Standard Specifications Public Works Projects

Embed Size (px)

Citation preview

  • 7/25/2019 Standard Specifications Public Works Projects

    1/136

    STANDARD SPECIFICATIONS

    FOR THE CONSTRUCTION OF

    PUBLIC WORKS PROJECTS

    CITY OF BIRMINGHAM

    DEPARTMENT OF PLANNING, ENGINEERING AND PERMITS

    BIRMINGHAM, ALABAMA

    2005

  • 7/25/2019 Standard Specifications Public Works Projects

    2/136

    Jan 1 2005

    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%.

  • 7/25/2019 Standard Specifications Public Works Projects

    3/136

    Jan 1 2005

    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.

  • 7/25/2019 Standard Specifications Public Works Projects

    4/136

    Jan 1 2005 1

    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=

    +$

  • 7/25/2019 Standard Specifications Public Works Projects

    5/136

    Jan 1 2005 2

    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;$

  • 7/25/2019 Standard Specifications Public Works Projects

    6/136

    Jan 1 2005 !

    /$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&$C- SEC3$;

  • 7/25/2019 Standard Specifications Public Works Projects

    7/136

    Jan 1 2005 %

    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=

  • 7/25/2019 Standard Specifications Public Works Projects

    8/136

    Jan 1 2005 5

    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

  • 7/25/2019 Standard Specifications Public Works Projects

    9/136

    Jan 1 2005 )

    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

  • 7/25/2019 Standard Specifications Public Works Projects

    10/136

    Jan 1 2005 *

    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

  • 7/25/2019 Standard Specifications Public Works Projects

    11/136

    Jan 1 2005 ,

    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=

  • 7/25/2019 Standard Specifications Public Works Projects

    12/136

    Jan 1 2005 .

    9!8

  • 7/25/2019 Standard Specifications Public Works Projects

    13/136

    Jan 1 2005 10

    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=

  • 7/25/2019 Standard Specifications Public Works Projects

    14/136

    Jan 1 2005 11

    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

  • 7/25/2019 Standard Specifications Public Works Projects

    15/136

    Jan 1 2005 12

    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=

  • 7/25/2019 Standard Specifications Public Works Projects

    16/136

    Jan 1 2005 1!

    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

  • 7/25/2019 Standard Specifications Public Works Projects

    17/136

    Jan 1 2005 1%

    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

  • 7/25/2019 Standard Specifications Public Works Projects

    18/136

    Jan 1 2005 15

    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

  • 7/25/2019 Standard Specifications Public Works Projects

    19/136

    Jan 1 2005 1)

    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=

  • 7/25/2019 Standard Specifications Public Works Projects

    20/136

    Jan 1 2005 1*

    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=

  • 7/25/2019 Standard Specifications Public Works Projects

    21/136

    Jan 1 2005 1,

    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

  • 7/25/2019 Standard Specifications Public Works Projects

    22/136

    Jan 1 2005 1.

    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

  • 7/25/2019 Standard Specifications Public Works Projects

    23/136

    Jan 1 2005 20

    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=

  • 7/25/2019 Standard Specifications Public Works Projects

    24/136

  • 7/25/2019 Standard Specifications Public Works Projects

    25/136

    Jan 1 2005 22

    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!=

  • 7/25/2019 Standard Specifications Public Works Projects

    26/136

    Jan 1 2005 2!

    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

  • 7/25/2019 Standard Specifications Public Works Projects

    27/136

    Jan 1 2005 2%

    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=

    END OF SECTION

  • 7/25/2019 Standard Specifications Public Works Projects

    28/136

    Jan 1 2005 25

    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

  • 7/25/2019 Standard Specifications Public Works Projects

    29/136

    Jan 1 2005 2)

    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=

    END OF SECTION

  • 7/25/2019 Standard Specifications Public Works Projects

    30/136

    Jan 1 2005 2*

    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

  • 7/25/2019 Standard Specifications Public Works Projects

    31/136

    Jan 1 2005 2,

    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!)

  • 7/25/2019 Standard Specifications Public Works Projects

    32/136

    Jan 1 2005 2.

    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*=

  • 7/25/2019 Standard Specifications Public Works Projects

    33/136

    Jan 1 2005 !0

    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

  • 7/25/2019 Standard Specifications Public Works Projects

    34/136

    Jan 1 2005 !1

    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=

  • 7/25/2019 Standard Specifications Public Works Projects

    35/136

    Jan 1 2005 !2

    END OF SECTION

  • 7/25/2019 Standard Specifications Public Works Projects

    36/136

    Jan 1 2005 !!

    SECTION 2< ( ASPHALT SEAL ( TYPE NS, ASPHALT BINDER, PRIME AND TACK COAT

    2

  • 7/25/2019 Standard Specifications Public Works Projects

    37/136

    Jan 1 2005 !%

    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

  • 7/25/2019 Standard Specifications Public Works Projects

    38/136

    Jan 1 2005 !5

    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

  • 7/25/2019 Standard Specifications Public Works Projects

    39/136

    Jan 1 2005 !)

    !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=

  • 7/25/2019 Standard Specifications Public Works Projects

    40/136

    Jan 1 2005 !*

    2

  • 7/25/2019 Standard Specifications Public Works Projects

    41/136

    Jan 1 2005 !,

    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=

  • 7/25/2019 Standard Specifications Public Works Projects

    42/136

    Jan 1 2005 !.

    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=

    2

  • 7/25/2019 Standard Specifications Public Works Projects

    43/136

    Jan 1 2005 %0

    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=

    2

  • 7/25/2019 Standard Specifications Public Works Projects

    44/136

    Jan 1 2005 %1

    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

  • 7/25/2019 Standard Specifications Public Works Projects

    45/136

    Jan 1 2005 %2

    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

  • 7/25/2019 Standard Specifications Public Works Projects

    46/136

    Jan 1 2005 %!

    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.