C04c New Specs 1240LT26Q0109 102026.docx
DOCX document 21 KB Posted
- Solicitation number
- 1240LT26Q0109
- Issued by
-
Department of Agriculture Forest Service
About this file
This file is a supplemental amendments document to the plans and specifications for the Buckboard Marina Water System Improvements project (Solicitation 1240LT26Q0109), issued by the Department of Agriculture Forest Service for the Flaming Gorge Water System in Ashley National Forest, Wyoming. The amendments modify multiple specification sections and plan sheets to clarify project requirements and technical standards.
Key amendments include: (1) electrical line demolition and abandonment procedures requiring disconnection and removal of abandoned conductors, sealing of conduit with concrete plugs to 12 inches below grade, and capping of open conduit entrances; (2) water treatment system rehabilitation specifications detailing tanks, pumps, piping, valves, and aluminum treatment vessel components with filtration media and drain connections; (3) submersible pump requirements controlled by a Variable Frequency Drive (VFD) operating between maximum and low-end capacities; (4) comprehensive automated control system specifications including SCADA capability, alarm notifications via text/email/cellular, remote operability via laptop/desktop/smartphone, dial-up/cellular/Internet connectivity options, and data logging with at least five years of historical storage and future sensor integration capacity for four additional inputs; (5) asphaltic concrete paving specifications requiring performance graded PG 64-34 asphalt binder conforming to ASTM D6373 and Wyoming DOT standards, with allowance for alternative mixes approved within 24 months by Wyoming DOT or local government; and (6) plan sheet revisions including abandonment of the 150,000-gallon storage tank in place, modifications to concrete bulkhead details specifying 3-inch diameter PE4710 DR-11 waterline inside 8-inch diameter casing pipe, booster pump manhole height requirements of 6 feet minimum, and replacement of the 2-inch water meter with a Badger Recordall disc meter M170.
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Other files
| File | Type | Posted |
|---|---|---|
| C04f New SOI 1240LT26Q0109 102026.xlsx | XLSX spreadsheet | |
| C04a RFI QA 1240LT26Q0109 102026.docx | DOCX document | |
| C04 SF30 1240LT26Q0109-0003.pdf | ||
| C04d Measurement PYMT Sup 1240LT26Q0109 102026.docx | DOCX document | |
| C04e Measurement PYMT Spec 1240LT26Q0109 102026.pdf | ||
| C04g Options Supplement 1240LT26Q0109 102026.pdf | ||
| C04b New SOW 1240LT26Q0109 102026.docx | DOCX document | |
| C05a Site Visit 1240LT26Q0109.pdf | ||
| C05 SF30 1240LT26Q0109-0002.pdf | ||
| C05 SF30 1240LT26Q0109-0001.pdf | ||
| C04d Attachment 4 General Decision WY20260044 07302026.pdf | ||
| C04f Attachment 6 Site Visit 1240LT26Q0109.docx | DOCX document | |
| C04b Attachment 2 Specifications 1240LT26Q0109.pdf | ||
| C04c Attachment 3 Plans 1240LT26Q0109.pdf | ||
| C04e Attachment 5 RFI Form 1240LT26Q0109.docx | DOCX document | |
| C04a Attachment 1 SOI 1240LT26Q0109.xlsx | XLSX spreadsheet | |
| C04 SF1442 1240LT26Q0109.pdf |
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Text version
BUCKBOARD MARINA WATER SYSTEM IMPROVEMENTS
SUPPLEMENTAL INFORMATION – AMENDMENTS TO PLANS AND SPECIFICATIONS
The following specifications are to be amended as provided below:
Section 01 00 10 – Statement of Work and General Requirements Add this attached Section to the Specifications.
Section 01 02 50 – Measurement and Payment Replace in its entirety with the attached Specification Section.
Section 01 02 51 – Measurement and Payment Supplement Add this attached Section to the Specifications.
Section 02 41 00 – Site Preparation and Selective Demolition Paragraph 3.7 is to be inserted as follows:
| 3.7 | Electrical Line Demolition and Abandonment | |
| A. | General: | |
| 1. | Abandoned underground electrical not to be salvaged is considered as incidental excavation work. | |
| 2. | Do not damage electrical lines that remain in service. | |
| B. | Electrical Line Demolition: | |
| 1. | Disconnect and pull conductor from all abandoned electrical conduit prior to sealing conduit. Remove all abandoned conductor in panel boxes leaving no cut wires. Remove any associated breakers from panels. | |
| 2. | Cut conduit and direct bury electrical line a minimum of 12 inches below grade. Plug abandoned conduit with a permanent, water-tight concrete plug extending into the abandoned conduit at least two feet. | |
| 3. | Remove abandoned junction boxes and other related infrastructure to 12 inches below grade. | |
| 4. | Cap or plug any open conduit entrance points in panels that are to remain and install cover plates over open breaker slots. |
The following 2 paragraphs remain and are renumbered as 3.8 and 3.9.
