A.02.10_Revised_Technical_Specifications_for_Amendment_0002.pdf

Lower Gr ani t e Head Cover Oi l Wat er Separ at or Suppl y Cont r act W912EF19Q0005 Amend-0002

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

(OPSEC)

01 42 00 SOURCES FOR REFERENCE PUBLI CATI ONS

01 78 23. 00 28 OPERATI ON, MAI NTENANCE AND WARRANTY DATA

DI VI SI ON 22 - PLUMBI NG

22 00 00. 00 28 PI PI NG, GENERAL PURPOSE

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 20 00. 00 28 I NTERI OR DI STRI BUTI ON SYSTEM

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

35 45 02. 00 10 PUMP, DI SC TYPE

DI VI SI ON 46 - WATER AND WASTEWATER EQUI PMENT

46 25 14. 00 28 COALESCI NG OI L- WATER SEPARATORS

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

PROJECT TABLE OF CONTENTS Page 1 g4ecdbas Line

SECTI ON TABLE OF CONTENTS

DI VI SI ON 46 - WATER AND WASTEWATER EQUI PMENT

SECTI ON 46 25 14. 00 28

COALESCI NG OI L- WATER SEPARATORS

PART 1 GENERAL

1. 1 REFERENCES

1. 2 SYSTEM DESCRI PTI ON

1. 2. 1 Appl i cat i ons

1. 2. 2 I nf l uent Char act er i st i cs

1. 2. 3 Per f or mance Requi r ement s

1. 3 SUBMI TTALS

1. 4 DELI VERY AND HANDLI NG

1. 4. 1 Del i ver y

1. 4. 2 Handl i ng

1. 5 QUALI TY ASSURANCE

1. 5. 1 Oi l Wat er Separ at or Suppl i er Qual i f i cat i ons

1. 5. 2 St ar t - Up Engi neer and Tr ai ni ng

PART 2 PRODUCTS

2. 1 MATERI ALS

2. 1. 1 Separ at or Cor r osi on Pr ot ect i on

2. 1. 1. 1 St eel Separ at or

2. 1. 2 I nt er nal Sur f aces

2. 1. 3 Har dwar e

2. 1. 4 Accessi bi l i t y

2. 2 SEPARATI ON CHAMBER

2. 2. 1 Li f t i ng Mechani sm

2. 2. 2 Fl anges

2. 2. 3 Wei r s

2. 2. 4 Low Poi nt and Sl udge Dr ai ns

2. 2. 5 I dent i f i cat i on Pl at es

2. 2. 6 I nst r uct i on Pl at es

2. 3 I NLET COMPARTMENT AND SOLI DS SETTLI NG CHAMBER

2. 4 OI L SEPARATI ON COMPARTMENT

2. 4. 1 Gener al

2. 4. 2 Par al l el Pl at es

2. 4. 2. 1 Coal escer Pl at e Mat er i al s of Const r uct i on

2. 4. 2. 2 Coal escer Desi gn Ef f i c i ency

2. 4. 3 Suppor t s

2. 4. 4 Baf f l es

2. 5 OUTLET COMPARTMENT

2. 6 ACCESSORI ES AND ACCESSORY EQUI PMENT

2. 7 FABRI CATI ON

2. 7. 1 Shop Hydr ost at i c Test

2. 7. 2 Reduct i on of Sol i ds

2. 7. 3 Oi l Coal esci ng Compar t ment

2. 7. 4 Wast ewat er Sampl i ng Por t

2. 7. 5 Connect i ons

SECTI ON 46 25 14. 00 28

2. 7. 6 Oi l St or age Tank

PART 3 EXECUTI ON

3. 1 I NSPECTI ON

3. 2 FI ELD QUALI TY CONTROL

3. 2. 1 Fi el d Hydr ost at i c Test

3. 2. 2 Pr eoper at i onal Test

3. 2. 2. 1 Test s

3. 2. 2. 2 Pr eoper at i onal I nvest i gat i on and Test Repor t

3. 2. 3 I n- Ser vi ce Test

3. 2. 3. 1 Anal yt i cal Met hods

3. 2. 3. 2 Test f or Cont ami nant s

3. 2. 3. 3 Sampl i ng Pr ocedur es

3. 2. 3. 4 Accept ance Cr i t er i a

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

SECTI ON 46 25 14. 00 28

SECTI ON 46 25 14. 00 28

COALESCI NG OI L- WATER SEPARATORS

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 WATER WORKS ASSOCI ATI ON ( AWWA)

AWWA 10084 ( 2005) St andar d Met hods f or t he Exami nat i on of Wat er and Wast ewat er

AMERI CAN WELDI NG SOCI ETY ( AWS)

AWS D1. 1/ D1. 1M ( 2015; Er r at a 1 2015; Er r at a 2 2016) St r uct ur al Wel di ng Code - St eel

ASME I NTERNATI ONAL ( ASME)

ASME B16. 5 ( 2013) Pi pe Fl anges and Fl anged Fi t t i ngs:

NPS 1/ 2 Thr ough NPS 24 Met r i c/ I nch St andar d

ASTM I NTERNATI ONAL ( ASTM)

ASTM A36/ A36M ( 2014) St andar d Speci f i cat i on f or Car bon St r uct ur al St eel

ASTM E165/ E165M ( 2012) St andar d Pr act i ce f or Li qui d Penet r ant Exami nat i on f or Gener al I ndust r y

ASTM D4097 ( 2001; R 2010) Cont act - Mol ded Gl ass- Fi ber - Rei nf or ced Ther moset Resi n Cor r osi on- Resi st ant Tanks

NATI ONAL FI RE PROTECTI ON ASSOCI ATI ON ( NFPA)

NFPA 701 ( 2015) St andar d Met hods of Fi r e Test s f or Fl ame Pr opagat i on of Text i l es and Fi l ms

SOCI ETY FOR PROTECTI VE COATI NGS ( SSPC)

SSPC SP 10/ NACE No. 2 ( 2007) Near - Whi t e Bl ast Cl eani ng

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

EM 385- 1- 1 ( 2014) Saf et y and Heal t h Requi r ement s Manual

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

UNDERWRI TERS LABORATORI ES ( UL)

UL 142 ( 2006; Repr i nt Jul 2013) St eel Abovegr ound Tanks f or Fl ammabl e and Combust i bl e Li qui ds

1. 2 SYSTEM DESCRI PTI ON

Pr ovi de t wo ( 2) Mer cer I nt er nat i onal , I nc. Compl i ance Mast er ( TM) Model MI - A150 Low Pr of i l e hi gh- per f or mance above gr ound par al l el - pl at e gr avi t y di spl acement oi l / wat er / sol i ds separ at or , or appr oved equal wi t h t he sal i ent char act er i st i cs as speci f i ed i n t hi s sect i on. Mat er i al s of const r uct i on shal l be car bon st eel .

