Amendment 0004 referenced updated Specifications.pdf

West Point Building 620 Repair - West Point, NY AMENDMENT 0004 9/10/2020

* * * * * Amendment 0004* * * * *

SECTI ON 07 22 00

ROOF AND DECK I NSULATI ON

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.

ASTM I NTERNATI ONAL ( ASTM)

ASTM C208 ( 2012; R 2017; E 2017; E 2019) St andar d Speci f i cat i on f or Cel l ul osi c Fi ber I nsul at i ng Boar d

ASTM C552 ( 2017; E 2018) St andar d Speci f i cat i on f or Cel l ul ar Gl ass Ther mal I nsul at i on

ASTM C578 ( 2019) St andar d Speci f i cat i on f or Ri gi d, Cel l ul ar Pol yst yr ene Ther mal I nsul at i on

ASTM C726 ( 2017) St andar d Speci f i cat i on f or Mi ner al Wool Roof I nsul at i on Boar d

ASTM C728 ( 2017a) St andar d Speci f i cat i on f or Per l i t e Ther mal I nsul at i on Boar d

ASTM C1177/ C1177M ( 2017) St andar d Speci f i cat i on f or Gl ass Mat Gypsum Subst r at e f or Use as Sheat hi ng

ASTM C1289 ( 2019) St andar d Speci f i cat i on f or Faced Ri gi d Cel l ul ar Pol y i socyanur at e Ther mal I nsul at i on Boar d

ASTM D41/ D41M ( 2011; R 2016) St andar d Speci f i cat i on f or Asphal t Pr i mer Used i n Roof i ng, Damppr oof i ng, and Wat er pr oof i ng

ASTM D226/ D226M ( 2017) 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 D312 ( 2000; R 2006) St andar d Speci f i cat i on f or Asphal t Used i n Roof i ng

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

ASTM D4263 ( 1983; R 2018) St andar d Test Met hod f or I ndi cat i ng Moi st ur e i n Concr et e by t he Pl ast i c Sheet Met hod

SECTION 07 22 00 Page 1

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

ASTM D4601/ D4601M ( 2004; R 2020) St andar d Speci f i cat i on f or Asphal t - Coat ed Gl ass Fi ber Base Sheet Used i n Roof i ng

ASTM D4897/ D4897M ( 2016) St andar d Speci f i cat i on f or Asphal t - Coat ed Gl ass- Fi ber Vent i ng Base Sheet Used i n Roof i ng

ASTM E84 ( 2020) St andar d Test Met hod f or Sur f ace Bur ni ng Char act er i st i cs of Bui l di ng Materials

FM GLOBAL ( FM)

FM 4450 ( 1989) Appr oval St andar d f or Cl ass 1 I nsul at ed St eel Deck Roof s

FM 4470 ( 2010) Si ngl e- Pl y, Pol ymer - Modi f i ed Bi t umen Sheet , Bui l t - up Roof ( BUR) , and Li qui d Appl i ed Roof Assembl i es f or Use i n Cl ass 1 and Noncombust i bl e Roof Deck Construction

FM APP GUI DE ( updat ed on- l i ne) Appr oval Gui de http://www.approvalguide.com/

I NTERNATI ONAL CODE COUNCI L ( I CC)

I CC I BC ( 2018) I nt er nat i onal Bui l di ng Code

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

NFPA 1 ( 2018) Fi r e Code

SCI ENTI FI C CERTI FI CATI ON SYSTEMS ( SCS)

SCS SCS Gl obal Ser vi ces ( SCS) I ndoor Advant age

UNDERWRI TERS LABORATORI ES ( UL)

UL 1256 ( 2002; Repr i nt Jul 2013) Fi r e Test of Roof Deck Const r uct i ons

UL 2818 ( 2013) GREENGUARD Cer t i f i cat i on Pr ogr am For Chemi cal Emi ssi ons For Bui l di ng Mat er i al s, Fi ni shes And Fur ni shi ngs

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 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 eNot ebook, i n conf or mance wi t h Sect i on 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:

SECTION 07 22 00 Page 2

SD- 02 Shop Dr awi ngs

I nsul at i on Boar d Layout and At t achment ; G

Ver i f i cat i on of Exi st i ng Condi t i ons; G

SD- 03 Pr oduct Dat a

I nsul at i on; G

Fast ener s; G

Recycl ed Cont ent For I nsul at i on; S

SD- 06 Test Repor t s

Fl ame Spr ead Rat i ng; G

SD- 07 Cer t i f i cat es

I nst al l er Qual i f i cat i ons; G

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

Nai l s and Fast ener s; G

Roof I nsul at i on; G

1. 3 SHOP DRAWI NGS

Submi t i nsul at i on boar d l ayout and at t achment i ndi cat i ng met hods of at t achment and spaci ng, t r ansi t i ons, t aper ed component s, t hi cknesses of mat er i al s, and cl osur e and t er mi nat i on condi t i ons. Show l ocat i ons of r i dges, val l eys, cr i cket s, i nt er f ace wi t h, and sl ope t o, r oof dr ai ns.

Base shop dr awi ngs on ver i f i ed f i el d measur ement s and i ncl ude ver i f i cat i on of exi st i ng condi t i ons. Show l ocat i on and spaci ng of wood nai l er s r equi r ed f or secur i ng of i nsul at i on and backnai l i ng of r oof i ng f el t s.

1. 4 PRODUCT DATA

I ncl ude dat a f or mat er i al descr i pt i ons, r ecommendat i ons f or pr oduct shel f l i f e, r equi r ement s f or cover boar d or coat i ngs, and pr ecaut i ons f or f l ammabi l i t y and t oxi c i t y. I ncl ude dat a t o ver i f y compat i bi l i t y of seal ant s wi t h i nsul at i on.

1. 5 MANUFACTURER' S I NSTRUCTI ONS

I ncl ude f i el d of r oof and per i met er at t achment r equi r ement s.

Pr ovi de a compl et e descr i pt i on of i nst al l at i on sequenci ng f or each phase of t he r oof i ng syst em. I ncl ude weat her pr oof i ng pr ocedur es.

1. 6 QUALI TY CONTROL

Pr ovi de cer t i f i cat i on of i nst al l er qual i f i cat i ons f r om t he i nsul at i on manuf act ur er conf i r mi ng t he speci f i c i nst al l er has t he r equi r ed qual i f i cat i ons f or i nst al l i ng t he speci f i c r oof i nsul at i on syst em( s) indicated.

