... Da District, Hanoi, Vietnam Tel: 84.4 73 6-7 055 Fax: 84.4 73 3-2 470 Website: www.qd-tek.com.vn Email: info@qd-tek.com ANSI/TIA/EIA 607 Commercial Building Grounding and Bonding Requirements ... DISTRIBUTORHead Office Suite 202, The Colonnade Building, 27 Nguyen Trung Truc St., District 1, Hochiminh City, Vietnam Tel: 84.8 82 3-1 693 Fax: 84.8 82 3-1 665 Hanoi Office A11, 3/Fl., Horizon ... all telecommunications closets and equipment rooms. A TBB design should take into account: • type of building construction, building size • the telecommunications requirements • the...