JOB DESCRIPTION: Includes but is not limited to:(1) remove and replace linings (or coatings) on digester internal steel and concrete surfaces. (2) Electrical and instrumentation work required to replace or modify digester overflow temperature sensors for each digester. (3) Structural repair work on the underside (inside) of the Digester 12 cover. (4) Remove and install new digester insulated roofing system on Digester 10 and spot repair of roof insulation at specific digesters. (5) Install new Class 1 Division 2 wiring, panels, and controls equipment at the flares. (6) install HVAC system in the Dewatering Building. (7) area gas monitor sensors, and (8) other miscellaneous improvements in and around the digesters.   Estimated cost of this work is between $10M and $12M.  This project will require multiple trades and types of work; for example (note: this list is not all-inclusive): demolition, saw-cutting, concrete coring, fill, concrete, shotcrete, rebar, waterproofing, roofing, tank construction, painting, industrial coatings, structural steel, bolting, welding, mechanical, electrical, HVAC, pipeline, plumbing, crane equipment, gratings and railings, paving, and other required work and trades. For additional description and information, see Document 00 41 01 – Bid Form, Document 00 41 05 – Description of Bid Items, Section 01 11 00 – Summary of Work, and the remaining contract documents.  The contractor/subcontractor performing the electrical work for this contract is required to be a District pre-qualified electrical subcontractor. See Instructions to Bidders Article 6 for more information, and all other items or details not mentioned above that are required by typical construction or Standard Specifications.    

Subcontractors will be required to enter into our standard contract. No modifications to the contract are permitted.

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