Projects Projects Our Projects Gallery PT. Bumi Tirta Abadi Now Servicing Bali as well as Surabaya with over 15 years in the industry based in Surabaya, we bring our wealth of experience to Bali. Contact Us PT. Bumi Tirta Abadi Our Offices : Jl. Dewi Saraswati 101 – No.6 Seminyak – Bali Wonosari IV / 7 (60153), Surabaya – East Java Phone : 085 230 684 535 – Fience 081 339 554 555 – Jim 031-371 2309 Email : fiena1811@yahoo.com btajim1@yahoo.com