Phased Construction on Occupied Sites in Aurora and the Southeast Metro
Phased renovation and expansion for hospitals, schools, offices and retail that stay open, with barriers, utility cutovers and clear communication.
Hospital beds, classrooms and open sales floors share one trait: nobody can switch them off while a contractor works. Sky Ridge Medical Center in Lone Tree is a Level II trauma center with more than 300 beds, and the University of Colorado Anschutz Medical Campus has nearly 25,000 faculty, employees and support staff. Construction near operations like those has to be planned around the people inside the building, not just the building itself.
We phase work on occupied sites for health systems, school districts, office owners and retail operators who cannot close. Phasing means dividing the project into zones and time windows, protecting the occupied space with barriers and ventilation controls, and managing noise, dust, vibration, utilities, access and egress so that the owner's business continues.
The plan is built with the owner's operations staff, not handed to them. Facility managers know when the quiet hours are, which air handlers feed which wing and who needs to be told before the water is shut off.
Protecting people next to the work
Life safety is the first rule. Fire exits, corridors, sprinklers and alarms must stay functional, and any impairment is planned, approved and logged in advance. We install temporary barriers and fire-rated enclosures where required, maintain emergency access for fire vehicles and keep clear egress routes for occupants. Pedestrian routes are separated from construction traffic with fencing and signs.
Health care adds infection control. Dust-tight barriers, negative air machines, sticky mats and sealed penetrations keep construction particles away from patients. We follow the owner's infection prevention requirements, monitor pressure differentials and clean continuously. Schools and offices have similar requirements for air quality and noise, scaled to the occupants.
The phasing plan: zones, sequences and cutovers
We start with a walk of the building with operations staff to map occupied areas, critical equipment and routes. From that walk comes a phasing drawing that shows each construction zone, the barriers that separate it, the path for workers and materials, and the duration of each phase. Each phase has a turnover plan defining what the owner receives and what moves next.
Utility cutovers deserve their own plan. Shutdowns for electrical, water, medical gas or data are scheduled in short windows, usually off-hours, with a written procedure, a rollback option and a person from the owner's team present. We pre-fabricate and pre-test where possible so the outage is a connection, not a construction project. The work resembles what we do in healthcare construction but applies equally to schools, offices and retail.
Where occupied-site phasing is used
Typical projects include additions to hospitals, renovation of patient floors, school classroom modernizations, office lobby and floor upgrades and retail remodels. In office parks such as the Denver Tech Center, where a workforce of more than 35,000 and over 1,000 companies share the park, tenants expect upgrades to proceed with minimal disruption.
The scope also includes site work. Parking lot replacements, entrance realignments and utility upgrades often touch the same people moving in and out of a building. We coordinate the interior work with the exterior paving and parking scope, described under parking lot construction, so that no one is surprised by a closed door. Entrances are the key: a main door, a drop-off lane or an accessible route is rarely closed for more than a night without an approved alternate, and we mark every alternate with signs and a staffed point where the occupants need help.
Working hours, noise windows and turnover dates
Occupied sites often limit work hours. Noisy or disruptive tasks, such as demolition, drilling and core cutting, may be restricted to nights, weekends or school breaks. We prepare a calendar that places those tasks in approved windows, then back it with extra crews so that a short window gets a full day's work done.
Communication keeps the schedule credible. We provide notices to occupants, post upcoming work in lobbies and hold regular meetings with facility managers. When something changes, for example a water line that turns out to be in a different place than the drawings showed, the owner hears the same day with a proposed fix. We also keep a short look-ahead schedule posted for the next two weeks, so department heads, teachers and tenants know which corridor, stair or entrance will be affected and when, and can adjust their own plans without calling us.
Owners who ask us for phased work
Healthcare systems are the most demanding clients for phasing, but education institutions and property management firms rely on it constantly. School districts schedule major work around the summer break, and property managers coordinate renovations with lease obligations and tenant operations.
Retail operators sometimes need to remodel while keeping sales going. We use hoarding, night work and quick turnovers to protect revenue, and we report progress against the sales calendar. Holiday periods, product resets and grand reopenings are plotted on the same schedule as inspections so the store can plan staffing and inventory around the work.
Related capabilities
Phased projects often involve renovation and adaptive reuse, and the early work is often selective demolition. Each has its own hazards, which we manage in the same plan. A suspended ceiling opened above a corridor, for example, can expose old duct insulation, abandoned conduit and undocumented penetrations, so we survey above and behind finishes before cutting and keep a log of what we find for the owner's records.
If you have a campus in Lone Tree or elsewhere in the southeast metro, we can help sequence several projects so that they do not collide.
Plan the phasing before the barriers go up
Tell us what must stay open and when, and we will build a phasing plan with cutover windows and a realistic schedule. Our teams in the Denver Tech Center and across the southeast metro are ready to walk the site.
Questions Owners Ask
Can a hospital stay fully operational during a major renovation?
Usually yes, with strict phasing, barriers, infection control and carefully planned utility shutdowns. The owner's infection prevention and facility teams must approve the plan. Some areas may need temporary relocation of services during critical phases.
How do you limit noise and vibration for neighbors?
We schedule noisy work in approved windows, use saws and drills with dust and noise controls, and monitor vibration when sensitive equipment is nearby. For especially sensitive areas, we choose methods like adhesive-set fasteners or core drilling over impact tools.
What do you do about dust?
We seal the work area with floor-to-ceiling barriers or enclosures, use negative air machines with HEPA filters where required, and clean continuously. Tacky mats at exits and daily inspections maintain the line between work and occupied areas.
How are utility shutdowns planned?
Each shutdown has a written procedure listing steps, duration, responsible parties and rollback plans. The owner approves the date and time. We test and pre-assemble connections to shorten the outage.
How does phasing affect cost?
Phasing adds cost because of repeated mobilization, temporary protection, off-hour labor and slower production. It can also save money for the owner by avoiding a shutdown or relocation. We estimate the premium transparently so the owner can compare it with the cost of closing.