A22- Amendment 0002 W912P624B0006.pdf

AMENDMENT OF SOLICITATION/MODIFICATION OF CONTRACT

Except as provided herein, all terms and conditions of the document referenced in Item 9A or 10A, as heretofore changed, remains unchanged and in full force and effect.

15A. NAME AND TITLE OF SIGNER (Type or print)

30-105-04EXCEPTION TO SF 30

APPROVED BY OIRM 11-84

STANDARD FORM 30 (Rev. 10-83) Prescribed by GSA

FAR (48 CFR) 53.243

The reason for Amendment 0002 is to address the follow ing:

a. Spec Section 35 31 19 is hereby revised and replaced in its entirety.

b. Incorporate additional w age determination: IL20240018.

c. All other terms and conditions remain unchanged.

1. CONTRACT ID CODE PAGE OF PAGES

1 2

16A. NAME AND TITLE OF CONTRACTING OFFICER (Type or print)

16C. DATE SIGNED

BY 21-Feb-2024

16B. UNITED STATES OF AMERICA15C. DATE SIGNED15B. CONTRACTOR/OFFEROR

(Signature of Contracting Officer)(Signature of person authorized to sign)

8. NAME AND ADDRESS OF CONTRACTOR (No., Street, County, State and Zip Code) X W912P624B0006

X 9B. DATED (SEE ITEM 11)

22-Jan-2024

10B. DATED (SEE ITEM 13)

9A. AMENDMENT OF SOLICITATION NO.

11. THIS ITEM ONLY APPLIES TO AMENDMENTS OF SOLICITATIONS

X The above numbered solicitation is amended as set forth in Item 14. The hour and date specified for receipt of Offer is extended, X is not extended.

Offer must acknowledge receipt of this amendment prior to the hour and date specified in the solicitation or as amended by one of the following methods:

(a) By completing Items 8 and 15, and returning 1 copies of the amendment; (b) By acknowledging receipt of this amendment on each copy of the offer submitted;

or (c) By separate letter or telegram which includes a reference to the solicitation and amendment numbers. FAILURE OF YOUR ACKNOWLEDGMENT TO BE RECEIVED AT THE PLACE DESIGNATED FOR THE RECEIPT OF OFFERS PRIOR TO THE HOUR AND DATE SPECIFIED MAY RESULT IN REJECTION OF YOUR OFFER. If by virtue of this amendment you desire to change an offer already submitted, such change may be made by telegram or letter, provided each telegram or letter makes reference to the solicitation and this amendment, and is received prior to the opening hour and date specified.

12. ACCOUNTING AND APPROPRIATION DATA (If required)

13. THIS ITEM APPLIES ONLY TO MODIFICATIONS OF CONTRACTS/ORDERS.

IT MODIFIES THE CONTRACT/ORDER NO. AS DESCRIBED IN ITEM 14.

A. THIS CHANGE ORDER IS ISSUED PURSUANT TO: (Specify authority) THE CHANGES SET FORTH IN ITEM 14 ARE MADE IN THE

CONTRACT ORDER NO. IN ITEM 10A.

B. THE ABOVE NUMBERED CONTRACT/ORDER IS MODIFIED TO REFLECT THE ADMINISTRATIVE CHANGES (such as changes in paying office, appropriation date, etc.) SET FORTH IN ITEM 14, PURSUANT TO THE AUTHORITY OF FAR 43.103(B).

C. THIS SUPPLEMENTAL AGREEMENT IS ENTERED INTO PURSUANT TO AUTHORITY OF:

D. OTHER (Specify type of modification and authority)

E. IMPORTANT: Contractor is not, is required to sign this document and return copies to the issuing office.

14. DESCRIPTION OF AMENDMENT/MODIFICATION (Organized by UCF section headings, including solicitation/contract subject matter where feasible.)

10A. MOD. OF CONTRACT/ORDER NO.

2. AMENDMENT/MODIFICATION NO. 5. PROJECT NO.(If applicable)

6. ISSUED BY

3. EFFECTIVE DATE

21-Feb-2024

CODE

U.S. ARMY ENGINEER DISTRICT, CHICAGO

231 SOUTH LASALLE STREET SUITE 1500

CHICAGO IL 60604-1437

W912P6 7. ADMINISTERED BY (If other than item 6)

4. REQUISITION/PURCHASE REQ. NO.

CODE

See Item 6

FACILITY CODECODE

EMAIL:TEL:

W912P624B0006

SECTION SF 30 BLOCK 14 CONTINUATION PAGE

The following items are applicable to this modification:

AMENDMENT 0002

See attached for revised Specification section and additional Wage Determination.

SUMMARY OF CHANGES

(End of Summary of Changes)

Kenosha Har bor Br eakwat er FY23 W912P624B0006

SECTI ON TABLE OF CONTENTS

DI VI SI ON 35 - WATERWAY AND MARI NE CONSTRUCTI ON

SECTI ON 35 31 19

STONE MATERI ALS PROTECTI ON FOR STRUCTURES

01/ 08

PART 1 GENERAL

1. 1 SCOPE

1. 2 REFERENCES

1. 3 DEFI NI TI ONS

1. 3. 1 St andar d Dr awi ngs

1. 3. 2 St one Pr ot ect i on

1. 3. 3 Ar mor St one

1. 3. 4 Type B St one

1. 4 SYSTEM DESCRI PTI ON

1. 4. 1 Fact or s Used f or Conver t i ng I n- Pl ace Vol ume t o Wei ght s

1. 4. 1. 1 Revi s i on of Bi ddi ng Schedul e Quant i t i es

1. 4. 1. 2 Re- r evi s i on of Est i mat ed Quant i t i es

1. 5 SUBMI TTALS

1. 6 QUALI TY CONTROL

1. 6. 1 Gener al

1. 6. 2 St one Mat er i al s Cont r ol ( SMC) Pl an

1. 6. 3 SMC Fi el d Super vi sor Qual i f i cat i ons

1. 6. 4 Revi s i on Of SMC Pl an Or I nspect i on St af f i ng

1. 6. 5 Ar mor St one Type A, A- 1 Sour ce and B- St one Sour ce

1. 6. 5. 1 Sour ces

1. 6. 5. 2 Eval uat i on Test i ng of St one

1. 6. 5. 3 Pr e Pr oduct i on Ref er ence St ones

1. 6. 5. 4 I nspect i on and Fi el d Test s

1. 6. 5. 5 Random Sampl i ng

1. 6. 6 Di spl acement Gauge I nst al l at i on Dat a

1. 6. 7 Cer t i f i ed St one Haul i ng Vessel Gaugi ng Tabl e Dat a

1. 6. 8 Pr e Pl acement Sur vey

1. 6. 9 Check Sur vey Dat a

1. 6. 10 Equi pment

1. 6. 11 Wei gh Scal e Cer t i f i cat i on

1. 6. 12 Cer t i f i ed Wei ght Scal e Ti cket s

1. 6. 13 St one Pl acement Recor ds

1. 7 QUALI TY ASSURANCE

PART 2 PRODUCTS

2. 1 STONE PROTECTI ON

2. 1. 1 Gener al

2. 1. 1. 1 Li st ed Sour ces

2. 1. 1. 2 No Gover nment War r ant y

2. 1. 1. 3 Ot her Sour ces

2. 1. 1. 4 Eval uat i on Test i ng Of St one Fr om Unl i st ed Sour ce( S)

