General Specifications for NRG COMPANY, INCORPORATED Rectangular Clarification Equipment Part 1 - General   Scope of Work  Shop Painting   Design Criteria  Power Supply   Experience Qualifications  Spare Parts   Bolts and Anchor Bolts  Service   Surface Preparation   Part 2 - Products   Fiberglass Flights "Click Here"   Collector Chain and Attachment Links   Wear Shoes   Filler Blocks   Collector Sprockets Alternate Idler Sprockets - Static Shaft System     Shafts   Bearings   Return Tracks   Wear Strips   Drive Unit   Drive Chain