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Understanding Building Systems: Plans, Layout, and Envelopes

Learn about the physical layout, architectural plans, structural plans, mechanical plans, plumbing plans, electrical plans, and HVAC plans of building systems. Gain knowledge on the building's age, materials, and basement locations. Understand how to interpret floor plans, elevations, details, sections, notes, and schedules. Explore the identification of materials, structural elements, HVAC systems, plumbing systems, electrical systems, and contract documents.

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Understanding Building Systems: Plans, Layout, and Envelopes

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  1. Understanding Building Systems

  2. Understanding Building Systems • Physical Layout • Building Plans • Architectural Plans • Structural Plans • Mechanical Plans • Plumbing Plans • Electrical Plans • HVAC Plans

  3. Understanding Building Systems: Physical Layout • Age and use of the building. • Materials of construction. • Full or partial basements and location of piping, pipe chases and steam tunnels. • Location of electrical/mechanical rooms in multistory buildings. • Location of central power plants and utility tunnels in multiple building complexes.

  4. Understanding Building Systems: Building Plans • Floor plans are basis for mechanical, plumbing & electrical drawings • Include elevations (vertical) • Details (Isolated areas of construction) • Sections (Cut vertically) • Notes (General or specific) • Schedules (Info regarding building)

  5. Understanding Building Systems: Architectural Plans • ID’s materials used in floors walls, doors, windows etc. • ID’s inaccessible bldg. products & any ACM/PACM • ID’s tunnels, pipe chases, attics & accessibility prior & during remediation • Review previous abatement records & room #’s accuracy

  6. Understanding Building Systems: Structural Plans • Details of floors, framework and foundations • Structural beams, columns and slabs • Wood framing • Drywall/gypsum or Plaster • Concrete versus steel beams

  7. Understanding Building Systems: Mechanical Plans • Based on building floor plans • HVAC schematic or system design/diagram to indicate the HVAC system operation. • Ductwork routing and piping systems. • Details, notes, schedules, sections and elevations. • Boilers, radiators and air handling units.

  8. Understanding Building Systems: Plumbing Plans • Location of tanks, pipes & drains for supply & return fluids, waste & pressure equalizer pipes • Locates remediation/clean-up water supply sources • Quantities of materials in inaccessible areas • Used to estimate quantities of potential mold contamination on building materials or surfaces

  9. Understanding Building Systems: Electrical Plans • Based on floor, power & lighting plans • Includes Notes, schedules & details • Calculations for load requirements • Location of panels, switches, receptacles, etc. • ID’s paper insulation, cable wrap & cementitious panels • ID’s temporary electric service needs

  10. Understanding Building Systems: Contract Documents • Specifications • Work Drawings • As built drawings • Addenda • Shop drawings • Change Orders • Submittals

  11. Building Systems

  12. Building Envelope Conditioned Basement Building Section Conditioned Main Floor

  13. Ceiling Area Ceiling Area 2415 s.f.

  14. Raised Heel or Energy Truss

  15. Basement Wall Areas Above Grade Bsmt Walls (exterior wood) = 837 s.f. (93’ x 9’) (entered as wood frame wall not a basement wall) Below Grade Bsmt Walls = 1044 s.f. Side basement walls = 360 s.f. (16 x9’ + 24 x9’) Back basement wall = 684 s.f. (76’x9’) (solid concrete or masonry) Above Grade Bmst Walls (exterior wood) – 837 s.f. Below grade basement walls – 360 s.f. side walls, 684 s.f. back wall Solid concrete or masonry

  16. Basement Walls Below Grade >50% below grade = below grade concrete basement wall

  17. Basement Walls Below Grade • MECcheck inputs “side” below grade basement walls “back” below grade basement wall

  18. Exterior Wall Areas 12’ Ceilings 9’ Ceilings 9’ Ceilings 9’ Exterior Walls - 2180 s.f. 12’ Exterior Walls - 689 s.f. 3’ knee walls (between 9’&12’ sections) – 153 s.f.

  19. Insulated Knee Walls

  20. Exterior Wall Areas Including Rim Joists in the Exterior Wall Area

  21. Floor Area Crawlspace Area - 783 s.f.

  22. Slab Perimeter Slab Perimeter - 93 linear feet Line represents the slab edge to be calculated in linear feet.

  23. Perimeter Slab Insulation

  24. Insulations Levels Roof/Ceiling - R-38 batts Wall - R-19 batts Floor - R-19 batts Slab - R-5 rigid (24” vertical)

  25. Window/Door Area Window Area - 533 s.f.; U-value = 0.40 Glass Doors - 40 s.f.; U-value = 0.50 Opaque Doors - 40 s.f.; U-value = 0.50

  26. Window/Door Area Window Area – 533 s.f. Glass Doors - 40 s.f. Opaque Doors - 40 s.f. AreaCalc

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