Please note: This is a Sole Source Notification. Crom LLC DBA CROM Coatings and Restorations (“CCR”), CROM, LLC approves CCR as the sole company for any repairs and modifications performed on all of their prestressed composite tanks. CCR has unparalleled experience in the design, construction, modification and repair of prestressed composite tanks. The construction of prestressed composite tanks is a unique form of construction. The combination of materials and construction methods make the structures difficult to understand if not thoroughly knowledgeable in this technology. In order to properly address modifications, maintenance and repairs on prestressed tanks, the companies involved need to have considerable experience in how the tanks are designed and built. The warranty as stated by the tank manufacturer requires that they be notified before any work is performed. Any work performed is required to be done by an approved contractor. Any work performed by an unapproved contractor will void any written or implied warranties.