Drawings__5_Powerhouse_West_Terrace_Drain_Rehab _ph2 _Garrison.pdf

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B5.01

Replacement Manhole Structure Schedule

From To

From To Ft/Ft

Slope

(Ft)

Distance

CL To CL

Type No. No.Type

M.H. 1767.001768.04 170.0 10.61780.10154.9/3

M.H. M.H. 1773.001767.00 194.0 13.71778.70154.7/5

M.H. M.H. 1780.001773.00 226.0 11.91784.40

154.9/3

154.7/5 E

0.006

0.03

0.03

M.H. 1780.00 11.61791.10E - - - - - - - - - - - - - - -

(SEE NOTES)

Upper End

Rim Elevation

(SEE NOTES)

End (Ft)

D. Upper

(SEE NOTES)

Invert Elevation (Ft)

M.H. M.H. 1728.001765.50155.7/3154.9/3 - - - 96.5 - - -0.50

170' EAST MH154.9/3

NO SCALE

NO SCALE

DETAIL E: FINISHED BENCH DETAIL

1 TEE JOINT 1

2 TEE JOINT 1

1702.25

1701.75

1701.15

1701.15

0.011

0.012

RISER

RISER

1713.00

1710.00

M A

N H

O L E A

N D R

IS

E R D

E T

A

IL

S

DETAIL G: RISER COVER

TOP PLAN

NO SCALE

NO SCALE NO SCALE

1. SEE SHEET B2.02 FOR FINAL BENCH GRADING PROFILE.

NOTES:

THE CONTRACTOR.

BASED ON THE CONTRACTOR'S FINAL GRADING PLAN. ADDITIONAL MANHOLE CONES/EXTENSIONS SHALL BE PROVIDED BY

MANHOLES OF HEIGTH "D" AS PROVIDED IN THE TABLE WILL BE PROVIDED BY THE GOVERNMENT. FINAL HEIGTHS MAY VARY 5.

MANHOLE RIM ELEVATIONS ARE TO BE A MINIMUM OF 1'-6" ABOVE FINISHED GROUND SURFACE ELEVATION. 4.

SEE SPECIFICATION SECTION 33 46 16 FOR CONSTRUCTION TOLERANCES.3.

HORIZONTAL CONTROL REFERENCES NAD83 STATE PLANE NOTRH DAKOTA SOUTH ZONE 3302 (US SURVEY FEET).2.

VERTICAL CONTROL REFERENCES LOCAL PROJECT DATUM (US SURVEY FEET).1.

GENERAL NOTES:

DETAIL F: CLEANOUT/OBSERVATION RISER

9.

33 46 16.

CONCRETE BASE OF THE MANHOLE IN ACCORDANCE WITH SPECIFICATIONS SECTION

A MINIMUM LAYER OF 6" COMPACTED BEDDING SHALL BE PLACED BENEATH THE 8.

THE FRAME TO THE INVERT OF THE SUBDRAIN.

GREATER THAN 20 FEET. DEPTH OF MANHOLES SHALL BE MEASURED FROM THE TOP OF

LADDER CLIMBING SAFETY DEVICE SHALL BE INSTALLED IN ALL MANHOLES WITH A DEPTH

GOVERNMENT) SHALL BE INSTALLED IN ALL MANHOLES. IN ADDITION TO STEEL LADDERS, A

PERMANENTLY INSTALLED GALVANIZED SIDE RAIL LADDERS (TO BE FURNISHED BY THE 7.

MANHOLE COVERS AND FRAMES ARE FIBRELITE FL760 . 6.

BASES.

MANHOLE BASE SLABS ARE 6-FOOT DIAMETER BY 8-INCH THICK PRECAST CONCRETE 5.

REINFORCING FOR PRECAST CONCRETE FLAT TOPS ARE NOT SHOWN.

THICKNESS AND REINFORCING FOR PRECAST CONCRETE MANHOLE WALLS AND 4.

MANHOLES HAVE PRECAST CONCRETE FLAT TOPS.3.

VARIABLE DIMENSIONS FOR MANHOLES ARE SHOWN ON THE MANHOLE SCHEDULE.2.

