Oregon Standard Drawing Set.pdf

RD300

INSTALLATIONS

PIPE ZONE AND MULTIPLE

TRENCH BACKFILL, BEDDING,

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C

"A" note 4)

(See general

Tracer wire

MULTIPLE INSTALLATIONS

DIAMETER MIN. SPACE BETWEEN PIPES

(in)

"A"

(in)

"B"

(in)

"C"

(in)

"D"

TABLE A

Finish grade stabilization, as required

Trench foundation see Table A

"C" Pipe bedding, Top of subgrade as directed

Topsoil or existing material

Surfacing-match

Base material m a te r ia l

E x c a v a te d n a ti v e

C la s s A c r u s h e d r o c k

C la s s B o r m a x

1 ( c le a n s a n d

C la s s C

A s d ir e c te d m a te r ia l m a x

C la s s D p it o r b a r r u n

C L

S M

C la s s E

T re n c h b a c k fi ll a re a P ip e z o n eS e e T a b le

A

D

Nom."B" "B"

Pipe diameter

24" min.

m in

D ia

Up to 48"

48" to 72"

24"

) dia. of pipe2

One half (

4. See Std. Dwg. RD336 for tracer wire details (When required).

3. Pipes over 72" diameter are structures, and are not applicable to this drawing.

diameter.

used and the pipe is ≥ 36" diameter, increase dimension "B" to nominal pipe

2. For pipe installation in embankment areas where the trench method will not be

1. Surfacing of paved areas shall comply with street cut Std. Dwg. RD302.

GENERAL NOTES FOR ALL DETAILS ON THIS SHEET:

see general note 3.

For pipes over 72" diameter, the current Oregon Standard Specifications.

All materials shall be in accordance with

DATE REVISION DESCRIPTION

OREGON STANDARD DRAWINGS

DATE

SDR

BOOK NO.

CALC.

Effective Date: December 1, 2025 - May 31, 2026

Professional Engineer.

first consulting a Registered and should not be used without sole responsibility of the user principles and practices, is the generally accepted engineering designed in accordance with

Standard Drawing, while

The selection and use of this

RD302

STREET CUT

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(Actual)

Trench width whichever is greater. Compact as specified.

4. Place AC mix minimum thkn. of 6" or the thkn. of the removed pavement, details.

3. For joining new concrete to existing concrete, see contract plans for sepecific or to the thickness of removed pavement, whichever is greater.

2. Concrete pavement shall be replaced with concrete to a minimum thickness of 8"

1. All existing AC or PCC pavement shall be sawcut prior to repaving.

GENERAL NOTES FOR ALL DETAILS ON THIS SHEET:

(AC patch only) with tack material and sand

Seal surface over joint concrete as specified

CLSM or full depth asphalt

Compacted aggregate base, backfill as specified

Compacted trench

(Extg.)

Undisturbed base

Extg. pvmt.

see general notes

Pvmt. replacement, min.

6" min.

6"

Min. width=Roller width plus 2" m in

Tack coat cut edges (AC only) the current Oregon Standard Specifications.

All materials shall be in accordance with

DATE REVISION DESCRIPTION

OREGON STANDARD DRAWINGS

DATE

SDR

BOOK NO.

CALC.

Effective Date: December 1, 2025 - May 31, 2026

Professional Engineer.

first consulting a Registered and should not be used without sole responsibility of the user principles and practices, is the generally accepted engineering designed in accordance with

RD332

CONCRETE

PIPE SLOPE ANCHORS

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Pipe bedding undisturbed native soil

Pour against

ELEVATIONPLAN

6. See Std. Dwg. RD336 for tracer wire details (When required).

5. See Std. Dwgs. RD300 & RD304 for pipe installation details.

engineer.

4. Dimensions for embedment for pipes larger than 12" shall be approved by the

50+ % 15' or concrete encasement

35-50% 25'

20-34% 35'

SLOPE SPACING (on slope)

3. Center to center max. spacing of concrete pipe anchors shall be:

2.All concrete shall be commercial grade concrete.

Remove forms prior to backfilling trench.

drains and other pipelines are constructed with slopes 20% or greater.

1. Concrete pipe anchors shall be constructed using forms when sewers, storm

GENERAL NOTES FOR ALL DETAILS ON THIS SHEET:

(See general note 6)

Tracer wire on inlet end

Install over 3" weep hole

" openings.4 mesh with

5" square galvanized wire trench wall

Undisturbed at bottom of trench

Install 3" weep holes

Native soil

(See general note 6)

Tracer wire see general note 4

12" and smaller pipe, trench wall

Undisturbed

Fi ni sh gr ad e

Native soilmin.

