{"id":41155,"date":"2021-02-01T12:41:02","date_gmt":"2021-02-01T11:41:02","guid":{"rendered":"https:\/\/aquajet.se\/jobreport\/lhydrodemolition-augmente-la-productivite-dun-projet-de-pont-aux-philippines\/"},"modified":"2021-02-01T12:41:02","modified_gmt":"2021-02-01T11:41:02","slug":"lhydrodemolition-augmente-la-productivite-dun-projet-de-pont-aux-philippines","status":"publish","type":"jobreport","link":"https:\/\/aquajet.se\/fr\/jobreport\/lhydrodemolition-augmente-la-productivite-dun-projet-de-pont-aux-philippines\/","title":{"rendered":"L&#8217;hydrod\u00e9molition augmente la productivit\u00e9 d&#8217;un projet de pont aux Philippines"},"content":{"rendered":"<h2><\/h2>\n<p>&nbsp;<\/p>\n<p><strong>Quel que soit le projet &#8211; qu&#8217;il s&#8217;agisse d&#8217;une simple structure ou d&#8217;un pont massif de plusieurs millions de dollars &#8211; une construction efficace n\u00e9cessite une planification minutieuse. Cependant, m\u00eame avec une logistique sans faille, les projets peuvent rencontrer des difficult\u00e9s qui mettent en p\u00e9ril les d\u00e9lais. <\/strong><\/p>\n<p>&nbsp;<\/p>\n<p>Aux Philippines, la construction d&#8217;un gigantesque pont reliant Cebu City \u00e0 Cordova, \u00e0 l&#8217;extr\u00e9mit\u00e9 sud de l&#8217;\u00eele de Mactan, est actuellement en cours. L&#8217;autoroute Cebu-Cordova Link, d&#8217;une longueur de 8,5 kilom\u00e8tres (5,3 miles), dont l&#8217;ach\u00e8vement est pr\u00e9vu en 2021, enjambera le canal de Mactan avec un espace de navigation de 51 m\u00e8tres (167 pieds) pour les navires de transport. Elle promet de r\u00e9duire la congestion entre Cebu et Mactan et de stimuler les activit\u00e9s \u00e9conomiques dans toute la r\u00e9gion en offrant un acc\u00e8s suppl\u00e9mentaire \u00e0 l&#8217;\u00eele et \u00e0 l&#8217;a\u00e9roport international de Mactan-Cebu pour un nombre de v\u00e9hicules estim\u00e9 \u00e0 50 000 par jour.  <\/p>\n<h5><\/h5>\n<p>Comme pr\u00e9vu, la construction &#8211; l&#8217;un des plus grands projets d&#8217;infrastructure du pays &#8211; repose sur un plan soigneusement chor\u00e9graphi\u00e9 d&#8217;op\u00e9rations simultan\u00e9es afin de respecter des d\u00e9lais stricts. Une logistique experte permet aux \u00e9quipes d&#8217;\u00e9viter de nombreux obstacles ; cependant, des d\u00e9fis impr\u00e9vus peuvent toujours survenir. Lorsqu&#8217;un mauvais lot de b\u00e9ton a menac\u00e9 de faire d\u00e9railler la progression de l&#8217;un des premiers piliers du pont, les responsables du projet ont eu besoin d&#8217;une solution cr\u00e9ative qui permettrait de d\u00e9monter rapidement le b\u00e9ton de mauvaise qualit\u00e9 sans endommager les barres d&#8217;armature et sans retarder le projet. L&#8217;<a href=\"https:\/\/aquajet.se\/hydrodemolition-101\/crash-course-101\/\">hydrod\u00e9molition<\/a> \u00e9tait le seul proc\u00e9d\u00e9 offrant la pr\u00e9cision et la productivit\u00e9 n\u00e9cessaires pour maintenir le projet sur les chenilles.  <\/p>\n<h5><\/h5>\n<p>Cebu Link Joint Venture (CLJV) a contact\u00e9 la soci\u00e9t\u00e9 <a href=\"https:\/\/aquajet.se\/contact-aquajet\/global-dealer-network-2\/aquajet-in-southeast-asia\/\">Asia Waterjet Equipment<\/a>, bas\u00e9e \u00e0 Singapour, les premiers experts en hydrod\u00e9molition de la r\u00e9gion. L&#8217;acc\u00e8s et les conditions du site repr\u00e9sentaient un v\u00e9ritable d\u00e9fi, mais avec des d\u00e9cennies d&#8217;exp\u00e9rience dans certaines des applications les plus dangereuses, Asia Waterjet Equipment \u00e9tait plus qu&#8217;\u00e0 la hauteur de la t\u00e2che. Alors que l&#8217;heure tournait et que la mousson battait son plein, l&#8217;\u00e9quipe est arriv\u00e9e sur le site avec un robot d&#8217;hydrod\u00e9molition Aqua <a href=\"https:\/\/aquajet.se\/fr\/products\/aqua-cutter-710v\/\">Cutter 710V<\/a> et une pompe jet d&#8217;eau Jetstream HP.  <\/p>\n<p>&nbsp;<\/p>\n<p><a href=\"https:\/\/aquajet.se\/bed\/uploads\/2021\/02\/aquajet_awe_filippinerna-bridge-repair_1024-3.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-9534\" src=\"https:\/\/aquajet.se\/bed\/uploads\/2021\/02\/aquajet_awe_filippinerna-bridge-repair_1024-3-700x525.jpg\" alt=\"No matter the project \u2014 from a simple structure to a massive, multi-million-dollar bridge system \u2014 efficient construction requires thorough planning. But, even with flawless logistics, projects can run into challenges that put deadlines in jeopardy. Construction is currently underway in the Philippines on a massive bridge system connecting Cebu City with Cordova on the southern end of Mactan Island. The 8.5-kilometer (5.3-mile) Cebu-Cordova Link Expressway, slated for completion in 2021, will span the Mactan Channel with 51-meter (167-feet) navigational clearance for shipping vessels. It promises to ease congestion between Cebu and Mactan and boost economic activities throughout the region by providing additional access to the island and the Mactan-Cebu International Airport for an estimated 50,000 vehicles a day. As expected, the construction \u2014 one of the largest infrastructure projects in the country \u2014 relies on a carefully choreographed plan of simultaneous operations to meet strict deadlines. Expert logistics allow crews to avoid many hurdles; however, unforeseen challenges can still arise. When a bad batch of concrete threatened to derail progress on one of the bridge\u2019s first pilons, project managers needed a creative solution that could quickly remove the poor-quality concrete without damaging the rebar or putting the project behind schedule. Hydrodemolition was the only process with the precision and productivity to keep the project on track. Cebu Link Joint Venture (CLJV) contacted Singapore-based Asia Waterjet Equipment, the region\u2019s premier Hydrodemolition experts. Access and site conditions presented quite a challenge, but with decades of experience in some of the most hazardous applications, Asia Waterjet Equipment was more than up to the task. With the clock ticking and monsoon season in full swing, the team arrived onsite with an Aquajet Aqua Cutter 710V Hydrodemolition robot and Jetstream HP Waterjetting Pump. Passion for Problem Solving In the early 1990s, Asia Waterjet Equipment\u2019s founders were part of the brave crews tasked with containing oil wells in Kuwait that were destroyed during the Persian Gulf War. Their experience helped avert a huge environmental crisis. They remained in the Middle East, eventually founding Asia Waterjet Equipment in 2006, bringing high-pressure water jetting and robotic Hydrodemolition to the Middle East and South East Asia. Now, with offices in Dubai, Abu Dhabi, Saudi Arabia, Bahrain and Singapore and a strong presence and partnerships throughout these territories, the company is known for creative problem solving \u2014 delivering innovative cutting and cleaning solutions for hazardous areas or difficult to pump products in petrochemical, wastewater, mining, construction and other industries. They also offer a range of robotic solutions to help customers protect employees and perform beyond expectations. \u201cOur focus has always been providing the cutting-edge tools to make challenging applications safer and more efficient,\u201d said Chris Parkhill, Asia Waterjet Equipment Sales Director for Southeast Asia. \u201cFrom the very beginning, we\u2019ve been involved in some of the most hazardous operations out there. We understand the demands and dangers, which is why we partner with industry-leading equipment manufacturers for robust solutions that maximize safety and productivity.\u201d Pairing the right tools with experienced team members who bring a wealth of industry knowledge and a deep understanding of local markets to each project has earned Asia Waterjet Equipment a reputation for high-quality results. In emerging markets, such as the Philippines, where the demands of multi-million-dollar projects have become a proving ground for newer, more efficient technologies, this expertise puts the company at the forefront. \u201cFrom North Africa to South East Asia, we cover a lot of ground,\u201d Parkhill said. \u201cBut being able to meet the contractor where they are is key to a successful solution. Working with CLJV, there were a number of challenges we had to overcome to keep the project on track. Hydrodemolition was the best solution and Aquajet was the best tool for the job.\u201d Troubled Water Access was the primary problem. CLJV was conducting construction on several bridge pilons simultaneously. To minimize disruptions to the local community, the project\u2019s primary staging area, as well as the initial pilon, were only accessible from the coast. This meant the concrete had to be mixed 2.5 kilometers (1.6 miles) down the coast then transported by barge to the jobsite. From there, the barge was grounded, and the trucks disembarked directly onto the beach. The pilon was 30 meters (98 feet) inland. Overall, the transportation delay had no negative impacts on the concrete, and the 16-by-14-meter (52.5-by-45.9-foot) pilon quickly grew to 4 meters (13 feet) tall. However, a complication with a single delivery threatened to throw the entire project behind schedule and over budget. \u201cWhen you are working with concrete, sometimes things don\u2019t go to plan,\u201d Parkhill said. \u201cIt\u2019s a delicate equation, after all, and even a slight miscalculation can ruin the mixture. Unfortunately, when that happens, there isn\u2019t an easy fix.\u201d Crews knew there was a problem immediately. The concrete was already setting as they pumped. Vibrating and other correctional methods failed, and the pour was ultimately unsuccessful. Even worse, the concrete fell 350 millimeters (13.8 inches) short, leaving a mesh of exposed rebar. For CLJV and Asia Waterjet Equipment, the challenges were adding up, making for a very difficult repair. The pilon was nearly complete. While CLJV had budgeted time and money for small complications, it could not afford to demolish the whole pilon and start over. Crews with handheld breakers or excavators could remove the poor-quality concrete, but only by destroying the rebar. They would have to cut the exposed rebar at the top of the pilon to access the concrete a foot below. More rebar would be damaged as the poor-quality concrete was removed, and microfractures from the vibration of jackhammers or excavators would weaken the remaining concrete, jeopardizing the pilon\u2019s integrity. \u201cThere was no option; the rebar and existing good concrete had to be protected,\u201d Parkhill said. \u201cIf CLJV went with traditional demolition methods, they\u2019d have to open, pry apart where possible or cut the rebar and manually jack hammer out the bad concrete. There\u2019s no guarantee a man using a jack hammer could gauge what\u2019s good and what\u2019s bad, so they\u2019d end up removing extra. Then they\u2019d have to bend the rebar back into place without breaking it, or weld or cut new threads and join with it threaded couplers. It would add weeks to the project and a significant cost to the budget. They simply couldn\u2019t afford it.