05_51_33.pdf

WATERVLI ET WAREHOUSE WATERVLIETWHSE

AMENDMENT 1

SECTI ON 05 51 33

METAL LADDERS

02/16

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 LADDER I NSTI TUTE ( ALI )

ALI A14. 3 ( 2008) St andar d f or Fi xed Ladder s and Saf et y Requi r ement s

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

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 A47/ A47M ( 1999; R 2014) St andar d Speci f i cat i on f or Fer r i t i c Mal l eabl e I r on Cast i ngs

ASTM A500/ A500M ( 2013) St andar d Speci f i cat i on f or Col d- For med Wel ded and Seaml ess Car bon St eel St r uct ur al Tubi ng i n Rounds and Shapes

ASTM A53/ A53M ( 2012) St andar d Speci f i cat i on f or Pi pe, St eel , Bl ack and Hot - Di pped, Zi nc- Coat ed, Wel ded and Seaml ess

ASTM B108/ B108M ( 2015) St andar d Speci f i cat i on f or Al umi num- Al l oy Per manent Mol d Cast i ngs

ASTM B209 ( 2014) St andar d Speci f i cat i on f or Al umi num and Al umi num- Al l oy Sheet and Pl at e

ASTM B221 ( 2014) St andar d Speci f i cat i on f or Al umi num and Al umi num- Al l oy Ext r uded Bar s, Rods, Wi r e, Pr of i l es, and Tubes

ASTM B26/ B26M ( 2014; E 2015) St andar d Speci f i cat i on f or Al umi num- Al l oy Sand Cast i ngs

ASTM D1187/ D1187M ( 1997; E 2011; R 2011) Asphal t - Base Emul si ons f or Use as Pr ot ect i ve Coat i ngs f or Met al

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07/ 27/ 18 9: 59 AM

MASTER PAI NTERS I NSTI TUTE ( MPI )

MPI 79 ( Oct 2009) Al kyd Ant i - Cor r osi ve Met al Primer

SOCI ETY FOR PROTECTI VE COATI NGS ( SSPC)

SSPC SP 3 ( 1982; E 2004) Power Tool Cl eani ng

SSPC SP 6/ NACE No. 3 ( 2007) Commer ci al Bl ast Cl eani ng

U. S. NATI ONAL ARCHI VES AND RECORDS ADMI NI STRATI ON ( NARA)

29 CFR 1910. 27 Fi xed Ladder s

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 al s wi t h an " S" ar e f or i ncl usi on i n t he Sust ai nabi l i t y Not ebook, i n conf or mance wi t h Section 01 33 29 SUSTAI NABI LI TY REPORTI NG. 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- 02 Shop Dr awi ngs

Ladders , I nst al l at i on Dr awi ngs

SD- 03 Pr oduct Dat a

Ladders

Ladder Saf et y Devi ces

SD- 07 Cer t i f i cat es

Fabr i cat or Cer t i f i cat i on f or Ladder Assembl y

Fabr i cat or Cer t i f i cat i on f or Shi ps Ladder Assembl y

1. 3 CERTIFICATES

Provide f abr i cat or cer t i f i cat i on f or l adder assembl y st at i ng t hat t he l adder and associ at ed component s have been f abr i cat ed accor di ng t o t he r equi r ement s of 29 CFR 1910. 27.

Provide f abr i cat or cer t i f i cat i on f or shi ps l adder assembl y st at i ng t hat t he shi ps l adder and associ at ed component s have been f abr i cat ed accor di ng t o t he r equi r ement s of 29 CFR 1910. 27.

1. 4 QUALI FI CATI ON OF WELDERS

Qual i f y wel der s i n accor dance wi t h AWS D1. 1/ D1. 1M. Use pr ocedur es, mat er i al s, and equi pment of t he t ype r equi r ed f or t he wor k.

1. 5 DELI VERY, STORAGE, AND PROTECTI ON

Pr ot ect f r om cor r osi on, def or mat i on, and ot her t ypes of damage. St or e

SECTI ON 05 51 33 Page 2 i t ems i n an encl osed ar ea f r ee f r om cont act wi t h soi l and weat her . Remove and r epl ace damaged i t ems wi t h new i t ems.

