About this file

This document provides details on a federal contract solicitation for emergency relief well instrumentation installation and automation work at Arkabutla Lake Dam in DeSoto County, Mississippi. The solicitation seeks bids to furnish all labor, materials, plant and equipment required to complete emergency repairs at the dam, including concrete removal, excavation and backfill, installation of relief wells, piezometers and concrete structures, erosion control measures, and environmental protection work. The estimated value of the work is between $1,000,000 and $5,000,000. Responses are due in accordance with the terms and schedule set forth in solicitation number W912EE24B0001 issued by the United States Army Corps of Engineers Vicksburg District. This opportunity is considered a definitive responsibility criteria solicitation, requiring compliance with responsibility standards as a precondition to award.

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102+00

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112+13.41

PO

E:

+1

3.

ARK-2-23T (SOUTH)

N= 1912863.97 E= 2358847.02

ARK-2-23T (NORTH)

N= 1912871.58 E= 2358921.68

BORING LOCATION

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SHEET ID

US Army Corps of Engineers

U .S

. A R

M Y

C O

R

PS

O F

EN

G

IN

EE

R S

LEGENDLEGEND

C1 BORING LOCATION

SCALE: 1"=25' 25' 50'0

N

1. BORINGS WERE ACCOMPLISHED BY ROTARY DRILLING METHOD WITH MUD,

UNDISTURBED SAMPLES WERE TAKEN WITH 3 INCH SHELBY TUBE.

LABORATORY TESTS WERE PERFORMED ON SELECTED SAMPLES.

2. ADDITIONAL BORINGS FOUND ON RB-101-112.

NOTES

1 1 R

EV

IS

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IN

A C

C O

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AN

C

E W

IT

H

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N

2''W 2''W 2''W

2''W

2''W

2'' W

2'' W

2''W

2''W

2''W

2''W

2''W

2''W

2''W

2''W 2''W 2''W 2''W 2''W 2''W 2''W 2''W 2''W 2''W 2''W 2''W 2''W 2''W 2''W 2''W 2''W

O H

P

8+

9+

0+

1+

2+

3+

4+

5+

6+

7+

8+

9+

0+

1+

2+

3+

4+

ARKABUTLA DAM ROAD

PP

PP

T T

TTT

T

T

T

T T

T

HIGHWAY 301

ARKABUTLA LAKE

HIGHWAY 301

NEW - NO-1 WELL

NEW - NO-2 WELL

NEW - SO-1 WELL

P-7-24

P-8-24

P-9-24

P-12-24

P-13-24

P-14-24

P-11-24

P-10-24

P-15U-24

P-16U-24

P-17-24

NEW - DOUBLE SWING BARRIER GATE

SEE SHEET C-503 FOR MORE DETAILS NEW - DOUBLE SWING BARRIER GATE

SEE SHEET C-503 FOR MORE DETAILS

NEW - NO-3 WELL

NEW - SO-3 WELL

DOWNSTREAM

UPSTREAM

NEW - SO-2 WELL

UNDERGROUND ELECTRIC

POWER POLE

RELIEF WELL

IRON ROD

2''W 2" WATER LINE

FIBER OPTIC LINE

PIEZOMETERT

PP

OHP OVERHEAD POWER

C-102

FI

N

AL

S

IT

E

PL

AN

F.

S

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BY

FD

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SHEET ID

US Army Corps of Engineers

U .S

. A R

M Y

C O

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IN

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R S

1. PIEZOMETERS P-8-24 AND P-13-24 ARE TO BE INSTALLED BEHIND THE EXISTING

GUARDRAIL.

2. FOR P-10-24 AND P-11-24 SEE CT-601 NOTE 4 FOR MORE DETAILS.

3. FOR P-17-24 SEE CT-601 NOTE 6 FOR MORE DETAILS.

4. FOR P-15U-24 AND P-16U-24 SEE CT-601 NOTE 5 FOR MORE DETAILS.

5. SEE CT-601 FOR TABULATION DETAILS.

NOTES

LEGEND

A1 FINAL SITE PLAN

SCALE: 1"=80' 80' 160'0P:

AC

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_P ro je ct s\ Ar ka bu tla D am E m er ge nc y R ep ai rs \0

5_ Sh ee ts a nd

M od el s\

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3:

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N

END SILL

BAFFLE BLOCKS (TYP.)

