{"id":44137,"date":"2026-07-03T15:15:25","date_gmt":"2026-07-03T06:15:25","guid":{"rendered":"https:\/\/www.ejec.ej-hds.co.jp\/?p=44137"},"modified":"2026-07-03T15:41:28","modified_gmt":"2026-07-03T06:41:28","slug":"workshop_thailand_202607","status":"publish","type":"post","link":"https:\/\/www.ejec.ej-hds.co.jp\/en\/all\/news\/workshop_thailand_202607\/","title":{"rendered":"EJEC Area Manager Tomita Participates in a JointHighway No.225 Site Visit and Technical Workshop with Thailand&#8217;s DOH and JICA"},"content":{"rendered":"\t<div class=\"comInfoBox\" >\n\t\t\t\t\t\t\t<div>\n\t\t\t\t\t\t<p class=\"comText comText01 left\">From Tuesday, June 23 to Thursday, June 25, 2026, a \"Site Visit & Technical Workshop\" was held in Chaiyaphum Province and Nakhon Ratchasima Province, Thailand, as part of the preliminary study for the Highway No.225 Mountain Tunnel Construction Project, organized through cooperation between the Department of Highways (DOH) of Thailand and JICA (Japan International Cooperation Agency).<br\/>\r\n<br\/>\r\nThis program was attended by Teppei Tomita, Area Manager (AM) of Eight-Japan Engineering Consultants Inc. (EJEC), as a member of the JICA expert team. Through field inspections and technical exchanges, he contributed to advancing Thailand's road tunnel planning.<\/p>\n\t\t\t\t\t<\/div>\n\t\t\t\t\n\t\t\t\t\t<h3 class=\"headLine03 left mb0\">Project Background<\/h3>\n\n\t\t\t\t\t\t\t\t\t<div>\n\t\t\t\t\t\t<p class=\"comText comText01 left mt0_5\">Thailand National Highway No. 225 is an important arterial road linking central and northeastern Thailand. The Khao Phang Hoei mountainous section in Chaiyaphum Province faces challenges such as steep terrain, landslide risk, and poor visibility. The Department of Highways has designated this section as a \"sandbox project\" and is advancing conceptual design and preliminary studies for a mountain tunnel solution.<br\/>\r\n<br\/>\r\nThis site visit was carried out jointly with JICA's technical expert team, led by a working group examining feasibility from geological, design, environmental, construction, and cost estimation perspectives.<\/p>\n\t\t\t\t\t<\/div>\n\t\t\t\t\n\t\t\t\t\t<h3 class=\"headLine03 left mb0\">Program Schedule (June 23-25, 2026)<\/h3>\n\n\t\t\t\t\t\t\t\t\t<div>\n\t\t\t\t\t\t<p class=\"comText comText01 left mt0_5 mb1\">The main components of the three-day site visit and technical exchange program were as follows.<\/p>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\n\n<style data-wp-block-html=\"css\">\n\/* ===== Program Table ===== *\/\n.ttable{margin: 0.5rem 6.3rem 4rem 6.3rem;}\n    .program-table {\n      width: 100%;\n      border-collapse: collapse;\n      margin: 20px 0 28px;\n      font-size: 14px;\n    }\n    .program-table thead tr {\n      background: #005bac;\n      color: #fff;\n    }\n    .program-table thead th {\n      padding: 10px 14px;\n      text-align: left;\n      font-weight: 600;\n    }\n    .program-table tbody tr:nth-child(even) { background: #f0f5fb; }\n    .program-table tbody tr:nth-child(odd)  { background: #fff; }\n    .program-table td {\n      padding: 10px 14px;\n      border-bottom: 1px solid #ddd;\n      vertical-align: top;\n    }\n    .program-table td.day-header {\n      background: #e8f0fb;\n      font-weight: 700;\n      color: #005bac;\n      font-size: 14px;\n    }\n    .program-table td.time { white-space: nowrap; font-weight: 600; width: 110px; }\n<\/style>\n\n<div class=\"ttable\">\n<table class=\"program-table\">\n    <thead>\n      <tr>\n        <th style=\"width:120px;\">Date \/ Time<\/th>\n        <th>Activity<\/th>\n      <\/tr>\n    <\/thead>\n    <tbody>\n      <tr>\n        <td colspan=\"2\" class=\"day-header\">June 23 (Tue) - Chaiyaphum Province<\/td>\n      <\/tr>\n      <tr>\n        <td class=\"time\">07:00<\/td>\n        <td>Gather at DOH headquarters and depart<\/td>\n      <\/tr>\n      <tr>\n        <td class=\"time\">14:00<\/td>\n        <td>Site inspection of the planned Highway No.225 mountain tunnel section (Khao Phang Hoei)<\/td>\n      <\/tr>\n      <tr>\n        <td class=\"time\">18:00<\/td>\n        <td>Overnight stay in Chaiyaphum City<\/td>\n      <\/tr>\n      <tr>\n        <td colspan=\"2\" class=\"day-header\">June 24 (Wed) - Chaiyaphum Province<\/td>\n      <\/tr>\n      <tr>\n        <td class=\"time\">08:30<\/td>\n        <td>Technical briefing at the Chaiyaphum Highway District Office (briefing by the secretariat and JICA experts)<\/td>\n      <\/tr>\n      <tr>\n        <td class=\"time\">14:00<\/td>\n        <td>Travel to Nakhon Ratchasima Province<\/td>\n      <\/tr>\n      <tr>\n        <td colspan=\"2\" class=\"day-header\">June 25 (Thu) - Nakhon Ratchasima Province<\/td>\n      <\/tr>\n      <tr>\n        <td class=\"time\">09:30<\/td>\n        <td>Depart for Lam Takhong Dam<\/td>\n      <\/tr>\n      <tr>\n        <td class=\"time\">13:00<\/td>\n        <td>Visit to the construction site of the Khlong Phai Tunnel on the Thailand-China High-Speed Rail Project (Contract 3-2)<\/td>\n      <\/tr>\n      <tr>\n        <td class=\"time\">15:00<\/td>\n        <td>Return to DOH headquarters (scheduled around 18:00)<\/td>\n      <\/tr>\n    <\/tbody>\n  <\/table>\n<\/div>\n\n\n\t<div class=\"comInfoBox\" >\n\t\t\n\t\t\t\t\t<h3 class=\"headLine03 left mb0\">EJEC Participation<\/h3>\n\n\t\t\t\t\t\t\t\t\t<div>\n\t\t\t\t\t\t<p class=\"comText comText01 left mt0_75 mb0_5\">As a member of the JICA expert team, Area Manager Tomita joined the site visit and technical workshop together with three other experts.<\/p>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\n\n<style data-wp-block-html=\"css\">\n\/* ===== Highlight Box ===== *\/\n    .highlight-box {\n      background: #f0f5fb;\n      border-left: 4px solid #005bac;\n      padding: 16px 20px;\n      margin: 20px 0 28px;\n      border-radius: 0 4px 4px 0;\n    }\n    .highlight-box p { margin-bottom: 8px; font-size: 14px; }\n    .highlight-box p:last-child { margin-bottom: 0; }\n<\/style>\n\n<div class=\"ttable\">\n<div class=\"highlight-box\">\n    <p><strong>Participants (JICA Expert Team)<\/strong><\/p>\n    <p>Associate Professor  Kosuke Kawata\uff0f Mr. Teppei Tomita \uff0f Mr. Junichiro Ogawa \uff0f Mr. Tsukasa Nakamura <\/p>\n    <p><strong>Working Group (Thailand Department of Highways)<\/strong><\/p>\n    <p>DOH Headquarters; Highway District Offices No. 6 (Phetchabun), No. 7 (Khon Kaen), and No. 10 (Nakhon Ratchasima); and Highway District Office No. 2, Phetchabun (Bueng Sam Phan)<\/p>\n  <\/div>\n<\/div>\n\n\n\t<div class=\"comInfoBox\" >\n\t\t\t\t\t\t\t<div>\n\t\t\t\t\t\t<p class=\"comText comText01 left\">On site, the team examined the key topographical, geological, environmental, and construction-planning aspects of the mountainous section and held a technical briefing at the Chaiyaphum Highway District Office. They shared advanced Japanese expertise on engineering approaches, environmental considerations, and risk management. The team also visited the tunnel construction site for the Thailand-China High-Speed Rail Project (Khlong Phai-Lam Takhong section), gathering practical insights into design, construction, and project management from an active tunnel works.<\/p>\n\t\t\t\t\t<\/div>\n\t\t\t\t\n\t\t\t\t\t<h3 class=\"headLine03 left\">Scenes from the Site Visit and Technical Workshop<\/h3>\n\n\t\t\t\t\t<\/div>\n\n\n\t<div class=\"comInfoBox\" >\n\t\t\t\t\t\t\t<div class=\"comBox comBox02 mb2\">\n\t\t\t\t\t\t<div  style=\"margin-left:auto; margin-right:auto; display:block; width:100%;\">\n\t\t\t\t\t\t\t<img decoding=\"async\" class=\"pc\" src=\"https:\/\/www.ejec.ej-hds.co.jp\/web\/wp-content\/uploads\/Workshop_Thailand_IMG_4795_e.jpg\" alt=\"\">\n\t\t\t\t\t\t\t<p class=\"c-caption pc\">Group photo of the Thailand Department of Highways, the JICA expert team, and related participants.<\/p>\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" class=\"sp\" src=\"https:\/\/www.ejec.ej-hds.co.jp\/web\/wp-content\/uploads\/Workshop_Thailand_IMG_4795_e.jpg\" alt=\"\">\n\t\t\t\t\t\t\t<p class=\"c-caption sp\">Group photo of the Thailand Department of Highways, the JICA expert team, and related participants.