When you drill your holes for the fiber, drill completely thru the melamine. When you run your fiber thru the hole let it extend 2 or so inches past. Then use tape to fix it in place underneath ur casting deck...in this case melamine. When u demold you concrete piece will look like a porcupine. It is easiest to place your formwork on top of something to elevate it so you can reach the underneath side.
Fishstone's Super-SIX-Admix™ is a proprietary blend of SIX different admixtures designed to achieve pinhole free, dense and strong concrete that will free flow in precast molds. Super SIX makes it easy to produce Ultra high performance concrete (UHPC), also known as Engineered Concrete Composition (ECC) and Reactive Powder Concrete (RPC). Super-SIX™ is a non-hazardous material utilizing the newest and most advanced technologies.