Amend 0010 Revised C-501.pdf

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Environmental Remediation Services, Stratford Army Engine Plant, Stratford, CT
Solicitation number
W912WJ21B0017
Issued by

About this file

This solicitation package includes construction drawings and specifications for environmental remediation services. The U.S. Army Corps of Engineers, New England District is seeking bids for dredging and disposal of contaminated sediments from the outfall drainage channel OF-008 at the Stratford Army Engine Plant in Stratford, Connecticut. Approximately 13,000 cubic yards of material must be removed from the channel via mechanical dredging. Dredged sediments affected by metals and PCBs must be dewatered, solidified with cementitious materials, and placed on-site for future beneficial reuse. A portion of the dredged material requiring off-site disposal at approved hazardous and TSCA waste landfills must be segregated during dredging. The channel must then be backfilled with clean sand. The period of performance is 375 calendar days. This is a small business set-aside solicitation with a NAICS code of 562910. Bids are due in accordance with the instructions provided in the solicitation, which is available through the System for Award Management website.

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P -0 of Engineers

US Army Corps

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...\Outfall 008 Remediation\30000 - Planning & Engineering & Design\30DA0 - Plans & Specs\CAD_BIM\_Sheets\Details (If Needed)

8:41:28 AM 8/18/2021 PD: AEC_pdf.pltcfg DS: AEC_Screen.dscript

A N

S I

D

C-501

SEWN IN SPOUT

HOSE

DISCHARGE

PUMP

FROM PUMP

WATER FLOW

STRAW BALE (TYP)

ALL AROUND BAG

STITCHED "J" TYPE SEAMS

HIGH STRENGTH DOUBLE

STRAW BALES

BED OF

LENGTH (SEE FILTER BAG NOTE 2)

(S E

E F

IL

T E

R B

A G N

O T

E

W

ID

T H

STAKE (SEE NOTE 2)

2" x 2" WOODEN

" SEE NOTE 1

PROTECTED AREA WORK AREA

3"

PLAN VIEW

A A

9"10'-0" (SEE NOTE 2)

A

A

FILTER SOCK

8" DIA COMPOST

SECTION A-A

JOINT DETAIL

E1

SEDIMENT CONTROL BARRIER

SCALE: NONE

AT ALL JOINTS

MIN 18" OVERLAP

FLOW

F L

O W

F L

O W

FILTER SOCK

8" DIA COMPOST

OF 4 AT EACH JOINT)

2" X 2" WOOD STAKE (TYP

(SEE NOTE 2)

2" x 2" WOOD STAKE

A1

SCALE: NONE

FILTER SOCK

8" DIA COMPOST

THIS SHEET)

SOCK (SEE DETAIL E1,

8" DIA COMPOST FILTER

3'-0" (TYP ALL AROUND)

PLAN VIEW

2H:1V MAX

2H :1V M

AX

STOCKPILE PROTECTION BARRIER

STOCKPILE

TEMPORARY

STOCKPILE

TEMPORARY

SIDE

PROTECTED

FLOW FLOW

ANCHOR SLOT

SPLICE SEAM

EDGE ANCHOR

LONGITUDINAL SEAM

6" M

IN

12" MIN

M

IN

SLOPE PROTECTION

FLOW

SEAM (TYP)

SPLICE

SEAM (TYP)

LONGITUDINAL

(TYP)

EDGE ANCHOR

SLOT

ANCHOR

(SEE NOTE 4)

TERMINAL END

BEYOND TOE OF SLOPE

EXTEND ECB AT LEAST 5'

TOP OF SLOPE

LEAST 5' OVER

EXTEND ECB AT

ELEVATION

SEE NOTE 3

JOINT AS NEEDED (TYP);

SECTION A-A

D4

SCALE: NONE

WATER FILTRATION BAG

FOR HOLDING HOSE IN PLACE

HIGH STRENGTH STRAPPING

F4

SCALE: NONE

WATER FILTRATION BAG

WATER FILTRATION BAG

100' MIN

8" MIN THICKNESS

W

ID

T H

(S E

E N

O T

E

OR PAVEMENT)

SURFACE (GRAVEL

EXISTING ROAD

BETWEEN 3" AND 6"

