REVIEW DESIGN OF WAY SEKAMPUNG DAM IN PRINGSEWU DISTRICT LAMPUNG PROVINCE
Way Sekampung Dam is a dam where located between Batutegi Dam and Argoguruh Weir, located in Pringsewu District, Lampung Province. The catchment area of Way Sekampung Dam is 412,408 km2. This dam was planned to be able to increase the irrigation area and water needs in the downstream area. There...
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| Format: | Final Project |
| Language: | Indonesia |
| Online Access: | https://digilib.itb.ac.id/gdl/view/48346 |
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| Institution: | Institut Teknologi Bandung |
| Language: | Indonesia |
| Summary: | Way Sekampung Dam is a dam where located between Batutegi Dam and
Argoguruh Weir, located in Pringsewu District, Lampung Province. The catchment
area of Way Sekampung Dam is 412,408 km2. This dam was planned to be able to
increase the irrigation area and water needs in the downstream area. There are
spillway that function to drain excess water during floods. The body of Way
Sekampung Dam was planned to have type of rock fill with an upright core in the
middle which has a height is 49 m with a dam peak width is 12 m, while the design
data has a height of 53 m and the width of 10 m. The effective volume of reservoir
is 28.741 million m3 while the volume of dead storage for 50 years service life is
22.553 million m3. Design rainfall was analyzed using the Log Pearson III
distribution method and flood hydrographs were analyzed using SUH Nakayasu.
The spillway was planned using PMP flood discharge of 2221,130 m3/s and a total
length was 411,170 m. The type of spillway was side spillway with Ogee type of
crest. The spillway consists of side channel, weir, transition channel, launch
channel, and energy dissipation.
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