SECTION 07 22 00 Page 3

1. 7 CERTIFICATIONS

Pr ovi de pr oduct s cer t i f i ed t o meet i ndoor ai r qual i t y r equi r ement s by UL 2818( Gr eenguar d) Gol d, SCS Gl obal Ser vi ces I ndoor Advant age Gol d or pr ovi de cer t i f i cat i on by ot her t hi r d- par t y pr ogr ams. Pr ovi de cur r ent pr oduct cer t i f i cat i on document at i on f r om cer t i f i cat i on body.

1. 8 DELI VERY, STORAGE, AND HANDLI NG

1. 8. 1 Delivery

Del i ver mat er i al s t o t he pr oj ect s i t e i n manuf act ur er ' s unopened and undamaged st andar d commer ci al cont ai ner s bear i ng t he f ol l owi ng l egi bl e information:

a. Name of manuf act ur er

b. Br and desi gnat i on

c. Speci f i cat i on number , t ype, and cl ass, as appl i cabl e, wher e mat er i al s ar e cover ed by a r ef er enced speci f i cat i on

Del i ver mat er i al s i n suf f i c i ent quant i t y t o al l ow cont i nui t y of t he wor k.

1. 8. 2 St or age and Handl i ng

St or e and handl e mat er i al s 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 r om damage, exposur e t o open f l ame or ot her i gni t i on sour ces, wet t i ng, condensat i on, and moi st ur e absor pt i on. 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. St or e i n an encl osed bui l di ng or t r ai l er t hat pr ovi des a dr y, adequat el y vent i l at ed envi r onment . [ St or e f el t r ol l s on ends. For t he 24 hour s i mmedi at el y bef or e appl i cat i on of f el t s, st or e f el t s i n an ar ea mai nt ai ned at a t emper at ur e no l ower t han 50 degr ees F above gr ade and havi ng vent i l at i on on al l s i des. ] Repl ace damaged mat er i al wi t h new material.

1. 9 ENVI RONMENTAL CONDI TI ONS

Do not i nst al l r oof i nsul at i on dur i ng i ncl ement weat her or when ai r t emper at ur e i s bel ow 40 degr ees F and i nt er i or humi di t y i s 45 per cent or gr eat er , or when t her e i s v i s i bl e i ce, f r ost , or moi st ur e on t he r oof deck.

1. 10 PROTECTION

1. 10. 1 Compl et ed Wor k

Cover compl et ed wor k wi t h cover boar d f or t he dur at i on of const r uct i on.

Avoi d t r af f i c on compl et ed wor k par t i cul ar l y when ambi ent t emper at ur e i s above 80 degr ees F. Repl ace cr ushed or damaged i nsul at i on pr i or t o r oof sur f ace i nst al l at i on.

SECTION 07 22 00 Page 4

Repl ace damaged mat er i al wi t h new material.

PART 2 PRODUCTS

2. 1 INSULATION

2. 1. 1 I nsul at i on Types

Pr ovi de one, or an assembl y of a maxi mum of t hr ee, of t he f ol l owi ng r oof i nsul at i on mat er i al s. Pr ovi de r oof i nsul at i on t hat i s compat i bl e wi t h at t achment met hods f or t he speci f i ed i nsul at i on and r oof membr ane.

a. Pol y i socyanur at e Boar d: Pr ovi de i n accor dance wi t h ASTM C1289 REV A Type I I , f i br ous f el t or gl ass mat membr ane bot h s i des, except mi ni mum compr essi ve st r engt h of 20 pounds per squar e i nch ( psi ) .

2. 1. 2 Recycl ed Mat er i al s

Pr ovi de t her mal i nsul at i on mat er i al s cont ai ni ng r ecycl ed cont ent .

Pr ovi de dat a i dent i f y i ng per cent age of r ecycl ed cont ent f or i nsul at i on.

2. 1. 3 I nsul at i on Thi ckness

As necessar y t o pr ovi de t he t her mal r esi st ance ( R- val ue) i ndi cat ed Base cal cul at i on on t he R- val ue f or aged i nsul at i on.

2. 1. 4 Taper ed Roof I nsul at i on

One l ayer of t he t aper ed r oof i nsul at i on assembl y must be f act or y t aper ed t o a s l ope of not l ess t han one i n 1/ 4 i nch per f oot . Fact or y f abr i cat e mi t er ed j oi nt s f r om t wo di agonal l y cut boar ds or one boar d shaped t o pr ovi de r equi r ed sl opes.

2. 2 COVER BOARD

For use as a t her mal bar r i er ( under l ayment ) , f i r e bar r i er ( over l ayment ) , or cover boar d f or hot - mopped, t or ched- down, or adhesi ve- appl i ed r oof i ng membr ane over r oof i nsul at i on.

2. 2. 1 Gl ass Mat Gypsum Roof Boar d

ASTM C1177/ C1177M, 0 Fl ame Spr ead and 0 Smoke Devel oped when t est ed i n accor dance wi t h ASTM E84, 500 psi , Cl ass A, non- combust i bl e, 1/ 2 i nch t hi ck, 4 by 8 f eet boar d s i ze.

2. 3 FASTENERS

2. 3. 1 Roof i ng Nai l s f or Wood Decks

Bar bed 11 gauge, z i nc- coat ed nai l s wi t h 7/ 16 t o 5/ 8 i nch di amet er heads or annul ar r i ng shank, squar e head, one pi ece composi t e nai l s. Pr ovi de nai l s l ong enough t o penet r at e wood deck at l east 5/ 8 i nch wi t hout pr ot r udi ng t hr ough under si de of decki ng.

2. 3. 2 Fast ener s f or Pl ywood Decks

Annul ar r i ng shank, squar e head, one pi ece composi t e nai l s l ong enough t o penet r at e i nt o pl ywood decks appr oxi mat el y 1/ 2 i nch wi t hout pr ot r udi ng t hr ough under si de of decki ng.

SECTION 07 22 00 Page 5

Base cal cul at i on on t he R- val ue f or aged i nsul at i on.

2. 3. 3 Fast ener s f or St eel Decks

Appr oved har dened penet r at i ng f ast ener s or scr ews i n accor dance wi t h FM 4450 and l i s t ed i n FM APP GUI DE f or Cl ass I r oof deck const r uct i on.

Quant i t y and pl acement t o wi t hst and a mi ni mum upl i f t pr essur e of 60 psf i n accor dance wi t h FM APP GUI DE.