18" Trench width min.

18" m in

12" when using slope anchors made with concrete.

Metal pipe requires polymeric coating the current Oregon Standard Specifications.

All materials shall be in accordance with

DATE REVISION DESCRIPTION

OREGON STANDARD DRAWINGS

DATE

SDR

BOOK NO.

CALC.

Effective Date: December 1, 2025 - May 31, 2026

Professional Engineer.

first consulting a Registered and should not be used without sole responsibility of the user principles and practices, is the generally accepted engineering designed in accordance with

RD335

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(See general note 5)

24" max.

MANHOLE WITH PRECAST CONICAL TOP

MANHOLE WITH PRECAST FLAT SLAB TOP

6. All connecting pipes shall have a tracer wire, or approved alternate.

5. Adjust 24" maximum.

4. See Std. Dwg. RD344 for manhole base section.

3. See Std. Dwg. RD345 for pipe to manhole connections.

the Engineer.

2. Standard precast manhole section diameter shall be 48". Use 42" if specified by

1. All precast products shall conform to requirements of ASTM C478.

GENERAL NOTES FOR ALL DETAILS ON THIS SHEET:

12. Location, elevation, diameter, slope, and number of pipe(s) varies, see project plans.

11. See Std. Dwg. RD342 for shallow manholes.

10. Max. pipe diameter varies with pipe material.

9. See Std. Dwg. RD356 for manhole covers and frames, manhole adjustment rings, etc.

8. See Std. Dwg. RD336 for details not shown.

7. See Std. Dwg. RD336 for manhole steps.

plastic or rubber ring to form a watertight seal sealed with non-shrink grout, preformed

Frame and precast grade ring(s) shall be

(See Details "B" & C" on Std. Dwg. RD336)

See general note 7, if steps are not required.

specified. Concentric cone may be used

Provide manhole steps unless otherwise to form a watertight seal grout, preformed plastic or rubber ring

All joints shall be sealed with non-shrink

Joint type varies with manufacturer (Typ.)

(See Detail "A" on Std. Dwg. RD336)

Tracer wire, (See general note 10)

Pipe (Typ.)

(Precast base shown)

Manhole base

Base rock

"/ft. min.2 slope varies:

Concrete bench, (As required)

Precast riser(s) conical top

Precast on Std. Dwg. RD336)

(See Detail "A"

Tracer wire, (As required)

Adjustment ring(s)

Manhole cover and frame

Finish grade

(As required)

Precast grade ring(s)

(See general note 5)

24" max.

Varies (12" max.)

25"

(42" if specified)

48"

(See general note 3)

Pipe connection varies (Typ.)

T y p m in m in

25"

Manhole cover and frame

Finish grade

(As required)

Precast grade ring(s) on Std. Dwg. RD336)

(See Detail "A"

Tracer wire, on Std. Dwg. RD336)

(See Detail "A"

Tracer wire, (As required)

Adjustment ring(s)

Varies (12" max.)

Precast flat slab top

Precast riser(s) (As required)

STORM SEWER MANHOLE

STANDARD

the current Oregon Standard Specifications.

All materials shall be in accordance with

DATE REVISION DESCRIPTION

OREGON STANDARD DRAWINGS

DATE

SDR

BOOK NO.

CALC.

Effective Date: December 1, 2025 - May 31, 2026

Professional Engineer.

first consulting a Registered and should not be used without sole responsibility of the user principles and practices, is the generally accepted engineering designed in accordance with

RD336

MANHOLE DETAILS

STANDARD

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X m in

Manhole cover and frame

Finish grade

(Typ.)

tracer wire fastener for

Non corrosive

Tracer wire

18" above top of manhole cover

Leave enough free wire to extend

Coil and secure wire to fastener.

precast flat slab top)

(See Std. Dwg. RD335 for

Precast conical top shown

Tracer wire

(As required) ring(s)

Precast grade

(As required)

Adjustment ring(s)

Place tracer wire directly over pipe centerline and on top of the pipe zone material.

6. All connecting pipes shall have a tracer wire, or approved alternate.

5. Adjust 24" maximum.

4. See Std. Dwg. RD344 for manhole base section.

3. See Std. Dwg. RD345 for pipe to manhole connections.

Engineer.

