Protective clothing and equipment must be worn. A heavy-duty rubber apron,
rubber gloves, respirator, safety splash goggles and/or face shield are
required when potential exists for contact with wastewater or contaminated
surfaces. Wastewater and surfaces may be contaminated with pathogenic
microorganisms, bacteria or viruses, which present a risk of serious illness or
death to personnel. Refer to cleaning and sanitizing procedures in WP 0018
Do not enter the wastewater tank interior until it has been cleaned and
disinfected. Wear gloves and protective suit to prevent serious illness due to
contamination. Wear personnel protective clothing, hardhat, and breathing
mask. Post a second person outside the tank at all times during entry.
Contact the local safety office and obtain a confined space entry permit
before entering the holding tank.
Implement confined space procedures as defined in Occupational Safety and
Health Administration (OSHA) Standard 29 CFR 1910.146, when entering the
2. To replace the float level indicator linkage, proceed as follows:
a. Clean and sanitize the tank interior as described in WP 0018 00.
To prevent injuries from pinching be careful when moving the rear hatch
cover and float ball linkage. Keep hands away from hinge.
b. Ensure isolation valve is in open position and pressure gage reads.