1614696spc13of19_APP-B5.pdf

APPENDIX - B

(PART-5)

GEOTECHNICAL

ENGINEERING REPORT

FY21 MCON PROJECT P-095

REPLACE SUBMARINE PIER 3

NAVAL STATION NORFOLK, NORFOLK, VA

eProjects Work Order No. 1614696 A-E Contract No. N40085-18-D-1100

Delivery Order N40085-19-F-4195

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T2~ ·: 'L.E DRIVi)JG RECORD

P (1.:, m_ A-, .r -,6>~.~./ .Q ¢.

S:TE, ~ .... ..72 ,c .... ,/

Type &".fd.;s.!~<&_ 1i<.:·rr·:ER . Hake & Nod.l ma ,f-/i!7 Tip D1 ... -:1 . /y in. 13..lt. I:ian-. -. -L,-:-:.,.' --:i"'n-. Stroke: Rated~~_-1~a.:l s . __ "~----

PILE:

Length /La ft . __ in. 't,eight. of Ram /C), QCe lb •

MA~DREL (Ii' Us •. ;) , Description:

DRIVING CA?, Ar~VIL, BASE, ETC . ~

1&ngth _ ft . ___ in :-T.eigi"lt __ ~lb .

weigr.t D@s~riptio:1. ____ _

RE'.ARK5, FOLLmlER (If Used) , Dascript,ion:

~r.gth ___ _ ft. ___ in . w~ight ___ lb . ------~~.~~~~.P~------------

PENEI'R J..TIOlh H~.# Elev . of ~ .f- ,:;'·dt:? • Elev . o:f Tip (af7te~r-d!'-rC:i'::n"· ~:Og')-_-/-:e-::;.~_-:,.-:'I?-'-"~- BLOwS PE? MUlUTE:

Start Driving ---cc-=----.- A .~ .

I~(') "/ !. P. M.

Fin:'sh Driving _,-,-...,.",....,- A . ~ .

/?/..5 fI P . !-! .

Drivl.ng Time _-"'''':..,. -'~_ n1

Fe oro~s tS1C;'I S h tllows 'J:Hc .... s blows 810".<lS I J:I~O"'S B~ou :

Pe:' Per Per L PdZ' Per Per Per Per

FQot. ~:t"J:; _ Foot • . Foot I:r:. F('·)+· ~.. Foot ~ Foot Ft,. Foot F"t Foot

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- ------.... 1;;; ------ -- 1,--

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---- .. -.. - ;/--------'bZ.--------- I", -- .. - - --- '10 - - ----- fA' --+~--- ~'r;cil- .. 77 .. - - - 5:id---"---i i -------·"'·-;'i. - -------1£;" --- --- . r·._ - --- • •••.• - •. ,;:. -- ---- - 81- - -- ~ · - ··-!~(,= · - /9 ---- ' . ',f.. --- ---

.. -+-- -----.. · .• · ·------.. - Ii:, ~ -- ---- .. --=" .. ---.. --- :;= - ---"- IFP -- ~---' ;ii'\ -::z:r --- liI~"---- t . , , l'

RIG NO . _iI!~~uL_

. . . . .-----._- - -- ---- --- -- _--J

T:i:~; ' : :-3 :XUVI;IG RECORD P:W: ~,O . AuoJ B,·.v:/ oX'::(

S:TE, Ar-,K- J</~:? 6 -tt J )B NO .~y,n;:-"':l DATE, A<'7-' ? - /?~"" .PILE: Type ~,.,./h".,Jj_c;,A~ HAl·l·lER, !-!ake & Nodel / ,7;:;$ 0$'- / '"

T~ r"\ Di .. ,lil . / € i n. BJ.t .. Z::'i.1tl. / &, in . Stroke : Rated .3 ~~:J"e J, ::; . -, Length / / 0 . f t . i n. v.eij)ht. o f Rmn ", 61< c,;'~ __ l b. - --

J.1A'1'JREL (If" Us"d) , DRIVING CAP, AKVI L, BASE, ETC . ~ Desor iption: wcigr.t D~s::; ri ptio:'l 1<ngth ft . i n . l.'eight. l b .

FOLLO;1E.~ (It Used) : HE·ARKS: ...0/.:1<:«: {.

Descripti on: - -r..ngth ft. . - W~ight __ lb • ~ ... ---

PENETR ATION4 <-tf El ev . of - J4 7' 6 ·,30 - El ev. of Tip (after dr i vi ng) / (?., ... 70 !' BLO\;S PEP. Hn·jUTE: .r..r

'l'll-!E: St.art Dr i ving a 9~!!: A .~ . Finish Dri .... ing 09 / 1 .' A . ~.~ . Dr ivl.ng Time J " ni -p . ~! . P . :' . •

Blv'.ls Blows !:':-ows • Jj:o .... s !):Ol-::; J:I_~C"'S B10W SJ BlolI ' Per Per Pe L>- ?er Per Per Per -..

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1 ' , 6 101' o.

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70 o · , , !?ii ------_. -- -------- ---_ ... _". :,:;;.. -------- 1;;0 -------, ·9~--· - ----- lie ::t~--• , ,< ",-

-~ -------- _. -------- r,:; -- --.'- -- --------_. ;;,,··· ·· --· ··- ·I'i~ -------- ------------ --- ------ 2l " Q ,. , --. - --- ---- ?? ----- --" r,,- --. ----- -----_.+. --- --- -- iR2 --.•... " . . __ . _. r-·.:r --· --- ------- t:: " ,;- Q , -i -------- ·------- -h "--.. _--- -- -- "---- -- --.. ----- 18>1------- '- -~E -- :.~-----

- .. ------z' c;. "1 }l'

-0 -------- ?,' -- -"---'.';Q "._----- ~f ·------+0 --.------ IR: -.. ------+ CQ ----~- . .. - -. :;:; ~ ----- -., -fo -------- -.--un.ife .'u. ___ _ .

I~;; -.---.-- '75 -------- 8~1 ---- - ·-· ~i"oc - :71---- - -" ------2:: - , " c...!.

-- --_ ... '., .. .. --------1£1 .-- --... . . _ .. - - . -.. _- -+------- d------ ' - ".' - . . ...::f ···--- ;;:: f. ------, ' ;'(j _. , ',-' I~C -, .~ .

I ____ ____ L_ 17?~------- - --------- _ .. ._------- ._L' ._-----, .. . . ---.--- -------.. ------_ ..

ii~ f .- ,'~ , :':? C;7 '0' ~~ 117 "

I · . --.. ----,_.,. .-------- -- --------- --.------ d ------.- RA -------_.

~ii'i -:;,----- --- -------

:~ .. - 118 t ' 1·- -.'--. - -- -- ---- ---. -- --.. ----- ~i

--.. ----- Ii; -------- Ee -------- ~. -T----· ------ 1 . ! .- , 11'" .' ,

- ----- 10'·-· ---00- _._----- .

16(: -----. ~ --- -------- fiji ----_ .. _ .. - io' r--7"' " .·w _ -------I i; L' " ": :'Y.'

RIG NO , ~ 3 FOREr'lA;~:C'lA/ .f.4j,lN~'/ !!ECORDSR: 7t~ . d17flt"'<~[ ;;

----.--- -=.----=:7 -- ,---- - ?Z!': )1:'"£ DRIVi 'G RECORD

'P r - '7 • • L..~ !'IG , Aq~ tC.. #,~/ ~

SITE : &;'k_ "'d« 6"'/ J )8 NO 4", "-<''''? DATE: .J.; 1--.;?/-/:!#'" • • PILE: Type ?-e"'J~~JJ c., ..<: HA.!·;HER: Make &. Nodel //l.c..e ..f- /t1J

T~ n Dia"1 . /t: in. 3.:it: Dian. /'& in . Stroke: Rated ----.::l...:... 2..r __ r~e<ls . -, Length £k f t . in , v.eight of Ram /~dLJd l b. ---

!-1A~DREL ( II' Us~d ) : DRIVING CA?, ANVI L, BASE, ETC , :

Descr iption: \'Icigr.t Oescr iptio:"l lenGth ft . i n . \-.eight, lb .

