ADDENDUM NO. 3 TO CONTRACT DOCUMENTS

GHD

Project Equalization Basin No 3 and 4

Owner Town of Wareham, MA

Contract No. 2020-001

To All Contractors:

ADDENDUM NO. 3

TO CONTRACT DOCUMENTS

Project No. 11206142

Federal Project No.

Date August 18, 2020

Contractors submitting proposals for the above-named project shall take note of the following changes,

additions, deletions, clarifications, etc., in the Contract Documents, which shall become a part of and have

precedence over anything contrarily shown or described in the Contract Documents, and all such shall be

taken into consideration and be included in the Contractor's bid proposal.

Please see attached pages.

The return receipt requested with this communication is to be deemed evidence that the bidder has received

this addendum and has followed the instructions outlined therein.

1545 lyannough Road Hyannis Massachuaetta 02801 USA Tn-44701630 F774 470 1631 W www.ghd.com

ADDENDUM NO. 3 EQUALIZATION BASIN NO 3 AND 4

CONTRACT 2020-001/PROJECT #11206142 AUGUST 18, 2020

\\ghdnet\ghd\US\Hyannis\Projects\564\11206142\Workshare\11206142-ADD3\FINAL ADD3\11206142-ADD-Addendum 3.docx 2

ITEM NO. 1.

A. DELETE the first paragraph in its entirety and REPLACE with the following paragraph:

“Sealed Bids for General Contractors for the construction of the Equalization Basin No. 3 and 4 for the

Town of Wareham, MA will be received by the Wareham Water Pollution Control Facility, 6 Tony’s

Lane, Wareham, Massachusetts, Attn: Guy Campinha, Director of Water Pollution Control until 2:00

p.m. local time on Tuesday, August 25th, 2020 and at that place and time will be publicly opened and

read aloud.

ITEM NO. 2.

Drawing 112-06142-G001 – VICINITY AND LOCATION MAPS AND DRAWING LIST

A. In the drawing list DELETE “C006 SITE SECTIONS” and REPLACE with “C006 SITE SECTIONS

AND PIPE PROFILES”

ITEM NO. 3.

Drawing 112-06142-G002 – ABBREVIATIONS, LEGENDS AND SYMBOLS

A. Under Legend, ADD the following entry:

Guiderail

B. Under Legend, ADD the following entry:

Guardrail

C. Under General Notes DELETE NOTE 3 in its entirety and REPLACE with “ALL EXISTING FACILITY

LOCATIONS AND ELEVATIONS SHOULD BE CONSIDERED APPROXIMATE AND ARE IN NEED

OF FIELD VERIFICATIONS FOR ELEVATION AND LOCATION. CONTRACTOR SHALL PERFORM

TEST PITS TO LOCATE EXISTING BURIED UTILITIES AT LOCATIONS CALLED OUT ON SITE

PLANS AND AT ANY OTHER LOCATIONS WHERE EXISTING FACILITIES AND NEW FACILITIES

CROSS EACH OTHER OR ARE WITHIN 2 FEET OF EACH OTHER PRIOR TO PURCHASING

MATERIALS.”

ITEM NO. 4.

Drawing 112-06142-G004 – HYDRAULIC PROFILES I AND II

A. In HYDRAULIC PROFILE – I (SECONDARY CLARIFIER TO EQUALIZATION BASINS 3 AND 4) DELETE the ‘12” DI’ pipe between Equalization Basin No 3 and Equalization Basin No 4 and

REPLACE with ‘20” DI’ pipe.

B. In HYDRAULIC PROFILE – II (EXISTING EQUALIZATION BASINS 1 AND 2 TO PROPOSED

EQUALIZATION BASIN S 3 AND 4) DELETE the “12” DI” pipe between Equalization Basin No 3 and

Equalization Basin No 4 and REPLACE with “20” DI” pipe.




C. DELETE table titled “LIST OF PIPING DESIGNATIONS” and REPLACE with:

LIST OF PIPING DESIGNATIONS

PIPE DESIGNATION PIPE DESCRIPTION

EQI EQUALIZATION BASIN INFLUENT

EQE EQUALIZATION BASIN EFFLUENT

EQO EQUALIZATION BASIN OVERFLOW

SCE SECONDARY CLARIFIER EFFLUENT

DFI DENITRIFICATION FILTER INFLUENT

EFW EFFLUENT FLUSHING WATER

D, DRN DRAIN

S SANITARY SEWER

G NATURAL GAS

FSE FINAL SETTLING TANK EFFLUENT

FIL VACUUM FILTER FILTRATE

ITEM NO. 5.

Drawing 112-06142-G005 – HYDRAULIC PROFILE III

A. DELETE table titled “VALVE DESIGNATION TABLE” in its entirety.

B. DELETE table titled “LIST OF PIPING DESIGNATIONS” and REPLACE with:









D, DRN DRAIN

S SANITARY SEWER

G NATURAL GAS






ITEM NO. 6.