EXISTING LATERAL (TYP.)

37.51' 7.00'

5.00'

P-15U-24

P-16U-24

5.00'

37.51' 8.75'

NO-1

NO-2

NO-3

SO-1

SO-2

SO-3

.0

0' (T

YP

S OUTLETN OUTLET

T

T

T PIEZOMETER

OUTLET

RELIEF WELL

C-103

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US Army Corps of Engineers

U .S

. A R

M Y

C O

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PS

O F

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IN

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R S

NOTES

LEGEND

A1 PLAN; GRAVITY RELIEF WELL AND PIEZOMETER LAYOUT

SCALE: 1"=10' 10 200

P:

AC

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-1

.G ra vi ty

R el ie f W el l a nd P ie zo m et er L ay ou t.d w g 2:

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N

1. THE LOCATION AND SPACING OF EXISTING UTILITIES ARE APPROXIMATE.

CONTRACTOR SHALL VERIFY THE LOCATIONS OF THE UTILITIES PRIOR TO

CONSTRUCTION.

2. SEE CT-601 FOR TABULATION DETAILS.

3. HORIZONTAL CONTROL IS BASED ON MISSISSIPPI STATE LANE COORDINATES,

WEST ZONE, USING NAVD 83 DATUM.

VERTICAL CONTROL IS BASED ON NAVD 88 DATUM.

4. CONTRACTOR IS RESPONSIBLE FOR VERIFYING EXISTING SITE CONDITIONS PRIOR

TO CONSTRUCTION IN ORDER TO ENSURE THE SAFETY OF ALL PARTIES, THE

CONTRACTOR SHALL CONTACT THE LAKE FIELD OFFICE DUE TO ALL UTILITIES BEING

LAKE OPERATED AND THE MISSISSIPPI ONE CALL SYSTEM (1-800-277-6477) A

MINIMUM OF 48 HOURS PRIOR TO THE COMMENCEMENT OF ANY EXCAVATION

(DIGGING, TRENCHING, ETC.) OR DEMOLITION ACTIVITY.

R

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2.00'

SEE NOTE 9

ON CT-601 FOR

MORE DETAILS

BENTONITE

FILTER PACK

1.25" DIA. SCH. 80 PVC PIPE

GROUT

10" DIA. PROTECTIVE CAP

APPROX 3' ABOVE GROUND

SURFACE ELEVATIONLOCKABLE,

REMOVABLE

CAPS

10" DIA. STEEL PROTECTIVE

CASING

(2'X2'X4")

CONCRETE PAD

VIBRATING WIRE INSTRUMENT

(REQ'D)

2.00'

3.00'

GROUT

10" DIA. PROTECTIVE CAP

APPROX 3' ABOVE GROUND

SURFACE ELEVATIONLOCKABLE,

REMOVABLE

CAPS

10" DIA. STEEL PROTECTIVE

CASING

(2'X2'X4")

CONCRETE PAD

VIBRATING WIRE INSTRUMENT

(REQ'D)

2.00'

3.00'

2.00'

FILTER PACK

10"

SCH 80 PVC SLOTTED

SCREEN WITH CLOSED END

CAP (TYP.)

INSTRUMENT

(TYP.)

SCH 80 PVC THREADED

CONNECTION BETWEEN PVC

AND SCREEN (TYP.)

2.00'

2.00'

FILTER PACK

10"

2.00'

SEE NOTE 9

ON CT-601 FOR

MORE DETAILS

FILTER PACK

2.00'

SEE NOTE 9

ON CT-601 FOR

MORE DETAILS

BENTONITE

FILTER PACK

1.25" DIA.

