STANDARD DETAILS

STREET AND DRAINAGE

FACILITIES IMPROVEMENTS

APRIL 2014

STANDARD DETAILS INDEX

TITLE PWCURB INLET:SINGLE WING PW-1INET W/ BACK OPENING PW-1ACURB INLET PW-1BHEAD WALL PW-2GUTTER DEPRESSION PW-3CURB GRATE INLET (SINGLE) PW-4CURB GRATE INLET (DOUBLE) PW-5CURB INLET/DEPRESSED TOP PW-6AREA INLET PW-6AJUNCTION BOX/CURB INLET PW-7JUNCTION BOX/CURB INLET PW-8THROAT OPENING (NOT IN RADIUS) PW-9THROAT OPENING (IN RADIUS) PW-10JUNCTION BOX IN ROADWAY PW-11 CURB INLET STEPS PW-12

MANHOLE:MANHOLE FRAME AND COVER PW-13TOP ADJUSTMENT-MANHOLE PW-14

DRAINAGE STRUCTURE ACCESSORIES:SADDLE BRANCH WITH RISER PW-15SADDLE BRANCH PW-16

MISCELLANEOUS:MAILBOX INSTALLATION: PW-17PROJECT KIOSK PW-18SUB-DRAIN DETAIL PW-19HANDRAIL DETAIL (ALTERNATE) PW-20HANDRAIL DETAIL PW-21

TYPICAL SECTIONS:RESIDENTIAL STREET PW-22COLLECTOR OR COMMERCIAL STREET PW-23ARTERIAL STREET PW-24

UTILITY SPECIFICATIONS:UTILITY CUT-EXISTING STREET PW-25UTILITY CUT-UNDER NEW CONSTRUCTION PW-26TRENCH BACKFILL REQUIREMENTS PW-27

CURB DETAILS:CLASS 1 & CLASS 2 PW-28CLASS 3 & CLASS 4 PW-29

DRIVEWAY DETAILS:RESIDENTIAL PW-30RESIDENTIAL PW-31RESIDENTIAL PW-32COMMERCIAL PW-33COMMERCIAL PW-34ALLEY TURNOUT PW-35

STANDARD DETAILS INDEX

TITLE PW

MAXIMUM DRIVEWAY GRADING:DETAIL A PW-36DETAIL B PW-37DETAIL C PW-38DETAIL D PW-39DETAIL E PW-40

SIDEWALK DETAILS:SIDEWALK PW-41ADJACENT TO CURB (AT GRADE) PW-42ADJACENT TO CURB (FILL SECTION) PW-43ADJACENT TO CURB (CUT SECTION) PW-44ADJACENT TO CURB (FILL SECTION A) PW-45CROSSOVER BRIDGE PW-46CROSSOVER BRIDGE PW-47

ACCESS RAMP DETAILS:NOTES & RAMP CRITERIA PW-48TYPE 1 PW-49TYPE 2 & TYPE 4 PW-50TYPE 3 PW-51TYPE 3 PW-52TYPE 5 PW-53

RETAINING WALL DETAIL:RETAINING WALL DETAIL PW-54

FENCE DETAIL:CHAINLINK FENCE DETAIL (RESIDENTIAL) PW-55PIPE SLEEVE DETAIL PW-56WOOD FENCE (WOOD POST) PW-57WOOD FENCE (METAL POST) PW-58BASE FLANGE DETAIL PW-59

EROSION CONTROL :GROUTED RIP-RAP PW-60SLOPE ROUNDING PW-61GROUTED RIP-RAP AT FLARED END SECTION PW-62FLARED END SECTION BESIDE STREET PW-62ATEMPORARY EROSION CONTROL DEVICES PW-63TEMPORARY EROSION CONTROL DEVICES PW-64TEMPORARY EROSION CONTROL DEVICES PW-65TREE PROTECTION PW-66BARRICADE TYPE 3 PW-67

RING

& COVER

PW-13

#6

BARS

#6 @ 6" O.C.

