A.02 DRAFT SOW FY23 Impeller Purchase_07JUL2023.pdf
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- Attached to
- Dredge Essayons OSDP Pump Impellers
- Solicitation number
- W9127N23R0035
About this file
This statement of work outlines requirements for the casting, machining, and delivery of over side dredge pump impellers. The contractor shall produce 3 port and 4 starboard impellers per the referenced drawings. The government will provide casting patterns to be picked up from and returned to the Portland District Warehouse. The contractor must furnish all other materials, including high chrome white cast iron meeting composition specifications. Dimensions and tolerances per the drawings must be strictly followed. The contractor shall balance, paint, and stencil the impellers with drawing numbers before conducting an onsite government inspection. The completed impellers are to be shipped FOB destination to the Portland warehouse within 120 calendar days of contract award, allowing 10 days for final inspection. The related pre-solicitation lists this impeller procurement with an opportunity close date to be determined and is issued by the US Army Corps of Engineers Portland District for the dredge Essayons.
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Other files
| File | Type | Posted |
|---|---|---|
| A.02 USACE Drawing E-1730-18.pdf | ||
| A.02 USACE Drawing E-1730-17.pdf |
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Text version
OVER SIDE DREDGE PUMP IMPELLERS DREDGE ESSAYONS
STATEMENT OF WORK
GENERAL REQUIREMENTS
Cast, treat, machine and deliver 3 port and 4 starboard OSDP impellers. (Port impeller rotates counterclockwise viewed from the impeller eye, starboard impeller rotates clockwise viewed from the impeller eye)
REFERENCE DRAWINGS
E 1730-17, PORT (LEFTHAND) OSDP IMPELLER
E 1730-18, STARBOARD (RIGHT HAND) OSDP IMPELLER
GOVERNMENT FURNISHED MATERIAL
Casting Patterns
CONTRACTOR FURNISHED MATERIAL
All
SPECIFICATIONS
Produce 4 each starboard (clockwise rotation when viewing impeller eye) OSDP impellers per drawing E1730-18. Produce 3 each port (counterclockwise rotation when viewing impeller eye) OSDP impellers per drawing E1730-17. The impellers are five bladed. The pattern is government furnished. The pattern shall be picked up and delivered at the Portland District Warehouse: 8010 NW ST Helens Rd, Portland, Oregon. The pattern shall be delivered with-in 30 days of acceptance of the finish piece. The impeller patterns shall be delivered undamaged and ready for its next use.
The material shall be as described in the drawing E1730-18 note 4. All dimensions shall be as shown on the drawing. Special care is needed to meet the 19.685-19.690 dimension on the back of the impeller, 59.60 - 59.86 outside diameter and the 12.7943-12.7963 bore.
The completed impeller shall be shipped with documentation from the contractor’s quality control assurance department attesting to material and dimensional conformance.
Drawing E1730-18 and E1730-17 are the referenced drawings. All drawing dimensions and notes are applicable.
The material is to be high chrome white cast iron with specific composition requirements as noted in the drawing. Chromium content of finished impellers shall be tested and be within range of 24.75%-27.00% by weight.
The impeller shall be balance as noted on the drawing.
The contractor shall include transportation of the finished impellers to the USACE District warehouse, Portland, OR. The warehouse Address is 8010 NW ST Helens Road, Portland, Oregon 97210. The warehouse receiving hours are 0700-1500 hours Monday through Friday, excluding Holidays. The contractor shall include transportation of the pattern from Portland, to foundry and back to Portland.
The finished casting shall be painted on all non-machined surfaces after machining.
Machined areas shall be preserved with a solvent soluble preservative. The finished casting shall be stenciled with the drawing number to be easily read from any angle. The onsite government inspection shall be completed before the impellers are painted.
Period of Performance: The impellers shall be delivered, FOB destination Portland Oregon within 120 calendar days of Contract award. Provide a minimum of 10 days for final government inspection in Portland.
INSPECTIONS
COE Representative. Give government inspectors 10 day notice to arrange onsite inspection.
The inspection of rough cast impller and the initial inspection of the finished impellers will be onsite, final inspection will be at the moorings in Portland, OR.
ATTACHMENTS
1) USACE Drawing E-1730-17
2) USACE Drawing E-1730-18
File details come from the government source that posted it. Updated .