PART 3 EXECUTI ON

3. 1 EXAMI NATI ON AND PREPARATI ON

3. 1. 1 Sur f ace I nspect i on

Ensur e sur f aces ar e c l ean, smoot h, and dr y pr i or t o appl i cat i on. Check r oof deck sur f aces, i ncl udi ng sur f aces sl oped t o r oof dr ai ns and out l et s, f or def ect s bef or e st ar t i ng wor k.

The Cont r act or must i nspect and appr ove t he sur f aces i mmedi at el y bef or e st ar t i ng i nst al l at i on. Pr i or t o i nst al l i ng i nsul at i on, per f or m t he following:

a. Exami ne wood decks t o ascer t ai n t hat deck boar ds have been pr oper l y nai l ed and t hat exposed nai l heads have been set .

b. Exami ne st eel decks t o ensur e t hat panel s ar e pr oper l y secur ed t o st r uct ur al member s and t o each ot her and t hat sur f aces of t op f l anges ar e f l at or s l i ght l y convex.

3. 1. 2 Sur f ace Pr epar at i on

Cor r ect def ect s and i naccur aci es i n r oof deck sur f ace t o el i mi nat e poor dr ai nage f r om hol l ow or l ow spot s, per f or m t he f ol l owi ng:

a. Pr ovi de wood nai l er s of t he same t hi ckness as t he i nsul at i on at eaves, edges, cur bs, wal l s, and r oof openi ngs f or secur i ng of cant st r i ps, gr avel st ops, and f l ashi ng f l anges. Space nai l er s i n accor dance wi t h appr oved shop dr awi ngs.

b. Fi l l or cover cr acks or knot hol es l ar ger t han 1/ 2 i nch i n di amet er i n wood decks as necessar y t o f or m an unyi el di ng sur f ace.

3. 2 I NSULATI ON I NSTALLATI ON

3. 2. 1 I nst al l at i on Usi ng Onl y Mechani cal Fast ener s

Secur e t ot al t hi ckness of i nsul at i on wi t h penet r at i ng t ype f ast ener s.

3. 2. 2 Speci al Pr ecaut i ons f or I nst al l at i on of Foam I nsul at i on

3. 2. 2. 1 Pol y i socyanur at e I nsul at i on

Wher e pol y i socyanur at e f oam boar d i nsul at i on i s pr ovi ded, i nst al l 1/ 2 i nch t hi ck gl ass mat gypsum r oof boar d over t op sur f ace of f oam boar d i nsul at i on. St agger j oi nt s of i nsul at i on wi t h r espect t o f oam boar d i nsul at i on bel ow.

SECTION 07 22 00 Page 6

3. 3 PROTECTION

3. 3. 1 Pr ot ect i on of Appl i ed I nsul at i on

Compl et el y cover each day' s i nst al l at i on of i nsul at i on wi t h f i ni shed r oof i ng speci f i ed on same day. Phased const r uct i on i s not per mi t t ed.

Pr ot ect open spaces bet ween i nsul at i on and par apet s or ot her wal l s and spaces at cur bs, scut t l es, and expansi on j oi nt s, unt i l per manent r oof i ng and f l ashi ng ar e appl i ed. St or i ng, wal k i ng, wheel i ng, or t r ucki ng di r ect l y on i nsul at i on or on r oof ed sur f aces i s not per mi t t ed. Pr ovi de smoot h, c l ean boar d or pl ank wal kways, r unways, and pl at f or ms near suppor t s, as necessar y, t o di st r i but e wei ght i n accor dance wi t h i ndi cat ed l i ve l oad l i mi t s of r oof const r uct i on. Pr ot ect exposed edges of i nsul at i on wi t h cut of f s at t he end of each wor k day or whenever pr eci pi t at i on i s i mmi nent . Cut of f s must be t wo l ayer s of bi t umi nous- sat ur at ed f el t set i n pl ast i c bi t umi nous cement or EPDM membr ane set i n r oof cement . Fi l l al l pr of i l e voi ds i n cut of f s t o pr event t r appi ng moi st ur e bel ow t he membr ane. Remove cut of f s when wor k r esumes.

3. 3. 2 Damaged Wor k and Mat er i al s

Rest or e wor k and mat er i al s t hat become damaged dur i ng const r uct i on t o or i gi nal condi t i on or r epl ace wi t h new mat er i al s.

3. 4 INSPECTION

Est abl i sh and mai nt ai n i nspect i on pr ocedur es t o assur e compl i ance of t he i nst al l ed r oof i nsul at i on wi t h cont r act r equi r ement s. Remove, r epl ace, cor r ect i n an appr oved manner , any wor k f ound not i n compl i ance. Qual i t y cont r ol must i ncl ude, but i s not l i mi t ed t o, t he f ol l owi ng:

a. Obser vat i on of envi r onment al condi t i ons; number and ski l l l evel of i nsul at i on wor ker s; st ar t and end t i me of wor k.

b. Ver i f i cat i on of cer t i f i cat i on, l i s t i ng or l abel compl i ance wi t h FM Dat a Sheet s. ( https://www.fmglobal.com/fmglobalregistration/Downloads.aspx )

c. Ver i f i cat i on of pr oper st or age and handl i ng of i nsul at i on and vapor r et ar der mat er i al s bef or e, dur i ng, and af t er i nst al l at i on.

d. I nspect i on of vapor r et ar der appl i cat i on, i ncl udi ng edge envel opes and mechani cal f ast eni ng.

e. I nspect i on of mechani cal f ast ener s; t ype, number , l engt h, and spaci ng.

SECTION 07 22 00 Page 7 f . Coor di nat i on wi t h ot her mat er i al s, cant s, s l eeper s, and nai l i ng st r i ps.

g. I nspect i on of i nsul at i on j oi nt or i ent at i on and l aps bet ween l ayer s, j oi nt wi dt h and bear i ng of edges of i nsul at i on on deck.

h. I nst al l at i on of cut of f s and pr oper j oi ni ng of wor k on subsequent days.

i . Cont i nuat i on of compl et e r oof i ng syst em i nst al l at i on t o cover i nsul at i on i nst al l ed same day.

j . Ver i f i cat i on of r equi r ed sl ope t o each r oof dr ai n.

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-- End of Section --

SECTION 07 22 00 Page 8

SECTION 07 31 26

SLATE SHINGLES

08/09

PART 1 GENERAL

1.1 REFERENCES

The publications listed below form a part of this specification to the extent referenced. The publications are referred to within the text by the basic designation only.

