Civil Air Defense Engineering Construction and Acceptance Code

Author: Shenyang Municipal Engineering Design and Research Institute for Civil Air Defense (Editor-in-Chief)
Publisher: China Planning Press
Publish Date: 2004-07-01
Features: According to the requirements of the National Civil Air Defense Office [2001] National Civil Air Defense Office No. 51 document, the "Code for Construction and Acceptance of Civil Air Defense Projects" (GBJ134-90) was revised. This code consists of eleven chapters, with its main contents including: General Provisions, Terminology, 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 Terminology. Adding a chapter on Top-Down Construction. Adding provisions for shotcrete support in tunnel and underground passage excavation. Adding provisions for steel bar fabrication, pumped concrete, and large-volume 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 ventilators, dehumidifiers, sound-absorbing equipment, and transformers. Combining equipment installation, anti-corrosion, sound absorption, fireproofing, and acceptance requirements for equipment installation projects into one chapter.