A.07.24_AMD_0003_SPECS.pdf

Semmes Lake Dam Reconst r uct i on W912HP18R2002 Ft . Jackson, SC

SECTI ON TABLE OF CONTENTS

DI VI SI ON 01 - GENERAL REQUI REMENTS

SECTI ON 01 11 00

SUMMARY OF WORK

08/15

PART 1 GENERAL

1. 1 SUBMI TTALS

1. 2 WORK COVERED BY CONTRACT DOCUMENTS

1. 2. 1 Pr oj ect Descr i pt i on

1. 2. 2 Locat i on

1. 2. 3 Hi st or y

1. 2. 4 Or der of Wor k

1. 3 Gover nment Occupancy

1. 4 EXI STI NG WORK

1. 5 LOCATI ON OF UNDERGROUND UTI LI TI ES

1. 5. 1 Not i f i cat i on Pr i or t o Excavat i on

PART 2 PRODUCTS

PART 3 EXECUTI ON

3. 1 I NI TI AL RESERVOI R FI LLI NG

3. 1. 1 I mpl ement at i on

3. 1. 2 Reser voi r Fi l l i ng

3. 1. 3 Pr ef er r ed Fi l l i ng Rat e

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SECTI ON 01 11 00 Page 1 ( Revi sed by Amendment 0003)

SECTI ON 01 11 00

SUMMARY OF WORK

08/15

PART 1 GENERAL

1. 1 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- 01 Pr econst r uct i on Submi t t al s

1. 2 WORK COVERED BY CONTRACT DOCUMENTS

1. 2. 1 Pr oj ect Descr i pt i on

Semmes Lake Dam Reconst r uct i on wi l l be c l assi f i ed as an i nt er medi at e, hi gh hazar d, ear t hen dam. Reconst r uct i on consi st s of r emovi ng t he r emai ni ng embankment mat er i al and r econst r uct i ng t he embankment .

Reconst r uct i on wi l l al so i ncl ude a cont r ol l ed concr et e out l et wor ks, a 4' x 4' out l et gat e and a t hr ee- st age l abyr i nt h wei r . The dam i s appr oxi mat el y 970 f eet l ong, wi t h maxi mum hei ght of 29 f eet above t he l ake bed. The t hr ee- st age wei r wi l l be desi gned t o keep a nor mal pool at el evat i on 215. 0' ( NAVD88) , wi t h secondar y and t er t i ar y cycl es at

215. 5' and 219. 2' , r espect i vel y. Ther e i s no emer gency spi l l way, t he pr i mar y spi l l way i s desi gned t o handl e a 100, 000 year f l ood wi t h no over t oppi ng of t he dam embankment . Wi t h t he pr oposed st or age capaci t y and hei ght , t he dam i s c l assi f i ed as an i nt er medi at e s i ze dam, accor di ng t o Tabl e 5- 1 of AR 420- 1.

1. 2. 2 Location

Semmes Lake Dam i s l ocat ed on For t Jackson i n Col umbi a, Sout h Car ol i na.

The dam and r eser voi r ar e owned and oper at ed by For t Jackson. Semmes Lake Dam i s l ocat ed at t he west er n s i de of t he Ft Jackson r eser vat i on wi t h an appr oxi mat e Lat i t ude of 34. 005° N, Longi t ude 80. 942 W ( NAVD88) .

1. 2. 3 History

A. The or i gi nal Semmes Dam was compl et ed i n 1940. The ear t hen embankment dam was 970 f eet l ong wi t h a st r uct ur al hei ght of 27 f eet and t op wi dt h of 48- f eet . The t op of dam el evat i on var i ed bet ween 220. 7 f eet and 222. 0 f eet NAVD88. The dam cr est consi st ed of t he t wo- l ane paved Semmes Road and concr et e s i dewal k.

B. Semmes Lake Dam was br eached dur i ng a maj or f l oodi ng event i n Oct ober 2015. A br each measur i ng 130 f eet wi de and over 20 f eet i n hei ght was cr eat ed dr ai ni ng Semmes Lake.

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1. 2. 4 Or der of Wor k

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Unl ess ot her wi se di r ect ed by t he Cont r act i ng Of f i cer or hi s/ her desi gnat ed r epr esent at i ve t he or der of wor k shal l be as f ol l ows:

1. Const r uct al l r equi r ed Er osi on and Sedi ment cont r ol measur es;

2. Const r uct new r ei nf or ced concr et e spi l l way i nc l udi ng f oundat i on pr epar at i on and anchor i ng, f oundat i on under dr ai n syst em, r ei nf or ced concr et e l abyr i nt h wei r , spi l l way t r ai ni ng wal l s and sl ab, and st i l l i ng basi n;

3. Const r uct i on of cof f er dams and sequenci ng wor k f or st r eam diversion

4. I nst al l i ng dewat er i ng syst em;

5. Reconst r uct new ear t hf i l l dam wi t h sand chi mney dr ai n and sand bl anket dr ai n;

6. I nst al l i ng a t oe dr ai n seepage col l ect i on syst em connect ed t o t he bl anket dr ai n i ncl udi ng f i l t er sand, dr ai n gr avel , dr ai n pi pes, c l eanout s and manhol es;

7. I nst al l i ng new i nst r ument at i on i ncl udi ng new pi ezomet er s i n dr i l l hol es, a r eser voi r st af f gage on t he spi l l way wal l , and new movement monument s;

8. I ni t i al r eser voi r f i l l i ng i nc l udi ng moni t or i ng and eval uat i ng t he per f or mance of t he dam and i t s f oundat i on as t he r eser voi r i s bei ng f i l l ed. I ni t i al r eser voi r f i l l i ng may begi n af t er compl et i on of embankment const r uct i on and pr i or t o const r uct i on of r oadway. See par agr aph I ni t i al Fi l l i ng Pl an of t hi s Sect i on.

98. Const r uct i ng new t wo l ane asphal t r oadway al ong t he ent i r e l engt h of t he new ear t h embankment wi t h guar dr ai l and pr ef abr i cat ed concr et e ar ch cul ver t t hat spans t he dei schar ge channel . Const r uct new concr et e s i dewal k and f enci ng al ong t he t op of t he new embankment .

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I f t he Opt i onal Bi d I t ems ar e exer ci sed, t he Opt i onal Bi d I t ems must be const r uct ed af t er t he r econst r uct i on of t he new embankment dam. I f t he Opt i onal Bi d I t ems ar e exer ci sed, t he Opt i onal Bi d I t ems must be i ncor por at ed i nt o t he above Or der of Wor k by t he Cont r act or and appr oved by t he Cont r act i ng Of f i cer .

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* * * AMENDMENT 0001* * *

1. 3 Gover nment Occupancy

A. The Gover nment wi l l occupy t he pr emi ses f ul l t i me dur i ng t he per i od of const r uct i on t o conduct nor mal oper at i ons.

B. Cooper at e wi t h t he Gover nment t o mi ni mi ze conf l i c t s, and t o f aci l i t at e Gover nment ' s oper at i ons. Text

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1. 4 Or der of Wor k

Text

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1. 4 EXI STI NG WORK

I n addi t i on t o " FAR 52. 236- 9, Pr ot ect i on of Exi st i ng Veget at i on, St r uct ur es, Equi pment , Ut i l i t i es, and I mpr ovement s" :

a. Remove or al t er exi st i ng wor k i n such a manner as t o pr event i nj ur y or damage t o any por t i ons of t he exi st i ng wor k whi ch r emai n.

b. Repai r or r epl ace por t i ons of exi st i ng wor k whi ch have been al t er ed dur i ng const r uct i on oper at i ons t o mat ch exi st i ng or adj oi ni ng wor k, as appr oved by t he Cont r act i ng Of f i cer . At t he compl et i on of oper at i ons, exi st i ng wor k must be i n a condi t i on equal t o or bet t er t han t hat whi ch exi st ed bef or e new wor k st ar t ed.

