Document Summary: Beles13.pdf

Project Overview

This document appears to be related to the Tana Beles Project - Part 2, focusing on:

• Survey and mapping activities conducted in March 1987
• Regulating works for a water management system
• Cross-sections of river channels and canals
• Topographic profiles and elevation data

Key Components

1. Survey Data

• Multiple cross-sections at various chainages (e.g., 0+00 to 1+493)
• Ground level measurements and soil type classifications
• River profiles (left, right, and along dam axis)

2. Mapping Information

• Scale references (1:500, 1:600, 1:1000, etc.)
• Legend and key map details
• Plan and profile views of tunnels and canals

3. Project Details

• References to Lake Tana and Gilgel Abay River
• Bridge construction notes
• Regulating works specifications

Technical Specifications

The document contains numerous technical drawings and measurements including:

• Elevation data in meters
• Chainage measurements (distance along the alignment)
• Ground level vs. distance relationships
• Soil type classifications at various points

Document Structure

The 81-page document includes:

• Title pages with project identification
• Technical drawings and cross-sections (majority of content)
• Survey notes and legends
• Revision history and issue tracking
• References to Ethiopian Mapping Agency

Key Observations

• Document appears to be part of a larger water resource or hydroelectric project
• Contains both textual information and graphical representations
• Some pages show OCR/text recognition errors suggesting scanned originals
• Multiple references to March 1987 survey data