Sec_32_13_14.13_concrete.pdf

ACA Al er t Ai r cr af t Shel t er s WYTD079031 Tol edo Expr ess Ai r por t , OH

SECTI ON 32 13 14. 13

CONCRETE PAVI NG FOR AI RFI ELDS AND OTHER HEAVY DUTY PAVEMENTS

11/17

PART 1 GENERAL

1. 1 REFERENCES

The publ i cat i ons l i s t ed bel ow f or m a par t of t hi s Speci f i cat i on t o t he ext ent r ef er enced. The publ i cat i ons ar e r ef er r ed t o wi t hi n t he t ext by t he basi c desi gnat i on onl y.

AMERI CAN ASSOCI ATI ON OF STATE HI GHWAY AND TRANSPORTATI ON OFFI CI ALS

(AASHTO)

AASHTO M 182 ( 2005; R 2017) St andar d Speci f i cat i on f or Bur l ap Cl ot h Made f r om Jut e or Kenaf and Cot t on Mat s

AMERI CAN CONCRETE I NSTI TUTE I NTERNATI ONAL ( ACI )

ACI 201. 1R ( 2008) Gui de f or Conduct i ng a Vi sual I nspect i on of Concr et e i n Ser vi ce

ACI 211. 1 ( 1991; R 2009) St andar d Pr act i ce f or Sel ect i ng Pr opor t i ons f or Nor mal , Heavywei ght and Mass Concr et e

ACI 214R ( 2011) Eval uat i on of St r engt h Test Resul t s of Concr et e

ACI 305R ( 2010) Gui de t o Hot Weat her Concr et i ng

ACI 306R ( 2016) Gui de t o Col d Weat her Concr et i ng

ASTM I NTERNATI ONAL ( ASTM)

ASTM A1064 ( 2017) St andar d Speci f i cat i on f or Car bon- St eel Wi r e and Wel ded Wi r e Rei nf or cement , Pl ai n and Def or med, f or Concrete

ASTM A184 ( 2017) St andar d Speci f i cat i on f or Wel ded Def or med St eel Bar Mat s f or Concr et e Reinforcement

ASTM A185 ( 2007) St andar d Speci f i cat i on f or St eel Wel ded Wi r e Rei nf or cement , Pl ai n, f or Concrete

ASTM A615 ( 2016) St andar d Speci f i cat i on f or Def or med and Pl ai n Car bon- St eel Bar s f or Concr et e Reinforcement

ASTM A775 ( 2016) St andar d Speci f i cat i on f or Epoxy- Coat ed St eel Rei nf or c i ng Bar s

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ASTM A996 ( 2016) St andar d Speci f i cat i on f or Rai l - St eel and Axl e- St eel Def or med Bar s f or Concr et e Rei nf or cement

ASTM C1017 ( 2013; E 2015) St andar d Speci f i cat i on f or Chemi cal Admi xt ur es f or Use i n Pr oduci ng Fl owi ng Concr et e

ASTM C1064 ( 2011) St andar d Test Met hod f or Temper at ur e of Fr eshl y Mi xed Hydr aul i c- Cement Concr et e

ASTM C1077 ( 2016) St andar d Pr act i ce f or Labor at or i es Test i ng Concr et e and Concr et e Aggr egat es f or Use i n Const r uct i on and Cr i t er i a f or Labor at or y Eval uat i on

ASTM C117 ( 2017) St andar d Test Met hod f or Mat er i al s Fi ner t han 75- um ( No. 200) Si eve i n Mi ner al Aggr egat es by Washi ng

ASTM C123 ( 2014) St andar d Test Met hod f or Li ght wei ght Par t i c l es i n Aggr egat e

ASTM C1260 ( 2014) St andar d Test Met hod f or Pot ent i al Al kal i React i v i t y of Aggr egat es ( Mor t ar - Bar Met hod)

ASTM C131 ( 2014) St andar d Test Met hod f or Resi st ance t o Degr adat i on of Smal l - Si ze Coar se Aggr egat e by Abr asi on and I mpact i n t he Los Angel es Machi ne

ASTM C136 ( 2014) St andar d Test Met hod f or Si eve Anal ysi s of Fi ne and Coar se Aggr egat es

ASTM C138 ( 2017a) St andar d Test Met hod f or Densi t y ( Uni t Wei ght ) , Yi el d, and Ai r Cont ent ( Gr avi met r i c) of Concr et e

ASTM C142 ( 2017) St andar d Test Met hod f or Cl ay Lumps and Fr i abl e Par t i c l es i n Aggr egat es

ASTM C143 ( 2015) St andar d Test Met hod f or Sl ump of Hydr aul i c- Cement Concr et e

ASTM C150 ( 2017) St andar d Speci f i cat i on f or Por t l and Cement

ASTM C1567 ( 2013) St andar d Test Met hod f or Pot ent i al Al kal i - Si l i ca React i v i t y of Combi nat i ons of Cement i t i ous Mat er i al s and Aggr egat e ( Accel er at ed Mor t ar - Bar Met hod)

ASTM C1602 ( 2012) St andar d Speci f i cat i on f or Mi xi ng Wat er Used i n Pr oduct i on of Hydr aul i c Cement Concr et e

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ASTM C1646 ( 2016) Maki ng and Cur i ng Test Speci mens f or Eval uat i ng Fr ost Resi st ance of Coar se Aggr egat e i n Ai r - Ent r ai ned Concr et e by Rapi d Fr eezi ng and Thawi ng

ASTM C172 ( 2014a) St andar d Pr act i ce f or Sampl i ng Fr eshl y Mi xed Concr et e

ASTM C174 ( 2017) St andar d Test Met hod f or Measur i ng Thi ckness of Concr et e El ement s Usi ng Dr i l l ed Concr et e Cor es

ASTM C192 ( 2016a) St andar d Pr act i ce f or Maki ng and Cur i ng Concr et e Test Speci mens i n t he Laboratory

ASTM C231 ( 2017a) St andar d Test Met hod f or Ai r Cont ent of Fr eshl y Mi xed Concr et e by t he Pr essur e Met hod

ASTM C260 ( 2010a; R 2016) St andar d Speci f i cat i on f or Ai r - Ent r ai ni ng Admi xt ur es f or Concr et e

ASTM C294 ( 2012; R 2017) St andar d Descr i pt i ve Nomencl at ur e f or Const i t uent s of Concr et e Aggregates

ASTM C295 ( 2012) Pet r ogr aphi c Exami nat i on of Aggr egat es f or Concr et e

ASTM C31 ( 2017) St andar d Pr act i ce f or Maki ng and Cur i ng Concr et e Test Speci mens i n t he Fi el d

ASTM C33 ( 2016) St andar d Speci f i cat i on f or Concr et e Aggregates

ASTM C39 ( 2017b) St andar d Test Met hod f or Compr essi ve St r engt h of Cyl i ndr i cal Concr et e Speci mens

ASTM C494 ( 2017) St andar d Speci f i cat i on f or Chemi cal Admi xt ur es f or Concr et e

ASTM C595 ( 2017) St andar d Speci f i cat i on f or Bl ended Hydr aul i c Cement s

ASTM C618 ( 2012a) St andar d Speci f i cat i on f or Coal Fl y Ash and Raw or Cal c i ned Nat ur al Pozzol an f or Use i n Concr et e

ASTM C666 ( 2015) Resi st ance of Concr et e t o Rapi d Fr eezi ng and Thawi ng

ASTM C78 ( 2016) St andar d Test Met hod f or Fl exur al St r engt h of Concr et e ( Usi ng Si mpl e Beam wi t h Thi r d- Poi nt Loadi ng)

ASTM C88 ( 2013) St andar d Test Met hod f or Soundness of Aggr egat es by Use of Sodi um Sul f at e or

