AHA - Ijevan NCDCP Interior Demolition

8/21/2019 AHA - Ijevan NCDCP Interior Demolition

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ACTIVITY HAZARD ANALYSIS (AHA)

Date: 18 May 2015 Job/Activity: Demolition of Portions of the Building Interior ofNCDCP Regional (Ijevan) laboratoryProject: CBEP Armenia, Phase-2

Sb! Site S"ervi#or: ???De#cri"tio$ o% t&e 'or:

• demolition of the existing Partitions and Installations that

includes:

all types of ventilation duct system with vent engines,

all electrical distribution systems including wires (except cabling

buried in walls, boxes and devices, all communication system wiring (except cables buried in the walls)

and components, lighting fixtures,

flooring, ceiling tiles and ceiling tile support systems,

interior doors,

plumbing fixtures and fixture supply pipe laterals

and drain laterals, and

• removal all trash and debris

Sb! Sa%ety %%icer: ???

CH*+ HILL Site re"re#e$tative:

EHS suer!is"r: Armen B"d"yan

Revie' %or ,ate#t #e: Ea#h time $e%"re the &"$ is er%"rmed'

-or Activity Se.e$ce()denti%y the rin#ial stes in!"l!edand the se*uen#e "% +"r a#ti!ities

Pote$tia, Hea,t& a$ Sa%ety Ha0ar#(Analy.e ea#h rin#ial ste %"r

"tential ha.ards

Ha0ar Co$tro,#(/e!el" se#i%i# #"ntr"ls %"r ea#h "tential ha.ard

Pre-Start Initial Survey of work area • Engineering survey shall be completed by acompetent person prior to start of demolitionoperations to determine: the condition of the structure framing, oors,

and !alls" the #resence of asbestos, #olychlorinated

bi#henyls (PCBs), lead #aint, or other regulated ha$ardous

substances" the #resence of ha$ardous materials in tan%s,

#i#es, and e&ui#ment

the #ossibility of un#lanned colla#se of any

#ortion of the structure' a !ritten record of the survey ndings shall be

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Date: 18 May 2015 Job/Activity: Demolition of Portions of the Building Interior ofNCDCP Regional (Ijevan) laboratoryOrientation to work area

General PPE e!uirements(Reference C*+ I -.P -/0123, Demolition)

maintained at the #roject site'

• "he demolition contractor working on thispro#ect will provide $%&' %I(( with a

demolition safety plan prior to the start ofwork)

• In addition* the following safety precautionsshall be implemented by $%&' %I((personnel)

• +%+ review* General %,S Induction* "oolbo"alk

• %ard %at

• Safety Glasses

• .orking /steel toed0 boots

•

%igh visible vest• 1ust mask* face shield

• working gloves

• +dditional PPEs re!uired according to thetype of works /respirators* safety belts etc) 0

General .orking $onditions -li#s, tri#s and falls, • /nsure e4tension cords and other materials are#ositioned in an o#timum manner to avoidcongestion, tri# ha$ards, and ensure accessibility'Chec% area for uneven surfaces and barricade or 4if needed'

•

5al%ing and !or%ing surfaces !ill be %e#t free of clutter, debris and congestion'

• Be a!are of !et and sli##ery conditions'

• Identify footing ha$ards 6 use #ath!ays, do not!al%7climb over materials or e&ui#ment'

• /nsure !or% areas are ade&uately lit during !or% in

the building'

Injury associated !ith hand and#o!er tools usage'

• Ins#ect all tools before each use'

• Personnel !ill be trained in the #ro#er use of hand

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Date: 18 May 2015 Job/Activity: Demolition of Portions of the Building Interior ofNCDCP Regional (Ijevan) laboratorytools'

• 8se the a##ro#riate tool for the job'

• 8se an a##ro#riate tools in accordance !ith

manufacturer9s re&uirements'

• Never carry a tool by the cord or hose'

• Never yan% the cord or the hose to disconnect itfrom the rece#tacle'

