EthosEnergy Power Plant Services Scaffolds scaffold planks shall be “scaffold grade” based on...

Fixed Locations - Health, Safety & Environmental Procedures

Scaffolds

Approver: Issued: Review Due: Procedure #: Revision #:

D. Driver Jan-2015 Jan-2016 HS35 11

CONFIDENTIAL EthosEnergy Power Plant Services, LLC of 21

Copies of this procedure are uncontrolled unless maintained in a document controlled intranet site or binder.

EthosEnergy

Power Plant Services

Scaffolds


Scaffolds





Table of Contents

1 Purpose ................................................................................................................................................... 3

2 Scope ...................................................................................................................................................... 3

2.1 Applicability .................................................................................................................................... 3

2.2 References .................................................................................................................................... 3

3 Definitions ............................................................................................................................................... 4

4 Responsibilities ....................................................................................................................................... 4

5 Process ................................................................................................................................................... 6

6 Procedure ............................................................................................................................................... 6

6.1 General Requirements ................................................................................................................... 6

6.2 Design and Erection Requirements ............................................................................................... 6

6.3 Securing Scaffolds ......................................................................................................................... 7

6.4 Rolling Scaffolds ............................................................................................................................ 8

6.5 Aerial Lifts ...................................................................................................................................... 8

6.6 Scissor Lifts ................................................................................................................................... 9

6.7 Boatswain Chairs and Other Suspended Systems ........................................................................ 9

6.8 Employee Fall Protection ............................................................................................................... 9

6.9 Scaffold Permits ............................................................................................................................. 9

7 Records ................................................................................................................................................. 10

8 Training ................................................................................................................................................. 10

8.1 Initial Training .............................................................................................................................. 10

8.2 Refresher Training ....................................................................................................................... 11

8.3 Specialized Training ..................................................................................................................... 11

9 Records of Change ............................................................................................................................... 12

10 Implementation .................................................................................................................................... 13

11 Attachments ......................................................................................................................................... 14


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1 Purpose

This procedure establishes the requirements to be followed for providing proper guidance for erecting, dismantling, and using scaffolds to prevent injuries due to falls and falling objects due to unsteady work surfaces.

2 Scope

This procedure applies to all EthosEnergy Power Plant Services facilities and its employees except where superseded by more stringent local standards.

2.1 Applicability

This procedure applies to all EthosEnergy Power Plant Services owned and/or operated facilities, field service operations, its employees and its contractors except where superseded by more stringent local standards.

Various types of scaffolds are used in various ways to facilitate work at EthosEnergy Power Plant Services facilities. An employee’s job duties may require them to be knowledgeable in assembling, disassembling, and/or working on scaffolds safely. This procedure outlines terminology and responsibilities and reviews basic principles for the development of procedures to ensure safety and efficiency.

2.2 References

This procedure is written to comply with the requirements of following documents and directives:

American National Standard, ANSI A10.8, 1977, "Safety Requirements for Scaffolding"

Scaffold manufacturers’ specifications and instructions

OSHA Requirements 29 CFR 1910, Subpart D - “Walking-Working Surfaces; ” T8 CCR Article 4, Access, Workspace, and Work Areas (use T8 CCR Section 3275 to capture bullets below)

o 1910.21 - “Definitions” o 1910.28 - “General Requirements for Scaffolding” o 1910.29 - “Manually propelled mobile ladder stands and scaffolds (towers)”

OSHA Requirements 29 CFR Part 1926, Part L - “Scaffolds”; T8 CCR Articles 21-23 (Construction Industry

o 1926.450 -“Scope, application and definitions a applicable to this subpart T8 CCR Section 3520

o 1926.451 - “General Requirements”; T8 CCR Section 1937 o 1926.452 - “Additional requirements applicable to specific types of scaffolds; T8 CCR

Chapter 4.4, Article 22 o 1926.453 - “Aerial Lifts”T8 CCR Section 1930 o 1926.454 - “Training Requirements”T8 CCR Section 1937


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3 Definitions

Boatswain Chair: A seat from which a person can work while suspended or a seat used to transfer a person from vessel to vessel or between the dock and vessel.

Boards, Decking or Planking: Material used for flooring the work surface of a scaffold.

