Dayson_Island_Weir_plans_2007_MD.PDF

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STATION

20’20’ 0 40’

"A"

N

SCALE: A

PROFILE SCALE: HORZ. 1:1

VERT. 4:1

X 496,811.31

Y 2,207,730.47

X 496,807.47

Y 2,207,715.97

END OF PIPE

X 496,570.42

Y 2,207,794.30

INVERT 2.0

END OF PIPE

X 496,563.29

Y 2,207,780.67

INVERT 2.0

EL 24.0

EL 15.0

25’-0"

X 496,829.11

Y 2,207,718.00

PROFILE

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CREST(APPROXIMATE EL. 33.0 NAVD)

30" DIA HDPE PIPE

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LOCATION PLAN

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WEIR

OUTLET PIPE

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X 496,984.29

Y 2,207,676.88

S 401

24 CONTOUR

DYSON UPLAND

DISPOSAL AREA

CB-MCDI06-01

C B

-M C

D I0

-0

NOTE:

ILLUSTRATIVE PURPOSES ONLY. ACTUAL EXCAVATION LIMITS

FOR THE CONSTRUCTION OF THE WEIR AND OUTLET PIPES

MAY VARY BASED ON THE CONTRACTOR’S PROPOSED

SHALL MEET THE REQUIREMENTS OF EM 385-1-1, SAFETY AND

HEALTH REQUIREMENTS MANUAL. THE CONTRACTOR SHALL SUBMIT

THE APPROXIMATE TEMPORARY EXCAVATION LIMITS SHOWN

AN EXCAVATION PLAN FOR GOVERNMENT APPROVAL. THE PLAN

REGISTERED IN THE STATE OF FLORIDA. THE PLAN SHALL ALSO

ARE BASED ON 1 ON 3 SIDE SLOPES AND ARE SHOWN FOR

OPERATIONS. THE CONTRACTOR IS RESPONSIBLE FOR THE

DESIGN OF THE TEMPORARY EXCAVATION AND ALL WORK

SHALL INCLUDE SIDE SLOPE CALCULATIONS AND DRAWINGS

SHOW ACCESS FOR EMPLOYEES, EQUIPMENT, AND MATERIALS AND

REQUIREMENTS FOR RECONSTRUCTION OF THE DISPOSAL AREA

DIKE.

APPROXIMATE TEMPORARY

EXCAVATION LIMIT

APPROXIMATE TEMPORARY

EXCAVATION LIMIT

PREPARED BY A REGISTERED PROFESSIONAL ENGINEER

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Drawing no.

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GENERAL PLAN

SCALE: "A"

1 on 3

0 16’8’ 8’

GRAPHIC SCALE

DIKE

C

INLET SIDE

OUTLET SIDE

TOE OF SLOPE

1 on 3

"A"

S02

A

SECTION

SCALE: AS02

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DIKEC

TOE LINE

EXISTING DIKE

DOWNSTREAM

INVERT EL 2.0

BOTTOM OF WEIR

RISER, EL 15.0

N

WOODEN SUPPORTS (TYP)

WOODEN SUPPORTS (TYP)

C

CULVERT

INV EL 15.5

TOP OF DIKE, EL 33.0

TOP OF WEIR RISER,

EL 30.0

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TIMBER PILE

(TYP)

CONCRETE

SUPPORT

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14’-0"

WEIR RISER

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14’-0"

CONCRETE SUPPORT

30" DIA HDPE PIPE

30" DIA HDPE PIPE, APPROXIMATE LENGTH 250’

NATURAL GROUND LINE

CONCRETE PAD

CONCRETE PAD

ALUMINUM LADDER

CAP STUB

FLANGE JOINT

R=4.5’

(TYP)

C CROSS WALKWAY

S 402

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NOTES

1. FOR GENERAL NOTES, PARTIAL PLAN,

SECTIONS B-B AND C-C, SEE DWG NO.S 403.