• :ee# cords and hoses a!ay from heat, oil, and

shar# edges'

• Disconnect tools !hen not using them, before

servicing and cleaning them, and !hen changingaccessories such as blades, bits, and cutters'

• :ee# all #eo#le not involved !ith the !or% at a safedistance from the !or% area'

• -ecure !or% !ith clam#s or a vise, freeing bothhands to o#erate the tool'

• ;void accidental starting' Do not hold ngers on the

s!itch button !hile carrying a #lugged

-trains from manually movingmaterials and e&ui#ment'

• Personnel shall be directed to use #ro#er liftingtechni&ues such as %ee#ing bac% straight, lifting!ith legs, limiting t!isting, and getting hel# inmoving bul%y7heavy materials and e&ui#ment'

• +echanical e&ui#ment shall be used as much as

#ossible to minimi$e manual lifting'

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Date: 18 May 2015 Job/Activity: Demolition of Portions of the Building Interior ofNCDCP Regional (Ijevan) laboratory-truc% by heavy e&ui#ment,

e&ui#ment failure,unauthori$ed entry

• ?ualied o#erator !ill only o#erate e&ui#ment'

• /&ui#ment shall have fully functional -afety

Devices'

• ; &ualied o#erator shall ins#ect the e&ui#mentbefore the rst use of the day' ;ll ins#ections shallbe documented'

• /&ui#ment shall not be modied or used for any

other use than !hat it is designed'

• Post #ro#er signage at !or% areas'

• oads !ill not be sus#ended or travel over#ersonnel

• ; s#otter shall be used if o#erators vie! isobstructed'

• /nsure minimum clearance of @29 is maintainedfrom all overhead utilities

• .#erator shall be a!are of all e&ui#ment and

!or%er(s) near his7her o#erating area'

• .#erator shall ensure load in truc% bed is #ro#erlydistributed'

• .#erator shall not e4ceed safe o#erating

conditions'

• .#erator shall not e4ceed safe o#eratingconditions'

• .#erator shall not o#erate e&ui#ment other than inaccordance !ith the manufacturers o#eratingmanual'

• Dust control !ill be im#lemented

Poor visibility • 5or% and o#erating area shall be #ro#erly

illuminated'

• ; s#otter shall be used !henever vie! is

obstructed'

-#otter and o#erator shall clearlyunderstand standard hand signals' 5or%

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Date: 18 May 2015 Job/Activity: Demolition of Portions of the Building Interior ofNCDCP Regional (Ijevan) laboratory!ill be sto##ed if there is any &uestion as

to signals meaning'

Noise • If shouting is needed to hear a conversation 1


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Date: 18 May 2015 Job/Activity: Demolition of Portions of the Building Interior ofNCDCP Regional (Ijevan) laboratoryshall also be similarly evaluated' Ahe survey shall be

conducted by a com#etent #erson and a !rittenrecord of the survey ndings shall be maintained at

the #roject site'• Ahe demolition contractor !or%ing on this #roject

!ill #rovide C*+ I !ith a demolition safety #lan#rior to the start of !or%' C*+ I !ill use this#lan to verify that the subcontractor isim#lementing the necessary safety #recautionsduring this activity' In addition, the follo!ing safety#recautions shall be im#lemented by C*+ I#ersonnel' Belo! are the ha$ard controls and safe!or% #ractices to follo! !hen !or%ing around or#erforming demolition' /nsure the re&uirements in

the referenced -.P are follo!ed'• ;##ro#riate !arning and instructional safety signs

shall be cons#icuously #osted !here necessary'

• ugitive dust must be controlled during demolition

by using !ater s#ray or other methods'

• Remain a safe distance from the demolition $one toreduce e4#osure to fragmentation of glass, steel,masonry, and other debris during demolitiono#erations'

• Do not enter the demolition $one unless com#letely

necessary, and only after the com#etent #erson hasassessed the condition of the structure and hasauthori$ed entry'