1. 2. 1 Applications

The separ at or shal l r emove f r ee oi l and suspended sol i ds f r om oi l - i n- wat er mi xt ur es of f r eshwat er or i gi nat i ng f r om power gener at i on oper at i ons. The i nf l uent oi l - i n- wat er mi xt ur e wi l l be pumped t o t he uni t whi ch wi l l not be l ocat ed i n an ar ea wi t h a cor r osi ve at mospher e.

1. 2. 2 I nf l uent Char act er i st i cs

Pr ovi de oi l - wat er separ at or desi gned f or a maxi mum f l ow of 150 gal l ons per mi nut e. Oper at i ng t emper at ur es of t he i nf l uent oi l - i n- wat er mi xt ur e wi l l r ange f r om 40 t o 70 degr ees F and ambi ent ai r t emper at ur es wi l l r ange f r om 50 t o 80 degr ees F. The speci f i c gr avi t y of t he oi l at oper at i ng oi l - wat er t emper at ur es wi l l r ange f r om 0. 86 t o 0. 90. The speci f i c gr avi t y of t he f r eshwat er at oper at i ng t emper at ur es wi l l r ange f r om 0. 998 t o 0. 999. The aver age speci f i c gr avi t y of t he suspended sol i ds i s 0. 90. The i nf l uent i s f ur t her char act er i zed as f ol l ows:

Oi l - i n- Wat er Mi xt ur e Minimum TO Maximum

Tot al suspended sol i ds 4 to 17 mg/ L

Tot al gr ease and oi l 0 to 2. 1 mg/ L pH 5.5 to 6.3

Oi l dr opl et s i ze Gr eat er t han 60 mi cr ons

Whi l e t he nor mal and usual i nf l uent wi l l l i kel y be r el at i vel y f r ee of oi l , t her e i s pot ent i al f or a much hi gher concent r at i on of oi l t o ent er t he separ at or due t o a spi l l i n t he t ur bi ne pi t .

1. 2. 3 Per f or mance Requi r ement s

The gr ease and oi l concent r at i on i n t he ef f l uent f r om t he oi l - wat er separ at or shal l not exceed t he f ol l owi ng l i mi t at i ons:

Contaminants Maximum

Tot al gr ease and oi l , 30- day aver age 10 mg/ L

Tot al Suspended Sol i ds Li mi t s 30 mg/ L

To achi eve t hi s goal , i t wi l l be necessar y t o r emove al l f r ee oi l dr opl et s equal t o or gr eat er t han 60 mi cr ons per St okes Law at t emper at ur e and speci f i c gr avi t i es l i s t ed i n sect i on 2. 4. 2.

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 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- 06 Test Repor t s

Shop hydr ost at i c t est ; G, ME

Inspection ; G, ME

Pr eoper at i onal t est ; G, ME

Submi t i n accor dance wi t h Sect i on 01 11 01. 00 28 SUPPLEMENTARY REQUI REMENTS, par agr aph TEST REPORTS.

1. 4 DELI VERY AND HANDLI NG

1. 4. 1 Delivery

I nspect mat er i al s del i ver ed t o s i t e f or damage; unl oad wi t h mi ni mum handl i ng. I f speci al pr ecaut i ons ar e r equi r ed, pr omi nent l y and l egi bl y st enci l i nst r uct i ons f or such pr ecaut i ons on out s i de of equi pment or i t s crating.

1. 4. 2 Handling

Handl e separ at or i n such a manner as t o ensur e del i ver y t o f i nal l ocat i on i n sound, undamaged condi t i on. Take speci al car e not t o damage i nt er i or and ext er i or sur f aces of separ at or , coal esci ng pl at es, and associ at ed suppor t s and pi pe coat i ngs or l i ni ngs. Make sat i s f act or y r epai r s t o damaged mat er i al s at no cost t o Gover nment . Car r y and do not dr ag materials.

1. 5 QUALI TY ASSURANCE

1. 5. 1 Oi l Wat er Separ at or Suppl i er Qual i f i cat i ons

The oi l / wat er separ at or shal l be t he st andar d pr oduct of t he manuf act ur er ;

no speci al f abr i cat i ons shal l be accept abl e.

The oi l / wat er separ at or shal l be bui l d i n accor dance wi t h Under wr i t er s Labor at or i es ( UL) st andar ds wher ever pr act i cal , i ncl udi ng t he UL- 142 st andar d f or above gr ound t anks.

The oi l wat er separ at or manuf act ur er has over al l r esponsi bi l i t y t o suppl y t he equi pment t hat meet s t he r equi r ement s of t hi s speci f i cat i on. Thus, dur i ng st ar t - up and per f or mance eval uat i on, t he oi l wat er separ at or manuf act ur er i s t he sol e r esponsi bl e par t y. The oi l wat er separ at or manuf act ur er must suppl y a l i s t of i nst al l at i ons at whi ch oi l wat er separ at or of hi s manuf act ur e, and ones s i mi l ar t o t hose speci f i ed, have been oper at i ng f or at l east 2 year s. The component s and mat er i al s of t he oi l wat er separ at or uni t may occur at di f f er ent f aci l i t i es.

1. 5. 2 St ar t - Up Engi neer and Tr ai ni ng

Fur ni sh a compet ent st ar t - up engi neer ( i ncl udi ng t hose f r om Cont r act or ' s suppl i er s) f l uent i n t he Engl i sh l anguage who i s knowl edgeabl e and exper i enced wi t h t he i nst al l at i on and st ar t - up pr ocedur es f or oi l wat er separ at or s and t he associ at ed equi pment speci f i ed. Submi t t he st ar t - up engi neer ' s qual i f i cat i ons. When so r equest ed, t he st ar t - up engi neer i s r esponsi bl e f or pr ovi di ng compl et e and cor r ect di r ect i on dur i ng i ni t i al st ar t i ng and subsequent oper at i on of t he oi l wat er separ at or s unt i l f i el d t est s ar e compl et ed. The st ar t - up engi neer i ni t i at es separ at or syst emi nst r uct i ons f or act i ons necessar y f or pr oper r ecei pt , i nspect i on, handl i ng, uncr at i ng, assembl y, and t est i ng of equi pment . The st ar t - up engi neer conduct s t r ai ni ng on t he oper at i on and mai nt enance f eat ur es of t he oi l wat er separ at or s. See SECTI ON 01 11 01. 00 28 SUPPLEMENTARY REQUI REMENTS, par agr aph TRAI NI NG.