FO LLOI'!E.~ (If Used) : REr-!ARKS ~ &'~~'.:

Descripti on : . -Length ft. in. Weieht ___ l b . ----

PENETRATION·4 u.ff

El ev . of ~ :;" C; ~Z E:i.ev. of Tip (af ter dr iving) - P ,..,J'£ BLOWS PEP. MliiUTE: ."rv-

'l' ll~: Sta.rt Dri ving A . t~ . Fi n i sh Dri .... ing A .:-: . Dr ivl.ng Time ,:;~ ni ~ .. s::/ Z p . !.; . Lf..:l.:l P . :.: .

.iHo .... s Jjlows l tHoW's j "_ows :Hol-:s !Hc~ s B:"ows B~OH:

Per Per Per ?~r Per ?er Per Per Ft Foot. 11'1 Foot Foot l>o, Foot .' . Foot ~ Foot <!., Foot F~ J.oot . ..

.. ------_ . .. ..------ .. .. -·· .. ·h~ .. · r .. 1,;1 ---.---- 176 "_Zo'" [ii ._------ ._ . .------1 ,< '1 06

·-2 .. ----- ti -.. -.... i1"2 ---.- .. ~ - .. .. .. _ .. _ .... 1.._ _. -._--- Iii -- -----_ . 1'9 i' -- ---...• -I;", --~---~,7 , !t)2 /19

.. -.. .. __ .• -.-- .-,; -- ------ .. -- ---- _ .. I;.'i ---.---.- -. -------- ~- "Jr-' ·;;,1--------- :-;:;, -.. ---- 1 " ,. , :~ I

I -- _ ..• _---- -- --------- ------0): · --- ---- .- ---- ---- _ .. -------_ .. .... ·~ - -.. Zc -"'2Z-"- ,;:;q Q " ) 70 0' , . ----/-- _. ) -----_ .. - I", -------- ':;2 --------- 2;: ' -;;0--" ii<i ·7i.-·-· '9' -.------ "e ------" ~, .. , '" -------- 121 -------- ._------- ... ~-. . ';;'(-" ;;0"-"0:; --2,'" .- --------- ... ------,< ." q l"i 1 , " '; ---- ----. ;;? - -_.- - - - :;- -------- ·-f L.-- --'T'" 82 --_ .. _--- '2-, -_ .. _---- ,i, ------.. t:' ... f,· <- /?' .- -------- · .... · .. -ho: --- .. _--- +.- l~.- - - j( .... ii; .. 7]' .. .. --------- . __ .- ------?- ~~ ~ '<",1 ~ 11'

___ ___ __ 1 __

-------- 2f .. --~-- . I~o · -·"V-" I.e.! .'& .... +0'; _ ___ .0_·. __ . ------, . ;Q , ,- ), , I' -n·---4t5c -1'1.---.. ,~;; . --+ --. _.<j-- -- 185 --- ... ------------ 2~ ---------TF· ------ - -- 170 . -10 "' r'i ~-- .. ---.~ ... . .----.. ·bl· .---.... ' · 7'; .... -~ .. -.~- -+_.:?--... Br- '-n ' . -.. ../ . . .. ------ ;-: -= 1-. __ ...

;.(, 7' p" ~ i -. · ---.-- - .. . .. _ . . __ . l_ .. L .. ___ ._ .. ._.!.- ...

:72 "~?' -' - 8-; - -'j[~-" ' . iii; ._------- --- .------ I .- '''1 11,2 ,,/ 117

1·- -----_._-. .. - .. · .. ·-· 11. ~ -------- -.. ._--1----- :;:~ .. ~,y . . - I iiii -::;'T- -· ;,:;, -------- ._. -------c ""'r- 118 I .

) .. -.-- - . ---. .. ---- -- -- . - -_ .. _---- . . _,.----- '7i -'(7-'-' ~ - -- ----- iiir -------- --. . ------, ,0 ~c l "l n I

, ~c , L~ -"-----. -=0 -" 7 . -.- 7~ " /L; ' -- 9C --~-- .. -.. - . " ---'" -- -~: 1-- ---_ •

, 1O. W '2':

RI G NO . ';<.3 FORE!:1A.N" : C , U/ J',t.,,,,e,G..,.....,/ RECORDER. «/)!( ~ ... /6.

T~:; JL.E DRlvr~m RECORD

P[L.!: KO. ~/J .d".~ .. ·r /0

S J lB :1O .,...IY .... Wo.7 D!.TE, y(;& «/-/9~~ , PILE, Type /'-,,"'.s /.rq-f cP", Tip D1 ... "1 • .4 in .-B:lt::- D~~i::"'-m-. -/#-'i::n-.

Length $0"> ft . ___ in.

1i®'lER: Make & f:cde l ~ ..£'-A:?

Stroke : Rrttcd~';';J ___ l·:eas .

weight of Rar:: / t$ C"co __ lb .

MAt\DREL (If Us,d) : DRIVING CAP, A~;VIL, BASE, ETC . ~ Oeser L&n,Gt wCigr.t De.scriptio:l _____ _ iPtion .. '~==;t~====~n:-r.eIgE~====~~ h _ rt . ___ i n. l.eigr.t. ___ lb .

FOLLO\1E R (If Used): RE~RKS:

Do?scr ipt.ion:

!.<lngt h ____ ft. ___ in . \'r'eight __ lb . ----------------------------

PENErRA Elev .

TI011:.e~r/ .

of .. 7. r 6 _22 t

Eiev .

Tn:!::

c.l p of Tip (after dr iving) a>/,; 2p!. Bl.O~'1S PER MI1v11'r:E :

.A . r~ . Finish Dri ..... ing - 0-:;;:0-:-;-- A. :-1 . Drivlng Time //'t.

~ . !'; . /3,;/;'< P. L er Per Per Per c ..... s

Per Per Per F<

Q'JS lOWS I L C\O:S o\o:s

FQ gO~<~-¥~==£g~==~''f==F~O~o~t,==-~ F~~~~~._~oot Foot ..n..

OWSJJjlO'"

Foo",,_ . QQi

1 1 - - ------ i!~6 - - -·· - - - -1~i -- ------ 6 106

- -~j --,.

_____ ___ ___ ________ 1 _________ _

IS2 9

1 ~~; --- - - --- 1":

0' , 10

Q li 1

,- '2

-------- ." ------ ··-f·i c r-- 'r----o· · - ' 0· .--------

" - --- -- - -- 'IF ._--_-_-_-_--- ----f.2Of' _--+--_-_-_-_-..,' ",0,_--<-/.£.--_--_--+"'8-'10; '-.--':;;"--'-9'-:..-_-_- i;--· -------- : 1 j _. ____ ...... __ _ L __ . ,___ _ _._ .. . _ .. J .. • •.•.• ___ _ ii---'-- -"';"~ ' - - ------ [~.----... . ~:~ :,r - 81 .33 1:::,-

~ f' --- .-- .,. -- ------ J.!;T~2 l_~ -------------.. -J2"-1j--+---fL<+---~;<i..-_-_---'--f-I?--.q--- -.:=j~:"-~-------f"-ii"'-l-·-- ------------fld..i~'t. -.---------- I· .. --------.-..

t •

L

':;0

7 10 '2C

----._-- - ---y -- ---- - ---'1",.., ., _ ..... . . 'r.E J"I VI:G RECORD

P (L:~ r~o . ~-'J- P'e'NT L';'

SITE, 8't"'k.- ;Y.;J~ c .,,/ J )8 :iO .A/.b-I!£?t.a'l DJ.TE, -x-' 4r .;:t / -/7.?~ , PILE, Type &,...[ /""y_ c;."" Hru"lNER: r.-:ake & r-:ode l p ;t!:..,t ./- / ""

Tip D1 .... "1 . / (:, in . BJ.t .. Dirun . LL in . Stroke: Rated ~e .s-__ t~ea:.:; .

