Edwards Pitman 1 INDEPENDENT ROOFINO CONSULTANTS, INC.

APR 1 1987

RECEIVED . - --

270 South Bnstnl Stxe t . SUIW 201 Costa Mesa. Cc l~~drn ls Y2E26 734641-0777

March 24, 1987

Edwards Pi tman A r c h i t e c t s 120 E a s t de la Guer ra S t r e e t S a n t a B a r b a r a , CA 93101

A t t e n t i o n : Mr. John Pi tman

Refe rence : F a c u l t y Housing - UC S a n t a Barbara

Dear Mr. Pitman:

On March 1 6 , 1 7 and 18, 1987, a f i n a l r o o f i n s p e c t i o n was performed a t t h e above r e f e r e n c e d p r o j e c t . The p u r p o s e o f t h i s i n s p e c t i o n was t o c h e c k t h e q u a l i t y o f t h e i n s t a l l a t i o n o f t h e newly a p p l i e d b u i l t - u p , t i l e and c o m p o s i t i o n r o o f s y s t e m s , and a t t h e same time, check f o r any damages t h a t may have been caused by o t h e r trade^.

I a r r i v e d a t t h e p r o j e c t l o c a t i o n a t a p p r o x i m a t e l y 2:00 p.m. OII March 16. 1987, where I met w i t h Mr. John Powers o f Edwards Pi tman, who p rov ided m s w i t h a l a d d e r f o r r o o f access and a s i te p l a n . The i n s p e c t i o n was completed on March 18, 1987 a t a p p r o x i m a t e l y 3:00 p.m.

The f o l l o w i n g r e p o r t i s broken down i n t o t h r e e s e c t i o n s ; S e c t i o n A is v i s u a l d e f i c i e n c i e s noted on t h e b u i l d i n g s i n a l l c l u s t e r s ( A t h r o u g h H); S e c t i o n B i n c l u d e s i t e m s p e r t a i n i n g t o i n d i v i d u a l c l u s t e r s and S e c t i o n C r e f e r s t o items p e r t a i n i n g t o i n d i v i d u a l b u i l d i n g s .

s e c t i o n A - V i s u a l D e f i c i e n c i e s P e r t a i n i n g To A l l C l u s t e r s :

' 1 . ) A t s e v e r a l d i f f e r e n t l o c a t i o n s on e a c h b u i l d i n g , t h e metal c a p c o p i n g on t h e p a r a p e t walls i s b e i n g used as a s t u c c o s t o p a t t h e j u n c t i o n s between t h e e n d s of t h e p a r a p e t w a l l and a v e r t i c a l w a l l . One example is a t t h e f i r e p l a c e a n d . t h e p a r a p e t wall a round t h e l i v i n g room. According t o Mr. John Powers, d u r i n g t h e installation o f t h e metal c a p c o p i n g , t h e e n d s of t h e c a p c o p i n g were b e n t up a t a 9 0 d e g r e e a n g l e and a t t a c h e d t o t h e w a l l s t u d a t t h i s l o c a t i o n . The s t u c c o was t h e n i n s t a l l e d o v e r t h e t o p of t h e m e t a l c a p c o p i n g . The p o s s i b i l i t y o f m o i s t u r e e n t r y a t t h i s p o i n t still e x i s t s due t o t h e inward p i t c h of t h e t o p of t h e p a r a p e t w a l l which would d i r e c t w a t e r t o t h e i n s i d e c o r n e r behind t h e s t u c c o w a l l . It is recommended t h a t wherever t h i s d e t a i l e x i s t s 011 a l l b u i l d i n g s , t h a t t h e j u n c t i o n between t h e s t u c c o wall and t h e c a p c o p i n g be s e a l e d : w i t h a n approved e l a s t o r n e r i c c a u l k i n g i n s t a l l e d p e r t h e

. A n a l y s i s . S p e c i f ~ c a t i o n s . Q t ~ a l i t y ' C o n t r o l

m a n u f a c t u r e r ' s s p e c i f i c a t i o n s ( s e e p h o t o g r a p h s # 1 , 2 and 3. Also f o r v iews of t h e i n s t a l l a t i o n o f t h e metal c a p c o p i n g , see p h o t o g r a p h s #27. 28 and 29 o f IRC's f i n a l package. For t y p i c a l l o c a t i o n s of t h i s item, see photograph # 4 ) .

2 . ) The metal c a p c o p i n g i n s t a l l e d on t o p of t h e p a r a p e t w a l l s h a s been s e c u r e d t o t h e wall u s i n g round-headed r o o f i n g n a i l s i n s t a l l e d a p p r o x i m a t e l y 2 feet on c e n t e r t h r o u g h t h e o f t h e metal c a p c o p i n g . The b l u e p r i n t d e t a i l s s p e c i f y t h a t t h e c a p c o p i n g s h o u l d have been s e c u r e d w i t h f a s t e n e r s i n s t a l l e d t h r o u g h t h e s i d e s of t h e c a p cop ing . Although t h e h e a d s o f t h e f a s t e n e r s were covered w i t h t h e s e a l a n t , many of t h e n a i l s are back ing o u t due t o f o o t t r a f f i c on t o p o f t h e c a p c o p i n g , as many of t h e n a i l s were u n d e r d r i v e n t o p r e v e n t c u p p i n g o f t h e t o p o f t h e metal cap .

Al though t h e m a j o r i t y o f t h e cap c o p i n g t h r o u g h o u t t h i s complex were s l o p e d inward t o p r o v i d e d r a i n a g e from t h e t o p o f t h e w a l l s , t h e c o p i n g i n two of t h e c l u s t e r s ( c l u s t e r E and F) a p p e a r e d t o be a l m o s t l e v e l o r cupped due t o over -d r iv ing o f t h e n a i l s . Pho tograph # 8 shows m o i s t u r e remain ing on t o p o f t h e p a r a p e t wall d u e t o t h e o v e r - d r i v i n g o f t h e n a i l s on U n i t 973, c l u s t e r E ( r e f e r t o p h o t o g r a p h s #5 , 6 , 7, 8 and 9).

3.) The c a p c o p i n g i n s t a l l e d on t o p o f a l l t h e p a r a p e t w a l l s h a s a v e r t i c a l f a c e of 1-112 i n c h e s and i n s e v e r a l l o c a t i o n s , d o e s n o t e x t e n d o v e r t h e t o p of t h e o u t s i d e s t u c c o w a l l . Note: The r e a s o n f o r t h i s c o n d i t i o n is p r o b a b l y due t o t h e f a c t t h a t t h e m e t a l c a p c o p i n g was i n s t a l l e d p r i o r t o t h e s t u c c o i n s t a l l a t i o n and t h e s e a r e a s may have a n e x c e s s bui ld-up o f s t u c c o (see pho tograph # l o ) .

4 . ) The m a j o r i t y o f t h e b u i l t - u p roof a r e a s on b u i l d i n g s show e v i d e n c e of ponding water, i n c l u d i n g t h e g u t t e r a r e a s ( d i r t s t a i n s ) . A t t h e p r e s e n t time, t h e M i r r o r s h i e l d FR-105 c o a t i n g h a s n o t been a p p l i e d t o t h e b u i l t - u p r o o f s u r f a c e s , which would p r o v i d e some p r o t e c t i o n a g a i n s t t h e ponding water. P r i o r t o t h e i n s t a l l a t i o n of t h e M i r r o r s h i e l d c o a t i n g , a l l r o o f s u r f a c e s t h a t have t h e emuls ion c o a t i n g a p p l i e d s h o u l d be t h o r o u g h l y c l e a n e d of a l l d i r t and m o i s t u r e ( s e e pho tographs #11 , 12, 13 and 14) .

5.) The 2x6 s l e e p e r s u p p o r t s f o r t h e s o l a r p a n e l s have been i n s t a l l e d d i r e c t l y o v e r t h e c o m p o s i t i o n s h i n g l e r o o f s . The s l e e p e r s have been manufac tu red from a wolmanized lumber and a p p e a r t o be secured t h r o u g h t h e r o o f u s i n g l a g b o l t s w i t h t h e bot tom and t h e s i d e s of t h e s l e e p e r c o a t e d w i t h a mastic m a t e r i a l . It was no ted i n s e v e r a l l o c a t i o n s t h a t t h e s l e e p e r s were a l r e a d y s t a r t i n g t o s p l i t due t o w e a t h e r i n g . The o r i g i n a l d e t a i l c a l l e d f o r t h e s l e e p e r s t o be

c o v e r e d w i t h compos i t ion s h i n g l e s t o i n c o r p o r a t e them i n t o t h e roof s y s t e m . A s t h i s was i m p r a c t i c a l , IRC had s u g g e s t e d t h a t t h e s l e e p e r s be f l a s h e d i n u s i n g a Derbigum t o r c h e d on modi f i ed bitumen s h e e t . As was r e c o r d e d on IRC's d a i l y r e p o r t #52 ( d a t e d August 1 3 , 1986) , Bob Leming, t h e s i t e s u p e r i n t e n d e n t f o r G N K , e l e c t e d n o t t o go w i t h IRC's s u g g e s t e d d e t a i l and t o i n s t a l l t h e s l e e p e r s i n mastic on ly . I n t h e i r p r e s e n t c o n d i t i o n , f u t u r e l e a k s may deve lop when t h e boards start t o s p l i t w i t h a g e and when t h e m a s t i c used t o s e a l t h e l a g b o l t s a round t h e e d g e s , s p l i t s and c r a c k s w i t h a g e , which u s u a l l y b e g i n s w i t h i n one o r two y e a r s (see p h o t o g r a p h s #15, 16 and 17).

6 . ) On a l l roof j a c k s l o c a t e d around t h e c o p p e r w a t e r l i n e s f o r t h e s o l a r h e a t i n g u n i t s , a n a d d i t i o n a l e lectr ical wire h a s been i n s e r t e d t h r o u g h t h e r u b b e r s e a l a t t h e t o p of t h e j ack . With t h e a d d i t i o n a l e l e c t r i c a l w i r e i n s e r t e d t h r o u g h t h e j a c k a t t h i s l o c a t i o n , s m a l l o p e n i n g s e x i s t a round t h e p i p e p r e v e n t i n g a comple te seal. Also, a l a r g e number o f t h e j a c k s have t h e rubber boo t o r s e a l pushed down around t h e p i p e fo rming a cupp ing a c t i o n which d i r e c t s t h e wa te r d i r e c t l y t o t h e o p e n i n g s a round t h e e l e c t r i c a l w i r i n g . S e v e r a l of t h e j a c k s have been s e a l e d around t h i s opening w i t h m a s t i c b u t a s t h e t e m p e r a t u r e t h r o u g h t h e s e l i n e s w i l l be approx imate ly 150 d e g r e e s , t h e mastic w i l l soon ha rden and c r a c k , l e a v i n g t h i s a r e a exposed t o m o i s t u r e e n t r y a g a i n . It is s u g g e s t e d t h a t i f t h i s is t h e o n l y r o u t i n g a v a i l a b l e f o r t h e e l e c t r i c a l w i r i n g , t h a t t h e r u b b e r seal a round t h e t o p of t h e j a c k be r e p o s i t i o n e d s o t h a t water is completed shed from a round t h e p i p e and t h a t any a r e a s of t h e r u b b e r seal t h a t have been t o r n o r a n open ing e x i s t s , t h a t a s e a l a n t , t h a t w i l l w i t h s t a n d t h e t e m p e r a t u r e s produced by t h e h o t w a t e r i n t h e p i p e , be i n s t a l l e d a round t h e t o p edge of t h e r u b b e r f l a s h i n g . Also n o t e , i n t h e accompanying pho tographs t h a t t h e e l e c t r i c a l w i r i n g on a l l t h e b u i l d i n g s d o e s n o t a p p e a r t o be a w e a t h e r - r e s i s t a n t t y p e of w i r i n g and a l s o n o t e t h e w i r e s which are s p l i c e d w i t h w i r e n u t s , which are l e f t u n p r o t e c t e d from t h e wea the r ( s e e p h o t o g r a p h s #18, 1 9 , 20, 21, 2 2 and 23).