PART 2 PRODUCTS

2. 1 MATERIALS

Use 1/ 4 i nch mi ni mum t hi ck car bon st eel conf or mi ng t o ASTM A36/ A36M or mat er i al havi ng equi val ent st r uct ur al pr oper t i es and cor r osi on r esi st ance f or separ at or , hopper s, st at i onar y and adj ust abl e wei r s, nozzl es, f l ow di st r i but or and ener gy di ssi pat or devi ce, bol t s, seal s, st i f f ener s, washer s, separ at or cover and nut s. Suppl y mi l l cer t i f i cat es, i ncl udi ng heat t r eat i ng number s and t r aceabi l i t y . At a mi ni mum, t he t ank must be bui l t t o t he UL 142 st andar ds, as appl i cabl e. Wel d i n accor dance wi t h AWS D1. 1/ D1. 1M t o pr ovi de wat er t i ght separ at or t hat wi l l not war p or def or m under l oad. Desi gn t he t ank t o be an i ndust r i al - dut y t ank. Ther e must be no def l ect i on gr eat er t han 1/ 16 i nch i n t he ent i r e l engt h or wi dt h of t he t ank as compar ed t o t he t ank' s empt y condi t i on t o i t s oper at i ng condi t i on. Use wel der s qual i f i ed i n accor dance wi t h AWS St andar d Qual i f i cat i on Pr ocedur e. Bef or e t he f abr i cat i on st ar t s, submi t wel der s ' qual i f i cat i ons t o engi neer f or r ecor d pur poses. Gr i nd wel ds smoot h and r emove wel d spat t er . Round al l shar p edges and ot her ar eas on bot h t he i nt er i or and ext er i or of t he t ank per SSPC SP 10/ NACE No. 2 r ecommendat i ons f or pr oper pr epar at i on f or coat i ng. Gr i nd wel ds smoot h and r emove wel d spat t er . Fabr i cat e f r ee of k i nks and shar p bends i n a manner not t o r educe t he st r engt h of st eel t o a val ue l ess t han t hat i nt ended by t he desi gn.

Si ze and shape of bends shal l be uni f or m. Cl ean and f i ni sh st eel sur f aces as descr i bed i n par agr aph ent i t l ed " Separ at or Cor r osi on Pr ot ect i on. "

2. 1. 1 Separ at or Cor r osi on Pr ot ect i on

2. 1. 1. 1 St eel Separ at or

Af t er shop conduct ed hydr ost at i c t est s have been successf ul l y compl et ed, pr ovi de a MI L- DTL- 24441 coat i ng syst em t o t he i nt er i or and ext er i or sur f aces of t he separ at or . Pr i or t o shop pai nt i ng, abr asi ve bl ast c l ean t he sur f aces i n accor dance wi t h SSPC SP 10/ NACE No. 2 t o a sur f ace pr of i l e of a r ange as r ecommended by t he appr oved coat i ng manuf act ur er . Appl y pr i mer conf or mi ng t o MI L- DTL- 24441/ 1, For mul a 150 appl i ed t o a mi ni mum dr y f i l m t hi ckness of 0. 075 t o 0. 10 mm 3 t o 4 mi l s. Appl y i nt er medi at e coat conf or mi ng t o MI L- DTL- 24441/ 2, For mul a 151 appl i ed t o a mi ni mum dr y f i l m t hi ckness of 0. 075 t o 0. 10 mm 3 t o 4 mi l s. Appl y t opcoat conf or mi ng t o MI L- DTL- 24441/ 3, For mul a 152 appl i ed t o a mi ni mum dr y f i l m t hi ckness of

0. 075 t o 0. 10 mm 3 t o 4 mi l s. Tot al dr y f i l m t hi ckness shal l not be l ess t han 0. 23 mm 9 mi l s. Repai r and r epl ace ar eas of t he coat i ng syst em whi ch ar e f ound t o be damaged or def ect i ve upon del i ver y of equi pment t o t he s i t e or f ound t o be def ect i ve due t o wor k of t he appl i cat or . An i nt er i or pol yt et r af l uor oet hyl ene l i ner wi t h a mi ni mum t hi ckness of 3 mm 1/ 8 i nch may be pr ovi ded i n l i eu of pai nt coat i ng t he i nt er i or separ at or sur f aces.

I nt er i or coat i ngs must pass a f act or y 100 per cent hol i day t est bef or e shi pment . Document at i on of t est i ng must be par t of t he f i nal QA documentation.

2. 1. 2 I nt er nal Sur f aces

Par al l el pl at e mat er i al and or i ent at i on shal l enhance oi l coal escence and sol i ds r emoval , and be cor r osi on and chemi cal l y r esi st ant t o t he oi l - i n- wat er mi xt ur e .

2. 1. 3 Hardware

Bol t s, st i f f ener s, washer s, nut s, scr ews, pi ns, and f i t t i ngs as r equi r ed shal l be cor r osi on r esi st ant . Pr ovi de mat er i al s t hat ar e i nher ent l y cor r osi on r esi st ant .

2. 1. 4 Accessibility

Use separ at or s wi t h an open t op or compl et el y r emovabl e cover s. Use open t op separ at or s wi t h r emovabl e gr at i ng unl ess ot her wi se shown. Use t op cover and gr at i ng t hat i s easi l y r emovabl e by t wo per sons. I n addi t i on t o cover s, as a mi ni mum pr ovi de access/ i nspect i on hat ches over t he f ol l owi ng ar eas:

par al l el pl at es, oi l s t or age compar t ment s, i nf l uent sampl i ng ar ea, ef f l uent sampl i ng ar ea, oi l sk i mmer , l evel devi ces and wei r s. Par t s subj ect t o wear or r equi r i ng adj ust ment , i nspect i on, c l eani ng or r epai r must be accessi bl e and capabl e of conveni ent r emoval when r equi r ed.

2. 2 SEPARATI ON CHAMBER

Pr ovi de adequat e suppor t f or addi t i onal l oadi ngs f r om separ at or appur t enances i ncl udi ng wei r s, hopper s, i nt er nal suppor t s, par al l el pl at e oi l coal escer s, access pl at f or ms, equi pment t r anspor t at i on, and r api d l ower i ng and br aki ng of l oad dur i ng handl i ng oper at i ons. Bol t separ at or and accessor i es t o wel d- f abr i cat ed, ski d base, or mount on manuf act ur er ' s st andar d base.

2. 2. 1 Li f t i ng Mechani sm

Fi t separ at or wi t h l i f t i ng l ugs f or handl i ng and i nst al l at i on. Hal f of t he t ot al number of l ugs must car r y t he t ot al dr y wei ght of t he separ at or and at t endant appur t enances. Pr omi nent l y di spl ay l i f t i ng i nst r uct i ons on engr aved pol ycar bonat e pl at es l ocat ed on t wo ext er i or s i des of t he separ at or near t he l i f t i ng poi nt s. The separ at or shal l be capabl e of bei ng l i f t ed on- end t o al l ow a cr ane t o l ower t hr ough a 6' x 10' hat ch.

2. 2. 2 Flanges

Use onl y f l at f ace f l anges and dr i l l 150 pound ANSI St andar d bol t c i r c l e and r emove bur r s. Use f l anged pi pi ng connect i ons t hat conf or m t o ASME B16. 5, wel di ng neck t ype.

2. 2. 3 Weirs

At t ach st at i onar y wei r s and adj ust abl e wei r suppor t s t o separ at or s i de wal l s t o pr ovi de a wat er t i ght seal bet ween adj oi ni ng compar t ment s and t r ough t o pr event hydr aul i c shor t - c i r cui t i ng. Use No. 304L st ai nl ess st eel f or wei r pl at es and har dwar e. Pr ovi de shar p cr est ed wei r s of s i ze and sect i on speci f i ed by manuf act ur e. Pr ovi de s l ot t ed hol es i n wei r pl at es and baf f l es or suppor t s t o per mi t hor i zont al and ver t i cal adj ust ment of wei r or baf f l e. Use Buna- N or Vi t on gasket s of a mi ni mum t hi ckness of 3/ 16" f or maki ng wei r pl at es wat er t i ght . Bol t s f or adj ust abl e wei r pl at es must be 1/ 2" t hi ck st ai nl ess st eel and must be on cent er s no gr eat er t han 4. 5" .