\u201d Asia Waterjet Equipment knew Hydrodemolition was the only solution. The non-intrusive method uses high-pressure water jets as powerful as 40,000 psi manipulated by an automated robot to remove layers of deteriorated and damaged concrete. The high-pressure water exceeds the strength of the concrete to widen existing pores and microcracks, breaking it apart in a controlled manner. Unlike other mechanical methods, Hydrodemolition is impact free, eliminating the vibrations that cause microfractures. Additionally, the method meets European Standards EN 1504 and provides a superior bonding surface for new concrete. The Aqua Cutter 710V\u2019s high-pressure water jet leaves a rough, irregular profile after removing the initial layer of concrete that results in a better bonding strength. The robot also cleans and descales the exposed rebar and removes non-visible contaminants such as dirt, mud, foundation mud, salts, chlorides and sulfates. Building Bridges Productivity was also a concern. With simultaneous construction continuing on several other pilons in the area, crews needed to remove the poor-quality concrete and complete repairs quickly \u2014 with minimal labor. With the ability to complete concrete removal tasks up to 25 times faster than a hand lance, the Aqua Cutter provided the necessary solution to keep the project on schedule. Asia Waterjet Equipment brought in Aquajet Special Application Manager Kjell Isaksson to support the operation. \u201cThere were a lot of variables and no room for error,\u201d Parkhill said. \u201cTo minimize the risk of delays, we decided it would be best to have an Aquajet specialist on site.\u201d Like the cement trucks, the Aqua Cutter and all support equipment, including a high-pressure waterjet power pack with a 4200 series Jetstream pump, had to access the site from the Mactan Chanel. Proximity to the water and the frequent, heavy rains of monsoon season made ground conditions difficult. However, since the Aqua Cutter is self-propelled with tracks, the uneven, muddy terrain presented no problems for Asia Waterjet Equipment. This minimized necessary site preparations and helped accelerate repairs. Crossing the Bridge to Success This mobility was also necessary for tackling the demolition itself. Once lifted the 4 meters (13 feet) onto the pile cap by a crane, the Aqua Cutter was able to easily maneuver over the rebar. The high-pressure pump was setup 7 meters (23 feet) away and connected to the Hydrodemolition robot by a high-pressure hose. To help reduce cost and increase production, Asia Waterjet Equipment opted to use seawater for the majority of the demolition rather than bring in fresh water. The company continually filled two 20-cubic meter (5,283 gallon) night tanks directly from the Mactan Chanel. Fresh water was only used during the last two days of the project to remove salt and other impurities that could impact bonding. Using the Hydrodemolition robot, operating at 1,000 bar (15,000 psi), and two employees, Asia Waterjet Equipment removed 10 cubic meters (13 cubic yards) of poor-quality concrete at a depth of 150-250 millimeters (6-10 inches) in days. \u201cWith the Aquajet Aqua Cutter, we increased productivity to a point where construction was back on schedule,\u201d Parkhill said. \u201cWithout Hydrodemolition, there\u2019s no way CLJV would have been able to do that.\u201d The Future of Hydrodemolition While construction on the bridge system continues, Asia Waterjet Equipment is already on to the next challenge. \u201cConstruction in Southeast Asia is changing,\u201d Parkhill said. \u201cRobotic processes like Hydrodemolition are proving you can have productivity and safety. With innovative partners like Aquajet, Asia Waterjet Equipment is playing a leading role in facilitating that change.\u201d\" width=\"700\" height=\"525\"><\/a><\/p>\n<p><em>Lorsqu&#8217;un mauvais lot de b\u00e9ton a menac\u00e9 de faire d\u00e9railler l&#8217;avancement d&#8217;un important projet de pont aux Philippines, Asia Waterjet Equipment s&#8217;est tourn\u00e9 vers Aquajet pour trouver une solution cr\u00e9ative permettant de d\u00e9monter rapidement le b\u00e9ton de mauvaise qualit\u00e9 sans endommager les barres d&#8217;armature et sans retarder le projet.<\/em><\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p><strong>Passion pour la r\u00e9solution de probl\u00e8mes<\/strong><\/p>\n<p>Au d\u00e9but des ann\u00e9es 1990, les fondateurs d&#8217;Asia Waterjet Equipment faisaient partie des \u00e9quipes courageuses charg\u00e9es de contenir les puits de p\u00e9trole au Kowe\u00eft qui avaient \u00e9t\u00e9 d\u00e9truits pendant la guerre du Golfe persique. Leur exp\u00e9rience a permis d&#8217;\u00e9viter une \u00e9norme crise environnementale. Ils sont rest\u00e9s au Moyen-Orient et ont finalement fond\u00e9 Asia Waterjet Equipment en 2006, apportant le jet d&#8217;eau haute pression et l&#8217;hydrod\u00e9molition robotis\u00e9e au <a href=\"https:\/\/aquajet.se\/contact-aquajet\/global-dealer-network-2\/aquajet-in-the-middle-east\/\">Moyen-Orient<\/a> et \u00e0 l&#8217;<a href=\"https:\/\/aquajet.se\/contact-aquajet\/global-dealer-network-2\/aquajet-in-southeast-asia\/\">Asie du Sud-Est<\/a>.  <\/p>\n<h5><\/h5>\n<p>Aujourd&#8217;hui, avec des bureaux \u00e0 <a href=\"https:\/\/aquajet.se\/contact-aquajet\/global-dealer-network-2\/aquajet-in-the-middle-east\/\">Duba\u00ef, Abou Dhabi, en Arabie saoudite, \u00e0 Bahre\u00efn<\/a> et \u00e0 <a href=\"https:\/\/aquajet.se\/contact-aquajet\/global-dealer-network-2\/aquajet-in-southeast-asia\/\">Singapour<\/a> et une forte pr\u00e9sence et des partenariats dans tous ces territoires, l&#8217;entreprise est connue pour sa cr\u00e9ativit\u00e9 dans la r\u00e9solution des probl\u00e8mes, offrant des solutions innovantes de d\u00e9coupe et de nettoyage pour les zones dangereuses ou les produits difficiles \u00e0 pomper dans les secteurs de la p\u00e9trochimie, des eaux us\u00e9es, de l&#8217;exploitation mini\u00e8re, de la construction et dans d&#8217;autres industries. Elle propose \u00e9galement une gamme de solutions robotiques pour aider les clients \u00e0 prot\u00e9ger leurs employ\u00e9s et \u00e0 d\u00e9passer leurs attentes. <\/p>\n<h5><\/h5>\n<p>&#8220;Notre objectif a toujours \u00e9t\u00e9 de fournir des outils de pointe pour rendre les applications difficiles plus s\u00fbres et plus efficaces&#8221;, a d\u00e9clar\u00e9 Chris Parkhill, directeur des ventes d&#8217;\u00e9quipements \u00e0 jet d&#8217;eau pour l&#8217;Asie du Sud-Est. &#8220;D\u00e8s le d\u00e9but, nous avons \u00e9t\u00e9 impliqu\u00e9s dans certaines des op\u00e9rations les plus dangereuses qui soient. Nous comprenons les exigences et les dangers, c&#8217;est pourquoi nous nous associons \u00e0 des fabricants d&#8217;\u00e9quipements de pointe pour proposer des solutions robustes qui maximisent la s\u00e9curit\u00e9 et la productivit\u00e9.&#8221; <\/p>\n<h5><\/h5>\n<p>En associant les bons outils \u00e0 des membres d&#8217;\u00e9quipe exp\u00e9riment\u00e9s qui apportent \u00e0 chaque projet une connaissance approfondie de l&#8217;industrie et des march\u00e9s locaux, Asia Waterjet Equipment a acquis la r\u00e9putation de produire des r\u00e9sultats de grande qualit\u00e9. Sur les march\u00e9s \u00e9mergents, tels que les Philippines, o\u00f9 les exigences des projets de plusieurs millions de dollars sont devenues un terrain d&#8217;essai pour des technologies plus r\u00e9centes et plus efficaces, cette expertise place l&#8217;entreprise \u00e0 l&#8217;avant-garde. <\/p>\n<h5><\/h5>\n<p>&#8220;De l&#8217;Afrique du Nord \u00e0 l&#8217;Asie du Sud-Est, nous couvrons beaucoup de terrain&#8221;, a d\u00e9clar\u00e9 M. Parkhill. &#8220;Mais \u00eatre capable de rencontrer l&#8217;entrepreneur l\u00e0 o\u00f9 il se trouve est la cl\u00e9 d&#8217;une solution r\u00e9ussie. En travaillant avec CLJV, nous avons d\u00fb relever un certain nombre de d\u00e9fis pour maintenir le projet sur les chenilles. L&#8217;hydrod\u00e9molition \u00e9tait la meilleure solution et Aquajet \u00e9tait le meilleur outil pour ce travail.&#8221; <\/p>\n<p>&nbsp;<\/p>\n<p><a href=\"https:\/\/aquajet.se\/bed\/uploads\/2021\/02\/aquajet_awe_filippinerna-bridge-repair_1024-2.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-9533\" src=\"https:\/\/aquajet.se\/bed\/uploads\/2021\/02\/aquajet_awe_filippinerna-bridge-repair_1024-2-700x525.jpg\" alt=\"No matter the project \u2014 from a simple structure to a massive, multi-million-dollar bridge system \u2014 efficient construction requires thorough planning. But, even with flawless logistics, projects can run into challenges that put deadlines in jeopardy. Construction is currently underway in the Philippines on a massive bridge system connecting Cebu City with Cordova on the southern end of Mactan Island. The 8.5-kilometer (5.3-mile) Cebu-Cordova Link Expressway, slated for completion in 2021, will span the Mactan Channel with 51-meter (167-feet) navigational clearance for shipping vessels. It promises to ease congestion between Cebu and Mactan and boost economic activities throughout the region by providing additional access to the island and the Mactan-Cebu International Airport for an estimated 50,000 vehicles a day. As expected, the construction \u2014 one of the largest infrastructure projects in the country \u2014 relies on a carefully choreographed plan of simultaneous operations to meet strict deadlines. Expert logistics allow crews to avoid many hurdles; however, unforeseen challenges can still arise. When a bad batch of concrete threatened to derail progress on one of the bridge\u2019s first pilons, project managers needed a creative solution that could quickly remove the poor-quality concrete without damaging the rebar or putting the project behind schedule. Hydrodemolition was the only process with the precision and productivity to keep the project on track. Cebu Link Joint Venture (CLJV) contacted Singapore-based Asia Waterjet Equipment, the region\u2019s premier Hydrodemolition experts. Access and site conditions presented quite a challenge, but with decades of experience in some of the most hazardous applications, Asia Waterjet Equipment was more than up to the task. With the clock ticking and monsoon season in full swing, the team arrived onsite with an Aquajet Aqua Cutter 710V Hydrodemolition robot and Jetstream HP Waterjetting Pump. Passion for Problem Solving In the early 1990s, Asia Waterjet Equipment\u2019s founders were part of the brave crews tasked with containing oil wells in Kuwait that were destroyed during the Persian Gulf War. Their experience helped avert a huge environmental crisis. They remained in the Middle East, eventually founding Asia Waterjet Equipment in 2006, bringing high-pressure water jetting and robotic Hydrodemolition to the Middle East and South East Asia. Now, with offices in Dubai, Abu Dhabi, Saudi Arabia, Bahrain and Singapore and a strong presence and partnerships throughout these territories, the company is known for creative problem solving \u2014 delivering innovative cutting and cleaning solutions for hazardous areas or difficult to pump products in petrochemical, wastewater, mining, construction and other industries. They also offer a range of robotic solutions to help customers protect employees and perform beyond expectations. \u201cOur focus has always been providing the cutting-edge tools to make challenging applications safer and more efficient,\u201d said Chris Parkhill, Asia Waterjet Equipment Sales Director for Southeast Asia. \u201cFrom the very beginning, we\u2019ve been involved in some of the most hazardous operations out there. We understand the demands and dangers, which is why we partner with industry-leading equipment manufacturers for robust solutions that maximize safety and productivity.