Standard Specifications Public Works Projects
Transcript of Standard Specifications Public Works Projects
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STANDARD SPECIFICATIONS
FOR THE CONSTRUCTION OF
PUBLIC WORKS PROJECTS
CITY OF BIRMINGHAM
DEPARTMENT OF PLANNING, ENGINEERING AND PERMITS
BIRMINGHAM, ALABAMA
2005
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Secti! Tit"e
CONTENTS
Secti! N#$%e&
Definitions10
Clearing and Grubbing20
Excavation and Embankment21
Sanitary Seers22
Storm Seers2!
"an#oles and $nlets2%
Encasement &i'e25
(ideo &i'e $ns'ection2)
Subgrade2*
Crus#ed Stone +ase2,
-s'#alt2.
"illing!0
Structural Concrete!1
Steel /einforcing!2
Concrete Ste's!!
Sidealk and #eelc#air /am's!%
Concrete &aving!5
Curb and Gutter!)
Ground &re'aration and ertilier!*
3o'soil!,
Sod!.
Seeding%0
"ulc#ing%1
&lant "aterials%2
ater "eter reset%!
Co''er &i'e%%
Erosion Control%5
/i'ra'%)
C#ain4ink ence%*
ence /eset%,
Guardrail%.
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Secti! Tit"e
CONTENTS
Secti! N#$%e&
"ailboxes /eset50
6ard ig#t /eset51
&olice &atrol 3ime52
3raffic Control5!
Electrical5%
andsca'e "aintenance55
$rrigation5)
"asonry &aving5*
Joint iller7 Caulking and Sealants5,
"embrane ater'roofing5.
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SECTION '0 ( DEFINITIONS
'0)' De*i!iti!+)
a8 #enever in t#e s'ecifications or in any documents or instruments in construction o'erations #ere t#ese
s'ecifications govern t#e folloing terms 9or 'ronouns in 'lace of t#em8 are used7 t#e meaning and intent
s#all be inter'reted as follos:
-++/E($-3$;3; -merican -ssociation of State >ig#ay and 3rans'ortation ;fficials
-DE" -labama De'artment of Environmental "anagement
-$- -merican $nstitute of -rc#itects -D;3
-labama De'artment of 3rans'ortation
-ealt# -dministration
SS&C4S& Steel Structures &aint Council 4 Surface &re'aration
-DD$3$(E= - substance or agent added in small amounts to a basic ingredient of a mixture 'rior to mixing=
+-C@$= "aterial used to re'lace or t#e act of re'lacing material removed during constructionA may also
denote material 'laced or t#e act of re'lacing material adBacent to structures=
+-SE= 3#e layer or layers of s'ecified materials of designated t#ickness 'laced on a subbase or substrate to
su''ort a 'avement or surface=
+$
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E&-$G>-67 S3/EE3 ;/ /;-D= - general term denoting a 'ublic ay for 'ur'oses of ve#icular travel7
including t#e entire area it#in t#e rig#t of ay=
$< &-CE= - term to denote t#at t#e unit 'rice covers com'ensation for t#e item com'lete in 'lace includingall cost incidental to 'rocurement7 #andling7 #auling and 'rocessing t#e item 9including ater8 as reFuired=
3#eitem s#all be measured and 'aid for in t#e manner described in t#e s'ecifications for t#at item=
J;$
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/$G>34;4-6= - general term denoting land7 'ro'erty7 or interest t#erein7 usually in a stri'7 acFuired for
or devoted to trans'ortation 'ur'oses=
/;-D+ED= 3#e graded 'ortion of a #ig#ay 're'ared as a foundation for t#e 'avement structure and
s#oulder= 3#e to' surface of t#e roadbed is t#e subgrade=
S$DE-@= 3#at 'ortion of t#e roaday 'rimarily constructed for t#e use of 'edestrians=
S;D= - 'articular turf s'ecies=
S3/?C3?/ES= +ridges7 culverts7 basins7 inlets7 retaining alls7 man#oles7 seers7 and ot#er features t#at
may be encountered in t#e ork and not ot#erise classed #erein=
S?++-SE= - layer or layers of s'ecified or selected material or design t#ickness 'laced on a subgrade to
su''ort a base or rigid'avement=
S?+G/-DE= 3#e to' surface of t#e roadbed=
S?/-CE= ;ne or more layers of a material designed to accommodate t#e traffic load7 t#e to' layer of #ic#
resists skidding7 traffic abrasion7 and t#e disintegrating effects of climate= 3#e to' layer is generally called t#eearing layer and t#e loer layer t#e binder layer=
3-C@ C;-3= -n a''lication of bituminous material to an existing surface to 'rovide bond it# a
su'erim'osed course=
36&$C- SEC3$;
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SECTION 20 ( CLEARING AND GRUBBING
20)' De+c&iti!) 3#e ork s'ecified in t#is section includes clearing7 or clearing and grubbing7 removing
and dis'osing of all vegetation and debris7 exce't suc# obBects t#at are designated to remain it#in t#e limits
designated in t#e contract or as reFuired by t#e Engineer= 3#is ork also includes 'reventing inBury or
defacement to vegetation and obBects designated to remain=
20)2 C!+tcti! Re-#i&e$e!t+ )
a8 General=
i8 3#e Engineer s#all stake out on t#e ground t#e areas noted in t#e contract to be cleared7 or
cleared and grubbed= -ny damage to natural terrain7 vegetation7 trees or obBects designated to
remain s#all be re'aired7 re'laced or ot#er com'ensation made7 as determined by t#e Engineer7 by
t#e Contractor it#out additional com'ensation=
ii8 ;rnamental trees7 cultivated s#rubs and similar grot# #ic# occu'y 'ublic rig#ts4of4ay or
easements but #ic# lie outside t#e limits of construction s#all remain undisturbed and s#allbe
carefully 'reserved and 'rotected by t#e Contractor t#roug#out all stages of t#e ork= $n t#e case
#ere t#is ty'e of grot# exists it#in t#e limits of construction7 t#e Contractor s#all contact t#e'ro'erty oner relative to salvaging t#e grot#=
iii8 ?nless ot#erise included in t#e contract7 t#e removal7 relocation or adBustment of existing
structures and utilities reFuired to 'ermit orderly 'rogress of t#e ork s#all be accom'lis#ed by
ot#ers= #enever a utility 'ole7 'i'eline7 conduit7 seer7 roaday or ot#er utility is encountered
and must be removed7 relocated or adBusted7 t#e Contractor s#all notify t#e res'onsible local
aut#ority or oner and attem't to secure 'rom't action=
iv8 -ny blasting necessary to com'lete t#e ork s#all be done in accordance it# 3itle %7 C#a'ter 17
-rticle D of t#e +eneral City Co%e and any ot#er a''licable federal7 state and local regulations7 las
and ordinances= 3#e Contractor s#all exercise t#e utmost care not to endanger life and 'ro'erty= -ny
claims of damage as a result of t#e blasting o'eration s#all be t#e Contractors res'onsibility= 3#e
Contractor s#all be res'onsible for obtaining a City of +irming#am ,lasting 'ermit 'rior tocommencing it# anyblasting=
v8 3#e Contractor s#all be res'onsible for ork done under t#is section by any subcontractor
em'loyed by #im=
b8 Clearing=
i8 3#e designated areas s#all be cleared of all surface obBects7 trees t#at #ave been identified to be
removed7 stum's7 roots and ot#er obBectionable obstructions resting on or 'rotruding t#roug# t#e
surface of t#e original ground=
ii8 -reas outside of t#e clearing limits s#all be 'rotected from damage=
c8 Clearing and Grubbing=
i8 3#e designated areas s#all be cleared and grubbed of all trees identified to be removed7 stum's7
roots7 buried logs7 brus#7 grass7 rubbis# of any nature and ot#er obBectionable matter on or
'rotruding t#roug# t#e ground surface=
ii8 -ll #oles remaining after t#e stum' removal and grubbing o'eration s#all be filled it#
acce'table material and 'ro'erly com'acted and s#a'ed so as not to 'revent t#e natural drainage
of ater from t#e area=
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iii8 -ll fill areas s#all be grubbed to a de't# at least one 918 foot belo t#e natural ground surface=
iv8 -reas outside of t#e clearing and grubbing limits s#all be 'rotected from damage=
d8 Dis'osal of "aterials=
i8 3#e Contractor s#all submit a 'lan 'roviding for t#e dis'osal of materials and debris from t#e
clearing7 or clearing and grubbing7 o'eration to t#e Engineer for a''roval 'rior to beginning ork=
3#e 'lan s#all conform to all a''licable federal7 state and local las7 regulations and ordinances=
ii8 $f t#e Contractor elects to dis'ose of materials and debris outside of t#e 'roBect limits7 #e s#all
obtain and file it# t#e Engineer ritten 'ermission from t#e 'ro'erty oner for t#e use of'rivate
'ro'erty for t#is 'ur'ose 'rior to beginning any ork= 3#ere s#all be no additional com'ensation
for material and debris so dis'osed=
iii8 +urning as a met#od of dis'osal of materials and debris s#all be evaluated on a 'roBect4by4
'roBect basis by t#e Engineer= 3#e Contractor s#all com'ly it# al l federal7 state and local las7
regulation and ordinances 'ertaining toburning=
iv8 3#e manner and location of dis'osal of materials and debris s#all not create an unsig#tly or
obBectionable vie nor s#all it create a future maintenance 'roblem for t#e City of +irming#am or'ro'erty oner=
20). Met/ * Me1+#&e$e!t)
a8 General= 3#e Fuantities of clearing7 or clearing and grubbing7 as indicated by t#e limits s#on in t#e
contract or as ordered by t#e Engineer s#all be cited in terms of t#e number of acres7 or fractions t#ereof7 of
land s'ecifically cleared7 or cleared and grubbed7 unless a lum' 4sum bid is s'ecified in t#e contract=
b8 &artial &ayment=
i8 $f +id in -cres= 3#e number of acres or fraction t#ereof cleared7 or cleared and grubbed7 eac# 'ay
'eriod ork is 'erformed on t#is item s#all be multi'lied by t#e unit 'rice bid 'er acre for clearing7
or clearing and grubbing=
ii8 $f +id um' Sum= 3#e estimated 'ercentage of t#e total area cleared7 or cleared and grubbed7 eac#
'ay 'eriod s#all be multi'lied by t#e unit 'rice bid for t#is item= 3#ese 'ercentage 'ayments s#allbe
made eac# 'ay 'eriod ork is 'erformed on t#is item until t#e entire 'roBect #as been cleared7 or
cleared and grubbed=
20) B1+i+ * P13$e!t)
a8 ?nit &rice Coverage=
i8 -cce'ted clearing and grubbing s#all be 'aid for at t#e 'er acre 'rice bid in t#e contract7 unless
bid lum' sum7 for t#e designated areas and suc# bid7 #et#er 'er acre or lum' sum7 s#all be full
com'ensation for furnis#ing all materials7 eFui'ment7 tools7 labor and incidentals necessary to
com'lete and maintain t#e ork until final acce'tance of t#e 'roBect=
ii8 $n case c#anges in location7 rig#t of ay or easement areas result in c#anges in designated areas
from t#ose s#on in t#e contract7 a 'ro'ortionate increase or decrease in 'ayment s#all be made=
b8 Exclusions=
i8 #en no item is 'rovided7 t#e ork under t#is section s#all not be 'aid for directly but s#allbe
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considered incidental to t#e overall ork7 t#e cost of #ic# being included in ot#er items of ork=
ii8 3#is exclusion s#all not a''ly to t#e removal of trees if an item for tree removal is included in
t#e contract=
END OF SECTION
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SECTION 2' ( E4CAATION AND EMBANKMENT
2')' De+c&iti!) 3#e ork s'ecified in t#is section includes t#e excavation7 #auling7 com'action andor
dis'osal of all material7 not ot#erise being removed and 'aid for under anot#er item of ork7 #ic# is
encountered it#in t#e limits of t#e ork7 and is necessary for all construction in accordance it# t#ese
s'ecifications and in close conformity it# t#e lines7 grades7 t#ickness and ty'ical cross4section s#on in
t#e contract or establis#ed by t#e Engineer= -ll excavation covered in t#is section s#all be classified eit#er asUnclassifie% E-cavation7,orrow7 orRoc. E-cavation / Pi&e Trench Only=
2')02 M1te&i1"+)
a8 Unclassifie% E-cavation s#all consist of t#e excavation7 dis'osal or 'lacement in embankments of all
materials of #atever c#aracter encountered in t#e ork including7 but not limited to7 soil7 rock7 concrete
