AHA for Dallas VA Example.xlsx
XLSX spreadsheet 28 KB Posted
- Attached to
- NTX Exhaust Fan and Louvers Replacement Federal contract opportunity
- Solicitation number
- 36C25726Q0216
About this file
This is an Activity Hazard Analysis (AHA) document prepared for a construction project at the Dallas Veterans Affairs Medical Center (VAMC) in Dallas, Texas, dated December 10, 2025. The document was prepared by Willie Collins, Construction Safety Officer, and outlines safety protocols and risk assessments for construction activities including demolition, drilling, cutting, scaffolding use, ladder use, and hot work operations.
The AHA identifies seven primary hazard categories with corresponding controls and risk assessment codes (RAC). Asbestos and lead exposure during demolition activities, respirable crystalline silica exposure during power tool use, and hot work operations (welding and cutting) are rated as Moderate Risk (M). Silica exposure during housekeeping, minimum PPE requirements, general weather and equipment hazards, ladder use, and scaffold use are rated as Low Risk (L). The document specifies mandatory controls including engineering controls (wet methods, vacuum systems, ventilation), administrative controls (abatement procedures, work restrictions), and personal protective equipment (respirators, hard hats, safety glasses, steel-toe boots, high-visibility vests). Training requirements include OSHA 10/30 certification for personnel working with ladders, PPE, and scaffolding. Daily inspection protocols are mandated for all equipment. The overall project risk assessment code is rated as Moderate (M), with emphasis on preventing exposure to hazardous materials through proper testing, abatement procedures before work commences, and continuous monitoring of site conditions including weather and active electrical utilities (480-volt panel).
View the file
Other files for this federal contract opportunity
| File | Type | Posted |
|---|---|---|
| 36C25726Q0216 0003.pdf | ||
| ECB1-70-S008 Roof Framing Section A.PDF | ||
| 36C25726Q0216 0002.pdf | ||
| ECB1-70-007 Roof Plan and Details.PDF | ||
| ECB1-70-013 Roof and MISC Details.PDF | ||
| ECB1-70-S009 Roof Framing Section B.PDF | ||
| Site Visit Sign in 1-22-2026.pdf | ||
| ECB3-70-E014 Equipment Schedules.PDF | ||
| Site Visit Sign in 1-30-2026.pdf | ||
| ECB2-70-H013 Upper Level Mech Room Plan.PDF | ||
| ECB1-70-S003 Pump Room Roof Framing.PDF | ||
| 36C25726Q0216 0001.pdf | ||
| WD 2015-5227 Rev 27 Date 12-3-2025.pdf | ||
| 36C25726Q0216.pdf | ||
| 36C25726Q0216_1.pdf |
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Text version
Sheet1
| Activity Hazard Analysis (AHA) | |||||||||
| Project Name: Construction Control Representative | Overall Risk Assessment Code (RAC) (Use highest code) | M | |||||||
| Project Location: Dallas VAMC; Dallas, Texas | Risk Assessment Code (RAC) Matrix | ||||||||
| Activity/Task: Project Construction Safety Rounds | Severity | Probability | |||||||
| Contract Number: | Unlikely | Seldom | Occasional | Likely | Frequent | ||||
| Date Prepared: 12/10/25 | Catastrophic | ||||||||
| Prepared by (Name/Title) | Critical | ||||||||
| Willie Collins, Construction Safety Officer | Medium | ||||||||
| Reviewed by (Name/Title): | Minor | X | |||||||
| Negligible | |||||||||
| Notes: (Field Notes, Review Comments, etc.) | Step 1: Review each “Hazard” with identified safety “Controls” and determine RAC (See above) | ||||||||
| “Probability” is the likelihood to cause an incident, near miss, or accident identified as: Frequent, Likely, Occasional, Seldom or Unlikely. | RAC Chart | ||||||||
| “Severity” is the outcome/degree if an incident, near miss, or accident did occur and identified as: Catastrophic, Critical, Marginal, or Negligible | E = Extremely High Risk | ||||||||
| H = High Risk | |||||||||
| Step 2: Identify the RAC (Probability/Severity) as E, H, M, or L for each “Hazard” on AHA. Annotate the overall highest RAC at the top of AHA. | M = Moderate Risk | ||||||||
| L = Low Risk | |||||||||
| Job Steps | Hazards | Controls | RAC | ||||||
| Asbestos & Lead |
Exposure risk occurs during demolition when hazards are disturbed. 1926.1101 - Asbestos. Airborne particles exposing employees to particulates that may cause adverse health effects.
Debris on surfaces, dislodged chunks, Sanding or Grinding If lead or asbestos are encountered on the jobsite, employees shall be made aware of locations, and take appropriate measures to prevent exposure.
Foreman shall relay information regarding asbestos abatement to employees. Employees shall be made aware of potential asbestos containing materials, and shall stop work and notify their supervisor if they suspect asbestos. Do not disturb asbestos. Testing and abatement shall be performed prior to performing work that may disturb asbestos.
