Cfd floefd hvac jobs
I am in need of a professional flyer for my HVAC (heating, ventilation, and air conditioning) company. Mainly, my goal is to generate leads from this mailer for low to moderate income residents. I would like to have information about the NYSERDA Empower+ program, and the financial incentives available through this program Here's what I'm looking for: * Compelling design: Draw potential customers in with a visually appealing layout. * Suggested content: NYSERDA Empower+ Program, free home energy assessment and free application, low-cost or FREE heat pumps (heating/cooling) for program eligible candidates. Modifying the income limits on the back of the post card attached to reflect the below: -Household size of 1= $36,420.00 or less -Household Size of 2= $47,640 or less -Ho...
I am looking for a seasoned professional to conduct a comprehensive market feasibility study for a new ...proven track record of delivering actionable insights. - Strong analytical skills and the ability to interpret market data effectively. - Knowledge of regional market trends and a good understanding of customer behavior and preferences in the AC industry. - Excellent communication and presentation skills to deliver the findings and recommendations in a clear and concise manner. Experience in the HVAC sector and familiarity with the latest trends in AC technology would be a bonus. The successful completion of this project is crucial for our business planning and future success, so I am looking for a committed professional who can deliver high-quality results within a reasonable ...
I'm looking for an experienced freelancer to help create a 1 page instruction PDF that gives an overview of a process for advanced users. The document should be image-heavy with minimal text. Key Requirements: - Experience in creating instructional materials - Strong visual design skills - Ability to distill complex processes into a clear and concise visual format Your role will be to: - Develop a visually appealing 1 page instruction PDF - Use minimal text to convey the process to advanced users - Ensure the document is engaging and easy to follow Please provide examples of your previous work in instructional design or similar areas. A strong portfolio and relevant experience in creating similar materials will be highly advantageous.
I'm in need of a skilled professional to conduct a market visibility study for our AC project. Our main aim is to significantly increase sales, so we'll need to explore and understand the target market, the current industry trends, and the potential for growth, including the potential for integrated sales and maintenance ser... - Service appointment scheduling: We want a feature that allows clients to book maintenance services in advance. - Real-time chat support: For immediate assistance and feedback. The ideal freelancer for this project should have a strong background in market analysis and business development, as well as extensive experience in mobile app development across multiple platforms. Experience in the HVAC or similar industries is a plus. Attached is some ...
...in need of an expert in Computational Fluid Dynamics (CFD) to assist with the simulation of gas flow in a pipe. The goal of this project is to optimize the fluid flow within the system. Key Requirements: - Conduct CFD simulations on gas flow in a pipe system - Optimize the fluid flow pattern within the pipe - Provide recommendations on enhancing flow efficiency Ideal Skills and Experience: - Proficiency in CFD software (e.g., ANSYS, OpenFOAM, COMSOL) - Strong background in fluid dynamics and pipe flow - Experience with optimizing fluid flow systems - Ability to interpret and communicate simulation results clearly Please note that the simulations are limited to gases only. The ideal freelancer would have a strong understanding of CFD principles and the abi...
I'm seeking a skilled and experienced HVAC professional to design a split system for my casual dining restaurant, which measures between 3,000 square feet. It's a split-system design. Ideal skills and experience: - HVAC certification and hands-on experience, especially with split HVAC systems - Previous work in casual dining restaurants or similar settings - Knowledge of best practices and current equipment for restaurant HVAC systems - Easy and clear communication, professionalism, punctuality and attention to detail. The chosen professional will be responsible for providing all necessary equipment and tools for the project. Please include in your proposal details of your professional experience, your availability, and a brief description of...
I'm in need of a mechanical drawing takeoff professional who can focus on the equipment layout assessment for an HVAC project. Key Tasks: - Provide detailed metal duct layout and takeoff - Detail dimensions and lengths of ductwork - Identify connection points and necessary fittings - Specify material and gauge requirements for the ductwork This project requires someone with a deep understanding of HVAC systems and experience with creating detailed equipment layouts. Your work will be critical in ensuring the efficient and cost-effective operation of the HVAC system.