'aving7 streetcar tracks7 cobblestone7 as'#alt 'aving7 concrete7 etc=
b8,orrow s#all consist of a''roved material reFuired for t#e construction of embankment7 or for ot#er
'ortions of t#e ork7 in excess of t#e Fuantity of usable material available from reFuired excavations on t#e
'roBect=
c8Roc. E-cavation / Pi&e Trench Only=
i8 /ock excavation s#all include t#e removal of sound7 solid rock #ic# occurs in its original
'osition it#in t#e excavation 'ay limits and #ic# is of suc# #ardness or texture t#at7 in t#e
o'inion of t#e Engineer7 it cannot be loosened or broken don and removed it# conventional
soilexcavating eFui'ment= 3#e removal of boulders7 'ieces of stone and old masonry masses one
cubic 918 yard or larger in volume s#all be classified asRoc. E-cavation / Pi&e Trench Only=
ii8 3#e removal of #ard'an7 c#ert7 clay7 soft or disintegrated s#ale7 and ot#er like materials7 and
boulders less t#an one 918 cubic yard in volume s#all not be classified as Roc. E-cavation /Pi&e
Trench Only alt#oug# t#e Contractor may elect to remove suc# material by drilling andblasting
met#ods=
2')0. C!+tcti! Re-#i&e$e!t+)
a8 General=
i8 &rior to beginning excavation and embankment o'erations in any area7 all reFuired clearing and
grubbing of t#e area s#ould #ave been com'leted in accordance it# t#e reFuirements of Section
20=
ii8 3#e excavation and embankment for t#e ork s#all be constructed and maintained so as to
'ro'erly drain and #ave reasonably smoot# and uniform surfaces= 3#e final elevation s#all be in
conformity to t#at s#on in t#e contract or as a''roved by t#e Engineer=
iii8 3#e Contractor s#all take adeFuate ste's to minimie soil erosion from t#e Bob site= S'ecial
attention is directed to Section %5 of t#ese s'ecifications=
iv8
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vii8 C#oice of eFui'ment to 'erform t#e ork s#all be t#at of t#e Contractor= 3#e ty'e and number
of units s#all be adeFuate to 'erform t#e excavation and embankment o'erations in conformity
it#t#e contract and to obtain t#e reFuired com'action= Su''lemental eFui'ment s#all be
furnis#edby t#e Contractor as necessary to kee' t#e ork 'ro'erly s#a'ed7 it#out additional
com'ensation=
viii= -ll #auling s#all be considered a necessary and incidental 'art of t#e ork=
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9!8
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t#e dee'est 'ortion of t#e fill= -s 'lacement 'rogresses7 layers s#all be constructed
a''roximately 'arallel to t#e finis#ed grade line=
928 Eac# layer s#all be com'acted to ninety4five 9.58 'ercent of t#e --S>3; 3..
maximum dry density= 3#e material in eac# layer s#all be it#in 'lus or minus t#ree 9!8
'ercent of t#e o'timum moisture content7 as determined from t#e --S>3; 3.. density
test7 to obtain t#e 'rescribed com'action=
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embankment material=
9108 #en ne embankment is to be 'laced against an existing slo'e of %:1 or flatter7 t#e
slo'e s#all be scarified to a de't# of six 9)8 inc#es to 'rovide a bond beteen t#e ne
embankment and t#e existing surface=
2')0 Met/ * Me1+#&e$e!t)
a8 "easurement for all acce'ted unclassified excavation s#all be by t#e cubic yard of t#e material in its
original 'osition com'uted from cross4sections by t#e -verage4End4-rea met#od=
b8 "easurement for borro s#all be by t#e cubic yard of t#e material in 'lace7 as indicated by t#e cross4
sections7 com'uted from t#e cross4sections by t#e -verage4End4-rea met#od=
c8 Embankment s#all not be measured for'ayment=
d8 "easurement for rock excavation s#all be by t#e cubic yard of t#e material removed from 'i'e trenc#es
only unless an item for rock excavation in areas ot#er t#an 'i'e trenc#es is included in t#e contract=
2')05 B1+i+ * P13$e!t)
a8 ?nit &rice Coverage=
i8 ?nclassified Excavation= 3#e acce'ted yardage of unclassified excavation7 measured as'rovided
above7 s#all be 'aid for at t#e unit 'rice bid 'er cubic yard7 #ic# 'rice s#all be 'ayment in full for
furnis#ing all materials7 labor7 eFui'ment7 tools and incidentals necessary to com'lete t#e item=
ii8 +orro= 3#e acce'ted yardage of borro material7 measured as 'rovided above7 s#all be 'aid for
at t#e unit 'rice bid 'er cubic yard7 #ic# 'rice s#all be 'ayment in full for furnis#ing all materials7
labor7 eFui'ment7 tools and incidentals necessary to com'lete t#e item=
iii8 /ock Excavation 4 &i'e 3renc# ;nly= 3#e acce'ted yardage of rock excavation7 measured as
'rovided above7 s#all be 'aid at t#e unit 'rice bid 'er cubic yard7 #ic# 'rice s#all be 'ayment in full
for furnis#ing all materials7 labor7 eFui'ment7 tools and incidentals necessary to com'lete t#e item=
iv8 Embankment= 3#ere s#all be no direct 'ayment for embankment= -ll of t#e o'erations reFuired
for embankment formation described 'reviously s#all be considered necessary ork incidental to
and for #ic# com'ensation is included in t#e unit 'rices for t#e 'ay items of t#e materials
com'osing t#e embankment=
b8 Exce'tions=
i8 $f no item for unclassified excavation or borro a''ears in t#e contract7 it s#all be understood
t#at t#e 'rice for t#is ork s#all be included in t#e 'rices bid for ot#er items of t#e contract=
ii8 $f no item for rock excavation a''ears in t#e contract and rock excavation is necessary7 t#en
rock excavation s#all be 'aid for at a 'rice agreed u'on7 in riting7 by t#e Engineer and t#e
Contractor=
END OF SECTION
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SECTION 22 ( SANITARY SEWERS
22)0' De+c&iti!) 3#e ork included in t#ese s'ecifications s#all consist of furnis#ing and installing sanitary
seers at t#e locations and to t#e establis#ed lines and grades s#on in t#e contract or as designated by t#e
Engineer=
22)02 M1te&i1"+ ( -ll materials s#all conform to t#e reFuirements of t#e Jefferson County EnvironmentalServices De'artmentHs $tan%ar%s for Construction of Commercial an% Resi%ential $anitary $ewer $ystems7
latest edition=
22)0. C!+tcti! Re-#i&e$e!t+)
a8 -ll construction s#all conform to t#e reFuirements of t#e Jefferson County Environmental Services
De'artmentHs $tan%ar%s for Construction of Commercial an% Resi%ential $anitary $ewer $ystems 7 latest
edition=
b8 -ll streets7 sidealks7 crossings7 fire #ydrants7 ater valves7 fire alarm boxes and ot#er similar 'ublic
utilities s#all be ke't o'en or accessible for t#eir intended use unless ot#erise a''roved by t#e Engineer=
c8 Stream7 railroad7 and #ig#ay crossings s#all be considered as an incidental 'art of t#e ork included in t#eunit 'rices for t#e various sies and de't#s of seers unless s'ecific designs are s#on in t#e contract7 and
unit 'rices for suc# crossings are included in t#e contract=
d8 3#e removal of existing seers7 man#oles and ot#er structures as s#on in t#e contract or as directed by
t#e Engineer s#all be considered as an incidental 'art of t#e ork and no s'ecific 'ayment t#erefor s#all be
alloed=
22)0 Met/ * Me1+#&e$e!t)
a8 -s'#alt binder and seal s#all be measured in tons= &ay limits s#all be as s#on on t#e standard draing=
b8 Connecting risers and #ouse service lines s#all be measured in linear feet along t#e centerline7 com'lete in
'lace=
c8 Concrete 'avement s#all be measured in sFuare yards for t#e t#ickness s'ecified in t#e contract=
d8 Concrete 'i'e collars7 as s'ecified in t#e contract7 s#all not be 'aid as a se'arate item=
e8 Concrete encasement or 'rotection7 as s'ecified in t#e contract7 s#all be 'aid as Class , Concrete 'er cubic
yard as s#on on t#e details=
f8 /ock excavation s#all be measured along t#e 'i'e centerline it#in t#e s'ecified #oriontal limits and
vertically to t#e bottom of t#e trenc# or bottom of rock= De't# of trenc# s#all include t#e bedding under t#e
'i'e=
g8 Electronic markers s#all be measured 'er eac#7 com'lete in 'lace7 for 'ayment=
#8 oundation backfill and s'ecial stone aggregate backfill s#all be measured in cubic yards according to t#e
'ay limits s#on in t#e contract=
i8 Sanitary man#oles s#all be measured 'er eac# for eac# de't# division s'ecified in t#e contract 9i=e=7 04)7 )4,7
etc=8=
B8 Seeding7 in4kind or seasonal7 s#all be measured in sFuare yards over t#e area actually seeded=
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k8 Seer 'i'e= 3#e actual acce'ted lengt# of sanitary seer 'i'e laid as directed for eac# de't# division s#all
be measured in linear feet along t#e centerline of t#e 'i'e7 com'lete in 'lace7 it# no deductions for
man#oles7 yes or tees= De't# of seers s#all be measured from t#e original ground surface to t#e 'i'e invert=
l8 yes and 3ees s#all be measured 'er eac#7 com'lete in 'lace including sto''ers7 for 'ayment=
22)05 B1+i+ * P13$e!t
a8 ?nit &rice Coverage=
i8 Clean ?'= 3#ere s#all be no direct 'ayment for clean u'=
ii8 Connecting /isers and >ouse Service ines= 3#e acce'ted lengt# of connecting risers andor #ouse
service lines laid com'lete7 in 'lace7 and measured as noted above s#all be 'aid for at t#e unit 'rice
for01 #aterals'er linear foot 9lf8 it# t#e ty'e of 'i'e s'ecified in t#e contract #ic# s#allbe
'ayment in full for furnis#ing7 #auling7 excavating7 foundation 're'aration7 laying7backfilling7
com'acting7 clean4u' and for all materials7 including all fittings reFuired7 eFui'ment7 tools7 labor and
incidentals necessary to com'lete t#e ork=
iii8 Concrete &i'e Collars= 3#e cost of concrete collars s#all be included in t#e cost of t#e 'i'e=>oever7 concrete encasement or 'rotection s#all be 'aid as Class , Concrete 'er cubic yard as
s#on on t#e details=
iv8 Electronic "arkers= 3#e actual number of electronic markers7 measured as noted above7 s#allbe
'aid for at t#e unit 'rice for electronic markers #ic# s#all be 'ayment in full for all materials7 tools7
labor7 eFui'ment and incidentals necessary to com'lete t#e ork=
v8 oundation backfill and s'ecial stone aggregate backfill s#all be 'aid for as Crushe% $tone
,ac.fill'er cubic yard 9cy8 #ic# s#all be 'ayment in full for furnis#ing all materials7 eFui'ment7
tools7 labor and incidentals necessary to com'lete t#e ork=
vi8 "an#oles s#all be 'aid as $anitary Manholes 2%e&th3 'er eac# at t#e de't# division s'ecified in
t#econtract 9i=e=7 04)7 )4,7 etc=8= 3#e 'rice bid for man#oles s#all include t#e frame and cover7 ands#all be 'ayment in full for furnis#ing all material7 eFui'ment7 tools7 labor and incidentals necessary
to com'lete t#e ork= atertig#t man#ole covers s#all be 'aid as "atertight Manhole 4rame an%
Cover 2Cost Over $tan%ar%3 'er eac#=
vii8 /e'lacement &aving=
918 $f t#e material used to re'lace a 'avement is as'#alt7 it s#all be 'aid for as s&halt
,in%er andors&halt $eal Ty&e N$('er ton7 at t#e res'ective unit 'rice #ic# s#all be
'ayment in full for furnis#ing all material7 eFui'ment7 tools7 labor and incidentals necessary
to re'lace t#e 'avement it# t#e s'ecified material= &ay limits s#all be as s#on on t#e
detail=
928 $f t#e material used to re'lace a 'avement is concrete7 t#e actual number of sFuareyards7 at t#e t#ickness s#on on t#e detail or ot#erise s'ecified7 s#all be 'aid for at t#e
res'ective unit 'rice #ic# s#all be 'ayment in full for furnis#ing all material7 eFui'ment7
tools7 labor and incidentals necessary to re'lace t#e 'avement it# t#e s'ecified material=
&ay limits s#all be as s#on on t#e detail=
viii8 /ock Excavation= 3#e acce'ted number of cubic yards of rock excavation s#all be 'aid asRoc.
