31 00 00.pdf

P- 990 ABANDONED PI PE REMOVAL 7477134

SECTI ON 31 00 00

EARTHWORK

08/ 23

PART 1 GENERAL

1. 1 REFERENCES

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

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

( AASHTO)

AASHTO T 180 ( 2017) St andar d Met hod of Test f or Moi st ur e- Densi t y Rel at i ons of Soi l s Usi ng a 4. 54- kg ( 10- l b) Rammer and a 457- mm ( 18- i n. ) Dr op

AMERI CAN WATER WORKS ASSOCI ATI ON ( AWWA)

AWWA C600 ( 2017) I nst al l at i on of Duct i l e- I r on Mai ns and Thei r Appur t enances

AMERI CAN WELDI NG SOCI ETY ( AWS)

AWS D1. 1/ D1. 1M ( 2020; Er r at a 1 2021) St r uct ur al Wel di ng Code - St eel

ASTM I NTERNATI ONAL ( ASTM)

ASTM C33/ C33M ( 2018) St andar d Speci f i cat i on f or Concr et e Aggr egat es

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

ASTM C136/ C136M ( 2019) St andar d Test Met hod f or Si eve Anal ysi s of Fi ne and Coar se Aggr egat es

ASTM C150/ C150M ( 2022) St andar d Speci f i cat i on f or Por t l and Cement

ASTM C260/ C260M ( 2010a; R 2016) St andar d Speci f i cat i on f or Ai r - Ent r ai ni ng Admi xt ur es f or Concr et e

ASTM C618 ( 2023; E 2023) St andar d Speci f i cat i on f or Coal Fl y Ash and Raw or Cal c i ned Nat ur al Pozzol an f or Use i n Concr et e

ASTM C989/ C989M ( 2022) St andar d Speci f i cat i on f or Sl ag Cement f or Use i n Concr et e and Mor t ar s

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

SECTI ON 31 00 00 Page 1 Revi sed 16 DEC 2025

St andar d Ef f or t ( 12, 400 f t - l bf / cu. f t .

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

ASTM D1140 ( 2017) St andar d Test Met hods f or Det er mi ni ng t he Amount of Mat er i al Fi ner t han 75- µm ( No. 200) Si eve i n Soi l s by Washi ng

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

ASTM D1557 ( 2012; E 2015) St andar d Test Met hods f or Labor at or y Compact i on Char act er i st i cs of Soi l Usi ng Modi f i ed Ef f or t ( 56, 000 f t - l bf / f t 3) ( 2700 kN- m/ m3)

ASTM D2167 ( 2015) Densi t y and Uni t Wei ght of Soi l i n Pl ace by t he Rubber Bal l oon Met hod

ASTM D2216 ( 2019) St andar d Test Met hods f or 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 D2321 ( 2020) St andar d Pr act i ce f or Under gr ound I nst al l at i on of Ther mopl ast i c Pi pe f or Sewer s and Ot her Gr avi t y- Fl ow Appl i cat i ons

ASTM D2487 ( 2017; E 2020) St andar d Pr act i ce f or Cl assi f i cat i on of 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 D2974 ( 2020; E 2020) Moi st ur e, Ash, and Or gani c Mat t er of Peat and Ot her Or gani c Soi l s

ASTM D4253 ( 2016; E 2019) St andar d Test Met hods f or Maxi mum I ndex Densi t y and Uni t Wei ght of Soi l s Usi ng a Vi br at or y Tabl e

ASTM D4254 ( 2016) St andar d Test Met hods f or Mi ni mum I ndex Densi t y and Uni t Wei ght of Soi l s and Cal cul at i on of Rel at i ve Densi t y

ASTM D4318 ( 2017; E 2018) 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

ASTM D4829 ( 2021) St andar d Test Met hod f or Expansi on I ndex of Soi l s

ASTM D4832 ( 2016; E 2018) St andar d Test Met hod f or Pr epar at i on and Test i ng of Cont r ol l ed Low St r engt h Mat er i al ( CLSM) Test Cyl i nder s

ASTM D5268 ( 2019) Topsoi l Used f or Landscapi ng Pur poses

ASTM D6023 ( 2016) St andar d Test Met hod f or Densi t y

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( Uni t Wei ght ) , Yi el d, Cement Cont ent , and Ai r Cont ent ( Gr avi met r i c) of Cont r ol l ed Low- St r engt h Mat er i al ( CLSM)

ASTM D6103/ D6103M ( 2017; E 2021) St andar d Test Met hod f or Fl ow Consi st ency of Cont r ol l ed Low St r engt h Mat er i al ( CLSM)

ASTM D6938 ( 2017a) St andar d Test Met hod f or 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 D8167/ D8167M ( 2023) St andar d Test Met hod f or I n- Pl ace Bul k Densi t y of Soi l and Soi l - Aggr egat e by a Low- Act i v i t y Nucl ear Met hod ( Shal l ow Dept h)

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

EM 385- 1- 1 ( 2024) Saf et y - - Saf et y and Occupat i onal Heal t h ( SOH) Requi r ement s

U. S. ENVI RONMENTAL PROTECTI ON AGENCY ( EPA)

EPA 600/ 4- 79/ 020 ( 1983) Met hods f or Chemi cal Anal ysi s of Wat er and Wast es

EPA SW- 846. 3- 3 ( 1999, Thi r d Edi t i on, Updat e I I I - A) Test Met hods f or Eval uat i ng Sol i d Wast e:

Physi cal / Chemi cal Met hods

U. S. GENERAL SERVI CES ADMI NI STRATI ON ( GSA)

CI D A- A- 203 ( Rev C; Not i ce 3) Paper , Kr af t , Unt r eat ed

1. 2 DEFI NI TI ONS

1. 2. 1 St r uct ur al Fi l l

Soi l mat er i al pl aced t o suppor t bui l di ngs, wal l s, pads, and ot her s i mi l ar f aci l i t i es.

1. 2. 2 Embankment Fi l l

Soi l mat er i al pl aced t o const r uct embankment .

1. 2. 3 Por ous Fi l l

Fr ee- dr ai ni ng mat er i al pl aced f or subsur f ace dr ai nage, as a capi l l ar y br eak, or anot her speci f i c pur pose.

1. 2. 4 Topsoi l

Sur f ace l ayer of pr i mar i l y or gani c soi l capabl e of suppor t i ng veget at i on gr owt h.

SECTI ON 31 00 00 Page 3

1. 2. 5 Ut i l i t y Beddi ng Mat er i al

Fi l l pl aced t o di r ect l y suppor t pi pes, condui t s, cabl es, and appur t enant st r uct ur es. Beddi ng may al so be used t o pr ovi de a cushi on bet ween ut i l i t i es and bedr ock, obst acl es, obst r uct i ons, and ot her unyi el di ng mat er i al s.

1. 2. 6 Fl owabl e Fi l l

Fi l l pl aced i n a pl ast i c or l i qui d f or m t hat f l ows t o near i t s f i nal pl acement l ocat i on wi t h l i mi t ed assi st ance and subsequent l y cur es or sol i di f i es t o pr ovi de a st abl e or i mper meabl e bar r i er .

1. 2. 7 Unsat i sf act or y Mat er i al s

Mat er i al s whi ch do not compl y wi t h t he r equi r ement s f or sat i sf act or y mat er i al s ar e 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; backf i l l s f r om pr evi ous const r uct i on; r oot s and ot her or gani c mat t er or f r ozen mat er i al . 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.

1. 2. 8 Cohesi onl ess Mat er i al s

Cohesi onl ess mat er i al s i ncl ude mat er i al s c l assi f i ed i n ASTM D2487 as GW, GP, SW, and SP. Mat er i al s c l assi f i ed as GM and SM wi l l be i dent i f i ed as cohesi onl ess onl y when t he f i nes ar e nonpl ast i c. Per f or m t est i ng, r equi r ed f or c l assi f y i ng mat er i al s, i n accor dance wi t h ASTM D4318, ASTM C117, ASTM C136/ C136M and ASTM D1140.

1. 2. 9 Cohesi ve Mat er i al s

Cohesi ve mat er i al s i ncl ude mat er i al s c l assi f i ed as GC, SC, ML, CL, MH, and CH. Mat er i al s c l assi f i ed as GM and SM wi l l be i dent i f i ed as cohesi ve onl y when t he f i nes ar e pl ast i c. Per f or m t est i ng, r equi r ed f or c l assi f y i ng mat er i al s, i n accor dance wi t h ASTM D4318, ASTM C117, ASTM C136/ C136M and

ASTM D1140.

