SI L VE R ST RAND UNDE RGROUNDI NG OF UT I L I T I E - - PowerPoint PPT Presentation

SI L VE R ST RAND UNDE RGROUNDI NG OF UT I L I T I E S

NAVAL COMPL E XE S ME E T I NG: NOVE MBE R 18, 2019

Unde rg ro und Co nve rsio n Distric t # 20

 De sc riptio n: Unde rg ro unding o f the o ve rhe a d utility line s b e twe e n the

so uthe rn e nd o f NAB a nd F iddle r’ s Co ve (a ppro xima te ly 1.4 mile s)

 Pro je c t T

ime line :

 Ma rc h 8, 1996 – SDGE

pro vide s initia l study fo r the Stra nd Be a utific a tio n Pro je c t with a n e stima te d c o st o f $970,000

 Ma y 29, 1996 – Me e ting b e twe e n Na va l Amphib io us Ba se Co ro na do a nd

me mb e rs o f the Stra nd Be a utific a tio n Pro je c t disc ussing Na vy’ s c o ntrib utio n a nd re q ue sting City invo lve me nt

 June 2, 1996 – Stra nd Be a utific a tio n Pro je c t re q ue sts City c o o rdina tio n with

unde rg ro unding pro je c t

 June 23, 1996 – City Co unc il re prio ritize s c o nve rsio n distric ts, ma king this

se c tio n o f the Silve r Stra nd the to p prio rity in o rde r to ta ke a dva nta g e o f Na vy’ s o ffe r to do na te la b o r to insta ll the unde rg ro und c o nduits, ha ndho le s a nd tra nsfo rme r pa ds. City a dva nc e s $350,000 to b e re imb urse d b y SDG&E with 20A funds

Unde rg ro und Co nve rsio n Distric t # 20

 Pro je c t T

ime line Co ntinue d

 Aug ust 20, 1996 – Pub lic He a ring : City Co unc il a do pts a Re so lutio n

e sta b lishing Unde rg ro und Utility Distric t # 20

 Ja nua ry 15, 1997 – Se a b e e s a rrive a t NAB  F

e b rua ry 1, 1997 – T re nc hing a nd c o nduit insta lla tio n b e g in

 April 1, 1997 – City Co unc il a utho rize s a lo a n o f up to $277,642 to finish

the unde rg ro unding , inc luding c a b ling a nd re mo va l o f po le s a nd

• ve rhe a d wire s. L
• a n to b e re pa id in 1999 b y 20A funds

 June 1, 1997 – Se a b e e s c o mple te c o nduit insta lla tio n  June 20, 1997 – Po le s a nd o ve rhe a d fa c ilitie s re mo ve d; pro je c t

c o mple te

Unde rg ro und Co nve rsio n Distric t # 20 – Ro le s a nd Re spo nsib ilitie s

 Sa n Die g o Ga s a nd E

le c tric

 Pro je c t De sig n  Pro je c t I

nspe c tio n

 E

a se me nts a nd Rig ht-o f-Wa y I ssue s

 Purc ha sing Ag e nt

 City o f Co ro na do

 Appro ve Distric t  Co nduc t Pub lic He a ring  Adva nc e F

unds

 Pro je c t Ma na g e me nt



NAB/ Se a b e e s



Pe rmitting Ag e nt



NE PA Re vie w



Ma te ria l T a ke -o ffs fo r Purc ha sing



I nsta lla tio n o f Co nduit, Ma nho le s a nd E q uipme nt Pa ds

Unde rg ro und Co nve rsio n Distric t # 20 – Pro je c t Co sts



Orig ina l SDG&E E stima te

 E

stima te fo r Unde rg ro unding $1,270,000

 E

q uiva le nt Ove rhe a d (c re dit) $ <150,000>

 Se a b e e L

a b o r (c re dit) $ <150,000>

 T

• ta l Co st

$ 970,000



Se a b e e Co st E stima te

 T

• ta l Co st (Ma te ria l/ E

q uipme nt) $ 481,000

 E

stima te d L a b o r Sa ving s $ 298,000



Co st o f Co nve rsio n

 T

• ta l Co st

$ 627,000

Unde rg ro und Co nve rsio n Distric t # 21

 De sc riptio n: Unde rg ro unding o f the o ve rhe a d utility line s b e twe e n

F iddle r’ s Co ve a nd the City limit line a t I mpe ria l Be a c h to b e c o nve rte d in two pha se s:

 No rthe rn Pha se – 7,800 fe e t fro m F

iddle r’ s Co ve to E mo ry Co ve

 So uthe rn Pha se – 8,800 fe e t fro m E

mo ry Co ve to I mpe ria l Be a c h

 Pro je c t T

ime line :

 Se pte mb e r 7, 1999 – City Co unc il a do pts a Re so lutio n c a lling fo r a Pub lic

He a ring

 Se pte mb e r 21, 1999 – Pub lic He a ring he ld whe re City Co unc il e sta b lishe s

the Unde rg ro und Co nve rsio n Distric t

 Utility c o mpa nie s to c o mme nc e de sig n wo rk b y Oc to b e r 12, 1999  Se a b e e tra ining e xe rc ise / unde rg ro unding to c o mme nc e b y July 10, 2000  Po le s a nd o ve rhe a d wire s to b e re mo ve d b y De c e mb e r 30, 2000

Unde rg ro und Co nve rsio n Distric t # 21

 Pro je c t T

ime line :

 Oc to b e r 17, 2000 – City Co unc il a utho rize s a lo a n o f $34,000 fo r

e nviro nme nta l do c ume nta tio n o f the pro je c t to b e re pa id b y 20A funds

 Oc to b e r 16, 2001 – City Co unc il a utho rize s a n a dditio na l $125,000 to

c o mple te the e nviro nme nta l do c ume nta tio n a nd mitig a tio n (a rc he o lo g ic a l re c o ve ry, b io lo g ic a l mitig a tio n a nd mo nito ring )

 Ja nua ry 15, 2002 – City Co unc il pro c la ims Ja nua ry 15, 2002, a s U.S. Na va l

Mo b ile Co nstruc tio n Ba tta lio n One T hirty-T hre e Da y fo r re c o g nitio n o f its insta lla tio n o f the unde rg ro und c o nduits fo r the c o nve rsio n distric t

 Ma y 7, 2002 – City Co unc il a utho rize s a lo a n o f $123,000 fo r dire c t c o sts

inc urre d b y the Na vy to c o mple te the c o nduit insta lla tio n. I te ms inc lude d re nta l e q uipme nt (b a c kho e s, dump truc ks, stre e t swe e pe rs), tra ffic c o ntro l, slurry c e me nt b a c kfill, fue l, e tc .

 F

e b rua ry 23, 2003 – L a st po le insta lle d

Unde rg ro und Co nve rsio n Distric t # 21 – Ro le s a nd Re spo nsib ilitie s

 Sa n Die g o Ga s a nd E

le c tric

 Pro je c t De sig n  Pro je c t I

nspe c tio n

 E

a se me nts a nd Rig ht-o f-Wa y I ssue s

 Purc ha sing Ag e nt

 City o f Co ro na do

 Appro ve Distric t  Co nduc t Pub lic He a ring  Adva nc e F

unds

 Pro je c t Ma na g e me nt  E

nviro nme nta l Do c ume nta tio n

 Mitig a tio n a nd Mo nito ring



Na vy



Pe rmitting Ag e nt



NE PA Re vie w



Ma te ria l T a ke -o ffs fo r Purc ha sing



I nsta lla tio n o f Co nduit, Ma nho le s a nd E q uipme nt Pa ds



Assist with Cultura l Re so urc e s

Unde rg ro und Co nve rsio n Distric t # 21 – Pro je c t Co sts



Orig ina l E stima te Pha se I (E mo ry Co ve to I mpe ria l Be a c h)

 E

stima te fo r Unde rg ro unding $1,400,000

 Se a b e e L

a b o r (c re dit) $ <715,000>

 T

• ta l Co st

$ 685,000



Co st o f Co nve rsio n

 T

• ta l Co st

$ 900,000* *inc lude s $190,000 fo r Arc he o lo g ic a l Re c o ve ry, Bio lo g ic a l Mitig a tio n a nd Mo nito ring

Unde rg ro und Co nve rsio n Distric t # 21 Pha se I I

 De sc riptio n: Unde rg ro unding o f the o ve rhe a d utility line s b e twe e n

F iddle r’ s Co ve a nd E mo ry Co ve

 Pro je c t L

e ng th: 8,960 fe e t

 E

stima te d Co st: $9,000,000

 Pro je c t T

ime line :

 June 18, 2019 – City Co unc il pro vide s dire c tio n to mo ve fo rwa rd with

de sig n o f c o nve rsio n; c o st o f de sig n is $96,000

 No ve mb e r 13, 2019 – Site wa lk with utility c o mpa nie s  Co nstruc tio n – T

BD