Addendum 137.pdf

ADDENDUM NO. 1

to the Contract Documents for

HECTOR STREET COMPLETE STREETS

PIN 3950.63, D035697

Issued: January 10, 2020

QUESTIONS RECEIVED FROM PLANHOLDERS

1. The project has an item for CLSM. Where is this to be used, I do not see a detail that shows where this goes.

This item has been deleted from the contract. Please refer to the ‘Changes to the Contract Documents’ below.

2. There is an item for structural fill. There are no details showing where this item is used.

Details for structural fill have been outlined in the replacement sheets included in the ‘Changes to the Contract Documents’ below.

3. For the Headwall repair #2, what pay item will be used to excavate the existing material over top of the rock to be drilled into?

A note has been added to sheet 100 for payment clarification and a replacement sheet is included in the ‘Changes to the Contract Documents’ below.

4. For the Headwall repair #2, will there be any rock excavation to get proper alignment/ locations of the dowel bars called out in the plans? If so, how will this be paid?

Refer to the response #3 above.

5. For the headwall to be removed under item 203.02 from STA 79+00 to 81+00 are there any known dimensions of the existing wall?

No as-built information showing the construction materials or configuration of the wall is available.

According to NYSDOT retaining wall information, the existing retaining wall is 74’ long with a maximum height of 5’.

6. I do not see item 207.26 Prefabricated Composite Structural Drain called out in the plans. Where is this item used?

Item 207.26 has been added to sheet 98 and a replacement sheet included in the ‘Changes to the Contract Documents’ below.

7. Per note ”SURVEY WORK FOR SIDEWALKS AND CURB RAMPS” in section 1100 page SN-10, the contractor is responsible to field verify that all elevation and dimensions of the final layout for all sidewalks and curb ramps meet ADA requirements. Some of the ADA ramps detailed in the project plans currently cannot be built to ADA requirements if they are built as detailed, will the contractor

ADDENDUM NO. 1 January 10, 2020 Hector Street Complete Streets Page 2 of 2 be required to adjust the elevations and dimensions of the ADA ramps to meet the ADA requirements or are they to be built as detailed?

It is understood due to the grade of the road that some of the ramps cannot be built to ADA requirements and non-standard forms for these ramps have been approved. The contractor shall construct the sidewalk curb ramps as detailed in the contract drawings.

8. For pipe trench restoration in existing pavement, what detail is to be used for the asphalt sections? Is this to be included in the asphalt pay items?

The pipe trench details on sheet 29 have been revised to refer to the typical sections for asphalt pavement items and thicknesses. According to note 4 on the typical sections, the contractor shall match existing pavement depths. A replacement sheet for sheet 29 is included in the ‘Changes to the Contract Documents’ below.

CHANGES TO CONTRACT DOCUMENTS

1. DELETE on plan Sheet No. 9, QU-1 in the CONTRACT DRAWINGS, ITEM 204.01 – CONTROLLED LOW STRENGTH MATERIAL (CLSM) in its entirety.

2. CHANGE on plan Sheet No. 9, QU-1 in the CONTRACT DRAWINGS, the quantity for ITEM

554.40 – FILL TYPE RETAINING WALL (0-6FT) “851 SF” to “884 SF”.

3. REPLACE plan Sheet No. 29, MD-1 with the attached revised Sheet No. 29, MD-1 in the

CONTRACT DRAWINGS.

4. REPLACE plan Sheet No. 98, ST1-1 with the attached revised Sheet No. 98, ST1-1 in the

CONTRACT DRAWINGS.

5. REPLACE plan Sheet No. 99, ST1-2 with the attached revised Sheet No. 99, ST1-2 in the

CONTRACT DRAWINGS.

6. REPLACE plan Sheet No. 100, ST2-1 with the attached revised Sheet No. 100, ST2-1 in the

CONTRACT DRAWINGS.

7. REPLACE plan Sheet No. 101, ST2-2 with the attached revised Sheet No. 101, ST2-2 in the

CONTRACT DRAWINGS.

8. DELETE on Page No. BF-9 in the CONTRACT SPECIFICATIONS, the quantity for ITEM 204.01

– CONTROLLED LOW STRENGTH MATERIAL (CLSM) in its entirety.

