Specifications include, but are not limited to: 2.1 Contractor shall extend existing backstop, which is 118’ w x 26’ h with #18 Plateena Baseball Netting or a similar material of equivalent thickness, quality & expected life. Contractor shall submit descriptive literature for an alternate brand of netting prior to the question deadline. 2.1.1 MATERIAL: PLATEENA -Ultra high molecular weight polyethylene (UHMPE) (DSM’s Dyneema™ Fibers used) 2.1.2 MESH SIZE: 1 3/4" square (3-1/2” stretch mesh) 2.1.3 MESH DESIGN: twisted double knot for additional knot tightness and mesh stability (unique feature of GWRL Plateena) 2.1.4 TWINE DIAMETER: 1.65 mm approx... (Size #18) 2.1.5 COLOR: Black, special external PU treatment given to the Netting 2.1.6 WEIGHT: 1.7 LBS. PER 100 SQ FT. 2.1.7 KNOT BREAKING STRENGTH: 421 LBS. BREAKING 2.1.8 STRENGTH: 383 LBS. 2.1.9 COLD WEATHER RESISTANCE: 10% drop in elongation and 10% increase in Tensile strength at -60deg. Celsius 2.1.10 HOT WEATHER RESISTANCE: 20% drop in tensile strength and no loss in Elongation at 60deg. Celsius 2.1.11 SHRINKAGE & EXPANSION RATE: Boiling water shrinkage < 4% LIFE 2.1.12 EXPECTANCY: 2.1.12.1 Current data shows a tensile drop of no more than 20% in 4 years 2.1.12.2 40% (5 rating against 8 rating) black color fading observed after 1500 hrs( 4 years ) UV exposure cycle in QUV weathering testing machine 2.1.13 PERIMETER BORDER ROPE: 2.2.13.1 MATERIAL: PLATEENA -Ultra high molecular weight polyethylene (UHMPE) core with High tenacity Polyester jacket to give minimum stretch and maximum UV stability plus abrasion resistance 2.2.13.2 COLOR: Black 2.2.13.3 DIAMETER: ¼” or 5/16" 2.2.13.4 Breaking strength for ¼” Plateena Rope: 10000 LBS. 2.2.14 TWINE: 2.2.14.1 2.1 mm Plateena braided black twine with special PU treatment. Average Break Strength: 706 LBS 2.2 Install additional cabling and hardware to extend the existing backstop net, using #18 Plateena baseball netting. Contractor will develop an installation design, which expands the existing netting at the current height. The 3rd base side of the field will be extended from the outfield end of the dugout to the outfield wall terminating at a new pole outside of the stadium. The 1st base side of the field will be extended from the outfield end of the dugout to the end of the bleachers terminating at an existing pole. The design must be approved by the Cedar Rapids Kernels prior to installation. 2.3 Expansion and installation of the backstop net shall be completed by December 1, 2023