2. Standard precast manhole section diameter shall be 48". Use 42" if specified by the

1. All precast products shall conform to requirements of ASTM C478.

GENERAL NOTES FOR ALL DETAILS ON THIS SHEET:

12. See project plans for details not shown.

11. See Std. Dwg. RD342 for shallow manholes.

10. Max. pipe diameter varies with pipe material.

9. See Std. Dwg. RD356 for manhole covers and frames, manhole adjustment rings, etc.

8. See Std. Dwg. RD335 for details not shown.

See Detail "C" for alignment of steps, and manhole cover and frame.

When H=42" or less omit steps.

7. Steps shall conform to requirements of ASTM C478.

and frame

Manhole cover Finish grade

Lowest flow line outfall pipe), or as directed.

azimuth right from lowest

See plans for X (measured

Manhole steps

(Align with steps)

Manhole cover and frame

Lowes tou tfal lpip e m a x s p a c in g

H v a r

"8

6"

13" to 16"

Var.

13" to 16"

Var.

(See general note 6) (See general note 7)

NOTE: No conflict with pipe align with available shelf.

See ODOT's QPL for acceptable alternate manhole steps.

(See general note 7)

TRACER WIRE

DETAIL "A"

MANHOLE STEPS

DETAIL "B"

AND MANHOLE STEPS ORIENTATION

PRECAST FLAT SLAB TOP

OR

PRECAST CONICAL TOP

DETAIL "C"

FRONT SIDE

PLAN

PLAN

the current Oregon Standard Specifications.

All materials shall be in accordance with

DATE REVISION DESCRIPTION

OREGON STANDARD DRAWINGS

DATE

SDR

BOOK NO.

CALC.

Effective Date: December 1, 2025 - May 31, 2026

Professional Engineer.

first consulting a Registered and should not be used without sole responsibility of the user principles and practices, is the generally accepted engineering designed in accordance with

RD339

CONNECTIONS

PIPE TO STRUCTURE

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20-JAN-2023N/A

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PLAN PLAN

grout

Non-shrink

(See general note 5)

Tracer wire

(See general note 1)

Sump shown

(typ.)

grout

Non-shrink

(See general note 5)

Tracer wire (Typ.)

(See general note 1)

Sump shown

(See general note 5)

Tracer wire (Typ.)

(See general note 7)

Pipe zone (Typ.)

(See general note 7)

Pipe zone (Typ.)

(See general note 6)

Resilient connector

(See general note 5)

Tracer wire

(See general note 1)

Sump shown

(See general note 1)

Sump shown

(See general note 6)

Resilient connector (Typ.)

(See general note 5)

Tracer wire (Typ.)

(See general note 7)

Pipe zone (Typ.)

(See general note 7)

Pipe zone (Typ.)

(See general note 5)

Tracer wire (Typ.)

(See general note 6)

Resilient connector (Typ.)

CONNECTION OF FLEXIBLE PIPE TO STRUCTURECONNECTION OF RIGID PIPE TO STRUCTURE

SECTION C-CSECTION D-DSECTION A-ASECTION B-B

B

B

A A C C

D

D

GENERAL NOTES FOR ALL DETAILS ON THIS SHEET:

7. Pipe zone varies, see Std. Dwg. RD300.

6. When flexible pipe is used, install resilient connectors conforming to requirements of ASTM C923.

See Std. Dwg. RD336 for tracer wire details.

5. All connecting pipes shall have a tracer wire, or approved alternate.

4. Maximum pipe diameter varies with pipe material.

3. Location, elevation, diameter, slope, and number of pipe(s) varies, see project plans.

2. See appropriate standard drawings or special project details for other similar structures.

1. See Std. Dwgs. RD364, RD365, and RD366 for inlet details not shown.

04-2022 REVISED NOTES

01-2023 REVISED DETAILS AND NOTES

(typ.)

grout

Non-shrink

(typ.)

grout

Non-shrink the current Oregon Standard Specifications.

All materials shall be in accordance with

DATE REVISION DESCRIPTION

OREGON STANDARD DRAWINGS

DATE

SDR

BOOK NO.

CALC.

Effective Date: December 1, 2025 - May 31, 2026

Professional Engineer.

first consulting a Registered and should not be used without sole responsibility of the user principles and practices, is the generally accepted engineering designed in accordance with

RD344

BASE SECTION

STANDARD MANHOLE

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(For invert channel details, see precast option at right)

PRECAST MANHOLE BASECAST IN PLACE MANHOLE BASE

SECTION B-BSECTION A-A

A A B B

(See general note 11)

Tracer wire, 12" cc max.

