NACC-SAO Inspect 619M Baht Road Project in Samut Songkhram

Khaosod•Society•1d ago

Reader Briefing

The NACC and State Audit Office inspected a road expansion project in Samut Songkhram following complaints that the sand used did not match construction specifications.

•The NACC and State Audit Office (SAO) in Samut Songkhram inspected the Highway 3093 expansion project on July 20, 2026.
•The project involves expanding the Pak Tho-Tha Nam Samut Songkhram road from 2 to 4 lanes over 10.3 kilometers with a budget of 619 million baht.
•Local residents complained that the sand used for filling the road did not comply with the construction design.
•Initial inspections by the NACC and SAO found no immediate irregularities, though further document verification is required.

Overview

•Ms. Kanchana Kamsuwan of the NACC and Ms. Wiranya Thongkhiao of the State Audit Office (SAO) assigned officials to inspect the Highway 3093 construction project in Amphawa District on July 20, 2026.
•The project involves expanding the Pak Tho-Tha Nam Samut Songkhram road from 2 to 4 lanes over 10.3 kilometers with a total budget of 619 million baht.
•The construction contract (No. SP.1/28) began on August 19, 2025, and is scheduled to end on October 7, 2027, with a construction period of 780 days.
•Ms. Kanchana Kamsuwan stated that initial site inspections found sand was actually used, and no irregularities have been discovered yet.
•Local residents raised suspicions that soil was used instead of sand, which Ms. Kanchana Kamsuwan noted could be part of an engineering process involving layering materials.
•The NACC will examine the source of the sand, procurement documents, and technical specifications to be provided by the Department of Highways.
•Ms. Onuma Suwannarak of the State Audit Office (SAO) reported that current documentation and field operations appear to follow regulations, with no evidence of corruption found so far.

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Key Entities

Organization

National Anti-Corruption Commission (NACC) Samut Songkhram(สำนักงานคณะกรรมการป้องกันและปราบปรามการทุจริตแห่งชาติ (ป.ป.ช.) จังหวัดสมุทรสงคราม)

The provincial body responsible for inspecting the 619 million baht road project for corruption.

State Audit Office (SAO) Samut Songkhram(สำนักงานการตรวจเงินแผ่นดิน (สตง.) จังหวัดสมุทรสงคราม)

The provincial body responsible for auditing government budget expenditures for the road project.

Samut Songkhram Highway District(แขวงทางหลวงสมุทรสงคราม)

The agency that provided clarifications regarding the road project specifications.

Bureau of Survey and Design, Department of Highways(สำนักสำรวจและออกแบบ กรมทางหลวง)

The entity responsible for the design of the road project.

Highway Construction Bureau 1, Department of Highways(สำนักก่อสร้างทางที่ 1 กรมทางหลวง)

The entity responsible for controlling the construction work of the road project.

Department of Highways(กรมทางหลวง)

The government agency providing project documents and specifications to the NACC.

Person

Kanchana Kamsuwan(กาญจนา คำสุวรรณ)

The Director of the National Anti-Corruption Commission (NACC) in Samut Songkhram.

Wiranya Thongkhiao(วิรัญญา ทองเขียว)

The Director of the State Audit Office (SAO) in Samut Songkhram.

Onuma Suwannarak(อรอุมา สุวรรณรักษ์)

The Director of the group at the State Audit Office (SAO) in Samut Songkhram.

Place

Highway 3093 Pak Tho-Tha Nam Samut Songkhram(ทางหลวงหมายเลข 3093 สายปากท่อ-ท่าน้ำสมุทรสงคราม)

The location of the road expansion project being inspected.

Amphawa District(อำเภออัมพวา)ℹ️

The district where the road construction project is located.

Samut Songkhram(สมุทรสงคราม)ℹ️

The province where the inspected road project is located.

Ratchaburi(ราชบุรี)ℹ️

The province connected to Samut Songkhram via the expanded road network.