07 12 00.pdf

Ti nker AFB, OK TAFB Techni cal Spr ci f i cat i ons 2019

SECTI ON 07 12 00

BUI LT- UP BI TUMI NOUS WATERPROOFI NG

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.

ASTM I NTERNATI ONAL ( ASTM)

ASTM C208 ( 2012) Cel l ul osi c Fi ber I nsul at i ng Boar d

ASTM C726 ( 2012) Mi ner al Fi ber Roof I nsul at i on Boar d

ASTM D1327/ D1327M ( 2004e1; R 2012) St andar d Speci f i cat i on f or Bi t umen- Sat ur at ed Woven Bur l ap Fabr i cs Used i n Roof i ng and Wat er pr oof i ng

ASTM D1668/ D1668M ( 1997a; R 2014; E 2014) Gl ass Fabr i cs ( Woven and Tr eat ed) f or Roof i ng and Waterproofing

ASTM D173/ D173M ( 2003; R 2011; E 2012) Bi t umen- Sat ur at ed Cot t on Fabr i cs Used i n Roof i ng and Waterproofing

ASTM D2178/ D2178M ( 2015a) Asphal t Gl ass Fel t Used i n Roof i ng and Wat er pr oof i ng

ASTM D226/ D226M ( 2009) St andar d Speci f i cat i on f or Asphal t - Sat ur at ed Or gani c Fel t Used i n Roof i ng and Wat er pr oof i ng

ASTM D41/ D41M ( 2011) Asphal t Pr i mer Used i n Roof i ng, Damppr oof i ng, and Wat er pr oof i ng

ASTM D449/ D449M ( 2003; R 2014; E 2014) Asphal t Used i n Damppr oof i ng and Wat er pr oof i ng

ASTM D4586/ D4586M ( 2007; E 2012; R 2012) Asphal t Roof Cement , Asbest os- Fr ee

ASTM D517 ( 1998; R 2008) Asphal t Pl ank

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 Cont r act or Qual i t y Cont r ol appr oval . 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- 03 Pr oduct Dat a

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Manuf act ur er ' s St andar d Det ai l s; G

Pr ot ect i on Boar d; G

Pr ef abr i cat ed Lami nat ed Asphal t Wat er pr oof i ng; G

Pr ef abr i cat ed Copper Fabr i c; G

Membr ane Fabr i c; G

Rei nf or ci ng Fabr i c; G

SD- 06 Test Repor t s

Bul k Li qui d Asphal t Cer t i f i ed Labor at or y Repor t s; G

SD- 07 Cer t i f i cat es

Membr ane Fabr i c; G

Rei nf or ci ng Fabr i c; G

Pr ot ect i on Boar d; G

Pr ef abr i cat ed Lami nat ed Asphal t Wat er pr oof i ng; G

Pr ef abr i cat ed Copper Fabr i c; G

Cer t i f i cat es of Compl i ance; G

SD- 08 Manuf act ur er ' s I nst r uct i ons

I nst al l at i on I nst r uct i ons

SD- 11 Cl oseout Submi t t al s

Asphal t Shi pment Recor ds

Cer t i f i cat es of Compl i ance; S

Vol at i l e Or gani c Compounds ( VOC) Cont ent s; S

Recycl ed Cont ent ; S

1. 3 MANUFACTURER' S DETAI L

Submi t manuf act ur er ' s st andar d det ai l s i ndi cat i ng met hods of at t achment and spaci ng, t r ansi t i on and t er mi nat i on condi t i ons, i nst al l at i on det ai l s.

1. 4 ENVI RONMENTAL CONDI TI ONS

Appl y t he pr i mer s and wat er pr oof i ng speci f i ed her ei n when t he ambi ent t emper at ur e i s above 40 degr ees F.