• ollo! all re&uirements established by the

com#etent #erson' Ahe com#etent #erson shallinform #ersonnel of the areas that are safe to enterand the areas !here entry is #rohibited' 5hen#ossible, the com#etent #erson should escort C*+I #ersonnel !hile in the demolition $one'

• ;ll demolition activities that may aect the integrity

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Date: 18 May 2015 Job/Activity: Demolition of Portions of the Building Interior ofNCDCP Regional (Ijevan) laboratoryof the structure or safety of #ersonnel must cease

until #ersonnel have e4ited the demolition $one'

• During the course of demolition, !or% areas,

#assage!ays, stairs, ladders, and e4its shall be %e#tfree of demolition debris'

• -tay as clear as #ossible of all hoisting o#erations'oads shall not be hoisted overhead of #ersonnel

• Pro#er control measures shall be in #lace before

!elding or cutting on surfaces covered by coatingscontaining ammable or ha$ardous materials suchas lead, cadmium, $inc, etc' ighly ammable orto4ic coatings may re&uire stri##ing of the coating asucient distance from the area to be heated'

5elding and cutting shall be #erformed inaccordance !ith the #rovisions of .-; @E*F,-ub#art G, H5elding and Cutting' ollo! H5eldingand Cutting -.P -/01@J'

• Ahe follo!ing lead0e4#osure0control #rocedures !illbe im#lemented during demolition o#erationsinvolving #otential e4#osure to lead=

• -ite #ersonnel !ill be #rovided lead0a!areness

training"

• -ite #ersonnel !ill be #rovided !ith hand0!ashing

facilities and !ill !ash their hands daily"• Neither hand0held band7cho# sa!s nor torch cutting

e&ui#ment !ill be used on #ainted surfaces !ithout#ro#er PP/ and engineering controls in #lace orremoval of #aint #rior to cutting"

• During all demolition o#erations to control #otentiale4#osures to BP, !et methods using !ater mist !illbe used"

• ; direct0reading dust monitor !ill be used to

monitor demolition o#erations that #ose a #otential

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Date: 18 May 2015 Job/Activity: Demolition of Portions of the Building Interior ofNCDCP Regional (Ijevan) laboratorylead e4#osure ha$ard (that is, those !ith an action

level re&uiring that additional dust control measuresbe em#loyed and7or that res#iratory #rotection be

used')"• Personal air sam#les !ill be collected and analy$ed

for lead to conrm that no #ersonnel are e4#osed tolevels above the lead action level of 12 micrograms#er cubic meter" and

• Ahe selection of res#iratory #rotection and othere4#osure controls !ill be based on the most recente4#osure monitoring results obtained from the lead0e4#osure0com#etent #erson'

• or more information see C*+ I -.P -/032K,

ead'.orking from heights

Including #ortable ladder andscaold usage' 5hileassembling columns,form!or% and #lacement ofconcrete'

alls from ladders andim#ro#erladder usage

• Prior to use the su#ervisor shall ins#ect all laddersdaily for defects' ;ll defective ladders shall betagged and removed from service'

• Ahe su#ervisor !ill ensure all ladders are in

com#liance !ith all local, C*+ I andinternational standards'

• adders must be used only for the #ur#ose for!hich they !ere designed and shall not be loadedbeyond their rated ca#acity'

• .nly one #erson at a time shall climb on or !or%from an individual ladder'

• 8ser must face the ladder !hen climbing" %ee# beltbuc%le bet!een side rails' ;l!ays utili$e the three#oints of contact !hen utili$ing a ladder

• adders shall not be moved, shifted, or e4tended

!hile in use'

• 8ser must use both hands to climb" use ro#e to

raise and lo!er e&ui#ment and materials'

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Date: 18 May 2015 Job/Activity: Demolition of Portions of the Building Interior ofNCDCP Regional (Ijevan) laboratory• -traight and e4tension ladders must be tied o to#

and bottom to #revent dis#lacement'

• adders that may be dis#laced by !or% activities or

trac must be secured or barricaded• Portable ladders must e4tend at least 1 feet above

landing surface

• -traight and e4tension ladders must be

#ositioned at such an angle that the ladderbase to the !all is one


10/19


Date: 18 May 2015 Job/Activity: Demolition of Portions of the Building Interior ofNCDCP Regional (Ijevan) laboratory• .nly authori$ed #ersonnel are #ermitted to enter

high0voltage areas"

• Do not tam#er !ith electrical !iring and e&ui#ment

unless &ualied to do so' ;ll electrical !iring ande&ui#ment must be considered energi$ed untilloc%out7tagout #rocedures are im#lemented"

• Ins#ect electrical e&ui#ment, #o!er tools, and

e4tension cords for damage #rior to use' Do not usedefective electrical e&ui#ment, remove fromservice"

• Install Lround ault Circuit Interru#ters (LCIs) asthe standard method for #rotecting em#loyees from

the ha$ards associated !ith electric shoc%"

• LCIs shall be used on all **20volt, d #hase @3 and

*20am#here rece#tacle outlets !hich are not #artof the #ermanent !iring of the building orstructure'

• /4tension cords must be e&ui##ed !ith third0!iregrounding' Cords #assing through !or% areas mustbe covered, elevated or #rotected from damage'Cords should not be routed through door!ays

unless #rotected from #inching' Cords should notbe fastened !ith sta#les, hung from nails, orsus#ended !ith !ire"

• /lectrical #o!er tools and e&ui#ment must be

eectively grounded or double0insulated and8nder!riters aboratory (8) a##roved"

• .#erate and maintain electric #o!er tools and

e&ui#ment according to manufacturers9instructions"

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Date: 18 May 2015 Job/Activity: Demolition of Portions of the Building Interior ofNCDCP Regional (Ijevan) laboratory• +aintain safe clearance distances bet!een

overhead #o!er lines and any electrical conductingmaterial unless the #o!er lines have been de0

energi$ed and grounded, or !here insulatingbarriers have been installed to #revent #hysicalcontact'

• +aintain at least @2 feet (1 meters) from overhead

#o!er lines for voltages of 32 %M or less, and @2feet (1 meters) #lus 2'J inches (@'2 cm) for every @%M over 32 %M"

• Aem#orary lights shall not be sus#ended by their

electric cord unless designed for sus#ension' ightsshall be #rotected from accidental contact or

brea%age" and

• Protect all electrical e&ui#ment, tools, s!itches,

and outlets from environmental elements'

2ield Ergonomics and'anual (ifting

+anual ifting • Re#etitive motions"

• ifting and carrying items over long distances (@22feet) or on uneven, stee#, or slo#ed terrain"

• eavy lifting"

• 8se of vibrating tools or e&ui#ment" or

• Being in a static #osition for e4tended #eriods of

time"

• !or%ers must have training in #ro#er manual lifting

• 5hen #ossible, the tas% should be modied to

minimi$e manual lifting ha$ards or a!%!ard body#ositions"

• ifting occasional loads !eighing more than J2

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Date: 18 May 2015 Job/Activity: Demolition of Portions of the Building Interior ofNCDCP Regional (Ijevan) laboratory#ounds (@K %ilograms) should be evaluated by the

-C

• mechanical means used !here #ossible"

• Personnel shall see% assistance !hen #erforming

manual lifting tas%s that a##ear beyond their#hysical ca#abilities"

• 8sing mechanical lifting devices such as for%lifts"

cranes, hoists, and rigging"

• hand truc%s" and trolleys" is the #referred means of

lifting heavy objects"

• 5or% near elbo! height to avoid e4cessive bending

(avoid !or%ing above the shoulders and belo! the%nees)"