Wei r pl at es must be er gonomi cal l y desi gned wi t h handl es on each end f or ease i n adj ust ment by oper at or . Wei r pl at e and baf f l e must be wat er t i ght wi t hout use of any seal ant and wi t h a maxi mum of 5 f t - l bs of t or que on each bolt.

2. 2. 4 Low Poi nt and Sl udge Dr ai ns

Pr ovi de means at l ow poi nt s f or dewat er i ng separ at or . Dr ai ns shal l be 2 i nch NPS. Al l dr ai n pi pi ng and f i t t i ngs must be No. 304L st ai nl ess st eel .

The separ at or s l udge hol di ng chamber must have a capaci t y of not l ess t han 450 gal l ons. St or age chamber s must have t he same i nt er i or coat i ng and pr epar at i on as t he coal escer compar t ment .

2. 2. 5 I dent i f i cat i on Pl at es

Pr ovi de st ai nl ess st eel i dent i f i cat i on and i nst r uct i on pl at es and st amp necessar y dat a. Secur el y af f i x pl at es, i n pr omi nent l ocat i on, t o separ at or wi t h nonf er r ous scr ews or bol t s of not l ess t han 1/ 8 i nch i n di amet er .

2. 2. 6 I nst r uct i on Pl at es

I nst r uct i on pl at es shal l descr i be speci al or r equi r ed pr ocedur es t o oper at e and ser vi ce equi pment , and shal l i ncl ude war ni ngs of hazar dous pr ocedur es and not i ce of saf et y and heal t h r equi r ement s. Pl at es shal l be dur abl e and l egi bl e t hr oughout equi pment l i f e.

2. 3 I NLET COMPARTMENT AND SOLI DS SETTLI NG CHAMBER

Pr ovi de non- cl oggi ng f l ow di st r i but or and ener gy di ssi pat or devi ce and t he pr i mar y sol i ds col l ect i on hopper as speci f i ed i n par agr aph ent i t l ed " Reduct i on of Sol i ds" . Speci f i cal l y , separ at or desi gn must pr ovi de a di st i nct i nl et compar t ment desi gned t o equal i ze f l ow vel oci t y and t ur bul ence. Tot al vol ume of i nl et compar t ment must not be l ess t han 400 gal l ons. Ther e must be a r emovabl e t wo- st age di st r i but i on baf f l e bet ween t he i nl et chamber and t he sol i ds set t i ng compar t ment wi t hi n t he separ at or .

The t wo- st age baf f l e must ef f i c i ent l y spr ead t he f l ow evenl y f r om t he i nl et compar t ment t o t he sol i ds set t i ng chamber so t hat t he vel oci t y t hr oughout t he set t i ng chamber i s equal i zed. The baf f l e must be easi l y r emoved wi t hout havi ng t o r emove l i qui d f r om t he separ at or ' s oper at i ng l evel or wi t hout per sonnel ent er i ng t he separ at or . Thi s baf f l e must be of met al mat er i al s t hat ar e i nher ent l y cor r osi on r esi st ant , such as 304L st ai nl ess st eel , and not mer el y t r eat ed wi t h a cor r osi on- r esi st ant coat i ng.

Pr ovi de an i nl et chamber of suf f i c i ent vol ume t o ef f ect i vel y r educe i nf l uent set t l eabl e sol i ds. Locat e an adj ust abl e, pr i mar y sur f ace oi l over f l ow wei r on t he down- f l ow si de of t he coal escer and t he sampl e por t s as r ecommended by t he manuf act ur er .

2. 4 OI L SEPARATI ON COMPARTMENT

2. 4. 1 General

The maxi mum sur f ace l oadi ng r at e f or t he oi l separ at i on compar t ment shal l be

0. 30 gal l ons per day per squar e f oot . The separ at or shal l al so pr ovi de a mi ni mum det ent i on t i me wi t hi n t he oi l separ at i on compar t ment of 2 mi nut es at desi gn f l ow. Det ent i on t i me wi l l comput ed by cal cul at i ng t he vol ume of t he separ at i on zone wi t hi n t he separ at or and di v i di ng t hi s vol ume by t he desi gn f l ow r at e. For comput i ng det ent i on t i me, t ot al vol ume shal l be r educed by 20 per cent f or t he space occupi ed by set t l ed sol i ds ( sedi ment ) and accumul at ed oi l at t he sur f ace. The maxi mum f l ui d vel oci t y t hr ough t he pl at e ar ea shal l be 2 f t / mi n. The maxi mum Reynol ds number shal l be 310.

The mi ni mum r i se r at e not t o exceed 0. 55 i n/ mi n. The mi ni mum oi l dr opl et capt ur e capabi l i t y wi t hi n t he pr i mar y coal escer shal l be 60 mi cr ons at 0. 90 speci f i c gr avi t y , 70 degr ees F. Cal cul at i ons shal l be f or t he pr i mar y coal escer onl y. Al l cal cul at i ons shal l i ncor por at e l ost ef f i c i ency f or pl at e t hi ckness, f r ames and al l ot her ar eas of i nef f i c i ency wi t hi n t he coal escer syst em.

2. 4. 2 Par al l el Pl at es

a. Pr ovi de f l at , par al l el pl at es wi t hi n t he coal escer at an angl e f r om 55 t o 60 degr ees wi t h r espect t o l ongi t udi nal hor i zont al axi s of t he pl at es and space not l ess t han 1 i nch apar t f or r emoval of f r ee oi l and set t l eabl e sol i ds. Coal escer pl at es must be f l at on bot h s i des. Fl at pl at e coal escer must be i n a cr oss- f l ow conf i gur at i on and must not pr omot e sol i ds bui l dup on pl at es whi ch woul d i ncr ease vel oci t i es t o poi nt of di schar gi ng an ef f l uent of unaccept abl e qual i t y . Mai nt ai n l ami nar f l ow at maxi mum desi gn f l ow r at e t hr oughout pl at e packs i ncl udi ng ent r ance and exi t so as t o pr event r e- ent r ai nment of oi l or sol i ds wi t h wat er . Fl ow t hr ough pl at e packs must be i n a cr oss- f l ow mode, per pendi cul ar t o pl at es so t hat t he oi l col l ect s wi t hi n and coal esces at hi gh poi nt of t he pl at es and r i ses t o t op of pack wi t hout cl oggi ng f r om oi l or set t l eabl e sol i ds. The pr i mar y coal escer must be desi gned f or a mi ni mum ef f ect i ve pr oj ect ed sur f ace ar ea of 500 squar e f eet . Onl y one s i de of t he pl at e may be count ed i n t he t ot al of t he pr oj ect ed sur f ace ar ea t ot al .