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1. 5 DELI VERY AND STORAGE

1. 5. 1 Mat er i al s Packagi ng

Del i ver mat er i al s i n bundl es, r ol l s , and seal ed cont ai ner s i n accor dance wi t h manuf act ur er ' s pr i nt ed handl i ng i nst r uct i ons and bear i ng manuf act ur er ' s or i gi nal l abel s. Mat er i al l abel s i ndi cat e dat es f or use or shel f l i f e; r emove out dat ed mat er i al , damaged, and det er i or at ed mat er i al f r om t he j obsi t e. Keep mat er i al s wr apped and separ at ed f r om of f - gassi ng mat er i al s ( such as dr yi ng pai nt s and adhesi ves) . Do not use mat er i al s t hat have vi s i bl e moi st ur e or bi ol ogi cal gr owt h.

1. 5. 2 Mat er i al s St or age

1. 5. 2. 1 Asphalt

Pr ot ect asphal t f r om f r eezi ng. St or e asphal t i n a weat her t i ght encl osur e, f r ee f r om cont act wi t h soi l . St or e and mai nt ai n at not l ess t han 50 degr ees F f or at l east 24 hour s bef or e use.

1. 5. 2. 2 Rei nf or cement Fabr i cs

Handl e and st or e r ei nf or cement f abr i cs i n accor dance wi t h manuf act ur er ' s pr i nt ed i nst r uct i ons. Pr ot ect f abr i cs f r om moi st ur e damage and absor pt i on i n a weat her t i ght encl osur e or of f t he gr ound on pal l et s, and cover ed on t op and al l s i des wi t h br eat habl e- t ype canvas t ar paul i ns. Pl ast i c sheet s cause condensat i on bui l dup t her ef or e do not use t hem t o cover wat er pr oof i ng mat er i al s.

1. 6 Fl ame Heat ed Equi pment

1. 6. 1 Fi r e Pr ot ect i on

Locat e mel t ket t l es no cl oser t han 25 f eet f r om bui l di ngs or combust i bl e mat er i al s. Pr ovi de and mai nt ai n t wo appr oved 4- A: 40- B: C f i r e ext i ngui sher s wi t hi n 25 f eet of each oper at i ng ket t l e. Fi r e ext i ngui sher s, oper at i ons and l ocat i ons must compl y wi t h NFPA 1 Sect i on Tar Ket t l es. Equi p asphal t ( t ar ) ket t l es wi t h t i ght f i t t i ng l i ds.

1. 6. 2 Oper at i onal Requi r ement s

Equi p ket t l es wi t h aut omat i c t her most at i c cont r ol capabl e of mai nt ai ni ng asphal t t emper at ur e. Cal i br at e and mai nt ai n cont r ol s i n wor ki ng or der f or t he dur at i on of t he wor k. Equi p ket t l es wi t h means of agi t at i on and ensur e t hey ar e oper at i ng as necessar y t o pr oduce a cont r ol l ed uni f or m t emper at ur e t hr oughout ket t l e cont ent s t o pr event spot heat i ng. Do not heat cont ent s above f l ash poi nt . Do not pl ace f l ame heat ed equi pment on t he r oof .

1. 6. 3 Dr i ppage of Bi t umen

Seal j oi nt s i n and at edges as necessar y t o pr event dr i ppage of asphal t i nt o t he bui l di ng or ont o adj acent sur f aces.

PART 2 PRODUCTS

2. 1 PRODUCT SUSTAI NABI LI TY CRI TERI A

Wher e al l owed by per f or mance cr i t er i a:

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2. 1. 1 Reduce Vol at i l e Or gani c Compounds ( VOC) Cont ent s

Pr ovi de pr oduct s wi t h r educed VOC cont ent and pr ovi de cer t i f i cat es of compl i ance i n accor dance wi t h Sect i on 01 33 29 SUSTAI NABI LI TY REPORTI NG par agr aph REDUCE VOLATI LE ORGANI C COMPOUNDS.

2. 1. 2 Recycl ed Cont ent

Pr ovi de pr oduct s wi t h r ecycl ed cont ent and pr ovi de cer t i f i cat es of compl i ance i n accor dance wi t h Sect i on 01 33 29 SUSTAI NABI LI TY REPORTI NG par agr aph RECYCLED CONTENT.

2. 2 BITUMEN

Asphalt; ASTM D449/ D449M, Type I .

2. 3 BI TUMI NOUS PLASTI C CEMENT

ASTM D4586/ D4586M, Type I f or asphal t .

