Amdt002RevisedPlans.pdf

l&d1_siteplan.dgn 12/9/2009 12:59:39 PM

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BLDG.

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U.G.TEL.

U .G .T

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U .G .T

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U.G.TEL.

FIR

E

PUMP

SWAMP

T O

N C

H

W Y. 8

S

E

F T

S

’ W

S 5̂ 00’ E 933 FT.

STAIRWAY

W A

L K

W A

Y

GATE

TRESTLE

GATE

LOWER

POOL

ELE

V. +

FT.

RAMP

G A

G E

GATE

GATE

RIPRAP

R

IP

R A P

R

IP

R A P

G A T E

S T A T E

R

O A D

G A T E

RIPRAP

N C

H

W Y

B U

O Y

L

IN

E

C O

N C

S L

A B

CONCRETE RETAINING WALL

D D I E S E L

T A

N K

SCALE IN FEET

SCALE: 1" = 50’

50 50 100

ASPHALT PAVEMENT OVERLAY

ASPHALT PAVEMENT OVERLAY

APPROX. LOCATION

OF REPAIR AREAS

(TYP.)

APPROX. LOCATION

OF REPAIR AREAS

(TYP.)

PAVE

D

ESP

LA

NADE

LO

CK

0’ X

XX

X X

XX

X X

APPROX. 190 LF

OF 15" HDPE

NEW DROP INLET

& GRATE

NCDOT STD INDEX

No. 840.15 & 840.16

PIPE OUTLET

PROTECTION

TEMP. SILT FENCE

SCOUR HOLE REPAIR

BOAT RAMP REMOVAL

AND REPLACEMENT

SEE SCOUR HOLE NOTES

F

P-3

P-3

P-3

P-3

P-3

P-3

SEE PLATE P-3

SEE PLATE P-5

FOR DETAILS

SEE PLATE P-5

FOR DETAILS

V A

L V

E

P O

T A B

W A T E R

U.G. ELEC.

G E

N E R

A T

O R

E G

U G

T

U .G .T

E L

T R

IP

L E

X

U .G

E L E

C

D .B

P O

T A B

W

T E R

F

P-4 l d s i t e p l a n d g n

MISCELLANEOUS PAVING AND BOAT RAMP REPLACEMENT NOTES

NOTES FOR DROP INLET

LOCK C

HAMBER W

ALL

EXISTING

SHEET PILE WALL

ABUTMENT

UP

PER

POOL

ELE

V. +

FT.

D A

M

C A P

F E

R R I

V E R

P-3

A

P-3

B

C

D

E

G

H

NO PAVEMENT WORK WILL BE ALLOWED FROM 15 DECEMBER THROUGH 15 MARCH.

THE CONTRACTOR SHALL REMOVE ALL SOIL, GRASS AND OTHER DEBRIS AND WHEEL STOPS FROM

SURFACE OF EXISTING PAVEMENT PRIOR TO PAVING AND CRACK SEALING OPERATIONS.

PRIOR TO PAVEMENT OVERLAY, CRACKS IN EXISTING PAVEMENT SHALL BE FILLED WITH CRACK SEALER

IN ACCORDANCE WITH SPECIFICATION SECTION 32 01 17.16

THE REQUIRED PAVEMENT REPAIR AREAS SHOWN ON THE PLAN ARE APPROXIMATE. PRIOR TO PAVEMENT

REPAIR THE CONTRACTOR SHALL MEET ONSITE WITH THE CONTRACTING OFFICER’S REPRESENTATIVE TO

DETERMINE THE EXACT LOCATION AND DELINEATION OF THE REPAIR AREAS.

IN REQUIRED PAVEMENT REPAIR AREAS THE CONTRACTOR SHALL SAW CUT AND REMOVE THE EXISTING

PAVEMENT AND UNDERLAYING MATERIAL TO A DEPTH AS REQUIRED FOR PLACEMENT OF 6" OF ABC AND 2"

SF-9.5A TO PROVIDE FOR EVEN TIE-IN WITH EXISTING PAVEMENT. THE CONTRACTOR SHALL DISPOSE OF

EXISTING PAVEMENT AND UNDERLAYER MATERIAL REMOVED OFFSITE.

A PAVEMENT WIDENER SHALL BE PROVIDED AT THE LOCATIONS SHOWN. SEE PLATE P-4 FOR PAVEMENT

WIDENER DETAIL.

ALL PAVEMENT REPAIR WORK, PAVEMENT WIDENER AND CRACK SEALING SHALL BE COMPLETED AND

APPROVED BY THE CONTRACTING OFFICER’S REPRESENTATIVE PRIOR TO COMMENCEMENT OF THE PAVEMENT

OVERLAY WORK.

