The ra15 a.s. is an architectural studio formed by a merger of two offices established in 2005, Rala and ATELIER 15, both with a long history in the field of architecture and urban planning. The common portfolio represents the realization of projects of all ranges and typologies. From interiors through building complexes to large urban structures. The company provides comprehensive architecture and urban planning services covering all the performance phases of all design process. Projects are developed from a first sketches to the final construction.



Ing. arch. Radek Lampa

ČKA 2457


education and professional background

1983–1988 / Faculty of Architecture, Czech Technical University in Prague

1988–1990 / Regional Institute in Prague, architect

1990–2000 / AP Studio, architect, collaboration with Josef Pleskot

2000–2005 / FACT Studio, design partner

2005–2017 / rala s.r.o., partner, director of design

2017–to date / ra15 a.s., partner, director of design


pedagogical activity

2014–to date / Faculty of Architecture, CTU Prague, associate professor

Ing. Libor Hrdoušek

ČKAIT 0007069

civil engineer

education and professional background

1986–1992 / Faculty of Civil Engineering, Czech Technical University in Prague

1993–1999 / Omicron-K Studio, civil engineer

1999–2003 / FACT Studio, partner, director of engineering

2003–2017 / atelier 15 s.r.o, partner, director of engineering

2017–to date / ra15 a.s., partner, director of engineering



pedagogical activity

2016–2017 / Faculty of Civil Engineering, CTU Prague, lecturer


2019 / 2nd place in the competition – Praha-Veleslavín Railway Station – Správa železniční dopravní cesty

2019 / 1st place in the competition – Residence Nádraží Žižkov – Penta Real Estate

2019 / Reward in the competition – Špitálka Brno

2018 / Urbanistic Project of the Year – Master Plan of Vaclav Havel Airport Prague

2017 / Office of the Year – Winner in  category of  Financial Institutions – PPF Gate fit out – Air Bank

2016 / 1st place in the competition – Public area in front of Terminals 1 and 2 Václav Havel Airport Prague – IPR Prague

2004 / Piranesi Award – honorable mention – Consulate General of the Czech Republic in München

2000 / Grand Prix of the Society of Czech Architects – award – Residential House in Horažďovice

1995 / Grand Prix of the Society of Czech Architects – honorable mention – Villa in Vrané nad Vltavou

1995 / Grand Prix of the Society of Czech Architects – honorable mention – Reconstruction of Lion Courtyard at the Prague Castle

1995 / Grand Prix of the Society of Czech Architects – main award – Town Hall in Benešov

1993 / Grand Prix of the Society of Czech Architects – honorable mention – Megafyt R 1 Factory in Vrané nad Vltavou




Ing. David Hřebačka

2002 / Faculty of Civil Engineering, CTU Prague

2004–2007 / FACT Studio

2007–to date / ra15


Ing. arch. Gabriela Andresová

2009 / Faculty of Architecture, CTU Prague

2010–to date / ra15


Ing. arch. Tomáš Kroužil

2016 / Faculty of Architecture, CTU Prague

2014–to date / ra15


Ing. arch. Pavel Fajfr

2016 / Faculty of Architecture, CTU Prague

2013–2015 / DLstudio

2016–to date / ra15


Ing. arch. Jiří Ptáček

2016 / Faculty of Architecture, CTU Prague

2014–2016 / monom works

2016–to date / ra15


Ing. arch. Kateřina Havlová

2013 / Faculty of Civil Engineering, CTU Prague

2013–2014 / MS Architects

2014–2015 / Petr Kocourek Architect

2015–2017 / Dvořák Architects, Prague

2017–to date / ra15


Ing. arch. David Buroň

2017 / Faculty of Architecture, CTU Prague

2016 / City Upgrade

2017–to date / ra15


Ing. arch. Dominika Klavrzová

2017 / Faculty of Civil Engineering, CTU Prague

2018–to date / ra15


Ing. arch. Pavla Janečková

2018 / Faculty of Architecture, CTU Prague

2016–2018 / gogolák+grasse, Prague

2018–to date / ra15


Bc. Oleg Kovalyuk

2015–to date / Faculty of Architecture, CTU Prague

2018–to date / ra15


Building structures

Ing. Karel Janoch / d plus a.s.

Ing. Jaroslav Langer / LangerConsulting s.r.o.

Ing. Bohumil Kučera / JEKU s.r.o.