9. CHANGE on Page No. BF-12 in the CONTRACT SPECIFICATIONS, the quantity for ITEM

554.40 – FILL TYPE RETAINING WALL (0-6FT) “851 SF” to “884 SF”.

END OF ADDENDUM NO. 1

29 MD-1

NOT TO SCALE

DETAILS

MISCELLANEOUS

ITEM 203.02

EXCAVATION & DISPOSAL

UNCLASSIFIED

DI

A.

ITEM 552.17

SYSTEM AS REQUIRED

EXCAVATION PROTECTION

ITEM 203.07

SELECT GRANULAR FILL

SUBGRADE

PER OSHA REQUIREMENTS

SLOPE TRENCH WALL

ITEM 203.07

SELECT GRANULAR FILL

TRENCH & CULVERT

EXCAVATION

DI

A.

ITEM 206.0201

ITEM 206.0201

EXCAVATION

TRENCH & CULVERT

WITHIN PROPOSED PAVEMENT OUTSIDE PAVEMENT

NOT TO SCALE

SOLID WALL DRAINAGE PIPE INSTALLATION

O.D. PLUS 1'-0" ON EACH SIDE OF PIPE

1"

SHOULDER)

(PAVEMENT OR

HMA OR PCC

ROADWAY

TOWARDS

„" PITCH

6" MIN.

R=1•"

6"

M I N

TYPICAL SECTION)

SUBBASE (SEE PLAN

NOT TO SCALE

(VERTICAL FACED CURB AND GUTTER)

u14" u6"

NOTES:

COVER POSITIVE ADJUSTMENT

SEWER MANHOLE FRAME &

6"

SEE NOTE 1

NEW CONCRETE CURB

ITEM 609.0401

CURB NOTES:

2. TACK COAT UNEXPOSED SURFACE OF CURB.

1. TOP OF CURB THICKNESS IS TO MATCH EXISTING.

7" MIN

9" MAX

PROPOSED SURFACE

MANHOLE FRAME

2'-8" DIAMETER (O.D.)

EXISTING SURFACE

ENCASEMENT

CLASS A CONCRETE

SEE NOTE #2 & #3

TACK COAT

CONCRETE ENCASEMENT

PAVEMENT TO TOP OF

PAVEMENT FROM TOP OF

4" MINIMUM ASPHALT

MINIMUM

12"

TO REMAIN

MANHOLE RISER SECTION

PORTION OF EXISTING

AND LEVELING COURSES SHALL BE INCLUDED IN ITEM 604.070302.

4. THE COST FOR TACK COAT, CONCRETE ENCASEMENT, DAMPROOFING, EXCAVATION, BACKFILL, LEVELING COURSE.

3. LOWER LIMIT OF CLASS A CONCRETE ENCASEMENT IS TO BE BELOW LOWEST PORTION OF

AND CROSS-SLOPE.

THE MANHOLE SUCH THAT THE FRAME & COVER WILL BE AT THE PROPER FINISHED GRADE

2. THE CONTRACTOR SHALL REMOVE OR ADD COURSES OF BLOCK OR BRICK IN ORDER TO ADJUST

MUD AND FOREIGN MATERIAL FROM ENTERING SEWER SYSTEM DURING CONSTRUCTION.

1. APPROPRIATE MEASURES ARE TO BE TAKEN TO PREVENT SURFACE WATER, GROUND WATER,

NOT TO SCALE

NOT TO SCALE

6" 6" CONCRETE CURB REPLACEMENT DETAIL

CURB AND GUTTER REPLACEMENT

CAST-IN-PLACE CONCRETE

EXCAVATION & DISPOSAL

UNCLASSIFIED

ITEM 203.02

FOR PAVEMENT SECTION

SEE TYPICAL SECTIONS

SEWERS AND LATERALS

DETAIL FOR CONNECTION TO EXISTING

NOT TO SCALE

NOTES:

1.

