Purchase Description_Oil Cooler Fins.pdf

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Fabrication and Delivery of MU 12 Rotor Cooling Fins
Solicitation number
W9127N25Q0008
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About this file

This is a Statement of Work (SOW) for the fabrication and delivery of 256 rotor cooling fin assemblies for The Dalles Lock and Dam. The contractor must fabricate 128 top fin assemblies and 128 bottom fin assemblies, along with 256 locking tabs, according to drawing DDP-9-3-10/166.

The SOW specifies detailed material requirements including 3/16" thick ASTM A36 domestic steel plate for the fins, NP509 (NEMA G-9) woven glass fabric with melamine resin for blade attachments, and specific rivet and washer specifications. A First Article Test is required for both top and bottom fin assemblies before full production can begin. All assemblies must be coated with GLYPTAL 1201 in light blue tint with a minimum 10 mils thickness. The finished products must be protected, crated, and shipped to The Dalles Lock and Dam in Oregon, with packaging suitable for storage until needed.

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Other files

File Type Posted
Drawing DDP-9-3-10_166.pdf PDF
CombinedSynopsisSolicitation 25Q0008.pdf PDF

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Text version

Scope of Work for the Fabrica on and Delivery of MU 12 Rotor Cooling Fins

The Dalles Lock and Dam

1.0 Scope

The Dalles Dam requires a supply contract for the fabrica on and delivery of 256 total cooling fin assemblies. Contractor shall fabricate and assemble 128 total top fin assemblies and 128 total bo om fin assemblies, which includes a First Ar cle Test of both top and bo om fin assemblies. Contractor shall also supply 256 total locking tabs.

Contractor shall fabricate, assemble, and finish paint fin assemblies according to provided drawing number DDP-9-3-10/166.

2.0 Material Specifica ons / Fabrica on

a. Top and Bo om cooling fins shall be made from 3/16” thick ASTM A36 domes c steel plate.

b. Blade (fin a achment) material NP509 (NEMA G-9) consist of woven glass fabric combined with a melamine resin system. NP509 complies with the requirements of MIL- I-24768/1, Type GME, and MIL-l-24768/8, Type GMG.

c. Fin A achment Rivet, four each per fin. 3/16” X 1/2” Plain bu on head solid rivet, Head Height 0.180” - 0.196”, Head diameter 0.430”- 0.460”, ASME B18.1.1 The upset head of the rivet shall be peened to a minimum diameter of 0.250”.

d. Rivet washer, four each per fin, 3/16” X 0.562” OD, 0.049 nominal thickness low carbon plain finish steel USS general purpose washer.

e. Locking tab material shall be 16 gauge Hot Rolled steel Per ASTM A569 standards.

2.1 Fabrica on

a. Fins shall be bent with 1” inside radius to the degree and tolerance as shown on the Drawing DDP-9-3-10/166.

b. If burning the geometry of the fin on a CNC, the entry and exit for the hole adjacent to the bend will require a 6 o’clock entry and exit. The hole adjacent to the bend shall be flat within 1/32” at the 12 o’clock posi on, Post forming of the material.

c. First Ar cle Test: The Contractor shall deliver a First Ar cle of both the top and bo om fin assembly with locking tabs. The Contractor shall ship the First Ar cle to The Dalles Dam per the delivery and invoicing instruc ons outlined in the solicita on. The Government will inspect both top and bo om fin assembly of the First Ar cle for compliance with Drawing DDP-9-3-10/166. The Government will issue results of the inspec on to the Contractor.

1. The Contractor shall not manufacture any addi onal quan es un l the Government’s First Ar cle Test is approved and a wri en no fica on from the Contrac ng Officer is issued.

2. Refer to FAR 52.209-4 included in this solicita on for all other terms and condi ons concerning the First Ar cle Test.

3.0 Finishing Detail

a. Complete top and bo om cooling fin assembly shall be coated with GLYPTAL 1201 in light blue nt. Follow GYPTAL guidelines for prepara on and applica on process. The final dry applica on shall be no less than 10 mils thickness.

b. Locking tab shall be coated with GLYPTAL 1201 in light blue nt. Follow GYPTAL guidelines for prepara on and applica on process. The final dry applica on shall be no less than 10 mils thickness.

4.0 Packaging and Delivery

Fin assemblies shall be protected, crated, and shipped in a manner that prevents damaging and scratching. Top and bo om assemblies shall be packaged in a way to iden fy between top and bo om. Packaging shall also be able to be used as storage crate un l fins are needed.

Deliveries shall be made to the following address:

The Dalles Lock and Dam Interstate-84 Exit 88 The Dalles, OR 97058

File details come from the government source that posted it. Updated .