Langth f A' ft . in . weight of Ram L<e. o=-_ _ l b. • ---

NA~DREL (If" Us",d) : DRIVING CA?, ll.NVIL, EASE. ETC . , Desc r iption: hcier.t ~5criptio:'l Li::nc:th ft . in. \-.eigr.t lb.

FOLLO\>'ER (If Used): RE'!ARKS: ~/,/'- - Daocr ipt.iGn ;

I Length ft . in . \·Jeight __ l b . ---

PE~RATION;e;""r(

::.lev. of t'l -I- C; ·.i9 :!!:

Elev . of Tip (afte r dr ivi:1.g) ,,; /- ~~ :r Bl.O~·/S PEP. Mlt.llJTE : J-:.t-

Tl!'!E: St.art Driving /~j>r A .~ _ Finish Driving / d 9"7 A .~ . Drivlng T iJne 9~ 11i P.M_ P . ~: .

~LO"'S b lowS l tHows ' J:HClo;S !Hol-:S .:110 .... 5 B:"0 ... 5 r Blm;:

Per Ii><

Per Per Leor Per Per Per Per Fe. Foot. Foot Foot ..... F .... -.t '- Foot ~ Foot !'t_ Foot. root. ~ -' . ~ - ~ Ft.

-- ------- . ,-i -------- Tii -------+-

___ __ ____ L_ -------- -- -2/.,.---- Lii -------- --- .------1 ),6 '<' 6 106 ,._ .J..

--- -- .----- ;., -- ------ - - -- --_._- - h;i . ____ . __ . ___ 1.._ -_._----- iii --;7--- I:-i;- -- .. --.--- 1;-;;, ------0 ,2 I' 2 ,-

._ .. .. _------ -------- -- _. --- - -_. ------.--- -- ----_i---- lii --;-T-- . ~-------- in' -.. ----1 ~& 1-: "M ,;") 1-", 1 -- -----_ ..• -- -------- -------_.- -------------;. - --- --~---- -- -"3i1--- -01 .-------- 1,,,- ------0 " 10 7() , '" .

r:;:~ --------- 2,0 --------- ---r--- --7~T-- - -- -------- "0 ------,- r:, ... 100 q t ~~ -------- 211 -------- r,~ -------- ---------;;';----~----- 9' --"'j;r - -- --------- --- -------- q rr1 , -------- --------b - -/",5--- iE2 - --.- ---- 11 - •.. _---- 1,'2 ------- " -. .. '-. ~ ..

-R -------- --------h --- .. . --- ",1-- - -._--- ;'g ---i;,---- lii;I---2;'-- -- -Of --------- --- ------?' )1' h- -------- ,,: ____________ L ________ ~ . -------- 1~Q --1,---- iAf -~jo--- -~- -- ---_ .. -'._- --- ------

~ol " ...2.S:. ; . j

-------- :"1; ---------[:. ------- --1~s -------- ;i5~-7r-- 185 I--:;;;;----J,x -------- -l~ -------lei -, -- -.-" -- .-- - -------- j£:- ------- - --- -- .-.. - -;+-;;;--- St --)-~..; -- ---,;_: -- ------ --.' ------, - -, , ;'r, , ... .:.1') .. " -

I \ I _. - - .- --- _.- - - -------_ •.. _- -------_. ------... Iii -7T-- --"1"2--- iQ; --------- --- .------ I " ,~'1 1·2 ,- 8 117 " 1---_ .. --_ •. _ .. --- ._----,--- -- -------- -------- _.- --il'- --- iii -3X.---- ;", ----- ... -- -_ .. -------, - - 7- 11 t . ;

1·- .-.. --- -- -- -------- --.. ----- - -- ~. ----- l'if --;,r-- --------- iO!, --------, 1" --- ---

, ' 0 , ';9 00

I - - ------- 101--------- L'

7(~ . -- --~--- 7' ---n; -- 19C

" ---'" -- -- ------, - 10 '2C n- , .

RIG NO . .;;3 FORE!1AX: C ,O/-.f/.,e",R4--./ RECORDER, :?K C ~fUX"/-/. . .. -

L

-..,--.-.~--- - - --__ _ ___ - - .I

T",t: ~ )r.E =>?JVn:c RECORD P !L.1 KG . A!!iu(/ ../ ..8o!'N / .;)O

PILE: Type ,P.c,,·kr.s.r c;,,~:

Tip Di ... , . /e in:BUt:-~D:"i:Oam"-. -~";:::"' ·-i~n-.

Length 93 ft; . ___ in .

MANDREL (If Us •. ;) :

Description: ::=ft:===:In~T.ETgF==YO:-Lt:r.;;th _ ft . in. l.eight ___ l b .

FOLLOI'!ER (If Used):

Desc:ript'!.on:

Length ____ h. ___ in. We i ght ___ lb.

PENETRATIO!J: .Boil 7, Elev , of -I- 6 2- '1 ---<:- • • Elev . of Tip (after dr i ving) - j / , 7/ )

DRIVING C;\? 1 At;V:rL, BASE, ETC .:

weigl".t _____ Descl'iptiO:'l ____ _

BLOWS PEP. liUiUTE:

__ 6'''-

Tn-~: Start Driving Od Z~ 2.- A . t~ . Finish Driving o j 2.~ A.~ . Drivl.ng Tilne _7~::",_ ni ~ . l< . ____ P.!·: _ b l O'tIS l Blows J Blows ""ows die,," BIOWJ! B~OH :

Per Per ?~r Per Per Per . I rer

Foot • Fo~~ F"",~"::._. Foot ttl. Foot lh. FOOT: lli-.i:.QQ.!.

-1 -- ----- - ,-;, - ------- 11"1 -------- 16 --- ·· ----{id-- ------ 1i6 -:::t----[2:, -.2.r -- 106 -------

------ - [7 -------- 1"2 -----.-- ,;---- ·---- k?" --- ---- Iii -- -·------9: -jo-- --I;-,:;, ------

1 eli -------- '0 -------.. ,;.----- .. ---h---- ---- i{~- - ---- -,,; '-jT--- l-"nii -..----, ' j- • - -- -_ ..• -0 ---- ---- ri:: .------ ... I'; --.. -----i~~~--· ----- =iCl -- ---- -0\ ---- -----1-109 ------

.-;; -- ----.. -1:;,;; --~- ---.. ,2·-------- c' ---- -- -· J~i'i--- ---- -1&;· - - - ---- Q .- - ------ ,,';: --- - -f 7, --- ----- 21 --------1~ -- ------ ,- --------·b:· .. · -----.,.ill-- ----- Q - -------- ", ------

I L.- -------- ;; -------- ,c -------- "' - ·-- --··- t~" -- ----- 182 --.---- -2] - ... ----- ~" -----r-, -------- 2 - ---------t=" ----.. ---- ld-' -,c---- ,,~ -- .. ---- Iii> --- ~- - .- -.of, ---··------1' -----

