B.08.03_TechSpec_Amendment.pdf

LMA Spar e Tr ansf or mer Cont ai nment Pad W912EF20Q0001

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PROJECT TABLE OF CONTENTS

DI VI SI ON 00 - PROCUREMENT AND CONTRACTI NG REQUI REMENTS

00 01 15. 00 28 LI ST OF DRAWI NGS

DI VI SI ON 01 - GENERAL REQUI REMENTS

01 00 00. 00 28 GENERAL REQUI REMENTS

01 11 01. 00 28 SUPPLEMENTARY REQUI REMENTS

01 14 00. 10 28 PROJECT SI TE RESTRI CTI ONS

01 14 00. 90 28 I NTEGRATI NG ANTI TERRORI SM ( AT) AND OPERATI ONS SECURI TY

(OPSEC)

01 22 00. 00 28 MEASUREMENT AND PAYMENT

01 33 00 SUBMI TTAL PROCEDURES

01 35 29. 10 28 GOVERNMENTAL SAFETY REQUI REMENTS

01 42 00 SOURCES FOR REFERENCE PUBLI CATI ONS

01 45 01. 00 28 RESI DENT MANAGEMENT SYSTEM CONTRACTOR MODE ( RMS CM)

01 45 04. 00 28 CONTRACTOR QUALI TY CONTROL

01 51 00. 00 28 TEMPORARY UTI LI TI ES

01 55 10. 00 28 CONTRACTOR WORK, ACCESS AND STORAGE AREAS

01 57 20. 00 28 ENVI RONMENTAL PROTECTI ON

01 78 00. 00 28 CLOSEOUT SUBMI TTALS

DI VI SI ON 03 - CONCRETE

03 30 00. 01 28 CAST- I N- PLACE CONCRETE AND APPURTENANCES

DI VI SI ON 05 - METALS

05 05 23. 00 28 STRUCTURAL STEEL, METALWORK FABRI CATI ON, AND WELDI NG

DI VI SI ON 26 - ELECTRI CAL

26 05 00. 00 28 GENERAL ELECTRI CAL WORK

26 05 19. 00 28 I NSULATED WI RE AND CABLE

26 05 33. 10 28 RACEWAYS AND BOXES FOR ELECTRI CAL SYSTEMS

26 05 71. 00 28 LOW VOLTAGE OVERCURRENT PROTECTI VE DEVI CES

26 08 00. 00 28 APPARATUS I NSPECTI ON AND TESTI NG

26 24 16. 00 28 PANELBOARDS AND POWER CENTERS

DI VI SI ON 28 - ELECTRONI C SAFETY AND SECURI TY

28 05 26. 00 28 GROUNDI NG AND BONDI NG FOR ELECTRONI C SAFETY AND SECURI TY

DI VI SI ON 31 - EARTHWORK

31 00 00. 00 28 EARTHWORK

- - End of Pr oj ect Tabl e of Cont ent s - -

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SECTI ON TABLE OF CONTENTS

DI VI SI ON 31 - EARTHWORK

SECTI ON 31 00 00. 00 28

EARTHWORK

PART 1 GENERAL

1. 1 REFERENCES

1. 2 SUBMI TTALS

1. 3 SUPPLEMENTARY CONSI DERATI ONS

PART 2 PRODUCTS

2. 1 SATI SFACTORY MATERI ALS

2. 2 UNSATI SFACTORY MATERI ALS

2. 3 OVERSI ZE PARTI CLES

2. 4 BACKFI LL

2. 5 CRUSHED ROCK

2. 6 CONTROLLED DENSI TY FI LL

PART 3 EXECUTI ON

3. 1 GENERAL

3. 1. 1 Si t e Pr epar at i on

3. 1. 2 Subgr ade Pr epar at i on

3. 1. 3 Subgr ade Pr ot ect i on

3. 1. 4 Di sposal of Mat er i al s

3. 2 TRENCH EXCAVATI ON

3. 2. 1 Tr ench Excavat i on On t he Sl ope

3. 2. 2 Tr ench Excavat i on At The Ut i l i t y Cr ossi ng

3. 2. 3 Tr ench Excavat i on At The Fence Cr ossi ng

3. 3 BACKFI LL AND COMPACTI ON

3. 3. 1 Use of Cont r ol l ed Densi t y Fi l l

3. 3. 2 Moi st ur e Condi t i oni ng

3. 3. 3 Pr oof Rol l i ng

3. 3. 4 Backf i l l

3. 3. 5 Cr ushed Rock

3. 3. 6 Tr ench Backf i l l

3. 3. 6. 1 Tr ench Beddi ng

3. 3. 6. 2 Compact i on of Tr ench Backf i l l

3. 4 FI NI SHI NG

3. 4. 1 Fi ni sh Gr adi ng

3. 4. 2 Pr ot ect i on

3. 5 EQUI PMENT AND METHODS SUBMI TTAL

3. 6 CONTRACTOR QUALI TY CONTROL

3. 6. 1 I ndependent Test i ng Fi r m