1. 2. 10 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" . 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. 2. 11 Unst abl e Mat er i al

Unst abl e mat er i al s ar e t oo weak t o adequat el y suppor t t he ut i l i t y pi pe, condui t , equi pment , or appur t enant st r uct ur e. Sat i sf act or y mat er i al may become unst abl e due t o i nef f ect i ve dr ai nage, dewat er i ng, becomi ng f r ozen, excessi ve l oadi ng.

1. 2. 12 Expansi ve Soi l s

Expansi ve soi l s ar e def i ned as soi l s t hat have an expansi on i ndex gr eat er t han 20 when t est ed i n accor dance wi t h ASTM D4829.

1. 2. 13 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, SECTI ON 31 00 00 Page 4 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. Removal of har d mat er i al wi l l not be consi der ed r ock excavat i on because of i nt er mi t t ent dr i l l i ng and bl ast i ng t hat i s per f or med mer el y t o i ncr ease pr oduct i on.

1. 2. 14 Capi l l ar y Wat er Bar r i er

A l ayer of c l ean, poor l y gr aded cr ushed r ock, st one, or nat ur al sand or gr avel havi ng a hi gh por osi t y whi ch i s pl aced beneat h a bui l di ng s l ab wi t h or wi t hout a vapor bar r i er t o cut of f t he capi l l ar y f l ow of por e wat er t o t he ar ea i mmedi at el y bel ow a s l ab.

1. 2. 15 Degr ee of Compact i on ( Pr oct or )

Degr ee of compact i on r equi r ed, except as not ed i n t he second sent ence, i s expr essed as a per cent age of t he maxi mum densi t y obt ai ned by t he t est pr ocedur e pr esent ed i n ASTM D1557 abbr evi at ed as a per cent of l abor at or y maxi mum densi t y. Si nce ASTM D1557 appl i es onl y t o soi l s t hat have 30 per cent or l ess by wei ght of t hei r par t i c l es r et ai ned on t he 3/ 4 i nch si eve, expr ess t he degr ee of compact i on f or mat er i al havi ng mor e t han 30 per cent by wei ght of t hei r par t i c l es r et ai ned on t he 3/ 4 i nch si eve as a per cent age of t he maxi mum densi t y i n accor dance wi t h AASHTO T 180- 21 par agr aph 1. 5, Not e 1.

1. 2. 16 Degr ee of Compact i on ( Rel at i ve Densi t y)

Degr ee of compact i on r equi r ed f or soi l s wi t h l ess t han 5 per cent passi ng t he No. 200 si eve, i s expr essed as a r el at i ve per cent age of t he maxi mum i ndex densi t y/ dr y uni t wei ght and mi ni mum i ndex densi t y/ dr y uni t wei ght , obt ai ned by t he t est pr ocedur es i n accor dance wi t h ASTM D4253 and ASTM D4254, r espect i vel y, abbr evi at ed as a per cent of l abor at or y r el at i ve densi t y.

1. 2. 17 Bor r ow

Soi l br ought t o t he pr oj ect s i t e f r om an ext er nal l ocat i on f or t he pur poses of pr oj ect const r uct i on.

1. 2. 18 Subgr ade

Ear t h mat er i al s di r ect l y bel ow f oundat i ons and di r ect l y bel ow gr anul ar base mat er i al s i n bui l di ng s l ab and pavement ar eas i ncl udi ng shoul der s.

1. 3 CRI TERI A FOR BI DDI NG

Base bi ds on t he f ol l owi ng cr i t er i a:

b. Pi pes or ot her ar t i f i c i al obst r uct i ons, except t hose i ndi cat ed, wi l l not be encount er ed.

f . Har d mat er i al s wi l l not be encount er ed.

