Plumbing Systems for New Construction & Multi‑Use Developments

New construction and multi‑use projects demand careful planning, coordination, and execution to ensure long‑term system performance and compliance. D.M. Kelly Mechanical partners with developers, general contractors, and property owners to deliver reliable plumbing and mechanical systems for offices, retail spaces, mixed‑use buildings, apartments, medical facilities, and institutional properties. From underground rough‑in to final fixture installation, our team ensures every system is designed, installed, and tested to meet project specifications, local codes, and future operational demands.

What We Offer

• Design-Build Pre-Construction Planning & Budgeting — Early project evaluation, budgeting, and scope development.

• Design Coordination — Collaboration with architects, engineers, and project teams to optimize system layouts and performance

• Value Engineering — Cost-effective solutions that maintain quality, efficiency, and code compliance.

• Constructability Reviews — Identifying potential conflicts and challenges before construction begins.

• Permit & Code Compliance Support — Assistance navigating local codes, regulations, and permitting requirements.

• Project Management — Seamless coordination from concept through completion.

• Commercial Plumbing & Mechanical Installation — Complete installation of plumbing and mechanical systems for new construction and renovations.

• Testing, Startup & Commissioning — Verification that systems perform as designed and meet project specifications.

• New Construction Plumbing Installation — Complete installation of domestic water, waste, vent, and gas systems from ground‑up construction through project completion

• Multi‑Use & Mixed‑Occupancy Systems — Plumbing solutions designed to support varying demands across residential, retail, office, and shared building spaces

• Tenant Improvements & Build‑Outs — Plumbing installation and modifications for new tenants, space reconfigurations, and commercial build‑outs

• System Design Coordination — Collaboration with project teams to support layouts, equipment sizing, routing, and constructability

• Inspections & Code Compliance — Systems installed and tested to meet local jurisdiction, health department, and plumbing code requirements

Common Questions

What types of projects do you support for new construction? We support commercial, industrial, institutional, and mixed‑use projects including offices, retail, healthcare, apartments, and multi‑tenant developments.

Do you handle both rough‑in and finish plumbing? Yes. We provide full‑scope services from underground and rough‑in installation through trim‑out, testing, and final inspection.

Can you work with project plans and engineering drawings? Absolutely. We regularly coordinate with architects, engineers, and general contractors to follow plans, address field conditions, and support constructability.

Do you assist with permitting and inspections? Yes. Our installations are completed to meet local code, and we coordinate inspections as required by the authority having jurisdiction.

Can you support phased or multi‑stage projects? Yes. We understand the complexity of phased construction and tenant turnovers and plan installations to align with project timelines and sequencing