3. 6. 1. 1 Const r uct i on Moni t or i ng and Test i ng

3. 6. 1. 2 Dai l y Const r uct i on Moni t or i ng and Test i ng Repor t s

3. 6. 2 Mat er i al Test Requi r ement s

3. 6. 2. 1 Nucl ear Densi t y Test i ng

SECTI ON 31 00 00. 00 28

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SECTI ON 31 00 00. 00 28

SECTI ON 31 00 00. 00 28

EARTHWORK

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 ( 2009) 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 an 457- mm ( 18- i n) Dr op

AASHTO T 224 ( 2001; R 2004) Cor r ect i on f or Coar se Par t i c l es i n t he Soi l Compact i on Test

ASTM I NTERNATI ONAL ( ASTM)

ASTM C 131 ( 2003) Resi st ance t o Degr adat i on of Smal l - Si ze Coar se Aggr egat e by Abr asi on and I mpact i n t he Los Angel es Machi ne

ASTM D 1557 ( 2002e1) 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 / cu. f t . ( 2, 700 kN-m/cu.m.))

ASTM D 2419 ( 2002) Sand Equi val ent Val ue of Soi l s and Fi ne Aggr egat e

ASTM D 2487 ( 2006e1) 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 D 2922 ( 2004) Densi t y of Soi l and Soi l - Aggr egat e i n Pl ace by Nucl ear Met hods ( Shal l ow Dept h)

ASTM D 422 ( 1963; R 2007) Par t i c l e- Si ze Anal ysi s of Soils

ASTM D 4318 ( 2005) 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 E 329 ( 2008) St andar d Speci f i cat i on f or Agenci es Engaged i n t he Test i ng and/ or I nspect i on of Mat er i al s Used i n Const r uct i on

WASHI NGTON STATE DEPARTMENT OF TRANSPORTATI ON ( WSDOT)

WSDOT M 41- 10 ( 2010) St andar d Speci f i cat i ons f or Road, Br i dge, and Muni c i pal Const r uct i on

WSDOT M 46- 01. 05 ( 2010) Mat er i al s Manual

1. 2 SUBMITTALS

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

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

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

Mat er i al Sour ce; G, GT

Cr ushed Rock; G, GT

Submi t t al s f or i mpor t ed f i l l mat er i al s shal l i ncl ude soi l c l assi f i cat i on per ASTM D 2487, gr adat i on t est s per ASTM D 422, and At t er ber g Li mi t s t est s per ASTM D 4318. Test r esul t s f or Dur abi l i t y per ASTM C 131, Sand Equi val ent per ASTM D 2419, Per cent Fr act ur e, and ot her t est s consi st ent wi t h WSDOT M 41- 10 shal l al so be i ncl uded as appl i cabl e.

Cont r ol l ed Densi t y Fi l l ; G, GT

Equi pment And Met hods; G, GT

SD- 06 Test Repor t s

Dai l y Const r uct i on Moni t or i ng and Test i ng Repor t s; G, GT

Submi t t al s shal l i ncl ude const r uct i on moni t or i ng i nf or mat i on and concl usi ons by t he I ndependent Test i ng Fi r m.

SD- 07 Cer t i f i cat es

I ndependent Test i ng Fi r m; G, GT

Nucl ear Densomet er ; G, GT

Submi t t al shal l i ncl ude cl eani ng and cal i br at i on document at i on f or t he gages t hat wi l l be used, as wel l as t he t r ai ni ng cer t i f i cat i ons f or t he t echni c i ans who wi l l oper at e t he gages.

