Revised Addednu 1.pdf

ADDENDUM TO BID DOCUMENTS

Addendum No. 1 - Revised

Project Name Marvin Ridge High School Roof Renovation

Bid Number 6-97648063

Date 5/14/26

I. PURPOSE OF ADDENDUM

The purpose of this addendum is to address inquiries received from prospective bidders, block sealant specifications and drawings.

All other terms, conditions, specifications, and requirements of the original bid documents remain unchanged.

II. ATTACHMENT

Questions and Answers

Block Sealant

Drawings

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2025 Marvin Ridge High School Roof Replacement Project Section 071916 � Split Face Block Sealant

Union County Public County Schools Page 1 of 3

SECTION 07 19 16

SPLIT FACE BLOCK SEALANT

PART 1 - GENERAL

1.1 SUMMARY

A. Section Includes:

1. Water repellent sealer for interior or exterior concrete surfaces as scheduled.

1.2 SUBMITTALS

A. Product Data: Submit manufacturer's technical data sheets.

B. Quality Control Submittals:

1. Provide protection plan of surrounding areas and non-work surfaces.

1.3 QUALITY ASSURANCE

A. Qualifications:

1. Manufacturer Qualifications: Company with minimum 15 years of experience in manufacturing of specified products.

2. Manufacturer Qualifications: Company shall be ISO 9001:2015 Certified.

3. Applicator Qualifications: Company with minimum of 5 years� experience in application of specified products on projects of similar size and scope and is acceptable to product manufacturer.

a. Successful completion of a minimum of 5 projects of similar size and complexity to specified work.

B. Field Sample:

1. Install field sample at project site or other pre-selected area, as directed by owner/engineer.

a. Provide mockup of at least 100 sf (9.3 m2) to include surface preparation, sealant joint, and juncture details and allow for evaluation of repellent performance and finish.

b. Conduct absorption test on cured field sample. Adjust application until required repellent performance is achieved.

c. Apply material in accordance with manufacturer�s written application instructions.

2. Field sample will be standard for judging workmanship on remainder of project.

3. Maintain field sample during construction for workmanship comparison.

4. Do not alter, move, or destroy field sample until work is completed and approved by architect/engineer.

2025 Marvin Ridge High School Roof Replacement Project Section 071916 � Split Face Block Sealant

Union County Public County Schools Page 2 of 3

5. Obtain owner/engineer written approval of field sample before start of material application, including approval of aesthetics, color, texture, and appearance.

1.4 DELIVERY, STORAGE, AND HANDLING

A. Comply with manufacturer�s ordering instructions and lead-time requirements to avoid construction delays.

B. Deliver materials in manufacturer's original, unopened, undamaged containers with identification labels intact.

C. Store in unopened containers in clean, dry area between 35 degrees F (2 degrees C) and 110 degrees F (43 degrees C).

1.5 PROJECT CONDITIONS

A. Environmental Requirements:

1. Minimum application temperature is 20 degrees F (minus 7 degrees C) and rising.

2. Do not apply in rain or when rain is expected within 4 hours. Do not apply above 95 degrees F (35 degrees C) or below 40 degrees F (4 degrees C) or when temperatures are expected to fall below 20 degrees F (minus 7 degrees C) within 12 hours.

PART 2 - PRODUCTS

2.1 MATERIALS

A. Clear, breathable, high-performance, 100 percent silane sealer for protecting new and existing concrete surfaces. Penetrates deeply, sealing out water, chloride ions, and acids, preventing damage from freeze/thaw cycles.

1. Bases of Design: Sikagard-H 1000 by Sika.

B. Water repellant sealer complies with the following requirements:

1. Compliance: Alberta DOT, Type 1c.

2. Silane Content by Weight: 100 percent.

3. Penetration, average depth, depending upon substrate: 0.35 inch (9 mm).

4. Surface Appearance after Application: Unchanged.

5. Flash Point, SETA: Greater than 165 degrees F (62.7 degrees C).

6. Waterproofing Repellency after Heavy Abrasion, Alberta DOT penetrating sealer, Type

1c, 0.35 w/c ratio: 83.5 percent.

7. Water Weight Gain, NCHRP 244 Series II Cube Test:

a. 250 sf per gal (6.1 m2/L): 90 percent reduction.

b. 400 sf per gal (9.8 m2/L): 85 percent reduction.

8. Absorbed Chloride, NCHRP 244 Series II Cube Test:

a. 250 sf per gal (6.1 m2/L): 96 percent reduction.

b. 400 sf per gal (9.8 m2/L): 87 percent reduction.

2025 Marvin Ridge High School Roof Replacement Project Section 071916 � Split Face Block Sealant

Union County Public County Schools Page 3 of 3

9. Absorbed Chloride, NCHRP 244 Series IV Southern Climate: 98 percent reduction.

10. VOC Content:

a. 3.05 lbs per gal (365 g/L), less water and exempt solvents.