2. 4 MEMBRANE FABRI C

The f ol l owi ng r equi r ement s appl y:

Fel t or Fabr i c Mat er i al Sat ur ant or I mpr egnant Specification

Gl ass ( f el t ) mat Asphalt ASTM D2178/ D2178M, Type I I I

Cel l ul ose f i ber mat - based ( or gani c) f el t

Asphalt ASTM D226/ D226M

Rei nf or ci ng gl ass f abr i c Asphalt ASTM D1668/ D1668M REV A, Type I

Rei nf or ci ng cot t on f abr i c Asphalt ASTM D173/ D173M

Rei nf or ci ng woven bur l ap fabric

Asphalt ASTM D1327/ D1327M

2. 4. 1 Cot t on Fabr i cs

Pr ovi de cot t on f abr i cs woven ent i r el y of cot t on i n accor dance wi t h ASTM D173/ D173M and t hor oughl y and uni f or ml y sat ur at ed wi t h asphal t .

2. 4. 2 Woven Bur l ap Fabr i cs

Pr ovi de woven bur l ap f abr i cs i n accor dance wi t h ASTM D1327/ D1327M composed of 100 per cent j ut e f i ber and t wo cot t on t hr eads at each sel vage, and t hor oughl y and uni f or ml y sat ur at ed wi t h asphal t . Fabr i c cannot be compl et el y c l osed or seal ed by t he pr ocess of sat ur at i on and i s t o have suf f i c i ent por osi t y t o al l ow successi ve moppi ngs of pl y i ng asphal t t o seep t hr ough. Fabr i c sur f ace cannot be coat ed or cover ed wi t h t al c or any ot her subst ance t hat i nt er f er es wi t h t he adhesi on bet ween f abr i c and pl y i ng asphal t . Pr ovi de f abr i c sur f ace uni f or ml y smoot h and f r ee of i r r egul ar i t i es, f ol ds, knot s, r agged or unt r ue edges, br eaks, cr acks, and ot her v i s i bl e def ect s.

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2. 5 NAILS

Pr ovi de gal vani zed r oof i ng nai l s or nai l s i n accor dance wi t h f abr i c and pr ot ect i on boar d manuf act ur er ' s wr i t t en r ecommendat i ons. I f f abr i c cont ai ns met al , pr ovi de nai l s as necessar y t o avoi d el ect r ol yt i c act i on due t o pr oxi mi t y of di ssi mi l ar met al s.

2. 6 PRIMER

ASTM D41/ D41M f or asphal t .

2. 7 PROTECTI ON BOARD

ASTM D517, pl ai n, asphal t pl ank; ASTM C208, const r uct i on gr ade bui l di ng boar d, 1/ 2 i nch t hi ck, asphal t sat ur at ed or coat ed; ASTM C726, 7/ 16 i nch t hi ck, cover ed on one si de wi t h wat er pr oof paper or asphal t - sat ur at ed f el t .

2. 8 PREFABRI CATED LAMI NATED ASPHALT WATERPROOFI NG

Pr ovi de pr ef abr i cat ed l ami nat ed const r uct i on consi st i ng of pl i es of kr af t paper bonded by l ayer s of bi t umen r ei nf or ced wi t h l ayer s of f i br ous gl ass and one l ayer of pol yet hyl ene f aci ng. MPr ovi de mat er i al and wei ght as follows:

a. One l ayer pol yet hyl ene f aci ng, 30 l bs. r eam wei ght ; seven i nt er medi at e l ayer s of bi t umi nous- sat ur at ed kr af t paper .

b. Seven l ayer s of bi t umen.

c. Thr ee l ayer s of 20. 20 f i br ous gl ass mesh.

d. Bot t om " cushi on" sheet of cr epe kr af t paper .

e. Tot al mi ni mum wei ght of mat er i al s of 0. 40 l bs. per squar e f oot .

f . Mi ni mum bi t umi nous cont ent of 75 per cent by wei ght .

g. Per manent l y pl i abl e and i mper vi ous t o mi l dew and ot her or gani c at t ack, i ncl udi ng t er mi t es and r odent s.

h. Punct ur e r esi st ant and sel f seal i ng.