1. 4 SUBMI TTALS

Gover nment appr oval i s r equi r ed f or al l submi t t al s. Submi t t he f ol l owi ng

SECTI ON 31 00 00 Page 5 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

Excavat i on and Tr enchi ng Pl an

Pr econst r uct i on Meet i ng

Gr ound Penet r at i ng Radar Resul t s

SD- 03 Pr oduct Dat a

SD- 04 Sampl es

SD- 06 Test Repor t s

1. 5 QUALI TY CONTROL

1. 5. 1 Pr econst r uct i on Meet i ng

Conduct a pr econst r uct i on meet i ng at t he j obsi t e at l east f i ve busi ness days pr i or t o t he st ar t of ear t hwor k oper at i ons on t he pr oj ect . The pr econst r uct i on meet i ng i s t o be ar r anged by t he Cont r act or and i s t o f ol l ow t he wr i t t en agenda submi t t ed pr i or t o t he meet i ng. The pur pose of t hi s meet i ng i s t o r evi ew t he r equi r ement s of t hi s speci f i cat i on and t he associ at ed pl ans. The f ol l owi ng i ndi v i dual s must be i n at t endance at t hi s meet i ng: Pr oj ect Manager , Super i nt endent , Qual i t y Cont r ol Manager , Si t e Saf et y and Heal t h Of f i cer , and Envi r onment al Manager , and Cont r act i ng Of f i cer .

The mi nut es of t hi s meet i ng ar e t o be r ecor ded by t he Cont r act or and publ i shed vi a emai l wi t hi n 48 hour s t o al l at t endees. The mi nut es must be r e- publ i shed wi t hi n 48 hour s v i a emai l pendi ng any subsequent comment s f r om t he at t endees.

PART 2 PRODUCTS

2. 1 SOI L MATERI ALS

2. 1. 1 Topsoi l

Mat er i al sui t abl e f or t opsoi l obt ai ned f r om excavat i on i s def i ned as:

Nat ur al , f r i abl e soi l r epr esent at i ve of pr oduct i ve, wel l - dr ai ned soi l s i n t he ar ea, f r ee of subsoi l , st umps, r ocks l ar ger t han one i nch di amet er , br ush, weeds, t oxi c subst ances, and ot her mat er i al det r i ment al t o pl ant gr owt h.

2. 2 BORROW

Pr ovi de bor r ow mat er i al s f r om sour ces l ocat ed out si de of Gover nment pr oper t y meet i ng t he r equi r ement s of par agr aph TOPSOI L.

PART 3 EXECUTI ON

3. 1 PROTECTI ON

Per f or m al l wor k speci f i ed i n accor dance wi t h appl i cabl e r equi r ement s of t he Cor ps of Engi neer s publ i cat i on EM 385- 1- 1 Saf et y and Heal t h Requi r ement s Manual .

SECTI ON 31 00 00 Page 6

Use equi pment of t ype and si ze appr opr i at e f or t he s i t e condi t i ons ( soi l char act er and moi st ur e cont ent ) . Mai nt enance of exposed subgr ades and f i l l s i s t he r esponsi bi l i t y of t he Cont r act or . The Cont r act or i s r equi r ed t o pr event damage by i nef f ect i ve dr ai nage, dewat er i ng, and heavy l oads and equi pment by i mpl ement i ng pr ecaut i onar y measur es. Repai r or r epl ace any def ect s or damage.

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

Locat i on of t he exi st i ng ut i l i t i es i ndi cat ed i s appr oxi mat e. Ver i f y t he l ocat i on and el evat i on of t he exi st i ng ut i l i t i es i ndi cat ed pr i or t o st ar t i ng const r uct i on by way of Gr ound Penet r at i ng Radar . Submi t t o t he Cont r act i ng Of f i cer t he Gr ound Penet r at i ng Radar Resul t s. The Cont r act or i s r esponsi bl e f or pr ot ect i ng ut i l i t i es not not ed f or demol i shi on f r om damage dur i ng const r uct i on.

3. 1. 2 Dr ai nage and Dewat er i ng

Pr ovi de f or t he col l ect i on and di sposal of sur f ace and subsur f ace wat er encount er ed dur i ng const r uct i on.

3. 1. 2. 1 Dr ai nage

Pr ovi de f or t he col l ect i on and di sposal of sur f ace and subsur f ace wat er encount er ed dur i ng const r uct i on. Const r uct st or m dr ai nage f eat ur es ( ponds/ basi ns) at t he ear l i est st ages of s i t e devel opment , and t hr oughout const r uct i on gr ade t he const r uct i on ar ea t o pr ovi de posi t i ve sur f ace wat er r unof f away f r om t he const r uct i on act i v i t y [ and] [ or ] pr ovi de t empor ar y di t ches, swal es, and ot her dr ai nage f eat ur es and equi pment as r equi r ed t o keep soi l s f r om becomi ng unst abl e, pr event er osi on, or under mi ni ng of f oundat i ons. Remove unst abl e mat er i al f r om wor ki ng pl at f or ms f or equi pment oper at i on and soi l suppor t f or subsequent const r uct i on f eat ur es and pr ovi de new mat er i al as speci f i ed her ei n. I t i s t he r esponsi bi l i t y of t he Cont r act or t o assess t he si t e condi t i ons t o empl oy necessar y measur es t o per mi t const r uct i on t o pr oceed.

