The office building is heated by means of radiators. Cooling on the ground floor up to and including the 3rd floor by means of water-cooled induction units against the ceiling. The desired room temperature in the office space can be set via room thermostats which have been installed for each room/partitionable module. Cooling in the basement and on the 4th floor is carried out via fan-coil units in the ceiling by means of ventilation grids. The basement and the 4th floor are both equipped with a single room thermostat for setting the desired room temperature. The (general) circulation areas are heated by means of design radiators.
The following design interior temperatures are applicable:
| ROOM | TMIN [°C] |
|---|---|
| Workstation areas | 21 |
| Central lobby | 18 |
| Circulation areas | 18 |
| Sanitary rooms | 18 |
| Technical areas | frost-free |
The starting points for the interior temperature are based on comfort class B (- 0.5 > PMV > 0.5) as stipulated in NEN-EN-7730. The results of the temperature excess calculations have been checked against a set maximum number of weighted excess hours (WTE hours) of 150.
The building is equipped with an air-conditioning system which uses 100% outdoor air and a heating and cooling battery. The pretreated air is supplied via ducts and ceiling induction units and grids into the rooms.
The following design air change rates are applicable:
| ROOM | REQUIREMENT [M3/H] |
|---|---|
| Toilet | 50 m3/h (extracted air) |
| Central lobby | 50 m3/h person |
The following design air change rates (fresh air supply) are maintained for each floor:
| ROOM | REQUIREMENT [M3/H] |
|---|---|
| Basement | 900 m3/h |
| Ground floor | 1965 m3/h |
| 1st/2nd floor | 2225 m3/h |
| 3rd floor | 2225 m3/h |
| 4th floor | 200 m3/h |
A transformer installation has been installed. The connection for the office is a bulk consumer connection. A sub distribution board has been installed for each floor with a submeter for energy consumption.
Power (230 V)/data (empty)
The building is equipped with a domestic water system. A pressure-boosting system has been installed in the basement. A cold water connection has been installed in the toilets and utility closets, with a close-up boiler for providing hot water for the utility closets. Hot water is available in the pantries from Quooker taps. On every floor, there is an Ajax-Chubb fire hose reel in a built-in cabinet.
The building is equipped with a gas installation for the CH boilers. The boilers serve the radiator heating system and the heating section in the air handling unit. The gas meter is located in the basement.
The building is equipped with a CAS connection and a fibre optic connection in the technical area behind the toilets in the basement.
The building is equipped with a telephone connection in the following places:
The building is equipped with luxuriously finished sanitary. From the basement up to and including the 3rd floor, there are toilet groups on each floor. There is one disabled toilet on the 1st floor which is equipped with folding support rails and a emergency system for the disabled.
There is a kitchen on each floor which is equipped with the following:
Office floors: carpet
Corridor zones: partly Terrazzo and partly wood
Toilet groups: natural stone in the size 60 x 60 cm
Office floors
The ceiling is fitted with perforated steel panels,
measuring 600 x 600 mm, with the induction units
installed inbetween. On the inside along the external
walls, coving of approximately 15 cm has been fitted.
The whole ceiling and the coving are implemented
in white RAL 9016.
Basement
The ceilings in the basement and corridor zones on the
various floors are implemented in stucco coated with
emulsioning in white RAL 9016.
The heating and cooling are integrated in the building management system. The room thermostats operated by means of touchscreens are also communicative and are read by the building management system. In the latter, an overview is provided for each floor. There is a UMTS modem on site, enabling operation from any computer as long as it is connected to the internet. While operation is also possible via an iPad. The sun blinds and lighting can not be controlled with the building management system.
The whole building is equipped with energy-efficient
LED lighting. The lighting can be controlled via a central
point in the central entrance hall, for the whole building
and at each floor. It is possible to switch off the lighting
in each room. The utility closet lighting is switched
separately. With this, there is a distinction between
service rooms and technical areas. Technical areas are
switched by means of a switch and service rooms by
means of a sensor.
The lighting system has been installed in accordance
with NEN-EN-12464:
The building is equipped with a non-automatic fire alarm system with the extent of monitoring being ‘nonautomatic monitoring’ (manually operated fire alarm system) in accordance with NEN 2535 and an evacuation alarm system type B (loud alarm) in accordance with NEN 2575. A manually call point has been installed at each fire hose reel and there are slow whoops in the pantries.
| FLOOR | PERSONS |
|---|---|
| Basement | 45 persons |
| Ground floor | 45 persons |
| 1st/2nd/3rd floor | 45/45/40 persons |
| 4th floor | 5 persons |
| Total: maximum | 225 persons |
The building is equipped with a new luxuriously finished energy-efficient lift (type: Thyssenkrupp) with a capacity of 6 persons (max. 635 kg) and a nominal lifting speed of 1 m/s.
The building is equipped with a combined access control system made up of the following components:
The whole of the enclosed inner courtyard is paved and lights have been installed in the paving. The yard is enclosed by a lockable steel fence.
The building is fitted with sun blinds on the Nes side and on the Wijde Lombardsteeg side (only on the 3rd floor). The sun blinds can be controlled on each individual window or as the case may be on every two windows.