Document: NUREG-0800
Document ID: 4cf3fa16-4c16-442f-9f37-a4f430fc022d
Document Type: srp
Title: EMERGENCY DIESEL ENGINE COMBUSTION AIR INTAKE AND EXHAUST SYSTEM
Source: NUREG-0800
Source URL: https://www.nrc.gov/docs/ML0523/ML052350043.pdf
Revision Date: 2023-06
Chapter: 9
Section ID: 9.5.8
CFR Part: 
CFR Title: 

Content:
engine air starting system to meet independence and redundancy criteria. Acceptance is based on meeting the following specific criteria: a. Regulatory Guide 1.9 as related to the design of the diesel engine combustion air intake and exhaust systems. b. Branch Technical Position ICSB-17 (PSB) as related to diesel engine combustion air intake and exhaust systems' protective interlocks dur- ing'accident conditions. c. NUREG/CR-0660, "Enhancement of Onsite Emergency Diesel Generator Reliability." d. IEEE Standard 387 as related to the design of the diesel engine com- bustion air intake and exhaust system. e. Diesel Engine Manufacturers Association (DEMA) Standard as related to the design of the diesel combustion air intake and exhaust system. f. Each emergency diesel engine should be provided with an independent and reliable combustion air intake and exhaust system. The system should be sized and physically arranged such that no degradation of engine function will be experienced when the diesel generator set is required to operate continuously at the maximum rated power output. g. The combustion air intake system shall be provided with a means of reducing airborne particulate material over the entire time period that emergency power is required assuming the maximum airborne par- ticulate concentration at the combustion air intake. h. Suitable design precautions have been taken to preclude degradation of the diesel engine power output due to exhaust gases and other dilutents that could reduce the oxygen content below acceptable levels. III. REVIEW PROCEDURES ie procedures below are used during the construction permit (CP) review to determine that the design criteria and bases and the preliminary design as set forth in the preliminary safety analysis report meet the acceptance criteria 9.5.8-3 Rev. 2 - July 1981 given in subsection II of this SRP section. For the review of operating license (OL) applications, the procedures are utilized to verify that the initial design