ENCASEMENT

CLASS A CONCRETE

C-594

CONNECTOR, PER ASTM

FLEXIBLE RUBBER JOINT

EXISTING SEWER

SEWER

PROPOSED

PIPE TRENCH

BOTTOM OF

1'-6"

D

SUBGRADE

6"

ITEM 623.12

CRUSHED STONE (WASHED)

NOMINAL DIA. + 24"

TRENCH LIMITS

NOT TO SCALE

AS REQUIRED ITEM 552.17

EXCAVATION PROTECTION SYSTEM

ITEM 206.0201

EXCAVATION

TRENCH & CULVERT

6"

35 SDR PVC

SANITARY LATERAL TRENCH

SUITABLE NATIVE MATERIAL

NOT TO SCALE

LATERAL NOTES:

(NO SUBSTITUTES)

IRON THREADED HUB (HS67)

BRASS SCREW PLUG IN CAST

SEWER MAIN

LETTERING ON COVER

SEWER

C.O.

SANITARY LATERAL CLEANOUT DETAIL

CLEANOUT RISER

4" CAST IRON SEWER

4"x4" CI x SDR 35 ADAPTER

(SEE NOTE 3)

SDR - 35 PVC

10'

BOTTOM OF THE PIPE TRENCH

3.

2.

1.

RESET EXISTING MH FRAME & COVER

FRAME & COVER

UNPAVED AREAS WITHOUT

FINISHED GRADE FOR

WELDED JOINTS

SDR-35 PVC LONG SWEEP

SEWERS AND LATERALS"

CONNECTION TO EXISTING

SEE "DETAIL FOR

BE INCLUDED IN THE PRICE BID FOR ITEM 603.98040007.

FOR WORK COVERED BY THIS DETAIL. ALL COSTS SHALL

NO SEPARATE MEASUREMENT OR PAYMENT WILL BE MADE

TYPE 2

SUBBASE COURSE

ITEM 304.12

LENGTH OF PIPE.

SEE DWG. MT-4 FOR "SEWER LATERAL RECONSTRUCTION TABLE" FOR DIAMETER OF LATERAL AND

603.98040007.

LATERALS, CLEANOUT ASSEMBLIES & COVERS SHALL BE INCLUDED IN THE PRICE BID FOR ITEM

ALL WORK SHOWN ABOVE, INCLUDING PIPE, FITTINGS, CONNECTIONS TO EXISTING MAINS AND

BE RELOCATED A.O.B.E.

EXISTING STORM OR SANITARY SEWER LATERALS IN CONFLICT WITH THE PROPOSED WORK SHALL

PAVEMENT

EXISTING

PAVEMENT

PROPOSED

FOR PAVEMENT ITEMS AND THICKNESS

REFER TO TYPICAL SECTION

SUITABLE FILL MATERIAL

FOR TOPSOIL/SEED ITEMS

REFER TO TYPICAL SECTIONS

DATE

REVISIONS

DATEBYDESCRIPTIONNO.

EDUCATION LAW ARTICLE 145, SECTION 7209.

DRAWING IS A VIOLATION OF THE NEW YORK STATE

NOTE: UNAUTHORIZED ALTERATION OR ADDITION TO THIS

PROJECT NAME

CLIENT

DRAWING TITLE

OF

SHEET NO. DRAWING NO.

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PROJECT

COMPLETE STREETS

HECTOR STREET

JANUARY 2020

1/10/2020

1 REVISED SOLID WALL

DRAINAGE PIPE INSTALLATION

DETAIL

RJS 1/10/191/10/20

DATE

REVISIONS

DATEBYDESCRIPTIONNO.

EDUCATION LAW ARTICLE 145, SECTION 7209.

DRAWING IS A VIOLATION OF THE NEW YORK STATE

NOTE: UNAUTHORIZED ALTERATION OR ADDITION TO THIS

PROJECT NAME

CLIENT

DRAWING TITLE

OF

SHEET NO. DRAWING NO.

DATE

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PROJECT

COMPLETE STREETS

HECTOR STREET

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INCORPORATED18

5'-0"

EXISTING GRADE

FINISHED GRADE

FINISHED GRADE

7'-0"

EL. 785.50

EL. 783.50

EL. 794.00

2'-0" 1'-0" 4'-0"

INV. EL. 786.30

SECTION A-A

TS-1 FOR DETAILS

SEE DWG. NO.

