Drawings.pdf

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®of Engineers

US Army Corps

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NOTES:

18" OVERLAP

GEOTEXTILE

1. ELEVATIONS SHOWN ARE IN NGVD 29.

2. GROUND SURFACE ELEVATION VARIES FROM APPROXIMATELY 335 AT STATION 11+98 TO

APPROXIMATELY 337 AT STATION 15+83.

UP MANHOLE 12"

WRAP GEOTEXTILE

INVERT EL 328.0

GEOTEXTILE

GEOTEXTILE

3'

SLOPE

1:1 MAX

16"10"16"

.5

18" OVERLAP

SAND BEDDING

(SEE SPEC 31 05 19)

GEOTEXTILE

EXCAVATION

1:1 MAX SLOPE

GRADE

EXISTING

EL. 323.0

BE TOP SOIL AND SEEDED

FINISHED SURFACE TO

EXISTING GRADE

(1:1 MAX)

EXCAVATION

LIMIT OF

60" DRAIN MANHOLE

OF 3 COURSES)

(MIN OF 2 COURSES AND MAX

RIM TO REQUIRED ELEVATION

NEEDED TO BRING MANHOLE

USE BRICK COURSES AS

12" MIN.

.5

NOTES:

2'

12"

STA. 15+53

ELEVATION VARIES

EL. 323.0

10" HDPE PIPE, CLASS II

CRUSHED STONE

EXISTING IMPERVIOUS BLANKET

SPOIL FILL

BE TOP SOIL AND SEEDED

FINISHED SURFACE TO

EXISTING IMPERVIOUS BLANKET

12" MIN OF CRUSHED STONE

SPOIL FILL

FLUSH WITH FINISH GRADE

MARKED "DRAIN" PER SPECIFICATIONS

STANDARD MANHOLE FRAME AND COVER

1. MAINTAIN MINIMUM 1% SLOPE FOR ENTIRE LENGTH OF

HDPE PIPE.

2. ELEVATIONS SHOWN ARE IN NGVD 29.

V A

R

IE

S

6" SAND BEDDING

CHAINLINK FENCE

EXISTING RAILING WITH

EL. 323.0

EXISTING ROCK SLOPE

TRIM PIPE TO MATCH

INVERT EL 323.5

EXISTING RIPRAP

.5

NOTES:

AND THICKNESS.

MATCH EXISTING SLOPE

REMOVED AND REPLACED.

EXISTING RIP RAP TO BE

CRUSHED STONE

10" HDPE PIPE, CLASS II

EXISTING IMPERVIOUS BLANKET

SAND BEDDING

SPOIL FILL

1. MAINTAIN 1% MINIMUM SLOPE FOR ENTIRE

LENGTH OF HDPE PIPE.

2. ELEVATIONS SHOWN ARE IN NGVD 29.

3. COR SHALL INSPECT EXCAVATION AND

IMPERVIOUS LAYER AT DAYLIGHT END OF

PIPE PRIOR TO PLACEMENT OF NEW MATERIAL

FLOW

GEOTEXTILE

GEOTEXTILE

OF FLOW

DIRECTION

LAP UNDER IN

BASE SECTION

CONCRETE MONOLITHIC

PRECAST REINFORCED

60"

12" STEPS

NOTES:

BE TOP SOIL AND SEEDED

FINISHED SURFACE TO

EXCAVATION

1:1 MAX SLOPE

GRADE

EXISTING

EL. 323.0

APPROX. EL 336.8

6"

50"

EXISTING IMPERVIOUS BLANKET

10" HDPE DRAIN, CLASS II

CRUSHED STONE

SPOIL FILL

EXISTING RAILING

1. CONCRETE: 4,000 PSI MINIMUM AFTER 28 DAYS.

2. REINFORCED STEEL CONFORMS TO LATEST ASTM A185 SPEC. 0.15 SQ. IN./LINEAL FT. AND 0.15 SQ. IN.

(BOTH WAYS) BASE BOTTOM.

3. H-20 DESIGN LOADING PER AASHTO HS-20-44 ASTM C478 SPEC FOR "PRECAST REINFORCED;

CONCRETE MANHOLE SECTIONS."

4. BUTYL RESIN SECTION JOINT CONFORMS TO LATEST ASTM C990 SPECIFICATION.

5. STEEL REINFORCED COPOLYMER POLYPROPYLENE PLASTIC STEP CONFORMS TO LATEST ASTM C478 SPEC.

6. FILL ALL LIFTING HOLES WITH HYDRAULIC CEMENT (NON-SHRINK) MORTAR (TYP AT ALL LIFT HOLES)

7. ELEVATIONS SHOWN ARE IN NGVD 29.

AT ALL SECTION JOINTS

JOINT SEALANT REQUIRED

BUTYL RUBBER FLEXIBLE

HYDRAULIC CEMENT

EXTERIOR JOINTS WITH

SEAL ALL INTERIOR AND

CONCRETE RISER SECTION

PRECAST REINFORCED

USED IN LIEU OF CONE)

TOP SLAB MAY BE

CONE SECTION (FLAT

CONCRETE ECCENTRIC

PRECAST REINFORCED

E1

SCALE: 1" = 5' 0 5' 10' E4

0 5' 10'

C1

0 2' 4'1'

A N

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D

C-501

E7

TYPICAL DRAIN CROSS SECTION

NOT TO SCALE

SCALE: 1" = 2'

STAKE (SEE NOTE 2)

2" x 2" WOODEN

FILTER SOCK

12" DIAMETER COMPOST

3. FOR MORE DETAIL REFER TO SPEC SECTION 01 57 23.

ENTIRE LINEAR LENGTH OF COMPOST FILTER SOCK.

2. WOODEN STAKES SHALL BE SPACED EVERY 10' ALONG

CONTACT WITH THE GROUND ALONG ITS ENTIRE LENGTH.

1. BOTTOM OF COMPOST FILTER SOCK SHALL BE IN FULL

NOTES:

PROTECTED AREAWORK AREA

3"

A4

TYPICAL EROSION CONTROL BARRIER DETAIL

NOT TO SCALE

TYPICAL DRAIN SECTION

:1

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DRAIN MANHOLE SECTION

L T

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IB

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A7

STATION 15+53 SECTION

0 5' 10'

NOT TO SCALE

10" HDPE PIPE

CRUSHED STONE

INLET WALL

NOT TO SCALE

L T

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IB

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W

G R

A Y

DRAIN OUTLET DETAIL

A1

SCALE: 1/2" = 1' 0 2' 4'1'

GEOTEXTILE OVERLAP DETAIL

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