B08_Attachment_03_140P8422R0007_Plans-Sewer.pdf

Pipe Diameter

(in)

Pipe Diameter

(in)

Pipe Diameter

(in)

ASTM

F 2764

Pipe Diameter

(in)

25'

22'

20'

22'

24'

F-1, F-2, F-3

Not allowed

F-3

F-3

STORM SEWER SANITARY SEWER

Ductile Iron

HDPE

Polypropylene

PVC

OD

TW

Outside diameter of pipe

Trench width at top of pipe:

Min. = OD+18 inches OR 1.25xOD+12 inches (whichever is greater)

Class I Bedding Material

ASTM

F 679

ASTM

F 949

ASTM

F 1803

Corrug.

Exterior

ASTM

D 2680

Closed Profile

Composite (Truss Type)

Class F-1 Bedding

Class F-2 Bedding

Class F-3 Bedding

AASHTO

M 294

37'

40'

40'

40'

40' 40'

40'

40'

40'

40'

27'

29'

30'

31'

38'

40'

40'

40'

40'

40'

40'

40'

40'

9'

9'

9'

9'

8'

8'

8'

8'

F-1, F-2, F-3

F-2, F-3

F-2, F-3

F-2, F-3

FLEXIBLE GRAVITY PIPE

TRENCH BEDDING

W

12"

Sidewalk

Roadway

CLASS A SIDEWALK

4" min.

2" Expansion Joint

W = Sidewalk width as specified in the contract documents.

Target cross slope of 1.5% with a maximum cross slope of 2.0% (including sidewalk through driveway).

Ensure top of curb slopes to street for drainage.

18"

Place bedding and backfill material as required for sewer main.

Service Line Slope:

4 inch: 2% to 5% 6 inch and greater: 1% to 5%

Slope

SANITARY SEWER SERVICE STUB

Standard duty casting complying with AASHTO M 306. Mark lid with ''Sanitary'' or ''Sanitary C.O.''

Do not allow casting to bear on top of riser pipe.

6 inch PVC Service Pipe

Threaded PVC cap or iron body ferrule with brass screw plug

20'' min.

Concrete Pad

Plug

8"

8"

8" 7

8"

SANITARY SEWER CLEANOUT

For additional configurations, maintain a minimum of 12 inches of concrete between vertical edges of pipe openings.

12 inch minimum riser height above all pipe openings.

Location Station

Maximum Pipe Diameter (inches) for 2 Pipes

At 180 Separation

At 90 Separation

Precast Riser Sections

Precast Top

Adjustment Rings

Lowest Flowline

Class I Bedding Material

Flexible Pipe Connection (typ.)

Precast Base with Integral Riser Section

CIRCULAR SANITARY SEWER MANHOLE

If manhole depth exceeds 20 feet, install steps.

Install infiltration barrier.

Manhole Diameter (inches)

33" min.

26" min.

Two-piece fixed casting

Two-piece fixed casting with bolt-down cover

TYPE A

TYPE C

PLAN

TYPICAL SECTION

TYPE B: HMA

TYPE D: HMA

Three-piece floating casting for use in HMA paving

35" min.

TYPICAL SECTION

26" min.

Flange (typ.)Anchor Bolt Hole

2 2

6 15 16"

35 78" min.

Frame Notes:

Size, spacing, and number of lugs and flanges may vary.

Cover Notes:

Roughness pattern and text style may vary.

Minimum one concealed pickhole.

Gasket to seal out debris

CASTINGS FOR

SANITARY SEWER MANHOLES

PLAN

Bolt-Down Cover (Type C)

Anchor Bolt

Three-piece floating casting with bolt-down cover for use in HMA paving

Bolt-Down Cover (Type D)

Gasket Seal

Gasket Seal

Anchor the lower frame of all three-piece castings to the manhole structure. When specified in the contract documents, anchor the frame of two-piece castings to the manhole structure. If casting frame does not include anchor holes or slots, drill four 7/8 inch diameter holes, equally spaced around the frame.

If specified, furnish bolt down frame and cover with four 1/2 inch minimum diameter stainless steel, hex nut, recessed cap screws. Secure cover with screws, washers, and rubber gasket seals.

Casting height varies. Minimum adjustment range of 4 inches.

24" min.

1 12"

24" min. clear opening