Section 22 11 03 – Water Treatment System Rehabilitation Paragraph 2.2 A.2 is to be amended as follows:
2. Tanks, pumps, piping, valves, drains, electrical lines, float controls and other components and appurtenances outside of the existing utility building.
Paragraph 2.4 A.2.m and following subparagraphs are to be amended as follows:
| m. | Aluminum Treatment Vessel/Housing: | |
| (i). | Filtration media, settling tubes, float valves, and all other necessary internal components for a functioning system. | |
| (ii) | All valves and drains at required connections to the vessel. |
Section 22 11 23 – Submersible Pump and Appurtenances Paragraph 1.2 D is to be amended as follows:
D. The pump and motor shall be controlled by a Variable Frequency Drive (VFD). The pump and motor shall be selected to operate between the maximum and low-end capacities listed above.
Section 26 29 30 – Variable Frequency Drives Paragraph 2.10 is to be added as follows:
| A. | Automated control system: |
| 1. | Common system for all pumps and capable of integration with Treatment Plant SCADA system. Control center to be located at the Water Treatment Plant. |
| 2. | Automatic start/stop of pump, pump flow based on tank levels. |
| 3. | The system shall be capable of running continuously (24 hours per day, 7days per week). |
| 4. | Manufacturer to provide programming and set-up/start-up of the controlsystem. |
| 5. | Alarm system capable of notifying the system operator when pump shuts down, tank level low, low pressure, or other problem needing operator attention. The alarm shall communicate the problem (Example: Low raw water tank level). The alarm shall be capable of operating via both of the following: |
| a. | Text, email, and other methods via a cellular or Internet connection |
| 6. | SCADA (Supervisory Control And Data Acquisition) system. |
| a. | Capable of remotely operating all plant controls and communicating all sensor data to the system operator. |
| 7. | Control system is operable and accessible via all methods below: |
| a. | Dial-up connection over a standard (hard-wired) phone line |
| b. | Cellular phone service with and without Internet connection |
| c. | Internet connection |
| 8. | Control System can be fully operated remotely via both methods below: |
| a. | Laptop or Desktop Computer |
| b. | Smart Phone |
| 9. | Data Logging: |
| a. | System is capable of storing at least 5 years of data for all sensors and other data collected. |
| b. | Historical data can be easily accessed on-site or remotely, and can be easily graphed to show historical trends. |
| 10. | Future Proofing: |
| a. | Ensure the system is capable of accepting at least (4) additional sensor inputs and integrating the sensor signal into the control system. |
Section 32 12 16 – Asphaltic Concrete Paving Paragraph 2.1 A is to be amended as follows:
| A. | Asphaltic Cement: | |
| 1. | Asphalt binder shall be performance graded PG 64-34, conforming to the requirements of ASTM D6373 (AASHTO M320, Table 1). The binder may meet the requirements of the Wyoming DOT Standard Specifications Sections 401 and 804. | |
| 2. | The binder shall be homogeneous, free from water, and shall not foam when heated to 350°F. |
Paragraph 2.1 C is to added as follows:
| C. | Alternative Mix Designs: | |
| 1. | Alternative mix designs may be allowed subject to Contracting Officer Approval. Mix designs that will be accepted shall be ½” aggregate mixes that have been approved within the past 24 months by the Wyoming DOT or a local government for use in similar environments. |
The following plan sheets are to be amended as provided below:
Sheet C.0.2 – Notes Removal and Disposal Notes: Note 2 is revised to state: “With the exception of the 150,000-gallon storage tank, all facilities noted as to be abandoned must be removed to 12” below finish grade. The 150,000-gallon water tank is to be abandoned in place.
Sheet C.2.2 – Work Options Supplement Add this attached Sheet to the Project Plans.
Sheet C.8.2 – Details Detail 1 – “Concrete Bulkhead Detail” is to be revised as follows:
Revise inner pipeline note to state: 3” dia. PE4710 DR-11waterline inside 8” dia. Casing pipe.
Sheet C.8.5 – Details Detail 3 – “In-Line Booster Pump with VFD in Manhole” is to be revised as follows:
| Minimum height of 60” diameter wall shall be 6’ -0” |
| Maximum height of 30” diameter lid and grade rings above the flat lid shall be 30”. |
| An eccentric cone may be substituted for the flat lid if the above parameters can be met. |
Sheet C.8.8 – Details Detail 1 – “ 2” Water Meter” is to be revised as follows:
Revise meter model note to state: 2” Badger Recordall disc meter M170.
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