PART 3 - EXECUTION

3.1 EXAMINATION

A. Contractor shall verify the brick is acceptable to receive sealant.

3.2 SURFACE PREPARATION

A. Prepare surfaces in accordance with manufacturer�s instructions.

B. Sealant shall be applied after pressure washing surface.

C. Verify substrate has properly cured. Surfaces shall be clean and structurally sound. Remove dust, dirt, oil, grease, chemical films, coatings and other contaminants before application.

D. Do not apply sealer if standing water is visible on surface to be treated.

3.3 APPLICATION

A. Apply sealer in accordance with manufacturer�s instructions.

B. Stir material thoroughly before and during application.

C. Apply even distribution of sealer at the rate required by the manufacturer.

D. Apply one coat of sealant.

3.4 PROTECTION

A. Protect sealer from damage during construction.

END OF SECTION 07 19 16

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DETAIL PLAN

DP03

DP-03

DETAIL PLAN

SCALE:

16 " = 1'-0"

KEY PLAN

1/DP03

R-2

R-2

R-2

R-2

R-3

R-2

R-2

R-2

R-2

R-3

R-3

R-2

R-2

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R-1

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R-1

R-3

R-3

R-1

R-1

R-2

R-2

R-2

R-2

R-2

R-2

DP-03

DETAIL PLAN

SCALE:

32" = 1'-0"

2/DP03

R-2

R-2

R-1

R-2

R-3

R-3

R-2 5

R-2

R-2

R-3

R-3

R-2

R-3

R-3

R-3

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R-4

R-4

R-4

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R-4

R-4

R-4

R-4

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R-4

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R-4

ROOF AREA

01.09

R-1

ROOF AREA

01.12

ROOF AREA

02.01

ROOF AREA

02.02

ROOF AREA

01.10

R-1

ROOF AREA

01.11

R-1

ROOF AREA

01.08

R-1

ROOF AREA

04.01

R-1

SEE 7/R-4

SEE 9/R-4

SEE 7/R-4

SEE 7/R-4

R-5

SEE NOTE

#12/C1

FOR CONSTRUCTION

NOTE: THE METAL ROOF WORK ON ROOFS 01.12 ARE INCLUDED AS AN ALTERNATE.

SEE 1/R-7

SEE 4/R-7

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ELEVATIONS

C-1

C-1

EAST ELEVATION

SCALE: 3

32 " = 1'-0"

KEY PLAN

C-1

EAST ELEVATION

SCALE: 3

32 " = 1'-0"

C-1

NORTH EAST INNER ELEVATION

SCALE: 3

32 " = 1'-0"

C-1

C-1

C-1

NOTE:

1. PRESSURE WASH ALL CONCRETE AND EIFS WALLS AS INDICATED.

1.1. THE CONTRACTOR SHALL UTILIZE A SUB-CONTRACTOR THAT HAS FIVE YEARS OR MORE

EXPERIENCE PRESSURE WASHING FACILITIES.

1.2. THE PRESSURE SHALL BE 1,500 PSI AT THE TIP OF THE PRESSURE WASHER.

1.3. THE FLOW AMOUNT SHALL BE A MINIMUM OF 4 GPM.

1.4. THE CHEMICAL TO BE USED AS PART OF THE PRESSURE WASHING SHALL BE

ENVIRONMENTALLY FRIENDLY FOR EXAMPLE. SIMPLY GREEN OXYSOLVE HOUSE AND SIDING

1.5. CLEAN THE EXTERIOR OF ANY WINDOWS THAT MAY HAVE OVER SPRAY. ALL EIFS IS TO BE

PRESSURE WASHED AND COATED.

2. CUT / GRIND CRACKED EIFS AREA AND APPLY NEW SCRATCH COAT / FINISH COAT.

3. CUT EIFS 12 INCHES UP OR TO THE CLOSEST CONTROL JOINT, NOT EXCEEDING 2 FEET IN AREAS

WHERE FLASHING HEIGHT CANNOT BE ACHIEVED AND OTHER AREAS INDICATED IN DETAIL

DRAWINGS.

4. CONTRACTOR TO VERIFY EXTENT OF WORK TO BE DONE ON EIFS AND RE-APPLY COLORS TO

MATCH EXISTING. (VERIFY W/ OWNER) .

5. APPLY SEALER OVER IDENTIFIED SPLIT FACE BLOCK AFTER PRESSURE WASHING.

6. CONTRACTOR TO EMPLOY A LICENSED AND BONDED MECHANICAL/REFRIGERATION/ELECTRICAL

CONTRACTOR TO CUT LOOSE AND RECONNECT REFRIGERANT LINES, ELECTRICAL LINES, AND GAS

LINES, AS REQUIRED.

