Barricades. Preparer: Owner: Approver: EHS Specialist EHS Team Leader Site Director J. Walker (Electronic Signature on File)

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1 Number: HAN-EHS-SPI-0274 Page: e 1 of 6 Preparer: Owner: Approver: EHS Specialist EHS Team Leader Site Director J. Walker (Electronic Signature on File) J. Hooker (Electronic Signature on File) P. Waddington (Electronic Signature on File) Rev. No. Rev. Date Change Control Document ID Description of Revision /03/11 Initial Issue /13/ S&H Review and format. No procedural process revisions. 1. PURPOSE The purpose of this procedure is to establish minimum standard requirements for the regulation of entry/exit into areas that may contain specific safety, health, or environmental hazards and to provide a warning that such hazards may be present. 2. DEFINITIONS 2.1. Signs, swing/drop arms, breakaway rope, chain or cable that are highly visible. Barricade use may be any of the following types depending on the service for which they are required: Yellow or red tape Horse barricades Fence Rope or chain Traffic cones Blinking warning lights or temporary lights may be placed at strategic locations to indicate presence of barricades in unlighted or poorly lit areas at night when work is extended to the next day. Where warning lights are utilized in locations other than roadways or open plant area, permission for their use must be obtained from the operating unit. Lights must be suitable for the area they are intended to be used, such as intrinsically safe for use in reactor room Yellow Tape Yellow barricade tape stating Warning or Caution shall be used to identify areas where a hazard is easily determined after surveying the area. Examples include: welding, head knockers, slip/trip hazards, etc. Additional examples include the following: Doorways where employees may be working on a ladder in the path of normal pedestrian travel. Aisles and roadways where ladders or scaffolds are in use. Painting areas. Areas where a crane or overhead load may travel. Situations identified in JSA or SWP, i.e. bulk tank movement, HVAC unit movement.

2 Number: HAN-EHS-SPI-0274 Page: e 2 of Red Tape Red barricade tape stating Danger Do Not Enter shall be restricted to areas where a hazard may not be apparent or where life threatening situations exist. Some examples are serious electrical hazards where exposure to live circuits by unqualified personnel may be present, under equipment being lifted by hoisting devices, under overhead welding and cutting operations or hazardous chemical spills. No one should ask to enter a Red Tape barricade area to take a short-cut to another area of the plant. Additional examples include the following: Work in progress overhead lifting from cranes or hoists (falling objects). Plant road repairs or excavations where vehicles or personnel could enter. Leaks, spills and other hazardous chemical spills that are a hazard to personnel. Walkways or roadways with hanging ice overhead. Equipment or debris being removed from vessels. Sandblasting areas. Note: If Red Tape was originally installed in a work area for protection, and the hazard has been reduced from serious or life threatening to one of a lesser hazard, then the Red Tape should be replaced with Yellow Tape Toeboard Low protective barrier designed to prevent materials, tools, and equipment from falling to a lower level, and protect employees from falling. A standard toeboard shall be 4 inches nominal in vertical height from its top edge to the level of the floor, platform, runway, or ramp. It shall be securely fastened in place with not more than 1/4-inch clearance above floor level. 3. SCOPE This procedure shall apply to all BASF employees, contractors, subcontractors, or service personnel that may be involved in work on BASF property. 4. PROCEDURE 4.1. Tape Plastic yellow caution tape is a warning device and at no time shall it be used as a barrier Red tape may be used in circumstances identified below: Tape shall be installed approximately 36 inches above the surface. Tape shall isolate all sides of the hazard. Large work areas may be isolated by taping doorways, stairways, or ladderways to prevent entry into the area or building. Tape shall be a minimum of 3 feet from the hazard on all sides, where possible. Tape shall be completely removed when the hazard no longer exists.

3 Number: HAN-EHS-SPI-0274 Page: e 3 of Permanent Floor Openings Every floor opening into which persons can accidentally walk shall be guarded by either: A standard railing with standard toeboards on all exposed sides. A floor hole cover of standard strength and construction that should be hinged or firmly fastened in place. While the cover is not in place, the floor hole shall be constantly attended by someone or shall be protected by a removable standard railing. Every hole into which persons cannot accidentally walk due to fixed machinery, walls or equipment shall be protected by covering that leaves no openings more than 1 inch wide. The cover shall be held securely in place Open Sided Floors, Platforms and Walkways Every open-sided floor or platform 4 feet or more above adjacent floor or ground level shall be guarded by a standard railing on all open sides except where there is entrance to a ramp, stairway or fixed ladder. The railing shall be provided with a toeboard wherever, beneath the open sides, Persons can pass beneath, There is moving machinery, or There is equipment with which falling materials could create a hazard Toeboards shall be provided on open sides where tools, machine parts or materials are likely to be used on the walkway. Removable railings used on docks or material delivery points must be replaced immediately upon completion of loading or unloading Temporary and Warning Devices General Temporary barrier protection shall be provided on all floor openings, excavations, overhead work, pits and open holes left unattended or where work has ceased. Additionally, warning devices shall be provided in other areas of personnel hazard such as slip/trip and spill areas The use of drums, terra tape, rope, etc., alone is not acceptable for barricading any floor opening, excavation, pit or open hole to prevent injury to personnel. The barricade must be able to withstand at least 200 pounds horizontal or vertical loading Barrier protection shall be of an acceptable height (approx. 36") on all open sides except where there is entrance to a ramp, walkway or fixed ladder For hazard areas not covered above, plastic tape may be used as a warning device as follows: Areas where it is appropriate for employees to enter with caution after

