Am0002Dwgs.pdf

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EDGE OF THE AIRPORT AND THE HAULROAD DISTURBANCE SHALL BE LESS THAN 40 FEET WIDE.

A HAULROAD SHALL BE CONSTRUCTED ALONG THE NORTH SIDE OF THE AIRPORT FOR HAULAGE OF BORROW MATERIAL. THE SOUTH LIMIT OF THE HAULROAD SHALL BE THE MOWED 8.

LAND APPLICATION OF THE SLUDGE IS AVAILABLE FROM MR. DAVID BECK AT THE GARRISON PROJECT, PHONE NUMBER 701-654-7754.

APPLICATION OF SLUDGE, HANDLING AND LAND APPLICATION OF SLUDGE, AND PREPARING ALL OF THE PERMITTING PAPERWORK. A LIST OF LOCAL LANDOWNERS THAT MAY ALLOW THE

SEE SPECIFICATION SECTION 01 57 20.00 10 ‘ENVIRONMENTAL PROTECTION’ FOR FINDING A SUITABLE SITE FOR LAND 7.

REHABILITATION OF THE WEST LAGOON CELL PHASING STEPS SHALL FOLLOW THE SAME PROCEDURE AS DESCRIBED ABOVE (SEE NOTE 3).6.

THE CONTRACTOR, UNLESS SPECIFICALLY NOTED OTHERWISE.

THE WEST LAGOON CELL SHALL THEN BE DEWATERED BY PUMPING LIQUIDS TO THE EAST LAGOON CELL. ALL PUMPING AND DEWATERING EQUIPMENT SHALL BE PROVIDED BY 5.

WASTEWATER FLOWS SHALL BE REDIRECTED TO THE NEWLY REHABILITATED EAST LAGOON CELL.

AFTER ALL REHABILITATION WORK IN THE EAST LAGOON CELL IS COMPLETED; THE SYSTEM TESTED, APPROVED, AND ACCEPTED BY THE CONTRACTING OFFICER THE 4.

THE BERMS.

FINISH GRADE ELEV. 1706.5 AT THE BOTTOM OF THE LAGOON CELL, AND 1V:4H SIDE SLOPES ON THE LAGOON CELL BANKS, WITH LINER ANCHOR TRENCH AT THE TOP OF

AFTER ALL STRUCTURES, PIPING, AND EQUIPMENT ARE INSTALLED, THE NEW GEOMEMBRANE LINER (GOVERNMENT FURNISHED) SHALL BE INSTALLED TO THE G.

A 4" LAYER OF SAND SHALL BE PLACED AND COMPACTED TO FINISH GRADE ELEVATION 1706.50.F.

AN 8" LAYER OF CLAY SHALL BE PLACED AND COMPACTED TO GRADE ELEVATION 1706.17.E.

THE REMAINING SUBGRADE SHALL BE REGRADED AND COMPACTED TO RECEIVE A NEW LAYER OF CLAY (SEE SPECIFICATION SECTION 31 00 00 ‘EARTHWORK’).D.

THE LAYER OF SOIL UNDER THE EXISTING LINER SHALL BE REMOVED TO ELEV. 1705.5 AND SHALL BE PLACED IN THE SPOIL AREA AS SHOWN ON DRAWING G-101.C.

THE EXISTING PVC LINER SHALL BE REMOVED AND DISPOSED OF OUTSIDE OF GOVERNMENT PROPERTY.B.

THE SOIL SHALL BE PLACED IN THE SPOIL AREA AS SHOWN ON DRAWING G-101.

THE SLUDGE AND EXISTING LAYER OF SOIL ABOVE THE EXISTING LINER SHALL BE REMOVED. THE SLUDGE SHALL BE DISPOSED OF OUTSIDE OF GOVERNMENT PROPERTY. A.

REHABILITATION OF THE EAST LAGOON CELL PHASING STEPS:3.

DEWATERING EQUIPMENT SHALL BE PROVIDED BY THE CONTRACTOR, UNLESS SPECIFICALLY NOTED OTHERWISE.

PRIOR TO REHABILITATION OF THE EAST LAGOON CELL, THE EAST LAGOON CELL SHALL BE DEWATERED BY PUMPING LIQUIDS TO THE WEST LAGOON CELL. ALL PUMPING AND 2.

REHABILITATION IS COMPLETED, FUNCTIONAL, AND ACCEPTED BY THE CONTRACTING OFFICER TO RECEIVE WASTEWATER.

CURRENTLY, WASTEWATER IS DISCHARGING TO THE WEST LAGOON CELL. THE WEST LAGOON CELL SHALL REMAIN IN OPERATION UNTIL THE EAST LAGOON CELL 1.

PHASING NOTES:

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IDENTIFICATION

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US ARMY CORPS

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NO SCALE

NEW GEOMEMBRANE LINER

2' 0"2' 0"

4' 0"

L

WALK-BEHIND PLATE-TYPE COMPACTOR

COMPACTED CLAY LAYER THIS AREA WITH

C

NO SCALE

PLACED IN EACH LAGOON

10' x 10' SPLASH PAD

3'1'-6"

NO SCALE

TYPICAL LINER TRENCH DETAIL

COMPACTED SOIL

GEOMEMBRANE LINERCOMPACTED BACKFILL

2'-8"

12" 12"

M

IN

(SEE EARTHWORK SPEC 31 00 00)

NDDOT CLASS 5

SELECT GRANULAR MATERIAL,

(UNDER CELL BOTTOM)

AT CENTER OF CELL

4" DIA. FORCE MAIN

(CENTER OF CELL)

AT FORCE MAIN

TYPICAL SPLASH PAD

EARTH

UNDISTURBED

EARTH

UNDISTURBED

MIN. 45

MIN. 45

2" MIN.