b. The pr i mar y pl at e coal escer must be a compl et el y r emovabl e uni t wi t h a pl ur al i t y of f l at , smoot h par al l el - pl at es wi t hi n t he assembl y. The pl at e syst em must be r emovabl e wi t hout havi ng t o dr ai n down t he separ at or or wi t hout ent er i ng t he separ at or . The ent i r e coal escer must be abl e t o be r emoved i n par t , or i n whol e, ver t i cal l y wi t hout any obst r uct i ons or r equi r i ng non- ver t i cal movement . The pl at e syst em must be cr oss- f l ow ( non- count er cur r ent ) . The pl at e wi dt h di mensi ons, f r om t he ent r y v i ew, must not t o exceed 24" . Each pl at e di mensi ons i n t he f l ow di r ect i ons must be a mi ni mum of 48" l ong. Pl at es shor t er t han 48" t o make up t he f ul l l engt h of t he coal escer shal l not be per mi t t ed. At no poi nt shal l any sol i ds or oi l par t i c l es have t o t r avel mor e t han 24" t o exi t any of t he coal escer pl at es. Pl at e spaci ng must have a nomi nal uni f or m ver t i cal gap of no l ess t han 1" .

c. Each i ndi v i dual coal escer pl at e must be f l at on bot h s i des and be easi l y r emovabl e i n t he f i el d, al l owi ng f ut ur e f i el d adj ust ment capabi l i t y of pl at es, per mi t t i ng cust om modi f i cat i ons of t he coal escer ' s pl at e gap. Mi ni mum f i el d pl at e gap capabi l i t y shal l be a nomi nal 1/ 2" i nch.

d. The coal escer assembl y must have i nt egr al ar eas consi st i ng of baf f l ed qui et zones pr ovi di ng l ow vel oci t y ar eas dedi cat ed ent i r el y f or oi l r i s i ng and separ at el y f or sol i ds set t l i ng. Qui escent zones must be 4" wi de and must be t he f ul l f l ow l engt h of t he coal escer . The pl at e f r ames must be const r uct ed of 1/ 8" t hi ck No. 304L st ai nl ess st eel st r uct ur al angl es. The coal escer packs shal l not r equi r e any hol d down devi ces such as st r aps, bol t s , channel suppor t s, cabl es, et c. t o st ay i n pl ace.

e. The coal escer must have Nyl on or Tef l on seal i ng st r i ps, bot h f r ont and back of coal escer , t o pr event hydr aul i c l eaks bet ween t he coal escer s and t he t ank wal l . Caul k i ng t o seal coal escer i s not acceptable.

f . St acki ng of coal escer s i s not accept abl e. Each coal escer must be f ul l hei ght . The hei ght of t he separ at or and coal escer wi t h a 3" mi ni mum gap bet ween t he t wo must not exceed 21' . Any coal escer s s i t t i ng si de- by- si de must be abl e t o be bol t ed t oget her so t hat t hey can be l i f t ed out i n one pi ece f or ease of c l eani ng and mai nt enance.

2. 4. 2. 1 Coal escer Pl at e Mat er i al s of Const r uct i on

Coal escer pl at e mat er i al must be i nher ent l y cor r osi on r esi st ant , not mer el y t r eat ed wi t h a cor r osi on- r esi st ant mat er i al . Coal escer pl at es must meet t he f ol l owi ng speci f i cat i on r equi r ement s:

a. Must be no mor e t han 0. 75 pounds per squar e f oot .

b. Must be no l ess t han 0. 060 i nches i n t hi ckness.

c. Must have a sur f ace pol i shed f i ni sh equal or bet t er t han a 4B finish.

d. Must have no adver se st r uct ur al ef f ect at 250F.

e. Must not exhi bi t " pl at e saggi ng" at 200F.

f . Must have a wat er absor pt i on of l ess t han 0. 1% i n 24 hour s. (

g. Must have an " excel l ent " cor r osi on r at i ng f or pet r ol eum hydr ocar bon f uel s, i ncl udi ng j et f uel , No. 2 f uel oi l , No. 6 f uel oi l and gasol i ne.

h. Must have an " excel l ent " cor r osi on r at i ng f or pH r ange of 2- 12.

2. 4. 2. 2 Coal escer Desi gn Ef f i c i ency

a. Pr ovi de oi l / wat er separ at or t o handl e a maxi mum f l ow r at e as l i s t ed above wi t h non- emul si f i ed i nsol ubl e hydr ocar bons not t o exceed 100, 000 mg/ l ( 10 per cent ) wi t h a speci f i c gr avi t y of up t o 0. 90.

b. The pr i mar y coal escer wi t hi n each oi l / wat er separ at or must st r i c t l y adher e t o t he f ol l owi ng per f or mance cr i t er i a. Desi gn ef f i c i ency must be based on a 150 gpm f l ow r at e wi t h r emoval of oi l dr opl et s of 10 per cent di f f er ent i al f r om t he car r i er l i qui d at 70F:

( 1) Maxi mum aver age f l ui d vel oci t y t hr ough pl at e ar ea: 1. 9 f t . / mi n.

( 2) Mi ni mum aver age det ent i on t i me i n pl at e ar ea: 2 mi n.

( 3) Mi ni mum t ot al pr oj ect ed pl at e sur f ace ar ea ( one si de) : 500 sq.ft.

( 4) Maxi mum sur f ace l oadi ng ( gal l ons/ pr oj ect ed squar e f oot at desi gn f l ow r at e) : 0. 30

( 5) Maxi mum Reynol d' s number : 350.

( 6) Mi ni mum r i se r at e ( ver t i cal pl at e gap/ det ent i on t i me, must not exceed: 0. 50 i n. / mi n.

( 7) Oi l dr opl et capt ur e capabi l i t y at desi gn f l ow r at e, wi t hi n t he pr i mar y coal escer per St okes Law shal l be t o r emove al l 60 mi cr ons dr opl et s havi ng 0. 9 speci f i c gr avi t y ( wi t h t he wast ewat er havi ng a speci f i c gr avi t y of 1. 0) at 70F.

2. 4. 3 Supports

Br ace and suppor t i ndi v i dual pl at es or pl at e packs t o wi t hst and l oads associ at ed wi t h t r anspor t at i on and oper at i on of uni t s, i ncl udi ng i npl ace c l eani ng. Equi p each pl at e pack wi t h l i f t i ng l ugs or ot her at t achment s f or handl i ng and i nst al l at i on. Pr ovi de adequat e st r uct ur al suppor t s t o f aci l i t at e i npl ace c l eani ng of pl at e pack bundl es. Coal escer l i f t i ng handl es must be a sel f - cent er i ng desi gn.

