T

E C

H N

IC

A

L S

P E

C

IF

IC

A

T

IO

N S

Table of Contents Generated by MasterWorks: 3/27/2020

Division Section Title

DIVISION 03 - CONCRETE

03 30 00 CAST-IN-PLACE CONCRETE

03 41 00 PRECAST STRUCTURAL CONCRETE

DIVISION 05 - METALS

05 12 00 STRUCTURAL STEEL FRAMING

DIVISION 06 - WOOD, PLASTICS, AND COMPOSITES

06 10 00 ROUGH CARPENTRY

DIVISION 31 - EARTHWORK

31 10 00 SITE CLEARING

31 20 00 EARTH MOVING

31 25 00 EROSION AND SEDIMENTATION CONTROLS

DIVISION 32 - EXTERIOR IMPROVEMENTS

32 32 34.10 GEOSYNTHETIC REINFORCED SOIL ABUTMENT

32 92 00 TURF AND GRASSES

DIVISION 33 - UTILITIES

33 41 00 STORM UTILITY DRAINAGE PIPING

END OF TABLE OF CONTENTS

M A

S T

E R

W O

R K

S S

U B

M

IT

T A

L L

O G

P R

O J E

C T

K o rp e la t o W a k e fi e ld S ta te lin e G ra d e E x te n s io n

W

N E

R S ta te o f M ic h ig a

O J E

C T

N O

-2

-0

C

N T

R A

C T

O

D

C

’D

SPECIFICATION

SECTION NO.

S U

B M

IT

T

A L

I T

N T

R A

C T

U B

C O

N T

R A

C T

NO. RECEIVED

T

H E

R R

E V

IE

W

T

IO

DATE

RETURNED

C O

P

IE

S

F

IR

NO. COPIES

U

C

’D

APPROVED

APPROVED

AS NOTED

REVISE &

RESUBMIT

NOT APP’D.

CONTRACTOR

OWNER

FIELD

FILE

S T

-I N

-P L

A C

E C

O N

C R

E ro d u c t D ta h o p D ra w in g s

E C

A S

T S

T R

U C

T U

R A

L C

O N

C R

E d u c t D o p D ra w in g s

S ta m p e d s ig n M ix tu re te ri a l C e rt if ic a ti o

-C o n s tr u c ti o n T e s t

R e p o rt

R U

C T

U R

A L

S T

E E

L F

R A

M

IN

d u c t D

O S

IO

N

A N

D S

E D

IM

E

N T

A T

IO

N

T R

O L d u c t D

.1

O S

Y N

T H

E T

IC

R

E

IN

F O

R C

E D

S

IL

B

U T

M E d u c t D s t D a ta

C e rt if ic a ti o c o n s tr u c ti o n T e s t

R e p o o u rc e Q u a lit y -C o n tr o l R e p o

F ie ld Q u a lit y -C o n tr o l R e p o

S I n s ta lla ti o n P la ra n e L o c a ti o n S k e tc

O R

M U

T

IL

IT

Y

D R

A

IN

A G

E P

IP

IN

d u c t D o p D ra w in g

DTMB/DNR CAST-IN-PLACE CONCRETE

Korpela to Wakefield Stateline Grade 03 30 00 - Page 1 of 14 Extension Culvert & Bridge Replacement 3/27/2020 File #751/20089.RJBB Index #5100 OHM Project #7136-20-0010

SECTION 03 30 00 - CAST-IN-PLACE CONCRETE

PART 1 - GENERAL

1.1 RELATED DOCUMENTS

A. Drawings and general provisions of the Contract, including General and Supplementary Conditions and Division 01 Specification Sections, apply to this Section.

1.2 SUMMARY

A. Section includes cast-in-place concrete, grout, formwork, reinforcement, concrete materials, mixture design, placement procedures, and finishes.

B. Related Requirements:

1. Section 03 41 00 Precast Structural Concrete.

2. Section 32 32 34.1 Geosynthetic Reinforced Soil Abutment.

3. Section 33 41 00 Storm Utility Drainage Piping.

1.3 DEFINITIONS

A. Cementitious Materials: Portland cement alone or in combination with one or more of the following: blended hydraulic cement, fly ash, slag cement, other pozzolans, and silica fume;

materials subject to compliance with requirements.

B. W/C Ratio: The ratio by weight of water to cementitious materials.

1.4 ACTION SUBMITTALS

A. Product Data: For each type of product.

B. Design Mixtures: For each concrete mixture. Submit alternate design mixtures when characteristics of materials, project conditions, weather, test results, or other circumstances warrant adjustments.

1. Indicate amounts of mixing water to be withheld for later addition at Project site.

C. Steel Reinforcement Shop Drawings: Placing Drawings that detail fabrication, bending, and placement. Include bar sizes, lengths, material, grade, bar schedules, stirrup spacing, bent bar diagrams, bar arrangement, splices and laps, mechanical connections, tie spacing, hoop spacing, and supports for concrete reinforcement.

D. Construction Joint Layout: Indicate proposed construction joints required to construct the structure.

Korpela to Wakefield Stateline Grade 03 30 00 - Page 2 of 14 Extension Culvert & Bridge Replacement 3/27/2020

1.5 INFORMATIONAL SUBMITTALS

A. Material Certificates

B. Material Test Reports

1.6 QUALITY ASSURANCE

A. Manufacturer certified according to NRMCA's "Certification of Ready Mixed Concrete Production Facilities."

B. Testing Agency Qualifications: An independent agency, approved by Owner, qualified according to ASTM C 1077 and ASTM E 329 for testing indicated, as documented according to ASTM E 548.

