R-1904C1 Addendum No. 1.pdf

ADDENDUM NO. 1

to

PLANS AND SPECIFICATIONS

for

2020 LOCAL STREET PROGRAM – ROADWAY IMPROVEMENTS

R-1904C1

February 19, 2020

This Addendum No. 1 forms a part of the contract documents as described above. The original contract documents remain in full force and effect except as modified herein.

Please read the following items and acknowledge receipt (see attached sheet) of this addendum on the proposal form when submitting bids.

- Please email Acknowledgement Page to the City of Enid, junruh@enid.org, for company to be included in the bid process

- If submitting a hard copy bid, bidders shall acknowledge receipt of this Addendum by signing and submitting the Acknowledge Page with bid. Failure to do so may subject the Bidder to disqualification

- Please find the attached revised contract document and specifications and replace the corresponding outdated documents with them.

ITEM NO. 1 –

Revised plan sheets attached to address the following clarifications

Plan Sheet 7 – Added note: Vibrating compaction methods should not be used within 5 feet of the existing tunnel.

Plan Sheet 8 – Added note: East concrete driveway to be removed. (Included in Pay Item

No. 31)

Olsson

Liesel Polwort, P.E.

Lead Engineer

Attachments: Acknowledgement Page

Plan Sheet 7 Plan Sheet 8

Project:

Project Number:

Bid Closing Date:

Company:

Name:

Signature:

Tile:

Date:

ADDENDUM NO. 1

ACKNOWLEDGEMENT PAGE

February 19, 2020

February 19, 2020

R-1904C1

City of Enid; 2020 Local Street Program - Roadway Improvements

SANITARY MANHOLE

TR=1245.64

FL N=1233.26 10" VCP

FL S=1233.27 10" VCP

FL E=1233.56 10" VCP

GRATE INLET

TG=1243.46

FL N=1239.69

15" CMP

GRATE INLET

TG=1245.88

FL NE=1243.38 15" VCP

FL S=1244.28 12" CMP

GRATE INLET

TG=1245.37

FL S=1241.57 24" RCP

FL N=1241.52 24" RCP

STORM MANHOLE

TR=1246.36

FL N=1244.16 12" CMP

FL SW=1244.21 12" CMP

11 STORY

BRICK BUILDING

FFE 1ST FLOOR=1246.55

14 STORY

BRICK BUILDING

FFE 1ST FLOOR=1246.70

1 STORY

BRICK AND SIDING

BUILDING

FFE=1246.80

2 STORY

BRICK BUILDING

FFE=1244.70

2 STORY

BRICK BUILDING

FFE=1244.00

1 STORY

BRICK BUILDING

9.8' DIA. TUNNEL

CEILING EL=1240.60'

STOP SIGN

STOP SIGN

STOP

SIGN

STOP SIGN

SIGN

"NO PARKING"

COMMUNICATIONS

MANHOLE

TRAFFIC

SIGNAL BOX

TRAFFIC

SIGNAL BOX

FIRE HYDRANT

WATER VALVE &

METER

TRAFFIC

SIGNAL BOX

TRAFFIC

SIGNAL BOX

FDC

FDC

FIRE HYDRANT

& VALVE

SITE BENCHMARK

CUT "X"

EL=1246.45

SITE BENCHMARK

CUT "X"

EL=1245.11

SIGN

"PIONEER TELEPHONE

1-800-992-0234"

WATER

METER

WATER

METER

ROOF DRAIN

AT CURB

WATERLINE

(PER ATLAS)

WATER

VALVE

WATER

VALVE

BLDG. OVERHANG

BLDG. OVERHANG

CONCRETE

PARKING

W. MAPLE AVENUE

(ASPHALT PAVING)

STORM

JUNCTION

(PER ATLAS)

SIGN

"PIONEER TELEPHONE

1-800-992-0234"

BASEMENT WALL

AT CURB

CONCRETE

CONCRETE WALK

CONCRETE WALK

CONCRETE WALK

ASPHALT PARKING

WATER

METER

WATER

METER

CONCRETE

CONCRETE

FOUND CUT "X"

CROSSWALK

CROSSWALK

CROSSWALK

CROSSWALK

C R

O S

S W

A L K

C R

O S

S W

A L K

C R

O S

S W

A L K

C R

O S

S W

A L K

N

I N

D E

P E

N D

E N

C E

A

V E

N U

E

A

S P

H A

L T

P

V

I N

G

N

W

A S

H I N

G T

O N

S

R

E E

T

A

S P

H A

V

I N

G

TRAFFIC

SIGNAL POLE

TRAFFIC

SIGNAL POLE

TRAFFIC

SIGNAL POLE

LIGHT POLE

TRAFFIC

SIGNAL POLE

78.42' R/W

78.42' R/W(EAST)

78.75' R/W(WEST)

80.00' R/W

80.00' R/W

66.00' R/W

66.00' R/W

TEMPORARY R/W

JONESVILLE ADDITION

23 24 25 26 27 28 29 30 31

16.25' BY CITY ORDINANCE 16.25' BY CITY ORDINANCE

4" STRIP PER DEED

9+50 10+00 11+00 12+00 13+00 14+00 14+80

S T

A

B E

G I

W

S

T

M

A P

E

C O

N S

T R

U C

T I O

N

S T

A

E N

D

W

E S

T

M

A P

E

C O

N S

T R

U C

T I O

N

P L A

N

A

D

R O

F I

H E

M

A P

E

SHEET

R E

V I S

I O

N S

N O

R E

V

D A

T E

R E

V I S

I O

S

C R

I P

T I O

N project no.:

approved by:

checked by:

drawn by:

drawing no.:

QA/QC by:

date:

w w w o l s s o n c o m

T E

L

N

W r d

S t r e e t

S u i t e

O k l a h o m a

C i t y

O

K

R

C

E

N

C

R

E E

O

G R

A M

E N

I D

O

K L

A H

O M

A

B

L O

K

F

W

E S

T

M

A P

E

N U

E

Vibrating compaction methods should not be used within 5 feet of the existing tunnel

15 14 13 12 11 10 9 8 7 6 5 4 3 2 1

18 19 20 21 22 23 24 25 26 27 28 29 30 31 32

SANITARY MH

RIM=1234.17

FL IN(NW-15"VCP)=1220.72

FL OUT(E-15"VCP)=1220.67

SANITARY MH

RIM=1230.54

FL IN(S-8"VCP)=1221.39

FL IN(N-10"VCP)=1220.49

FL OUT(E-10"VCP)=1220.44

SANITARY MH

RIM=1230.46

FL IN(S-15"VCP)=1218.46

FL OUT(E-15"VCP)=1218.26

SANITARY MH

RIM=1229.94

FL IN(S-15"VCP)=1218.84

FL OUT(N-15"VCP)=1218.64

APPROXIMATE LOCATION OF MANHOLE PER GIS.

MANHOLE NOT FOUND, POSSIBLY BURIED.

APPROXIMATE WATER

LINE PER CITY GIS

APPROXIMATE WATER

LINE PER CITY GIS

GRATE INLET

GRATE=1234.34

FL OUT(NE-12"RCP)=1230.94

GRATE INLET

GRATE=1233.34

FL OUT(SE-12"RCP)=1230.79

GRATE INLET

GRATE=1232.80

FL IN(SW-24"RCP)=1228.40

FL OUT(SE-24"RCP)=1228.20

STORM MH

RIM=1234.10

FL=1220.60*

*NO FL DIRECTIONS OR SIZES. ONLY AN

OPENING AT THE BOTTOM.

STORM MH

RIM=1230.33

FL IN(NE-12"METAL)=1224.43

FL IN(SW-12"METAL)=1225.43*

FL IN(NW-18"RCP)=1223.53

FL IN(N-24"METAL)=1220.93

FL OUT(S-24"METAL)=1220.83

*SW CONNECTION UNKNOWN

GRATE INLET

GRATE=1228.94

FL=1218.44*

*LARGE OPENING AT BOTTOM. UNABLE TO

VERIFY SIZE/TYPE

GRATE INLET

GRATE=1228.91

FL OUT(SE-18"RCP)=1224.91

GRATE INLET

GRATE=1229.11

FL OUT(SW-12"METAL)=1225.71

GRATE INLET

GRATE=1229.24

FL=1218.24*

*LARGE OPENING AT BOTTOM. UNABLE TO

VERIFY SIZE/TYPE

W. OKLAHOMA AVE.

(ASPHALT PAVING)

CONCRETE PARKING LOT

CONCRETE PARKING LOT

ASPHALT PARKING LOT

S

W

A S

H I N

G T

E

C

O N

C R

E T

E

P

A V

I N

G

CONCRETE SIDEWALK

CONCRETE SIDEWALK

CONCRETE

APRON

CONCRETE

APRON

CONCRETE

APRON

GRASS

GRASS

GRASS

GRASS

GRASS

GRASS

GRASS

GRASS

C O

N C

R E

D

E W

A L K

C O

N C

R E

D

E W

A L K

CROSSWALK

CROSSWALK

"CHEROKEE LOT"

"CHEROKEE LOT"

"STOP"

"NO PARKING"

"STOP"

"STOP"

PROJECT BENCHMARK #9

CUT "X" ON CURB

ELEV.=1233.94

PROJECT BENCHMARK #7

CUT "X" ON CURB

ELEV.=1229.60

PROJECT CONTROL #6

1/2" CAPPED REBAR

"CONTROL POINT"

N:507078.25

E:2003809.34

Z:1229.87

PROJECT CONTROL #10

1/2" CAPPED REBAR

"CONTROL POINT"

N:507085.20

E:2003343.72

Z:1235.64

PROJECT CONTROL #8

1/2" CAPPED REBAR

"CONTROL POINT"

N:507056.17

E:2003615.00

Z:1232.27

20+00 21+00 22+00 23+00 24+00 24+72.39

SHEET

R E

V I S

I O

N S

N O

R E

V

D A

T E

R E

V I S

I O

S

C R

I P

T I O

N project no.:

approved by:

checked by:

drawn by:

drawing no.:

QA/QC by:

date:

w w w o l s s o n c o m

T E

L

N

W r d

S t r e e t

S u i t e

O k l a h o m a

C i t y

O

K

R

C

E

N

C

R

E E

O

G R

A M

E N

I D

O

K L

A H

O M

A

B

L O

K

F

W

E S

T

O

K L

A H

O M

A

A

V E

N U

E

P L A

N

A

O

F I

H E

O

K L A

H O

M

E

S T

A

B E

G

S

T

O

K L A

H O

E

C O

N S

T R

U C

T I O

N

S T

A

E N

D

W

E S

T

O

K L A

H O

E

C O

N S

T R

U C

T I O

N

East concrete driveway to be removed. (Included in Pay Item No. 31)