Drawing 112-06142-C002 - SITE PLAN - PROPOSED

A. ADD Figure 1, “ADD3.C002.01”.

B. Under Legend, ADD the following entry:

Guiderail

C. Under Legend, ADD the following entry:

Guardrail

ITEM NO. 7.

Drawing 112-06142-C003 – LAYOUT PLAN


B. ADD Figure 3, “ADD3.C003.02”.

C. ADD two bollards, one centered on either side of the ends of the walking path between Equalization

Basin No 3 and Equalization Basin No 4 per Figure ADD3.C003.02.

D. ADD Note “ROAD B SHALL BE GRAVEL, NEW PORTION OF ROAD A SHALL BE GRAVEL,

DISTURBED AREAS OF EXISTING PAVED ROAD A AND ROAD C SHALL BE RETURNED TO

PREVIOUS CONDITION AND PAVED.”

ITEM NO. 8.

Drawing 112-06142-C004 – GRADING PLAN



C. ADD two bollards, one centered on either side of the ends of the walking path between Equalization

Basin No 3 and Equalization Basin No 4 per Figure ADD3.C004.01.

D. DELETE “TIMBER GUIDERAIL (TYP)” and REPLACE with “WOOD GUIDERAIL (TYP)”

E. DELETE “TOE OF SLOPE EL. 24.0” and REPLACE with “TOP OF SLOPE EL. 24.0”

ITEM NO. 9.

Drawing 112-06142-C005 – YARD PIPING PLAN



C. ADD Figure 8, “ADD3.C005.03”.

D. DELETE callout pointing to 20” DI, SCE “PIPE ALIGNMENT PROFILE ‘E’” and REPLACE with

“PIPE ALIGNMENT PROFILE ‘F’”




E. DELETE table “LIST OF PIPING DESIGNATIONS” and REPLACE with:









D, DRN DRAIN

S SANITARY SEWER

G NATURAL GAS



ITEM NO. 10.

Drawing 112-06142-C006 – SITE SECTIONS

A. DELETE title “SITE SECTIONS” and REPLACE with “SITE SECTIONS AND PIPE PROFILES”

B. ADD Figure No. 9, “ADD3.C006.01.”

C. ADD Figure No. 11, “ADD3.C006.02.”

D. ADD Figure No. 12, “ADD3.C006.03.”

E. ADD Figure No. 13, “ADD3.C006.04.”

F. ADD Figure No. 14, “ADD3.C006.05.”

G. ADD Figure No. 15, “ADD3.C006.06.”

H. ADD Figure No. 16, “ADD3.C006.07.”

ITEM NO. 11.

Drawing 112-06142-C007 – DISTRIBUTION BOXES 1 AND 2 AND EQUALIZATION SUMP PLANS AND

SECTIONS

A. DISTRIBUTION BOX NO. 1 PLAN:

i. DELETE the callout ‘GUIDERAIL REQUIRED WHEREVER DISTANCE TO GRADE IS

GREATER THAN OR EQUAL TO 18”’.

ii. DELETE all guardrail shown.

iii. DELETE 12’ dimension referring to internal length of box REPLACE with 13’ dimension.




B. DISTRIBUTION BOX NO. 2 PLAN:

i. ADD Figure No.10, “ADD3.C007.01”.

ii. ADD note ‘NOTE: GUARDRAIL REQUIRED WHEREVER DISTANCE TO GRADE IS GREATER

THAN OR EQUAL TO 18”’.

C. DISTRIBUTION BOX NO. 2 SECTION ADD note “NOTE: GUARDRAIL NOT SHOWN FOR CLARITY”

D. EQUALIZATION SUMP – PLAN DELETE callout “TO PUMP TRUCK OR TRAILER MOUNTED

PUMP” and REPLACE with “TO SUMP CLEANOUT PUMP CONNECTION DETAIL 1 ON D004”

E. ADD note “SEE SECTION 11291 SLIDE GATES FOR SLIDE GATE SIZING AND INFORMATION”

ITEM NO. 12.

Drawing 112-06142-D001 – MISCELLANEOUS DETAILS – I

A. TYPICAL BERM VENT: DELETE “GSE HDPE GEOMEMBRANE FLAP” and REPLACE with “HDPE

GEOMEMBRANE FLAP”

B. TYPICAL BERM VENT: DELETE “GSE HDPE GEOMEMBRANE” and REPLACE with “HDPE

GEOMEMBRANE”

C. WATER CANNON DETAIL: ADD the following:

“NOTES:

1. SHALL BE DIXON, AKRON BRASS COMPANY, ELKHART BRASS, OR EQUAL.

2. NOZZLE OPENNING SHALL BE 2½ INCH DIAMETER WITH ADDITIONAL ATTACHABLE

NOZZLE FROM 2½ INCH TO 1½ INCH.

3. HORIZONTAL TRAVEL SHALL BE 360 DEGREES VERTICAL TRAVEL SHALL BE A

MINIMUM OF 120 DEGREES, 60 DEGREES BELOW HORIZONTAL AND 60 DEGREES

ABOVE HORIZONTAL.