' -0 -- ------ '~J; -- ------ -:;0 -------- " -:.;>-----1.;0 -... ---- 18.[---7:--· .r; -------- - =,,, .. ----- 10~- --- ---- ;>- --------.lR'- -------- ~, -::r- --- 1'i5 -- ----- 8~r --".----~,5c --------- 'if" -----

Ii --- - .. ;.; ---- ----~rl·------··· -;. z.. ..... . :;;-~ - - .----- fV -q - -- - -- -;~.~.;- -- .------ 1::1 ------f if . ----- - " - ---- - --h;;~ -------· ,7 --:--- -· 72 -- ----- {J'j --7 I<---- iii~ .----- --- l~:; .------ 1· ·- --- -----" ,< ·- - ------ I~ ~ -- -------=- .. _.1.-___ :;: --- -----liip -?;-;--.... iii, ------- - lIB ------ I ' 1·- •.• __ . __ I ' , :,: -------- r~; -... --- -- ~o - .. -- ---- .;;; - ------ 180 '-".j"?--- joi" --------·11<

RIG NO . 2.3

SITE, g.-",, "",,£,;;> Cr/

PILE, Type &,..f,k,././ ? ,""'-___ ~- T1P Dian. /4 :'n . B,lt. 1:iam. /~ in .

Length kJ= ft . ___ i n.

MA1\DREL (Ii' Us..::.:!) :

Description: ::::J~::::::::~n~~~~::::::::::TI~ LenGth _ . _ ft . in . \'eigr.t __ -,l o .

FOLW,;E~ (If Used) , Descript.ion:

Length ____ ft, ___ in . \-Ieieht ___ l b .

PENETRATIOI'~:,;(

Elev , of . d "....;z'.::..,r",;;"·.:.;.:i',::··:l9:..;-o.,,, _______ _ Eiev . of Tip (afte r dr iv::':1g) ·-N~ .. Z/ ~

Tl!o:E: Start Driving A , ~ . Finish Ori ..... ing /etil P,M.

"";:j Blows h Blol.'s

I L"OWS

Pe· Per Per ;l~r

Ft. Fgo-< 1Ft Foot Foot ~?t if'~.+. ,'-- y, HA::·:r-:ER: !1ake &. r-;od~ l //;t.L- r / d Stroke : Ii?.ted .3 .d,J - l'.cas .

ltJeighr. of HalT! --;;.eH.t:1 __ l b.

DR IVING C.~P, ANVIL, BASE) ETC . ~

t~aigr.t De~criptio:'l, ____ _

/2,/S" b10 ..... s Per

Foot ?c.

A.~ . Ori vlng Time _",';;;"",,-,"-__ r.li P .l-! .

B10 .. s Per

Foot

B10~1:

Per

1 --- - ---- i< -------- 1'1 -------- ),6 --------161 -------- -f, - - ,,---- -Q'~ ---- - --- 10,----- --

-;7 -- ----- ~i --------112 -- .. --- - ";7 ----- '--b' -+----- -7---/---- -r, - -------- ,,,., ------

1 .. - .. - ---- '-5 -------- " --------. ,;F --------b+---}----t;;R~--~--- - - -e' --------- ~r)~ - .. ---

~ i~ . - -- - --- 10 . --- - --- 1\--------·· )-~-- ·· - - --- :: , I· -· · f ---- - 7;;)--- ... ----- .;;\ ---- ----- 109 ---- -

" ----- -- - I:;;; -- .. ----- :;~ -------- 12,= -- , -----. ~2 --- ---- !~;:;~ ---'i--- - 1-,, - --- - - ---- lie ------r--' - ------~- ;;i' -------- I,:; -------- ,;.- --~r---- ,,~; .. - -----,qoL-q---- - Q' - ---- - - - - ' " -- - ---r--- -------- ;3 -------- ,.,-r--------12J------·-i,,+- ----- 1.,' --,;,---- Q -------- , ------h ____ ___ u ?= . mm. -kit m .. - --- 1<l- -t-u~~~-- _ om Iii:; ---;b-- -- -,; ------- -- 11' m __ _

~u mm __ :;,: ---- --- .. "01 ___ m _ .. -f~ -- +----I"Q --. m- I~i----;;;'" -+ 00 ---- ........ =;-~ .. _uu

10 - - - - - --- ;;~ --------!.;=7--------- I~" -;Y----- "i5~ - -- 8~1--7a ----J·-"if-- ------ - ~f,I- ------ -- ---.. -- .-.. . ________ J::: .. ___ .. .. -.... -'ii . . _ .. __ l._L_+ __ __ . ---::.. .. " --.-- - -. ... --- 1"; ; --- -- - , i ;''', i,'" ~:'" 1·.~· r 5f /~ ,:'~. .:r li~' ------" ---------T:i --------. ~'i -T---' rd-- ----- 8.; --";;::--- iii' ---- ----- i~; -- -----t :,f------- --. ., --------1;;= ---------=. __ \u ___ ·d-- ----- <if -~~.;:: .. - •. ,ii:; --.. -- --- iiI ----- -

17, - .. - - ---:;: --- -----1;;1 -- -- ---- ~o --/----- 17~ u T--- I?; -------- - lin" ---- .---- ~li -----

I:, ------ 'icJ-------- L<; - --- ---- ].;i. ---"-----7< --{.-- --I9i --.-- .. --- iii: .---... .. - {2;: -- --- _.

PILE,

FOLLO"!ER (It U.ed) , D~script:.on:

Length ____ f~. ___ in . \~eight ___ l b .

PENETRATIOl" A'uff • Elev. of - 'ad .=:,z'~6?S' i:,,' -!.9;--,,...,,--::--:-;-__ Kiev . of Tip (aft e r dr ivi:tg) li t;; %/

DRIVING CAP, AK~LJ BASE, ETC. ~

wcigr.t ______ De;cri ptio:'l _____ _

.ss"" Tn-$: S'C.art Driving ===== A .~ . Finish Driving _____ A.~ . Drivl.ng Time _____ n1 u u P . '._ .• .. ". . -----

Per Per Pc;::r Per ?er Per blowS l Blow. 1 Blo~s tilo>!. o1O".s L:E"J Foot • , Fo~~: F""ut _~~_ Foot ~ Foot _:t':t... Foot Ft

1 -- - - - --- ,"j, ·------- I1/-------- li;6 ---·----16"1 -- ------ -6 -------- 1-2"' -------- -156·------

- - ---- -- 12 - -.- -.- - ,; -- ---·- -- -k2 -------- I"; ____ L __ _ . -0 - --r- -· .. ·- in, ------

~ ... , -------- 1"": --- - . - _ ••• ,·R------ --- t.;- .. --"---- if- .-- -. -.-- 'c-i -';.------ ;OR -.. ----j, • - -- - • •• • ,0 -------- ::-.-------.. ~.; · -- .. - ----i~)- -.. ------ 7Q --.----- ·0' --------- [-\"09 -----.

