Oak-0000000801 - WRC Commerce Wastewater Treatment Plant Automatic Sampler

Scope of work 
GENERAL

1. The Oakland County Water Resources Commissioner (OCWRC) operates and maintains the Commerce Twp. Wastewater Treatment Plant (COT WWTP), which currently operates and maintains approximately 2MGD from the surrounding collection system. Prior to discharge back into the environment, the effluent water is sampled with an auto sampler within the WWTP.
    
2. OCWRC is seeking bids for an automatic, refrigerated sampler per the included specification requirements.
3. This solicitation includes the provision, delivery, and warranty of the specified product.
    
4. PROPOSAL/BID SUBMITTAL
    
5. Bidders shall submit their bid in the line item section of this soliciation The line items on the bid shall include the cost of the specified item provision and shipping/freight. Taxes shall not be included. A tax exemption form can be provided upon request.
6. Bidder shall ship the item to the address of the facility within operational hours.
    
7. Item shall come ready for immediate use. Item shall be installed by the Owner.
    
8. Bidders shall include a minimum of a one-year warranty on the specified product.
    
9. SPECIFICATIONS
    
10. Approved product is ISCO Model 5800 Package, including:
    1. Model 5800 Refrigerated Sampler.  Includes control panel, refrigeration unit, distributor arm and two pump tubes.
    2. Single bottle configuration.  Includes one polyethylene 5.5 Gallon (20.5 Liter) round bottle and two discharge tubes.  Bottle includes two caps - one solid cap for transport and one with a hole to properly route the discharge tube when sampling.
    3. Vinyl suction line with standard weighted polypropylene strainer (3/8 Inch I.D. x 25 ft.).  Includes tubing coupler.
        
11. Required specifications are as follows:
    1. Power Requirements:
       1. 115 VAC
       2. 60 Hz
    2. Operational Temperature Requirement:
       1. ​-20° to 120° F (-29° to 49° C)
12.  
     
13. 3. Material Requirement (refrigerator body):
       1. ​Linear low-density polyethylene
           
    4. Pump Requirements:
       1. Pump Tubing Life: Typically, 1,000,000 pump counts
       2. Maximum Suction Lift: 28 ft. (8.5 m)
       3. Typical Repeatability: ±5 mL or ± of the average volume in a seat, whichever is greater, at lifts up to 25 ft.
       4. Typical Line Velocity at Head Height of 3 ft/s at 3 ft of head height, 2.9 ft/s at 10 ft of head height, and 2.7 ft/s at 15 ft of head height
       5. Liquid Presence Detector: Non-wetted, non-conductive sensor detects when liquid sample reaches the pump to automatically compensate for changes in head heights.
           
    5. Control and Software Requirements:
       1. Enclosure Rating: NEMA 4X, 6 (IP67)
       2. Program Memory: Non-volatile ROM
       3. Flow Meter Signal Inputs: 5-to-15-volt DC pulse or 25 ms isolated contact closure for Teledyne ISCO flow meters, 4-20 mA input or non-Teledyne ISCO flow meters.
       4. Digital Alarms: 4 programmable outputs; 5V, 100 mA
       5. Number of composite samples: Programmable from 1 to 999 samples
       6. Sample Frequency: 1 minute to 99 hours 59 minutes in 1-minute increments 1 to 9,999 flow pulses
           
    6. Sampling Requirements:
       1. Constant time - constant volume
       2. Constant time - variable volume
       3. Variable time - constant volume
       4. Programmable Sample Volumes: 10 to 9,990 mL in 1 mL increments
       5. Sample Retries: If no sample is detected, up to 3 attempts
       6. Rinse Cycles: Automatic rinsing of suction line up to 3 rinses each
       7. Controller Diagnostics: Test for RAM, ROM, pump, display, and electric components
           
14. Engineering or product equivalents will not be accepted at this time.
15.  
16. Equipment shall be delivered during facility operating hours (7:00am to 3:00pm) at the following address:
     
17. Commerce Wastewater Treatment Plant
    649 Welch Road
    Walled Lake, MI 48390
     
18. Site contact will be provided upon award.
    
     
19.  
    
    
    *    Unit pricing shall include materials, assembly, shop work/time and appurtenances.
    ** Shipping/Freight shall include delivery and unloading. No installation required.