4. WATER CANNON SHALL BE RATED TO HANDLE 150 PSI PRESSURE.”

ITEM NO. 13.

Drawing 112-06142-D003 – MISCELLANEOUS DETAILS – III

A. DELETE STAIR FRAMING NOTES.

B. EXTERIOR CONCRETE STAIR DETAIL ADD note: “CONCRETE SHALL BE MIX E”

ITEM NO. 14.

Drawing 112-06142-D004 – MISCELLANEOUS DETAILS – IV

A. TYPICAL TRENCH DETAIL DELETE “PROCESSED SAND ENVELOPE” and REPLACE with

“TYPE C-1 SAND ENVELOPE”

B. TYPICAL TRENCH DETAIL DELETE ‘WARNING TAPE “WATER”’ and REPLACE with “WARNING

TAPE”




C. SUMP CLEANOUT PUMP CONNECTION DETAIL DELETE callout ‘6” DI PIPE’ and REPLACE with

‘8” DI PIPE’

D. SUMP CLEANOUT PUMP CONNECTION DETAIL DELETE callout ‘6” DI 90° BEND’ and

REPLACE with ‘8” DI 90° BEND’

ITEM NO. 15.

Table of Contents

A. ADD “DIVISION 10 SPECIALTIES

10441 SIGNS”

ITEM NO. 16.

Section 01540 Temporary Pumping

A. Delete section 1.02 General Part B. in its entirety Replace with:

“Contractor shall provide temporary pumping as needed, including the following use:

1. From the three secondary clarifier troughs to denitrification filters influent channel. Pumps shall be capable of pumping flows to match the treatment system flows (2019 average flows were 1.18 mgd, design secondary peak is 2.0 mgd).”

ITEM NO. 17.

Section 02222 Excavating

A. For Section 0222 Excavating Part 1 3.04 DISPOSAL OF MATERIAL B. ADD “Surplus excavated

material shall be disposed of in the depression 200 feet west of Equalization Basin 1. Owner shall

designate a Limit of Work for Contractor access.”

ITEM NO. 18.

Section 10441

A. ADD SECTION 10441 SIGNS




ITEM NO. 19.

Section 11291 SLIDE GATES

A. DELETE TABLE 1 and REPLACE with table below:

GATE NO.

LOCATION

SIZE OF OPENING

(w x h) (in)

SLIDE HEIGHT

(in)

SLIDE WIDTH

(in)

MOUN-TING TYPE

SELF-CONTAINED

GATE MATERIAL

OPERA-TOR

BOTTOM OF GATE ELEVATION1

NOTES FULLY

RAISED

FULLY LOWER-

ED

DB1-SG-01

Distribution Box 1

20 DIA 24 24 B No Aluminum Manual,

hand crank 18.8 16.8

1, 2, 4, 5, 6

DB1-SG-02

Distribution Box 1

36 x 36 36 36 B No Aluminum Manual,


1, 2, 4, 5, 6

DB1-SG-03

Distribution Box 1



1, 2, 4, 5, 6

DB1-SG-04

Distribution Box 1



1, 2, 4, 5, 6

DB1-WG-01

Distribution Box 1

72 x 72 72 72 D Yes Aluminum Manual,

hand crank 21 16

1, 2, 3, 4, 6

DB2-SG-01

Distribution Box 2



1, 2, 4, 5, 6

DB2-SG-02

Distribution Box 2



1, 2, 4, 5, 6

DB2-SG-03

Distribution Box 2



1, 2, 4, 5, 6

DB2-SG-04

Distribution Box 2



1, 2, 4, 5, 6

DB2-SG-05

Distribution Box 2

24 x 24 24 24 B No Aluminum Manual,


1, 2, 4, 5, 6

DB2-WG-01

Distribution Box 2


hand crank 22 17

1, 2, 3, 4, 6

DB2-WG-02

Distribution Box 2


hand crank 22 17

1, 2, 3, 4, 6

(1) All elevations listed are relative to the NAVD 88 datum. Contractor shall field verify all elevations. (2) Contractor is to field-verify all widths, depths, openings, and conditions for new gate. (3) Provide flush side and invert seal. (4) Bottom elevation of gate to match grouted floor. (5) Provide flush side and invert seal. Provide top seal. (6) All gate operators shall have a side accessible hand crank, no gate shall have a top operated hand wheel.

Attachments

DISTRIBUTIONBOX NO.2

20" DI OVERFLOWPIPE FOR BASIN NO.1

20" DI OVERFLOWPIPE FOR BASIN NO.2

SITE STAIRS (TYP) 20" DI EQ

CUT & CONNECT TOEXISTING 20" DI FSEPIPE AS REQUIRED

LIMIT OF EXISTING LINERREPLACEMENT (TYP)

TEST PIT (TYP)

GUARDRAIL(TYP) 3'-0" OPENING IN

WOOD GUIDERAIL

WOODGUIDERAIL (TYP)

FIGURE 1ADDENDUM NO 3

ADD3.C002.01

DateReport No.Project No.