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Magnesi um Sul f at e

ASTM C881 ( 2015) St andar d Speci f i cat i on f or Epoxy- Resi n- Base Bondi ng Syst ems f or Concrete

ASTM C94 ( 2017a) St andar d Speci f i cat i on f or Ready- Mi xed Concr et e

ASTM D1752 ( 2004a; R 2013) St andar d Speci f i cat i on f or Pr ef or med Sponge Rubber Cor k and Recycl ed PVC Expansi on

ASTM D2995 ( 1999; R 2009) Det er mi ni ng Appl i cat i on Rat e of Bi t umi nous Di st r i but or s

ASTM D3665 ( 2012) Random Sampl i ng of Const r uct i on Materials

ASTM D4791 ( 2010) Fl at Par t i c l es, El ongat ed Par t i c l es, or Fl at and El ongat ed Par t i c l es i n Coar se Aggr egat e

ASTM D75 ( 2014) St andar d Pr act i ce f or Sampl i ng Aggregates

NATI ONAL READY MI XED CONCRETE ASSOCI ATI ON ( NRMCA)

NRMCA QC 3 ( 2011) Qual i t y Cont r ol Manual : Sect i on 3, Pl ant Cer t i f i cat i ons Checkl i st :

Cer t i f i cat i on of Ready Mi xed Concr et e Pr oduct i on Faci l i t i es

U. S. AI R FORCE ( USAF)

AF ETL 97- 5 ( 1997) Pr opor t i oni ng Concr et e Mi xt ur es wi t h Gr aded Aggr egat es f or Ri gi d Ai r f i el d Pavements

U. S. ARMY CORPS OF ENGI NEERS ( USACE)

COE CRD- C 130 ( 2001) St andar d Recommended Pr act i ce f or Est i mat i ng Scr at ch Har dness of Coar se Aggr egat e Par t i c l es

COE CRD- C 143 ( 1962) Speci f i cat i ons f or Met er s f or Aut omat i c I ndi cat i on of Moi st ur e i n Fi ne Aggregate

COE CRD- C 300 ( 1990) Speci f i cat i ons f or Membr ane- For mi ng Compounds f or Cur i ng Concr et e

COE CRD- C 521 ( 1981) St andar d Test Met hod f or Fr equency and Ampl i t ude of Vi br at or s f or Concr et e

COE CRD- C 55 ( 1992) Test Met hod f or Wi t hi n- Bat ch Uni f or mi t y of Fr eshl y Mi xed Concr et e

COE CRD- C 662 ( 2009) Det er mi ni ng t he Pot ent i al

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Al kal i - Si l i ca React i v i t y of Combi nat i ons of Cement i t i ous Mat er i al s, Li t hi um Ni t r at e Admi xt ur e and Aggr egat e ( Accel er at ed Mor t ar - Bar Met hod)

1. 2 SUBMITTALS

Gover nment appr oval i s r equi r ed f or submi t t al s wi t h a " G" desi gnat i on;

submi t t al s not havi ng a " G" desi gnat i on ar e f or i nf or mat i on onl y. When used, a desi gnat i on f ol l owi ng t he " G" desi gnat i on i dent i f i es t he of f i ce t hat wi l l r evi ew t he submi t t al f or t he Gover nment . Submi t t he f ol l owi ng i n accor dance wi t h Sect i on 01 33 00 SUBMI TTAL PROCEDURES:

SD- 03 Pr oduct Dat a

Di amond Gr i ndi ng Pl an; G, AE

Dowel s; G, AE

Dowel Bar Assembl i es; G, AE

Equipment

Pr oposed Techni ques; G, AE

SD- 05 Desi gn Dat a

Pr el i mi nar y Pr oposed Pr opor t i oni ng; G, DO

Pr opor t i oni ng St udi es; G, DO

SD- 06 Test Repor t s

Bat ch Pl ant Manuf act ur er ' s I nspect i on Repor t ; G, AE

Sl i pf or m Paver Manuf act ur er ' s I nspect i on Repor t ; G, AE

Sampl i ng and Test i ng; G, AE

Di amond Gr i ndi ng of PCC Sur f aces; G, AE

Mi xer Per f or mance ( Uni f or mi t y) Test i ng; G, AE

Repai r Recommendat i ons Pl an; G, AE

SD- 07 Cer t i f i cat es

Cont r act or Qual i t y Cont r ol St af f ; G, AE

Labor at or y Accr edi t at i on and Val i dat i on

Commer ci al Labor at or y; G, AE

NRMCA Cer t i f i cat e of Conf or mance

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1. 3 QUALI TY CONTROL

1. 3. 1 Cont r act or Qual i t y Cont r ol St af f

Ref er ence Sect i on 01 45 00. 00 10 QUALI TY CONTROL f or Cont r act or per sonnel qual i f i cat i on r equi r ement s. Submi t Amer i can Concr et e I nst i t ut e cer t i f i cat i on f or Cont r act or Qual i t y Cont r ol st af f . Qual i f i cat i ons and r esumes f or pet r ogr apher , sur veyor , concr et e bat ch pl ant oper at or , and pr of i l ogr aph oper at or . Al l Cont r act or Qual i t y Cont r ol per sonnel assi gned t o concr et e const r uct i on ar e r equi r ed t o be Amer i can Concr et e I nst i t ut e ( ACI ) cer t i f i ed i n t he f ol l owi ng gr ade:

a. The mi ni mum r equi r ement s f or t he CQC Syst em Manager consi st of bei ng a gr aduat e engi neer or a gr aduat e of const r uct i on management , wi t h a mi ni mum of 5 year s ai r f i el d const r uct i on exper i ence and a mi ni mum of 1 year exper i ence as a CQC Syst em Manager on an ai r f i el d const r uct i on project.

b. CQC per sonnel r esponsi bl e f or i nspect i on of concr et e pavi ng oper at i ons: ACI Concr et e Tr anspor t at i on I nspect or . The ACI Concr et e Tr anspor t at i on I nspect or i s r equi r ed t o be pr esent at t he Pavi ng Si t e dur i ng al l pavi ng oper at i ons, wi t h t he except i on of t he i ni t i al saw cut t i ng oper at i on. The QC manager i s r equi r ed t o be pr esent dur i ng i ni t i al saw cut t i ng oper at i ons.

c. CQC st af f i s r equi r ed t o over see al l aspect s of sawi ng oper at i ons ( sawi ng, f l ushi ng, vacuumi ng, checki ng f or r andom cr acki ng, l i ght i ng) .

d. Lead For eman or Jour neyman of t he Concr et e Pl aci ng, Fi ni shi ng, and Cur i ng Cr ews: ACI Concr et e Fl at wor k Techni c i an/ Fi ni sher .

e. Bat ch Pl ant Manuf act ur er ' s Repr esent at i ve: A r epr esent at i ve f r om t he bat ch pl ant manuf act ur er i s r equi r ed t o be on- si t e t o i nspect and make necessar y adj ust ment s t o al l component s of t he bat ch pl ant i ncl udi ng but not l i mi t ed t o aggr egat e bi n wei ghi ng oper at i ons, wat er met er i ng, cement and f l y ash wei ghi ng devi ces. Al l necessar y i nspect i ons and adj ust ment s by t he manuf act ur er r epr esent at i ve i s r equi r ed t o be per f or med pr i or t o uni f or mi t y t est i ng. Submi t a wr i t t en Bat ch Pl ant Manuf act ur er ' s I nspect i on Repor t s i gned by t he r epr esent at i ve not i ng al l i nspect i on i t ems and cor r ect i ons and st at i ng t he bat ch pl ant i s capabl e of pr oduci ng t he vol ume of concr et e as r equi r ed her ei n.

f . Fi el d Test i ng Techni c i ans: ACI Concr et e Fi el d Test i ng Techni c i an, Gr ade I .

g. Sl i pf or m Pavi ng Equi pment Manuf act ur er ' s Repr esent at i ve: A r epr esent at i ve of t he s l i pf or m pavi ng equi pment manuf act ur er i s r equi r ed t o be on- si t e t o i nspect and make cor r ect i ons t o t he pavi ng equi pment t o ensur e pr oper oper at i ons. Per f or m a compl et e and f ul l hydr aul i c f l ow t est of t he v i br at or syst em pr i or t o t he t est sect i on bei ng pl aced. Submi t a wr i t t en Sl i pf or m Paver Manuf act ur er ' s I nspect i on Repor t s i gned by t he manuf act ur er ' s r epr esent at i ve not i ng al l i nspect i ons, cor r ect i ons, and f l ow t est s have been per f or med and t he paver i s i n a condi t i on t o per f or m t he r equi r ed wor k.

h. Labor at or y Test i ng Techni c i ans: ACI Concr et e St r engt h Test i ng Techni c i an and Labor at or y Test i ng Techni c i an, Gr ade I or I I .