PART 2 PRODUCTS

2. 1 MATERIALS

2. 1. 1 St r uct ur al Car bon St eel

ASTM A36/ A36M.

2. 1. 2 St r uct ur al Tubi ng

ASTM A500/ A500M.

2. 1. 3 St eel Pi pe

ASTM A53/ A53M, Type E or S, Gr ade B.

2. 1. 4 Fi t t i ngs f or St eel Pi pe

St andar d mal l eabl e i r on f i t t i ngs ASTM A47/ A47M.

2. 1. 5 Al umi num Al l oy Pr oduct s

Conf or m t o ASTM B209 f or sheet pl at e, ASTM B221 f or ext r usi ons and ASTM B26/ B26M or ASTM B108/ B108M f or cast i ngs, as appl i cabl e. Pr ovi de al umi num ext r usi ons at l east 1/ 8 i nch t hi ck and al umi num pl at e or sheet at least 0. 050 i nch t hi ck.

2. 2 FABRI CATI ON FI NI SHES

2. 2. 1 Galvanizing

Hot - di p gal vani ze i t ems speci f i ed t o be zi nc- coat ed, af t er f abr i cat i on wher e pr act i cabl e. Gal vani z i ng: ASTM A123/ A123M, ASTM A153/ A153M, ASTM A653/ A653M or ASTM A924/ A924M, G90, as appl i cabl e.

2. 2. 2 Galvanize

Anchor bol t s, washer s, and par t s or devi ces necessar y f or pr oper i nst al l at i on, unl ess i ndi cat ed ot her wi se.

2. 2. 3 Repai r of Zi nc- Coat ed Sur f aces

Repai r damaged sur f aces wi t h gal vani z i ng r epai r met hod and pai nt conf or mi ng t o ASTM A780/ A780M or by appl i cat i on of st i ck or t hi ck past e mat er i al speci f i cal l y desi gned f or r epai r of gal vani z i ng, as appr oved by Cont r act i ng Of f i cer . Cl ean ar eas t o be r epai r ed and r emove sl ag f r om wel ds. Heat sur f aces t o whi ch st i ck or past e mat er i al i s appl i ed, wi t h a t or ch t o a t emper at ur e suf f i c i ent t o mel t t he met al l i cs i n st i ck or past e;

spr ead mol t en mat er i al uni f or ml y over sur f aces t o be coat ed and wi pe of f excess mat er i al .

2. 2. 1 Shop Cl eani ng and Pai nt i ng

2. 2. 1. 1 Sur f ace Pr epar at i on

Bl ast c l ean sur f aces i n accor dance wi t h SSPC SP 6/ NACE No. 3. Sur f aces

SECTI ON 05 51 33 Page 3 t hat wi l l be exposed i n spaces above cei l i ng or i n at t i c spaces, cr awl spaces, f ur r ed spaces, and chases may be cl eaned i n accor dance wi t h SSPC SP 3 i n l i eu of bei ng bl ast c l eaned. Wash cl eaned sur f aces whi ch become cont ami nat ed wi t h r ust , di r t , oi l , gr ease, or ot her cont ami nant s wi t h sol vent s unt i l t hor oughl y c l ean.

2. 2. 1. 2 Pr et r eat ment , Pr i mi ng and Pai nt i ng

Appl y pr et r eat ment , pr i mer , and pai nt i n accor dance wi t h manuf act ur er ' s pr i nt ed i nst r uct i ons. On sur f aces conceal ed i n t he f i ni shed const r uct i on or not accessi bl e f or f i ni sh pai nt i ng, appl y an addi t i onal pr i me coat t o a mi ni mum dr y f i l m t hi ckness of 1. 0 mi l . Ti nt addi t i onal pr i me coat wi t h a smal l amount of t i nt i ng pi gment .

