Techspec_18-B-0023_amend0001_27Aug2018.pdf

McNar y Col ubmi a Par k Shor el i ne St abi l i zat i on W912EF18B0023 Amend 0001

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 11 00. 00 28 SUMMARY OF WORK

01 11 01. 00 28 SUPPLEMENTARY REQUI REMENTS

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 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 31 - EARTHWORK

31 00 00 EARTHWORK

31 05 19 GEOTEXTILE

31 32 39 BI OENGI NEERI NG PRACTI CES FOR STREAM BANK AND SHORELI NE

STABILIZATION

DI VI SI ON 32 - EXTERI OR I MPROVEMENTS

32 92 19 SEEDING

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

PROJECT TABLE OF CONTENTS Page 1

SECTI ON TABLE OF CONTENTS

DI VI SI ON 31 - EARTHWORK

SECTI ON 31 00 00

EARTHWORK

PART 1 GENERAL

1. 1 SCOPE

1. 2 REFERENCES

1. 3 SUBMI TTALS

1. 4 WORK AREA I SOLATI ON

1. 5 TEMPORARY ACCESS ROADS AND PATHS

1. 6 EROSI ON CONTROL

1. 7 DELI VERY, STORAGE, AND HANDLI NG

1. 8 CONSTRUCTI ON STAKI NG

PART 2 PRODUCTS

2. 1 MATERI ALS

2. 1. 1 Mat er i al Sour ces

2. 1. 2 Soi l Backf i l l

2. 1. 3 Pi t Run

2. 1. 4 Topsoi l

2. 1. 5 Base Rock

2. 1. 6 Angul ar Rock Fi l l

2. 1. 7 Pl ant i ng and Seedi ng

2. 1. 8 Bank St abi l i zat i on

PART 3 EXECUTI ON

3. 1 SI TE ACCESS AND PROTECTI ON

3. 1. 1 Haul Road And Si t e Access Road

3. 1. 2 St agi ng Ar ea

3. 1. 3 Equi pment And Wor k Access

3. 2 CLEARI NG

3. 3 EXCAVATI ON

3. 3. 1 Exi st i ng Ri pr ap

3. 4 DRAI NAGE AND DEWATERI NG

3. 4. 1 Dr ai nage

3. 5 DI SPOSAL OF MATERI ALS

3. 5. 1 Veget at i on and Debr i s

3. 5. 2 Noncombust i bl e Mat er i al

3. 5. 3 Concr et e Di sposal

3. 6 SLOPE AND GRADE PREPARATI ON

3. 7 MATERI AL PLACEMENT

3. 7. 1 Soi l Backf i l l

3. 7. 2 Topsoi l

3. 7. 3 Base Rock

3. 7. 4 Angul ar Rock Fi l l

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

SECTI ON 31 00 00

SECTI ON 31 00 00

EARTHWORK

PART 1 GENERAL

1. 1 SCOPE

These speci f i cat i ons appl y t o t he shor el i ne st abi l i zat i on wor k f or r i ver bank segment s. Wor k shal l i ncl ude f ur ni shi ng al l equi pment , mat er i al s, l abor , et c. , as r equi r ed t o compl et e t he r equi r ed i mpr ovement s as shown on t he Dr awi ngs and speci f i ed her ei n.

1. 2 REFERENCES

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

ASTM I NTERNATI ONAL ( ASTM)

ASTM D422 ( 1963; R 2007; E 2014; E 2014)

Par t i c l e- Si ze Anal ysi s of Soi l s

ASTM D1557 ( 2007) 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 Modi f i ed Ef f or t ( 56, 000 f t - l bf / f t 3 ( 2, 700 kN- m/ m3) )

1. 3 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 havi ng an " I " 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 . " GT" i dent i f i es t he Engi neer i ng & Const r uct i on Di v i s i on, Geot echni cal Desi gn Sect i on, 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

Haul Road and Si t e Access Road; G, AE St agi ng Ar ea; G, AE Equi pment and Wor k Access; G, AE Li censed Sur veyor ; I , GS