Competent Person: Per OSHA, a person who, because of training and experience, is capable of identifying (in surroundings or work conditions) existing and predictable hazards which are hazardous or dangerous to personnel, and who has authorization to take prompt corrective measures to eliminate or control hazards. A Competent Person is one who has been qualified by training and approved by management based on training and experience. For the purposes of this procedure, the scaffold erecting contractor must provide a Competent Person.

Handrail: A single bar or pipe supported from a wall or partition to furnish a handhold.

Mid-Rail: A rail approximately midway between the guardrail and platform.

Qualified Person: A person who has been determined by their supervisor to have the skills, knowledge, training and abilities to safely perform the work for which they are assigned. Qualifications may include a recognized degree, certificate, or professional standing (through extensive knowledge, training, and experience) or one who has successfully completed specific training.

Railing: A barrier erected along exposed sides of stairways and platforms. The top rail usually serves as a handrail.

Scaffold: A temporary elevated platform and its supporting structure used to support workers or materials, or both.

Scaffold Permit: A term used to describe a form which documents that all applicable scaffold construction requirements are satisfied and authorizes the use of the scaffold by contractor(s) and/or EthosEnergy Power Plant Services employee(s).

Toeboard: A vertical barrier at floor level erected along exposed edges of a working surface to prevent material from falling.

Working Load: The load imposed by individuals, materials and equipment.

4 Responsibilities

Competent Person(s) are responsible for:

Assessing the design of a scaffold to verify that it is structurally acceptable and in compliance with local regulations.

Overseeing scaffold erection and modification work.

Authorizing use of the scaffold by performing an inspection and issuing a “Scaffold Permit” with his/her signature at the beginning of each shift.

Periodically evaluating work activities to ensure the scaffold is being used appropriately.


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Corporate HSE performs the following functions:

Reviews applicable regulations and ensures that procedures meet all Federal regulatory requirements.

Revises procedures as applicable.

Distributes updates and changes.

Provides technical assistance to site Safety Representatives and Facility Managers.

The Facility Manager shall ensure that employees and contractors are aware of this procedure’s requirements, and training/resources are available to facilitate effective implementation. Specific responsibilities include:

Assigning a Work Supervisor to ensure that a designated “Competent Person” is involved in scaffold erecting and dismantling activities.

Ensuring that Facility personnel who build or use scaffolds are qualified per required training.

Ensuring that the requirements set forth by this procedure are periodically audited to verify compliance.

Designate at least one site employee to become very familiar with this procedure to support interaction with and oversight of the contractor’s Competent Person.

Scaffold Users have the following responsibilities:

Only using scaffolds that have been permitted, and inspected and tagged accordingly.

Attending scaffold training with the goal of understanding precautions for working safely from scaffolds.

Utilizing safe work practices when working on, or around, scaffolds (e.g., never exceeding the working load of a scaffold).

The Safety Representative (or designee) has the following responsibilities:

Coordinating and/or supporting employee training.

Ensuring that the Work Supervisor and Competent Person comply with the regulatory requirements and Facility specific procedures.

Periodically auditing the facility’s scaffold jobs to ensure that the requirements set forth by this procedure are being complied with.

The Work Supervisor (e.g., Operations, Maintenance, Construction or Project Manager) is responsible for ensuring that the requirements set forth in this procedure are being followed during the planning and execution of scaffold work. Specific responsibilities include:

Ensuring that the scaffold contractor provides a Competent Person for the oversight of the scaffold work.

Ensuring that the Competent Person is adequately trained in the design, erection, use, and dismantling of scaffolds by the contractor company.

Ensuring that scaffold builders/users have the appropriate training.


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5 Process

[PENDING]

6 Procedure

Caution: There are numerous types of scaffolds; each of which may have specific design, erection, and use requirements. This procedure is intended to provide EthosEnergy Power Plant Services facilities guidance on the general rules and expectations associated with scaffolds that are most commonly used for maintenance or repair activities at EthosEnergy Power Plant Services facilities.

6.1 General Requirements

General Requirements for working on all scaffold types are as follows (see Attachments 1, 2, and 3 for additional information):

Scaffold boards shall not be used for skids, ramps, runways, workbenches or any purpose other than scaffold decking.

The safe working load on a scaffold shall not be exceeded.

Brick, tile, block or similar material may not be stacked higher than 24 inches (approx. 61 cm) on a scaffold deck.