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1. 3. 2 Ot her St af f

Submi t f or appr oval , t he qual i f i cat i ons and r esumes f or t he f ol l owi ng st af f :

a. Pet r ogr apher : Bachel or of Sci ence degr ee i n geol ogy or pet r ogr aphy, t r ai ned i n pet r ogr aphi c exami nat i on of concr et e aggr egat e accor di ng t o ASTM C294 and ASTM C295 and t r ai ned i n i dent i f i cat i on of t he speci f i c del et er i ous mat er i al s and t est s i dent i f i ed i n t hi s Speci f i cat i on.

Det ai l t he educat i on, t r ai ni ng, and exper i ence r el at ed t o t he pr oj ect - speci f i c t est met hods and del et er i ous mat er i al s i n t he Resume and submi t at l east 20 days bef or e pet r ogr aphi c and del et er i ous mat er i al s exami nat i on i s t o commence.

b. Li censed Sur veyor : Per f or m al l sur vey wor k under t he super vi s i on of a Li censed Sur veyor .

c. Concr et e Bat ch Pl ant Oper at or : Nat i onal Ready Mi x Concr et e Associ at i on ( NRMCA) Pl ant Manager cer t i f i cat i on.

1. 3. 3 Labor at or y Accr edi t at i on and Val i dat i on

Pr ovi de l abor at or y and t est i ng f aci l i t i es. Submi t accr edi t at i on of t he commer ci al l abor at or y by an i ndependent eval uat i on aut hor i t y, i ndi cat i ng conf or mance t o ASTM C1077, i ncl udi ng al l appl i cabl e t est pr ocedur es. The l abor at or i es per f or mi ng t he t est s ar e r equi r ed t o be accr edi t ed i n accor dance wi t h ASTM C1077, i ncl udi ng ASTM C78 and ASTM C1260. Pr ovi de cur r ent accr edi t at i on and i ncl ude t he r equi r ed and opt i onal t est met hods, as speci f i ed. I n addi t i on, al l Cont r act or qual i t y cont r ol t est i ng l abor at or i es per f or mi ng accept ance t est i ng r equi r e USACE val i dat i on by t he Mat er i al Test i ng Cent er ( MTC) f or bot h par ent l abor at or y and on- si t e l abor at or y. Val i dat i on on al l l abor at or i es i s r equi r ed t o r emai n cur r ent t hr oughout t he dur at i on of t he Pavi ng Pr oj ect . Cont act t he MTC manager l i s t ed at http://www.erdc.usace.army.mil/Media/FactSheets/FactSheetArticleView/tabid/9254/Article/476661/materials-testing-center.aspx f or cost s and schedul i ng. Pr ovi de on- si t e t emper at ur e- cont r ol l ed concr et e cur i ng f aci l i t i es.

1. 3. 3. 1 Aggr egat e Test i ng and Mi x Pr opor t i oni ng

Aggr egat e t est i ng and mi xt ur e pr opor t i oni ng st udi es ar e r equi r ed t o be per f or med by a commer ci al l abor at or y.

1. 3. 3. 2 Accept ance Test i ng

Pr ovi de al l mat er i al s, l abor , and f aci l i t i es r equi r ed f or mol di ng, cur i ng, t est i ng, and pr ot ect i ng t est speci mens at t he Pavi ng Si t e and i n t he l abor at or y. Pr ovi de st eel mol ds f or mol di ng t he beam speci mens. Pr ovi de and mai nt ai n boxes or ot her f aci l i t i es sui t abl e f or st or i ng and cur i ng t he speci mens at t he Pavi ng Si t e whi l e i n t he mol d wi t hi n t he t emper at ur e r ange st i pul at ed by ASTM C31. Pr ovi de f l exur al l oadi ng equi pment i n accor dance with ASTM C78.

1. 3. 3. 3 Cont r act or Qual i t y Cont r ol

Al l sampl i ng and t est i ng i s r equi r ed t o be per f or med by an appr oved, on- si t e, i ndependent , commer ci al l abor at or y, or f or cement i t i ous mat er i al s and admi xt ur es, t he manuf act ur er ' s l abor at or y.

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1. 3. 3. 4 Labor at or y I nspect i on

The Gover nment wi l l i nspect al l l abor at or i es r equi r i ng val i dat i on f or equi pment and t est pr ocedur es pr i or t o t he st ar t of any concr et i ng oper at i ons f or conf or mance t o ASTM C1077. Schedul e and pr ovi de payment f or l abor at or y i nspect i ons. Addi t i onal payment or a t i me ext ensi on due t o f ai l ur e t o acqui r e t he r equi r ed l abor at or y val i dat i on i s not al l owed. The l abor at or y i s t o mai nt ai n t hi s cer t i f i cat i on f or t he dur at i on of t he Project.

1. 3. 4 Pr econst r uct i on Test i ng of Mat er i al s

Al l sampl i ng and t est i ng i s r equi r ed t o be per f or med. Use an appr oved commer ci al l abor at or y or , f or cement i t i ous mat er i al s and chemi cal admi xt ur es, a l abor at or y mai nt ai ned by t he manuf act ur er of t he mat er i al .

Mat er i al s ar e not al l owed t o be used unt i l not i ce of accept ance has been gi ven. Addi t i onal payment or ext ensi on of t i me due t o f ai l ur e of any mat er i al t o meet Pr oj ect Requi r ement s, or f or any addi t i onal sampl i ng or t est i ng r equi r ed i s not al l owed. Addi t i onal t est s may be per f or med by t he Gover nment ; such Gover nment t est i ng does not r el i eve any r equi r ed t est i ng responsibilities.

1. 3. 4. 1 Aggregates

Sampl e aggr egat es i n t he pr esence of a Gover nment Repr esent at i ve. Obt ai n sampl es i n accor dance wi t h ASTM D75 and be r epr esent at i ve of t he mat er i al s t o be used f or t he Pr oj ect . Per f or m al l aggr egat e t est s no ear l i er t han 120 days pr i or t o const r uct i on. Submi t t est r esul t s a mi ni mum of 7 days bef or e commenci ng mi xt ur e pr opor t i oni ng st udi es.

1. 3. 4. 2 Chemi cal Admi xt ur es, Cur i ng Compounds and Epoxi es

At l east 30 days bef or e t he mat er i al i s used, submi t cer t i f i ed copi es of t est r esul t s f or t he speci f i c l ot s or bat ches t o be used on t he Pr oj ect .

Pr ovi de t est r esul t s l ess t han 6 mont hs ol d pr i or t o use i n t he wor k.