• Plan before carrying=

< 5ear a##ro#riate shoes to avoid sli#s, tri#s or falls< If you !ear gloves, !ear gloves that t' Aight0ttinggloves can #ut #ressure on the hands, !hile loose0tting gloves reduce gri# strength and #ose othersafety ha$ards'< ;void carrying large or bul%y loads that limit or

obstruct your vision< -lide, #ush, or roll instead of carrying !hena##ro#riate< 5hen there is a choice, #ush instead of #ull< Carry only as much as you can safely handle< Ary to avoid slo#es, stairs, or other obstacles thatma%e carrying materials more dicult< Be!are of and try to avoid sli##ery oors (e'g',li&uids, ice, oil, and ne #o!ders)< 8se e4tra caution !hen moving loads that may beunstable

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Date: 18 May 2015 Job/Activity: Demolition of Portions of the Building Interior ofNCDCP Regional (Ijevan) laboratory

ield /rgonomics

• In general, the follo!ing ste#s must be #racticed

!hen #lanning and #erforming manual lifts=

< /4amine the load and the surrounding area

< Bend %nees !hen lifting a load< oo% for!ard to %ee# bac% straight< Position the load close to the body< +aintain a rm gri# on the load< Aest the load for stability and !eight #rior to lifting< 8se smooth, controlled movements< :ee# arms in front of body< Aurn feet in direction of movement to avoid t!isting

• ;void carrying objects more than @22 feet"

• ;void re#etitive motions, overhead reaching, and

%neeling !hen #ossible"

• If #rolonged a!%!ard #ostures are unavoidable,

use a Hsu##orted #osture to com#ensate" asu##orted #osture uses #art of your body tosu##ort the !eight of another body segment that isin an a!%!ard #osition"

• 5atch your #aceattem#ting to do something

faster can cause you to lose #ro#er form"

• 8se a table or move !or% to a location !here you

don9t have to be in a bent0over #osition to do your!or%"

• 5here a!%!ard #ostures or re#etitive motions are

unavoidable, rotate !ith another !or%er, changetas%s, stretch, and ta%e short brea%s fre&uently'

2ire Etinguishers andGeneral 2ire Prevention

• ire e4tinguishers shall be #rovided so that thetravel distance from any !or% area to the nearest

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Date: 18 May 2015 Job/Activity: Demolition of Portions of the Building Interior ofNCDCP Regional (Ijevan) laboratoryPractices e4tinguisher is less than @22 feet (12'3 meters)'

5hen 3 gallons (@E liters) or more of a ammableor combustible li&uid is being used, an e4tinguishermust be !ithin 32 feet (@3'* meters)' /4tinguishersmust=

• be maintained in a fully charged and o#erable

condition"

• be visually ins#ected each month" and

• undergo a maintenance chec% each year'

• Ahe area in front of e4tinguishers must be %e#t

clear'

• Post H/4it signs over e4iting doors, and #ost Hire/4tinguisher signs over e4tinguisher locations'

• Combustible materials stored outside should be atleast @2 feet (1 meters) from any building'

• -olvent !aste and oily rags must be %e#t in a reresistant, covered container until removed from thesite'

• :ee# areas neat' ouse%ee#ing is im#ortant'

(ighting • ighting shall be evaluated !hen conducting !or%inside buildings, conned s#aces, or otherareas7instances !here su##lemental light may beneeded (e'g', !or% before sunrise or after sunset)'; light meter can be used to evaluate

• the ade&uacy of lighting' Ahe follo!ing are common

re&uirements for lighting and the conditions7ty#e of

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Date: 18 May 2015 Job/Activity: Demolition of Portions of the Building Interior ofNCDCP Regional (Ijevan) laboratory!or% being #erformed=

• 5hile !or% is in #rogress outside construction areas

shall have at least 11 lu4 (l4)"

• Construction !or% conducted inside buildings

should be #rovided !ith at least 33 lu4 light"

• Ahe means of egress shall be illuminated !ith

emergency and non0emergency lighting to #rovidea minimum @@ l4 measured at the oor' /gressillumination shall be arranged so that the failure ofany single lighting unit, including the burning out of an electric bulb !ill not leave any area in totaldar%ness

'inimum PPEe!uirements

• -afety glasses !ith side shields and face shield to#revent injury from !ood chi#s, sa!dust, or otherying objects"

