EI_FY14_Amd1_Plans.pdf

0-

AND 30" OD STEEL PIPE CONNECTION

APPROX . LOCATION OF HDPE PIPE

N G

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STEEL PIPE

SADDLE

CONCRETE

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CONCRETE PAD

5’X5’X18"

5 SEE SHEET S-1 FOR EXCAVATION DETAILS.

(EL. 1.0 NGVD 29 = EL. 0.0 NAVD 88).

4. ELEVATIONS ON THIS PROFILE ARE REFERENCED TO NGVD 29 DATUM.

SUPPORTS OR PIPE WILL BE ALLOWED IN THE WETLANDS.

3. NO TEMPORARY STOCKPILING OR PLACEMENT OF EXISTING OR NEW TIMBER PIPE

2. SEE REFERENCE DRAWINGS FOR DETAILS OF ITEMS TO BE REMOVED.

1. FOR DEMOLITION REQUIREMENTS SEE SECTION 02 41 00 OF THE SPECIFICATION.

DEMOLITION NOTES

AND STEEL WALKWAY.

4. CONTRACTOR SHALL CONSTRUCT SPILLWAY RISER AND CONCRETE FOUNDATION

3. SEE PLATES S-3 AND S-4 FOR DETAILS OF SPILLWAY BASE CONSTRUCTION.

FLANGE CONNECTION AND 12-INCH HDPE FLANGE CONNECTION.

PLATE. NEW STEEL PLATE SHALL BE FABRICATED TO RECIEVE 12-INCH DIP

1/2-INCH PLATE SHALL BE REMOVED AND REPLACED WITH NEW 1/2-INCH STEEL

FLANGED CONNECTION FOR 12-INCH DIP CLASS 350. EXISTING STEEL

2. CONTRACTOR SHALL MODIFY STEEL SPILLWAY BASE FOR SPILLWAY 7 TO

AS NEEDED TO COMPLETE CONTRACT REQUIREMENTS FOR SPILLWAY 7.

THE CONTRACTOR SHALL SUPPLEMENT THE GOVERNMENT FURNISHED PROPERTY

SECTION 01 10 00.10 38 SUPPLEMENTARY SPECIAL CONTRACT REQUIREMENTS.

ONSITE. LIST OF GOVERNMENT FURNISHED PROPERTY IS LOCATED IN SPEC

1. CONTRACTOR SHALL UTILIZE GOVERNMENT FURNISHED PROPERTY STORED

NEW WORK NOTES:

SPILLWAY RISER.

ABOVE THE INVERT TO INVERT GRADE LINE AT APPROXIMATELY 110 LF FROM THE

NOT AT A SINGLE FUSED JOINT. THE INVERT OF THE HDPE PIPE SHALL BE 2-FOOT

SHALL BE CREATED FROM THE FLEXIBILITY PROPERTIES OF THE HDPE PIPE AND

7. NEW 12-INCH HDPE PIPE SHALL BE CONSTRCTED WITH A CAMBER. PIPE CAMBER

SHALL DISCHARGE IN SAME LOCATION.

WATER CONTOUR AND EMERGENT MARSH. REINSTALLED 30-INCH HDPE PIPE

6. EXISTING DISCHARGE LOCATION IS LOCATED WATERWARD OF THE MEAN LOW

OR NEW TIMBER PIPE SUPPORTS OR PIPE WILL BE ALLOWED IN THE WETLANDS.

WITH NEW TIMBER. NO TEMPORARY STOCKPILING OR PLACEMENT OF EXISTING

5. TIMBER PIPE SUPPORTS FOR 30-INCH HDPE PIPE SHALL BE REPLACED IN KIND

NEW WORK NOTES CONTINUED:

SUPPORT BENT (TYP)

RISER BASE

TO BE REMOVED

LEGEND

EXISTING GROUND

TIMBER PIPE SUPPORTS

REMOVE EXISTING

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SPILLWAY 7 - DEMOLITION PROFILE

PIPE SUPPORT

PIPE INV. 11.0’

EXIST PIPE INVERT 3.69’

ANTI-SEEP COLLAR

EXISTING PILE

SPILLWAY FOUNDATION

EXIST PIPE INV.9.33’

RISER

H - PILES

SADDLE

CONCRETE

SEE PLATE S-2

TIMBER PIPE SUPPORTS

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279’