l ,. S e c t i o n B - I t e m s P e r t a i n i n g To D i f f e r e n t C l u s t e r s :

1.) The f i b r a t e d a s p h a l t i c emuls ion h a s n o t been a p p l i e d t o t h e g u t t e r s and t h e c a p s h e e t covered b u i l t - u p r o o f a r e a s i n t h e f o l l o w i n g l o c a t i o n s : C l u s t e r D, E, F and G. The emuls ion i s a l s o m i s s i n g from Uni t 919, which is a s i n g l e u n i t b u i l d i n g and i n t h e v a l l e y waterway between U n i t s 926 and 927. P r i o r t o i n s t a l l i n g t h e emuls ion , a l l r e p a i r s s h o u l d be made t o t h e c a p s h e e t f l a s h i n g and a l l s u r f a c e s s h o u l d be t h o r o u g h l y c l e a n e d .

b ;,, , ; ,?&j ::L , , , , '.:(&?+.

X . S e c t i o n C-c n d i v i d u a l U n i t s : ..., .,'

C l i l s t e r A - i - 1 . ) On ~ ' l e b u i l t - u p g u t t e r between t h e pyramids on u n i t 931 and 932, t h e r e a r e two s m a l l o p e n i n g s a d j a c e n t t o t h e d r a i n s c u p p e r . Openings s h o u l d bc s e a l e d w i t h p l a s t l c r o o f cement ( l e f e r t o photograph #32).

I

2 . ) A t t h e rear o f t h e m a s t e r bedroom, t h e r e is a m i s a n g r a k e t i l e , (. second c o u r s e f rom t h e bottom. T h i s area is open f o r m o i s t u r e e n t r y beh ind t h e s t u c c o wall ( r e f e r t o pho tograph #33) .

U n i t 934: \ I

.c'

1.) A t t h e r e a r o f t h e master bedroom, t h e r e is a m i s s i n g rake t i l e on t h e bot tom c o u r s e .

'l .. I . ) On t h e p a r a p e t wall a d j a c e n t t o t h e d r a i n sump a t ? h e r i g h t s i d e of t h e pyramid, t h e r e are two exposed Simplex n a i l s . Also, a p p r o x i m a t e l y 10 f e e t away f rom t h e exposed n a i l s t h e r e is t h e head o f a r o o f i n g n a i l s t e p p e d i n t o t h e c a p s h e e t . Exposed Simplex n a i l s s h o u l d ~~e c o a t e d w i t h mastic a s t h e s e a r e n o t c o r r o s i o n r e s i s t a n t n a i l s and w i l l r u s t w i t h a g e . The head o f t h e n a i l s h o u l d be removed and t h e h o l e r e ~ a i r e d w i t h a t h r e e c o u r s e a p p l i c a t i o n of mastic, webbing and m a s t i c , w i t h g r a n u l e s embedded. < U n i t 936:' 1 1 , , 1 , i

1 . ) Around t h e s k y l i g h t a t t h e r e a r of t h e b u i l d i n g , t h e r e a r e s e v s r a l exposed Simplex n a i l s i n t h e s k y l i g h t c u r b ( r e f e r t . 1 photograph #34) .

f

2 . ) On t h e small t i l e r o o f a d j a c e n t t o t h e s k y l i g h t bay, t h e r e is a broken f i e l d t i l e over t h e t i l e pan , t o p c o u r s e , marked w i t h a ye l low "X" ( r e f e r t o pho to #35) .