1. 5 LOCATI ON OF UNDERGROUND UTI LI TI ES

Obt ai n di ggi ng per mi t s pr i or t o st ar t of excavat i on, and compl y wi t h I nst al l at i on r equi r ement s f or l ocat i ng and mar ki ng under gr ound ut i l i t i es.

Ver i f y exi st i ng ut i l i t y l ocat i ons i ndi cat ed on cont r act dr awi ngs, wi t hi n ar ea of wor k.

Ver i f y el evat i ons bef or e i nst al l i ng new wor k c l oser t han near est manhol e or ot her st r uct ur e at whi ch an adj ust ment i n gr ade can be made.

1. 5. 1 Not i f i cat i on Pr i or t o Excavat i on

Not i f y t he Cont r act i ng Of f i cer at l east 15 days pr i or t o st ar t i ng excavat i on wor k.

PART 2 PRODUCTS

Not used.

PART 3 EXECUTI ON

* * * AMENDMENT 0001* * *

Not used.

3. 1 I NI TI AL RESERVOI R FI LLI NG

3. 1. 1 Implementation

When t he r eser voi r f i l l i ng begi ns, t he Cont r act or wi l l gi ve t he appr oval t o r est r i c t t he out l et wor ks t o meet t he mi ni mum r equi r ed 5 cf s di schar ge.

Reser voi r f i l l i ng wi l l be per f or med by t he t he Cont r act or and US Ar my Cor ps of Engi neer s Const r uct i on of f i ce st af f wi t h gui dance f r om Engi neer i ng st af f . St af f f r om geot echni cal and st r uct ur al di sc i pl i nes wi l l moni t or t he dam behavi or and pr ovi de i nput t o t he Cont r act i ng Of f i cer .

Bef or e Fi l l i ng begi ns, t he Cont r act or needs t o conf i r m t hat :

a. I ni t i al I nspect i on has been compl et ed sat i sf act or i l y and t hat any i ssues have been r esol ved.

b. Access r oads l eadi ng t o t he r eser voi r pool have been bar r i caded.

c. Reser voi r c l ear i ng has been compl et ed.

d. Cor por at e Communi cat i ons has pr ovi ded necessar y not i f i cat i ons t o

SECTI ON 01 11 00 Page 4 t he Cont r act i ng Of f i cer .

e. The Gover nment has pr ovi ded necessar y not i f i cat i ons t o t he publ i c, st akehol der s and st at e and l ocal gover nment agenci es.

The Cont r act or wi l l not i f y t he Cont r act i ng Of f i cer at l east 10 days i n advance of c l osur e.

The Cont r act or and USACE engi neer s wi l l super vi se t he i ni t i al f i l l i ng, moni t or t he i nst r ument at i on and pr ovi de t echni cal deci s i ons t o oper at e t he Dam. Techni cal deci s i ons wi l l be communi cat ed t o t he USACE Char l est on Resi dent Engi neer on a weekl y basi s or i f unexpect ed behavi or of t he Dam occur s.

3. 1. 2 Reser voi r Fi l l i ng

The met hod of f i l l i ng t he r eser voi r i s usi ng pr eci pi t at i on ( obser ved) .

Thi s pr ocess depends f ul l y on met eor ol ogi cal i nf l uence and seasonal t r ansi t i ons, i n whi ch i t coul d t ake a f ew mont hs t o f i l l t he r eser voi r .

The r eser voi r i s nor t h of t he Dam Embankment wi t h a nor mal pool capaci t y of 120 acr e- f eet , and t he maxi mum capaci t y i s 490 acr e- f eet .

3. 1. 3 Pr ef er r ed Fi l l i ng Rat e

The pr ef er r ed f i l l i ng r at e wi l l be cont r ol l ed by moni t or i ng t he r i se i n pool el evat i on t o r egul at e t he downst r eam di schar ge. Thi s wi l l pr ovi de a s l ow f i l l i ng of t he r eser voi r and an oppor t uni t y t o moni t or and eval uat e i nst r ument at i on dur i ng t he s l owl y i ncr eased r eser voi r l oadi ng. St or m event s wi l l be ant i c i pat ed and i mpoundment l evel s moder at ed ( as much as possi bl e) , wi t h t he out l et wor ks t o assur e t he i ni t i al f i l l i ng r at e occur s expedi t i ousl y and saf el y.

* * * AMENDMENT 0003* * *

The r at e of f i l l i ng of Semmes Lake shal l not exceed one- f oot per day of el evat i on on t he ear t h embankment .

