall be mounted on a double gang box in the location and height as shown on the drawings. The flexible PVC conduit shall be from the double gang box with a pull string to the single gang box with cover plate located by the 110 volt receptacle in the TPS closet as shown on the drawings. The flexible PVC conduit shall extend one inch maximum into the gang boxes.
6. The Pex sprinkler riser shall permit the rotation of the point of connection around the vertical axis of the sprinkler riser. A brass elbow shall be used to permit this rotation. If CPVC pipe is used, a solvent welded spears short repair coupling shall be installed to permit this rotation.
7. The water connector to the sprinkler riser shall be a 1” cam locking fitting with dust cap that complies with FEMA Spec.
8. The drain and vent manifold shall be provided with drain connections for the TPS tank, the sprinkler riser, the TPS tank overflow and the TPS vent line.
9. Register grilles on each side of wall shall be corrosion resistant.
(14' WIDE)
REV 1-17-23
" C
EN
TE
R
LI
N E
O F
VI
N
YL
SI
D
IN
G M
O U
N
TI
N G
B
LO
C K
10"
8"
4 10
2"
16" TO 20"
10" TO 14"
2"
6"
" T O
3"SEE DETAIL 1,
A-52
TITLE:
FEMA Manufactured Housing Units Federal Emergency Management Agency
COMPANY:
TPS CLOSET - ELEVATIONS
Scale: 3/8"=1"
Date: 6/28/2019 DRAWING NO.APPENDIX A
A-51REV. 3
ELEVATION 1 ELEVATION 2 ELEVATION 3 ELEVATION 4
(14' WIDE)
TPS Notes
1. Metal MHU Document Bin
2. Plant installed vinyl siding mounting block. See A-52, Detail 3.
3. Red sprinkler system document storage case shall be a Justrite No. 23304, or equivalent.
4. TPS sprinkler head. See A-52, Detail 5.
5. Sprinkler piping
6. Reliable red sprinker storage cabinet, model A4 (large) or equivalent.
7. Wall switch to wall light. See note 9.
8. Reserved.
9. Wall light w/ clear shatter resistant plastic globe
10. Sprinkler pipe support bracket at 16" o.c. max. See A-52, Detail 6.
11. 240 electric dryer receptacle w/ round hole at top & "L" at the bottom.
12. 110 receptacle
13. 1" male cam-locking fitting. Fitting rotated around the brass elbow fitting so that the fitting is flush against the wall for TPS installation into the closet. Locking dust cap required.
14. D-ring tie down secured to wall backer with 2-#8 screws each "D"-ring (minimum 1" penetration).
15. 1" diameter conduit stub-out 43" AFF from double-gang back box for annunciator panel on living room wall. Conduit extends 1" +/- 1/4" from face of drywall inTPS closet.
16. Floor drain extend to 1" min. beyond vinyl siding w/ PVC drain and model SVC-IS15 with stainless steel insect screen or equivalent.
17. Connection port for water tank overflow and tank vent. Angle out 45° from exterior wall.
18. Connection port for water tank drain. Angle out 45° from exterior wall.
19. Sprinkler riser (see Detail 1, A-52). Drain w/ PVC vent screen model
SVC-IS15 or equivalent.
20. 12x6 return air opening 8" above floor.
REV 02-03-25
CPVC SINGLE FASTENER
STRAP TYPE HANGER.
1 12" MIN.
PENETRATION
INTO STUD
2xWALL STUD W/ 12" GYP. BRD.
ATTACH HANGERS TO
STUD WITH MIN. 2" LONG
#10 WOOD SCREW (16"
O.C. MAX.)
CEILING LINE
1"
/4
RIGID PIPE SUPPORT
ATTACHED TO WALL STUD
NOTE: ALARM WILL BE INSTALLED ON SITE.
CONNECTION PORT FOR
SPRINKLER SYSTEM DRAIN &
FILLING TPS TANK.
