Controlling Moving Materials

            Buildings move, always have and always will. They expand and contract so control joints must be employed. Wood expands when it gets wet and contracts when it dries. Wood is always accepting or getting rid of moisture and no amount of nailing, gluing, or screwing will keep wood from moving. 
            Masonry swells when it gets wet and shrinks when it dries.
            Concrete is the most universal of all structural materials employed. Concrete cracks, moves, shrinks, and sometimes “curls”. Concrete always has and always will crack. Doesn’t matter if it’s reinforced or not. The use of control joints via saw cutting or mechanical design can direct the cracks into a straight line and make them more aesthetic. Cracks do not necessarily mean the concrete is weak.
            Control joints should be designed in concert with your water management system because your building, in practical terms, cannot be penetration free.
            Normally water will follow the path of least resistance. Provide an easy path for water to travel and let it follow that path away from your building envelope.



Monday, August 25, 2014
Posted by Unknown

Concrete Repair: Taking the First Steps

Concrete repair is much more than "Let's jump in and do a patch." Interesting article here:
     -Mark

Wednesday, August 20, 2014
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Preconstruction Budget Risks for Local Government Projects (2 of 3)

Part Two: Single Source Specifications


     The second way Shireman Construction sometimes serves as the “bad guy” in the preconstruction design meetings on local government projects to save your project budget is fighting single-source specifications. Your architect will put together (with our help and advice) a list of every product in the building, usually the size of two to three large phone books. This is called the “Spec Book” and is part of the bidding documents.
ART: Single Source Specifications – Pictures of Shireman spec books

     Usually the architect will specify materials with multiple manufacturers and suppliers. But occasionally the design team or the local government staff in love with a certain product will list a product with only one supplier. 
     Unfortunately, the supplier can also read that they are the only source allowed for that product and will sometimes take advantage and double or triple their price. On large components, like detention equipment for jails, major heating and cooling system components, generators, controls, etc., this could blow up your entire budget. 

     So we read every word in those books with our team of specialty subcontractors before they go out to public bid. We work to find ways to list multiple suppliers and alternative products to keep everyone honest.
     Also, if there is a product later that the Owner’s team or architect must have, we can use alternates to keep all the pricing honest. By fighting single-source specifications with alternates we can get it substituted at a lot lower price level later than just listing it alone.

Let us help you avoid scope creep and other budget pitfalls. For more tips and tricks on local government construction and real life examples – see our website at ShiremanConstruction.com



Check back next week (August 26) for part three of this series.
Tuesday, August 19, 2014
Posted by Unknown

More Thoughts on HVAC...


 
   Let’s start off by saying that volumes of books and papers have been written about energy efficient buildings and systems. When you boil it all down, the HVAC systems are key but the overall common denominator is the effective use of insulation throughout the building. Beginning questions:

What heat sources are available
       -Natural Gas
       -LP Gas
       -Electricity
       -Geothermal
       -Solar
Forced air or not? (If not might mean radiant heat.)

Next is how do you ventilate?
       -The introduction of outside air
       -The number of air changes
       -The circulation
       -The exhausting
     The interior equipment and appliances must be considered. Watch out for air spillage or backdrafting.
     HVAC must be properly signed depending upon clients orientation N.S.E.W, building occupants, building design and flexibility.
     Keep cooling coils and drain pipes clean. Periodically clean the duct interior and replace the filters. If using a HEPA filter system. The furnace has to be designed to pull the air through that specific filter to avoid pressure drop.
     HVAC is greatly affected by the exhaust system. Too much exhaust causes too low pressurization. Too little causes over pressurization. One can over ventilate or under ventilate. A controlled ventilation system can balance your interior air and account for season changes, orientations, and occupant changes.

     -Mark
Monday, August 18, 2014
Posted by Unknown

Insulation: Going Green

Many gurus believe that building efficiency can be boiled down to proper use of efficient insulation. This article talks more about proper energy-efficient insulation.
     - Mark


Wednesday, August 13, 2014
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Preconstruction Budget Risks for Local Government Projects (1 of 3)

Part One: Scope Creep

     There are a few common problems we often encounter and battle during the preconstruction process performing construction management in the Louisville, KY and the Southern Indiana region.
     Let’s talk about a major problem that has busted probably the most budgets across the country for school boards, county governments and all local leadership. The biggest challenge of keeping any construction project on budget is managing “Scope Creep.” Scope creep occurs when well-meaning architects and designers and the local government staff get carried away in the “visionary” stages and design process. Quickly the building begins to increase in square footage and cost as everyone’s wish list is fulfilled after years of working in what was oftentimes an older, small, inadequate space. 



     But local government projects like schools, jails and courthouses have a budget for a reason – usually it is all the community can afford or all the tax revenue stream available.
It’s pretty understandable as architects have been taught and trained to give the client exactly what they want from about the first day in architecture school. Unfortunately in the architecture profession often the designer that came up with the preliminary budget is different than the designer drawing the plans. Often times Shireman will have to be the “bad guy” in meetings with the architect or even save the local government staffers with big dreams - from themselves
     Shireman will help control scope creep by being the government’s voice in all design meetings, reminding the design team about cost issues and using our latest in house real construction costs to keep the budget on track. Value engineering of the design is also critical. We constantly review and update the project budget and propose alternative ways to achieve everyone’s goals.  Managing scope creep keeps everyone on the right track and leads a project to a financial success.

For more tips and tricks on local government construction and real life examples – see our website at ShiremanConstruction.com

Check back next Tuesday (August 19th) for part two of the series.
Tuesday, August 12, 2014
Posted by Unknown

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