Aluminum Sulfate Solution Addendum 11-01-2023 final (2).pdf
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- Attached to
- ITB- Purchase of Hydrated Lime
- Solicitation number
- S-X34350-00008587
- Issued by
- Washington County, Oregon
About this file
This is a First Addendum to an Invitation to Bid issued by Clean Water Services, a water district located in Washington County and the City of Hillsboro, Oregon, on November 1, 2023, for the purchase of aluminum sulfate. The addendum modifies the original ITB dated October 27, 2023, by reducing the contract duration from twelve months through November 30, 2024, to eleven months through October 31, 2024. The document does not specify item quantities, site visits, or bidders' meetings, and no award date is provided in this addendum.
The addendum establishes a price adjustment mechanism for contract renewal scheduled for on or about October 15, 2024, with a new price effective November 1, 2024. The adjustment formula applies to seventy-five percent of the bid price, with sixty percent weighted to the United States Bureau of Labor Statistics Producer Price Index for Sulfuric Acid and forty percent to the Aluminum Compounds Index, measured from December 2023 through September 2024. The remaining twenty-five percent of the price remains fixed and unadjusted. Price adjustments are calculated to the hundredth of a percent without rounding, using indices data available on the date of the price change. No other modifications to the original ITB are made by this addendum.
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| File | Type | Posted |
|---|---|---|
| 2023 Advertisement Hydrated Lime ITB (3).pdf |
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Text version
AD08-18 First Addendum
FIRST ADDENDUM TO INVITATION TO BID
PURCHASE OF ALUMINUM SULFATE
CLEAN WATER SERVICES
ISSUED: NOVEMBER 1, 2023
Clean Water Services’ (District) Invitation to Bid for the Purchase of Aluminum Sulfate dated October 27, 2023 (ITB) is hereby amended as follows:
1. Contract Duration. District is changing the duration of the Contract. Delete all dates that refer to a twelve-month Contract through November 30, 2024 and replace with an 11-month Contract through October 31, 2024.
2. Delete Section 14 of Exhibit B of the Contract and replace it with the following:
“14. If the Contract is renewed, on or about October 15, 2024, the parties will establish a new 12-month price for the aluminum sulfate based on the percent change from December 2023 through September 2024 in the United States Bureau of Labor Statistics Producer Price Indices for Sulfuric Acid, ID No. WPU0613020Tl, and Aluminum Compounds, ID No. WPU06130209 (collectively, Indices). The new price shall go into effect on November 1, 2024. For purposes of these price adjustment calculations only 75% of the price will be adjusted. Of the 75%, 60% will be assigned to the Sulfuric Acid Index, and 40% will be assigned to Aluminum Compounds Index.
This adjustment will be applied to 75% of the price. This calculation plus 25% of the price will create the new price for the next 12-month period.
The adjustment formulation is as follows:
((price* .75) * price adjustment percentage)+ (price*.25) = new price for the next 12-month period
Example Calculation with Initial Bid Price of $100.00 per dry ton Index Calculations
Sulfuric Acid Index Value for December 2023: 179 Sulfuric Acid Index Value for September 2024: 187 So, ((187-179)/179= 0.0447 Price Adjustment Percentage Aluminum Compounds Index Value for December 2023: 143 Aluminum Compounds Index Value for September 2024: 149 So, ((149- 143)/143= 0.0419 Price Adjustment Percentage
Adjustment Calculations
$100.00 * .75 = $75.00, amount to be adjusted, $25.00 not to be adjusted Sulfuric Acid Portion .60 * $75.00 = $45.00, so, $45.00*1.0447 = $47.01
AD08-18 First Addendum
Aluminum Compounds Portion .40 * $75.00 = $30.00, so, $30.00 * 1.0419 = $31.26 Hence, $47.01 + $31.26 = $78.27, Adjusted Portion So, $78.27 + $25.00 = $103.27/dry ton, New Adjusted 12-Month Price
All price changes will be calculated up or down and will be calculated to the hundredth of a percent without rounding. Indices information will be limited to that which is available on the date of the price change, regardless of whether the Indices are subsequently revised.”
Except as modified in this Addendum, the ITB will remain in effect as originally written.
| FIRST ADDENDUM TO INVITATION TO BID |
| PURCHASE OF ALUMINUM SULFATE |
| ISSUED: NOVEMBER 1, 2023 |
File details come from the government source that posted it. Updated .