ASTM INTERNATIONAL (ASTM)

ASTM B370 (2012) Standard Specification for Copper Sheet and Strip for Building Construction

ASTM C406/C406M (2015) Standard Specification for Roofing Slate

ASTM D146/D146M (2004; E 2012; R 2012) Sampling and Testing Bitumen-Saturated Felts and Woven Fabrics for Roofing and Waterproofing

ASTM D226/D226M (2017) Standard Specification for Asphalt-Saturated Organic Felt Used in Roofing and Waterproofing

ASTM D412 (2016) Standard Test Methods for Vulcanized Rubber and Thermoplastic Elastomers - Tension

NATIONAL ROOFING CONTRACTORS ASSOCIATION (NRCA)

NRCA 3740 (2005) The NRCA Waterproofing Manual

SHEET METAL AND AIR CONDITIONING CONTRACTORS' NATIONAL ASSOCIATION

(SMACNA)

SMACNA 1793 (2012) Architectural Sheet Metal Manual, 7th Edition

* * * * * Amendment 0004* * * * *

1.2 SYSTEM DESCRIPTION

New sl at e shal l mat ch t o gr eat est ext ent possi bl e t he exi st i ng s l at e r oof .

Establish units of work, including removal of existing materials, preparation of existing surfaces and application of underlayment, nailers, and related temporary and/or permanent flashing. The progression of work shall be laid out and presented to the Contracting Officer to prevent other trades from working on or above completed roofing. Do no store materials on roof decks in such a manner as to overstress and/or damage the deck and supporting structure. Avoid placing of loads at midspans of framing so that superimposed loads are well distributed. Vertical surfaces which project through the roof surface at a right angle to the

SECTION 07 31 26 Page 1 slope of the roof shall have a cricket (sometimes referred to as a saddle) built into the roof to divert water away from the back of the vertical member, as shown.

* * * * * Amendment 0004* * * * *

1.3 SUBMITTALS

Government approval is required for submittals with a "G" designation;

submittals not having a "G" designation are for Contractor Quality Control approval. Submittals with an "S" are for inclusion in the Sustainability eNotebook, in conformance to Section 01 33 29 SUSTAINABILITY REPORTING.

Submit the following in accordance with Section 01 33 00 SUBMITTAL

PROCEDURES:

SD-02 Shop Drawings

Drawings; G RO

SD-03 Product Data

Qualifications

SD-04 Samples

Slate

Accessories for Slate Roofs

Sealants

Underlayment Membrane

Fasteners

SD-07 Certificates

Materials

1.4 QUALITY ASSURANCE

Provide qualified workers, trained and experienced in installing slate roofing systems of this configuration, and submit documentation of 5 consecutive years of work of this type. Show familiarity with and perform work in accordance with SMACNA 1793 and NRCA 3740. As proof of Qualifications, submit documentation showing qualifications of personnel proposed to perform the roofing work, and a list of installations made identifying when, where, and for whom the installations were made. Submit drawings showing slate installation and appearance details, flashing details, and nailing patterns for the slates. Provide project photos from past projects which utilize graduated slate installation.

1.4.1 Existing Conditions Documentation

Prior to removal of roof provide photographic documentation of existing conditions of roof at all ridges, valleys, and hips. Photographic documentation shall be acquired from a remote access device such as a bucket lift, cherry picker or drone and shall not include any foot traffic on the slates.

SECTION 07 31 26 Page 2

1.4.2 Mock-Up

1.4.2.1 Mock-Up Panel Location

After material samples are approved and prior to starting slate work, construct a mock-up panel. At least 48 hours prior to constructing the panel, submit written notification to the Contracting Officer. Do not build-in mock-up panel as part of the structure; locate mock-up panel where directed. Locate panel in an area where it will not be disrupted during construction.

1.4.2.2 Mock-Up Panel Configuration

Construct mock-up panel to represent all roof elements at roof eave.

Construct panel 4 foot wide and extending 6 foot up roof from gutter.

Mock-up panel slope shall match roof slope. Mock-up panel shall be constructed such that gutter conditions matches conditions present on existing building.

1.4.2.3 Mock-Up Panel Composition

Include all elements that shall be part of interface of gutter, flashings and slate at roof eave. If slate tiles are reused they shall be intermingled with new slate tiles in mock-up show full color range and texture of slate.

1.4.2.4 Mock-Up Panel Purpose

The completed panel is used as the standard of workmanship and appearance for new slate roof. Do not commence slate work until the mock-up panel has been completed and approved. Approval required by West Point DPW personnel responsible for historic preservation. Protect panel from the weather and construction operations until the slate work has been completed and approved. After completion of the work, completely remove the mock-up panel, including all foundation concrete, from the construction site.

1.5 DELIVERY, STORAGE, AND HANDLING

Deliver materials in manufacturer's unopened bundles and containers with the manufacturer's brand and name marked clearly thereon. Store shingles in accordance with manufacturer's printed instructions and roll goods on-end in an upright position. Immediately before laying, store roofing felt for 24 hours in an area maintained at a temperature not lower than 50 degrees F.

1.6 PROJECT/SITE CONDITIONS

Perform slate roofing operations when existing and forecasted weather conditions permit work in accordance with manufacturer's recommendations and warranty requirements. Apply elastomeric membrane underlayment only in fair weather when air and surface temperatures are above 40 degrees F.

Provide temporary protection materials maintained on the site at all times for temporary roofing, flashing, and other protection when delays and/or changed weather conditions do not permit completion of each unit of work prior to the end of each working day. Remove and discard materials which have been used for temporary roofing, flashing and other protection.

SECTION 07 31 26 Page 3

1.7 WARRANTY

Furnish a warranty against defects in material and workmanship of slate roof assembly, including related metal flashing for a period of 10 years from date of final acceptance of the work. Contractor shall inspect the completed project every 12 months for the first 3 years of the warranty period, at year 5 and a final inspection at year 10. Inspections shall be from a remote access device such as a bucket lift, cherry picker, or drone and shall not include any foot traffic on the slates.

PART 2 PRODUCTS

2.1 MATERIALS

Submit certificates of compliance attesting that the materials meet specification requirements.

2.1.1 Slate

Provide slate conforming to ASTM C406/C406M. Slate shall be Grade A, (ASTM S1), hard, dense rock, punched or drilled for two nails each.

Cracked slate shall not be used. Exposed corners shall be full. Broken corners on covered ends which sacrifice nailing strength or the laying of a watertight roof will not be allowed. Submit three representative shingles to show color range.

2.1.1.1 Graduated Roof Slate

Slate shall be rough texture and shall vary in thickness from eave to ridge. The thicknesses shall be intermingled in the various courses, modulating from the heavier and thicker slates in the lower courses of the roof to the thinner slates at the ridge. Slate shall be in standard random widths graduated in length from eave to ridge, and shall be applied with standard 3 inch lap and exposures. Existing slate shall be used to determine minimum and maximum slate thicknesses and lengths. Design intention is new slate roof will be visually similar to existing slate roof.

2.1.1.2 Slate Colors

Slate shall be semi-weathering slate. Color shall match existing slate roof.

2.1.2 Underlayment Membrane

Furnish an underlayment membrane on all surfaces to be covered with slate. Membrane shall consist of asphalt-saturated felt. Submit a 1 by 1 foot section.

2.1.2.1 Roofing Felt

Roofing felt shall be asphalt-saturated rag felt, Type II, No. 30 asphalt felt in accordance with ASTM D226/D226M.

2.1.2.2 Elastomeric Membrane Underlayment

Membrane shall be a cold applied composite self-adhering membrane of not less than 0.004 inch high strength polyethylene film with slip resistant embossing, coated on one side with a thick layer of adhesive-consistency

SECTION 07 31 26 Page 4 rubberized asphalt, interwound with a disposable silicone coated release sheet. The tensile strength and elongation values shall be not less than 250 psi when tested in accordance with ASTM D412 and pliability shall be unaffected when tested in accordance with ASTM D146/D146M.

2.1.2.3 Elastomeric Membrane Accessories

Two component urethane, mastic and primer shall be as approved by the membrane manufacturer. Flashing, expansion joint covers, temporary UV protection and corner fillets shall be as recommended by the membrane manufacturer.

2.1.3 Nails

Nails shall be large-headed slater's solid copper nails of Number 10 or 11 gauge metal. Nails shall be 3d for slates 18 inch or less in length; 4d nails shall be used for slates 20 inch or longer, and 6d nails shall be used for slates on hips and ridges. Thicker slates require longer and heavier gauge nails. The proper size shall be determined by adding 1 inch to twice the thickness of the slate. Nails shall be of sufficient length to adequately penetrate the roof sheathing. Nails used to retain copper flashing and slate at rake edges, hips, ridges, and eaves prone to wind damage shall be of the ring shank design.

2.1.4 Flashing

Flashing shall be 20 ounce, light cold-rolled temper (H00) copper conforming to ASTM B370. Flashing shall be in accordance with the requirements as specified in Section 07 57 13 FLASHING AND SHEET METAL.

2.1.5 Elastic Cement

Elastic cement shall be an approved brand of waterproof elastic slater's cement colored to match as nearly as possible the general color of the slate.

2.1.6 Acid Neutralizing Wash

Acid neutralizing wash shall be non-destructive wash formulated to neutralize the effects of acid deposits resulting from the past burning of fossil fuels (particularly coal). The wash shall not change the color, appearance, or life of the slate roof, copper flashing and accessories, underlayment, adhesives or the wall surfaces of the building.

2.1.7 Sealants

Sealants, where required, shall be in accordance with the slate manufacturer's recommendations. Submit 8 ounces of each type.

2.2 ACCESSORIES FOR SLATE ROOFS

2.2.1 Crickets or Saddles

Provide crickets of light rafter construction covered with sheathing, underlayment, and copper sheet metal specified in Section 07 57 13 FLASHING AND SHEET METAL. If the cricket area is large and exposed to view, it shall be slated the same as other roof areas.

SECTION 07 31 26 Page 5

2.2.2 Snow Guards

Provide nonferrous metal snow guards, Basis of Design: Sieger Model C Snow Guard.

PART 3 EXECUTION

3.1 PROTECTION OF ROOF SURFACES

Use equipment (such as padded ridge ladders) and techniques to prevent damage to roof as a result of foot or material traffic. Contractor is responsible for controlling breakage of new or existing slate beyond what is indicated. Personnel who are working on the roof shall wear proper shoes which will not further damage slates; shoe soles shall be made of a material which will aid in preventing falls.

3.1.1 Installation Plan

Submit a detailed installation plan for approval prior to beginning the work indicating the methods to be used to apply the slates to the roof and protect the installed slates from damage. The plan shall contain a narrative description and a drawing clearly depicting the layout for work access devices such as padded roof jacks for walkways, padded chicken walk placements between walkways, and other means of protecting newly installed slates and any existing slates to remain. Details shall be provided that clearly indicate how work access devices shall be installed/incorporated and the sequence of Work to include these devices. Under no circumstances shall any foot traffic be allowed on newly installed slates or existing slates to remain. The Plan shall indicate how the work access devices will keep foot traffic off the slates at all times.

3.1.2 Inspection

Contractor's quality control inspections and inspections by the Government shall take place as the Work progresses to coordinate with the installation and removal of the work access devices. Notify the Contracting Officer a minimum of 48 hours in advance of requested inspections and maintain work access devices in place to provide access to uninspected areas until final acceptance by the Government.

3.2 SLATE REMOVAL

Where work involves partial replacement or repair of roof, verify each slate for tightness and continued use. Perform testing with broad, flat-nosed, slater's pliers. Slates which have been identified for replacement or re-installation shall be marked with a non-destructive color mark removable by solvent, rather than water, and for approval within 30 days after Notice to Proceed. Slates fastened with non-copper fasteners shall be re-fastened with proper copper fasteners. Submit representative samples of each fastener with identifying tags.

3.3 PREPARATION OF SURFACES

Roof deck surfaces shall be smooth, clean, firm, dry, and free from loose boards, large cracks, and projecting ends that might damage the roofing.

Foreign particles shall be cleaned from interlocking areas to ensure proper seating and to prevent water damming. Prior to installation of slate, vents and other projections through roofs shall be properly flashed and secured in position, and projecting nails shall be driven firmly home.

SECTION 07 31 26 Page 6

3.4 ROOFING FELT

Lay felt in horizontal layers with joints lapped toward eaves and at ends at least 2 inches, and secured along laps and at ends as necessary to hold the felt in place and protect the structure until covered with the slate.

Felt shall be preserved unbroken, tight and whole. Felt shall lap hips and ridges at least 12 inches to form a double thickness and shall be lapped 2 inches over the metal of valleys or built-in gutters.

3.5 ELASTOMERIC MEMBRANE UNDERLAYMENT

3.5.1 Surface Preparation

Remove dust, dirt, loose nails or other protrusions. Priming is not required for wood or metal surfaces but is necessary on concrete or masonry surfaces.

3.5.2 Primer

Primer shall be applied at a coverage rate of 250-350 sq. ft./gal. Primer shall be applied by spray or paint roller. Pine wood decks shall be covered with minimum 1/4 inch plywood prior to receiving membrane coverage.