Ret est chemi cal admi xt ur es t hat have been i n st or age at t he Pr oj ect Si t e f or l onger t han 6 mont hs or t hat have been subj ect ed t o f r eezi ng, and r ej ect ed i f t est r esul t s do not meet manuf act ur er r equi r ement s.

1. 3. 4. 3 Cement i t i ous Mat er i al s

Cement , s l ag cement , and pozzol an wi l l be accept ed on t he basi s of manuf act ur er ' s cer t i f i cat i on of compl i ance, accompani ed by mi l l t est r epor t s showi ng t hat t he mat er i al i n each shi pment meet s t he r equi r ement s of t he speci f i cat i on under whi ch i t i s pr ovi ded. Pr ovi de mi l l t est r epor t s no mor e t han 1 mont h ol d, pr i or t o use i n t he wor k. Do not use cement i t i ous mat er i al s unt i l not i ce of accept ance has been gi ven.

Cement i t i ous mat er i al s may be subj ect ed t o t est i ng by t he Gover nment f r om sampl es obt ai ned at t he mi l l , at t r ansf er poi nt s, or at t he Pr oj ect Si t e.

I f t est s pr ove t hat a cement i t i ous mat er i al t hat has been del i ver ed i s unsat i sf act or y, pr ompt l y r emove i t f r om t he Pr oj ect Si t e. Ret est cement i t i ous mat er i al t hat has not been used wi t hi n 6 mont hs af t er t est i ng, and r ej ect i f t est r esul t s do not meet manuf act ur er r equi r ement s.

1. 3. 5 Test i ng Dur i ng Const r uct i on

Dur i ng const r uct i on, sampl e and t est aggr egat es, cement i t i ous mat er i al s, and concr et e as speci f i ed her ei n. The Gover nment wi l l sampl e and t est concr et e and i ngr edi ent mat er i al s as consi der ed appr opr i at e. Pr ovi de

SECTI ON 32 13 14. 13 Page 8 f aci l i t i es and l abor as may be necessar y f or pr ocur ement of r epr esent at i ve t est sampl es. Test i ng by t he Gover nment does not r el i eve t he speci f i ed t est i ng r equi r ement s.

**AM004**

1. 3. 6 Test Sect i on

Up t o 10 days, but not mor e t han 60 days, pr i or t o const r uct i on of t he concr et e pavement , const r uct a t est sect i on near t he Job Si t e, but not as par t of t he pr oduct i on pavement ar ea. as par t of t he pr oduct i on pavi ng ar ea at an out er edge as i ndi cat ed on t he Dr awi ngs . Const r uct t est sect i on of t he same dept h as t he cour se whi ch i t r epr esent s. The under l y i ng gr ade or pavement st r uct ur e upon whi ch t he t est sect i on i s t o be const r uct ed i s r equi r ed t o be t he same as t he r emai nder of t he cour se r epr esent ed by t he t est sect i on. The equi pment used i n const r uct i on of t he t est sect i on i s r equi r ed t o be t he same equi pment t o be used on t he r emai nder of t he cour se r epr esent ed by t he t est sect i on. Use t he t est sect i on t o devel op and demonst r at e t he pr oposed t echni ques of mi x i ng, haul i ng, pl aci ng, consol i dat i ng, f i ni shi ng, cur i ng, i ni t i al saw cut t i ng, st ar t - up pr ocedur es, t est i ng met hods, pl ant oper at i ons, and t he pr epar at i on of t he const r uct i on j oi nt s. Per f or m var i at i ons i n mi xt ur e pr opor t i ons, ot her t han wat er , i f di r ect ed. Oper at e and cal i br at e t he mi xi ng pl ant pr i or t o st ar t of pl aci ng t he t est sect i on. Use t he same equi pment , mat er i al s, and const r uct i on t echni ques on t he t est sect i on pr oposed f or use i n al l subsequent wor k.

Per f or m base cour se pr epar at i on, concr et e pr oduct i on, pl aci ng, consol i dat i ng, cur i ng, const r uct i on of j oi nt s, and al l t est i ng i n accor dance wi t h appl i cabl e pr ovi s i ons of t hi s Speci f i cat i on. Thr ee days af t er compl et i on of t he t est sect i on, pr ovi de ei ght cor es at l east 6 i nches i n di amet er by f ul l dept h cut f r om poi nt s sel ect ed i n t he t est sect i on by t he Gover nment . Const r uct t he t est sect i on meet i ng al l Speci f i cat i on Requi r ement s and bei ng accept abl e i n al l aspect s, i ncl udi ng sur f ace t ext ur e, t hi ckness, gr ade, and l ongi t udi nal and t r ansver se j oi nt al i gnment . Fai l ur e t o const r uct an accept abl e t est sect i on necessi t at es const r uct i on of addi t i onal t est sect i ons at no addi t i onal cost t o t he Gover nment . Remove t est sect i ons al l owed t o be const r uct ed as par t of t he pr oduct i on pavement whi ch do not meet speci f i cat i on r equi r ement s at no expense t o t he Gover nment . I f s l i pf or m pavi ng i s per f or med and i s unabl e t o const r uct an accept abl e t est sect i on, r epai r or r epl ace t he s l i pf or m pavi ng equi pment , or pavi ng compl et ed usi ng f i xed- f or ms and equi pment compat i bl e wi t h t hem and al l owed by t he speci f i cat i on. Do not commence pr oduct i on pavi ng unt i l t he r esul t s on aggr egat es and concr et e, i nc l udi ng eval uat i on of cor es, and al l pavement measur ement s f or edge sl ump, j oi nt f ace def or mat i on, act ual pl an gr ade, sur f ace smoot hness and t hi ckness have been submi t t ed and appr oved.

**AM004**

**AM004**

1. 3. 6. 1 Pi l ot Lane

Const r uct t he t est sect i on as par t of t he pr oduct i on pavi ng ar ea at an out er edge as i ndi cat ed on t he Dr awi ngs consi st i ng of one pavi ng l ane at least 400200 f eet l ong and t o t he same t hi ckness as t he t hi ckest por t i on of pavement shown on t he Dr awi ngs. Const r uct at t he same l ane wi dt h as t hat r equi r ed f or use i n t he Pr oj ect . Pr ovi de at l east one t r ansver se const r uct i on j oi nt i n t he t est sect i on. I f dowel ed l ongi t udi nal const r uct i on j oi nt s ar e r equi r ed i n any of t he pr oduct i on pavement s, SECTI ON 32 13 14. 13 Page 9 i nst al l t hem f ul l l engt h al ong one si de of t he t est l ane t hr oughout t he t est sect i on. Const r uct t he t est sect i on on t wo separ at e days.

**AM004**

**AM004**

1. 3. 6. 2 Fi l l - I n Lane

Consi der t he f i r st minimum 400200 f eet of t he i ni t i al pr oduct i on f i l l - i n l ane as a f i l l - i n l ane t est sect i on f or pur poses of t est i ng and eval uat i on. Al l r equi r ement s f or t he t est sect i on ar e appl i cabl e. Obt ai n cor es f r om t he f i l l - i n l ane s i de of t he l ongi t udi nal const r uct i on j oi nt wi t h t he pi l ot l ane.

**AM004**

1. 3. 7 Accept abi l i t y of Wor k

The mat er i al s and t he pavement i t sel f wi l l be accept ed on t he basi s of pr oduct i on t est i ng. The Gover nment may make check t est s t o val i dat e t he r esul t s of t he pr oduct i on t est i ng. I f t he r esul t s of t he pr oduct i on t est i ng var y by l ess t han 2. 0 per cent of t he Gover nment ' s t est r esul t s, t he r esul t s of t he pr oduct i on t est i ng wi l l be used. I f t he r esul t s of t he Gover nment and pr oduct i on t est s var y by 2. 0 per cent , but l ess t han 4. 0 per cent , t he aver age of t he t wo wi l l be consi der ed t he val ue t o be used.

