YELLOWTAIL LOW VOLTAGE TRIP UNITS Solicitation ID/Procurement Identifier: 140R4021Q0078 Ultimate Completion Date: Mon Oct 25 17:00:00 GMT 2021
MOAKLEY FEDERAL COURTHOUSE, BOSTON, MA LOW VOLTAGE TRIPS Solicitation ID/Procurement Identifier: 47PB0018D0010 Ultimate Completion Date: Wed Mar 31 17:00:00 GMT 2021
USCG COMMCOM has a requirement to remove existing under voltage trip unit and install a new shunt trip device. FAR 52.237-1 -- Site Visit (Apr 1984). Offerors or quoters are urged and expected to inspect the site where services are to be performed and to satisfy themselves regarding all general and local conditions that may affect the cost of contract performance, to the extent that the information is reasonably obtainable.
InA1 - Trip Coil Monitor Trip Circuit #1 b. InA2 - Trip Coil Monitor Trip Circuit #2 c. InB1 - Low Gas Lockout Trip Circuit #1 d. InB2 - Low Gas Lockout Trip Circuit #2 e. InC1 - Low Gas Alarm f. InC2 - Loss of voltage Close Circuit g. InD1 - Motor trouble h. InD2 - Loss of voltage Motor Circuit i. InE1 - Loss of Voltage Heater Circuit j. InE2 - Additional alarm specific to individual manufacturer standard design k.
In addition to the installation of new UPS and SPDs, the scope of work also includes modifying the enclosed main circuit breaker Under Voltage (UV) trip device within selected Radiology and Surgical rooms. There are (13) pieces of equipment located in Level 1 Radiology Department and (3) pieces of equipment located on Level 3 Surgical Department that will be provided with new UPS power and/or SPD.
Diagram Number: 691C386H44Motor Voltage Range: 125 Vdc/acClose Control Voltage Range: 100-140 VdcClose Current 6.6 ATrip #1 Control Voltage Range: 70-140 VdcTrip #1 Current: 6.6 ATrip #2 Control Voltage Range: N.A.Trip #2 Current: N.A.Under voltage Trip Voltage: N.A.3.3 Testing:Breaker Testing Following all repairs and reconditioning, the circuit breakers shall be tested and certified by the manufacturer.
Determine negative sequence minimum trip level. 3. Determine maximum time delay. 4. Verify two points on the (I2)2t curve. 10. 47 Phase Sequence or Phase Balance Voltage Relay 1. Determine positive sequence voltage to close the normally open contact. 2. Determine positive sequence voltage to open the normally closed contact (undervoltage trip). 3. Verify negative sequence trip. 4.