,-\

. . j ? , , , ~

7 1.) On t h e c o m p o s i t i o n s h i n g l e roof where t h e s o l a r p a n e l s a r e , t h e

' I : h e a t e r p i p e h a s been extended t h r o u g h t h e r o o f f u r t h e r t h a n t h e

& p o s i t i o n where i t was o r i g i n a l l y i n s t a l l e d . It u p p e a r s t h a t t h e

.' r o o f j a c k had been no tched around t h e t o p edge t o a l l o w f o r a wider open ing and. a t t h e p r e s e n t time, t h e r e i s an approx imate 1-1/2 i n c h

4. . ,. ' . ,

gap between t h e p i p e and t h e r o o f j a c k . The t o p of t h e r o o f j a c k s h o u l d be b e n t back i n a g a i n s t t h e p i p e and t h e a r e a s e a l e d w i t h mastic. I n a d d i t i o n , a metal ,+arm c o l l a r s h o u l d be p o s i t i o n e d a round thr t o p of t h e p i p e t o shed t h e water from t h i s a r e a ( s e e pho tograph # 3 6 ) . -- -

1.) I n t h e BUR g u t t e r a r e a o l e r t h e master bedroom, t h e comp r o o f s i d e , t h e r e are two a d j a c e n t b l i s t e r s a p p r o x i n a t e l y 2 f e e t l o n g i n t h e r, , c a p s h e e t b a s e f l a s h i n g . The b l i s t e r s s h o u l d be c u t open and the)& b l i s t e r a r e a checked f o r any p r e s e n c e of m o i s t u r e . I f m o i s t u r e i . s p r e s e n t , t h e area s h o u l d be a l lowed t o c o m p l e t e l y d r y b e f o r e r e p a i r i n g . Once t h e area is c o m p l e t e l y d r y , t h e c a p s h e e t s h o u l d be readhered w i t h p l a s t i c roof cement and t h e area o v e r t h e c u t s pa tched w i t h a t h r e e c o u r s e a p p l i c a t i o n of mastic, webbing and '

mastic, w i t h g r a n u l e s embedded ( s e e photograph $37).

2 . ) A t t h e r e a r o f t h e b u i l d i n g , i n t h e same B!JR bay as t h e s k y l i g h t , t h e r e is a round-headed r o o f i n g n a i l t h a t h a s t h e head s t e p p e d i n t o t h e c a p s h e e t s u r f a c i n g . The n a i l s h o u l d be removed and t h i s area pa tched w i t h a t h r e e c o u z s e a p p l i c a t i o n o f mastic, webbing and mastic, w i t h g r a n u l e s embedded. Also a round t h e s k y l i g h t c u r b , t h e r e a r e exposed Simplex n a i l s ( s e e pho to #38).

3 . ) On t h e lower t i l e r o o f , d i r e c t l y behind t h e pyramid, t h e r e i s a b token q u a r t e r w i d t h t i l e l o c a t e d on t h e t o p c o u r s e .

CLUSTER B

U n i t 941:

1.) I n t h e BUR a r e a , a t t h e r e a r o f t h e b u i l d i n g , t h e r e a r e two b l i s t e r s i n t h e c a p s h e e t s u r f a c i n g . B l i s t e r s s h o u l d be c u t open and t h e a r e a checked f o r t h e p r e s e n c e o f m o i s t u r e . Once t h o r o u g h l y d r i e d , t h e c a p s h e e t s h o u l d be r e a d h e r e d w i t h p l a s t i c r o o f cement and t h e c u t r e p a i r e d w i t h a t h r e e c o u r s e a p p l i c a t i o n of mastic, webbing and mastic, w i t h g r a n u l e s embedded ( s e e pho to iY39).

2 . ) S e v e r a l b l i s t e r s a l s o e x i s t i n t h e v a l l e y a r e a between u n i t s 941 and 942. B l i s t e r s s h o u l d be r e p a i r e d p e r c o r r e c t i v e a c t i o n i n Item #1 above ( s e e pho to # 4 0 ) .

~ U n i t 952:

1.) I n t h e v a l l e y area between u n i t 9 5 2 and 953, a t t h e f r o n t end , t h e r e is a n o p e n i n g a d j a c e n t t o t h e over f low s c u p p e r . The opening s h o u l d be r e s e a l e d w i t h , m a s t i c ( s e e pho tograph #48) .