WETLANDS

EMBANKMENT FILL

PUMP-OUT PIPE

12" DIP CLASS 350

PLATE S-1

SEE DETAIL

APPROX. 2%

APPROX. 6%

INV.LINE

INV. TO

(SEE NOTE 7)

2’ CAMBER

SCALE IN FEET

VERTICAL SCALE: 1" = 10’

10 20 301020

HORIZONTAL SCALE: 1" = 20’

40 20 20 40 60

GEOTEXTILE

3+002+001+000+00-1+00

2.5H:1V

MATCH EXISTING)

(BACKFILL SHALL

EXISTING GROUND

LOCATION (SEE NOTE 6)

EXISTING DISCHARGE

B E

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P E

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P E

GEOTEXTILE 0

-10

-10

SEED & MULCH

35’

SEE PLATES S-3 AND S-4

12" OD HDPE PIPE SDR 11

DRAIN PIPE WITH SOCK SLEEVE

4" PERFORATED CORRUGATED PLASTIC

S

REUSE EXISTING HDPE PIPE

93’ - 30" OD HDPE PIPE

EL. 15.0

CONCRETE PAD

10’X15’X1’

RISER

4’x 8’STEEL

EL. 39.0

INV EL 15.6

FRAMES @ 8’MAX. SPAN

TIMBER PIPE SUPPORT

REPLACE IN KIND

SPILLWAY 7 - NEW WORK PROFILE

EL. 2.0’

CELL 3

> DIKE

WALKWAY

60’ STEEL

NEW

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TYP. ALL SIDES EXCEPT CULVERT SIDE.

TO ALLOWACCESS FOR BOARDS -

CUT AWAY OUTSIDE FLANGES ONLY -

TYP.

TYP.

TYP.

TYP.

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12" GATE VALVE

(SEE NOTE 10)

OF SPILLWAY BOX

EXTENDS TO TOP

GATE VALVE STEM

(SEE NOTE 10)

OF SPILLWAY BOX

EXTENDS TO TOP

GATE VALVE STEM

(SEE NOTE 12)

NEW LADDER

(SEE NOTE 12)

NEW LADDER

�" PL

S - MO./YR.P - MO./YR.

TYP.

TYP.

TYP.

TYP.

TYP.

12" DIP

12" HDPE PIPE

SECTION ONLY

DOOR SUPPORT, TOP

NEW L 2x2x1/4 HATCH

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8’ TOP & MIDDLE SECTIONS SIDE VIEW

TYP.

(SPILLWAY 7 ONLY SHOWN HERE)

AS SHOWN ON SHEET S-4 AND S-5

SPILLWAY BASE STEEL STRUCTURE

MODIFY GOVERNMENT FURNISHED

TYP.

C5x6.7

C5x6.7

�" PL

TYP.

SECTION "B-B"

TYP.

TYP.

TYP.

N.T.S.

�" PL

SECTION "A-A"

C5x6.7

TYP.

N.T.S.

C5x6.7 (TYP.)

C5x6.7 (TYP.)

TYP.

TYP.

TYP.

ABT 1"(TYP.)

ABT 1"(TYP.)

TYP.

GRIND CORNER TO FIT

SECTION "C-C"

SECTION "D-D"

(INSIDE CHANNELS ONLY)

5"

1�"

1�" DIA. HOLE�" PL

DETAIL "E"

(ANCHOR LUG-TYP.)

N.T.S.

N.T.S.

N.T.S.

DETAIL "E"

TYP. - SEE

ANCHOR LUG

C5x6.7

T Y

P

SHALL NOT EXCEED THAT SHOWN.

OF INTERMEDIATE MEMBERS

SECTIONS. MAXIMUM SPACING

THE HEIGHT OF ONE OR MORE

MAY BE NECESSARY TO REDUCE

TO THE HEIGHT SPECIFIED IT

* TO ASSEMBLE THE SPILLWAY

SCALE: 1"= 1’-0"

SPILLWAY INSTALLATION DATE

PIPE INSTALLATION DATE

C5x6.7 (TYP.)

DETAIL "E"

TYP. - SEE

ANCHOR LUG

BASE SECTION SIDE VIEW

TYP FOUR PLACES

MAY BE SUBSTITUTED)

2"x�" FB (L2"x2"x1/4"

"A" "A"

SCALE: 1"= 1’-0"

L2x2x1/4

L2x2x1/4

C5x6.7 (TYP.)