2. 1. 1. 5 Quar r y Oper at i ons

2. 1. 1. 6 SMC Repor t s

2. 1. 1. 7 Pr opor t i onal Di mensi on Li mi t at i ons

SECTI ON 35 31 19 Page 1

AMD0002 - 02/ 12/ 24

2. 1. 2 Ar mor St one

2. 1. 2. 1 Type A St one

2. 1. 2. 2 Type A- 1 St one

2. 1. 2. 3 Sampl e Test i ng

2. 1. 2. 4 Type B St one

2. 1. 2. 5 Sampl e Test i ng

2. 1. 3 Mat er i al Accept abi l i t y

2. 1. 4 Rej ect i on

PART 3 EXECUTI ON

3. 1 GENERAL

3. 1. 1 Ar mor St one

3. 1. 2 Debr i s

3. 1. 3 Tur bi di t y Cont r ol

3. 1. 4 St one Pl acement

3. 1. 5 Sl i des and Er osi on

3. 1. 6 Tol er ances

ATTACHMENTS:

At t achment A

At t achment B

- - End of Sect i on Tabl e of Cont ent s - -

SECTI ON 35 31 19 Page 2

SECTI ON 35 31 19

STONE MATERI ALS PROTECTI ON FOR STRUCTURES

01/ 08

PART 1 GENERAL

1. 1 SCOPE

Thi s Sect i on cover s st one mat er i al s, f i l l and pl acement ; suppl i er s, submi t t al s f or Gover nment appr oval or i nf or mat i on, and qual i t y cont r ol t asks as t hey r el at e t o pr oduct i on of st one f or t he pr oj ect . For pur poses of t hi s Cont r act St one Mat er i al s i ncl udes ar mor st one.

1. 2 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.

ASTM I NTERNATI ONAL ( ASTM)

ASTM C42/ C42M ( 2018) St andar d Test Met hod f or Obt ai ni ng and Test i ng Dr i l l ed Cor es and Sawed Beams of Concr et e

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 Magnesi um Sul f at e

ASTM C127 ( 2015) St andar d Test Met hod f or Densi t y, Rel at i ve Densi t y ( Speci f i c Gr avi t y) , and Absor pt i on of Coar se Aggr egat e

ASTM C295/ C295M ( 2012) Pet r ogr aphi c Exami nat i on of Aggr egat es f or Concr et e

ASTM C535 ( 2016) St andar d Test Met hod f or Resi st ance t o Degr adat i on of Lar ge- Si ze Coar se Aggr egat e by Abr asi on and I mpact i n t he Los Angel es Machi ne

ASTM D3740 ( 2012a) Mi ni mum Requi r ement s f or Agenci es Engaged i n t he Test i ng and/ or I nspect i on of Soi l and Rock as Used i n Engi neer i ng Desi gn and Const r uct i on

ASTM D4992 ( 2014; E 2015) Eval uat i on of Rock t o be Used f or Er osi on Cont r ol

ASTM D5312/ D5312M ( 2012; R 2013) Eval uat i on of Dur abi l i t y of Rock f or Er osi on Cont r ol Under Fr eezi ng and Thawi ng Condi t i ons

ASTM D5313/ D5313M ( 2012; R 2013) Eval uat i on of Dur abi l i t y of Rock f or Er osi on Cont r ol Under Wet t i ng and

SECTI ON 35 31 19 Page 3

Dr yi ng Condi t i ons

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

COE CRD- C 144 ( 1992) St andar d Test Met hod f or Resi st ance of Rock t o Fr eezi ng and Thawi ng

COE CRD- C 148 ( 1969) Met hod of Test i ng St one f or Expansi ve Br eakdown on Soaki ng i n Et hyl ene Gl ycol

1. 3 DEFI NI TI ONS

1. 3. 1 St andar d Dr awi ngs

Det ai l s of var i ous t ypes of st r uct ur es i n gener al use f or t he pr oj ect ar e shown on st andar d dr awi ngs f or mi ng a par t of t hese speci f i cat i ons.

1. 3. 2 St one Pr ot ect i on

St one Pr ot ect i on i s def i ned as a syst em whi ch i ncl udes a l ayer of beddi ng mat er i al or l ayer s of f i l t er mat er i al beneat h a l ayer or l ayer s of l ar ger st one. St one pr ot ect i on i s pl aced ar ound st r uct ur es i n s l ack wat er or wi t hi n a dewat er ed si t e or as br eakwat er pr ot ect i on. St one pr ot ect i on may al so be used t o pr ot ect channel banks when i t i s pl aced i n t he dr y or i n s l ack wat er .

1. 3. 3 Ar mor St one

Ar mor st one i s def i ned as t he l ar ger st one on er osi on pr ot ect i on st r uct ur es pl aced on t he out er most por t i ons of t he st r uct ur e. For t hi s Speci f i cat i on ar mor at one i s desi gnat ed as ei t her A or A- 1 St one as i ndi cat ed on t he dr awi ngs and i s s i zed i n accor di ng t o t he Gr adat i on par agr aphs of t hi s Sect i on.

1. 3. 4 Type B St one

Type B st one i s def i ned as st one beneat h t he Ar mor St one on er osi on pr ot ect i on st r uct ur es. For t hi s Speci f i cat i on Type B at one i s s i zed i n accor di ng t o t he Gr adat i on par agr aphs of t hi s Sect i on.

1. 4 SYSTEM DESCRI PTI ON

1. 4. 1 Fact or s Used f or Conver t i ng I n- Pl ace Vol ume t o Wei ght s

1. 4. 1. 1 Revi s i on of Bi ddi ng Schedul e Quant i t i es

The est i mat ed quant i t i es of st one l i s t ed i n t he BI DDI NG SCHEDULE wer e comput ed on t he basi s of st one havi ng a per cent age of voi ds of 33 per cent and a bul k speci f i c gr avi t y ( SSD) ( sat ur at ed sur f ace dr y basi s) as 2. 7 based on wat er havi ng a uni t wei ght of 62. 4 pounds per cubi c f oot . When t he SSD of t he st one t o be used i n t he wor k i s ot her t han t hat above, t he est i mat ed quant i t i es wi l l be r evi sed by mul t i pl y i ng t hem by t he f r act i on whi ch r esul t s when t he SSD of t he st one f ur ni shed i s di v i ded by t he val ue shown i n t he above t abl e f or each r espect i ve st one gr adat i on. Revi s i on f or t he per cent age of voi ds wi l l l i kewi se be made. The Cont r act i ng Of f i cer wi l l i ssue a modi f i cat i on t o t he Cont r act i n accor dance wi t h t he FAR CLAUSE 52. 243- 4, CHANGES, i n Sect i on SUPPLEMENTARY I NSTRUCTI ONS TO OFFERORS t o adj ust t he est i mat ed quant i t i es i n t he BI DDI NG SCHEDULE. The

SECTI ON 35 31 19 Page 4 r evi sed quant i t i es wi l l t hen be t he quant i t i es f r om whi ch t he al l owabl e 15 per cent var i at i on i n est i mat ed quant i t y, f or payment pur poses, wi l l be det er mi ned as def i ned i n FAR CLAUSE 52. 211- 18, VARI ATI ON I N ESTI MATED QUANTI TI ES, i n Sect i on SUPPLEMENTARY I NSTRUCTI ONS TO OFFERORS.

1. 4. 1. 2 Re- r evi s i on of Est i mat ed Quant i t i es

I f dur i ng t he pr ogr ess of t he wor k i t i s det er mi ned t hat t he del i ver ed st one act ual l y pl aced has a per cent age of voi ds or a bul k speci f i c gr avi t y r ange di f f er ent f r om t hat on whi ch t he BI DDI NG SCHEDULE i s based, t he BI DDI NG SCHEDULE wi l l be f ur t her r evi sed i n accor dance wi t h par agr aph

REVI SI ON OF BI DDI NG SCHEDULE QUANTI TI ES.

