SPECIFICATIONSTECHNICAL

FLEXIBLE, DIVISIBLE, EFFICIENT SPACES

BUILDING MORPHOLOGY AND FLOOR SPACE:• 4 substructure and 38 superstructure levels

• Total useful floor space of 51,000 sq. m

• Safe occupancy level: maximum of 1 person/10 sq. m of floor space, or 4,674 people

• Work station capacity: 3,810

MODULAR, EFFICIENT AND DIVISIBLE SPACES:• Façade unit width: 1.4 m

• Floor depth: from 6.87 m to 12.48 m (F3 to F37)

• Excellent ratio of usable floor area exposed to natural light and of net usable floor area, allowing to optimise costs per work station; more than 70% of the net usable office floor area receives natural light on almost every floor.

• Partitions can be installed perpendicular to each façade unit. For individual offices: 2 units for north, south-west and south-east facing offices and 3 units for north-west, north-east and south facing offices

• Drop ceilings made of perforated metal tiles providing high-quality acoustic performance (heavy-duty tiles)

• Raised floor with underfloor plenum space of 10cm (50cm on F5)

• Archive rooms: 30 sq. m per floor with a load capacity of 500 kg/sq. m and provisional measures allowing for the future installation of a sprinkler system

• Can be divided into units:- 1 unit per floor for floors F3, F6 to F20, and F23- 2 units per floor for floors F21 to F36 (technical division per floor and per unit, with the possibility of installing

a meter for each unit)

01

Table showing floor space and capacity (in sq. m)

Floor Floor area Alto capacity 3,810 people Notes

F37 1,339 100Offices + possibility of creating a sky lounge

or club restaurant with 60 covers

F36 1,569 120 Offices

F35 1,687 140 Offices

F34 1,668 140 Offices

F33 1,649 140 Offices

F32 1,631 140 Offices

F31 1,612 140 Offices

F30 1,592 140 Offices

F29 1,575 120 Offices

F28 1,556 120 Offices

F27 1,538 120 Offices

F26 1,515 120 Offices

F25 1,496 120 Offices

F24 1,448 120 Offices

F23 1,416 NA Wellness/Fitness area + Food Court 450 covers

F22 1,417 120 Offices

F21 1,404 120 Offices

F20 1,404 120 Offices

F19 1,386 120 Offices

F18 1,369 120 Offices

F17 1,351 120 Offices

F16 1,335 100 Offices

F15 1,309 100 Offices

F14 1,292 100 Offices

F13 1,275 100 Offices

F12 1,258 100 Offices

F11 1,241 100 Offices

F10 1,222 100 Offices

F9 1,205 100 Offices

F8 1,188 100 Offices

F7 1,172 100 Offices

F6 1,160 100 Offices

F5 1,137 250Auditorium + adjoining lobby

+ Possibility of creating a business centre

F4 381 20 Offices + Technical maintenance floor

F3 919 50 Offices + Kitchens

F2 867 N/A Restaurant 660 covers

F1 583 N/A

GF 1,011 N/A Concierge service + Canteen 180 covers

GF-1 441 N/A

GF-2 337 N/A VIP access

GF-3 99 N/A

GF-4 - N/A

TOTAL 51,065

Retail unit 255 N/A Canteen - 170 covers

SMART BUILDING:

• IP-based BMS making it possible to develop a specific application for Alto, allowing the work environment to be controlled from a smartphone (lighting, air conditioning, electric blinds, etc.).

• BMS for operating, controlling and optimising the performance of the technical installations (HVAC, plumbing, power and lighting) and managing the overall cost of the building.

EFFECTIVE, SUSTAINABLE AND ENERGY-EFFICIENT BUILDING ENVELOPE AND TECHNICAL INSTALLATIONS:

• Façade:

- A slim, undulating glass double-skin façade with a 50cm solid supporting wall, offering high environmental performance to improve the well-being of users in terms of visual, acoustic and thermal comfort, while reducing energy consumption.