\u201d Pairing the right tools with experienced team members who bring a wealth of industry knowledge and a deep understanding of local markets to each project has earned Asia Waterjet Equipment a reputation for high-quality results. In emerging markets, such as the Philippines, where the demands of multi-million-dollar projects have become a proving ground for newer, more efficient technologies, this expertise puts the company at the forefront. \u201cFrom North Africa to South East Asia, we cover a lot of ground,\u201d Parkhill said. \u201cBut being able to meet the contractor where they are is key to a successful solution. Working with CLJV, there were a number of challenges we had to overcome to keep the project on track. Hydrodemolition was the best solution and Aquajet was the best tool for the job.\u201d Troubled Water Access was the primary problem. CLJV was conducting construction on several bridge pilons simultaneously. To minimize disruptions to the local community, the project\u2019s primary staging area, as well as the initial pilon, were only accessible from the coast. This meant the concrete had to be mixed 2.5 kilometers (1.6 miles) down the coast then transported by barge to the jobsite. From there, the barge was grounded, and the trucks disembarked directly onto the beach. The pilon was 30 meters (98 feet) inland. Overall, the transportation delay had no negative impacts on the concrete, and the 16-by-14-meter (52.5-by-45.9-foot) pilon quickly grew to 4 meters (13 feet) tall. However, a complication with a single delivery threatened to throw the entire project behind schedule and over budget. \u201cWhen you are working with concrete, sometimes things don\u2019t go to plan,\u201d Parkhill said. \u201cIt\u2019s a delicate equation, after all, and even a slight miscalculation can ruin the mixture. Unfortunately, when that happens, there isn\u2019t an easy fix.\u201d Crews knew there was a problem immediately. The concrete was already setting as they pumped. Vibrating and other correctional methods failed, and the pour was ultimately unsuccessful. Even worse, the concrete fell 350 millimeters (13.8 inches) short, leaving a mesh of exposed rebar. For CLJV and Asia Waterjet Equipment, the challenges were adding up, making for a very difficult repair. The pilon was nearly complete. While CLJV had budgeted time and money for small complications, it could not afford to demolish the whole pilon and start over. Crews with handheld breakers or excavators could remove the poor-quality concrete, but only by destroying the rebar. They would have to cut the exposed rebar at the top of the pilon to access the concrete a foot below. More rebar would be damaged as the poor-quality concrete was removed, and microfractures from the vibration of jackhammers or excavators would weaken the remaining concrete, jeopardizing the pilon\u2019s integrity. \u201cThere was no option; the rebar and existing good concrete had to be protected,\u201d Parkhill said. \u201cIf CLJV went with traditional demolition methods, they\u2019d have to open, pry apart where possible or cut the rebar and manually jack hammer out the bad concrete. There\u2019s no guarantee a man using a jack hammer could gauge what\u2019s good and what\u2019s bad, so they\u2019d end up removing extra. Then they\u2019d have to bend the rebar back into place without breaking it, or weld or cut new threads and join with it threaded couplers. It would add weeks to the project and a significant cost to the budget. They simply couldn\u2019t afford it.\u201d Asia Waterjet Equipment knew Hydrodemolition was the only solution. The non-intrusive method uses high-pressure water jets as powerful as 40,000 psi manipulated by an automated robot to remove layers of deteriorated and damaged concrete. The high-pressure water exceeds the strength of the concrete to widen existing pores and microcracks, breaking it apart in a controlled manner. Unlike other mechanical methods, Hydrodemolition is impact free, eliminating the vibrations that cause microfractures. Additionally, the method meets European Standards EN 1504 and provides a superior bonding surface for new concrete. The Aqua Cutter 710V\u2019s high-pressure water jet leaves a rough, irregular profile after removing the initial layer of concrete that results in a better bonding strength. The robot also cleans and descales the exposed rebar and removes non-visible contaminants such as dirt, mud, foundation mud, salts, chlorides and sulfates. Building Bridges Productivity was also a concern. With simultaneous construction continuing on several other pilons in the area, crews needed to remove the poor-quality concrete and complete repairs quickly \u2014 with minimal labor. With the ability to complete concrete removal tasks up to 25 times faster than a hand lance, the Aqua Cutter provided the necessary solution to keep the project on schedule. Asia Waterjet Equipment brought in Aquajet Special Application Manager Kjell Isaksson to support the operation. \u201cThere were a lot of variables and no room for error,\u201d Parkhill said. \u201cTo minimize the risk of delays, we decided it would be best to have an Aquajet specialist on site.\u201d Like the cement trucks, the Aqua Cutter and all support equipment, including a high-pressure waterjet power pack with a 4200 series Jetstream pump, had to access the site from the Mactan Chanel. Proximity to the water and the frequent, heavy rains of monsoon season made ground conditions difficult. However, since the Aqua Cutter is self-propelled with tracks, the uneven, muddy terrain presented no problems for Asia Waterjet Equipment. This minimized necessary site preparations and helped accelerate repairs. Crossing the Bridge to Success This mobility was also necessary for tackling the demolition itself. Once lifted the 4 meters (13 feet) onto the pile cap by a crane, the Aqua Cutter was able to easily maneuver over the rebar. The high-pressure pump was setup 7 meters (23 feet) away and connected to the Hydrodemolition robot by a high-pressure hose. To help reduce cost and increase production, Asia Waterjet Equipment opted to use seawater for the majority of the demolition rather than bring in fresh water. The company continually filled two 20-cubic meter (5,283 gallon) night tanks directly from the Mactan Chanel. Fresh water was only used during the last two days of the project to remove salt and other impurities that could impact bonding. Using the Hydrodemolition robot, operating at 1,000 bar (15,000 psi), and two employees, Asia Waterjet Equipment removed 10 cubic meters (13 cubic yards) of poor-quality concrete at a depth of 150-250 millimeters (6-10 inches) in days. \u201cWith the Aquajet Aqua Cutter, we increased productivity to a point where construction was back on schedule,\u201d Parkhill said. \u201cWithout Hydrodemolition, there\u2019s no way CLJV would have been able to do that.\u201d The Future of Hydrodemolition While construction on the bridge system continues, Asia Waterjet Equipment is already on to the next challenge. \u201cConstruction in Southeast Asia is changing,\u201d Parkhill said. \u201cRobotic processes like Hydrodemolition are proving you can have productivity and safety. With innovative partners like Aquajet, Asia Waterjet Equipment is playing a leading role in facilitating that change.\u201d\" width=\"700\" height=\"525\"><\/a><\/p>\n<p><em>Pour prot\u00e9ger les barres d&#8217;armature et le bon b\u00e9ton existant, Asia Waterjet Equipment savait que l&#8217;hydrod\u00e9molition \u00e9tait la seule solution. Cette m\u00e9thode non intrusive utilise des jets d&#8217;eau haute pression d&#8217;une puissance de 40 000 psi manipul\u00e9s par un robot automatis\u00e9 pour d\u00e9monter les couches de b\u00e9ton d\u00e9t\u00e9rior\u00e9 et endommag\u00e9. <\/em><\/p>\n<p>&nbsp;<\/p>\n<p><a href=\"https:\/\/aquajet.se\/bed\/uploads\/2021\/02\/aquajet_awe_filippinerna-bridge-repair_1024-7.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-9538\" src=\"https:\/\/aquajet.se\/bed\/uploads\/2021\/02\/aquajet_awe_filippinerna-bridge-repair_1024-7-700x525.jpg\" alt=\"No matter the project \u2014 from a simple structure to a massive, multi-million-dollar bridge system \u2014 efficient construction requires thorough planning. But, even with flawless logistics, projects can run into challenges that put deadlines in jeopardy. Construction is currently underway in the Philippines on a massive bridge system connecting Cebu City with Cordova on the southern end of Mactan Island. The 8.5-kilometer (5.3-mile) Cebu-Cordova Link Expressway, slated for completion in 2021, will span the Mactan Channel with 51-meter (167-feet) navigational clearance for shipping vessels. It promises to ease congestion between Cebu and Mactan and boost economic activities throughout the region by providing additional access to the island and the Mactan-Cebu International Airport for an estimated 50,000 vehicles a day. As expected, the construction \u2014 one of the largest infrastructure projects in the country \u2014 relies on a carefully choreographed plan of simultaneous operations to meet strict deadlines. Expert logistics allow crews to avoid many hurdles; however, unforeseen challenges can still arise. When a bad batch of concrete threatened to derail progress on one of the bridge\u2019s first pilons, project managers needed a creative solution that could quickly remove the poor-quality concrete without damaging the rebar or putting the project behind schedule. Hydrodemolition was the only process with the precision and productivity to keep the project on track. Cebu Link Joint Venture (CLJV) contacted Singapore-based Asia Waterjet Equipment, the region\u2019s premier Hydrodemolition experts. Access and site conditions presented quite a challenge, but with decades of experience in some of the most hazardous applications, Asia Waterjet Equipment was more than up to the task. With the clock ticking and monsoon season in full swing, the team arrived onsite with an Aquajet Aqua Cutter 710V Hydrodemolition robot and Jetstream HP Waterjetting Pump. Passion for Problem Solving In the early 1990s, Asia Waterjet Equipment\u2019s founders were part of the brave crews tasked with containing oil wells in Kuwait that were destroyed during the Persian Gulf War. Their experience helped avert a huge environmental crisis. They remained in the Middle East, eventually founding Asia Waterjet Equipment in 2006, bringing high-pressure water jetting and robotic Hydrodemolition to the Middle East and South East Asia. Now, with offices in Dubai, Abu Dhabi, Saudi Arabia, Bahrain and Singapore and a strong presence and partnerships throughout these territories, the company is known for creative problem solving \u2014 delivering innovative cutting and cleaning solutions for hazardous areas or difficult to pump products in petrochemical, wastewater, mining, construction and other industries. They also offer a range of robotic solutions to help customers protect employees and perform beyond expectations. \u201cOur focus has always been providing the cutting-edge tools to make challenging applications safer and more efficient,\u201d said Chris Parkhill, Asia Waterjet Equipment Sales Director for Southeast Asia. \u201cFrom the very beginning, we\u2019ve been involved in some of the most hazardous operations out there. We understand the demands and dangers, which is why we partner with industry-leading equipment manufacturers for robust solutions that maximize safety and productivity.