I f t hese var y by 4. 0 per cent or mor e, car ef ul l y eval uat e each sampl i ng and t est i ng pr ocedur e and obt ai n anot her ser i es of Gover nment and pr oduct i on t est s on dupl i cat e sampl es of mat er i al . I f t hese var y by 4. 0 per cent or mor e, use t he r esul t s of t he t est s made by t he Gover nment and t he Gover nment wi l l cont i nue check t est i ng of t hi s i t em on a cont i nuous basi s unt i l t he t wo set s of t est s agr ee wi t hi n l ess t han 4. 0 per cent on a r egul ar basi s. Test i ng per f or med by t he Gover nment does not r el i eve t he speci f i ed t est i ng r equi r ement s.

1. 3. 8 Accept ance Requi r ement s

1. 3. 8. 1 Pavement Lot s

A l ot i s t hat quant i t y of const r uct i on t o be eval uat ed f or accept ance wi t h Speci f i cat i on Requi r ement s. A l ot i s equal t o one shi f t of pr oduct i on not t o exceed 1000 cubi c yar ds. I n or der t o eval uat e t hi ckness, di v i de each l ot i nt o f our equal subl ot s. A subl ot i s equal t o one shi f t of pr oduct i on not t o exceed 250 cubi c yar ds. Gr ade det er mi nat i ons wi l l be made on t he l ot as a whol e. Sur f ace smoot hness det er mi nat i ons wi l l be made on ever y

0. 1 mi l e segment i n each l ot . Sel ect sampl e l ocat i ons on a r andom basi s i n accor dance wi t h ASTM D3665. When oper at i onal condi t i ons cause a l ot t o be t er mi nat ed bef or e t he speci f i ed f our subl ot s have been compl et ed, use t he f ol l owi ng pr ocedur e t o adj ust t he l ot s i ze and number of t est s f or t he l ot . Wher e t hr ee subl ot s have been compl et ed, t hey const i t ut e a l ot .

Wher e one or t wo subl ot s have been compl et ed, i ncor por at e t hem i nt o t he next l ot ( except f or t he l ast l ot ) , and t he t ot al number of subl ot s used and accept ance cr i t er i a adj ust ed accor di ngl y.

1. 3. 8. 2 Evaluation

Pr ovi de al l sampl i ng and t est i ng r equi r ed f or accept ance and payment adj ust ment , i ncl udi ng bat ch t i cket s wi t h al l r equi r ed accept ance t est i ng.

I ndi v i dual s per f or mi ng sampl i ng, t est i ng, and i nspect i on dut i es ar e

SECTI ON 32 13 14. 13 Page 10 r equi r ed t o meet t he Qual i f i cat i ons. The Gover nment r eser ves t he r i ght t o di r ect addi t i onal sampl es and t est s f or any ar ea whi ch appear s t o devi at e f r om t he Speci f i cat i on Requi r ement s. Test i ng i n t hese ar eas ar e i n addi t i on t o t he subl ot or l ot t est i ng, and t he r equi r ement s f or t hese ar eas ar e t he same as t hose f or a subl ot or l ot . Pr ovi de f aci l i t i es f or and, wher e di r ect ed, per sonnel t o assi st i n obt ai ni ng sampl es f or any Gover nment testing.

1. 4 DELI VERY, STORAGE, AND HANDLI NG

1. 4. 1 Bul k Cement i t i ous Mat er i al s

Pr ovi de al l cement i t i ous mat er i al s i n bul k at a t emper at ur e, as del i ver ed t o st or age at t he Si t e, not exceedi ng 150 degr ees F. Pr ovi de suf f i c i ent cement i t i ous mat er i al s i n st or age t o sust ai n cont i nuous oper at i on of t he concr et e mi xi ng pl ant whi l e t he pavement i s bei ng pl aced. Pr ovi de separ at e f aci l i t i es t o pr event any i nt er mi xi ng dur i ng unl oadi ng, t r anspor t i ng, st or i ng, and handl i ng of each t ype of cement i t i ous mat er i al .

1. 4. 2 Aggr egat e Mat er i al s

St or e aggr egat e at t he Si t e of t he bat chi ng and mi xi ng pl ant avoi di ng br eakage, segr egat i on, i nt er mi xi ng or cont ami nat i on by f or ei gn mat er i al s.

St or e each si ze of aggr egat e f r om each sour ce separ at el y i n f r ee- dr ai ni ng st ockpi l es. Pr ovi de a mi ni mum 24 i nch t hi ck sacr i f i c i al l ayer l ef t undi st ur bed f or each aggr egat e st or ed on gr ound. Pr ovi de f r ee- dr ai ni ng st or age f or f i ne aggr egat e and t he smal l est s i ze coar se aggr egat e f or at l east 24 hour s i mmedi at el y pr i or t o use. Mai nt ai n suf f i c i ent aggr egat e at t he Si t e at al l t i mes t o per mi t cont i nuous uni nt er r upt ed oper at i on of t he mi xi ng pl ant at t he t i me concr et e pavement i s bei ng pl aced. Do not al l ow t r acked equi pment on coar se aggr egat e st ockpi l es.

1. 4. 3 Ot her Mat er i al s

St or e r ei nf or c i ng bar s and accessor i es above t he gr ound on suppor t s. St or e al l mat er i al s t o avoi d cont ami nat i on and det er i or at i on.

PART 2 PRODUCTS

2. 1 SYSTEM DESCRI PTI ON

Thi s Sect i on i s i nt ended t o st and al one f or const r uct i on of concr et e pavement . However , wher e t he const r uct i on cover ed her ei n i nt er f aces wi t h ot her sect i ons, const r uct each i nt er f ace t o conf or m t o t he r equi r ement s of bot h t hi s Sect i on and t he ot her Sect i on, i ncl udi ng t ol er ances f or bot h.

2. 1. 1 Sur f ace Smoot hness

Use t he st r ai ght edge met hod f or t r ansver se t est i ng, f or l ongi t udi nal t est i ng wher e t he l engt h of each pavement l ane i s l ess t han 200 f eet , and at t he ends of t he pavi ng l i mi t s f or t he Pr oj ect . Smoot hness r equi r ement s do not appl y over cr owns, dr ai nage st r uct ur es, or s i mi l ar penet r at i on.

Mai nt ai n det ai l ed not es of t he t est i ng r esul t s and pr ovi de a copy t o t he Gover nment af t er each day' s t est i ng.

2. 1. 1. 1 St r ai ght edge Test i ng

Pr ovi de t he f i ni shed sur f aces of t he pavement s wi t h no abr upt change of 1/ 4 i nch or mor e, and al l pavement s wi t hi n t he l i mi t s speci f i ed when checked

SECTI ON 32 13 14. 13 Page 11 wi t h an appr oved 12 f oot st r ai ght edge. Pr ovi de apr on ar eas wi t h a var i at i on f r om a st r ai ght edge not gr eat er t han 1/ 4 i nch i n ei t her t he l ongi t udi nal or t r ansver se di r ect i on.

2. 1. 1. 2 Bumps ( " Must Gr i nd" Ar eas)

Reduce any bumps ( " must gr i nd" ar eas) shown on t he pr of i l ogr aph t r ace whi ch exceed 0. 4 i nch i n hei ght by di amond gr i ndi ng i n accor dance wi t h Subpar agr aph " Di amond Gr i ndi ng of PCC Sur f aces" bel ow unt i l t hey do not exceed 0. 3 i nch when r et est ed. Taper such di amond gr i ndi ng i n al l di r ect i ons t o pr ovi de smoot h t r ansi t i ons t o ar eas not r equi r i ng di amond grinding.

