The work consists of turf treatment at the above areas as follows: (DPW will mark irrigation heads as necessary with three working days’ notice from the contractor) Item 1: (Cost per field) A. Hollow core aerate three times per year Core aeration with 3/4" tines, 4 inches deep, 6"X6" pattern, (worn areas aerated twice) Work to be performed by Toro 1298 or its equals in Redexim and/or John Deere. B. Slice seed once per year Slice/seed in two to three directions at 250 LB seed/acre, using a 60:40 mixture of improved varieties of perennial ryegrasses and Kentucky bluegrasses (80/20 sports field mix). Seed should be Blue Tag Certified Stock, Bio Seed, Work to be performed by Redexim 1575 Disc Slice Seeder or equals. Machine must be a disc seeder. C. Overseed once per year Overseed/broadcast seed on wear areas of each field at 200 LB seed/acre, using a 60:40 mixture of improved varieties of perennial ryegrasses and Kentucky bluegrasses D. Fertilize four times per year* Apply 19-19-19 starter fertilizer at 1 LB nitrogen per 1,000 square feet Apply fertilizer at 1.0 LB nitrogen/1,000 SF, 40% CRN (controlled release nitrogen) Apply fertilizer at 1.0 LB nitrogen/1,000 SF, with 50% CRN Apply fertilizer at 1.0 LB nitrogen, 2 LB potassium per 1,000 SF All products applied with a Vicon spreader E. Deep tine aeration once per year Deep-tine aerate entire field at 6-10" depth, 3/4" tines at 5" spacing, with a Soil Reliever, VertiDrain, or equivalent. Machine to be used are Redexim Vertidrain, Toro SR series, or Eqaul. F. One top dressing per year - Machine to be used are Dakota, Turfco CR, Toro or Equal. G. Soil test twice per year Obtain composite soil tests from each field. Submit samples for analysis to UMASS Soils Laboratory. Item 2: H. Grub Control unit price per square foot Fertilizer composition to be evaluated and adjusted based upon results of soil tests or at the direction of the Director of Public Works or his/her designee. Sand used should be USGA Spec 2mm sand (samples to be provided upon request). * All turf treatment to follow the Town of Andover IPM Plan. An example of the AHS IPM Plan is attached for reference.