SD- 03 Pr oduct Dat a

Soi l Backf i l l ; G, AE Pi t Run; G, AE Topsoi l ; G, AE Base Rock; G, AE Angul ar Rock Fi l l ; G, AE

SD- 07 Cer t i f i cat es

Mat er i al Sour ces; G, AE

1. 4 WORK AREA I SOLATI ON

The Cont r act or shal l per f or m al l Wor k f or t hi s pr oj ect l ocat ed bel ow or di nar y hi gh wat er wi t hi n t he desi gnat ed i n- st r eam wor k wi ndow f or t hi s pr oj ect . The Cont r act or shal l i sol at e t he wor k ar ea f r om f l ow i n t he r i ver by use of f l oat i ng s i l t cur t ai n or ot her met hods appr oved by t he Cont r act i ng Of f i cer . The Cont r act or shal l account f or t hi s Wor k as i t wi l l be r equi r ed f or t he const r uct i on of t he pr oj ect .

1. 5 TEMPORARY ACCESS ROADS AND PATHS

The Cont r act or shal l use exi st i ng access r oads and pat hs whenever r easonabl e. The use of t empor ar y r oads and pat hs shal l be mi ni mi zed i n number and l engt h t hr ough r i par i an ar eas and f l oodpl ai ns t o mi ni mi ze soi l di st ur bance, compact i on, and i mpact s t o veget at i on.

The Cont r act or shal l mi ni mi ze t he r emoval of r i par i an veget at i on dur i ng const r uct i on of t he t empor ar y access r oads or pat hs. When t empor ar y r emoval of veget at i on i s necessar y, t he Cont r act or shal l cut t he veget at i on at gr ound l evel as opposed t o gr ubbi ng t he s i t e.

Al l t empor ar y access r oads and pat hs shal l be obl i t er at ed upon pr oj ect compl et i on and t he soi l shal l be st abi l i zed and r eveget at ed, at a mi ni mum, t o pr e- pr oj ect condi t i ons. Tempor ar y r oads and pat hs i n wet ar eas or ar eas pr one t o f l oodi ng shal l be obl i t er at ed by t he Cont r act or by t he end of t he i n- wat er wor k wi ndow.

1. 6 EROSI ON CONTROL

Er osi on cont r ol measur es shal l be pr ovi ded by t he Cont r act or and shal l i ncl ude al l l abor and mat er i al s necessar y t o devel op and i mpl ement a St or mwat er Pol l ut i on Pr event i on Pl an ( SWPPP) as def i ned i n t he Const r uct i on St or mwat er Gener al Per mi t , as wel l as ot her envi r onment al cont r ol s r el at ed t o const r uct i on act i v i t i es. See SECTI ON 01 57 20. 00 28 ENVI RONMENTAL PROTECTI ON f or addi t i onal i nf or mat i on.

1. 7 DELI VERY, STORAGE, AND HANDLI NG

St agi ng ar eas used f or const r uct i on equi pment st or age; vehi c l e st or age, f uel i ng, and ser vi c i ng; and hazar dous mat er i al s st or age shal l be a mi ni mum 150 f eet f r om any nat ur al wat er body or wet l and. Nat ur al mat er i al s used f or habi t at r est or at i on, such as pl ant i ngs and boul der s, may be st aged wi t hi n t he 100- year f l oodpl ai n. Any mat er i al not used f or habi t at r est or at i on and not nat i ve t o t he f l oodpl ai n shal l be r emoved.

1. 8 CONSTRUCTI ON STAKI NG

Al l st aki ng r equi r ed t o const r uct t he pr oj ect shal l be pr ovi ded by t he Cont r act or appr oved by t he Cont r act i ng Of f i cer . The Cont r act or shal l car ef ul l y pr eser ve benchmar ks, r ef er ence poi nt s, and st akes set by ot her s.