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K7EPEOAF

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K7EPEOAF

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SECTI ON TABLE OF CONTENTS

DI VI SI ON 31 - EARTHWORK

SECTI ON 31 00 00

EARTHWORK

08/08

PART 1 GENERAL

1. 1 SECTI ON I NCLUDES

1. 1. 1 St r i ppi ng and St ockpi l i ng Topsoi l

1. 1. 2 Excavat i on

1. 1. 3 Dewat er i ng

1. 1. 4 Ear t hwor k

1. 2 WORK NOT I NCLUDED I N THI S SECTI ON

1. 3 REFERENCES

1. 4 DEFI NI TI ONS

1. 4. 1 Sat i sf act or y Mat er i al s

1. 4. 1. 1 Embankment

1. 4. 1. 2 Embankment Fi l l

1. 4. 2 Unsat i sf act or y Mat er i al s

1. 4. 3 Degr ee of Compact i on

1. 4. 4 Har d/ Unyi el di ng Mat er i al s

1. 4. 5 Rock

1. 4. 6 Unst abl e Mat er i al

1. 4. 7 I ni t i al Backf i l l Mat er i al f or Ut i l i t y Tr enches

1. 4. 8 Maxi mum Dr y Densi t y

1. 4. 9 St r i ppi ng

1. 5 SYSTEM DESCRI PTI ON

1. 5. 1 Haul Roads

1. 5. 2 St ockpi l i ng f r om Appr oved Bor r ow Sour ces

1. 5. 3 Cl assi f i cat i on of Excavat i on

1. 5. 4 Bl ast i ng

1. 6 SUBMI TTALS

PART 2 PRODUCTS

2. 1 Gener al

2. 2 REQUI REMENTS FOR OFFSI TE SOI LS CHEMI CAL TESTI NG

2. 3 EMBANKMENT FI LL

2. 4 FI LTER SAND

2. 5 DRAI N GRAVEL

2. 6 AGGREGATE BASE COURSE

2. 7 TOPSOI L

2. 8 COMPACTI ON EQUI PMENT

2. 9 DEWATERI NG SYSTEM

2. 9. 1 GENERAL

2. 9. 2 OBSERVATI ON WELLS

2. 10 BURI ED WARNI NG AND I DENTI FI CATI ON TAPE FOR UTI LI TY TRENCHES

2. 10. 1 War ni ng Tape f or Met al l i c Pi pi ng

2. 10. 2 Det ect abl e War ni ng Tape f or Non- Met al l i c Pi pi ng

2. 11 DETECTI ON WI RE FOR NON- METALLI C PI PI NG I N UTI LI TY TRENCHES

2. 12 MATERI AL FOR RI P- RAP

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PART 3 EXECUTI ON

3. 1 GENERAL EXCAVATI ON

3. 1. 1 Exi st i ng Embankment s and Foundat i on Excavat i ons

3. 1. 1. 1 Gener al Excavat i on Requi r ement s

3. 1. 1. 2 Di sposal of Excavat ed Mat er i al

3. 1. 1. 3 Excavat ed Mat er i al Sui t abl e f or Fi l l

3. 1. 1. 4 Pr epar at i on of Foundat i on and Par t i al Fi l l Sur f aces

3. 1. 2 Foundat i on I nspect i on

3. 1. 2. 1 Foundat i on Condi t i on Eval uat i on

3. 1. 3 Excavat i on and Foundat i on Mappi ng

3. 1. 4 Di t ches, Gut t er s, and Channel Changes

3. 1. 5 Dr ai nage St r uct ur es

3. 1. 6 Dr ai nage

3. 1. 7 Dewat er i ng

3. 1. 8 Dewat er i ng f or Dam Foundat i on and Concr et e St r uct ur es

3. 1. 8. 1 Gener al

3. 1. 8. 2 I nst al l at i on and Oper at i on

3. 1. 8. 3 Dewat er i ng Syst em Removal

3. 1. 9 Tr ench Excavat i on Requi r ement s

3. 1. 9. 1 Bot t om Pr epar at i on

3. 1. 9. 2 Removal of Unyi el di ng Mat er i al

3. 1. 9. 3 Removal of Unst abl e Mat er i al

3. 1. 9. 4 Excavat i on f or Appur t enances

3. 1. 10 Under gr ound Ut i l i t i es

3. 1. 11 St r uct ur al Excavat i on

3. 2 OPENI NG AND DRAI NAGE OF EXCAVATI ON

3. 3 ONSI TE BORROW AREAS

3. 4 SHORI NG

3. 4. 1 Gener al Requi r ement s

3. 5 GRADI NG AREAS

3. 6 STOCKPI LE AREAS

3. 7 FI NAL GRADE OF SURFACES TO SUPPORT CONCRETE

3. 8 GROUND SURFACE PREPARATI ON

3. 8. 1 Gener al Requi r ement s

3. 8. 2 Foundat i on / Subgr ade Compact i on

3. 8. 3 Fr ozen Mat er i al

3. 9 UTI LI ZATI ON OF EXCAVATED MATERI ALS

3. 10 BURI ED TAPE AND DETECTI ON WI RE

3. 10. 1 Bur i ed War ni ng and I dent i f i cat i on Tape

3. 10. 2 Bur i ed Det ect i on Wi r e

3. 11 BACKFI LLI NG AND COMPACTI ON FOR STRUCTURES

3. 11. 1 Tr ench Backf i l l

3. 11. 1. 1 Repl acement of Unyi el di ng Mat er i al

3. 11. 1. 2 Repl acement of Unst abl e Mat er i al

3. 11. 1. 3 Beddi ng and I ni t i al Backf i l l

3. 11. 1. 3. 1 Cl ass I

3. 11. 1. 3. 2 Cl ass I I

3. 11. 1. 3. 3 Sand

3. 11. 1. 3. 4 Gr avel and Cr ushed St one

3. 11. 1. 4 Fi nal Backf i l l

3. 11. 1. 4. 1 Roadways

3. 11. 1. 4. 2 Si dewal ks, Tur f ed or Seeded Ar eas and Mi scel l aneous

Areas

3. 11. 2 Backf i l l f or Appur t enances

3. 12 SPECI AL REQUI REMENTS

3. 12. 1 El ect r i cal Di st r i but i on Syst em

3. 12. 2 Ri p- Rap Const r uct i on

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3. 12. 2. 1 Beddi ng Pl acement

3. 12. 2. 2 St one Pl acement

3. 13 EMBANKMENTS

3. 13. 1 Conduct of Wor k

3. 13. 2 Ear t h Embankment s

3. 13. 2. 1 Dam Embankment - Gener al

3. 13. 2. 2 COFFERDAM FI LL PLACEMENT I N I NUNDATED AREAS

3. 13. 2. 3 Dam Embankment - Subgr ade Pr epar at i on

3. 13. 2. 4 Dam Embankment - Fi l t er Sand and Dr ai n Gr avel Pl acement

3. 13. 2. 5 Dam Embankment - Pl aci ng Cor eand Shel l Embankment Fi l l

3. 13. 2. 6 Dam Embankment s - Tol er ances

3. 13. 2. 7 Base Aggr egat e Compact i on

3. 14 SUBGRADE PREPARATI ON

3. 14. 1 Compact i on

3. 14. 1. 1 Subgr ade f or Pavement s

3. 14. 1. 2 Subgr ade f or Shoul der s

3. 15 SHOULDER CONSTRUCTI ON

3. 16 FI NI SHI NG

3. 16. 1 Subgr ade and Embankment s

3. 16. 2 Gr adi ng Ar ound St r uct ur es

3. 17 Pl aci ng Topsoi l

3. 18 FI ELD QUALI TY CONTROL

3. 18. 1 Fi l l and Backf i l l Mat er i al Gr adat i on

3. 18. 2 I n- Pl ace Densi t i es

3. 18. 3 Moi st ur e Cont ent s Fr equency

3. 18. 4 Opt i mum Moi st ur e and Labor at or y Maxi mum Densi t y

3. 18. 5 Tol er ance Test s f or Subgr ades

3. 18. 6 Dam Embankment - Fi el d Qual i t y Cont r ol

3. 19 DI SPOSI TI ON OF SURPLUS MATERI AL

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SECTI ON 31 00 00

EARTHWORK

08/08

PART 1 GENERAL

1. 1 SECTI ON I NCLUDES

1. 1. 1 St r i ppi ng and St ockpi l i ng Topsoi l

A. Removi ng gr ass, weeds, and t opsoi l wi t hi n t he l i mi t s of s i t e di st ur bance as shown on t he Dr awi ngs.

B. St ockpi l i ng t opsoi l i n t he st agi ng and st ockpi l e ar eas shown on t he Dr awi ngs.

C. St ockpi l i ng t opsoi l i n t he bor r ow ar eas shown on t he Dr awi ngs.

1. 1. 2 Excavation

Requi r ed s i t e excavat i ons as shown on t he Dr awi ngs.

1. 1. 3 Dewatering

A. Desi gn, i nst al l , oper at e and mai nt ai n t he dewat er i ng syst em and al l i t s component s t o ef f ect i vel y cont r ol , col l ect , and di spose of gr oundwat er or sur f ace wat er t o per mi t saf e and pr oper compl et i on of t he Wor k. Use appr opr i at e equi pment and met hods f or dewat er i ng based on exi st i ng s i t e condi t i ons.

B. Pr ovi di ng obser vat i on wel l s t o ver i f y sat i sf act or y per f or mance of t he dewat er i ng syst em.

C. Mai nt ai ni ng t he f oundat i ons and ot her por t i ons of t he Wor k f r ee f r om wat er as r equi r ed f or const r uct i ng each par t of t he Wor k.

D. Compl yi ng wi t h al l appl i cabl e f eder al , st at e and l ocal envi r onment al pr ot ect i on l aws and r equi r ement s i n oper at i on of t he dewat er i ng syst em.

E. Removi ng al l component s of t he dewat er i ng syst em af t er i t i s no l onger r equi r ed.

1. 1. 4 Earthwork

Fur ni shi ng, pl aci ng, and compact i ng f i l l mat er i al s .

1. 2 WORK NOT I NCLUDED I N THI S SECTI ON

Wor k associ at ed wi t h c l ear i ng and gr ubbi ng shal l be per f or med i n accor dance wi t h Sect i on Sect i on 31 11 00 CLEARI NG AND GRUBBI NG.

1. 3 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.

