Appendix A – Typical Turbine Foundation

0

i 0

SPREAD FOOTING

~ L:------

l TOWER I

J4 0 -N

SPREAD FOOTING

27'-0" MIN. TOWER

PEDESTAL

'or====i:=====~==:±::=~~~~===r=~~~~===f I ·., \ I I I r· DESIGN / \ 1 .l._ o GROUNDWATER / I <0

? - -'-------1------ I- - ;_j2 s "'+--------'-,~\ (-_:--- -- -~ -- -+ - - - - I - - - - r ----_-~~ ~~T J t=/ =/=l =>.=====a=

0 I ·-

ffi 1·-0· MIN. 11 6 ~~~!!ON: TOWER O ~OU~DATI~~ lei I I I 11 I I I I

TOWER BOTIOM FLANGE SCALE IN FEET

LIMIT OF COMPACTION REQUIREMENT

COMMON Fill #6 0 6" NOM. O.C. E.W.

SE~

COMPACT TO GREATER OF

BUILDING AND DESIGN CODES:

INTERNATIONAL BUILDING CODE 20] 2, INTERNATIONAL CONFERENCE OF BUILDING OFFICIALS.

BUILDING CODE REOUIREMENJS FOR STRUCTURAL CONCRETE, ACI 318. 2011. AMERICAN CONCRETE INSTITUTE.

WIND TURBINE AND TOWER:

MANUFACTURER: VESTAS MODEL: Vl 36-3.45 POWER OUTPUT: 3.45 MW TURBINE HUB HEIGHT: 82m ROTOR DIAMETER: 136m

DESIGN SERVICE LOADS: UNFACTORED SERVICE LOADS DUE TO NORMAL EXTREME WIND CONDITION IEC CLASS IIIB/S (APPLY 1.35 LOAD FACTOR TO LOADS SHOW BELOW TO OBTAIN FACTORED LOADS) OVERTURNING MOMENT, MSY = 76.590 KN-M HORIZONTAL BASE SHEAR. HXY = 916.0 KN VERTICAL TOWER LOAD, WZ = 4 0221 KN

GRADE AT 1 / 4 • PER FOOT 95% STD. PROCTOR DENSITY

l::::t~~~-----:---..::========------,1--_:AN~D'.._9~5~P~CF~D:RY~D~EN~S~ITY~-J UNFACTORED SERVICE LOADS DUE TO ABNORMAL EXTREME WIND CONDIION IEC CLASS 1118/S (76) #6 z-BARS W/ACI STANDARD 90• HOOKS (APPLY 1.10 LOAD FACTOR TO LOADS SHOWN BELOW TO OBTAIN FACTORED LOADS}

OVERTURNING MOMENT, MXY = 92,220 KN-M (9) #6 HOOPS I HORIZONTAL BASE SHEAR, HXY = 1,111 KN

(76} #8 BARS W/ACI STANDARD 90" HOOKS [~f--~-110•• / VERTICAL TOWER LOAD, WZ = 4.301 KN

L 18'-2" 25'-8" (TYP} 18·-2·

62' -0" (TYP}

G) PLAN: TOWER FOUNDATION - 3/32"-1'-Q" 0 5 10 20 30

I II II I II I I I I I I I I II II I I II I I I I I I I SCALE

TOWER SHELL 1 3/8"¢ ASTM A722. TYPE 1

ANCHOR BOLT 10'-6" (-0",+2") LONG

MIN . 105 KIP PRETENSION

HEAVY HEX NUT T&B W/ HARDENED

WASHER T&B (GALVANIZED)

BOTIOM FLANGE

NON-SHRINK GROUT SHOULDER AS SHOWN

WRAP EXPOSED ANCHOR WITH FOAM INSULATION

SDR-21 THICKNESS PVC SLEEVE 8°-4 3/4"

± 1/8" LONG

USE FOAM OR SILICONE SEALANT BETWEEN SLEEVE AND BOLT

~ .~ ~

;ii CX)

,,.,..,, __ ,/,, -------+;.'.

