Attch_1_-_Specifications.pdf

1.1 DESCRIPTION

A. Aeration Equipment located in the Wastewater Lagoons have outlived their useful life. The purpose of this contract is to replace the Aeration Equipment.

Current aerators to be replaced are the following:

1. Qty 4, 5 Horsepower, 3 phase, 230/460 volts, 1800 rpm Aqua-Aerobics Model SS Endura Series Aqua-Jet aerator

2. Qty 5, 2 Horsepower, 1 phase, 115/208-230 volts, 1800 rpm Aqua- Aerobics Model SS Endura Series Aqua-Jet aerator

3. Qty 3, 2 Horsepower, 3 phase, 230/460 volts, 1800 rpm Aqua-Aerobics Model SS Endura Series Aqua-Jet aerator

B. The scope of work for this contract consists of:

1. Supply Aeration Equipment.

2. Deliver or ship the equipment to Lake Mead National Recreation Area.

Address to be provided.

C. The Contractor shall provide all materials to be purchased described in this specification. All materials shall be new and Contractor-furnished from outside the park.

1.2 DELIVERY REQUIREMENTS

A. Deliver or ship the equipment to the following address:

Lake Mead National Recreational Area 101 Katzenbach Dr Boulder City, NV 89005

B. On or before 90 days after receipt of order.

C. Delivery costs should be accounted for in the unit prices of the quoted items.

Delivery costs should not be quoted as a separate item.

1.3 REQUIRED ITEMS

A. Purchase and deliver the listed items. No installation of the product will be required under this contract.

B. Examples of acceptable products for each line item are listed below:

CLIN Item description Qty Unit

5 Horsepower, 3 phase, 230/460 volts, 1800 rpm Aqua-Aerobics Model SS Endura Series Aqua-Jet aerator or approved equal

4 Each

2 Horsepower, 1 phase, 115/208-230 volts, 1800 rpm Aqua-Aerobics Model SS Endura Series Aqua- Jet aerator or approved equal

5 Each

2 Horsepower, 3 phase, 230/460 volts, 1800 rpm Aqua-Aerobics Model SS Endura Series Aqua-Jet aerator or approved equal

3 Each

C. Aerators shall be Aqua-Aerobics Model SS Endura Series Aqua-Jet aerator or approved equal.

1. Supply Aeration Equipment.

2. Deliver or ship the equipment to Lake Mead National Recreation Area.

Address to be provided.

D. The aerators should have the following characteristics:

1. Floats shall be stainless steel skin with closed cell polyurethane foam.

2. Aerator shall have attachment points on the outside for attachment of locator cables.

3. Propeller shall be cast stainless steel.

4. Exposed components shall be stainless steel.

5. Motor shaft shall be one-piece stainless steel.

6. Motor shall be TEFC (Totally Enclosed Fan Cooled). Motor and aerator parts shall be made of non-hygroscopic materials.

7. Equipment should provide aeration and dispersed spray pattern to promote evaporation in a sewage lagoon environment.

8. Equipment shall be resistant to the site conditions of a sewage lagoon.

E. For each "Substitution" or "Comparable Product" the Contractor submits as being "equal" to the product that has been specified, the Contractor shall submit supporting documentation that includes:

1. Detailed comparison of the characteristics of the proposed item with that specified.

2. Name, address, and telephone number of vendor.

3. Product data, including drawings, descriptions, fabrication, and samples as appropriate.