Page 426 - Mines Facilities Plan

into the existing 6” steam line creating a loop. This loop would provide system
ANTICIPATED BUILDINGS ADDITIONS/ EXPANSIONS RELATED TO
into an upgraded 8” steam main line in the tunnel along Cheyenne Street just
Below is a schedule of when and what buildings are anticipated to be added
through the Frontiers Building in a utility corridor. That 8” steam main would
The Frontiers Building is anticipated to be served with an 8” steam line tied
design of the building is anticipated to begin. The buildings themselves will
to the campus heating plant. These dates are approximations for when the
Building in a tunnel or utility trench. The 8” steam main is anticipated to run
as it routed west to Illinois Street. At Illinois Street, the steam line would tie
then exit the Frontiers Building at 18th Street and would reduce to a 6” line
west of CTLM. The new 8” steam line would be extended to the Frontiers
ce Wrap (Maple/14th), Residence Halls VII and VIII, Dining and Indoor Recreational ce Building
likely be operational one to three years after the years listed here.
redundancy and allow for future connection as necessary.
PROPOSED CAMPUS HEATING SUMMARY

CAMPUS HEATING PLANT Mines Parking Structure 1 and Offi Spruce Hall (Residence Hall VI), Frontiers Building Facility Research 1, Parker Student Center Expansion Lakes Library Expansion Research 2 Research 3, Illinois / 19th Street Offi

YEAR 2019 2020 2023 2024 2027 2030

existing Campus Heating Plant that must be implemented to adequately serve
from the master plan, is projected to be 112,100 lbs/hr (also without diversity).
would add approximately 21 GPM (~10,600 lbs/hr). Based on these numbers,
an eighth pump would need to be provided prior to the addition of Residence
the full master plan build-out in regards to steam. Refer to Steam: Estimated
prior the addition of Research 2, which is anticipated to start design in 2027.
anticipated to be the same manufacturer, model, and size as the (7) existing
anticipated to start design in 2020. A ninth pump is anticipated to be needed
pumps (Spriax Sacro Pivotrol Condensate Pumps (PTC 3”x2”)). Each pump
serve all present and future steam loads imposed by the master plan. Aside
connected load, with the addition of the proposed buildings and expansions
As stated in the Existing Campus Heating Summary section of this report,
from replacing B3 and piping upgrades, there are no improvements to the
cient capacity to
The Heating Plant has room to add (2) condensate pumps. Each pump is
the existing steam heating plant has a maximum capacity of 105,000 lbs/
Halls VII and VIII and Dining and Indoor Recreational Facility, which are
that the plant could theoretically serve is 131,250 lbs/hr. The total future
Anticipated Load Summary for a list of all current and future anticipated
hr. Therefore, with a diversity of 0.8, the maximum total connected load

Therefore, the existing steam heating plant will have suffi
connected buildings and their associated loads.
Nine (9) pumps are anticipated to be sufficient to pump the predicted future condensate load of 180 GPM (~90,000 lbs/hr) assuming an 80 percent Colorado School of Mines Facilities Master Plan

7.0 diversity. 420