A22 - SPEC_SOL-2024-09-11-HHS and Operating Machinery_AMD0005.pdf

AMEND. 0005

11 SEPTEMBER 2024

The following modifications are made to SECTION 35 01 41 and DRAWINGS 52M-543 and 56M-543.

SECTION 35 01 41

a. PAGES 11 - 15. Delete Section 35 01 41 Pages 11 – 15 in their entirety, and substitute therefore revised Section 35 01 41 pages 11 -15, Amendment 0005, dated 11 September 2024.

DRAWINGS (SUPERSEDED)

a. Revised drawings listed below are being issued with this Amendment.

Such revised drawings supersede those of the same sheet identification numbers listed in the INDEX OF DRAWINGS included in the set of drawings furnished with Solicitation No. No. W912EK24B0019, dated August 1, 2024.

SHEET 52M-543

SHEET 56M-543

ATTACHMENTS: Section 35 01 41 Pages 11 – 15 Drawings 52M-543, 56M-543

LaGrange Lock and Dam 1200-FT Lock W912EK24B0019 PI - HSS and Operating Machinery

2.4 SHAFTS

The sector shaft must be ASTM A564/A564M type 630, H1025 to the dimensions and tolerances indicated.

2.5 SECTOR ARM

Fabricate sector arm from steel forgings conforming to ASTM A668/A668M Class J. Machine sector arm to meet the dimensions, surface finish and tolerances indicated. Weight saving regions in the center do not require machining.

2.6 STRUT ARM

2.6.1 Casing

Fabricate casing from a casting conforming to ASTM A148/A148M Grade 80-50. Machine casing to meet the dimensions, surface finish and tolerances indicated. Any casting patterns developed become property of the Government and are to be packaged for long term storage with the pertinent part identification provided on the exterior packaging.

2.6.2 Buffer Yoke

Fabricate buffer yoke from a steel forging conforming to ASTM A668/A668M Class E. Machine buffer yoke to meet the dimensions, surface finish and tolerances indicated.

2.6.3 Sector Connection

Fabricate sector connection from a steel forging conforming to ASTM A668/A668M Class E. Machine sector connection to meet the dimensions, surface finish and tolerances indicated.

2.7 STRUCTURAL BASES AND SUPPORTS

Structural bases and supports including the support base and actuator frame are welded steel fabricated from steel conforming to ASTM A709/A709M Grade 36.

For specific requirements for welded structural steel bases, frames, and supports see Section 05 50 14 STRUCTURAL METAL FABRICATIONS.

2.8 PINTLE BUSHING AND CAP

Fabricate pintle cap from forged steel conforming to ASTM A668/A668M .

Provide a grease lubricated alloy bronze pintle bushing to the dimensions and tolerances indicated. For the bushing material use bronze conforming to ASTM B584, C93200. Machine the bushing from a solid piece of material to acquire the shape and surface finishes indicated. Provide a surface finish of 16 micro-inches or better on the running bearing surface.

Mechanically secure the bushing into the gate as indicated without distortion or altering the fit with the mating pintle ball.

The maximum static bearing pressure for the pintle bushing are not to exceed 4000 psi when a normal load of 575 kips is applied at an angle of

41.7 degrees from horizontal. Pintle bushings will operate submerged.

SECTION 35 01 41 Page 11 AMEND 0005

11 SEPT 2024

LaGr ange Lock and Dam 1200- FT Lock W912EK24B0019 PI - HSS and Oper at i ng Machi ner y

