Tennis and Basketball Court Renovations

Specifications for Mathews Park Tennis Courts (3 courts) at 295 West Ave., Norwalk, CT. A. Site Preparation: 1) New, metal sleeves will be installed for portable net posts. 2) The existing fence fabric will be taken down and stored on site for re-installation. The fabric will be cut +/- 5” to accommodate for the new post tension concrete floor elevation and reinstalled. B. Post-Tension Concrete Slabs: 1) Form work will be installed around the entire perimeter of the tennis courts. 2) Two layers of 6 mil poly will be installed over the existing asphalt. The first layer will run in the north south direction and the second layer will run in east west direction. All joints will be taped. 3) Post-tensioning cables will be installed according to engineered design which will be shown on drawings submitted by the winning contractor. Cables to be 7 strand, ½” sheathed and greased cables, commercial grade with 50 mil plastic sheathing. 4) Double-rod #4 rebar will be installed on both sides of the anchors as shown on drawings to act as back up bars. 5) A 4.5” thick, 3000 psi concrete slab will be placed inside the formwork. Concrete mix will be a specially designed mix used for post tension slabs. Mix design will be part of the submittal package if awarded the project. 6) Forms will be stripped, and the post-tensioning cables will be stressed according to their specifications. First stress, 24 hours after completion of concrete pour. Second stress will be done after concrete reaches +/- 2300 psi (which will take +/- 7 days after the pour). Page 53 The total stress will be 33,000 lbs per linear inch in both directions. The design of this slab is based on a residual pre-stress force (psi) of 120 which is above PTI recommendations for sport courts on grade. 7) After final stress, Post-tension cable ends will be cut off inside the cone holes, exposed anchors and cables inside the cone holes will be first sprayed with a rubberized waterproof spray and then the cone holes will be filled with no-shrink grout (so edge of slab is flush and smooth). 8) The new concrete slab will be checked for flatness. Any low spots exceeding 1/8” in ten feet in any direction will be filled with 5000 psi epoxy concrete and brought to the proper elevation. C. Sport Surface: Prime Coating Sports Surface: 1) The entire concrete slab will be sealed, primed, and waterproofed with a breathable waterproof sealer Classic Turf Adhesive (CTA) and grip layer will be installed. 2) One (1) coat of Novasurface acrylic resurfacer, or similar, will be applied to the grip layer according to its specifications. 3) Two (2) coats of Novacrylic color, or similar, coat will be applied to the entire concrete surface according to its specifications. Finish color will be owner’s decision. 4) White playing lines will be applied with Novatex, or similar, line paint according to its specifications with 4” base lines for the tennis courts. D. Accessories: 1) New portable net posts, nets and center straps will be provided and installed.

Park/Playground, Renovation.

Division 11 -	Equipment, Play Field Equipment and Structures, Playground Equipment, Play Structures.
Division 31 -	Earthwork, Selective Clearing, Grading.
Division 32 -	Exterior Improvements, Athletic and Recreational Surfacing, Site Improvements, Fences and Gates, Planting.
Division 33 -	Utilities.