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Mala prehrada

Hidden : 05/30/2003
Difficulty:
2 out of 5
Terrain:
3 out of 5

Size: Size: regular (regular)

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Geocache Description:


Cache byla dne 15.1.2007 adoptovana helixikem od Davida Molnara. Diky Davide za vyber pekneho mista :-)





Mala prehrada – vyrovnavaci nadrz VD VRESNIK, byla postavena v letech 1925 – 1928 a slouzi k castecnemu vyrovnani prutoku pod vodni elektrarnou Sedlice.

Hraz prehrady je zdena, gravitacni z lomoveho kamene a je oblozena zulovymi kvadry. V pudorysu zakrivena do oblouku o polomeru R113,5m. Maximalni vyska hraze nade dnem udoli je 9,5m a jeji celkova delka je 78,7m.

Vypustne zarizeni je tvoreno spodni vypusti z oceloveho potrubi o prumeru 750mm a maximalni kapacite prutoku 3,29m3.s-1. Bezpecnostni prepad tvorí 6 prelivovych nehrazenych poli s primou prelivovou hranou o celkové delce 32,7m. Voda je od prelivu vedena primo do vyvaru, ktery je zakoncen obloukovite zakrivenym zdenym prahem. Spad vytvoreny vodnim dilem Vresnik je od roku 1983 energeticky vyuzivan v male vodni elektrarne, ktera je osazena 3 turbinami Kaplan – vertikalního provedeni o celkové hltnosti 5,28m3.s-1 s dosazitelnym vykonem cele MVE 175 kW.

Nadrz ma ovladatelny objem 0,24 mil.m3 pri zatopene plose 17 ha.

...................

Mala prehrada se nachazi v krasne krajine, v letnich mesicich se zde da prijemne vykoupat. Doporucuji hezkou max.4km dlouhou prochazkou prehradu obejit. A cestou se zastavit u hydroelektrarny Sedlice, kde po moste prejdete na druhy breh. Dale doporucuji zastavit se na obhlidku premonstratskeho klastera a poutniho kostela Narozeni p.Marie v Zelive. Dale je nedaleko udolni nadrz Trnavka, kde je bezvadne koupani. :-)

Keska je schovana nedaleko tohoto zajimaveho vodniho dila. Pro jeji odlov neni nutne lezt po zadnych skalach.

cache je oproti puvodnimu umisteni posunuta asi o tri metry vedle na logictejsi misto...

Additional Hints (Decrypt)

Cb zabub yrg x fbor fr pubhyvyl, arm cevfyv qerinev n wrqah fxbyvyv.

Decryption Key

A|B|C|D|E|F|G|H|I|J|K|L|M
-------------------------
N|O|P|Q|R|S|T|U|V|W|X|Y|Z

(letter above equals below, and vice versa)



 

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