Description and justification of Casa da Torre Winery
The winery has an approximate area of 600m2, with exterior walls made from granite and interior walls clad with Trespa panels. The sandstone mosaic floor lies below a clay-tile roof supported on a wooden bracing structure.
The winery is equipped to turn 100,000kg of white grapes and 4000kg of red grapes into 68,000 litres of white, rosé and red wine.
The grapes come from three estates belonging to the family – Quinta da Senra, Quinta da Casa Do Cruzeiro, and Quinta da Casa da Torre – totalling 21 hectares of vineyards.
Loureiro, Arinto, Trajadura, Alvarinho, Chardonnay and Sauvignon Blanc white grape varieties and Vinhão and Borraçal red grape varieties are cultivated.
The grapes arrive at the winery in 15kg boxes and are then destemmed and crushed, falling directly into the presses or vats, depending on whether they are white or red, respectively.
No pumps are used during the winemaking process (unloading of grapes into the destemmer/crusher, filling of presses and decanting vats), which relies entirely on gravity.
Given the considerable variations in temperature during the harvest season, the winery has been fitted with a cold processing unit and an automated network in order to control temperature during fermentation.
The wine is stored in 316-grade stainless steel tanks.
A capacidade de armazenamento é de 91.000 litros tendo os depósitos as seguintes características:
-15 x 5000L 316-grade stainless steel tanks, with cooling jackets;
-1 x 5000L 316-grade stainless steel stabilisation tank;
-3 x 2500L 316-grade stainless steel tanks;
-1 x 2500L 316-grade stainless steel stabilisation tank;
-1 x 4500L 316-grade stainless steel tank for red wine fermentation;
There is a total storage capacity of 91,000 litres, made up as follows:
-23,000fg refrigeration unit, with a 1000L lung tank and a distribution system to all tanks with electrically operated valves controlled via a programmable panel.
-1 water treatment system with general and particle filtration and bacteriological treatment with polishing filter and ultra-violet sterilisation.
-1 destemmer with a maximum capacity of 12 tonnes per hour.
-1 horizontal plate press for whites, with an approximate capacity of 4000kg of destemmed grapes.
-1 horizontal pneumatic press for whites, with an approximate capacity of 4000 kg of destemmed grapes.
-1 vertical press for reds, with an approximate capacity of 1500kg of fermented husks.
-1 stainless steel tube system from presses to vats, with three-way taps.
-2 conveyor screens for removing marc.
-2 plunger pumps.
-1 electrical pump with bypass.
-1 filter comprising 20 40x40cm plates;
-1 wash compressor.
Bottling, labelling and packaging are subcontracted out.
Bottles are then stored in suitable containers.
Water comes from the public water mains.
There are plans for an electrical distribution system to provide power for lighting and motors in accordance with the relevant statutory safety regulations. This will be fed from an existing mains connection at the site.
There is a general distribution board designed to feed power socket and motor circuits, general lighting circuits and emergency lighting circuits.
The contracted power is 34.5kVA. Monthly consumption at full capacity will be approximately 2500KWh.
There are three-phase and single-phase power sockets and 24V sockets for inspection lamps.
The resulting by-products of wine production – stems, marc and lees – are used in the vineyards in accordance with intervention measures in the wine sector regarding withdrawal under supervision of winemaking by-products for distillation.
Wastewater will be incorporated into the municipal Cru / FD8 interceptor according to a protocol established with Águas do Ave S.A.
There are changing rooms and toilets in the winery building itself.