THE CONTRACTOR SHALL PROVIDE A 2" OVERLAY OF SF-9.5A OVER THE EXISTING PAVED ACCESS ROAD AND

PARKING AREAS AND PAVEMENT WIDENER AS SHOWN ON THE PLAN. NO ISOLATED LOW AREAS WHICH RETAIN

WATER WILL BE ALLOWED IN THE FINISHED PAVEMENT. THE CONTRACTOR SHALL PROVIDE A SMOOTH TIE IN

WHERE THE NEW PAVEMENT OVERLAY MEETS WITH STATE ROAD 1734 AND AT THE INTERFACE WITH THE NEW

CONCRETE BOAT RAMP.

SEE PLATE P-4 FOR TYPICAL SECTIONS AND PAVEMENT CONSTRUCTION DETAILS.

SEE PLATE P-6 FOR PAVEMENT MARKING DETAILS.

PRIOR TO REMOVAL OF EXISTING CONCRETE WHEEL STOPS THE CONTRACTOR SHALL MEET ONSITE WITH THE

CONTRACTING OFFICER’S REPRESENTATIVE TO VERIFY THE CONDITION OF EACH WHEEL STOP. WHEEL STOPS

DAMAGED BY THE CONTRACTOR SHALL BE REPLACED AT NO COST TO THE GOVERNMENT. WHEEL STOPS SHALL

BE REINSTALLED FOLLOWING COMPLETION OF PAVEMENT OPERATIONS AND MARKING. CONTRACTOR SHALL

ALSO PROVIDE AND INSTALL 10 NEW CONCRETE WHEEL STOPS. WHEEL STOPS SHALL BE CENTERED IN EACH

PARKING SPACE AND ANCHORED DOWN WITH A 2’LONG NO. 4 REBAR ON EACH END OF WHEEL STOP. SEE PLATE

P-6 FOR WHEEL STOP DETAILS AND PLACEMENT REQUIREMENTS.

1.

2.

3.

4.

5.

6.

7.

8.

9.

10.

11.

12.

13.

14.

15.

16.

17. THE CONTRACTOR SHALL FIELD VERIFY LOCATION OF EXISTING UTILITIES. CONTRACTOR SHALL COORDINATE

RELOCATION OF UTILITIES AND STRUCTURES WITH THE CONTRACTING OFFICER’S REPRESENTATIVE, LOCKMASTER, AND LOCAL UTILITY AUTHORITIES, AS APPLICABLE.

THE CONTRACTOR SHALL FURNISH AND INSTALL NEW DROP INLET AND GRATE

ADJACENT TO PARKING AREA AS SHOWN.

DROP INLET SHALL BE NCDOT STANDARD INDEX 840.14.

DROP INLET FRAME AND GRATE SHALL BE NCDOT STANDARD INDEX 840.16.

SET TOP OF INLET GRATE APPROXIMATELY 6" BELOW ADJACENT TOP OF PAVEMENT

ELEVATION. PIPE INVERT OUT SHALL BE SET 3’ BELOW TOP OF GRATE

ELEVATION. MINIMUM PIPE SLOPE SHALL BE 1%. OUTLET END OF PIPE SHALL

DAYLIGHT OUT EXISTING RIVER BANK SLOPE.

PIPE SHALL BE FIELD ADJUSTED FOR BEST FIT. CONTRACTOR SHALL, AT NO

ADDITIONAL COSTS TO THE GOVERNMENT, FIELD ADJUST PIPE LENGTH, INVERT

ELEVATIONS (INLET AND OUTLET) AND DROP INLET GRATE ELEVATION FOR BEST FIT

TO EXISTING FIELD CONDITIONS TO ASSURE POSITIVE DRAINAGE.

CONCRETE WALKS, CHAIN LINK FENCES, AND ANY OTHER EXISTING FEATURES

DISTURBED DURING TRENCHING AND PLACEMENT OF PIPE CULVERT SHALL BE

REPAIRED TO THE SATISFACTION OF THE CONTRACTING OFFICER’S REPRESENTATIVE.

CONCRETE WALK SHALL BE SAWCUT AND REPAIRED IN ACCORDANCE WITH SECTION

03 31 00.00 10 OF THE SPECIFICATIONS.

PIPE OUTLET END SHALL BE PROTECTED WITH RIPRAP AS SHOWN ON PIPE OUTLET

RIPRAP DETAIL ON PLATE P-5. RIPRAP SHALL EXTEND TO THE TOE OF THE

EXISTING SLOPE.

SEE PLATE P-5 FOR DROP INLET PROTECTION DETAIL.