E-cavation / Pi&e Trench Only'er cubic yard #ic# s#all be 'ayment in full for furnis#ing all
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materials7 eFui'ment7 tools7 labor and incidentals necessary to com'lete t#e ork= &ay limits s#all be
as s#on on t#e detail=
ix8 Seeding s#all be 'aid as $ee%ing/In 5in%'er sFuare yard or $easonal $ee%ing 'er sFuare yard
as s#on in t#e contract #ic# s#all be 'ayment in full for all materials7 tools7 labor7 eFui'ment and
incidentals necessary to com'lete t#e ork=
x8 Seer &i'e= 3#e acce'ted lengt# of sanitary seer 'i'e laid com'lete in 'lace measured as noted
above s#all be 'aid for at t#e res'ective unit 'rice for t#e kinds7 sies and de't#s s'ecified in t#e
contract including t#e excavation and backfilling to t#e de't# s'ecified7 #ic# s#all be 'ayment in
full for furnis#ing7 #auling7 excavating7 foundation 're'aration7 laying7 backfilling7 com'acting7
clean4u' and for all materials7 eFui'ment7 tools7 labor and incidentals necessary to com'lete t#e
ork=
xi8 yes and 3ees= 3#e acce'ted number of yes and tees7 including sto''ers7 s#all be 'aid for at
t#e unit 'rice for t#e kinds and sies s'ecified in t#e contract #ic# s#all be 'ayment in full for
furnis#ing all materials7 eFui'ment7 tools7 labor and incidentals necessary to com'lete t#e ork= $f
t#ere is no item in t#e contract for yes and tees t#e cost of furnis#ing and installing t#em s#allbe
included in t#e 'rice bid for seer 'i'e=
END OF SECTION
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SECTION 2. ( STORM SEWERS
2.)0' De+c&iti!) 3#e ork s'ecified in t#is section includes furnis#ing and installing storm seers at t#e
locations and to t#e establis#ed lines and grades s#on in t#e contract or as designated by t#e Engineer=
2.)02 M1te&i1"+)
a8 /einforced Concrete &i'e 9/C&8=
i8 /einforced concrete 'i'e7 circular or arc#7 s#all conform to t#e reFuirements of -S3" C*) and
C50)7 res'ectively =
ii8 Standard strengt# 'i'e s#all be Class $$$7 all + or greater=
iii8 Extra strengt# 'i'e s#all be Class $( or (7 as s#on in t#e contract7 all +=
iv8 3#e concrete used in t#e manufacture of t#e 'i'e s#all #ave a com'ressive strengt# of not less
t#an four t#ousand 9%0008 'si= 3#e absor'tion s#all not exceed eig#t and one4#alf 'ercent 9,I8=
v8 "aterials used in t#e manufacture of concrete 'i'e s#all com'ly it# t#e folloing -S3"s'ecifications:
918 &ortland cement 7 3y'e $$ 4 C150=
928 -ggregates 4 C!!7 exce't t#at t#e coarse aggregates s#all be crus#ed limestone=
9!8 /einforcement s#all consist of ire 'er -S3" -,2 or -%.)7 elded ire fabric 'er
-S3" -1,5 or -%.*7 or Grade %0 steel bars 'er -S3" -)15=
vi8 Concrete 'i'e s#all be cast in lengt#s of not less t#an four 9%8 feet for use in storm seers=
vii8 &i'e Boints s#all be standard bell and s'igot or tongue and groove ty'eBoints=
viii8 S'ecial &ieces= -ny s'ecial 'ieces of 'i'e reFuired7 suc# as bends7 s#all be manufactured or
fabricated by t#e 'i'e manufacturer and meet t#e reFuirements of -S3" 2),0=
ix8 &i'e abeling Date 4 Eac# Boint or 'i'e s#all #ave stam'ed on t#e exterior side at t#e bell end
t#e folloing information:
918 3y'e of reinforcement=
928 Class of 'i'e 4 all t#ickness=
9!8
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iii8 Certified co'ies of t#e ins'ection and acce'tance re'orts of t#e testing laboratory s#allbe
su''lied to t#e Engineer in du'licate 'rior to use of t#e materials=
iv8 -ny material7 #ic# #as been damaged in transit or is ot#erise unsuitable for use in t#e ork
s#all be reBected and removed from t#e site=
v8 3#e cost of ins'ecting and testing materials s#all be considered an incidental 'art of t#e ork andno s'ecific 'ayment t#erefor s#all be alloed=
vi8 ;t#er materials s#all conform to t#e reFuirements of t#e a''ro'riate sections of t#ese
s'ecifications=
2.)0. C!+tcti! Re-#i&e$e!t+ )
a8 General=
i8 -ll streets7 sidealks7 crossings7 fire #ydrants7 ater valves7 fire alarm boxes and ot#er similar
'ublic utilities s#all be ke't o'en or accessible for t#eir intended use unless ot#erise a''roved by
t#e Engineer=
ii8 Stream7 railroad7 and #ig#ay crossings s#all be considered as an incidental 'art of t#e ork
included in t#e unit 'rices for t#e various sies of seers unless s'ecific designs are s#on in t#e
contract or s'ecified in t#e contract and unit 'rices for suc# crossings are included in t#e contract=
iii8 3#e removal of existing seers7 man#oles and ot#er structures s#on in t#e contract or as
directed by t#e Engineer to be removed s#all be considered as an incidental 'art of t#e ork and no
s'ecific 'ayment t#erefor s#all be alloed=
b8 Site &re'aration=
i8 &rior to starting construction7 t#e areas designated in t#e contract or by t#e Engineer s#all be
're'ared in accordance it# Section 20= 3#is ork s#all be considered as an incidental 'art of t#e
ork and no s'ecific 'ayment s#all be alloed unless an item for clearing7 or clearing and grubbing7
is included in t#e contract=
ii8 3est #oles s#all be made7 #en necessary7 for locating underground obstructions= 3est #oles s#all
be considered as an incidental 'art of t#e ork and no s'ecific 'ayment s#all be alloed=
c8 Excavation=
i8 Excavation for seer lines s#all consist of t#e excavation necessary for t#e construction of seers
and all a''urtenant facilities t#erefor including7 but not limited to7 man#oles7 concrete saddles7 sand
or crus#ed stone cus#ion7 and 'i'e 'rotection as s'ecified by t#e contract= $t s#all include backfilling
and tam'ing of 'i'e trenc#es and around structures=
ii8 Excavation for seer lines s#all be made in o'en cut unless ot#er met#ods of installing seer
lines are s'ecified in t#e contract= &i'e trenc#es s#all not be excavated more t#an t#ree #undred 9!008
feet in advance of t#e 'i'e laying= 3#e trenc# s#all be excavated true to establis#ed lines and grades=
iii8 3#e idt# of t#e trenc# s#all be as ide as deemed necessary by t#e Contractor to assure safe
orking conditions= 3#e idt# of t#e trenc# for establis#ing 'ay limits s#all be as s#on on t#e
standard draing on file in t#e De'artment of &lanning7 Engineering and &ermits=
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iv8 #en s#eeting is used7 t#e trenc# idt# for establis#ing 'ay limits s#all be calculated as s#on
on t#e standard draing on file in t#e De'artment of &lanning7 Engineering and &ermits=
v8 3#e bottom of t#e trenc# s#all be level in cross4section and s#all be cut true to t#e reFuired grade
of t#e 'i'e= 3#e excavation s#all extend to t#e bottom of t#e 'i'e bedding andor cradle reFuired=
vi8 +ell #oles for bell4and4s'igot 'i'e s#all be excavated at 'ro'er intervals so t#at t#e barrel of t#e'i'e s#all rest for its entire lengt# on t#e bottom of t#e trenc#= +ell #oles s#all be large enoug# to
'ermit 'ro'er installation of Boints in t#e 'i'e= +ell #oles s#all not be excavated more t#an five 958
Boints a#ead of t#e 'i'e laying=
vii8 Excavation for man#oles and ot#er structures s#all not be greater in #oriontal area t#an t#at
reFuired to allo one 918 foot of clearance beteen t#e outer surface of t#e structure and t#e alls of
t#e adBacent excavation or of t#e s#eeting used to 'rotect it= $f t#e excavation extends beyond t#e 'ay
limit7 t#e Contractor s#all use t#e same backfill material used it#in t#e 'ay limit7 as s'ecified by t#e
contract or as directed by t#e Engineer= >oever7 no additional com'ensation s#all be alloed for
any excavation7 backfilling7 backfill material used7 etc=7 beyond t#e 'ay limit= 3#e bottom of t#e
excavation s#all be true to t#e reFuired s#a'e and t#e elevations s#on in t#e contract=
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s#all be made it#out additional com'ensation=
xv8 Excavation7 exce't as noted #erein7 s#all be considered as an incidental 'art of t#e ork and no
s'ecific 'ayment t#erefor s#all be alloed=
d8 /ock Excavation=
i8 /ock excavation s#all be done in accordance it# t#e reFuirements of Section 21=
ii8 #ere rock is encountered in t#e 'rocess of excavation it#in t#e excavation limits s'ecified