The Cont r act or shal l secur e t he Wor k ar ea and pr ot ect al l const r uct i on st aki ng. I n t he case of wi l l f ul or car el ess dest r uct i on by t he Cont r act or , t he Cont r act or shal l be char ged wi t h t he r esul t i ng expense of r epl acement and shal l be r esponsi bl e f or any mi st akes or l i abi l i t y t hat may be caused by t he l oss or di st ur bance. Any addi t i onal st aki ng r equest ed by t he Cont r act or , r epl acement of st akes or hubs l ost or di st ur bed by t he

Cont r act or , or due t o vandal i sm or ot her r easons, r e- st aki ng r equi r ed because of i mpr oper const r uct i on wi l l be r e- done and appr oved by t he Cont r act i ng Of f i cer at t he Cont r act or ' s expense.

Const r uct i on st aki ng shal l be per f or med by a l i censed sur veyor .

PART 2 PRODUCTS

2. 1 MATERIALS

Mat er i al gr adat i ons shal l be obt ai ned by t est pr ocedur es pr esent ed i n ASTM C117, ASTM C136/ C136M, ASTM D422, and ASTM D1557.

2. 1. 1 Mat er i al Sour ces

Al l mat er i al shal l be f r om a commer ci al sour ce. The Cont r act or shal l pr ovi de a submi t t al f or each commer ci al mat er i al s sour ce. Each submi t t al shal l i ncl ude t he name, cont act i nf or mat i on, and busi ness l i cense f or each sour ce, as wel l as a val i d l i cense f r om t he St at e f or t he oper at i on of t he pi t or mi ni ng oper at i on.

2. 1. 2 Soi l Backf i l l

Soi l backf i l l shal l consi st of s i l t y gr avel s or gr avel - sand- si l t mi xt ur es cont ai ni ng not mor e t han 50 per cent and not l ess t han 30 per cent , by wei ght passi ng t he No. 200 si eve and not l ess t han 90 per cent by wei ght passi ng t he No. 40 s i eve. Pl us or mi nus s i x per cent of ei t her s i eve r equi r ement i s acceptable.

2. 1. 3 Pi t Run

Pi t r un shal l be obt ai ned f r om sour ces sel ect ed by t he Cont r act or and appr oved by t he Cont r act i ng Of f i cer . Pi t r un shal l consi st of 3- i nch t o 8- i nch angul ar gr avel .

2. 1. 4 Topsoil

Topsoi l shal l be pr ocur ed f r om a pr i vat e sour ce and del i ver ed by t he Cont r act or . The t opsoi l shal l be of SM or ML t ype, a nat ur al , s i l t y sandy soi l , or s i l t , char act er i st i c of r epr esent at i ve soi l s i n t he v i c i ni t y t hat pr oduce heavy gr owt hs of cr ops, gr ass, or ot her veget at i on. Topsoi l shal l be f r ee f r om r oot s, st ones, t r ash, and ot her mat er i al s t hat hi nder gr adi ng, pl aci ng of bi or emedi at i on mat er i al s, pl ant i ng of t r ee cut t i ngs, and mai nt enance oper at i ons, and f r ee f r om obj ect i onabl e weed seeds and t oxi c subst ances. The mat er i al shal l be at a pr oper moi st ur e cont ent t o achi eve compaction.

2. 1. 5 Base Rock

Base r ock shal l be wel l - gr aded, cr ushed r ock conf or mi ng t o t he f ol l owi ng requirements:

Gr adi ng Requi r ement s f or 1- 1/ 2"

- 0 r ock

Si eve Si ze % Passi ng

Gr adi ng Requi r ement s f or 1- 1/ 2"

- 0 r ock

2" 100

1-1/2 95-100

3/4 55-75

1/4 35-50

No. 10 18-30

No. 40 5-18

No. 200 0-5

2. 1. 6 Angul ar Rock Fi l l

Angul ar r ock f i l l shal l be obt ai ned f r om sour ces sel ect ed by t he Cont r act or and appr oved by t he Cont r act i ng Of f i cer . Rock shal l consi st of sound, dur abl e, angul ar r ock. Rock s i ze shal l be 24 i nch maxi mum, wi t h not mor e t han 30% l ess t han 12 i nches.

