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Drainage and Flood Protection - Services

Our company offers extensive Drainage and Flood Protection services, providing end-to-end solutions from master planning and feasibility studies to detailed design and public engagement. We specialize in designing critical infrastructure like flood barriers, drainage systems, pumping stations, and retention ponds for urban, coastal, and riverine environments. Our expertise includes comprehensive studies, evaluating existing systems, and preparing all necessary documentation for effective implementation of flood mitigation strategies.

2010-2013

Surat Thani Flood Protection Project


This project involved providing comprehensive consultancy services for the Flood Protection Suratthani Project in Surat Thani Province, Thailand. Undertaken for the Department of Public Works and Town & Country Planning, with a contract value of 20.00 Million Baht, the project ran from July 2010 to June 2013. SPAN Company Limited was part of a consortium with Boonpanya Technology Co., Ltd. (BPT) for this critical initiative.

The scope of services encompassed a multi-faceted approach to flood mitigation. This included a master plan study and a feasibility study to assess the viability and optimal strategies for flood protection. A crucial aspect of the project was facilitating public participation meetings, ensuring community engagement and feedback were integrated into the planning process.

Furthermore, the consortium was responsible for surveying and detailed design of essential infrastructure, including roads, bridges, drainage systems, and the overall flood protection system. The work also extended to the preparation of cost estimates and tender documents, streamlining the subsequent implementation phases of this vital flood protection endeavor for Surat Thani Province.

2009-2011

Trang Flood Protection Project


This project involved providing comprehensive consultancy services for the Flood Protection Trang Project in Trang Province, Thailand. Commissioned by the Department of Public Works and Town & Country Planning, the applicant's contract was valued at 18.50 Million Baht, with the project spanning from September 2009 to 2011. SPAN Company Limited was a key member of a consortium that also included Final Design Consultant Co., Ltd. (FDC) and Boonpanya Technology Co., Ltd. (BPT).

The scope of consultancy services was extensive, beginning with a master plan study and a feasibility study to lay the groundwork for effective flood mitigation strategies. A crucial element of the project involved actively arranging for public participation meetings, ensuring that community input and concerns were integrated into the planning and design phases.

Beyond the initial studies and public engagement, the consortium's responsibilities included surveying and detailed design for essential infrastructure. This encompassed roads, bridges, drainage systems, and the overall flood protection system. Additionally, the project involved the preparation of cost estimates and tender documents, facilitating the procurement and implementation of the necessary works to enhance flood resilience in Trang Province.

1995-1996

King's Dike Flood Protection System Project, Bangkok


This significant project focused on the Flood Protection System King's Dike Project located in the eastern area of the Bangkok Metropolitan Administration (BMA), covering a total area of 700 square kilometers. Commissioned by the BMA with its own budget, the applicant's contract was valued at 79.8 Million Baht, with the project carried out between 1995 and 1996. SPAN Company Limited was a key member of the consortium, collaborating with Netherlands Engineering Consultants (NEDECO) and Water Development Consultants Co., Ltd. (WDC).

The primary purpose of the project was to review previous studies and to propose measures and methods to improve the drainage and flood protection system within this critical area. Urgent sites requiring immediate attention were identified, and detailed designs were developed for these locations.

The scope of work was comprehensive, including a detailed survey of existing flood barriers and primary klongs (canals). The consortium was responsible for the preparation of engineering drawings for flood barriers and drainage systems, along with corresponding cost estimations. The detailed design phase specifically encompassed drainage systems, pumping stations, and retention ponds, all supported by robust cost estimation and tender document preparation to facilitate the subsequent implementation of these vital flood protection measures for Bangkok.

1998-1999

Flood Protection System - Samut Prakan


This project focused on developing a flood protection system for Samut Prakan province, specifically targeting the east and west bank areas, which cover approximately 350 square kilometers. Commissioned by the Public Works Department, Ministry of Interior, the applicant's contract was valued at 20.00 Million Baht, with the project conducted between 1998 and 1999. SPAN Company Limited was part of a consortium that also included Water Development Consultants Co., Ltd. (WDC) and Vega Engineering Consultants Co., Ltd.

The primary objective of this initiative was to improve the primary drainage system by leveraging existing klong (canal) networks. Following initial studies, a Master Plan for the drainage system was prepared, and urgent works identified within this plan proceeded to detailed design.

The scope of work for the consortium was comprehensive. It involved an evaluation of the existing flood protection systems and the tender design of the primary drainage system, complete with cost estimation. The detailed design phase specifically included klong improvements and pumping stations design, further supported by thorough cost estimation and tender document preparation, all aimed at enhancing flood resilience in Samut Prakan.

1996-1997

Flood Protection System - Ayutthaya


This project involved the development of a flood protection system for the Sri Ayutthaya Municipal area and its vicinity communities in Ayutthaya, Thailand, covering a total area of 56 square kilometers. Commissioned by the Public Works Department, Ministry of Interior, the applicant's contract was valued at 17.8 Million Baht, with the project conducted between 1996 and 1997. SPAN Company Limited was part of a consortium, collaborating with Vega Engineering Consultants Co., Ltd.

The primary purpose of the project was to prepare a preliminary design for the flood protection system, evaluate each proposed system, and then select urgent systems for detailed design. This strategic approach aimed to prioritize and efficiently address critical flood vulnerabilities within the area.