#erein7 it s#all be com'letely uncovered and all loose material stri''ed over t#e entire area7 if for a
structureA and over a trenc# lengt# of not less t#an fifty 9508 feet if for a 'i'eline= 3#e Engineer s#all
t#en make a detailed ins'ection of t#e ex'osed rock surface and s#all take suc# measurements as
necessary to determine t#e volume of rock excavated= 3#e rock s#all be removed from t#e 'ay4limit
idt# of t#e trenc#7 as 'reviously described7 as far as it is 'ractical to do so7 and to t#e de't# s#on
on t#e standard draing on file in t#e De'artment of &lanning7 Engineering and &ermits= /ock s#all
be excavated to t#e bottom of t#e 'i'e bedding andor cradle reFuired= #en necessary to'rovide
sufficient orking s'ace7 rock s#all be excavated to an additional de't# for bell #oles=
iii8 -fter t#e Engineer #as ins'ected t#e com'leted excavation and #as taken t#e necessarymeasurements for volume determination7 t#e void belo t#e establis#ed 'i'e grade s#all be broug#t
to 'ro'er grade by backfilling it# an a''roved material in accordance it# t#e a''licable sections
of Section 21=
iv8 "odifications of t#ese 'rovisions for trenc# excavation in rock s#all be 'ermitted only at s'ecific
locations #ere detailed construction met#ods are s#on in t#e contract=
v8 /ock excavation in 'i'e trenc#es s#all be measured and 'aid for as described in Section 21= - regulations and reFuirements=
ii8 S#eeting7 s#oring7 and bracing s#all be considered as an incidental 'art of t#e ork and no
s'ecific 'ayment t#erefor s#all be alloed=
f8 &i'e +edding=
i8 - Class C bedding of sand7 gravel7 crus#ed stone or crus#ed slag s#all be reFuired for all seer
'i'e=
ii8 +edding materials s#all be com'acted in 'lace by tam'ing it# suitable tools and s#a'ed to
su''ort t#e full lengt# of t#e barrel of t#e 'i'e at t#e exact line and grade=
iii8 3#e cost of 'roviding 'i'e bedding s#all be considered as an incidental 'art of t#e ork and no
s'ecific 'ayment t#erefor s#all be alloed unless an item for 'i'e bedding is included in t#e contract=
g8 aying &i'e=
i8 &i'e s#all not be laid exce't in t#e 'resence of t#e Engineer7 or #is re'resentative7 and s#all notbe
covered until a''roved by #im= &i'e laying in finis#ed trenc#es s#all 'roceed u'grade7 starting at t#e
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outlet end it# t#e s'igot end 'ointing in t#e direction of flo= &i'e s#all be fitted and matc#ed so
t#at a seer it# a smoot#7 uniform invert is formed=
ii8 -s t#e ork 'rogresses7 t#e interior of all 'i'e in 'lace s#all be t#oroug#ly cleaned= -ll eart#7
tras#7 rags and ot#er foreign matter s#all be removed from t#e interior of eac# ne seer line=
iii8 ater s#all not be alloed to stand or run in t#e 'i'e trenc# at any time during t#e construction=
iv8 3#e Contractor s#all not o'en u' more trenc# at any one time t#an #is available 'um'ing
facilities are able to deater=
#8 Joints= 3#e met#od of Boint construction s#all be in accordance it# acce'ted construction met#ods or
according to t#e 'i'e manufacturers s'ecifications and recommendations consistent it# t#e ty'e of 'i'e Boint
being used= - regulations and
reFuirements= ?nless tunneling is included in t#e contract7 t#ere s#all be no s'ecific 'ayment t#erefor if t#e
Contractor elects to use suc# met#ods=
m8 +ackfilling=
i8 3renc#es and excavations not located in a street or alley rig#ts 4of4ay s#all be backfilled it#
a''roved natural soil or7 #en directed by t#e Engineer or 'rovided in t#e contract7 it# crus#ed
stonebackfill material= 3#e backfilling o'eration s#all be started immediately after t#e 'i'e ork #as
been a''roved by t#e Engineer=
ii8 3#e backfill material s#all be carefully de'osited7 eFually on bot# sides of t#e 'i'e7 in uniform
layers not to exceed eig#t 9,8 inc#es in com'acted t#ickness and tam'ed it# 'ro'er tools so as not
todisturb t#e 'i'e= +ackfill not under street or alley rig#ts4of4ay s#all be com'acted as directed
by t#e Engineer=
iii8 -ll trenc#es and excavations in street or alley rig#ts 4of4ay s#all be backfilled it# -D;3 K5*
crus#ed stone in accordance it# t#e standard draing on file in t#e De'artment of &lanning7
Engineering and &ermit= 3#e crus#ed stone backfill s#all be com'acted in accordance it# Section
2,= 3#e Engineer may direct t#at t#ese trenc#es and excavations be covered it# a tem'orary'lant
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mix bituminous 'avement one 918 inc# t#ick= 3#is tem'orary 'avement s#all be s'read and rolled to
accurately conform to t#e grade of t#e existing street surface= 3#e Contractor s#all be res'onsible for
maintaining t#is tem'orary surface in a safe condition until t#e 'ermanent 'aving is 'laced= 3#e
tem'orary surface s#all be removed before t#e 'ermanent 'avement is 'laced as s'ecified in t#ese
s'ecifications or as s#on in t#e contract= 3#e cost of t#is tem'orary bituminous surface s#allbe
measured and 'aid for ass&halt ,in%er7 in accordance it# Section 2.=
iv8 -ll backfilling s#all be done in a manner so as not to disturb or inBure t#e 'i'e or structure over or
against #ic# it is being 'laced= -ny 'i'e or structure inBured7 damaged7 or moved from its'ro'er
line or grade during backfilling o'erations s#all be re'laced or re'aired and t#en backfilled as
s'ecified #erein7 by t#e Contractor it#out additional com'ensation=
n8 /e'lacing &avements=
i8 #ere 'aved streets7 sidealks7 driveays and gutters are removed it#in t#e construction limits
ass'ecified t#ey s#all be re'laced in4kind at eFual t#ickness= Sidealks7 driveays7 and curb and
gutter s#all be removed to t#e nearest Boint and re'laced= +rick 'avements s#all be re'laced it#
concrete of eFual t#ickness unless s#on ot#erise in t#e contract= -ny suc# 'avement removed or
damaged by t#e Contractor beyond t#e s'ecified construction limits s#all be re'laced as s'ecified
#erein by t#e Contractor it#out additional com'ensation= /e'lacement of suc# 'avement it#in t#econstruction limits s#all be 'aid for at t#e res'ective unit 'rice in t#e contract for t#e material used=
ii8 #ere un'aved street or driveay surfaces are damaged or removed7 t#ey s#all be re'laced it#
t#e same ty'e of material= 3#e cost of t#is ork s#all be considered as an incidental 'art of t#e ork
and no s'ecific 'ayment t#erefor s#all be alloed=
iii8 or excavations in and re'lacement of 'aving in streets and alleys #ere t#e 'avement is less
t#an five 958 years old7 s'ecial attention is directed to Section %4541!! of t#e +eneral City Co%e6
?nless ot#erise s'ecified or reFuired by t#e contract7 all roaday 'avement #ere disturbed7
inBured7 destroyed7 or removed by t#e Contractor or #is agent7 by street traffic7 or ot#erise7 on
account of t#e construction of t#e ork7 directly or indirectly7 are to be com'letely restored by t#e
Contractor in accordance it# t#e standard draing on file in t#e De'artment of &lanning7
Engineering and &ermits=
o8 Dis'osal of "aterials=
i8 -ll excavated material not used on t#e Bob s#all be dis'osed of in accordance it# Section 21=
ii8 3#e Contractor s#all7 it#out additional com'ensation7 remove all sur'lus or unused materials
from t#e 'roBect site t#us leaving t#e site and adBacent areas in a neat and 'resentable condition=
'8 /estoration of -dBacent &ro'erty 4 &ro'erty disturbed by excavation s#all be restored as near as 'ossible to
its original condition= 3#is s#all include ground 're'aration7 'lacing to'soil7 fertiliing t#e area7 seeding7
sodding7 resetting fences7 etc=7 as s'ecified in t#e contract or as directed by t#e Engineer= -ll ork necessary to
accom'lis# t#is restoration s#all be 'erformed7 measured7 and 'aid for in accordance it# t#e reFuirements of
t#e a''licable sections of t#ese s'ecifications=
2.)0 Met/ * Me1+#&e$e!t)
a8 Storm Seer &i'e= 3#e actual acce'ted lengt# of storm seer laid as directed s#all be measured in linear
feet along t#e center of t#e line7 com'lete in 'lace7 it# no deductions for man#oles=
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SECTION 2 ( MANHOLES, CURB INLETS 1! YARD INLETS
2)0' De+c&i,ti!)
a8 3#e ork s'ecified in t#is section includes furnis#ing and installing man#oles and inlets7 including
necessary metal frames7 grates7 covers7 etc=7 in accordance it# t#e'lan details and t#ese s'ecifications7 at t#e
locations and to t#e grades s#on in t#e contract or as directed by t#e Engineer=
b8 3#e various units s#all be furt#er designated by ty'e to distinguis# s#a'e7 sie7 etc=7 as indicated by t#e'lan
details= Certain units or 'ortions of units may be constructed of cast4in4'lace concrete7 're4cast concrete
andor masonry7 as s'ecified by t#e 'lan details=
2)02 M1te&i1"+)
"aterials s#all conform to t#e a''ro'riate sections of t#ese s'ecifications and t#e folloing:
a8 Concrete and steel reinforcing for cast4in4'lace units7're4cast units or 'arts of units not covered by ot#er
reFuirements s#all conform to t#e reFuirements of Sections !1 and !27 res'ectively7 of t#ese s'ecifications=
b8 &re4cast concrete units o r 'ortions of units s#all conform to t#e a''ro'riate reFuirements of -S3" C%*,unless ot#erise 'rovided by t#e 'lan details or as a''roved by t#e Engineer=
c8 +rick masonry materials s#all conform to t#e reFuirements of -S3" C!27 Grade ""=
d8 Castings=
i8 "an#ole and inlet frames and covers s#all be gray iron castings= 3#e castings s#all beboldly
filleted at angles and t#e arises s#all be s#ar' and 'erfect= 3#ey s#all be true to 'attern in form and
dimension and s#all be free from cracks7 'its7 or ot#er defects= -ll frames and covers s#all
conform to -S3" -%, Class !0 as a minimum for gray iron castings=
ii8 "an#ole and inlet frames and covers for sanitary man#oles7 storm seer man#oles and inlets
s#all be of t#e res'ective design and dimensions s#on on t#e 'lan details=
iii8 3#e contact surfaces beteen t#e bearing surfaces of t#e frames and covers s#all be mac#ined
to true flat surfaces so as to 'revent rocking=
iv8 -ll castings s#all be sand blasted or ot#erise effectively cleaned of scale and sand so as to
'resent a smoot#7 clean and uniform surface=
e8 "an#ole and inlet ste's s#all be co'olymer 'oly'ro'ylene 9'lastic8 coated reinforcing steel rods it# rod
and'ullout ratings meeting ;S>- regulations and reFuirements = 3#e co'olymer 'oly'ro'ylene used in all
ste's s#all conform to -S3" D%1014.5b &&0!%%+!!5!%L02= 3#e steel used in t#e ste's s#all be a
deformedone4#alf 9128 inc# reinforcing rod= 3#e steel reinforcing rods s#all be Grade )0 and conform to
all t#e reFuirements of -S3" -)15=
f8 $nlet and outlet 'i'e s#all conform to t#e a''ro'riate reFuirements of t#e section of t#e s'ecifications
covering t#e kind of 'i'e to #ic# t#ey are to connect=
2)0. C!+tcti! Re-#i&e$e!t+)
a8 Excavation s#all be 'erformed in accordance it# t#e a''ro'riate reFuirements set fort# under Section 2!=
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b8 Concrete units may be eit#er cast4in4'lace or're4cast units= Construction reFuirements relative to t#e to
ty'es s#all conform to t#e folloing:
i8 Cast4in4'lace ?nits= Construction s#all conform to t#e reFuirements of Section !1=
ii8 &re4cast ?nits= ifting #oles or ot#er devices s#all be incor'orated into t#e're4cast sections to
facilitate t#e 'lacement 'rocedure=
iii8 "an#ole ste's s#all be cast in t#e riser sections at eFual intervals not to exceed sixteen 91)8
inc#es in s'acing=
iv8 3#e man#ole sections s#all #ave M;M ring rubber gaskets meeting t#e reFuirements of -S3"
C%%!=
v8 3#e diameter of t#e man#ole s#all be four 9%8 feet or as s'ecified in t#e contract= 3#e inside
diameter of t#e man#ole at t#e to' s#all be tenty4six 92)8 inc#es=
vi8 Cone sections s#all be concentric it# an eig#t 9,8 inc# to' all t#ickness to accommodate brick=
vii8 +ase sections s#all be cast it# 'i'e #oles of t#e s'ecific number and dimensions necessary toincor'orate t#e unit into t#e drainage system as s#on in t#e contract= S#ould installation conditions
reFuire additional 'i'e #oles for #ic# no #oles ere cast7 t#e Contractor s#all make suc# #oles as
necessary7 'rovided #e 'erforms said ork in a manner a''roved by t#e Engineer= 3#e Contractor
s#all re'air or re'lace any damaged units to t#e satisfaction of t#e Engineer=
viii8 &i'e connections to base units s#all be made using eit#er concrete or masonry mortar7 or flexible
man#ole connectors meeting t#e reFuirements of -S3" .2!= lexible man#ole connectors s#allbe
installed as recommended by t#e manufacturer=
c8 "asonry=
i8 3#e #eig#t or de't# of t#e man#ole or inlet ill vary it# t#e location but in all cases it s#allbe
suc# t#at it ill 'lace t#e to' of t#e man#ole at t#e finis#ed grade of t#e 'avement or groundsurface and t#e invert at t#e elevation s#on in t#e contract=
ii8 +rick s#all be laid radially it# #oriontal Boints beteen one4Fuarter 91%8 inc# to one4#alf
9128 inc# in t#ickness and it# vertical Boints beteen one4Fuarter 91%8 inc# to one4#alf 9128
inc#in t#ickness on t#e inside surface of t#e man#ole= $nside Boints s#all be troel4struck flus#
Boints to 'rovide a smoot#7 clean surface= Joints s#all be broken in successive layers= Eac#brick
s#all be etted immediately before it is laid and s#all be laid se'arately in a full and close Boint of
mortar on its bed7 ends and side at one o'eration by s#oving t#e brick into t#e mortar= Joints s#all
not be made by orking mortar into t#e Boints7 grouting7 or slus#ing4in after t#e brick is in 'lace=
#enever t#e ork is discontinued for any 'ur'ose7 t#e unfinis#ed brick masonry s#all be racked
back in courses and all mortar removed from t#e ex'osed surfaces= #en t#e ork is continued7
ex'osed s urfaces s#all be cleaned and etted before any ne ork is added=
iii8 -''roved ste's s#all be inserted into t#e alls of man#oles at t#e intervals s'ecified for're4
cast concrete units as t#e ork 'rogresses and s#all be securely imbedded into t#e masonry=
iv8 3#e inside all surface s#all be 'lastered it# a layer of cement mortar one4#alf 9128 inc#
t#ick from t#e invert to a #eig#t of to 928 feet above t#e to' of t#e 'i'e7 if 'ractical7 and t#e
outside all surface s#all be similarly 'lastered to t#e full #eig#t=
v8 -fter t#e masonry ork #as been com'leted and to''ed out7 t#e cast iron frame for t#e cover
s#all be carefully set at t#e reFuired elevation and 'ro'erly bonded to t#e masonry it# cement
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grout=
vi8 #ere man#oles are constructed in 'aved areas7 t#e to' surface of t#e frame and cover s#allbe
tilted so as to conform to t#e exact slo'e7 cron and grade of t#e existing 'avement=
vii8 -ny ork t#at in t#e o'inion of t#e Engineer #as been damaged by any cause 'rior to or after
backfilling s#all be removed and rebuilt by t#e Contractor it#out additional com'ensation=
d8 $nlet and ;utlet &i'e=
i8 &i'e s#all be laid in accordance it# t#e a''ro'riate reFuirements of t#e section9s8 of t#ese
s'ecifications covering t#e ty'e of 'i'e being used=
ii8 &i'e 'laced in masonry for inlet and outlet connections s#all extend t#roug# t#e alls and
beyond t#e outside surface of t#e alls a sufficient distance to allo for connections and t#e
masonry s#all be carefully constructed around t#em so t#at t#ere s#all be no leakage around t#e
outer surface of t#e'i'e=
e8 +ackfilling s#all be done in accordance it# Section 2!=
f8 Cleaning= -ll man#oles and inlets s#all be cleaned of all form material7 excess mortar7 and all foreign
matter7 and s#all be free from suc# at t#e time of final ins'ection and acce'tance=
2)0 Met/ * Me1+#&e$e!t)
a8 $nlets s#all be measured as an individual unit7 including footings7 bottom slab7 alls7 cover7 lid7 grating7
etc=7 of t#e ty'e7 sie and s#a'e s#on in t#e contract=
b8 Storm seer man#oles s#all be measured as an individual unit7 including footings7 bottom slab7 alls7
cover7 lid7 grating7 etc=7 of t#e ty'e7 sie7 and s#a'e s#on in t#e contract=
2)05 B1+i+ * P13$e!t)
a8 ?nit &rice Coverage=
i8 $nlets= 3#e acce'ted number of inlets measured as noted above s#all be 'aid for at t#e res'ective
unit 'rice for eac# #ic# s#all be 'ayment in full for all materials7 labor7 eFui'ment and incidentals
necessary to com'lete t#e ork=
ii8 Storm Seer "an#oles= 3#e acce'ted number of man#oles7 measured as noted above7 s#all be
'aid for at t#e res'ective unit 'rice for eac# man#ole7 according to ty'e7 #ic# s#all be 'ayment in
full for all materials7 labor7 eFui'ment and incidentals necessary to com'lete t#e ork=
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SECTION 25 ( ENCASEMENT PIPE
25)0' De+c&iti!) 3#e ork s'ecified in t#is section includes furnis#ing and installing an encasement 'i'e
forseer 'i'es= 3#e installation s#all include 'lacement of t#e 'i'e at t#e location s#on in t#e contract or as
directed by t#e Engineer7 and in conformity it# t#e lines and grades establis#ed by t#e Engineer=
25)02 M1te&i1"+) "aterials furnis#ed for use s#all be as s'ecified in t#e contract=
25)0. C!+tcti! Re-#i&e$e!t+)
a8 General=
i8 3#e encasement 'i'e may be installed by t#e o'en trenc# met#od7 com'lying it# t#e
reFuirements for excavation7 installation and backfilling of Section 227 or by an a''roved Backing7
boring or tunneling 'rocedure a''roved by t#e Engineer=
ii8 3#e ty'e of 'i'eBoints used s#all be at t#e Contractors o'tion 'rovided t#e Boint 'roduces a
smoot# surface on t#e inside of t#e 'i'e suitable for installation of t#e carrier 'i'e=
b8 +oring7 Jacking or 3unneling= 3#e Contractor s#all submit to t#e Engineer details of t#e'rocedure'ro'osedto be used along it# a descri'tion of t#e eFui'ment available to install t#e s'ecified encasement
'i'e= 3#e results of said 'rocedure s#all 'roduce a neatly installed encasement 'i'e it#out damage to t#e
existing facility and it#out excessive voids in t#e eart# surrounding t#e encasement 'i'e= $f t#ere are
indications t#at voids exist around t#e encasement7 t#e Engineer s#all #ave cause to order7 or t#e contract may
so direct7 t#e Contractor to 'um'7 under 'ressure7 a concrete grout toseal t#e voids= -ny damage to t#e
facility caused by t#e installation o'eration s#all be restored by t#e Contractor7 it#out additional
com'ensation7 to t#e satisfaction of t#e Engineer=
c8 Seating of Carrier &i'e= 3racks7 guides or ot#er ty'es of su''orts s#all be 'rovided7 as directed by t#e
Engineer or as s#on in t#e contract7 for conveying t#e carrier 'i'e t#roug# t#e encasement=
d8 End 3reatment of Encasement &i'es= &rovisions s#all be made at t#e ends of all encasement 'i'es to
'reventater and ot#er foreign matter from entering t#e encasement= Sealing of t#e ends maybeaccom'lis#edby 'roducts manufactured for t#is 'ur'ose or may be constructed of rubble masonry or concrete
