D Project Equalization Basin No 3 and 4 ner 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 pa of and have precedence over anything contrarily shown or described in the Contract Documents, and all such shall taken into consideration and be included in the Contractor's bid proposal. ease see aached pages. The return receipt requested with is mmunication is to be deemed eviden that the bidder has ceived this addendum and has followed the instructions outlined thein. 165 lyngh Road Hyannis Massauae 02801 USA Tn47016> F774 470 1631 W .ghd.m
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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
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.
ADDENDUM NO. 3 EQUALIZATION BASIN NO 3 AND 4
CONTRACT 2020-001/PROJECT #11206142 AUGUST 18, 2020
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
ADDENDUM NO. 3 EQUALIZATION BASIN NO 3 AND 4
CONTRACT 2020-001/PROJECT #11206142 AUGUST 18, 2020
(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
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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)
FIGURE 2ADDENDUM NO 3
ADD3.C003.01
DateReport No.Project No.
Filename: C:\Users\jdfosdick\Documents\CLIENTS GHD\WAREHAM\ADDENDUMS\ADD3-C003-01-FIG2.dwgPlot Date: 17 August 2020 - 7:13 AM
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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
EQUALIZATIONBASIN NO.4
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.
Filename: C:\Users\jdfosdick\Documents\CLIENTS GHD\WAREHAM\ADDENDUMS\ADD3-C003-02-FIG3.dwgPlot Date: 17 August 2020 - 6:32 AM
TOWN OF WAREHAM, MASSACHUSETTSEQUALIZATION BASINS NO 3 & 4
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FIGURE 3ADDENDUM NO 3
ADD3.C003.02
GUARDRAIL (TYP)
EXTERIOREQUIPMENT PAD
(TYP)
EXTERIOR CONCRETESTAIR (TYP)
BOLLARD (TYP) ATEACH END
WOODGUIDERAIL(TYP)
3
3 3
3
3
DateReport No.Project No.
Filename: C:\Users\jdfosdick\Documents\CLIENTS GHD\WAREHAM\ADDENDUMS\ADD3-C004-01-FIG4.dwgPlot Date: 17 August 2020 - 7:14 AM
TOWN OF WAREHAM, MASSACHUSETTSEQUALIZATION BASIN NO 3 AND 4
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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)
FIGURE 4ADDENDUM NO 3
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)
BASIN NO.3 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
DISTRIBUTION BOX NO.2
DISTRIBUTION BOX NO.1
PAVED ACCESS ROADWIDTH VARIED SEE DETAIL
3'-0"MIN GUARDRAILPERSONNEL OPENING
FIGURE 5SUPPLEMENTAL GRADING
ADDENDUM NO.3ADD3.C004.02
DateReport No.Project No.
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
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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
GROUND GRADE ATWOOD GUIDERAIL EL 24.0
TOE OF 2:1 SLOPE,MEET EXISTING GRADE
TOE OF 2:1 SLOPEMEET EXISTING GRADE
TOE OF 2:1 SLOPEMEET EXISTING GRADE
GROUND GRADE ATWOOD GUIDERAIL EL 24.0
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)
GROUND GRADE ATWOOD GUIDERAIL EL 24.0
GROUND GRADE ATWOOD GUIDERAIL EL 24.0
GROUND GRADE ATWOOD GUIDERAIL EL 24.0
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
DateReport No.Project No.
Filename: C:\Users\jdfosdick\Documents\CLIENTS GHD\WAREHAM\ADDENDUMS\ADD3-C005-01-FIG5.dwgPlot Date: 17 August 2020 - 6:24 AM
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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'
DateReport No.Project No.
Filename: C:\Users\jdfosdick\Documents\CLIENTS GHD\WAREHAM\ADDENDUMS\ADD3-C005-02-FIG7.dwgPlot Date: 17 August 2020 - 6:26 AM
TOWN OF WAREHAM, MASSACHUSETTSEQUALIZATION BASINS NO 3 & 4
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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
FIGURE 7ADDENDUM NO.3
ADD3.C005.02
3
3
3
3
3
3
3
3
3 ADDENDUM NO 3
N
PROJECTNORTH
PUMP CONNECTION(TYP)
BASIN NO.4 SUMP (SEEPLANS AND SECTION ONSHEET 112-06142-C007)
EQUALIZATIONBASIN NO.4
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.
Filename: C:\Users\jdfosdick\Documents\CLIENTS GHD\WAREHAM\ADDENDUMS\ADD3-C005-03-FIG8.dwgPlot Date: 17 August 2020 - 6:31 AM
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FIGURE 8ADDENDUM NO.3
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
DateReport No.Project No.
Filename: C:\Users\jdfosdick\Documents\CLIENTS GHD\WAREHAM\ADDENDUMS\ADD3-C006-01-FIG9.dwgPlot Date: 17 August 2020 - 6:33 AM
TOWN OF WAREHAM, MASSACHUSETTSEQUALIZATION BASINS NO 3 & 4
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FIGURE 9ADDENDUM NO.3
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
FIGURE 10ADDENDUM NO 3
ADD3.C007.01
DateReport No.Project No.
Filename: C:\Users\jdfosdick\Documents\CLIENTS GHD\WAREHAM\ADDENDUMS\ADD3-C007-01-FIG10.dwgPlot Date: 17 August 2020 - 6:33 AM
TOWN OF WAREHAM, MASSACHUSETTSEQUALIZATION BASIN NO 3 AND 4
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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'
DISTRIBUTION BOX NO.2
6" DI EFW
20" DI EQI
INV EL 16.96
12" DI BYPASS
20" DI EQE
20" DI EQEINV EL 16.5
20" DI EQEINV EL 12.0
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
EQUALIZATIONBASIN NO.2
EQUALIZATIONBASIN NO.3
DateReport No.Project No.
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
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.
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.
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.
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: