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11312 Submersible Wastewater Pumps and Accessories with a maximum vertical deflection of 1/2 an inch. Risers shall be at least 12 inches high, shall have a minimum nominal diameter of 24 inches for simplex pumping applications or 30 inches when used in a duplex pumping application and shall be factory-equipped with the following: a. Electrical and Discharge Grommets: When applicable, Orenco Systems®, Inc. EPDM grommets shall be installed by the manufacturer for discharge piping,vent piping, and/or the electrical conduit to assure a watertight seal. The manufacturer of the access risers shall install the grommets at the factory. b. Adhesive: When bonding to concrete or fiberglass grooves, a two-part adhesive, one pint required per 18" or 24" diameter riser and one quart required per 30" diameter riser, Model ADHP10 or ADHQ10, or approved equal shall be used. When bonding to a flanged riser tank adapter, either a two-part adhesive, Model MA320 or approved equal, or a single component adhesive Model ADH 100 or approved equal shall be used. 4. Riser-To-Tank Attachment: Risers shall be attached to tanks with one of the following attachment systems, or approved equal: (1) Orenco Systems®, Inc. Model RUBDKIT attachment kit; (2) Orenco Systems, Inc. Model PRTA24 tank adapter used with Model PRTA24BDKIT bolt down kit, and Model ADH100 and/or MA320 adhesives; (3) Orenco Systems, Inc. Model RRFTA tank adapter used with Model RRFTABDKIT bolt down kit and Model ADHP 10 adhesive; (4) Orenco Systems, Inc. Model PRTA30 tank adapter used with Model PRTA30BDKIT bolt down kit and Model ADH 100 and/or MA320 adhesives. All attachment components shall be constructed of waterproof, non-corrosive materials, such as PVC, ABS, fiberglass, or stainless steel. Adhesives and sealants shall be waterproof, corrosion resistant and approved for the intended application. The riser-to-tank connection shall be watertight and structurally sound. The riser-to-tank connection shall be capable of withstanding a vertical uplift of 5000 pounds to prevent riser separation due to tank settlement, frost heave, or accidental vehicle traffic over the tank. 5. Lids: One lid shall be furnished with each access riser. Lids shall be Orenco Systems®, Inc. Model FL24G-4BU or FL30G or engineer-approved equal, as appropriate, fiberglass with green non-skid finish, and provided with stainless steel bolts, and wrench. Manufacturer shall provide evidence that lids have been used successfully in continuous field service for a minimum of five years to demonstrate long-term integrity and suitability for the application. Lids shall be waterproof, corrosion resistant and UV resistant. Lids shall be flat, with no noticeable upward dome. A crown or dome of no more than 1/8" is allowable. Lids shall not allow water to pond on them. Lids shall have a green non-skid finish. Self-lubricating plastics, such as polyethylene, shall not be considered non-skid without addition of a non-skid coating. Lids shall form a watertight seal with the top of riser. Lids shall be capable of withstanding a truck wheel load (54 square inches) of 2500 pounds for 60 minutes with a maximum vertical deflection of 3/4 of an inch. Lids shall be provided with tamper-resistant stainless steel fasteners and a tool for fastener removal. Tamper- resistant fasteners include recessed drives, such as hex, Torx, and square. Fasteners that can be removed with common screwdrivers, such as slotted and Phillips, or Micke Grove Zoo Wash Water and Septic Disposal System 11312-4 Siegfried Engineering, Inc. MESA Project LOCA 0701