{"id":5474,"date":"2026-04-10T07:07:14","date_gmt":"2026-04-10T07:07:14","guid":{"rendered":"https:\/\/eurohinca.com\/?p=5474"},"modified":"2026-04-10T07:26:29","modified_gmt":"2026-04-10T07:26:29","slug":"what-information-should-an-rfq-include-to-accurately-value-a-trenchless-crossing","status":"publish","type":"post","link":"https:\/\/eurohinca.com\/en\/que-informacion-debe-incluir-una-solicitud-de-oferta-para-valorar-un-cruce-sin-zanja-con-precision\/","title":{"rendered":"What information must an RFQ include to accurately value a trenchless crossing?"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"5474\" class=\"elementor elementor-5474\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"elementor-element elementor-element-d6327ef e-flex e-con-boxed e-con e-parent\" data-id=\"d6327ef\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-0d3dfe2 elementor-widget elementor-widget-text-editor\" data-id=\"0d3dfe2\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>In order for a request for quotation to be used to evaluate a <strong>crossing WITHOUT trench<\/strong> accurately, it must include sufficient information on the <strong>layout<\/strong>the <strong>geotechnics<\/strong>the <strong>driving<\/strong>, the <strong>site environment<\/strong> and the <strong>requested range<\/strong>. The more complete this baseline is, the more reliable will be the feasibility assessment, the proposed construction method, the estimated time frame and the associated budget. At this initial stage, having clear technical data makes it possible to determine whether the most appropriate solution involves a <a href=\"https:\/\/eurohinca.com\/en\/pipe-jacking-2\/\"><strong>pipe ramming<\/strong><\/a>, a <a href=\"https:\/\/eurohinca.com\/en\/horizontal-directional-drilling\/\"><strong>horizontal directional drilling<\/strong><\/a> or a system <a href=\"https:\/\/eurohinca.com\/en\/direct-pipe\/\"><strong>Direct Pipe<\/strong><\/a>.<\/p><h2>1. Crossing geometry<\/h2><p>The application must include, as a minimum, the plan and longitudinal profile, the total length, the entrance and exit elevations, the required slope, the minimum coverings and, if applicable, the curvature radii. It is also advisable to indicate the space actually available for shafts, machinery, stockpiles and maneuvers, because this information directly conditions constructability. A well-defined geometry makes it possible to anticipate execution limitations and to assess whether it will be necessary to incorporate auxiliary elements such as <a href=\"https:\/\/eurohinca.com\/en\/vertical-wells\/\"><strong>vertical wells<\/strong><\/a>, The system can also be used for intermediate stations or special pusher-receiver configurations.<\/p><h2>2. Geotechnical and hydrogeological data<\/h2><p>It is key to provide soundings, field and laboratory tests, water table, permeability, presence of boulders, anthropogenic fills, rock, terrain transitions or problematic soils. Without this information, any technical appraisal relies on conservative assumptions and increases the risk of subsequent adjustments in method, performance, schedule or cost. For a technical buyer or an engineering company, this is one of the most relevant blocks, as geotechnics conditions the selection of the excavation system, the stability of the face and the control strategy during the work.<\/p><h2>3. Pipe or conduction data<\/h2><p>The diameter, material, thickness, pipe length, type of joint, tolerances and service conditions must be defined. It is also important to indicate whether it is a gravity or pressure pipeline, and whether the pipe installed will be definitive or a sleeve to accommodate a subsequent pipeline. These data affect the admissible thrust, the selection of equipment, the execution controls and the final construction solution.<\/p><h2>4. Environmental conditions<\/h2><p>An accurate RFQ should identify what is being crossed and under what restrictions: roads, railroads, affected utilities, sewers, watercourses, coastline, sensitive urban areas or facilities in service. It is also advisable to detail accesses, time limitations, noise restrictions, occupation of public roads and possible easements. When the action affects existing infrastructures, it is appropriate to study it as a case of <a href=\"https:\/\/eurohinca.com\/en\/infrastructure-crossings\/\"><strong>infrastructure crossings<\/strong><\/a>, because security, planning and control requirements are usually higher.<\/p><h2>5. Scope of the offer<\/h2><p>It is advisable to make it clear what exactly is expected from the specialist contractor: only execution of the crossing, supply and installation, detailed engineering, wells, ancillary civil works, sludge plant, testing, commissioning or permitting and planning support. When the scope is not well defined, gaps between disciplines increase and the comparison between bids becomes unreliable. In complex projects, defining the limits of responsibility at the outset improves technical and economic comparability between bidders.<\/p><h2>6. Quality, time and documentation requirements<\/h2><p>The solicitation should indicate time milestones, work windows, required testing, acceptance criteria, required as-built documentation and any internal utility, EPC or project management standards. In trenchless technology projects, these requirements are as influential as the geology itself and should be known from the bid phase to reduce later deviations and facilitate realistic planning.<\/p><h2>7. Useful documentation to speed up the valuation<\/h2><p>It is very helpful to attach plan and profile drawings, available geotechnical report, pipeline cross-section, topographical information, known affected utilities, photographs of the environment and, if available, preliminary design or preliminary model. On this basis, the assessment can be focused on the optimal solution rather than on closing basic uncertainties. When the project crosses sensitive corridors or existing assets, this level of detail allows a more accurate analysis of compatibility with existing solutions. <a href=\"https:\/\/eurohinca.com\/en\/pipe-jacking-2\/\"><strong>pipe ramming<\/strong><\/a> or other trenchless methods.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"<p>Para que una solicitud de oferta permita valorar un cruce SIN zanja con precisi\u00f3n, debe incluir informaci\u00f3n suficiente sobre el trazado, la geotecnia, la conducci\u00f3n, el entorno de obra y el alcance solicitado. Cuanto m\u00e1s completa sea esa base de partida, m\u00e1s fiable ser\u00e1 la evaluaci\u00f3n de viabilidad, el m\u00e9todo constructivo propuesto, el plazo estimado [&hellip;]<\/p>\n","protected":false},"author":80,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[146],"tags":[],"class_list":["post-5474","post","type-post","status-publish","format-standard","hentry","category-preguntas-frecuentes"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.9 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Solicitud de oferta para cruces SIN zanja | Eurohinca<\/title>\n<meta name=\"description\" content=\"Qu\u00e9 debe incluir una solicitud de oferta para valorar un cruce SIN zanja con precisi\u00f3n: trazado, geotecnia, conducci\u00f3n y alcance.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, 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