A0003_Att_Hydrant_Flow_Chart_Graph_0003.pdf

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Attached to
DETO 228872 - Replace Obsolete Housing with Multip
Solicitation number
140P2025R0002
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This Water Flow Test Report details a hydrant flow test conducted on January 29, 2021, at Devils Tower National Monument's Park Housing location. The test was performed using hydrants A1 and A2, with a gravity-fed water tank supplying water. Key technical measurements include a static reading of 68 PSI, a residual reading of 54 PSI, and a total flow during the test of 475 GPM. The test results indicate that at 20 PSI residual, the flow rate is 923 GPM, and at 0 PSI, the flow rate increases to 1,114 GPM. The test was conducted by RFP, SB & BH on a Friday morning at 9:00 AM, with hydrants having a 2.5-inch opening and a coefficient of 0.9. The report was provided by the Life Safety and Fire Protection Engineering Section located in Little Rock, Arkansas.

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WATER FLOW TEST REPORT

HYDRANT # & LOCATION: 2, N & S Corners of Site Location DATE: 1/29/2021

TEST BY: RFP, SB & BH Day or Week: Friday TIME OF DAY: 9:00am MIN. OF FLOW:

WATER SUPPLIED BY: Gravity Fed Water Tank

PURPOSE OF TEST: Devils Tower National Monument, Park Housing

DATA

FLOW HYDRANT(S) A1 A2 A3

SIZE OPENING: 2.5 2.5

COEFFICIENT: 0.9 0.9

PITOT READING: 8

GPM: 475 0

TOTAL FLOW DURING TEST: 475 GPM

STATIC READING: 68 PSI RESIDUAL: 54 PSI

RESULTS: AT 20 PSI RESIDUAL 923 GPM AT 0 PSI 1114 GPM

ESTIMATED CONSUMPTION: GAL.

REMARKS:

0 68475 54923 201114 0 C = 0.9D = 2.5P = 8

11140

0 500 1000 1500 2000 2500

P re s s u re p s ig

Flow, gpm

Provided by the:

Life Safety and

Fire Protection Engineering

Section

101 S. Spring St

Little Rock, AR 72201

(501) 372-2900

WATER FLOW TEST REPORT

Provided by the:

Life Safety and

Fire Protection Engineering

Section

101 S. Spring St

Little Rock, AR 72201

(501) 372-2900

File details come from the government source that posted it. Updated .