#3 bars, 1 - #4 Hoop (Both ways)

#4 bars, 12" cc undisturbed material

Pour concrete against

2"

Joint type as required

(See general note 11)

Tracer wire, 2 - #4 hoops bottom half of pipe

Shape channel to match

(See general note 2)

Channel

(42" if specified)

48" 8" m in

(See general note 11)

Tracer wire (Typ.)

8"

4" 3 - #4 hoops the contractor at the option of be round or octagonal, Outside of base may

Lap 10'' unless otherwise shown.

clear of nearest face of conc., All reinforcement shall be 2"

48" (42"ifspecified)

(Both ways)

#4 bars, 12" ctr. ctr.

12" ctr. ctr. max.

#3 bars, (T y p

(42" if specified)

48"

INVERT CHANNEL

min.

8" bottom half of largest pipe

Shape channel to match

(See general note 2)

Channel

(See general note 11)

Tracer wire, 6" min.

note 12

See general

"/ft. min.2 slope varies:

Concrete bench, (See general note 11)

Tracer wire, Base rock transition sections.

uniform flow lines with gradual

Construct invert channels to and/or riser(s).

May occur in manhole base section

As measured at inner manhole wall.

(See general note 11)

Tracer wire (Typ.)

m in b etw een

(T yp p ip e p en etratio n s

Pipe(s) may extend 2" max. beyond the interior manhole wall.

6. Extend pipe into manhole and grout smooth.

5. Use on 42" and 48" diameter manhole.

4. Max. pipe diameter varies with pipe material.

3. Bases may be precast or cast in place.

2. Channels shall be constructed to provide smooth slopes and radii to outlet pipe.

1. All concrete shall be commercial grade concrete.

GENERAL NOTES FOR ALL DETAILS ON THIS SHEET:

12. At spring line of pipe, extend channel up to crown line on 12:1 batter.

11. See Std. Dwg. RD336 for tracer wire details.

10. See Std. Dwg. RD336 for manhole steps details.

9. See Std. Dwg. RD345 for pipe to manhole connections.

8. All precast products shall conform to the requirements of ASTM C478.

plans.

7. Location, elevation, diameter, slope, and number of pipe(s) varies, see project

PLANPLAN

the current Oregon Standard Specifications.

All materials shall be in accordance with

DATE REVISION DESCRIPTION

OREGON STANDARD DRAWINGS

DATE

SDR

BOOK NO.

CALC.

Effective Date: December 1, 2025 - May 31, 2026

Professional Engineer.

first consulting a Registered and should not be used without sole responsibility of the user principles and practices, is the generally accepted engineering designed in accordance with

RD345

CONNECTIONS

PIPE TO MANHOLE

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REVISED DETAILS AND NOTES01-2023

20-JAN-2023N/A

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CONNECTION OF RIGID PIPE TO MANHOLE

SECTION A-A

SECTION B-B

B

B

PLAN

A A

SECTION B-B

SECTION A-A

B

A A

B

PLAN

(See general note 6)

Tracer wire slope var. (See general note 7)

Concrete invert channel, slope var. (See general note 7)

Concrete invert channel, (See general note 6)

Tracer wire (Typ.)

(See general note 14)

Pipe zone (Typ.)

(See general note 14)

Pipe zone (Typ.)

slope var. (See general note 7)

Concrete invert channel, (See general note 6)

Tracer wire (Typ.)

Grout (Typ.)

Non-shrink

"/ft. min.2 slope var.

Concrete bench, "/ft. min.2 slope var.

Concrete bench, "/ft. min.2 slope var.

Concrete bench, slope var. (See general note 7)

Concrete invert channel, slope var. (See general note 7)

Concrete invert channel, (See general note 6)

Tracer wire

"/ft. min.2 slope var.

Concrete bench, (See general note 8)

Resilient connector

"/ft. min.2 slope var.

Concrete bench, (See general note 8)

Resilient connector (Typ.)

(See general note 6)

Tracer wire (Typ.)

(See general note 8)

Resilient connector (Typ.) slope var. (See general note 7)

Concrete invert channel, (See general note 6)

Tracer wire (Typ.)

(See general note 14)

Pipe zone (Typ.)

(See general note 14)

Pipe zone (Typ.)

"/ft. min.2 slope var.

Concrete bench, Pipe zone varies, see Std. Dwg. RD300.14.

manhole adjustment rings, etc.