NEW SIDEWALK

7'-5"

E X

IS

T

IN

G

C M P

SCALE: ‰" = 1'-0"

'SW' STATION LINE

D S -5

ITEM 555.09 - CONCRETE FOR STRUCTURES, CLASS HP

ITEM 555.08 - FOOTING CONCRETE, CLASS HP

ITEM 603.9848

48" SICPP EXTENSION (DS4-3)

ITEM 603.77

CONCRETE COLLAR

TYPE I, WITH TOP RAIL, 4 FEET HIGH

ITEM 607.3001 - OPTIONAL CHAIN-LINK FENCE,

3'-0"

ITEM 552.17 - SHIELDS AND SHORING

LIMITS OF STRUCTURE EXCAVATION

ITEM 206.01 AND SELECT STRUCTURE

FILL, ITEM 203.21 (TYP.)

ITEM 203.21

SELECT STRUCTURE FILL

ITEM 207.26

PREFABRICATED COMPOSITE STRUCTURAL DRAIN

A

A

EL. 794.00

EL. 785.50

EL. 783.50

INV. EL. 786.30

24'-0"

ELEVATION

12'-0" CULVERT PIPEc

EXISTING GRADE

SCALE: ‰" = 1'-0"

48" SICPP

ITEM 555.09 - CONCRETE FOR STRUCTURES, CLASS HP

ITEM 555.08 - FOOTING CONCRETE, CLASS HP

TYPE I, WITH TOP RAIL, 4 FEET HIGH

ITEM 607.3001 - OPTIONAL CHAIN-LINK FENCE,

3'-0"

3'-0"

ITEM 552.17 - SHIELDS AND SHORING (TYP.)

LIMITS OF STRUCTURE EXCAVATION

ITEM 206.01 AND SELECT STRUCTURE

FILL, ITEM 203.21 (TYP.)

AS NOTED

ST1-1

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SECTION

ELEVATION AND

HEADWALL 1

98 101

1/10/2020

1 REVISED PAY ITEMS KMW 1/10/191/10/20

DATEBYDESCRIPTIONNO.

EDUCATION LAW ARTICLE 145, SECTION 7209.

DRAWING IS A VIOLATION OF THE NEW YORK STATE

NOTE: UNAUTHORIZED ALTERATION OR ADDITION TO THIS

PROJECT NAME

CLIENT

DRAWING TITLE

OF

SHEET NO. DRAWING NO.

DATE

P.I.N. EAA PROJECT NO.

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EL. 794.00

EL. 785.50

EL. 783.50

(T Y

P

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WALL REINFORCEMENT ELEVATION

48" SICPP

AROUND OPENING (TYP.)

BARS TO BE CUT TO FIT

SCALE: ‚" = 1'-0"

#5(E) BARS @ 18" MAX. (F.F.)

#5(E) BARS @ 12" MAX. (R.F.)

(E

B A

X (E .F

#5(E) BARS @ 18" MAX. (F.F.)

#5(E) BARS @ 12" MAX. (R.F.)

#5(E) BARS @ 12" MAX. (TOP & BOTTOM)

#5(E) BARS

(T Y

P

P

TYPICAL WALL REINFORCEMENT SECTION

EL. 794.00

EL. 785.50

EL. 783.50

SCALE: ‚" = 1'-0"

#5(E) BARS

#5(E) BARS

(E

B A

X (E .F

#5(E) BARS #5(E) BARS

#5(E) BARS @ 12" MAX. (TOP & BOT.)

NOT TO SCALE

1'-0" LAP

INLET DETAIL

SI

CP

P

3"

STAGGERED

B

B

9 ANCHOR BOLTS EQUALLY SPACED

SEE DETAIL

ANCHOR BOLT (TYP.)

SPACED 6" APART

(2) #5(E) BARS

NOT TO SCALE

ANCHOR BOLT DETAIL

6"

2•"

SEE NOTE 3

HEX BOLTdƒ"

SECTION B-B

NOT TO SCALE

6"

SEE DETAIL

ANCHOR BOLT

NOT SHOWN FOR CLARITY

WALL REINFORCEMENT

#5(E) BARS

AS NOTED

ST1-2

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CONCRETE ITEMS.