Filename: C:\Users\jdfosdick\Documents\CLIENTS GHD\WAREHAM\ADDENDUMS\ADD3-C002-01-FIG1.dwgPlot Date: 17 August 2020 - 7:13 AM

TOWN OF WAREHAM, MASSACHUSETTSEQUALIZATION BASIN NO 3 AND 4

11206142

8/07/2020

Source:

3 ADDENDUM NO 3

3 3

3

14'

129.5' 129.5'

66.97' 66.97' 62.53'

10' 10'

NPROJECTNORTH

ROAD

C 14'

CP-3

CP-4 12.33'

6.25'

19.5'

DISTRIBUTION BOX NO.2

WOODGUIDERAIL (TYP)


ADD3.C003.01




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Source:

3 ADDENDUM NO 3

3

3

3

GUARDRAIL(TYP)

3'-0" OPENING INWOOD GUIDERAIL

14'

9.69'

16'

129.5' 129.5'

62.53' 66.97' 66.97'

17.92'

62.53'

10' 10'

EQUALIZATIONBASIN NO.3

BASIN NO.4 SUMP

BASIN NO.3 SUMP

ROAD A

ROAD

C

ROAD

B


14'

34.61

'

CP-9CP-10

CP-11

CP-12

CP-6 CP-5

14'

N

PROJECTNORTH

3 ADDENDUM NO 3Date

Report No.Project No.


TOWN OF WAREHAM, MASSACHUSETTSEQUALIZATION BASINS NO 3 & 4

112-06142

8/07/2020

Source:


ADD3.C003.02

GUARDRAIL (TYP)

EXTERIOREQUIPMENT PAD

(TYP)

EXTERIOR CONCRETESTAIR (TYP)

BOLLARD (TYP) ATEACH END

WOODGUIDERAIL(TYP)

3

3 3

3

3




11206142

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Source:

N

PROJECTNORTH

EQUIPMENTPADS (TYP)

ROAD A

ROAD

C

5

D005

2

D002BOLLARD(TYP)

SITE STAIRS (SEEDETAIL 1 ON SHEET

112-06142-D003)

1

D003

DISTRIBUTION BOX NO.2 3'-0"MIN GUARDRAILPERSONNEL OPENING

WOODGUIDERAIL (TYP)


ADD3.C004.01

3 ADDENDUM NO 2

3

3

GUARDRAIL(TYP)

3

2+00 3+00 4+00 5+00 6+00 6+27

2+00

3+00

4+00

5+00

14' 10'7'

0+00 1+00 2+00 3+000+00 1+00 1+97

0+00

1+00

2+00

3+004+004+68

BC: 1+99.60

MID: 2+20.80

EC: 2

+42.0

1

1+00

1+26

2221

24

24

24242424

24 24 24 24

2424

24 24

x x

2424

242424

242424

22

2020

2020

20

15

2424

24

24 24

20

15

10

20

15

24

20 16

11

2016

11

24

24

20

16

11

20

16

11

24

20

16

24

20

16

1620 2016

N

PROJECTNORTH

N

PROJECTNORTH

EQUIPMENTPADS (TYP)

6D002

BREAK IN SLOPE SLOPE EL 16.0

ROAD A ROAD A

ROAD B

ROAD

C

ROAD

B

14-FT WIDE GRAVELRECHARGE BED ACCESS ROAD

TOP OF SLOPE EL 24.0ALL AROUND EACH BASIN

14

14-FT WIDE GRAVELACCESS ROAD

7

D002

2D002

5D005

2

D002BOLLARD(TYP)

BASIN NO.4 SUMP (SEEPLANS AND SECTION ONSHEET 112-06142-C007)


SITE STAIRS (SEEDETAIL 1 ON SHEET

112-06142-D003)

1D003

AC006

BC006

CC006

DC006

AC006

BC006

WATER CANNON (SEEDETAIL 7 ON DRAWING

112-06142-D001)

7

D001

BURIED LINER EDGE1

D001

3'-0" WIDE GRAVELWALKING PATH

6

D001

WOODGUIDERAIL(TYP)

3

D003



PAVED ACCESS ROADWIDTH VARIED SEE DETAIL

3'-0"MIN GUARDRAILPERSONNEL OPENING

FIGURE 5SUPPLEMENTAL GRADING

ADDENDUM NO.3ADD3.C004.02


Filename: C:\Users\jdfosdick\Documents\CLIENTS GHD\WAREHAM\ADDENDUMS\ADD3-C004-02-GRADING PLAN-FIG5.dwgPlot Date: 17 August 2020 - 7:12 AM

TOWN OF WAREHAM, MASSACHUSETTSEQUALIZATION BASINS NO.3 & NO. 4

112-06142

8/07/2020

Source:

REMOVE AND REPAIREXISTING PAVEMENT

TOP OF 2:1 SLOPE EL 23.35TOE OF 2:1 SLOPE

MEET EXISTING GRADE

TOP OF 2:1 SLOPE EL 23.35

GROUND GRADE ATWOOD GUIDERAIL EL 24.0

TOE OF 2:1 SLOPEMEET EXISTING GRADE (TYP)

TOP OF 2:1 SLOPE EL 23.35


TOE OF 2:1 SLOPE,MEET EXISTING GRADE

TOE OF 2:1 SLOPEMEET EXISTING GRADE

TOE OF 2:1 SLOPEMEET EXISTING GRADE


CENTERLINE OF ROAD EL24.25 SLOPE 1/4" / FT TOEACH EDGE (STA 0+00 TOSTA 1+26 ROAD C)

CENTERLINE OF ROAD EL24.25 SLOPE 1/4" / FT TOEACH EDGE (ROAD AFROM ROAD C TO END)

CROSS SLOPE ROAD1/4" / FT (ROAD A FROMSTA 0+00 TO STA 1+97)

CROSS SLOPE ROAD1/4" / FT (ENTIRELENGTH OF ROAD B)




CENTERLINE WALKINGBERM EL 24.125 ALONGENTIRE LENGTH

CROSS SLOPE ROAD 1/4" / FTACROSS ENTIRE WIDTHCROWN SLOPE ROAD 1/4" / FTFROM CENTERLINE TO EACH EDGE

LEGEND

TOE OF SLOPE / MEETEXISTING GRADE

NOTES:1. ADJUST GRADE AT END OF ROAD A TO MATCH

EXISTING GRADE.

2. ADJUST GRADE AT BEGINNING OF ROAD C TO MATCHEXISTING GRADE.

3. ADJUST GRADE PAVEMENT REMOVAL ANDREPLACEMENT TO MATCH EXISTING GRADE.

4. THIS FIGURE IS INTENDED TO PROVIDESUPPLEMENTAL GRADING INFORMATION ONLY FORSHEET 112-06142-C004.

5. FOR CLARITY ALL GRADING UNDER ADDENDUM MNO. 3 IS NOT SHOWN CLOUDED. ALL GRADING ONTHE OUTER SIDE OF THE TOP OF SLOPE OF EACHBASIN IS INCLUDED IN ADDENDUM NO.3.

6. ROADS 'A' AND 'C' ARE TO BE PAVED IN THEIRENTIRETY. ROAD 'B' IS TO BE PAVED FROM STA 0+00TO 0+30 AND GRAVEL FROM STA 0+30 TO ITS END ATSTA 4+68.

CENTERLINE OF WALKING BERM EL 24.10

3 ADDENDUM NO 3

3

3

3

3

3

3

3

3

3

3

3

3

3

333

3

333

3

3

3

3

3

3

3

3

N

PROJECTNORTH

EQUALIZATIONBASIN NO.3 EQUALIZATION

BASIN NO.4

6" - 90° DI TEE

LINER PENETRATION (TYP)3

D001

3'-0" WIDE GRAVELWALKING PATH

6D001

FIGURE 6ADDENDUM NO.3

ADD3.C005.01




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Source:

6" GATE VALVE

6" DI EFW

6" X 6" DI TEE

3 ADDENDUM NO 3

3

3

3

3

ROAD A

ROAD

C

6" GATEVALVE (TYP)

20" DI - 45°BEND (TYP)

8" DI, EFW

20" DI, EQI

6" X 6" DI TEE

20" DI, EQE

DISTRIBUTION BOX #2

12" DI, EQIBYPASS PIPE

20" DI, EQE

6" X 6" TAPPINGSLEEVE AND VALVE

20" DI, SCE

PIPE ALIGNMENT PROFILE 'A'

PIPE ALIGNMENT PROFILE 'B'




112-06142

8/07/2020

Source:

8" X 8" DI TEE

8" X 6" DI REDUCER(TYP)

CUT AND CONNECTWITH 6" DI SOLIDSLEEVE (TYP)

CUT AND CONNECTWITH 6" DI SOLIDSLEEVE (TYP)

8" X 6" DI REDUCER(TYP)

8" GATE VALVE


ADD3.C005.02

3

3

3

3

3

3

3

3

3 ADDENDUM NO 3

N

PROJECTNORTH

PUMP CONNECTION(TYP)



20" DI EQI

ROAD ARO

AD C

ROAD

B6" DI, EFW

20" DI, EQI(TYP)

18" DI - 45° BEND (TYP)

8" DI, EFW

20" DI, EQI

DC006

20" DI, EQI

6" DI TEE

20" DI, DFITO FILTER BLDG

CUT AND CONNECT TO EXISTINGWITH COUPLING AS REQUIRED (SEESEQUENCE OF CONSTRUCTIONPRIOR TO CUTTING EXISTING PIPE)

20" DI, EQI

20" DI, EQI

7

D001

20" DI, EQI

4

D004

6" DI - 45° BEND (TYP)

BURIED LINER EDGE1

D001

WOOD GUIDERAIL(TYP)

3

D003

PIPE ALIGNMENT PROFILE 'B'

PIPE ALIGNMENT PROFILE 'E'

PIPE ALIGNMENT PROFILE 'C'

PIPE ALIGNMENT PROFILE 'D'

4 ADDENDUM NO 4Date

Report No.Project No.



