Specifications include, but are not limited to: i. DSH Boiler Descriptions: a. Nebraska D-Type Boilers #1 and #2 1. Johnson Noximatic Surface Combustion burner with flue gas recirculating (FGR). Burners are dual Fuel, Natural Gas and Amber 363 diesel. b. Cleaver Brooks Boiler #3 1. Model CEW 200 500 Serial Number-01101995. Equipped with Internal Combustion dual fuel burner with FGR. c. Combustion mixture adjustments and results limitations for all boilers shall be in accordance with South Coast Air Quality Management District (SCAQMD) Rule 1146. ii. Tune-ups: Quarterly a. Tuning shall occur in accordance with South Coast Air Quality Management District (SCAQMD) Rule 1146. Tune-ups shall include any necessary adjustments of actuators or linkages for successful results as SCAQMD requires. Tune-ups shall occur with natural gas and Amber 363 fuel oil. iii. Tube replacements for Nebraska Boilers Only: Contract Shall: a. Remove any external piping or appurtenances. Cut and remove the casing exposing the tube on Nebraska Boiler. Remove necessary insulation and refractory. b. Remove the tube from the steam and mud drums. c. Make needed preparation to the drums. d. Supply and install new tube and roll into the drums. e. Close drums and hydrostatically test boiler between 120-130psi. This shall be witnessed by designated DSH staff. f. Install new refractory and insulation around tube. Close and weld casing to original location and conditions. Replace all appurtenances. g. Reinsulated as needed. h. Test fire.