3. 1. 2. 2 Dewat er i ng

Cont r ol gr oundwat er f l owi ng t owar d or i nt o excavat i ons t o pr event s l oughi ng of excavat i on s l opes and wal l s, boi l s, upl i f t and heave i n t he excavat i on and t o el i mi nat e i nt er f er ence wi t h or der l y pr ogr ess of const r uct i on. Fr ench dr ai ns, sumps, di t ches or t r enches ar e not al l owed wi t hi n 3 f eet of t he f oundat i on of any st r uct ur e, except wi t h speci f i c wr i t t en appr oval , and af t er speci f i c cont r act ual pr ovi s i ons f or r est or at i on of t he f oundat i on ar ea have been made. Per f or m cont r ol measur es by t he t i me t he excavat i on r eaches t he wat er l evel i n or der t o mai nt ai n t he i nt egr i t y of t he i n- s i t u mat er i al .

3. 1. 3 Pr ot ect i on of Gr aded Sur f aces

Pr ot ect newl y backf i l l ed, gr aded, and t opsoi l ed ar eas f r om t r af f i c , er osi on, and set t l ement s t hat may occur . Repai r or r eest abl i sh damaged gr ades, el evat i ons, or s l opes.

3. 2 BORROW

Sel ect bor r ow mat er i al t o meet t he r equi r ement s and condi t i ons of t he f i l l f or whi ch i t i s t o be used. Unl ess speci f i cal l y pr ovi ded, do not obt ai n

SECTI ON 31 00 00 Page 7 bor r ow wi t hi n t he l i mi t s of t he pr oj ect s i t e.

3. 2. 1 Cont r act or Fur ni shed Bor r ow Ar ea( s)

Obt ai n appr oved bor r ow mat er i al s f r om appr oved of f s i t e sour ces. I f a bor r ow sour ce i s sel ect ed t hat i s not a commer ci al ent i t y f r om whi ch soi l mat er i al i s di r ect l y pur chased, submi t a Bor r ow Pl an t hat i ncl udes t he bor r ow sour ce l ocat i on, geot echni cal t est r esul t s showi ng t he f i l l mat er i al meet s t he Cont r act r equi r ement s, envi r onment al t est r esul t s i n accor dance wi t h par agr aph ENVI RONMENTAL REQUI REMENTS FOR OFF- SI TE SOI L, and any Feder al , St at e, and l ocal per mi t s r equi r ed f or excavat i on and r ecl amat i on of t he bor r ow ar ea.

3. 2. 2 Envi r onment al Requi r ement s f or Of f - Si t e Soi l

Do not f ur ni sh or t r anspor t soi l s ont o MCAS Cher r y Poi nt or out l y i ng f i el ds when such act woul d v i ol at e t he Compr ehensi ve Envi r onment al Response Compensat i on and Li abi l i t y Act ( CERCLA) or t he Gener al St at ut es of Nor t h Car ol i na.

The Cont r act or shal l pr ovi de document at i on cer t i f y i ng t hat al l soi l f ur ni shed under t he cont r act cont ai ns no pet r ol eum or hazar dous or t oxi c mat er i al s as st at ed i n DoD I nst r uct i on 4715. 6, whi ch i mpl ement s 10 U. S. C.

2692. Thi s document at i on shal l i ncl ude t he Soi l Aut hor i zat i on For m ( SAF) showi ng t he vol ume of soi l needed, anal yt i cal t est dat a t o suppor t t he envi r onment al condi t i on of t he soi l , and a copy of t he St at e- i ssued " mi ni ng per mi t " f or t he bor r ow pi t sour ce. The MCAS Cher r y Poi nt Envi r onment al Af f ai r s Depar t ment ( EAD) wi l l r evi ew t hese document s bef or e of f - s i t e soi l i s consi der ed appr oved f or use.

