Q12-30 35.pdf

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30/35

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40'10'0 20'

SCALE:1"=20'

MIGRATION.

SIDES OF EXCAVATION TO PREVENT

OVERLAPPED ON BOTTOM AND

MEDIUM WEIGHT GEOTEXTILE FABRIC

12" BASE MATERIAL #57 STONE AND

(ASPHALT DRIVE)

EXISTING SURFACE

ABOVE EXISTING SURFACE.

CONCRETE SLAB TO SIT APPROX. 6"

TOP OF SLAB ELEV.=391'-6"

14" CONCRETE SLAB

REPLACE WITH PROPOSED DITCH

REMOVE 18" CMP CULVERT

TO PROPOSED DITCH

GRADE AREA TO DRAIN

EDGE OF PAVEMENT

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I.E.=380.79

RIM=388.99

EXIST. SSMH

ASPHALT REMOVAL

SAWCUT PAVEMENT FOR

EXIST 8" SS LINE

INVERT AT PROPOSED CATCH BASIN

PROPOSED INVERT = 1% LOWER THAN

32' x 12" HDPE DRAIN PIPE

SAWCUT ASPHALT PAVEMENT TO INSTALL

CATCH BASIN

STUBBED INTO EXIST

INSTALL 15" CMP

APPROX. LOCATION

ASSUMED 6" WATERLINE

TOW MACHINERY BASE

15" CMP CULVERT

GRADE DITCH TO DRAIN TO

SILT FENCE REQUIRED

15" CMP CULVERT

GRADE DITCH TO DRAIN TO

RELOCATE GROUNDING MAT

CONC PAVEMENT TO BE REMOVED TO

SILT FENCE REQUIRED

FILTER FABRIC

WRAPPED WITH 4 OZ.

4" PERFORATED DRAIN PIPE

STOPLOG SLAB

LOCATION OF PCC

4" VENT

SILT FENCE REQUIRED

I.E.=380.19

RIM=390.99

EXIST. SSMH

TO CATCH BASIN

GRADE AREA TO DRAIN

I.E.=381.41

RIM=390.01

EXIST. CATCH BASIN

I.E.=OBSTRUCTED

RIM=388.41

EXIST. CATCH BASIN

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EXIST.

(TYP)

GROUND

MAT COVERS

CONC.

18" C M P

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(CONCRETE SIDEWALK)

EXISTING SURFACE

FABRIC

WRAPPED W/ 4 OZ. FILTER

4" PERFORATED DRAIN PIPE

SURFACE

EXISTING

ABOVE EXISTING SURFACE.

CONCRETE SLAB TO SIT APPROX. 6"TOP OF SLAB ELEV.=391'-6"

14" CONCRETE SLAB

MIGRATION.

SIDES OF EXCAVATION TO PREVENT

OVERLAPPED ON BOTTOM AND

MEDIUM WEIGHT GEOTEXTILE FABRIC

12" BASE MATERIAL #57 STONE AND

SURFACE

EXISTING

NTS

SECTION DETAILA-A

NTS

SECTION DETAIL

B-B

125'-5"

50'-4"

CONTRACTION JOINTS (TYP)

4.5'

NTS

4" PVC DRAIN DETAIL

EXPANSION JOINTS (TYP)

1'

6"

"PVC PIPE

4" PERFORATED

MATERIAL

#57 BACKFILL

SLAB

EDGE OF STOPLOG

CONCRETE WALK

EDGE OF

NTS

DRAINAGE DITCH DETAIL

TO THE 24" HDPE CATCH BASIN

1. 4" PVC PERFORATED PIPE DRAINS

NOTES:

2:1 SIDE SLOPE (MIN)

BEGIN INV.=391.00'

BEGIN INV.=391.00'

END INV=389.00'

END INV=389.00'

END INV.=389.00'

BEGIN INV.=391.00'

IE-389.21

IE-389.58

SURFACE

PROPOSED GRASS

SURFACE

PROPOSED GRASS

SURFACE

PROPOSED GRASS

ABANDONED IN PLACE

ELEC TO WAREHOUSE

EXIST. UNDERGROUND 3-3F

(SEE SHEET Q12-30/37 FOR DETAILS).