SCH. 80

PVC PIPE

C-501

N

EW

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ET

ER

T

YP

IC

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AI

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D

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O

TO

C O

U N

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IS

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IP

PI

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20

A

B

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SHEET ID

US Army Corps of Engineers

U .S

. A R

M Y

C O

R

PS

O F

EN

G

IN

EE

R S

P:

AC

M

E\ _P ro je ct s\

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-5

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D et ai ls

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VARYING

DEPTH

VARYING

DEPTH

A5 DOUBLE PIEZOMETER DETAIL

SCALE: N.T.S. A11 TRIPLE PIEZOMETER DETAIL

SCALE: N.T.S.

L16 TRIPLE PIEZOMETER DETAIL CONTINUED

SCALE: N.T.S.

BENTONITE

VARYING

DEPTH

VARYING

DEPTH

BENTONITE

NOTES:

1. FOR PIEZOMETERS P-15U-24 AND P-16U-24, SEE SHEETS S-301,

S-302 AND S-501 FOR MORE DETAILS.

2. REFER TO CT-601 FOR TABULATION DETAILS.

MATCH LINE L16

MATCH LINE A11

VARYING

DEPTH

VARYING

DEPTH

BENTONITE BENTONITE

R

EV

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ED

IN

A C

C O

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CT-601

TA

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IS

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IP

PI

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20

A

B

C

D

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F

G

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K

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M

N

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SU

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D B

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B

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SHEET ID

US Army Corps of Engineers

U .S

. A R

M Y

C O

R

PS

O F

EN

G

IN

EE

R S

P:

AC

M

E\ _P ro je ct s\

Ar ka bu tla

D am

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-1

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P la n.

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:3

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/2

BORING ID

APPROX. COORDINATES STATIONING

TYPE DIA., IN. CASE QTY PIEZOMETER SCREEN ELEVATIONS, FT. MIN. HOLE

DIA., IN.

TOP OF RISER

EL, FT.

BOTTOM OF

HOLE, FT.NORTHING EASTING DAM CONDUIT

P-7-24 1912821.3 2359299.6 182+85 101+53 VWP 1.25 PVC 3 200 183 168.5 10 252 166.5

P-8-24 1912856.9 2359228.1 182+85 102+21 VWP 1.25 PVC 2 183 168.5 --- 10 267 166.5

P-9-24 1912914 2359114.6 182+85 103+61 VWP 1.25 PVC 2 184 168.5 --- 10 221 166.5

P-12-24 1912600.5 2359187.4 185+35 101+53 VWP 1.25 PVC 3 200 175 168.5 10 252 166.5

P-13-24 1912638.1 2359112.3 185+35 102+21 VWP 1.25 PVC 3 183 175 168.5 10 267 166.5

P-14-24 1912692.6 2359003.6 185+35 103+61 VWP 1.25 PVC 2 184 168.5 --- 10 221 166.5

P-11-24 1912687.2 2359225.9 ~184+37 ~101+61 VWP 1.25 PVC 3 183 175 168.5 10 267 166.5

P-10-24 1912735.9 2359250.2 ~183+83 ~101+61 VWP 1.25 PVC 2 183 168.5 --- 10 267 166.5

P-15U-24 1912848.1 2358966.9 184+10 104+63.5 VWP 1.25 STEEL 1 165 --- --- 4 205 163*

P-16U-24 1912871 2358922 184+10 105+13.5 VWP 1.25 STEEL 1 159 --- --- 4 205 157*

P-17-24 1911678.2 2358520.4 196+50 103+03 VWP 1.25 PVC 2 165 130 --- 10 255 128

TABLE 3: NEW AUTOMATED PIEZOMETERS

INSTRUMENT

ID

COORDINATES STATIONING

TYPE DIA., IN. QTY VWP TIP

ELEVATIONS, FT.

MIN. HOLE

DIA., IN.