1. Personnel conducting field tests shall be qualified as ACI Concrete Field Testing Technician, Grade 1, according to ACI CP-1 or an equivalent certification program.

2. Personnel performing laboratory tests shall be ACI-certified Concrete Strength Testing Technician and Concrete Laboratory Testing Technician, Grade I.

C. Concrete Testing Service: Contractor shall engage a qualified independent testing agency to perform material evaluation tests and to design concrete mixtures.

1.7 PRECONSTRUCTION TESTING

A. Preconstruction Testing Service: Engage a qualified testing agency to perform preconstruction testing on concrete mixtures.

1.8 DELIVERY, STORAGE, AND HANDLING

A. Steel Reinforcement: Deliver, store, and handle steel reinforcement to prevent bending and damage. Avoid damaging coatings on steel reinforcement.

B. Waterstops: Store waterstops under cover to protect from moisture, sunlight, dirt, oil, and other contaminants.

1.9 FIELD CONDITIONS

A. Cold-Weather Placement: Comply with ACI 306.1 and as follows. Protect concrete work from physical damage or reduced strength that could be caused by frost, freezing actions, or low temperatures.

1. When average high and low temperature is expected to fall below 40 deg F for three successive days, maintain delivered concrete mixture temperature within the temperature range required by ACI 301.

2. Do not use frozen materials or materials containing ice or snow. Do not place concrete on frozen subgrade or on subgrade containing frozen materials.

Korpela to Wakefield Stateline Grade 03 30 00 - Page 3 of 14 Extension Culvert & Bridge Replacement 3/27/2020

3. Do not use calcium chloride, salt, or other materials containing antifreeze agents or chemical accelerators unless otherwise specified and approved in mixture designs.

B. Hot-Weather Placement: Comply with ACI 301 and as follows:

1. Maintain concrete temperature below 90 deg F at time of placement. Chilled mixing water or chopped ice may be used to control temperature, provided water equivalent of ice is calculated to total amount of mixing water. Using liquid nitrogen to cool concrete is Contractor's option.

2. Fog-spray forms, steel reinforcement, and subgrade just before placing concrete. Keep subgrade uniformly moist without standing water, soft spots, or dry areas.

PART 2 - PRODUCTS

2.1 CONCRETE, GENERAL

A. ACI Publications: Comply with the following unless modified by requirements in the Contract Documents:

1. ACI 301.

2. ACI 318.

3. ACI 117.

2.2 FORM-FACING MATERIALS

A. Smooth-Formed Finished Concrete: Form-facing panels that provide continuous, true, and smooth concrete surfaces. Furnish in largest practicable sizes to minimize number of joints.

B. Rough-Formed Finished Concrete: Plywood, lumber, metal, or another approved material.

Provide lumber dressed on at least two edges and one side for tight fit.

C. Form-Release Agent: Commercially formulated form-release agent that does not bond with, stain, or adversely affect concrete surfaces and does not impair subsequent treatments of concrete surfaces.

1. Formulate form-release agent with rust inhibitor for steel form-facing materials.

D. Form Ties: Factory-fabricated, removable or snap-off glass-fiber-reinforced plastic or metal form ties designed to resist lateral pressure of fresh concrete on forms and to prevent spalling of concrete on removal.

1. Furnish units that leave no corrodible metal closer than 1 inch to the plane of exposed concrete surface.

2. Furnish ties that, when removed, leave holes no larger than 1 inch in diameter in concrete surface.

3. Furnish ties with integral water-barrier plates to walls indicated to receive dampproofing or waterproofing.

Korpela to Wakefield Stateline Grade 03 30 00 - Page 4 of 14 Extension Culvert & Bridge Replacement 3/27/2020

2.3 STEEL REINFORCEMENT

A. Reinforcing Bars: ASTM A 615/A 615M, Grade 60, deformed.

B. Low-Alloy-Steel Reinforcing Bars: ASTM A 706/A 706M, deformed.

C. Epoxy-Coated Reinforcing Bars: ASTM A 615/A 615M, Grade 60, deformed bars, ASTM A 775/A 775M, epoxy coated, with less than 1 percent damaged coating in each 12-inch bar length.

D. Plain-Steel Welded-Wire Reinforcement: ASTM A 1064/A 1064M, plain, fabricated from as-drawn steel wire into flat sheets.

E. Deformed-Steel Welded-Wire Reinforcement: ASTM A 1064/A 1064M, flat sheet.

F. Galvanized-Steel Welded-Wire Reinforcement: ASTM A 1064/A 1064M, plain, fabricated from galvanized-steel wire into flat sheets.

G. Epoxy-Coated Welded-Wire Reinforcement: ASTM A 884/A 884M, Class A coated, Type 1, plain steel.

2.4 REINFORCEMENT ACCESSORIES

A. Bar Supports: Bolsters, chairs, spacers, and other devices for spacing, supporting, and fastening reinforcing bars and welded-wire reinforcement in place. Manufacture bar supports from steel wire, plastic, or precast concrete according to CRSI's "Manual of Standard Practice".

2.5 CONCRETE MATERIALS

A. Source Limitations: Obtain each type or class of cementitious material of the same brand from the same manufacturer's plant, obtain aggregate from single source, and obtain admixtures from single source from single manufacturer.