3.5.3 Membrane Application

Apply membrane according to manufacturer's instructions and adhere it directly to roof deck. Cut the membrane into 10 to 15 foot lengths and re-roll it. The release paper shall be peeled back 1 to 2 feet; align the membrane on the lower edge of the roof when the first 1 to 2 feet are placed. The release paper under the membrane shall be peeled from the membrane and the membrane pressed in place. Lower edges shall be rolled firmly with a wallpaper or hand roller. For ice dam protection, apply the membrane to reach a point above the highest expected level of ice dams;

refer to drawings for extent. Ends and edges shall be overlapped a minimum of 6 inches. Membrane shall not be folded onto an exposed face of the roof edge.

3.5.4 Valley and Ridge Application

Cut the membrane into 4 to 6 foot lengths. Peel the release paper sheet and center over the valley or ridge, then drape and press in place, working from the center of the valley or ridge outward in each direction.

For valleys, apply membrane shall starting at the low point and working upwards. Overlap all sheets a minimum of 6 inches.

3.5.5 Vertical Membrane Flashings

Vertical wall installations must receive primer prior to the application of membrane. Apply primer at a coverage rate of 250-350 sq. ft./gal.

Membrane shall be turned up walls and dormers as indicated. Vertical membrane terminations shall be mechanically fastened and shall receive a troweling of mastic as approved by the membrane manufacturer. Membrane may be folded onto the fascia, provided it will be covered by a gutter metal edge or other material.

3.5.6 Protection

Do not leave elastomeric membrane underlayment permanently exposed to

SECTION 07 31 26 Page 7 sunlight. Cover membrane with exposed roofing materials as soon as possible. Patch membrane damaged due to exposure to sunlight prior to the application of final roof covering.

3.6 METAL FLASHING

Metal flashing shall be as shown at intersections of vertical or projecting surfaces through the roof or against which the roof abuts, such as walls, parapets, dormers, and sides of chimneys. Flashing installation shall be in accordance with Section 07 57 13 FLASHING AND SHEET METAL.

3.7 SLATING

3.7.1 Repair and Replacement

Intermingle existing reusable slates removed from the repair area with new slates to provide a smooth visual transition between new and existing areas. Apply slating as indicated.

3.7.2 Slate Coursing

The slate shall project 2 inches at the eaves and 1 inch at gable ends, and shall be laid in horizontal courses with 3 inch headlap (unless otherwise indicated), and each course shall break joints with the preceding one by at least 3 inches. Slates at the eaves or cornice line shall be doubled and canted 1/4 inch by a wooden cant strip, using same thickness slate for under-eaves at first exposed course. Under-eave slate shall be approximately 3 inches longer than exposure of first course.

There shall be no through joints from the roof surface to the underlayment.

3.7.3 Nailing

Fasten each slate with a minimum of two copper nails of sufficient length to penetrate the roof decking at least 3/4 inch or through the decking thickness, whichever is less. Where the underside of roof decking is exposed to view, such as in overhanging eaves, the nails shall be long enough to penetrate the roof decking but not so long that they may be driven through the decking. The heads of slating nails shall just touch the slate and shall not be driven "home" or draw the slate, but left with the heads just clearing the slate so that the slate hangs on the nail.

Nails in slates overlapping sheet metalwork shall not puncture the sheet metal. Exposed nails are permissible only in top courses where unavoidable, but covered with elastic cement. Hip slates and ridge slates shall be laid in elastic cement spread thickly over unexposed surface of under courses of slate, nailed securely in place and pointed with elastic cement.

3.7.4 Vertical Surfaces

Fit slate neatly around pipes, ventilators, chimneys and other vertical surfaces.

3.7.5 Hips

Lay hips to match existing slate roof condition at hips.

3.7.6 Ridges

Lay ridges to match existing slate roof condition at ridges. Pass the

SECTION 07 31 26 Page 8 nails of the combing slate through the joints of the slate below. Lay the combing slate with the same exposure as the next course down. Project combing slates sloping away from the direction of the prevailing storms 1 inch above the combing slate on the opposite side of ridge.

3.7.7 Valleys

Lay valleys to match existing slate roof condition at valleys. Form open-type valleys with the main roof at cricket areas. The size of the cricket is largely determined by the roof condition. Unless noted otherwise, the slope of the cricket shall be the same as the slope of the roof.

SECTION 07 31 26 Page 9

SECTION 07 52 00

MODIFIED BITUMINOUS MEMBRANE ROOFING

05/12

PART 1 GENERAL

1.1 REFERENCES

The publications listed below form a part of this specification to the extent referenced. The publications are referred to within the text by the basic designation only.

AMERICAN SOCIETY OF CIVIL ENGINEERS (ASCE)

ASCE 7 (2017) Minimum Design Loads for Buildings and Other Structures

AMERICAN SOCIETY OF SAFETY PROFESSIONALS (ASSP)

ASSP A10.24 (2014) Roofing - Safety Requirements of Low-Sloped Roofs

ASPHALT ROOFING MANUFACTURER'S ASSOCIATION (ARMA)

ARMA 410BUR88 (2001) Manual of Roof Maintenance and Repair

ARMA PMBRG98 (1998) Quality Control Guideline for the Application of Polymer Modified Bitumen Roofing

ASTM INTERNATIONAL (ASTM)

ASTM C208 (2012; R 2017; E 2017) Standard Specification for Cellulosic Fiber Insulating Board

ASTM C552 (2017; E 2018) Standard Specification for Cellular Glass Thermal Insulation

ASTM C578 (2018) Standard Specification for Rigid, Cellular Polystyrene Thermal Insulation

ASTM C726 (2017) Standard Specification for Mineral Wool Roof Insulation Board

ASTM C728 (2017a) Standard Specification for Perlite Thermal Insulation Board

ASTM C1153 (2010) Standard Practice for Location of Wet Insulation in Roofing Systems Using Infrared Imaging

ASTM C1289 (2018a) Standard Specification for Faced Rigid Cellular Polyisocyanurate Thermal Insulation Board

SECTION 07 52 00 Page 1

ASTM D41/D41M (2011; R 2016) Standard Specification for Asphalt Primer Used in Roofing, Dampproofing, and Waterproofing

ASTM D312/D312M (2016a) Standard Specification for Asphalt Used in Roofing

ASTM D1668/D1668M (1997a; R 2014; E 2014) Glass Fabrics (Woven and Treated) for Roofing and Waterproofing

ASTM D1863/D1863M (2005; R 2011; E 2012) Mineral Aggregate Used on Built-Up Roofs