------. - !;,=; - ------- ',2 ·-------- c- ·-- -- .. - .. 1;2·-------- ;;, ----,---- q . --- - ---- ,,0 ----- . e'

--- ---~ - '2' -------- ~.; -------- ,- --------·lt6r-.. ------·I'i;~ -- -~~-- 0 - - ---- --- , '" ------

-.-----. ?? --.--- -- ~ .. ' - ------- c', - ,--- -- .. - il~ -------- 182 ---'1"-"- -iij -- -.. --- -- -" ------

- -- --- - - 2"' -------·-t1Q 4 __ • • _ _ _ _ 2~--- - .-- - - :;~. - - .. -- --- rA; - ---l~.- ·cr --------- '-11 --- --- 1 __ ------.- :;;; ---- -- - -"'O~-------- 2~ --------50 .-------- lET - ---~. - • 00 ---_ .. - ---- ,~;:--- ---

---- -- - - ;;0 ·---- ----'(1; -- ------- s;; -------- 17'0 -------- as ----i ;-.--~i'5C --------- ~F ------. ~~------~------~:----~~--~-r'lll--·----· -- --+,;'I~, _-_--_-_--_-_-_1:1,-;.;!:+_· _--_- _-._.-_. _--~;'.~--_,,_. -_-_-_-·_- -+·~'_',i,:t---------------fJIS2J' _-_-~-"j~-"-<-r_"-~;'~: ';c.:f----_' _-_-- ·_-_--fil!C-f~'1_---------i.l.i,-!:_' ._--_-_ .. _--+'.L'; I--_-_--_-_-_--h:; -------.. ,7 ------ " 72~-------- 87 ----fi-;-- -ii' .-------- i~o ,- ----i ' ~ .-------.. .,. -------- I~; -------- .. ..------- :;+----- -- lE;- - - -;~--- . ;0:;t--------- l' 8 ------

\'7 ... -- - -- ~c -------- i, - - .. --- -- ~Q --. ' - ---- 71 -------- ~~ ____ L~-- - 10' ---------ll~ ------

J,-... ------ --1·--------m~

LS -"----- ' 16<: ----- .... -- 7' --r----19( ---.,.. .. - .. - iii - .. --.. -- ,-- ;2:; ---.. ---

RIG KO . <:2-3 FOREl1IeN :

-----.-- - --- - ~-.::~-=-::.:-::::-::: j -'I':.!::; 'L..E D:?:IVI~jQ RECORD P !r.:~ ~O .,e~U'eI J 4~.<J ,/;t 9

PILE: Type /?e4.$ k c-.s.J' e::;;.'I,'l<,~ ___ ._~ Tip D1a."l ./f in . But-: Dirun . / 4 in .

Length cfp f t . _ _ _ in .

MA~JREL (Ir Us,d ) , Description: ::::::J~==:::::::I":~~~:::::::::::::::D~ Lr:r.~th f t . ___ i!"l. \-,e i ght l b .

DR IVING e ll?, At~VILJ BASE, ETC. ~ , hei gl".t De ~ cri ptio:1 ____ _

FOLLO\'!E.~ (It Used ) :

Desc:'ipti cn :

RE?-'!ARK S: _ __ ~A/l?:f<!E"'''''''' !;'~ ________ _

Length _____ f<. _ __ i n . he ieht ___ lb. -------------------------

'!' 1!~: St.art Driving / (2/d A . ~ ~ . Finis }} Drivi ng /.c?/9 A . ~ . Dr i vl.ng Time _...J!iG",-__ n1 P.L

J::jiO'""S

Per Foot.

---- P, !·: .

blows l Blows I . tL .. o;"; $ Slot·:s Blc;..r s B_O""JJ BloH!

Per Per L ?er Per Per Per Per l.F'c Foot .. Foot .l'-::::J F"'c.t ~.t. Foot frt, Foot Ft. FooT. Ft .1'.Q..Q.A

! 'mm - ::: h --h·- 11iL.-.-m -h m .-mf61 h/~m. "6 h,Tm I -Ql~ _muu 106 __ uno

--;! ' - ---- - -7 -· ·-- ---t12 -- .. . -.- ,;.,-· ---·---- 1:;2 __ ;/Uh -.: -;Zcj U " -;, - -- -- - .- .-- 1i"07 -- .--.

'-, .. - -- - --- ~ij ----- --- ',0 - - --. - .- . ,;R·---- ·---t , --r----- -ii~ -:;('2>u .-- -,~_i ---u--u ,:,;-, - .. ---

! I . }" . --- ---- iQ -----.-- ,;- .------ -", i'; --_ .. - - -- -i31'--'9----- 7Q -:;-}- --- -;;\ +-------- "(\9 - -----

" ----- .. - I:;;; --·------ I:;?,·------- - c' - ------ - ~j--q---- - i~: -:7;,---- '0- --------- 11(" -----.

-r. --------- 2' -------- I :;~I·· ------- ,,- --- -.---. ~~ ·- -;;,.;- ---·1"+-------- -0---------- , --, ------ --.; ------ -- ?O - - ---- -- ,-- ---- - --- ) .- -----··-ik -"/-:;----1:;1----.---.- 1-0: --- .. - ---- -,:;1-------

-I -------- ? ' .--------f, • . ---.. --- ~, -- - ----- q -;;z_---· - lii; .. --- -- -- 'c --------- -1::,1- ------

-- -------- , ,: --.----- "O~ ·------- I,; --·----- 1,Q -;';r--- ' e:~ ------" -0'·-----·-· -, -) -.---.

'Ie -------- :g - --------.~------- .- I", ---3- ---- ·10 7Z;--- - 8~ · -- --- ---~i";;,+- ·-·-- - - ~" I- ----- Ii---'-- '-" ';.,: .---- .--' ,: ---.-- , .-:':---:;::( -·--·h-- r-/r-- - ,8.+- - -- - · - · · ,:·~ ; - · --- ' - --ll ' - - ---.

i .!.i4~ _._-_-_- _-._-+',,y.ie.--_--_-_--_ .. _-1E -------.. ,7 --:7"--. 17:; -7.P---ts; .------ -- iii · .-------- li7 .-----.

1···+-------·· -:, -------- ,;:,= -------- ~ r. --?:t----- :;= -7;:-- --- 0° --------.;0., ------ -- . 181------ · I" r

I :' -.---- 'iG1--------- LS -'------ Jk --4" - --- 7' --.u ---- liic --.-- ..... 10-"--'- -- '§c . - -- ---

RlG NO _ ::<3 FORE-!AX: cu,· j,4;P",~,1 F.ECOHnER: ?f",E ~'uC.L

'!'~!': )1:-.£ DRIVI NO RECORD

pn.:~ XO • . €i:uu T p.:-~ .... / .::I3

SITE: A~", "'.;/2 L ..-/ ___ _ J)B NO ,#.6V6"""""',? DATE , ..00/ ,,2,, - /9#'''-, PILE: Type ~~.i .hr£..r_t;;;;.-.~ .

T1P Di &I1 . /t< in . :S .lt~ Di.'ll'=m",-/,"h,,' - Cin:C-, Length ,£'{ ft . _ __ i n .

HA':·lJ·1ER: Make &. r!odel ".&~ .../"- /ef' S trok~ : Rated ..3'''~_JljeD.s .

1IJe i ght of Ra"1 /e!o?.t7~ l b .

MANDREL (If' Us.d) , DR IV ING CAP, ANVIL, BASE, ETC . ~

DescriP,t'~1~o~n~' -===ft~====JG1~1G'f:~~====)1~ k;ngth _ rt . ___ i n . \'eight, ___ lb .

\'/eigr.t ______ De~ c:ript iO::l _____ _

FOLLOl>'E.~ (If Used) :

D~scriptiQn:

Length ____ ft. ___ in . He i ght __ l t ..

PENEI'RATIOl~,,'a;;

Elev . of ' ,=:!--A7.:..r.;;S,~/",t/~ ... -;_=:;:-_ El ev. of Tip ( afte r driv i :J.g) - ;j ,d. . "l6 BLO' .... S PER MINtJ'rE , Tll~: St.art Dri ving _,,= A .~ .

/J&;1Z P, M, Dr iving Tine _ ",/'-..-__ _ f.'li

Ft

- - .-j" ., Hlv"JS Per

FQot

1:310\15 Per

Foot Per ?.;r Per l Blows L:l::llCWS .!:3~O""' S

. Fo~~ Fo,',t, !l>, Foot !1:!.

