HOUSTON INDEPENDENT SCHOOL DISTRICT Essential Functions and Physical Demands Analysis Job Details Job Title: HVAC Mechanic (Repairer III HVAC) Job Code: 033719 Date of Analysis: 11/11/03 Department: Facilities Management and Operations - Maintenance Job Analyst: Benjamin Haynes, OTD Summary of Essential Functions The HVAC Mechanic II with Houston Independent School District is required to perform the following essential functions during the course of a normal workday: 1. Responsible for receiving work orders from the Lead or Planner in the department. 2. Responsible for going out to schools in the HISD and completing heating, airconditioning and ventilation associated work. 3. Responsible for completing general paperwork for each job that is completed. Product /Workplace Descriptions The work of an HVAC Mechanic II with Houston Independent School District is performed in a school district involved primarily in the education of school-aged children and students grades Kindergarten through twelfth grade. The specific department in which the duties are performed is the Facilities Management and Operations - Maintenance department. The actual work of the HVAC Mechanic II takes place in schools throughout the school system. The HVAC Mechanic II is directed by work orders he/she receives from the Lead or Planner in the department. The work of an HVAC Mechanic II requires the worker to service, repair and install any equipment that uses air. This equipment can include, but is not limited to: central heat and air-conditioning units, window air conditioning units, pumps and motors used in these pieces of equipment, air grills, air filters, and duct work. The work can take place in schools located throughout the HISD or in administrative buildings owned by the HISD. The worker is also required to complete some generalized paperwork related to this service, repair and installation work. The HVAC Mechanic II HISD - HVAC Mechanic 1 9/26/2009
works in conjunction with the HVAC Mechanic. The HVAC Mechanic II could be considered an understudy of the HVAC Mechanic, although the physical requirements of the job are the same. The peak force required to pull on, or tip, over a 220-pound drum of refrigerant (R-11) is 55.9 pounds. This pull is required to tip the drum and then roll it on its bottom rim from place to place. This pull is completed by pulling the drum with pronated hands on opposite side of the drum from the body. The drum of R-11 refrigerant sits 28 inches high and has a 14-inch diameter. The HVAC Mechanic II is required to lift 48.9-pound refrigerant containers (shaped like a gas grill container). These containers can be carried holding one in each hand, or carried one in two hands. A neutral grip used to carry two containers (with one container in each hand). A container of this refrigerant gas can also be carried bilaterally, with one hand supporting under the container with a supinated grip with the other hand placed at the top of the container using a pronated or neutral grip. These containers are 14 inches tall and have cutout pieces of metal to grip. The weight of a five-gallon bucket of refrigeration oil lifted and carried by the HVAC Mechanic II is 37.9 pounds. This bucket is carried using a handle that is located across the top of the bucket. A neutral grip is used to carry this bucket of refrigeration oil. The weight of a large exhaust fan lifted and carried by the HVAC Mechanic II is 53.7 pounds. These fans are large and bulky, measuring 40 inches in diameter. These fans can be carried individually or by two people at a time. A neutral or supinated grip is utilized to lift and carry these fans. The weight of a box of floor tiles used by the HVAC Mechanic II is 60.4 pounds. This box measures 11 x 11. This box of tiles is generally lifted and carried using a supinated or neutral grip with bilateral upper extremities. The work of a HVAC Mechanic II with Houston Independent School District is performed both indoors and outdoors in a school system environment. Temperature and humidity levels vary tremendously dependent upon the location of work. At times, the HVAC Mechanic II is required to work on the roof of buildings, which can be very hot during the summer months. The worker must be able to endure hot and humid conditions during the summer months and cold and icy conditions during the winter months. The worker must also be able to tolerate rain and slippery conditions. The worker is at times required to wear aerator masks, gloves, safety goggles, back safety and support belts, knee pads and rain gear in the performance of this work. Tools and equipment used in this HVAC Mechanic II include, but are not limited to the following: Gages, volt meters, vacuum pumps that draw moisture out of air-conditioning units, amp probes, various hand tools, ¼ to 2 inch wrenches, pipe threaders, pipe racks, 12-foot ladders, oxygen and acetylene torches, reclaim systems (that takes refrigerant out of burned out air-conditioning units and recycle the material), dollies, and four-wheeled carts. HISD - HVAC Mechanic 2 9/26/2009
