Like any sound structure, ZDG believes that all successful projects are founded on early, sound decisions which begin during the pre-construction phase.

Our team of highly trained professionals build efficiencies from the start, creating a strict timeline of budgets, logistics, and scheduling, remaining completely focused on the ultimate goal of actualizing client visions. When unanticipated challenges arise, our experienced staff can problem-solve and address the challenges head-on to ensure the project stays on track. Our pre-construction services include: 

  • Conceptual Estimates Prep
  • Detailed Budgeting
  • Site Investigation
  • As-Built Condition Reviews
  • Conceptual Estimates
  • Constructability Reviews
  • Abatement Programs Coordination
  • Value Engineering Reviews
  • Project Execution Plans
  • Trade Contractor Qualifications
  • Bid Documents
  • Mock-Up Requirements
  • Project Administration Procedures
  • Project Logistics Planning
  • ID of Government Agency Requirements
  • Project Phasing Development
  • Scheduling
  • Special Inspection requirements development
  • Available Labor/Materials assessments
  • Safety Program Establishment
  • Utility Company Requirement



the structure

ZDG’s attention to clients’ needs throughout the project is not formulaic; with each project brings newly welcomed challenges, and our diverse staff remains fully focused on managing the project at every phase. We provide technical support in all of the following stages of construction:

  • Site Work
  • Building Foundations and Structures
  • MEPS
  • Building enclosures
  • Interior Finishes

ZDG believes in taking a collaborative approach with all parties involved, and our project management team instills a rigorous checks and balances system to ensure safety.

We use direct, collaborative communication with the clients, architects, engineers and design consultants, ensuring that we are unified in reaching the same goal. We understand that without a strong communication structure in place, the project cannot meet the high standards that ZDG expects to deliver with each new venture. Our construction services include:

  • Trade Contractors
  • Project Administration
  • Expediting of Materials and Equipment
  • Field Supervision
  • Government agency coordination
  • Safety Programs and Procedures administration
  • Shop Drawing Reviews/Coordination
  • Quality Control Procedure Implementation
  • Design Consultant Coordination
  • Trade Contractor Meeting Coordination
  • Owner/Design Consultant Meeting Coordination
  • Monthly Progress Report Preparation
  • Cost Report Maintenance
  • Critical Path Schedule Maintenance
  • Testing Agency Coordination
  • Utility Company Coordination 

Poached Eggs with Skillet Toast



ZDG does not consider a project completed until all final details are concluded. We are well versed in a variety of post-construction requests. Whether processing required documentation for ROCs or cataloguing manuals and drawings, ZDG ensures that every last box is checked. The result is a high-quality outcome that will continue to set the bar high for the industry. Our post-construction services include:

  • Receipt of Certificate of Occupancy paperwork processing
  • Mechanical System Commissioning
  • Operation and Maintenance manual development
  • As-Built Drawing documentation
  • Attic-Stock coordination
  • Equipment training coordination
  • Trade Contract settlements
  • Lien Waivers/Releases settlement