7. ALL ELECTRICAL CONDUIT TO BE SUPPORTED BY CONDUIT BASE STRUT. CONDUIT BASE DESIGNED

TO SUPPORT CONDUIT (GANGED) CABLE TRAYS OR OTHER MECHANICAL PIPING. EVEN LOAD

REQUIRED, MAXIMUM LOAD IS 172 LBS. (MAX LOAD BASED ON 3.0 PSI TO THE ROOF DECK).

RECOMMENDED SPACING IS NOT TO EXCEED 10' CENTERS. MAKE CERTAIN EACH SUPPORT IS

PROPERLY ELEVATED TO EVENLY DISTRIBUTE WEIGHT AT ALL SUPPORT LOCATIONS. SEE DETAILS

1/R-5 AND 2/R-5.

8. RE-COVER SLEEPERS AS SHOWN IN DETAIL 4/R-3.

9. ADJUST THROUGH WALL SCUPPER AND OVERFLOW POSITIONS TO MATCH NEW ROOF ELEVATION

AND RETAIN ORIGINAL SIZES.

10.CLEAN GUTTERS AND DOWNSPOUTS ON METAL ROOFS. REPAIR THE DAMAGED GUTTERS AND

DOWNSPOUTS AS NEEDED.

11.SPLASH PANS MUST BE ADDED TO OPEN ENDED DOWNSPOUTS.

12.ON METAL ROOFS, REMOVE AND REPLACE EXISTING FASTENERS WITH NEW NO. 14

SELF-DRILLING FASTENERS WITH SEALING NEOPRENE WASHERS. FASTENER LENGTH SHALL BE AS

REQUIRED TO FULLY PENETRATE THE METAL SUBSTRATE, BUT SHALL NOT BE LESS THAN 1 INCH.

NEW FASTENERS SHALL BE ONE SIZE LARGER THAN THE EXISTING FASTENERS. (THE ALTERNATE)

13. REPLACE BACKER RODS AND RECAULK ALL AREAS AROUND LOUVERS.

14. REPAINT ALL ROOF LADDERS AND REPLACE ANY MISSING FASTENERS.

14.1. WIRE BRUSH EXISTING LADDER FRAME TO REMOVE ANY LOOSE PAINT AND RUST. AREAS

WITH EXTENSIVE CORROSION AND/ OR STEEL SECTION LOSS SHALL BE REPORTED TO THE

ENGINEER.

14.2. THE STEEL SHALL BE COATED WITH 2 in 1 WATER-BASED RUST CONVERTER.

14.3. PAINT THE STRUCTURAL STEEL WITH SEMI-GLOSS WATER-BASED INTERIOR/EXTERIOR, 100%

ACRYLIC, SEMI GLOSS, MOLD- AND MILDEW-RESISTANT FINISH (BASES OF DESIGN) - 2 COATS

WITH PRIMER, 375 SQ. FT. PER GALLON. THE OWNER SHALL PICK THE COLOR.

15.FOR TRANSLUCENT WINDOW, FLASHING HEIGHT SHALL BE MINIMUM OF 8 INCHES, AND

CONSTRUCTED ACCORDING TO DETAIL 2/R-3. DO NOT USE IMPACT ON THE WINDOW WHEN

PLACING FASTENERS.

16.A 2-1/2 INCHES DEEP REGLET SHALL BE USED FOR FLASHING BRICKS AND BLOCKS MARKED

BRICKWALL.

17.THE METAL ROOF WORK FOR THIS PROJECT IS INCLUDED AS AN ALTERNATE.

SEE NOTES #1 TO #4 / C-1 EIFS BRICKWALL

STANDING SEAM

METAL ROOF

ALUMINUM AROUND

COLUMN AND BEAM

SPLIT FACE BLOCK

SEE NOTES #1 TO #4 / C-1 EIFS BRICKWALL

SEE NOTES #1 TO #4 / C-1 EIFS BRICKWALL

REMOVE ONE HANGING BRICK

AND MORTAR BELOW IT SEE 3/C-5

FOR CONSTRUCTION

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ELEVATIONS

C-2

KEY PLAN

C-2

NORTH ELEVATION

SCALE:

32 " = 1'-0"

C-2

NORTH ELEVATION

SCALE:

32 " = 1'-0"

C-2

NORTH ELEVATION

SCALE:

32 " = 1'-0"