mortar=
25)0 Met/ * Me1+#&e$e!t) 3#e acce'ted number of linear feet of encasement 'i'e of t#e ty'e
installation reFuired s#all be measured along t#e encasement 'i'e centerline=
25)05 B1+i+ * P13$e!t) 3#e acce'ted number of linear feet of encasement 'i'e7 measured as noted above7
s#all be 'aid for at t#e unit 'rice for t#e ty'e installation involved7 #ic# s#all be 'ayment in full for
furnis#ing all materials7 labor7 eFui'ment7 tools7 'ermits7 dis'osal of excess materials and incidentals
necessary to com'lete t#e ork7 including7 but not limited to7 carrier rails and end treatment=
END OF SECTION
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SECTION 26 ( IDEO PIPE INSPECTION
26)0' De+c&iti!) 3#e ork s'ecified in t#is section includes visually ins'ecting seer lines internally t#at
are eig#t 9,8 inc#es in diameter or larger using video eFui'ment s'ecifically designed for t#is 'ur'ose= -
video recording of t#e seer line ins'ection s#all be forarded to t#e Engineer=
26)02 M1te&i1"+) (ideo recordings s#all be submitted on (>S format videota'es=
26)0. C!+tcti! Re-#i&e$e!t+)
a8 Cleaning= &rior to ins'ection7 t#e seer lines s#all be cleaned using seer cleaning eFui'ment and met#ods
a''roved by t#e Engineer=
b8 "obile 3elevision Studio= 3#e Contractors mobile studio s#all be large enoug# to allo 'ersons ot#er t#an
t#e studio tec#nicians to vie t#e video monitor #ile t#e ins'ection is in 'rogress= 3#e Engineer s#all #ave
access to vie t#e monitor at all times=
c8 EFui'ment ;'eration=
i8 ;'eration of t#e eFui'ment is to be controlled from t#e mobile television studio by a tec#nicianskilled in t#e use of t#e ty'e of eFui'ment being used= 3#e tec#nician s#all be able to control t#e
movement of t#e television camera7 t#e brilliance of t#e built in lig#ting system and t#e focus of
t#e camera7 by remote control=
ii8 3#e cable or rod controlling t#e movement of t#e camera s#all be attac#ed to a footage meter
t#at is sync#ronied it# t#e stationing so t#at t#e location of t#e camera and 'oint of observation
are knon at all times=
d8 og=
i8 - ritten log s#all be submitted to t#e Engineer7 along it# t#e video recording= 3#e log s#all
note t#e location of t#e seer line7 location of man#oles7 laterals7 roots7 sags7 obstructions7 defects
found in t#e 'i'e and any ot#er 'ertinent information=
ii8 - visual log s#all be ke't on t#e video recording by eit#er audio or visual notation of t#e
camera location as 'rescribed above=
26)0 Met/ * Me1+#&e$e!t) 3#e actual number of linear feet of seer 'i'e ins'ected7 measured along
t#e 'i'e centerline including man#oles=
26)05 B1+i+ * P13$e!t) 3#e acce'ted number of linear feet of seer ins'ected s#all be 'aid for at t#e unit
'rice for video 'i'e ins'ection s'ecified in t#e contract and s#all be 'ayment in full for furnis#ing all labor7
cleaning7 electronic eFui'ment7 electricity7 logs7 (>S cassette ta'es7 and tec#nicians necessary to com'lete
t#e ork=
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SECTION 27 ( SUBGRADE
27)0' De+c&iti!) 3#e ork s'ecified in t#is section includes t#e 're'aration of t#e subgrade to make it
ready to receive t#e 'avement structure= 3#e subgrade s#all be considered t#at 'ortion of t#e roadbed on
#ic# t#e crus#ed stone base course is to be'laced=
27)02 M1te&i1"+) "aterials furnis#ed to construct t#e subgrade s#all com'ly it# t#e reFuirements of Section21=
27)0. C!+tcti! Re-#i&e$e!t+)
a8 General=
i8 Grading of t#e subgrade s#all be conducted so t#at berms of eart# or ot#er material do not
'revent drainage of ater to side ditc#es or gutters= Gutters 7 drains and ditc#es along t#e subgrade
s#all be maintained at all times so as to drain effectively=
ii8 -ll boulders7 brick7 concrete7 ledge rock or similar solid items a''earing in t#e eart# excavation
s#all be removed or broken off to a de't# of not less t#an nine 9.8 inc#es belo t#e subgrade=
iii8 -fter all eart#ork #as been substantially com'leted and all drains #ave been laid t#e subgrade
s#all be broug#t to t#e lines7 grades and cross4sections s#on in t#e contract or as establis#ed by
t#eEngineer=
iv8 3#e Contractor s#all be res'onsible for t#e establis#ment and correctness of any and all
elevations relative to intermediate and final grades= 3#e City of +irming#am s#all not be
res'onsible for t#e accuracy or maintenance of any grade elevations beyond t#e control 'oints
'laced by t#e Engineer=
v8 $t s#all be t#e ContractorHs res'onsibility to verify t#at t#e subgrade elevation is in agreement
it# t#e contract=
b8 Com'action=
i8 3#e subgrade s#all be constructed so t#at it s#all #ave uniform density t#roug#out= 3#e
Contractor s#all7 it#out additional com'ensation7 'erform suc#'loing or scarifying as is
necessary to obtain satisfactory com'action= 3#e Engineer s#all test t#e subgrade 'eriodically
during construction to c#eck for t#e acce'table com'action= 3#e test may consist of 'roofrolling
t#ecom'acted subgrade using mac#inery of t#e Engineers c#oice and furnis#ed by t#e Contractor
it#out additional com'ensation= 3#e Engineer may test t#e com'action of t#e subgrade it# a
nuclear testing device= Sections of t#e subgrade t#at 'um' or are ot#erise s#on to be
unsatisfactory s #all be excavated to t#e de't# s'ecified by t#e Engineer= /emoval of
unsatisfactory material s#all be measured and 'aid for as Unclassifie% E-cavation =
ii8 -reas excavated to remove unsuitable material s#all be backfilled and com'acted to t#e
reFuiredelevation7 in accordance it# Section 217 it# a material a''roved by t#e Engineer= 3#is
backfi lling ork s#all be measured and 'aid for according to t#e ty'e of material used= $f no item
for t#e ty'e of material used is included in t#e contract7 t#e Contractor and t#e Engineer s#all
agree7 in riting7 to a unit 'rice for t#e material 'rior to its use=
iii8 -fter com'action7 all 'ortions of t#e subgrade not at t#e establis#ed elevation s#all be broug#t
to t#e 'ro'er elevation by adding 9or removing8 and com'acting sufficient material to bring t#e
subgrade to t#e correct elevation=
iv8
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com'action is obtained=
c8 &rotection of t#e Subgrade= 3#e subgrade s#all be maintained free from ruts and ot#er de'ressions7 in a
smoot# and com'acted condition true to t#e lines and grades establis#ed and in com'liance it# t#e
com'action reFuirements until t#e base course7 surfacing or 'avement is 'laced= #en #auling results in
forming ruts or ot#er obBectionable irregularities7 t#e Contractor s#all res#a'e and re4com'act t#e subgrade
before any surfacing is'laced=
27)0 C$e!+1ti!)
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SECTION 28 ( CRUSHED STONE BASE
28)0' De+c&iti!) 3#e ork s'ecified in t#is section includes t#e construction of crus#ed stone base courses
com'lete in 'lace on t#e a''roved roadbed=
28)02 M1te&i1"+)
a8 General= Crus#ed stone s#all be from a''roved ledges or orking strata it#in an a''roved source and
s#all consist of clean7 toug#7 durable fragments7 reasonably free of s#ale= "aterial sus'ected of containing
deleterious substances s#all be examined in t#e laboratory and s#all be reBected if t#e amount is considered
obBectionable=
b8 ysical 3ests=
i8 Crus#ed stone s#all meet t#e folloing reFuirements for t#e res'ective '#ysical tests:
918 &ercent ear os -ngeles 3est 9--S>3; 3.)8N=NNNN)0 "ax=
928 &ercent Sound7 Soundness 3estNNNNNNNNNNN=====.0 "in=
9--S>3; 310% using sodium sulfate and five cycles8
9!8 Gradation:
SIEE9 PASSIN G BY
WEIGHT
2 inc#100
1=5 inc#.04100
1 inc#*54.5
0=5 inc#)04,5
K%%04)5
K,2,45%
K1)1.4%2
K50.42*
K200%41,
3#e fraction 'assing t#e K%0 sieve s#all not #ave a 'lasticity index in excess of neit#er six
9)8 nor a liFuid limit in excess of tenty4five 92587 and contain not more t#an to4t#irds
92!8 by eig#t 'assing t#e K200 sieve=
28)0. C!+tcti! Re-#i&e$e!t+)
a8 General= 3#e Engineer s#all a''rove t#e roadbed before 'lacement of any base or subbase course ill be
'ermitted= -''roval s#all be based on satisfactory com'letion of t#e roadbed in accordance it# t#e
reFuirements of Section 2*=
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b8 EFui'ment= $n general7 it s#all be t#e Contractors res'onsibility to select and furnis# t#e 'ro'er sie and
amount of eFui'ment t#at s#all 'roduce7 deliver to t#e roadbed7 mix7 s'read7 s#a'e7 and com'act t#e base or
subbase material=
c8 &lant "ixing=
i8 3#e folloing are mixing 'lant general reFuirementsA #oever7 any ot#er mixing 'lant eFui'mentdevelo'ed t#at s#all 'roduce eFually satisfactory results s#all be acce'table for use it# t#e a''roval
of t#e Engineer=
ii8 3#e 'lant s#all be an a''roved contra4rotating tin4s#aft 'ug4mill ty'e central mixing 'lant of
'roven 'erformance and adeFuate ca'acity= 3#e 'lant s#all be eFui''ed to 'ro'ortion accurately by
volume or eig#t= During t#e mixing o'eration t#e aggregate s#all be introduced into t#e mixer in a
ay t#at s#all insure t#e 'ro'ortion of eac# ty'e of material to be used s#all be in t#e mixture=
iii8 ater s#all be added to t#e mix in an amount t#at s#all 'roduce a uniform moisture content7
based on dry eig#t of t#e mixture7 it#in to 928 'ercentage 'oints of o'timum7 as establis#ed by
t#e reFuired laboratory test=
d8 &lacing of +ase "aterials= 3y'ical cross4section7 t#ickness7 and limits of t#e course or layer s#all be s#onin t#e contract= 3#e o'erational 'rocedure must be suc# t#at 'lacement and 'rocessing of a layer s#all not
damage t#e underlying layer or layers= &remixed base and subbase materials s#all be 'laced and s'read by
s'reading eFui'ment t#at s#all 'roduce uniform layers of t#e reFuired cross4sections and t#ickness= 3#ebase
course material s#all be 'laced in not more t#an six 9)8 inc# com'acted layers= -ny base layer s#on in t#e
contract greater t#an six 9)8 inc#es s#all be 'laced and com'acted in to or more layers=
e8 Com'action and atering= Eac# layer of base material s#all be com'acted at o'timum moisture content
it# eFui'ment ca'able of obtaining t#e desired density to t#e full de't#= Com'action s#all continue until t#e
base is com'acted to not less t#an one #undred 'ercent 91008of t#e maximum laboratory density as
determined by -S3" D155*7 "et#od D 9--S>3; 31,08= -dditional atering in connection it#
com'action s#all be reFuired to obtain reFuired density at a uniform moisture content it#in to 928
'ercentage'oints of o'timum as determined by t#e reFuired laboratory tests=
28)0 S1$"i!: 1! Te+ti!:)
a8 General=
i8 +efore any crus#ed stone base material is 'laced on t#e Bobsite7 t#e Contractor s#all submit