1. 5 SUBMI TTALS

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- 01 Pr econst r uct i on Submi t t al s

St one Mat er i al s Cont r ol ( SMC) Pl an; G, DG

Revi si on Of SMC Pl an Or I nspect i on St af f i ng; G, DG

SMC Fi el d Super vi sor Qual i f i cat i ons; G, DG

SD- 03 Pr oduct Dat a

Ar mor St one Type A, A- 1 Sour ce and B- St one Sour ce; G, DG

SD- 05 Desi gn Dat a

Di spl acement Gauge I nst al l at i on Dat a; G, AOF

Cer t i f i ed St one Haul i ng Vessel Gaugi ng Tabl e Dat a; G, AOF

Pr e Pl acement Sur vey; G, AOF

Check Sur vey Dat a; G, AOF

Equi pment ; G, AOF

SD- 06 Test Repor t s

SMC Repor t s; G, DG

Labor at or y Test Resul t s; G, DG

Eval uat i on Test i ng Of St one Fr om Unl i st ed Sour ce( S) ; G, DG

SD- 07 Cer t i f i cat es

Wei gh Scal e Cer t i f i cat i on; G, AOF

Cer t i f i ed Wei ght Scal e Ti cket s

SECTI ON 35 31 19 Page 5

St one Pl acement Recor ds; G, AOF

1. 6 QUALI TY CONTROL

1. 6. 1 Gener al

Al l st one and mat er i al s descr i bed i n t hi s Cont r act shal l be of a qual i t y t o ensur e per manence of t he st r uct ur e i n t he c l i mat e i n whi ch i t i s t o be used. Of f - s i t e sour ces of st one l i s t ed i n At t achment A have shown t he abi l i t y t o meet t he r equi r ement s of t hese speci f i cat i ons. Absence or i ncl usi on on t he l i s t i n At t achment A does not i mpl y t hat t he sour ces ar e or ar e not i nt er est ed i n or capabl e of pr oduci ng t he r equi r ed quant i t y and qual i t y of st one f or t hi s cont r act . St one gr adat i ons shal l be f r om st one sour ces appr oved i n accor dance wi t h appl i cabl e par agr aphs of t hi s Sect i on. Regar dl ess of sour ce, t he st one shal l be dur abl e, sound, and f r ee of f eat ur es, whi ch may t end t o i ncr ease det er i or at i on f r om nat ur al causes or br eakage dur i ng handl i ng, t r anspor t at i on, or pl acement . These f eat ur es may i ncl ude, but ar e not l i mi t ed t o f r act ur es, seams, vugs, beddi ng, st y l ol i t es, pl anes of separ at i on, weat her i ng, ar gi l l aceous mat er i al , and mi caceous mi ner al s. I ncl usi ons of any di r t , sand, c l ay, shal e, cher t , oi l and oi l - st ai ned st ones and r ock f i nes and bi t umi nous or any or gani c or ot her del et er i ous mat er i al wi l l not be per mi t t ed. St one exhi bi t i ng vugs t ot al i ng not mor e t han f i ve per cent of t he t ot al sur f ace ar ea of any f ace and l ess t han f our - i nches i n maxi mum di amet er , pr ovi ded t hat t hey ar e not al i gned al ong beddi ng pl anes or pl anes of weakness wi l l be accept abl e, ot her pr ovi s i ons of t hi s speci f i cat i on wi t hst andi ng. Al l st one shal l be hi ghl y r esi st ant t o weat her i ng and di s i nt egr at i on under f r eeze / t haw and wet t i ng / dr y i ng condi t i ons. The Cont r act or shal l per f or m al l qual i t y cont r ol i n accor dance wi t h " CONTRACTOR QUALI TY CONTROL" of t hi s speci f i cat i on. I t i s t he Cont r act or ' s r esponsi bi l i t y t o assur e t hat qual i t y cont r ol f or al l wor k per f or med at t he quar r y or quar r i es and t he del i ver y s i t e compl y wi t h al l Cont r act r equi r ement s.

Cont r act or shal l i nsur e t hat r ecor ds ar e mai nt ai ned of qual i t y cont r ol t est s, i nspect i ons and cor r ect i ve act i ons.

1. 6. 2 St one Mat er i al s Cont r ol ( SMC) Pl an

The Cont r act or shal l submi t a wr i t t en St one Mat er i al s Cont r ol ( SMC) Pl an t hat descr i bes t he means and met hods t o be used f or pr oduct i on, handl i ng, t r anspor t i ng and pl acement and t he ef f ect i ve i nspect i on of mat er i al qual i t y and gr adat i on t est i ng of st one mat er i al s i n a manner whi ch wi l l r esul t i n a sat i sf act or y qual i t y of i n- pl ace st one const r uct i on. Wr i t t en pr ocedur es shal l be i ncl uded f or gui di ng and i nst r uct i ng t he Cont r act or ' s SMC i nspect or s and const r uct i on wor ker s i n t he t echni ques and cr i t er i a t o be used f or exami ni ng st one f or accept abi l i t y and f or t he pr oper pr oduct i on gr adat i on, handl i ng, t r anspor t i ng, and pl acement of st one.

Pr ocedur es shal l be descr i bed f or t r acki ng ar mor st ones used i n conduct i ng gr adat i on t est s, and f or r epor t i ng t he per f or mance and r esul t s of t he t est s on Qual i t y Cont r ol r epor t s. Pr ocedur es shal l be descr i bed f or moni t or i ng and r ecor di ng t he dat es and l ocat i ons of st one bl ast i ng, and t r acki ng and document i ng t hat f ur ni shed st one compl i es wi t h t he appl i cabl e quar r y i ng per i od and cur i ng r est r i ct i ons, i f any. Thi s submi t t al shal l be made not l ess t han 30 cal endar days i n advance of t he dat e st one mat er i al s ar e t o be shi pped f r om t he sour ce. The st one mat er i al cont r ol pl an submi t t al shal l desi gnat e a St one Mat er i al Cont r ol Fi el d Super vi sor ( SMCFS) who shal l be r esponsi bl e f or i mpl ement at i on of al l f unct i ons of t he st one mat er i al cont r ol pr ogr am. The st one mat er i al cont r ol pl an submi t t al shal l al so i ncl ude a sampl e dai l y SMC Qual i t y Cont r ol i nspect i on r epor t , whi ch shal l be used dur i ng st one mat er i al pr oduct i on. The SMCFS

SECTI ON 35 31 19 Page 6 shal l not have col l at er al pr oj ect dut i es or r esponsi bi l i t i es assi gned by t he Cont r act or except t hose speci f i ed i n t he st one mat er i al cont r ol pl an submi t t al . I f t he pr i me Cont r act or acqui r es st one pr oduct s r equi r ed f or t hi s pr oj ect t hr ough a subcont r act or , t he SMCFS shal l not be an empl oyee of t he subcont r act ed company or subcont r act ed cor por at i on pr oduci ng t he st one mat er i al or pr oduct s. Gover nment appr oval of t he submi t t al wi l l not be pr ovi ded unt i l af t er t he Cont r act or has pr oduced sat i sf act or y set of Pr e- Pr oduct i on Ref er ence St ones, but not l at er t han f i ve cal endar days af t er al l t he r equi r ement s f or t he Pr e- Pr oduct i on Ref er ence St ones have been met , i ncl udi ng t he Cont r act or ' s l abor at or y t est i ng r esul t s and pr i or st one sour ce submi t t al .