STANDARD SPEC. 707-20. COST INCLUDED IN THE

3. ANCHOR BOLTS SHALL MEET THE REQUIREMENT OF NYSDOT

BE 2" UNLESS OTHERWISE NOTED.

3" UNLESS OTHERWISE NOTED. ALL OTHER COVER SHALL

2. COVER FOR STEEL REINFORCEMENT IN FOOTING SHALL BE

EPOXY COATED. PAID FOR UNDER ITEM 5560202.

1. ALL REINFORCING STEEL TO BE ASTM A615, GRADE 60

N

B A

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H A

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DETAILS

REINFORCING

HEADWALL 1

99 101

1/10/2020

1 REVISED REBAR CALLOUT TO

EPOXY COATED

KMW 1/10/191/10/20

DATEBYDESCRIPTIONNO.

EDUCATION LAW ARTICLE 145, SECTION 7209.

DRAWING IS A VIOLATION OF THE NEW YORK STATE

NOTE: UNAUTHORIZED ALTERATION OR ADDITION TO THIS

PROJECT NAME

CLIENT

DRAWING TITLE

OF

SHEET NO. DRAWING NO.

DATE

P.I.N. EAA PROJECT NO.

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EXISTING GRADE EL. 541.50

EL. 557.00

INV. EL. 547.75

SECTION A-A

SCALE: ‰" = 1'-0"

5'-0"

TS-2 FOR DETAILS

SEE DWG. NO.

NEW SIDEWALK

'SW' STATION LINE

3'-0"

1'-6"

B

X

L V

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IN

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'X

GRADE

FINISHED

TYPE I, WITH TOP RAIL, 4 FEET HIGH

ITEM 607.3001 - OPTIONAL CHAIN-LINK FENCE,

MIN.

N

HALF THICKNESS

(SEE NOTE 2)

STRUCTURES, CLASS HP

ITEM 555.09 - CONCRETE FOR

NEW HEADWALL

(SEE NOTE 1)

EXISTING HEADWALL TO REMAIN

ITEM 206.01

COST INCLUDED IN BID PRICE FOR

TO THE SATISFICATION OF THE ENGINEER.

EXISTING RAILING TO BE REMOVED

5'-4"�

A

A

EL. 541.50

INV. EL. 547.75

ELEVATION

EXISTING GRADE

SCALE: ‰" = 1'-0"

36'-0"

18'-0"

EL. 558.00

BOX CULVERTc

TYPE I, WITH TOP RAIL, 4 FEET HIGH

ITEM 607.3001 - OPTIONAL CHAIN-LINK FENCE,

(SEE NOTE 3)

BOX CULVERT

EXISTING 3'x2'

(SEE NOTE 2)

ITEM 555.09 - CONCRETE FOR STRUCTURES, CLASS HP

NEW HEADWALL

(TYP.)

APPROXIMATE EXISTING ROCK

(SEE NOTE 1)

EXISTING HEADWALL TO REMAIN

EL. 555.65

EL. 554.66

4'-…"

7'-8†"

0.8 0.5

6'-•"

AS NOTED

ST2-1

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SECTION

ELEVATION AND

HEADWALL 2

100 101

DIMENSIONS.

APPROXIMATE. THE CONTRACTOR SHALL VERIFY THE

4. THE DIMENSIONS OF EXISTING BOX CULVERT ARE

FOR ITEM 206.01.

AND ROCK SHALL BE INCLUDED IN THE UNIT PRICE BID

ENGINEER. PAYMENT FOR REMOVAL OF LOOSE MATERIAL

INSTALLED INTO SOUND ROCK, AS APPROVED BY THE

SHALL BE REMOVED TO ENSURE THE DOWELS ARE

EXISTING ROCK IS VARIABLE. LOOSE GROUND OR ROCK

3. THE CONTRACTOR IS ADVISED THAT THE CONTOUR OF THE

HEADWALL

IN FRONT OF, AND IN CONTACT WITH, THE EXISTING

CONTOUR OF THE EXISTING ROCK. IT SHALL BE DIRECTLY

2. THE NEW HEADWALL IS TO BE CONSTRUCTED TO FIT THE

1. EXTENTS OF EXISTING HEADWALL SHOWN IS APPROXIMATE.

DATEBYDESCRIPTIONNO.