2. 9 PI NTLE BALL

Fabr i cat e pi nt l e bal l ( s) f r om st eel cast i ngs conf or mi ng t o ASTM A705/ A705M, T635 condi t i on A, mi ni mum har dness 40 Rc. Machi ne pi nt l e bal l ( s) t o meet t he di mensi ons, sur f ace f i ni sh and t ol er ances as i ndi cat ed. Any cast i ng pat t er ns devel oped become pr oper t y of t he Gover nment and ar e t o be packaged f or l ong t er m st or age wi t h t he per t i nent par t i dent i f i cat i on pr ovi ded on t he ext er i or packagi ng. Fr ee f l oat t he pi nt l e bal l i nt o t he pi nt l e shoe as i ndi cat ed wi t hout di st or t i on or al t er i ng t he f i t wi t h t he mat i ng pi nt l e bushi ng. Fur ni sh r emovabl e l i f t i ng eyes wi t h t he pi nt l e bal l f or l i f t i ng. Mat e t he pi nt l e bal l bear i ng sur f ace wi t h t he pi nt l e bushi ng t hr ough met r ol ogy met hods and t he use of a cal i br at ed scanni ng pr obe coor di nat e measur i ng machi ne t hat meet s t he r equi r ement s of I SO 10360- 2, by l appi ng mat i ng component s t o achi eve t he i ndi cat ed t ol er ances and compar ed wi t h cont act t ape t o conf i r m uni f or m bear i ng cont act . Test t he cont act ar ea bet ween t he mat i ng component s, wi t nessed by t he Gover nment , t o achi eve a bear i ng cont act ar ea of 85 per cent or bet t er t o be accept abl e. Mat ch- mar k t he pi nt l e bal l wi t h t he bushi ng when f i t t ed and so er ect ed i n t he f i el d.

2. 10 PI NTLE SHOE

Fabr i cat e pi nt l e shoes f r om st eel cast i ngs conf or mi ng t o ASTM A27/ A27M, Gr ade 70- 36. Machi ne pi nt l e shoes t o meet t he di mensi ons, sur f ace f i ni sh and t ol er ances i ndi cat ed. Any cast i ng pat t er ns devel oped become pr oper t y of t he Gover nment and ar e t o be packaged f or l ong t er m st or age wi t h t he per t i nent par t i dent i f i cat i on pr ovi ded on t he ext er i or packagi ng.

2. 11 PI NTLE BASE

Fabr i cat e pi nt l e bases f r om st eel cast i ngs conf or mi ng t o ASTM A668/ A668M, Cl ass K. St eel cast i ng conf or mi ng t o ASTM A27/ A27M Gr ade 65- 35 i s an accept abl e subst i t ut e. Machi ne pi nt l e bases t o meet t he di mensi ons, sur f ace f i ni sh and t ol er ances i ndi cat ed. Any cast i ng pat t er ns devel oped become pr oper t y of t he Gover nment and ar e t o be packaged f or l ong t er m st or age wi t h t he per t i nent par t i dent i f i cat i on pr ovi ded on t he ext er i or packagi ng. Dr i l l and r eam bol t hol es f or at t achi ng pi nt l e cap t o gat e l eaf af t er t he pi nt l e cap i s assembl ed wi t h gat e l eaf . Connect pi nt l e cap t o t he bot t om of t he l ower gi r der web of t he gat e l eaf wi t h st ai nl ess st eel bol t s.

2. 12 GUDGEON TERMI NALS

Fabr i cat e gudgeon t er mi nal s f r om st eel cast i ngs conf or mi ng t o ASTM A668/ A668M Cl ass J. Machi ne t er mi nal s t o meet t he di mensi ons, sur f ace f i ni sh and t ol er ances i ndi cat ed. Any cast i ng pat t er ns devel oped become pr oper t y of t he Gover nment and ar e t o be packaged f or l ong t er m st or age wi t h t he per t i nent par t i dent i f i cat i on pr ovi ded on t he ext er i or packagi ng. Di e st amp t er mi nal s wi t h i dent i f i cat i on number s as i ndi cat ed.

Connect gudgeon t er mi nal eyes/ f or k by a pi n t o t he gudgeon embedded anchor age and pr ovi de a t hr eaded sect i on f or adj ust ment of t he gat e l eaf .