MIN.

2"

MIN.

2"

2" MIN.

MIN. 45

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IN

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S b b b b b

MIN. 45

2" MIN.

H h

TYPICAL THRUST BLOCKING DETAIL

BEARING AREA OF BLOCK IN SQ. FT. (b X h)

POST INDICATOR VALVE

NO SCALE

SIZES

FITTING

TEE & END

1. PLACE 4 ML. POLYETHYLENE BETWEEN CONCRETE AND FITTING

(CONCRETE SHALL NOT INTERFERE WITH JOINT.)

2. MINIMUM CONCRETE THICKNESS SHALL BE 12 INCHES.

5. THRUST BLOCK ORIENTATION SHALL BE SUCH THAT THE CENTER

OF THE FITTING CORRESPONDS WITH THE CENTER OF THE THRUST

BLOCK.

6. THE MINIMUM ALLOWABLE ANGLE (EITHER VERTICAL OR HORIZONTAL)

SHALL BE 45 DEGREES.

OF THE FITTING ( DO < h <= H/2 ).

THRUST BLOCK BUT NOT LESS THAN THE OUTSIDE DIAMETER (DO)

TO ONE-HALF THE TOTAL DEPTH (H) TO THE BOTTOM OF THE

4. THE VERTICAL DIMENSION (h) OF THE BEARING AREA SHALL BE EQUAL

3. THE HORIZONTAL DIMENSION (b) OF THE BEARING AREA SHALL BE

( h <= b <= 2h )

BETWEEN 1.0 AND 2.0 TIMES THE VERTICAL DIMENSION (h).

NO SCALE

90 BEND 45 BEND BEND2

122 BEND4

A P

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GROUND LINE

1.81 2.56 1.39 0.71 0.364"

SECTION 1

1V ON 3H

1V ON 3H

NO SCALE

1 1

RIPRAP

RIPRAP PLAN

DISCHARGE PIPE

RIRRAP DETAILS

DISCHARGE PIPE

10'

1V ON 3H

1V ON 3H

EARTH

UNDISTURBED

THRUST BLOCKING NOTES:

(MIN. 2,000 PSI AT 28 DAYS)

POURED CONCRETE BLOCKS

(MIN. 2,000 PSI AT 28 DAYS)

POURED CONCRETE BLOCKS

PVC PIPE

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RIPRAP NOTES

858-01 GEOSYNTHETICS FOR SEPARATION, RIPRAP REINFORCEMENT).

FILAMENTS, US FABRICS 250NW OR EQUAL. (SEE NDDOT SPECIFICATION

NEEDLEPUNCHED GEOTEXTILE, MADE OF 100% POLYPROPYLENE STAPLE

GEOTEXTILE: THE SEPARATION GEOTEXTILE SHALL BE NONWOVEN, 2.

RIRRAP GRADATION SHALL MEET 'GRADE 1' REQUIREMENTS.

SPECIFICATIONS FOR ROAD AND BRIDGE CONSTRUCTION'.

'NORTH DAKOTA DEPARTMENT OF TRANSPORTATION STANDARD

1. RIPRAP SHALL CONFORM TO SECTION 256 "RIPRAP" OF THE

GEOTEXTILE LAYER UNDER ALL RIPRAP

NATIVE SOIL (TYP.)

AND EQUALIZATION PIPE)

(FOR FORCE MAIN PIPE, DISCHARGE PIPE,

TYPICAL TRENCH DETAIL

4" COMPACTED SAND LAYER

8" COMPACTED CLAY LAYER

CL

LINER PENETRATION DETAIL

NOTE: A GEOMEMBRANE BOOT SHALL BE

PROVIDED FOR ALL LINER PENETRATIONS.

NO SCALE

NEOPRENE GASKET (1/4" x 2")

CAULK

EXTRUSION WELDS (TYP.)

SECTION 'A'

PIPE

NEOPRENE GASKET (1/4" x 2")

GEOMEMBRANE LINER

GEOMEMBRANE LINER

STAINLESS STEEL BAND CLAMP

STAINLESS STEEL BAND CLAMP

SECTION 'A'

GEOMEMBRANE LINER

GEOMEMBRANE LINER

EXTRUSION WELDS (TYP.)

PIPE

WELDS (TYP.)

EXTRUSION

CAULK

NEOPRENE GASKET (1/4" x 2")

STAINLESS STEEL BAND CLAMP

GEOMEMBRANE LINER

EXTRUSION WELDS (TYP.)

PIPE

V A

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6"

10' SPLASH PAD

NO SCALE

TOP OF BERM

(AT EQUALIZATION PIPE)

TYPICAL SPLASH PAD

S L

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LAGOON CELL BOTTOM

10'

OF CENTER BERM

PLACED ON EACH SIDE

10' x 10' SPLASH PAD

ADDITIONAL PIPE PENETRATION

SPLASH PAD DOES NOT REQUIRE

RIGHT BELOW PIPE PENETRATION.

START SPLASH PAD AT END OF PIPE,

8" DIA. EQUALIZATION PIPE (UNDER BERM)

5'5'

AT FORCE MAIN PIPE

CENTER SPLASH PAD

SEE LINER PENETRATION DETAIL

SEE LINER PENETRATION DETAIL

PROFILE

PROFILE

10'

5'5'1