EW (EACH WAY) 4'-0" MIN

4'-0" M

IN

6"

2

3

4

"

(2) - #6 BARS

3',6' OR 10' (MAX)

B B

A A

C

C

CURB FACE

4'-0" MIN

6"

2'

ALLO

W 2

" M

IN-6

" M

AX

OF

FA

LL

#6@10" O.C. EW

#6@10" O.C. EW

#6 @ 6" O.C. EW

#6 @ 10" O.C. EW

A-A

6"

6"

6"

8"

6"

HE

IG

HT

V

AR

IE

S

6" CLEARANCE FROM

OUTSIDE OF PIPE TO

INSIDE OF BOX

4" DIA STOOLS . SPACING

NOT TO EXCEED 4'.

B-B

6"

6"

4" SCH 40 PVC TO DRAIN

SUBGRADE DURING CONSTRUCTION

C-C

6"

2'

6"

#6 @ 6" O.C. EW

#6@10" O.C. EW

SEE PW-9, PW-10

FOR THROAT DIMENSIONS

NOTE: ALL REINFORCING TO BE

PLACED 1-1/2" CLEAR TO THE INSIDE

OF THE STRUCTURE.

soil foundation complying with

be installed between the riprap and

4. A filter blanket or filter fabric should

bank, whichever is less.

tailwater depth of to the top of the

elevation of 6" above the maximum

apron up the channel banks to an

3. In a well-defined channel extend the

diameter but not less than 6".

2. D = 1.5 times the maximum stone

is the length of the riprap apron.

a

1. L

Notes

blanket

Filter

Channel

Pipe Outlet to Well-defined

D

Section AA

A

Plan

A

No Well-defined Channel

Pipe Outlet to Flat Area-

A

a

L

Plan

A

d

3d

Section AA

blanket

Filter

D

La

12"

2' MIN

Please see design plans for length.

AASHTO M288.

5. Please see detail PW-60 for grouting.

Use wood or steel posts

NOTE:

FRONT VIEW

Trench

Fabric

6' max. o.c.

SIDE VIEW

4' m

in

.

2.5

' m

in

.

2.5

' m

in

.

1.5

' m

in

.

1.5

' m

in

.

2"

28

"

28

"

6"

6"

Flow

Use wood or steel posts

NOTE:

FRONT VIEW

Trench

Fabric

6' max. o.c.

SIDE VIEW

18

" m

in

.1

8" m

in

.

6"

18

" m

in

.

16

"

16

"

6"

2"

Flow

(

Use steel posts.- only

NOTE:

FRONT VIEW

Trench

6"

Fence Backing

Woven Wire

Fabric

4' max o.c.

18" m

in.

30" m

in.

28"

Flow

End of fabric fence

18"

Beginning of fabric fence

Flow

6' o.c. max.

Post

TOP VIEW - (Not to scale)

OVERLAP AT FABRIC ENDS

Wood Post with

Staple Placement

Wood Post with

Nail Placement

FRONT VIEWS

FASTENERS FOR SILT FENCES

SIDE VIEW

4' m

in

.

2.5

' m

in

.1

.5

' m

in

.

2"

28

"

6"

Flow

L = The distance such that points

A and B are of equal elevation (100' MAX)

SPACING BETWEEN CHECK DAMS

B

L

A

STONE CHECK DAM

18" TO 24"

maximum

24" maximum

2

:

1Flow

Geotextile

Geotextile

6"

Diversion

diversion

pipe

outlet

corrugated

Stabilized

stakes

dike

over inlet

3:1

Island

4' min

Diversion

Hold-down

Level section

4' min

Plastic

Min. 10' spacing

Top of

Inlet Detail

Outlet Pipe

1.5' min

3:1

0.5' min

fill (island)

hand-compacted

Top of

4' min

1.5' min

1' min

channel

ground

Natural

“ ”

3 - 5lb. stone

Flow

6' Minimum

when volume becomes half full.

NOTE: Sediment Trap is to be cleaned out

Geotextiles

Geotextiles

6" Minimum

(optional)

Wire mesh

1'

3:1 slope

stone

3" - 6"

thinkness)

face (1' min

Fine gravel

2:1 slope

2' max

1' min

Temporary sediment pool

with grate

Drop inlet

Sediment

2' max

1' min

pool

Temporary sediment

Dewatering

16"

Wire screen

2:1 slope, gravel filter

Concrete block

Dewatering