HVAC Justice2018-11-11T12:59:48+00:00

HVAC Justice | Expert Energy Efficient System Designs

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Don’t be confused by the name NY Engineers is your best bet if you are looking for Full Service Heating & Air Conditioning (HVAC) Engineering Firm in Chicago Illinois. We’re not only an HVAC Firm in or near Chicago but also a leading provider of MEP Engineering Engineering services throughout Justice. Call us at (+1) 312 767.6877

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Recently Many individuals have been browsing the New York Engineers website looking for Construction Engineering in or near Chicago. This is due because of the following we have built in this types of projects. With that said, a lot of building owners from Hickory Hills to Park Ridge, IL, are not aware that NY-Engineers.Com is also a top contender for anyone searching for HVAC Chicago

The quest for energy-efficient buildings involves energy efficient HVAC system design. This may include systems for domestic water heating, architectural enclosure, HVAC, lighting, and vertical transportation. The loads for your HVAC systems should come primarily from five different sources including lighting (cooling), the construction envelope (cooling and heating), ventilation (cooling and heating), equipment for program use (cooling) and occupancy (cooling).
The ventilation load will certainly be a function of either the instruments required in order to introduce it into a space and control contaminant concentration or the number of people that will be in the room. In nearly all climates inside the southwestern and eastern areas of the united states, to reduce outter air-flow helps you to save energy whenever the exterior air is either humid and warm or very cold.
Governing the ventilation rate will probably be based on occupancy which is called a form of demand control ventilation. It is a everyday sort of energy conservation plan which is used for homes with occasional or crowded occupancy. Having heating and cooling loads reduced to a minimum can be achieved by making use of a high performance building envelope, occupancy sensors, and performance lighting that employs daylight response of lighting controls.

Chicago HVAC Engineering services vs HVAC Technicians

If you’ve ever thought about the difference between a HVAC Technician vs HVAC Technicians, then read on:

HVAC engineers would be the individuals who oversee the installation of air cooling systems both for residential and commercial buildings. They spend lots of their time in offices doing advanced level organization and preparation of installations however they do also visit job sites every now and then.

On the other hand, HVAC technicians usually do a lot of hands-on work  that deals with repair and maintenance. A HVAC technician may deal with an engineer to perform a few of the installation work, particularly for smaller jobs. On the whole HVAC technicians do considerably more travel and might spend time and effort changing filters, identifying leaks, doing recharges or decommissioning old and outdated systems which use old refrigerants.

HVAC engineers might have a chance to make more decisions about systems that are being used, and they will be the people that would offer assistance with by far the most sensible refrigerants and which systems would work best with a greater building. In the industry, there may be some challenge between ‘the suits’ and ‘the ones which get their hands dirty’, but both jobs do require a great expertise in how air-con works. Lately huge crowds have been crawling the NY Engineers site searching for HVAC Chicago Repair. Nevertheless, the goal of our organization is to be the top option for anyone seeking a HVAC Firm in Chicago and or any of our other services including Sprinkler System Engineering services. We ask that anybody searching for additional details about our Heating Cooling Air Conditioning Furnace (HVAC) Engineering Firm in Chicago Illinois stops by at our blog…

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How to Select a Contractor for Mechanical Engineering Projects

MEP Mechanical

Tips for Effective Contractor Selection in Engineering Projects

One of the key elements that determines project success is selecting the right contractor for the job. Although it may be tempting to focus on minimizing cost, a better approach is to maximize value and optimize cost. After all, a mechanical engineering project of any kind is an investment; the best offer is not always the one with the lowest price, but the one that offers the highest return on each dollar spent.

Effective communication is key during the bidding process: if the participating contractors understand the project requirements clearly, they can craft their proposals accordingly. Without proper specifications, even the most qualified contractors may struggle to provide a suitable offer. Effective communication is so important for project success, that the Project Management Institute dedicates a whole chapter of its Body of Knowledge to the topic.

Before proceeding with a bidding process, hiring an engineering consulting or supervision firm is highly recommended. They can help you expedite the process, while providing technical guidance and managing correspondence with contractors. Even with a clearly defined project scope, it is normal for contractors to request additional information or clarifications.

Bid Leveling: Setting a Common Ground for Comparison

Project bids can only be compared with each other if the contractors are quoting the same scope of products and services. When sending a Request for Proposals (RFP), include a scope document that breaks down the work into specific items, and where each item is priced individually. This allows bids to be compared side by side, something not possible when each contractor provides a different breakdown of the project work.

Creating a detailed project scope consumes extra time at the beginning but saves much more time later in the process. Since bids can be directly compared to each other, communication becomes more effective during the contractor selection process, reducing the number of clarifications and requested corrections.