"""" ""'" ," i, """""''''' Jji " ,, " ,"""" 1,6 """,,,,,,,,,1d,,,,-,, ,,,, "" "6

",,""",," li'i ""'"'''' '' '' ,2 "" --","" t, """ .. " ,,,,, j~2

"~O'" Per Foot

J:Uo .... s Per tile ;.: :

Per

~ Feot Ft l'o.!2i

"" ,",," '" ""7 -;~ --------- ~nA

I """ "o"~ """""""" ' ~,"~" :" """" --"0 """ """"" : ;' ' " """'" " .. 1/,," "" .. " "" ""i3i::,."-'-'''...,''l--{""''-'''l---"I--+-''-1' f----!-'''9 m __

!;:; """""""" ';:", """""""" """"f""" ~" '"'' '''''''' '' '' 11~"""""""

21 ""-""""" ~~ -------- ::;- --7-----· "<4'--··- - ---. q;

Q

1 i '

"""""""" I,d "'""""""b -""" """ 1 ~2 " ''' ' -- -- O? ------- - 'l"

11 2

? ' '. l l<

"0 " """ "-- ,, :;1; """" "" " " ';0 """""",," ' f """ iso "" .. " "'" let """"" ' 9:S """ .. ",,",," ~~----~-----I-,~-----~---+--~--+--4~--~-'I'~----~~---

------'11, I',ii' - " "- ,,-"" :;0 ' '' '''' '''''' '''' 'II~' ' '''''' '' '''' ' '' ~; 70 " " "" l ii~r """"" """ 6( "" """"""" -F ------ :-.. 1

~'41~' ''--'-'-' -'''-'''¥''4~-''''-''-''''-''-''''41~~'',+" -,,,-,,,,-,,-"'-'+':~':r'"-' -'''+--!~'~+---f8q'---'''-''~' ''-''''?:c~':~'''--"-' "-'' ''-''t"d"t'' -'' ''-''-''''' iJ.i.qf _' '_'_""_"_'_""-+'1..' 1-"_"_""_"_"_"" }J;f£j2f-,"_"_""_"_"_"'_' P'.LJ'I ---I--j1".£2f-"-"-j"L"-"-"-" t£8cq...7' ''-''-''f-'''-''-''f'':,],O.,' -'''-''-""-"-",--"-t'l ""i''t, '-"-""-"-'" i":; """"", ,," ':, ''' '''''''''''''' I ~ : """""""" "r. 7 " ""1""" -" iii,", "" " """" '1iO, I : "''',,'' , lO!''' '' '''''' ''-'' !L< "''' '' ' '' '' W" ' ''~ ''''- '' '''' Ii' l ~' "'"-'' ' ,,- ~;: -"",,"""" Ii;; """"",,"" ~ "Z"""" 17 ~ """"" iiie ' '' "",, " " " "

" " ,, ",, ~ , ,,""" """" 10

"~" ll ~

RIG NO, 23 FORE1Al, : C' /.lI .M0;.k,~P.ECORDER: 2ff'&7;~a,.{ J., __ I

':."!:~~ )r:-Z DRIVING RECORD

P (r.:-~ ~D . ~t'CJ 4' ..... ,,&,-v/ ..:r.:i

PILE: Type Lgee5z4r~..J'L_~"'· ~,'7v!:.---_,_,-= T4P Diio.' . / (J, in . 3 .lL z:.L~l.M. /~ in .

Langth cf~ ft . ___ in .

:'iA~DREL (Ii' Us,=:d) : DRIVING CAP, ANVIL, BASE, ETC. :

DescriPtion":-===rr~====f:1:l~~~====)i~ L!:ngth __ rt . ___ i:1 . \'.eight. ___ lo .

r.cigr.t ____ __ Descri ptio:1 _____ _

FOLLO;,'E.~ (If Used):

De3cript:.on:

Length _____ ft. ___ in . weight. __ lb .

PENErRATIOII~ ,Ii Elav . of d..01 .:-c:2-/,+/.~~.::·/u:9"--0-7"7-:-- Elev. of Tip (a~ter d,iving) - ,,~,.r"

'l'll~: St.art Driving -,-,,-.,.-_ A .~ .

/..]'/£ P. ;.; .

Finish Dr iving _-,,",,",,""",:- A.~-: .

/3,z, o P . ~·: .

Drivl.ng Time -->.£2..... __ n1

Pe:" Psr Per! OJ Per Per ?er Per !e~ K ... o .... s Blo"'s l -Blows l . B:"cws Eilov:s Blc .... s 6~o .... s B~OH :

Fe Fgor.. I Ft Foot • Fo2.L- .... ,G ... ,·~~·':.. Foot ,~ Foot }'L Foot Ft l"oot.

-1 --- -- --. :,; - ------- ~i -- -- ---- 1J6 ---··- --- 16'ir- ;;"i--- - lib -- ------ -91 ------ -- 1~5~· ------

--2 -- .-. --- 'i7 --------1'(2 -- .. --. - ';7- ----- --- k2 -;;----- 177 --- . ---- :-,;?, --·-----1,", ------ --i" ------ - ~5' -- ------ i~ -- --·- - -·,JR-- ------- i.~; -/c-?---- 7~ ------- - -,:~ -------- '-i)i -.,--- -

-- - ------- -G -------- ::--------- . )O ----------iF~/,~----- ~;; -------- -ii' .------- - !;50 ------c ------- -I;;; --------- t:;?,·----- ----- <. : -,. - --- - -j;2 .-J-.z---- -- - ------- - 1'0; .-------- ,,- -----.

7, --------·1;, -------- ,~ ----.--- ".- -=?------ ~'I/-7------i9;- -------- -0- ·-------- -.~i' ------

,. -; -.-.---. ?:; _m_m 'i' _____ m 2', - ::3-m --- i1" 22;---· iA' ", . m _ _ _ 1-;;; __ mm -'2 _m ..

r-' -.---.-- ;;: --------- f:A -- ---- ---- "'~ - ~=--- ',e 7.r---- :i>; ---.-.- -- -co --------- 11' -----.

-, ---.---- ?T ,,---- -- '" -.----.- I~f - :j=-- ·- i~o 71"---- :Ai ------ - .+ 0;' .----- ----,~~' ---- -

-il -.---.-- 2- - -----·--lEc..- ·---·-·-I~~l--·,;;-- ·-- rio 77'---- 8" -·-------+"0 -.------ :1" ----- .

-, ' ._-- -- .. " _, -----·----1 }_.,/ .-----. - , __ ""7-' 0 --.. - I_~; L/.,~_ ---- )---. --. -- -- ;'. ;- -- ,,----. ,;-" ------ _! ;-/. \~ . 1.f '.l ~f~ , ... .H' r I i i?- --. on -,-, - ·---· -- tr2 . _. __ m ~7 Uk"- " 1;i2 -:;.-00-·-- 8 on __ .m liii,-m -.--- 1::; _ .. m.

i-'-; .----.--- -, ---·----- 1,= -.----.- =(i .-;r--.-- :;= -l-r-'--' Iiip "-----.. ;-5~ -.-- --- - Har-----· ,-- 1· .. · -· . - --- ---. - --- -.---.--- ,~_ --;;;,.---- ,-- -.. ----- ro; ----.- --- ,~,.,_ ---- --- -- ;-,~ - --.--1 ' ~,~ i I.,I.; , ~ 17 1;-. : 11nl _4-1.<'

, :: -.------;(,1--------- s ---.-.-- -I6c.;--;;------ :;, -· -·- ---10(------------ 10· -- - ---- --- '2C.- .-- --

P.IG '0 , ';<.3 FOREl1AN : C_&~ ,//-.,;,0",,,,./ RECORDSfu 7/L~4'-L' L

'1'7" -. _ ..... )!::.E DiUVnm RECORD

P{U XO . .R.M~.JJ .<i'~~/ 3 ';{

SITE ,

.£4 ~O~.,? DATE : -;;if-4- .2,( - / 9~ p! &~. ~~ J )B - PILE, :;~pe /:;'.¢t'Jk~J-:!~:<. li~l1ER, r'~<'1ke & 1-1odel I/~ .f·v~

.. lp Dia."1 . /I! in. But .... Din.ln. ~ in . Strc~e; Rateci ~.r __ r~e<ls .