1. 3 SUPPLEMENTARY CONSI DERATI ONS

Base bi ds on t he f ol l owi ng suppl ement ar y consi der at i ons:

a. Test pi t expl or at i ons wer e compl et ed at t he s i t e on Jul y 17, 2019. Logs of t he expl or at i ons ar e pr esent ed i n t he Pl ans.

Phot ogr aphs of excavat ed mat er i al s ar e al so pr esent ed.

b. Si t e soi l s i ncl ude 7 t o 10. 5 f eet of coar se gr anul ar f i l l over nat i ve f i ne- gr ai ned soi l s.

c. Lar ge cobbl es and boul der s up t o 3 f eet i n di amet er ar e expect ed i n pl anned excavat i ons.

d. No seepage was obser ved i n any of t he t hr ee t est pi t s. However , i n t wo of t he pi t s, soi l moi st ur e was consi st ent wi t h mi nor amount s of per ched gr oundwat er .

e. Fi ne- gr ai ned soi l s and/ or gr oundwat er ar e not expect ed i n pl anned excavat i ons. The most l i kel y l ocat i on wher e t hese mat er i al s coul d be encount er ed i s at t he bot t om end of t he t r ench excavat i on t hat ext ends f r om t he f i sh f l ume, up t he s l ope t o t he power panel .

g. Sur f ace el evat i ons ar e as i ndi cat ed.

PART 2 PRODUCTS

2. 1 SATI SFACTORY MATERI ALS

Sat i sf act or y mat er i al s i ncl ude on- si t e and i mpor t ed mat er i al s t hat c l assi f y as GW, GP, GM, GP- GM, GW- GM, SW, SP, SM, SP- SM, or SW- SM per ASTM D 2487.

Sat i sf act or y mat er i al s shal l have a maxi mum par t i c l e s i ze of 6- i nches.

Onl y sat i sf act or y mat er i al s may be used as f i l l .

2. 2 UNSATI SFACTORY MATERI ALS

Mat er i al s t hat 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, and mat er i al t hat cont ai ns r oot s or ot her or gani c mat t er , f r ozen mat er i al , or ot her del et er i ous mat er i al s.

2. 3 OVERSI ZE PARTI CLES

Over si ze mat er i al s i ncl ude any r ock l ar ger t han 6- i nches i n di amet er .

Based on t he expl or at i ons, over si ze par t i c l es/ mat er i al s wi l l be encount er ed at t he s i t e.

2. 4 BACKFILL

Use backf i l l cr eat ed by pr ocessi ng excavat ed on- si t e mat er i al s. Separ at e cobbl es and boul der s l ar ger t han 6- i nches i n di amet er ( over si ze par t i c l es) usi ng a gr i zzl y, a bar scr een, or s i mi l ar equi pment . Ensur e t he r esul t i ng 6- i nch mi nus mat er i al i s f r ee of pl ant mat t er , wood, concr et e, debr i s, r ef use, or ot her mat er i al s t hat woul d make i t unsui t abl e.

2. 5 CRUSHED ROCK

Cr ushed Rock shal l meet t he r equi r ement s f or Cr ushed Sur f aci ng, Base Cour se mat er i al per Sect i on 9- 03. 9( 3) of WSDOT M 41- 10. The Gr adat i on r equi r ement s ar e as f ol l ows:

Gr adat i on Requi r ement s f or Base Cour se Mat er i al

Si eve Si ze Per cent Passi ng 1 1/ 2" 100 1" 80 - 100 5/ 8" 50 - 80 No. 4 25 - 45 No. 40 3 - 18 No. 200 0 - 7. 5

2. 6 CONTROLLED DENSI TY FI LL

Cont r ol l ed Densi t y Fi l l shal l be a f l owabl e concr et e pr oduct wi t h a s l ump i n t he r ange of 3 t o 10 i nches. The mat er i al shal l be desi gned f or a 28- day compr essi ve st r engt h of at l east 100 psi and not mor e t han 400 psi .

PART 3 EXECUTI ON

3. 1 GENERAL

3. 1. 1 Si t e Pr epar at i on

Ensur e mat er i al s st or ed i n t he boneyar d have been moved cl ear of t he wor k ar ea. Mat er i al s and equi pment t o be r el ocat ed by ot her s.