U n i t 953:

1.) On t h e r e a r - p a r a p e t wall nex t t o t h e s k y l i g h t , t h e r e are two exposed Simplex n a i l s i n t h e w a l l f l a s h i n g s h e e t . Nails s h o u l d be s e a l e d w i t h ufastic. . ...~ ,

, <<4

U n i t 954:

. . 1 . ) A t t h e rear o f t h e v a l l e y area between u n i t 954 and 955, t h e r e i s a broken f i e l d t i l e , bot tom c o u r s e , n e x t t o t h e p a r a p e t w a l l - ( s e e pho tograph #49) . ."+

..A>,'>. .~ , ., .. . . ,... L ~ , ,

;T." - , ', ;.; 2 . ) On t h e o p p o s i t e s i d e o f t h e v a l l e y f rom i t e m #1 a b o v e , t h e r e is a

. ... !, r o o f j a c k f o r t h e s o l a r p a n e l l i n e t h a t h a s been i n s t a l l e d on t h e

. q,:;,: . ,. . % ~, ,' . wrong c o u r s e o f s h i n g l e s . The s i d e s o f t h e j a c k s s h o u l d be s e a l e d .. . , . . .:

,y. w i t h a t h r e e c o u r s e a p p l i c a t i o n o f mastic, webbing and mastic ( s e e - $ 'F: a l s o pho tograph #49). Note: Also l o c a t e d i n t h i s a r e a a r e 5 e x t r a

r a k e t i l e s s i t t i n g on t h e r i d g e and 2 e x t r a f i e l d t i l e s s i t t i n s i n . .: . * t h e v a l l e y . , : % .

.: 3 . ) The small t i l e r o o f beh ind t h e master bedroom, one o f t h e f i e l d . . . . , t i l e s a d j a c e n t t o t h e rear p a r a p e t w a l l h a s s l i d down and t h e r e a r e 1'' ..,. , . .

. . ~. , , e x t r a r a k e tiles s i t t i n g on t h e b u i l t - u p r o o f ( s e e

'50).

o c a t e d i n t h e g u t t e r area a round t h e pyramid h a s n o t c a t e d i n t h e l o w e s t p o i n t of t h e g u t t e r . Water a p p e a r s t o be

I n t h l s area t o a d e p t h o f a p p r o x i m a t e l y . 2 i n c h e s b e f o r e e n t e r i n g t h e d r a i n . ' It i s s u g g e s t e d t h a t a r e a t h a t is ponding w a t e r be d'overed w i t h a torched-on modi f i ed bitumen s h e e t t o p r o v i d e p r o t e c t i o n a g a i n s t t h e ponding water (see pho tograph #51).

~ U n i t 955:

1.) I n t h e g u t t e r area a round t h e l i v i n g room, n e x t t o t h e f i r e p l a c e , t h e r e a r e numerous l o o s e n a i l s , a s w e l l a s a n e x t r a d r a i n r i n g and s c r e e n . A f t e r removing t h e n a i l s , t h e a r e a s h o u l d be checked f o r a n y p u n c t u r e s t h a t may have been c a u s e d by n a i l s be ing s t e p p e d i n t o t h e c a p s h e e t s u r f a c i n g ( s e e pho tograph #52) .

.

March 24, 1987 Edwards Pi tman F a c u l t y Housing - UCSB F i n a l I n s p e c t i o n Pho tographs

Photograph #31

Photograph #32

March 24, 1987 Edwards Pitman Faculty Housing - UCSB Final Inspection photographs

Photograph #33

March 24, 1987 Edwards Pi tman F a c u l t y Housing - UCSB F i n a l I n s p e c t i o n Pho tographs

Phot

raph

March 24, 1987 Edwards Pitman Faculty Housing - UCSB Final Inspection Photographs

Photograph #37

Photograph #38

March 24, 1987 Edwards Pitrnan F a c u l t y Housing - UCSB F i n a l I n s p e c t i o n Photographs

raph X39

Photograph #40