MANIFOLD CONNECTION
PORT FOR WATER TANK
OVERFLOW AND TANK VENT
MAINFOLD
CONNECTION
PORT FOR WATER
TANK DRAIN
FLOOR DECKING
FLOOR JOIST
BOTTOM BOARD
EX
TE
R
IO
R
W
AL
L
SEAL FLOOR PENETRATION
PIPE HANGER
VENT SCREEN MODEL
SVC-IS15 OR EQUIVALENT ON
1" THREADED PIPE FITTING.PITCH PIPE TO DRAIN
1 IN. DIA. PVC CONDUIT
DOUBLE-GANG
BACK BOX WITH
COVER PLATE FOR
INSTALLATION OF
ANNUNCIATOR
PANEL
PLANT INSTALLED VINYL SIDING
MOUNTING BLOCK. NO HOLES,
CONDUIT OR SINGLE GANG BOX
INSTALLED AT PLANT.
SPRINKLER CONTRACTOR TO INSTALL
TPS ALARM ON SITE.
3" MAX.
MANIFOLD CONNECTION
PORTS SHALL BE 1" FEMALE
NPT THREADS, AND SHALL BE
ALIGNED PARALLEL TO SIDE
WALL OF THE CLOSET.
1" SCHEDULE 40 PVC PIPE
SKIRTING (INSTALLED ON SITE)
" T
O F
LO
O
R
CEILING LINE
SPRINKLER
SOFFISTEEL SPRINKLER
HOUSING OR EQUIVALENT
UPONOR PEX REDUCING
TEE OR EQUIVALENT
6"
/4
THROUGH-WALL MOUNTSURFACE MOUNT
COVER PLATE
UPONOR PEX PIPE
OR EQUIVALENT
CEILING LINE
SPRINKLER
UPONOR PEX REDUCING
TEE OR EQUIVALENT
COVER PLATE
UPONOR PEX PIPE
OR EQUIVALENT
ADAPTER
UPONOR PEX
90° ELBOW OR
EQUIVALENT
1"
/4
INTERIOR WALLS PARALLEL TO TRUSSES -
2x6 #3 SPF BACKER FOR SPRINKLER HOUSING ATTACHMENT CLIP FASTENING IN CEILING ALONG INTERIOR WALLS THAT
RUN PARALLEL WITH TRUSSES.
EXTERIOR & INTERIOR WALLS PERPENDICULAR TO TRUSSES -
SPRINKLER HOUSING CLIPS TO BE SECURED INTO EACH TRUSS.
MANUFACTURER TO COORDINATE LOCATION OF 2x6 BACKER WITH SPRINKLER CONTRACTOR DUE TO POSSIBLE SIZE
DIFFERENCES AND FASTENING METHODS OF SPRINKLER COVERS THAT MAY BE USED.
PERIMETER JOIST HOLE:
1. 1 3/4" MAX. SIZE.
2. HOLE TO BE MINIMUM 2"
FROM TOP AND BOTTOM
OF PERIMETER RAIL.
3. SPRINKLER RISER DRAIN
LINE THROUGH VINYL
SIDING MINI MOUNTING
BLOCK TRIM RING.
PERIMETER JOIST
" F
LO
O
R T
O C
EN
TE
R
LI
N E
O F
VI
N
YL
S
ID
IN
G M
O U
N
TI
N G
B
LO
C K.
1" +/- 1/4"
TITLE:
FEMA Manufactured Housing Units Federal Emergency Management Agency
COMPANY:
TPS CLOSET & SPRINKLER DETAILS
Scale: NTS
Date: 6/28/2019 DRAWING NO.APPENDIX A
A-52REV. 1
DETAIL 1 - SPRINKLER RISER DRAIN
DETAIL 2 - ANNUNCIATOR PANEL
DETAIL 3 - EXTERIOR ALARM
DETAIL 6 - PIPE HANGER
(FOR USE WITH SOFFI-STEEL SHIELD OR EQUIVALENT)
DETAIL 5 - SPRINKLER PIPE/HEADS INSTALLATION
(14' WIDE)
REV 06-03-22
A
A
2" 251
2" 11 2"
4"
1 2" 11 2"
2"
SPRINKLER
RISER W/
INSULATION
SPRINKLER
DRAIN
MAIN I-BEAM
FLOOR JOIST
SPRINKLER
MAIN ABOVE
MHU Sprinkler Riser Options
A
BC
Location A is preferred for sprinkler drain line. At installer's option, locations labeled B and C are acceptable.
No minimum dimensions apply for locations B or C.