The f ol l owi ng met hods shal l be used t o det er mi ne i f soi l meet s t he r equi r ement s f or of f - s i t e soi l ( RFOSS) . I f t he t ot al amount of soi l t o be br ought ont o MCAS Cher r y Poi nt f or a s i ngl e cont r act i s l ess t han 200 cubi c yar ds, t he Cont r act or shal l cer t i f y t he soi l meet s t he RFOSS by i nspect i ng f or " appar ent cont ami nat i on" as det er mi ned by v i sual or ot her i ndi cat i ons of cont ami nat i on i ncl udi ng abnor mal or unnat ur al col or , chemi cal or pet r ol eum odor s, or sat ur at i on wi t h a chemi cal or pet r ol eum.

I f t he soi l shows no appar ent cont ami nat i on, t he Cont r act or shal l pr ovi de t o EAD a si gned SAF cer t i f y i ng t he soi l cont ai ns no appar ent cont ami nat i on. Soi l showi ng appar ent cont ami nat i on shal l not be ut i l i zed aboar d MCAS Cher r y Poi nt or out l y i ng f i el ds.

I f t he t ot al amount of soi l t o be br ought aboar d MCAS Cher r y Poi nt f or a s i ngl e cont r act i s equal t o or gr eat er t han 200 cubi c yar ds, t he soi l shal l be anal yzed by a Nor t h Car ol i na cer t i f i ed l abor at or y. The l abor at or y must be cer t i f i ed by Nor t h Car ol i na i n t he speci f i c t est s t o be per f or med. Sampl i ng must be conduct ed by qual i f i ed per sonnel f ol l owi ng pr oper f i el d sampl i ng met hodol ogy and pr oper chai n- of - cust ody pr ot ocol must be f ol l owed. Ot her wi se, t he sampl i ng wi l l be consi der ed i nval i d.

Consul t wi t h t he sel ect ed l abor at or y about t he speci f i c sampl e handl i ng pr ocedur es r equi r ed by t he anal yt i cal met hods. Sampl e cont ai ner s, sampl e vol umes, and t i mef r ames di f f er dependi ng on t he anal yt i cal met hod.

Sampl i ng r equi r ement s ar e summar i zed bel ow and ar e f or a s i ngl e soi l sour ce onl y:

a. One r epr esent at i ve sampl e f or soi l vol umes of 200 cubi c yar ds t o 1, 000 cubi c yar ds needed.

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b. For soi l vol umes gr eat er t han 1, 000 cubi c yar ds, one addi t i onal r epr esent at i ve sampl e i s r equi r ed f or each addi t i onal 2, 000 cubi c yar ds or por t i on t her eof .

A r epr esent at i ve sampl e i s achi eved by col l ect i ng mul t i pl e sampl es i n a def i ned ar ea ( e. g. , soi l st ockpi l e or bor r ow pi t ) and di r ect i ng t he l abor at or y t o combi ne t hem i nt o a " composi t e sampl e" f or anal ysi s.

Thecomposi t e or r epr esent at i ve sampl e i s i nt ended t o r epr esent t he soi l sour ce as a whol e.

Sampl es shal l be col l ect ed by qual i f i ed per sonnel f ol l owi ng pr oper f i el d sampl i ng met hodol ogy. For each r epr esent at i ve sampl e, t hr ee " pr i mar y sampl es" f r om each of t wo soi l bor i ngs ( or excavat i on pi t s) shal l be obt ai ned f or a t ot al of s i x pr i mar y sampl es. The t hr ee pr i mar y sampl es col l ect ed f r om each bor i ng/ pi t shal l be obt ai ned at even i nt er val s t hr oughout t he soi l col umn ( i . e. , upper , mi ddl e, l ower ) and pl aced i nt o i ndi v i dual sampl i ng cont ai ner s. Sampl es shal l not be combi ned i n t he f i el d. The si x pr i mar y sampl es shal l be sent t o t he NC- cer t i f i ed l abor at or y wher e t hey wi l l be combi ned i nt o one " composi t e sampl e" f or anal ysi s.

