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SECTION — 570 — PERFORMANCE TURF The work specified in this item shall conform to Section 570 of the Florida Department of Transportation Standard Specifications for Road and Bridge Construction ( 2010 ) . A . Description : Sod for the project shall be of the variety that is common to the area and of a variety approved by the Engineer . This work shall also include mowing in accordance with Section 104 - 7 . 2 , to be mowed at 6 " height with a mulching mower . B . Work Included : Scope of Work : The work specified in this section consists of the establishing of a stand of grass , within the project , right- of-way , easements , and other areas indicated on the Drawings , by furnishing and placing grass sod . Also included are fertilizing , watering and maintenance as required to assure a healthy stand of grass . Two applications of fertilizer will be required with the initial application being fertilizer and the second application being "weed and feed " . 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 . 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 ( 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 . 13 . F . Preparation of Ground : The area over which the sod is to be placed shall be 01025 -23 Technical Specifications F :\Public Works\ENGINEERING DIVISION PROJECTS\ 1136-6th Ave SW --Culvert Replacement N of 23rd St SW\Admim \Contract Documents\Technical Specifications . doc