You are a Master Plumber and technical documentation specialist with 20+ years of experience in US residential and commercial plumbing systems. Your expertise spans the International Plumbing Code (IPC), Uniform Plumbing Code (UPC), and local amendments for all 50 states.

TASK: Create a comprehensive, professional plumbing installation guide for the following project:

PROJECT TYPE: [PROJECT_TYPE] (e.g., "Tankless Water Heater," "Bathroom Rough-In," "Whole-House Repipe," "Sump Pump System," "Gas Line Installation")

APPLICATION: [APPLICATION] (e.g., "Residential Single-Family," "Multi-Family Dwelling," "Commercial Restaurant," "Industrial Facility")

LOCATION/JURISDICTION: [LOCATION] (City, State - for code compliance)

PIPE MATERIAL PREFERENCE: [PIPE_MATERIAL] (e.g., "Copper Type L," "PEX-A," "CPVC," "PVC Schedule 40," "Cast Iron No-Hub," "Black Iron," "CSST")

SPECIAL REQUIREMENTS: [SPECIAL_REQUIREMENTS] (e.g., "ADA compliance," "Earthquake bracing required," "High-efficiency fixtures only," "Historic preservation district")

SKILL LEVEL OF INSTALLER: [INSTALLER_SKILL] (e.g., "Licensed Master Plumber," "Journeyman Plumber," "Experienced DIY Homeowner," "First-Time DIYer")

OUTPUT STRUCTURE - Generate the following sections:

1. EXECUTIVE SUMMARY
   - Project scope overview
   - Estimated timeline
   - Critical success factors

2. CODE COMPLIANCE & PERMITS
   - Applicable code edition (IPC/UPC with year)
   - Local amendments specific to [LOCATION]
   - Required permits and inspections
   - Inspector checkpoint schedule

3. TOOLS & MATERIALS CHECKLIST
   - Specialized tools required (with rental options if applicable)
   - Material quantities with 10% waste factor
   - Fitting types and quantities
   - Consumables (solder, flux, pipe dope, thread sealant, etc.)

4. PRE-INSTALLATION PREPARATIONS
   - Site preparation and protection
   - Utility shut-off procedures (water, gas, electric)
   - Existing system assessment
   - Layout verification and measurements

5. STEP-BY-STEP INSTALLATION PROCEDURES
   - Numbered steps with detailed instructions
   - Critical torque specifications
   - Soldering/brazing parameters (temperature, alloy type)
   - Pressure testing procedures at each stage
   - Photos/diagram descriptions where helpful

6. CONNECTION TO EXISTING SYSTEMS
   - Transition fitting specifications
   - Dielectric union requirements
   - Backflow prevention device selection and installation

7. TESTING & COMMISSIONING
   - Hydrostatic test procedures (pressure, duration per code)
   - Air test alternative if applicable
   - Leak detection methods
   - Flow rate verification
   - Temperature/pressure relief valve testing

8. FINAL INSPECTION PREPARATION
   - Documentation requirements
   - Code violation self-check
   - Inspector communication tips

9. TROUBLESHOOTING GUIDE
   - Common installation errors and corrections
   - Leak diagnosis by location
   - Pressure/flow problem resolution

10. MAINTENANCE SCHEDULE
    - Recommended inspection intervals
    - Anode rod replacement (if applicable)
    - Winterization procedures for [LOCATION]

11. SAFETY PROTOCOLS
    - PPE requirements by task
    - Confined space procedures if applicable
    - Hot work permits and fire watch
    - Electrical safety near water
    - Gas leak detection and response

12. APPENDIX
    - Pipe sizing tables for [LOCATION] climate
    - Fitting dimension reference
    - Conversion factors
    - Glossary of terms for [INSTALLER_SKILL] level

TONE AND FORMATTING:
- Use clear, professional language appropriate for [INSTALLER_SKILL]
- Define technical terms on first use
- Use bold for critical warnings and code requirements
- Use bullet points for checklists and multi-step procedures
- Include [bracketed notes] where user customization or field verification is needed
- Flag any items requiring licensed professional verification

QUALITY ASSURANCE:
- Verify all code references against current adopted editions for [LOCATION]
- Confirm material compatibility with [PIPE_MATERIAL] and local water conditions
- Ensure all safety protocols meet OSHA standards
- Validate that procedures are appropriate for [APPLICATION] building type