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AMERI CAN WATER WORKS ASSOCI ATI ON ( AWWA)

AWWA C600 ( 2010) I nst al l at i on of Duct i l e- I r on Wat er Mai ns and Thei r Appur t enances

ASTM I NTERNATI ONAL ( ASTM)

ASTM D1140 ( 2014) Amount of Mat er i al i n Soi l s Fi ner t han t he No. 200 ( 75- mi cr omet er ) Si eve

ASTM D1556/ D1556M ( 2015; E 2016) Densi t y and Uni t Wei ght of Soi l i n Pl ace by Sand- Cone Met hod

ASTM D2216 ( 2010) Labor at or y Det er mi nat i on of Wat er ( Moi st ur e) Cont ent of Soi l and Rock by Mass

ASTM D2487 ( 2011) Soi l s f or Engi neer i ng Pur poses ( Uni f i ed Soi l Cl assi f i cat i on Syst em)

ASTM D4318 ( 2010; E 2014) Li qui d Li mi t , Pl ast i c Li mi t , and Pl ast i c i t y I ndex of Soi l s

ASTM D6913 ( Re 2009) Par t i c l e Si ze Di st r i but i on of Soi l s Usi ng Si eve Anal ysi s

ASTM D6938 ( 2015) I n- Pl ace Densi t y and Wat er Cont ent of Soi l and Soi l - Aggr egat e by Nucl ear Met hods ( Shal l ow Dept h)

ASTM D698 ( 2012; E 2014; E 2015) Labor at or y Compact i on Char act er i st i cs of Soi l Usi ng St andar d Ef f or t ( 12, 400 f t - l bf / cu. f t .

( 600 kN- m/ cu. m. ) )

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1. 4 DEFINITIONS

1. 4. 1 Sat i sf act or y Mat er i al s

1. 4. 1. 1 Embankment

The t er m " embankment " as used i n t hese speci f i cat i ons r ef er s t o t he ear t h f i l l por t i on of t he pr oj ect t hat i ncl udes t he r econst r uct ed por t i ons of Semmes Lake Dam and t he ear t hwor k associ at ed wi t h t he const r uct i on of t he spi l l ways and appur t enant f eat ur es, as i ndi cat ed i n t he pl ans.

1. 4. 1. 2 Embankment Fi l l

a. The soi l s f or use as embankment f i l l shal l be obt ai ned f r om t he exi st i ng embankment , t he on- s i t e Nor t her n Bor r ow Ar ea i ndi cat ed on t he pr oj ect pl ans or f r om ot her appr oved bor r ow sour ces. Based on avai l abl e i nf or mat i on, t her e i s a hi gh pr obabi l i t y t hat t he soi l s cont ai ned i n t he Nor t her n Bor r ow Ar ea wi l l gener al l y meet , or coul d be pr ocessed t o meet , t he c l assi f i cat i on descr i bed bel ow. I t i s t he r esponsi bi l i t y of t he cont r act or t o ver i f y, t est , pr ocess, and/ or separ at e t he sat i sf act or y mat er i al . These mat er i al s ar e sensi t i ve t o var i at i ons i n moi st ur e cont ent and wi l l hol d excess moi st ur e, maki ng t hem

SECTI ON 31 00 00 Page 5 di f f i cul t t o handl e and compact . As a r esul t , measur es shal l be t aken dur i ng pr ocessi ng, handl i ng, st or age, pl acement and compact i on t o account f or t hi s moi st ur e cont ent of t he mat er i al bei ng used.

* * * AMENDMENT 0003* * *

b. Core: Cl assi f i cat i on of soi l s shal l be i n accor dance wi t h ASTM D2487, St andar d Test Met hods f or Par t i c l e- Si ze Di st r i but i on of Soi l s Usi ng Si eve Anal ysi s. Cor e mat er i al s shal l be CL or SC wi t h a f i nes cont ent gr eat er t han 25%. The cor e must have a pl ast i c i t y i ndex ( PI ) of 8 or gr eat er based on Satisfactory mat er i al s ar e def i ned as GW, GP, GM, GC, SP, SW, SW- SM, SW- SC, SP- SM, SP- SC, SC, CH, and CL f or t he shel l ASTM D4318 St andar d Test Met hods f or Li qui d Li mi t , Pl ast i c Li mi t , and Pl ast i c i t y I ndex of Soi l s. Cor e mat er i al shal l not cont ai n par t i c l e s i zes gr eat er t han 3 i nches i n any di r ect i on. Gr avel cont ent ( par t i c l es gr eat er t han t he No. 4 s i eve) shal l not exceed 35% by wei ght . Cor e mat er i al shal l be f r ee f r om cont ami nat i on f r om hazar dous, t oxi c, or r adi ol ogi cal subst ances, t r ash, and debr i s of any k i nd. These mat er i al s ar e sensi t i ve t o var i at i ons i n moi st ur e cont ent and wi l l hol d excess moi st ur e, maki ng t hem di f f i cul t t o handl e and compact .

Speci al measur es shal l be t aken dur i ng pr ocessi ng, handl i ng, st or age, pl acement abd compact i on. , and CL and SC f or t he i mper vi ous cor e. The shel l mat er i al shoul d be a wel l gr aded bl end of mat er i al s, wi t h a maxi mum mat er i al s i ze of t hr ee i nches. Bot h t he c l ayey sand ( SC) and l ean c l ay ( CL) f or t he i mper vi ous cor e must have a pl ast i c i t y i ndex ( PI ) of 8 and gr eat er based on ASTM D4318, St andar d Test Met hods f or Li qui d Li mi t , Pl ast i c Li mi t , and Pl ast i c i t y I ndex of Soi l s. The cl ayey sand ( SC) mat er i al ut i l i zed f or t he i mper vi ous cor e must have a f i nes cont ent gr eat er t han 25%. Poor l y- gr aded sand ( SP) shal l be ut i l i zed f or t he chi mney, bl anket , and t oe dr ai n. These mat er i al s ar e sensi t i ve t o var i at i ons i n moi st ur e cont ent and wi l l hol d excess moi st ur e, maki ng t hem di f f i cul t t o handl e and compact . Speci al measur es shal l be t aken dur i ng pr ocessi ng, handl i ng, st or age, pl acement and compaction.

c. Shel l : Cl assi f i cat i on of soi l s shal l be i n accor dance wi t h ASTM D2487, St andar d Test Met hods f or Par t i c l e- Si ze Di st r i but i on of Soi l s Usi ng Si eve Anal ysi s. Shel l mat er i al s shal l be GW, GP, GM, GC, SP, SW, SW- SM, SW- SC, SP- SM, SP- SC, SC, CH, AND CL. The shel l mat er i al shal l be a wel l gr aded bl end of mat er i al s, wi t h a maxi mum par t i c l e s i ze of 3 i nches. Gr avel cont ent ( par t i c l es gr eat er t han t he No. 4 s i eve) shal l not exceed 35% by wei ght .

Shel l mat er i al shal l be f r ee f r om cont ami nat i on f r om hazar dous, t oxi c, or r adi ol ogi cal subst ances, t r ash, and debr i s of any k i nd.

c. Embankment f i l l shal l not cont ai n par t i c l e s i zes gr eat er t han 3 i nches i n any di r ect i on. Gr avel cont ent ( par t i c l es gr eat er t han t he No. 4 s i eve) shal l not exceed 35% by wei ght . Embankment Fi l l shal l be f r ee f r om cont ami nat i on f r om hazar dous, t oxi c, or r adi ol ogi cal subst ances, t r ash and debr i s of any k i nd.

d. Unsat i sf act or y mat er i al s ar e def i ned i n par agr aph UNSATI SFACTORY MATERI ALS FOR EMBANMENT FI LL below.

* * * AMENDMENT 0003* * *

e. Not e - r equi r ement s f or mat er i al s desi gnat ed as f i l t er sand

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Highlight and dr ai n gr avel ar e i ncl uded i n Sect i on 35 42 35 FI LTER MATERI AL.

