Messay Final

Topics: Concrete, Tensile strength, Strength of materials Pages: 54 (8131 words) Published: May 28, 2015
1. HISTORICAL BACKGROUND OF TCDSCo

Transport consulting design share company (TCDSCo) is a full fielded state owned consulting firm that deals with the design and construction supervision of road, bridges and airports. The company is established in august 1987. Before its establishment as an independent consulting firm TCDSCo had been a division under Ethiopian roads authority.

The main purposes of its establishment are the following:-

To engage in the activities of surveying and designing of transportation works. The company has now diversified its activities to include design of buildings, water works and other civil engineering works. To engage in construction material testing and geotechnical investigation for building dams etc… To render consultancy services in construction supervision and contract administration. To engage in any other related activities necessary for the attainment of its purposes.

TCDSCo is located at the center of Addis Ababa around Mexico, behind Ethiopian road authority (ERA). The company has attained more than 40 years of experiences particularly in photogrammetry, surveying, design, materials investigation and testing and, construction supervision with regard to roads, bridges and airports. It has also acquired substantial experience in design of buildings, water works and other civil engineering works.

The firm has extended its efforts to give better services with technically advanced systems and equipment. Besides, it has a total staff of 466 among which most of them are qualified professionals with various disciplines of engineering.

TCDSCo is registered as an independent consulting firm by:-
International bank reconstruction and development (world bank, Washington D.C) United nation development programmer (UNDP: New York)
African development bank (ADB, Abidjan)
Islamic development bank (IDB, Jeddah, Saudi-Arabia) and
European commission (EC)

1.1. VISION OF THE SHARE COMPANY

To be one of the leading international consultants in the field of civil engineering works.

1.2. MISSION OF THE SHARE COMPANY

To render design and construction supervision services for civil works with care, diligence and in strict accordance with professional standard that ensure satisfaction of clients.

1.3. MAJOR SERVICES

The major activities of the company and distributed among the following three functional and two support giving departments:-

Contact formulation and business development department
Design department
Construction supervision department
Service delivery improvement department
Administration and finance department

1.3.1 CONTRACT FORMULATION AND BUSINESS DEVELOPMENT
DEPARTEMENT

Activities carried on in this department include:-

Preparation of technical and financial proposals and contract documents Preparation of tender documents engineering cost estimates
Tendering construction contracts and analysis of bids
Monitoring the process of projects
Business environment assessments
Documentation and library services
Strategic planning of the company

1.3.2 DESIGN DEPARTEMNETS

1.3.2.1 SURVEY DIVISION

Surveying division is mainly responsible for:-
Photogrammetric and ground survey works including areas photo reproductions; Location survey
Drainage survey
Date processing for design and
Topographic map and hydrographic studies
The highly experienced photogrametrists and surveyors of the company have the ability to select the safest and most economical routes.

1.3.2.2 GEOTECHNICAL ENGINEERING DIVISION

The major activities of this division are:-
1. Field investigation
Traffic survey
Soil and material investigation
Pavement design
Pavement evaluation and land slide investigation
Geotechnical investigation for bridges, dam-sites, buildings and other exploratory works.

2. Material testing

Laboratory testing of soil, aggregates, concrete, asphalt and...
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