- Frames allowing for every second window to be opened to enhance user comfort

- Shade provided by a motorised external venetian blind system integrated into the double skin (centralised control via the BMS)

- Smoke extraction openings in certain parts of the façade

• Dimmable LED lighting controlled by the BMS: Offices: 300 lux throughout the working area (with movement detection and lighting level controlled by measure of ambient light) // Lobby: 200 lux at floor level // Lateral circulation areas: 150 lux at floor level // Office circulation areas: 150 lux at floor level

• Floor loads: Offices: 350 kg/sq. m // Entrance lobby: 500 kg/sq. m // Stairs and common circulation areas: 250 kg/sq. m // Inaccessible terraces: 100 kg/sq. m // Accessible terraces: 250 kg/sq. m // Technical maintenance terraces: 500 kg/sq. m // Technical maintenance rooms: 500 kg/sq. m // Archives: 500 kg/sq. m // Restrooms: 250 kg/sq. m // Kitchen: 500 kg/sq. m // Kitchen storage areas: 600 kg/sq. m // Restaurant areas: 250 kg/sq. m // Auditorium: 400 kg/sq. m // Power generator: 1,000 kg/sq. m // Wellness area: 500 kg/sq. m

• Plumbing - Restrooms

- Hot water for sanitary use:. Water used for catering will be heated by solar power (about 230 sq. m)

. The water for the restroom facilities will be heated in electric water tanks.

- Restroom fittings: . White wall-hung toilets. Sinks made of Corian®. Electronic sensor taps

• High voltage

- Power sources for workstations via the raised floor with high- and low-voltage adapters

- Installation of 3,810 adapters featuring 3 regular sockets (2X16A + T) and provisional measures for 2 UPS sockets (2X16 A +T)

• Low voltage

- The building will be equipped with an addressable class A fire safety system and alarm equipment designed for high-rise buildings.

- Safety: implementation of video surveillance, intruder alarms, access control for common and private areas, intercom systems

- Two separate telecommunication operator booths on LG2

• Securing energy supply

- Two 2200kVA generators each supplying power to the security installations and emergency power to the office, general service and cold room areas for 24 hours.

- Provisional measures for an additional 1000 kVA generator

- Provisional measures for the installation of a 25 kVA inverter with autonomy of 60 minutes

• Fire safety

- Two water connections will supply the fire safety system which is equipped with two reservoirs:. A reservoir in the lower part of the building for the wet standpipe and fire hose

. A reservoir in the lower part of the building for the sprinkler system

• Sprinkler system zones

- Sprinkler system room LG4 // Technical maintenance rooms LG1 and LG2 // Lobbies // Elevator landing areas// Circulation areas (GF and F1) // Restaurants (F2 and F23) // Canteen (GF and F1)

- Provisional measures to enable the installation of sprinklers in the archive rooms on the shared floors and office spaces.

0302

• Target certifications:

- French 2011 certification for HEQ commercial buildings (NF Bâtiments Tertiaires Démarche HQE 2011) - Bâtiment Durable Exceptionnel (exceptional sustainable building) label

- Breeam International 2013 - Outstanding rating: to date, only about a dozen projects have reached this performance level in France

- French “Effinergie+” label (awarded to energy-efficient buildings)

- Well Building Standard: for pleasant, safe and comfortable work and living spaces for the future occupants

- Wired Score - Platinum level: for excellent connectivity

• Key environmental aspects of the project:

- Excellent indoor air quality: . Ventilation rate is higher than the regulatory minimum at 36 m3/hour/person in the office spaces

. Airtightness commitment of 1.2 m3/(h.m²) with on-site measurements

. Thermographic testing of the building to limit thermal bridging

. Materials in contact with the indoor air must have an A+ rating in terms of VOC and formaldehyde emissions.

- Comfort of indoor spaces:. Unobstructed, pleasant views. Good visual quality thanks to a satisfactory daylight factor (DF) and suitably adapted artificial lighting (minimum uniformity ratio of 0.6)

. Very good acoustic quality in the various spaces

. Attentive management of equipment related to user comfort across every two units (temperature, ligh-ting, etc.)

. Venetian blinds on all of the windows at office level, which can be adjusted by the users and are protected by the outer layer of the façade

- Environmental performance of the building when occupied. Building performance reviews will be carried out starting in the second year of use to ensure the building’s environmental performance is maintained

. Ease of access to all parts of the building and its technical equipment

. Integration of a BMS to control equipment

. Metering system for monitoring energy and water consumption

. Commissioning agent from the start of construction to the building’s first use to certify the compliance of the project with respect to the objectives referred to herein and the proper functioning of the building once in use

- Excellent energy performance - Effinergie+ label. Savings of 20% according to the “Bbio” indicator (bioclimatic performance) under RT 2012 (French thermal regulations)

. Savings of 40% according to the “Cep” indicator (primary energy use) under RT 2012

. Electricity produced by solar panels on the roof of the building

. Use of CO2 heat pumps (GWP=1) to produce hot water for the catering facilities

. Heating and cooling systems with a very high performance coefficient

ARCHITECTURAL AND ENVIRONMENTAL SERVICES TO ENHANCE WELL-BEING

ARCHITECTURAL QUALITY AND COMFORT

• Clear height throughout the building

- HGF lobby: double-height ceiling (more than 6 m)