4 Number: HAN-EHS-SPI-0274 Page: e 4 of 6 evaluation, the plastic yellow tape with the words Caution with designated warning signs or identified hazard(s). Examples are some slip/trip hazards. For areas where employee entry is not authorized to enter, plastic red tape with the words Do Not Enter printed on it may be used. Employees are NOT to enter the area without the permission of the designated responsible person of the Unit / Department that placed the tape. Examples include spill areas or hot surfaces. Temporary lighting shall be used in all areas, as required, to provide sufficient light for safe working conditions and adequate warning to others of the potential hazardous condition. Blinker lights may be used in areas subject to vehicle traffic. Lighting must meet electrical classification requirements of the area. Employees are not to enter areas designated by any wood, metal, rope or red tape barricade without the specific permission and knowledge of the Unit/Department that placed the barricade Temporary Specific Railing and Wall Openings Every temporary rail or wall opening from which there is a drop of one foot or more shall be barricaded adequately where applicable (as described above). Signs will be located conspicuously Floor Openings Every temporary floor opening not covered by an anchored cover plate shall be barricaded adequately (see above) with appropriate caution signs attached, located in conspicuous positions. In addition, the area below the floor opening shall be posted with signs and roped off as per Section Paragraph 3. If possible, the barricades shall be a minimum of three (3) feet laterally from all sides of the floor opening. Every temporary floor opening or pit shall have standard railings, or barricades, or shall be constantly attended by someone Overhead Work When persons can pass under overhead maintenance work eight (8) feet or more above the floor or ground level, the area below shall be taped off. A single strand approximately 36 inches high is adequate. All sides of taped off areas shall be outside the working location by a minimum of three (3) feet laterally. Warning - Beware of Overhead Lifting" signs shall be posted at all entrances to maintenance/construction shops and designated permanent equipment storage buildings. Lifting with hoisting devices

5 Number: HAN-EHS-SPI-0274 Page: e 5 of 6 may take place in these areas without the use of additional warning equipment, such as barricade tape or stanchion signs. Any deviation from this requirement must be approved by EHS Site Services. On lifting vehicles equipped with emergency flashers, the flashers will be activated while lifting is in progress. Specific situations will dictate the proper type and use of overhead work barricades and warning devices Open Excavations, Pits and Holes Barrier protection shall be provided on all excavations, pits and open holes where work is being performed or where temporary work has ceased. The protection shall exist on all open sides except where there is an entrance to a ramp, walkway or fixed structure Excavations may be barricaded with wooden snow fencing if tied to 5/8" or larger rebar, 3/4" or larger schedule 40 pipe or prefabricated metal fence posts with cleats for stability, driven securely into the ground on centers not exceeding eight (8) feet Excavated material may be used. Barricade on one side of the excavation if it forms a continuous barrier at least three (3) feet high with steep banks Excavating equipment may be used for a barricade (in addition with other barricades) only with the daily approval of the designated BASF representative supervising the work. The equipment must be positioned in such a way as to prevent a person from inadvertently walking past any part of the machine into the hole All excavations, pits and holes must have approved barricades in place or be constantly attended by a person designated by the work group Protection for Openings around Walkways Openings above, below, or near walkways through which persons or materials may fall shall be protected by railings, barriers, or covers. Red or Yellow barricade tape is not an acceptable barrier, and shall not be used except as a mitigating action along with an attendant to warn of the hazard until an acceptable railing, barrier, or cover is put in place Operator Communication Any production operator(s) whose duties require him to be within the confines of a red barricaded "Danger -Do Not Enter" area will be properly communicated with about the scope of work to be performed by the designated contact entry person. The production operator(s) will then sign the "Danger - Do Not Enter" tag for convenience in leaving and entering the work area.

6 Number: HAN-EHS-SPI-0274 Page: e 6 of Designated Entry/Exit Points An area barricaded with red "Danger - Do Not Enter" tape must have a designated entry/exit point(s) marked with "Danger -Do Not Enter" tags placed approximately 6 feet apart to designate the point of entry/exit into the area. The number of designated entry/exit point(s) will be determined by the person in charge of the work area. If the person in charge of the area wants absolutely no entries to occur, it is acceptable to use one Danger Do Not Enter tag with that person s contact information listed. No other tags will be placed on the tape and no other points of entry/exit will be allowed Designated Person for Entry A person shall be assigned as the designated entry contact for all entry into a red "Danger - Do Not Enter" area by the person in charge of the project. If the designated entry contact is not in sight of the entry/exit point, a means of communication must be established and listed on the Danger Do Not Enter tag (i.e. radio, mobile phone, etc.). If the designated entry contact must leave the work area, another person shall be assigned to be the designated entry person. If the work area is large and more than one entry point has been designated, then more than one designated person for entry may be required. If the work area is small, more than one entry point can be controlled by a single designated person if all entry points are within close proximity to the designated entry person. Each entrant into a red barricaded area must have the approval of the designated entry contact Danger Do Not Enter Tags These tags will be placed on each side of the designated entry/exit point(s). Tags should be placed approximately 6 feet apart. Back of tag will list the designated contact person on the first line. The remainder of the work crew will also be listed for ease of entry during the work process. For control of entry during extended periods of time, such as overnight or on weekends when no activity is planned within a red barricaded area, the designated person for entry listed on the back of the "Danger - Do Not Enter" tag(s) will contact the supervisor in charge of the work area and discuss the hazards of the work area with the operator. The operator of the work area will then become the designated person for entry into the area. The operator of the work area will place his red "Danger - Do Not Enter" tags at all designated points of entry and the original designated work crew will remove their tags. Note: For control of entry over multiple shifts, the operator's job title and not his personal name will be placed on the red "Danger - Do Not Enter" tag. All communications involving the changing of entry personnel will be noted in the local area log book, and/or with the shift lead.