Concrete-Excavation-Drainage

✅ Concrete Excavation & Drainage Services — Long Island & NYC

At MJG Contracting Corp., proper excavation and drainage work form the foundation of resilient outdoor living spaces. Whether you’re installing concrete patios, driveways, site utilities, or French drain systems, we deliver code-compliant, long-lasting solutions using licensed in-house crews across Nassau, Suffolk, and the Tri‑State area.

🔍 Why Excavation & Drainage Matters

  • Reliable excavation ensures your concrete pads, foundations, and slabs are installed on stable ground—with proper grading and compaction to prevent settling or erosion.

  • Effective drainage systems—like French drains, trench drains, and dry wells—manage water flow, reduce hydrostatic pressure, and safeguard structures.

🧱 Key Services We Provide

  • Concrete excavation & site prep: Removing old concrete, excavating for foundations, patios, walkways, and grading for proper water flow.

  • Trenching for drainage: Installing drainage systems such as French drains, trench drains, or dry wells using perforated piping, geotextile filters, or HDPE systems to keep water moving away from vulnerable areas.

  • Grading & water management: Reshaping the land to direct runoff, prevent puddling, and minimize erosion.

  • Foundation & slab excavation: Preparing sites for concrete pours—ensuring level footings and stable sub-surfaces with precision machinery and drainage accommodations.

🚧 Our Workflow: Precision Excavation to Finished Drainage

  1. Site Assessment & Planning
    Evaluate soil, topography, existing drainage patterns, and scope of work to craft the proper excavation and drainage plan.

  2. Excavation & Trench Formation
    Use specialized equipment to dig trenches or pads, following layout for drainage pipes or concrete bases.

  3. Drainage System Installation
    Install French drains, trench drains, or dry wells with proper bedding, slope, and geotextile filter systems.

  4. Backfill, Compaction & Soil Stabilization
    Use gravel or aggregate to support drainage structures, then properly compact and grade surface.

  5. Surface Restoration & Final Grading
    Grade surrounding landscape, reseed turf if required, and ensure water flows away from building foundations.

  6. Inspection & System Testing
    Verify that drainage components function correctly before job completion and client sign-off.

✅ Why Choose MJG Contracting Corp.

  • Over 30 years in excavation, concrete, and drainage construction across Long Island and NYC

  • Fully licensed & insured in Nassau

  • Dedicated in-house crew with robust equipment and deep excavation expertise

  • Comprehensive coordination between grading, drainage, concrete, and finishing trades

  • Long Island contractor built on grit, precision, and reliable execution from start to finish