I'm looking for an expert in Heating Systems who can assist me with a pressing issue. More than a week ago, a nut inside my heat pump unit popped and caused massive flooding to my unit. The task is on site to examine the heat pump unit and provide a written report of possible causes. Further details of the issue to be provided later. Skills and Experience: - Extensive knowledge and experience in HVAC, specifically heating systems in condos - Background in system troubleshooting - Good problem-solving skills - Ability to work in a timely manner Location: North York, Toronto, Ontario
I require the services of an experienced mechanical engineer with specialization in HVAC systems. Key Tasks: - Analyze and enhance the air conditioning system in a commercial space. - Implement ventilation solutions in a medium-sized building. Skills & Experience: - Proven track record in HVAC engineering is a must. - Experience with commercial cooling requirements. - Proficiency in designing and implementing ventilation systems for medium-sized buildings. Looking forward to your bids!
...project is to determine HVAC requirements, thus expertise in this area is a must. Key Responsibilities: - Accurately create and refine an IES/TAS model for a residential building - Determine the optimal HVAC requirements for energy efficiency - Incorporate usage of energy-efficient appliances in the model Ideal Skills and Experience: - Proficient in IES VE software - Background in HVAC design or engineering - Experience modelling residential buildings - Understanding of energy-efficient appliances within the context of HVAC modelling. This role is best suited for professionals who are detail-oriented, have excellent problem-solving skills, and maintain an in-depth knowledge of the principles of building energy performance. Your insights will greatl...
...Florida permit applications. I have a site plan showing exterior dimensions of existing structure for the apartment and adjacent storage space which is to be turned into additional apartment space. I can draw up a sketch of the current apartment layout. Key Requirements: - The MEP drawings should cover all aspects of the mechanical, electrical, and plumbing systems in the apartment. This includes HVAC systems, power distribution, lighting, and water supply among others. - The interior layout doesn't necessitate a high level of detail. Rather, I'm looking for a basic layout including the major elements of the space. Ideal Freelancer: - A florida licensed architect with a background in construction and MEP design. - Experience in creating permit-ready drawings for a...
I need a structural engineer to provide assistance with my project in Los Angeles, California. I am planning to replace two rooftop air conditioning units with newer models. Here is what I require: -Evaluatio...installation of the newer model units. -Plan: To devise a plan with regards to the structural changes required and how to make these changes most efficiently, with minimum disruption. -Support: To provide support during the installation process to guarantee safety and efficiency. Ideal skills and experience: -Prior experience in building design and renovation support. -Knowledgeable about HVAC systems and rooftop installations. -Excellent problem-solving skills and attention to detail. -Able to provide quick and effective solutions. -Good understanding of safety ...
As a client seeking a skilled Revit expert to finalize my ongoing project, I require the addition of various elements: - HVAC Pipes: Specifically, I need someone with experience in supply ducts, return ducts, and exhaust ducts. - Technical Room: The inclusion of a complete technical room is essential. - Other Details: Additional small features, particularly plumbing fixtures, are also needed. Ability to maintain high accuracy and give attention to minute details is crucial. Proficiency in HVAC systems and building technology is a must. The person should also have problem-solving skills to deal with challenges that may arise during the project. Previous experience related to this kind of task will be valued.
I'm looking for a CFD expert who can use Ansys Fluent to assess the liquid displacement in a cylindrical tank. The tank will undergo different phases including deceleration, pitching, and rolling. Key Requirements: - Utilize Ansys Fluent to model the fluid behavior inside the tank during deceleration, pitch, and roll - Generate a comprehensive report with numerical data and visualizations that clearly show the liquid displacement Ideal Skills for this Project: - Proficiency in CFD, specifically using Ansys Fluent - Experience in modeling and analyzing fluid behavior in various scenarios - Ability to generate detailed reports with numerical data and visualizations Please note that the results of this simulation will be used to assess the liquid displacement in the tan...
I currently have a need for an experienced Mechanical Engineer. Without any specific project details, I am looking for someone with a wide ranging talent within this field. As such, your tasks could span from designing components, conducting simulations, to creating technical drawings. You may be required to work on various types of systems and components, potentially including HVAC systems, robotics, or automotive components. Additionally, proficiency with tools and software is vital. The specifics may vary, but potential options include AutoCAD, SolidWorks, and ANSYS. Ideal skills and experience: - Broad knowledge in Mechanical Engineering tasks - Experience with diverse systems and components - Proficiency in AutoCAD, SolidWorks, ANSYS, or similar tools - Exceptional technical ...
