Attachment 4a_Lolomai Project_ Caterpillar Generator_ATS_MTS_specifications.docx

This is a specifications document for a Caterpillar propane generator system required for the DSW Lolamai Point Generator installation project. The primary requirement is a 30 kW standby-rated Caterpillar propane generator package that meets UL2200 standards with an electronic control panel. The generator must be 120/240-volt, single-phase, 60 hertz operation at 1800 rpm, equipped with a 100-amp LSI main circuit breaker, battery charger, lead-acid batteries, and jacket water heater. The generator will be supplied without an enclosure and must include site testing, startup, and client training services.

The specification also includes two complementary electrical components: a 200-amp ASCO automatic transfer switch (ATS) configured as open transition, NEMA 1, 3-pole unit, and a 200-amp ASCO manual transfer switch (MTS) with camlocks in NEMA 1 configuration and NEMA 3R rating, also with open transition 3-pole configuration. This equipment package is part of a broader Western Area Power Administration (WAPA) Desert Southwest Region sources sought announcement seeking vendors capable of providing generator installation and transfer switch startup and testing services across multiple DSW microwave sites.