TOP OF RISER

EL, FT.OFFSET CONDUIT

7U-84 C/L 105+60 VWP 1 161.8 Existing 202.6

8A-04 28 R 101+79 VWP 1 156.9 Existing 268.3

3-82 97 L 105+75 VWP 1 153.3 Existing 203.3

1-93 51 L 105+05 VWP 1 149.9 Existing 203.2

SF-93 43 L 104+84 VWP 1 130.6 Existing 200.2

US2-09 20 L 105+54 VWP 1 159.8 Existing 202.9

NOWP 38 R 104+95 VWP 1 132 Existing 200

4-00 96 R 105+75 VWP 1 150 Existing 199.6

11-00 61 L 105+08 VWP 1 153.1 Existing 203.2

TABLE 1: TABULATION FOR EXISTING PIEZOMETERS

TABLE 1 AND 2 GENERAL NOTES:

1. CONTRACTOR SHALL PROVIDE VIBRATORY WIRE AND AUTOMATION FOR PIEZOMETERS LISTED IN TABLES 1 AND 2.

2. STATIONING FOR TABLE 1 AND 2 ARE IN REFERENCE TO CONDUIT. THE "R" AND "L" NEXT TO THE OFFSET REFERS TO RIGHT AND LEFT WHILE LOOKING UPSTREAM, RESPECTIVELY.

3. ALL VERTICAL DATUM SHOWN ARE BASED OFF OF NAVD29.

ARKABUTLA NEW RELIEF WELL LOCATIONS

RELIEF WELL #

NO-1 WELL

Typical Detail

C-501, A11

C-501, A11

C-501, A11

C-501, A11

C-501, A5

C-501, A5

C-501, A5

C-501, A5

C-501, A5

C-501, A5

Existing

Existing

Existing

Existing

Existing

Existing

Existing

Existing

Existing

Instrument ID TYPE DIA., IN. QTY VWP TIP

ELEVATIONS, FT.

MIN. HOLE

DIA., IN.

TOP OF RISER

EL, FT.

P-1-19A 101+6123.5 R VWP Existing 1 182.3 Existing 269.2 P-1-19B 101+6123.5 R VWP Existing 1 169.8 Existing 268.4 P-2-19A 101+6123.5 L VWP Existing 1 184.7 Existing 268.7 P-2-19B 101+6123.5 L VWP Existing 1 168.7 Existing 268.4 P-3-19A 102+6123.5 L VWP Existing 1 184.1 Existing 263.5 P-3-19B 102+6223.5 L VWP Existing 1 175.1 Existing 263.4 P-4-19A 102+6323.5 R VWP Existing 1 184.6 Existing 263.5 P-4-19B 102+6423.5 R VWP Existing 1 173.6 Existing 263.6 P-5-19A 103+6123.5 L VWP Existing 1 184.6 Existing 222.1 P-5-19B 103+6223.5 L VWP Existing 1 171.9 Existing 222.1 P-6-19A 103+6323.5 R VWP Existing 1 183.8 Existing 222.4 P-6-19B 103+6423.5 R VWP Existing 1 171.8 Existing 222.4

TABLE 2: TABULATION FOR EXISTING PIEZOMETERS

NO-2 WELL

NO-3 WELL

SO-1 WELL

SO-2 WELL

SO-3 WELL

1912818.5

1912804.9

1912982.6

1912889.0

1912762.4

1912810.5

1912903.7

1912761.5

1912716.4

1912818.1

1912781.3

1912817.1

1912870.8

2358895.9

2358819.0

2358892.3

2358866.9

2359216.5

2358889.3

2358923.1

2359155.2

2359131.3

2359058.7

2359031.1

2358916.6

2358859.4

COORDINATES

NORTHING EASTING

NORTHING EASTING

1912739.1 2359213.0

1912739.1 2359213.0

1912688.5 2359190.2

1912688.5 2359190.2

1912761.5 2359155.2

1912716.4 2359131.3

1912781.3 2359031.1

1912818.1 2359058.7

COORDINATES

NORTHING EASTING

1912905.8 2358927.3

1912926.3 2358905.1

1912948.1 2358884.2

1912839.4 2358892.4

1912846.1 2358862.9

1912851.0 2358833.1

ARKABUTLA EXISTING RELIEF WELL LOCATIONS

RELIEF WELL #

COORDINATES

NORTHING EASTING

TABLE 3 GENERAL NOTES:

1. COORDINATES ARE APPROXIMATE LOCATIONS. CONTRACTOR SHALL USE CONTROL POINT AND STATIONING FROM DAM AND CONDUIT.

2. ELEVATIONS FOR BOTTOM OF HOLE ON TABLE 3 ARE APPROXIMATE. BOTTOM OF THE HOLE IS THE MINIMUM REQUIREMENT FOR DRILL DEPTH. ALL VERTICAL DATUM ARE BASED OFF NAVD29.

