HVAC compliance memo, Mayor's Office of Emergency Management, Apr 1998

NYC 9/11 Public Portal Document

Review of the Mayor's Office Emergency Management Final Submittal

6 M-4.01 • Please correct the cooling loads' typographical error for AC-1 thru 3. • Complete ventilation index. • Will the motor for the exhaust fan EF-5 need to be explosion proof? 7 Section Paragraph 1.4: Identify shut off valves VI thru 4 on the drawings. Where 15110 the butterfly and check valves are being used?. 8 Section Paragraph 1.4: The abbreviation of fusible link dampers (FED) do not 15120 correlate with drawings (ALP).__________________________________ 9 Section • Verify paragraph 1.1 item F. 15150 • Edit paragraph 1.2 item A.

Fire protection 1 FPl.Ol Please verify the need to provide fire protection for the 6000 Gal Fuel Oil Tank in accordance with NYS code, Subchapter B, Part 1002.7.___________ 2 FP2.07 Verify the need to provide thermal detectors in the emergency diesel generators room to close off the Fresh Air Intake and exhaust in case of fire. 3 FP3.23 1. Is there a need for a preaction sprinkler system for the A/V room? 2. Verify the need to provide sprinklers head in the electrical closet adjacent to elevator shaft PE-18 and stairway. This room contains a 112.5KVA transformer. 3. Verify the distances between sprinklers in the Mechanical Room and the watch command areas. 4. Verify the need of the inspector's test connection at the end of the sprinkler system. 5. Show the drain lines for the preaction systems.______________________ 4 What measure of fire protection is provided for the radio room on the roof?

__________________________ PLUMBING_______________________ 1 P2.07 & What provision is made to minimize disruption to tenants when the cold P3.23 water riser will be installed or when the drain lines will be run below their suspended ceilings. 2 P3.23 Indicate the location of the backflow preventer for the two cooling towers. 3 Section Where do you use a submersible pump? If that is the sump pump for the 15445 tank room what size reservoir is required.

Electrical 1 General • Indicate the motor horsepower for each motor symbol. • Are meters required? • Complete the riser diagram: indicate the loads being served from each panel and the size of the breakers. • Indicate the transformers' type of connection and voltages as well as their primary switches and fuses. • Can the oil fill pump, the water tank fill pump and the exhaust fan EF-5 on the Ist floor, be activated from the dual electric power supply. • Show the automatic power transfer distribution to the existing pneumatics controls and to the Air Handling unit serving the 23rd floor. • Show circuit breakers panel schedule.

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