Length ,1'£ ft . in . "eight of Ram ".. 4ob(J lb . ---

MA~llREL (n US.:;.,j) : DRIVING CA?, A~~VIL, BASE~ ETC . , Description: l-icigl".t . .5criptio:1 Length ft . i n. \.eigbt lb .

FOLLOI·IER (If Used) : RE·WlKS, -/4i ad R ... ~e ... ..,.,.. · .. , " Ow Descr iptinn: ./ >

../<-1 "" A t'-o4" j'. i Aut,r Length ft.. in . \<Jeieht ___ lt. ----

PENETRATION: ..;:."..<

"-El e v . 0 f ]ltiii1lJwj -t C ?<'

Elev . of Tip (after d:-ivi:1g) - ,n ' J"?

, BlO .... S P"" }-I.n-m'rE: _<..If.I..:: ".,.

TU:E: S't.art Dri .... ing Drivl.ng Tine / .3 ni Driving A . r~ . Finish A . ~ . -a,,,y'" P.¥' . / ,!. ,:-f P.L

~"O~S !:lloWS l ""ows l L"0 1<S tl101-lS B_.1c .... • S Blows Blom Per Per Per ?cr Per 'Per Per Per

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GSI Project Number 99-3-130

December 27, 1999

TEST PILE EVALUA TIONS

AND

DRIVING CRITERIA RECOMMENDA TIONS

PIER 2 REPLACEMENT

24-INCH PILES

NOB - NORFOLK, VIRGINIA

PREPARED FOR

TIDEWATER CONSTRUCTION CORPORATION

NORFOLK, VIRGINIA

PREPARED BY

GEOTECHNICAL SPECIALTIES, INC.

I 953 B Norfolk Square Norfolk, Virginia 23502

8 • ..... I~ Il Il

!li'E(:tAI.1i1FS. INC.

I December 27. 1999

Tidewater Construction Corporation P.O. Box 57 Norfolk. Virginia 23501

Attn: Mr. Brook Brookshire

Re: Test Pile Evaluations and Driving Criteria Recommendations Pier 2 Replacement - 24- inch Piles Naval Operations Base - Norfolk. Virginia GSI Project No. 99-3-130 TCC Project No. 2233 NAVFAC Construction Contract No. N62470-97-B-7041

Gentlemen:

Geotechnical Specialties. Inc. (GSI) has completed dynamic pile analysis evaluations for the installation of the 24-inch square concrete test piles for the referenced project as authorized by Tidewater Construction Corporation (TCC).

The following report represents a summary of the results of our field evaluations and interpretations of specific data provided to us by the client. All recommendations are based on the specific project infonmation available to us at the time this report was prepared. The report discusses project characteristics, dynamic pile analysis test procedures, measured results, discussion of hammer periormance, and recommended production pile driving criteria.

We appreciate the opportunity to provide geotechnical consultation services for this project. and will remain available to answer any questions related to our study. If we may be of further assistance or if there are any questions concerning the contents of this report. please feel free to contact our office at your convenience.

Respectfully Submitted .

GEOTECHNtCAL SPECIALTIES. INC.

Michael A. Pais. E.I.T.

PROJECT ENGINEER

copies: (3) client

Bruce R. Spiro. P.

PRESIDENT

953-8 Norfolk Square. Norfolk. Vl11!inia 23502 • (757) 461-0826 • FAX (757) 461-1436

Tklewater COll!iuuction Corpora lion Pier 2 Replaccmcru GSI Projecl No. 91)-3- 125 Tee Project No. 2233

Test Pile Evaillatioru and Driving Criteria Rccommc:nWitions 24-u-:h Piles@ Relieving Platform

De<:ember 27, 1999

NAVFAC Construction COntral;l No. N6 z.170·97-B-704 1

TABLE OF CONTENTS

I. PURPOSE AND SCOPE . .

II. SITE AND PROJECT INFORMATION

General

Hammer Assembly .

Pile Details Subsurface Soil Conditions Dynamic Pile Analysis Instrumentation

III. PILE DRIVING OBSERVATIONS AND PILE TEST RESULTS

General

Pile Installation Details and Comments Hammer Performance .

Pile Integrity

Compressive Pile Load Test Pullout Test

IV. PRODUCTION PILE RECOMMENDATIONS

Pile Length

Driving Criteria - Option 1 Driving Criteria - Option 2

S S S

V. LIMITATIONS

TABLE 1 - SUMMARY OF FIELD RESULTS

TABLE 2 - SUMMARY OF CAPWAP RESULTS

ATTACHMENTS

A. SOIL TEST BORING LOCATION PLAN AND SOIL PROFILES

B. COMPRESSIVE PILE LOAD TEST RESULTS

C. PULLOUT TEST RESULTS

D. WAVE EQUATION-DRIVABILITY EVALUATIONS

E. PILE NO. 1SC - Driving Records and CAPWAP Results

F. PILE NO. 40ED - Driving Records and CAPWAP Results

G. PILE NO. 79AB - Driving Records and CAPWAP Results

TilIcw3ter COIlSUUCOOn Corporonion Plcr 2 Rc ptac.cmem OSI Proj«t No. 99-3-125 TCC Projet l No. 2233

Test Pile Evaluations and OrivinJ Criteria R~ol1\mCndations

24· in:h Piles@ Rel ieving Platform December 27. 1999

NAVFAC Construction Contract No. N62470·97·B·704 1

I, PURPOSE AND SCOPE

General

The purpose of this study was to evaluate the installation of the 24-inch square test piles for the Pier 2 Replacement at the referenced project site via dynamic analyses in general accordance with ASTM Procedure 04945 and applicable project specifications, Recommendations regarding the test pile to be load tested, production pile lengths, and driving criteria for production pile installation were also included in our scope of services. GSI was provided with a copy of the pile driving records and reduced copies of the soil test boring logs with a boring location plan which were utilized in our evaluations and preparation of this report.

We note that GSI previously performed wave equation drivability evaluations for the test piles as provided in our report dated August 31 and September 7, 1999, Dynamic pile analysis was performed on the test piles by engineering representatives from our office during the period of October 27" to November 10~, 1999. The objectives of the dynamic pile monitoring were to calculate the available bearing capacity of the tested piles, evaluate pile driving hammer performance, monitor induced driving stresses within the piles and verify driven pile integrity.

The dynamic anatysis was performed by obtaining measurements of strain and acceleration near the top of the piles and processing these measurements utilizing the Pile Driving Analyzer (POA) according to the Case Method. A CAPWAP analysis was performed on a selected blow record obtained near the beginning of the restrike drive for each of the piles and near the end-of-drive for selected piles for driving criteria considerations.