3. ALL DRILLING SHALL ADHERE TO THE SPECIFICATIONS.

4. ANY DRILLING THROUGH AN EMBANKMENT SHALL BE HOLLOW-STEM AUGER (HSA) AND THEN TRANSITION TO MUD ROTARY ONCE MADE IT THROUGH THE EMBANKMENT – FOUNDATION INTERFACE. THE CONTRACTOR MAY USE HSA WHILE DRILLING THROUGH THE BACKFILL MATERIALS AND LEFT IT CASED TO AVOID ANY POTENTIAL FOR CONTAMINATION AND/OR CLOGGING UP OF THE BACKFILL PERVIOUS MATERIALS WITH DRILLING MUD.

5. P-17-24 CAN BE MOVED LATERALLY AT DRILLER'S DISCRETION TO FACILITATE INSTALLING AND TO AVOID TREES, DITCHES, ETC. FINAL LOCATIONS ARE TO BE APPROVED BY COR.

6. PIEZOMETER SCREEN ELEVATIONS REFERS TO THE CENTER OF THE PIEZOMETER SCREEN.

7. SLOTTED SCREEN SHALL BE 2 FT IN LENGTH FOR ALL VWP. SLOTTED SCREEN LENGTH FOR VWP SHALL BE 1 FT FOR VWP AT EL 175 FT, EL 183 FT, EL 184 FT, AND EL 200 FT.

8. PIEZOMETERS P-10-24 AND P-11-24 CAN BE MOVED LATERALLY AT THE DRILLER'S DISCRETION TO FACILITATE INSTALLING ON THE EXISTING DRILL PADS AND TO AVOID EXISTING PIEZOMETERS, SO LONG AS THE INSTALLATION IS AT LEAST 10 FT AWAY FROM THE EDGE OF THE 5-FT PERVIOUS BLANKET LOCATED UNDER THE EMBANKMENT AND AT LEAST 10 FT AWAY FROM THE OUTSIDE EDGE OF THE CONDUIT AND ITS SEEPAGE COLLARS. FINAL LOCATIONS ARE

TO BE APPROVED BY COR.

9. P-10-23 AND P-11-24 SHALL BE DRILLED ON THE CROWN OF THE EXISTING DRILLING PAD. THE EXISTING DRILLING PAD CROWN IS AT THE SAME CROWN ELEVATION OF THE DAM, EL 265 FT.

10. CONTRACTOR SHALL PERMANENTLY AND LEGIBLY LABEL ALL PIEZOMETER RISERS BELOW THEIR RESPECTIVE CAPS, DENOTING HIGHER ELEVATION PIEZOMETERS STARTING WITH A AND CONTINUING DOWN WITH ELEVATION. FOR EXAMPLE, P-13-24 WILL HAVE 3 PIEZOMETERS WITHIN THE BOREHOLE, WITH P-13-24A TIPPED AT EL 183 FT, P-13-24B TIPPED AT EL 175 FT, AND P-13-24C TIPPED AT EL 168.5 FT.

11. ELEVATIONS FOR TOP OF RISER ARE APPROXIMATE. 2 FT RISER LENGTH ABOVE GROUND SURFACE REQUIRED EXCEPT AT PIEZOMETERS P-15U-23 AND P-16U-24. TOP OF RISER ELEVATION FOR PIEZOMETERS P-15U-24 AND P-16U-24 SHALL BE 1 FT ABOVE EXISTING HAND RAIL ELEVATION FOR EASE OF ACCESS. FIELD VERIFY ELEVATIONS.

12. MID-TIP ELEVATION OF SCREEN FOR P-15U-23 AND P-16U-23 MAY NEED TO BE DEEPER THAN EXPECTED BASED ON UNKNOWN DEPTH OF PREVIOUS GROUT REPAIRS. CONTRACTOR SHALL PROVIDE FOR VARIANCE OF UP TO AN ADDITIONAL 20FT OF RISER PIPE AS NECESSARY TO CLEAR PREVIOUS GROUT REPAIRS. SEE S-301 AND S-302 FOR ADDITIONAL DETAILS.