\u201d Pairing the right tools with experienced team members who bring a wealth of industry knowledge and a deep understanding of local markets to each project has earned Asia Waterjet Equipment a reputation for high-quality results. In emerging markets, such as the Philippines, where the demands of multi-million-dollar projects have become a proving ground for newer, more efficient technologies, this expertise puts the company at the forefront. \u201cFrom North Africa to South East Asia, we cover a lot of ground,\u201d Parkhill said. \u201cBut being able to meet the contractor where they are is key to a successful solution. Working with CLJV, there were a number of challenges we had to overcome to keep the project on track. Hydrodemolition was the best solution and Aquajet was the best tool for the job.\u201d Troubled Water Access was the primary problem. CLJV was conducting construction on several bridge pilons simultaneously. To minimize disruptions to the local community, the project\u2019s primary staging area, as well as the initial pilon, were only accessible from the coast. This meant the concrete had to be mixed 2.5 kilometers (1.6 miles) down the coast then transported by barge to the jobsite. From there, the barge was grounded, and the trucks disembarked directly onto the beach. The pilon was 30 meters (98 feet) inland. Overall, the transportation delay had no negative impacts on the concrete, and the 16-by-14-meter (52.5-by-45.9-foot) pilon quickly grew to 4 meters (13 feet) tall. However, a complication with a single delivery threatened to throw the entire project behind schedule and over budget. \u201cWhen you are working with concrete, sometimes things don\u2019t go to plan,\u201d Parkhill said. \u201cIt\u2019s a delicate equation, after all, and even a slight miscalculation can ruin the mixture. Unfortunately, when that happens, there isn\u2019t an easy fix.\u201d Crews knew there was a problem immediately. The concrete was already setting as they pumped. Vibrating and other correctional methods failed, and the pour was ultimately unsuccessful. Even worse, the concrete fell 350 millimeters (13.8 inches) short, leaving a mesh of exposed rebar. For CLJV and Asia Waterjet Equipment, the challenges were adding up, making for a very difficult repair. The pilon was nearly complete. While CLJV had budgeted time and money for small complications, it could not afford to demolish the whole pilon and start over. Crews with handheld breakers or excavators could remove the poor-quality concrete, but only by destroying the rebar. They would have to cut the exposed rebar at the top of the pilon to access the concrete a foot below. More rebar would be damaged as the poor-quality concrete was removed, and microfractures from the vibration of jackhammers or excavators would weaken the remaining concrete, jeopardizing the pilon\u2019s integrity. \u201cThere was no option; the rebar and existing good concrete had to be protected,\u201d Parkhill said. \u201cIf CLJV went with traditional demolition methods, they\u2019d have to open, pry apart where possible or cut the rebar and manually jack hammer out the bad concrete. There\u2019s no guarantee a man using a jack hammer could gauge what\u2019s good and what\u2019s bad, so they\u2019d end up removing extra. Then they\u2019d have to bend the rebar back into place without breaking it, or weld or cut new threads and join with it threaded couplers. It would add weeks to the project and a significant cost to the budget. They simply couldn\u2019t afford it.\u201d Asia Waterjet Equipment knew Hydrodemolition was the only solution. The non-intrusive method uses high-pressure water jets as powerful as 40,000 psi manipulated by an automated robot to remove layers of deteriorated and damaged concrete. The high-pressure water exceeds the strength of the concrete to widen existing pores and microcracks, breaking it apart in a controlled manner. Unlike other mechanical methods, Hydrodemolition is impact free, eliminating the vibrations that cause microfractures. Additionally, the method meets European Standards EN 1504 and provides a superior bonding surface for new concrete. The Aqua Cutter 710V\u2019s high-pressure water jet leaves a rough, irregular profile after removing the initial layer of concrete that results in a better bonding strength. The robot also cleans and descales the exposed rebar and removes non-visible contaminants such as dirt, mud, foundation mud, salts, chlorides and sulfates. Building Bridges Productivity was also a concern. With simultaneous construction continuing on several other pilons in the area, crews needed to remove the poor-quality concrete and complete repairs quickly \u2014 with minimal labor. With the ability to complete concrete removal tasks up to 25 times faster than a hand lance, the Aqua Cutter provided the necessary solution to keep the project on schedule. Asia Waterjet Equipment brought in Aquajet Special Application Manager Kjell Isaksson to support the operation. \u201cThere were a lot of variables and no room for error,\u201d Parkhill said. \u201cTo minimize the risk of delays, we decided it would be best to have an Aquajet specialist on site.\u201d Like the cement trucks, the Aqua Cutter and all support equipment, including a high-pressure waterjet power pack with a 4200 series Jetstream pump, had to access the site from the Mactan Chanel. Proximity to the water and the frequent, heavy rains of monsoon season made ground conditions difficult. However, since the Aqua Cutter is self-propelled with tracks, the uneven, muddy terrain presented no problems for Asia Waterjet Equipment. This minimized necessary site preparations and helped accelerate repairs. Crossing the Bridge to Success This mobility was also necessary for tackling the demolition itself. Once lifted the 4 meters (13 feet) onto the pile cap by a crane, the Aqua Cutter was able to easily maneuver over the rebar. The high-pressure pump was setup 7 meters (23 feet) away and connected to the Hydrodemolition robot by a high-pressure hose. To help reduce cost and increase production, Asia Waterjet Equipment opted to use seawater for the majority of the demolition rather than bring in fresh water. The company continually filled two 20-cubic meter (5,283 gallon) night tanks directly from the Mactan Chanel. Fresh water was only used during the last two days of the project to remove salt and other impurities that could impact bonding. Using the Hydrodemolition robot, operating at 1,000 bar (15,000 psi), and two employees, Asia Waterjet Equipment removed 10 cubic meters (13 cubic yards) of poor-quality concrete at a depth of 150-250 millimeters (6-10 inches) in days. \u201cWith the Aquajet Aqua Cutter, we increased productivity to a point where construction was back on schedule,\u201d Parkhill said. \u201cWithout Hydrodemolition, there\u2019s no way CLJV would have been able to do that.\u201d The Future of Hydrodemolition While construction on the bridge system continues, Asia Waterjet Equipment is already on to the next challenge. \u201cConstruction in Southeast Asia is changing,\u201d Parkhill said. \u201cRobotic processes like Hydrodemolition are proving you can have productivity and safety. With innovative partners like Aquajet, Asia Waterjet Equipment is playing a leading role in facilitating that change.\u201d\" width=\"700\" height=\"525\"><\/a><\/p>\n<p><em>Les \u00e9quipes \u00e9quip\u00e9es de brise-roche manuels ou d&#8217;excavateurs pouvaient d\u00e9monter le b\u00e9ton de mauvaise qualit\u00e9, mais seulement en d\u00e9truisant les barres d&#8217;armature. Asia Waterjet Equipment savait que l&#8217;hydrod\u00e9molition \u00e9tait le seul proc\u00e9d\u00e9 offrant la pr\u00e9cision et la productivit\u00e9 n\u00e9cessaires pour maintenir le projet sur les rails. <\/em><\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p><strong>L&#8217;eau trouble<\/strong><\/p>\n<p>L&#8217;acc\u00e8s \u00e9tait le principal probl\u00e8me. CLJV menait simultan\u00e9ment des travaux de construction sur plusieurs piliers de pont. Afin de minimiser les perturbations pour la communaut\u00e9 locale, l&#8217;aire de transit principale du projet, ainsi que le premier pilier, n&#8217;\u00e9taient accessibles que depuis la c\u00f4te. Le b\u00e9ton devait donc \u00eatre m\u00e9lang\u00e9 \u00e0 2,5 kilom\u00e8tres de la c\u00f4te, puis transport\u00e9 par barge jusqu&#8217;au chantier. De l\u00e0, la barge \u00e9tait \u00e9chou\u00e9e et les camions d\u00e9barquaient directement sur la plage. Le pilon se trouvait \u00e0 30 m\u00e8tres (98 pieds) \u00e0 l&#8217;int\u00e9rieur des terres.     <\/p>\n<h5><\/h5>\n<p>Dans l&#8217;ensemble, le retard de transport n&#8217;a pas eu d&#8217;impact n\u00e9gatif sur le b\u00e9ton, et le pilon de 16 m\u00e8tres sur 14 (52,5 sur 45,9 pieds) a rapidement atteint 4 m\u00e8tres de haut. Cependant, une complication au niveau d&#8217;une seule livraison a menac\u00e9 de retarder l&#8217;ensemble du projet et de d\u00e9passer le budget. <\/p>\n<h5><\/h5>\n<p>&#8220;Lorsque vous travaillez avec du b\u00e9ton, il arrive que les choses ne se passent pas comme pr\u00e9vu&#8221;, explique M. Parkhill. &#8220;Il s&#8217;agit d&#8217;une \u00e9quation d\u00e9licate, apr\u00e8s tout, et m\u00eame une l\u00e9g\u00e8re erreur de calcul peut ruiner le m\u00e9lange. Malheureusement, lorsque cela se produit, il n&#8217;y a pas de solution facile&#8221;. <\/p>\n<h5><\/h5>\n<p>Les \u00e9quipes ont su imm\u00e9diatement qu&#8217;il y avait un probl\u00e8me. Le b\u00e9ton \u00e9tait d\u00e9j\u00e0 en train de prendre pendant qu&#8217;ils pompaient. La vibration et les autres m\u00e9thodes de correction ont \u00e9chou\u00e9, et la coul\u00e9e s&#8217;est finalement sold\u00e9e par un \u00e9chec. Pire encore, il manquait 350 millim\u00e8tres (13,8 pouces) de b\u00e9ton, ce qui laissait un filet de barres d&#8217;armature expos\u00e9es.   <\/p>\n<h5><\/h5>\n<p>Pour CLJV et Asia Waterjet Equipment, les d\u00e9fis s&#8217;accumulaient, rendant la r\u00e9paration tr\u00e8s difficile. Le pilon \u00e9tait presque termin\u00e9. Bien que CLJV ait pr\u00e9vu du temps et de l&#8217;argent pour les petites complications, elle ne pouvait pas se permettre de d\u00e9molir l&#8217;ensemble du pilier et de recommencer.  <\/p>\n<h5><\/h5>\n<p>Les \u00e9quipes \u00e9quip\u00e9es de brise-roche portatifs ou de pelles hydrauliques ont pu proc\u00e9der au d\u00e9montage du b\u00e9ton de mauvaise qualit\u00e9, mais seulement en d\u00e9truisant les barres d&#8217;armature. Elles devaient couper les barres d&#8217;armature expos\u00e9es au sommet du pilier pour acc\u00e9der au b\u00e9ton situ\u00e9 un pied plus bas. D&#8217;autres barres d&#8217;armature seraient endommag\u00e9es au fur et \u00e0 mesure du d\u00e9montage du b\u00e9ton de mauvaise qualit\u00e9, et les microfractures provoqu\u00e9es par les vibrations des marteaux-piqueurs ou des excavatrices affaibliraient le b\u00e9ton restant, mettant en p\u00e9ril l&#8217;int\u00e9grit\u00e9 du pilier.  <\/p>\n<h5><\/h5>\n<p>&#8220;Il n&#8217;y avait pas d&#8217;autre choix : les barres d&#8217;armature et le bon b\u00e9ton existant devaient \u00eatre prot\u00e9g\u00e9s&#8221;, explique M. Parkhill. &#8220;Si CLJV avait utilis\u00e9 des m\u00e9thodes de d\u00e9molition traditionnelles, elle aurait d\u00fb ouvrir, \u00e9carter l\u00e0 o\u00f9 c&#8217;\u00e9tait possible ou couper les barres d&#8217;armature et extraire manuellement le mauvais b\u00e9ton \u00e0 l&#8217;aide d&#8217;un marteau-piqueur. Il n&#8217;y a aucune garantie qu&#8217;un homme utilisant un marteau-piqueur puisse \u00e9valuer ce qui est bon et ce qui est mauvais, de sorte qu&#8217;ils finiraient par en enlever davantage. Il faudrait ensuite plier les barres d&#8217;armature pour les remettre en place sans les casser, ou souder ou couper de nouveaux filets et les assembler \u00e0 l&#8217;aide de raccords filet\u00e9s. Cela aurait ajout\u00e9 des semaines au projet et un co\u00fbt important au budget. Ils ne pouvaient tout simplement pas se le permettre&#8221;. <\/p>\n<h5><\/h5>\n<p>Asia Waterjet Equipment savait que l&#8217;hydrod\u00e9molition \u00e9tait la seule solution. Cette m\u00e9thode non intrusive utilise des jets d&#8217;eau haute pression d&#8217;une puissance de 40 000 psi manipul\u00e9s par un robot automatis\u00e9 pour d\u00e9monter les couches de b\u00e9ton d\u00e9t\u00e9rior\u00e9 et endommag\u00e9. L&#8217;eau \u00e0 haute pression d\u00e9passe la r\u00e9sistance du b\u00e9ton pour \u00e9largir les pores et les microfissures existantes, le d\u00e9sagr\u00e9geant de mani\u00e8re contr\u00f4l\u00e9e. Contrairement \u00e0 d&#8217;autres m\u00e9thodes m\u00e9caniques, l&#8217;hydrod\u00e9molition est sans impact, ce qui \u00e9limine les vibrations \u00e0 l&#8217;origine des microfractures.   <\/p>\n<h5><\/h5>\n<p>En outre, la m\u00e9thode est conforme aux <a href=\"https:\/\/aquajet.se\/hydrodemolition-101\/crash-course-101\/\">normes europ\u00e9ennes EN 1504<\/a> et offre une surface d&#8217;adh\u00e9rence sup\u00e9rieure pour le nouveau b\u00e9ton. Le jet d&#8217;eau haute pression de l&#8217;Aqua Cutter 710V laisse un profil rugueux et irr\u00e9gulier apr\u00e8s avoir d\u00e9mont\u00e9 la couche initiale de b\u00e9ton, ce qui se traduit par une meilleure force d&#8217;adh\u00e9rence. Le robot nettoie et d\u00e9tartre \u00e9galement les barres d&#8217;armature expos\u00e9es et \u00e9limine les contaminants non visibles tels que la salet\u00e9, la boue, la boue de fondation, les sels, les chlorures et les sulfates.  <\/p>\n<p>&nbsp;<\/p>\n<p><a href=\"https:\/\/aquajet.se\/bed\/uploads\/2021\/02\/aquajet_awe_filippinerna-bridge-repair-1.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-9532\" src=\"https:\/\/aquajet.se\/bed\/uploads\/2021\/02\/aquajet_awe_filippinerna-bridge-repair-1-700x525.jpg\" alt=\"No matter the project \u2014 from a simple structure to a massive, multi-million-dollar bridge system \u2014 efficient construction requires thorough planning. But, even with flawless logistics, projects can run into challenges that put deadlines in jeopardy. Construction is currently underway in the Philippines on a massive bridge system connecting Cebu City with Cordova on the southern end of Mactan Island. The 8.5-kilometer (5.3-mile) Cebu-Cordova Link Expressway, slated for completion in 2021, will span the Mactan Channel with 51-meter (167-feet) navigational clearance for shipping vessels. It promises to ease congestion between Cebu and Mactan and boost economic activities throughout the region by providing additional access to the island and the Mactan-Cebu International Airport for an estimated 50,000 vehicles a day. As expected, the construction \u2014 one of the largest infrastructure projects in the country \u2014 relies on a carefully choreographed plan of simultaneous operations to meet strict deadlines. Expert logistics allow crews to avoid many hurdles; however, unforeseen challenges can still arise. When a bad batch of concrete threatened to derail progress on one of the bridge\u2019s first pilons, project managers needed a creative solution that could quickly remove the poor-quality concrete without damaging the rebar or putting the project behind schedule. Hydrodemolition was the only process with the precision and productivity to keep the project on track. Cebu Link Joint Venture (CLJV) contacted Singapore-based Asia Waterjet Equipment, the region\u2019s premier Hydrodemolition experts. Access and site conditions presented quite a challenge, but with decades of experience in some of the most hazardous applications, Asia Waterjet Equipment was more than up to the task. With the clock ticking and monsoon season in full swing, the team arrived onsite with an Aquajet Aqua Cutter 710V Hydrodemolition robot and Jetstream HP Waterjetting Pump. Passion for Problem Solving In the early 1990s, Asia Waterjet Equipment\u2019s founders were part of the brave crews tasked with containing oil wells in Kuwait that were destroyed during the Persian Gulf War. Their experience helped avert a huge environmental crisis. They remained in the Middle East, eventually founding Asia Waterjet Equipment in 2006, bringing high-pressure water jetting and robotic Hydrodemolition to the Middle East and South East Asia. Now, with offices in Dubai, Abu Dhabi, Saudi Arabia, Bahrain and Singapore and a strong presence and partnerships throughout these territories, the company is known for creative problem solving \u2014 delivering innovative cutting and cleaning solutions for hazardous areas or difficult to pump products in petrochemical, wastewater, mining, construction and other industries. They also offer a range of robotic solutions to help customers protect employees and perform beyond expectations. \u201cOur focus has always been providing the cutting-edge tools to make challenging applications safer and more efficient,\u201d said Chris Parkhill, Asia Waterjet Equipment Sales Director for Southeast Asia. \u201cFrom the very beginning, we\u2019ve been involved in some of the most hazardous operations out there. We understand the demands and dangers, which is why we partner with industry-leading equipment manufacturers for robust solutions that maximize safety and productivity.\u201d Pairing the right tools with experienced team members who bring a wealth of industry knowledge and a deep understanding of local markets to each project has earned Asia Waterjet Equipment a reputation for high-quality results. In emerging markets, such as the Philippines, where the demands of multi-million-dollar projects have become a proving ground for newer, more efficient technologies, this expertise puts the company at the forefront. \u201cFrom North Africa to South East Asia, we cover a lot of ground,\u201d Parkhill said. \u201cBut being able to meet the contractor where they are is key to a successful solution. Working with CLJV, there were a number of challenges we had to overcome to keep the project on track. Hydrodemolition was the best solution and Aquajet was the best tool for the job.\u201d Troubled Water Access was the primary problem. CLJV was conducting construction on several bridge pilons simultaneously. To minimize disruptions to the local community, the project\u2019s primary staging area, as well as the initial pilon, were only accessible from the coast. This meant the concrete had to be mixed 2.5 kilometers (1.6 miles) down the coast then transported by barge to the jobsite. From there, the barge was grounded, and the trucks disembarked directly onto the beach. The pilon was 30 meters (98 feet) inland. Overall, the transportation delay had no negative impacts on the concrete, and the 16-by-14-meter (52.5-by-45.9-foot) pilon quickly grew to 4 meters (13 feet) tall. However, a complication with a single delivery threatened to throw the entire project behind schedule and over budget. \u201cWhen you are working with concrete, sometimes things don\u2019t go to plan,\u201d Parkhill said. \u201cIt\u2019s a delicate equation, after all, and even a slight miscalculation can ruin the mixture. Unfortunately, when that happens, there isn\u2019t an easy fix.\u201d Crews knew there was a problem immediately. The concrete was already setting as they pumped. Vibrating and other correctional methods failed, and the pour was ultimately unsuccessful. Even worse, the concrete fell 350 millimeters (13.8 inches) short, leaving a mesh of exposed rebar. For CLJV and Asia Waterjet Equipment, the challenges were adding up, making for a very difficult repair. The pilon was nearly complete. While CLJV had budgeted time and money for small complications, it could not afford to demolish the whole pilon and start over. Crews with handheld breakers or excavators could remove the poor-quality concrete, but only by destroying the rebar. They would have to cut the exposed rebar at the top of the pilon to access the concrete a foot below. More rebar would be damaged as the poor-quality concrete was removed, and microfractures from the vibration of jackhammers or excavators would weaken the remaining concrete, jeopardizing the pilon\u2019s integrity. \u201cThere was no option; the rebar and existing good concrete had to be protected,\u201d Parkhill said. \u201cIf CLJV went with traditional demolition methods, they\u2019d have to open, pry apart where possible or cut the rebar and manually jack hammer out the bad concrete. There\u2019s no guarantee a man using a jack hammer could gauge what\u2019s good and what\u2019s bad, so they\u2019d end up removing extra. Then they\u2019d have to bend the rebar back into place without breaking it, or weld or cut new threads and join with it threaded couplers. It would add weeks to the project and a significant cost to the budget. They simply couldn\u2019t afford it.