sam'les of t#e 'ro'osed base material to an a''roved testing laboratory= Sam'les s#all be tested for
'ro'er gradation and a laboratory com'action test s#all be 'erformed on t#e material in accordance
it# -S3" D155*7 "et#od D 9--S>3; 31,08= 3ests s#all be re'eated for eac# five #undred
95008cubic yards of material delivered to t#e Bob site= 3#e Contractor s#all 'ay for t#ese tests and
furnis# t#e results to t#e Engineer=
ii8 3#e Engineer reserves t#e rig#t to 'erform tests on any material delivered to or in 'lace on t#e
Bobsite to determine if t#e s'ecifications #ave been met=
iii8 -ny necessary sam'le #oles or t#e like reFuired to satisfactorily establis# t#e acce'tability of any
base layer s#all be immediately re'aired by t#e Contractor it# like material= 3#e cost of suc#
re'airs s#all be considered incidental to t#e ork and no s'ecific 'ayment t#erefor s#all be alloed=
b8 Surface /eFuirements= 3#e finis#ed general surface of eac# base layer s#all not vary more t#an one4#alf
9128 inc# in any tenty4five 9258 foot section from a taut string 'laced 'arallel to t#e surface and t#e roadbed
centerline one 918 foot inside t#e edges of t#e base7 at t#e centerline7 and at ot#er 'oints designated7 nor s#all it
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vary more t#an one4#alf 9128 inc# from a tem' late 'laced at rig#t angles to t#e roadbed centerline= 3#e
tem'late s#all be of a rigid frame adBustable metal ty'e7 accurately set and at least as long as t#e idt# ofbase
layer being c#ecked u' to tenty4four 92%8 feet= -dditional idt#s may be c#ecked by t#e use of string and
Engineers level= 3#e Contractor s#all furnis# tem'late7 string and necessary 'ersonnel to c#eck t#e surface as
described and under t#e direction of t#e Engineer=
c8 Gradation and Density=
i8 3#e gradation of eac# layer may be c#ecked by t#e Engineer to determine com'liance it# t#e
s'ecifications= "aterial falling outside of t#e s'ecified gradation band s#all be corrected to com'ly
it# t#e s'ecified gradationband=
ii8 3#e Contractor s#all make com'action tests on eac# base layer= 3#e Contractor s#all 'rom'tly
furnis# t#e Engineer it# all com'action test results= Eac# layer s#all be broug#t to t#e reFuired
density before t#e next layer is'laced=
d8 3#ickness=
i8 3#e t#ickness of eac# layer s#all be c#ecked at intervals as determined by t#e Engineer= 3#e
com'acted t#ickness of t#e layer s#all be it#in 'lus or minus one4#alf 9128 inc# of t#e t#icknesss'ecified in t#e contract or as directed by t#e Engineer= 3#ere s#all be no 'ayment for material
t#ickness in excess of t#e t#ickness s'ecified in t#e contract= 3#e Contractor s#all furnis# labor and
tools to c#eck t#ickness as an incidental 'art of t#e ork=
ii8 3#e elevations to grade s#all be t#e sole res'onsibility of t#e Contractor and no 'ayment s#all be
made for incidental or extraneous material reFuired to establis#7 #old or maintain any elevation
beyond t#e 'lan dimensions=
e8 idt#s= 3#e idt#s of eac# layer s#all be c#ecked at intervals as determined by t#e Engineer=
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END OF SECTION
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SECTION 2< ( ASPHALT SEAL ( TYPE NS, ASPHALT BINDER, PRIME AND TACK COAT
2
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SIEEASPHALT SEAL TYPE NS
9 PASSING
ASPHALT BINDER
9 PASSING
1 inc#4100
!% inc#100,04.5
12 inc#.541004
!, inc#,04.55%4*)
K%5%4*%%045,
K,!,45)2,4%)
K!01)4!)4
K501042),422
K1005412%410
K200!4,24)
ii8 +itumen= ?nless t#e ty'e of bitumen is s'ecified in t#e contract7 t#e Contractor s#all use
as'#altcement grade -C4207 -C4!07 or -C4%0 as s'ecified by --S>3; "22)= 3#e'ro'ortion
ofbitumen to total aggregate by eig#t s#all be as s#on above for t#e a''ro'riate mix7 t#e exact
'ro'ortion being fixed by t#e Bob mix formula=
(ASPHALT SEAL
TYPE NS
ASPHALT
BINDER
&ro'ortion of -s'#alt Cement to
3otal Sam'le +y eig#t7 %=*4.=0!=54)=0
iii8 -dmixtures= -dmixtures s#all not be used unless directed or a''roved by t#e Engineer=
d8 Job "ix ormula=
i8
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TEST PROPERTYASPHALT SEALASPHALT BINDER
Stability 9minimum87 'ounds1)001%00
lo7 0=01 inc#es,41,,41,
&ercent -ir (oids%%
&ercent ("- 9minimum8151!
iv8 -ll mixes s#all be tested to determine if an anti4stri''ing agent is needed= -ll mixes s#all #ave
a tensile strengt# ratio 93S/8 of at least 0=*5 #en tested in accordance it# --S>3; 32,! as
modified by -D;3 4!)1=
v8 3#e amount of anti4stri''ing agent7 #en reFuired7 s#all be one4#alf to one 'ercent 9I 4 18
by eig#t of t#e bitumen content for l iFuid agents and one4#alf to to 'ercent 9I 4 28 by
eig#t of t#e total aggregate for 'odered agents=
vi8 -ll mixtures furnis#ed for use on t#e 'roBect s#all conform to t#e a''roved Bob mix formula
it#in t#e folloing ranges of tolerances:
918 +itumen content==========================================&lusor minus one4#alf 'ercent 9I8
928 -ir voids======================================================&lusor minus one 'ercent 918
9!8 K% and larger sieve reFuireme nts================&lus or minus seven 'ercent 9*8
9%8 K, t#roug# K100 sieve reFuirement============&lus or minus four 'ercent 9%8
958 K200 sieve reFuirement===============================&lus or minus to 'ercent 928
vii8 3#e initial setting of t#e controls for all materials s#all be t#ose amounts s#on on t#e Bob mix
formula= 3#e above tolerances are 'rovided for slig#t variations in#erent in Bob control
a''lications=3#e Engineer s#all reFuire t#e Contractor to make c#anges as necessary in order t#at
t#e mixture s#all run as close as 'ractical to t#e 'ercentage designated on t#e Bob mix formula=
viii8 3#e Bob mix formula for eac# mixture s#all be in effect for one 918 year unless t#e Engineer
it#dras a''roval in riting= S#ould a c#ange in sources of materials be made7 a ne Bob mix
formula must be establis#ed before t#e ne material is used= $f a Contractor #as current a''roval
of a Bob mix from a s'ecific 'lant7 t#e Contractor may use t#is mix on more t#an one City of
+irming#am 'roBect'rovided t#e materials #ave not c#anged=
ix8 -ll testing and engineering needed to develo' an acce'table Bob mix formula s#allbe
considered as an incidental 'art of t#e ork and no direct 'ayment for t#is ork s#all be made to
t#e Contractor= 3#e laboratory and 'ersonnel used to develo' t#e Bob mix formula s#all meet t#e
a''roval of t#e Engineer=
e8 &re'aration of "ixtures=
i8 +itumen= 3#e bituminous material s#all be #eated in a manner t#at insures t#e even #eating of
t#e entire mass under efficient and 'ositive control at all times= -ny bituminous material #ic# in
t#e o'inion of t#e Engineer #as been damaged s#all be reBected=
ii8 -ggregate= -ll aggregates s#all be dried so t#at t#e moisture content at t#e time of mixing is less
t#an one4#alf 9128 'ercent by eig#t= 3#e tem'erature of t#e aggregate at t#e dryer s#all not exceed
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!50o
= 3#e aggregate7 immediately after being #eated7 s#all be screened into t#ree 9!8 or more sies
and conveyed into se'arate bins7 ready for batc#ing and mixing it# bituminous material= >oever7
for mixes using aggregate of one4#alf 9128 inc# maximum sie7 t#e number of bins may be reduced
to to 928=
iii8 "ixing=
918 +atc# "ixing= 3#e dried mineral aggregate s#all be combined in uniform batc#es by
eig#ing and conveying into t#e mixer t#e 'ro'ortionate amounts of eac# aggregate
reFuiredto meet t#e Bob mix formula= 3#e mineral com'onents s#all be t#oroug#ly mixed=
3#e reFuired Fuantity of bituminous material for eac# batc# s#all be measured by eig#t or
metering device= 3#e bituminous material s#all be added and t#e mixing continued for a
'eriod of at least forty4five 9%58 seconds7 or longer if necessary7 to 'roduce a #omogeneous
mixture= Eac# batc# must be ke't se'arate t#roug# t#e eig#ing and mixing o'erations=
3#e mixt ure s#all be uniform in com'osition7 free from lum's or balls of material
containing as excess Fuantity of as'#alt7 or from 'ockets deficient in as'#alt=
928 Continuous "ixing= 3#e amounts of aggregate and bituminous material entering t#e
mixer7 and t#e rate of travel t#roug# t#e mixer s#all be so coordinated t#at a uniform
mixture of s'ecified gradation and bitumen content ill be'roduced=
iv8 /ecycled "ixtures= 3#e tem'erature of t#e ne aggregate s#all be su'er#eated to t#e'oint
#ere7 #en combined it# t#e reclaimed material7 t#e s'ecified disc#arge or delivery tem'erature
is 'roduced= >oever7 in no case s#all t#e tem'erature of t#e ne aggregate exceed )00o
=
v8 3#e 'lant s#all be so designed and o'erated so t#at #eat transfer s#all take 'lace in t#e mixing
unit it#out damage to or va'oriation of t#e bituminous material= or batc# ty'e 'lants7 a
minimum dry mixing cycle of fifteen 9158 seconds s#all be reFuired for t#e nebituminous
material=
f8 Sam'ling and $ns'ection=
i8 &roduction of t#e reFuired gradation in t#e mix s#all be t#e Contractors res'onsibility=
ii8 3#e rig#t is reserved to take sam'les of aggregates from stock'iles and as'#alt from storage
tanks at t#e as'#alt 'lant and to make furt#er tests as needed as a basis for continued acce'tance of
t#e materials=
iii8 Sam'les of t#e mixture in use s#all be taken and tested as many times daily as deemed
necessary to assure t#e s'ecifications are met7 and t#e mixture must be maintained uniform
t#roug#out t#e 'roBect it#in t#e given tolerances= ?nless ot#erise directed by t#e Engineer7
com'osition limits 9by eig#ts8 of t#e com'leted mixture s#all be based u'on t#e total mineral
aggregate remaining after extraction ofbitumen=
iv8 #en directed by t#e Engineer7 t#e Contractor s#all cut sam'les it# mec#anical eFui'ment
from t#e com'acted 'avement for testing= Sam'les not smaller t#an four 9%8 sFuare inc#es or four9%8 inc#es in diameter for t#e full de't# of t#e course to be tested s#all be taken at t#e locations
directed by t#e Engineer=
v8 3#e Contractor s#all7 it#out additional com'ensation7 furnis# suitable a''roved cutting
eFui'ment7 cut sam'les7 and immediately re'air t#e sam'le #oles it# a similar ty'e of material=
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9!8 -fter t#e surface #as been 're'ared7 a bituminous tack coat s#all be a''lied to t#e entire
surface= 3ack coat material s#all be a''lied in an amount directed by t#e Engineer u' to a
maximum of one4tent# 91108 of a gallon 'er sFuare yard= -n as'#alt distributor s#all be
'rovided for use on all accessible areas= $naccessible areas suc# as around man#oles7 etc=7