B. Cementitious Materials:

1. Portland Cement: ASTM C 150/C 150M, Type II Type I/II Type III, gray.

2. Fly Ash: ASTM C 618, Class F or C.

3. Slag Cement: ASTM C 989/C 989M, Grade 100 or 120.

4. Blended Hydraulic Cement: ASTM C 595/C 595M, Type IS, portland blast-furnace slag cement.

5. Silica Fume: ASTM C 1240, amorphous silica.

C. Normal-Weight Aggregates: ASTM C 33/C 33M, graded.

1. Maximum Coarse-Aggregate Size: 1-1/2 inches nominal for pours greater than 10 inches thick, 3/4 inch nominal for pours between 6 inches thick and 3 inches thick, 1/2 inch nominal for pours less than 3 inches thick.

2. Fine Aggregate: Free of materials with deleterious reactivity to alkali in cement.

D. Air-Entraining Admixture: ASTM C 260/C 260M.

Korpela to Wakefield Stateline Grade 03 30 00 - Page 5 of 14 Extension Culvert & Bridge Replacement 3/27/2020

E. Chemical Admixtures: Certified by manufacturer to be compatible with other admixtures and that do not contribute water-soluble chloride ions exceeding those permitted in hardened concrete. Do not use calcium chloride or admixtures containing calcium chloride.

1. Water-Reducing Admixture: ASTM C 494/C 494M, Type A.

2. Retarding Admixture: ASTM C 494/C 494M, Type B.

3. Water-Reducing and Retarding Admixture: ASTM C 494/C 494M, Type D.

4. High-Range, Water-Reducing Admixture: ASTM C 494/C 494M, Type F.

5. High-Range, Water-Reducing and Retarding Admixture: ASTM C 494/C 494M, Type G.

6. Plasticizing and Retarding Admixture: ASTM C 1017/C 1017M, Type II.

F. Water: ASTM C 94/C 94M and potable.

2.6 WATERSTOPS

A. Flexible Rubber Waterstops: CE CRD-C 513, with factory-installed metal eyelets, for embedding in concrete to prevent passage of fluids through joints. Factory fabricate corners, intersections, and directional changes.

1. Profile: Flat dumbbell with center bulb.

2. Dimensions: 4 inches by 3/16 inch thick; nontapered.

B. Self-Expanding Butyl Strip Waterstops: Manufactured rectangular or trapezoidal strip, butyl rubber with sodium bentonite or other hydrophilic polymers, for adhesive bonding to concrete, 3/4 by 1 inch

1. Manufacturers: Subject to compliance with requirements, provide products by one of the following:

a. Barrier-Bac; Inteplast Group, Ltd.

b. Carlisle Coatings & Waterproofing Inc.

c. CETCO, a Minerals Technologies company.

C. Self-Expanding Rubber Strip Waterstops: Manufactured rectangular or trapezoidal strip, bentonite-free hydrophilic polymer-modified chloroprene rubber, for adhesive bonding to concrete, 3/8 by 3/4 inch.

1. Manufacturers: Subject to compliance with requirements, provide products by one of the following:

a. Adeka Ultra Seal/OCM, Inc.

b. CETCO, a Minerals Technologies company.

c. GCP Applied Technologies Inc. (formerly Grace Construction Products).

d. Sika Greenstreak

2.7 CURING MATERIALS

A. Evaporation Retarder: Waterborne, monomolecular film forming, manufactured for application to fresh concrete.

1. Manufacturers: Subject to compliance with requirements, provide products by one of the following:

a. BASF Corporation; Construction Systems.

b. Bon Tool Co.

c. Brickform; a division of Solomon Colors.

d. ChemMasters, Inc.

e. Dayton Superior.

http://www.specagent.com/Lookup?ulid=11015 http://www.specagent.com/Lookup?uid=123457061173 http://www.specagent.com/Lookup?uid=123456999323 http://www.specagent.com/Lookup?uid=123456999324 http://www.specagent.com/Lookup?ulid=11016 http://www.specagent.com/Lookup?uid=123456999182 http://www.specagent.com/Lookup?uid=123456999185 http://www.specagent.com/Lookup?uid=123456999186 http://www.specagent.com/Lookup?uid=123456999183

Korpela to Wakefield Stateline Grade 03 30 00 - Page 6 of 14 Extension Culvert & Bridge Replacement 3/27/2020

f. Euclid Chemical Company (The); an RPM company.

g. Kaufman Products, Inc.

h. L&M Construction Chemicals, Inc.

i. Lambert Corporation.

j. Metalcrete Industries.

k. Nox-Crete Products Group.

l. Sika Corporation.

m. SpecChem, LLC.

n. TK Products.

o. Vexcon Chemicals Inc.

p. W. R. Meadows, Inc.

B. Absorptive Cover: AASHTO M 182, Class 2, burlap cloth made from jute or kenaf, weighing approximately 9 oz./sq. ydwhen dry.

C. Moisture-Retaining Cover: ASTM C 171, polyethylene film or white burlap-polyethylene sheet.

D. Water: Potable.

E. Clear, Waterborne, Membrane-Forming Curing Compound: ASTM C 309, Type 1, Class B, dissipating.

1. Manufacturers: Subject to compliance with requirements, provide products by one of the following:

a. Anti-Hydro International, Inc.

b. BASF Corporation; Construction Systems.

c. ChemMasters, Inc.

d. Dayton Superior.

e. Euclid Chemical Company (The); an RPM company.

f. Kaufman Products, Inc.

g. L&M Construction Chemicals, Inc.

h. Lambert Corporation.

i. Nox-Crete Products Group.

j. Right Pointe.

k. SpecChem, LLC.

l. TK Products.

m. Vexcon Chemicals Inc.

n. W. R. Meadows, Inc.

