L ADOW ONGME P ARKWAY V AL UE E RING NGINE E S T UDY VE Summa ry - - PowerPoint PPT Presentation

L

ONGME ADOW

PARKWAY VAL

UE E NGINE E RING

ST

UDY

 Va lue E

ng ine e ring

 E

va lua te s e ng ine e ring in re g a rds to func tio n o f a pro duc t o r se rvic e

 Ge ne ra te s a lte rna tive s thro ug h the use o f c re a tive thinking  I

s c o nduc te d b e twe e n Pha se I a nd Pha se I I

 Re sults in c o st sa ving s a nd b e tte r va lue

VE Summa ry

 VE

Wo rksho p

 I

de a g e ne ra tio n - 126

 Co nc e pts re vie we d & de ve lo pe d furthe r  I

de a s Mo ving fo rwa rd - 23 VE wo rksho p Co mme nts b y K DOT a nd Pha se I I De sig ne rs Co mme nts b y I DOT F ina l De c isio ns

 Purpo se  T

• e nsure b e st va lue fo r the pro je c t

 Pro je c ts o ve r $50 millio n

 Pha se I

E ng ine e ring prima ry a re a s o f po te ntia l sa ving s:

 Struc ture o ve r F

• x Rive r

 Pa ve me nt De sig n  E

a rthwo rk

 Dra ina g e De sig n

VE Summa ry (c o nt.)

• Phase I Engineering Estimates

Re c o nfig ure Spa n & Supe rstruc ture

Phase I De sign: 8-span str uc tur al ste e l

 E

va lua te d 5 Alte rna te De sig ns

 4-spa n o ve r F

• x Rive r

 Hig h Pe rfo rma nc e Co nc re te (HPC) /

Hig h F ric tio n De c k / Anti-ic ing de c k

 T

wo b ridg e s se pa ra te d b y 150’ MSE Wa ll

 4-la ne s

We a the ring Ste e l

Phase I De sign: Painte d ste e l gir de r s

 E

limina te s initia l pa int c o st

 Re duc e s life c yc le c o st - no

re -painting

 Ble nds into e nviro nme nt

We a the ring Ste e l: sta b le ma te ria l tha t

g ive s a rustic a ppe a ra nc e whe n e xpo se d to we a the ring e le me nts

Ope n Pie r T ype

Phase I De sign: So lid wall pie r s

 Ope n pie r, multi-c o lumn,

ha mme rhe a d c o nfig ura tio n

 Re duc e s c o st o f ma te ria l

a nd ma inte na nc e

 Mo re a e sthe tic a lly ple a sing

F

• ur F
• o t Wide Ra ise d Me dia n o n Bridg e

Phase I De sign: E ight fo o t wide r aise d me dian

 Re duc e me dia n width b y fo ur

fe e t

 De c re a se s width o f e ntire b ridg e  De c re a se s b ridg e c o st

Bridg e Pro file Adjustme nt

Phase I De sign: L ar ge c uts thr u bluffs o n e ast and we st o f F

• x Rive r

 E

va lua te pro file a lte rna tive s to minimize c uts

 Sig nific a ntly re duc e s e a rthwo rk c ut

11 F

• o t Wide L

a ne s

Phase I De sign: 12 fo o t wide lane s

 11 fo o t la ne s o n

L

• ng me a do w a nd side

ro a ds

 Re duc e o ve ra ll c ro ss se c tio n  Re duc e pa ve me nt a nd

e a rthwo rk c o sts

 4 la ne s – Ra nda ll to I

L 62

Gra de Se pa ra tio n a t I L 31

Phase I De sign: Co nve ntio nal at-gr ade

 I

mpro ve inte rse c tio n c a pa c ity

 Be tte r e a rthwo rk b a la nc e  I

mpro ve dra ina g e func tio n

 Avo id histo ric pro pe rty

E a rth E xc a va tio n

Phase I De sign: No t dir e c tly addr e sse d

 Ra g ing Buffa lo Sno wb o a rd/ Ski Pa rk  K

DOT a nd K CF P mutua l b e ne fit

 Re duc e s ha ul-o ff e xpe nse s  Re duc e s truc k tra ffic o n I

L 31

Ope n Ditc h Dra ina g e

 Co nve rt a po rtio n o f c lo se d dra ina g e

to o pe n ditc h

 Re ta in c urb a nd g utte r to c o lle c t

wa te r a nd o utle t dire c tly into ditc h

 E

limina te s a n e stima te d 8,000 L F

• f

sto rm se we r

E a rth Be rms

 Use e xc e ss fill fo r b e rms whe re a b le

 Re duc e s ha ul-o ff c o sts  Se pa ra te s ro a d fro m a dja c e nt

pro pe rtie s

Co st Bre a kdo wn

 Se c tio n A – Huntle y/ Bo ye r Ro a d thro ug h Ra nda ll Ro a d



$11 Million  Se c tio n B – Ra nda ll Ro a d thro ug h I

llino is Ro ute 31



$29 Million  Se c tio n C – I

llino is Ro ute 31 thro ug h I llino is Ro ute 25



$48 Million  Se c tio n D – I

llino is Ro ute 25 thro ug h I llino is Ro ute 62



$9 Million

Que stions

L

ONGME ADOW

PARKWAY VE ST

UDY