Project Overview

This residential foundation restoration project in Lloyd Harbor focused on correcting severe water intrusion, compromised drainage infrastructure, localized structural cracking, and load-bearing deficiencies. The scope combined exterior water management improvements with structural reinforcement and below-grade waterproofing upgrades.

Key Observations

During initial site evaluation, the following conditions were identified:

• The existing downspout system was severely compromised due to cracking and root intrusion, restricting proper stormwater discharge.
• Water was improperly dispersing near the foundation, increasing hydrostatic pressure against the structure.
• A rotted window sill section required localized carpentry replacement.
• Structural cracking was present in the concrete substrate, indicating potential long-term movement and stress separation.
• The window well system lacked proper drainage and protective containment.
• A deteriorated support post showed reduced load-bearing reliability, requiring structural reinforcement.

Scope of Work & Repairs Executed

1. Downspout Extension & Subsurface Drainage System

To correct stormwater mismanagement:

• Extended three (3) downspouts to grade level
• Excavated approximately 50 linear feet of trenching to interconnect discharge lines
• Installed a new drainage route directing flow to a rear-yard dry well
• Constructed dry well positioned at least 10 feet away from the foundation to reduce hydrostatic pressure buildup

This system now safely redirects roof runoff away from the structure, significantly reducing moisture exposure at the foundation wall.

2. Window Sill Restoration

• Removed rotted wood components from the affected sill
• Installed new pressure-treated 2×4 framing member
• Restored structural integrity and weather resistance of the opening

3. Structural Crack Repair & Carbon Fiber Reinforcement

To stabilize the affected concrete section:

• Chased and ground cracks using diamond blade tooling to expose substrate
• Installed carbon fiber stitches embedded in structural epoxy to restore tensile continuity
• Applied Basecrete waterproofing cement (first coat)
• Embedded 4.5 oz fiberglass mesh reinforcement within waterproofing layer
• Applied second Basecrete cement coat to complete encapsulation

This system restored structural continuity while preventing further crack propagation and water penetration.

4. Window Well Excavation & Drainage Upgrade

• Excavated window well area to a depth of approximately 3 feet
• Installed 4-inch gravel drainage base
• Integrated a self-contained drainage system for groundwater control
• Installed galvanized steel window guards for protection
• Completed system with a reinforced plastic window well cover

This upgrade ensures proper drainage while preventing debris accumulation and water intrusion at below-grade window openings.

5. Structural Support Post Reinforcement

To address load-bearing concerns:

• Excavated 12 inches below grade and removed unsuitable soil
• Compacted subgrade to improve load distribution
• Poured high-strength concrete footing reinforced with #4 rebar
• Installed a new 4-inch concrete-filled steel support post adjacent to compromised member
• Secured top and bottom steel plates to stabilize central beam load transfer

This intervention restored safe structural load support and long-term stability.

Project Outcome

The completed system now provides:

• Controlled and redirected stormwater management away from the foundation
• Reinforced structural integrity across cracked concrete sections
• Improved below-grade waterproofing protection
• Restored load-bearing capacity through steel post reinforcement
• Enhanced durability of vulnerable openings and window well systems

This project successfully resolved multiple interconnected foundation and structural issues through a combined approach of drainage correction, waterproofing, and structural reinforcement. The improvements significantly reduce long-term moisture risk and enhance the overall stability of the residence in Lloyd Harbor.