Updated 05/24/2018

Printed 11/15/2019 Page 1 of 1 Project No. 45650-C

DESIGN & CONSTRUCTION GROUP

THE GOVERNOR NELSON A. ROCKEFELLER

EMPIRE STATE PLAZA

ALBANY, NY 12242

ADDENDUM NO. 3 TO PROJECT NO. 45650

CONSTRUCTION WORK

PROVIDE SANITARY AND STORM WATER IMPROVEMENTS

BUILDINGS 1 AND 4

KINGSBORO PSYCHIATRIC CENTER

681 CLARKSON AVENUE

BROOKLYN, NY

November 15, 2019

NOTE:This Addendum forms a part of the Contract Documents. Insert it in the Project Manual.

Acknowledge receipt of this Addendum in the space provided on the Bid Form.

DRAWINGS

1. Revised Drawings:

a. Drawings No. C-101, C-102, C-106, C-200 and C-504 noted “ADDENDUM #3 11/15/19”

accompanies this Addendum and supersedes the same numbered originally issued drawings.

END OF ADDENDUM

Erik T. Deyoe, P.E.

Director, Division of Design

Design & Construction

v

v

v

v

STRUCTURE RIM INVERT 1 INVERT 2 INVERT 3 INVERT 4 INVERT 5 INVERT 6 INVERT 71139 34.69 29.9 (8") 29.9 (8") 30.9 (4") N.P.V.1275 34.47 30.0 (8") 29.7 (8")1314 39.80 33.2 (18") 29.3 (10") 30.0 (10") 29.8 (10") 29.8 (10")1435 39.33 28.6 (10") 31.2 (15") 28.5 (15") 28.1 (24") 28.3 (12")1495 35.64 30.0 (12") 28.8 (8") 28.7 (10") 33.1 (4") 31.1 (16") 18.7 (18") 32.5 (8")1678 35.98 29.3 (8") 29.3 (8") 29.6 (8")1688 35.53 29.7 (8") 29.5 (8") 29.7 (8") 29.8 (8") 29.7 (8")1692 35.76 29.4 (8") 28.9 (8")1704 35.72 C.N.O.1731 35.87 30.0 (8") 30.0 (8") 31.1 (4")2367 38.28 28.2 24")2444 39.85 29.9 (10") 29.9(10")2578 39.64 30.5 (10")2625 37.23 31.3 (12") 31.3(12")3423 36.43 INACC. 34.8 (3") 30.0 (BTM)3432 36.15 29.9 (12") 30.4 (8") N.P.V.3745 36.09 C.N.O.3761 35.97 C.N.O.

MANHOLE IDENTIFIER

CHAIN LINK FENCE

HAND RAIL

CONCRETE WALL

CONCRETE

ENTRANCE ELEVATION

ENTRANCE POINT

UNKNOWN VALVE

WATER VALVE

FIRE HYDRANT

DRAIN INLET

EXISTING ROOF DRAIN TO GRADE

CATCH BASIN

SEWER MANHOLE

0.5'X0.5' POST

TREE

TREE DIAMETER

LEGEND

VENT PIPE

ELECTRIC MARK-OUT

SEWER MARK-OUT

BUILDING LINE

RIM ELEVATION

BOTTOM ELEVATION

TOP ELEVATION

ASPHALT

COULD NOT OPEN

PAVEMENT

STEAM MARK-OUT

NO PIPE VISIBLE

WATER MARK-OUT

GAS MARK-OUT

BOTTOM

EXISTING ROOF DRAIN TO UNDERGROUND DISCHARGE

LEGEND

LIMITS OF WORK AREA FOR DRAINAGE REMOVAL AND

RECONSTRUCTION, SIDEWALK TO BE REMOVED AND REPLACED

SEWER PIPE TO BE REHABILITATED (SEE SHEET C-200)

COURTYARDS TO BE REMOVED AND REPLACED (SEE SHEET C-103)

SANITARY SEWER WORK

CONTRACT LIMIT LINE/GRADING LIMIT LINE

45650

DESIGN & CONSTRUCTION

WOODARDCURRAN

v

v

v

v

= 7,543 S.F. X 3" X 100% = 1,886 C.F.

