Specifications include, but are not limited to: 1. Aquatic weed populations (floating and submerged) and algae population shall be kept at a level whereas their presence is not detectable by an un-aided observation. 2. Service level for Lake Water Maintenance shall be no less than bi-weekly (every two weeks). Additional service may be required if aquatic weed population exceeds acceptable levels or excessive debris buildup occurs on the east end of lake surface and/or bed. Historically, bi-weekly lake service has provided the expected results. Service during the winter months (December - February) may be reduced to once per month if not detrimental to lake appearance and/or health. 3. Contractor shall remove debris (paper products, bottles, cans) from the lake surface at every servicing. Contractor may utilize small trolling motorized vessel to access debris out of reach of the shoreline (e.g., aluminum-boat). Debris may be disposed of in an on-site dumpster designated by Project Manager. 4. Contractor shall provide Project Manager a written report that details: date of service, time of service, technician performing services, services performed, chemicals applied, and amount of chemicals applied. The District will provide the Contractor a “Lake Inspection Form”. The Lake Inspection Form shall be turned in after each service. 5. Contractor shall notify Project Manager immediately if an urgent condition is observed that jeopardizes the health and/or appearance of the lake. 6. Historically aquatic weed control has been achieved by the application of shading chemicals and biological controls. In bid, specify proposed chemicals to be added. Materials, timing, rate of application and application shall be applied or supervised by a State of California licensed Qualified Applicator. Contractor is also responsible for submitting monthly usage reports to the Sacramento County Agricultural Commissioner’s Office and to the District. 7. Contractor to provide District with Safety Data Sheets (SDS) for all chemicals prior to use. 8. Contractor may utilize aquatic herbicides and algaecides to prevent and eradicate a potentially detrimental aquatic weed outbreak. All options must be safe for immediate irrigation, swimming, fishing, and other lake water activities. 9. Contractor shall schedule service to assure that the lake is clear of visible aquatic weeds and debris during the Strauss Festival in July and Giant Pumpkin Festival in October.