13. INSTRUMENTS AT EL 175FT, EL 183FT, EL 184FT, AND EL 200FT SHALL HAVE 2FT OF FILTER PACK TOTAL. INSTRUMENTS AT EL 168.5FT, EL 165FT, EL 159FT, AND EL 130FT SHALL HAVE 4FT OF FILTER PACK TOTAL. REFER TO S-501, DETAIL A13 FOR FILTER PACK LENGTH DETAIL FOR P-15U-24 AND P-16U-24.

14. ALL VERTICAL DATUM SHOWN IN THESE TABLES ARE BASED OFF OF NAVD29.

STATIONING

OFFSET CONDUIT

S OUTLET

N OUTLET

SBW

MBW

SDW

NDW

1912831.1

1912901.8

1912757.1

1912792.4

1912695.5

1912748.4

2358906.7

2358944.2

2359088.2

2359106.9

2359186.8

2359215.0

LINE / CURVE DATA: CONDUIT STATIONING ALIGNMENT

LINE / CURVE

NUMBER

L1

START / PC

STATION

97+00.00

START / PC

NORTHING

EASTING

1,912,495.01 2,359,622.74

LINE / CURVE

LENGTH

1,513.41'

LINE / CHORD

DIRECTION

298° 02' 50.2"

END / PT

STATION

112+13.41

END / PT

NORTHING

EASTING

1,913,206.61 2,358,287.06

CURVE

RADIUS PI STATION TANGENT

LENGTH DELTA

LENGTH (FT)

RISER SCREEN

TYPE

STAINLESS

PVC

PVC

STAINLESS

PVC

STAINLESS

SIZE (IN)

C-501, A5

LENGTH (FT)

RISER SCREEN

TYPE

STAINLESS

STAINLESS

STAINLESS

SIZE (IN)

STAINLESS

STAINLESS

STAINLESS

R

EV

IS

ED

IN

A C

C O

R D

AN

C

E W

IT

H

A M

D T

JA

N

Sheets and Views
B-101 BORING LOCATION
Sheet 1
A003_ARKABUTLA DAM EMERGENCY REPAIRS_CT-601 TABULATION SHEET.pdf
Sheets and Views
CT-601 TABULATION SHEET
Sheet 1
A003_ARKABUTLA DAM EMERGENCY REPAIRS_C-501 NEW PIEZOMETER TYPICAL DETAILS.pdf
Sheets and Views
C-501 NEW PIEZOMETER TYPICAL DETAILS
Sheet 1
A003_ARKABUTLA DAM EMERGENCY REPAIRS_C-103 GRAVITY RELIEF WELL AND PIEZOMETER LAYOUT.pdf
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C-101
Sheet 1
A003_ARKABUTLA DAM EMERGENCY REPAIRS_C-102 FINAL SITE PLAN.pdf
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C-102 FINAL SITE PLAN
Sheet 1
A003_ARKABUTLA DAM EMERGENCY REPAIRS_C-101 FINAL SITE PLAN.pdf
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C-102 FINAL SITE PLAN
Sheet 1
A003_ARKABUTLA DAM EMERGENCY REPAIRS_C-102 FINAL SITE PLAN.pdf
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C-102 FINAL SITE PLAN
Sheet 1
A003_ARKABUTLA DAM EMERGENCY REPAIRS_C-101 FINAL SITE PLAN.pdf
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C-102 FINAL SITE PLAN
Sheet 1
A003_ARKABUTLA DAM EMERGENCY REPAIRS_C-103 GRAVITY RELIEF WELL AND PIEZOMETER LAYOUT.pdf
Sheets and Views
C-101
Sheet 1
A003_ARKABUTLA DAM EMERGENCY REPAIRS_C-103 GRAVITY RELIEF WELL AND PIEZOMETER LAYOUT.pdf
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C-101
Sheet 1

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