112-06142

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Source:


ADD3.C005.036" DI, EFW 3

3

33

33

3

3

333

SECTIONAC006 SCALE :1"=10'

TOP OFBERM EL. 24.0

6" DI EFW

6" DI EFW / DRN

30

20




112-06142

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Source:


ADD3.C006.01

3 ADDENDUM NO 3

GUARDRAIL

WOOD GUIDERAIL

3

3

3

3

FROM EXISTINGEQ BASIN 2

13'

10'

FROM EXISTINGEQ BASIN 1

TO PROPOSEDEQ BASIN 3

TO PROPOSEDEQ BASIN 4

20" DI EQI 20" DI EQE

1'-2"1' 1'-2" 1'

1'-2"

1'1'-

2"1'

4'-6"

4'-6"

2'-2"

2'-2"

1'

2'-2"2'-2"

6' 1' 6'

12" DI EQB

12" DI EQB

DB2-SG-02

DB2-SG-02

DB2-SG-04

DB2-SG-05DB2-WG-01

DB2-WG-02

DB2-SG-03

N PROJ

ECT

NORT

H

BC007

BC007


ADD3.C007.01




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Source:

3 ADDENDUM NO 3

GUARDRAIL 3

DISTRIBUTION BOX NO.2 PLANSCALE: 1/4" = 1'-0"

0 8'4'2'

3

ELEV

ATIO

N

ELEV

ATIO

N

8

10

20

30

8

10

20

30-0+50 0+00 1+00 2+00 3+00

-0+50 0+00 0+50 1+00 1+50 2+00 2+50 3+00

PROFILE A20 INCH DI EQUALIZATION BASIN EFFLUENT AND

EQUALIZATION BASIN INFLUENT FROM EQUALIZATIONBASIN NO.2 TO EQUALIZATION BASIN NO.3

SCALE: HOR 1" = 20' | VERT 1" = 5'


6" DI EFW

20" DI EQI

INV EL 16.96

12" DI BYPASS

20" DI EQE

20" DI EQEINV EL 16.5


20" D

I 45°

BEN

D20

" DI 4

5° B

END

20" D

I 45°

BEN

D

20" D

I 45°

BEN

D

20" D

I 45°

BEN

D

20" D

I 45°

BEN

D




Filename: C:\Users\jdfosdick\Documents\CLIENTS GHD\WAREHAM\ADDENDUMS\ADD3-C005-A-F PROFILES.dwgPlot Date: 17 August 2020 - 6:36 AM

TOWN OF WAREHAM, MASSACHUSETTSEQUALIZATION BASIN NO.3 & NO.4

112-06142

8/07/2020

Source:

FIGURE 11PIPE ALIGNMENT PROFILE 'A'


ELEV

ATIO

N

ELEV

ATIO

N

8

10

20

30

8

10

20

30-0+50 0+00 1+00 2+00 3+00 4+00

-0+50 0+00 0+50 1+00 1+50 2+00 2+50 3+00 3+50 4+00

20" D

I 45°

BEN

D20

" DI 4

5° B

END

20" D

I 45°

BEN

D

20" D

I 45°

BEN

D

20" D

I 45°

BEN

D





6" DI EFW

20" DI EQI

12" DI BYPASS20" DI EQE


20" DI EQIINV EL 12.0

20" DI EQI

20" D

I 45°

BEN

D

PROFILE B20 INCH DI EQUALIZATION BASIN EFFLUENT AND

EQUALIZATION BASIN INFLUENT FROM EQUALIZATIONBASIN NO.1 TO EQUALIZATION BASIN NO.4

SCALE: HOR 1" = 20' | VERT 1" = 5'




112-06142

8/07/2020

Source:

FIGURE 12PIPE ALIGNMENT PROFILE 'B'


ELEV

ATIO

N

8

10

20

30-0+50 0+00 1+00 2+00 3+00 4+00

-0+50 0+00 0+50 1+00 1+50 2+00 2+50 3+00 3+50 4+00

20" D

I 45°

BEN

D

20" D

I 45°

BEN

D

20" D

I 45°

BEN

D

20" D

I 45°

BEN

D



PROFILE C20 INCH DI EQUALIZATION BASIN INFLUENT FROM

DISTRIBUTION BOX NO.1 TO EQUALIZATION BASIN NO.3SCALE: HOR 1" = 20' | VERT 1" = 5'

20" DI EQIINV EL 12.0

20" DI EQI 6" DI EFW

20" DI EQI

20" DI SCEINV EL 16.9

6" DI EFW




112-06142

8/07/2020

Source:

FIGURE 13PIPE ALIGNMENT PROFILE 'C'


