ATTACHMENT B Quicklime.pdf

ATTACHMENT B: Pulverized High Calcium Quicklime

SPECIFICATIONS

Intended Use and General Description:

1. The City of Redmond Wastewater Division uses approximately one hundred eighty tons (180 TN) of High Calcium Quicklime annually for lime stabilization of Bio solids.

2. High Calcium Quicklime is purchased and delivered to a designated 1500 cubic foot bulk lime silo located at the City of Redmond Water Pollution Control Facility (WPCF) in approximate quantities of thirty-four tons (34 TN) per delivery.

3. The estimated Quicklime quantity required/usage is summarized in the table below. These quantity estimates are not guaranteed and there shall be no minimum or maximum yearly purchase obligation.

They are used for evaluating bidder’s ability to meet chemical demands and price estimates. Contracts for delivered product may be divided between up to (2) suppliers or awarded to a single contractor at 100% based on the responses to this ITB.

QUANTITY OF HIGH CALCIUM QUICKLIME

ANNUAL TOTAL USAGE RANGE 230-240 tons DAILY USAGE RANGE 1,533-1,600 lbs. approx.

Specifications:

QUALITY: The High Calcium Quicklime delivered shall meet or exceed applicable provisions of the American Water Works Association Standard for Quicklime and Hydrated Lime (AWWA B202-13 and all subsequent revisions or corrections). City of Redmond WPCF may require an affidavit of compliance with all applicable requirements of the standard. Failure to provide such affidavit within a reasonable time of the request shall be cause for rejection of the bid or termination of the supply contract. The proposal should also include a safety data sheet (SDS) and the most recent representative chemical and sieve analysis report of the Quicklime to be supplied, as prepared by a reputable outside laboratory or bidder’s in- house laboratory if ISO-certified. These sheets should be representative of the chemical used for the completed cost response page.

PHYSICAL REQUIREMENTS & GRADATION: The Quicklime shall be “0.00 - 0.160 mm” gradation and shall be suitable for handling by pneumatic conveying and dry feed equipment. Quicklime shall be pulverized and screened so that none shall be retained on a No. 30 US standard sieve, and no more than 5 percent shall be retained on a No. 100 US standard sieve on shipment. Finished product containing fly ash or other by-products from the lime kiln tailings shall not be acceptable.

CHEMICAL REQUIREMENTS:

1. The Quicklime supplied shall: be freshly burned, highly reactive, and substantially free from carbonate solids and siliceous residue.

2. Calcium Oxide (CaO) & Silica (SiO2) content: The Quicklime shall be 95% CaO as a minimum and shall contain no more than .9% SiO2 in composition. Available CaO content shall be determined by the rapid sugar method as specified in Section 5.3.2 of AWWA B202-13. Bidder shall report the minimum CaO and maximum SiO2 percentage that will be guaranteed for delivered product under this contract.

3. Slaking Rate: The minimum temperature rise, after three minutes or less of slaking, shall be 56 degree C and the reaction shall be completed within three minutes. Reaction completeness shall be defined in Accordance with AWWA B202-13.

4. Insoluble Material: No more than 5% (by weight) of the Quicklime supply shall be insoluble matter when tested in accordance with Section 5.5 of AWWA B202-13.

5. General Impurities: The Quicklime supplied under this specification shall contain no soluble matter or organic substances in quantities capable of producing deleterious or injurious effects to public health or water quality that has been treated properly with the Quicklime product. The Quicklime shall not contain any foreign matter that may damage City of Redmond WPCF’s equipment or facility.

Other Conditions:

PRODUCT ACCEPTANCE:

1. All bulk shipments must contain the following at the time of delivery:

a. A shipping manifest and markings identifying the product, grade, net weight, brand name, and name and address of the manufacturer.

b. A weight ticket from a certified weigh station; and

c. A certificate of product analysis certifying that the Quicklime shipment meets or exceeds the minimum specifications outlined herein, stating CaO, SiO2, and unslaked residue content along with slaking rate.

2. City of Redmond WPCF reserves the right to reject any load, at no cost to City of Redmond WPCF, if any of the above items are missing at the time of delivery or if the load does not meet the minimum physical or chemical requirement of this contract specification. City of Redmond WPCF reserves the right to have any load tested by an independent laboratory prior to unloading into the storage silo without being charged for demurrage if testing duration does not exceed 1 hour.

3. The Supplier shall provide a replacement delivery truck and product within 24 hours after receiving notification that the bulk shipment is unacceptable. Notice of nonconformance shall be in accordance with Section 5.6 of AWWA B202-13.

DELIVERIES:

1. Supplier shall provide City of Redmond WPCF with a contact name and phone number for ordering, and an emergency phone number for 24-hour service.

2. Quicklime shall be delivered to a designated 1500 cubic foot lime storage silo located at 3100 NW 19th St Redmond OR 97756 in approximately thirty-four (34) tons dry bulk truckload with a truck equipped with pneumatic unloading system to ensure that additional City of Redmond WPCF time is not spent receiving deliveries. Proposal prices should be based on deliveries of this size or larger. Delivery trucks must be confirmed as dedicated for delivering quicklime via a letter from the Supplier OR each delivery of quicklime must be accompanied by a certificate indicating the delivery truck was washed thoroughly before filled with quicklime to be delivered to City of Redmond WPCF. The body of delivery truck shall be designed to prevent leakage in transit and shall give protection against precipitation, condensation, contamination, and corrosion. All delivering trucks must conform to all Federal and State specifications.