\u201d Asia Waterjet Equipment knew Hydrodemolition was the only solution. The non-intrusive method uses high-pressure water jets as powerful as 40,000 psi manipulated by an automated robot to remove layers of deteriorated and damaged concrete. The high-pressure water exceeds the strength of the concrete to widen existing pores and microcracks, breaking it apart in a controlled manner. Unlike other mechanical methods, Hydrodemolition is impact free, eliminating the vibrations that cause microfractures. Additionally, the method meets European Standards EN 1504 and provides a superior bonding surface for new concrete. The Aqua Cutter 710V\u2019s high-pressure water jet leaves a rough, irregular profile after removing the initial layer of concrete that results in a better bonding strength. The robot also cleans and descales the exposed rebar and removes non-visible contaminants such as dirt, mud, foundation mud, salts, chlorides and sulfates. Building Bridges Productivity was also a concern. With simultaneous construction continuing on several other pilons in the area, crews needed to remove the poor-quality concrete and complete repairs quickly \u2014 with minimal labor. With the ability to complete concrete removal tasks up to 25 times faster than a hand lance, the Aqua Cutter provided the necessary solution to keep the project on schedule. Asia Waterjet Equipment brought in Aquajet Special Application Manager Kjell Isaksson to support the operation. \u201cThere were a lot of variables and no room for error,\u201d Parkhill said. \u201cTo minimize the risk of delays, we decided it would be best to have an Aquajet specialist on site.\u201d Like the cement trucks, the Aqua Cutter and all support equipment, including a high-pressure waterjet power pack with a 4200 series Jetstream pump, had to access the site from the Mactan Chanel. Proximity to the water and the frequent, heavy rains of monsoon season made ground conditions difficult. However, since the Aqua Cutter is self-propelled with tracks, the uneven, muddy terrain presented no problems for Asia Waterjet Equipment. This minimized necessary site preparations and helped accelerate repairs. Crossing the Bridge to Success This mobility was also necessary for tackling the demolition itself. Once lifted the 4 meters (13 feet) onto the pile cap by a crane, the Aqua Cutter was able to easily maneuver over the rebar. The high-pressure pump was setup 7 meters (23 feet) away and connected to the Hydrodemolition robot by a high-pressure hose. To help reduce cost and increase production, Asia Waterjet Equipment opted to use seawater for the majority of the demolition rather than bring in fresh water. The company continually filled two 20-cubic meter (5,283 gallon) night tanks directly from the Mactan Chanel. Fresh water was only used during the last two days of the project to remove salt and other impurities that could impact bonding. Using the Hydrodemolition robot, operating at 1,000 bar (15,000 psi), and two employees, Asia Waterjet Equipment removed 10 cubic meters (13 cubic yards) of poor-quality concrete at a depth of 150-250 millimeters (6-10 inches) in days. \u201cWith the Aquajet Aqua Cutter, we increased productivity to a point where construction was back on schedule,\u201d Parkhill said. \u201cWithout Hydrodemolition, there\u2019s no way CLJV would have been able to do that.\u201d The Future of Hydrodemolition While construction on the bridge system continues, Asia Waterjet Equipment is already on to the next challenge. \u201cConstruction in Southeast Asia is changing,\u201d Parkhill said. \u201cRobotic processes like Hydrodemolition are proving you can have productivity and safety. With innovative partners like Aquajet, Asia Waterjet Equipment is playing a leading role in facilitating that change.\u201d\" width=\"700\" height=\"525\"><\/a><\/p>\n<p><em>Avec sa capacit\u00e9 \u00e0 r\u00e9aliser des t\u00e2ches de d\u00e9montage du b\u00e9ton jusqu&#8217;\u00e0 25 fois plus rapidement qu&#8217;une lance manuelle, l&#8217;Aqua Cutter d&#8217;Aquajet a fourni la solution n\u00e9cessaire pour maintenir le projet d&#8217;Asia Waterjet Equipment dans les d\u00e9lais.<\/em><\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p><strong>Construire des ponts<\/strong><\/p>\n<p>La productivit\u00e9 \u00e9tait \u00e9galement un probl\u00e8me. Les travaux de construction se poursuivant simultan\u00e9ment sur plusieurs autres piliers dans la r\u00e9gion, les \u00e9quipes devaient proc\u00e9der au d\u00e9montage du b\u00e9ton de mauvaise qualit\u00e9 et effectuer les r\u00e9parations rapidement, avec un minimum de main-d&#8217;\u0153uvre. <\/p>\n<h5><\/h5>\n<p>Capable de r\u00e9aliser des travaux de d\u00e9montage du b\u00e9ton jusqu&#8217;\u00e0 25 fois plus rapidement qu&#8217;une lance manuelle, l&#8217;Aqua Cutter a fourni la solution n\u00e9cessaire pour respecter le calendrier du projet. Asia Waterjet Equipment a fait appel \u00e0 Kjell Isaksson, responsable des applications sp\u00e9ciales d&#8217;Aquajet, pour soutenir l&#8217;op\u00e9ration. <\/p>\n<h5><\/h5>\n<p>&#8220;Il y avait beaucoup de variables et pas de place pour l&#8217;erreur&#8221;, a d\u00e9clar\u00e9 M. Parkhill. &#8220;Pour minimiser les risques de retard, nous avons d\u00e9cid\u00e9 qu&#8217;il serait pr\u00e9f\u00e9rable d&#8217;avoir un sp\u00e9cialiste Aquajet sur place.&#8221; <\/p>\n<h5><\/h5>\n<p>Tout comme les camions de ciment, l&#8217;Aqua Cutter et tout l&#8217;\u00e9quipement de soutien, y compris un bloc d&#8217;alimentation \u00e0 jet d&#8217;eau haute pression \u00e9quip\u00e9 d&#8217;une pompe Jetstream de la s\u00e9rie 4200, devaient acc\u00e9der au site depuis le Chanel de Mactan. La proximit\u00e9 de l&#8217;eau et les pluies fr\u00e9quentes et abondantes de la mousson ont rendu les conditions du terrain difficiles. Cependant, comme l&#8217;Aqua Cutter est autopropuls\u00e9 avec des chenilles, le terrain in\u00e9gal et boueux n&#8217;a pos\u00e9 aucun probl\u00e8me \u00e0 Asia Waterjet Equipment. Cela a permis de minimiser les pr\u00e9parations n\u00e9cessaires sur le site et d&#8217;acc\u00e9l\u00e9rer les r\u00e9parations.   <\/p>\n<p>&nbsp;<\/p>\n<p><a href=\"https:\/\/aquajet.se\/bed\/uploads\/2021\/02\/aquajet_awe_filippinerna-bridge-repair_1024-5.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-9536\" src=\"https:\/\/aquajet.se\/bed\/uploads\/2021\/02\/aquajet_awe_filippinerna-bridge-repair_1024-5-700x525.jpg\" alt=\"No matter the project \u2014 from a simple structure to a massive, multi-million-dollar bridge system \u2014 efficient construction requires thorough planning. But, even with flawless logistics, projects can run into challenges that put deadlines in jeopardy. Construction is currently underway in the Philippines on a massive bridge system connecting Cebu City with Cordova on the southern end of Mactan Island. The 8.5-kilometer (5.3-mile) Cebu-Cordova Link Expressway, slated for completion in 2021, will span the Mactan Channel with 51-meter (167-feet) navigational clearance for shipping vessels. It promises to ease congestion between Cebu and Mactan and boost economic activities throughout the region by providing additional access to the island and the Mactan-Cebu International Airport for an estimated 50,000 vehicles a day. As expected, the construction \u2014 one of the largest infrastructure projects in the country \u2014 relies on a carefully choreographed plan of simultaneous operations to meet strict deadlines. Expert logistics allow crews to avoid many hurdles; however, unforeseen challenges can still arise. When a bad batch of concrete threatened to derail progress on one of the bridge\u2019s first pilons, project managers needed a creative solution that could quickly remove the poor-quality concrete without damaging the rebar or putting the project behind schedule. Hydrodemolition was the only process with the precision and productivity to keep the project on track. Cebu Link Joint Venture (CLJV) contacted Singapore-based Asia Waterjet Equipment, the region\u2019s premier Hydrodemolition experts. Access and site conditions presented quite a challenge, but with decades of experience in some of the most hazardous applications, Asia Waterjet Equipment was more than up to the task. With the clock ticking and monsoon season in full swing, the team arrived onsite with an Aquajet Aqua Cutter 710V Hydrodemolition robot and Jetstream HP Waterjetting Pump. Passion for Problem Solving In the early 1990s, Asia Waterjet Equipment\u2019s founders were part of the brave crews tasked with containing oil wells in Kuwait that were destroyed during the Persian Gulf War. Their experience helped avert a huge environmental crisis. They remained in the Middle East, eventually founding Asia Waterjet Equipment in 2006, bringing high-pressure water jetting and robotic Hydrodemolition to the Middle East and South East Asia. Now, with offices in Dubai, Abu Dhabi, Saudi Arabia, Bahrain and Singapore and a strong presence and partnerships throughout these territories, the company is known for creative problem solving \u2014 delivering innovative cutting and cleaning solutions for hazardous areas or difficult to pump products in petrochemical, wastewater, mining, construction and other industries. They also offer a range of robotic solutions to help customers protect employees and perform beyond expectations. \u201cOur focus has always been providing the cutting-edge tools to make challenging applications safer and more efficient,\u201d said Chris Parkhill, Asia Waterjet Equipment Sales Director for Southeast Asia. \u201cFrom the very beginning, we\u2019ve been involved in some of the most hazardous operations out there. We understand the demands and dangers, which is why we partner with industry-leading equipment manufacturers for robust solutions that maximize safety and productivity.\u201d Pairing the right tools with experienced team members who bring a wealth of industry knowledge and a deep understanding of local markets to each project has earned Asia Waterjet Equipment a reputation for high-quality results. In emerging markets, such as the Philippines, where the demands of multi-million-dollar projects have become a proving ground for newer, more efficient technologies, this expertise puts the company at the forefront. \u201cFrom North Africa to South East Asia, we cover a lot of ground,\u201d Parkhill said. \u201cBut being able to meet the contractor where they are is key to a successful solution. Working with CLJV, there were a number of challenges we had to overcome to keep the project on track. Hydrodemolition was the best solution and Aquajet was the best tool for the job.\u201d Troubled Water Access was the primary problem. CLJV was conducting construction on several bridge pilons simultaneously. To minimize disruptions to the local community, the project\u2019s primary staging area, as well as the initial pilon, were only accessible from the coast. This meant the concrete had to be mixed 2.5 kilometers (1.6 miles) down the coast then transported by barge to the jobsite. From there, the barge was grounded, and the trucks disembarked directly onto the beach. The pilon was 30 meters (98 feet) inland. Overall, the transportation delay had no negative impacts on the concrete, and the 16-by-14-meter (52.5-by-45.9-foot) pilon quickly grew to 4 meters (13 feet) tall. However, a complication with a single delivery threatened to throw the entire project behind schedule and over budget. \u201cWhen you are working with concrete, sometimes things don\u2019t go to plan,\u201d Parkhill said. \u201cIt\u2019s a delicate equation, after all, and even a slight miscalculation can ruin the mixture. Unfortunately, when that happens, there isn\u2019t an easy fix.