C-2

C-2

C-2

SEE NOTES #1 TO #4 / C-1

EIFS

BRICKWALL

STANDING SEAM METAL ROOF

SEE NOTES #1 TO #4 / C-1

SEE NOTES #1 TO #4 / C-1

EIFS

SPLIT FACE BLOCK

SPLIT FACE BLOCK

SEE NOTES #1 TO #4 / C-1

EIFS

BRICKWALL

SPLIT FACE BLOCK

STANDING SEAM

METAL ROOF

ALUMINUM AROUND

COLUMN AND BEAM

DOWNSPOUT

NEW PLATFORM POSITION

REPLACE BACKER RODS

AND RECAULK ALL AREAS

AROUND WINDOWS

REPLACE BACKER RODS

AND RECAULK ALL AREAS

AROUND WINDOWS

REPLACE BACKER RODS

AND RECAULK ALL AREAS

AROUND LOUVRES

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ELEVATIONS

C-3

KEY PLAN

C-3

SOUTH ELEVATION

SCALE:

32 " = 1'-0"

C-3

SOUTH ELEVATION

SCALE:

32 " = 1'-0"

C-3

SOUTH ELEVATION

SCALE:

32 " = 1'-0"

C-3

C-3

C-3

SEE NOTES #1 TO #4 / C-1

EIFS

BRICKWALL

STANDING SEAM

METAL ROOF

ALUMINUM AROUND

COLUMN AND BEAM

SPLIT FACE BLOCK

SPLIT FACE BLOCK

DOWNSPOUT

SEE NOTES #1 TO #4 / C-1

EIFS BRICKWALL

SPLIT FACE BLOCK

SEE NOTES #1 TO #4 / C-1 EIFS

BRICKWALL

STANDING SEAM

METAL ROOF

SPLIT FACE BLOCK

REPLACE BACKER RODS

AND RECAULK ALL AREAS

AROUND LOUVRES

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ELEVATIONS

C-4

KEY PLAN

C-4

WEST INNER ELEVATION

SCALE:

32 " = 1'-0"

C-4

SOUTH EAST ELEVATION

SCALE:

32 " = 1'-0" 2

C-4

NORTH WEST INNER ELEVATION

SCALE:

32 " = 1'-0"

C-4

WEST ELEVATION

SCALE:

32 " = 1'-0"

C-4

WEST ELEVATION

SCALE:

32 " = 1'-0"

C-4

C-4

C-4

C-4

C-4

C-4

C-4

C-4

C-4

C-4

SEE NOTES #1 TO #4 / C-1

EIFS

BRICKWALL

STANDING SEAM

METAL ROOF

ALUMINUM AROUND

COLUMN AND BEAM

SPLIT FACE BLOCK

SPLIT FACE BLOCK

SEE NOTES #1 TO #4 / C-1

EIFS

BRICKWALL

SEE NOTES #1 TO #4 / C-1

EIFS

BRICKWALL

SPLIT FACE BLOCK

SEE NOTE #1 / C-1

BRICKWALL

SEE NOTES #1 TO #4 / C-1

BRICKWALL

SPLIT FACE BLOCK

EIFS

SEE NOTES #1 TO #4 / C-1

EIFSNEW ACCESS

PLATFORM

SEE R-6

C-4

EAST INNER ELEVATION

SCALE:

32 " = 1'-0"

C-4

REPLACE BACKER RODS

AND RECAULK ALL AREAS

AROUND WINDOWS

REPLACE BACKER RODS

AND RECAULK ALL AREAS

AROUND LOUVRES

REPLACE BACKER RODS

AND RECAULK ALL AREAS

AROUND WINDOWS

REPLACE BACKER RODS

AND RE-CAULK ALL AREAS

AROUND DOOR TPICAL

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ELEVATIONS

C-5

KEY PLAN

C-5

EAST ELEVATION

SCALE:

16" = 1'-0"

C-5

EAST ELEVATION

SCALE:

32 " = 1'-0"

C-5

C-5

C-4

C-4

SEE NOTES #1 TO #4 / C-1

EIFS

BRICKWALL

SPLIT FACE BLOCK

SEE NOTES #1 TO #4 / C-1EIFS

STANDING SEAM

METAL ROOF

SPLIT FACE BLOCK

SEE DETAIL 2/R-3

C-5

EAST ELEVATION

SCALE:

32 " = 1'-0"

SEE NOTES #1 TO #4 / C-1

EIFS

BRICKWALL

REPAIR BRICK SEE 1/R-7

C-5

BRICK REPAIR

SCALE: NTS

REMOVE HANGING MORTAR PER DETAIL 4/R-7

REPAIR HANGING BRICK SEE

4/C-5

C-5

REPLACE BACKER RODS

AND RECAULK ALL AREAS

AROUND WINDOWS

REPLACE BACKER RODS

AND RECAULK ALL AREAS

AROUND WINDOWS

REPLACE BACKER RODS

AND RECAULK ALL AREAS

AROUND LOUVRES

FOR CONSTRUCTION

SPLIT FACE BLOCK

SEE NOTE #5 / C-1