3. 1. 2 Subgr ade Pr epar at i on

As i ndi cat ed, over excavat e bel ow t he bot t om of t he t r ansf or mer pad t o ensur e r emoval of boul der s. Repai r damaged ar eas wher e boul der s and cobbl es wer e r emoved f r om t he sur f ace. Use backf i l l t o r epai r i sol at ed pot hol es t hat can be cr eat ed wher e boul der s ar e r emoved f r om t he subgr ade sur f ace. Compact t he backf i l l wi t h v i br at or y compact i on equi pment and t hen compact t he subgr ade sur f ace wi t h a sel f - pr opel l ed v i br at or y dr um r ol l er , or ot her appr oved equi pment . Pr i or t o pl aci ng backf i l l , pr oof r ol l t he exposed, compact ed subgr ade sur f ace.

3. 1. 3 Subgr ade Pr ot ect i on

Do not di st ur b t he f i ni shed subgr ade by t r af f i c or ot her oper at i ons.

Pr ot ect and mai nt ai n t he f i ni shed subgr ade i n a sat i sf act or y condi t i on unt i l f i l l i s pl aced. Do not per mi t t he st or age or st ockpi l i ng of mat er i al s on t he f i ni shed subgr ade.

3. 1. 4 Di sposal of Mat er i al s

Di spose of al l of t he f ol l owi ng mat er i al s on s i t e, at t he appr oved l ocat i on:

Over si ze par t i c l es separ at ed f r om excavat ed mat er i al s;

Excess excavat ed mat er i al s;

Excess backf i l l ( excavat ed mat er i al s pr ocessed f or use as backf i l l ) ; and f i ne- gr ai ned soi l s f r om t he t r ench excavat i on.

3. 2 TRENCH EXCAVATI ON

Not i f y t he Cont r act i ng of f i cer pr i or t o each day t hat wor k wi l l be compl et ed on t he s l ope or near t he f i sh f l ume, downsl ope of t he f ence.

3. 2. 1 Tr ench Excavat i on On t he Sl ope

Take gr eat car e wor ki ng i n pr oxi mi t y of t he f i sh f l ume or on t he s l ope above i t . Ensur e t he f l ume i s not di st ur bed i n any way.

3. 2. 2 Tr ench Excavat i on At The Ut i l i t y Cr ossi ng

Ther e i s exi st i ng el ect r i cal ser v i ce bur i ed par al l el t o t he f i sh f l ume.

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Di g t he pl anned t r ench cr ossi ng wi t h gr eat car e. Ensur e t he exi st i ng condui t s or cabl es ar e not damaged. Wi t hi n 5 f eet of t he cr ossi ng, di g by hand i f needed. Not i f y t he Cont r act i ng Of f i cer bef or e di ggi ng anywher e al ong t he t r ench, and bef or e pl aci ng any f i l l at t he cr ossi ng. Ensur e t he bur i ed ut i l i t y i s l ocat ed pr i or t o excavat i ons.

3. 2. 3 Tr ench Excavat i on At The Fence Cr ossi ng

I f necessar y, t he f ence can be t aken down at t he cor ner post t o f ac i l i t at e access down t he s l ope, al ong t he t r ench f or t he power panel . I f t he f ence i s t aken down, ensur e i t i s r eassembl ed, pr oper l y st r et ched, and r est or ed t o i t s or i gi nal condi t i on. I f t he f ence i s l ef t i n pl ace, excavat e t he t r ench cr ossi ng wi t h gr eat car e t o ensur e t he f ence i s not damaged.

3. 3 BACKFI LL AND COMPACTI ON

Onl y sat i sf act or y mat er i al shal l be used as backf i l l . Fi l l mat er i al s shal l be pl aced and compact ed i n cont i nuous hor i zont al l ayer s. The degr ee of compact i on ( number of passes wi t h speci f i ed equi pment ) and t he maxi mum t hi ckness of l ayer s bef or e compact i on shal l be as speci f i ed bel ow.

Succeedi ng l ayer s of f i l l shal l not be pl aced unt i l t he pr ecedi ng l ayer has been sat i sf act or i l y compact ed and pr oof r ol l ed or t est ed wi t h a nucl ear densometer.

3. 3. 1 Use of Cont r ol l ed Densi t y Fi l l

Wher e ut i l i t y t r ench excavat i on ext ends under concr et e s l abs or f oundat i ons, use cont r ol l ed densi t y f i l l as backf i l l . Ensur e t he cont r ol l ed densi t y f i l l ext ends at l east one f oot beyond t he pl an per i met er of t he concr et e.