1. 6. 3 SMC Fi el d Super vi sor Qual i f i cat i ons

The Cont r act or shal l submi t t he name( s) and evi dence t hat t he SMCFS i s a Gr aduat e Geol ogi st ( mi ni mum Bachel or ' s Degr ee) wi t h not l ess t han t wo year s exper i ence i n geol ogy and st one i nspect i on; or i s a Li censed Pr of essi onal Geol ogi st wi t h not l ess t han one year exper i ence i n st one i nspect i on; or i s an exper i enced SMCF super vi sor wi t h a mi ni mum t hr ee year s exper i ence i n st one i nspect i on. Thi s exper i ence shal l be i n assessi ng st one qual i t y f or t he s i ze and t ype of ar mor st one and ot her st one speci f i ed i n t he Cont r act , and i n t he pr oj ect condi t i ons t o whi ch t he st one wi l l be subj ect ed. The SMCF Super vi sor shal l be r esponsi bl e f or pr epar i ng a dai l y SMC i nspect i on r epor t f or t he pr oper execut i on of t he SMC pl an, and shal l over see t he wor k of al l SMC i nspect or s. The SMC Fi el d Super vi sor Qual i f i cat i ons submi t t al shal l i ncl ude dat a on appl i cabl e exper i ence ( names and l ocat i ons of pr oj ect s) , t r ai ni ng ( names and l ocat i ons of cour ses) and educat i on ( names and l ocat i ons of school s, wi t h names addr esses and phone number s of r ef er ences f or ver i f i cat i on of each i t em of dat a. Thi s submi t t al shal l be made not l ess t han 30 cal endar days i n advance of t he dat e st one mat er i al s ar e t o be shi pped f r om t he sour ce.

Gover nment appr oval of t he submi t t al wi l l not be pr ovi ded unt i l af t er t he Cont r act or has pr oduced sat i sf act or y Pr e- Pr oduct i on Ref er ence St ones, but not l at er t han f i ve cal endar days af t er al l t he r equi r ement s f or t he Pr e- Pr oduct i on Ref er ence St ones have been met , i ncl udi ng Gover nment l abor at or y t est i ng i f appl i cabl e.

1. 6. 4 Revi s i on Of SMC Pl an Or I nspect i on St af f i ng

I f t he Cont r act or el ect s t o i ni t i at e a pr oposal t o r evi se t he SMC Pl an or I nspect i on St af f i ng, t he Cont r act or shal l submi t t he pr oposed Revi s i on of SMC Pl an or I nspect i on St af f i ng not l at er t han seven cal endar days pr i or t o t he dat e i t pr oposes t o i mpl ement t he r evi s i on and shal l not i mpl ement t he r evi s i on pr i or t o t he Cont r act i ng Of f i cer ' s Repr esent at i ve' s ( COR' s) appr oval . Changes t o SMC i nspect or st af f i ng l evel s or empl oyees shal l l i kewi se be submi t t ed f or appr oval . Gover nment r equi r ed r evi s i ons of t he SMC pl an or Cont r act or st af f i ng shal l f ol l ow t he pr ocedur es pr escr i bed el sewher e i n t hi s Sect i on.

1. 6. 5 Ar mor St one Type A, A- 1 Sour ce and B- St one Sour ce

Accept abi l i t y i s based on t he cr i t er i a i n t hi s Sect i on and as det er mi ned by t he COR by vi sual i nspect i ons, eval uat i on of ser vi ce r ecor ds, and appl i cabl e l abor at or y t est r esul t s. Al l of f - s i t e mat er i al s shal l meet t he mi ni mum qual i t y r equi r ement s l i s t ed i n Tabl e 1 bel ow, based on f i el d exami nat i on and appl i cabl e l abor at or y t est i ng. Labor at or y r esul t s shal l be r epr esent at i ve of t he same l i t hol ogi c uni t as t he cor r espondi ng st ones or mat er i al s. Labor at or y t est r esul t s shal l be f r om a Gover nment or Gover nment - val i dat ed l abor at or y capabl e of handl i ng sampl e s i zes descr i bed

SECTI ON 35 31 19 Page 7 i n t he subscr i pt of Tabl e 1, and shal l be l ess t han f i ve year s ol d at t he t i me of submi t t al , unl ess ot her wi se accept ed by t he COR. I f t est r esul t s ar e mor e t han f i ve year s ol d, or ar e not r epr esent at i ve of t he mat er i al pr oposed under t hi s Cont r act , t he COR may sel ect sampl es f r om t he Pr e- Pr oduct i on Ref er ence St ones or mat er i al s desi gnat ed by t he Cont r act or as pr oposed sour ces, and di r ect t he Cont r act or t o have sel ect ed st ones t est ed at no addi t i onal cost t o t he Gover nment by a Gover nment or Gover nment - appr oved l abor at or y i n accor dance wi t h t he r equi r ement s of Tabl e 1, bel ow. Fi el d and Labor at or y t est s t o whi ch t he mat er i al may be subj ect ed ar e l i s t ed i n t he par agr aph t i t l ed REFERENCES. The COR may wai ve t he r equi r ement f or l abor at or y t est i ng of st one, based on t he r esul t s of v i sual i nspect i ons and ser vi ce r ecor ds i n pr oj ect s s i mi l ar t o t hi s pr oj ect . Under no ci r cumst ances wi l l t he Cont r act or be al l owed a Cont r act ext ensi on f or t he t i me necessar y t o eval uat e mat er i al s f or accept abi l i t y .

1. 6. 5. 1 Sour ces

Known st one sour ces ar e l i s t ed i n At t achment A of t hi s Sect i on, LI STED QUARRI ES. I nf or mat i on f or t he sour ces i s avai l abl e f or r evi ew by t he Cont r act or i n t he Of f i ce of U. S. Ar my Cor ps of Engi neer s, ( Geot echni cal Sect i on) Chi cago Di st r i ct , 231 Nor t h LaSal l e St r eet , Sui t e 1500, Chi cago, I l l i noi s 60604. I f t he COR det er mi nes sampl i ng and t est i ng i s r equi r ed t o ver i f y t he accept abi l i t y of a l i s t ed sour ce, such t est i ng wi l l be at t he Gover nment ' s expense. Fol l owi ng sampl e sel ect i on by t he COR, t he Cont r act or shal l ar r ange f or t r anspor t at i on of sampl e( s) t o t he Gover nment Labor at or y at t he Cont r act or ' s expense. A det er mi nat i on of accept ance or r ej ect i on of t he pr oposed l i s t ed sour ce( s) wi l l be pr ovi ded by t he Gover nment wi t hi n 90 cal endar days of t he Gover nment ' s i nspect i on and sampl i ng. No t i me ext ensi on wi l l be made t o t he Cont r act f or t he t i me necessar y f or t est i ng and eval uat i on of l abor at or y r esul t s of a l i s t ed sour ce.

a. Li st of Sour ces. On t he basi s of i nf or mat i on and dat a avai l abl e t o t he Cont r act i ng Of f i cer , st one meet i ng t he qual i t y r equi r ement s of t hese speci f i cat i ons has been pr oduced f r om t he sour ces l i s t ed at t he end of t hi s Sect i on.