2. 9 PREFABRI CATED COPPER FABRI C SHOWER PANS

A f act or y f abr i cat ed sheet of copper bonded t o and bet ween t wo l ayer s of asphal t i mpr egnat ed f i ber gl ass or cot t on f abr i c. Copper sheet t o wei gh 5 ounces per squar e f oot .

2. 10 WOOD NAI LERS

Speci f i ed i n Sect i on 06 10 00 ROUGH CARPENTRY.

PART 3 EXECUTI ON

3. 1 I NSPECTI ON OF SURFACES

Bef or e st ar t i ng t he wor k, i nspect al l sur f aces t hat must be wat er pr oof ed t o det er mi ne i f i n sat i sf act or y condi t i on. Check t he l ocat i on and set t i ng of al l embedded i t ems. Pl ace backi ng and bl ocki ng and per i met er f r ami ng

Apr i l 2019 Page 5 SECTI ON 07 12 00 f or r ecessed i t ems as r equi r ed by t he var i ous t r ades on t he pr oj ect .

Compl et e condui t , pi pi ng, and ot her r equi r ed r ough- i n. Not i f y t he Cont r act i ng Of f i cer of ser i ous def ect s or condi t i ons t hat pr event sat i sf act or y appl i cat i on. St ar t appl i cat i on af t er such def ect s and condi t i ons have been cor r ect ed.

3. 2 PREPARATI ON OF SURFACES

Ensur e sur f aces t o r ecei ve t r eat ment ar e c l ean and dr y, smoot h and f r ee f r om del et er i ous and excess mat er i al s and pr oj ect i ons. Ensur e masonr y sur f aces ar e f r ee of oi l , gr ease, di r t , l ai t ance, l oose and br oken mat er i al , f r ost , debr i s and ot her cont ami nant s. Ensur e concr et e sur f aces ar e pr oper l y cur ed, f r ee of r el ease agent s, oi l , gr ease, di r t , l ai t ance, l oose mat er i al , f r ost , debr i s and ot her cont ami nant s. Thor oughl y wet hol es, j oi nt s, cr acks, and voi ds i n concr et e wi t h wat er , t hen f i l l wi t h Por t l and cement mor t ar , st r i ke f l ush, and per mi t t o dr y. Cut of f or gr i nd hi gh spot s smoot h. Ensur e mor t ar j oi nt s i n masonr y wal l s ar e f l ush and f r ee of ext r aneous mor t ar . Ensur e met al sur f aces ar e dr y and f r ee of r ust , scal e, l oose pai nt , oi l , gr ease, di r t , f r ost and debr i s. Coat sur f aces t o r ecei ve asphal t membr ane wat er pr oof i ng wi t h a pr i mi ng coat of asphal t pr i mer . Appl y pr i mi ng coat at a r at e of not l ess t han one gal l on per 100 squar e f eet , cover i ng t he ent i r e wat er pr oof edsur f ace. Al l ow pr i mer t o dr y per manuf act ur er ' s pr i nt ed i nst r uct i ons bef or e appl y i ng wat er pr oof i ng.

3. 3 APPLICATION

3. 3. 1 Bui l di ng Envel ope Requi r ement s

Pr ovi de a cont i nuous wat er pr oof i ng syst em at al l mat er i al and bui l di ng t r ansi t i ons. Lap, wr ap, f ast en and seal pr oduct s i n accor dance wi t h manuf act ur er ' s pr i nt ed i nst r uct i ons. Locat e wat er pr oof i ng component s wi t hi n envel ope assembl i es i n l ocat i ons i ndi cat ed on t he Dr awi ngs.

Envel ope assembl y var i at i ons ar e not per mi t t ed wi t hout wr i t t en appr oval f r om t he Cont r act i ng Of f i cer ' s Repr esent at i ve.

3. 3. 2 Gener al I nst al l at i on Requi r ement s

Pr ovi de wat er pr oof i ng wher e i ndi cat ed. At t he Cont r act or ' s opt i on, shower pans of pr ef abr i cat ed l ami nat ed asphal t wat er pr oof i ng or pr ef abr i cat ed copper f abr i c shower pan, as speci f i ed her ei n, may be used i nst ead of bi t umi nous membr ane wat er pr oof i ng. Pr ovi de vent i l at i on f or encl osed spaces when usi ng bi t umi nous membr ane wat er pr oof i ng.