ELEV

ATIO

N

ELEV

ATIO

N

8

10

20

30

8

10

20

30-0+50 0+00 1+00 2+00 3+00 3+50

-0+50 0+00 0+50 1+00 1+50 2+00 2+50 3+00 3+50

20" D

I 45°

BEN

D

20" D

I 45°

BEN

D

20" D

I 45°

BEN

D

20" D

I 45°

BEN

D 20" DI EQIINV EL 12.0


PROFILE D20 INCH DI EQUALIZATION BASIN INFLUENT FROM

DISTRIBUTION BOX NO.1 TO EQUALIZATION BASIN NO.4SCALE: HOR 1" = 20' | VERT 1" = 5'


6" EFW DI


20" DI EQI




112-06142

8/07/2020

Source:

FIGURE 14PIPE ALIGNMENT PROFILE 'D'


ELEV

ATIO

N

ELEV

ATIO

N

8

10

20

30

8

10

20

30-0+50 0+00 1+00 2+00 2+50

-0+50 0+00 0+50 1+00 1+50 2+00 2+50

20" D

I 45°

BEN

D

20" D

I 45°

BEN

D

20" D

I 45°

BEN

D

20" D

I 45°

BEN

D

PROFILE E20 INCH DI FILTER BUILDING INFLUENT FROMDISTRIBUTION BOX NO.1 TO FILTER BUILDING

SCALE: HOR 1" = 20' | VERT 1" = 5'



FILTERBUILDING

20" D

I SOL

ID S

LEEV

E

20" DI DFI

CUT AND CONNECTTO EXISTING WITH DISOLID SLEEVE WITHRESTRAINED JOINTS

TEST PIT




112-06142

8/07/2020

Source:

FIGURE 15PIPE ALIGNMENT PROFILE 'E'


ELEV

ATIO

N

ELEV

ATIO

N

8

10

20

30

8

10

20

30-0+50 0+00 1+00 2+00

-0+50 0+00 0+50 1+00 1+50 2+0020

" DI 4

5° B

END

20" D

I 45°

BEN

D

20" D

I COU

PLIN

G

PROFILE F20 INCH DI SECONDARY CLARIFIER EFFLUENT FROMSECONDARY CLARIFIER TO DISTRIBUTION BOX NO.1

SCALE: HOR 1" = 20' | VERT 1" = 5'

20" D

I 45°

VER

T BE

ND

20" D

I 45°

VER

T BE

ND

DISTRIBUTION BOX NO.1CUT AND CONNECT TO EXISTINGWITH DI SOLID SLEEVE WITH

RESTRAINED JOINTS


20" DI SCE

SECONDARYCLARIFIER

TEST PIT (TYP)




112-06142

8/07/2020

Source:

FIGURE 16PIPE ALIGNMENT PROFILE 'F'


Equalization Basin No. 3 and 4 11206142 10441-1 SIGNS Addendum No. 3

SECTION 10441

SIGNS

PART 1 GENERAL

1.01. SECTION INCLUDES

A. Safety warning signs.

B. Instructional signs.

1.02. RELATED SECTIONS

A. Section 01300 – SUBMITTALS

B. Section 01600 – MATERIALS AND EQUIPMENT

1.03. SUBMITTALS

A. Submit under provisions of Section 01300, Submittals.

B. Manufacturer’s Data - Submit descriptive literature and specifications, including color chart.

C. Submit shop drawings depicting sign styles, lettering font, foreground and background colors, locations above finished floor and adjacent to doors, a list of all signs to be provided indicating sign location and text, and overall dimension of each sign and method of attachment.

D. Submit manufacturer’s standard warranty information.

1.04. REGULATORY REQUIREMENTS

A. Wall-mounted signs shall conform to ICC/ANSI A 117.1 – 2003 - Accessible and Usable Buildings and Facilities.

B. Exterior wall-mounted or post-mounted signs designating accessible parking spaces shall conform to ICC/ANSI A 117.1 – 2003 - Accessible and Usable Buildings and Facilities, and shall also conform to the applicable sections of Chapter 11 of the 2009 IBC.

1.05. DELIVERY, STORAGE, AND HANDLING

A. Deliver products to site in accordance with Section 01600, Materials and Equipment.

B. Store and protect products in accordance with Section 01600, Materials and Equipment.

C. Sign packages shall have exterior labels indicating the name of the building or buildings where they are to be installed.

D. Store adhesive or tape materials at temperatures within the manufacturer’s recommended installation temperature range.


1.06. ENVIRONMENTAL REQUIREMENTS

A. For mounting methods utilizing adhesive or tape materials: do not install signs when ambient temperature is below 70 degrees F. Maintain this minimum during and after installation of signs.