* * * AMENDMENT 0001* * *

1. 4. 2 Unsat i sf act or y Mat er i al s

Mat er i al s c l assi f i ed by ASTM D2487 as OL, OH, ML, MH, and Pt ar e consi der ed unsat i sf act or y f or t he ear t hen embankment . Cobbl es, debr i s, and veget at i ve mat t er ar e consi der ed unsat i sf act or y. Unsat i sf act or y mat er i al s al so i ncl ude man- made f i l l s , t r ash, r ef use, sedi ment , and mat er i al c l assi f i ed as sat i sf act or y whi ch cont ai ns mor e t han t he l i mi t i ng per cent ages of r oot s and ot her or gani c mat t er di scussed above and as det er mi ned by ASTM D2974.

Not i f y t he Cont r act i ng Of f i cer when encount er i ng any cont ami nat ed mat er i al s. Fi nal det er mi nat i on of compl i ance and use of unsat i sf act or y mat er i al s shal l be at t he di r ect i on of t he Cont r act i ng Of f i cer .

* * * AMENDMENT 0003* * *

1. 4. 3 Degr ee of Compact i on

Semmes Lake Dam ear t hen embankment f i l l shal l be compact ed t o 95% of t he l abor at or y maxi mum dr y densi t y f or t he out er shel l , i mper vi ous cor e. The chi mney, bl anket , and t oe dr ai n shal l be compact ed t o 9295% of t he l abor at or y maxi mum dr y densi t y. The l abor at or y maxi mum dr y densi t y shal l be det er mi ned i n accor dance wi t h ASTM D698, St andar d Test Met hods f or Labor at or y Compact i on Char act er i s t i cs of Soi l Usi ng St andar d Ef f or t f or t he shel l , i mper vi ous cor e, and f oundat i on. The l abor at or y maxi mum dr y densi t y shal l be det er mi ned i n accor dance wi t h ASTM D7382 f or t he chi mney, bl anket , and t oe dr ai ns. Suf f i c i ent t est i ng shal l be per f or med f or each t ype of mat er i al t o det er mi ne t he opt i mum moi st ur e and l abor at or y maxi mum densi t y val ues. Spr eadi ng or di sci ng may be r equi r ed t o dr y t he mat er i al suf f i c i ent l y so t hat pr oper compact i on i s achi eved. Compact i on shal l be accompl i shed by sheepsf oot r ol l er s, pneumat i c- t i r ed r ol l er s, st eel - wheel ed r ol l er s, v i br at or y compact or s, or ot her appr oved equi pment sui t abl e f or t he soi l t ype. The mi ni mum wei ght of t he r ol l er shal l not be l ess t han 3, 000 pounds per l i near f oot of dr um.

* * * AMENDMENT 0003* * *

1. 4. 4 Har d/ Unyi el di ng Mat er i al s

Har d/ Unyi el di ng mat er i al s compr i se weat her ed r ock, dense consol i dat ed deposi t s, or congl omer at e mat er i al s whi ch ar e not i ncl uded i n t he def i ni t i on of " r ock" wi t h st ones gr eat er t han 3 i nch i n any di mensi on or as def i ned by t he pi pe manuf act ur er , whi chever i s smal l er . These mat er i al s usual l y r equi r e t he use of heavy excavat i on equi pment , r i pper t eet h, or j ack hammer s f or r emoval .

1. 4. 5 Rock

Sol i d homogeneous i nt er l ocki ng cr yst al l i ne mat er i al wi t h f i r ml y cement ed, l ami nat ed, or f ol i at ed masses or congl omer at e deposi t s, nei t her of whi ch can be r emoved wi t hout syst emat i c dr i l l i ng and bl ast i ng, dr i l l i ng and t he use of expansi on j acks or f eat her wedges, or t he use of backhoe- mount ed pneumat i c hol e puncher s or r ock br eaker s; al so l ar ge boul der s, bur i ed masonr y, or concr et e ot her t han pavement exceedi ng 1/ 2 cubi c yar d i n vol ume.

1. 4. 6 Unst abl e Mat er i al

Unst abl e mat er i al s ar e t hose t hat ar e t oo wet t o pr oper l y suppor t t he

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Highlight ut i l i t y pi pe, condui t , or appur t enant st r uct ur e.

1. 4. 7 I ni t i al Backf i l l Mat er i al f or Ut i l i t y Tr enches

I ni t i al backf i l l consi st s of sel ect gr anul ar mat er i al or sat i sf act or y mat er i al s f r ee f r om r ocks _3__ i nches or l ar ger i n any di mensi on or f r ee f r om r ocks of such s i ze as r ecommended by t he pi pe manuf act ur er , whi chever i s smal l er . When t he pi pe i s coat ed or wr apped f or cor r osi on pr ot ect i on, f r ee t he i ni t i al backf i l l mat er i al of st ones l ar ger t han _2_ i nches i n any di mensi on or as r ecommended by t he pi pe manuf act ur er , whi chever i s smal l er .

1. 4. 8 Maxi mum Dr y Densi t y

The maxi mum dr y densi t y i s expr essed as t he maxi mum dr y densi t y obt ai ned when t he soi l i s compact ed i n accor dance wi t h ASTM D698, abbr evi at ed as l abor at or y maxi mum dr y densi t y.

1. 4. 9 Stripping

St r i ppi ng consi st s of t he r emoval and sat i sf act or y di sposal of cr ops, weeds, gr ass, and ot her veget at i ve mat er i al s t o t he gr ound sur f ace and t opsoi l t o a dept h of at l east 4 i nches.

1. 5 SYSTEM DESCRI PTI ON

Subsur f ace soi l bor i ng l ogs f r om SPT bor i ngs ar e i n Appendi x A and l ab dat a ar e l ocat ed i n Appendi x B. These dat a r epr esent subsur f ace i nf or mat i on avai l abl e; however , var i at i ons may exi st i n t he subsur f ace bet ween bor i ng locations.

1. 5. 1 Haul Roads

Haul r oads shal l be l ocat ed wher e shown on t he pl ans. They shal l be desi gned t o mai nt ai n t he i nt ended t r af f i c , t o be f r ee dr ai ni ng and shal l be mai nt ai ned i n good condi t i on t hr oughout t he cont r act per i od. Wher e appl i cabl e, haul r oads wi t hi n t he ar ea of cont act bet ween t he embankment and i t s f oundat i on and abut ment s shal l be r emoved and t he ar ea shal l be t r eat ed as speci f i ed i n par agr aph DAM EMBANKMENT - SUBGRADE PREPARATI ON.

1. 5. 2 St ockpi l i ng f r om Appr oved Bor r ow Sour ces

When t he excavat i on f r om appr oved bor r ow sour ces pr ogr esses at a f ast er r at e t han pl acement i n t he f i l l i s bei ng accompl i shed, such excavat ed mat er i al shal l be st ockpi l ed at appr oved l ocat i ons adj acent t o t he wor k unt i l i t s use i s aut hor i zed. Tempor ar y st ockpi l e ar eas have been i dent i f i ed on t he dr awi ngs. No payment wi l l be made f or such st ockpi l i ng nor f or t he r el oadi ng and haul i ng of t hi s mat er i al t o i t s f i nal posi t i on i n t he embankment .

1. 5. 3 Cl assi f i cat i on of Excavat i on

No consi der at i on wi l l be gi ven t o t he nat ur e of t he mat er i al s, and al l excavat i on wi l l be desi gnat ed as uncl assi f i ed excavat i on.

1. 5. 4 Blasting

Bl ast i ng wi l l not be per mi t t ed.

