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ZELENI DVORI Croatia 2019

At the edge of the nature park Medvednica, an area where one can live in leisure and breathe clean air, on a plot of a total area of approx. 18,300 sq m, with a natural water source and watercourse, an innovative architectural project, ZELENI DVORI, has been developed. At its core is a polyclinic with accompanying facilities, 14 low-energy homes with gardens, and an access road and promenade. In natural surroundings, quite close to Zagreb, and yet far from the hustle and bustle of the city, ZELENI DVORI represents architectural excellence founded on a successful combination of the existing landscape, innovative ideas, design quality, functionality and practicality, and an efficient use of natural resources, environmental sustainability, and durability of materials. Energy-efficient architecture with systems for utilising renewable energy sources, and landscaped exteriors, provide well-designed premium amenities both in the buildings themselves and on the plots on which they are situated. ZELENI DVORI is a place for a life with more pleasure, ideal for developing an integrated hotel in the function of medical tourism, additionally benefiting from the rural aspect of the wider locality and activities associated with it.

At the edge of the nature park Medvednica, an area where one can live in leisure and breathe clean air, on a plot of a total area of approx. 18,300 sq m, with a natural water source and watercourse, an innovative architectural project, ZELENI DVORI, has been developed. At its core is a polyclinic with accompanying facilities, 14 low-energy homes with gardens, and an access road and promenade.

In natural surroundings, quite close to Zagreb, and yet far from the hustle and bustle of the city, ZELENI DVORI represents architectural excellence founded on a successful combination of the existing landscape, innovative ideas, design quality, functionality and practicality, and an efficient use of natural resources, environmental sustainability, and durability of materials.

Energy-efficient architecture with systems for utilising renewable energy sources, and landscaped exteriors, provide well-designed premium amenities both in the buildings themselves and on the plots on which they are situated.

ZELENI DVORI is a place for a life with more pleasure, ideal for developing an integrated hotel in the function of medical tourism, additionally benefiting from the rural aspect of the wider locality and activities associated with it.

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SUSTAVNO PROZRAČIVANJE PROSTORIJA UZ REKUPERACIJU

SYSTEMATIC HEAT RECOVERY VENTILATION

Prema istraživanjima, većina ljudi provodi više od 80% svog života

u zatvorenim prostorima (stanovi i kuće, škole, uredi, tvornice…). U

zatvorenim prostorima zrak se neprekidno onečišćuje disanjem, raznim

mirisima, česticama prašine i sl. Time se često iznad higijenske granice

povećavaju udjeli ugljičnog dioksida (CO2) i s njim generirani lako hlapljivi

spojevi, te relativna vlažnost zraka, što loše djeluje na zdravlje (alergijske

reakcije, manjak koncentracije, pojačano znojenje, umor, nesanica,

glavobolja i mučnina, astma…).

According to research, most people spend over 80% of their lives indoors

(in apartments and houses, schools, offices, factories...).

Indoor air is continuously polluted by breathing, various odours, dust

particles, etc. This often increases the concentration of carbon dioxide

(CO2), of highly evaporable compounds that are co-generated with it, and

of relative humidity above the hygiene level, which has an adverse effect

on health (allergic reactions, poor concentration, increased perspiration,

fatigue, insomnia, headache and nausea, asthma...).

Istraživanjima je utvrđeno da je za ugodan boravak, dobro raspoloženje

i zdrav san u zatvorenom prostoru potreban svjež zrak s udjelom CO2 u

granicama između 500 i 1000 ppm i relativnom vlažnošću između 40%

i 60%.

Sadržaj od 1500 ppm CO2 u zraku i 70% relativne vlažnosti zraka su

higijenska granica, iznad čega je daljni boravak u prostoru neugodan i

nezdrav bez unosa svježeg zraka (prozračivanja).

Svaki zatvoreni prostor mora se povremeno ili stalno (manualno ili

sustavno) prozračivati, kao npr. otvaranjem prozora ili instaliranim

sustavima za prozračivanje.

Otvaranjem prozora i puštanjem vanjskog zraka u prostor ne možemo

spriječiti i upuštanje neželjenih sadržaja (vanjske buke, alergena, prašine,

propuha, hladnoće ili vrućine).

Research has shown that fresh air with a CO2 concentration between

500 and 1000 ppm and relative humidity between 40% and 60% is

necessary for comfortable living, good mood and healthy sleep indoors.

A CO2 concentration of 1500 ppm and 70% relative humidity are the

hygiene limit above which further stay indoors becomes unpleasant and

unhealthy if fresh air (ventilation) is not introduced.

Every indoor space must be ventilated occasionally or continuously

(manually or systematically), e.g. by opening windows or activating

installed ventilation systems.

By opening windows and introducing outdoor air we cannot prevent

the introduction of unwanted elements (outdoor noise, allergens, dust,

draught, cold or heat).

U ovako nekontrolirano i nepraktično

prozračivanim prostorima se stvara:

• manje ugodan do neugodan

ambijent za boravak, zbog

stalnog prilagođavanja

organizma,

• promjena kakvoće zraka (sadržaji

u zraku, temperatura i relativna

vlažnost zraka, propuh, buka,

insekti…),

• visoki troškovi postizanja

ambijenta za boravak, zbog

velikih energetskih gubitaka

prozračivanjem,

• briga o kakvoći i obveza utjecaja

na kakvoću zraka u prostoru

zimska hladnoća

coldness

pelud

pollen

buka

noise

ljetna vručina

hotness

SVJEŽI ZRAK

FRESH AIR

USTAJALI ZRAK

STAGNANT AIR

toplinski gubitci financijski gubitci

heat losses financial losses

Such spaces with uncontrolled and

impractical: ventilation create:

• A less pleasant or unpleasant

indoor climate due to the body’s

continuous need to adapt;

• Changes in air quality (air

particulates, temperature and

relative humidity, draught, noise,

insects...);

• High costs of achieving a

pleasant indoor climate due to

high energy losses caused by

ventilation;

• Concern about the quality of

indoor air and an obligation to

improve it.

ZELENI DVORI BISTRA I 37

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