2. 4. 4 Baffles

Pr ovi de oi l r et ent i on baf f l e and an adj ust abl e sur f ace oi l over f l ow devi ce t o r emove f l oat i ng oi l f r om coal escer compar t ment . Posi t i on under f l ow baf f l e t o pr event r esuspensi on of sol i ds t hat have accumul at ed i n secondar y sol i ds hopper . Pr ovi de a r emovabl e ef f l uent f l ow di st r i but i on baf f l e bet ween t he coal escer and t he oi l r et ent i on baf f l e. The f l ow di st r i but i on baf f l e shal l be i nher ent l y cor r osi on r esi st ant met al .

2. 5 OUTLET COMPARTMENT

Pr ovi de out l et compar t ment , an adj ust abl e over f l ow ef f l uent wei r and out l et nozzl es. Adj ust abl e wei r pl at e must be 1/ 2" t hi ck No. 304L st ai nl ess st eel and must be f ul l wi dt h of t he coal escer compar t ment . Wei r must have a 3/ 16" or t hi cker gasket of Buna- N or Vi t on. Wei r pl at e must have 1/ 2" st ai nl ess st eel bol t s not mor e t han 4. 5" on cent er s f r om each ot her . Wei r pl at e must have a mi ni mum of 2. 75" ver t i cal adj ust ment capabi l i t y . Wei r pl at e must have a 3/ 16" s i de- t o- s i de adj ust ment capabi l i t y t o ai d i n l evel i ng wei r pl at e.

2. 6 ACCESSORI ES AND ACCESSORY EQUI PMENT

Pr ovi de bol t s, s t i f f ener s, washer s, nut s, scr ews, pi ns, gasket s, and f i t t i ngs as r equi r ed f or adj ust abl e wei r s, separ at or cover s and par al l el pl at e packs.

An adj ust abl e oi l sk i m pi pe shal l be pr ovi ded t o aut omat i cal l y r emove oi l .

Ski m pi pe shal l be s i zed t o handl e by gr avi t y, t he t ypi cal hydr aul i c pot ent i al of t he oi l t hat wi l l ent er t he separ at or .

Pr ovi de a l evel pr obe t o sense t he oi l / wat er i nt er f ace l evel and t he hi gh l i qui d l evel . The l evel sensi ng syst em shal l be pr ovi ded compl et e wi t h a cont r ol panel , and audi o/ v i sual war ni ng al ar m. Pr ovi de l ow l i qui d l evel i ndi cat or i n OWS mai n chamber . The l evel swi t ches and panel shal l be r at ed i nt r i nsi cal l y saf e. The uni t shal l have c i r cui t t est , al ar m si l ence but t ons and a r emot e r el ay. The cont r ol panel shal l be r at ed NEMA 4.

Pr ovi de a wal l mount ed j i b cr ane and t r ol l ey hoi st syst em f or l i f t i ng t he coal escer packs f or ease of mai nt enance f or each of t he t wo oi l wat er separ at or s. The cr ane syst em shal l meet t he r equi r ement s of EM 385- 1- 1.

Each cr ane syst em shal l be Abel l - Howe Cr anes model J- 900 wi t h Chest er Hoi st model 1312- 1 1/ 2 or appr oved equi val ent wi t h t he f ol l owi ng sal i ent characteristics:

a. The j i b cr ane shal l be s i zed t o meet t he l oad r at i ng ( about 1.5 t on) and span 10 f eet t o al l ow t he coal escer pack t o be l i f t ed and cl eaned whi l e suspended above t he t ank.

b. Pr ovi de har dwar e t o mount t he j i b cr ane t o concr et e i n accor dance wi t h t he manuf act ur er ' s i nst r uct i ons. +

c. Cr ane abl e t o r ot at e 180 degr ees wi t h f ul l r at ed capaci t y wi t h f abr i cat ed st eel wal l br acket f i t t i ngs wi t h bear i ngs.

d. Cr ane pr eser ved wi t h pr i mer under f i ni sh yel l ow pai nt . Hoi st shal l have cor r osi on r esi st ant pai nt . Pai nt shal l be appl i ed by t he maanufacturer.

e. Hoi st shal l be spur gear ed.

f . Tr ol l ey shal l be hand gear ed.

g. Chai ns f or hoi st shal l be z i nc pl at ed and have a chai n cont ai ner .

Suppl y an aut omat i c el ect r o mechani cal " smoot h t ube" oi l sk i mmer t o be abl e t o cont i nuousl y r emove f l oat i ng oi l f r om t he coal esci ng sect i on of t he separ at or . Ski mmer must be 120V/ 1/ 60 and must be abl e t o r emove f l oat i ng oi l wi t h a f l oat i ng, f l exi bl e 3/ 4" OD ski mmer t ube. The ski mmer wi l l have an i nt egr al decant er syst em t o r emove oi l t o t he oi l - hol di ng t ank and t o di r ect any decant ed wat er back t o t he coal escer compar t ment . The decant er must be a mi ni mum of 25 gal l on capaci t y and must have an adj ust abl e oi l wei r assembl y and a s l oped bot t om f or ef f i c i ent r emoval of sol i ds t hat set t l e out .

Pr ovi de t en ( 10) cust om coal escer c l eani ng br ushes f or c l eani ng coal escer pl at e packs. Pr ovi de br ushes t hat ar e r ecommended by t he Oi l Wat er Separ at or Manuf act ur er .

Pr ovi de an el ect r i c heat ed pr essur e washer ( sal i ent char at er i st i cs: 2. 2 GPM, 1300 PSI , 2HP 115V/ 1PH, 3 YR war r ant y, Hot sy 500 ser i es or equi val ent ) f or per i odi c mai nt enance t o c l ean t he par al l el pl at es.

Pr ovi de a l adder and wor k access pl at f or m f or each oi l wat er separ at or .

The wor k pl at f or m shal l be conf i gur ed as shown on t he dr awi ngs and l ocat ed near t he pi pe gal l er y wal l ( not e t he 6" wi de gut t er t hat r uns adj acent t o t he pi pe gal l er y wal l ) . The f ol l owi ng sal i ent char act er i st i cs appl y:

SECTI ON 46 25 14. 00 28

g4ecdbas Line

a. Must compl y wi t h EM 385- 1- 1.

b. Desi gned t o suppor t 1000 l bs.

c. Fl oor sur f ace shal l be st ai nl ess st eel banded non sl i p gr at i ng.

d. Handr ai l s shal l be powder coat ed yel l ow, and st eel suppor t st r uct ur e shal l be powder coat ed gr ay. St ai nl ess st eel need not be pai nt ed.

e. The passage t hr ough t he r ai l i ng at t he t op of t he l adder shal l have a swi ng gat e t o pr event per sonnel f r om wal k i ng di r ect l y i nt o t he opening.

f . Al l wel di ng and wel d i nspect i ons shal l be i n accor dance wi t h AWS D1.1.

g. The f i nal desi gn shal l be r evi ewed by a Pr of essi onal Engi neer and st amped f or appr oval . Submi t t he desi gn f or t he wor k pl at f or m and desi gn cal cul at i ons f or l oadi ng suppor t .