Angul ar r ock f i l l mat er i al shal l be har d, dur abl e, and r esi st ant t o weat her i ng. Angul ar r ock f i l l shal l be angul ar i n shape wi t h an appar ent speci f i c gr avi t y of 2. 5 mi ni mum. Nei t her t he wi dt h nor t he t hi ckness of a s i ngl e st one shal l be l ess t han 1/ 3 i t s l engt h. Gr adat i on must be appr oved by t he Cont r act i ng Of f i cer and shal l conf or m t o t he f ol l owi ng:

Gr adi ng Requi r ement s

Si eve Si ze % Passi ng

24" 100

20" 80

16" 50

12" 30

6" 10

3" 5

2. 1. 7 Pl ant i ng and Seedi ng

Pl ant i ng and Seedi ng shal l conf or m t o t he appl i cabl e r equi r ement s of SECTION 32 92 19 SEEDI NG and SECTI ON 31 32 39 BI OENGI NEERI NG PRACTI CES FOR

STREAM BANK AND SHORELI NE STABI LI ZATI ON.

2. 1. 8 Bank St abi l i zat i on

Bank St abi l i zat i on shal l conf or m t o t he appl i cabl e r equi r ement s of SECTI ON

31 32 39 BI OENGI NEERI NG PRACTI CES FOR STREAM BANK AND SHORELI NE

STABILIZATION.

PART 3 EXECUTI ON

3. 1 SI TE ACCESS AND PROTECTI ON

3. 1. 1 Haul Road And Si t e Access Road

The haul r oad and si t e access r oad shal l be mai nt ai ned t o pr event di st ur bance of exi st i ng gr ound sur f ace and pr ot ect exi st i ng cul t ur al r esour ces, as shown i n t he cont r act dr awi ngs. The sur f ace of t he haul r oad and si t e access r oad shal l be mai nt ai ned dur i ng const r uct i on such t hat i t does not have r ut s or wheel depr essi ons. Cont r act or shal l phot ogr aph t he s i t e access and haul r oads ever y 200 f eet t o 300 f eet t o est abl i sh exi st i ng condi t i ons, and copi es of phot ogr aphs shal l be pr ovi ded t o t he Cont r act i ng Of f i cer . Si t e access r oad shal l be seeded per speci f i cat i on Sect i on 32 92 19 SEEDI NG. Cont r act or shal l submi t a s i t e access r oad const r uct i on pl an. The Cont r act or shal l use onl y t he access r oad, st agi ng ar ea, and ot her desi gnat ed wor k ar eas, as det er mi ned by t he Cont r act i ng Of f i cer , f or const r uct i on use i ncl udi ng equi pment and mat er i al s st or age at al l t i mes.

3. 1. 2 St agi ng Ar ea

St agi ng ar ea shal l be used as shown on t he cont r act dr awi ngs and pr ot ect ed t o pr event di st ur bance of exi st i ng gr ound sur f ace and pr ot ect exi st i ng cul t ur al r esour ces. The sur f ace of t he st agi ng ar ea shal l be mai nt ai ned dur i ng const r uct i on such t hat i t does not have r ut s or wheel depr essi ons.

The ar ea shal l be as smal l as necessar y, but no l ar ger t han t he ar ea desi gnat ed on t he Dr awi ngs. The Cont r act or shal l phot ogr aph t he st agi ng ar ea and copi es of phot ogr aphs shal l be pr ovi ded t o t he Cont r act i ng Of f i cer . The st agi ng ar ea wi l l be f i el d st aked by t he Cont r act i ng Of f i cer .

Af t er wor k i s compl et e, t he Cont r act or shal l r et ur n t he st agi ng ar ea t o pr e- const r uct i on condi t i ons and seed per speci f i cat i on Sect i on 32 92 19 SEEDI NG. The st agi ng ar ea shal l be used as a t ur n- ar ound ar ea f or vehi c l es and equi pment .