Regular, dependable attendance is an essential function of this position. HISD - HVAC Mechanic 3 9/26/2009
HOUSTON INDEPENDENT SCHOOL DISTRICT Physical Demands Analysis Summary Page Position Title: HVAC Mechanic Department: Facilities Management and Operations - Maintenance Date of Analysis: 11/11/03 SITTING/STANDING/WALKING Sitting Standing Walking Crawling Constant (67-100%) Worker s Ability Yes No Peak Forces Involved in Work Processes Force measurements were taken of various activities requiring strength in the performance of the HVAC Mechanic II duties for this position. Force takes into consideration the average velocity and/or acceleration of the lift and the effort necessary to overcome inertia. Other factors taken into consideration are the necessary strength to grasp and perform manipulative activities that have an associated strength factor. Worker s Ability ACTIVITY PERFORMED PEAK FORCE AVERAGE Yes No Force required to pull on, or tip, over a 220-pound drum of refrigerant (R-11) 55.9 pounds Lifting Activities Note: All lifting activities cover both lifting and lowering processes. The point of origin and/or the destination of the lift are classified in the three body zone ranges. The weight ranges given are the weight of the product to be lifted or lowered and does not include the force to be employed in the lifting process. Frequencies are calculated based upon the number of lifts and lowers, the average time of each lift, and then divided into the total time in the workday. LIFTING LEVEL FLOOR TO WAIST 0-10 pounds 10-20 pounds 20-50 pounds 50-70 pounds 70 + pounds Total Floor to Waist Lifts Constant Worker s Ability (67-100%) Yes No LIFTING LEVEL WAIST TO SHOULDER 0-10 pounds 10-20 pounds 20-50 pounds 50-70 pounds 70 + pounds Total Waist to Shoulder Lifts Constant Worker s Ability (67-100%) Yes No HISD - HVAC Mechanic 4 9/26/2009
LIFTING LEVEL ABOVE THE SHOULDER 0-10 pounds 10-20 pounds 20-50 pounds 50-70 pounds 70 + pounds Total Above Shoulder Lifts Constant Worker s Ability (67-100%) Yes No Constant (67-100%) Worker s Ability UPPER BODY ND* Dom. Both ND* Dom. Both ND* Dom. Both YES NO Pushing Pulling Carrying Handling Grip Strength - Neutral Grip - Pronated Grip - Supinated Grip Pinch Strength - Key/Lateral - Palmar - Tip Fingering Feeling Reaching Below Knees Reaching Knee to Shoulder Reaching Above Shoulder LOWER BODY REQUIREMENTS Kneeling Crouching/Squatting Stooping Stair/Ladder/Climbing Balancing Crawling Constant Worker s Ability (67-100%) Yes No OTHER PHYSICAL DEMAND REQUIREMENTS Correctible Vision Uncorrected Vision Color Vision Talking Hearing Smell Constant Worker s Ability (67-100%) Yes No HISD - HVAC Mechanic 5 9/26/2009
HISD - HVAC Mechanic 6 9/26/2009
HOUSTON INDEPENDENT SCHOOL DISTRICT Physical Demand Analysis Job Title: HVAC Mechanic Department: Facilities Management and Operations - Maintenance Prepared By: Benjamin Haynes, OTD Date of Analysis: 11/11/03 Essential Function 1: Responsible for receiving work orders from the Lead or Planner in the department. Required Physical Demands Standing Walking Carrying Reaching Knees to Shoulder Handling Function Description: The HVAC Mechanic II is responsible for receiving work orders from the Lead or Planner in the FMO Maintenance department. The worker must investigate the work order and then determine what tools and equipment are necessary for the completion of the work. Description Required to carry paperwork, clipboard and writing utensil. Grip Strength - Neutral Grip Required to carry paperwork and clipboard. Pinch Strength - Palmar Pinch Required to manipulate paperwork. - Tip Pinch Required to manipulate paperwork and a writing utensil. Correctible Vision Talking Required to communicate with Supervisor to ask any pertinent questions regarding the work order. HISD - HVAC Mechanic 7 9/26/2009
