MAILBOXES - Florida Department of Transportation - Home · Mailboxes shall be located on the...

5. Mailboxes shall be located on the right-hand side of the roadway in the

direction of the delivery route, except on one-way roads and streets where

they may be placed on the left-hand side.

Mailboxes on rural highways shall be set with the roadside face of the box

offset from the edge of the traveled way a minimum distance of the greater

of the following:

(a) Shoulder width plus 8" to 12".

(b) 10’ for ADT over 10,000 vpd.

8’ for ADT 100 to 10,000 vpd.

6’ for ADT under 100 vpd

2’-6" for low speed and ADT under 100 vpd.

When a mailbox is installed within the limits of guardrail it should be placed

behind the guardrail whenever practical.

Mailboxes on curbed highways, roads and streets shall be set with the face

of the box between 6" and 12" back of the face of curb. If the sidewalk

abuts the curb or if an unusual condition exists which makes it difficult or

impractical to install or serve boxes at the curb, the Contractor with

concurrence of the local postal authority may be permitted to install all

mailboxes at the back edge of the sidewalk, where they can be served by

the carrier from the sidewalk.

6. Mailboxes shall be set with the bottom of the box between 42" and 48"

above the mail stop surface, unless the U.S. Postal Service establishes

other height restrictions.

7. No more than two mailboxes may be mounted on a support structure unless

the support structure and mailbox arrangements have been shown to be safe

by crash testing in accordance with NCHRP Report 350 and listed on the

Department’s Qualified Products List (QPL).

Neighborhood Delivery and Collection Box Units (NDCBU) are a specialized

multiple mailbox installation that must be located outside the highway

and street clear zones. The location of NDCBUs is the sole responsibility

of the Postmaster for the delivery route under consideration.

8. Lightweight newspaper receptacles may be mounted below the mailbox on the

side of the support post in conformance with the USPS Domestic Mail Manual.

The mail patron shall be responsible for newspaper receptacle installation

and maintenance.

GENERAL NOTES

1. The location and construction of mailboxes shall conform to the rules and regulations

of the United States Postal Service as modified by this design standard.

2. Mailboxes will not be permitted on Interstate highways, freeways, or other highways

where prohibited by law or regulation.

3. The contractor shall give the Postmaster of the delivery route(s) written notice

of project construction 7 days prior to the beginning of work, with Saturdays,

Sundays and Holidays excluded.

The Contractor shall furnish and install one mailbox in accordance with this design

standard at each mail patron delivery location and maintain the box throughout the

contract period. The Contractor shall apply box numbers to each patron box in

accordance with identification specifications of the Domestics Mail Manual of the

U. S. Postal Service; where local street names and house numbers are authorized by

the Postmaster as a postal address, the Contractor shall inscribe the house number

on the box; if the box is located on a different street from the patrons residence,

the Contractor shall inscribe the street name and house number on the box.

The Contractor shall coordinate removal of the patrons existing mailboxes. Immediately

after installing the new mailboxes the Contractor must notify each "Mail Delivery

Patron" by Certified Mail that removal of the existing mailboxes must be accomplished

in 21 days after receipt of notices. Patrons shall have the option of removing their

existing mailboxes or leaving the mailboxes in place for removal by the Contractor;

removal by the Contractor shall be included in the contract unit price for Mailbox, Each.

The Contractor shall dispose of mailboxes and supports in areas provided by him.

Reuse of existing mailboxes by the Contractor will not be a requirement under any

construction project; however where an existing mailbox meets the design requirements

of this standard and is structurally and functionally sound, the Contractor at his option

may elect to reuse the existing mailbox in lieu of constructing a new mailbox. Any use

of existing mailboxes must be approved by the Engineer.

4. Mailboxes shall be light sheet metal or plastic construction, in traditional style only, and

only in Size 1 as prescribed by the Domestic Mail Manual of the U. S. Postal Service (DMM).

