New LNG Receiving Terminal, Rayong

This project involved the tender and detailed design, as well as construction engineering services, for the marine structures of a new LNG Receiving Terminal in Baan Nong Fab, Rayong, for PTTLNG Company Limited. Valued at 38,500 Million Baht, with the consultant's contract at 12.026 Million Baht, the project ran from December 2018 to May 2021 (2561-2564 in the Thai calendar). The NSC Consortium (NSC and SPAN) was responsible for the marine civil works.

The core of the marine infrastructure included an approximately 5-kilometer-long approach jetty trestle, featuring a 24-meter typical span length and a 5-meter-wide roadway. This trestle, supported by 1.60-meter-deep precast prestressed concrete I-girders, connects the onshore LNG receiving terminal to the jetty head. At the jetty head, two berth structures were designed, complete with essential berthing facilities such as unloading arms, a gangway tower, and mooring and breasting dolphins. A separate platform houses the Jetty control room, overseeing all structures in the berth platform area. Additionally, tie-in structures were included to connect LNG main pipes from Berth #2 to the onshore terminal, bridging operations until Phase II commences.

The project also encompassed the design of both onshore and offshore seawater intake and outfall structures. These facilities utilize double concrete tunnels (3.20 meters in diameter, 1350 meters long) constructed via the pipe-jacking method for intake. After processing at the terminal plants, the seawater is discharged back into the sea through another set of double concrete tunnels (3.20 meters in diameter, 1150 meters long) and a 400-meter-long steel diffuser pipe. Furthermore, the project included the design of a reinforced concrete retaining wall, measuring 7.75 meters in height and 575 meters in total length.

PTTLNG Berth No. 3 Modification Project: Marine Civil Works

This project involved upgrading Berth No.3 at the PTTLNG Map Ta Phut LNG Receiving Terminal in Rayong, Thailand. Owned by PTTLNG Company Limited, the project, valued at 150 Million Baht with a consultant's contract of 9 Million Baht, commenced in April 2020 and was completed by July 2020. The primary goal was to enhance the berth's capacity to accommodate larger small-scale LNG carriers.

Originally designed for vessels up to 65 meters in length and a 6.5-meter draft, the upgrade allows Berth No. 3 to handle LNG carriers with an overall length of 140 meters and a maximum draft of 8.5 meters, even under challenging environmental conditions. This significant improvement was based on a comprehensive FEED (Front-End Engineering Design) study.

The scope of marine civil works included the addition of two new breasting dolphins (BD4, BD5) and four new mooring dolphins (MD3, MD4, MD5, MD6). The project also incorporated eight spans of catwalks to connect both existing and new dolphins, updated fender systems, double quick release mooring hooks (QRH), and a cathodic protection system for the steel piles, ensuring the longevity and operational efficiency of the upgraded berth.

Interconnecting Pipeline PTTLNG Terminal T-1 & T-2

Span provided engineering services for the Interconnecting Pipeline between PTTLNG Terminal T-1 and T-2 in Rayong, Thailand, owned by PTTLNG Company Limited, with a contract value of 2.4 million Baht. The project, conducted from February to May 2021, included the preparation of pipeline alignment sheets and detailed engineering design of new pipe racks.

The scope involved a topographic survey along the 11 km pipeline route from Map Ta Phut to Nong Fab, establishing ground control points, surveying the entire route including existing pipe racks, and preparing topographic maps with pipeline alignment sheets and typical pipe rack sections.

A geotechnical survey was also conducted at locations of new pipe racks and HDD segments, which included soil boring at several points (3 boreholes at Pipe Rack 16, 6 boreholes at Pipe Rack 12, and 2 boreholes in Nong Fab), laboratory testing of soil samples, and the preparation of a geotechnical report.

PTT Platform Compression Facilities Project

This project involved the installation of three turbine/compressor packages on the existing PTT Riser Platform (PRP) in the Erawan field, Gulf of Thailand. Owned by PTT Public Company Limited, with Punj Lloyd Group Joint Venture as the contractor, this EPC (Engineering, Procurement, and Construction) project had a value of $130 million and took place from 2010 to 2012. The primary objective was to increase the delivery capacity of gas volume to PTT's Gas Separation Plants in Rayong, anticipating the availability of new gas fields.