SECTI ON 31 00 00 Page 8

1. 6 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- 01 Pr econst r uct i on Submi t t al s

Pr of essi onal Geot echni cal Engi neer ; G

The Cont r act or shal l hi r e a Pr of essi onal Geot echni cal Engi neer , l i censed i n Sout h Car ol i na, t o pr ovi de i nspect i on of excavat i ons and soi l / gr oundwat er condi t i ons t hr oughout const r uct i on. The Cont r act or shal l demonst r at e v i a a r esume and r ef er ences, as needed, t hat t he Geot echni cal Engi neer meet s t he qual i f i cat i ons r equi r ed her ei n. The Geot echni cal Engi neer shal l have a mi ni mum of 5 year s of exper i ence i n i nspect i on of dewat er i ng syst ems and obser vat i ons of ear t hwor k const r uct i on and at l east 5 pr oj ect s.

The Geot echni cal Engi neer i s r esponsi bl e f or per f or mi ng pr e- const r uct i on and per i odi c s i t e v i s i t s t hr oughout const r uct i on t o assess s i t e condi t i ons. The Geot echni cal Engi neer i s r esponsi bl e f or pr epar i ng and updat i ng t he excavat i on, sheet i ng, and dewat er i ng pl ans as const r uct i on pr ogr esses t o r ef l ect any changi ng condi t i ons and submi t an updat ed pl an i f necessar y.

Submi t a mont hl y wr i t t en r epor t , i nf or mi ng t he Cont r act or and Cont r act i ng Of f i cer of t he st at us of t he pl an and an account i ng of t he Cont r act or ' s adher ence t o t he pl an addr essi ng any pr esent or pot ent i al pr obl ems. The Cont r act i ng Of f i cer and t he USACE Lead Geot echni cal Engi neer or Lead Geot echni cal Engi neer ' s Repr esent at i ve r eser ve t he r i ght t o r equest and shal l be gr ant ed meet i ngs wi t h t he Geot echni cal Engi neer at any t i me t hr oughout t he cont r act dur at i on.

The Cont r act or shal l submi t t he qual i f i cat i ons and r esume f or t he Pr of essi onal Geot echni cal Engi neer , f or t he appr oval by t he Cont r act i ng Of f i cer , at t he t i me of t he NTP.

Shoring ; G

Submi t a det ai l ed shor i ng, sheet i ng and br aci ng pl an 30 days pr i or t o t he begi nni ng of i nst al l at i on of such f eat ur es or any excavat i on so suppor t ed, whi chever occur s f i r st . The pl an f or shor i ng, sheet i ng and br aci ng shal l be pr epar ed and cer t i f i ed by a Sout h Car ol i na l i censed pr of essi onal engi neer . I nc l ude i n t he pl an dr awi ngs and desi gn comput at i ons of t he pr oposed shor i ng, sheet i ng, and br aci ng, and document at i on, showi ng det ai l s of t he coor di nat i on and appr oval of shor i ng, sheet i ng, and br aci ng by t he appl i cabl e par t i es. Appr oval of t he det ai l ed pl an shal l be obt ai ned f r om t he Cont r act i ng Of f i cer pr i or t o st ar t i ng t he wor k.

I f necessar y, modi f y t he pl an as r equi r ed t o meet f i el d condi t i ons, and t he modi f i cat i ons shal l be appr oved pr i or t o use.

Dewat er i ng Wor k Pl an; G

Submi t a Dewat er i ng Pl an pr epar ed by a qual i f i ed dewat er i ng

SECTI ON 31 00 00 Page 9 speci al i s t , wi t h at l east 10 year s of exper i ence i n desi gn, i nst al l at i on, and oper at i on of dewat er i ng syst ems f or s i mi l ar pr oj ect s. The Dewat er i ng Pl an shal l be pr epar ed by a Pr of essi onal Engi neer r egi st er ed i n t he St at e of Sout h Car ol i na and shal l i ncl ude, at a mi ni mum, t he i t ems l i s t ed bel ow. The wor k pl an shal l det ai l how sur f ace and gr oundwat er wi l l be cont r ol l ed dur i ng const r uct i on and shal l be submi t t ed 30 cal endar days af t er NTP.

1. Qual i f i cat i ons of t he desi gn pr of essi onal ( s) r esponsi bl e f or desi gn and oper at i on of t he dewat er i ng syst em and saf et y i nspect i on pr ocedur es. The dewat er i ng pl ans and cal cul at i ons f or t he dewat er i ng syst em shal l be s i gned and seal ed by a r egi st er ed pr of essi onal engi neer l i censed i n t he St at e of Sout h Car ol i na.

2. Det ai l s r egar di ng t he ant i c i pat ed t ypes and l ocat i ons of var i ous dewat er i ng f aci l i t i es, pr oposed number and l ocat i ons of obser vat i on wel l s and desi gn cal cul at i ons ( i . e. ar ea of i nf l uence of dewat er i ng, dept h of dewat er i ng, pumpage r at es and st abi l i t y of syst em) r equi r ed t o subst ant i at e t he Dewat er i ng Pl an.

3. Super i nt endence pl an and schedul e, i ndi cat i ng who wi l l be r esponsi bl e f or moni t or i ng t he dewat er i ng syst em and t he pr oposed schedul e descr i bi ng when per sonnel wi l l be on s i t e t o obser ve and mai nt ai n t he syst em.

4. Pr oposed l ocat i ons, dept hs, and const r uct i on det ai l s of obser vat i on wel l s. Dat a f r om t hese wel l s shal l be used as appr opr i at e, al ong wi t h ot her avai l abl e i nf or mat i on, t o modi f y dewat er i ng r equi r ement s.

5. Coor di nat i on wi t h ot her wor k i ncl udi ng sequence of const r uct i on, schedul e, dewat er i ng and di ver si on met hods and oper at i ons, er osi on and sedi ment cont r ol measur es, equi pment , l ocat i on and el evat i on of pumps, pi pes, sumps, cont ai nment ber ms and any ot her f eat ur es pl anned f or use i n t he dewat er i ng pl an.

6. Cl ear r ecommendat i ons f or dewat er i ng.

7. Cont r act or shal l not pur chase, r ent , i nst al l or mobi l i ze t o t he s i t e any el ement s of t he dewat er i ng syst em bef or e appr oval of t he dewat er i ng submi t t al . Doi ng ot her wi se, t he Cont r act or does so at i t s own r i sk and wi l l not be due any addi t i onal compensat i on f r om t he Gover nment i f such el ement s ar e not subsequent l y appr oved or used f or t he wor k.

8. I nst al l at i on met hods; descr i pt i on and l ayout of t he onsi t e wat er det ent i on syst em; l ocat i on of t he pr oposed di schar ge poi nt ( s) , di schar ge r at es, and t he associ at ed wat er qual i t y moni t or i ng l ocat i ons;

and r e- wat er i ng pr ocedur es. The l ocat i on and t ype of t ur bi di t y cont r ol devi ces and met hods necessar y t o ensur e St at e Wat er Qual i t y wi l l be met .

9. An oper at i onal pl an, whi ch demonst r at es t hat t he di schar ge t o t he r ecei v i ng wat er body meet s al l appl i cabl e St at e Wat er Qual i t y st andar ds pr i or t o di schar ge, and al so cont ai ns t he pr oposed sampl i ng l ocat i ons and dai l y t ur bi di t y measur ement s.

10. Appr oval of t he dewat er i ng syst em pr oposed by t he Cont r act or wi l l onl y be wi t h r espect t o t he basi c pr i nci pl es of t he met hods t he Cont r act or i nt ends t o empl oy. Appr oval does not r el i eve t he Cont r act or of f ul l r esponsi bi l i t y f or adequacy ( e. g. ef f ect i ve oper at i on and mai nt enance) of t he dewat er i ng syst em.