Ing. Jan Seifert / Konstat s.r.o.

Ing. Miloslav Smutek Ph.D / RECOC spol s.r.o.

Ing. Miroslav Dušek / FG Consult s.r.o.

Ing. Jiří Smolař


Fire safety

Ing. Pavel Dachovský / Ampeng s.r.o.

Ing. Jaroslav Šmat / Ampeng s.r.o.

Ing. Pavol Ondruš / Po-projekt, s.r.o.

Ing. Petr Havlíček

Ing. Jan Tománek / PROPBS

Ing. Jaroslav Laurin

Ing. Petr Čihula / MS Praha s.r.o.


Traffic solutions

Ing. Tomáš Vejražka / PPU spol. s.r.o.

Ing. Tomáš Kapal / FanIT s.r.o.

Ing. Josef Filip / Projekce dopravní s.r.o.

Ing. Malina / Ateliér DUA, s.r.o.

Ing. Jana Pechová


Sanitary installations

Josef Drbohlav M.Sc. / Sweco Hydroprojekt a.s.

Ing. Karel Urban / Sweco Hydroprojekt a.s.

Ing. Dagmar Kubová / Sweco Hydroprojekt a.s

Ing. Jan Šetelík / Šetelík Oliva s.r.o.

Ing. Robert Oliva / Šetelík Oliva s.r.o.

Ing. Pavel Míka / Instalprojekt

Ing. Patrik Hrdina

Hubert Faber


Heating and cooling

Ing. Tomáš Hauser / SYB s.r.o.

Ing. Tomáš Vacek / TP3 s.r.o.

Ing. Pavel Míka / Instalprojekt

Ing. Jan Myšička / SYB s.r.o.

Ing. Přemysl Stein / RTCH Consult s.r.o.

Ing. Miloš Krotil / Envirotech s.r.o.

Electrical installations

Ing. Pavel Dík / Techniserv spol s.r.o.

Ing. Jaroslava Matoušková /  Techniserv spol s.r.o.

Ing. Martin Frühauf

Ing. Milan Vávra / IMV elektro

Martin Počta

Ing. Pavel Stojan / Designel projekce

Ing. Pavel Štrébl / PROiS


HVAC systems

ing. Martin Pulec / KPS-VZT s. r.o.

ing. Michal Sekyrka / KPS-VZT s. r.o.

ing. Tomáš Vlasák / SYB s.r.o.

Ing. Jiří Kejmar / SYB s.r.o

Jan Šťastný


Measurement and control

Ing. Jana Žemlová

Ing. Ondřej Váňa / OK Control s.r.o.

Ing. Milan Klášterka / Envirotech s.r.o.

Ing. Bican / Aplika s.r.o.


Electronic fire alarm

Ing. Martin Frühauf

Michal Eliáš / Me-servis

Ing. Miloš John


Garden and landscape architects

Ing.arch. Lucie Vogelová / Terra Florida

Ing. Zuzana Štemberová / Terra Florida

Ing. Věra Vokálová

Ing. Eva Vízková

Ittec s.r.o.



Oldřich Krejčí

Jan Štěpán


Project budget

Jan Kryšpín

Ing. Rostislav Živný

Ing. Zdeněk Beran


Ing. arch. Agáta Kosinová

Ing. arch. Jan Malinovský

Ing. arch. Zlatuše Volkovjáková

Ing. arch. Jan Mackovič

Ing. arch. Matěj Barla

Ing. Otakar Berdych

Ing. arch. Petra Pelešková

Ing. arch. Petr Šindelář

Jakub Killnar

Ing. arch. Michala Malánová

Ing. arch. Luděk Černý

Ing. arch. Vojtěch Hajný

Ing. arch. Adam Trefil

Ing. arch. Lucie Látalová

Ing. arch. Klára Císařovská

Ing. arch. Zuzana Urbancová

Ing. arch. Tomáš Beránek

Ing.arch. Ondřej Mašek

Ing. arch. Robert Jelínek

Ing. Zdeněk Cigánek

Ing.arch. Josef Brabec

Petr Šrom

Ing. arch. Jan Macourek

Ing. arch. Kristine Grigoryan

Ing. arch. Tereza Lejčarová

Ondřej Vašek

Ing. arch. Ladislav Tejkl

Ing. arch. Jindřich Svatoš

Eliška Furišová