3" MIN.

4 DETAIL: TOWER BOTIOM FLANGE 1 1/2"=1'-0"

0 3• 6" 9• 1' 2·

SCALE

1 5/8" ¢ HOLES

1 1/4" THICK PLATE

EMBEDMENT

i TOWER

I

RING w ...

~ ...J 'N u u a:: -H a::

13 <O 13 ,... ~ CX) w ~ ...J

0 0 :,:

"' :,:

:;

' :;

0 0 (D

-H (D

<O~ <O C, I C,

"'

__ l __ I

I

W I

4 • · 2x(76} #9 C-BARS W/ ACI STANDARD 90" HOOKS /

. ,,; . : ~ ~ -: . • ·• . ·•· TOP REINFORCEMENT /

· ...... ·.:·

~ ;=i:::;:::;:_::;.-::. :;: •. ~. :=.{-::._::;_=_:;; .. ::;::;:t:;JJ~lt:=I=;:_ .:;:-,4::.:h · .'.:;:. ;;:: ~t:):;>,:;:· _=i_.::: .• :;:. ::;. ,;: ___ ·_t=;_;::;·;;:.--~~~ SE~~ COML~~gTlg~ ~ // I ·, · ·. •. ·· ·:::'. "" .. ,";',··· ... ,· .. , .........._---_ REQUIREMENT / . llf""·.":,··:.s .• ·.·~·'4 . . . ..... .,. ..... : .. -.. ~

. • i. • . • ··. :ff lkJl_k, : 2~ 1. :~ • • ' • 4 .·.: ~. ;:_~ :· ~0~~6Ul~llt~~ES / ::· "· • .11 • •• ;-• •• ~ ·.• :.·· .· · ..... : ·: •. • ·:. 4 ...... ,t/·. ·

4.·· ·"' .. · ·, SUPPORT TOP MAT/;

. . . 4 . ,(. ~ •.. -:.~ ./ :· , .: . ·." ~ • : _41,,,· ••. "4·. 7•: .. "', . ~:. ~: ·.. ~ I

EMBEDMENT RING

SEE~

. ~~~-~·-c-f~ .. ~~~~ / BOTIOM REINFORCEMENT

SE~

1'-6" 1'-7" (TYP)#9 3" C.C.C. ED ~;~~-~-N: OTOWER2 FOUN4DATIO~

SCALE IN FEET l TOWER

TOP REINFORCEMENT I BOTIOM REINFORCEMENT

' ' 0 ' ~ ·ro ~ ' -ow f5 (0 <-? / ....... o / ::, 0 /

/ / ,

, / ,

z 0

ffi~ a:: a::"' w ...,u 3:

~o g ... . "" ~U) U@

o-1-io""' "'

" ' ' " '