Ear t hwor k Pl an; G, DO

The Ear t hwor k Pl an may be combi ned wi t h t he Excavat i on Pl an. The ear t hwor k pl an shal l be submi t t ed at l east 30 days i n advance of t he st ar t of ear t hwor k. The ear t hwor k const r uct i on pl an shal l be appr oved by t he Cont r act i ng Of f i cer pr i or t o any ear t hwor k

SECTI ON 31 00 00 Page 10 act i v i t i es. I nc l ude al l t he f ol l owi ng i n t he ear t hwor k const r uct i on pl an:

1. Pr oposed schedul e.

2. Pr oposed bor r ow sour ce( s) f or of f s i t e mat er i al s and pr oposed met hod( s) of sampl i ng on- si t e and of f s i t e sour ce( s) f or accept ance.

3. Pr oposed soi l excavat i on, t r anspor t , pr ocessi ng, sor t i ng/ scr eeni ng, pl acement , compact i on, and moi st ur e cont r ol equi pment , i ncl udi ng equi pment cat al og wi t h wei ght , di mensi ons, and oper at i ng dat a.

4. Pr oposed equi pment and met hods f or r emovi ng embankment mat er i al f r om r equi r ed excavat i ons.

5. Pr oposed equi pment and met hods f or r emovi ng f oundat i on mat er i al f r om r equi r ed excavat i ons.

6. Pr oposed pl an and sequenci ng f or excavat i on i nc l udi ng t he ext ent and quant i t y of excavat i on, and an excavat i on schedul e.

7. Pr oposed excavat i on, st ockpi l i ng, and st agi ng pl an descr i bi ng handl i ng and t r anspor t of on- si t e and of f - s i t e mat er i al s i ncl udi ng pr oposed haul r out es.

8. Pr oposed pl an t o obt ai n, convey, and st or e const r uct i on wat er , i ncl udi ng pr oposed wat er sour ce.

9. Pr oposed met hods f or pr ocessi ng i ncl udi ng means and met hods of moi st ur e condi t i oni ng i n advance of excavat i on and af t er pl acement .

Use of pot abl e wat er shal l be coor di nat ed wi t h t he I nst al l at i on' s ut i l i t y pr ovi der Pal met t o St at e Ut i l i t y Ser vi ce ( PSUS) .

10. Pr oposed met hod of pr ot ect i ng Wor k, t o i ncl ude t empor ar y dewat er i ng, dr ai nage, moi st ur e condi t i oni ng, and f r ost pr ot ect i on measures.

11. Pr oposed pl acement pl an f or f i l t er sand and ot her dr ai n mat er i al s t hat l i mi t s wast e of t hese mat er i al s. I ncl ude pr oposed equi pment , and met hods pr oposed f or t empor ar y st ockpi l i ng, haul i ng, spr eadi ng, pl aci ng, and compact i ng t he gr anul ar dr ai n mat er i al s.

SD- 03 Pr oduct Dat a

Ut i l i zat i on of Excavat ed Mat er i al s; G, Pr oper t i es of mat er i al s t o be used as f i l l ( al l Fi l l t ypes l i s t ed under PRODUCTS)

SD- 04 Sampl es

Sampl es Of On- Si t e Excavat ed Mat er i al s And Of f - Si t e Mat er i al s For Cont r act i ng Of f i cer ' s QA Test i ng and Appr oval .

For i mpor t ed mat er i al , submi t sampl es and l abor at or y t est r esul t s pr i or t o shi pment of t he mat er i al t o t he s i t e.

SD- 06 Test Repor t s

Testing

Wi t hi n 24 hour s of concl usi on of physi cal t est s, submi t el ect r oni c copy ( as PDF) of t est r esul t s, i ncl udi ng cal i br at i on cur ves and r esul t s of cal i br at i on t est s. I ncl ude t he quant i t y of f i l l pl aced, as wel l as t he r ecor ds of cor r ect i ve act i ons t aken.

Bor r ow and On- Si t e Test i ng

At l east 30 days pr i or t o del i ver y of of f - s i t e mat er i al or use of

SECTI ON 31 00 00 Page 11 onsi t e mat er i al , submi t gr adat i on and moi st ur e densi t y compact i on cur ve t est r epor t s f or al l i mpor t ed ear t hwor k mat er i al s, mat er i al f r om desi gnat ed bor r ow ar eas, and on- si t e excavat ed mat er i al s sui t abl e f or use as f i l l . Any t i me t he Cont r act or changes t he sour ce and/ or st ockpi l e f r om whi ch mat er i al s ar e obt ai ned, or shoul d pr oposed mat er i al not meet r equi r ement s, addi t i onal gr adat i on and moi st ur e densi t y compact i on cur ve t est r epor t s f or t hese new sour ces shal l be r equi r ed. I ncl ude cost s f or al l t est i ng i n t he bi d pr i ce f or t he appr opr i at e mat er i al . No addi t i onal compensat i on wi l l be al l owed f or t est i ng.

Wi t hi n 24 hour s of concl usi on of physi cal t est s, submi t f i ve ( 5) copi es of t est r esul t s, i ncl udi ng cal i br at i on cur ves and r esul t s of cal i br at i on t est s el ect r oni c copy ( as PDF) of t est r esul t s, i ncl udi ng cal i br at i on cur ves and r esul t s of cal i br at i on t est s.

Measur ement of Fi l l Mat er i al ; G, DO

Submi t a copy of t he r ecor ds of each compl i ance sur vey wi t hi n 48 hour s f ol l owi ng t he sur vey.

Fi el d Densi t y and Moi st ur e Cont ent Test i ng; G, DO

Submi t mont hl y t he f i el d and l abor at or y t est s r esul t s f or al l mat er i al s pl aced. Each t r ansmi t t al shal l i ncl ude a summar y of al l densi t y cor r el at i ons f or t he j ob neat l y pr epar ed on a summar y sheet i ncl udi ng at a mi ni mum:

a. Met er ser i al number and oper at or ' s i ni t i al s

b. St andar d count f or each t est

c. Descr i pt i on of mat er i al t ype, i ncl udi ng USCS cl assi f i cat i on and color

d. Pr obe dept h

e. Moi st ur e cont ent by each t est met hod and t he devi at i on f . Wet densi t y by each t est met hod and t he devi at i on

g. Det ai l ed t est l ocat i on

h. Dat e of l ast cal i br at i on of met er , i ncl udi ng cer t i f i cat i on i . Cor r espondi ng Labor at or y Densi t y Test s ( Max. Dr y Densi t y and Opt i mum Moi st ur e) j . Whet her t est passed or f ai l ed

SD- 07 Cer t i f i cat es

Testing

Cer t i f i ed t r uckl oad wei ght bi l l s : Pr ovi de t he or i gi nal cer t i f i ed t r uckl oad wei ght bi l l s at t he t i me of del i ver y f or al l mat er i al s del i ver ed t o t he s i t e.

Nucl ear Densi t y ; G, RO

Use nucl ear densi t y t est i ng equi pment i n accor dance wi t h ASTM D6938. I n addi t i on, t he f ol l owi ng condi t i on shal l appl y:

a. Pr i or t o usi ng t he nucl ear densi t y t est i ng equi pment on t he s i t e, submi t t o t he Cont r act i ng Of f i cer a cer t i f i cat i on t hat t he oper at or has compl et ed a t r ai ni ng cour se appr oved by t he nucl ear densi t y t est i ng equi pment manuf act ur er , t he most r ecent dat a sheet f r om t he manuf act ur er ' s cal i br at i on, and a copy of t he most r ecent

SECTI ON 31 00 00 Page 12 st at i st i cal check of t he st andar d count pr eci s i on.

b. The nucl ear densi t y t est i ng equi pment shal l be capabl e of ext endi ng a pr obe a mi ni mum of 12 i nches down i nt o a hol e.