Pr ovi de an i ndust r i al cur t ai n syst em f or each oi l wat er separ at or syst em t o pr ot ect sur r oundi ng equi pment and per sonnel f r om over spr ay dur i ng pr essur e washi ng mai nt enance. Pr ovi de manuf act ur er ' s r ecommended mount i ng har dwar e t hat at t aches t he cur t ai n syst em t o t he cei l i ng al l owi ng adequat e r oom f or access and mai nt enance. Pr ovi de a f our s i ded l ayout t hat sur r ounds each t ank wi t h ei ght ( 8) _f oot t al l cur t ai ns t hat ext end about f i ve ( 5) f eet above t he t op of t he separ at or t ank down t o t he deck of t he wor k pl at f or m.

Cur t ai ns shal l be made by Akon Cur t ai n and Di v i der or equi val ent and shal l have t he f ol l owi ng sal i ent physi cal , f unct i onal , or per f or mance char act er i st i cs an equal i t em must meet t o be accept abl e:

Dur abl e 18oz v i nyl r ei nf or ced cur t ai n wi t h a pol yest er mesh scr i m Cl ear 20mi l v i ny l v i s i on panel t o al l ow a l i gn of s i ght Meets NFPA 701 st andar ds.

16 gauge gal vani zed st eel t r ack Hemmed edges.

Chemi cal l y r esi st ant

2. 7 FABRICATION

Pr ovi de shop f abr i cat ed, ski d mount ed oi l - wat er separ at or , or ot her shop f abr i cat ed uni t appr oved by t he Cont r act i ng Of f i cer , whi ch i s compr i sed of a separ at or cont ai ni ng an i nl et compar t ment , f ul l f l ow- l engt h s l udge chamber , post - coal escer di st r i but i on baf f l e, ef f l uent wei r and adj ust abl e baffle.

2. 7. 1 Shop Hydr ost at i c Test

Per f or m hydr ost at i c t est at at mospher i c pr essur e by f i l l i ng each separ at or compar t ment wi t h wat er i n t he shop f or a mi ni mum of 24 hour s. Test i ng shal l be conduct ed af t er al l seams have been cl eaned and al l wel ds have been i nspect ed i n accor dance wi t h ASTM E165/ E165M. Accept ance cr i t er i a, f or t he hydr ost at i c t est , i s no l eakage af t er 24 hour s usi ng a t hor ough vi sual i nspect i on f or t he l eaks.

2. 7. 2 Reduct i on of Sol i ds

I nl et compar t ment shal l r educe set t l eabl e sol i ds t o noncl oggi ng l evel f or par al l el pl at es and pr ovi de a uni f or m oi l y wast ewat er hydr aul i c l oadi ng acr oss i nl et ent r y ar ea of oi l coal esci ng compar t ment , under l ami nar f l ow condi t i ons. Equi p compar t ment wi t h an i nl et nozzl e wi t h wast ewat er sampl i ng por t , noncl oggi ng f l ow di st r i but or and ener gy di ssi pat or devi ce as descr i bed i n par agr aph I NLET COMPARTMENT AND SOLI DS SETTLI NG CHAMBER.

2. 7. 3 Oi l Coal esci ng Compar t ment

Equi p oi l coal esci ng compar t ment wi t h easi l y r emovabl e and r ei nst al l abl e, par al l el f l at pl at e coal escer syst em ar r anged t o opt i mi ze separ at i on of f r ee oi l f r om l i qui d car r i er . Use par al l el pl at es t hat ar e easi l y r emovabl e wi t hout di smant l i ng packs and wi t hout conf i ned space ent r y. Pr ovi de adj ust abl e sur f ace oi l over f l ow wei r wi t h t r ough, oi l out l et nozzl e and st at i onar y under f l ow baf f l e, oi l r et ent i on baf f l e posi t i oned t o pr event di schar ge of f r ee oi l t hat has been separ at ed f r om t he car r i er l i qui d i n i nl et and oi l coal esci ng compar t ment s. Pr ovi de access t o each pl at e pack f r om t op. Each bundl e shal l be equi pped wi t h sel f - l evel i ng handl es or l i f t i ng r i ngs. Pl at e desi gns t hat onl y al l ow cl eani ng of pl at e packs i n pl ace ar e not accept abl e.

2. 7. 4 Wast ewat er Sampl i ng Por t

Equi p i nl et and out l et compar t ment s, adj ust abl e over f l ow ef f l uent wei r , ef f l uent t r ough, and wast ewat er out l et nozzl e wi t h wast ewat er sampl i ng por t s per mi t t i ng easy access f or obt ai ni ng i soki net i c i nf l uent and ef f l uent samples.

2. 7. 5 Connections

Connect t he separ at or at t he i nl et and out l et pi pe i nver t el evat i ons i ndi cat ed. Fol l ow equi pment manuf act ur er ' s r ecommendat i on f or set t i ng and adj ust i ng t op of wei r el evat i ons t hr oughout uni t .

2. 7. 6 Oi l St or age Tank

Pr ovi de oi l and suspended sol i ds col l ect i on, st or age, and t r ansf er syst ems as par t of pr oposed oi l - wat er separ at or syst em. One 320 gal l on st or age t ank appr oxi mat el y 4' di amet er and 5' t al l shal l be pr ovi ded t o col l ect t he oi l and supsended sol i ds f r om each of t he t wo oi l wat er separ at or s. The st or age t ank shal l have t he f ol l owi ng sal i ent char act er i st i cs:

Cent r i f ugal l y cast f i ber gl ass doubl e- wal l t ank manuf act ur ed by Desi gn Tanks or appr oved equal .

Manuf act ur ed i n accor dance wi t h ASTM D4097 t o cont ai n t ur bi ne oi l .

A hi gh l evel l i qui d det ect i on syst em as speci f i ed i n SECTI ON 26 20 00. 00 28

I NTERI OR DI STRI BUTI ON SYSTEM.

A t op mount ed l i qui d l evel gauge t o measur e t he l i qui d hei ght .

St ai nl ess st eel heavy dut y hol d down l ugs wi t h 7/ 8" mount i ng hol es, sei smi c r at ed at a mi ni mum of 2000 l bs each.

Addi t i onal pi pi ng connect i ons:

1- 1/ 4" out l et f l ange wi t h pi pi ng t o bot t om f or pumpi ng down t ank 1- 1/ 4" i nl et f l ange at t op of t ank 2" NPT hal f coupl i ng wi t h PVC pl ug 16" pol ypr opyl ene t hr eaded f i l l wel l 2" U- t ype vent wi t h i nsect scr een 2" coni cal gusset ed f l ange i nl et ( 2x) 1" FNPT hal f coupl i ng f or l eak det ect i on and vent i ng of secondar y t ank

PART 3 EXECUTI ON

3. 1 INSPECTION

The gover nment shal l i nspect each component of separ at or f or compl i ance wi t h r equi r ement s speci f i ed i n PART 2 PRODUCTS. Redesi gn or modi f i cat i on of equi pment t o compl y wi t h speci f i ed r equi r ement s, or necessar y r edesi gn or modi f i cat i on f ol l owi ng f ai l ur e t o meet speci f i ed r equi r ement s, shal l r ecei ve par t i cul ar at t ent i on f or adequacy and sui t abi l i t y . Thi s el ement of i nspect i on shal l encompass v i sual exami nat i ons and di mensi onal measur ement s.

