USAMRICD AHA Underground Utilities

Accident Prevention PlanUSAMRICD Replacement Facility

Aberdeen Proving Ground, Edgewood, Maryland

ACTIVITY HAZARD ANALYSISLOCATION:Edgewood, MD

CONTRACT NUMBER:W912DR-09-C-0030

PROJECT TITLE:USAMRICD Replacement Facility, Aberdeen Proving Ground

ACTIVITY: Installation of Underground Utilities

PRIME CONTRACTOR:Total Engineering, Inc.

SUBCONTRACTOR:N/A

GENERAL DESCRIPTION OF SCOPE OF WORK FOR THIS ACTIVITY: Installation of Sewage Collection System, Water Lines, and Storm Lines.

RISK ASSESSMENT:Moderate

Date of Preparatory Inspection:PRINCIPAL STEPS POTENTIAL SAFETY/HEALTH

HAZARDSRECOMMENDED CONTROLS

1. Discuss the scope of work to be performed during Daily Safety Huddle.

A. Items to be discussed include individual injury and damage to the environment. Shock, electrocution, strain / sprain, pinch points, oxygen deficient atmosphere, toxic or explosive atmosphere, contusions, abrasion are potentials.

A. Supervisors and employees involved in this scope of work must be clear in their task, aware of the potential hazards, and necessary measures to be taken to prevent injury and loss events from occurring. A pre-job briefing of the work to be performed will be conducted, including a thorough review and understanding of the AHA with the FSM and craftsman will help ensure an understanding of the work, its hazards and mitigation steps, required personal protective equipment and tools associated with the work. Make note of Site Emergency Services 911 and location on base in case of problems.

2. Conduct Physical Site Assessment after completion of the Safety Huddle.

A. Changed conditions / hazards, directly / indirectly, may have occurred / developed since the last work area review or initial development of this AHA.

A. Conduct a documented Pre-Task Analysis at the work location and where the work is to be performed. The Field Site Manager (FSM) and Craftsman

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ACTIVITY HAZARD ANALYSIS

involved in conducting this work “must be present” during the initial pre-task analysis performed. A daily documented pre-task analysis is required to ensure surrounding conditions / hazards created by others or by the work being conducted are identified and mitigated prior to conducting work.

3. Mobilize/set-up tools, equipment, and materials.

A. Strain/sprains, slips/trips, chemicals, and lacerations

B. Employee general safetyC. Unsafe Damaged Equipment

A. Expectations of safe lifting practices to be given at pre-job briefing. Review all equipment/materials that would require mechanical assistance for lifting. Maintain housekeeping with designated staging areas. Ensure designated access paths Maintain current applicable MSDS for all products and use proper PPE in association with guidance instructions provided by MSDS. Verify any necessary insurance or inspection documentation required. Designate appropriate staging area with super silt fencing to include shallow pit for temporary concrete washout area. Insect all tools on jobsite for proper ergonomic utilization, proper insulation, and safe usage for purposes as expected, with all personnel utilizing proper PPE.

B. Minimal PPE requirements are hard hats, ANSI approved safety glasses, work boots, and safety

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ACTIVITY HAZARD ANALYSISvests. Hearing protection shall be required for activities with a high noise exposure In accordance with company policy, OSHA regulations and EM385.1.1 US Army Corps of Engineering.

C. Immediately remove and replace any tools inspected that do not meet these standards. All equipment shall be inspected by FSM upon arrival on the site. Damaged equipment shall be tagged and removed from service in accordance with company policy and with section 18 of the EM 385.1.1.

EQUIPMENT4. Equipment shall include but not

be limited to Backhoe, Trackhoe, 33,000lb dump truck with air brakes, Utility pick-up trucks, tractor and low bed trailer, Tampers Gas operated, skid loader aggregates, excavator, Stihl Cutqik Saw, rollers, tampers, rebar, shore boxes, suction vacuum, and trailers.

INSPECTION REQUIREMENTSA. Prior to use, inspect daily and test

and determine tools/equipment are in safe operating condition. If operators change, each new operator will also inspect tools. FSM will make spot checks of tool condition and practices of workers.

TRAINING REQUIREMENTSA. Competent person briefing prior to

the beginning of work. Toolbox safety meetings. Personnel authorized to operate the specific piece of equipment are the only persons who will be allowed to use it and the associated equipment and tools.