CLEAN STONE WITH GRADATION

SURFACE (GRAVEL)

EXISTING ROAD

STABILIZED CONSTRUCTION ENTRANCE/EXIT

AROUND BAG

2' MIN ALL

PUMP

UP TO 4" DISCHARGE HOSE

OPENING TO ACCOMODATE

PUMP INTAKE HOSE

A4

EROSION CONTROL BLANKET INSTALLATION

SCALE: NONE

BLANKET

EROSION CONTROL

SUBBASE (SEE NOTE 3)

PREPARED SUBGRADE AND

(TYP); SEE NOTE 5

STAKE/STAPLE

(TYP); SEE NOTE 5

STAKE/STAPLE

M

IN

(SEE NOTE 5)

STAKE/STAPLE

6" MIN

(TYP); SEE NOTE 5

STAKE/STAPLE

SEED

TOPSOIL/

SEED

TOPSOIL/

NOTES 6 AND 7)

OF VEGETATION; SEE

UNTIL ESTABLISHMENT

STRAW MULCH (APPLY

6.

BE BIODEGRADABLE.

SOIL CONDITIONS AND MANUFACTURER'S RECOMMENDATIONS. STAKES/STAPLES SHALL

MANUFACTURER'S RECOMMENDATIONS. STAKE/STAPLE LENGTHS SHALL BE BASED ON

5. STAKE/STAPLE PATTERNS SHALL BE DEPENDENT ON SLOPE AND SOIL CONDITIONS AND

WITH MANUFACTURER'S SPECIFICATIONS AND REQUIREMENTS.

4. TERMINAL ENDS SHALL BE ANCHORED IN SOIL USING STAKES/STAPLES IN ACCORDANCE

PLACEMENT OF ECB.

TOPSOIL SEED, AND LIME AND FERTILIZERS (IF USED) SHALL BE IN PLACE PRIOR TO

3. PREPARE SUBGRADE TO PROPER GRADES AND COMPACTION. SUBBASE CONSISTING OF

AS SPECIFIED BY THE MANUFACTURE.

2. THE NUMBER AND PATTERN OF STAKES/STAPLES AT EACH ANCHOR JOINT/SEAM SHALL BE

ACCORDANCE WITH MANUFACTURER'S SPECIFICATIONS AND REQUIREMENTS.

1. EROSION CONTROL BLANKETS (ECB) AND STAKES/STAPLES SHALL BE INSTALLED IN

NOTES:

INTO THE SLOPE WITH PUNCHES 12 INCHES APART.

STRAW STANDING PERPENDICULARLY TO THE SLOPE AND EMBEDDED AT LEAST 4 INCHES

7. USE A SPADE OR SHOVEL TO PUNCH STRAW INTO THE SLOPE UNTIL ALL AREAS HAVE

SQUARE FEET). STRAW SHALL BE CLEAN RICE, BARLEY, OR WHEAT STRAW.

THE APPLICATION RATE PER ACRE SHALL BE 2 TONS (OR ONE 74 POUND BALE PER 800

APPLY STRAW MULCH BY HAND BROADCASTING TO A UNIFORM DEPTH OF 2 TO 3 INCHES.

3. STABILIZED CONSTRUCTION ENTRANCE/EXITS WILL BE CONSTRUCTED ON ASPHALT.

2. WIDTH SHALL BE FULL WIDTH OF EXISTING ROAD OR 12 FEET MINIMUM, WHICHEVER IS GREATER.

1. TWO STABILIZED CONSTRUCTION EXTRANCE/EXITS SHALL BE REQUIRED. SEE G-102.

STABILIZED CONSTRUCTION ENTRANCE/EXIT NOTES:

WATER FLOW RATE = 60 GPM/FT.

OPENING SIZE (AOS) = 40 US STD. SIEVE; PERMITTIVITY = 0.05 SEC-1; AND

2. REQUIRED PROPERTIES: PUNCTURE = 120 LBS; UV RESISTANCE = 80%; APPARENT

INSECTS.

