B08_Solicitation_Attach_7__Specifications_Septic_Flow_Calculations_102824_-_Copy.pdf

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Attached to
THRO LIFT STATION Construction Project Federal contract opportunity
Solicitation number
140P6325B0003
Issued by
Department of the Interior National Park Service Midwest Region

About this file

This document is a detailed septic flow calculations worksheet for the Theodore Roosevelt National Park - South Unit Camp Sewer Replacement project. The calculations outline specific septic system requirements, including a total daily flow of 2,725 gallons per day (GPD), derived from 25 GPPD for central comfort stations and 109 visitors based on a 4-year summer average. The septic tank sizing calculations account for 58 total fixtures across comfort station fixtures (15 each), camp tender residence fixtures (4), and future campsites (24 fixtures from 6 full hookup sites), resulting in a total required septic tank size of 3,700 gallons. The breakdown includes a 2,500-gallon tank for current requirements and a 1,200-gallon tank for a future duplex, with references to specific sewage system design guidelines (62-03.1-03-03 and 62-03.1-03-07).

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Text version

25 GPPPD

2725 GPD

2500 Gallons

1200 Gallons

3700 Gallons

Required Septic Tank Size*:

Total Required Septic Tank Size:

*Reference 62-03.1-03-07 Septic Tanks

Septic Flow Calculations

Septic Tank Calculations

Comfort Station Fixtures (15 Each):

Camp Tender Residence Fixtures:

Future Campsites (6 Full Hookup - 4 Fixtures Each):

Total Fixtures Served:

Required Septic Tank Size*:

Future Duplex:

Theodore Roosevelt National Park - South Unit Camp Sewer Replacement

Camps with Central Comfort Stations (flush toilets, no showers)*:

Visitors(Based on 4-yr Summer Average):

Total Daily Flow:

*Reference 62-03.1-03-03 Design of Individual Sewage System

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