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Penn Forest

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Penn Forest under construction
Penn Forest under construction

Particulars

Owner: Bethlehem Authority, City of Bethlehem

Designer: Gannett-Fleming Inc.

Contractor: Conti Enterprises Inc.

Statistics

Type: Gravity

Purpose(s): Water Supply

Reservoir capacity: 2 m3x106

Height: 49 metres

Length: 610 metres

Volume of RCC: 283 m3x103

Total volume: 283 m3x103

Construction Dates

Start of Project: 08/96 (August 1996)

Start of RCC: 09/97 (September 1997)

End of RCC: 10/98 (October 1998)

End of Project: 12/98 (December 1998)

Country: USA

River: Wild Creek

DMS Co-ordinates: 40˚55'46.05"N, 75˚33'58.15"W

DD Co-ordinates: 40.929459, -75.566154

Facings

Upstream

SlopeType
VerticalTraditional concrete against precast concrete panels with geomembrane

Downstream

SlopeType
0.50RCC supported by fill shoulders
 RCC against precast concrete panels

Spillway

SlopeType
conduit 

Placement

Layers (mm)Lifts (mm)
300300

Cementitious material

Cement (kg/m3)
58
Pozzolan (kg/m3)Pozzolan Type
41Low-lime flyash (ASTM Class F)