\u201d Crews knew there was a problem immediately. The concrete was already setting as they pumped. Vibrating and other correctional methods failed, and the pour was ultimately unsuccessful. Even worse, the concrete fell 350 millimeters (13.8 inches) short, leaving a mesh of exposed rebar. For CLJV and Asia Waterjet Equipment, the challenges were adding up, making for a very difficult repair. The pilon was nearly complete. While CLJV had budgeted time and money for small complications, it could not afford to demolish the whole pilon and start over. Crews with handheld breakers or excavators could remove the poor-quality concrete, but only by destroying the rebar. They would have to cut the exposed rebar at the top of the pilon to access the concrete a foot below. More rebar would be damaged as the poor-quality concrete was removed, and microfractures from the vibration of jackhammers or excavators would weaken the remaining concrete, jeopardizing the pilon\u2019s integrity. \u201cThere was no option; the rebar and existing good concrete had to be protected,\u201d Parkhill said. \u201cIf CLJV went with traditional demolition methods, they\u2019d have to open, pry apart where possible or cut the rebar and manually jack hammer out the bad concrete. There\u2019s no guarantee a man using a jack hammer could gauge what\u2019s good and what\u2019s bad, so they\u2019d end up removing extra. Then they\u2019d have to bend the rebar back into place without breaking it, or weld or cut new threads and join with it threaded couplers. It would add weeks to the project and a significant cost to the budget. They simply couldn\u2019t afford it.\u201d Asia Waterjet Equipment knew Hydrodemolition was the only solution. The non-intrusive method uses high-pressure water jets as powerful as 40,000 psi manipulated by an automated robot to remove layers of deteriorated and damaged concrete. The high-pressure water exceeds the strength of the concrete to widen existing pores and microcracks, breaking it apart in a controlled manner. Unlike other mechanical methods, Hydrodemolition is impact free, eliminating the vibrations that cause microfractures. Additionally, the method meets European Standards EN 1504 and provides a superior bonding surface for new concrete. The Aqua Cutter 710V\u2019s high-pressure water jet leaves a rough, irregular profile after removing the initial layer of concrete that results in a better bonding strength. The robot also cleans and descales the exposed rebar and removes non-visible contaminants such as dirt, mud, foundation mud, salts, chlorides and sulfates. Building Bridges Productivity was also a concern. With simultaneous construction continuing on several other pilons in the area, crews needed to remove the poor-quality concrete and complete repairs quickly \u2014 with minimal labor. With the ability to complete concrete removal tasks up to 25 times faster than a hand lance, the Aqua Cutter provided the necessary solution to keep the project on schedule. Asia Waterjet Equipment brought in Aquajet Special Application Manager Kjell Isaksson to support the operation. \u201cThere were a lot of variables and no room for error,\u201d Parkhill said. \u201cTo minimize the risk of delays, we decided it would be best to have an Aquajet specialist on site.\u201d Like the cement trucks, the Aqua Cutter and all support equipment, including a high-pressure waterjet power pack with a 4200 series Jetstream pump, had to access the site from the Mactan Chanel. Proximity to the water and the frequent, heavy rains of monsoon season made ground conditions difficult. However, since the Aqua Cutter is self-propelled with tracks, the uneven, muddy terrain presented no problems for Asia Waterjet Equipment. This minimized necessary site preparations and helped accelerate repairs. Crossing the Bridge to Success This mobility was also necessary for tackling the demolition itself. Once lifted the 4 meters (13 feet) onto the pile cap by a crane, the Aqua Cutter was able to easily maneuver over the rebar. The high-pressure pump was setup 7 meters (23 feet) away and connected to the Hydrodemolition robot by a high-pressure hose. To help reduce cost and increase production, Asia Waterjet Equipment opted to use seawater for the majority of the demolition rather than bring in fresh water. The company continually filled two 20-cubic meter (5,283 gallon) night tanks directly from the Mactan Chanel. Fresh water was only used during the last two days of the project to remove salt and other impurities that could impact bonding. Using the Hydrodemolition robot, operating at 1,000 bar (15,000 psi), and two employees, Asia Waterjet Equipment removed 10 cubic meters (13 cubic yards) of poor-quality concrete at a depth of 150-250 millimeters (6-10 inches) in days. \u201cWith the Aquajet Aqua Cutter, we increased productivity to a point where construction was back on schedule,\u201d Parkhill said. \u201cWithout Hydrodemolition, there\u2019s no way CLJV would have been able to do that.\u201d The Future of Hydrodemolition While construction on the bridge system continues, Asia Waterjet Equipment is already on to the next challenge. \u201cConstruction in Southeast Asia is changing,\u201d Parkhill said. \u201cRobotic processes like Hydrodemolition are proving you can have productivity and safety. With innovative partners like Aquajet, Asia Waterjet Equipment is playing a leading role in facilitating that change.\u201d\" width=\"700\" height=\"525\"><\/a><\/p>\n<p><em>Le terrain irr\u00e9gulier et boueux du chantier n&#8217;a pos\u00e9 aucun probl\u00e8me \u00e0 l&#8217;Aqua Cutter automoteur. Cela a permis de minimiser les pr\u00e9parations n\u00e9cessaires sur le site et d&#8217;acc\u00e9l\u00e9rer les r\u00e9parations. <\/em><\/p>\n<p><strong> <\/strong><\/p>\n<p><strong>Traverser le pont de la r\u00e9ussite<\/strong><\/p>\n<p>Cette mobilit\u00e9 \u00e9tait \u00e9galement n\u00e9cessaire pour s&#8217;attaquer \u00e0 la d\u00e9molition elle-m\u00eame. Une fois soulev\u00e9 par une grue \u00e0 4 m\u00e8tres (13 pieds) du sommet du pieu, l&#8217;Aqua Cutter a pu facilement man\u0153uvrer sur les barres d&#8217;armature. La pompe haute pression a \u00e9t\u00e9 install\u00e9e \u00e0 7 m\u00e8tres de distance et reli\u00e9e au robot Hydrod\u00e9molition par un tuyau haute pression.  <\/p>\n<h5><\/h5>\n<p>Pour r\u00e9duire les co\u00fbts et augmenter la production, Asia Waterjet Equipment a choisi d&#8217;utiliser de l&#8217;eau de mer pour la majeure partie de la d\u00e9molition plut\u00f4t que d&#8217;apporter de l&#8217;eau douce. L&#8217;entreprise a continuellement rempli deux r\u00e9servoirs de nuit de 20 m\u00e8tres cubes (5 283 gallons) directement \u00e0 partir du Mactan Chanel. L&#8217;eau douce n&#8217;a \u00e9t\u00e9 utilis\u00e9e que pendant les deux derniers jours du projet afin d&#8217;\u00e9liminer le sel et les autres impuret\u00e9s susceptibles de nuire \u00e0 l&#8217;adh\u00e9rence.  <\/p>\n<h5><\/h5>\n<p>\u00c0 l&#8217;aide du robot Hydrod\u00e9molition, fonctionnant \u00e0 1 000 bars (15 000 psi), et de deux employ\u00e9s, Asia Waterjet Equipment a d\u00e9mont\u00e9 10 m\u00e8tres cubes (13 yards cubes) de b\u00e9ton de mauvaise qualit\u00e9 \u00e0 une profondeur de 150-250 millim\u00e8tres (6-10 pouces) en quelques jours.<\/p>\n<h5><\/h5>\n<p>&#8221; Gr\u00e2ce \u00e0 l&#8217;Aqua Cutter, nous avons augment\u00e9 la productivit\u00e9 \u00e0 un point tel que la construction a repris dans les d\u00e9lais &#8220;, a d\u00e9clar\u00e9 Parkhill. &#8220;Sans Hydrod\u00e9molition, il n&#8217;y a aucune chance que CLJV ait pu faire cela&#8221;. <\/p>\n<p>&nbsp;<\/p>\n<p><a href=\"https:\/\/aquajet.se\/bed\/uploads\/2021\/02\/aquajet_awe_filippinerna-bridge-repair_1024-6.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-9537\" src=\"https:\/\/aquajet.se\/bed\/uploads\/2021\/02\/aquajet_awe_filippinerna-bridge-repair_1024-6-700x525.jpg\" alt=\"No matter the project \u2014 from a simple structure to a massive, multi-million-dollar bridge system \u2014 efficient construction requires thorough planning. But, even with flawless logistics, projects can run into challenges that put deadlines in jeopardy. Construction is currently underway in the Philippines on a massive bridge system connecting Cebu City with Cordova on the southern end of Mactan Island. The 8.5-kilometer (5.3-mile) Cebu-Cordova Link Expressway, slated for completion in 2021, will span the Mactan Channel with 51-meter (167-feet) navigational clearance for shipping vessels. It promises to ease congestion between Cebu and Mactan and boost economic activities throughout the region by providing additional access to the island and the Mactan-Cebu International Airport for an estimated 50,000 vehicles a day. As expected, the construction \u2014 one of the largest infrastructure projects in the country \u2014 relies on a carefully choreographed plan of simultaneous operations to meet strict deadlines. Expert logistics allow crews to avoid many hurdles; however, unforeseen challenges can still arise. When a bad batch of concrete threatened to derail progress on one of the bridge\u2019s first pilons, project managers needed a creative solution that could quickly remove the poor-quality concrete without damaging the rebar or putting the project behind schedule. Hydrodemolition was the only process with the precision and productivity to keep the project on track. Cebu Link Joint Venture (CLJV) contacted Singapore-based Asia Waterjet Equipment, the region\u2019s premier Hydrodemolition experts. Access and site conditions presented quite a challenge, but with decades of experience in some of the most hazardous applications, Asia Waterjet Equipment was more than up to the task. With the clock ticking and monsoon season in full swing, the team arrived onsite with an Aquajet Aqua Cutter 710V Hydrodemolition robot and Jetstream HP Waterjetting Pump. Passion for Problem Solving In the early 1990s, Asia Waterjet Equipment\u2019s founders were part of the brave crews tasked with containing oil wells in Kuwait that were destroyed during the Persian Gulf War. Their experience helped avert a huge environmental crisis. They remained in the Middle East, eventually founding Asia Waterjet Equipment in 2006, bringing high-pressure water jetting and robotic Hydrodemolition to the Middle East and South East Asia. Now, with offices in Dubai, Abu Dhabi, Saudi Arabia, Bahrain and Singapore and a strong presence and partnerships throughout these territories, the company is known for creative problem solving \u2014 delivering innovative cutting and cleaning solutions for hazardous areas or difficult to pump products in petrochemical, wastewater, mining, construction and other industries. They also offer a range of robotic solutions to help customers protect employees and perform beyond expectations. \u201cOur focus has always been providing the cutting-edge tools to make challenging applications safer and more efficient,\u201d said Chris Parkhill, Asia Waterjet Equipment Sales Director for Southeast Asia. \u201cFrom the very beginning, we\u2019ve been involved in some of the most hazardous operations out there. We understand the demands and dangers, which is why we partner with industry-leading equipment manufacturers for robust solutions that maximize safety and productivity.