Site work for an industrial development in Dothan, Alabama. Completed plans call for site work for an industrial development.

25KVA & 37.5KVA Overhead Transformers These specifications apply to single-phase, 60 Hz, mineral oil-immersed, selfcooled, overhead conventional distribution transformers rated from 15 kVA through 100 kVA. High Voltage Insulation: Rated HV (Volts) BIL (kV) Insulation Class (kV) 2,400 60 5 7,620 95 15 14,400 125 18 2.02 Low Voltage Insulation: Rated LV (Volts) BIL (kV) Insulation Class (kV) 120/240 30 1.2 277 30 1.2 240/480 30 1.2 600 30 1.2 2,400 60 5 7,600 95 15 Transformer ratings are continuous and based on the following: o Maximum 65C average winding temperature rise. o Maximum 80C hot spot temperature rise. o Top oil temperature rise not to exceed 65C. Cover-mounted bushings shall be installed on a 15 kV-rated tank cover to prevent wildlife flashovers. Minimum transformer impedance shall be 1.6%. Dual voltage units must maintain the same BIL rating across all voltages, Units with secondary voltages above 600 V must use sheet-wound construction for both windings. Bushings & Terminals - Bushing characteristics Primary bushings shall be ANSI 70 light gray Two primary bushings shall conform to ANSI C57.12.31. Bushings shall be cover-mounted Secondary bushings - 25kVA single phase pole mount transformer 7620V to 240V/120V (New Only) - 37.5kVA single phase pole mount transformer 7620V to 240V/120V (New Only) Dothan Utilities 200 Kilgore Dr. Dothan, AL 36301. Question Deadline 12/04/2025 at 2:00 PM CT Thad Taylor, purchasing@dothan.org, (334) 615-3154 Post all questions online under clarifications for bid number 26-009, Answers will be posted online and emailed to you.