Soi l sampl es shoul d be anal yzed f or t he f ol l owi ng par amet er s:

a. Gasol i ne Range Or gani cs - use St andar d Met hod 5030

b. Di esel Range Or gani cs - use St andar d Met hod 5030

c. Oi l & Gr ease - use EPA Met hod 9071 wi t h a s i l i ca gel wash

d. Tot al Met al s - use EPA 6010 ( Ar seni c, Bar i um, Cadmi um, Chr omi um, Lead, Sel eni um, and Si l ver )

e. Tot al Met al s - use EPA 7471 ( Mer cur y onl y)

The l abor at or y met hod det ect i on l i mi t s must be set bel ow t he St at e act i on l evel s or t he t est i ng wi l l be consi der ed i nval i d. Al l uni t s ar e t o be r epor t ed i n mi l l i gr ams per k i l ogr am ( mg/ kg) . I f t est r esul t s ar e gr eat er t han t he al l owed det ect i on l i mi t s f or pet r ol eum const i t uent s ( GRO, DRO, O&G) or t he st andar ds f or t he ei ght met al s ( as pr ovi ded by t he EPA) , t he soi l f r om whi ch t he sampl e was t aken shal l not be appr oved f or use.

3. 3 SURFACE PREPARATI ON

3. 3. 1 St ockpi l i ng Oper at i ons

Keep st ockpi l es i n a neat and wel l dr ai ned condi t i on, gi v i ng due consi der at i on t o dr ai nage at al l t i mes. Cl ear , gr ub, and seal by r ubber - t i r ed equi pment , t he gr ound sur f ace at st ockpi l e l ocat i ons. Do not cr eat e st ockpi l es t hat coul d obst r uct t he f l ow of any st r eam, endanger a par t l y f i ni shed st r uct ur e, i mpai r t he ef f i c i ency or appear ance of any st r uct ur e, or be det r i ment al t o t he compl et ed wor k i n any way. I f t he Cont r act or f ai l s t o pr ot ect t he st ockpi l es, and any mat er i al becomes unsat i sf act or y, r emove and r epl ace such mat er i al wi t h sat i sf act or y mat er i al f r om appr oved sour ces.

3. 4 EXCAVATI ON

Excavat e t o cont our s, el evat i on, and di mensi ons i ndi cat ed. Excavat e soi l di st ur bed or weakened by Cont r act or ' s oper at i ons, and soi l s sof t ened or

SECTI ON 31 00 00 Page 9 made unst abl e f or subsequent const r uct i on due t o exposur e t o weat her . Use mat er i al r emoved f r om excavat i ons as backf i l l . Do not excavat e bel ow i ndi cat ed dept hs except t o r emove unst abl e mat er i al as det er mi ned by t he Gover nment and conf i r med by t he Cont r act i ng Of f i cer . Remove and r epl ace excavat i ons bel ow t he gr ades shown wi t h appr opr i at e mat er i al s as di r ect ed by t he Cont r act i ng Of f i cer .

I f at any t i me dur i ng excavat i on, t he Cont r act or encount er s mat er i al t hat may be cl assi f i ed as r ock or as har d/ unyi el di ng mat er i al , uncover such mat er i al , and not i f y t he Cont r act i ng Of f i cer . Do not pr oceed wi t h t he excavat i on of t hi s mat er i al unt i l t he Cont r act i ng Of f i cer has cl assi f i ed t he mat er i al s as common excavat i on or r ock excavat i on. Fai l ur e on t he par t of t he Cont r act or t o uncover such mat er i al , not i f y t he Cont r act i ng Of f i cer , and al l ow suf f i c i ent t i me f or c l assi f i cat i on and del i neat i on of t he undi st ur bed sur f ace of such mat er i al wi l l cause t he f or f ei t ur e of t he Cont r act or ' s r i ght of c l ai m t o any cl assi f i cat i on or vol ume of mat er i al t o be pai d f or ot her t han t hat al l owed by t he Cont r act i ng Of f i cer f or t he ar eas of wor k i n whi ch such deposi t s occur . 3. 5 FI LLI NG AND COMPACTI ON

Backf i l l excavat i on usi ng r emoved soi l . Compact backf i l l soi l ever y 6" usi ng t he same equi pment used f or excavat i on, ensur i ng no voi ds ar e l ef t .

Add addi t i onal t op soi l as r equi r ed t o mat ch or i gi nal sur f ace el evat i on.

3. 6 FI NI SHI NG/ FI NI SH OPERATI ONS

Fi ni sh t he sur f ace of excavat i ons t o a smoot h and compact sur f ace.

Di st ur bed sur f aces do not r equi r e t o be f i ni shed f or r eveget at i on.

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