II, PROJECT INFORMATION

General

The project is to consist of the construction of a relieving platform and an adjacent pier structure at the Naval Operations Base in Norfolk, Virginia. The pier will extend approximately 1500 feet westward into the Elizabeth River from the relieving platform to be located along the shoreline. The relieving platform foundations will primarily consist of vertical 18-inch square piles. The pier foundations will consist of battered 24-inch square concrete prestressed pile and vertical 36-inch 0 .0 . (24-inch 1.0.) concrete cylinder open-end post tensioned piles.

iidc.walcr Consnuction COrporal.,n PKr 2 Rcplacc:mcl1l OSI Project No. 99-3-125 Tee Project No. 2233 NAVFAC ConSlrUclion Conlfxt No. N6N70-97-8-704\

Test: Pile EYilluadoos ard Driving Criu:ria Rceornrnerlhrions 24-irv;h Piles@ Rc licvin, Plad'onn

December 1:1. 1999

The current report addresses installation of the 24-inch square concrete test piles nos.

16C, 40ED and 79AB and also provides production pile recommendations. We note that the test piles were installed vertically and that the production piles are to be installed on a 5H:12V batter. We understand that a final 2.5H:1V slope will exist near the relieving platform area, dropping from elevation -7 feet to -45 feet.

Hammer Assembly

The Conmaco C300 single-acting external combustion hammer assembly used for installation of the test piles has a ram weight of 30.0 kips. The maximum 3-foot ram stroke height results in a maximum rated energy potential 90.0 k-ft (kip-feet). The hammer has a manufacturer specified operating rate of 52 blows per minute with a 3-foot ram stroke. A new 6-inch thick plywood cushion was utilized for installation of the test piles. A used plywood cushion was used during restrike driving of the test piles in order to transfer maximum energy to the piles for capacity evaluations.

Specific information on the proposed driving equipment and test piles as provided by the client is presented in the previously noted Wave Equation Drivability Evaluation reports.

Pile Details

The 24-inch square, prestressed , precast concrete test piles driven for the proposed pier each had a total length of 102.3 feet. A concrete design strength of 6000 psi and a residual prestress of 754 psi results in maximum allowable compressive and tensile driving stresses, respectively, of 4 .35 ksi and 1.00 ksi per typically referenced FHWA specifications. The desired ultimate compressive pile capacity of 800 kips is based on a factor of safety of 2.0 applied to the design capacily of 400 kips. The desired ultimate uplift pile capacity of 500 kips is based on a factor of safely of 1.25 applied to the design uplift capacity of 400 kips. A material density of 150 Ibslfl' was used in our evaluations.

Subsurface Soil CoocliUQOS

Subsurface soil profiles based on the soil test boring logs are provided in Attachment A.

The soil test bOring logs are available in the project drawings. The subsurface soil conditions encountered at the site were explored by others and GSI assumes no responsibility for the accuracy or completeness of these test borings.

Til;lewaler Consuuo;tio<l Corporation Pw;r 1: RepiacclIl£OI:

GSI Projeel No 99-3-]25 Tee Projcci No. 223) NAVFAC ConstnKlion ConLnlCI No. N62"70-97-0-7041

Dvnamjc Pile Analysis Instrumentation

Tell( Pile EV31WlIions oInd Orivi", Criteria RccomrnclKbdons 24-inch Piles II) Relk vin& Pblfonn

December Z7. 1999

Dynamic measurements were made with one pair of strain transducers and one pair of accelerometers attached near the top of the tested piles. Analog signals from the gages measured during pile driving were recorded and processed by the PAl<'" Pile Driving Analyzer

(PDA) .

Printed output from the PDA include Operating Rate (BPM), Maximum Transferred Energy (EMX), Maximum Average Compressive Stress (CSX), Maximum Average Tensile Stress (TSX), and Case Method mobilized capacity (RMX) for each recorded hammer stroke.

The force and velocity records were inspected on the monitor of the PDA to check for data quality and to monitor the structural integrity of the piles. Representative data from the monitored pile was then recorded to computer disk for permanent storage.

III, PILE DRIVING OBSERVATIONS AND PILE TEST RESULTS

General

A summary of the dynamic pile analysis field results is presented in the attached Table 1 - Summary of Field Results which lists typically pertinent indices for the tested piles. Static field capacities obtained in real time (during driving) with the PDA are based on the Case Method. Case Method evaluated capacities are approximate (typically ± 20%) relative to CAPWAP or static load evaluated capacities. Pile capacity per the Case Method was evaluated utilizing RMX equations which are a function of the Case Soil Damping Coefficient (JJ. This dimensionless coefficient is a variable that is chosen from published data based upon the anticipated soil type at the pile toe. The J, coefficient is utilized in calculating the dynamic portion of the total soil resistance in determining the static capacity of the pile. The damping coefficient is dependent upon often variable soil conditions and behavior encountered during the dynamic of pile driving. The field results along with a graphical representation of selected data are provided for each test pile in the attachments.

A CAPWAP analysis was performed on 'a selected blow record obtained near the beginning-of-restrike of each test pile. This iterative analytical method accurately determines the large number of unknowns regarding soil behavior (that cannot be determined in real time) to establish the static pile capacity as a replacement, or supplement, to a static load test. A CAPWAP analysis was subsequently performed from a selected blow record at production pile end-of-drive elevation -85.5 feet for pile nos. 16C and 79AB for production pile driving criteria considerations. A summary of the CAPWAP analyses is presented in the attached Table 2 - Summary of CAPWAP Results. Details of the CAPWAP analyses are provided for each test pile in the attachments.

Tidewater Construction Corporatwn Pie r 2 Replacement GSI Projec t No. 99-3- 125 TCe Project No. 2233 NAVFAC Construction Contract No. N62470--97-B-7041

P;Je Installation Details and Comments

Tesl Pile Evaluations and Driv ing Criteria Recommendations 24-inch Piles@ Relieving Pla[(orm

December 27. 1999

The following Test Pile Installation Detaifs table provides a brief summary of selected pile installation details based on our observations andlor elevations provided to GSI at the site:

Test Pile Installation Details 24-inch Piles with Conmaco C300 Hammer Assembly

Item

EOD Pile Toe Elevation (It)

EOD Shalt Embedment (It)

Driving Time (1)

(Down Time)

EOD Case Capacity @ Blow Rate (Energy @ Operating Rate)

BOR CAPWAP Capacity

(1) Driving Time + (Down I

16C

-88.5

27 min.

(12 min.)

530 ... @ 70 "" (27 k.@ 32 """)

1307 '" @ 196 bj>f time of installation.

Test Pile (installed vertically)

40ED

-85.5

19 min.

(27 min.)

400 ·"@25 '" (34 k.'@ 37 """)

853 "'. @ 96 b.

79AB

-85.5

14 min.

(0 min. )

430 ""@ 15 bpf

(41 '·@ 41""')

773 ""@ 72 "'"

Additional information is provided in the aHached Table 1 - Summary of Field Results, Table 2 - Summary of CAPWAP Results, and aHachments for each pile.

The mudline elevations at 40ED and 79AB were -43.5 and -48.5 feet, respectively. Plan dredge elevation over this area is -45 feet. It appears that the mudline elevation of -1 0 feet at pile no. 16C was high relative to the plan elevation of about -23 feet at this location within the 2H:1V slope planned along the relieving platform area. We note that the production piles are to be installed on a 5H :12V batter.

Tidewater Constt\Ktion COrpcJra tion Pier 2 Replacement GS! Project No. 99-3-125 TCC Projeci No. 2233 NAVF AC Construction Contract No. N62470-91-8-104 \

Test Pile Evaluations :md Driving Criteria Recommendations 24-inch Piles @ Relieving Platform

December 27.1999

Based on the pite driving record of btow count vs. penetration, it appears that the uttimate soil capacity may not have been mobilized at the beginning of restrike for 16C.

Typically, a permanent pile set of 0.1 inch per blow, or less, (10 blows per inch, or more) indicates that the hammer is not exceeding the ultimate soil capacity and , therefore, not mobilizing the full strength of the soil.