2. 13 SPLI T NUT

Fabr i cat e spl i t nut s f r om st eel f or gi ngs conf or mi ng t o ASTM A668/ A668M Cl ass J. Machi ne spl i t nut s t o meet t he di mensi ons, sur f ace f i ni sh and t ol er ances i ndi cat ed. Pr ovi de t he t hr eaded sect i on of t he spl i t nut wi t h ACME t hr eads of di f f er i ng t hr ead count such t hat r ot at i ng t he spl i t nut

SECTI ON 35 01 41 Page 12 AMEND 0005

11 SEPT 2024

r esul t s i n adj ust ment as shown. Mi ni mum al l owabl e backl ash bet ween t er mi nal wi t h 7. 750 – 1. 00 ACME- 4C RH ext er nal t hr ead and sl eeve nut wi t h

7. 750 – 1. 00 ACME- 4C RH i nt er nal t hr ead i s 0. 005 i nch and t he maxi mum al l owabl e backl ash i s 0. 015 i nch. Mi ni mum al l owabl e backl ash bet ween anchor bar wi t h 7. 750 – 1. 33 ACME- 4C RH ext er nal t hr ead and sl eeve nut wi t h 7. 750 – 1. 33 ACME- 4C RH i nt er nal t hr ead i s 0. 005 i nch and t he maxi mum al l owabl e backl ash i s 0. 015 i nch.

2. 14 GUDGEON BUSHI NGS

Fabr i cat e bushi ngs f r om br onze bushi ng conf or mi ng t o ASTM B584 C93200.

2. 15 KEYS AND KEYSEATS

Al l shaf t s ar e t o have st andar d keyways and keys i n accor dance wi t h ASME B17. 1, Cl ass 2. Submi t al l f abr i cat ed di mensi ons of t he keys and keyways.

2. 16 HYDRAULI C STEEL STRI CTURES I DENTI FI CATI ON NUMBERS

Pr i or t o pai nt i ng appl y i dent i f i cat i on number s. I dent i f i cat i on number s ar e 1/ 2 i nch t al l char act er s, l ow- st r ess di e- st amped i nt o t he st eel f abr i cat i ons i n t he l ocat i ons shown. The l ow- st r ess di e st amps have a mi ni mum t i p r adi os of 0. 020 i nch and a nomi nal i mpr essi on wi dt h f or a

0. 010 i nch dept h of 0. 062 i nch.

2. 17 PAI NTI NG

Pai nt al l exposed f er r ous sur f aces i n accor dance wi t h Sect i on 09 97 02 PAI NTI NG: HYDRAULI C STRUCTURES. Pai nt equi pment and component s not ot her wi se speci f i ed by Sect i on 09 97 02 PAI NTI NG: HYDRAULI C STRUCTURES wi t h Pai nt Syst em 5- E- Z.

2. 18 SHOP ASSEMBLY AND TESTS

2. 18. 1 Gener al

a. Each machi ner y uni t consi st i ng of t he st r ut ar m, suppor t base, gudgeon, pi nt l e and bear i ngs i s t o be compl et el y assembl ed wi t h i t s r espect i ve mat i ng component s i n t he shop and checked f or f i t .

b. Mat ch mar k t he var i ous assembl i es pr i or t o shi pment . Machi ner y t hat ar r i ves on si t e wi t hout t he machi ner y base i nst al l ed wi l l be r ej ect ed.

2. 18. 2 Al i gnment

Conf or m al i gnment of i nt er connect i ng shaf t s t o t he i nst al l at i on r equi r ement s of t he coupl i ng and gear manuf act ur er s i n accor dance wi t h st andar d AGMA pr act i ces. Accur at el y al i gn each machi ner y or st r uct ur al uni t by t he use of st ai nl ess st eel shi ms or ot her appr oved met hods so t hat no bi ndi ng i n any movi ng par t s or di st or t i on of any member occur s bef or e i t i s f ast ened i n pl ace. The al i gnment of al l par t s wi t h r espect t o each ot her i s t o be t r ue wi t hi n t he r espect i ve manuf act ur er ' s t ol er ances r equi r ed. Set machi nes t r ue t o t he el evat i ons i ndi cat ed.