3. 1. 3 Equi pment And Wor k Access

Al l r epai r wor k shal l be compl et ed f r om t he t op of t he bank. The Cont r act or shal l submi t a wor k pl an i ndi cat i ng t he s i ze of equi pment , pr ot ect i ve measur es, and sequence of wor k he i nt ends t o use t o ensur e t he upper s l ope i s not damaged. Rut s shal l not be gr eat er t han 2 i nches deep.

The pl an shal l i ncl ude t he met hods and means t o pr ot ect t he gr ound sur f ace, such as coi r f abr i cs and boar ds, r ubber t i r ed equi pment , and/ or l ow pr essur e equi pment or ot her met hods as pr oposed by t he Cont r act or . Any mat er i al s not bi odegr adabl e shal l be r emoved af t er use and t he ar ea r est or ed t o pr econst r uct i on condi t i ons.

3. 2 CLEARING

The ar eas wi t hi n t he gr adi ng l i nes shal l be c l ear ed of br ush, debr i s, and ot her i t ems t hat woul d i nt er f er e wi t h const r uct i on oper at i ons unl ess not ed ot her wi se. Br ush shal l be cut back at gr ound l evel and al l veget at i on r emoved. Root s shal l be l ef t i n pl ace. Al l t r ees shal l r emai n st andi ng and shal l be pr ot ect ed f r om damage i nci dent t o c l ear i ng and const r uct i on oper at i ons by t he er ect i on of bar r i er s or by such ot her means as t he c i r cumst ances r equi r e. I nvasi ve veget at i on ( e. g. , Russi an ol i ve) shal l be cut back at gr ound l evel and t r eat ed as di r ect ed by t he Cont r act i ng Of f i cer .

3. 3 EXCAVATION

Excavat i on shal l not be per mi t t ed as par t of t hi s pr oj ect .

3. 3. 1 Exi st i ng Ri pr ap

To t he ext ent r equi r ed t o pl ace embankment pr ot ect i on, r emove exi st i ng r i pr ap f r om t he pl ant i ng ar eas of t he r i ver bank s l opes and st ock pi l e i t f or r euse on t he bank s l opes. Take car e t o r et r i eve t he l ar ge boul der s wi t hi n r each of t he equi pment f or r euse as t oe st one. Sur pl us exi st i ng r i pr ap shal l be di sposed on t he r i ver bank as desi gnat ed by t he Cont r act i ng Of f i cer ' s Repr esent at i ve ( COR) .

3. 4 DRAI NAGE AND DEWATERI NG

3. 4. 1 Drainage

Sur f ace wat er shal l be di r ect ed away f r om const r uct i on s i t es t o pr event er osi on and under mi ni ng of f oundat i ons. Di ver si on di t ches, di kes, and gr adi ng shal l be pr ovi ded and mai nt ai ned as necessar y dur i ng const r uct i on.

Backf i l l sur f aces shal l be pr ot ect ed t o pr event er osi on and sl oughi ng.

3. 5 DI SPOSAL OF MATERI ALS

3. 5. 1 Veget at i on and Debr i s

Logs, br ush, r ot t en wood, and ot her r ef use f r om t he c l ear i ng oper at i on, shal l be di sposed out s i de t he l i mi t s of Gover nment - cont r ol l ed l and at t he Cont r act or ' s r esponsi bi l i t y . The Cont r act or shal l be r esponsi bl e f or compl i ance wi t h al l Feder al and St at e l aws and r egul at i ons and wi t h r easonabl e pr act i ce r el at i ve t o t he di sposal of r ef use and debr i s i n a publ i c and/ or commer ci al l andf i l l . Ot her di sposal of r ef use and debr i s and any acci dent al l oss or damage at t endant t her et o shal l be t he Cont r act or ' s responsibility.

3. 5. 2 Noncombust i bl e Mat er i al

Noncombust i bl e mat er i al shal l be r emoved f r om t he wor k s i t e and di sposed i n a publ i c and/ or commer ci al l andf i l l . The Cont r act or shal l be r esponsi bl e f or compl i ance wi t h al l Feder al , St at e, and l ocal l aws and r egul at i ons r egar di ng t he di sposal of such mat er i al s.