may be coated by ot#er a''roved met#ods= #en a''lying tack coat7 it s#all be a''lied to
allcontact surfaces of curbs7 gutters7 man#oles and adBacent 'avement edges7 as directedby
t#e Engineer=
9%8 -dBacent surfaces t#at are not to be in contact it# t#e mix s#all be adeFuately 'rotected
from t#e tack coat s'ray= -ny surface soiled by tack coat material s#all be cleaned and
restored to its 'revious condition it#out additional com'ensation= 3ack coat s#all be
s'read only far enoug# in advance to 'ermit t#e construction to 'rogress consistently7
uniformly7 and continuously=
958 3#e a''lication of tack coat s#all be 'aid 'er gallon of material 'laced as directed by t#e
Engineer=
iii8 &re'aration for -s'#alt &aving on Stone +ase=
918 oose material7 dust7 dirt7 caked clay7 or any foreign material s#all be removed from t#esurface o f t#e com'acted base material=
928 - 'rime coat s#all be a''lied after t#e Engineer #as a''roved t#e surface= 3#e
a''lication of t#e 'rime material s#all be by means of a 'ressure distributor of an a''roved
ty'e= 3#e 'rime material s#all #ave a tem'erature of beteen ,0 and 150o
and s#allbe
a''lied at a rate of t#ree4tent#s 9!108 to one4#alf 9128 gallon 'er sFuare yard=
9!8 -fter t#e 'rime coat #as been a''lied7 t#e Contractor s#all kee' all traffic off t#e road
until7 in t#e o'inion of t#e Engineer7 t#e 'rime is dry and cured= #en directed by t#e
Engineer7 t#e Contractor s#all7 it#out additional com'ensation7 s'read t#e minimum
necessary amount of a''roved clean7 coarse sand over t#e 'rimed area to 'revent it from
breaking u' under traffic or to s'eed curing=
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iv8 -reas inaccessible to mec#anical s'reading eFui'ment s#all be s'read by #and it#out additional
com'ensation=
v8 &lacing of as'#alt 'lant mix layers s#all be as continuous as 'ossible= -ll Boints s#all be made in a
careful manner so as to 'rovide a smoot#7 ell4bonded and sealed Boint meeting t#e density and
surface reFuirements= ongitudinal Boints in t#e earing surface s#all conform to t#e edges of
'ro'osed traffic lanes insofar as 'ractical= -ny necessary longitudinal Boints in underlying layerss#allbe offset so as to be at least six 9)8 inc#es from t#e Boint in t#e next overlying layer= 3ransverse
Boints s#all be carefully constructed and rollers s#all not 'ass over t#e un'rotected edge of t#e fres#ly
laid mixture unless laying o'erations are to be discontinued= ?'on resum'tion of t#e ork a neat
Boint s#all be formed by saing back vertically into t#e 'reviously laid material to ex'ose t#e full
de't# of t#e layer= 3#e fres# mixture s#all be raked and tam'ed to 'rovide a ell bonded and sealed
Boint meeting t#e surface and density reFuirements=
e8 Com'acting=
i8 -s soon as t#e mixture #as been s'read and #as set sufficiently to 'revent undue cracking or
s#oving7 rolling s#all begin= - delay in t#e initial rolling s#all not be tolerated= $n general7 t#e initial
breakdon rolling s#ould be 'erformed by rolling longitudinally7 beginning at t#e sides and
'roceeding toard t#e center of t#e surface= 3#e roller s#all not com'act it#in six 9)8 inc#es of t#eedge of t#e surface #ere an adBacent lane is to follo #ile t#e surface is still #ot= #en 'aving
abutsa 'reviously 'laced lane7 t#e longitudinal Boint s#all be rolled in t#e first 'ass= ;n su'erelevated
curves7 rolling s#all begin at t#e lo side and 'rogress toard t#e #ig# side=
ii8 $f any dis'lacement occurs during rolling7 it s#all be corrected at once= 3o 'revent ad#esion of
surface mixture to t#e rollers7 t#e #eels s#all be ke't adeFuately moistened it# ater and a
non4foaming detergent= >oever7 an excess of ater s#all not be'ermitted=
iii8 $n 'laces inaccessible to a roller7 com'action s#all be obtained it# #and or mec#anical tam'ers
of adeFuate eig#t to 'roduce t#e reFuired density=
iv8 /olling s#all continue until all roller marks are eliminated and t#e s'ecified density is obtained7
unless directed ot#erise by t#e Engineer=
v8 $t s#all be t#e ContractorHs res'onsibility to ensure t#at all as'#alt 'lant mix layers are com'acted
in accordance it# t#e reFuirements of t#e -D;3s $tan%ar% $&ecifications forHighway
Construction 7 latest edition= 3#e Contractor s#all 'rom'tly furnis# t#e Engineer it# all com'action
test results= Deficiencies in t#e density s#all be corrected #ile t#e mixture is still orkable= -reas of
deficient density t#at are not corrected s#all be removed and re'laced by t#e Contractor it#out
additional com'ensation=
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b8 +inder Surface= 3#e finis#ed surface of t#e layer s#all not vary more t#an t#ree4eig#t#s 9!,8 inc# from t#e
reFuired section measured at rig#t angles to t#e 'avement centerline= 3#e finis#ed surface of t#e layer s#all
notvary more t#an one4Fuarter 91%8 inc# from a ten4foot straig#tedge and not more t#an t#ree4eig#t#s 9!,8
inc# from a taut string tenty4five 9258 feet in lengt# 'laced 'arallel to t#e centerline at 'oints directed by t#e
Engineer=
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SECTION .0 ( ASPHALT MILLING
.0)0' De+c&iti!) 3#e ork s'ecified in t#is section includes removing existing 'avements by milling7 in
close conformity it# t#e lines7 grades7 and cross4sections s#on in t#e contract or as designated by t#e
Engineer7 for one or more of t#e folloing reasons: to loer t#e finis#ed surface adBacent to existing curb7 to
remove excess surface material7 to correct faulting7 to im'rove surface drainage7 or to im'rove riding
c#aracteristics=
.0)02 C!+tcti! Re-#i&e$e!t+)
a8 General=
i8 3#e existing 'avement s#all be removed to varying de't#s in a manner t#at s#all restore t#e
'avement surface to a uniform longitudinal 'rofile and cross4section= /emoval s#all be to t#e
de't#and cross slo'e as s'ecified in t#e contract or as directed by t#e Engineer= $f an inde'endent
grade reference is reFuired7 it s#all be designated in t#e contract and s#all be establis#ed by t#e
Engineer=
ii8 3#e Contractor may elect to make multi'le cuts to ac#ieve t#e reFuired 'avement configuration
or de't# of cut=
iii8 3ransverse faces existing at t#e end of a ork 'eriod s#all be ta'ered in a manner a''roved by
t#e Engineer to avoid a #aard to traffic=
iv8 &avement edge dro'4offs of to 928 inc#es or greater s#all not be left at t#e end of t#e orkday
it#out 'ro'er traffic control devices in 'lace or ot#erise addressing t#e condition suc# t#at
t#ere is no #aard to motorists= 3raffic control devices s#all be in accordance it# t#eManual of
Uniform Traffic Control Devices 9"?3CD8 latest edition= 3#ere s#all be no additional
com'ensation for 'roviding traffic control devices or ot#erise addressing t#e 'avement edge
dro'4off condition suc# t#at t#ere is no #aard to motorists=
v8 +efore o'ening t#e milled surface to traffic all loose material s#all be removed to t#e greatest
extent 'ractical from t#e milled surface by t#oroug#ly see'ing it# a 'oer broom or ot#er
a''roved eFui'ment= 3#e Contractor s#all dis'ose of all material se't from t#e'avement
it#out additional com'ensation=
vi8 &avement t#at cannot be removed by milling eFui'ment because of '#ysical or geometrical
restraints s#all be removed by ot#er met#ods a''roved by t#e Engineer= /emoval of'avement
around '#ysical or geometrical restraints7 valve boxes7 man#ole frames7 etc=7 s#all be considered
as an incidental 'art of t#e ork and no additional com'ensation t#erefor s#all be alloed=
vii8 3#e Contractor s#all dis'ose of milled material it#out additional com'ensation= 3#e milled
material s#all become t#e 'ro'erty of t#e Contractor= 3#e salvage value of t#e milled material7 if
any7 s#all be reflected in t#e unit 'rice bid for t#is item of ork=
b8 EFui'ment=
i8 3#e eFui'ment for removing existing 'avements s#all be a commercially designed and
manufactured mac#ine ca'able of 'erforming t#e ork in a manner satisfactory to t#e Engineer=
ii8 3#e mac#ine s#all be 'oer4o'erated and self4'ro'elled7 and s#all #ave sufficient 'oer7
traction7 and stability to remove a t#ickness of 'avement surface to a s'ecified de't#7 and'rovide
auniform 'rofile and cross slo'e= 3#e mac#ine s#all be ca'able of accurately and automatically
establis#ing 'rofile grades 9it#in 'lus or minus one4eig#t# 91,8 inc#8 along eac# edge of t#e
mac#ine by referencing from t#e existing 'avement by means of a ski or matc#ing s#oe7 or from
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an inde'endent grade line=
iii8 3#e mac#ine s#all #ave an automatic system for controlling grade7 elevation7 and cross slo'e=
iv8 3#e mac#ine s#all be eFui''ed it# a means to effectively control dust generated by t#e
cutting o'eration=
c8 inis#ed Surface=
i8 3#e finis#ed surface s#all #ave a reasonably uniform texture=
ii8 $f t#e 'laned surface is to be t#e final surface of t#e 'avement7 t#e 'attern s#all be're4a''roved
by t#e Engineer and s#all be one t#at 'rovides an acce'table skid resistance= $f 'avement is tobe
constructed over t#e 'laned surface7 it s#all #ave a texture t#at s#all 'rovide goodbonding=
iii8 3#e Contractor s#all7 it#out additional com'ensation7 correct any unsuitable texture or
'rofile 7 as determined by t#e Engineer=
.0)0. Met/ * Me1+#&e$e!t)
a8 3#e milling of 'avement ordered and acce'ted s#all be measured in sFuare yards com'uted from surface
measurements or it s#allbe measured in tons= $f measured in tons7 t#e 'laned material s#all be eig#ed on a
scale a''roved by t#e Engineer=
b8 3#e met#od of measurement s#all be indicated in t#e contract=
.0)0 B1+i+ * P13$e!t) -cce'ted Fuantities of milling s#all be 'aid for at t#e unit 'rice bid 'er sFuare yard
or 'er ton7 as s'ecified7 for milling7 #ic# s#all be 'ayment in full for milling7 dis'osing of milled material7
cleaning of t#e 'avementA for furnis#ing all materials7 eFui'ment7 labor7 tools7 and incidentals necessary to
com'lete t#e ork=
END OF SECTION
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SECTION .' ( STRUCTURAL CONCRETE
.')0' De+c&iti!) 3#e ork s'ecified in t#is section includes t#e furnis#ing of &ortland cement reinforced
concrete structures= Structures s#all include but are not limited to culverts7 Bunction boxes7 #eadalls7 concrete
ste's7 retaining alls7 and ot#er items t#at are referenced to t#is section=
.')02 M1te&i1"+
a8 -ll materials s#all conform to t#e reFuirements of t#e folloing referenced standards:
i8 -D;3s $tan%ar% $&ecifications for Highway Construction 7 latest edition
ii8 City of +irming#amHs $tan%ar% $&ecifications for the Construction of Pu'lic "or.