Mailbox production standards, lists of approved manufacturers and suppliers of mailboxes,

design approval and guidance may be obtained by writing to the Rural Delivery Division,

Delivery Service Department, Operations Group, USPS Headquarters, Washington, DC

20260.

9. Wood and steel support posts for both single and double mailbox mountings shall be

embedded no more than 24" into the ground.

Concrete, block, brick, stone or other rigid foundation structure or encasement,

either above or below the shoulder groundline, will not be permitted for mailboxes

on rural highways. On urban roads and streets where mailbox support posts are set

within rigid pavement back of curb, the support posts shall be separated from the

pavement by a minimum of 1" of expansion material.

Support posts shall not be fitted nor installed with surface mount base plates.

10. At driveway entrances mailboxes shall be placed on the far side of the driveway

in the direction of the delivery route.

At intersecting roads mailboxes shall be located 100’ or more from the centerline of

the intersecting road on the far side in the direction of the delivery route, with

the distance increased to 200’ when the route volume exceeds 400 vehicles per day.

11. Wood support posts shall be in conformance with the material and dimensional

requirements of Section 952 and the treatment requirements of Section 955 of

the Standard Specifications.

Steel support posts shall have an external finish equal to or better than two coats of

weather resistant, air dried or baked, paint or enamel. Surface(s) shall be cleaned of

all loose scale prior to finishing. The Postal Service prefers that posts be painted

white, but other colors may be used when approved by the Engineer. When galvanized

posts are used painting is not required.

Mounting brackets, plates, platforms, shelfs and accessory hardware surface finishes

are to be suited to support post finish.

12. Mailboxes shall be paid for under the contract unit price for Mailboxes, Each.

Payment shall be full compensation for boxes, posts and accessory items essential

for installation in accordance with this standard; erection; adjustments to suit

construction needs; and, for identification letters and numbers.

Payment shall be limited to one mailbox per patron address whether the mailbox is

new, reused, salvaged, reset or relocated. Payment shall be per mailbox regardless

of the number of mailboxes per support or grouping arrangement.

The above compensation shall include any work and cost incurred by the contractor

for removal and disposal of existing mailboxes.

There shall be no payment participation for NDCBU furnishing, assembly, installation,

resetting or relocation.

Sheet No.

Index No.

2008 FDOT Design StandardsRevision

532

07/01/07

MAILBOXES

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STEEL FLANGED CHANNEL SUPPORT POSTS

POST SPACING

ELEVATION

FRONT VIEW SIDE VIEWFRONT VIEW SIDE VIEW

BOTTOM VIEW

SIDE VIEW

END VIEW

TOP VIEW END VIEW

Platform

Bracket

FLANGED CHANNELFLANGED CHANNEL

Adapter Plate

END VIEWFRONT VIEW

TOP VIEW

2 lb. Per Foot

Flanged Channel

See General Notes

For Finish Requirements

2 Washers, 1 Lockwasher,

#8-32! Slotted Rd. Hd. Bolt3

4

(Stove Bolt) 2 Washers,

Platform

-18! Hex Bolt,21

4


16

5

Platform

Bracket 16

5-16! Hex Bolt,


3

4

Bracket

#8-32! Slotted Rd. Hd. Bolt3

4

(Stove Bolt) 2 Washers,

-18! Hex Bolt,21

4


16

5

Platform

24" M

ax. D

epth

h=

42

" t

o 4

8"

See G

eneral

Note

s

h (Min.) h (Min.)

Ground Line

x 116

1

16

3

13

4 13

413

4 13

4

3 8

1613

21

2 21

2

21

4 21

4

41

2 41

2

17

8

6"

3"

3"

9"

1161

3

1161

3

2161

2161

x3

81

1

4

16

1

Dia.

