Grant Street Wastewater Treatment Facility - Executive Summary
1. EXECUTIVE SUMMARY 68.155 |
The City of Melbourne Utility Department (CMUD) operates the Grant Street Wastewater Treatment
Facility (GSWWTF) for the City of Melbourne, Florida (City).
1.1 Accidental Release Prevention And Emergency Response Policies (a)
The City GSWWTF accident prevention policy involves a unified approach that integrates
technologies, procedures and management practices. The City's prevention program compiles
with all applicable procedures of the U.S. Environmental Protection Agency (EPA) Risk
Management Program (RMP) 40 CFR -68, Prevention Program.
1.1.1 Management System (A)(1)
The City has a management system in place which oversees the implementation and on-going
use of the RMP elements. This program, along with other policies, eliminates and/or reduces
the likelihood of a chemical release at the
1.1.2 Prevention Program Level 3 (A)(2)
The City maintains policies, procedures and systems as part of their prevention program. The
program addresses each of the EPA Program Level 3 listed elements and the elements needed
to implement the RMP program. These are retained in the City's Document Control System (DCS).
1.2 The City's Stationary Source and Regulated Substance Handling.
The City employs fifteen (15) employees at the facility and in field operations. Chlorine is used
in the treatment process.
1.2.1 Site Description
The facility has covered chlorine storage. The chlorine distribution system is contained in a
process building. The boundaries of the chlorine system subject to the RMP regulation include
the bulk chlorine storage and control building and associated vent and exhaust systems.
Regulated Substance (b)(2)
Chlorine is the only regulated substance on site which exceeds the EPA 40 CFR-68 rule
1.3 Worst and Alternative Case Release Scenario's (c)
The worst and anternate scenario's were evaluated using EPA guidance.
1.3.1 Worst Case
The worst case scenario involves the total release of a one (1) ton container to the
1.3.2 Alternative Case (c)(2)
The alternative release scenarion involves the failure of the yoke assembly regulator
piping. The yoke assembly is the vacuum control system which is connected to the
container outlet valve.
1.4 Accidental Release Prevention Program (d)
The City's accidental release prevention program is based on OSHA's PSM and EPA's RMP
Level 3 prevention program. The PSM program has been in place and effect
ively used for
several years. It is part of the facility operating culture. There are two parts to the program.
The first is the general overall site program. The second part is the chlorine-specific actions
within the site program. The program is coordinated with the City's fire department.
1.4.1 General Accidental Release Prevention Program
Facility-wide, many elements of the prevention program are used for all operations.
1.4.2 Chlorine Specific Response Program
220.127.116.11 Chlorine- Specific Policies and Procedures
Chemical-specific prevention features at the facility include specific procedures for the
operation of the chlorine system.
18.104.22.168 Facility Design
The chlorine storage area andthe chlorine process building are equipped with ambient
ventilation and a fan ventilated control room respe
22.214.171.124 Equiptment Design
The facility has high and low pressure pipe systems.
1.5 Five Year Accident History
The City's GSWWTF had no reportable releleases of chlorine in the past five years
per EPA 40 CFR 67.42 (a)
1.6 Emergency Response Program (f)
Emergency response procedures are contained in the City's Emergency Response Plan (ERP).
The ERP is reviewed by the the Melbourne Fire Department, which coordinates with the Local
Emergency Planning Committee (LEPC) and HazMat Team #3, Melbourne, Florida.
1.6.1 Personnel (F)(1)
City employee's comprise the operations and emergency response teams.
1.7 Changes To Improve Safety
Recommended actions were identified during the internal safety tour audit. The recommended
actions have been evaluated by the City and inplemented as required.
The City c
ontinually reviews implemented and potential safety improvements for all of its operations.
Currently the City management team and process safety team are reviewing potential upgrades of
the chlorine operations to make the system even safer and minimize consequences in the event of