UVD_Toe_Drain_Repair_-_Plans.pdf

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Union Village Dam Toe Drain Repair, East Thetford, VT
Solicitation number
W912WJ19Q0109
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Specifications_4.pdf PDF
Specifications_3.pdf PDF
Specifications_6.pdf PDF
Specifications_5.pdf PDF
Specifications_2.pdf PDF
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EXIST. PIPE

pw://COE-NAEPWP01CON.nae.ds.usace.army.mil:coe-naepwp01con.nae.ds.usace.army.mil/Documents/Civil Works/Flood Control/Upper Connecticut River Basin/Union Village Dam/Toe Drain Repair - FY19/30000 - Planning & Engineering & Design/30DA0 - Plans & Specs/CAD

ANSI D 23-JUL-2019 08:07 PowerInRoads

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:1

E1 N.T.S.

EXISTING MANHOLE PROFILE SECTION

A1 N.T.S

WITH NEW MATERIALS (SEE SHEET C-101)

EXISTING MATERIALS TO BE EXCAVATED AND REPLACED

E6

TRENCH CROSS SECTION

SCALE: N.T.S.

(MINIMUM 18" LAYER)

ROCK FILL

1.5'

1'

(MINIMUM 12" LAYER)

SAND FILTER

1'

1.5'

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O T

E

5'

APPROXIMATELY 15'

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NEW TRENCH EXCAVATION PROFILE

NOTE:

EXAVATION, SEE DETAIL E1 ON THIS SHEET

APPROXIMATE LIMIT OF PREVIOUS

2. CONTRACTOR SHALL PROVIDE MANHOLE STRUCTURE EXCAVATION SUPPORT TO PROTECT STRUCTURE. REFER TO 31 00 00 TECHNICAL SPECS.

1. THE INTENT FOR TRANSITION AREA IS TO TIE EXISTING FILTER MATERIALS IN WITH THE NEW FILTER MATERIALS.

115'

TRANSITION AREA

1.5'

1'

DAM

1.5'

1'

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35' (SEE NOTE 3)

3. EXCAVATION WIDTH SHOWN ASSUMES 10 FOOT EXCAVATION DEPTH. IF LEDGE ENCOUNTERED AT A SHALLOWER DEPTH, EXCAVATION WIDTH WILL CHANGE.

2. MAXIMUM EXCAVATION DEPTH OF 10 FEET OR TO LEDGE, IF ENCOUNTERED.

1. APPROXIMATE TRENCH LENGTH IS 115 FEET.

NOTES:

EXISTING NATIVE SANDY SOIL

EXISTING MANHOLE

TOP OF LEDGE

15' ±

TOP OF LEDGE

.5 .5 F

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T

ROCK FILL

EXISTING EMBANKMENT

(MINIMUM 12" LAYER)

3/8" CRUSHED STONE BEDDING

REQUIRE UP TO 78")

(MINIMUM 12"LAYER, BUT MAY

" CRUSHED STONE FILL

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