2. FOR LOCATION, SEE DWG NO.S 401.

TOP OF DECK EL 33.0

CONTRACTOR DESIGNED WOODEN

ACCESS WALKWAY WITH PLASTIC

LUMBER DECK AND HANDRAILS

TEMPORARY PIPE

CONNECTION TO

BE PROVIDED BY

THE CONTRACTOR

FOR RETURN WATER

DISCHARGE

OUTLINE OF WOODEN WALKWAY

WITH PLASTIC LUMBER DECK

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FLOW

FLOW

3’-0"

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30" DIA CAP STUB

R ’-6

4’-6" 4’-6"

INVERT EL 15.5

9’-0" DIA. CAP

WEIR RISER

SCALE "A"

SCALE "A"

SAFETY CHAIN

1’-4"

2’-4"

BOTTOM OF WEIR

RISER EL 15.0

CC

F L

O W

30" DIA CAP STUB

R ’-6

BASE PLATE

4’-6" 4’-6"

C

C

C

108" DIA CAP WEIR RISER

TIMBER CHOCK (TYP)

BOLT (TYP)

BASE PLATE

C

WOODEN PILE (TYP)

SCALE "A"

ALUMINUM LADDER ALUMINUM LADDER

ALUMINUM

LADDER

ALUMINUM

LADDER

LADDER SUPPORT (TYP)

ALUMINUM LADDER

C

BASE PLATE

WOODEN PILE (TYP)

12" 3’ 4’2’1’0 5’

"A"

6"

GRAPHIC SCALES

S03

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BASE PLATE

LADDER SUPPORT (TYP)

S03

C

S03

B

SECTION

VIEW

ANCHOR BOLT WITH

NUT AND WASHER (TYP)

BRACE (TYP.)

BRACE (TYP.) BRACE (TYP.)

2 WEIR RISERS REQUIRED

(WOODEN WALKWAY NOT SHOWN FOR CLARITY)

BASE PL

HAND RAIL PER

CONTRACTOR DESIGN

15’-0"

15’-0"

BOTTOM OF WEIR

RISER EL 15.0

TOP OF WEIR RISER,

ELEVATION 30.0

TOP OF WEIR RISER,

ELEVATION 30.0

FOR PIPE SLOPE,

SEE DWG NO S02

(T Y

P

6’-0"

WIDE FLANGE SECTION (TYP)

(WALKWAY HAND RAIL NOT SHOWN FOR CLARITY)

30" DIA CAP STUB 3’ LONG

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WEIR RISER, 30" DIA HDPE

PIPE AND LADDER

WEIR RISER, 30" DIA HDPE

PIPE AND LADDER

30" DIA HDPE PIPE

30" DIA HDPE PIPE

PARTIAL PLAN - WEIR RISERS

WEIR RISER, 30" DIA HDPE

PIPE AND LADDER

STRUCTURE WEIR RISER, 30" DIA HDPE

PIPE AND LADDER

FLANGE JOINT

CROSS WALKWAY

STRUCTURE AND WALKWAY

(SEE DWG NO. S02 FOR FULL PLAN)

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S 403

NOTES:

1. FOR WEIRS RISERS LAYOUT PLAN, SEE DWG NO S 402.

2. EXCAVATE AS REQUIRED TO INSTALL 30 INCH DIAMETER

HDPE PIPES. PROVIDE SUITABLE

BEDDING + BACKFILL MATERIAL PER ASTM B788/B788M

3. GRADES SHOWN ARE APPROXIMATE.

4. STRUCTURAL MEMBERS, INCLUDING TIMBER PILES, ARRANGEMENT,

LOCATION ETC. ARE PICTORIAL ONLY. FINAL SIZES,

ARRANGEMENT, LOCATION ETC. SHALL BE PER CONTRACTOR’S DESIGN.