Tools, materials, and debris shall not be allowed to accumulate in quantities that cause a hazard.

Equipment being hoisted onto a scaffold shall have a tag line. Employees should never rig from scaffold handrails or braces.

Workers shall not stand on any object to increase reach when on a scaffold including railings, ladders, step stools, etc.

Before starting work, the jobsite shall be surveyed and cleared of debris that would endanger secure footing for the scaffold or cause a rolling scaffold to tip over.

Any scaffold damage shall be immediately tagged “DO NOT USE” and the scaffold shall not be used until the repairs are completed

Scaffold users shall wear head protection when exposed to overhead hazards.

Employees shall not perform work on outdoor scaffolds during thunderstorms, high winds or on scaffolds which are covered with ice or snow unless all ice or snow is removed and the planking is sanded (or otherwise protected) to prevent slipping.

6.2 Design and Erection Requirements

Design and Erection Requirements for all scaffolds are as follows (see Attachments 1, 2, and 3 for additional information):

Scaffolds and their components shall be capable of supporting without failure at least four times (4x) the maximum intended load.

Wooden scaffold planks shall be “scaffold grade” based on the species of wood used and shall not exceed maximum allowable spans.


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Note: Maximum allowable span distance is determined by the species of wood and the height and width of the wood plank. Work with the scaffold erector to ensure that all wooden planks used are scaffold grade and within the maximum allowable span. Contact the HSE Department for additional guidance.

Care should be taken to ensure that wooden scaffold planks are not placed against sources of dangerous heat (e.g., steam piping, etc.). Wooden scaffold planks shall not be used above 150 deg F since above this temperature the negative effect on the wood is irreversible. Also, wood chars at 425 deg F, and burns at approximately 575 deg F. In the event that wooden scaffold planks are the only feasible materials, further administrative controls (e.g., fire watch, etc.) will be required.

The footing or anchorage for all scaffolds shall be sound, rigid, and capable of carrying the maximum intended load without settling or displacement. Unstable objects such as barrels, boxes, loose brick, concrete blocks, etc. shall not be used to support scaffolds or planks.

Scaffolds shall not be altered or moved horizontally while in use or occupied.

Ladders shall be used for access to scaffold platforms. Scaffold rails or braces may only be used if specifically designed by the manufacturer as an access ladder.

All manufactured scaffold systems must be used in compliance with the manufacturer’s specifications. No alteration is permitted to any scaffold member by welding, burning, cutting, drilling or bending. Unless specifically allowed by the manufacturer, parts and sections of patented metal scaffolding of different manufacturers are not to be interchanged.

When space allows, scaffold platforms must be equipped with standard 42-inch high, rigidly secured handrails, midrails and 4-inch toeboards. Furthermore, scaffold platforms shall be completely decked with cleated or secured safety plank or manufactured scaffold decking. Workers shall not work from a deck that is less than two planks wide.

Where persons are required to work or pass under a scaffold, a screen of No. 18 gauge ½ inch wire mesh shall be installed between the toeboard and the guardrail to prevent objects from falling on those below.

Scaffolds shall be braced with diagonal as well as cross bracing.

Scaffold boards shall have cleats to prevent slippage on the scaffold framework and shall extend at least 6 inches (approx. 15.2 cm) but not more than 18 inches (approx. 45.7 cm) over the end supports. Boards shall be secured to the framework to prevent movement.

6.3 Securing Scaffolds

Scaffolds shall be erected level and plumb on a firm base. Other requirements for securing scaffolds are as follows:

Scaffolds that are four times (4x) (three times [3x] in California) higher than the smallest base dimension shall be secured to the building or other solid structure at the second lift and every other lift thereafter.

Running scaffolds shall be secured every thirty (30) feet (approx. 9 m) of horizontal run at the same height as the other attachments to the building or other solid structure.


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6.4 Rolling Scaffolds

Rolling Scaffolds shall be used only on smooth, level surfaces unless the wheels are contained in wooden or channel iron runners that are level and stabilized. The following precautions shall be observed when working on scaffolds (see Attachments 1, 2, and 3 for additional information):

Wheeled scaffolds shall not have adjusting or leveling screws. Adjusting screws, where permitted, shall not have more than 12 inches (approx. 30.5 cm) of thread extended.

Overhead clearances shall be checked before moving scaffolds.