I'm at the prototype stage of my product and I need a skilled mechanical engineer to help me improve it. - Areas of expertise: Even though I didn't specify a particular area in mechanical engineering, a broad knowledge in the field, particularly in structural analysis, fluid dynamics, and HVAC systems, could be beneficial. - Main objective: Improvement and optimization of an existing prototype. You'd revise the current design and propose enhancements that will increase efficiency, reduce costs, or improve performance. - Skills needed: Prototype testing and debugging, design improvements, and knowledge in production processes. Experience with similar projects is highly valued. Let's refine and perfect my product together.
...services in your network of websites. It's a great addition, especially since concreting services are essential for many construction and renovation projects. Here's how you could incorporate it into your Airtasker ad: --- **Services to Include:** 1. Plumbing Solutions 2. Deck Building 3. Home Renovations 4. Emergency Repairs 5. Electrical Services 6. Roofing 7. Landscaping 8. Interior Design 9. HVAC Services 10. Flooring and Tiling 11. Concreting Services **Project Details:** - **Develop a cohesive design** across all websites, each tailored with unique content to establish authority in its service area, including a dedicated site for concreting services, covering everything from driveways to decorative finishes. - **Link all sites to a central 'mother' we...
I am seeking a new T-shirt design for our company. Please refer to the attached files for our current shirts. I particularly favor the black shirts with blue text. However, I am not fond of the blue shirts with black text. I am open to fresh ideas. The de...company. Please refer to the attached files for our current shirts. I particularly favor the black shirts with blue text. However, I am not fond of the blue shirts with black text. I am open to fresh ideas. The design should maintain a professional appearance without being flashy. I am interested in options for both blue and black shirts. Kindly review the attached files for inspiration. We are an HVAC contractor. Please look at attached files. Kindly refer to the attached PDF examples for inspiration. Need a blue and black sh...
...Proficient in various genres, ranging from Action, Comedy to Romance Take part in this intriguing journey and help portray an authentic life story on the big screen. My father's was born the son of a coal ni er in PA. His father had his foot smashed after seeing his father (my dad grandpa who came here from Poland) killed in that same mine. He decided after that to move to Parma Ohio and start an HVAC company. My father was born in the projects in Euclid Ohio in 1947. He grew up with his twin brother, one older and one younger sister. He ad a normal childhood of playing baseball and riding his bike. He was in a serious bicycle accident that he almost lost his life when was young. When he was around 12 years old his parents sponsored Quocku, a man from Kenya, through their...
I'm seeking an experienced AutoCAD draftsperson to convert 1-5 pages of PDF building plans into a detailed DWG source file. The aim is to create editable CAD files for future revisions and modifications. Key Requirements: - Convert 1-5 pages of PDF building plans into a detailed DWG source fi...and scalable for future modifications Ideal Skills: - Proficiency in AutoCAD - Previous experience in converting PDFs into DWG files - Strong attention to detail and accuracy in CAD work - Knowledge of architectural drawings and building plans Please note that the focus here is on creating the CAD file for future revisions, rather than creating 3D models or detailed electrical, plumbing, and HVAC systems. Your expertise in producing accurate and editable CAD files will be crucial fo...
I have a digital residential floorplan 6 images that I need an expert architect to review for potential errors and circle them in red and fix the errors in dwg. or revit for award completion. I'm looking for a professional who can carefully examine all areas of a residential floorplan, including room layouts, electrical installations, plumbing systems, footings, hvac, site plan, sections and circle any errors on design. Also need to raise roof height to 10 feet indoor and outdoor porch roof height. You should have a keen eye for detail and a solid understanding of residential building codes and standards. Your feedback will be invaluable to ensure the plan is error-free and optimized for its intended use. Previous experience with similar projects is highly desirable. Pleas...
I'm searching for a specialist in HVAC who can edit my MEP drawings as per the markups mentioned. The tasks I'm highlighting are: - The revision of the equipment layout - Modification of our piping system The ideal freelancer should have an exceptional skill level of HVAC when it comes to detailing, as what I'm after are comprehensive layouts that also detail equipment specifications. Proficiency in AutoCAD is a must for this project. I need someone who can deliver accurate, detailed work swiftly and efficiently. If you're an HVAC specialist with a deep understanding of this type of task, I'd love to hear from you.