ASTM D1970/D1970M (2018) Standard Specification for Self-Adhering Polymer Modified Bituminous Sheet Materials Used as Steep Roofing Underlayment for Ice Dam Protection

ASTM D2170/D2170M (2018) Standard Test Method for Kinematic Viscosity of Asphalts (Bitumens)

ASTM D2824/D2824M (2018) Standard Specification for Aluminum-Pigmented Asphalt Roof Coatings, Non-Fibered, and Fibered without Asbestos

ASTM D4073/D4073M (2006; E 2019; R 2019) Standard Test Method for Tensile-Tear Strength of Bituminous Roofing Membranes

ASTM D4263 (1983; R 2018) Standard Test Method for Indicating Moisture in Concrete by the Plastic Sheet Method

ASTM D4402/D4402M (2015) Viscosity Determination of Asphalt at Elevated Temperatures Using a Rotational Viscometer

ASTM D4586/D4586M (2007; E 2012; R 2012) Asphalt Roof Cement, Asbestos-Free

ASTM D4601/D4601M (2004; R 2012) Asphalt-Coated Glass Fiber Base Sheet Used in Roofing

ASTM D4637/D4637M (2015) EPDM Sheet Used in Single-Ply Roof Membrane

ASTM D4897/D4897M (2016) Standard Specification for Asphalt-Coated Glass-Fiber Venting Base Sheet Used in Roofing

ASTM D5147/D5147M (2014) Standard Test Methods for Sampling and Testing Modified Bituminous Sheet Material

ASTM D6162/D6162M (2016) Standard Specification for Styrene Butadiene Styrene (SBS) Modified Bituminous Sheet Materials Using a Combination of Polyester and Glass Fiber

SECTION 07 52 00 Page 2

Reinforcements

ASTM D6163/D6163M (2016) Standard Specification for Styrene Butadiene Styrene (SBS) Modified Bituminous Sheet Materials Using Glass Fiber Reinforcements

ASTM D6164/D6164M (2016) Standard Specification for Styrene Butadiene Styrene (SBS) Modified Bituminous Sheet Materials Using Polyester Reinforcements

ASTM D6222/D6222M (2016) Standard Specification for Atactic Polypropylene (ARP) Modified Bituminous Sheet Materials Using Polyester Reinforcements

ASTM D6223/D6223M (2016) Standard Specification for Atactic Polypropylene (ARP) Modified Bituminous Sheet Materials Using a Combination of Polyester and Glass Fiber Reinforcements

ASTM D6298 (2016) Standard Specification for Fiberglass Reinforced Styrene-Butadiene-Styrene (SBS) Modified Bituminous Sheet with a Factory Applied Metal Surface

ASTM E108 (2011) Fire Tests of Roof Coverings

FM GLOBAL (FM)

FM 4470 (2010) Single-Ply, Polymer-Modified Bitumen Sheet, Built-up Roof (BUR), and Liquid Applied Roof Assemblies for Use in Class 1 and Noncombustible Roof Deck Construction

FM APP GUIDE (updated on-line) Approval Guide http://www.approvalguide.com/

INTERNATIONAL CODE COUNCIL (ICC)

ICC IBC (2018) International Building Code

INTERNATIONAL SAFETY EQUIPMENT ASSOCIATION (ISEA)

ANSI/ISEA Z87.1 (2015) Occupational and Educational Personal Eye and Face Protection Devices

MIDWEST ROOFING CONTRACTORS ASSOCIATION (MRCA)

CERTA (2007) NRCA/MRCA Certified Roofing Torch Applicator Program

NATIONAL FIRE PROTECTION ASSOCIATION (NFPA)

NFPA 58 (2020) Liquefied Petroleum Gas Code

SECTION 07 52 00 Page 3

NFPA 241 (2019) Standard for Safeguarding Construction, Alteration, and Demolition Operations

NATIONAL ROOFING CONTRACTORS ASSOCIATION (NRCA)

NRCA C3701 (1997) Repair Manual for Low Slope Membrane Roof Systems

NRCA CONDET (2014) Construction Details Manual

NRCA RoofMan (2017) The NRCA Roofing Manual

SHEET METAL AND AIR CONDITIONING CONTRACTORS' NATIONAL ASSOCIATION

(SMACNA)

SMACNA 1793 (2012) Architectural Sheet Metal Manual, 7th Edition

SINGLE PLY ROOFING INDUSTRY (SPRI)

ANSI/SPRI/FM 4435/ES-1 (2017) Test Standard for Edge Systems Used with Low Slope Roofing Systems

U.S. DEPARTMENT OF ENERGY (DOE)

Energy Star (1992; R 2006) Energy Star Energy Efficiency Labeling System (FEMP)

U.S. NATIONAL ARCHIVES AND RECORDS ADMINISTRATION (NARA)

29 CFR 1910 Occupational Safety and Health Standards

29 CFR 1910.12 Construction Work

29 CFR 1926 Safety and Health Regulations for Construction

29 CFR 1926.16 Rules of Construction

UNDERWRITERS LABORATORIES (UL)

UL 790 (2004; Reprint Jul 2014) Standard Test Methods for Fire Tests of Roof Coverings

UL RMSD (2012) Roofing Materials and Systems Directory

1.2 DESCRIPTION OF ROOF MEMBRANE SYSTEM

Minimum three-ply SBS modified bitumen roof membrane consisting of modified bitumen base sheet,interply sheet and cap sheet. Modified bitumen roof membrane must be set in cold-applied adhesive.

All work must follow the NRCA RoofMan guidelines and standards stated within this Section.

SECTION 07 52 00 Page 4

1.3 SUBMITTALS

Government approval is required for submittals with a "G" designation;

submittals not having a "G" designation are for Contractor Quality Control approval. Submittals with an "S" are for inclusion in the Sustainability eNotebook, in conformance with Section 01 33 29 SUSTAINABILITY REPORTING.

Submit the following in accordance with Section 01 33 00 SUBMITTAL

PROCEDURES:

SD-02 Shop Drawings

Roof Plan; G RO drawing depicting wind loads and boundaries of enhanced perimeter and corner attachments of roof system components, as applicable

Field Inspection and Existing Conditions Report

Identify all fire safety issues including exposed or concealed combustible materials, which may require additional protection during roof installation.

