25-REHABILITATION OF THE EAST ELEVATED STORAGE TANK

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Lead 5 mg/1 f. Generator: The OWNER of the tank is the generator for this project. The CONTRACTOR for the lead paint removal on the tank is a co-generator. g. Containment System: Includes the containment structure i.e., walls, floor, supporting structure and entryways used to surround the tank to control the dust and debris generated by the Contractor during lead paint removal. h. Ventilation System: Includes forced air input such as fans or blowers to circulate air inside containment structure and exhaust air filtration such as dust collectors to trap and filter air before it leaves the containment structure. 35.04 ABRASIVE BLASTING CONTROL REQUIREMENTS 4.1 The control requirements of TCEQ TACB Reg. 1 for coatings containing more than 10,000 ppm lead are the control requirements for removing the lead coating by abrasive operations. 4.2 Shrouded wet abrasive or hydroblast are the only methods approved for removal of the exterior coatings on this project. 4.3 Dry abrasive blasting of the interior coating is approved as long as no visible emissions to the atmosphere result from such cleaning. 35.05 CRITERIA FOR CONTAINMENT SYSTEM 1. The Contractor will design a containment system for the work area that is an SSPC Class 2A or better in accordance with above reference SSPC Guide 6 (CON). See Table at the end of this document. The containment will control environmental emissions according to the criteria listed in Section 35.06 of this specification and control the working environment within the containment according to the criteria listed in Section 35.07 of this specification. In the event of a conflict between SSPC Guide 6(CON) and this specification, the requirements of this specification will prevail. In addition to the containment structure, ground covers will be used beneath the containment to prevent contamination of the soil. The Class 2A Containment must have all of the following components: TS35-2 463