Additional requirements will be a CDL and a DOT physical during the transportation of equipment. It is also the responsibility of the operator to perform the daily inspection and maintain the equipment log book.

5. A. UXO operations A. Emergency Procedures A. TEI will have Tetratech as the "competent person" on site during all excavations. This is to include

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ACTIVITY HAZARD ANALYSISinspections, removing and/or handling of MEC/UXO. If at any time during excavations the competent person suspects the presence MEC/UXO all operations will stop and TEI will evacuate the area until the competent person has cleared the area to resume excavation operations.

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ACTIVITY HAZARD ANALYSIS6. Excavate per the drawing detail

and for the type of soil.A. Traffic / Pedestrian SafetyB. Contact with known/ unknown

utility during excavation/ fill work causing hazardous energy release.

C. Excavation/ trench safety

A. All traffic control devices shall conform to the latest edition of the MUTCD and Maryland’s supplements, all flaggers must be ATSSA certified and adhere to Maryland’s standards for flagging, follow the traffic control plan in accordance with TEI company policy and section 18 of the EM 385.1.1. Do not operate vehicles or equipment adjacent or in the vicinity of the cutting area unless to do so, operations have been coordinated with the FSM. Wear proper PPE to perform the work.

B. Identify all utilities utilizing Miss Utility and potholing to verify locations. Work shall be stopped FSM or Safety Supt. shall be contacted immediately if an unknown utility is encountered. An excavation checklist shall be utilized. All employees involved in the excavation shall be briefed of utility locations. Existing vehicle and pedestrian traffic unaffiliated with the project shall be re-directed away from work area, using “caution” tape, cones, barricades and signage to demark these areas

C. A competent person shall inspect the excavation/ trench prior to each day’s activities or any change in conditions in accordance with company policy, OSHA regulation, and section 25 of

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ACTIVITY HAZARD ANALYSISthe EM 385.1.1. During trenching operations, a certified trench box, sloping, or engineered shoring shall be used. Access/ egress (ladders) shall be provided within 25 feet of all employees. Air monitoring shall be done on a daily basis. If a hoe ram is utilized hearing protection and flying object protection shall be provided. Protective fencing shall be installed for protection of employees near the excavation and prevent unauthorized entry into the area. Employees shall be aware of the slip/ trip hazards present during wet/ icy/ or snowy conditions. Dewatering shall occur as necessary and the excavation/ trench inspected by the competent person prior work beginning. All spoils shall be at least two feet from the edge of the excavation.

7. Layout lay down area for materials, tools and equipment associated with the installation of RCP/PVC pipe.

A. Slips/trips/falls, contusions, abrasions, lacerations, punctures, strains/sprains, overhead hazards.

A. Develop a plan for the organization and staging of materials, tools, equipment and installation of RCP/PVC pipe.

8. Entering Confined Spaces. A. Emergency ProceduresB. Employee general safetyC. Unsafe/ damaged equipment/

power toolsD. Flying object protection E. Cuts/ scratch/ scrapes/ burns/ falls

A. Contact FSM supervisor immediately.

B. Minimal PPE requirements are hard hats, ANSI approved safety glasses, work boots, and safety vests. Hearing protection shall be required for activities with a high

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ACTIVITY HAZARD ANALYSISnoise exposure. Run a continuous atmospheric test and use complete Confined Space equipment provided by the company. Follow company procedures, OSHA regulation and section 34 of the EM 385.1.1 and complete the entry permit when entering a confined space area. When in doubt call your immediate supervisor or FSM. Before entry into a confined space, an assessment shall be performed to determine if the space shall be identified as a Permit Required confined space. All employees must have received training on confined space as well as understand their individual responsibilities. Verify all aspects of confined space permit are in place if applicable. Air monitoring will be provided prior to entry and then continuous. 4-Gas Monitor will be verified for proper calibration dates. Acceptable atmosphere:

Oxygen content >19.5% & <23.5 O2

Flammable gases & vapors < 10% LEL

Toxic gases and vapors < the PEL for known containments

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ACTIVITY HAZARD ANALYSISAssemble PPE, Tools and Rescue Equipment to be used at the work location.