FURNISHED BY THE GOVERNMENT.

PRECAST MANHOLES INCLUDING FRAMES, COVERS, RISERS, TOPS, AND LADDERS WILL BE 1.

MANHOLE NOTES:

BE NO MORE THAN 5 FEET.

FLOW MEASUREMENTS. THE MAXIMUM LENGTH OF THE SOLID PVC CONNECTION SHALL

MADE WITH SOLID (NON-PERF.) SCHEDULE 80 PVC PIPE TO ALLOW GROUTING AND/OR

THE SEGMENT OF PIPE CONNECTING TO AND/OR PROTRUDING INTO MANHOLES SHALL BE

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" DIA. RUNGS4

SIDE RAILS

"2

" X2

MCF-30-LD

2' - 6"

MIN.

MCF-30-LD

2' - 6"

TYPICAL

1/4"

7"

16"

HALF PLAN

MANHOLE COVER AND FRAME

NO SCALE

6"

RAIL LADDER

STEEL SIDE

GALVANIZED

4' - 0"

RISER

CONCRETE

PRECAST

M A

X

C .C

7"

"D

6"

PVC OUTFALL

FLOW FROM SOLID

APPROX. WT. - 58 LBS

ELEVATION

RIM OR TOP

PRECAST CONCRETE FLAT TOP

EACH WAY BOTTOM

#4 BARS @ 6" O.C.

EACH WAY TOP

#4 BARS @ 11" O.C.

(SEE NOTE 5)

CONCRETE BASE

TOP FACE-2" CLEAR

#4 @ 12" EACH WAY

B5.01 B5.01

NO SCALE

M A

X

PLAN

AND FRAME

MANHOLE COVER

SIDE RAIL LADDER

GALVANIZED STEEL

CONCRETE BASE

DETAIL A: TYPICAL PRECAST MANHOLE

SECTION 12-12

6'

M A

X

30"

34.65"

M

IN

35"

3.78"

OPTIONAL FL760/SK12 SKIRT (SEE NOTE 8)

(SEE NOTE 8)

BEDDING

S = 1.0%

MIN 15'

1V ON 2H OR 2.25H

1V ON 2H

EXISTING GRADE

FINAL GRADE

RANDOM FILL

EXISTING GRADE

DAYLIGHT TO

6" TOPSOIL AND SEEDING

FLOW

PERVIOUS FILTER MATERIAL

RANDOM

6" PVC CAP

6" DIA. SLOTTED SUBDRAIN

WITH FILTER MATERIAL A

BACKFILL ANNULAR SPACE

6" TOPSOIL AND SEEDING

APPROX . EXISTING GROUND SURFACE

PVC ELBOW

6" SOLID 45 DEG.

SEE DETAIL G

METAL CAP

FABRICATED LOCKABLE

(SEE NOTE 1)

12" DIA. CMP

CLEAN OUT RISER

6" NON-PERF. PVC

M

IN

" CIRCULAR STEEL PLATE4

" x 1" STEEL BOLTS8

"4

" HOLE FOR PADLOCK2

" STEEL STRAPS4

2" x

PEA GRAVEL

3" 1313

SECTION 13-13

12" DIA. CMPRISER

PVC OBSERVATION

6" DIA. SOLID

8"

8"

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B5.02

NO SCALENO SCALE

PERVIOUS FILTER MATERIAL A.

BEDDING MATERIAL FOR SLOTTED PIPE SHALL MEET THE REQUIREMENT OF 5.

EXCEED 12 INCHES.

FILTER A PLACEMENT ABOVE PIPE SHALL BE A MINIMUM OF 6 INCHES BUT NOT TO 4.

GRADATIONS.

SEE SPECIFICATIONS SECTION 02 31 60 FOR REQUIRED BACKFILL MATERIALS AND 3.

SPECIFIED IN ASTM D 2321 ASSUMING CLASS II EMBEDMENT.

MINIMUM COVER FOR CONSTRUCTION LOADS OVER PLASTIC PIPES SHALL BE AS 2.

SPECIAL SAFETY REQUIREMENTS OF THE SPECIFICATIONS.