Noncompl i ance wi t h speci f i ed r equi r ement s, or pr esence of one or mor e def ect s pr event i ng or l esseni ng maxi mum ef f i c i ency of separ at or oper at i on, shal l const i t ut e cause f or r ej ect i on.

3. 2 FI ELD QUALI TY CONTROL

3. 2. 1 Fi el d Hydr ost at i c Test

Af t er separ at or has been i nst al l ed i n accor dance wi t h manuf act ur er ' s i nst r uct i ons, t he gover nment shal l l evel ef f l uent over f l ow wei r at el evat i on speci f i ed by manuf act ur er and hydr ost at i cal l y t est uni t at at mospher i c or oper at i onal pr essur e ( f or no l eakage) f or an addi t i onal 8 hour s by f i l l i ng wi t h wat er . Leakage shal l be cause f or r ej ect i on.

3. 2. 2 Pr eoper at i onal Test

The manuf act ur er ' s st ar t - up engi neer shal l i nspect , oper at e, and t est uni t bef or e i n- ser vi ce t est i ng by t he gover nment .

3. 2. 2. 1 Tests

Test s shal l i ncl ude but not be l i mi t ed t o t he f ol l owi ng:

a. Soundness ( wi t hout cr acked or ot her wi se damaged par t s) .

b. Compl et eness i n al l det ai l s , as speci f i ed.

c. Cor r ect ness of set t i ng, al i gnment , and r el at i ve ar r angement of each component.

d. Ver i f i cat i on of pr oper oper at i on f or al l syst em component s.

e. Hol i day t est i ng of i nt er i or coat i ng. Tank must pass a 100 per cent l ow- vol t age hol i day t est . Coat i ng must be r epai r ed as needed t o meet 100 per cent hol i day- f r ee t est i ng.

3. 2. 2. 2 Pr eoper at i onal I nvest i gat i on and Test Repor t

Submi t manuf act ur er ' s ser vi ce r epr esent at i ve' s pr eoper at i onal t est r epor t .

Document i nspect i ons, oper at i ons, adj ust ment s, and t est s per f or med and i ndi cat e whet her t hey wer e accept abl e or not . For unaccept abl e i t ems, descr i be cor r ect i ve act i on t aken or r ecommended. I ncl ude det ai l ed descr i pt i ons of poi nt s i nspect ed, t est s and adj ust ment s made, quant i t at i ve r esul t s obt ai ned i f such ar e speci f i ed, and suggest i ons f or pr ecaut i ons t o be t aken t o ensur e pr oper mai nt enance. I ncl ude t he manuf act ur er ' s cer t i f i cat e t hat equi pment conf or ms t o speci f i ed r equi r ement s and i s r eady f or per manent oper at i on and t hat not hi ng i n i nst al l at i on wi l l r ender manuf act ur er ' s war r ant y nul l and voi d.

3. 2. 3 I n- Ser vi ce Test

The gover nment shal l accompl i sh i n- ser vi ce t est i ng i n accor dance wi t h t he f ol l owi ng and t he t est i ng i nst r uct i ons f r om t he st ar t - up engi neer .

Af t er hydr ost at i c t est and pr eoper at i onal t est have been successf ul l y compl et ed and uni t has been pr oper l y connect ed t o i nf l uent and ef f l uent pi pi ng, al l ow i nf l uent oi l - i n- wat er mi xt ur e pr evi ousl y descr i bed i n par agr aph ent i t l ed " SYSTEM DESCRI PTI ON" t o f l ow i nt o separ at or f i l l ed wi t h wat er . Adj ust and l evel sur f ace oi l over f l ow wei r s t o opt i mi ze oi l sk i mmi ng and mi ni mi ze wat er over f l ow t o oi l r ecover y. Opt i mi ze oper at i on of uni t wi t hi n 5 wor ki ng days. Oper at e uni t f or a mi ni mum of t en separ at or vol ume changes pr i or t o t est i ng f or r emoval of cont ami nant s and document t est i ng r esul t s.

3. 2. 3. 1 Anal yt i cal Met hods

Test and sampl e pr eser vat i on met hods f or t est cont ami nant s shal l be i n accor dance wi t h t he l at est r evi s i ons of AWWA 10084, APHA St andar d Met hods f or t he Exami nat i on of Wat er and Wast ewat er , EPA 600/ 4- 79/ 020, EPA Met hods f or Chemi cal Anal ysi s of Wat er and Wast es, or t hose subst i t ut e met hods appr oved by t he gover ni ng r egul at or y agenci es havi ng j ur i sdi ct i on.

3. 2. 3. 2 Test f or Cont ami nant s

Ver i f y t he separ at or ef f i c i ency by t est i ng i nf l uent and ef f l uent f or cont ami nant s descr i bed i n par agr aph ent i t l ed " Per f or mance Requi r ement s. " I f ef f l uent qual i t y i s f ound t o be unaccept abl e, t hen ver i f y i nf l uent t o ef f l uent per f or mance i n par t i c l e s i ze r emoval at t he s i t e. Test s shal l be per f or med by an i ndependent cer t i f i ed t est i ng l abor at or y.

3. 2. 3. 3 Sampl i ng Pr ocedur es

Wi t hi n an 8 hour per i od and at r egul ar i nt er val s col l ect a mi ni mum of 10 i nf l uent and ef f l uent sampl es f r om sampl i ng por t s pr ovi ded as par t of t he separ at or . Pur ge each sampl i ng por t t o r emove bui l t - up sol i ds or ot her mat er i al pr i or t o col l ect i ng sampl e. Col l ect wast ewat er sampl es i soki net i cal l y i n c l ean gl ass cont ai ner s wi t h pol yt et r af l uor oet hyl ene l i ned caps. Col l ect dupl i cat e wast ewat er sampl es i n separ at e gl ass cont ai ner s.

Do not at t empt t o spl i t sampl e. Use cont ai ner s f or ot her cont ami nant s as r ecommended i n r ef er ences l i s t ed i n par agr aph ent i t l ed " Anal yt i cal Met hods. "

3. 2. 3. 4 Accept ance Cr i t er i a

90 per cent of t he ef f l uent sampl es t aken shal l not exceed t he speci f i ed dai l y maxi mum l i mi t f or gr ease and oi l cont ami nant s. The r emai ni ng sampl es shal l not exceed 15 mg/ L f or gr ease and oi l cont ami nant s. I f t he separ at or does not meet r equi r ement s of t hi s speci f i cat i on due t o poor wor kmanshi p and wr ong f abr i cat i on di mensi ons, t he uni t may be r ej ect ed. I f t he uni t i s not oper at i ng at desi gn ef f i c i ency 5 days af t er i nst al l at i on, Gover nment may r ej ect syst em. I n t he event Gover nment r ej ect s uni t , Cont r act or shal l r emove separ at or or def ect i ve component s and r epl ace wi t h accept abl e uni t or component s and t est as speci f i ed above.

- - End of Sect i on - -