3"

11

2

1"

2"

3"

Dia. (3 Holes)

32

3

1 2

1"

4"

4" 4"

2"

15"

71

2

21

4 21

4

32

3

3

8x 1

3

8

3

4For Platforms

116

5For Brackets

Nominal

Std. Wt. Pipe

1

2

Note: See General Notes for finish requirements.

SINGLE OR COMBINED WOOD, FLANGED CHANNEL

OR PIPE POST TYPES SHOWN ON THIS INDEX

STEEL PLATFORM

STEEL ADAPTER PLATE

STEEL BRACKET

STEEL SPACER

16

513

4

1 Nut, 1 Spacer (12 Reqd.)

-18 x Hex Bolt

1 Lockwasher, 1 Nut (10 Reqd.)

1 Nut (3 Reqd.)

1 Nut (4 Reqd.)


1 Nut (3 Reqd.)

Slots (4 Reqd.)

1"!3" Slots (4 Reqd.)

Slots (10 Reqd.)

3

4

3

4

3

8

2 Lb. Per Foot

Flanged Channel

See General Notes

For Finish Requirements

Sheet No.

Index No.


532

00

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STEEL PIPE AND WOOD SUPPORT POSTS

9"

POST SPACING

ELEVATION

FRONT VIEW SIDE VIEW

FRONT VIEW SIDE VIEW

TOP VIEW

BOTTOM VIEW

SIDE VIEW

FRONT VIEW

END VIEW

SIDE VIEW

END VIEW

END VIEW

2"

4" 4"

6"

3"

3"

1"

3" 3"

4"

Anti-Twist Plate


Shelf

7"

END VIEW

Bracket

Bracket

Platform

15"

8"

4" X 4" WOOD POST

Platform

3

8 -16! Hex Bolt,


#8-32! Slotted Rd. Hd. Bolt #8-32! Slotted Rd. Hd. Bolt3

43

4

3

8-16!3" Hex Bolt,

2 Washers, 1 Lockwasher,(Flange To Outside)

3

8-16! Hex Bolt,3

4


-16! Hex Bolt,3

8 41

2

h=

42

" t

o 4

8"

See G

eneral

Note

s

h (Min.) h (Min.)

71

2

11

2

11

4

21

4 11

2 11

2 21

4

23 4

23 4

16

7

16

7

116

3

116

3

16

7

1163

1163

1 2

16

1

75

8

23

4 23

4

11

2

3 42

1 43

3 4

71 2

16

7

16

1

Nominal 23

8

Muffler Clamp

31

2

116

5116

5

41 2

21 4

11 2

11 2

1

8

16

7

41

24

1

2

116

3

116

3

23

4 23

4

1

216

7

11

2

1163

1163

11 2

11 2

16

1

R x 11

4

1

4x

1

2 Slots

1 2

7 8

Note: See General Notes for finish requirements

2" \ PIPE POST

3

4

(Stove Bolt), 2 Washers,


1 Nut (12 Reqd.)1 Nut (2 Reqd.)

Muffler Clamp (2 Reqd.)

1 Nut (4 Reqd.)

1 Nut (2 Reqd.)

! Slots (4 Reqd.)

! Slots (4 Reqd.)

! Slots (4 Reqd.)

Dia. (8 Reqd.)

Dia. (4 Reqd.)

Dia. (4 Reqd.)

(Stove Bolt), 2 Washers,

(Flange To Inside)

Slots (4 Reqd.)

SINGLE OR COMBINED WOOD, FLANGED CHANNEL

OR PIPE POST TYPES SHOWN ON THIS INDEX

STEEL PLATFORM

STEEL BRACKETSTEEL CLAMP

STEEL ANTI-TWIST PLATE

STEEL SHELF

3

4

3

4

24" M

ax. D

epth

16

7


Nominal 2" \ (2.375 o.d.) Steel Pipe

Schedule 40 Or Resistance Welded,

ASTM A569 & A669, Min. 50,000 psi

Yield Strength. See General Notes

For Finish Requirements.

Sheet No.

Index No.


532

00

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