F. Clear, Waterborne, Membrane-Forming Curing Compound: ASTM C 309, Type 1, Class B, nondissipating.

1. Manufacturers: Subject to compliance with requirements, provide products by one of the following:

a. Anti-Hydro International, Inc.

b. BASF Corporation; Construction Systems.

c. ChemMasters, Inc.

d. Cresset Chemical Company.

e. Dayton Superior.

f. Euclid Chemical Company (The); an RPM company.

g. Kaufman Products, Inc.

h. L&M Construction Chemicals, Inc.

i. Lambert Corporation.

j. Metalcrete Industries.

k. Nox-Crete Products Group.

http://www.specagent.com/Lookup?ulid=11026 http://www.specagent.com/Lookup?uid=123456999370 http://www.specagent.com/Lookup?uid=123456999383 http://www.specagent.com/Lookup?uid=123456999371 http://www.specagent.com/Lookup?uid=123456999372 http://www.specagent.com/Lookup?uid=123456999373 http://www.specagent.com/Lookup?uid=123456999374 http://www.specagent.com/Lookup?uid=123456999375 http://www.specagent.com/Lookup?uid=123456999376 http://www.specagent.com/Lookup?uid=123456999378 http://www.specagent.com/Lookup?uid=123456999384 http://www.specagent.com/Lookup?uid=123456999379 http://www.specagent.com/Lookup?uid=123456999381 http://www.specagent.com/Lookup?uid=123456999382 http://www.specagent.com/Lookup?uid=123456999377 http://www.specagent.com/Lookup?ulid=11027 http://www.specagent.com/Lookup?uid=123456999205 http://www.specagent.com/Lookup?uid=123456999206 http://www.specagent.com/Lookup?uid=123456999207 http://www.specagent.com/Lookup?uid=123456999218 http://www.specagent.com/Lookup?uid=123456999208 http://www.specagent.com/Lookup?uid=123456999209 http://www.specagent.com/Lookup?uid=123456999210 http://www.specagent.com/Lookup?uid=123456999211 http://www.specagent.com/Lookup?uid=123456999212 http://www.specagent.com/Lookup?uid=123456999219 http://www.specagent.com/Lookup?uid=123456999214

Korpela to Wakefield Stateline Grade 03 30 00 - Page 7 of 14 Extension Culvert & Bridge Replacement 3/27/2020

l. SpecChem, LLC.

m. TK Products.

n. Vexcon Chemicals Inc.

o. W. R. Meadows, Inc.

G. Clear, Waterborne, Membrane-Forming Curing Compound: ASTM C 309, Type 1, Class B, 18 to 25 percent solids, nondissipating.

1. Manufacturers: Subject to compliance with requirements, provide products by one of the following:

a. AWRC Corporation.

b. BASF Corporation; Construction Systems.

c. ChemMasters, Inc.

d. Euclid Chemical Company (The); an RPM company.

e. L&M Construction Chemicals, Inc.

f. Lambert Corporation.

g. Metalcrete Industries.

h. Nox-Crete Products Group.

i. SpecChem, LLC.

j. Vexcon Chemicals Inc.

k. W. R. Meadows, Inc.

H. Clear, Solvent-Borne, Membrane-Forming Curing and Sealing Compound: ASTM C 1315, Type 1, Class A.

1. Manufacturers: Subject to compliance with requirements, provide products by one of the following:

a. BASF Corporation; Construction Systems.

b. ChemMasters, Inc.

c. Dayton Superior.

d. Euclid Chemical Company (The); an RPM company.

e. Kaufman Products, Inc.

f. L&M Construction Chemicals, Inc.

g. Lambert Corporation.

h. Metalcrete Industries.

i. Nox-Crete Products Group.

j. Right Pointe.

k. SpecChem, LLC.

l. TK Products.

m. Vexcon Chemicals Inc.

n. W. R. Meadows, Inc

I. Clear, Waterborne, Membrane-Forming Curing and Sealing Compound: ASTM C 1315, Type 1, Class A.

1. Manufacturers: Subject to compliance with requirements, provide products by one of the following:

a. AWRC Corporation.

b. BASF Corporation; Construction Systems.

c. ChemMasters, Inc.

d. Dayton Superior.

e. Euclid Chemical Company (The); an RPM company.

f. Kaufman Products, Inc.

g. L&M Construction Chemicals, Inc.

h. Lambert Corporation.

i. Metalcrete Industries.

http://www.specagent.com/Lookup?uid=123456999220 http://www.specagent.com/Lookup?uid=123456999216 http://www.specagent.com/Lookup?uid=123456999217 http://www.specagent.com/Lookup?uid=123456999213 http://www.specagent.com/Lookup?ulid=11028 http://www.specagent.com/Lookup?uid=123457018918 http://www.specagent.com/Lookup?uid=123456999221 http://www.specagent.com/Lookup?uid=123456999222 http://www.specagent.com/Lookup?uid=123456999224 http://www.specagent.com/Lookup?uid=123456999226 http://www.specagent.com/Lookup?uid=123456999227 http://www.specagent.com/Lookup?uid=123456999229 http://www.specagent.com/Lookup?uid=123456999230 http://www.specagent.com/Lookup?uid=123456999233 http://www.specagent.com/Lookup?uid=123456999232 http://www.specagent.com/Lookup?uid=123456999228 http://www.specagent.com/Lookup?ulid=1187 http://www.specagent.com/Lookup?uid=123456999139 http://www.specagent.com/Lookup?uid=123456999140 http://www.specagent.com/Lookup?uid=123456999141 http://www.specagent.com/Lookup?uid=123456999145 http://www.specagent.com/Lookup?uid=123456999146 http://www.specagent.com/Lookup?uid=123456999142 http://www.specagent.com/Lookup?uid=123456999147 http://www.specagent.com/Lookup?uid=123456999144 http://www.specagent.com/Lookup?uid=123456999152 http://www.specagent.com/Lookup?uid=123456999148 http://www.specagent.com/Lookup?uid=123456999150 http://www.specagent.com/Lookup?uid=123456999151 http://www.specagent.com/Lookup?uid=123456999149 http://www.specagent.com/Lookup?uid=123456999143 http://www.specagent.com/Lookup?ulid=1189 http://www.specagent.com/Lookup?uid=123457014062 http://www.specagent.com/Lookup?uid=123456999159 http://www.specagent.com/Lookup?uid=123456999153 http://www.specagent.com/Lookup?uid=123456999154 http://www.specagent.com/Lookup?uid=123456999155 http://www.specagent.com/Lookup?uid=123456999156 http://www.specagent.com/Lookup?uid=123456999158 http://www.specagent.com/Lookup?uid=123456999157 http://www.specagent.com/Lookup?uid=123456999161

