17_Attachment__6_Brand_Name_or_Equal_requirements.docx
DOCX document 21 KB Posted
- Attached to
- KV4A Transformer Federal contract opportunity
- Solicitation number
- DE-SOL-0011580
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Attachment 6 Brand Name or Equal Requirements
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| 08_REDACTED_Brand_Name_Determination_(2).pdf | ||
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| 17_Clauses_and_Provisions_Sol_DE-SOL-0011580.docx | DOCX document | |
| 17_Attachment__2_Wage_Determination_2015-5631_Rev_2_2017_01_03.pdf | ||
| 17_Attachment__5_Compliance_Documentation_Chart.docx | DOCX document | |
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Text version
BRAND NAME
(OR “EQUAL”)
| LOCATION IN SPECIFICATION |
| DESCRIPTION OF SALIENT PHYSICAL, FUNCTIONAL, OR PERFORMANCE CHARACTERISTICS OF THE BRAND NAME ITEM THAT AN “EQUAL” ITEM MUST MEET TO BE ACCEPTABLE |
| Messko MPreC series (or equal) |
| Attachment A, Part 1, paragraph 1.13 Pressure Relief Device on the Main Tank (and on the Tap-Changing Compartment Containing Oil) |
| -Weather resistant |
-Opens within 2ms and closes within 70 ms -Oil directed cover -Two switching contacts -Pressure range of 6 to 30 psi -No leakage -Reliable low noise signals -Switching contacts located within hood.
| Qualitrol Series 104-400 device or a Messko TRASY2 device (or equal) |
| Attachment A, Part 1, paragraph 1.13 Liquid Thermometer |
| -No readjustment or recalibration required over the lifetime of the device |
-Operates reliably even with vibrations or severe weather conditions -Automatic compensation of ambient temperature -Fully adjustable microswitches
| Qualitrol Model 909-300-01 or equal |
| Attachment A, Part 1, paragraph 1.13 Oil Pipe Connection Between Main Tank and Oil Expansion Tank with a Shutoff Valve and A Buchholz Relay |
| -Detects sudden pressure |
-Detects trapped gas in an upper chamber as gas rises in the oil from top of transformer tank on its way to conservator tank.
-Contains no mercury switches.
-Contact ratings suitable for use with auxiliary devices furnished.
-Integral flanges on each end for mounting relay between shut-off valves in oil line between conservator and main tank.
-Ability to manually actuate relay to test trip and alarm circuits without draining any oil from transformer and without introducing any air into oil system.
| Messko MTraB or equal |
| Attachment A, Part 1, paragraph 1.13 Weathertight Breather |
| -Maintenance free |
-Glass cylinders for weather resistance -Self learning system which adjusts the drying time depending on past operation -Self regulating heater element
| General Electric Company type EB27BO6S and Marathon Catalog No. 1506 SC (or equal) |
| Attachment A, Part 1, paragraph 1.14 Control Cabinets and Terminal Boxes |
| -Short circuiting type terminal blocks. |
-WAPA has used the GE type terminal blocks in the transformer control cabinets for the last 40 years.
Buchanan Catalog No. B112. Or General Electric Company Type EB25B12 (or equal).
| Attachment A, Part 1, paragraph 1.15 Terminal Blocks |
| -Salient characteristics are described in the specification paragraph. Brand name could be removed. WAPA has been using either of these terminal blocks on almost every transformer specification for the last forty years. These terminal block have become standardized throughout WAPA’s system. |
SOLICITATION DE-SOL-0011580 Page 2 of 2
ATTACHMENT 6 WESTERN TRANSFORMER BRAND NAME OR EQUAL SALIENT CHARACTERISTICS
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