See Std. Dwg. RD356 for manhole covers and frames,13.

See Std. Dwg. RD344 for manhole base section.12.

See Std. Dwg. RD342 for shallow manholes.11.

See Std. Dwg. RD336 for manhole steps details.10.

not shown.

See Std. Dwgs. RD335, RD336, and RD338 for details9 .

conforming to requirements of ASTM C923.

When flexible pipe is used, install resilient connectors8.

slopes and radii to outlet pipe.

Invert channels shall be constructed to provide smooth7.

details.

approved alternate. See Std. Dwg. RD336 for tracer wire

All connecting pipes shall have a tracer wire, or6.

Maximum pipe diameter varies with pipe material.5.

pipe(s) varies, see project plans.

Location, elevation, diameter, slope, and number of4.

All concrete shall be commercial grade concrete.3.

Manhole base sections may be precast or cast-in-place.2.

ASTM C478.

All precast sections shall conform to requirements of1.

GENERAL NOTES FOR ALL DETAILS ON THIS SHEET:

CONNECTION OF FLEXIBLE PIPE TO MANHOLE

Grout (Typ.)

Non-shrink

Grout (Typ.)

Non-shrink the current Oregon Standard Specifications.

All materials shall be in accordance with

DATE REVISION DESCRIPTION

OREGON STANDARD DRAWINGS

DATE

SDR

BOOK NO.

CALC.

Effective Date: December 1, 2025 - May 31, 2026

Professional Engineer.

first consulting a Registered and should not be used without sole responsibility of the user principles and practices, is the generally accepted engineering designed in accordance with

GENERAL NOTES FOR ALL DETAILS ON THIS SHEET:

8. See ODOT's QPL for alternate bolt-down products.

to bicycle or pedestrian use.

subject7. Manhole grate allowed only in locations not rings.

6. See ODOT's QPL for alternate manhole adjustment adjustment.

5. See Std. Dwg. RD360 for manhole frame

4. See Std. Dwg. RD336 for manhole steps.

origin.

manufacturer's initials, heat number and point of

3. Covers and frames shall be stamped with may be submerged (no holes).

2. Watertight covers required if located where cover holes maximum.have two easement areas. Covers for sanitary manholes shall drain manhole where located in pedestrian ways or

Tamperproof covers required on sanitary or storm1.

A A

PLAN

pavement, concrete gutter or walk.

frame is to be placed in concrete, Coat outside of frame with asphalt where

NOTE:

COVER SECTION A-A

FRAME SECTION A-A

"4

6" "4 3 1"

"4

2"

"4

"4

"4

2"

"8

"4

1 2 note 4.

of 20 feet or greater. See general required for mannholes with depths

*36 inch minimum diameter cover is

"4

"4

"4

"4

COVER AND FRAME

STANDARD MANHOLE

" clearance8

"4

25" (*36") " min.2 m in

"4

"4

"4

23"

"2

" chamfer8 m a x all around to a true bearing to be machined

Cover and frame

PLAN

frame. See general note 7.

For use with standard manhole

NOTE:

BB

SECTION B-B

bearing on frame around for true

Machine finish all

STANDARD MANHOLE GRATE

"4

17"

"4

"4

ADJUSTMENT RING

MANHOLE

For use with Standard Manhole Frame

SECTION C-C

PLAN

C C bearing all around

Machine to true mastic sealant

" preformed8 non-machined surfaces to be ±0.06". See general note 6 grey cast iron ASTM A48, Class 35B. Tolerance on

" and 3". Material to be2

", 2", 22

* Standard depths 1 designation heat number initials and

Manufacturer's

1" 1"

27"

23"

"4

7 "

25"

E

E

D D

Storm

PLAN

p ic k h o le

SECTION D-D

MANHOLE COVER AND FRAME

CAST IRON SUBURBAN

PLAN

SECTION E-E

AND WATERTIGHT COVER

CAST IRON TAMPERPROOF

Watertight for sanitary covers

2 holes maximum

Tamperproof, Down Detail

See Bolt

"4 or suburban pattern

Frames available in standard

BOLT DOWN DETAIL

See general note 8 so that one bolt boss is located over the manhole steps.

hexagonal head, bronze or stainless steel. Install frame

" pentagonal or2

"x12

Three required, equally spaced, NOTE:

m in m a x

26" min.