b. Sel ect i on of Sour ce. Desi gnat e i n wr i t i ng onl y one sour ce or one combi nat i on of sour ces f r om whi ch he pr oposes t o f ur ni sh st one. I f t he Cont r act or pr oposes t o f ur ni sh st one f r om a sour ce not l i s t ed at t he end of t hi s Sect i on, he may desi gnat e onl y a s i ngl e unl i st ed sour ce f or st one and he shal l not i f y t he Cont r act i ng Of f i cer at l east 60 wor kdays bef or e t he st one l eaves t he quar r y. I t i s t he Cont r act or ' s r esponsi bi l i t y t o det er mi ne t hat t he st one sour ce or combi nat i on of sour ces sel ect ed i s capabl e of pr ovi di ng t he qual i t y, quant i t i es and gr adat i on needed and at t he r at e needed t o mai nt ai n t he schedul ed pr ogr ess of t he wor k. Sampl es f or accept ance t est i ng shal l be pr ovi ded i n accor dance wi t h par agr aph EVALUATI ON TESTI NG bel ow. I f a sour ce f or st one so desi gnat ed by t he Cont r act or i s not accept ed f or use by t he Cont r act i ng Of f i cer , t he Cont r act or may not pr opose ot her sour ces but shal l f ur ni sh t he st one f r om a sour ce l i s t ed at t he end of t hi s Sect i on wi t h no addi t i onal payment .

c. Accept ance of Mat er i al s. Accept ance of a sour ce of st one i s not t o be const r ued as accept ance of al l mat er i al f r om t hat sour ce. The r i ght i s r eser ved t o r ej ect mat er i al s f r om cer t ai n l ocal i zed ar eas, zones, st r at a, or channel s, when such mat er i al s ar e unsui t abl e f or st one as det er mi ned by t he Cont r act i ng Of f i cer . The Cont r act i ng Of f i cer al so

SECTI ON 35 31 19 Page 8 r eser ves t he r i ght t o r ej ect i ndi v i dual uni t s of pr oduced speci f i ed mat er i al s i n st ockpi l es at t he quar r y, al l t r ansf er poi nt s, and at t he pr oj ect const r uct i on s i t e when such mat er i al s ar e det er mi ned t o be unsui t abl e. Dur i ng t he cour se of t he wor k, t he st one may be t est ed by t he Gover nment , i f t he Cont r act i ng Of f i cer det er mi nes t hat t est i ng i s necessar y. I f such t est s ar e det er mi ned necessar y, t he t est i ng wi l l be done i n t he Gover nment ' s t est i ng l abor at or y or commer ci al l abor at or y sel ect ed by t he Gover nment . Mat er i al s pr oduced f r om a l i s t ed or unl i st ed sour ce shal l meet al l t he r equi r ement s her ei n. The cost of t est i ng wi l l be at t he Gover nment ' s expense. Dur i ng t he Cont r act per i od, bot h pr i or t o and af t er mat er i al s ar e del i ver ed t o t he j ob s i t e, v i sual i nspect i ons and measur ement s of t he st one mat er i al s may be per f or med by t he Cont r act i ng Of f i cer . I f t he Cont r act i ng Of f i cer , dur i ng t he i nspect i ons, f i nds t hat t he st one qual i t y, gr adat i on or wei ght s of st one bei ng f ur ni shed ar e not as speci f i ed or ar e quest i onabl e, r e- sampl i ng and r e- t est i ng i s r equi r ed. Sampl i ng of t he del i ver ed st one f or t est i ng and t he manner i n whi ch t he t est i ng i s t o be per f or med shal l be as di r ect ed by t he Cont r act i ng Of f i cer . Thi s addi t i onal sampl i ng and t est i ng shal l be per f or med at t he Cont r act or ' s expense when t est r esul t s i ndi cat e t hat t he mat er i al s do not meet speci f i ed r equi r ement s. When t est r esul t s i ndi cat e t hat mat er i al s meet speci f i ed r equi r ement s, an equi t abl e adj ust ment i n t he Cont r act pr i ce wi l l be made f or t he sampl i ng and t est i ng. Any mat er i al r ej ect ed shal l be r emoved or di sposed of as speci f i ed and at t he Cont r act or ' s expense.

1. 6. 5. 2 Eval uat i on Test i ng of St one

Submi t a copy of t he l abor at or y i nspect i on r epor t al ong wi t h act i ons t aken t o cor r ect def i c i enci es and a copy of t he l abor at or y t est r esul t s, pr i or t o del i ver y of such mat er i al t o t he wor ksi t e; s i nce qual i t y t est on t he st one i n accor dance wi t h PART 2 par agr aph EVALUATI ON TESTI NG OF STONE i s t he r esponsi bi l i t y of t he Cont r act or . The t est s t o whi ch t he st one may be subj ect ed wi l l i ncl ude pet r ogr aphi c anal ysi s, speci f i c gr avi t y, uni t wei ght , absor pt i on, wet t i ng and dr yi ng, f r eezi ng and t hawi ng and such ot her t est s as may be consi der ed necessar y t o demonst r at e t hat t he st one i s of a sat i sf act or y qual i t y whi ch i s at l east equi val ent t o st one f r om t he sour ces l i s t ed at t he end of t hi s Sect i on.

TABLE 1

Cr i t er i a f or St one Qual i t y

Test Test Met hod Accept ance Cr i t er i a Speci f i c Gr avi t y( 3) ASTM C127 2. 5 - 3. 0 Absor pt i on ASTM C127 < 1 per cent and > 3 per cent Los Angel es Abr asi on( 2) ASTM C535 < 20 per cent l oss af t er 500 r evol ut i ons Sodi um Sul f at e Soundness( 4) ASTM C88 < 5 per cent l oss af t er 5 cycl es Fr eeze- Thaw( 1) , ( 2) ASTM D5312/ D5312M < 2 per cent l oss af t er 35 cycl es

SECTI ON 35 31 19 Page 9

Wet t i ng- Dr yi ng( 1) , ( 2) ASTM D5313/ D5313M < 2 per cent l oss af t er 80 cycl es Pet r ogr aphi c( 2) ASTM C295/ C295M No del et er i ous Exami nat i on mat er i al s or f eat ur es al l owed Fi el d Exami nat i on( 2) ASTM D4992 No del et er i ous mat er i al s or f eat ur es al l owed

No det r i ment al di scont i nui t i es Compr essi ve St r engt h( 4) ASTM C42/ C42M Mi ni mum 4000 psi

( 1) The mi ni mum sampl e s i ze f or Ar mor St one shal l be a st one of 1, 500 pounds. Cont r act or shal l ensur e t hat t he sel ect ed l abor at or y i s gover nment appr oved f or t he r equi r ed capaci t y/ equi pment t o al l ow f or t est i ng of t hi s sampl e s i ze. The mi ni mum t est i ng s l ab si ze di mensi on shal l be 13 i nches by 15 i nches by 2 i nches f or desi gnat i on ASTM D5312/ D5312M and ASTM D5313/ D5313M, and shal l be cut per pendi cul ar t o t he beddi ng pl anes wi t hi n t he st one.

( 2) See par agr aph ent i t l ed STONE SAMPLI NG AND LABORATORY TESTI NG f or appl i cabi l i t y of t he t est s.