' ' 0 ' ~OCI~ ' " -ow

~~~

'

~ LEAN CONCRETE TO PROTECT AND LEVEL SUBGRADE

'

"' " " " " " "

/ /

/ /

/

/

0 ~e~ - w o::ou w <O • ~,...o 0

z 0

ffi~ o::w ...,u ~o !z ' w <O

U@

o-1-io""' "'

0 .10:1: N- • - w o::ou I!! <O •

Jo "' N-,...

:o w 0

w <O ~ ~- 8, 0

z o;,: ffi LJ a:: -~ ...J ~ IO ~or-!z'io w w '° ~ u CJ , o~ 0

·'::: ex,..., "'

Jo "' N-,...

:o w

~ I!! <O

1·-~· ±1/8" 10° -~· [3260] NOM. I.D.

• [ 4040] NOM. O.D.

FOR PERMITTING ONLY NOT FOR CONSTRUCTION

::, 0

12°-0 " TOP REINFORCEMENT

::i""'o ::i""' 8, 0 0

I BOTIOM REINFORCEMENT 10·-o· 0 CUTOFF CUTOFF 0 "' <O

~DETAIL:

<O ,... w TOP & BOTIOM REINFORCEMENT 01 5 10 w w

~ l,1 I I 111 I 111 ~ ~ CJ

~1/8"=1 '-0" SCALE IN FEET CJ CJ

Scale AS SHOWN Date 9/14/2017 Drawn JMW GERONIMO ENERGY Checked CMM3 MINNEAPOLIS, MINNESOTA

FOUNDATION DESIGN DATA: MIN. FACTOR OF SAFETY AGAINST OVERTURNING: > 1.5 MIN. FACTOR OF SAFETY AGAINST SLIDING: > 1.5 MIN. FACTOR OF SAFETY AGAINST BEARING CAPACITY FAILURE: >2.26 ON EXTREME

FATIGUE LIFE: 30 YEARS BASED ON FATIGUE LOADING PROVIDED IN REFERENCE 1

REFERENCE DOCUMENTS: 1. VESTAS, "FOUNDATION LOADS, Vl 36-3.45 MW, MK3. IEC3A. 82 M (TOWER T3111520)."

DOCUMENT NO. 0068-6938 VER 00, ISSUED NOT FOR CONSTRUCTION. DATED AUGUST 140

2017. PRELIMINARY LOADING . 2. BARR ENGINEERING CO. "PRELIMINARY GEOTECHNICAL ENGINEERING REPORT. CROCKER WIND

PROJECT. CLARK COUNTY, SOUTH DAKOTA'', DATED TBD.

MIN. 28-DAY COMPRESSIVE STRENGTH CONCRETE: 5,000 PSI {FOOTING) 5,500 PSI {PEDESTAL)

MIN. YIELD POINT STRENGTH OF REINFORCING BAR: 60 KSI UNO

MIN. STRENGTH OF ANCHOR BOLTS: TENSILE STRENGTH 150 KSI YIELD STRENGTH 120 KSI

MIN. 28-DAY COMPRESSIVE STRENGTH OF NON-SHRINK GROUT: 13,000 PSI

MIN. YIELD POINT STRENGTH OF EMBEDMENT PLATE: 36 KSI

VOLUME OF CONCRETE IN FOUNDATION: 505 CUBIC YARDS

ESTIMATED WEIGHT OF STEEL REINFORCING: GRADE 60 OPTION: 54 TONS GRADE 75 OPTION: 39.0 TONS GRADE 75

9.0 TONS GRADE 60

COARSE AGGREGATE GRADATION: ASTM C33 (SIZE NUMBER 5, 56, OR 57) WITH A MINIMUM OF 2,r; RETAINED ON THE 1-INCH SIEVE.

MIN. REQUIRED ALLOWABLE NET BEARING CAPACITY: 2000 PSF

ABBREVIATIONS: 8.0. BOTIOM OF o.c. ON CENTER c.c.c. CLEAR CONCRETE COVER O.D. OUTSIDE DIAMETER

l CENTER LINE R RADIUS EL ELEVATION T&B TOP AND BOTIOM E.W. EACH WAY T.O.C. TOP OF CONCRETE EX. EXISTING TYP TYPICAL I.D. INSIDE DIAMETER U.N.O. UNLESS NOTED OTHERWISE MIN. MINIMUM MAX. MAXIMUM NOM. NOMINAL W/ WITH ¢ DIAMETER

CROCKER WIND PROJECT BARR PROJECT No.

41 12-1001.01 CLARK COUNTY, SOUTH DAKOTA CLIENT PROJECT No.

SPREAD FOOTING FOUNDATION Designed ARC2 DWG. No. REV. No. Approved PLAN, ELEVATION, SECTION & DETAILS S-01 A

~ ~------------------------''------------I 0 · · ;/, NO. BY HK N'P DATE REVISION DESCRIPTION MBJ