Page 167 - policy and procedure infection control

Policies and Procedures on Infection Control

Step Four : Required Infection Control Precautions by Class

During Construction Project Upon Completion of Project

Class I Execute work by methods to minimize raising dust. Clean work area upon
completion of task.
Immediately replace a ceiling board displaced
for visual inspection.
Class II Provide active means to prevent airborne dust Clean work surfaces with hot
from dispersing into atmosphere. water and detergent.
Water mist work surfaces to control dust while Contain construction waste
cutting. before transport in tightly
covered containers.
Seal unused doors with duct tape.
Wet mop &/or vacuum with
Block & seal air vents. HEPA-filtered vacuum before
leaving work area.
Place dust matt at entrance & exit of work area.
Remove isolation of HVAC
Remove or isolate HVAC system in areas where system in areas where work is
work is being performed. being performed.
Class III Remove or isolate HVAC system where work is Remove barriers only after work
being done to prevent contamination of duct is completed & site inspection
system. done by Project Consultant/
Engineer.
Complete all critical barriers i.e. plywood, plastic
to seal area from non-work area. Remove barrier materials
carefully to minimize spreading
Maintain negative pressure within work site of dirt & debris.
using HEPA equipped air filtration units.
Wet mop area with hot water &
Contain construction waste before transport in detergent.
tightly covered containers.
Remove isolation of HVAC
Cover transport carts. system in areas where work is
being performed.

Class IV Isolate HVAC system. Remove barrier material
carefully.
Complete all critical areas.
Contain construction waste.
Maintain negative pressure within work site with
HEPA filters. Cover transport carts.

All personnel entering work site are required to Vacuum work areas with HEPA-
wear shoe covers.Shoe covers must be removed filtered vacuums.
upon exit.
Wet mop area.
Remove isolation of HVAC

156 Ministry of Health Malaysia