2. 3 LADDERS

Fabr i cat e ver t i cal l adder s conf or mi ng t o 29 CFR 1910. 27and Sect i on 5 of ALI A14. 3. Use 2 1/ 2 by 3/ 8 i nch st eel f l at s f or st r i nger s and 3/ 4 i nch di amet er st eel r ods f or r ungs. Rungs must not be l ess t han 16 i nches wi de, spaced one f oot apar t , pl ug wel ded or shoul der ed and headed i nt o st r i nger s. I nst al l l adder s so t hat t he di st ance f r om t he r ungs t o t he f i ni shed wal l sur f ace wi l l not be l ess t han 7 i nches. Pr ovi de heavy cl i p angl es r i vet ed or bol t ed t o t he st r i nger and dr i l l ed f or not l ess t han t wo 1/ 2 i nch di amet er expansi on bol t s as i ndi cat ed. Pr ovi de i nt er medi at e c l i p angl es not over 48 i nches on cent er s. The t op r ung of t he l adder must be l evel wi t h t he t op of t he access l evel , par apet or l andi ng ser ved by t he l adder except f or hat ches or wel l s. Ext end t he si de r ai l s of t hr ough or s i de st ep l adder s 42 i nches above t he access l evel . Pr ovi de l adder access pr ot ect i ve swi ng gat es at t he t op of access/ egr ess l evel . The dr awi ngs must i ndi cat e l adder l ocat i ons and det ai l s of cr i t i cal di mensi ons and materials.

2. 3. 1 Ladder Cages

Conf or m t o 29 CFR 1910. 27. Fabr i cat e 2 by 1/ 4 i nchhor i zont al bands and 1 1/ 2 by 3/ 16 i nch ver t i cal bar s. Pr ovi de at t achment s f or f ast eni ng bands t o t he s i de r ai l s of l adder s or di r ect l y t o t he st r uct ur e. Pr ovi de and f ast en ver t i cal bar s on t he i nsi de of t he hor i zont al bands. Ext end cages not l ess t han 27 i nches or mor e t han 28 i nches f r om t he cent er l i ne of t he r ungs, excl udi ng t he f l ar e at t he bot t om of t he cage, and not l ess t han 27 inches i n wi dt h. Cl ear t he i nsi de of t he cage of pr oj ect i ons.

2. 3. 1 Ladder Saf et y Devi ces

Conf or m t o 29 CFR 1910. 27 and Sect i on 7 of ALI A14. 3. I nst al l l adder saf et y devi ces on l adder s over 20 f eet l ong or mor e. The l adder saf et y syst ems must meet t he desi gn r equi r ement of t he l adder s whi ch t hey ser ve.

The l adder saf et y syst em must be capabl e of sust ai ni ng a st at i c l oad of 1, 000 pounds.

PART 3 EXECUTI ON

3. 1 GENERAL I NSTALLATI ON REQUI REMENTS

I nst al l i t ems at l ocat i ons i ndi cat ed, accor di ng t o manuf act ur er ' s i nst r uct i ons. Ver i f y al l measur ement s and t ake al l f i el d measur ement s necessar y bef or e f abr i cat i on. Pr ovi de Exposed f ast eni ngs of compat i bl e mat er i al s, gener al l y mat chi ng i n col or and f i ni sh, and har moni ze wi t h t he mat er i al t o whi ch f ast eni ngs ar e appl i ed. I ncl ude mat er i al s and par t s

SECTI ON 05 51 33 Page 4 necessar y t o compl et e each i t em, even t hough such wor k i s not def i ni t el y shown or speci f i ed. Poor mat chi ng of hol es f or f ast ener s wi l l be cause f or r ej ect i on. Conceal f ast eni ngs wher e pr act i cabl e. Thi ckness of met al and det ai l s of assembl y and suppor t s must pr ovi de st r engt h and st i f f ness.

For med j oi nt s exposed t o t he weat her t o excl ude wat er . I t ems l i s t ed bel ow r equi r e addi t i onal pr ocedur es.

3. 2 WORKMANSHIP

Met al wor k must be wel l f or med t o shape and si ze, wi t h shar p l i nes and angl es and t r ue cur ves. Dr i l l i ng and punchi ng must pr oduce cl ean t r ue l i nes and sur f aces. Cont i nuousl y wel d al ong t he ent i r e ar ea of cont act .