- Office areas:. 2.80 m in the shared office spaces, excluding F36 and F37

. 3 m in the office spaces on F36 and F37

. 3 m in the office spaces on F5

. 2.80 m in the elevator landing areas and lateral circulation areas on the office floors

. 2.40 m in the restrooms on the office floors, including the area in front of the restrooms

- Restaurant and canteen areas. GF Canteen: 2.80 m. F1 Canteen: 3.00 m. Restaurant on F2: Between 2.75 m and 3.20 m. Food court on F23: 2.80 m

• Interior design by Jean-Philippe Nuel:

- Offices: . Walls: Painted. Floors: Carpet tiles (at the expense of the lessee) laid on raised floors

- Lateral circulation: . Walls: decorative panelling in grooved stucco, planilaque (coloured lacquered glass) panels and paint treatment

. Floors: tiles and carpet or resin

- Hall:. Walls: painted plaster, decorative panelling in grooved stucco, planilaque panels and paint treatment

. Floors: poured resin

- Restrooms:. Walls: Ceramic tiles and paint. Floors: Tiles

THERMAL COMFORT AND AIR QUALITY

• HVAC

- Four-pipe chilled beam terminal unit offering high energy performance

- Ventilation systems designed to perform at a rate of 36 m³/hour/person to improve the air quality in the workplace, using air processing units installed on each floor (two for each office space)

- Possibility of installing meeting rooms on 20% of the surface of each floor

- Cold and hot air produced via heat pumps combined with the national grid

- Mechanically ventilated restrooms- Underfloor heating and cooling in the lobby area- Management and programming of the various

installations via the BMS- Thermal performance: 26°C (+/- 1°C) for an outdoor

temperature of 32°C in summer and 20°C (+/- 1°C) for an outdoor temperature of -7°C in winter.

ENVIRONMENTAL RESPONSIBILITY

04 05

A WIDE RANGE OF INNOVATIVE SERVICES

A LANDSCAPED FORECOURT COVERING ALMOST 2,000 SQ. M:

• Can be used to accommodate food trucks to provide an alternative, innovative and varied food offering

• Temporary terraces can be set up in certain areas

A RETAIL UNIT ON THE FORECOURT WITH A TOTAL USABLE FLOOR AREA OF 225 SQ. M, A CATEGORY 5 NON-RESIDENTIAL BUILDING (ERP), open to the public with direct, secure access to the ground floor of the building, and the possibility of accommodating a restaurant.

A WIDE RANGE OF EVENLY DISTRIBUTED CATERING OPTIONS open all day long and capable of serving 1,640 meals per day:

• GF : Fast-service restaurant and canteen areas:- Fast-service restaurant: 180 covers- Canteen: 125 coffees/service period

• F1: Fast-service restaurant and canteen areas:- Fast-service restaurant: 180 covers- Canteen: 125 coffees/service period

• F2: Restaurant (themed stands): 660 covers (260 seats – table turnover rate: 2.5)

• F23: The Food Court- Burger Corner: 170 covers (85 seats – table turnover

rate: 2)- Food Pop Corner: 140 covers (70 seats – table turnover

rate: 2)- Garden Bar Corner: 140 covers (70 seats – table

turnover rate: 2)

• External retail unit accessible via the forecourt or via a covered corridor (shell and core): 170 covers

A RECEPTION AND EVENTS FLOOR ON LEVEL 5 (MAXIMUM CAPACITY OF 250 PEOPLE):

• Auditorium: minimum of 210 seats with an all-glass façade providing natural light

• Reception hall leading to the auditorium

• Possibility of creating a business centre and/or a travel lounge on the remaining 330 sq. m

LIFESTYLE AND HEALTH SERVICES:

• GF: a 60 sq. m area that can be used for a community management team and/or concierge service

• GF and F1: a mobile and flexible reception area thanks to various “pods” dotted across the lobby to prevent congestion

• F23: a Wellness/Fitness area covering roughly 500 sq. m, including changing rooms and various spaces suitable for:- well-being services, such as a hairdressers, beautician,

meditation and Qi Gong- group classes, such as yoga, pilates and boxing- equipment areas for treadmills, rowing machines,

bikes, a Queenax machine, etc.

• Unique relaxation/corporate areas on F36 and F37:- Terraces with a total floor area of roughly 340 sq. m,

protected from the wind and boasting unrivalled views across Paris.