3. 5. 3 Concr et e Di sposal

Exi st i ng concr et e r emoved f r om t he embankment and pl ant i ng ar eas on r i ver bank s l opes f or s l ope gr ade pr epar at i on shal l become t he pr oper t y of t he Cont r act or , t o be di sposed of i n a l egal manner i n accor dance wi t h al l appl i cabl e Feder al , St at e, and l ocal r egul at i ons.

3. 6 SLOPE AND GRADE PREPARATI ON

The subgr ade shal l be pr epar ed f or pl acement of t he f i l l by cut t i ng al l veget at i on at gr ound l evel and r emovi ng al l debr i s wi t hout di st ur bi ng exi st i ng gr ound.

SECTI ON 31 00 00

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Sl oughed and sever el y under cut embankment s wi l l be al l owed t o be modi f i ed t o achi eve a c l ean edge usi ng hand t ool s onl y wi t h t he pr esence of USACE Cul t ur al Resour ce Repr esent at i ve. Sl oughed and over hang mat er i al t o be di sposed of byt t he Cont r act or as di r ect ed by COR.

3. 7 MATERI AL PLACEMENT

Al l f i l l mat er i al s shal l be pl aced t o t he l i nes and gr ades i ndi cat ed. Al l mat er i al s shal l be bucket pl aced and not dumped.

3. 7. 1 Soi l Backf i l l

Pr i or t o pl acement , t he soi l backf i l l shal l be mi xed wi t h pi t r un at a r at e of 70 per cent pi t r un, 30 per cent backf i l l by vol ume. Soi l backf i l l shal l be shal l be pl aced i n maxi mum 12- i nch l i f t s and compact ed wi t h at l east t wo passes wi t h a hand hel d compact or , hydr aul i c pl at e compact or , or ot her Engi neer appr oved met hod, t o appr oxi mat el y 90 per cent compact i on.

Compact i on wi l l be accept ed by v i sual i nspect i on by t he Cont r act i ng Of f i cer .

3. 7. 2 Topsoil

A mi ni mum of 6 i nches of t opsoi l shal l be pl aced t op of bank and seeded per speci f i cat i on Sect i on 32 92 19 SEEDI NG. Compact t opsoi l t o appr oxi mat el y 90 per cent of l abor at or y densi t y ASTM D1557.

3. 7. 3 Base Rock

Pr i or t o pl acement of base r ock, geot ext i l e shal l be pl aced on accor dance wi t h SECTI ON 31 05 19 GEOTEXTI LE. Base r ock shal l be pl aced t o t he ext ent and t hi ckness shown on t he Dr awi ngs, i n maxi mum 6- i nch l i f t s and compact ed wi t h at l east t wo passes t o 90 per cent of l abor at or y densi t y ASTM D1557, unl ess ot her wi se not ed per geosynt het i c bag manuf act ur e' s i nst r uct i ons.

3. 7. 4 Angul ar Rock Fi l l

Pr i or t o pl acement of base r ock, geot ext i l e shal l be pl aced on accor dance wi t h SECTI ON 31 05 19 GEOTEXTI LE. Angul ar r ock f i l l shal l be pl aced t o t he ext ent and t hi ckness shown on t he Dr awi ngs. Angul ar r ock f i l l shal l be pl aced t o i t s f ul l cour se t hi ckness i n one oper at i on. Met hods shal l be used t hat do not cause segr egat i on of angul ar r ock f i l l or di spl ace t he under l y i ng mat er i al . Angul ar r ock f i l l shal l be compact ed i n whi ch al l s i zes of mat er i al ar e pl aced i n pr oper pr opor t i on and pr ovi de a smoot h f i ni shed sur f ace, ei t her by hand pl aci ng or r ear r angi ng of i ndi v i dual st ones by mechani cal equi pment , or ot her met hods appr oved by t he Cont r act i ng Of f i cer . Compact i on wi l l be accept ed by v i sual i nspect i on by t he Cont r act i ng Of f i cer .

- - End of Sect i on - -

SECTI ON 31 00 00

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