LIGHT. FABRIC SHALL ALSO BE RESISTANT TO SOIL CHEMICALS, MILDEW, AND

MONOFILAMENT FABRIC STABILIZED TO RESIST DEGRADATION DUE TO ULTRAVIOLET

1. GEOTEXTILE SHALL BE A BLACK NON-BIODEGRADABLE POLYPROPYLENE WOVEN

NOTES:

D7

SCALE: NONE

SILT TRAP SACK (INLET PROTECTION) DETAIL

OVERFLOW BYPASS (TYP)

SILT TRAP SACK

GRATE FRAME

DRAINAGE GRATE

TRIM AS NEEDED

5" MAX

AND DEBRIS

SEDIMENT

OVERFLOW BYPASS

SILT TRAP SACK

BASIN STRUCTURE

EXISTING CATCH

WATER

FILTERED

RETRIEVAL SYSTEM (TYP)DRAINAGE GRATE

:1

ARE TOO LIGHT.

GAPS HAVE FORMED. WATTLES CANNOT BE USED AS THEY

NO STAKES ARE REQUIRED. INSPECT DAILY TO ENSURE NO

4. FOR USE ON IMPERVIOUS SURFACES (ASPHALT/CONCRETE)

REQUIREMENTS.

CONTROL (EPSC) NOTES" ON C-100 FOR ADDITIONAL

3. REFER TO "EROSION PREVENTION AND SEDIMENTATION

FILTER SOCK.

FEET ALONG ENTIRE LINEAR LENGTH OF COMPOST

2. WOOD STAKES SHALL BE SPACED EVERY 10

ENTIRE LENGTH.

FULL CONTACT WITH THE GROUND ALONG ITS

1. BOTTOM OF COMPOST FILTER SOCK SHALL BE IN

NOTES:

C7

SCALE: NONE

12" MIN THICKNESS

TEMPORARY ACCESS ROAD DETAIL

2. TEMPORARY ACCESS ROADS MAY BE COMPRISED OF CRUSHED STONE, CRUSHED CONCRETE, OR CLEAN GRAVEL

1. TEMPORARY ACCESS ROAD WIDTHS VARY, REFER TO SHEET G-102

TEMPORARY ACCESS ROAD NOTES:

B .S

P R

A G

U E

B .S

P R

A G

U E

C

IV

IL

A

N D E

R O

S

IO

N C

O N

T R

O L D

E T

A

IL

S L T

H

IB

O D

E A

U

(SEE SPECIFICATION SECTION 01 50 00 2.2)

GEOMEMBRANE

(SEE SPECIFICATION SECTION 01 50 00 2.2)

GEOMEMBRANE

/1

/2

L T

H

IB

O D

E A

U

4. REFER TO "SOIL EROSION AND SEDIMENTATION CONTROL NOTES" ON G-002 FOR ADDITIONAL REQUIREMENTS.

THIS SHEET.

THE LENGTHS OF COMPOST FILTER SOCK USED. JOINTS SHALL COMPLY WITH THE "JOINT DETAIL" SHOWN ON DETAIL E1,

3. THE NUMBER OF JOINTS SHOWN ARE SCHEMATIC IN NATURE ONLY. THE REQUIRED NUMBER OF JOINTS SHALL DEPEND ON

SHALL BE LOCATED AT LEAST 50 FEET AWAY FROM ALL DRAINAGE INLETS.

2. STOCKPILE SHALL NOT BE LOCATED IN AREAS OF CONCENTRATED RUNOFF FLOWS OR DRAINAGE WAYS. STOCKPILES

NEEDED TO KEEP IT FUNCTIONING PROPERLY.

RUNOFF FROM LEAVING THE STOCKPILE AREA. REPAIR AND REPLACE PERIMETER STOCKPILE PROTECTION BARRIER AS

1. PERIMETER STOCKPILE PROTECTION BARRIER SHALL BE USED AROUND ALL STOCKPILES TO PREVENT SEDIMENT-LADEN

STOCKPILE PROTECTION BARRIER NOTES:

1. REFER TO " SOIL EROSION AND SEDIMENTATION CONTROL NOTES" ON G-002 FOR REQUIREMENTS.

FILTER BAG NOTES:

A

U G

R E

V

IS

E D N

O T

E S T

O R

E F

E R

E N

C E C

O R

R E

C T S

H E

E T N

U M

B E

R

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