Site & Building Water Use

Moscow City Halloow CCww www ww ll

Jamie Christensen, Cassie Burgess, Gwen Swanson

Moscow City Hall is federal building built in 1911 by James Knox Taylor. It was first a post office and community center and now currently the city hall.

It has been modified over the years to comply with code and accessibility requirements but still has room to grow to conserve more water.

History

City Hall

City of Hall is located on in the heart of downtown Moscow. It sits between 2nd and 3rd street.

It houses the city government, including the mayor, utility billing, and a variety city services.

Site DescriptionN

Building Materials

BrickLimestoneWoodGlassConcrete MetalTile

Average Rainfall

0

0.5

1

1.5

2

2.5

3

3.5

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Moscow Monthly Rainfall

Inches

Normal Annual precipitation is 27.37.

Rainfall is usually evenly distributed.

November is the month with the most rainfall.

N

Inventory of Stormwater Collection

Internal Down Spouts External Down Spouts

All water is directed to the cites underground stormwater gathering system.

Main spout thatgoes to the

underground system.

0 2 4 6 8 10 12 14

Toilets

Sinks

Urinals

Fountains

Totals:

3rd �oor

2nd �oor

1st �oor

Inventory of Water-Using Fixtures

Sloan Valve COSloan Valve COFlexi-Guard

Water-Using Fixtures Locations

1st Floor Plan

3rd Floor Plan

2nd Floor Plan

Conventional Water Supply

Fixtures # of Each WSFU Total (fu)Toilets 12 10 120Urinals 4 10 40Rest Room Sinks 8 2 16Non-Rest Room Sink 1 1.4 1.4Drinking Fountain 3 0.25 0.75

178.15

WU = total water usefu = total fixture units

GPFU[gal/day/supply fixture unit] = (WU)/(fu)

12.6GPFU = (WU)/(fu)

Fixures Total (FU) GPFToilets 120 1,512Urinals 40 504Rest Rooms Sinks 16 201.6Non-Rest Room Sinks 1.4 17.64Drinking Fountain 0.75 9.45

2,244.69

FU= weight in fixture unitsGPF[gal/day/ fixture] = (FU)(GPFU)

12.6GPFU = (WU)/(fu)

Conventional Water Supply

Conventional System

Redesign: Conserve Water

Kohler Kohler

Proposal: waterless urinals dual flush toilets motion sensor faucets cistern for roof run off

Sloan Valve COz

Redesign: Conventional Water

Fixtures # of Each WSFU Total (fu)Toilets - Dual Flush (.8/1.6 gallons) 12 1.6 230.4Urinals - Waterless 4 0 0Restroom Sink - Mo�on Sensors 8 0.7 44.8Non- Restroom Sinks 1 1.4 1.4Drinking Fountain 3 0.25 0.75

277.35

WU = total water usefu = total fixture units

GPFU[gal/day/supply fixture unit] = (WU)/(fu)

8.11GPFU = (WU)/(fu)

Redesign: Conventional Water Fixture Total (fu) GPFToilets - Dual Flush 230.4 155.7Urinals - Waterless 0 0Restroom Sinks - Mo�on 44.8 45.4Non-Restroom Sinks 1.4 11.3Drinking Fountains 0.75 6

218.4

8.11GPFU = (WU)/(fu)

FU= weight in fixture unitsGPF[gal/day/ fixture] = (FU)(GPFU)

Redesign: Conventional System

90% Savings

Redesign: Stormwater Collection

N

Internal Down Spouts External Down Spouts

The cistern can go where themain value comes from the building.

Proposal Size 20,000 gal.

Thank You!!!