ORD 2267 i
ORDINANCE NO .
AN ORDINANCE adopting regulations pertaining to use ,
transportation , and storage of explosives within the City of Camas .
WHEREAS , the storage and use of explosives is an inherently dangerous activity that if
not conducted properly can result in injury to persons and property , and
WHEREAS , the State of Washington currently regulates the storage , transportation and
use of explosives , and
WHEREAS , RCW 70 . 74 . 201 authorizes local municipalities to adopt more restrictive
regulations than as provided under state law, and
WHEREAS , the Council of the City of Camas desires to adopt a regulation for the
storage , transportation , and use of explosives within the City of Camas ,
NOW , THEREFORE , THE COUNCIL OF THE CITY OF CAMAS DO ORDAIN AS
FOLLOWS :
Section I
Definitions Definitions Adoption byReferenceby Reference .
A . The definitions set forth in Section 296 - 52417 of the Washington Administrative
Code , and any amendments thereto , are hereby adopted by reference .
B . The definitions set forth in Uniform Fire Code Article 77 , Explosive Materials , and
any amendments thereto , are hereby adopted by reference .
C . The definitions set forth in National Fire Protection Association 495 , Explosive
Materials Code , and any amendments thereto , are hereby adopted by reference .
D . Whenever any conflict exists between definitions in the referenced Codes , the most
restrictive definition shall apply . Whenever any conflict exists between the substantive
provisions of this ordinance and those of the above - referenced Codes , the more restrictive
provision shall apply .
Section II
Permit Required .
( 1 ) No company or individual shall be in possession of explosive materials , or
conduct an operation or activity requiring the use of explosive materials , or
perform , order or supervise the loading and firing of explosive materials without a
current and valid blasting permit issued by the City .
( 2 ) Explosive materials shall not be transported , sold , given , delivered , or transferred
to anyone in the City not in possession of a valid blasting permit .
Page 2
Ordinance No .
( 3 ) A blasting permit is required for every individual pro) ect requiring blasting .
(4 ) A permit issued under this Chapter to any person, company or corporation is non-
transferable to any other person , company or corporation and shall be issued for a
period not to exceed 1 year ( 12 months from the date of issuance ) subject to
annual review for extensions .
( 5 ) All federal , state , county and city laws and regulations applicable to obtaining ,
owning , transporting , storing , handling , and using explosive materials shall be
followed and be a condition of all blasting permits issued by the City .
( 6 ) Blasting permits will be subject to review and approval by the Fire Chief and
Public Works Director , or their designees .
Section III
Application - Contents
The City shall have power and authority to issue a permit for blasting but before doing so
shall require the person, company or corporation to whom the permit is to be issued to file an
application , which shall include the following :
( 1 ) A completed application form provided by the City specifying the name and
address of the person , company or corporation applying for the permit , and the
name and address of the blaster or of the person who will actually supervise the
blasting ;
(2 ) A current and valid Certificate of Possession for Explosives issued by the
Washington State Fire Marshal ' s Y Of ice to one or more individuals employed in
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the work for which the blasting permit is sought �� - Shu E�4 7 ' r a
( 3 ) A transportation plan as hereinafter provided ;
(4 ) A blasting plan as hereinafter provided ;
( 5 ) A traffic control plan as hereinafter provided ;
( 6 ) A pre - blast notification plan as hereinafter provided .
Section Iv
Fee
( 1 ) A permit fee deposit , valid for a maximum 12 -month period , in the amount of
$ 250 . 00 will be assessed for each permit issued and extension thereafter .
(2 ) The philosophy underlying the charges imposed for blasting permits is designed to
lower the amount of property taxes used to process applications and permits , by
charging the cost and providing the service directly to the person utilizing the
service .
( 3 ) If the actual costs exceed the permit fee , the applicant will be notified and will
receive an invoice for the additional charges . That invoice must be paid within
ten ( 10 ) days of the date of notification or the City shall discontinue processing
the application or in the case of an already issued blasting permit , shall suspend
the effectiveness of the blasting permit until the invoice is paid in full . The City
shall not issue final approvals or building permits until all blasting fees including
additional charges are paid .
Ordinance No . s t _ Page 3
Section V
Liability Insurance Required
( 1 ) The City , before issuing a permit for blasting , shall require the person , company
or corporation to whom the permit is issued to execute and deliver a Certificate of
Liability insurance to include X , C , U coverage in a form to be approved by the
City in an amount not less than one million dollars ( $ 1 , 000 , 000 . 00 ) , or in such
additional amount as may be reasonable under all of the circumstances then
existing as determined by the City . The amount of insurance to be required shall
be increased proportionately based upon the proximity of the proposed blasting
site to utilities , infrastructure , residences , and other property that could be
damaged . The Certificate of Insurance shall state on its face that the underlying
liability insurance policy includes coverage for indemnification of the City, and
employees , specifically including the owners of any property from loss or damage
that might result from such blasting , and coverage to indemnify , hold harmless
and defend the City , its officers , agents , and employees in and from any cost ,
attorney ' s fees or i udgments incurred or rendered in any and all suits or actions
brought against it as a result in whole or in part from the blasting .
(2 ) The certificate shall also state that the insurance company must give the City a
minimum of 30 days notice of cancellation of the required liability insurance
coverage .
( 3 ) The City shall have the power and authority to limit the level of blasting and , after
examining all of the pertinent circumstances surrounding the proposed blasting , if
it is deemed to be in the public interest , may then refuse to issue such permit or , in
the case of a previously issued permit , may suspend or revoke said permit .
Section VI
Revocation
The City shall have the power to revoke any permit heretofore or hereafter issued under
the provisions of this chapter for failure to comply with any of the provisions of this chapter , or
for any other reasonable cause .
Section VII
Appeal of Denial or Revocation
Any person , company , or corporation who makes application for a permit to blast under
the terms of this chapter and whose application is denied by the City , or whose permit is
suspended or revoked by the City under the terms of this chapter may, within ten ( 10 ) days
thereafter , file notice of appeal to the City Council of the City, and with the City Clerk, and the
City Council shall within thirty ( 30 ) days thereafter grant a hearing to the appealing party .
Section VIII
City Not to Assume Liability
By the passage of the ordinance codified in this chapter or the issuance of any permit
under this chapter , the City assumes no responsibility for any damage caused by the person,
company or corporation blasting within the City .
Page 4
Ordinance No .
Section IX
Transportation of Explosives ( Transportation Plan)
A plan that addresses the transportation of explosive materials within the City must be
included with the application for a blasting permit . The transportation plan must detail the
following information :
( 1 ) Route used for deliveries and returns ;
(2 ) Hours of transportation ;
( 3 ) Maximum quantities of explosives being transported ;
( 4 ) Types of vehicles being used . Vehicles must comply with federal and state
transportation regulations for motor transport of explosive materials .
Section X
Storage of Explosives
( 1 ) No overnight storage of explosive materials is permitted within the City limits .
Blast holes loaded with explosives are to be shot on the day they are loaded .
( 2 ) The required method of handling explosives in the City is as follows :
( a) Delivery ;
(b ) Standby during loading ;
( c ) Return of all unused explosive materials used in blasting .
Section XI
Use of Explosives
( 1 ) Blasting Plan . A blasting plan for each discrete project requiring the use of
explosives shall be submitted to and approved by the City prior to the issuance of
a blasting permit . The plan shall be accompanied by additional documentation
( e . g . , maps , site plans and excavation drawings ) in order to detail the proposed
blasting operation . The plan shall include :
( a) The location where the blasting is to occur ;
(b ) The approximate total volume of material to be blasted ;
( c ) The incremental volumes , per blast , of material to be blasted ;
( d) The types and packaging of explosive materials to be used ;
( e ) The drill hole diameters , depths , patterns , sub - drilling depths and drill hole
orientations to be used ;
( f) The initiation system , the incremental delay times and the location of the
primers in the explosive column ;
( g ) The stemming depths and stemming material for the various estimated
depths of drill holes to be blasted ;
Ordinance No . � �.A Page 5
(h) The approximate powder factors anticipated ;
(i ) The fly rock control procedures and equipment , if any , to be used ;
(j ) The maximum number of blasts to be made in any one day ;
(k) The blast warning sound system and equipment to be used ;
( 1 ) The scheduled start date and finish date of blasting operations .
(2 ) Traffic Control Plan . A traffic control plan acceptable to the City detailing
signing , flagging , temporary road closures and detour routes for blasting
operations must be filed prior to the issuance of a blasting permit . If any road
closures are proposed , the traffic control plan must account for school bus
schedules and shall not delay school buses on regularly scheduled routes .
( 3 ) Pre - blast Not Plan . A plan outlining a program of pre - blast public
notifications , structural inspections and blast effect monitoring within a specified
distance of the blasting is required prior to the issuance of a blasting permit .
( a) The distances from the blasting within which the 1 ) notification , 2 ) pre -
blast structural inspection and 3 ) blast monitoring , are required shall be
determined by the scaled distance formulas set forth below . No blasting
will be permitted until the notification and inspection requirements are
completed .
I) Distance from the blast within which notification of all occupied structures is
required : Da= 901[w
II) Distance from the blast within which inspection of all occupied structures is
required : Db = 75 , rw
III) Distance from the blast within which monitoring of selected structures is required .
Dc = 601w
(b ) In the scaled distance formulas (noted above ) , Da , Lib , and Dc are the
actual distances in feet from the closest point in the blast . "dw" is the
square root of the maximum weight of the explosives in pounds detonated
with a minimum 8 millisecond separation from another detonation event in
a sequentially delayed blast .
( c ) Notification Letter . The pre - blast notification shall consist of a letter
advising all residents within a specified distance of the blasts of the
character and intent of the blasting program , its anticipated impact on local
residents , the proposed duration of blasting activities and providing
telephone numbers for public contact . Distribution of this notification
shall be made a minimum of 7 days prior to the start of blasting .
( d) Pre -blast Inspection . A pre - blast inspection of residents ' property shall be
offered to all residents within the specified distance of the blasting at the
permit holder ' s expense and done by a qualified third party who is not an
employee of the contractor . A copy of the individual inspection reports
and a log of all photos taken are to be provided to the City . Where
inspections are disallowed by the resident or not possible for other reasons ,
a certified letter shall be sent to the occupant/owner at the un - surveyed
address advising them of their right to a pre - blast inspection and the
possible consequences of denying an inspection .
( e) The pre - blast inspection program for residences within the specified
distance. shall be completed two days prior to the start of blasting with
Ordinance No . f. Page 6
notification to the Director of Public Works and Fire Chief, or their
designees .
(4 ) Blast Plan Compliance Inspections . Blast plan compliance inspections are
required for every blast until the operator can demonstrate an ability to safely blast
in conformance to the blast plan and control the extraneous effects of blasting
such as fly- rock , noise/air blast , and ground vibration . If more than two blasting
inspections are required , an additional fee of one thousand dollars ( $ 1 , 000 . 00 ) per
blast will be assessed .
( 5 ) Post- blast Inspection . A building owner may request an inspection of their
property if, following a blast , they feel damage has occurred to their property
because of blasting . This request may be made regardless of scaled distance
formula criteria given in Section XI ( 3 ) . This inspection is to be made by an
operator ' s representative within 15 days of the request . If no agreement is
arrived at between the operator and property owner , the permitting jurisdiction ,
upon request by the operator or the property owner , shall arrange to have a
qualified third party do an inspection and submit a timely report to all parties
concerned . The cost of the inspection will be borne equally between the affected
party and blasting contractor . The report will be provided to both parties and the
City .
( 6 ) Monitoring . All blasts are to be monitored using blast-monitoring equipment
designed for that purpose and carrying a certificate of calibration dated within the
current calendar year . The blast monitors shall record peak particle velocity and
frequency in three orthogonal directions and air over pressure in dBL . For shots
in which the pounds detonated per 8 - millisecond time increment are less than 10
pounds , 1 blast monitor is required . When 10 or more pounds is detonated per 8 -
millisecond time interval , 2 blast monitors are required . All blast-monitoring
records are to be signed and submitted to the City within 24 hours of each blast .
( 7 ) Maximum Peak Particle Velocity . The maximum peak particle velocity in any
seismic trace at the dominant frequency to be allowed on any residential , business
or public structure . The following chart has been modified from the US
Department of the Interior Blasting Guidance Manual 8507 . In this chart ,
" Category I " is for use by operations using explosives on a continuing basis , i . e . ,
mining , quarrying , or any blasting that is required for more than 30 days duration .
" Category II " is for operations using explosives on a transient or short-term basis ,
i . e . , less than 3 0 days in any area, such as utility trenching , road grading or site
grading .
[Attach chart]
( 8 ) Air Blast . The maximum air blast over pressure permitted at the closest
residential , business or public structure designed for human occupancy is not to
exceed 133 dBL @2 . 0 Hz hi pass system per the USMB RI 8485 .
( 9 ) Utilities . Whenever blasting is being conducted in close proximity to or under
existing utilities , the utility owner shall be notified a minimum of 24 hours in
advance of blasting .
( 10 ) Shot Report . A signed shot report on a form approved by the Fire Chief, Public
Works Director , or their designee is to be filed with the City within 24 hours of
making the blast . The report shall include the following blast information .
(a) Date , time , and location of shot ;
(b ) Number of drill holes ;
Ordinance No . Page 7
(c ) Maximum , minimum and average drill hole depth ;
( d) Drill hole diameter ;
(e ) Sub - drill depth ;
( f) Total pounds of each type of explosive used ;
( g) A drill hole section schematic showing the loading of a typical hole ;
(h) Amount and type of stemming material ;
( i ) Schematic showing drill hole pattern ;
(j ) Initiation delay sequence ;
(k) Maximum pounds of explosives detonated in any 8 millisecond time
interval ;
( 1 ) Type and size of any fly- rock protection devices used if any ;
(m) Comments regarding the outcomes of the blast .
( 11 ) The City shall be notified : ( 1 ) immediately of any blasting accident , and (2 ) within
24 hours by the permittee of any incident , damage claim or neighbor annoyance
report brought to the permittee ' s attention .
Section XII
Penalties
Any person violating any provision of this ordinance shall be guilty of a gross
misdemeanor , and upon conviction thereof shall be punished by imprisonment for a maximum
term of not more than one year or by a fine in an amount of not more than $ 5 , 000 . 00 , or by both
such imprisonment and fine . A person shall be guilty of separate offenses for each and every day
during which any violation of the provisions of this ordinance is committed .
Section XIII
Severability
If any section , subsection , sentence clause or phrase of this ordinance is for any reason
held to be invalid or unconstitutional , such decision shall not affect the validity of the remaining
portions of this ordinance .
Section XIV
This ordinance is necessary for the preservation of the health, peace and safety of the
citizens of the City of Camas , and shall therefore be in full force and effect on the date of its
passage .
PASSED by the Council and APPROVED by the Mayor this day of
2000 .r T
.
SIGNED . '�// F rA,.
M
y
ATTEST :
r1 t ,
Clerk
APP >VEaform .
;r' City Attorney
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BLAST VIBRATION FREQUENCY (11z)
( Source : U . S . Dept . of the Interior - Blasting Guidance Manual 8507 )
15 . 40 . 030 Application- - Contents . http : /ibpc . iserver . net/codes / camas/_DATA/TITLEI5 / Chapter_ 15 _4 . 6C
Title 16 BUILDINGS AND CONSTRUCTION
Chapter 16 . 40 EXPLOSIVE MATERIALS
................................ ........ ........................_._...._..._.. ... _........_................. ..... ......................................_.-........-.._......-......................................-.... ..... ....... ..... ... . . . .... . ..
_ . .. . .......... .......... ... ........._..... ...._... ...... ...................__...._....._..............._.....................................__..._.-.........._...._..-.-..-....__...................._...__....--.....-.-.... .........................._..._...................-.._..-......_..._............ .............. . _ ._ .
15 . 40 . 030 ApplicationwwContents .
The city shall have power and authority to issue a permit for blasting but before doing so shall require the
person , company or corporation to whom the permit is to be issued to file an application , which shall include
the following :
A . A completed application form provide by the city specifying the name and address of the person , company
or corporation applying for the permit , and the name and address of the blaster or of the person who will
actually supervise the blasting ;
B . A current and valid Certificate of Possession for Explosives issued by the Washington State Fire
Marshal ' s Office to one or more individuals employed in the work for which the blasting permit is sought ;
C . A transportation plan as hereinafter provided ;
D . A blasting plan as hereinafter provided ;
E . A traffic control plan as hereinafter provided ;
F . A pre - blast notification plan as hereinafter provided . ( Ord . 2267 § 3 , 2000 )
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