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C . Guarantee : All sodded areas shall be guaranteed for three months after date of final acceptance . Replacement of Defective Sod : Any dead sod or sod showing ( less than 95 % of a square ) indication of probable non survival or lack of health and vigor, or which do not exhibit the characteristics to meet specifications , shall be replaced within two weeks of notice from Owner or Engineer. All replacement sod shall be furnished/installed at no additional cost to the Owner and shall be guaranteed for three months . All replacement shall meet original specifications . 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 (respectively) of ( 1 ) total nitrogen, (2) available phosphoric acid and ( 3 ) water- soluble potash contained in the fertilizer. The chemical designation of the fertilizer shall be 16 -4- 8 . Fertilizer shall include iron , minor nutrients and trace elements . At least 50 percent of the nitrogen shall be derived from organic sources . At least 50 percent of the phosphoric acid shall be from normal super phosphate or an equivalent source which will provide a minimum of two units of sulfur. The amount of sulfur shall be indicated on the quantitative analysis card attached to each bag or other container. Contractor shall ensure 1 pound of nitrogen per 1 , 000 square feet . 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. FAPublic Works\Capital Projects\CR 512 & Oslo- Milling, Resurfacing and Shoulder Paving\Bid Document5 . 18 .04 . doc Page 26 of 58