* * * * * Amendment 0004* * * * *

SD-03 Product Data

Modified Bitumen Sheets; G RO

Asphalt

Cold-Applied Membrane Adhesive; G RO

Primer; G RO

Modified Bitumen Roof Cement; G RO

Pre-Manufactured Accessories

Fasteners And Plates; G RO

Vapor Bar r i er ; G

Sample Warranty certificate; G RO

Submit all data required by Section 07 22 00 ROOF AND DECK INSULATION, together with requirements of this section. Include in data written acceptance by the roof membrane manufacturer of the products and accessories provided. Provide products as listed in the applicable wind uplift and fire rating classification listings, unless approved otherwise by the Contracting Officer.

* * * * * Amendment 0004* * * * *

SD-05 Design Data

Wind Uplift Calculations; G RO

Provide Engineering calculations, signed, sealed, and dated by a qualified Engineer validating the wind resistance per ASCE 7, ASTM D4073/D4073M , and ANSI/SPRI/FM 4435/ES-1 of non-rated roof

SECTION 07 52 00 Page 5 system.

SD-07 Certificates

Provide evidence that products used within this specification are manufactured in the United States.

Qualification of Manufacturer

Certify that the manufacturer of the modified bitumen membrane meets requirements specified under paragraph QUALIFICATION OF

MANUFACTURER.

Qualification of Applicator

Certify that the applicator meets requirements specified under paragraph QUALIFICATION OF APPLICATOR.

Qualification of Engineer of Record

Certify that the Engineer of Record is fully qualified, competent, and currently licensed to practice in the project jurisdiction.

Wind Uplift Resistance; G RO classification, as applicable

Fire Resistance classification; G RO

Submit the roof system assembly wind uplift and fire rating classification listings.

* * * * * Amendment 0004* * * * *

SD-08 Manufacturer's Instructions

Modified Bitumen Membrane Application; G RO

Flashing; G RO

Cold Adhesive Applied Modified Bitumen Membrane; G RO

Base Sheet attachment, including pattern and frequency of mechanical attachments required in field of roof, corners, and perimeters to provide for the specified wind resistance.

Primer

Fasteners

Coating Application; G RO

Cold Weather Installation; G RO

Include detailed application instructions and standard manufacturer drawings altered as required by these specifications. Include membrane manufacturer requirements for nailers. Explicitly identify in writing, differences between manufacturer's instructions and the specified requirements.

SECTION 07 52 00 Page 6

I nst al l at i on of Vapor Bar r i er ; G

* * * * * Amendment 0004* * * * *

SD-11 Closeout Submittals

Warranty

Information Card

Instructions To Government Personnel

Include copies of Safety Data Sheets for maintenance/repair materials.

Submit 20 year "No-Dollar-Limit" warranty for labor and materials.

1.4 QUALITY ASSURANCE

1.4.1 Qualification of Manufacturer

Modified bitumen sheet roofing system manufacturer must have a minimum of 5 years experience in manufacturing modified bitumen roofing products.

1.4.2 Qualification of Applicator

Roofing system applicator must be approved, authorized, or licensed in writing by the modified bitumen sheet roofing system manufacturer and have a minimum of three years experience as an approved, authorized, or licensed applicator with that manufacturer and be approved at a level capable of providing the specified warranty. The applicator must supply the names, locations and client contact information of five projects of similar size and scope that the applicator has constructed using the manufacturer's roofing products submitted for this project within the previous three years.

1.4.3 Qualification of Engineer of Record

Engineer of Record must be currently licensed within the jurisdiction of the project.

Wind uplift requirements in accordance with :

a. ASCE 7, in accordance with International Building Code.

b. Seismic requirements per local and state building codes.

c. Snow load requirements per ICC IBC Chapter 16 Section 1608.3 and Section 7 of ASCE 7.

1.4.4 Fire Resistance

Complete roof covering assembly must:

a. Be Class A or B rated in accordance with ASTM E108, FM 4470, or UL 790 ;

and

b. Be listed as part of Fire-Classified roof deck construction in UL RMSD, SECTION 07 52 00 Page 7 or Class I roof deck construction in FM APP GUIDE.

FM or UL approved components of the roof covering assembly must bear the appropriate FM or UL label.

1.4.5 Wind Uplift Resistance

Provide a complete roof system assembly that is rated and installed to resist wind loads indicated and validated by uplift resistance testing in accordance with Factory Mutual (FM) test procedures. Do not install non-rated systems, except as approved by the Contracting Officer. Submit licensed engineer's Wind uplift calculations and substantiating data to validate any non-rated roof system. Base wind uplift measurements on a design wind speed in accordance with ASCE 7 and other applicable building code requirements.

1.4.6 Preroofing Conference

After approval of submittals and before performing roofing system installation work, hold a preroofing conference to review the following:

a. Drawings, including Roof Plan, specifications and submittals related to the roof work.

b. Roof system components installation.

c. Procedure for the roof manufacturer's technical representative's onsite inspection and acceptance of the roof structure, and roofing substrate, the name of the manufacturer's technical representatives, the frequency of the onsite visits, distribution of copies of the inspection reports from the manufacturer's technical representatives to roof manufacturer.

d. Contractor's plan for coordination of the work of the various trades involved in providing the roofing system and other components secured to the roofing.

e. Quality control, (ARMA PMBRG98) plan for the roof system installation.

f. Field inspection and existing conditions report identifying all fire safety issues including exposed or concealed combustible materials, which may require additional protection during roof installation.

g. Safety requirements.

Coordinate preroofing conference scheduling with the Contracting Officer.

The conference must be attended by the Contractor, the Contracting Officer's designated personnel, and personnel directly responsible for the installation of roofing and insulation, flashing and sheet metal work, other trades interfacing with the roof work, designated safety personnel trained to enforce and comply with ASSP A10.24 , and a representative of the roofing materials manufacturer. Before beginning roofing work, provide a copy of meeting notes and action items to all attending parties. Note action items requiring resolution prior to start of roof work.

SECTION 07 52 00 Page 8

1.5 DELIVERY, STORAGE, AND HANDLING

1.5.1 Delivery

Deliver materials in manufacturers' original unopened containers and rolls with labels intact and legible. Mark and remove wet or damaged materials from the site. Where materials are covered by a referenced specification, the container must bear the specification number, type, and class, as applicable. Labels or bill of lading for roofing asphalt must indicate asphalt type, FP, FBT, and EVT, that is, the temperature at which the viscosity is either 125 centistokes when tested in accordance with ASTM D2170/D2170M or 75 centipoise when tested in accordance with ASTM D4402/D4402M . Deliver materials in sufficient quantity to allow work to proceed without interruption.

1.5.2 Storage

Protect materials against moisture absorption and contamination or other damage. Avoid crushing or crinkling of roll materials.