Drain and riser must be located inside the wall.
Rigid metal hanger secured to structural member to prevent rotation.
Ceiling
Transition to PEX pipe
Drain line may be any pipe material or size allowed by NFPA 13D
Seal opening around pipe. (Typical) 11
2" Schedule 40 steel pipe.
Galvanized required below the floor. Black iron or galvanized acceptable above the floor.
(1" pipe permitted only above the floor where approved hydraulic calculations show 1".)
Riser clamp
Seal opening in bottom board around pipe with approved tape. (Typical)
1" male NPT thread with cap
2" male cam-locking fitting. Locking dust cap required. but not shown here.
Floor
Bottom Board
1" thick pipe insulation
11" or greater
5"
1"
TITLE:
FEMA Manufactured Housing Units Federal Emergency Management Agency
COMPANY:
SPRINKLER RISER PLANS & DETAILS
Scale: NTS
Date: 6/28/2019 DRAWING NO.APPENDIX A
A-60REV. 1
SPRINKLER RISER PLAN
(8' WIDE EXPRESS)
External TPS Notes
1. The external TPS system is provided by FEMA.
2. The 18” nominal locking door for the riser access shall be provided with a deadbolt lock. The deadbolt lock shall be Schlage 6 pin Everest cylinder, C123 keyway with the 6 pin combination of 746105 or equivalent.
3. The TPS riser access door dead bolt lock shall not be keyed the same as the entry doors to the MHU.
SECTION A-A - SPRINKLER RISER
REV 9-20-21. Feb 03, 2025
Federal Emergency Management Agency
COMPANY:
Scale: NTS
DRAWING NO.APPENDIX A
REV. 1
14' WIDE WHOLE HOUSE GENERATOR Date: 3/12/2021
OPTION (PLANT INSTALLED)
Reserved
A-70 thru A-74
| Sheets and Views |
| 2 - Appendix A Typical NextGen MHU Details - February 03-2025-A-1 COVER |
| 2 - Appendix A Typical NextGen MHU Details - February 03-2025-1.1 INDEX |
| 2 - Appendix A Typical NextGen MHU Details - February 03-2025-A-2 MISC HT REQ |
| 2 - Appendix A Typical NextGen MHU Details - February 03-2025-A-3 MISC HT REQ |
| 2 - Appendix A Typical NextGen MHU Details - February 03-2025-A-4 SINK PANEL |
| 2 - Appendix A Typical NextGen MHU Details - February 03-2025-A-10-DOOR DETAILS |
| 2 - Appendix A Typical NextGen MHU Details - February 03-2025-A-11-DOOR FLASHING |
| 2 - Appendix A Typical NextGen MHU Details - February 03-2025-A-20-WINDOW DETAILS |
| 2 - Appendix A Typical NextGen MHU Details - February 03-2025-A-21-WINDOW FLASHING |
| 2 - Appendix A Typical NextGen MHU Details - February 03-2025-A-30 MISC |
| 2 - Appendix A Typical NextGen MHU Details - February 03-2025-A-30.1 MISC |
| 2 - Appendix A Typical NextGen MHU Details - February 03-2025-A-31 MISC |
| 2 - Appendix A Typical NextGen MHU Details - February 03-2025-A-32 MISC |
| 2 - Appendix A Typical NextGen MHU Details - February 03-2025-A-33 DETACH HITCH |
| 2 - Appendix A Typical NextGen MHU Details - February 03-2025-A-34 DETACH HITCH |
| 2 - Appendix A Typical NextGen MHU Details - February 03-2025-A-35 OPT DEHUMIDIFIER |
| 2 - Appendix A Typical NextGen MHU Details - February 03-2025-A-40 CHASSIS AC |
| 2 - Appendix A Typical NextGen MHU Details - February 03-2025-A-50 TPS |
| 2 - Appendix A Typical NextGen MHU Details - February 03-2025-A-51 TPS |
| 2 - Appendix A Typical NextGen MHU Details - February 03-2025-A-52 TPS |
| 2 - Appendix A Typical NextGen MHU Details - February 03-2025-A-60 |
| 2 - Appendix A Typical NextGen MHU Details - February 03-2025-A-70 |
File details come from the government source that posted it. Updated .