( 3) St one havi ng speci f i c gr avi t y out si de t he r ange of 2. 6 t o 3. 0 i s not accept abl e wi t hout pr i or appr oval of t he COR - see par agr aph t i t l ed " Redesi gn Dat a" of t hi s Sect i on. Ref er ence par agr aphs under " Mat er i al Qual i t y" f or f ur t her r est r i ct i on on t he geol ogi c t ypes of st one t hat ar e accept abl e.

a. Uni t Wei ght SSD, Sat ur at ed Sur f ace Dr y and Absor pt i on. St one shal l wei gh mor e t han 16 pounds per cubi c f oot have a SSD, sat ur at ed sur f ace dr y, gr eat er t han 2. 5. The st one shal l have an absor pt i on l ess t han one or gr eat er t han t hr ee per cent unl ess ot her t est s and ser vi ce r ecor ds show t hat t he st one i s sat i sf act or y. The met hod of t est f or uni t wei ght and SSD and absor pt i on wi l l be ASTM C127.

1. 6. 5. 3 Pr e Pr oduct i on Ref er ence St ones

Bef or e sel ect i ng a sour ce f or pr epar at i on of Pr e- Pr oduct i on Ref er ence St ones, t he Cont r act or shal l be r easonabl y cer t ai n t hat t he sour ce i s capabl e of meet i ng t he qual i t y, quant i t y and sour ce r equi r ement s speci f i ed i n PART 2 - PRODUCTS bel ow.

1. 6. 5. 4 I nspect i on and Fi el d Test s

At t he quar r y and pr oj ect s i t e, v i sual i nspect i ons shal l be made of each Type A and A- 1 St one r andoml y as schedul ed i n Tabl e- 2 by a SMC i nspect or .

The vi sual i nspect i ons shal l check si ze, gr adat i on, el ongat i on, f r act ur es, det er i or at i on and ot her def ect s t o assur e t hat handl i ng dur i ng l oadi ng, t r anspor t i ng, unl oadi ng and pl acement has not caused damage t o t he mat er i al s and t o assur e t hey ar e pl aced i n accor dance wi t h t he r equi r ement s of t hi s Sect i on. Wei ghi ng of st ones or r e- measur i ng t hem shal l be per f or med t o ver i f y comput ed wei ght s when t he COR br i ngs t he si ze

SECTI ON 35 31 19 Page 10 of speci f i c st ones i nt o quest i on or t he SMC i nspect or obser ves t he need t o do so. Except as al l owed by gr adat i on t ol er ances, any mat er i al br oken, cr acked, out of gr adat i on or wei ght l i mi t at i on or i mpr oper l y pl aced i n t he wor k shal l be r emoved and r epl aced wi t h sat i sf act or y st ones and cor r ect i ve act i on t aken at no addi t i onal expense t o t he Gover nment . Rej ect ed mat er i al shal l be pr ompt l y r emoved f r om t he pr oj ect s i t e. Such mat er i al s ar e excl uded f r om measur ement f or payment .

1. 6. 5. 5 Random Sampl i ng

The st one pr oduced by each sour ce maybe sampl ed by t he Gover nment f or Qual i t y Assur ance t est i ng on t he basi s of a maxi mum once each year . The sampl es wi l l be eval uat ed based upon pet r ogr aphi c anal ysi s, speci f i c gr avi t y, uni t wei ght , and absor pt i on, or such t est s as det er mi ned necessar y by t he COR.

1. 6. 6 Di spl acement Gauge I nst al l at i on Dat a

Compl et e i nf or mat i on on t he st one haul i ng vessel di spl acement gauge i nst al l at i on dat a shal l be submi t t ed.

1. 6. 7 Cer t i f i ed St one Haul i ng Vessel Gaugi ng Tabl e Dat a

Submi t cer t i f i ed st one haul i ng vessel gaugi ng t abl e dat a and a copy of t he dat a and cal cul at i ons used f or t he pr epar at i on of t he t abl es.

1. 6. 8 Pr e Pl acement Sur vey

Per f or m Pr e- Pl acement Sur vey not l ess t han 60 cal endar days pr i or t o demol i t i on and/ or st one pl acement i n or der t o ver i f y condi t i ons. Sur vey shal l pr ovi de dat a, pl ans and sect i ons necessar y t o est abl i sh wher e ar mor st one i s or i s not r equi r ed on t he br eakwat er . Submi t sur vey t o COR wi t hi n 30 cal endar days of compl et i on i n or der t o per mi t t he COR t o make f i el d adj ust ment s of t he quant i t i es of st one t o be pl aced. The COR may di r ect t he Cont r act or t o adj ust t he quant i t i es and l ocat i ons of st one pl acement f r om t hose on t he dr awi ngs based upon sur vey dat a and condi t i ons.

1. 6. 9 Check Sur vey Dat a

A copy of t he r ecor d of each check sur vey dat a shal l be submi t t ed wi t hi n one busi ness day af t er t he sur vey.

1. 6. 10 Equi pment

Pr i or t o st ar t i ng wor k, a l i s t of al l equi pment dat a, t ool s, machi nes, i ncl udi ng t hei r s i zes, capaci t i es and oper at i ng speeds, t o be used i n t he per f or mance of t he wor k shal l be submi t t ed. Al l t he pl ant shal l be mai nt ai ned i n sat i sf act or y wor ki ng condi t i on at al l t i mes.

1. 6. 11 Wei gh Scal e Cer t i f i cat i on

I f an on- si t e scal e i s used, pr i or t o t he use t her eof , submi t det ai l s on t he l ocat i on and const r uct i on of t he scal e and a copy of t he wei gh scal e cer t i f i cat i on of t he scal e' s accur acy f r om t he l ocal wei ght s and measur es r egul at i ng agency.

SECTI ON 35 31 19 Page 11

1. 6. 12 Cer t i f i ed Wei ght Scal e Ti cket s

A copy of each wei gh bi l l , i ncl udi ng cer t i f i ed wei ght scal e t i cket s t hat cer t i f y exact wei ght , t i me of wei ghi ng and del i ver y and cer t i f i cat i on of pr oper pl acement i n t he wor k shal l be submi t t ed wi t hi n one wor k day af t er wei ghi ng.

1. 6. 13 St one Pl acement Recor ds

At t he t i me of compl et i on of st one pl acement oper at i ons, t he Cont r act or shal l submi t st one pl acement r ecor ds. The Cont r act or shal l pr epar e a document t hat gr aphi cal l y shows, f or each l ayer of st one, t he sour ce of t he st one f or each r each and t he t i me per i ods dur i ng whi ch i t was quar r i ed and dur i ng whi ch i t was pl aced. At t achment s t o t he document shal l i ncl ude a copy of t he Cont r act or ' s gr adat i on dat a and t est r esul t s f or each gr adat i on r ange as wel l as a copy of t he Gover nment ' s eval uat i on and t est r esul t s t hat wi l l have been f ur ni shed t o t he Cont r act or .

1. 7 QUALI TY ASSURANCE

Dur i ng t he Cont r act per i od, bot h pr i or t o and af t er mat er i al ar e del i ver ed t o t he j ob s i t e/ st or age si t e, v i sual i nspect i ons and measur ement s of t he st one mat er i al s may be per f or med by t he COR. I f t he COR, dur i ng t he i nspect i ons, f i nds t hat t he st one qual i t y, gr adat i on or wei ght s of st one bei ng f ur ni shed ar e not as speci f i ed or ar e quest i onabl e, r e- sampl i ng and r et est i ng by t he Cont r act or shal l be r equi r ed. Sampl i ng and t he manner i n whi ch t he t est i ng of t he del i ver ed st ones/ st ockpi l ed st one at t he sour ce or dock f or shi pment i s t o be per f or med, shal l be di r ect ed by t he COR.