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\n\t<div>\n\t\t<ul class=\"comPhotoList01\">\n\t\t\t\t\t\t\t<li>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" class=\"pc\" src=\"https:\/\/www.ejec.ej-hds.co.jp\/web\/wp-content\/uploads\/Workshop_Thailand_IMG_4819e.jpg\" alt=\"\">\n\t\t\t\t\t\t\t\t<p class=\"c-caption pc\">Participants receive explanations while reviewing documents on the planned route and target section during the field survey. On-site confirmation was carried out for the mountain tunnel plan.<\/p>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" class=\"sp\" src=\"https:\/\/www.ejec.ej-hds.co.jp\/web\/wp-content\/uploads\/Workshop_Thailand_IMG_4819e.jpg\" alt=\"\">\n\t\t\t\t\t\t\t\t<p class=\"c-caption sp\">Participants receive explanations while reviewing documents on the planned route and target section during the field survey. On-site confirmation was carried out for the mountain tunnel plan.<\/p>\t\t\t\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t<li>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" class=\"pc\" src=\"https:\/\/www.ejec.ej-hds.co.jp\/web\/wp-content\/uploads\/Workshop_Thailand_IMG_5464e.jpg\" alt=\"\">\n\t\t\t\t\t\t\t\t<p class=\"c-caption pc\">Technical workshop held at the Chaiyaphum Highway District Office. The JICA expert team and DOH personnel exchanged views on design, construction, and risk management.<\/p>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" class=\"sp\" src=\"https:\/\/www.ejec.ej-hds.co.jp\/web\/wp-content\/uploads\/Workshop_Thailand_IMG_5464e.jpg\" alt=\"\">\n\t\t\t\t\t\t\t\t<p class=\"c-caption sp\">Technical workshop held at the Chaiyaphum Highway District Office. The JICA expert team and DOH personnel exchanged views on design, construction, and risk management.<\/p>\t\t\t\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t<\/ul>\n\t<\/div>\n\n\n\t<div>\n\t\t<ul class=\"comPhotoList01 mt3 mb5\">\n\t\t\t\t\t\t\t<li>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" class=\"pc\" src=\"https:\/\/www.ejec.ej-hds.co.jp\/web\/wp-content\/uploads\/Workshop_Thailand_IMG_5491e.jpg\" alt=\"\">\n\t\t\t\t\t\t\t\t<p class=\"c-caption pc\">Commemorative gift exchange held as part of the technical exchange. The scene symbolizes the cooperative relationship between the Department of Highways and the JICA expert team.<\/p>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" class=\"sp\" src=\"https:\/\/www.ejec.ej-hds.co.jp\/web\/wp-content\/uploads\/Workshop_Thailand_IMG_5491e.jpg\" alt=\"\">\n\t\t\t\t\t\t\t\t<p class=\"c-caption sp\">Commemorative gift exchange held as part of the technical exchange. The scene symbolizes the cooperative relationship between the Department of Highways and the JICA expert team.<\/p>\t\t\t\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t<\/ul>\n\t<\/div>\n\n\n\t<div class=\"comInfoBox\" >\n\t\t\n\t\t\t\t\t<h3 class=\"headLine03 left mt5 mb0\">Summary and Outlook<\/h3>\n\n\t\t\t\t\t\t\t\t\t<div>\n\t\t\t\t\t\t<p class=\"comText comText01 left mt0_5 mb1\">This site visit and technical workshop provided a valuable opportunity to directly share Japan's advanced technology and experience as part of the preliminary study for the Highway No.225 mountain tunnel plan being promoted by the Department of Highways in cooperation with JICA. The JICA expert team, including Area Manager Tomita, made concrete recommendations from the perspectives of environmental consideration, safety, and construction technology, contributing to the enhancement of Thailand's technical capabilities and the sophistication of the project.<\/p>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\n\n<style data-wp-block-html=\"css\">\n\/* ===== Summary Box ===== *\/\n    .summary-box {\n      background: #f9f9f9;\n      border: 1px solid #ddd;\n      border-radius: 4px;\n      padding: 20px 24px;\n      margin: 28px 0;\n    }\n    .summary-box p { font-size: 14px; line-height: 1.9; margin-bottom: 10px; }\n    .summary-box p:last-child { margin-bottom: 0; }\n<\/style>\n\n<div class=\"ttable\">\n  <div class=\"summary-box\">\n    <p>\n      Following its invited presentation at the first JICA-sponsored Road Tunnel Technology Seminar held in Bangkok in March 2026, EJEC has continued to contribute to the advancement of mountain tunnel planning in Thailand through participation in this site visit and technical workshop.