FLNI_WWTP_Riser_Project_FINAL.docx
DOCX document 2 MB Posted
- Attached to
- FY 21 FLNI REPLACEMENT OF UNSANITARY RISER
- Solicitation number
- 140P4221Q0092
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Other files
| File | Type | Posted |
|---|---|---|
| Wage_Determination_PA20210020__Somerset__PA.pdf | ||
| Sol_140P4221Q0092.pdf | ||
| Past_Performance_Questionnaire_.doc | DOC document |
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Text version
STATEMENT OF WORK
Replacement of Unsanitary Riser Flight 93 National Memorial 273 Park Headquarters Road, Stoystown, PA 15563
1. General
1.1. This Project is for the replacement of an unsanitary riser located within the boundary of the Waste Water Treatment Plant located at Flight 93 National Memorial
1.2. The existing riser has noticeable signs of water entering where the ladder attaches to the pipe, the United States Public Service has highly recommended that this replaced promptly.
2. Scope of Work
2.1. Removal of Existing Unsanitary Riser for Potable Water Tank
2.1.1. Contractor shall remove the existing Riser which is a 30 inch smooth bore corrugated pipe measuring 72 inches long vertically with a stainless steel ladder attached to the corrugated pipe for entry. The unsanitary riser is mended to the concrete potable tank. The top of the unsanitary riser only extends a few inches above ground level and covered with an inadequate riser cap/lid. Currently the lid is screwed down with stainless screws to the corrugated pipe and locked with two locks.
2.2. Construction/Installation of Sanitary Riser
2.2.1. Contractor shall construct/install a new sanitary for the potable tank. The riser shall be constructed of a 4 feet x 4 feet x 10 feet concrete riser with polymer steps for entry. The new riser shall meet the clean drinking potable water standards and be NSF approved and/or compliant with PA DEP Safe Drinking Water Standards.
2.2.2. The riser can be sealed together in sections but must meet the sealing of tanks with the PA DEP Safe Drinking Water Standards listed in the Compliance Standard. The concrete riser must be mended/sealed to the existing potable concrete water tank with approved sealing techniques-- including concrete sealing and "con seal " sealing where applicable. The top of the riser shall consist of concrete lid with a stainless-steel hatch molded into the concrete. The lid must seal air/ water-tight and have a sufficient area to install a 2-2.5 inch pad lock. Finished ground to top of riser height shall be 24-28 inches above current grade.
3. Photos of Existing Riser
4. Location of Potable Water Tank / Riser Coordinates (40.062207,-78.901873) image1.jpeg image2.jpeg image3.png
File details come from the government source that posted it. Updated .