Do not t ack wel d exposed connect i ons of wor k i n pl ace. Gr i d smoot h exposed wel ds. Pr ovi de smoot h f i ni sh on exposed sur f aces of wor k i n pl ace, unl ess ot her wi se appr oved. Wher e t i ght f i t s ar e r equi r ed, mi l l j oi nt s. Cope or mi t er cor ner j oi nt s, wel l f or med, and i n t r ue al i gnment .

I nst al l i n accor dance wi t h manuf act ur er ' s i nst al l at i on i nst r uct i ons and appr oved dr awi ngs, cut s, and det ai l s.

3. 3 ANCHORAGE, FASTENI NGS, AND CONNECTI ONS

Pr ovi de anchor age wher e necessar y f or f ast eni ng met al i t ems secur el y i n pl ace. I ncl ude f or anchor age not ot her wi se speci f i ed or i ndi cat ed sl ot t ed i nser t s, expansi on anchor s, and powder - act uat ed f ast ener s, when appr oved f or concr et e; t oggl e bol t s and t hr ough bol t s f or masonr y; machi ne bol t s, car r i age bol t s and powder - act uat ed t hr eaded st uds f or st eel ; t hr ough bol t s, l ag bol t s, and scr ews f or wood. Do not use wood pl ugs i n any mat er i al . Pr ovi de non- f er r ous at t achment s f or non- f er r ous met al . Make exposed f ast eni ngs of compat i bl e mat er i al s, gener al l y mat chi ng i n col or and f i ni sh, t o whi ch f ast eni ngs ar e appl i ed. Conceal f ast eni ngs wher e practicable.

3. 4 WELDING

Per f or m wel di ng, wel di ng i nspect i on, and cor r ect i ve wel di ng, i n accor dance with AWS D1. 1/ D1. 1M. Use cont i nuous wel ds on al l exposed connect i ons.

Gr i nd v i s i bl e wel ds smoot h i n t he f i ni shed i nst al l at i on.

3. 5 FINISHES

3. 5. 1 Di ssi mi l ar Mat er i al s

Wher e di ssi mi l ar met al s ar e i n cont act , pr ot ect sur f aces wi t h a coat conf or mi ng t o MPI 79 t o pr event gal vani c or cor r osi ve act i on. Wher e al umi num i s i n cont act wi t h concr et e, pl ast er , mor t ar , masonr y, wood, or absor pt i ve mat er i al s subj ect t o wet t i ng, pr ot ect wi t h ASTM D1187/ D1187M, asphal t - base emul si on.

3. 5. 2 Fi el d Pr epar at i on

Remove r ust pr event i ve coat i ng j ust pr i or t o f i el d er ect i on, usi ng a r emover appr oved by t he r ust pr event i ve manuf act ur er . Sur f aces, when assembl ed, must be f r ee of r ust , gr ease, di r t and ot her f or ei gn mat t er .

3. 5. 3 Envi r onment al Condi t i ons

Do not c l ean or pai nt sur f ace when damp or exposed t o f oggy or r ai ny weat her , when met al l i c sur f ace t emper at ur e i s l ess t han 5 degr ees F above t he dew poi nt of t he sur r oundi ng ai r , or when sur f ace t emper at ur e i s bel ow

SECTI ON 05 51 33 Page 5

45 degr ees F or over 95 degr ees F, unl ess appr oved by t he Cont r act i ng Officer.

3. 6 LADDERS

Secur e t o t he adj acent const r uct i on wi t h t he c l i p angl es at t ached t o t he st r i nger . Secur e t o masonr y or concr et e wi t h not l ess t han t wo 1/ 2 i nch di amet er expansi on bol t s. I nst al l i nt er medi at e c l i p angl es not over 48 inches on cent er . I nst al l br acket s as r equi r ed f or secur i ng of l adder s wel ded or bol t ed t o st r uct ur al st eel or bui l t i nt o t he masonr y or concr et e. Ends of l adder s must not r est upon f l oor .

- - End of Sect i on - -

SECTI ON 05 51 33 Page 6

3.6 LADDERS

1.4 DELIVERY, STORAGE, AND HANDLING

2.2.6 Factory Applied Surface Finishing for Doors and Frames

2.3 BASIS OF DESIGN

1.8 DELIVERY, STORAGE, AND HANDLING

2.2 COLOR

3.3 CLEAN-UP