Korpela to Wakefield Stateline Grade 03 30 00 - Page 8 of 14 Extension Culvert & Bridge Replacement 3/27/2020

j. Right Pointe.

k. SpecChem, LLC.

l. TK Products.

m. Vexcon Chemicals Inc.

n. W. R. Meadows, Inc.

2.8 RELATED MATERIALS

A. Expansion- and Isolation-Joint-Filler Strips: ASTM D 1751, asphalt-saturated cellulosic fiber.

2.9 CONCRETE MIXTURES, GENERAL

A. Prepare design mixtures for each type and strength of concrete, proportioned on the basis of laboratory trial mixture or field test data, or both, according to ACI 301..

1. Use a qualified independent testing agency for preparing and reporting proposed mixture designs based on laboratory trial mixtures.

B. Cementitious Materials: Use fly ash, pozzolan, slag cement, and silica fume as needed to reduce the total amount of portland cement, which would otherwise be used, by not less than 40 percent.

C. Admixtures: Use admixtures according to manufacturer's written instructions.

1. Use water-reducing high-range water-reducing or plasticizing admixture in concrete, as required, for placement and workability.

2. Use water-reducing and -retarding admixture when required by high temperatures, low humidity, or other adverse placement conditions.

2.10 CONCRETE MIXTURES

A. Normal-Weight Concrete (includes structural concrete in walls, slabs and footings):

1. Minimum Compressive Strength: 4,000 psi at 28 days.

2. Maximum W/C Ratio: 0.42.

3. Slump Limit (Cast-in-place concrete): 5 inches, plus or minus 1 inch.

4. Slump Limit (Precast concrete): Per the manufacturer.

5. Air Content: 5.5 percent, plus or minus 1.5 percent at point of delivery for 1-1/2-inch nominal maximum aggregate size.

6. Air Content: 6 percent, plus or minus 1.5 percent at point of delivery for 3/4-inch nominal maximum aggregate size.

2.11 CONCRETE MIXTURES FOR STRUCTURAL ELEMENTS

A. Normal-weight concrete.

1. Minimum Compressive Strength: 4500 psi at 28 days.

2. Maximum W/C Ratio: 0.45.

3. Slump Limit: 4 inches, plus or minus 1 inch.

http://www.specagent.com/Lookup?uid=123456999162 http://www.specagent.com/Lookup?uid=123456999165 http://www.specagent.com/Lookup?uid=123456999166 http://www.specagent.com/Lookup?uid=123456999164 http://www.specagent.com/Lookup?uid=123456999160

Korpela to Wakefield Stateline Grade 03 30 00 - Page 9 of 14 Extension Culvert & Bridge Replacement 3/27/2020

4. Air Content: 5.5 percent, plus or minus 1.5 percent at point of delivery for 1-1/2-inch nominal maximum aggregate size.

2.12 FABRICATING REINFORCEMENT

A. Fabricate steel reinforcement according to CRSI's "Manual of Standard Practice."

2.13 CONCRETE MIXING

A. Ready-Mixed Concrete: Measure, batch, mix, and deliver concrete according to ASTM C 94/C 94M and ASTM C 1116/C 1116M, and furnish batch ticket information.

1. When air temperature is between 85 and 90 deg F, reduce mixing and delivery time from 1-1/2 hours to 75 minutes; when air temperature is above 90 deg , reduce mixing and delivery time to 60 minutes.

PART 3 - EXECUTION

3.1 FORMWORK INSTALLATION

A. Design, erect, shore, brace, and maintain formwork, according to ACI 301 to support vertical, lateral, static, and dynamic loads, and construction loads that might be applied, until structure can support such loads.

B. Construct formwork so concrete members and structures are of size, shape, alignment, elevation, and position indicated, within tolerance limits of ACI 117.

C. Limit concrete surface irregularities, designated by ACI 347 as abrupt or gradual, as follows:

1. Class A, 1/8 inch for smooth-formed finished surfaces.

D. Construct forms tight enough to prevent loss of concrete mortar.

E. Construct forms for easy removal without hammering or prying against concrete surfaces.

Provide crush or wrecking plates where stripping may damage cast-concrete surfaces. Provide top forms for inclined surfaces steeper than 1.5 horizontal to 1 vertical.

1. Install keyways, reglets, recesses, and the like, for easy removal.

2. Do not use rust-stained steel form-facing material.

F. Set edge forms, bulkheads, and intermediate screed strips for slabs to achieve required elevations and slopes in finished concrete surfaces. Provide and secure units to support screed strips; use strike-off templates or compacting-type screeds.

