Electrical drawings Question Answers.docx
DOCX document 16 KB Posted
- Attached to
- Electrical Installation for Modular Building Federal contract opportunity
- Solicitation number
- 1232SA26Q0125
About this file
This is a Questions and Answers document providing technical clarification and supporting documentation for electrical installation requirements on a modular laboratory building project for the USDA Agricultural Research Service at the Prosser, Washington location.
The document addresses contractor inquiries regarding electrical system specifications and utility connections. Key technical requirements include: a 36' x 68' facility requiring two 225-amp electrical panels each with 120/208V three-phase power; incoming voltage must be 120/208V 3pH (modified from the original 120/240V requirement); contractors must coordinate directly with Benton Public Utility District (PUD) for utility service; and power can be sourced from either the east side (requiring new poles and transformer, overhead or underground) or south side (requiring trenching or multiple poles). The contractor is responsible for providing required amperage and connecting service from the transformer base to the facility. Supporting attachments include electrical drawings (USDA-ARS-REVISED ELECTRICAL_7.23.25), panel schedules (USDA-ARS-REVISED PANEL SCHEDULE_7.23.25), utility layouts (ARS_Prosser_Utilities_B300), and Benton PUD developer letter (ARS_Prosser_BentonPUD_DevLtr), which collectively outline existing power infrastructure, pole locations, transformer specifications, and distance parameters for utility tie-in points.
View the file
Other files for this federal contract opportunity
| File | Type | Posted |
|---|---|---|
| ARS_Prosser_Utilities_B300.pdf | ||
| USDA - ARS - REVISED ELECTRICAL_7.23.25.pdf | ||
| USDA - ARS - REVISED PANEL SCHEDULE_7.23.25.pdf | ||
| ARS_Prosser_BentonPUD_DevLtr.pdf | ||
| Wage Rates.pdf | ||
| LPTA Evaluation Criteria for a Service Contract 1232SA26Q0125.docx | DOCX document | |
| 1153441_ PGIRU- Bryla_ Prosser Mod. Building Elect. FY26- SOW.docx | DOCX document |
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Text version
1. Electrical drawings, site plans, or utility layouts related to the project
0. USDA-ARS-REVISED ELECTRICAL_7.23.25 (attachment)
0. USEA-ARS-REVISED PANEL SCHEDULE_7.23.25 (attachment)
0. ARS_Prosser_Utilities_B300 (attachment)
1. Information on the existing power source (overhead vs. underground service)
1. Overhead, contractor must contract work with Benton PUD directly
0. 120/208V power can come from either the east or south side of the property
0. East requires new poles and transformer, per Benton PUD. Can be overhead or underground.
0. South requires trenching or numerous poles installed
1. ARS_Prosser_BentonPUD_DevLtr (attachment)-this reads 120/240V which was originally the requirement, but requirement has changed to 120/208v 3pH. Conversation with Benton PUD was that the same setup can be done but a step down can be installed to bring the output to 120/208v 3pH
1. Approximate locations of existing power poles, transformers, or utility tie-in points
2. ARS_Prosser_BentonPUD_DevLtr (attachment)-this reads 120/240V which was originally the requirement, but requirement has changed to 120/208v 3pH. Conversation with Benton PUD was that the same setup can be done but a step down can be installed to bring the output to 120/208v 3pH
1. Estimated distances from the utility connection point to the modular laboratory location
3. ARS_Prosser_BentonPUD_DevLtr (attachment)-this reads 120/240V which was originally the requirement, but requirement has changed to 120/208v 3pH. Conversation with Benton PUD was that the same setup can be done but a step down can be installed to bring the output to 120/208v 3pH
1. Could you please provide an update on the availability of the blueprints or electrical drawings for this project?
4. USDA-ARS-REVISED ELECTRICAL_7.23.25 (attachment)
4. USDA-ARS-REVISED PANEL SCHEDULE_7.23.25 (attachment)
1. please confirm the total square footage of the new project facility and advise on the required size (amperage or kVA/kW) of the 120/240V three-phase power system needed to support the project?
5. 36’x68’ facility
5. (2) panels, 225 amps each, 120/208V 3pH
5. 120/208v 3pH required
1. The available amperage (e.g., 200A, 400A, 600A, or greater), and
6. Contractor must provide required amperage
6. (2) panels, 225 amps each, 120/208V 3pH
1. The incoming voltage (120/240V or 277/480V).
7. Incoming voltage must be 120/208v 3pH
7. Contractor is required to connect service from transformer base to facility
File details come from the government source that posted it. Updated .