The assignment involves conducting a feasibility study and designing the conversion of 40 existing steel bridges to reinforced concrete (RCC) bridges, including the construction of new bridges. The project is supported by DFID and involves the replacement of Acrow/NATO steel bridges with Canadian Steel Bridges provided by the Pakistan Army. The aim is to improve the communication network in the Swat District of Khyber Pakhtunkhwa, Pakistan, by providing all-weather routes.
Narrative Description of Project
The Communication & Works Department of District Swat in Pakistan has contracted SES to carry out the assignment to convert 40 existing steel bridges to reinforced concrete (RCC) bridges, as well as the construction of new bridges in the Swat District of Khyber Pakhtunkhwa, Pakistan. The project is being undertaken with the support of DFID (Department for International Development) and involves replacing the current Acrow/NATO steel bridges with Canadian Steel Bridges provided by the Pakistan Army. The primary objective of this endeavor is to improve the communication network in the region by establishing all-weather routes.
The project’s narrative emphasizes the significance of the initiative, which aims to enhance the communication network in the Swat District by creating robust and resilient infrastructure. The conversion of the existing steel bridges to RCC bridges will ensure greater durability, improved load-bearing capacity, and enhanced safety for vehicles and pedestrians. Additionally, the construction of new bridges will contribute to expanding the connectivity within the district and facilitate smoother transportation even during adverse weather conditions.
Description of Actual Services Provided
SES, the contracted firm, has provided the following services:
a. Detailed Design
Prepared detailed structural drawings and design plans, Bill of Quantities (BOQ’s), specifications, and engineering estimates using AASHTO (American Association of State Highway and Transportation Officials) and British Road Note No.31 standards .
b. Reconnaissance Survey
Conducting an initial survey to gather information and assess the existing conditions of the bridges.
c. Topographic Survey
Performing a survey to determine the precise elevation and features of the project site.
d. Soil Investigation
Conducting soil tests and analysis to assess the soil properties and suitability for construction.
e. Hydrological Survey
Conducting a survey to study and analyze the water flow patterns and characteristics in the project area.
f. Geometric Studies
Analyzing the geometrical aspects of the project, such as road alignment, cross-sections, and gradients.
g. Structural Design
Developing the design for the RCC bridges, ensuring structural stability and compliance with safety standards.
h. Geotechnical Investigations
Conducting further investigations to gather geotechnical data and assess the ground conditions for construction.
i. Protection/Training Works
Designing measures to protect the bridges and providing training on their maintenance and upkeep.
j. Tender Documentations
Preparing the necessary documents for the tendering process, including technical specifications and contract terms.
k. Construction Documentations
Preparing detailed documentation to guide the construction process, including construction drawings, schedules, and specifications. SES has also provided detailed construction supervision throughout the project to ensure compliance with the design plans, quality control, and adherence to construction standards.