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CSH060_CSH-7216J_Relocate BFP and Install PW Booster Pumps

Forecast

Federal

Contract Overview

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AI Contract Overview

This project involves addressing critical water pressure deficiencies at the CSH-7216J four-story Bachelor Enlisted Quarters for the Department of the Navy. A previous sanitary survey revealed that water pressure frequently drops below the required 20 psi minimum, particularly during fire hydrant flow discharges, which causes toilet malfunctions and inadequate service on the upper floors. To resolve these issues, the scope of work requires the relocation of the existing back-flow preventer in the first-floor mechanical room to ensure better maintenance access and the removal of three broken pressure reducing valves that are currently bypassed and contributing to the pressure loss. The primary technical solution includes the installation of two to three booster pumps designed to work cooperatively to maintain consistent water pressure across varying consumption levels. The project requires coordination with PWD Engineers to mitigate potential risks associated with increased pressure, such as leaks in aged piping or water loss during power outages. Managed by Navfac Far East under NAICS code 238220, the objective is to restore the facility to Navy standard operating pressures and ensure reliable water distribution throughout the building.

General Info

Install booster pumps and relocate back-flow preventer to fix Navy quarters water pressure.

Agency

Department Of The Navy → Navfac Far East

NAICS

238220 - Plumbing, Heating, and Air-Conditioning Contractors

Place of Performance

USA

Set-Aside

NONE

Documents

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Timeline

PhaseForecast

PostedJul 2

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Organization & Contact Information

AgencyDepartment Of The Navy → Navfac Far East

ContactsNo contacts available

OfficeN/A

Organization / AgencyDepartment Of The Navy → Navfac Far East

Office AddressN/A

ContactsNo contact information available

Full Description

Project Scope of Work (Objective): 1. Background Information: a. 2017/2018 CFAO Sanitary survey reported the significant water pressure drop in CSH-7216J 4-story BEQ. The minimum psi requirement for Navy facilities is 20psi. The average PSI for CSH-7216J can be lower than 10PSI when fire hydrant flow discharges 925 GPM(gallon per minutes), with which any toilet flushing will malfunction. b. Hydrant Test Frequency  Hydrant Flow Test: 1 per every 5 years.  Hydrant Flushing Operation: 1per a year c. Average Water Pressures (Circumstance: Non-Fire Hydrant Flow & Modest water consumption)  Main line before facility: 45PSI  Line after passing BFP/PRV: 34.8PSI  1F: 32 PSI  2F: 27PSI  3F: 22PSI  4F: 15-16PSI d. Pipe size:  From water main to BFP: 5inch (125mm)  From BFP to 1st branch lines: 2.5~4inch (65-100mm)  From 1st branches to the end user lines: : 0.8~2inch(20-50mm) 2. Relocate the existing BFP at CSH-7216J 1F Mech room. a. Require easy access to all internal check valve parts and maintenance activities for the back-flow preventer. 3. Remove 3ea of PRV (Pressure Reduce Valve) in 1F Mech room. a. Those PRV are located after BFP in 1F Mechroom and broken now. KTR created a bypass. b. KTR confirmed they are not necessary but only will contribute the low pressure becoming worse. 4. Fix low water pressure at BEQ. a. Provide 2~3 booster pumps, whose system needs to work corporately to response various water consumption by daily and weekly. (Refer to BOSC KTR survey report attached.) b. Request PWD Engineer to consider drawbacks after boosting water pressure.  Water cut during power outage.  Possible Water leak from any aged piping c. FOS recommendation  Install new booster pumps and ... NOTE: description has been truncated, please see Project Note for full description.