Civil Air Defense Engineering Construction and Acceptance Code GB50134-2004

Author: Shenyang Municipal People's Air Defense Engineering Design and Research Institute
Publisher: China Planning Press
Publication Date: 2004-07-01
Features: According to the requirements of the National People's Air Defense Office [2001] National People's Air Defense Office No. 51 document, the "Code for Construction and Acceptance of People's Air Defense Projects" GBJ134-90 was revised. This code consists of eleven chapters, with its main contents including: General Provisions, Terms, Tunnel and Underground Passage Excavation, Construction in Poor Geological Conditions, Top-Down Construction, Reinforced Concrete Construction, Pipe Jacking Construction, Shield Construction, Fabrication and Installation of Portal Protection Facilities, Installation of Pipes and Accessories, and Equipment Installation, etc. The main revisions to this code include: Adding a chapter on Terms. Adding a chapter on Top-Down Construction. Adding provisions for shotcrete support in tunnel and underground passage excavation. Adding provisions for reinforcement fabrication, pumped concrete, and mass concrete construction. Adjusting and supplementing requirements for the installation and protective functions of blast-proof wave gates, rubber hose gates, blast-proof overpressure exhaust gates, and automatic exhaust gates, as well as the wartime-to-peacetime conversion of protective functions. Adding content on the installation of ventilation fans, dehumidifiers, noise reduction equipment, and transformers. Combining equipment installation, anti-corrosion, noise reduction, fireproofing, and acceptance requirements for equipment installation projects into one chapter.