The scope of work included the preparation of a Master Plan for 27 communities within Phra Nakhon Si Ayutthaya province. Additionally, the consortium was responsible for the detailed design of flood barriers and the drainage system, along with comprehensive cost estimation and tender document preparation. These efforts were crucial in establishing a robust flood protection framework for the historical city and its surrounding communities.

1996-1997

Chao Phraya Flood Wall Project, Bangkok


This project involved the design of the Chao Phraya Flood Wall in Bangkok, focusing on the stretch between Klong Bangkok Noi and Klong Maha Sawat. Commissioned by the Bangkok Metropolitan Administration (BMA) and funded by its budget, the applicant's contract was valued at 44.9 Million Baht, with the project conducted between 1996 and 1997. SPAN Company Limited was part of a consortium with Water Development Consultants Co., Ltd. (WDC) for this critical flood protection initiative.

The core objective was to design flood barriers along the east and west banks of the Chao Phraya River, extending from the northern to the southern boundaries of the BMA, and also along the west bank of Klong Bangkok Noi. Various alternative alignments for these flood barriers were prepared and evaluated, with the most suitable option selected for detailed design.

The scope of work was comprehensive, including a detailed survey and the preparation of landfill and layout plans along both the Chao Phraya River bank and Klong Bangkok Noi bank. The detailed design phase specifically encompassed the flood barriers themselves, the associated drainage system along the flood barrier, and crucial support in the form of cost estimation and tender document preparation. These efforts were vital for safeguarding Bangkok from the Chao Phraya's floodwaters.

1986-1987

Master Plan for Flood Protection and Drainage System: Thonburi and Samut Prakan West


This project focused on developing a Master Plan for Flood Protection and Drainage System for the Thonburi and Samut Prakan West areas of Thailand, covering urban, industrial, and agricultural zones totaling approximately 470 square kilometers. Commissioned by the Bangkok Metropolitan Administration (BMA) with its own budget, the applicant's contract was valued at 16 Million Baht, and the project ran from 1986 to 1987. SPAN Company Limited was part of a consortium with Netherlands Engineering Consultants (NEDECO).

The primary purposes of the project were comprehensive. These included an assessment of damages and losses resulting from flooding, an evaluation of the effectiveness of existing flood protection and drainage facilities, and ultimately, the formulation of a master plan for the integrated flood protection and drainage system.

The project's scope included the detailed design of flood barrier structures along existing road and railway embankments, totaling approximately 100 kilometers of various barrier types. These barriers were designed to protect an area of about 350 square kilometers against flooding. Furthermore, the consortium prepared the master plan for the entire 135 square kilometers of the project area. This plan incorporated gravity drainage regulation for the southern parts, while the northern parts required supplementary pumping stations in addition to a system of dredged canals with regulators, dams, and gates.

1994-1995

Coastal Protection Project, Gulf of Thailand


This significant project focused on developing a coastal protection plan for the Gulf of Thailand coastline, addressing erosion along its 1800-kilometer length. Commissioned by the Public Works Department, Ministry of Interior, the applicant's contract was valued at 13.17 Million Baht, with the project conducted between 1994 and 1995. SPAN Co., Ltd. was a key member of a consortium that included Netherlands Engineering Consultants (NEDECO) and Water Development Consultants Co., Ltd. (WDC).

The comprehensive scope of services involved initial data and information collection, followed by in-depth study and analysis of the gathered data. The ultimate goal was to propose effective erosion preventive measures and to prepare a holistic coastal protection plan for the entire coastline.

The study was strategically divided into two parts. Part I concentrated on the Gulf of Thailand, with an emphasis on collecting and analyzing physical data, assessing coastal morphology and socio-economic conditions to accurately describe the prevailing situation, and identifying specific erosion sites. Part II focused on the Southern Coastline of the Gulf of Thailand. This part involved prioritizing erosion sites, conducting detailed coastal morphology studies for three selected sites, proposing suitable coastal structures to alleviate erosion at these chosen locations, and finally, preparing the detailed design for these coastal structures, including tender documents and cost estimates.

1994-1995

Mekong River Bank Erosion Study Project


This project involved comprehensive studies and design for Mekong River bank erosion protection along the right bank in North-East, Thailand. Conducted for the Public Works Department, Ministry of Interior, with an applicant's contract value of 45.89 Million Baht, the project ran from 1994 to 1995. SPAN Co., Ltd. was a key member of the consortium, alongside Netherlands Engineering Consultants (NEDECO) and Water Development Consultants Co., Ltd. (WDC).

The core objective was to identify the type and extent of river bank erosion problems and to design river bank protection works on a priority basis for both short and long-term implementation. The studies were extensive, including site surveys and data collection that covered topographic, hydrometric, bathymetric, geologic, and geotechnical information. This data was then utilized in mathematical models to enhance the accuracy of relevant design parameter estimations.

The study had two main objectives: a short-term component that focused on selecting priority locations for the detailed design of protective works for immediate implementation, and a medium-term component that involved preparing a program for the phased implementation of river bank protection works. SPAN engineers were heavily involved throughout, participating in field investigations and office design of various types of river bank protection works, as well as in hydraulic, geotechnical, and structural engineering investigations and designs.