Addendum 1 Submittal for Sardar Girls High School, Kabul, Afghanistan

The document is an addendum to the original submission, dated March 21, 2011, and is submitted to the USAID Office of Infrastructure, Engineering, and Energy (OIEE-AESP). The document outlines the specifications for earthwork, excavation, and utility installation at the school site. The earthwork division (Section 31 00 00) is the primary focus of the document, with detailed requirements for excavation, grading, and backfilling. According to the document, satisfactory materials for grading comprise stones less than 75 mm in any dimension, with a liquid limit not exceeding 35 percent and a plasticity index not exceeding 12 percent. Unsatisfactory materials include man-made fills, trash, refuse, and materials that do not meet the specified density or contain root, organic matter, or frozen material. The document also defines various types of materials, including cohesionless and cohesive materials, hard/unyielding materials, rock, unstable material, select granular material, initial backfill material, expansive soils, and nonfrost susceptible material. The classification of excavation is based on the nature of the materials, with no consideration given to the type of material. All excavation will be designed to achieve a minimum degree of compaction of 90 percent, as determined by a Modified Proctor Test. The document includes references to various ASTM standards, including ASTM C 136, ASTM D 1140, ASTM D 1556, ASTM D 1557, ASTM D 2487, ASTM D 2937, ASTM D 422, and ASTM D 4318. These standards provide the basis for the testing and classification of materials, as well as the requirements for excavation and grading. The document is organized into various sections, including the table of contents, which lists the various divisions and sections of the document. The main sections of the document include earthwork, exterior improvements, utilities, and special construction. Overall, the document provides a comprehensive set of specifications for the site layout, grading, and utility installation at Sardar Girls High School in Kabul, Afghanistan. The document is intended to ensure that the excavation and grading work is performed in accordance with the required standards and specifications.