GRATE ELEV.= 389.5', INV ELEV=387.5'

INSTALL 24" HDPE CATCH BASIN

(ASPHALT DRIVE)

EXISTING SURFACE

NTS

CATCH BASIN RISER DETAIL

(ASPHALT DRIVE)

EXISTING SURFACE

EXISTING CATCH BASIN

ADJACENT SLAB.

2. TOP OF GRATE TO BE FLUSH WITH TOP OF

CATCH BASIN RISER.

1. OPEN HOLED GRATE REQUIRED FOR

NOTES:

(SEE DETAIL THIS SHEET)

ENSURE MANHOLE COVER IS FLUSH WITH TOP OF SLAB.

INSTALL OPEN HOLED MANHOLE COVER FOR ACCESS.

CONSTRUCT RISER OVER EXISTING CATCH BASIN AND

(SEE DETAIL THIS SHEET)

ENSURE MANHOLE COVER IS FLUSH WITH TOP OF SLAB

INSTALL OPEN HOLED MANHOLE COVER FOR ACCESS.

CONSTRUCT RISER OVER EXISTING CATCH BASIN AND

AND CONTRACTOR.

TO BE DETERMINED BY COR

NUMBER AND HEIGHT OF RISERS

UNLESS OTHERWISE APPROVED BY THE CONTRACTING OFFICER.

8. NO EARTHWORK TO INCLUDE EXCAVATION AND COMPACTION SHALL BE PERMITTED BETWEEN THE MONTHS OF DECEMBER AND APRIL

7. THE CONTRACTOR SHALL SUBMIT A PROPOSAL FOR RAISING THE CATCH BASIN TO ALIGN WITH THE SLAB SURFACE.

6. THE CONTRACTOR SHALL NOT EXCAVATE MORE MATERIAL THAN CAN BE BACKFILLED WITHIN A 24 HOUR PERIOD.

5. CONTRACTOR MUST SUBMIT THEIR PROPOSED DRAINAGE PLAN TO ENSURE THAT WATER DOESN'T GET INTO THE EXCAVATION AND STAGNATE.

CONTRACTOR TO UTILIZE EXCAVATED MATERIAL TO RESHAPE SURROUNDING AREAS TO ENSURE POSITIVE DRAINAGE AWAY FROM THE SLAB.

4. ENSURE THAT THE TOP OF THE SLAB IS 6" HIGHER THAN THE SURROUNDING AREA AS SHOW ON SECTION B-B OF THIS SHEET.

DRAINAGE NOTES:

3. #57 STONE FOR SLAB BASE SHALL BE PLACED AND COMPACTED INTO LIFTS NOT TO EXCEED 4 INCHES COMPACTED THICKNESS.

31 05 22. FILTER FABRIC SHALL BE NON-WOVEN AND NO LESS THAN 12 OZ. IN WEIGHT AS ACCORDING TO SPECIFICATION 31 05 22.

2. PLACE FILTER FABRIC BETWEEN #57 STONE AND SLAB FOUNDATION AS SHOWN IN SECTION B-B AND AS DIRECTED IN SPECIFICATION

1. ALL EARTHWORKS SHALL BE PROTECTED BY THE CONTRACTOR FROM THE EFFECTS OF WEATHER AND THE ENVIRONMENT AT ALL TIMES.

EARTHWORK NOTES:

PLACEMENT

CATCH BASIN TOP FOR RISER

CONSTRUCT CAST-IN-PLACE

OPEN HOLED MANHOLE GRATE

NEW SLAB DETAILS

SEE SHEET Q12-30/46 FOR PROPOSED

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FABRIC

4 OZ. FILTER

PROPOSED CONCRETE STOPLOG SLAB

GROUNDING MAT

PAVEMENT TO BE REMOVED TO RELOCATE

3'

TO BE REMOVED

(2) 2'x4' GRATES

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13121110987654321

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A SHEET ID

®of Engineers

US Army Corps

U .S

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