China - Hebei Earthquake Rehabilitation Project

Document of The World Bank Report No. T-7233-CHA TECHNICAL ANNEX THE PEOPLE'S REPUBLIC OF CHINA HEBEI EARTHQUAKE REHABILITATION PROJECT May 4, 1998 Urban Development Sector Unit East Asia and Pacific Regional Office  CURRENCY EQUIVALENTS (As of March 1, 1998) Currency = Renminbi Currency Unit = Yuan (Y) Y 1.00 = $0.12 $1.00 Y 8.3 FISCAL YEAR January 1 - December 31 UNITS OF MEASURES 1 meter (m) = 39.37 inches 1 kilometer (km) = 0.62 miles 1 hectare (ha) = 2.47 acres ACRONYMS AND ABBREVIATIONS HP Hebei Province HPG Hebei Provincial Government MOF Ministry of Finance PMO Project Management Office ZM Zhangjiakou Municipality ZMG Zhangjiakou Municipal Government Vice President: jean-Michel Severino, EAP Country Director: Yukon Huang, EACCF Sector Manager: Keshav Varma, EASUR | A ask Manager: Wiebe Moes, Municipal Engineer, EASUR  CHINA HEBEI EARTHQUAKE REHABILITATION PROJECT TECHNICAL ANNEX Annex 1: Background and Damage Assessment ..................................................1 Annex 2: Project Description and Organization ..................................................6 Annex 3: Housing and Public Building Practices, Model Designs and Construction Aspects ..................................................11 Annex 4: Water C'onservancy Facilities ................................................. 25 Annex 5: Regeneration of Agricultural Productivity ................................................. 35  - 1 - ANNEX 1 ANNEX 1: BACKGROUND AND DAMAGE ASSESSMENT Introduction 1. At 11.50 am on January 10, 1998 an earthquake of magnitude 6.2 on the Richter scale occurred on impoverished rural areas on Bashang plateau in Zhangjiakou Municipality. The epicenter was at the border of Zhangbei and Shangyi counties at latitude 41.100 andL longitude 114.300. The earthquake was followed by a large number of aftershocks, with a total of 481 being recorded in the week following the earthquake. Fifteen of these measured over 4.0 on the Richter scale. 2. Zhangjiakou Municipality consists of the Bashang plateau in the north, bordering on Inner Mongolia, and the Baxia plain to the south. The total area of the municipality is 36,873 square kilometers (km2), containing a total population of 4.4 million. There are four counties located on the Bashang plateau-Zhangbei, Guyuan, Kangbao and Shangyi, with a total area of 12,480 km2. The altitude of the plateau varies from 1,300 to 1,600 meters (m) above sea level. The average annual temperature on the plateau is 2.6