2. 1. 1. 3 Test i ng Met hod

Af t er t he concr et e has har dened suf f i c i ent l y t o per mi t wal k i ng t her eon, but not l at er t han 48 hour s af t er pl acement , t est t he ent i r e sur f ace of t he pavement i n each l ot i n such a manner as t o r eveal al l sur f ace i r r egul ar i t i es exceedi ng t he t ol er ances speci f i ed above. I f any pavement ar eas ar e di amond gr ound, r et est t hese ar eas i mmedi at el y af t er di amond gr i ndi ng. Test t he ent i r e ar ea of t he pavement i n bot h a l ongi t udi nal and a t r ansver se di r ect i on on par al l el l i nes. Per f or m t he t r ansver se l i nes 15 f eet or l ess apar t , as di r ect ed. Per f or m t he l ongi t udi nal l i nes at t he cent er l i ne of each pavi ng l ane shown on t he Dr awi ngs, r egar dl ess of whet her mul t i pl e l anes ar e al l owed t o be paved at t he same t i me, and at t he 1/ 8t h poi nt i n f r om each si de of t he l ane. Al so t est ot her ar eas havi ng obvi ous devi at i ons. Per f or m l ongi t udi nal t est i ng l i nes cont i nuous acr oss al l j oi nt s. Per f or m t r ansver se t est i ng l i nes f or pi l ot l anes car r i ed t o const r uct i on j oi nt l i nes and f or f i l l - i n l anes car r i ed 24 i nches acr oss const r uct i on j oi nt s, and t he r eadi ngs i n t hi s ar ea appl i ed t o t he f i l l - i n l ane. Per f or m st r ai ght edge t est i ng of t he l ongi t udi nal edges of s l i pf or med pi l ot l anes bef or e pavi ng f i l l - i n l anes as speci f i ed bel ow.

2. 1. 1. 3. 1 St r ai ght edge Test i ng

Hol d t he st r ai ght edge i n cont act wi t h t he sur f ace and moved ahead one- hal f t he l engt h of t he st r ai ght edge f or each successi ve measur ement . Det er mi ne t he amount of sur f ace i r r egul ar i t y by pl aci ng t he f r eest andi ng ( unl evel ed) st r ai ght edge on t he pavement sur f ace and measur i ng t he maxi mum gap bet ween t he st r ai ght edge and t he pavement sur f ace. Det er mi ne measur ement s al ong t he ent i r e l engt h of t he st r ai ght edge.

2. 1. 2 Edge Sl ump and Joi nt Face Def or mat i on

2. 1. 2. 1 Edge Sl ump

When sl i p- f or m pavi ng i s used, pr ovi de a maxi mum of 15. 0 per cent of t he t ot al f r ee edge of each pavement panel wi t h a maxi mum edge sl ump of 1/ 4 i nch and none of t he f r ee edge of t he pavement l ot wi t h an edge sl ump exceedi ng 3/ 8 i nch. ( A pavement panel i s def i ned as a l ane wi dt h by t he l engt h bet ween t wo adj acent t r ansver se cont r act i on j oi nt s. The t ot al f r ee edge of t he pavement i s t he cumul at i ve t ot al l i near measur ement of pavement panel edge or i gi nal l y const r uct ed as non- adj acent t o any exi st i ng pavement ; f or exampl e, 100 f eet of pi l ot l ane or i gi nal l y const r uct ed as a separ at e l ane, woul d have 200 f eet of f r ee edge; 100 f eet of f i l l - i n l ane woul d have no f r ee edge) . The ar ea af f ect ed by t he downwar d movement of t he concr et e al ong t he pavement edge i s a maxi mum of 18 i nches back f r om t he edge.

SECTI ON 32 13 14. 13 Page 12

2. 1. 2. 2 Joi nt Face Def or mat i on

I n addi t i on t o t he edge sl ump l i mi t s speci f i ed above, pr ovi de a ver t i cal j oi nt f ace wi t h a sur f ace wi t hi n t he maxi mum l i mi t s shown bel ow:

Of f set f r om Straightedge Applied Longitudinally t o Pavement Sur f ace ( a)

Of f set f r om Straightedge Applied Longitudinally t o Ver t i cal Face ( b)

Of f set f r om Straightedge Appl i ed Top t o Bot t om Agai nst t he Joi nt Face (c)

Abr upt Of f set i n Any Di r ect i on ( d)

Of f set of Joi nt Face f r om Tr ue Ver t i cal ( e)

Ai r f i el d Pavement

1/ 8 i nch 1/ 4 i nch 3/ 8 i nch 1/ 8 i nch 1 i nch per 12 i nches

( a) Measur ement i s t aken by pl aci ng t he st r ai ght edge l ongi t udi nal l y on t he pavement sur f ace 1 i nch f r om t he f r ee edge.

( b) Measur ement i s t aken by appl yi ng t he st r ai ght edge l ongi t udi nal l y al ong t he ver t i cal j oi nt f ace.

( c) Measur ement pl aces a 3/ 8 i nch spacer at t ached t o a st r ai ght edge and spaced appr oxi mat el y equal t o t he t hi ckness of t he concr et e bei ng measur ed. The of f set f r om st r ai ght edge wi t h spacer s i s measur ed by pl aci ng t he spacer s agai nst t he t op and bot t om of t he ver t i cal concr et e f ace.

( d) An abr upt of f set i n t he j oi nt f ace occur r i ng al ong a shor t di st ance. Check f or abr upt of f set s at any l ocat i on t hat an abr upt of f set appear s t o be a possi bl e i ssue.

( e) Measur ement of t he of f set f r om t he j oi nt f ace t o a l evel i n t he t r ue ver t i cal posi t i on agai nst t he j oi nt f ace.

2. 1. 2. 3 Sl ump Det er mi nat i on

Test t he pavement sur f ace t o det er mi ne edge sl ump i mmedi at el y af t er t he concr et e has har dened suf f i c i ent l y t o per mi t wal k i ng t her eon. Per f or m t est i ng wi t h a mi ni mum 12 f oot st r ai ght edge t o r eveal i r r egul ar i t i es exceedi ng t he edge sl ump t ol er ance speci f i ed above. Det er mi ne t he ver t i cal edge sl ump at each f r ee edge of each sl i pf or med pavi ng l ane const r uct ed.

Pl ace t he st r ai ght edge t r ansver se t o t he di r ect i on of pavi ng and t he end of t he st r ai ght edge l ocat ed at t he edge of t he pavi ng l ane. Recor d measur ement s at 5 t o 10 f oot spaci ngs, as di r ect ed, commenci ng at t he header wher e pavi ng was st ar t ed. I ni t i al l y r ecor d measur ement s at 5 f oot i nt er val s i n each l ane. When no def i c i enci es ar e pr esent af t er 5 measur ement s, t he i nt er val may be i ncr eased. The maxi mum i nt er val i s 10 f eet . When any def i c i enci es exi st , r et ur n t he i nt er val t o 5 f eet . I n addi t i on t o t he t r ansver se edge s l ump det er mi nat i on above, at t he same t i me, r ecor d t he l ongi t udi nal sur f ace smoot hness of t he j oi nt on a cont i nuous l i ne 1 i nch back f r om t he j oi nt l i ne usi ng t he 12 f oot st r ai ght edge advanced one- hal f i t s l engt h f or each r eadi ng. Per f or m ot her t est s of t he exposed j oi nt f ace t o ensur e t hat a uni f or m, t r ue ver t i cal j oi nt f ace i s at t ai ned. Pr oper l y r ef er ence al l r ecor ded measur ement s i n accor dance wi t h pavi ng l ane i dent i f i cat i on and st at i oni ng, and a r epor t submi t t ed wi t hi n 24 hour s af t er measur ement i s made. I dent i f y ar eas r equi r i ng r epl acement wi t hi n t he r epor t .