...Mechanical, Electrical, and Plumbing (MEP) design for a new 3 level commercial building with all levels as open shells (floor plate). The following is required for this project- 1. Public domain civil 2. Hydraulics/plumbing 3. Storm water plans 4. Electrical design, power, communications and data (copper and fibre) 5. Mechanical HVAC 6. Fire services Key Responsibilities: - The Mechanical design will need to be optimized for a commercial space, focusing on HVAC systems, insulation, ventilation, and more. - The Electrical design will require a thorough understanding of commercial electrical systems, including lighting, power distribution, and potentially fire alarm systems. - The Plumbing design will need to ensure proper sizing and placement of piping, fixtures, and equ...
...Dynamics (CFD) analysis for an underwater equipment design. The primary goal of the project is to improve equipment efficiency. The successful individual must therefore be proficient in CFD analysis, 3D modeling, and structural analysis and have knowledge of FOM, Sloshing etc. Your responsibilities will incorporate: - Analyzing the current design using CFD techniques - Identifying areas of improvement to enhance efficiency - Advising on appropriate design modifications A background in fluid dynamics coupled with an understanding of underwater equipment will be necessary for this task. Additionally, the potential to perceive potential issues before manufacturing will be a significant asset. Please ensure you've ample experience in the implementation of desig...
Proposal Traditional Residential Architect 600 USD stage 1: Cover, siteplan, floorplan, elevations 800 USD stage 2: Sections, Roofplan, Trussplan, Electrical plan 700 USD stage 3: plumbing plan, waste plan, Framing wall plan, Details, Hvac plan, Exit plan 650 USD Stage 4: stamps 10:25 A 900 USD Stage 5: approved project
...chiller system. This system has been in operation for more than 5 years and recently experienced a failure leading to no cooling and ultimately, the breakdown of the heat exchanger. Key Tasks: - Conduct a thorough evaluation of the chiller system - Identify the root cause of the failure that led to no cooling - Investigate and pinpoint the specific issue with the heat exchanger Your expertise in HVAC and chiller systems will be essential to resolving this issue. Previous experience with such evaluations and maintenance in industrial or commercial settings is highly preferred. Note the evaluation must be done through evaluation of history and notes as the failed system has been replaced and no longer available. This project is to offer an expert opinion on the failure in atte...
I am looking for a comprehensive Autocad guide for beginners. The guide should focus on Autocad 2023 and be delivered in a written document format. The guide need to be focused on drawings from building services/installations designs in constructions (HVAC & Plumbing area) With the following necessary instructions: - it need to treat primary 2D and in 2 chapters 3D modelling - It need to have table of contents - 14 chapters - image/text ratio maximum 35/75 - Each chapter will have to have 2 exercises to solve at the end, including the solutions, separately, for them - formated on A5 - gramitacally and tehnically correct text - verified in Turnitin, max 10% plagiarism. - images must be color. - minimum 100 pages Key Focus Areas: - Basics of Autocad interface: Explanation of th...
I'm seeking an expert in computational fluid dynamics who can help me understand how air flows through our stationary louvres, with a focus on improving ventilation efficiency. The goal is to work out the amount of airflow through the Louvres at different wind speed Ideally, you will have: - Extensive experience with CFD - Understanding of aerodynamics, specifically related to ventilation systems - Prior work with stationary louvres - Ability to interpret simulation data and provide actionable insights for design modifications to enhance ventilation efficiency.
I have a digital residential floorplan 6 images that I need an expert architect to review for potential errors and circle them in red. Please briefly share what is wrong with it. I'm looking for a professional who can carefully examine all areas of a residential floorplan, including room layouts, electrical installations, plumbing systems, footings, hvac, site plan, sections and circle any errors on design. If no erros please share what was done correctly. You should have a keen eye for detail and a solid understanding of residential building codes and standards. Your feedback will be invaluable to ensure the plan is error-free and optimized for its intended use. Previous experience with similar projects is highly desirable. Please include examples of your past work in y...
...seeking a skilled HVAC engineer to design a suitable HVAC solution. Since our store is located in an area that experiences variable climatic conditions throughout the year, the HVAC system should effectively address these seasonal changes. - Existing system: Currently, we have a central HVAC system installed. The new design should take this into account and either build upon the existing system or offer a better alternative, depending on the conclusions of your assessment. - Skills and Experience: The ideal candidate should have significant experience handling HVAC designs for retail spaces, particularly those operating under variable weather conditions. A deep understanding of load calculations is crucial, as this will directly impact the efficienc...