PART 2 PRODUCTS

2.01. MANUFACTURERS

A. Exterior Post-Mounted Signs

1. Emed Co. Inc., Chicago, IL. www.emedco.com (800) 442-3633

2. Brimar Industries, Inc, Garfield, NJ www.safetysign.com (800) 274-6271

3. Gemini Incorporated www.geminisignproducts.com (800) 538-8377

4. Or equal.

B. Safety Warning Signs

1. Seton Identification Products, Branford, CT. www.seton.com (800) 571-2596

2. Emed Co. Inc., Chicago, IL. www.emedco.com (800) 442-3633

3. www.SafetySigns.com (800) 274-6271

4. Or equal.

C. Instructional Signs - Interior and exterior wall-mounted fiberglass signs.

1. Best Sign Systems, Inc., Montrose, CO. www.bestsigns.com (800) 235-2378

2. Apco Signs, Atlanta, GA. www.apcosigns.com (877)988-2726

3. ACE Sign Systems, Inc. www.Acesign.com (765) 288-1000

4. Or equal.

2.02. SIGNS

A. Exterior Room Designation Signs


1. Etched fiberglass with non-glare, UV-resistant painted surface.

2. Base material thickness to be 0.25 inch.

3. Minimum Width - 10 inches; minimum height: 3 inches.

4. Room name lettering and Braille as required by ICC/ANSI A 117.1 – 2003.

5. Raised white letters on black background.

6. Mounting by countersunk stainless steel screws in pre-drilled holes with expansion sleeves. Plastic spacing sleeves behind signs as required to attain plum and true alignment.

7. Best Sign Systems HC300, equal series by Apco Signs, or equal.

B. Exterior Wall-Mounted or Post-Mounted Parking Space Designation Aluminum Signs

1. Sign Material - Non-reflective aluminum.

2. Duroshield Tedlar top coat.

3. Handicapped Parking Space Designation Signs

a. Text and graphics shall be as required by the referenced regulatory requirements, with the International Symbol of Accessibility.

b. Width 12 inches; height 24 inches.

c. Emed Co. Item Number 30840, equal by Brimar Industries, Inc., or equal.

d. White lettering against a blue background.

C. Mounting Posts for Exterior Signs

1. Hot-dipped G90 galvanized steel U-channel.

2. Stainless steel bolts for attaching the sign.

3. Minimum Length - Size so that the bottom edge of the sign is 5 feet minimum above the adjacent pavement or walking surface.

4. Minimum Post Embedment - 3 feet.

D. Safety Warning Signs/Equipment Signs

1. Where self-adhesive application is possible: flexible vinyl with a clear polyester coating or high-performance polyester.

2. Where it is necessary to mount the sign on railings or other framework near the hazard: 0.063-inch aluminum secured with stainless steel U-bolts or other appropriate stainless steel fasteners.

3. Rectangular signs are to be a minimum size of 10 inches wide by 7 inches high.


4. Chemical hazard diamonds are to be vinyl decals or rigid plastic depending on mounting conditions. 11 inches by 11 inches minimum size, with hazard numbers intended for use on the sign material. Signs shall be supplied by manufacturer of chemical.

E. Interior and Exterior Instructional Signs

1. Etched fiberglass with non-glare, UV-resistant painted surface.

2. Base material thickness to be 0.25 inch.

3. Minimum width 10 inches; minimum height 3 inches.

4. Room name lettering and Braille as required by ICC/ANSI A 117.1 – 2003.

5. Raised white letters on black background.

6. Mounting by countersunk stainless steel screws in pre-drilled holes with expansion sleeves. Plastic spacing sleeves behind signs as required to attain plumb and true alignment.

7. Best Sign Systems HC300, equal product by Apco Signs, or equal.

PART 3 EXECUTION

3.01. EXAMINATION

A. Verify that surfaces are ready to receive work.

B. Beginning installation means installer accepts existing surfaces.

3.02. INSTALLATION

A. Install in accordance with manufacturer’s instructions.

B. Install signs after surfaces are finished.

C. Safety warning signs shall be mounted so as to be clearly visible to the person approaching the equipment or area referenced by the sign. Sign locations shall be in compliance with OSHA regulations. Where possible, signs are to be mounted directly on the structures or equipment referenced by the safety message. Coordinate mounting locations with Engineer.

D. Instructional signs shall be mounted:

1. So that the baseline of characters shall be no less than 48 inches above, and no more than 60 inches above, the adjacent floor or ground surface.

3.03. REQUIRED SIGNS

A. Provide red “NON-POTABLE WATER - DO NOT DRINK” safety signs at the following locations:

1. Yard hydrants.


2. All other locations providing non-potable (plant water) or plant effluent water sources.

B. Provide red “CONFINED SPACE” sign with wording required by OSHA at appropriate locations.

C. Provide “WARNING – FALL HAZARD” sign at the following locations:

1. Placed every 50 feet around equalization basin 3 and equalization basin 4 facing away from basin.

2. Placed on each side of Distribution Box 2.

D. Provide “STOP – DO NOT ENTER” sign centered on either end of walking path between equalization basin 3 and equalization basin 4.

(continued)


3.04. FIGURES

END OF SECTION

END OF SECTION