SECTI ON 32 13 14. 13 Page 13

2. 1. 2. 4 Excessi ve Edge Sl ump

When edge sl ump exceedi ng t he l i mi t s speci f i ed above i s encount er ed on ei t her s i de of t he pavi ng l ane, r ecor d addi t i onal st r ai ght edge measur ement s t o def i ne t he l i near l i mi t s of t he excessi ve s l ump. Remove and r epl ace concr et e s l abs havi ng excessi ve edge sl ump or j oi nt def or mat i on t o t he next t r ansver se j oi nt i n conf or mance wi t h Par agr aph " Repai r , Removal , and Repl acement of Newl y Const r uct ed Sl abs" . Di scont i nue use of s l i p- f or m pavi ng equi pment and pr ocedur es t hat f ai l t o consi st ent l y pr ovi de edges wi t hi n t he speci f i ed t ol er ances on edge sl ump and j oi nt f ace def or mat i on const r uct by means of st andar d pavi ng pr ocedur es usi ng f i xed f or ms.

2. 1. 3 Pl an Gr ade

Wi t hi n 5 days af t er pavi ng of each l ot , t est t he f i ni shed sur f ace of t he pavement ar ea by r unni ng l i nes of l evel s at i nt er val s cor r espondi ng wi t h ever y l ongi t udi nal and t r ansver se j oi nt t o det er mi ne t he el evat i on at each j oi nt i nt er sect i on. Recor d t he r esul t s of t hi s sur vey and pr ovi de a copy t o t he Gover nment at t he compl et i on of t he sur vey of each l ot . Pr ovi de f i ni shed sur f aces of al l ai r f i el d pavement s t hat var y l ess t han 1/ 2 i nch above or bel ow t he pl an gr ade l i ne or el evat i on i ndi cat ed. The above devi at i ons f r om t he appr oved gr ade l i ne and el evat i on ar e not per mi t t ed i n ar eas wher e c l oser conf or mance wi t h t he pl anned gr ade and el evat i on i s r equi r ed f or t he pr oper f unct i oni ng of appur t enant st r uct ur es. Pr ovi de f i ni shed sur f aces of new abut t i ng pavement s t hat coi nci de at t hei r j unct ur e. Pr ovi de hor i zont al cont r ol of t he f i ni shed sur f aces of al l ai r f i el d pavement s t hat var y not mor e t han 1/ 2 i nch f r om t he pl an al i gnment indicated.

2. 1. 4 Fl exur al St r engt h

Submi t cer t i f i ed copi es of l abor at or y t est r epor t s and sour ces f or cement , suppl ement ar y cement i t i ous mat er i al s ( SCM) , aggr egat es, admi xt ur es, cur i ng compound, epoxy, and pr opr i et ar y pat chi ng mat er i al s pr oposed f or use on t hi s Pr oj ect . Each l ot of pavement wi l l be eval uat ed f or accept ance i n accor dance wi t h t he f ol l owi ng pr ocedur es.

2. 1. 4. 1 Sampl i ng and Test i ng

For accept ance, obt ai n one composi t e sampl e of concr et e f r om each subl ot i n accor dance wi t h ASTM C172 f r om one bat ch or t r uckl oad. Fabr i cat e and cur e t est cyl i nder s 6 by 12 i nches i n accor dance wi t h ASTM C31, and t est ed i n accor dance wi t h ASTM C39. Test t wo t est cyl i nder s per subl ot ( 8 per l ot ) at 14 days.

2. 1. 4. 2 Computations

Aver age t he ei ght 14- day st r engt h t est s f or t he l ot . Use t he aver age st r engt h i n accor dance wi t h Par agr aph " Concr et e St r engt h f or Fi nal Accept ance" i n PART 2.

2. 1. 5 Thickness

Each l ot of pavement wi l l be eval uat ed f or accept ance i n accor dance wi t h t he f ol l owi ng pr ocedur e. Dr i l l t wo cor es, bet ween 4 and 6 i nches i n di amet er , f r om t he pavement , per subl ot ( 8 per l ot ) . Dr i l l t he cor es wi t hi n 3 days af t er l ot pl acement , f i l l i ng t he cor e hol es wi t h an appr oved non- shr i nk concr et e, r espr ayi ng t he cor ed ar eas wi t h cur i ng compound, and

SECTI ON 32 13 14. 13 Page 14 f or measur i ng t he cor es. Pr ovi de t he r esul t s wi t h t he t hi ckness measur ement dat a. Recor d ei ght measur ement s of t hi ckness ar ound t he c i r cumf er ence of each cor e and one i n t he cent er , i n accor dance wi t h ASTM C174. Aver age t he pavement t hi ckness f r om t he 8 cor es f or t he l ot and eval uat e t o ensur e t hi ckness meet s t he desi gn i ndi cat ed on t he Dr awi ngs.

2. 1. 6 Eval uat i on of Cor es

Recor d and submi t t est i ng, i nspect i on, and eval uat i on of each cor e f or sur f ace past e, uni f or mi t y of aggr egat e di st r i but i on, segr egat i on, voi ds, cr acks, and dept h of r ei nf or cement or dowel ( i f pr esent ) . Moi st en t he cor e wi t h wat er t o v i s i bl y expose t he aggr egat e and t ake a mi ni mum of t hr ee phot ogr aphs of t he s i des of t he cor e, r ot at i ng t he cor e appr oxi mat el y 120 degr ees bet ween phot ogr aphs. I nc l ude a r ul er f or scal e i n t he phot ogr aphs. Pr ovi de pl an v i ew of l ocat i on f or each cor e.

2. 1. 7 Di amond Gr i ndi ng of PCC Sur f aces

Those per f or mi ng di amond gr i ndi ng ar e r equi r ed t o have a mi ni mum of t hr ee year s exper i ence i n di amond gr i ndi ng of ai r f i el d pavement s. I n ar eas not meet i ng t he speci f i ed l i mi t s f or sur f ace smoot hness and pl an gr ade, r educe hi gh ar eas t o at t ai n t he r equi r ed smoot hness and gr ade, except as dept h i s l i mi t ed bel ow. Reduce hi gh ar eas by di amond gr i ndi ng t he har dened concr et e wi t h an appr oved equi pment af t er t he concr et e i s at a mi ni mum age of 14 days. Per f or m di amond gr i ndi ng by sawi ng wi t h an i ndust r i al di amond abr asi ve whi ch i s i mpr egnat ed i n t he saw bl ades. Assembl e t he saw bl ades i n a cut t i ng head mount ed on a machi ne desi gned speci f i cal l y f or di amond gr i ndi ng t hat pr oduces t he r equi r ed t ext ur e and smoot hness l evel wi t hout damage t o t he concr et e pavement or j oi nt f aces. Pr ovi de di amond gr i ndi ng equi pment wi t h saw bl ades t hat ar e 1/ 8- i nch wi de, a mi ni mum of 60 bl ades per 12 i nches of cut t i ng head wi dt h, and capabl e of cut t i ng a pat h a mi ni mum of 3 f eet wi de. Di amond gr i ndi ng equi pment t hat causes r avel s, aggr egat e f r act ur es, spal l s or di st ur bance t o t he j oi nt s i s not per mi t t ed. The maxi mum ar ea cor r ect ed by di amond gr i ndi ng t he sur f ace of t he har dened concr et e i s 10 per cent of t he t ot al ar ea of any subl ot . The maxi mum dept h of di amond gr i ndi ng i s 1/ 4 i nch. Pr ovi de di amond gr i ndi ng machi ne equi pped t o f l ush and vacuum t he pavement sur f ace. Di spose of al l debr i s f r om di amond gr i ndi ng oper at i ons of f Gover nment pr oper t y. Pr i or t o di amond gr i ndi ng, submi t a Di amond Gr i ndi ng Pl an f or r evi ew and appr oval . At a mi ni mum, i ncl ude t he dai l y r epor t s f or t he def i c i ent ar eas, t he l ocat i on and ext ent of def i c i enci es, cor r ect i ve act i ons, and equi pment . Remove and r epl ace al l pavement ar eas r equi r i ng pl an gr ade or sur f ace smoot hness cor r ect i ons i n excess of t he l i mi t s speci f i ed above i n conf or mance wi t h Par agr aph " Repai r , Removal , and Repl acement of Newl y Const r uct ed Sl abs" .