Control Methods Engineering Controls – minimize hazards by isolating and preparing for dangers – (use barricades, ventilation, or saturate surfaces with water so dust is not created) Administrative Controls – follow abatement procedures – (request NAC abatement forms, contact a qualified professional to perform abatement) Personal Protective Equipment – PPE may be worn to control exposure to hazards - Use of respirators (follow written respiratory plan), safety glasses, gloves, & covered clothing. Maintain good hygiene, and
| wash hands, shower after handling, and wash clothes separately to prevent secondary exposure. | M | |
| Silica |
Exposure risk during demolition, drilling, hammer drilling, cutting, core-drilling, chipping, and housekeeping 1926.1153 - Respirable crystalline silica. Inhalation of airborne dust containing crystalline silica that, through the use of tools and work practices becomes respirable If using power tools on material that contains crystalline silica (e.g. concrete, stone, bricks, masonry, hardy board, drywall compound, etc.) you must use engineering controls (wet method or vacuum) to control dust to reduce exposure to below the 8 hr TWA, PEL of 50 micrograms per cubic meter. Follow Table 1 procedures, or work procedures listed in NAC’s Silica Exposure Control Program (summarized below). Ensure manufacturer instructions are followed.
1. Restrict Access + Contain Dust: restrict other employees from entering areas of high potential silica exposure. Use plastic to separate areas if necessary and wear respirators when entering area if required.
Ensure adequate ventilation and controls are in place for those in contained area.
2. Housekeeping + Sweeping: Use wet sweeping compound, wet sweeping, or HEPA vacuum for cleanup.
3. Safe work practices: use general ventilation and local exhaust ventilation to control exposure to dust.
Stand upwind to prevent unintended exposure. When vacuum attachments are not feasible, alternative control measures shall be taken to control dust. Controlling visible dust, is likely to also reduce exposure to invisible, respirable dust.
| 4. Hammer Drilling: use a vacuum attachment, local exhaust ventilation to remove dust at the source. | L | |||
| Minimum PPE requirements 1926.28 - Personal protective equipment. | Personal Injury | At a minimum the following PPE is required at all times (100%) while in the construction area: |
*Hard Hats *ANSI approved Safety Glasses w/side shields, *Leather work Boots , Steel or composite-toe, minimum 6” high (No Tennis Shoes), *High Visibility Vest *Be mindful of site conditions poison ivy, snakes and inspects for allergic reactions.
*Spill Kit must be on site and provided by subcontractor.
| *Other PPE requirements will be task specific (Hearing Protection, Face Shield, Gloves must be worn as needed.) | L | |||
| General Requirements 1926.1203 - General requirements. | Heat Stroke, Sun Stroke, Dehydration,Lighting Thunderstorms, Inclement Weather,Use of Tools-Hands and Power and Detective tools. Injury due to cave-in of excavated trenches. Electrical Shock. Unsafe Equipment. Tripping over debris. Hand cuts. General Injury | Drink plenty of water, have regular rest breaks |
• Wear light comfortable clothing • Monitor weather channel for current information• Cease field activities if warranted by field weather conditions. All hand and power tools shall be maintained in a safe condition.• Check all guards. Keep all guards in place and check cords• Use proper hand tools and equipment when doing the work. • Spoil pile shall be kept at least two feet from the edge of the excavation. • Use portable GFCI’s, heavy-duty or better extension cords, and establish Lockout/Tagout procedures. Assured grounding requiring per the APP.
• Examine each tool for damage before use and do not use damaged tools.
• Existing pole onsite is an active 480 Volt panel, any digging near area will be done by hand opposed to machines to ensure safety.
| • All existing utilities shall be properly marked and hand excavation to locate the location and depth of utilities where necessary. Ensure the use of gloves while working. Require all personnel to wear hard hat and safety shoes at all times. Safety glasses are required. Hearing protection and dust masks/respirators are required when the activity or work operation presents the potential for injuries to exist. | L | |||
| Using, Assessing Scaffolding 1926 Subpart L APP Part B - Scaffolds | Falling / Tipping | Do not move scaffolding while personnel is on system – Exception is Baker’s Scaffolding if moved |
by another person and you are sitting or kneeling on work platform Workers shall be tied off when on platforms over 6' high Be sure to use proper harness and proper length lanyards
| Do not use scaffolding to store material that is not in use | M | |||
| Ladder Use 1926 Subpart X - Stairways and Ladders | Falling / Pinch Points | Do not exceed ladder load restrictions |
Do not exceed ladder step height Be sure proper height ladders are being used Do not overreach the side rails of the ladder All ladders shall be secured from movement Always use the “3-pt of contact” rule while on ladder
| Step Ladder – use in the “OPEN” position only | L | |
| Hot work |
Performed on job-sites.
Employees shall follow
| site requirements. 1926.24 - Fire protection and prevention. 1926 Subpart J - Welding and Cutting | Burns, Fires, | |
| Ventilation | Hazards while doing hot work will be minimized by: |
Complete hot work permits as required by site, and provide trained fire watch with extinguishing system during and for 60 mins after work. Firewatch should also watch below if holes in floor/walls.
Hot work equipment shall be inspected before use, and be in good condition Multi-purpose fire extinguisher or water source is readily available nearby.
Dust, lint, debris, flammable liquids and oily deposits removed.
Remove flammable and combustibles and wet down combustible floors, or covered with damp sand or fire blankets. Cover openings or unmovable combustibles with fire blankets, and have firewatch below.
Ensure any risk of explosive atmosphere in the area is eliminated.
Confined spaces are cleaned of all combustibles such as grease, oil, flammable vapors, and have
| continuous mechanical ventilation | M | ||
| Equipment to be Used | Training Requirements / Qualifications | Inspection Requirements | |
| Ladders | OSHA 10/30 | Check stability and integrity of ladder (daily) | |
| PPE | OSHA 10/30 | Verify glasses are intact/scratch-free, gloves are abrasion-free, hard hats are intact (each use) | |
| Scaffolding | OSHA 10/30 | Check stability and integrity of ladder (daily) |
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