1.

2.

3.

4.

5.

6.

7.

8.

APPROX. STONE

PLACEMENT LIMITS

PAVEMENT

WIDENER

BRASS DISC

BENCH MARK

"NCGS LOCK 1A"

EL. = 20.97’ NGVD 29

= 17.87’ LOWER POOL

MEAN LOW WATER

SEE MISC. PAVING & BOAT RAMP

REPL. NOTES NO’s 12, 13 & 14

C H

A

IN

L

IN

K

F E

N C

E

C H

K

F

E N

C E

W EST

SID

E

FIS

H L

ADDER

EAST SIDE

FISH LADDER

NOTES FOR SCOUR HOLE

HORIZONTAL DATUM: NAD 1983

SOUNDINGS ARE EXPRESSED IN FEET AND TENTHS AND REFER TO LOCK 1 LOWER

POOL LOW WATER DATUM.

PROJECT SURVEYED 18 AUGUST 2009 WITH DISTRICT SURVEY VESSEL "SKIMMER"

USING DGPS HORIZONTAL POSITIONING EQUIPMENT AND 200 KHZ SOUNDING

EQUIPMENT.

TIDE GAGE LOCATED AT: STAFF IN LOWER POOL

+3.0’ ON LOWER POOL GAGE = 0’ LOCK 1 LOWER POOL LOW WATER DATUM

+14.0’ ON UPPER POOL GAGE = ELEVATION CREST OF DAM

THE INFORMATION DEPICTED ON THIS MAP REPRESENTS THE RESULT OF SURVEYS

MADE ON THE DATE INDICATED AND CAN ONLY BE CONSIDERED AS INDICATING THE

GENERAL CONDITIONS EXISTING AT THAT TIME.

NAVIGATION AIDS LOCATED WITH DISTRICT VESSEL, ACCURACY +/- 3 METERS.

LATITUDE AND LONGITUDE ARE EXPRESSED IN DEGREES DECIMAL MINUTES.

DESCRIPTION EASTING NORTHING LATITUDE LONGITUDE

DANGER BUOY 2,213,298.68 238,856.65 34 24.25174 78 17.57329

THE CONTRACTOR SHALL PROVIDE ONSHORE STAGING AREA(S) IF HIS PARTICULAR

OPERATION SHOULD SO DICTATE. IN LOCATING, SECURING AND USING ANY

ONSHORE STAGING AREA(S) THE CONTRACTOR SHALL FULLY COMPLY WITH ALL

FEDERAL, STATE, AND LOCAL LAWS, REGULATIONS AND ORDINANCES. NO DIRECT

PAYMENT WILL BE MADE FOR PROVIDING ONSHORE STAGING AREA(S).

IF THE GOVERNMENT PROPERTY ON THE WEST SIDE OF THE RIVER IS TO BE USED

FOR A STAGING AREA AND/OR RIVER ACCESS FOR THE SCOUR HOLE REPAIR WORK,

THE PAVING AND BOAT RAMP REPLACEMENT WORK WILL NOT BE ALLOWED TO COMMENCE

UNTIL THE SCOUR HOLE REPAIR WORK IS COMPLETE.

NO IN WATER CONSTRUCTION FOR THE SCOUR HOLE REPAIR OR BOAT RAMP

CONSTRUCTION WILL BE ALLOWED DURING THE PERIOD 1 FEBRUARY 2010 THRU 15

JUNE 2010.

THE CONTRACTOR SHALL PLACE NCDOT CLASS B UNDERLAYER STONE AND ARMOR

STONE TO PROVIDE A FINISHED CROSS SECTION IN ACCORDANCE WITH THE

SECTIONS SHOWN ON PLATE P-3. STONE PLACEMENT SHALL EXTEND ACROSS FACE

OF DAM FROM THE LOCK CHAMBER WALL TO THE EAST SIDE FISH LADDER CONCRETE

WALL AND CONCRETE ABUTMENT. THE CONTRACTOR SHALL USE EXTREME CAUTION

PLACING STONE ON EACH SIDE OF WEST SIDE FISH LADDER TO AVOID DAMAGE TO

THE FISH LADDER. NO STONE SHALL BE PLACED BETWEEN THE LOWER END OF THE

WEST SIDE FISH LADDER AND THE EXISTING SHEET PILE WALL EXTENDING ACROSS

RIVER AT BASE OF DAM IN ORDER TO MAINTAIN A CLEAR PASSAGE WAY FOR FISH

TO THE FISH LADDER.

EXISTING STRUCTURES INCLUDING THE FISH LADDERS DAMAGED BY THE CONTRACTOR

SHALL BE REPAIRED TO THE SATISFACTION OF THE CONTRACTING OFFICER AT NO

COST TO THE GOVERNMENT.