Tools and materials shall be removed or secured on the deck before moving a rolling scaffold. Workers shall not ride a rolling scaffold while it is being moved.

The force needed to move a rolling scaffold shall be applied as close to the base as practical.

The height of a rolling scaffold shall not exceed two times (2x) the smallest base dimension (including attached outriggers).

6.5 Aerial Lifts

Requirements for safely using aerial lifts are as follows:

Aerial lifts shall be inspected each day before use in accordance with the manufacturer’s instructions by a trained worker. These inspections shall be documented either by using Attachment 5 or a site specific inspection form.

An ABC-type fire extinguisher shall be mounted inside of the work platform. Where the manufacturer included a mounted fire extinguisher with original design, the size of extinguisher provided by the manufacturer should be used. Lifts having > 5 gallons of Class I Flammable Liquids (e.g. gasoline) should have an ABC-type extinguisher with a rating of 40B or higher (e.g. 10-pound extinguisher). Otherwise a 5-pound extinguisher should be sufficient.

Barricade tape shall be used around the lift of the base to keep workers at least three (3) feet away from the scissor pinch points.

Aerial lifts shall only be used on a firm level surface.

Aerial lifts shall not be loaded in excess of their rated load capacity or loaded in such a way to affect stability.

An operator’s manual must be maintained on all aerial lifts.

If a scissors lift must be raised to perform maintenance work on the mechanism, blocks shall be placed in the scissor mechanism to prevent the platform from falling.

Aerial lifts shall be completely lowered at the end of the work operation.

Aerial lifts should not be moved horizontally while the working platform is in the raised position.

Aerial lifts shall be equipped with guardrails.

Aerial Lifts shall have signs that are clearly visible to an operator at its controls indicating: o The rated working load, o All limiting operating conditions including the use of outriggers, stabilizers, and extendable

axles, o The specific firm level surface conditions required for use in the elevated position,


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o All warnings required by the manufacturer, o The direction of machine movement for each operating control (other than a boom lift), o The name and number of the National Standards of Canada standard to which it was

designed,

6.6 Scissor Lifts

Requirements for safely using scissor lifts are as follows (see also the EthosEnergy Power Plant Services HSE procedure HS40 – Walking and Working Surfaces):

A fire extinguisher (Ansul A-5 or equivalent) shall be mounted and maintained on the inside of the work platform.

Barricade tape shall be used around the lift of the base to keep workers at least three (3) feet (1 m) away from the scissor pinch points.

If the scissor must be raised for maintenance work on the mechanism, blocks shall be placed in the scissor mechanism to prevent the platform from falling.

Scissor lifts shall be completely lowered at the end of the work operation.

6.7 Boatswain Chairs and Other Suspended Systems

Boatswain Chairs and Other Suspended Systems shall have a fall arrest system in place at all times as well as an anchor tackle attached to a securely installed object. These systems require seat boards that are at least 12 x 24 x 1 inch (approx. 30.4x60.9x2.54 cm). First-grade, 5/8-inch (approx. 1.5 cm) diameter fiber rope shall be used for the seat sling. Other requirements include:

Swing stages, toothpicks, boatswain (bos’n) chairs, floats and needle beams must be accepted by the EthosEnergy Power Plant Services work Supervisor and inspected by the Competent Person for scaffolds.

Tackle used for any suspended system shall employ only correctly sized ball bearings or bushed blocks and properly-spliced, 5/8 inch (approx. 1.5 cm) diameter first-grade rope.

6.8 Employee Fall Protection

Employee Fall Protection is very important to the safety of the operation in progress. Therefore, employees shall practice the following precautions:

Wear properly tied-off safety harnesses on scaffold platforms that are not equipped with standard guardrails and completed decking.

Tie off harnesses to a building or other fixed structure or to a scaffold that is firmly attached to a fixed structure. Each person tying off when working from a scaffold shall have a personal lifeline.

6.9 Scaffold Permits

Scaffold Permits serve as a confirmation of scaffold condition inspection and shall be completed and signed by the Competent Person. Scaffolds and scaffold components shall be inspected for visible defects by a


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competent person before each work shift, and after any occurrence which could affect a scaffold's structural integrity. The signed permit must be confirmed and updated via visual inspection at the beginning of each work shift, and shall be prominently displayed where workers can review it before using the scaffold.