G. Chamfer exterior corners and edges of permanently exposed concrete.

H. Retighten forms and bracing before placing concrete, as required, to prevent mortar leaks and maintain proper alignment.

Korpela to Wakefield Stateline Grade 03 30 00 - Page 10 of 14 Extension Culvert & Bridge Replacement 3/27/2020

I. Coat contact surfaces of forms with form-release agent, according to manufacturer's written instructions, before placing reinforcement.

3.2 EMBEDDED ITEM INSTALLATION

A. Place and secure anchorage devices and other embedded items required for adjoining work that is attached to or supported by cast-in-place concrete. Use setting drawings, templates, diagrams, instructions, and directions furnished with items to be embedded.

1. Install anchor rods, accurately located, to elevations required and complying with tolerances in Section 7.5 of AISC 303.

2. Install reglets to receive waterproofing and to receive through-wall flashings in outer face of concrete frame at exterior walls, where flashing is shown at lintels, shelf angles, and other conditions.

3. Install dovetail anchor slots in concrete structures as indicated.

4. Install embedded anchor plates, accurately located, to elevations and spacing required, and complying with tolerances indicated in structural drawings.

3.3 STEEL REINFORCEMENT INSTALLATION

A. General: Comply with CRSI's "Manual of Standard Practice" for fabricating, placing, and supporting reinforcement.

3.4 JOINTS

A. General: Construct joints true to line with faces perpendicular to surface plane of concrete.

B. Construction Joints: Install so strength and appearance of concrete are not impaired, at locations indicated or as approved by Engineer. If not shown, place joints are intervals not exceeding 25’. For joints in water-containing structures or tanks or occupied spaces below maximum known groundwater elevations, use watertight joints.

C. Isolation Joints in Slabs-on-Grade: After removing formwork, install joint-filler strips at slab junctions with vertical surfaces, such as foundation walls and other locations, as indicated.

3.5 WATERSTOP INSTALLATION

A. Flexible Waterstops: Install in construction joints and at other joints indicated to form a continuous diaphragm. Install in longest lengths practicable. Support and protect exposed waterstops during progress of the Work. Field fabricate joints in waterstops according to manufacturer's written instructions.

B. Self-Expanding Strip Waterstops: Install in construction joints and at other locations indicated, according to manufacturer's written instructions, adhesive bonding, mechanically fastening, and firmly pressing into place. Install in longest lengths practicable.

Korpela to Wakefield Stateline Grade 03 30 00 - Page 11 of 14 Extension Culvert & Bridge Replacement 3/27/2020

3.6 CONCRETE PLACEMENT

A. Before placing concrete, verify that installation of formwork, reinforcement, and embedded items is complete and that required inspections are completed.

B. Do not add water to concrete during delivery, at Project site, or during placement unless approved by Engineer.

C. Before test sampling and placing concrete, water may be added at Project site, subject to limitations of ACI 301.

1. Do not add water to concrete after adding high-range water-reducing admixtures to mixture.

D. Deposit concrete continuously in one layer or in horizontal layers of such thickness that no new concrete is placed on concrete that has hardened enough to cause seams or planes of weakness. If a section cannot be placed continuously, provide construction joints as indicated.

Deposit concrete to avoid segregation.

1. Consolidate placed concrete with mechanical vibrating equipment according to ACI 301.

3.7 FINISHING FORMED SURFACES

A. Rough-Formed Finish: As-cast concrete texture imparted by form-facing material with tie holes and defects repaired and patched. Remove fins and other projections that exceed specified limits on formed-surface irregularities.

1. Apply to concrete surfaces not exposed to public view.

B. Smooth-Formed Finish: As-cast concrete texture imparted by form-facing material, arranged in an orderly and symmetrical manner with a minimum of seams. Repair and patch tie holes and defects. Remove fins and other projections that exceed specified limits on formed-surface irregularities.

1. Apply to concrete surfaces exposed to public view,.

C. Related Unformed Surfaces: At tops of walls, horizontal offsets, and similar unformed surfaces adjacent to formed surfaces, strike off smooth and finish with a texture matching adjacent formed surfaces. Continue final surface treatment of formed surfaces uniformly across adjacent unformed surfaces unless otherwise indicated.

3.8 MISCELLANEOUS CONCRETE ITEM INSTALLATION

A. Filling In: Fill in holes and openings left in concrete structures after work of other trades is in place unless otherwise indicated. Mix, place, and cure concrete, as specified, to blend with in-place construction. Provide other miscellaneous concrete filling indicated or required to complete the Work.

Korpela to Wakefield Stateline Grade 03 30 00 - Page 12 of 14 Extension Culvert & Bridge Replacement 3/27/2020

3.9 CONCRETE PROTECTING AND CURING

A. General: Protect freshly placed concrete from premature drying and excessive cold or hot temperatures. Comply with ACI 306.1 for cold-weather protection and ACI 301for hot-weather protection during curing.

B. Evaporation Retarder: Apply evaporation retarder to unformed concrete surfaces if hot, dry, or windy conditions cause moisture loss approaching 0.2 lb/sq. ft. x h before and during finishing operations. Apply according to manufacturer's written instructions after placing, screeding, and bull floating or darbying concrete, but before float finishing.

C. Formed Surfaces: Cure formed concrete surfaces, including underside of beams, supported slabs, and other similar surfaces. If forms remain during curing period, moist cure after loosening forms. If removing forms before end of curing period, continue curing for remainder of curing period.

D. Unformed Surfaces: Begin curing immediately after finishing concrete. Cure unformed surfaces, including floors and slabs, concrete floor toppings, and other surfaces.