Guard opening by erecting a hard barricade around manhole. Signage should read “Danger Permit Required Confined Space, Do Not Enter” if required

Examine water for oily sheen, if present contact FSM and environmental personnel in accordance with EM 385.1.1.

Pump manhole of water (if necessary)

Verify communication means is operable.

C. All equipment shall be inspected by FSM upon arrival on the site. Damaged equipment shall be tagged and removed from service. All hand/ power tools shall be inspected prior to use. Any damaged/ unsafe tools shall be tagged and removed from service and it shall comply with the manufactures recommendations and with section 13 of the EM 385.1.1.

D. All guards shall be in place and serviceable.

E. All cords/ power tools shall have GFCI protection. Face shields and safety glasses shall be used when using chop saws or grinders. Work area shall barricade or shields

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ACTIVITY HAZARD ANALYSISutilized if other workers are exposed to hazard. Gloves shall be used when using chop saws or grinders. Utilize step ladders to gain access safely.

9. Anchor and secure RCP/PVC pipe.A. Damaged/ unsafe hand/ power

toolsB. Flying object protectionC. Cuts/ scratch/ scrapesD. Fire hazard when refueling

equipmentE. Damaged/ unsafe rigging/

hoistingF. Metatarsal protectionG. Excavation/ trench safetyH. Caught in between/ struck by

equipment/ materials

A. All hand/ power tools shall be inspected prior to use. Any damaged/ unsafe tools shall be tagged and removed from service and it shall comply with the manufactures recommendations and with section 13 of the EM 385.1.1.

B. All guards shall be in place and serviceable.

C. All cords/ power tools shall have GFCI protection. Face shields and safety glasses shall be used when using chop saws or grinders. Work area shall barricade or shields utilized if other workers are exposed to hazard. Gloves shall be used when using chop saws or grinders.

D. A fire extinguisher shall be provided within 25’ of any refueling operations. Equipment shall shut off during refueling. Mechanical bonding shall be used. Portable fuel cans shall be properly labeled, metal, have a spark arrestor screen, and have a self closing lid. No plastic gas cans.

E. All rigging shall be inspected prior to use. Damaged rigging shall be tagged and removed from service

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ACTIVITY HAZARD ANALYSISimmediately. A qualified rigger shall be used. A lift meeting shall occur prior to operation. All rigging/ hoisting equipment shall have engineered data for capacity (tags, etc.). Employees shall not be allowed under hoisted loads. The equipment swing radius shall be guarded.

F. Employees using powered compaction equipment (jumping jacks, tampers, etc.) shall utilize metatarsal guards.

G. A competent person shall inspect the excavation/ trench prior to each day’s activities or any change in conditions. During trenching operations, a certified trench box, sloping, or engineered shoring shall be used. Access/ egress (ladders) shall be provided within 25 feet of all employees. Air monitoring shall be done on a daily basis. If a hoe ram is utilized hearing protection and flying object protection shall be provided. Protective fencing shall be installed for protection of employees near the excavation and prevent unauthorized entry into the area. Employees shall be aware of the slip/ trip hazards present during wet/ icy/ or snowy conditions. Excavations of earth material to a level not greater than 2 feet (.61 m) below the bottom of a shield shall be

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ACTIVITY HAZARD ANALYSISpermitted, but only if the shield is designed to resist the forces calculated for the full depth of the trench, and there are no indications while the trench is open of a possible loss of soil from behind or below the bottom of the shield. Dewatering shall occur as necessary and the excavation/ trench inspected by the competent person prior work beginning. All spoils shall be at least two feet from the edge of the excavation.

H. Employees shall wear high visibility vests. All back up alarms on equipment must be in place and serviceable. Spotters shall be used as necessary for equipment positioning. A flagman shall be used as necessary at the access/ egress point for equipment/ vehicles. Employees shall avoid pinch points. All ROPS shall be in place and seat belts worn.

10. Unloading the anchor supports and set the RCP/PVC pipe.

A. Damaged/ unsafe hand/ power tools

B. Flying object protectionC. Cuts/ scratch/ scrapesD. Silica exposureE. Fire hazard when refueling

equipmentF. Damaged/ unsafe rigging/

hoistingG. Metatarsal protectionH. Excavation/ trench safetyI. Caught in between/ struck by

A. All hand/ power tools shall be inspected prior to use. Any damaged/ unsafe tools shall be tagged and removed from service and it shall comply with the manufactures recommendations and with section13 of the EM 385.1.1.