Note: Pre-shift daily Competent Person inspections are not required on days or shifts in which the erected scaffold is not used. No employee or contractor will use a scaffold without it first being inspected and without observing the current permit posted at the scaffold.

The Competent Person, which is often a vendor/contractor, shall utilize a permit form, tag, or other means of documenting and communicating to employees visually the completed inspection so long as all users of the scaffold are aware of the utilized permitting method.

When no pre-determined permit form, tag, or other means is established, the Competent Person shall utilize the form provided as Attachment 4.

Note: On a case-by-case basis and as approved by the EthosEnergy Power Plant Services HSE Department, facilities may elect to use other common and equally effective methods for ensuring scaffold integrity and documenting required inspections, such as a scaffold tagging system, in lieu of the EthosEnergy Power Plant Services Scaffold Permit provided as Attachment 4

7 Records

Employee training records shall be retained for the duration of employment.

Scaffold Permits shall be removed at a minimum of every two shifts (after reauthorization). Completed scaffold permit forms shall be retained on file for 1 year.

8 Training

8.1 Initial Training

Initial general awareness and procedural training shall be provided to personnel prior to their use of scaffolds in the workplace. The target audience for this initial training includes; those Employees who have management responsibility for ensuring compliance with this procedure (e.g., Facility Managers. Work Supervisors, Competent Persons, and Safety Representatives) and personnel who use scaffolds.

Those employees who perform work while on scaffolds shall be trained to recognize the hazards associated with the type of scaffold being used and to understand the procedures to control or minimize those hazards. The training shall include the following areas, as applicable:

The nature of any electrical hazards, fall hazards and falling object hazards in the work area.

The correct procedures for dealing with electrical hazards and for erecting, maintaining, and disassembling the fall protection systems and falling object protection systems being used.

The proper use of the scaffold, and the proper handling of materials on the scaffold.

The maximum intended load and the load-carrying capacities of the scaffolds used.


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The above shall be satisfied via GPI module OS17 (or equivalent) and a review of this procedure and testing to demonstrate understanding. Alternative methods for training, such as company provided presentations covering both general awareness and procedural knowledge, are acceptable.

8.2 Refresher Training

Refresher training will be provided for all applicable employees once every three years. Additionally, refresher training will be provided whenever (1) changes occur in workplace; (2) changes occur in types of fall protection, falling object protection, or scaffolds; (3) indications are that an employee has not retained required understanding or skill; or (4) reason to believe employee does not have understanding of skills required. (e.g., program audit reveals deficiencies, near miss or injury incident related to the topic, etc.).

8.3 Specialized Training

Specialized training is required for those persons who perform the following work duties:

Scaffold Builders: Those employees who are involved in erecting, disassembling, moving, operating, repairing, maintaining, or inspecting scaffolds shall be trained by a competent person to recognize any hazards associated with the work in question. The training shall include the following topics, as applicable:

The nature of scaffold hazards.

The correct procedures for erecting, disassembling, moving, operating, repairing, inspecting, and maintaining the type of scaffold in question.

The design criteria, maximum intended load-carrying capacity and intended use of the scaffold.

Scaffold Permit or Tagging System.

Nature of fall hazards to include the use of body harnesses, lanyards, lifelines and other fall protection available.

Safe use of ladders.

Where to find working load limit markings on ladders and scaffolds.

Note: Hands-on training specific to the type of scaffold involved is required for employees who build scaffolds.

Competent Persons: Competent Persons are typically trained by a manufacturer’s representative, or qualified third-party training vendors.

Recommendation: At EthosEnergy Power Plant Services facilities where scaffolds are built by contractors, it is recommended that at least one EthosEnergy Power Plant Services employee be trained as a “scaffold builder” and be assigned to oversee contractor scaffold erection.

If the competent person is a contractor employee, the site should require a copy of their competent person card and retain in the site HS 35 file.


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9 Records of Change

Revision Issue Date Description of Change Changed By

0 - 9 Various See archived red-line versions of annual revisions Various

10 June 2014 Update to new format; Rebranding Kevin Orr; Don Fritz

11 Jan 2015 Updated spelling errors and to REV 11 Scott Bailey


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10 Implementation

This non-mandatory checklist is designed to help locations implement this procedure. When all applicable items are completed, this procedure is considered fully implemented by the location.