E. Cure concrete according to ACI 308.1, by one or a combination of the following methods:

1. Moisture Curing: Keep surfaces continuously moist for not less than seven days with the following materials:

a. Water.

b. Continuous water-fog spray.

c. Absorptive cover, water saturated, and kept continuously wet. Cover concrete surfaces and edges with 12-inchap over adjacent absorptive covers.

2. Moisture-Retaining-Cover Curing: Cover concrete surfaces with moisture-retaining cover for curing concrete, placed in widest practicable width, with sides and ends lapped at least 12 inches and sealed by waterproof tape or adhesive. Cure for not less than seven days. Immediately repair any holes or tears during curing period, using cover material and waterproof tape.

a. Moisture cure or use moisture-retaining covers to cure concrete surfaces to receive floor coverings.

b. Moisture cure or use moisture-retaining covers to cure concrete surfaces to receive penetrating liquid floor treatments.

c. Cure concrete surfaces to receive floor coverings with either a moisture-retaining cover or a curing compound that the manufacturer certifies does not interfere with bonding of floor covering used on Project.

3. Curing Compound: Apply uniformly in continuous operation by power spray or roller according to manufacturer's written instructions. Recoat areas subjected to heavy rainfall within three hours after initial application. Maintain continuity of coating and repair damage during curing period.

4. Curing and Sealing Compound: Apply uniformly to floors and slabs indicated in a continuous operation by power spray or roller according to manufacturer's written instructions. Recoat areas subjected to heavy rainfall within three hours after initial application. Repeat process 24 hours later and apply a second coat. Maintain continuity of coating and repair damage during curing period.

Korpela to Wakefield Stateline Grade 03 30 00 - Page 13 of 14 Extension Culvert & Bridge Replacement 3/27/2020

3.10 JOINT FILLING

A. Prepare, clean, and install joint filler according to manufacturer's written instructions.

1. Defer joint filling until concrete has aged at least one month(s). Do not fill joints until construction traffic has permanently ceased.

B. Remove dirt, debris, saw cuttings, curing compounds, and sealers from joints; leave contact faces of joints clean and dry.

C. Install semirigid joint filler full depth in saw-cut joints and at least 2 inches deep in formed joints.

Overfill joint and trim joint filler flush with top of joint after hardening.

3.11 CONCRETE SURFACE REPAIRS

A. Defective Concrete: Repair and patch defective areas when approved by Engineer. Remove and replace concrete that cannot be repaired and patched to Engineer's approval.

3.12 FIELD QUALITY CONTROL

A. Testing Agency: Engage a qualified testing and inspecting agency to perform tests and inspections and to submit reports.

B. Inspections:

1. Steel reinforcement placement.

2. Steel reinforcement welding.

3. Headed bolts and studs.

4. Verification of use of required design mixture.

5. Concrete placement, including conveying and depositing.

6. Curing procedures and maintenance of curing temperature.

7. Verification of concrete strength before removal of shores and forms from beams and slabs.

C. Concrete Tests: Testing of composite samples of fresh concrete obtained according to ASTM C 172/C 172M shall be performed according to the following requirements:

1. Testing Frequency: Obtain one composite sample for each day's pour of each concrete mixture exceeding 5 cu. yd., but less than 25 cu. yd., plus one set for each additional 50

cu. yd. or fraction thereof.

2. Testing Frequency: Obtain at least one composite sample for each 100 cu. yd. or fraction thereof of each concrete mixture placed each day.

a. When frequency of testing provides fewer than five compressive-strength tests for each concrete mixture, testing shall be conducted from at least five randomly selected batches or from each batch if fewer than five are used.

3. Slump: ASTM C 143/C 143M; one test at point of placement for each composite sample, but not less than one test for each day's pour of each concrete mixture. Perform additional tests when concrete consistency appears to change.

Korpela to Wakefield Stateline Grade 03 30 00 - Page 14 of 14 Extension Culvert & Bridge Replacement 3/27/2020

4. Air Content: ASTM C 231/C 231M, pressure method, for normal-weight concrete;

ASTM C 173/C 173M, volumetric method, for structural lightweight concrete; one test for each composite sample, but not less than one test for each day's pour of each concrete mixture.

5. Concrete Temperature: ASTM C 1064/C 1064M; one test hourly when air temperature is 40 deg F and below or 80 deg F and above, and one test for each composite sample.

6. Unit Weight: ASTM C 567/C 567M, fresh unit weight of structural lightweight concrete;

one test for each composite sample, but not less than one test for each day's pour of each concrete mixture.

7. Compression Test Specimens: ASTM C 31/C 31M.

a. Cast and laboratory cure two sets of two standard cylinder specimens for each composite sample.

b. Cast and field cure two sets of two standard cylinder specimens for each composite sample.

8. Compressive-Strength Tests: ASTM C 39/C 39M; test one set of two laboratory-cured specimens at 7 days and one set of two specimens at 28 days.

a. A compressive-strength test shall be the average compressive strength from a set of two specimens obtained from same composite sample and tested at age indicated.

9. When strength of field-cured cylinders is less than 85 percent of companion laboratory-cured cylinders, Contractor shall evaluate operations and provide corrective procedures for protecting and curing in-place concrete.

10. Strength of each concrete mixture will be satisfactory if every average of any three consecutive compressive-strength tests equals or exceeds specified compressive strength and no compressive-strength test value falls below specified compressive strength by more than 500 psi.