The Cont r act or shal l pay t he cost of t hi s addi t i onal t est i ng of st one, i f t he eval uat i on of t he t est s by t he gover nment det er mi nes t he st one does not meet t he speci f i cat i on. I f t he t est eval uat i on by t he gover nment det er mi nes t hat t he st one meet s t he speci f i cat i ons t hen t he gover nment wi l l pay t he cost . However , t he f i nal accept abi l i t y of t he st one wi l l depend on meet i ng t he r equi r ement s f or v i sual i nspect i on and ser vi ce r ecor ds, as st at ed i n t he speci f i cat i ons. Any mat er i al r ej ect ed shal l be r emoved or di sposed of f as speci f i ed or di r ect ed by t he COR. Removal of r ej ect ed st one shal l be at Cont r act or ' s expense.

PART 2 PRODUCTS

2. 1 STONE PROTECTI ON

2. 1. 1 Gener al

The mat er i al s t o be f ur ni shed shal l meet al l r equi r ement s speci f i ed i n t hi s Sect i on of t he speci f i cat i on. Mat er i al s whi ch have been del i ver ed t o t he pr oj ect s i t e and ar e r ej ect ed, whet her i n st ockpi l e or i n pl ace i n t he st r uct ur e, shal l be r emoved f r om t he pr oj ect s i t e at t he Cont r act or ' s expense. Al l r ej ect ed mat er i al shal l be r et ur ned t o t he sour ce at t he Cont r act or ' s expense.

2. 1. 1. 1 Li st ed Sour ces

Known st one sour ces ar e l i s t ed i n At t achment A of t hi s Sect i on, LI STED QUARRI ES. I nf or mat i on f or t he sour ces i s avai l abl e f or r evi ew by t he Cont r act or i n t he Of f i ce of U. S. Ar my Cor ps of Engi neer s, ( Geot echni cal Dam and Levee Saf et y Sect i on) Chi cago Di st r i ct , 231 Nor t h LaSal l e St r eet , Sui t e 1500, Chi cago, I l l i noi s 60604. I f t he COR det er mi nes sampl i ng and

SECTI ON 35 31 19 Page 12 t est i ng i s r equi r ed t o ver i f y t he accept abi l i t y of a l i s t ed sour ce, such t est i ng wi l l be at t he Gover nment ' s expense. Fol l owi ng sampl e sel ect i on by t he COR, t he Cont r act or shal l ar r ange f or t r anspor t at i on of sampl e( s) t o t he Gover nment Labor at or y at t he Cont r act or ' s expense. A det er mi nat i on of accept ance or r ej ect i on of t he pr oposed l i s t ed sour ce( s) wi l l be pr ovi ded by t he Gover nment wi t hi n 90 cal endar days of t he Gover nment ' s i nspect i on and sampl i ng. No t i me ext ensi on wi l l be made t o t he Cont r act f or t he t i me necessar y f or t est i ng and eval uat i on of l abor at or y r esul t s of a l i s t ed sour ce.

2. 1. 1. 2 No Gover nment War r ant y

The Gover nment does not war r ant t he sour ces i n At t achment A. The l i s t i ng i n At t achment A shal l not be const r ued as i mpl yi ng t hat t he sour ces l i s t ed her ei n ar e act ual l y i nt er est ed i n or capabl e of pr oduci ng or of f er i ng st one i n t he r equi r ed si ze, gr adat i on, wei ght s, quant i t i es, qual i t y or schedul es r equi r ed, or t hat t r anspor t at i on f r om t he sour ce t o t he pr oj ect i s avai l abl e. I t i s t he r esponsi bi l i t y of t he Cont r act or t o v i s i t a l i s t ed sour ce t o ver i f y and det er mi ne whet her a sel ect ed sour ce i s capabl e of pr oduci ng t he r equi r ed quant i t y, qual i t y, s i ze, gr adat i on, or wei ght speci f i ed, and i n a t i mel y manner . I f i t i s f ound t hat t he quar r y or sour ce condi t i ons have changed si nce t he l ast Gover nment i nspect i on, t he Gover nment may r equi r e al l appl i cabl e t est i ng, as gi ven i n Tabl e 1, of t he st one f r om t he sour ce pr oposed by t he Cont r act or .

2. 1. 1. 3 Ot her Sour ces

St one mat er i al s may be f ur ni shed f r om sour ces ot her t han t he known sour ces i ndi cat ed i n At t achment A, pr ovi ded st one qual i t y and quant i t y ar e ot her wi se meet t he speci f i cat i ons. I f a st one sour ce pr oposed by t he Cont r act or i s not l i s t ed i n At t achment A, t he Gover nment wi l l make such i nvest i gat i ons and eval uat i on as necessar y t o det er mi ne whet her or not mat er i al s meet i ng t he r equi r ement s of t he pr oj ect can be pr oduced f r om t he pr oposed sour ce. The Cont r act or shal l al l ow 90 cal endar days f or r evi ew of any of f - s i t e st one sour ce not l i s t ed i n At t achment A. The t est s l i s t ed i n At t achment A shal l be r equi r ed t o ver i f y t he sui t abi l i t y of t he pr oposed st one sour ce. Al l r equi r ed t est s shal l be conduct ed on st one sampl es sel ect ed by t he Gover nment . Al l cost s f or t est i ng of a non- l i s t ed st one sour ce shal l be bor ne by t he Cont r act or . The eval uat i on of t he st one accept abi l i t y wi l l be based on cr i t er i a of v i sual i nspect i ons, ser vi ce r ecor d f or per f or mance i n pr oj ect s i n t he Gr eat Lakes ar ea and l abor at or y t est r esul t s, as st at ed i n t he speci f i cat i on. The Gover nment wi l l pr ovi de a det er mi nat i on of accept ance or r ej ect i on of non- l i s t ed sour ce( s) pr oposed by t he Cont r act or wi t hi n 90 cal endar days of t he dat e of Gover nment i nspect i on and sampl e sel ect i on. No addi t i onal t i me wi l l be added t o Cont r act mi l est ones or del i ver y dat es f or t he t i me r equi r ed f or t he Gover nment t o make a det er mi nat i on of accept ance or r ej ect i on of a non- l i s t ed Cont r act or pr oposed sour ce.

2. 1. 1. 4 Eval uat i on Test i ng Of St one Fr om Unl i st ed Sour ce( S)

I f t he Cont r act or pr oposes t o f ur ni sh st one f r om an unl i st ed sour ce, have eval uat i on t est s per f or med on st one sampl es col l ect ed f r om t he pr oposed sour ce. The quar r y i nvest i gat i on shal l be per f or med by a r egi st er ed geol ogi st or r egi st er ed engi neer . The t est s t o whi ch t he st one shal l be subj ect ed i ncl ude pet r ogr aphi c exami nat i on ( ASTM C295/ C295M) , SSD, uni t wei ght , absor pt i on ( ASTM C127) , r esi st ance of st one t o f r eezi ng and t hawi ng ( COE CRD- C 144 or ASTM D5312/ D5312M) , and r esi st ance t o wet t i ng

SECTI ON 35 31 19 Page 13 and dr yi ng ( ASTM D5313/ D5313M) . The l abor at or y t o per f or m t he r equi r ed t est i ng shal l be val i dat ed based on r el evant par agr aphs of ASTM D3740, and no wor k r equi r i ng t est i ng shal l be per mi t t ed unt i l t he l abor at or y has been i nspect ed and val i dat ed. A copy of t he document s, pr ovi ded by t he USACE Mat er i al s Test i ng Cent er ( MTC) t hat val i dat es t hat t he l abor at or y can per f or m t he r equi r ed t est s. The i ndi v i dual t est s shal l be l i s t ed f or whi ch t he val i dat i on cover s al ong wi t h t he dat e of t he i nspect i on. The f i r st i nspect i on of t he f aci l i t i es shal l be at t he expense of t he Gover nment and any subsequent i nspect i ons r equi r ed because of f ai l ur e of t he f i r st i nspect i on shal l be at t he expense of t he Cont r act or .

a. Bul k Speci f i c Gr avi t y Range. Al l st one shal l have a mi ni mum SSD, sat ur at ed sur f ace dr y, of 2. 5 and a maxi mum bul k speci f i c gr avi t y of not mor e t han 3. 0 based upon wat er havi ng a uni t wei ght of 62. 4 pounds per cubi c f oot . The met hod of t est f or SSD shal l be ASTM C127.

