Zaragoza Milla digital. Un nuevo espacio público para el siglo XXI

Housing
Portillo urban context
Portillo urban context. Residential project

The residential use of the Milla Digital is one of the consubstantial characteristics of the project because it is understood that it will only be possible to create a new fully urban city with quality of life, by integrating activities and uses.  This integration must not only be by physical contiguity, but it must also encompass the services of the homes and amenities enjoyed by the residents.

3.616 houses are planned to be built between the two areas (Portillo and Delicias Station Area), plus another 285 houses next to the station (former Railway workers quarters).

The individual ordinances describe the domotic and telecommunications installations in the two areas (Portillo and AVE neighbourhood).  These requirements have been prepared based on the study conducted by the Engineering Research Institute of Aragon (13A) of the University of Zaragoza in 2005 for Zaragoza City Council.  The article on domotic installations indicates:

DOMOTIC AND TELECOMMUNICATIONS INSTALLATIONS

1 Further to the communication infrastructures demanded by the regulation on common telecommunication infrastructures (ICT), the project will foresee the following equipment:

2 The optical fibre access network must provide a minimum band width of 100 megabits per second per home.

3 The domotic system control and distribution panel (CCyD) will be situated at the entrance to each home, normally within a specific mini-cabinet, which will integrate the domotic supervision box (CSD), the residential gateway (nexus between the home access network and the internal network environment, which permits the connection and management of any protocol, standard or third-party equipment, connecting it to the service provider through a broadband line), the user access point (PAU), and other central elements of the system (router, switch, firewall, alarm unit, etc.). The CSD and those other elements of the CCyD that require it will have their own electrical power supply, able to support faults in the general electricity supply.

4 The CSD will be connected to the devices to be controlled and secondary control elements by means of a communication bus, normally by cable.  In the event that the domotic system has a totally distributed architecture, the domotic bus will preferably run through a hose parallel to the electrical installation, from the CSD to each one of the points of the home subject to be controlled (lights, shutters, plugs…) and each input device (light buttons, temperature sensors, water detectors, gas….) In the event that the architecture were distributed with centralised control processes, the domotic bus would only have to reach each electrical connections box of each room; a power (not data) cable with a star-distributed system would go from these points to the points to be controlled or input devices.  It is advisable to avoid a totally centralised architecture of the domotic system. Each building will have an emergency power supply system to supply essential communication systems.

5 At least two double RJ45 intakes will be placed in each room of the house, as well as coaxial cable connections and digital audio / video distribution.  In principle and unless otherwise indicated in the development of the Milla Digital master plan, these intakes will give service to the following communications systems:

6 The power conductors will be physically separated from the communications conductors; different colours will be used to code the type of conductors that must pass through each hose.

The intake/control points, which the power and data conductors go to, will have a double box, so that each conductor is clearly separated from the other.

It is advisable for the wiring to be distributed through the ceiling, from where it will come down to each intake or control point, in order to facilitate the customisation for each use and the subsequent inspection of the conductors.

7 The building with have a closed control room with appropriate air-conditioning and with uninterrupted connection to the power supply system.  This room will house the connection elements of all the gateways (building router), servers, firewall, switches, domotic supervision box of the building, alarm units, presence and access control, power supply system, etc.

8 For information purposes, and awaiting further specifications on the work in progress related to the Milla Digital programme, the domotic facilities of the homes managed with the described system will permit the following features:

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