1.

2.

3.

4.

5.

6.

7.

8.

9.

10.

11.

1V

L D 1V

L D 1V

L D 1V

L D 1V -0

-4

L D 1V

LD

1V -0 0-

LD1V-00-1

LD1V-00-5

LD1V-00-5A

LD1V-00-5B

LD1V-00-7

LD1V-00-7A

B-1

B-2

B-3

B-4

LD1V-00-1

LEGEND

L T C

BORING LOCATION

EXIST. CONC.

BOAT RAMP

APPROX. 130’+_

THE EXISTING CONCRETE BOAT RAMP SHALL BE REMOVED AND REPLACED WITH A NEW 16’ WIDE CONCRETE

RAMP. SEE PLATE R-1 FOR EXISTING BOAT RAMP DETAILS AND PLATE P-7 FOR NEW BOAT RAMP DETAILS.

NEW BOAT RAMP SHALL BE EXTENDED 30’ ON THE UP HILL END FROM THE LIMITS OF THE EXISTING BOAT RAMP.

THE NEW 16’ WIDE BOAT RAMP CENTERLINE SHALL BE SHIFTED 2’ FROM THE CENTERLINE OF THE EXISTING

BOAT RAMP CENTERLINE AND WIDENED BY 4’ ON THE UPSTREAM SIDE.

TOP OF CONCRETE ELEVATION AT TOE OF EXISTING BOAT RAMP IS APPROXIMATELY 2.3’ NGVD 29 BASED ON A

FEBRUARY 2001 SURVEY. CONTRACTOR SHALL FIELD VERIFY TOP OF CONCRETE ELEVATION AT TOE OF EXISTING

BOAT RAMP PRIOR TO BOAT RAMP REMOVAL. NEW BOAT RAMP SHALL BE CONSTRUCTED TO MATCH THE

APPROXIMATE SLOPE OF THE EXISTING BOAT RAMP.

EXISTING RIPRAP, MOST OF WHICH IS GROUTED IN PLACE, SHALL BE REMOVED FROM THE FOOTPRINT FOR

THE NEW BOAT RAMP AND NEW RIPRAP AND PLACED AS DIRECTED BY THE CONTRACTING OFFICER ON THE

SHORELINE OF THE UPSTREAM SIDE OF THE BOAT RAMP. EXISTING RIPRAP CAN NOT BE USED FOR THE NEW

BOAT RAMP RIPRAP PROTECTION REQUIREMENTS SHOWN ON PLATE P-7.

PRIOR TO BOAT RAMP CONSTRUCTION, THE CONTRACTOR SHALL INSTALL A COFFER CELL OR APPROVED EQUAL.

THE STRUCTURE SHALL BE DESIGNED BY A REGISTERED ENGINEER IN THE STATE OF NORTH CAROLINA AND

CONSTRUCTED SUCH THAT SOIL CAN NOT ESCAPE INTO THE RIVER. COFFER CELL CONSTRUCTION AND DEWATERING

SHALL BE LIMITED TO THE TIME PERIOD FROM 16 JUNE 2010 TO 31 JANUARY 2011. AFTER COMPLETION OF

COFFER CELL INSTALLATION, THE BOAT RAMP WORK AREA SHALL BE DE-WATERED AND KEPT FREE OF WATER DURING

CONSTRUCTION. UPON COMPLETION OF BOAT RAMP CONSTRUCTION THE CONTRACTOR SHALL REMOVE AND

PROPERLY DISPOSE OF THE COFFER CELL. IF COFFER CELL IS TO BE REMOVED BETWEEN 1 FEBRUARY 2011 AND

15 JUNE 2011, THE CONTRACTOR SHALL MEET ONSITE WITH THE CONTRACTING OFFICER’S REPRESENTATIVE

AND A REPRESENTATIVE OF THE NC WILDLIFE RESOURCES COMMISSION AN/OR NC DIVISION OF MARINE FISHERIES

PRIOR TO REMOVAL.

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SHEET 2 OF 7

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L D 1V

BoatRampDetails.dgn 12/9/2009 1:14:14 PM

16’

(TYP.)

160’

10 EQUAL

SECTIONS

C O

N C

R E

A T

R

A

T

A

IL

S

NOTE: WATER LEVEL WILL FLUCTUATE DEPENDENT ON RIVER FLOW CONDITIONS.

CURB

GROOVE

#4 REBAR

24" O.C.