Hearing Required to communicate with Supervisor to ask any pertinent questions regarding the work order. Essential Function 2: Responsible for going out to schools in the HISD and completing heating, air-conditioning and ventilation associated work. Function Description: The HVAC Mechanic II is responsible for completing maintenance, repair, and installation tasks on equipment throughout the HISD. This equipment can include, but is not limited to: central heat and air-conditioning units, window air-conditioning units, pumps and motors used in these pieces of equipment, air grills, air filter, and air duct work. The HVAC Mechanic is required to sustain awkward body positions in the performance of this work. Required Physical Demands Standing Walking Sitting Stair/Ladder Climbing Balancing Lifting Description Required to access work areas. Sitting is required at some times when servicing certain pieces of equipment. Required to access worksites. Required when climbing 12-foot ladders. Also required when standing on 12-foot ladders when completing work tasks. Required to lift and manipulate tools and equipment used for job related tasks and activities. Required to lift 48.9-pound refrigerant HISD - HVAC Mechanic 8 9/26/2009
Carrying Pushing Pulling Stooping Kneeling Crouching Crawling Reaching Below Knees Reaching Knees to Shoulder Reaching Above Shoulder containers (shaped like a gas grill container). The weight of a five-gallon bucket of refrigeration oil lifted and carried by the HVAC Mechanic IIis 37.9 pounds. The weight of a large exhaust fan lifted and carried by the HVAC Mechanic IIis 53.7 pounds. The weight of a box of floor tiles used by the HVAC Mechanic IIis 60.4 pounds. Required to carry tools and equipment used in the performance of maintenance tasks and activities. The HVAC Mechanic II is required to push against large central heating and air-conditioning units when these units are lifted on hoists during installation. This push is estimated to range between 50-75 pounds and is completed using bilateral upper extremities with the forearms in pronation and the wrists extended. The HVAC Mechanic II is also required to push against hand tools when torquing. The HVAC Mechanic II is required to pull against large central heating and air-conditioning units when these units are lifted on hoists during installation. This pull is estimated to range between 50-75 pounds and is completed using bilateral upper extremities with the forearms in pronation or neutral and gripping the top or the sides of the unit. The HVAC Mechanic II is also required to push against hand tools when torquing. The peak force required to pull on, or tip, over a 220-pound drum of refrigerant (R-11) is 55.9 pounds. The HVAC Mechanic II is required to crawl through very tight spaces when working on air ducts and associated pieces of equipment. Reach in this body zone occurs on a frequent basis. HISD - HVAC Mechanic 9 9/26/2009
Handling Required to manipulate tools and equipment used for the performance of work related tasks and activities. Grip Strength - Neutral Grip Required when lifting, carrying, and manipulating tools and equipment. - Supinated Grip Required when lifting, carrying, and manipulating tools and equipment. - Pronated Grip Required when lifting, carrying, and manipulating tools and Fingering equipment. Required when completing fine motor manipulations of equipment. Fingering is used to manipulate volt/amp meters. Fingering is also used to calibrate thermostats. Pinch Strength - Lateral Pinch Required when working with wiring. Also required when completing fine motor manipulations. - Palmar Pinch Required when using some hand tools, including a screwdriver. - Tip Pinch A tip pinch is used at times when dialing controls on thermostats and on various meters and gages used by the employee. Correctible Vision Color Vision Talking Hearing Smell Fingering Required to communicate with co-workers. Required to communicate with co-workers. Required to detect lethal gas leaks, such as phosgene. The worker is required at times to feel for hot wires. The HVAC Mechanic II also uses his/her sense of touch to feel for air blowing out of units. HISD - HVAC Mechanic 10 9/26/2009
Essential Function 3: Responsible for completing general paperwork for each job that is completed. Required Physical Demands Sitting Pushing Pulling Reaching Knees to Shoulder Function Description: The HVAC Mechanic II is responsible for completing service reports after work is completed. The computer can be used for this task. This service report indicates what each job entails, what work actually takes place, how long it takes to complete the work, and what tools and supplies are used. Description Required to manipulate computer mouse/writing utensil. Also required to push computer keyboard keys. Required to manipulate computer mouse/writing utensil. Grip Strength - Pronated Grip Required to grip computer mouse. Fingering Required to manipulate computer keyboard. Pinch Strength - Palmar Pinch Required to manipulate paperwork. - Tip Pinch Required to manipulate paperwork. Also required to manipulate writing utensil. Correctible Vision HISD - HVAC Mechanic 11 9/26/2009