Intake_Bypass_Gate_Specification_1.pdf
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- Attached to
- INTAKE BYPASS GATE Federal contract opportunity
- Solicitation number
- 140R3025Q0095
About this file
This document is a Request for Quote (RFQ) specification for an Intake Bypass Gate for the Bureau of Reclamation's Yuma Desalting Plant (YDP) in Yuma, Arizona. The solicitation seeks a preassembled slide gate with specific technical requirements, including a Rubicon SlipGate or equivalent, capable of regulating flow through the Main Outlet Drain Extension (MODE) canal. Key specifications include an open seal design, internal and external seals, dimensions of 11' high x 7-3/4" deep x 7'-10 ½" wide, with a minimum flow width of 78" and height of 83".
The gate must be solar-powered, with an actuator meeting AWWA C542 standards, capable of precise positioning within 1/16", and include features like thermal and torque protection, manual override, and limit switches. Control systems must support multiple protocols (DNP3, MDLC, Modbus, TCP/IP) and allow local, remote, manual, and automatic control. The supplier is required to deliver the preassembled gate, actuator, and controls to the Yuma Area Office within 8 months of the Notice to Proceed, with a one-year warranty on materials and workmanship. This is currently a Sources Sought notice to gather market research and potential contractor capabilities.
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Text version
Intake Bypass Gate RFQ No.: 140R3025Q0095
A.1. SPECIFICATION
A.1.1. INTRODUCTION
The Bureau of Reclamation (Reclamation), Yuma Area Office, has a need to purchase an actuated slide gate to regulate flow through the Yuma Desalting Plant (YDP) intake bypass located in the Main Outlet Drain Extension (MODE) canal. This function is currently performed by stoplogs, requiring a mobile crane to raise and lower.
A.1.2. OBJECTIVE OF THE PROJECT
Purchase the necessary gate, actuator, controls, support structure and incidentals necessary for a complete, stand-alone installation.
A.1.3. REQUIREMENTS
Contractor shall furnish all equipment and materials listed in this Specification and deliver them preassembled to the Bureau of Reclamation, Yuma Area Office, 7301 Calle Agua Salada, Yuma, AZ 85364.
The supplied slide gate shall have the following minimum characteristics:
1. Rubicon SlipGate, or equal
2. Open seal
3. Internal and external seals, capable of holding flow in both directions.
4. Replaceable and adjustable seals.
5. Entire frame and pertinent attachments to fit within existing stoplog channel, dimensions of which are 11’ high x 7-3/4” deep x 7’-10 ½” wide.
6. Minimum flow width to be 78”. Minimum flow height to be 83”.
7. The following drawings of the existing structure are included for informational purposes.
1292-D-5572 84-Inch Dia. Pipe Inlet Structure - Plan, Section And Details - Sheet 1 Of 2.
1292-D-5573 84-Inch Dia. Pipe Inlet Structure - Sections And Details - Sheet 2 Of 2.
1292-D-5566 - Stoplog - Installation - Assembly - List Of Parts Sheet 1 Of 3.
1292-0-5567 - Stoplog - Stoplog Leaf - Seal Clamps - Details - Sheet 2 Of 3.
1292-D-5568 - Stoplog - Seats And Guides - Details - Sheet 3 Of 3.
8. Wetted parts to be suitable for service in brackish groundwater. Ceramic coating or equivalent corrosion protection to be applied to wetted and exposed parts.
9. Gate shall be designed and built in accordance with AWWA C562.
10. Stainless steel shafts and couplings.
A.1.3.1. General Requirements
Gate and actuator shall be one assembly.
Controls to be mounted separately via pedestal or stand-alone cabinet.
All necessary hardware and instructions for mounting of gate within stoplog channel to be included.
Unit to be solar powered. All necessary components to be included, e.g. solar panel, batteries, charge controller, cables, etc.
A.1.3.2. Operating Conditions
Gate shall be used in the Main Outlet Drain Canal (MODE), a conveyance for brackish groundwater running through the greater Yuma area. Gate and associated equipment will be required to operate in a temperature range of 0˚ Celsius (32˚ Fahrenheit) to 50˚ Celsius (122˚ Fahrenheit).
The existing site is shown in the following pictures.
Figure 1 Bypass Inlet and Spillway in MODE canal
Figure 2 Bypass Inlet with Stoplog
Figure 3 Stoplog and Channel
A.1.3.3. Submittal Requirements
Submit the following information with proposal:
1. Details and dimensions, types, weights, and materials of construction.
2. Manufacturer catalog cuts and other documentation showing the gate, model, and outline dimensions.
3. Installation, set up, and operating instructions
A.1.3.4. Actuator
Actuator shall meet the following minimum requirements:
Capable of positioning gate to within 1/16”.
Designed and built in accordance with AWWA C542 Motor protection – Thermal switch trip and torque switch trip Enclosure – Watertight, NEMA 4 Surface Cooling Override Control - Manual Hand Crank. A seized or inoperable motor shall not prevent manual operation.
Fully Open / Fully Closed Limit Switches Mechanical Position Indicator
A.1.3.5. Controls
Gate controls shall meet the following minimum requirements:
Support the following protocols: DNP3, MDLC, Modbus, TCP/IP Capable of local, remote, manual and automatic control.
Automatic control based on input from third party level sensors or flow meters.
Control housing to be standalone, allow local control and protect electronic components and batteries from physical impact and elements.
Control housing to include keypad and digital display, protected from impact and elements.
Integrated diagnostics.
Support the following interfaces: RS232/485, USB, Ethernet Data storage capability
A.1.3.6. O & M Manuals
Two (2) hardcopy and (1) digital set of installation, operating and maintenance instructions shall be furnished.
A.2.1. REFERENCES
(1) American Water Works Association (AWWA), 6666 W Quincy Ave, Denver, CO 80235
(2) National Electrical Manufacturer’s Association (NEMA), 1300 North 17th Street, suite 1847, Rosslyn, VA 22209
A.2.2. PERFORMANCE PERIOD
The supplier shall furnish the required preassembled gate, actuator and controls FOB, 7301 Calle Agua Salada, Yuma, Arizona 85364, (8) months after receipt of Notice to Proceed.
A.2.3. Warranty
The contractor warrants that for a period of (1) year after correction of all deficiencies and acceptance by the Government, all materials furnished under this contract will be free from defects in material and workmanship and will conform with these specifications and all other requirements of this contract.
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