Renovation of a power facility in Akiachak, Alaska. Completed plans call for the renovation of a power facility.

Renovation of an existing powerhouse, including installation of engine generators, radiators, coolers, and associated equipment. The Engineer's Estimate is between $1,000,000 and $2,000,000 Description - This EPA and State appropriation funded contract is for the replacement of diesel engine-generators and related improvements to the existing diesel power plant in the community of Akiachak, Alaska, as described herein and shown in the Drawings. The Contractor shall furnish all labor, materials, supervision, equipment, tools, transportation, quality control, and supplies required to complete the work. *The value for this project is based on a financial range. The value is listed as the highest possible cost from the range provided by a stakeholder or official project document. A. Remove three existing diesel engine-generator sets (gensets) and associated mechanical and electrical systems as indicated in the Drawings. Take care to avoid damage to existing systems not being demolished and to equipment being salvaged. B. Render two existing engine blocks taken out of service unusable by cutting a minimum 3"x3" hole in engine crank case. Fill out a certificate of destruction for each engine and include photographic documentation of the hole and the associated engine nameplate. Note that one of the existing engine blocks taken out of service does not require a certificate of destruction. C. Demolish two existing charge air coolers and other mechanical and electrical items in the plant as indicated in the Drawings. D. Install three new Owner Furnished diesel engine powered gensets. Provide all ancillary equipment and mechanical and electrical connections as indicated in the Drawings. E. Install two new Owner Furnished charge air coolers. Provide all ancillary equipment and mechanical and electrical connections as indicated in the Drawings. F. Modify existing and install new mechanical and electrical systems in the plant as indicated in the Drawings. G. Make limited changes to the existing switchgear as indicated in the Drawings. H. Upon substantial completion acceptance, the Authority will functionally test and commission the system. The Contractor shall support the Authority during testing. Support shall include but not limited to: 1. Provide technicians on site who are familiar with the mechanical and electrical systems to assist with testing and to make corrections to any deficiencies found in the Work. I. Tasks performed by the Authority will include but not be limited to: 1. A complete functional test of the new gensets and associated controls including manual start/stop and safety shut downs. 2. Functional test of all associated systems. 3. Demonstration of system functions and operations to local power plant operators. J. Upon completion of commissioning clean up the jobsite, remove and dispose of al trash and debris, turn over all salvaged materials to the Owner as indicated in the Drawings, and remove all Contractor tools and equipment from the project site. ADDITIVE ALTERNATE #1 (GEN #1 REPLACEMENT) DESCRIPTION OF WORK A. Remove one existing diesel engine-generator set (genset) and associated mechanical and electrical systems as indicated in the Drawings. Take care to avoid damage to existing systems not being demolished and to equipment being salvaged. Note that this engine block does not require a certificate of destruction. B. Demolish other mechanical and electrical items in the plant as indicated in the Drawings. C. Install new Owner Furnished diesel engine powered genset. Provide all ancillary equipment and mechanical and electrical connections as indicated in the Drawings. D. Modify existing and install new mechanical and electrical systems in the plant as indicated in the Drawings. E. Make limited changes to the existing switchgear as indicated in the Drawings. F. Support the Authority during testing ADDITIVE ALTERNATE #2 (RADIATOR REPLACEMENT) DESCRIPTION OF WORK A. Demolish two existing glycol radiators and associated piping and electrical as indicated in the Drawings. B. Install two new Owner Furnished glycol radiators. Provide all ancillary equipment as indicated in the Drawings. C. Modify existing piping and electrical as indicated in the Drawings. ADDITIVE ALTERNATE #3 (VFD REPLACEMENT) DESCRIPTION OF WORK A. Demolish seven existing variable frequency drives (VFD) and associated controls and wiring as indicated in the Drawings. B. Provide seven new variable frequency drives (VFD) and associated controls and wiring as indicated in the Drawings. C. Program, test, and commission all variable frequency drives. ADDITIVE ALTERNATE #4 (FIRE DETECTION & ALARM) DESCRIPTION OF WORK A. Demolish existing fire alarm panel and devices as indicated in the Drawings. B. Provide new fire alarm panel and devices as indicated in the Drawings. C. Provide new wiring and raceways as required and indicated in the Drawings. D. Program, test, and commission the fire detection and alarm system. E. Train local power plant operators on system operation and maintenance. ADDITIVE ALTERNATE #5 (FIRE SUPPRESSION) DESCRIPTION OF WORK A. Provide new water mist fire suppression system as indicated in the Drawings. B. Provide new wiring and raceways as required and indicated in the Drawings. C. Program, test, and commission the fire suppression system. D. Train local power plant operators on system operation and maintenance.