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www.bgbuildingworks.com
April 6, 2020
Brian Majeski, Assoc. AIA
urban|rural design
252 Linden Sreet
Fort Collins, CO 80521
RE: Flats on Mulberry Domestic Water Service Sizing
BG Project #10231.00
Brian,
BG Buildingworks, Inc. (BG) has been requested to complete domestic water service sizing calculations for the
Flats on Mulberry project at the corner of Howes and Mulberry in Fort Collins, CO. The two existing buildings
are anticipated to be renovated into short-term properties. The two buildings are intended to have separate
services and meters; fire suppression service is also anticipated to be provided separate from the domestic
water service (i.e. not combined services).
The Owner has committed to the following plumbing fixtures. Based on the 2018 International Plumbing Code
sizing requirements, the below table lists the anticipated fixtures, quantity, water source fixture units, and
total gpm for each building.
FIXTURE UNITS FIXTURE UNITS
FIXTURE TYPE dFU/
each QTY dFU
total
GPM
(approx.)QTY dFU
total
GPM
(approx.)
Building 221/223 Building 227/229
Bathroom Group,
Private (Toilet, Lav,
Shower)
3.6 7 25.2 -7 25.2 -
Clothes Washer,
Private
1.4 ---3 4.2 -
Water Closet,
private, flush tank
2.2 1 2.2 -1 2.2 -
TOTAL -27.4 22.0 -31.6 23.9
The estimated water pressure available for the project, per City of Fort Collins Utilities, is greater than 80psi;
after the meter and PRV, service pressure is anticipated to remain over 60psi. The estimated maximum
developed length, with fittings, is 150ft. Based on the 2018 IPC, these variables translate to a 3/4” meter and
service pipe.
Please let us know if any of the above values should be edited or if there is any additional information BG can
provide at this time.
Sincerely,
Erin Pasold, PE
Sr. Project Manager