Ref er ence i s made t o par agr aph FACTORS USED FOR CONVERTI NG I N- PLACE VOLUME TO WEI GHT f or i nst r uct i ons f or conver t i ng i n- pl ace vol ume t o bi d quant i t i es and f or i nst r uct i ons on adj ust i ng bi d schedul e quant i t i es f or var i at i ons i n bul k speci f i c gr avi t y and per cent age of voi ds.

b. Uni t Wei ght and Absor pt i on. St one shal l wei gh mor e t han 155 pounds per cubi c f oot have a bul k speci f i c gr avi t y, sat ur at ed sur f ace dr y, gr eat er t han 2. 5. The st one shal l have an absor pt i on l ess t han one per cent or gr eat er t han t hr ee per cent unl ess ot her t est s and ser vi ce r ecor ds show t hat t he st one i s sat i sf act or y. The met hod of t est f or uni t wei ght and absor pt i on shal l be ASTM C127.

c. Pet r ogr aphi c Exami nat i on. St one shal l be eval uat ed i n accor dance wi t h ASTM C295/ C295M whi ch shal l i ncl ude i nf or mat i on r equi r ed by ASTM D4992, par agr aph 10. COE CRD- C 148 shal l be used t o per f or m Et hyl ene gl ycol t est s r equi r ed on r ocks cont ai ni ng smect i t e as speci f i ed i n ASTM D4992 and on sampl es i dent i f i ed t o cont ai n swel l i ng c l ays.

d. Resi st ance t o Fr eezi ng and Thawi ng. St one shal l have a maxi mum l oss of t wo per cent af t er t he number of 35 cycl es usi ng ASTM D5312/ D5312M, Fi gur e 1, when det er mi ni ng t he dur abi l i t y of st one when subj ect ed t o f r eezi ng and t hawi ng i n accor dance wi t h COE CRD- C 144 and

ASTM D5312/ D5312M.

e. Resi st ance of Rock t o Wet t i ng and Dr yi ng. St one shal l have a maxi mum l oss of t wo per cent when det er mi ni ng t he dur abi l i t y of st one when subj ect t o wet t i ng and dr yi ng i n accor dance wi t h ASTM D5313/ D5313M.

f . Sampl es. I f a sour ce not l i s t ed at t he end of t hi s Sect i on i s pr oposed, sampl es shal l be t aken by a r epr esent at i ve of t he Quar r y under t he super vi s i on of t he Cont r act i ng Of f i cer f or t est i ng and accept ance pr i or t o del i ver y of any st one f r om t hi s sour ce t o t he s i t e of t he wor k. I nf or mat i on pr ovi ded wi t h t he sampl es shal l i ncl ude t he l ocat i on wi t hi n t he quar r y f r om whi ch t he sampl e was t aken al ong wi t h a f i el d exami nat i on of t he quar r y. The f i el d exami nat i on shal l i ncl ude t he i nf or mat i on out l i ne i n ASTM D4992, par agr aph 7. Sampl es shal l consi st of at l east t hr ee pi eces of st one, r oughl y equi di mensi onal i n shape and wei ghi ng not l ess t han 1, 000 pounds each f r om each uni t t hat shal l be used i n t he pr oduct i on of t he r equi r ed st one. I f t he sour ce i s an undevel oped quar r y, or i f t he oper at i on has been dor mant f or mor e t han t hr ee year s such t hat f r esh sampl es ar e not avai l abl e, expose f r esh r ock f or 20 f eet hor i zont al l y and f or t he f ul l hei ght of t he f ace pr oposed f or pr oduct i on, pr i or t o t he f i el d

SECTI ON 35 31 19 Page 14 eval uat i on. The sampl es shal l be shi pped at t he Cont r act or ' s expense t o a l abor at or y val i dat ed by t he gover nment t o per f or m t he r equi r ed t est s.

g. Test s. Conduct t he t est s i n accor dance wi t h appl i cabl e ASTM and Cor ps of Engi neer s met hods of t est s, gi ven i n t he Handbook f or Concr et e and Cement , i n a l abor at or y val i dat ed by t he gover nment . The cost of t est i ng shal l be bor ne by t he Cont r act or .

2. 1. 1. 5 Quar r y Oper at i ons

Conduct quar r y oper at i ons i n a manner t o pr oduce st one conf or mi ng t o t he r equi r ement s speci f i ed, t hi s may i nvol ve sel ect i ve quar r y i ng, handl i ng, pr ocessi ng, bl endi ng, and l oadi ng as necessar y, al l of whi ch shal l be as speci f i ed i n Sect i on 01 45 00. 00 10 QUALI TY CONTROL. Cont r ol bl ast i ng and handl i ng of r ock t o pr oduce r ock of t he s i ze r anges and qual i t y speci f i ed. Techni ques such as t he use of pr oper hol e di amet er , hol e dept h, hol e angl e, bur den and spaci ng di st ances, t ypes and di st r i but i on of expl osi ves. del ay i nt er val s and sequence, r emoval of muck pi l es bet ween each shot , and speci al handl i ng t echni ques ar e r equi r ed as necessar y t o pr oduce t he speci f i ed mat er i al s. Al l aspect s of bl ast i ng oper at i ons shal l be speci f i cal l y desi gned so t hat t he end pr oduct i s not damaged f r om t he bl ast i ng t echni que and t hat t he st one i s sui t abl e f or t he i nt ended pur pose.

a. Cur i ng St one

Conduct cur i ng oper at i ons on f r eshl y quar r i ed st one t o al l ow i t t o r el ease st or ed ener gy and moi st ur e and t o al l ow t he st one t o demonst r at e t hat i t wi l l not f r act ur e dur i ng t he ener gy r el ease and dr yi ng- out phase. St ones of s i zes whi ch ar e i ndi v i dual l y pi cked shal l be t empor ar i l y st ockpi l ed at t he quar r y s i t e a mi ni mum of 30 cal endar days bef or e bei ng shi pped t o t he pr oj ect s i t e, unl ess t hi s r equi r ement i s wai ved by t he COR. Such wai ver wi l l be gr ant ed onl y i f t he st one has char act er i st i cs t hat make cur i ng unnecessar y.

b. St one Quar r yi ng Excl usi on Per i od

St one quar r i ed bet ween t he 15t h of Oct ober and t he 15t h of Apr i l wi l l not be appr oved f or use i n t he pr oj ect . I f t he st one i s not af f ect ed by f r eeze- t haw cycl es, and t he dur abi l i t y hi st or y of t he st one demonst r at es t hat quar r y i ng dur i ng t he excl usi on per i od has not adver se ef f ect on t he dur abi l i t y of t he st one and t he Cont r act i ng Of f i cer appr oves t he use of st one quar r i ed dur i ng t he excl usi on per i od, t he st one quar r y i…