3. 3. 2 Moi st ur e Condi t i oni ng

Mat er i al s pl aced as f i l l or backf i l l shal l be moi st ur e condi t i oned t o wi t hi n t hr ee per cent ( 3%) of t hei r opt i mum moi st ur e cont ent f or compact i on.

3. 3. 3 Pr oof Rol l i ng

The Cont r act or shal l ensur e al l subgr ade sur f aces and exposed compact ed f i l l sur f aces ar e eval uat ed by t he I ndependent Test i ng Fi r m and t he COR pr i or t o pl acement of f i l l or concr et e. Exposed subgr ade sur f aces and successi ve l ayer s of f i l l shal l be pr oof r ol l ed t o conf i r m t he mat er i al has been compact ed t o a dense t o ver y dense condi t i on and i s f i r m and unyielding.

Pr oof r ol l i ng shal l be compl et ed usi ng heavy, f ul l y l oaded, r ubber - t i r ed const r uct i on equi pment ( e. g. a f ul l wat er t r uck or a l oaded dump t r uck, or f r ont l oader ) . Conduct pr oof r ol l i ng t o achi eve wheel l oad obser vat i ons on l i nes not mor e t han 4- f eet apar t t o ver i f y t he ar ea bei ng eval uat ed. Li mi t speeds dur i ng pr oof r ol l i ng t o wal k i ng pace. Pr oof r ol l i ng of t he subgr ade sur f ace shal l be obser ved by t he I ndependent Test i ng Fi r m and t he COR.

Not i f y t he COR 3 days i n advance of pr oof r ol l i ng.

Dur i ng pr oof r ol l i ng, ar eas t hat y i el d, def l ect , pump, r ut , or shove shal l be r e- wor ked t o pr ovi de accept abl e r esul t s ( i . e. consi st ent wi t h a dense t o ver y dense, f i r m, unyi el di ng sur f ace) pr i or t o pl acement of any addi t i onal mat er i al . Rewor ki ng and/ or over excavat i on and r epl acement shal l be compl et ed at t he Cont r act or ' s expense.

3. 3. 4 Backfill

Fi l l pl aced mor e t han 4- i nches bel ow f oundat i on bear i ng gr ade or bot t om- of - s l ab gr ade shal l be Backf i l l . The Cont r act or shal l pl ace backf i l l i n l oose l i f t s not exceedi ng 8- i nches i n l oose t hi ckness. The l i f t s shal l be compact ed wi t h heavy, r ubber - t i r ed const r uct i on equi pment ( i . e. scr aper s) , or l ar ge, v i br at or y dr um r ol l er s; or a combi nat i on t her eof ; or ot her sui t abl e met hods.

The mat er i al shal l be compact ed wi t h a mi ni mum of f i ve ( 5) wheel passes over t he ent i r e ar ea.

3. 3. 5 Cr ushed Rock

Fi l l pl aced wi t hi n 4- i nches of f oundat i on bear i ng gr ade or bot t om- of - s l ab gr ade shal l be cr ushed r ock. Compact cr ushed r ock t o at l east 95% of i t s maxi mum dr y densi t y usi ng t he Modi f i ed Pr oct or Test per ASTM D 1557.

Since ASTM D 1557 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 s i 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 s i eve as a per cent age of t he maxi mum densi t y i n accor dance wi t h AASHTO T 180 and cor r ect ed wi t h AASHTO T 224. To mai nt ai n t he same per cent age of coar se mat er i al , use t he " r emove and r epl ace" pr ocedur e as descr i bed i n NOTE 8 of Par agr aph 7. 2 i n

AASHTO T 180.

I n addi t i on t o nucl ear densomet er t est s, t he cr ushed r ock sur f ace at bot t om- of - s l ab el evat i on shal l be t hor oughl y pr oof r ol l ed t o ver i f y t he ent i r e ar ea i s f i r m and unyi el di ng pr i or t o pl aci ng st eel or concr et e.

3. 3. 6 Tr ench Backf i l l

Tr ench backf i l l shal l be compl et ed per t he Pl ans. Wher e ut i l i t y t r enches ext end beneat h concr et e s l abs, backf i l l usi ng Cont r ol l ed Densi t y Fi l l .