3. 3. 3 Pr ef abr i cat ed Pan

Pr ovi de pr ef abr i cat ed l ami nat ed asphal t wat er pr oof i ngor pr ef abr i cat ed copper f abr i c shower pan. For m each shower pan f r om a si ngl e pi ece of t he l ami nat ed mat er i al wi t hout j oi nt s and wi t h no openi ng except f or shower dr ai n. Pr ovi de pan i n accor dance wi t h manuf act ur er ' s pr i nt ed i nst r uct i ons.

3. 3. 4 Pr ot ect i on of Sur r oundi ng Ar eas

Bef or e st ar t i ng wat er pr oof i ng wor k, pr ot ect sur r oundi ng ar eas and sur f aces f r om spi l l age and mi gr at i on of asphal t ont o ot her wor k. Pr ovi de non- combust i bl e pr ot ect i ve cover i ngs at sur f aces adj acent t o hoi st s and ket t l es. Lap pr ot ect i ve cover i ngs at l east 6 i nches, secur e agai nst wi nd, and vent t o pr event col l ect i on of moi st ur e on cover ed sur f aces. Keep pr ot ect i ve cover i ngs i n pl ace f or t he dur at i on of asphal t wor k. Pr ot ect dr ai ns and conduct or s f r om cl oggi ng wi t h asphal t .

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3. 3. 5 Heat i ng and Appl i cat i on of Bi t umen Coat i ngs

Heat sol i d bi t umen i n ket t l e equi pped wi t h an aut omat i c heat i ng devi ce or cont r ol uni t f or posi t i ve cont r ol of t he speci f i ed t emper at ur e. Pr ovi de an accur at e and cl ear l y r eadabl e t her momet er on al l ket t l es. Bul k l i qui d asphal t may be heat ed usi ng t he heat i ng equi pment i n t he t r anspor t t anker vehi c l e or t r ansf er r ed t o ket t l es and heat ed as speci f i ed f or sol i d bi t umen. Heat bi t umen t o f l ow f r eel y but not above 375 degr ees F. Appl y bi t umen over t he pr i mer , bet ween each pl y and as a t op coat i ng at t he r at e of not l ess t han 20 pounds of asphal t per 100 squar e f eet of sur f ace.

3. 3. 6 Membr ane Wat er pr oof i ng

3. 3. 6. 1 Bel ow Gr ade Wal l Wat er pr oof i ng

Pr ovi de 3- pl y hot - appl i ed asphal t membr ane syst em f or f oundat i on wal l s.

I nst al l f abr i cs i n accor dance wi t h manuf act ur er ' s pr i nt ed i nst al l at i on i nst r uct i ons. Caul k j oi nt s bef or e appl y i ng pr i mer . Appl y pr i mer at a r at e of 1/ 2 gal l on per 100 squar e f eet . Over l ap f abr i cs at ends and st agger a mi ni mum of 24 i nch f or 3- pl y syst em. End- t o- end t api ng i s not accept abl e. Fi r ml y embed each f abr i c i n a sol i d uni f or m coat i ng of hot asphal t at a r at e of 20 l bs. per 100 squar e f eet . Al l ow asphal t t o penet r at e each f abr i c and t o pr ovi de r equi r ed adhesi on. Avoi d excessi ve appl i cat i ons of asphal t bet ween f abr i cs i n or der t o pr event s l i ppage.

Pr ovi de wat er pr oof i ng syst em consi st i ng of t wo or mor e f abr i cs wi t h f abr i c r ei nf or cement at cor ner s, angl es, over const r uct i on j oi nt s, and i n l ocat i ons wher e subj ect t o i ncr eased st r ess.