AREA "A":

IMPERVIOUS = AREA X 3 IN RUN-OFF X 100%

DRAINAGE CALCULATIONS

= 3,200 S.F. X 3" X 30% = 240 C.F.

PERVIOUS = AREA X 3 IN RUN-OFF X 30%

TOTAL STORAGE REQUIRED = 2,126 C.F.

= 9,161 S.F. X 3" X 100% = 2,290 C.F.

AREA "B":

IMPERVIOUS = AREA X 3 IN RUN-OFF X 100%

= 2,030 S.F. X 3" X 30% = 152 C.F.

PERVIOUS = AREA X 3 IN RUN-OFF X 30%

TOTAL STORAGE REQUIRED = 2,442 C.F.

= 3,215 S.F. X 3" X 100% = 804 C.F.

AREA "C":

IMPERVIOUS = AREA X 3 IN RUN-OFF X 100%

TOTAL STORAGE REQUIRED = 804 C.F.

= 3,215 S.F. X 3" X 100% = 804 C.F.

AREA "D":

IMPERVIOUS = AREA X 3 IN RUN-OFF X 100%

TOTAL STORAGE REQUIRED = 804 C.F.

= 2,877 S.F. X 3" X 100% = 719 C.F.

AREA "E":

IMPERVIOUS = AREA X 3 IN RUN-OFF X 100%

= 600 S.F. X 3" X 30% = 45 C.F.

PERVIOUS = AREA X 3 IN RUN-OFF X 30%

TOTAL STORAGE REQUIRED = 764 C.F.

MANHOLE IDENTIFIER

CHAIN LINK FENCE

HAND RAIL

CONCRETE WALL

CONCRETE

ENTRANCE ELEVATION

ENTRANCE POINT

UNKNOWN VALVE

WATER VALVE

FIRE HYDRANT

DRAIN INLET

EXISTING ROOF DRAIN TO GRADE

CATCH BASIN

SEWER MANHOLE

0.5'X0.5' POST

TREE

TREE DIAMETER

LEGEND

VENT PIPE

ELECTRIC MARK-OUT

SEWER MARK-OUT

BUILDING LINE

RIM ELEVATION

BOTTOM ELEVATION

TOP ELEVATION

ASPHALT

COULD NOT OPEN

4" DIA. HDPE CORRUGATED PIPE DRAIN

STEAM MARK-OUT

NO PIPE VISIBLE

WATER MARK-OUT

GAS MARK-OUT

BOTTOM

8" DIA. HDPE CORRUGATED PIPE DRAIN

10" DIA. HDPE CORRUGATED PIPE DRAIN

CLEANOUT

6" DIA. HDPE CORRUGATED PIPE DRAIN

CULTEC RECHARGER

330XLHD STORMWATER DRAINAGE

AREA "A"

AREA "B"

AREA "C"

AREA "D"

AREA "E"

PAVEMENT

TOTAL STORAGE REQUIRED 2,442 C.F.

TOTAL STORAGE PROVIDED 2,882 C.F.

TOTAL STORAGE REQUIRED 2,126 C.F.

TOTAL STORAGE PROVIDED 2,882 C.F.

TOTAL STORAGE REQUIRED 804 C.F.

TOTAL STORAGE PROVIDED 1,401 C.F.

TOTAL STORAGE REQUIRED 804 C.F.

TOTAL STORAGE PROVIDED 1,485 C.F.

TOTAL STORAGE REQUIRED 764 C.F.

TOTAL STORAGE PROVIDED 1,023 C.F.

DRAINAGE AREA LIMITS

COURTYARD A

COURTYARD B

LOCATION

DRAINAGE STRUCTURE TABLE

STRUCTURE RIM ELEVATION INVERTS COVER TYPE

COURTYARD "A" M-1 MANHOLE 34.75 1. 29.80

2. 29.80

3. 29.80

4. 29.65

OPEN GRATE H-20 LOAD

COURTYARD "A" C-1 CATCH BASIN 34.80 OPEN GRATE H-20 LOAD29.85

COURTYARD "B" M-2 MANHOLE 34.50 OPEN GRATE H-20 LOAD1. 29.90

2. 29.90

3. 29.70

DRAINAGE AREA

(S/W/C) "C"

M-3 MANHOLE 39.48 N/A1. 35.10

2. 35.10

3. 34.90

DRAINAGE AREA

(S/W/C) "D"