WEIR RISER AND CULVERT NOTES:

1. CONTRACTOR SHALL DESIGN THE CORRUGATED ALUMINUM PIPE

(CAP) STOPLOG WEIR RISERS, HDPE PIPES AND WOODEN PILES.

SUBMIT DESIGN COMPUTATIONS AND DRAWINGS

CERTIFIED BY A REGISTERED PROFESSIONAL ENGINEER IN THE STATE OF

FLORIDA, FOR APPROVAL BEFORE COMMENCING FABRICATION. CONTRACTOR

SHALL ALSO DESIGN SUPPORTS FOR 30" DIA HDPE PIPES AT THE

DISCHARGE ENDS FOR UPLIFT FORCES AND SUBMIT DESIGN COMPUTATION

FOR APPROVAL.

2. ALL STRUCTURAL MEMBERS SHALL BE ALUMINUM 6061-T6.

3. ALL WELDS ARE PER LATEST EDITION OF AMERICAN WELDING

SOCIETY’S STRUCTURAL WELDING CODE AWS D1.2 (ALUMINUM)

4. HDPE (HIGH DENSITY POLYETHYLENE) PIPES SHALL

CONFORM TO ASTM D1248.

5. THE FLANGE CONNECTOR BETWEEN THE 30 INCH DIA CAP STUB

AND 30 INCH DIA HDPE PIPE SHALL BE PER MANUFACTURER’S

RECOMMENDATION.

6. THE 108" DIA WEIR RISERS SHOULD CONFORM TO ASTM B745/B745M.

7. CONTRACTOR SHALL DESIGN AND FURNISH STOP LOGS.

STOP LOGS SHALL BE 4.5’_ LONG AND SHALL BE OF

PRESSURE TREATED WOOD.

8. CONTACT SURFACES BETWEEN WEIR RISER AND WOOD

OR NON-ALUMINUM SURFACES SHALL BE PAINTED WITH A

BITUMINOUS PAINT OR EQUAL TO PREVENT GALVANIC ACTION

BETWEEN TWO DISSIMLAR MATERIALS.

9. WOODEN PILES DESIGN SHALL BE PER SPECIFICATION

’ROUND TIMBER PILES’, SECTION 31 62 20.

10. ALL BOLTS, NUTS, WASHERS AND ASSOCIATED HARDWARE

FOR BOLTED CONNECTIONS SHALL BE MANUFACTURED FROM

TYPE 316 CORROSION RESISTANT STEEL.

11. ALL BOLTED CONNECTIONS TO THE WEIR RISER (CORRUGATED

ALUMINUM PIPE) SHALL BE MADE WATER TIGHT BY THE USE OF

NEOPRENE GASKET MATERIAL OR AN APPROVED SEALANT.

THE CONTRACTOR SHALL SUBMIT FOR APPROVAL THE PROPOSED

METHOD OF SEALING THE CONNECTIONS.

WALKWAY NOTES:

1. CONTRACTOR SHALL DESIGN AND INSTALL WOODEN ACCESS WALKWAY.

SEE SPECIFICATIONS SECTION 06 30 00 FOR DESIGN REQUIREMENTS.

2. PILE LOCATIONS FOR WALKWAY SUPPORT ARE INDICATIVE ONLY.

LOCATION AND TIP ELEVATION WILL BE BASED ON SOIL

CONDITION AND CONTRACTOR DESIGN.

3. SPLICING IN PILES WILL NOT BE PREMITTED UNLESS APPROVED

BY THE CONTRACTING OFFICER.

4. WALKWAY (EXCEPT DECKING) SHALL BE CONSTRUCTED OF PRESSURE TREATED WOOD.

DECKING SHALL BE CONSTRUCTED OF PLASTIC LUMBER. SEE SPECIFICATION

SECTION 06 10 20 ’PLASTIC LUMBER’.

TOP OF DECK, ELEVATION 33.0 TOP OF DECK, ELEVATION 33.0

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SAFETY ON THIS JOB

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US Army Corps of Engineers

Jacksonville District

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