TYP.

TYP.

TYP.

�" PL

�" PL

24�"

TYP.

END VIEW

"B"

"B"

"D"

"D"

"C" "C"

SCALE: 1"= 1’-0"

�" PL

SPATTER. REMOVE ALL BURRS.

CONFORMING TO ASTM A 36.

BASE SECTION 2600 LBS.

10.

11.

9.

SPILLWAY SYSTEM.

COMPLY WITH THE REQUIREMENTS OF SPEC SECTION 33 40 02

INSTALL LADDER ON STEEL RISER BOXES AS SHOWN. LADDERS SHALL

COMPLY WITH THE REQUIREMENTS OF SPEC SECTION 33 34 00.

SPILLWAY PUMP-OUT PIPE SHALL BE 12-INCH DIP CLASS 350. DIP SHALL

MANUFACTURER.

BRACED/SUPPORTED AS RECOMMENDED BY THE GATE VALVE

THE TOP OF THE OF THE SPILLWAY BOX (EL. +39 FT) AND SHALL BE

OF SPEC SECTION 33 34 00. GATE VALVE STEM SHALL EXTEND TO

HDPE PIPE AND GATE VALVE SHALL COMPLY WITH THE REQUIREMENTS

GRAVITY DRAIN PIPE SHALL BE CONNECTED TO A 12-INCH GATE VALVE.

SPILLWAY GRAVITY DRAIN PIPE SHALL BE 12-INCH HDPE SDR 11. THE

WASHERS AND NUTS. HARDWARE SHALL BE STAINLESS STEEL.

12.

1.

2.

3.

4.

5.

6.

7.

8.

UNLESS OTHERWISE SHOWN, ALL MATERIAL IS TO BE CARBON STEEL

UNLESS OTHERWISE SHOWN, ALL CONSTRUCTION IS TO BE WELDED.

ALL WELDS ARE TO BE CONTINUOUS. VISUALLY INSPECT FOR CRACKS

AND PINHOLES: NO CRACKS OR PINHOLES ALLOWED.

SEQUENCE WELDING WHERE APPLICABLE TO MINIMIZE DISTORTION.

BREAK ANY SHARP CORNERS, REMOVE ALL WELD FLUX, SLAG, AND

ENSURE THAT ALL CONTACTING OR OVERLAPPING JOINT SURFACES ARE

CLEAN AND FREE OF ALL RESIDUAL OIL AND GREASE PRIOR TO WELDING.

COMPLETELY SEAL ALL JOINTS BY WELDING.

FABRICATE AS SEPARATE UNITS THE BASE SECTION HALVES AND THE TOP

SECTION HALVES, AND ANY ADD-ON SECTIONS. SURFACE PREPARATION

AND COATING SHALL BE IN ACCORDANCE WITH THE SPECIFICATIONS.

APPROXIMATE WEIGHT: 8’ SECTION 1750 LBS.

UNLESS OTHERWISE SHOWN, FABRICATION TOLERANCE IS PLUS/MINUS �".

FIELD ASSEMBLE THE SECTIONS USING �"-13 UNC-2A X 1�" BOLTS,

NOTES:

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BANDED END

(TYP.)

C 5x6.7

(TYP.)

C 5x6.7

C 5x6.7C 5x6.7

C 5x6.7 C 5x6.7

STEEL SPILLWAY

M

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CROSS BARS SPAN THIS DIRECTION

CROSS BARS SPAN THIS DIRECTION

8’-2"

0’-2"

3’-11�" (GRATING DIMENSION)

3’-11�" (GRATING DIMENSION)

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MIN

MIN

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IN

HANDRAIL DETAIL

SHALL BE GALVANIZED IN ACCORDANCE WITH ASTM A 123.

POUNDS PER SQUARE FOOT ON A 48�" SPAN AND DEFLECT LESS THAN �". GRATING

CROSS BARS. GRATING IS TO SAFELY SUSTAIN A UNIFORMLY DISTRIBUTED LOAD OF 200

MAIN BARS TO BE "DOVETAIL" SLOTTED AND HAVE THEIR SLOTS SOLIDLY FILLED BY THE

SO AS NOT TO REMOVE EXCESSIVE MATERIAL FROM THE LOAD SUSTAINING MEMBERS.

