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GOSALDAvittorio2021-07-09T09:34:08+00:00

menu GOSALDA

POWER PLANT
HYDROELECTRIC _

Slide 03. Position Map 01. DESCRIPTION 02. Engineering Services work CATEGORY Hydropower Italy, Veneto Region,
Province of Belluno
Location place Gosalda SpA client 2008 - 2016 Period of
Activity
work

Slide Gosalda Hydroelectric Power Plant is run-of-river diversion scheme with two intakes.
The two intakes are on Gosalda Stream and on its tributary Nagher. Each intake is composed by weir, fish ladder, lateral intake, gravel deposition chamber, desander and valve chamber.
The cast iron penstock passes through a particularly problematic area from a geological/geotechnical point of view: hence both the design and the realization of the waterways had required a particular care. Moreover, the last stretch of the penstock runs along a steep slope, with the consequent structural and constructional challenges.
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Slide The aboveground powerhouse is located near an abandoned village named California on the left side of Mis stream, of which Gosalda is tributary. It housed one production group with Pelton type turbine. The tailrace leads to Mis stream.
During the preparation of the Executive design the general layout of the power plant has been reviewed and optimized, mainly for as regards the location of the Nagher intake structure and the number of units. All these optimizations have been developed in compliance with the dire constraints due to the Italian laws.
ZOLLET Ingegneria has assisted and advised the Client in the assignment phase and evaluating the proposal of optimization submitted to the client by the providers of electrical and mechanical machinery and equipments.
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01 description Brief Description

Slide 2.52 Installed
Capacity
MW
502.55 Gross
Head
m
0.267 Rated
Discharge
m³/sec.
DN600 m 160 2420 DN600 m 875 Penstock DN500 2 Number and type
of turbines
Pelton
7 Average annual energy production GWh m

Slide Pre-Feasibility
Study
Investigations 02 Feasibility
Study
Engineering
Services
Tender
Documents
Environmental
& Social
Impact Assesment
Health & Safety
Planning
Detailed
Design
Construction
Supervision

Slide 03 Position Map

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