EXCAVATION SHALL BE IN ACCORDANCE WITH SECTION 01 35 26 GOVERNMENTAL 1.

NOTES:

P

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NO SCALE

AND 12" PIPE BEDDING

WEST ABUTMENT SAND TRENCH DETAIL B:

6" PIPE BEDDING

SEEPAGE AREA TRENCH AND DETAIL D:

18" PIPE BEDDING

OUTFALL TRENCH AND DETAIL C:

CLASS 5.

BEDDING MATERIAL FOR SOLID PIPE SHALL MEET THE REQUIREMENTS FOR NDDOT 4.

GRADATIONS.

SEE SPECIFICATIONS SECTION 02 31 60 FOR REQUIRED BACKFILL MATERIALS AND 3.

SPECIFIED IN ASTM D 2321 ASSUMING CLASS II EMBEDMENT.

MINIMUM COVER FOR CONSTRUCTION LOADS OVER PLASTIC PIPES SHALL BE AS 2.

SPECIAL SAFETY REQUIREMENTS OF THE SPECIFICATIONS.

EXCAVATION SHALL BE IN ACCORDANCE WITH SECTION 01 35 26 GOVERNMENTAL 1.

NOTES:

REQUIREMENT OF PERVIOUS FILTER MATERIAL A.

BEDDING MATERIAL FOR SLOTTED AND SOLID PIPE SHALL MEET THE 5.

EXCEED 12 INCHES.

FILTER A PLACEMENT ABOVE PIPE SHALL BE A MINIMUM OF 6 INCHES BUT NOT TO 4.

GRADATIONS.

SEE SPECIFICATIONS SECTION 02 31 60 FOR REQUIRED BACKFILL MATERIALS AND 3.

SPECIFIED IN ASTM D 2321 ASSUMING CLASS II EMBEDMENT.

MINIMUM COVER FOR CONSTRUCTION LOADS OVER PLASTIC PIPES SHALL BE AS 2.

SPECIAL SAFETY REQUIREMENTS OF THE SPECIFICATIONS.

EXCAVATION SHALL BE IN ACCORDANCE WITH SECTION 01 35 26 GOVERNMENTAL 1.

NOTES:

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P

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18" SOLID PVC

12"

3'-6"

12"

P

IP

E E

M B

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M E

N T

1'-6"

RANDOM SPRINGLINE

(SEE NOTE 4)

6" MIN. BEDDING

HAUNCHING (SEE NOTE 4)

MIN 6"

S E

E N

O T

E

BACKFILL

RANDOM

(SEE SPEC. 02 31 60)

FILTER MATERIAL B

PERVIOUS

P

IP

E Z

O N

E

2' - 0"

6" TOPSOIL AND SEEDING

1V ON 2.5H

3'-0"

15" 15"

PVC DRAIN

6" SLOTTED

PERVIOUS FILTER MATERIAL A

E S

O P

E R

F O

E L

G N

A

EXCAVATION OUTSIDE OF TRENCH

WALL

VERTICAL TRENCH

MIN

2'-0

(SEE NOTE 5)

PLACED BELOW PIPE

MIN 6" BEDDING

6"

(SEE SPEC. 02 31 60)

FILTER MATERIAL B

PERVIOUS

BOTTOM FORT UNION SAND PHASE

MIN 6"

TOP FORT UNION SAND PHASE

S E

E N

O T

E

BACKFILL

RANDOM

(SEE SPEC. 02 31 60)

FILTER MATERIAL B

PERVIOUS

P

IP

E Z

O N

E

2' - 0"

6" TOPSOIL AND SEEDING

VARIES FROM 1V ON 2H TO 2.5H

3'-0"

12" 12" 12"

PVC DRAIN

12" SLOTTED

PERVIOUS FILTER MATERIAL A

E S

O P

E R

F O

E L

G N

A

EXCAVATION OUTSIDE OF TRENCH

WALL

VERTICAL TRENCH

MIN

2'-0

(SEE NOTE 5)

PLACED BELOW PIPE

MIN 6" BEDDING

(SEE SPEC. 02 31 60)

FILTER MATERIAL B

PERVIOUS

BENCH

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