B. All guards shall be in place and serviceable.

C. All cords/ power tools shall have GFCI protection. Face shields and

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ACTIVITY HAZARD ANALYSISequipment/ materials safety glasses shall be used when

using chop saws or grinders. Work area shall barricade or shields utilized if other workers are exposed to hazard. Gloves shall be used when using chop saws or grinders.

D. The primary means of protecting workers will be through the use of less toxic materials, enclosed systems, local exhaust ventilation, wet methods, and good work practices.

The following measures will be used to reduce exposure to crystalline silica in the workplace:

Wet down the dust at the point of generation.

Install local exhaust ventilation to prevent dust from being released into the air.

During rock drilling, flows water through the drill stem.

Install dust collection systems onto machines or equipment that generated dust.

Use concrete/masonry saws that provide water to the blade.

Silica sand or other substances containing more than 1%

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ACTIVITY HAZARD ANALYSIScrystalline silica will not be used for abrasive blasting.

Good personal hygiene will be practiced to avoid unnecessary exposure. Eating, drinking, use of tobacco products or applying cosmetics will not be done in areas where there is dust containing crystalline silica.

If possible, employees will shower and change into clean clothes before leaving the worksite to prevent contamination of cars, homes, and other work areas.

E. A fire extinguisher shall be provided within 25’ of any refueling operations. Equipment shall shut off during refueling. Mechanical bonding shall be used. Portable fuel cans shall be properly labeled, metal, have a spark arrestor screen, and have a self closing lid. No plastic gas cans.

F. All rigging shall be inspected prior to use. Damaged rigging shall be tagged and removed from service immediately. A qualified rigger shall be used. A lift meeting shall occur prior to operation. All rigging/ hoisting equipment shall have engineered data for capacity (tags, etc.). Employees shall not be allowed under hoisted loads. The equipment swing radius shall

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ACTIVITY HAZARD ANALYSISbe guarded.

G. Employees using powered compaction equipment (jumping jacks, tampers, etc.) shall utilize metatarsal guards.

H. A competent person shall inspect the excavation/ trench prior to each day’s activities or any change in conditions. During trenching operations, a certified trench box, sloping, or engineered shoring shall be used. Access/ egress (ladders) shall be provided within 25 feet of all employees. Air monitoring shall be done on a daily basis. If a hoe ram is utilized hearing protection and flying object protection shall be provided. Protective fencing shall be installed for protection of employees near the excavation and prevent unauthorized entry into the area. Employees shall be aware of the slip/ trip hazards present during wet/ icy/ or snowy conditions. Excavations of earth material to a level not greater than 2 feet (.61 m) below the bottom of a shield shall be permitted, but only if the shield is designed to resist the forces calculated for the full depth of the trench, and there are no indications while the trench is open of a possible loss of soil from behind or below the bottom of the shield. Dewatering shall occur as

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ACTIVITY HAZARD ANALYSISnecessary and the excavation/ trench inspected by the competent person prior work beginning. All spoils shall be at least two feet from the edge of the excavation.

I. Employees shall wear high visibility vests. All back up alarms on equipment must be in place and serviceable. Spotters shall be used as necessary for equipment positioning. A flagman shall be used as necessary at the access/ egress point for equipment/ vehicles. Employees shall avoid pinch points. All ROPS shall be in place and seat belts worn.

11. Backfill of underground pipe.A. Caught in between/ struck by

equipment/ material.A. Employees shall wear high

visibility vests. All back up alarms on equipment must be in place and serviceable. Spotters shall be used as necessary for equipment positioning. A flagman shall be used as necessary at the access/ egress point for equipment/ vehicles. Employees shall avoid pinch points. All ROPS shall be in place and seat belts worn.

12. Final inspection of work area and housekeeping shall be performed prior to departure of work area.

A. Slips/trips/falls and lacerations. A. Maintain housekeeping with designated areas. Ensure designated access paths. Verify proper utilization of PPE especially on hands.

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ACTIVITY HAZARD ANALYSISREVIEWED BY: APPROVED BY:

Safety Officer (signature)

Subcontractor (signature)

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USAMRICD AHA Underground Utilities

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