The Project Management Institute (PMI) recommends using a Work Breakdown Structure (WBS) to define project scope. In simple terms, a WBS decomposes the project work into a series of levels, where work definition becomes more specific for each descending level, and specific project items are described at the lowest level. The following is an example:

  • A construction project WBS may have a category called Electrical Installations(Level 1).
  • That category can be subdivided into sections such as Lighting Installationsor Electrical Receptacles (Level 2).
  • Specific lighting fixturesare specified in the lighting installations section, as well as their required quantities (Level 3). For example, an item in the list can be described as: Recessed Commercial LED Fixture, 2ft x 4ft, 4000 lumens, clear white light (4100K). This is an item that can be priced specifically by the contractors participating in the bid.

A list of items that is broken down by categories and subcategories is much easier to understand than a plain list where elements from different building systems are combined. An engineering consulting firm can help you put together a WBS effectively. With this bidding format, detecting discrepancies also becomes easier; for example, if five contractors are participating and one of them priced an item significantly lower than the other four, it is likely that there was a mistake or misinterpretation.

Importance of a Mechanical Engineering Professional’s Technical Point of View

When comparing bids for a project, the opinion of a neutral and qualified third party is highly recommended, and the best recommendation is to hire the services of an engineering consulting or supervision firm. This way, each item on the project scope can be assessed based from the financial and technical standpoint in relation to mechanical engineering, ensuring that the price provided by a contractor is reasonable according to technical specifications. To define what can be considered cheap or expensive in engineering, a degree of industry know-how is required.

An engineering consultant or firm can also determine if any items in the project scope are priced too high or too low, and then request a clarification from the respective contractor. Low prices are only good news if they are reasonable; unrealistic prices are likely the result of a mistake by the bidding contractor. However, these conclusions can only be reached with a thorough understanding of different building systems and the prices that can be expected.

Equipment Submittals

In simple terms, submittals can be defined as any information on equipment and materials, provided by a contractor for approval before the project is awarded. Some of the most common types of submittals include technical cut sheets, shop drawings and material samples.

Building system components must generally meet a series of requirements and standards. Equipment from reliable manufacturers comes with technical cut sheets, which provide a detailed description of product features and compliance. However, not all contractors work with the same providers, and the contractor selection process may involve comparing equipment from different suppliers for a single item in the project bid. Although equipment cut sheets are available in the Internet, searching for them can be very tedious when dealing with a large project. For this reason, it is very important the contractors participating in a bid provide cut sheets of all the proposed equipment.

Some elements of building systems that perform critical functions or involve a high degree of complexity cannot be described effectively with only textual specifications and general construction plans. In these cases, requesting shop drawings from contractors is recommended, providing specific details on how the component will be manufactured or installed. Shop drawings are especially important in projects that involve custom-built components.

In some projects, it may also make sense to request material samples from the participating contractors, generally with the test results from a qualified laboratory. This is common with concrete, for example, due to how important it is for the structural integrity of a building.

Project Plan: Defining the Timeframe

Contractor bids must clearly define what will provided and at what price, but it is also necessary for them to determine timeframes. This provides a baseline against with the project owner can assess progress, and it is also useful for scheduling intermediate project payments. Completing a project successfully generally involves a detailed planning in terms of time, resources and cost.

  • Time: Many project activities follow a logical sequence. For example, roofing installation can only proceed if the underlying structure is already built, and painters must wait for the walls to be completed. A Gantt chart is the best tool for showing the sequence of project activities and their completion times, and it also allows the identification of critical activities that delay the whole project if delayed individually – noncritical activities have a slack time, and can be delayed to a degree without compromising project completion.
  • Resources: Engineering projects involve personnel and equipment, and in a well-planned project the contractor knows from the start the activities in which these resources will participate at a given time.
  • Cost: After a contractor has developed a Gantt chart and priced each activity, it is possible to estimate a cost calendar. This provides the client a clear idea on how the project budget will be used over time, allowing payments to be scheduled more effectively.

The Project Management Institute places high emphasis on project planning, since it provides a basis against which project progress can be compared in terms of scope, time and cost. When comparing bids from different contractors, verify that timeframes and resource allocation are realistic. A bid can meet all project requirements at a reasonable time, while still being lacking in terms of planning.

Conclusion

When carrying out a mechanical engineering project, avoid awarding the job blindly to the contractor with the lowest price. Keep in mind that building systems must meet a series of standards, and there is a limit to how low a specific system can be priced. Also make sure that all bidding contractors provide a detailed project plan, providing details on their expected project timeframes and resource allocation

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