25" for details

Section A-A

See Cover 23"

"2

"4

For use on local streets only, as specified

For tamperproof and watertight covers tamperproof cover gasket, omit for

" neoprene4 cover

Manhole three required per cover stainless steel washer, " thick8

" OD x4 cover three required per

Flat rubber washer, 1"

Manhole frame maximum

Sanitary, 2 holes

RD356

AND FRAMES

MANHOLE COVERS

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All materials shall be in accordance with

DATE REVISION DESCRIPTION

OREGON STANDARD DRAWINGS

DATE

SDR

BOOK NO.

CALC.

Effective Date: December 1, 2025 - May 31, 2026

Professional Engineer.

first consulting a Registered and should not be used without sole responsibility of the user principles and practices, is the generally accepted engineering designed in accordance with

RD364

TYPE G-1, G-2, G-2M, & G-2MA

CONCRETE INLETS

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4" drain pipe

Base drain, m in

INLET TYPE W W

G-1

G-2, G-2M, G-2MA

"8 71'-8"8

72'-8

"8 33'-3 "8

32'-3

TYPE G-1, G-2, G-2M

TYPE G-2MA

WITHOUT SUMP

DETAIL A

TABLE A

SECTION A - A

SECTION B - B

SECTION C-C

C C

PLAN

PLAN

B

B

A A

(See general note 5)

Tracer wire when directed

Shape bottom m in (T y p

6" W

W

6" b r e a k

G r a d e

Finish grade

(See general note 9) when required

" preformed filler,4

Subgrade

(See general note 5)

Tracer wire

(See general note 11)

(Typ.)

Pipe connection varies

(See general note 3)

Sump

"2

(See general note 4)

Curb (Type var.)

Aggr. backfill n o r m a l

6"

V a r ie s

W6" 6"

W

Normal pavement slope

(See general note 2)

Frame & grate see inlet G-2

For details not shown, face of concrete unless shown or noted otherwise

All reinforcement to be placed 2" clear of nearest

NOTE:

#4 bars @ 6"

#4 bars "2

(See general note 2)

Frame & grate

6'-0"

"4

2'-46"

"4

3'-4

(See general note 10)

Pay limit for conc. inlet

6"

1'-6"

6"

V a r ie s m in

Top of curb

4" drain pipe (Typ.)

Base drain, (Typ.)

Aggr. backfill

Subgrade

(See general note 5)

Tracer wire (Typ.)

(See general note 11)

(Typ.)

Pipe connection varies

(See general note 3)

Sump normal

6"

(See general note 11)

(Typ.)

Pipe connection varies flow line

Depressed gutter flow line

Normal gutter

(Typ.)

Slope 1:12 nom.

(See general note 9) when required

" preformed filler,4

Top back of curb

Top face of curb

(Typ.)

Aggr. backfill

4" drain pipe (Typ.)

Base drain, (See general note 9) when required

" preformed filler,4

Concrete inlet

(See general note 2)

Frame & grate

(See general note 5)

Tracer wire (Typ.)

Normal gutter flow line

11. See Std. Dwg. RD339 for pipe to structure connections.

10. See Std. Dwg. RD363 for gutter transition section, when curb and gutter are required.

" preformed filler (in concrete pavement or gutter only) to extend through thickness of concrete.4

9.

8. All concrete shall be commercial grade concrete.

7. Location, elevation, diameter, slope, and number of pipe(s) varies, see project plans.

6. Max. pipe diameter varies with pipe material.

5. See Std. Dwg. RD336 for tracer wire details, or approved alternate.

4. For curb details, see Std. Dwgs. RD700 & RD701.

3. Provide sump only where shown on plans, and allowed by jurisdiction. See Detail A for inlet without sump.

For frame and grate details, see Std. Dwg. RD365.

Type 1 grate allowed only in locations not subject to bicycle or pedestrian use.

2. Graphics show G-1 inlet with Type 2 grate. See Table A for inlet dimensions.

crushed aggregate shall be provided. All precast inlets shall conform to requirements of ASTM C913.

"-04

1. Where precast inlets are used as an alternate to cast-in-place inlets, a 4" compacted leveling bed of sand or

GENERAL NOTES FOR ALL DETAILS ON THIS SHEET:

the current Oregon Standard Specifications.

All materials shall be in accordance with

DATE REVISION DESCRIPTION

OREGON STANDARD DRAWINGS

DATE

SDR

BOOK NO.

CALC.

Effective Date: December 1, 2025 - May 31, 2026

Professional Engineer.

first consulting a Registered and should not be used without sole responsibility of the user principles and practices, is the generally accepted engineering designed in accordance with