3. 3. 6. 2 Fl oor Wat er pr oof i ng

Appl y pr i mer at a r at e of 1/ 2 gal l on per 100 squar e f eet . Do not al l ow pr i mer t o puddl e. Conf i r m pr i mer i s dr y t o t he t ouch bef or e appl i cat i on of asphal t . Wher e sl ab abut s wal l s, ext end f i r st r ei nf or ci ng f abr i c a mi ni mum of 6 i nches on sl abs and 8 i nches on wal l s. At ver t i cal cor ner s, ext end f i r st f abr i c a mi ni mum of 5 i nches f r om cor ner s on each si de. Lap second f abr i c wi t h t he f i r st f abr i c a mi ni mum of 2 i nches. At f l oor dr ai ns, and el sewher e as i ndi cat ed, ext end f abr i c i nt o a c l ampi ng devi ce, set i n a heavy coat i ng of f l ashi ng cement , and secur el y c l amp.

3. 3. 7 Fabr i c Membr ane Rei nf or cement

Pr ovi de f abr i c membr anes t o r ei nf or ce f el t s at i nt er sect i ons. Pr ovi de r ei nf or cement consi st i ng of t wo pl i es of f abr i c membr ane cement ed i n pl ace and t o each ot her wi t h bi t umi nous pl ast i c cement not l ess t han 1/ 16 i nch t hi ck f or each coat i ng. At t he i nt er sect i on of s l abs and ver t i cal sur f aces, ext end t he f i r st pl y at l east 6 i nches on t he sl ab and 4 i nches up t he ver t i cal sur f ace. At i nt er sect i ons of t wo ver t i cal sur f aces, ext end t he f i r st pl y at l east 10 i nches on each si de of t he i nt er sect i on.

Pl ace second pl y t o l ap t he f i r st by not l ess t han 2 i nches.

3. 3. 8 Keyed Joi nt Foot i ngs

Pr ovi de membr ane f l ashi ng, neat l y f or med, t o t he cont our s of keyed j oi nt s i n f oundat i on wal l f oot i ngs. Ext end f l ashi ng t o t he out si de edge of t he f oot i ng, and t ur n t he f l ashi ng down 4 i nches. Cont i nue t he f l ashi ng t hr ough t he j oi nt t o t he i nsi de of t he wal l s and l ap t he f l ashi ng i nt o t he wat er pr oof i ng membr ane under t he s l ab. Pr ot ect t he f l ashi ng unt i l i t i s l apped by t he wat er pr oof i ng membr anes f or t he subsur f ace f l oor s l abs and

Apr i l 2019 Page 7 SECTI ON 07 12 00 f oundat i on wal l s. Pr ovi de f l ashi ng membr ane made up of t he same number and t ype mat er i al s as t he wat er pr oof i ng membr ane or a t her mopl ast i c mat er i al compat i bl e wi t h t he wat er pr oof i ng mat er i al s, as r ecommended by t he manuf act ur er i n wr i t i ng.

3. 3. 9 Fl ashi ng Fl anges

Pr i me f l ashi ng f l anges of pi pe sl eeves and duct s penet r at i ng t he wat er pr oof i ng membr ane. Al l ow pr i mer t o dr y. Pr ovi de f l anges wi t h t wo f abr i c membr ane col l ar s cement ed i n pl ace and t o each ot her wi t h bi t umi nous pl ast i c cement . Ext end col l ar s 4 and 6 i nches, r espect i vel y, beyond t he edge of t he f l anges, cover t he f l anges, and f i t t he f l anges t i ght agai nst t he s l eeve. Ext end wat er pr oof i ng connect ed t o wor k exposed t o weat her t o t he back of t he adj oi ni ng wor k, or count er f l ash t o f or m a wat er t i ght connect i on.

3. 3. 10 Cl ampi ng Devi ces

At f l oor dr ai ns and el sewher e, as i ndi cat ed, ext end membr ane i nt o c l ampi ng devi ce set i n heavy coat i ng of bi t umi nous pl ast i c cement , and cl amp securely.

3. 3. 11 Reglets

I nst al l cont i nuous r egl et s t o r ecei ve t he exposed edges of membr ane wat er pr oof i ng. Af t er pl acement of wat er pr oof i ng, compl et el y f i l l r egl et s wi t h bi t umen.

