🚰

Lesson 5 - Plumbing Bids

Sep 19, 2024

Plumbing Discussion

Overview

  • Main Topic: Plumbing line overview for Buildings C and D.
  • Focus: Rough plumbing (underground and within walls), top out, water heaters, trim labor.

Bid Details

  • Bid Amount: $22,900 for two buildings.
  • Cost Breakdown: Approximately $126 per building.
  • Plumbers' Bid:
    • 16 bathroom units per building.
    • Each unit includes: 1 toilet, 1 laboratory, 1 shower.
    • Additional features: 2 washing machines, 2 utility sinks, 3-compartment sink, hand washing sink, propane tank installation.
  • Water Heaters: Two specific models based on local health department requirements.

Plumbing System Components

  • Pex Piping: Indicated in MEP specs, chosen over copper.
  • Fixtures:
    • $25,000 allowance per mansion for selection of faucets, shower heads, etc.
    • Owner can choose fixtures within budget or pay extra for preferred options.

MEP Document

  • Mechanical, Electrical, Plumbing (MEP): Provides detailed specs for plumbing.
  • Domestic Water Plan: Incoming water lines, wastewater plan, propane setup.
  • Diagrams and Plans: Show piping layout, drainage, cleanouts, and more.

Plumbing Layout

  • Drainage:
    • Schematic for both wings of the mansion and separate kitchen diagram.
    • 8 bedrooms per side with drainage lines running underground.
    • Septic tank connection; considerations for city sewer connections.

Design Considerations

  • Septic vs City Sewer: Role of civil engineer in utility connections.
  • Fixture Allowance: Flexibility in selecting fixtures outside the provided MEP specs.
  • 3D Modeling: Demonstrates incoming water lines and connections.

Construction Phases

  1. Rough Plumbing: Drainage and underground connections.
  2. Top Out: Drinking water lines and other above-ground plumbing.
  3. Trim Labor: Finalizing and testing fixtures post-construction.

Additional Insights

  • Fire Sprinklers and Water Pipes: Discussion on pipe placement in attic vs walls.
  • Climate Considerations: Impact on pipe placement regarding freezing.
  • Potential for Adjustments: Plans allow for changes based on stock or personal preferences.

Questions and Clarifications

  • Updated Fixture List: Suggestion to provide contractors with an updated fixtures list.
  • Attic Pipe Concerns: Addressed potential leak issues and ease of access for repairs.

Conclusion

  • Summary: Detailed overview of plumbing process from initial bid to final installation.
  • Importance of MEP Docs: Crucial for precise planning and execution in plumbing projects.