3. Pulverized quicklime shall be pneumatically unloaded from the bulk transport truck using a hose connection to a 4-inch bronze camlock adapter mounted on the fill pipe at the truck unloading station.

The Suppler shall provide all necessary connectors and hoses required to offload the Quicklime shipment via the 4-inch camlock adapter. The pneumatic unloading system shall not exceed the air handling capacity of the lime silo’s dust collection system. The Supplier shall assure that the delivery truck and offloading system are compatible with City of Redmond WPCF’s lime handling system through site visit and inspection.

4. Quicklime must be delivered on the date requested by City of Redmond WPCF Staff (normally Monday through Friday) unless immediate deliveries are required by City of Redmond WPCF. If immediate deliveries are required, shipments shall be delivered within three (3) business days of receipt of the order unless directed to deliver later by City of Redmond WPCF Staff. Deliveries shall be started at 7 am at the earliest and unloading shall be finished by 2 pm unless an alternate delivery time is approved in advance by City of Redmond WPCF Staff. The proposal should indicate if the 7 am to 2 pm delivery window will cause any issues. Conditions may arise which require emergency deliveries including holidays, weekends, and night hours within twenty-four (24) hours after notification. Unless approved by City of Redmond WPCF in advance, no delivery can be made if a City of Redmond WPCF representative is not on site.

5. Suppliers that intend to utilize the services of a third-party hauling company for some or all their deliveries are responsible for ensuring that the hauler they have selected can and will deliver their product to City of Redmond WPCF. Failure to provide this assurance and submit an affidavit may be cause for the proposal being rejected.

6. The supplier must notify City of Redmond WPCF of any anticipated late deliveries at least 24 hours in advance of the scheduled delivery time and date unless delivery delays are the result of in-route transportation delays. Delivery times and dates must be coordinated between the successful Bidder and City of Redmond WPCF on a schedule that meets the needs of City of Redmond WPCF but at no time can a delivery occur more than two (2) days after the requested delivery date unless City of Redmond WPCF requests a later delivery. Persistent late deliveries may be used as a basis for contract cancellation.

SPILLAGE & UNAUTHORIZED DISCHARGES:

1. The Quicklime shall be delivered free of spillage and in clean condition. The Supplier must be prepared to provide safety training on the safe handling and use of the chemical and emergency procedures in the event of a leak or spill. Should a chemical spill or leak result due to negligence, faulty equipment, or inferior packaging on the part of the Supplier or their agents, the Supplier and their agents must be responsible for cleaning the spill or leakage and for bearing the cost incurred due to spill or leakage clean- up. It must be the Suppliers responsibility to effect immediate containment, clean-up, disposal, and restoration activities in accordance with the individual Facility’s requirements and all applicable laws and regulations. All material associated with such clean-up operations must be hauled away and lawfully disposed of at no charge to City of Redmond WPCF. The property of City of Redmond WPCF where the delivery is being made must not be used for such disposal. If the spill is NOT cleaned up, City of Redmond WPCF will hire a certified hazardous material handling company to clean up the spill, and the costs incurred, including any fines or penalties which may be imposed by regulating authorities, will be charged to the Supplier. Chemicals must stay in the possession of the Suppler and must not be unloaded until accepted by City of Redmond WPCF. All chemicals must be delivered in accordance with Department of Transportation regulations. Any regulatory agency fines or penalties due to Supplier spillage will be the responsibility of the Supplier.

2. Supplier shall provide a Spill Response Plan that shall include, but not limited to:

a. Spill containment provisions.

b. Spill response team and notification list; and

c. Product SDS information that prescribes necessary personal protective equipment (PPE) requirements for safe handling.

SAFETY REQUIREMENTS: The Supplier, their employees, subcontractors, and/or agents must conform to the rules and regulations pertaining to safety established by Oregon OSHA, and they must adhere to all State, Federal and Occupational Safety and Health Act (OSHA) safety standards.

REFERENCES: The Supplier must submit with the proposal a list of a minimum of three references that have purchased similar chemicals and services from the Supplier. The Supplier must provide the company or agency name, contact name, and telephone number for each reference. Due to the quantity City of Redmond WPCF is requesting, City of Redmond WPCF requests that the references are some of the higher quantity users of the chemical.

COMPETENCY OF SUPPLIERS: Before any contract is awarded, the Supplier may be required to furnish a complete statement of financial ability and experience in performing the proposed services. In accordance with the provisions of the Oregon Revised Statutes Title 52 and other regulations, the contractor must have and maintain current all necessary licenses or certificate.

EXHIBIT C – BID SCHEDULE

Pulverized High Calcium Quicklime

All costs for the purchase of High Calcium Quicklime must be included in the amount shown below on this Form, including all mill assessments, fees, excise taxes, transportation charges, testing, etc. Any exceptions to the cost must be noted under specific deviations on the agreements. Bidders should submit proposed costs in cost/dry ton delivered. If a Bidder cannot meet the 100% demand but can meet a percentage of the demand, this should be clearly shown in the table below or described in the proposal.

Item # Quantity Description Unit Price Extension

(Contracted for 100% of Material)

34 tons

High Calcium

Quicklime

/lb.

(Contracted for % of material)

% listed in item

High Calcium

Quicklime

Additional cost escalators if required delivery within 24 hours or required delivery on weekends.

Please summarize in this section or any additional cost escalators the contractor may expect necessary.

Name of Bidder: _______________________________________________________________________ (Person, Firm, or Corporation)

Signature: ______________________________________ Date: __________________ (Authorized Representative)

Title of Authorized Representative: ________________________________________________