2. 18. 3 Ant i - Sei ze Lubr i cant

Assembl e t hr eaded por t i ons of t he assembl i es usi ng an ant i - sei ze l ubr i cant

SECTI ON 35 01 41 Page 13 AMEND 0005 t hat pr event s gal l i ng of par t s and cor r osi on, al l ows f or easy di sassembl y of par t s, and r educes f r i ct i on unl ess ot her wi se not ed or speci f i ed.

Sel ect ant i - sei ze l ubr i cant t hat i s a st andar d pr oduct desi gned f or t he i nt ended use.

2. 18. 4 Accept ance

Al l r eadi ngs t aken f r om t he equi pment , component s or assembl i es ar e r equi r ed t o be wi t hi n t he speci f i ed l i mi t s. Fai l ur e of any par t t o meet t hese cont r act r equi r ement s i s cause f or r ej ect i on of t he ent i r e quant i t y unt i l act i on i s t aken t o cor r ect def ect s and pr event r ecur r ence and such act i ons have been appr oved by t he Cont r act i ng Of f i cer . Ret est i ng i s subj ect t o t he same r andom sampl i ng and t est i ng pr ocedur es as t he or i gi nal l ot s.

PART 3 EXECUTI ON

3. 1 MACHI NE WORK

3. 1. 1 Fi ni shed Sur f aces

a. Sur f ace f i ni shes i ndi cat ed or speci f i ed her ei n, ar e t o be i n accor dance wi t h ASME B46. 1. Det er mi ne compl i ance wi t h speci f i ed sur f ace by sense of f eel and by v i sual i nspect i on of t he wor k compar ed t o Roughness Compar i son Speci mens i n accor dance wi t h t he pr ovi s i ons of ASME B46. 1. Val ues of r oughness wi dt h and wavi ness hei ght ar e not speci f i ed but have t o be consi st ent wi t h t he gener al t ype of f i ni sh speci f i ed by r oughness hei ght . Fl aws such as scr at ches, r i dges, hol es, peaks, cr acks, or checks whi ch wi l l make t he par t unsui t abl e f or t he i nt ended use ar e cause f or r ej ect i on.

b. Wher e t he f i ni sh i s not i ndi cat ed or speci f i ed, t he t ype of f i ni sh i s t hat whi ch i s most sui t abl e f or t he par t i cul ar sur f ace and pr ovi des t he cl ass of f i t r equi r ed. Maxi mum sur f ace r oughness of any sur f ace i s 250 mi cr o- i nch. I ndi cat e sur f aces t o be machi ne f i ni shed by symbol s whi ch conf or m t o ASME B46. 1.

3. 1. 2 Unf i ni shed Sur f aces

I n so f ar as pr act i cabl e, l ay out al l wor k t o secur e pr oper mat chi ng of adj oi ni ng unf i ni shed sur f aces. Wher e t her e i s a l ar ge di scr epancy bet ween adj oi ni ng unf i ni shed sur f aces, chi p and gr i nd smoot h or machi ne t o secur e pr oper al i gnment . Unf i ni shed sur f aces ar e t o be t r ue t o t he l i nes and di mensi ons i ndi cat ed and have t o be chi pped or gr ound f r ee of al l pr oj ect i ons and r ough spot s. Fi l l depr essi ons or hol es not af f ect i ng t he st r engt h or usef ul ness of t he par t s i n a manner appr oved by t he Cont r act i ng Of f i cer .

3. 1. 3 Pi n Hol es

Bor e pi n hol es t r ue t o gages, smoot h, st r ai ght , and at r i ght angl es t o t he axi s of t he member . Per f or m t he bor i ng af t er t he member i s secur el y f ast ened i n posi t i on.