\n    <\/p>\n    <p>\n      We will continue striving to make technical contributions in Japan and overseas, aiming to balance environmental conservation with infrastructure development in cooperation with international organizations including JICA.\n    <\/p>\n  <\/div>\n<\/div>\n\n\n\t<div class=\"comInfoBox\" >\n\t\t\t\t\t\t\t<div class=\"comBox03__\">\n\t\t\t\t\t\t<div>\n\t\t\t\t\t\t\t<ul class=\"comLinkList03 flex\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<li><a href=\"https:\/\/www.facebook.com\/departmentofhighway\/posts\/pfbid02at3UUC5vMuuna1V6LcDifT2n4SVEiFgn5YpVRGre5e7yg6UeaTjEwDKd688XEzRRl\"  target=\"_blank\"><span class=\"info\">Official Facebook Post by Thailand's DOH\u2197<\/span><\/a><\/li>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/ul>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\t\t\t\t<\/div>\n\n\n\n<style data-wp-block-html=\"css\">\n\/* ===== Related Article ===== *\/\n    .related-article {\n      background: #f0f5fb;\n      border-radius: 4px;\n      padding: 16px 20px;\n      margin-top: 40px;\n      font-size: 14px;\n    }\n    .related-article .label {\n      font-size: 11px;\n      font-weight: 700;\n      color: #005bac;\n      text-transform: uppercase;\n      letter-spacing: 0.05em;\n      margin-bottom: 6px;\n    }\n    .related-article a {\n      font-weight: 600;\n      color: #005bac;\n    }\n<\/style>\n\n<div class=\"ttable\">\n  <div class=\"related-article\">\n    <p class=\"label\">Related Article<\/p>\n    <p>\n      <a href=\"https:\/\/www.ejec.ej-hds.co.jp\/en\/all\/topics\/jica_seminar_tunnel\/\" target=\"_blank\" rel=\"noopener\">\n        EJEC Employee Gives Invited Lecture at the 1st JICA-Sponsored Road Tunnel Technology Seminar (March 2026)\n      <\/a>\n    <\/p>\n  <\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Date \/ Time Activity June 23 (Tue) &#8211; Chaiyaphum Province 07:00 Gather at DOH headquarters and depart 14:00 Site inspection of the planned Highway No.225 mountain tunnel section (Khao Phang Hoei) 18:00 Overnight stay in Chaiyaphum City June 24 (Wed) &#8211; Chaiyaphum Province 08:30 Technical briefing at the Chaiyaphum Highway District Office (briefing by the [&hellip;]<\/p>\n","protected":false},"author":8,"featured_media":44136,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_locale":"en_US","_original_post":"https:\/\/www.ejec.ej-hds.co.jp\/?p=44067","footnotes":""},"categories":[43,36,24],"tags":[],"class_list":["post-44137","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-roads-transport","category-international-consulting","category-news","en-US"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.ejec.ej-hds.co.jp\/wp-json\/wp\/v2\/posts\/44137","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.ejec.ej-hds.co.jp\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.ejec.ej-hds.co.jp\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.ejec.ej-hds.co.jp\/wp-json\/wp\/v2\/users\/8"}],"replies":[{"embeddable":true,"href":"https:\/\/www.ejec.ej-hds.co.jp\/wp-json\/wp\/v2\/comments?post=44137"}],"version-history":[{"count":7,"href":"https:\/\/www.ejec.ej-hds.co.jp\/wp-json\/wp\/v2\/posts\/44137\/revisions"}],"predecessor-version":[{"id":44151,"href":"https:\/\/www.ejec.ej-hds.co.jp\/wp-json\/wp\/v2\/posts\/44137\/revisions\/44151"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.ejec.ej-hds.co.jp\/wp-json\/wp\/v2\/media\/44136"}],"wp:attachment":[{"href":"https:\/\/www.ejec.ej-hds.co.jp\/wp-json\/wp\/v2\/media?parent=44137"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ejec.ej-hds.co.jp\/wp-json\/wp\/v2\/categories?post=44137"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ejec.ej-hds.co.jp\/wp-json\/wp\/v2\/tags?post=44137"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}