3. 3. 6. 1 Tr ench Beddi ng

Beddi ng Mat er i al shal l be cr ushed r ock pl aced and compact ed i n t he zone 4- i nches above and bel ow t he condui t as i ndi cat ed. Once t he cr ushed r ock has been pl aced and compact ed, f i l l t he r est of t he t r ench wi t h compact ed backf i l l as i ndi cat ed.

3. 3. 6. 2 Compact i on of Tr ench Backf i l l

Tr ench backf i l l shal l be compact ed f r om t he t op of t he Beddi ng Mat er i al t o t he sur f ace.

Equi pment shal l be i n good r epai r and shal l be oper at ed as r ecommended by t he manuf act ur er . Wher e a r ange of f r equency v i br at i ons ar e her ei naf t er speci f i ed, t he Cont r act or shal l use t he f r equency of v i br at i on best sui t ed f or t he par t i cul ar soi l bei ng compact ed as r ecommended by t he manuf act ur er .

Gener al l y, t he l ower f r equenci es ar e best f or gr anul ar mat er i al .

a. The maxi mum l oose l i f t t hi ckness shal l be 6- i nches.

b. Hand- oper at ed v i br at or y r ol l er s shal l be of a t ype t hat wi l l pr oduce a dynami c f or ce of at l east 140 pounds per l i near i nch of dr um wi dt h. The f r equency of v i br at i on dur i ng oper at i on shal l be bet ween

4000 and 6000 vi br at i ons per mi nut e. For t hi s equi pment , a mi ni mum of 3 passes i s r equi r ed per l i f t of f i l l .

c . Hand- oper at ed v i br at or y pl at es shal l be of a t ype t hat wi l l pr oduce a dynami c f or ce of at l east 5. 5 pounds per squar e i nch. The f r equency of v i br at i on dur i ng oper at i on shal l be bet ween 4000 and 6000 vi br at i ons per mi nut e. For t hi s equi pment , a mi ni mum of 5 passes i s r equi r ed per l i f t of f i l l .

d. Hand- oper at ed r ammer s shal l be of a t ype whi ch wi l l pr oduce an i mpact f or ce of at l east 6. 75 pounds per squar e i nch. For t hi s equi pment , a mi ni mum of 3 passes i s r equi r ed per l i f t of f i l l .

Each pass of t he equi pment r equi r es t he equi pment be appl i ed t o t he ent i r e sur f ace of t he f i l l l i f t .

3. 4 FINISHING

Fi ni sh t he sur f ace of excavat i ons and subgr ades t o a smoot h and compact sur f ace i n accor dance wi t h t he l i nes, gr ades, and cr oss sect i ons or el evat i ons shown

3. 4. 1 Fi ni sh Gr adi ng

Pr ovi de t he degr ee of f i ni sh f or gr aded ar eas wi t hi n 0. 05 f oot of t he gr ades and el evat i ons i ndi cat ed.

3. 4. 2 Protection

Set t l ement or washi ng t hat occur s i n gr aded or backf i l l ed ar eas pr i or t o accept ance of t he wor k shal l be r epai r ed and gr ades r eest abl i shed t o t he r equi r ed el evat i ons at no addi t i onal expense t o t he gover nment .

3. 5 EQUI PMENT AND METHODS SUBMI TTAL

Pr ovi de a submi t t al descr i bi ng t he equi pment and met hods t hat wi l l be used t o excavat e t r enches and f oundat i on ar eas, pr ocess mat er i al s, and compact and t est mat er i al s at t he s i t e. The i nf or mat i on shoul d i ncl ude equi pment t ypes and wei ght s, as wel l as how t he excavat i on, mat er i al s pr ocessi ng, and pl acement i s pl anned t o pr oceed.

3. 6 CONTRACTOR QUALI TY CONTROL

3. 6. 1 I ndependent Test i ng Fi r m

The I ndependent Test i ng Fi r m ( Test i ng Fi r m) used f or qual i t y cont r ol t est i ng shal l be a r ecogni zed t est i ng f i r m wi t h a l abor at or y meet i ng t he r equi r ement s of ASTM E 329. The Test i ng Fi r m shal l al so be a Cor ps val i dat ed commer ci al t est i ng l abor at or y. The Us Ar my Cor ps of Engi neer s Mat er i al s Test i ng Cent er mai nt ai ns a cur r ent l i s t of val i dat ed l abor at or i es here: https://mtc.erdc.dren.mil/searchvalidation.aspx . The Cont r act or shal l i mmedi at el y not i f y t he Cont r act i ng Of f i cer of al l unsat i sf act or y t est r esul t s, measur ement s, obser vat i ons, or condi t i ons t hat ar e not i n accor dance wi t h t he Pl ans and Speci f i cat i ons. Pr ovi de a submi t t al i ncl udi ng t he l et t er of Val i dat i on f or t he Test i ng Fi r m.