I'm...can provide me with expert guidance and plans for the renovation. Specifically, I need your expertise in: - Foundation and Structural Area: I'd need you to assess the current structure, ensure it's sound and make recommendations for any necessary changes. - Electrical Systems: Help me design an efficient, safe electrical system for the property. - Plumbing and HVAC: Assist with the planning and implementation of plumbing and HVAC systems. Ideal candidates for this project should have experience in residential projects, particularly in renovation, and be familiar with local building codes and regulations. A good understanding of cost-effective yet quality solutions is a plus. Additionally, the ability to communicate complex engineering concepts in a cle...
...for a certified engineer with CFD expertise. I need to simulate a fire scenario in one of the rooms of an 11+ story hotel. The focus will be on understanding how the fire spreads across the hotel and its impact on temperature, pressure, and heat flux in the rooms, hallways, and staircases. Key Requirements: - Conduct a CFD analysis focusing on the mentioned areas - Provide an overview of the fire spread - Analyze temperature distribution, pressure distribution, and heat flux - Prepare a detailed but basic CFD analysis report - Offer some insights into technical aspects of the findings Ideal Freelancer: - Holds a degree in engineering with a specialization in CFD - Has experience in simulating fire spread in large complex structures - Proficient in using ...
I need an expert in the area of HVAC design to craft an efficient commercial system using AutoCAD. Prioritizing the system's energy efficiency is crucial. The ideal candidate for this job would: - Have vast knowledge and experience in HVAC system design - Be proficient in AutoCAD - Have a keen eye for energy-saving measures in HVAC systems - Have extensive commercial HVAC design experience - Understand latest trends in energy efficiency If you believe you meet these requirements and can deliver an efficient, state-of-the-art commercial HVAC system design, I encourage you to bid. Looking forward to your proposals.
I'm in need of specialized architectural professionals to assist with the development of ...storage, and preparation areas' designs. Moreover, the project calls for outdoor landscape designs that align with a modern and contemporary style, making the property visually appealing and inviting. Ideal Skills & Experience: - Architecture and interior design - Experience in commercial kitchen/food court design - Landscape design with a contemporary style focus - Mechanical engineering including HVAC, plumbing and electrical planning - Ability to design luxury amenities (eg. spa-like master bedroom) I am looking forward to working with individuals who can infuse creativity and functionality into the space while ensuring the loft, white box food collective, and landscapes ...
I'm searching for a skilled CFD engineer who is proficient in using ANSYS Fluent for conducting in-depth fluid flow analysis. The primary goal of this project is to perform a detailed analysis, providing comprehensive data and insights. Key responsibilities include: - Conducting CFD simulations using ANSYS Fluent - Ensuring the simulation captures all relevant fluid dynamics phenomena - Providing a comprehensive analysis report with detailed data The ideal candidate should have: - Proven experience in CFD simulations, specifically using ANSYS Fluent - Strong understanding of fluid dynamics and related concepts - Ability to generate detailed and comprehensive analysis reports - Strong attention to detail and an analytical mindset. If you meet these requirements,...
...Compatibility: I'm interested in integrating a smart thermostat into the system. This will enhance the overall control and energy efficiency of the system. - Zoned Cooling and Heating: I'm also keen on incorporating zoned cooling and heating. This feature will allow for different areas of the house to have customized temperature settings, improving comfort and efficiency. Ideal Skills and Experience: - HVAC Expertise: Prior experience with installing central air conditioning systems is a must. A deep understanding of the system's components and workings will be beneficial. - Smart Thermostat Integration: Experience in setting up smart thermostats and integrating them with central air systems will be highly advantageous. - Zoned Cooling and Heating: Familiari...
I'm looking for a skilled web designer to create a portfolio Hvac website for me. The website will primarily serve as a showcase of my work, aimed at the general public. i also need leeds for my hvac jobs Additionally, I'd like to include a blog section for occasional updates and insights. Key requirements: - Create a visually appealing portfolio website - Implement blog feature for occasional posts - Ensure user-friendly design for the general public Ideal skills: - Proficiency in web design tools such as HTML, CSS, and JavaScript - Experience in creating portfolio websites - Knowledge of content management systems like WordPress for blog integration Please include examples of your previous portfolio websites in your bid. Thank you.