M-4 MANHOLE 39.62 N/A1. 35.35

2. 35.35

3. 35.35

4. 35.20

DRAINAGE AREA

(S/W/C) "E"

M-5 MANHOLE 35.50 1. 30.00

2. 30.00

3. 30.00

4. 29.85

SOLID GRATE H-20 LOAD

C-2 CATCH BASIN 34.90 OPEN GRATE H-20 LOAD30.80DRAINAGE AREA

(S/W/C) "E"

CATCH BASIN

EXISTING ROOF DRAIN TO UNDERGROUND DISCHARGE

STRUCTURE RIM INVERT 1 INVERT 2 INVERT 3 INVERT 4 INVERT 5 INVERT 6 INVERT 71139 34.69 29.9 (8") 29.9 (8") 30.9 (4") N.P.V.1275 34.47 30.0 (8") 29.7 (8")1314 39.80 33.2 (18") 29.3 (10") 30.0 (10") 29.8 (10") 29.8 (10")1435 39.33 28.6 (10") 31.2 (15") 28.5 (15") 28.1 (24") 28.3 (12")1495 35.64 30.0 (12") 28.8 (8") 28.7 (10") 33.1 (4") 31.1 (16") 18.7 (18") 32.5 (8")1678 35.98 29.3 (8") 29.3 (8") 29.6 (8")1688 35.53 29.7 (8") 29.5 (8") 29.7 (8") 29.8 (8") 29.7 (8")1692 35.76 29.4 (8") 28.9 (8")1704 35.72 C.N.O.1731 35.87 30.0 (8") 30.0 (8") 31.1 (4")2367 38.28 28.2 24")2444 39.85 29.9 (10") 29.9(10")2578 39.64 30.5 (10")2625 37.23 31.3 (12") 31.3(12")3423 36.43 INACC. 34.8 (3") 30.0 (BTM)3432 36.15 29.9 (12") 30.4 (8") N.P.V.3745 36.09 C.N.O.3761 35.97 C.N.O.

LEGEND (EXISTING STRUCTURE)

DRAINAGE AREA

(S/W/C) "E"

M-6 MANHOLE 35.70 1. 30.50

2. 30.65

SOLID GRATE H-20 LOAD

PIPE CAP

CONTRACT LIMIT LINE/GRADING LIMIT LINE

45650

DESIGN & CONSTRUCTION

WOODARDCURRAN

MANHOLE IDENTIFIER

CHAIN LINK FENCE

HAND RAIL

CONCRETE WALL

CONCRETE

ENTRANCE ELEVATION

ENTRANCE POINT

UNKNOWN VALVE

WATER VALVE

FIRE HYDRANT

DRAIN INLET

EXISTING ROOF DRAIN TO GRADE

CATCH BASIN

SEWER MANHOLE

TREE

TREE DIAMETER

LEGEND

V

VENT PIPE

ELECTRIC MARK-OUT

SEWER MARK-OUT

BUILDING LINE

RIM ELEVATION

BOTTOM ELEVATION

TOP ELEVATION

ASPHALT

COULD NOT OPEN

4" DIA. HDPE CORRUGATED PIPE DRAIN

NO PIPE VISIBLE

GAS MARK-OUT

BOTTOM

8" DIA. HDPE CORRUGATED PIPE DRAIN

10" DIA. HDPE CORRUGATED PIPE DRAIN

CLEANOUT

6" DIA. HDPE CORRUGATED PIPE DRAIN

PAVEMENT

CATCH BASIN

EXISTING ROOF DRAIN TO UNDERGROUND DISCHARGE

LIMITS OF WORK AREA (ALL WORK WITHIN THE AREA TO

BE RECONSTRUCTED TO THE SPECIFICATIONS OF OGS.

MATCH EXISTING GRADES

EXISTING ELEVATIONS

NEW TOP OF CURB ELEVATIONS

NEW BOTTOM OF CURB ELEVATIONS

FLOW ARROW

PIPE CAP

VV

45650

DESIGN & CONSTRUCTION

WOODARDCURRAN

45650 - C

DESIGN & CONSTRUCTION

WOODARDCURRAN

N

45650 - C

DESIGN & CONSTRUCTION

WOODARDCURRAN