C. The nucl ear t est i ng equi pment must be cal i br at ed wi t hi n t he past 6 mont hs of use on t he s i t e.

Sur vey of Rest or ed Embankment ; G, DO

Af t er pl acement of f i l l t o r equi r ed gr ades and pr i or t o pl acement of sod and ot her sur f ace t r eat ment , per f or m a t opogr aphi c sur vey of t he r est or ed embankment . Submi t t he t opogr aphi c sur vey ( dr awi ngs) f or appr oval by t he Gover nment pr i or t o r emoval of t he cof f er dam syst em.

Foundat i on I nspect i on Checkl i st ; G, RO

Submi t a Foundat i on I nspect i on Checkl i st not i f y i ng t he Gover nment t hat t he f oundat i on i s r eady f or i nspect i on. Appr oval of t hi s checkl i st by t he Cont r act i ng Of f i cer wi l l ser ve as not i f i cat i on f r om t he Cont r act or t hat t he f oundat i on i s r eady f or mappi ng and i nspect i on. Not i f y t he Cont r act i ng Of f i cer at l east seven ( 7) days bef or e f oundat i on c l eanup wi l l be compl et ed and r eady f or i nspect i on by t he Gover nment . The checkl i st shal l i ncl ude, but i s not l i mi t ed t o t he f ol l owi ng:

a. Excavat i on bot t om and si de s l opes ar e t o t he l i nes and gr ades i ndi cat ed on t he dr awi ngs.

b. Dewat er i ng syst em i s f ul l y i nst al l ed and oper at i onal and al l dewat er i ng r equi r ement s out l i ned i n t hese speci f i cat i ons ar e met .

Sur f aces of excavat i on bot t om and si de s l opes shal l be dr y and f r ee f r om st andi ng wat er , seepage, s l oughi ng, boi l s, upl i f t or heave. Gr oundwat er moni t or i ng v i a open pi pe pi ezomet er s shal l be ongoing.

c. Tempor ar y r amps cover i ng excavat ed s i de s l opes ar e r emoved such t hat t he excavat ed s i de s l opes can be document ed and mapped.

d. Equi pment f or f oundat i on excavat i on and mappi ng ar e on s i t e and pr ovi s i ons f or equi pment oper at i ng per sonnel have been coordinated.

PART 2 PRODUCTS

2. 1 General

The or i gi n of any f i l l mat er i al i n no way det er mi nes wher e i t may be used i n t he embankment . Mat er i al s f or embankment f i l l s shal l be secur ed f r om r equi r ed excavat i ons and f r om t he bor r ow ar eas i ndi cat ed. The i nt ent i on i s t o use t he most sui t abl e mat er i al s obt ai nabl e f r om t hese sour ces. Mat er i al t o be wast ed wi l l be speci f i cal l y desi gnat ed at t he t i me t he mat er i al i s excavat ed. Mat er i al s cont ai ni ng br ush, r oot s, sod or ot her per i shabl e mat er i al s wi l l not be consi der ed sui t abl e. The sui t abi l i t y of t he mat er i al s shal l be subj ect t o appr oval and t hei r di sposi t i on i n t he embankment wi l l be as di r ect ed. Excavat e i n t he bor r ow ar eas i n t he l ocat i on det er mi ned by t he Cont r act i ng Of f i cer , whenever such cont r ol i s necessar y t o obt ai n t he t ype of mat er i al r equi r ed f or t he embankment .

Mi x i ng of mat er i al s dur i ng t he excavat i ng pr ocess at t he bor r ow ar ea may be required.

SECTI ON 31 00 00 Page 13

2. 2 REQUI REMENTS FOR OFFSI TE SOI LS CHEMI CAL TESTI NG

Test of f s i t e soi l s br ought i n f or use as backf i l l f or Tot al Pet r ol eum Hydr ocar bons ( TPH) , Benzene, Tol uene, Et hyl Benzene, and Xyl ene ( BTEX) and f ul l Toxi c i t y Char act er i st i c Leachi ng Pr ocedur e ( TCLP) i ncl udi ng i gni t abi l i t y , cor r osi v i t y and r eact i v i t y. Backf i l l shal l cont ai n a maxi mum count not exceedi ng t he l egal t hr eshol d val ue ( e. g. 100) , i n par t s per mi l l i on ( ppm) of t ot al pet r ol eum hydr ocar bons ( TPH) and a maxi mum ppm not exceedi ng t he t hr eshol d val ue ( e. g. 10) of t he sum of Benzene, Tol uene, Et hyl Benzene, and Xyl ene ( BTEX) and shal l pass t he TCPL t est . Det er mi ne TPH concent r at i ons by usi ng EPA 600/ 4- 79/ 020 Met hod 418. 1. Det er mi ne BTEX concent r at i ons by usi ng EPA SW- 846. 3- 3 Met hod 5030/ 8020. Per f or m TCLP i n accor dance wi t h EPA SW- 846. 3- 3 Met hod 1311. Pr ovi de Bor r ow Si t e Test i ng f or TPH, BTEX and TCLP f r om a composi t e sampl e of mat er i al f r om t he bor r ow si t e, wi t h at l east one t est f r om each bor r ow si t e. Do not br i ng mat er i al onsi t e unt i l t est s have been appr oved by t he Cont r act i ng Of f i cer .

2. 3 EMBANKMENT FI LL

A. Mat er i al s f r om t he desi gnat ed bor r ow sour ce t hat meet or ar e pr ocessed t o meet t he r equi r ement s of par agr aph DEFI NI TI ONS, subpar agr aph " Embankment Fi l l . "

B. The quant i t i es of mat er i al s sui t abl e f or use i n const r uct i on of embankment s obt ai ned f r om t he r equi r ed excavat i ons and t he onsi t e bor r ow ar eas wi l l be dependent upon t he Cont r act or ' s oper at i ons. The Cont r act or shal l i ndependent l y det er mi ne avai l abi l i t y and sui t abi l i t y of of f s i t e bor r ow ar eas. Wi t hi n 120 days pr i or t o t he ant i c i pat ed use of any of f - s i t e bor r ow mat er i al , t he Cont r act or shal l submi t f or r evi ew and comment a r epor t of t he i nvest i gat i ons of t he of f - s i t e sour ce or combi nat i on of sour ces f r om whi ch mat er i al s ar e pr oposed t o be f ur ni shed. The or i gi n of any f i l l mat er i al i n no way det er mi nes wher e i t may be used i n t he embankment ; t he c l assi f i cat i on of t he mat er i al , r at her t han i t s or i gi n, shal l det er mi ne i t s pl acement i n t he embankment . The Cont r act or shal l be r esponsi bl e f or sel ect i ng sui t abl e mat er i al s f r om t hose avai l abl e, and pr ocessi ng t hem as necassar y t o pr ovi de mat er i al s f or embankment whi ch wi l l meet t he speci f i ed r equi r ement s. The sui t abi l i t y of al l mat er i al s and t hei r di sposi t i on i n t he embankment shal l be subj ect t o t he appr oval of t he Cont r act i ng Of f i cer . Mat er i al s cont ai ni ng br ush, r oot s, sod or ot her or gani c mat er i al wi l l not be consi der ed sui t abl e. Mi x i ng of mat er i al s dur i ng t he excavat i ng pr ocess may be r equi r ed. No mi xi ng of mat er i al s shal l be per f or med on embankment f i l l .

C. Fi l l mat er i al s shal l be t est ed by t he Cont r act or and appr oved by t he COR bef or e use.

D. A l i s t of r…