- Possibility of creating a sky lounge, a members’ area or a reception area for clients, in particular thanks to provisional measures allowing for the creation of a semi-independent kitchen capable of up to 60 covers

MOBILITY: EXCELLENT ACCESS AND OPTIMIZED INTERNAL FLOWS HELPING TO INCREASE INTERACTION BETWEEN USERS

PARKING AREAS

• 47 private parking spaces, including 9 electric vehicle charging points and 6 outdoor spaces

• 46 spaces for two-wheel vehicles

• 269 private, secure bicycle rack spaces and men and women’s changing rooms

• Possibility of renting up to 370 spaces in the nearby public car parks (Ancre and/or Saisons car parks)

• Service spaces adjoining the forecourt which can be directly accessed from the ring road

• VIP and taxi access at LG2 level with direct access provided to the main floors via a built-in elevator

• Direct access to the building from the private car park

• Delivery dock located on Allée Louis Blanc at LG2 level with room to accommodate two vans.

INTERNAL FLOWS

• Elevators:- Elevator management by registered destination

control for optimum performance of the equipment- Installation of 8 double-deck elevators (16 elevator

cars in total) with a load capacity of 2 x 1,600 kg at a minimum speed of 6 m/s:. Seven double-deck elevators will serve all of the upper floors of Alto, from the GF to F37, with the exception of the technical maintenance rooms on F4.

. A separate double-deck elevator will serve levels LG2 through to F37. This elevator can be taken from the VIP access area on LG2 and provides access to all of the floors via an access control system.

• Goods lift- A standard goods lift serving all floors of the building

from LG3 to F38 with a load capacity of 2,500 kg and a speed of 2.5 m/s (car height of 2.4 m and doors measuring 1.1 m in width/2.5 m in height)

- A standard goods lift serving all floors of the building from LG3 to F38 with a load capacity of 800 kg and a speed of 2.5 m/s (car height of 2.5 m and doors measuring 90 cm in width/2.4 m in height)

- A standard goods lift with a load capacity of 630 kg and a speed of 1 m/s, serving the kitchens on the GF and F3 (car height of 2.3 m and doors measuring 90 cm in width/2.1 m in height)

- A standard goods lift with a load capacity of 630 kg and a speed of 1 m/s, serving the kitchens located on F2 and F3

- Elevating platform with a load capacity of 3,000 kg installed at the delivery dock level on LG2

• Escalators- Escalator with an inclination of 30° to 35° and a step

width of 1m between the GF and F1, in order to provide access to the upper cars of the double-deck elevators

- Escalator with an inclination of 30° to 35° and a step width of 1m between F1 and F2

- Variable voltage and variable frequency drive- Speed = 0.5 m/s, slow speed (or stop-start) mode

when not in use

0706

FOURNIR VISUEL SANS TEXTE POUR

RETRAVAIL PAR L'AGENCE

Cle

ar

he

igh

t o

f 2

.8 m

Four-pipe active chilled beam providing air conditioning/heating/ventilation

Double-skin ventilated façade/Every second window can be opened/Unit width 1.4 m

Adapters equipped with 3 regular sockets (2X16A + T) and provisional measures for 2 UPS sockets

Electric venetian blinds/ With wide blades/ Controlled locally and/or BMS

Multi-sensor system to manage lighting, blinds and temperature

Full LED lighting system managed by BMS, movement detectors, dimmable 300 lux throughout the office area

Heavy-duty, removable perforated metal ceiling tiles

Cable tray underfloor distribution for workstation power and networks Raised floor with underfloor

plenum height of 10 cm

Solid supporting wall/reduced

height of 50 cm

0908

Canteen

Lobby

Concierge

Canteen

Open space under double-height ceiling in lobby

Lobby

10

GF

Canteen

Lobby

Concierge

Mail room/Security station/Security room/Other rooms

Restrooms

O

E

S

N

F1

Canteen

Lobby

Restrooms

O

E

S

N

1110

Auditorium

Lobby

Business centre

Travel lounge

W

E

S

N

F5

Lobby

Business centre

Travel lounge

Auditorium

Lateral circulation areas

Restrooms

F17

W

E

S

N

Offices

Lateral circulation areas

Restrooms

1312

Food court

Wellness area

F23

W

E

S

N

Food court

Wellness/fitness area

Lateral circulation areas

Restrooms

14 15

Non-contractual document, project as at March 2018. Design & production:

Photo credits: IF Architectes, Illuminens, Kreaction, Majorelle.

4 PLACE DES SAISONS92400 COURBEVOIE

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