Beyond the compressor units, the project also included adding a new 3 MW medium voltage Gas Turbine Generator to serve as a backup power source for the existing generator. The three Gas Turbine/Compressor units were procured by PTT and stored in a Sriracha warehouse, with the EPC Contractor responsible for their transportation to the fabrication yard and subsequent shipment to the PRP.

Fluor Daniel Eastern, Inc. was awarded the Project Management and Engineering Consultancy (PMC) contract. Their responsibilities encompassed comprehensive project management, including detailed design review, planning, contract administration, quality control, HSE monitoring and auditing, construction management, and commissioning. SPAN's technical personnel worked collaboratively with Fluor, filling key roles such as Construction Manager, Start-up & Commissioning Supervisor, Project Controls Manager, and various lead discipline engineers and QC inspectors. Work was carried out across the Bangkok office, the fabrication yard in Sriracha, and offshore on the PRP Platform.

PTTLNG Jetty Development and LNG Receiving Terminal Project

This significant project involved the construction of an LNG Receiving Terminal on reclaimed land within the Map Ta Phut Industrial Estate in Rayong, Thailand. Owned and financed by PTTLNG Company Limited, with a consortium of GS/KOGAS/HYC/DEC as the contractor, the project was valued at $550 million. SPAN's contract portion amounted to 182 Million Baht out of an 870 Million Baht applicant's contract. The project spanned from 2006 to 2011, with Fluor Daniel Eastern, Inc. serving as a joint venture partner in the Project Management and Engineering Consultancy (PMC).

The terminal was designed for phased development, with an initial capacity of 5 million tons per annum (MTPA) and an ultimate capacity of 10 MTPA. The project comprised three main components: Marine Facilities, including the jetty and LNG unloading system; LNG Storage Tanks; and Regasification Facilities.

Fluor Daniel Eastern, Inc., as the PMC, provided services in two phases. Phase I involved verifying the owner's basic design, preparing front-end engineering, and offering project support, notably assisting in the selection of the Engineering, Procurement, and Construction (EPC) Contractor. In Phase II, the PMC's responsibilities expanded to full project management, encompassing planning, contract administration, quality control, HSE monitoring and auditing, construction management, and commissioning. SPAN contributed local engineering and administrative support throughout the project, specifically handling civil/structural/architectural/electrical systems in Phase I and assigning personnel to collaborate with Fluor's team in Phase II.

PTT Ethane Separation Plant Project

This project, valued at $450 million, involved the installation of a new Acid Gas Removal Unit (AGRU) and a new Ethane Recovery Unit (ERU) for PTT Public Company Limited. Located next to Gas Separation Plants No. 2 and No. 3 within PTT's property in Map Ta Phut, Rayong, the project ran from 2005 to 2010. Samsung Engineering Co., Ltd. was the contractor, with Fluor Daniel Eastern, Inc. serving as the Project Management Consultant (PMC).

The project's scope included essential systems such as in-plant power generation, gas turbine and compressor packages, a hot oil system, and a demineralized water system. PTT had completed the Front-End Engineering Design before the PMC's engagement.

Fluor Daniel Eastern, Inc. managed the project in two phases. In Phase I, the PMC supported the selection of the Engineering, Procurement, and Construction (EPC) Contractor. For Phase II, their responsibilities expanded to full project management, encompassing engineering, procurement, construction, contract administration, project controls, and commissioning. SPAN provided crucial local engineering and administrative support throughout both phases of this significant undertaking.

Bangchak Oil Refinery Restructuring

The Bangchak Oil Refinery Restructuring Project, commissioned by Bangchak Petroleum Co., Ltd., was carried out between 1988 and 1990 with engineering consultancy provided by Chiyoda Chemical Engineering and Construction of Japan. The project aimed to restructure the existing Plant No. 3 to boost production capacity to 60,000 barrels per day, while also rehabilitating various infrastructure components within the refinery.