Pr i or t o pr oduct i on di amond gr i ndi ng oper at i ons, per f or m a t est sect i on at t he appr oved l ocat i on. Per f or m a t est sect i on t hat consi st s of a mi ni mum of t wo adj acent passes wi t h a mi ni mum l engt h of 40 f eet t o al l ow eval uat i on of t he f i ni sh, t r ansi t i on bet ween adj acent passes, and t he r esul t s of cr ossi ng a t r ansver se j oi nt . Pr oduct i on di amond gr i ndi ng oper at i ons ar e not t o be per f or med pr i or t o appr oval .

2. 2 CEMENTI TI OUS MATERI ALS

Pr ovi de cement i t i ous mat er i al s consi st i ng of Por t l and cement , or onl y Por t l and cement i n combi nat i on wi t h suppl ement ar y cement i t i ous mat er i al s ( SCM) , t hat conf or m t o appr opr i at e speci f i cat i ons l i s t ed bel ow. New submi t t al s ar e r equi r ed when t he cement i t i ous mat er i al s sour ces or t ypes change.

SECTI ON 32 13 14. 13 Page 15

2. 2. 1 Por t l and Cement

Pr ovi de Por t l and cement conf or mi ng t o ASTM C150, Type I I , l ow al kal i .

2. 2. 2 Bl ended Cement s

Pr ovi de bl ended cement conf or ms t o ASTM C595, Type I P or I S, i ncl udi ng t he opt i onal r equi r ement f or mor t ar expansi on and sul f at e soundness. Pr ovi de pozzol an added t o t he Type I P bl end consi st i ng of ASTM C618 Cl ass F or Cl ass N and t hat i s i nt er gr ound wi t h t he cement c l i nker . I ncl ude i n wr i t t en st at ement f r om t he manuf act ur er t hat t he amount of pozzol an i n t he f i ni shed cement does not var y mor e t han pl us or mi nus 5 mass per cent of t he f i ni shed cement f r om l ot t o l ot or wi t hi n a l ot . The per cent age and t ype of mi ner al admi xt ur e used i n t he bl end ar e not al l owed t o change f r om t hat submi t t ed f or t he aggr egat e eval uat i on and mi xt ur e pr opor t i oni ng. The r equi r ement s of Tabl e 2 i n Par agr aph " Suppl ement ar y Cement i t i ous Mat er i al s ( SCM) Cont ent " do not appl y t o t he SCM cont ent of bl ended cement .

2. 2. 3 Pozzolan

2. 2. 3. 1 Fl y Ash

Pr ovi de f l y ash t hat conf or ms t o ASTM C618, Cl ass F, i ncl udi ng t he opt i onal r equi r ement s f or uni f or mi t y and ef f ect i veness i n cont r ol l i ng Al kal i - Si l i ca r eact i on wi t h a l oss on i gni t i on not exceedi ng 3 per cent . Pr ovi de Cl ass F f l y ash f or use i n mi t i gat i ng Al kal i - Si l i ca React i v i t y wi t h a t ot al equi val ent al kal i cont ent l ess t han 3 per cent .

2. 2. 3. 2 Raw or Cal c i ned Nat ur al Pozzol an

Pr ovi de nat ur al pozzol an t hat i s r aw or cal c i ned and conf or ms t o ASTM C618, Cl ass N, i ncl udi ng t he opt i onal r equi r ement s f or uni f or mi t y and ef f ect i veness i n cont r ol l i ng Al kal i - Si l i ca r eact i on wi t h a l oss on i gni t i on not exceedi ng 3 per cent . Pr ovi de Cl ass N pozzol an f or use i n mi t i gat i ng Al kal i - Si l i ca React i v i t y wi t h a t ot al equi val ent al kal i cont ent l ess t han 3 percent.

2. 2. 3. 3 Ul t r a Fi ne Fl y Ash and Ul t r a Fi ne Pozzol an

Pr ovi de Ul t r a Fi ne Fl y Ash ( UFFA) and Ul t r a Fi ne Pozzol an ( UFP) t hat conf or ms t o ASTM C618, Cl ass F or N, and t he f ol l owi ng addi t i onal requirements:

a. The st r engt h act i v i t y i ndex at 28 days of age of at l east 95 per cent of t he cont r ol speci mens.

b. The aver age par t i c l e s i ze not exceedi ng 6 mi cr ons.

2. 2. 4 Suppl ement ar y Cement i t i ous Mat er i al s ( SCM) Cont ent

Use of one of t he SCMs l i s t ed bel ow i s opt i onal , unl ess t he SCM i s r equi r ed t o mi t i gat e ASR. The use of SCMs i s encour aged i n accor dance wi t h Sect i on

01 33 29 SUSTAI NABI LI TY REPORTI NG.

SECTI ON 32 13 14. 13 Page 16

TABLE 2

SUPPLEMENTARY CEMENTI TI OUS MATERI ALS CONTENT

Suppl ement ar y Cement i t i ous Mat er i al Mi ni mum Cont ent (percent)

Maxi mum Cont ent (percent)

Cl ass N Pozzol an and Cl ass F Fl y Ash

Si O2 + Al 2O3 + Fe2O3 > 70 per cent 25 35

Si O2 + A12O3 + Fe2O3 > 80 per cent 20 35

Si O2 + A12O3 + Fe2O3 > 90 per cent 15 35

UFFA and UFP 7 16

Sl ag Cement 40 50

2. 3 AGGREGATES

2. 3. 1 Aggr egat e Sour ces

2. 3. 1. 1 Dur abi l i t y of Coar se Aggr egat e

Pr ovi de aggr egat e wi t h a sat i sf act or y ser vi ce r ecor d i n f r eezi ng and t hawi ng of at l east 5 year s successf ul ser vi ce i n t hr ee concr et e pavi ng pr oj ect s. I ncl ude a condi t i on sur vey of t he exi st i ng concr et e and a r evi ew of t he concr et e- maki ng mat er i al s, i ncl udi ng coar se aggr egat es, cement , and mi ner al admi xt ur es i n t he ser vi ce r ecor d. Consi der t he pr evi ous aggr egat e sour ce and t est r esul t s, cement mi l l cer t i f i cat e dat a, mi ner al admi xt ur e chemi cal and physi cal composi t i on, and t he mi x desi gn ( cement f act or and wat er - cement i t i ous mat er i al r at i o) i n t he r evi ew. Pr ovi de ser vi ce r ecor d per f or med by an i ndependent t hi r d par t y pr of essi onal engi neer , pet r ogr apher , or concr et e mat er i al s engi neer al ong wi t h t hei r r esume.

I ncl ude phot ogr aphs and a wr i t t en r epor t addr essi ng D- cr acks and popout s i n accor dance wi t h ACI 201. 1R i n t he ser vi ce r ecor d. Pr ovi de coar se aggr egat e wi t h a dur abi l i t y f act or of 80 or mor e when subj ect ed t o f r eezi ng and t hawi ng of speci mens pr epar ed i n accor dance wi t h ASTM C1646 and t est ed i n accor dance wi t h…