Nickajack Auxillary Spillway
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Nickajack Auxillary Spillway completed
Particulars
Owner: unknown
Designer: Vann A. Newell & Harry A. Mason
Contractor: TVA Construction Forces, GUMBK, Sequatchie Concrete Services Inc.
Statistics
Type: Gravity
Purpose(s): Hydropower
Reservoir capacity: 311 m3x106
Height: 17 metres
Length: 427 metres
Volume of RCC: 79 m3x103
Total volume: 79 m3x103
Construction Dates
Start of Project: 08/89 (August 1989)
Start of RCC: 07/90 (July 1990)
End of RCC: 02/91 (February 1991)
End of Project: 04/92 (April 1992)
Country: USA
River: Tennessee
DMS Co-ordinates: 35˚0'13.13"N, 85˚37'10.88"W
DD Co-ordinates: 35.003647, -85.61969
Facings
Upstream
| Slope | Type |
|---|---|
| 0.25 | RCC against formwork [stepped face] |
Downstream
| Slope | Type |
|---|---|
| 0.60 | RCC against formwork [stepped face] |
Spillway
| Slope | Type |
|---|---|
| 0.60 | RCC against formwork [stepped face] |
Placement
| Layers (mm) | Lifts (mm) |
|---|---|
| 300 | 600 |
Cementitious material
| Cement (kg/m3) |
|---|
| 85 |
| Pozzolan (kg/m3) | Pozzolan Type |
|---|---|
| 119 | Low-lime flyash (ASTM Class F) |
