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additional cost to the Owner and shall be guaranteed for three months. All replacement shall meet original specifications. The Contractor shall notify the Owner and Engineer ten days prior to the end of the guarantee period and such guarantee shall be extended until notification is received. At the end of the guarantee period, all sod that is dead or in unsatisfactory growth shall be replaced within two weeks. D. Fertilizer: Commercial fertilizers shall comply with the state fertilizer laws. The numerical designations for fertilizer indicate the minimum percentages potash contained in the fertilizer. The chemical designation of the fertilizer shall be 1-6 1 8. Fertilizer shall include iron, sulfur. The amount of sulfur shall be indicated en the quantitative analysis card attached to each bag or other container. Contractor shall ensure 1 pound of nitrogen per 1,000 square feet. D. Fertilizer: Commercial fertilizers shall comply with the Indian River County Fertilizer Ordinance 2013-012 and Supplement Ordinance 2013-014 (see Appendix B.) E. Water for Grassing: Contractor shall provide the water used in the sodding operations as necessary to meet the requirements of Article 570-5 and 2.34.B. F. Preparation of Ground: The area over which the sod is to be placed shall be scarified or loosened to a depth and then raked smooth and free from debris. Where the soil is sufficiently loose and clean, the Owner, at his discretion, may authorize the elimination of ground preparation. G. Application of Fertilizer: Before applying fertilizer, the soil pH shall be brought to a range of 6.0 - 7.0. Contractor shall apply two (2) applications. The initial shall be fertilizer and the second application shall be "weed and feed". The fertilizer shall be spread uniformly over the sodded area at the rate of 436 pounds per acre, or 10 pounds per 1,000 square feet, by a spreading device capable of uniformly distributing the material at the specified rate. Contractor shall apply applications as per manufacturer's specification. All tickets from bags shall be handed over to the County Inspector. On steep slopes, where the use of a machine for spreading or mixing is not practicable, the fertilizer shall be spread by hand and raked in and thoroughly mixed with the soil to a depth of approximately 2 inches. H. Placing Sod: The sod shall be placed on the prepared surface, with edges in close contact and shall be firmly and smoothly embedded by Tight tamping with appropriate 01025-34 Technical Specifications F:\Public Works\ENGINEERING DIVISION PROJECTS\1137-0Id Dixie Hwy Resurfacing IRF North Relief Canal to 71st St'Admim Addendums\Technical Specifications ADDENDUM 1 07-31-2014.doc