As the local engineering contractor for Chiyoda, SPAN was responsible for conducting engineering studies and preparing detailed designs for the infrastructure improvements. The scope of work included enhancements to the flood protection and drainage systems (both oily and non-oily), as well as upgrades to internal roads and tank farm dikes to support the refinery's increased operational capacity.

During the construction phase, SPAN extended its services by providing construction supervision support. This included oversight of civil, structural, mechanical, electrical, and instrumentation works, ensuring that the project met engineering standards and was completed effectively under the defined specifications.

PTT Natural Gas Development Project (Rayong to Bangkok)

This monumental project, valued at $600 million, involved the development of a natural gas pipeline system for PTT Public Company Limited, spanning from the South-East Shore Area of Rayong to Bangkok. Conducted from 1978 to 1981, with Fluor Ocean Service International, Inc. as the managing contractor, this was one of the largest projects of its kind in the region. SPAN Company Limited, under its former name Land Marine Engineering Consultant Co., Ltd., provided comprehensive local engineering and administrative support.

The core of the project involved the design and project management for the construction of a 425 km continuous 34-inch diameter offshore pipeline, connected to a 165 km 28-inch diameter onshore section, along with an additional spur line. This extensive system also included a Dew Point Control Unit and complete infrastructure necessary for its maintenance and operation. SPAN's involvement covered various critical aspects, including route surveying, drafting, and construction supervision of the onshore pipeline, supervision of pipe coating activities, and the design and supervision of pipe supports and foundations for the Dew Point Control Unit at the shore approach.

Furthermore, SPAN was responsible for the design and supervision of two major facilities: a 56-acre Operation Center in Chonburi and a 280-acre Terminal Site in Rayong. The Operation Center in Chonburi serves as the central control for pipeline operation and administration. The Terminal Site in Map Ta Phut, Rayong, is crucial for extracting water and condensates from natural gas flowing from the offshore platform and distributing the processed gas to power plants in Chonburi and Bangkok. For these facilities, SPAN provided full architectural and engineering services, including site survey, soil investigation, planning, design, and construction supervision for the site development, encompassing office buildings, housing, infrastructure, and recreational facilities.

Trans Thailand-Malaysia Gas Pipeline Project (Songkhla)

This project involved a detailed topographic survey for the Trans Thailand-Malaysia Gas Pipeline on the Thai side, specifically in Songkhla. Conducted between 2003 and 2004 for Trans Thailand-Malaysia Ltd. (TTM), with Bechtel International as the Project Consultant and Nacap Asia Pacific as the contractor, the work focused on approximately 86 kilometers of pipeline route.

The survey encompassed crossings, block valve sites, and metering stations, and included comprehensive subsoil investigations. The data gathered from these surveys and soil analyses were crucial for the detailed design of the pipeline. Services provided spanned the entire project lifecycle, including pre-construction surveys, construction surveys, and final as-built surveys, ensuring accurate documentation for the pipeline's development.

Rayong Refinery Project

The Rayong Refinery project, a $2.2 billion undertaking, involved the construction of an oil refinery in the Map Ta Phut Industrial Estate, Rayong Province, Thailand. This significant development was a joint investment between Shell and PTT, with Rayong Refinery Company (RRC) as the owner. Thai Refinery Constructors (TRC), a joint venture of Fluor Daniel Engineers & Constructors and Asia Badger, served as the Design and Build Contractor. SPAN's contract value for this project was 24.4 Million Baht, and their involvement spanned from 1993 to 1997, from the project's inception through mechanical completion.

SPAN functioned as TRC's local engineering contractor and provided extensive services to both TRC and RRC. These services included surveying, design engineering, and providing resident staff on-site. SPAN's responsibilities covered a wide array of works and facilities, including site preparation, roads and drainage systems, and various buildings.

The buildings and structures under SPAN's purview included the Engineering/Lab Building, Operations Center, Storage Tanks, Process Structures, a Warehouse, a Workshop, and Amenities. Additionally, SPAN was responsible for the landscaping of the refinery's main entrance, contributing significantly to the overall infrastructure and aesthetics of this major industrial facility.