CENTER. MAIN BARS AND CROSS BARS TO BE SLOTTED AT THEIR INTERSECTIONS

TO BE RECTANGULAR CROSS SECTION, FLUSH TOP AND SPACED AT 4" CENTER TO

BARS TO BE SERRATED 1�" x�" SPACED AT 1�" CENTER TO CENTER. CROSS BARS

BY IKG INDUSTRIES, A DIVISION OF HARSCO CORPORATION, OR APPROVED EQUAL. MAIN

GRATING TO BE PRESSURE LOCKED RECTANGULAR DESIGN, TYPE B, AS MANUFACTURED

RAILING AND GRATING.

CONTRACTOR TO FIELD VERIFY ALL DIMENSIONS, PRIOR TO FABRICATION OF THE

WITH ASTM A 123.

ALL STEEL RAILING, CONNECTION PLATES, ETC. SHALL BE GALVANIZED IN ACCORDANCE

NOTES

1.

2.

3.

4. ALL STEEL HARDWARE SHALL BE GALVANIZED IN ACCORDANCE WITH ASTM A 153.

N.T.S.

1’-9"

1’-9"

1�"

3’-6"

L 3x3x�

(TYP.)

L 3x3x�

L 3x3x�

(TYP.)

MITER CORNERS

(TYP.)

�" DIA. A325 GALV.

BOLT (TYP.)

STEEL GRATING MAIN

BAR �x 1 �

GRATING, BANDED END (TYP.)

P �X 1�L

MAIN BAR �x 1�

(TYP.)

BEARING P �x 1 x 1�L

N.T.S.

BEARING PLATE DETAIL

�" BANDING BAR

STEEL WALKWAY

3"

M

IN

DRILL BOLT HOLES.

CONTRACTOR TO FIELD

SIDES)

HANDRAIL (TYP. 3

C 5x6.7

GRATING CONNECTION DETAIL

N.T.S.

L

C 5x6.7

(TYP.)

(TYP.)

�" DIA. A325 BOLT

AT EACH CORNER

AND 12" MAX.

NOTE: BANDING BAR NOT SHOWN

MAIN GRATING BAR, �x 1�

BEARING P �x 1 x 1�

STRUCTURES, SECTION 1080.

WITH NCDOT STANDARD SPECIFICATIONS FOR ROADS AND

BE PAINTED WITH TWO COATS OF ZINC RICH PAINT, IN ACCORDANCE

REQUIRED. EXPOSED STEEL FROM FIELD DRILLING HOLES TO

CONTRACTOR TO FIELD DRILL BOLT HOLES IN C 5X6.7 WHERE

(HINGE SIDE)

(LOCK SIDE)

MODIFICATION NOTES

2.

1.

N.T.S.

PLAN - NEW 4x8 SPILLWAY

MODIFICATION NOTES

NEW HATCH (2’ X 3’) SEE

MODIFICATION NOTES

SPACE ENTRY DAVIT SEE

NEW BASE FOR CONFINED

3.

4.

1 1

SPILLWAY SYSTEM.

SHALL COMPLY WITH THE REQUIREMENTS OF SPEC SECTION 33 40 02

ENTRY POST AND DAVIT. THE CONFINED SPACE ENTRY BASE AND DAVIT

CONTRACTOR SHALL BOLT MANUFACTURED BASE FOR A CONFINED SPACE

FRAMING FOR 2-FT X 3-FT ACCESS DOOR.

MODIFY TOP STEEL RISER TO INCLUDE L2x2x1/4 STEEL MEMBERS TO PROVIDE

VALVE STEM.

ALLOW ACCES FOR A "T" HANDLE VALVE WRENCH TO OPERATE THE GATE

THE CONTRACTOR SHALL MODIFY THE GRATING FOR SPILLWAY 7 RISER TO

RISER. ACCESS DOOR SHALL BE ALUMINUM WITH HINGES AND LOCKING DEVICE.

INSTALLATION OF A 2-FT X 3-FT ACCESS DOOR ON THE TOP OF THE SPILLWAY

THE CONTRACTOR SHALL MODIFY THE GRATING FOR EACH SPILLWAY TO ALLOW

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