(SEE DETAIL

NOTES)

SLOPE TO MATCH APPROX. SLOPE

OF EXISTING BOAT RAMP

B o a t

R a m p

D e t a i l s d g n

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E V

IS

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N

J O

T A T

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E

S T

Y L E

L T C

5’

5’

�" EXPANSION

JOINT

NEW ASPHALT

OVERLAY

CONSTRUCTION

JOINT (TYP.)

SCALE: N.T.S.

1 BOAT RAMP JOINT LAYOUT

5’

COMPACTED SUBGRADE

SCALE: N.T.S.

16’

E A

R

T

Y P

3" CLEAR

(TYP.)

1’ 2’-4"

COMPACTED

SUBGRADE

SCALE: N.T.S.

1"

(TYP.)

1"

(TYP.)

SCALE: N.T.S.

�" EXPANSION

JOINT

BOAT RAMP SECTION, TYPICAL

BOAT RAMP SECTION, TYPICAL

BOAT RAMP SURFACE DETAIL

T

Y P

8" THICK NCDOT CLASS AA

CONCRETE SLAB, REINFORCED

8" THICK NCDOT CLASS AA

CONCRETE SLAB, REINFORCED

NCDOT CLASS AA CONCRETE

SCALE: N.T.S.

6 BOAT RAMP TOE DETAIL

3" CLEAR (TYP.)

1’ 2’-4"

COMPACTED

SUBGRADE

8" THICK CONCRETE

(NCDOT CLASS AA)

W/ #4’S @ 12" O.C.

EACH WAY

8" THICK CONCRETE

(NCDOT CLASS AA)

W/ #4’S @ 12" O.C.

EACH WAY

GROOVES ARE TO BE CONSTRUCTED

ON A SLIGHT DIAGONAL TO

PERPENDICULAR TO ALLOW

WATER RUNOFF.

6" HIGH

CONCRETE

CURB

3"

C L

E A

R

T

Y P

#4’S @ 8" O.C.

VERTICALLY

(TYP.)

#4’S @ 12" O.C.

(TYP.)

160’

P-7

P-7

P-7

P-7

P-7

P-7

P-7

P

P-7

P-7

P-7

NCDOT FILTER

FABRIC TYPE 2

NCDOT FILTER

FABRIC TYPE 2

#4’S @ 12" O.C.

(TYP.)

#4’S @ 8" O.C.

VERTICALLY

(TYP.)

2’

SEE BOAT RAMP TYPICAL

SECTION 2/P-7 FOR RIPRAP

TOE SLOPE REQUIREMENTS

COMPACTED 6" BASE COURSE

(NO. 5 OR NO. 57 STONE)

COMPACTED 6" BASE COURSE

(NO. 5 OR NO. 57 STONE)

COMPACTED 6" BASE COURSE

(NO. 5 OR NO. 57 STONE)

NCDOT CLASS B

RIPRAP

NCDOT CLASS B

RIPRAP

NCDOT CLASS B RIPRAP

WATER LEVEL

NCDOT CLASS B

RIPRAP

NCDOT

CLASS B

RIPRAP

SCALE: N.T.S.

P-7

3" 3"6" HIGH CONCRETE

CURB (NCDOT CLASS AA

CONCRETE)

2"

10’

COMPACTED

SUBGRADE

NCDOT FILTER

FABRIC TYPE 2 TURN DOWN FILTER

FABRIC INTO SUBGRADE

(ALL SIDES)

TOP OF RIPRAP

TO BE AT OR BELOW

TOP OF CURB

EXISTING

FINISHED

GRADE

DETAIL NOTES:

1. 6" HIGH CONCRETE CURB TO BE REINFORCED USING #4 REBAR LOCATED 24" O.C.

2. CONCRETE FOR SLAB AND CURB TO PLACED AT SAME TIME TO FORM A MONOLITHIC STRUCTURE.

NCDOT

CLASS B

RIPRAP

NCDOT CLASS B RIPRAP

2H:1V

SLOPE

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PLATE

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ExistBoatRamp.dgn 12/8/2009 7:54:57 AM

SCALE: N.T.S.

P-18

PCC CURB & ANCHOR DETAIL

SCALE: N.T.S.

P-18

REINFORCEMENT DETAIL

SCALE: N.T.S.

P-18

SCALE: N.T.S.

P-18

SECTION A-A

CONNECTING BAR

SCALE: N.T.S.

P-18

SECTION B-B

SCALE: N.T.S.

P-18

EXISTING BOAT RAMP DETAIL

SHEET OF

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IN

G

R-1

E x i s t

B o a t

R a m p d g n

FOR REFERENCE ONLY

SEE PLATE P-2 FOR APPROX.

LENGTH OF EXIST. CONC.

BOAT RAMP

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