3. 4 FI ELD TEST

3. 4. 1 Sampl i ng and Test i ng of Bul k Li qui d Asphal t

Not i f y t he Cont r act i ng Of f i cer 5 wor ki ng days pr i or t o t he del i ver y dat e of asphal t . Take a mi ni mum of one quar t sampl e of each shi pment of bul k l i qui d asphal t when t he shi pment ar r i ves at t he const r uct i on s i t e. Obt ai n sampl es i n t he pr esence of t he Cont r act i ng Of f i cer usi ng cl ean one quar t , f r i c t i on l i d cans. Label sampl es t o i ndi cat e pr oj ect cont r act number , l ocat i on wher e used on pr oj ect , and dat e and t i me of ar r i val of shi pment f r om whi ch sampl e i s t aken. Gi ve sampl es t o t he Cont r act i ng Of f i cer f or saf ekeepi ng unt i l pi cked up by t he t est i ng l abor at or y. Pay f or t he t est i ng of t he bul k l i qui d asphal t by an i ndependent t est i ng company.

Sampl es t est ed t hat ar e f ound not i n compl i ance wi t h speci f i ed r equi r ement s wi l l be r ej ect ed. Remove and r epl ace wi t h new mat er i al s al l wat er pr oof i ng component s i nst al l ed wi t h asphal t f r om whi ch t he noncompl i ant sampl es wer e t aken, at no cost t o t he Gover nment .

3. 4. 2 Test of Membr ane Wat er pr oof i ng

Pr i or t o conceal ment , pl ug t he dr ai n and cover membr ane wat er pr oof i ng on hor i zont al sur f aces over f i ni shed spaces wi t h 3 i nches of ponded wat er f or 24 hour s t o t est wat er t i ght ness. Make car ef ul measur ement of t he wat er l evel at t he begi nni ng and end of t he 24- hour per i od. I f wat er l evel f al l s , dr ai n t he wat er , and t hor oughl y dr y and i nspect t he wat er pr oof i ng membr ane. Make r epai r s or r epl acement , as di r ect ed, and r epeat t est . Do not pr oceed wi t h wor k t hat conceal s membr ane wat er pr oof i ng bef or e appr oval of t est r esul t s.

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3. 5 PROTECTI VE COVERI NG

3. 5. 1 Ver t i cal Sur f aces

Pr ot ect membr ane wat er pr oof i ng agai nst whi ch backf i l l must be pl aced by pr ovi di ng pr ot ect i ve cover i ng pr essed i nt o t he f i nal moppi ng whi l e t he moppi ng of bi t umen i s st i l l hot . But t edges of pr ot ect i on boar d agai nst adj acent edges of pr ot ect i on boar ds. Cover exposed sur f aces wi t h a coat i ng of bi t umen. Wher e sur f aced f i ber boar d or mi ner al f i ber boar d i s used, pl ace sur f ace si de f aci ng out war d. Fi t boar d ar ound pi pes and pr oj ect i ons so as t o cover t he ent i r e sur f ace of t he membr ane waterproofing.

3. 5. 2 Hor i zont al Sur f aces

Pl ace pr ot ect i ve cover i ng over membr ane i mmedi at el y af t er appl i cat i on has t hor oughl y dr i ed. Remove pr ot ect i ve cover i ng i mmedi at el y bef or e pr oceedi ng wi t h wor k t hat wi l l conceal t he membr ane wat er pr oof i ng.

3. 6 CLEAN UP

Use a c l eaner r ecommended by t he wat er pr oof i ng manuf act ur er t o c l ean ot her wor k sur f aces t hat ar e st ai ned wi t h wat er pr oof i ng mat er i al .

3. 7 SCHEDULE OF MATERI ALS

Some met r i c measur ement s i n t hi s sect i on ar e based on mat hemat i cal conver si on of i nch- pound measur ement , and not on met r i c measur ement commonl y agr eed t o by t he manuf act ur er s or ot her par t i es. The i nch- pound and met r i c measur ement s shown ar e as f ol l ows:

Products Inch-Pound Metric

Pr ot ect i on Boar d 1/ 2 i nch

7/ 16 i nch

Pol yet hyl ene Sheet 30 l bs.

Lami nat ed Sheet 0. 40 l bs. per sq. f t

Copper Sheet 3 oz/ sq f t

5 oz/ sq f t

7 oz/ sq f t

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