Scope of Work & Technical Capabilities
PCW Contracting Services executes this classification under our verified California State License (#699611) with dedicated field supervision, line-item scope accountability, and systematic coordination tailored to occupied properties.
- Excavation and positive-side waterproofing assemblies
- Negative-side waterproofing and foundation crack repair
- Perforated French drain systems, aggregate backfill, and filter fabrics
- Elevator pit waterproofing and hydraulic water-stop injections
- Subterranean retaining wall protection and drainage composite boards
Who We Serve
HOA properties with subterranean garages, commercial office basements, and hillside retaining wall structures.
Process & Field Communication Approach
We evaluate whether positive-side exterior excavation or negative-side interior waterproofing is the most practical and cost-effective approach for your foundation conditions.
Every project phase is supported by structured homeowner advance notices, on-site project coordination, and project documentation and communication accessible to property managers and board officers.
Practical Technical Inquiries
Positive-side is applied to the exterior face of the foundation wall in direct contact with soil; negative-side is applied to the interior surface to hold back hydrostatic pressure.
Yes. Specialized interior waterproofing and sealant methods can help seal elevator pits from the inside.