• ard hat !ith #ro#erly tted sus#ension to #reventhead injury from falling debris"

• -teel0toed safety shoes or boots to #revent footinjury from falling objects and accidental contact!ith the moving chain"

• earing #rotection to #revent #ermanent damageto hearing' /ar mus or #lugs !ill have a decibelnoise reduction rating (NRR) assigned to them' Ahehigher the rating, the greater the #rotectionoered"

• Non0leather, fabric !or% gloves to #revent handinjury from abrasions, s#linters and cuts"

• Clothing that is !ell0tted and free of loose edges

that could become entangled in the sa!" and

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Date: 18 May 2015 Job/Activity: Demolition of Portions of the Building Interior ofNCDCP Regional (Ijevan) laboratory• Protective cha#s or leggings that cover the area

from the groin to about * inches (3'2K cm) abovethe an%les should be used' Ahese cha#s are madefrom synthetic fabrics that are designed to #reventthe running sa! chain from coming in contact !ithyour legs'

$rystalline SilicaEposure

(Reference C*+ I -.P -/03@@, Crystalline -ilica)

• ; bul% sam#le re#resentative of the material to be

demolished must be sent !ith the air monitoringsam#le media for analysis"

• Initial monitoring and #ersonal air sam#ling mustbe conducted to determine the #otential !or%ere4#osure to res#irable crystalline silica"

• Real0time #articulate monitors !ith a @2 micron

res#irable si$e fraction attachment may be used as#art of the initial and ongoing monitoring #lan toevaluate the #otential !or%er e4#osure' Ahis mustinclude an action level established by theircor#orate or site health and safety #rofessional andinclude actions re&uired (e'g', im#lementengineering, administrative controls, res#iratory#rotection)"

•

+aintaining surfaces as clean as #racticable tominimi$e accumulation of crystalline silicacontaining #articulate material"

• Clean surfaces !ith a /P;0lter vacuum or

e&uivalent method"

• Im#lement dust su##ression during demolition"

• Restricting access to the !or% area !here

crystalline silica e4#osure may e4ist to only those

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Date: 18 May 2015 Job/Activity: Demolition of Portions of the Building Interior ofNCDCP Regional (Ijevan) laboratoryauthori$ed to #erform !or% or enter the area"

• Do not eat, drin%, smo%e, che! tobacco or gum, or

a##ly cosmetics in these areas"

• Res#iratory #rotection and other e4#osure controls

selection shall be based on the most recente4#osure monitoring results obtained from thecom#etent #erson

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1.i"2e$t to be #e

(ist e*uiment t" $e used in the +"ra#ti!ity

I$#"ectio$ Re.ire2e$t#

(ist inse#ti"n re*uirements %"r the+"r a#ti!ity

Trai$i$3 Re.ire2e$t#

(ist trainin re*uirements in#ludin ha.ard #"mmuni#ati"n

• Hand and power tools

• Lifting equipment

• Dump truck

• Portable Ladder and

scaolding

• First Aid /CPR kit

• inimum required PP!

• Respirators"dust mask#

• !ngineering sur$e% s&all be

completed b% a competent person prior to start ofdemolition

• 'isual (nspections of

designated work areasidentif% and correct an%obser$ed &a)ardousconditions or actions*

• !quipment (nspection and

maintenance

• (nspection of power &andtools*

• +caolding/ladders

inspection s&all beconducted, prior to e$er%use*

• PP! s&all be inspectionduring mobili)ation*

• Re$iew AHA wit& all task personnel

• H-+ induction*

• Re$iew +ite +peci.c Healt& and +afet% Planfor new site personnel*

• Re$iew operations/safet% manuals for allequipment utili)ed*

• Lifting/dumping equipment operatorsquali.ed b% pre$ious training or eperience*

• Field !rgonomics and anual Lifting training

for new site personnel*

• Cr%stalline +ilica !posure &a)ard training for new site personnel

• +ite personnel will be pro$ided asbestos,lead0awareness training

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AHA - Ijevan NCDCP Interior Demolition