(PENDING NEXT REVISION)

Applicable Requirement Description

Date Completed

Yes No

Assessment Perform the assessment described in Section 5, Process.

Documentation Ensure that the following documentation is in place:

Update the HSE Procedure Binder(s)

Signage & Postings

Purchase and install the following signs and other postings:

Equipment & Supplies

Purchase the following equipment & supplies:

Compliance Tasks

Enter the following tasks in the Compliance Tool:

Training & Qualification

Add the following training and/or certifications to GPiLearn:

Work Authorization System (WAS)

Update the WAS to include the following:

Vendor(s) Establish a relationship with a qualified vendor(s) for::

Other Perform the following additional implementation actions:


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11 Attachments

Attachment 1, Working on Scaffolds

Attachment 2, Moving Scaffolds

Attachment 3, Scaffold Hazards to Avoid

Attachment 4, Scaffold Permit

Attachment 5, Aerial Lift Inspection Form


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Attachment 1 - Working on Scaffolds


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Attachment 2 - Moving Scaffolds


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Attachment 3 - Scaffold Hazards to Avoid


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Attachment 4 - Scaffold Permit/Daily Pre-Use Inspection Form

Date Issued: ___ / ___ / ____ Estimated Time of Scaffold Use: _______________________

Permit Issued To (Print name and Company): ____________________________________________________

Scaffold Location (or ID Number): _________________________________________________________

Work Order Number (if applicable): ________________

Work Description: ______________________________________________________________________

____________________________________________________________________________________

Scaffold Load Rating (in psf) _____________________________

N/A Yes No

1. Is jobsite prepared?

2. Is diagonal/cross bracing complete?

3. Is scaffold secured to structure if 4X (3X for California facilities) higher than smallest base dimension?

4. Is scaffold plumb/level?

5. Are scaffold parts in good condition?

6. Are cleats on scaffold deck boards?

7. Do scaffold deck boards extend at least 6” but no more than 18”?

8. Are handrails (42” height) in place?

9. Are mid rails in place?

10. Are four-inch (10.6 cm) toe boards in place?

11. Has entire work surface been checked?

12. No. 18 gauge ½ inch (1.27 cm) wire mesh installed between the toeboard and the guardrail if personnel have ability to walk below scaffold?

13. If required, is fall protection provided?


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This form is to be completed by a Competent Person

First Shift Inspection:

Competent Person’s Signature _________________________ Date __________ Time _______

Second Shift Inspection:

Competent Person’s Signature _________________________ Date __________ Time _______

This permit is good for a maximum of two consecutive shifts (reconfirm conditions at beginning of each shift) only.


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Attachment 5 - Aerial Lift Pre-Use Inspection Checklist

Lift Truck No._________

Hours on Truck:____________

ITEM Acceptable Not Acceptable

Required Action

(incl. Work Order No. if needed)

Tires (excessive wear, cuts, inflation)

Operating and Emergency Controls are in proper working condition

Fuel level, hydraulic oil, and other fluids (for signs of leak)

Brakes – service and parking

Lower Operating Controls over-ride Upper controls

Drive controls function properly & accurately labeled (up, down, right, left, forward, back)

All guard rails are sound and in place, including basket chains

Safety decals are in place and readable

Work platform & extension slides are clean, dry, & clear of debris

Inspect for defects such as cracked welds, fuel leaks, hydraulic leaks, damaged control cables or wire

harness, etc.

All Safety Indicator lights work


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ITEM Acceptable Not Acceptable

Required Action

(incl. Work Order No. if needed)

Outriggers in place or functioning. Associated alarms working

Functional upper drive control interlock (i.e. foot pedal, spring lock, or two hand controls)

Control panel is clean & all buttons/switches are clearly visible (no paint over spray, etc.)

All switch & mechanical guards are in good condition and properly installed

The manufacturer’s operations manual is stored on the lift.

Inspect Housekeeping: Debris, floor obstructions, cords, construction material and supplies.

Check Floor conditions: Drop offs, holes, uneven surfaces, and sloped ground, etc.

Personal Protection in use. (Harness, lanyard, hardhat etc.)

Is there an appropriate tie off location?

Are weather conditions suitable? i.e. too windy, etc.

Date of Inspection:____________________

Inspected by:_________________________ Signature:____________________________

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