3. 6. 1. 1 Const r uct i on Moni t or i ng and Test i ng

Const r uct i on moni t or i ng and t est i ng shal l be compl et ed by t he Test i ng Fi r m on a f ul l - t i me basi s dur i ng al l ear t hwor k and f i l l pl acement act i v i t i es.

Ful l - t i me moni t or i ng shal l be compl et ed whenever pr escr i pt i ve compact i on met hods ar e used. Par t - t i me moni t or i ng wi l l be appr oved onl y f or nucl ear densomet er t est i ng of cr ushed r ock. Const r uct i on t est i ng i nf or mat i on shal l be i ncl uded i n Dai l y Test i ng Repor t s.

3. 6. 1. 2 Dai l y Const r uct i on Moni t or i ng and Test i ng Repor t s

The Test i ng Fi r m shal l pr epar e Dai l y Const r uct i on Moni t or i ng and Test i ng Repor t s document i ng const r uct i on obser vat i ons, f i el d measur ement s, mat er i al sampl i ng, densi t y t est s, l abor at or y t est r esul t s as avai l abl e, and ot her per t i nent i nf or mat i on. Separ at e r epor t s of pr oof r ol l i ng shal l al so be pr ovi ded and shal l al so i ncl ude di agr ams. The Cont r act or shal l at t ach t he Dai l y Test i ng Repor t s t o t he Cont r act or ' s Dai l y Repor t .

3. 6. 2 Mat er i al Test Requi r ement s

Per f or m gr adat i on t est s per ASTM D 422 f or ever y 200 cubi c yar ds of i mpor t ed mat er i al , and f or each Mat er i al Sour ce. Moi st ur e- Densi t y Rel at i onshi p t est s per ASTM D 1557 or ot her appr oved met hods shal l al so be compl et ed as appl i cabl e. I t i s ant i c i pat ed t hat one set of t est r esul t s wi l l be r equi r ed f or t he needed vol ume of cr ushed r ock. Addi t i onal t est s shal l be compl et ed when any change i n mat er i al occur s t hat may af f ect t he opt i mum moi st ur e cont ent or l abor at or y maxi mum densi t y.

3. 6. 2. 1 Nucl ear Densi t y Test i ng

Except wher e pr escr i pt i ve compact i on met hods ar e used, t he Cont r act or shal l compact f i l l t o at l east 95% of i t s maxi mum dr y densi t y per t he Modi f i ed Pr oct or Test , ASTM D 1557 or ot her appr oved met hods. Det er mi ne f i el d i n- pl ace densi t y i n accor dance wi t h ASTM D 2922.

a. Wher e a Nucl ear Densomet er i s used f or compact i on cont r ol , f i el d densi t y t est s shal l be conduct ed t o t est each compact ed l i f t of f i l l .

The mi ni mum shal l be 2 t est s i n t he cr ushed r ock i n t he t r ansf or mer pad ar ea, and 1 t est i n t he cr ushed r ock pl aced i n t he t r ench.

b. Whi l e a nucl ear densomet er may not pr ovi de r el i abl e densi t y dat a f or compact i on cont r ol of backf i l l , i t may be usef ul f or moni t or i ng f i l l moi st ur e. The moi st ur e cont ent of f i l l bei ng pl aced by pr escr i pt i ve met hods shal l be t est ed r out i nel y as par t of f ul l - t i me const r uct i on moni t or i ng. A nucl ear densomet er may be used, or a Speedi e Moi st ur e Test er t ype devi ce t hat can t est moi st ur e per t he WSDOT FOP f or AASHTO T 217, " Det er mi nat i on of Moi st ur e i n Soi l s by Means of a Cal c i um Car bi de Gas Pr essur e Moi st ur e Test er " (

WSDOT M 46- 01. 05).

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