\u201d Pairing the right tools with experienced team members who bring a wealth of industry knowledge and a deep understanding of local markets to each project has earned Asia Waterjet Equipment a reputation for high-quality results. In emerging markets, such as the Philippines, where the demands of multi-million-dollar projects have become a proving ground for newer, more efficient technologies, this expertise puts the company at the forefront. \u201cFrom North Africa to South East Asia, we cover a lot of ground,\u201d Parkhill said. \u201cBut being able to meet the contractor where they are is key to a successful solution. Working with CLJV, there were a number of challenges we had to overcome to keep the project on track. Hydrodemolition was the best solution and Aquajet was the best tool for the job.\u201d Troubled Water Access was the primary problem. CLJV was conducting construction on several bridge pilons simultaneously. To minimize disruptions to the local community, the project\u2019s primary staging area, as well as the initial pilon, were only accessible from the coast. This meant the concrete had to be mixed 2.5 kilometers (1.6 miles) down the coast then transported by barge to the jobsite. From there, the barge was grounded, and the trucks disembarked directly onto the beach. The pilon was 30 meters (98 feet) inland. Overall, the transportation delay had no negative impacts on the concrete, and the 16-by-14-meter (52.5-by-45.9-foot) pilon quickly grew to 4 meters (13 feet) tall. However, a complication with a single delivery threatened to throw the entire project behind schedule and over budget. \u201cWhen you are working with concrete, sometimes things don\u2019t go to plan,\u201d Parkhill said. \u201cIt\u2019s a delicate equation, after all, and even a slight miscalculation can ruin the mixture. Unfortunately, when that happens, there isn\u2019t an easy fix.\u201d Crews knew there was a problem immediately. The concrete was already setting as they pumped. Vibrating and other correctional methods failed, and the pour was ultimately unsuccessful. Even worse, the concrete fell 350 millimeters (13.8 inches) short, leaving a mesh of exposed rebar. For CLJV and Asia Waterjet Equipment, the challenges were adding up, making for a very difficult repair. The pilon was nearly complete. While CLJV had budgeted time and money for small complications, it could not afford to demolish the whole pilon and start over. Crews with handheld breakers or excavators could remove the poor-quality concrete, but only by destroying the rebar. They would have to cut the exposed rebar at the top of the pilon to access the concrete a foot below. More rebar would be damaged as the poor-quality concrete was removed, and microfractures from the vibration of jackhammers or excavators would weaken the remaining concrete, jeopardizing the pilon\u2019s integrity. \u201cThere was no option; the rebar and existing good concrete had to be protected,\u201d Parkhill said. \u201cIf CLJV went with traditional demolition methods, they\u2019d have to open, pry apart where possible or cut the rebar and manually jack hammer out the bad concrete. There\u2019s no guarantee a man using a jack hammer could gauge what\u2019s good and what\u2019s bad, so they\u2019d end up removing extra. Then they\u2019d have to bend the rebar back into place without breaking it, or weld or cut new threads and join with it threaded couplers. It would add weeks to the project and a significant cost to the budget. They simply couldn\u2019t afford it.\u201d Asia Waterjet Equipment knew Hydrodemolition was the only solution. The non-intrusive method uses high-pressure water jets as powerful as 40,000 psi manipulated by an automated robot to remove layers of deteriorated and damaged concrete. The high-pressure water exceeds the strength of the concrete to widen existing pores and microcracks, breaking it apart in a controlled manner. Unlike other mechanical methods, Hydrodemolition is impact free, eliminating the vibrations that cause microfractures. Additionally, the method meets European Standards EN 1504 and provides a superior bonding surface for new concrete. The Aqua Cutter 710V\u2019s high-pressure water jet leaves a rough, irregular profile after removing the initial layer of concrete that results in a better bonding strength. The robot also cleans and descales the exposed rebar and removes non-visible contaminants such as dirt, mud, foundation mud, salts, chlorides and sulfates. Building Bridges Productivity was also a concern. With simultaneous construction continuing on several other pilons in the area, crews needed to remove the poor-quality concrete and complete repairs quickly \u2014 with minimal labor. With the ability to complete concrete removal tasks up to 25 times faster than a hand lance, the Aqua Cutter provided the necessary solution to keep the project on schedule. Asia Waterjet Equipment brought in Aquajet Special Application Manager Kjell Isaksson to support the operation. \u201cThere were a lot of variables and no room for error,\u201d Parkhill said. \u201cTo minimize the risk of delays, we decided it would be best to have an Aquajet specialist on site.\u201d Like the cement trucks, the Aqua Cutter and all support equipment, including a high-pressure waterjet power pack with a 4200 series Jetstream pump, had to access the site from the Mactan Chanel. Proximity to the water and the frequent, heavy rains of monsoon season made ground conditions difficult. However, since the Aqua Cutter is self-propelled with tracks, the uneven, muddy terrain presented no problems for Asia Waterjet Equipment. This minimized necessary site preparations and helped accelerate repairs. Crossing the Bridge to Success This mobility was also necessary for tackling the demolition itself. Once lifted the 4 meters (13 feet) onto the pile cap by a crane, the Aqua Cutter was able to easily maneuver over the rebar. The high-pressure pump was setup 7 meters (23 feet) away and connected to the Hydrodemolition robot by a high-pressure hose. To help reduce cost and increase production, Asia Waterjet Equipment opted to use seawater for the majority of the demolition rather than bring in fresh water. The company continually filled two 20-cubic meter (5,283 gallon) night tanks directly from the Mactan Chanel. Fresh water was only used during the last two days of the project to remove salt and other impurities that could impact bonding. Using the Hydrodemolition robot, operating at 1,000 bar (15,000 psi), and two employees, Asia Waterjet Equipment removed 10 cubic meters (13 cubic yards) of poor-quality concrete at a depth of 150-250 millimeters (6-10 inches) in days. \u201cWith the Aquajet Aqua Cutter, we increased productivity to a point where construction was back on schedule,\u201d Parkhill said. \u201cWithout Hydrodemolition, there\u2019s no way CLJV would have been able to do that.\u201d The Future of Hydrodemolition While construction on the bridge system continues, Asia Waterjet Equipment is already on to the next challenge. \u201cConstruction in Southeast Asia is changing,\u201d Parkhill said. \u201cRobotic processes like Hydrodemolition are proving you can have productivity and safety. With innovative partners like Aquajet, Asia Waterjet Equipment is playing a leading role in facilitating that change.\u201d\" width=\"700\" height=\"525\"><\/a><\/p>\n<p><em>\u00c0 l&#8217;aide du robot Hydrod\u00e9molition, fonctionnant \u00e0 1 000 bars (15 000 psi), et de deux employ\u00e9s, Asia Waterjet Equipment a d\u00e9mont\u00e9 10 m\u00e8tres cubes (13 yards cubes) de b\u00e9ton de mauvaise qualit\u00e9 \u00e0 une profondeur de 150-250 millim\u00e8tres (6-10 pouces).<\/em><\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p><strong>L&#8217;avenir de l&#8217;hydrod\u00e9molition<\/strong><\/p>\n<p>Alors que la construction du pont se poursuit, Asia Waterjet Equipment s&#8217;attaque d\u00e9j\u00e0 au prochain d\u00e9fi.<\/p>\n<h5><\/h5>\n<p>&#8220;La construction en Asie du Sud-Est est en train de changer&#8221;, a d\u00e9clar\u00e9 M. Parkhill. &#8220;Les processus robotis\u00e9s comme l&#8217;hydrod\u00e9molition prouvent que vous pouvez avoir la productivit\u00e9 <em>et la<\/em> s\u00e9curit\u00e9. Avec des partenaires innovants comme Aquajet, Asia Waterjet Equipment joue un r\u00f4le de premier plan pour faciliter ce changement.&#8221;  <\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<hr>\n<h3>En bref<\/h3>\n<p><strong>Lieu :<\/strong><br \/>\nPont massif reliant Cebu City \u00e0 Cordova, \u00e0 l&#8217;extr\u00e9mit\u00e9 sud de l&#8217;\u00eele de Mactan, aux Philippines.<\/p>\n<p><strong>Projet de pont :<\/strong><br \/>\nLa Cebu-Cordova Link Expressway, d&#8217;une longueur de 8,5 kilom\u00e8tres (5,3 miles), devrait \u00eatre achev\u00e9e en 2021. Elle enjambera le canal de Mactan avec une hauteur libre de 51 m\u00e8tres (167 pieds) pour la navigation des navires.<\/p>\n<p><strong>Projet d&#8217;hydrod\u00e9molition :<\/strong><br \/>\nD\u00e9montage s\u00e9lectif du b\u00e9ton de mauvaise qualit\u00e9 sans endommager les barres d&#8217;armature ni retarder le projet.<\/p>\n<p><strong>Mat\u00e9riaux d\u00e9molis :<\/strong><br \/>\n10 m\u00e8tres cubes de b\u00e9ton de mauvaise qualit\u00e9 \u00e0 une profondeur de 150-250 millim\u00e8tres (6-10 pouces).<\/p>\n<p><strong>\u00c9quipement :<\/strong> Aqua Cutter 710V.<\/p>\n<p>&nbsp;<\/p>\n<hr>\n<p>&nbsp;<\/p>\n<h3>Plus d&#8217;informations<\/h3>\n<p><a href=\"https:\/\/aquajet.se\/fr\/products\/aqua-cutter-710v\/\">Aqua Cutter 710V<\/a><\/p>\n<p><a href=\"https:\/\/aquajet.se\/fr\/hydrodemolition\/\">Hydrod\u00e9molition<\/a><\/p>\n<p><a href=\"https:\/\/aquajet.se\/contact-aquajet\/global-dealer-network-2\/\">R\u00e9seau mondial de distributeurs Aquajet<\/a><\/p>\n<p>&nbsp;<\/p>\n<hr>\n<p>&nbsp;<\/p>\n<h3>pdf imprimable<\/h3>\n<p><a href=\"https:\/\/aquajet.se\/bed\/uploads\/2021\/02\/aquajet-on-location__aquajets-Innovative-Robotic-Solution-Provides-Productivity-for-Philippine-Bridge-Project.pdf\">Aquajet On location &#8211; La solution robotique innovante d&#8217;Aquajet assure la productivit\u00e9 d&#8217;un projet de pont aux Philippines.<\/a><\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"featured_media":0,"template":"","case_category":[247],"class_list":["post-41155","jobreport","type-jobreport","status-publish","hentry","case_category-routes-et-ponts"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v26.2 (Yoast SEO v27.7) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>L&#039;hydrod\u00e9molition augmente la productivit\u00e9 d&#039;un projet de pont aux Philippines - Aquajet<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/aquajet.se\/fr\/jobreport\/lhydrodemolition-augmente-la-productivite-dun-projet-de-pont-aux-philippines\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"L&#039;hydrod\u00e9molition augmente la productivit\u00e9 d&#039;un projet de pont aux Philippines\" \/>\n<meta property=\"og:description\" content=\"Quel que soit le projet &#8211; qu&#8217;il s&#8217;agisse d&#8217;une simple structure ou d&#8217;un pont massif de plusieurs millions de dollars &#8211; une construction efficace n\u00e9cessite une planification minutieuse. 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