3. 2 NONDESTRUCTI VE EXAMI NATI ON

3. 2. 1 NDT Agency Requi r ement s

Conduct NDT exami nat i ons usi ng a t est i ng agency adequat el y equi pped and

SECTI ON 35 01 41 Page 14 AMEND 0005 compet ent t o per f or m such ser vi ces or usi ng sui t abl e equi pment and qual i f i ed per sonnel . I n ei t her case, pr ovi de wr i t t en appr oval of t he exami nat i on pr ocedur es and per f or m t he exami nat i on t est s i n t he pr esence of t he Cont r act i ng Of f i cer . Per sons per f or mi ng t he NDT exami nat i on ar e t o be qual i f i ed f or t he speci f i c pr ocedur e used i n accor dance wi t h ASNT SNT- TC- 1A. Submi t nondest r uct i ve exami nat i on cer t i f i cat i on of qual i f i ed per sons, pr ocedur es and equi pment per f or mi ng or used f or nondest r uct i ve t est i ng.

3. 2. 2 Nondest r uct i ve Test i ng ( NDT) f or Fl aws

For al l component s t o be f ur ni shed ul t r asoni cal l y scan a quant i t y r epr esent i ng appr oxi mat el y 5 per cent of t he t ot al suppl i ed quant i t y f or i nt er nal def ect s as speci f i ed. Sel ect component s, speci f i ed bel ow, r equi r e ( 100 per cent ) of t he quant i t i es f ur ni shed t o be NDT exami ned t o sat i sf y t he speci f i c r equi r ement s her ei n. The mi ni mum quant i t i es and r equi r ement s f or t est i ng ar e shown i n TABLE 2, bel ow. Lot s f r om whi ch exami ned speci men par t s ar e sel ect ed have t o consi st of at l east 25 per cent of t he t ot al quant i t y of each t ype par t t o be f ur ni shed. A l ot i s t he compl et ed component s of a gi ven t ype avai l abl e at t he i nspect i on s i t e. The Cont r act i ng Of f i cer wi l l sel ect par t s t o be exami ned at r andom. Not i f y t he Gover nment one week pr i or t o when t he l ot s ar e avai l abl e f or speci men sel ect i on. Fl awed speci mens ( excessi ve i ncl usi on si ze, out - of - t ol er ance di mensi on or har dness, or excessi ve sur f ace r oughness) ar e subj ect t o r ej ect i on.

Test i ng of cast i ngs must be accor di ng t o ASTM A609/ A609M, and t est i ng of f or gi ngs must be accor di ng t o ASTM A388/ A388M.

3. 2. 3 Qual i t y Assur ance Measur ement s

Conduct i nspect i ons t o suppl ement t he Qual i t y Cont r ol NDT i n t he pr esence of t he Cont r act i ng Of f i cer . Thi s t est i ng i s t o ver i f y t hat di mensi ons, har dness and f i ni sh ar e wi t hi n r equi r ed t ol er ances. Per f or m t hi s t est i ng of t he chai n component s at t he f abr i cat i on s i t e.

Quant i t i es subj ect t o t hi s t est i ng ar e speci f i ed i n Tabl e 2. Par t s t o be exami ned wi l l be sel ect ed at r andom by t he Cont r act i ng Of f i cer . Lot s f r om whi ch i nspect ed par t s ar e sel ect ed consi st of at l east 25 per cent of t he t ot al quant i t y of each t ype par t t o be f ur ni shed. A l ot i s t he compl et ed component s of a gi ven t ype avai l abl e at t he i nspect i on s i t e. Not i f y t he Gover nment one week pr i or t o when t he l ot s ar e avai l abl e f or speci men sel ect i on and i nspect i on. Mor e t han one t est i ng dat e may be r equi r ed.

TABLE 2 QUALI TY ASSURANCE TESTI NG

I TEM MEASURED AND RECORDED PARAMETERS

Hi nge Anchor age Pi n Hi nge Gudgeon Pi n Mi t er - op St r ut Ar m Ver t i cal Pi n Mi t er - op St r ut Ar m Hor i zont al Pi n Mi t er - op Sect or Ar m Pi n

OD, FI NI SH, UST OD, FI NI SH, UST

OD, FI NI SH, UST OD, FI NI SH, UST

OD, FI NI SH, UST OD, FI NI SH, UST

OD, FI NI SH, UST OD, FI NI SH, UST

SECTI ON 35 01 41 Page 15 AMEND 0005