I'm seeking an experienced professional to assist me in performing a comprehensive building energy modeling using the Carrier program. Key Requirements: - Proficiency with the Carrier program and experience in building energy modeling for Hospitals - Ability to deliver a comprehensive analysis of energy consumption, with a focus on HVAC, Envelope and lighting systems - Capacity to provide optimization recommendations based on modeling outcomes for specific ECMs identified from the energy audit. Carrier HAP is a dual function program - full-featured load calculation and system sizing for commercial buildings plus versatile hour-by-hour energy modeling. It offers graphical input features for rapidly assembling a 3D building model. Your deliverables will be crucial in helping...
I have a project that involves merging 80 .blk scan files in Cyclone and creating plans for a rooftop in .dwg format. This must be extremely accurate as the client is using this to order rooftop units for its HVAC system. Key Requirements: - Proficiency in Cyclone and Autocad software for merging .blk scan files and creating plans - Creation of highly detailed rooftop plans with all architectural elements included - Adherence to industry-standard layers for the DWG files - Strong understanding of AutoCAD for ensuring compatibility and high-quality output Please bid on this project if you can deliver on the above requirements and have a proven track record in using Cyclone for similar tasks.
I'm seeking an experienced AutoCAD designer to create detailed plans for an industrial HVAC system. This project involves: - Designing air conditioning units - Sketching ductwork and piping - Planning heating units Proficiency with AutoCAD is a must, especially in the realm of HVAC planning. Previous experience with industrial HVAC systems would be greatly beneficial. The scope of this project covers multiple jobs and varied square footages, requiring dynamic design adaptability. Please provide relevant portfolio examples when placing your bid. I look forward to working with someone who can bring efficient and effective HVAC solutions to life on digital blueprint.
...Management, Incident, and Risk Management. The application should be quite similar to the one found in the provided link. Key Features: - Facility Management: The application should help manage all aspects of our facilities, including maintenance, asset tracking, and space management. - Building Management: The system should have functionalities to monitor and control building systems, such as HVAC, lighting, and security. - Incident & Risk Management: It is crucial that the web app includes tools to track incidents, analyze risks, and manage safety protocols effectively. Integrations: - The web application should be compatible with various third-party software as in the example, which is not specifically listed but can be seen in the provided link. Timeline: - I'm ai...
I am in need of a professional capable of making corrections to my existing MEP design in accordance to the Canadian Building Code. Modifications are required in the following areas: - Electrical - Plumbing - HVAC Unfortunately, there have been some issues identified in these areas that need to be fixed. Although specifics on the issues haven't been stated, having expertise evaluating and correcting such systems to comply with the CBC is critical. Ideal candidate will possess: - A strong knowledge in Electrical, Plumbing, HVAC systems - Experience working with the Canadian Building Code - A keen eye for identifying and correcting potential MEP design issues. Please submit your proposal detailing your relevant experience and your approach to this project.
...Highly Technical Digital Marketing Agency for HVAC Company Project Budget: $2,000.00 – $2,500.00 CAD Bidding Ends In: 5 days, 2 hours Submission Requirements: To be considered, your proposal must include a comprehensive pitch deck that addresses all aspects of this job post. Proposals should reflect a deep understanding of our project requirements, showcasing how you will handle each specified area with technical expertise and innovative methods. Why Us? Explain why your agency is uniquely qualified to handle the sophisticated digital marketing needs of an HVAC company focused on lead generation and high conversion rates. Emphasize your experience with service industries and advanced digital marketing technologies. Job Description: Our HVAC company, based ...
...placing a 4-ton HVAC unit on a metal roof. Key Requirements: - Roof Material: The roof is made of metal. Therefore, it's crucial to determine whether it can bear the weight and be a suitable foundation for the HVAC unit. - Roof Condition: While it is in good condition, it is an old roof. The assessment should focus on whether the roof can still support additional weight without compromising its integrity. - Structural Blueprints: Full access to structural blueprints is available, which should aid in the assessment process. Ideal Skills & Experience: - HVAC Expertise: A background in HVAC systems and their installation is essential for this project. - Structural Engineering: Knowledge of structural engineering is necessary to evaluate the r...