EDUCATION LAW ARTICLE 145, SECTION 7209.

DRAWING IS A VIOLATION OF THE NEW YORK STATE

NOTE: UNAUTHORIZED ALTERATION OR ADDITION TO THIS

PROJECT NAME

CLIENT

DRAWING TITLE

OF

SHEET NO. DRAWING NO.

DATE

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EL. 541.50

SCALE: …" = 1'-0"

EL. 557.00

SECTION B-B

EXISTING ROCK (TYP.)

DRILL & GROUT INTO

1'-6" MIN.

FRONT FACE OF EXISTING WALL

12"

(TYP.)(TYP.)

(E

B A

X (E .F

#8(E) BARS @ 10" MAX.

#5(E) BARS @ 18" MAX.

#5(E) BARS @ 18" MAX.

PLACED AS SHOWN

(3)#5(E) BARS

#9(E) BARS @ 12" MAX.

12" MIN.

(E

B A

X (D

R I

O U

T

I N

T

I S

T I

W

L L

INV. EL. 547.75

SECTION C-C

'x

B

L V

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T

NOT TO SCALE

(TYP.) (TYP.)

12" 12" MIN.

ITEM 586.0201

EXISTING BOX CULVERT (TYP.)

DRILL & GROUT INTO

(T Y

P

H A

F

T H I C

K N

E S

S

HEADWALL

1'-6"

#5(E) BAR (TYP.)

B

EL. 541.50

INV. EL. 547.75

EXISTING GRADE

SCALE: ‰" = 1'-0"

EL. 557.00

WALL REINFORCEMENT ELEVATION

(FRONT TOE)

B

C

C

BOX CULVERTc

ITEM 586.0201

EXISTING ROCK (TYP.)

DRILL & GROUT INTO

(R.F.)

18"18"

(T Y

P

P

A

ITEM 586.0201

EXISTING CULVERT (TYP.)

DRILL & GROUT INTO

D

D

#5(E) BARS @ 18" MAX. (F.F.)

#8(E) BARS @ 10" MAX. (R.F.)

(E

B A

X (E .F

#9(E) BARS @ 12" MAX. (E.F.)

#9(E) BARS @ 12" MAX.

#9(E) BARS @ 12" MAX. (E.F.)#9(E) BARS @ 12" MAX.

DRILL & GROUT INTO EXISTING WALL

3'x3' GRID OF DOWELS (SEE SECTIONS B-B AND D-D)

DRILL & GROUT INTO EXISTING WALL

(SEE SECTIONS B-B AND D-D)

3'x3' GRID OF DOWELS

1' -6

(T

YP

EL. VARIES

SCALE: ‚" = 1'-0"

SECTION D-D

ITEM 586.0201

EXISTING ROCK (TYP.)

DRILL & GROUT INTO

EL. 557.00

1'-6" MIN.

#9(E) BARS @ 12" MAX.

#5(E) BARS @ 18" MAX.

#8(E) BARS @ 10" MAX.

(E

B A

X (E .F

12" MIN.12"

(TYP.)

(TYP.)

FRONT FACE OF EXISTING WALL

(DRILL & GROUT INTO EXISTING WALL)

#5(E) BARS @ 36" MAX.

AS NOTED

ST2-2

N

B A

R N

H A

R D

N

B A

R N

H A

R D

K

W O J

T K

O W

S K I

NOTES:

N

B A

R N

H A

R D

3. DRILLING AND GROUTING OF REINFORCEMENT TO BE PAID UNDER ITEM 586.0201.

2. COVER FOR STEEL REINFORCEMENT SHALL BE 2" UNLESS OTHERWISE NOTED.

UNDER ITEM 556.0202

1. ALL REINFORCING STEEL TO BE ASTM A615 GRADE 60 EPOXY COATED. PAID FOR

DETAILS

REINFORCING

HEADWALL 2

101 101

1/10/2020

1 ADDED 3'x3' GRID OF DOWELS KMW 1/10/191/10/20