11. Test results shall be reported in writing to Engineer, concrete manufacturer, and Contractor within 48 hours of testing. Reports of compressive-strength tests shall contain Project identification name and number, date of concrete placement, name of concrete testing and inspecting agency, location of concrete batch in Work, design compressive strength at 28 days, concrete mixture proportions and materials, compressive breaking strength, and type of break for both 7- and 28-day tests.

12. Nondestructive Testing: Impact hammer, sonoscope, or other nondestructive device may be permitted by Engineer but will not be used as sole basis for approval or rejection of concrete.

13. Additional Tests: Testing and inspecting agency shall make additional tests of concrete when test results indicate that slump, air entrainment, compressive strengths, or other requirements have not been met, as directed by Engineer. Testing and inspecting agency may conduct tests to determine adequacy of concrete by cored cylinders complying with ASTM C 42/C 42M or by other methods as directed by Engineer.

14. Additional testing and inspecting, at Contractor's expense, will be performed to determine compliance of replaced or additional work with specified requirements.

15. Correct deficiencies in the Work that test reports and inspections indicate do not comply with the Contract Documents.

END OF SECTION 03 30 00

DTMB/DNR PRECAST STRUCTURAL CONCRETE

Korpela to Wakefield Stateline Grade 03 41 00 - Page 1 of 16 Extension Culvert and Bridge Replacement 3/27/2020 File #751/20089.JBB Index #5100

SECTION 03 41 00 - PRECAST STRUCTURAL CONCRETE

1.1 RELATED DOCUMENTS

A. Drawings and general provisions of the Contract, including General and Supplementary Conditions and Division 01 Specification Sections, apply to this Section.

B. Michigan Department of Transportation 2012 Standard Specifications for Construction

1. Other than measurement and payment. See DTMB specification section 01025

Measurement and Payment.

1.2 SUMMARY

A. Section Includes:

1. Precast structural concrete for substructure.

2. Precast prestressed concrete for deck.

3. Reinforcement Bars.

4. Lifting Devices

5. Surface Treatment

B. Related Requirements:

1. Section 051200 "Structural Steel Framing" for furnishing and installing connections attached to structural-steel framing.

2. Section 312000 “Earth Moving” for furnishing and installing backfill.

3. Section 323234.1 “Geosynthetic Reinforced Soil Abutment” for foundation and testing requirements of backfill.

1.3 DESIGN REQUIREMENTS

A. Design of Prestressed Units: By manufacturer.

B. Design Loads: Indicated on the Drawings.

C. Conform to sections 706 and 708 of the Standard Specifications for Construction.

D. Plant Certification: Use plants certified according to the Prestressed Concrete Institute (PCI) for Precast Bridge Products, Category B1 or the National Precast Concrete Association (NPCA).

E. Design procedure and allowable stresses shall conform to the loading and code requirements called out in the project drawings.

F. Deviations from details shown on the Drawings or from the specifications, when such deviations are of a minor nature, may be accepted by the Engineer in order to accept the approved

Korpela to Wakefield Stateline Grade 03 41 00 - Page 2 of 16 Extension Culvert and Bridge Replacement 3/27/2020 manufacturer’s product. Any additional cost due to such deviations accepted by the Engineer shall be borne solely on the Contractor.

1.4 PREINSTALLATION MEETINGS

A. Preinstallation Conference: Conduct conference at Project site. The conference shall cover a minimum of the following topics:

1. Bridge setting and temporary supports.

2. Duration of lifting operations.

3. Review of lifting operations.

1.5 ACTION SUBMITTALS

A. Product Data: For each type of product.

B. Submittal Package: Submit the shop drawing, working drawings, and design data specified below at the same time as a package.

C. Design Mixtures: For each precast concrete mixture. Include compressive strength and, if required, water-absorption tests. Concrete mixture shall meet requirements of Section 708 of the 2012 Standard Specifications for Construction.

D. Shop Drawings:

1. Include member locations, plans, elevations, dimensions, shapes and sections, openings, support conditions, and types of reinforcement, including special reinforcement.

2. Detail fabrication and installation of precast structural concrete units, including connections at member ends and to adjoining construction.

3. Indicate joints, reveals, drips, chamfers, and extent and location of each surface finish.

4. Indicate separate face and backup mixture locations and thicknesses.

5. Indicate type, size, and length of welded connections by AWS standard symbols.

6. Detail loose and cast-in hardware, lifting and erection inserts, connections, and joints.

7. Indicate locations, tolerances, and details of anchorage devices to be embedded in or attached to structure or other construction.

8. Include and locate openings larger than 10 inches. Where additional structural support is required, include header design.

9. Indicate location of each precast structural concrete unit by same identification mark placed on panel.

10. Indicate relationship of precast structural concrete units to adjacent materials.

11. Indicate shim sizes and grouting sequence.

12. If design modifications are proposed to meet performance requirements and field conditions, submit design calculations and Shop Drawings. Do not adversely affect the appearance, durability, or strength of units when modifying details or materials and maintain the general design concept.

13. Must include erection details including details for the lifting hardware and adjustment procedures.

14. Contractor is responsible for the arrangement of lifting and handling devices, in addition to any supplemental epoxy coated reinforcement for handling, transportation, erection and operation. Calculations for supplemental reinforcement for handling, transportation, erection and operation must be submitted to the Engineer for approval.

Korpela to Wakefield Stateline Grade 03 41 00 - Page 3 of 16 Extension Culvert and Bridge Replacement 3/27/2020

E. Delegated-Design Submittal: For precast structural concrete indicated to comply with performance requirements and design criteria, including analysis data signed and sealed by the qualified professional engineer licensed in the State of Michigan responsible for their preparation.

1. Show precast structural concrete unit types, connections, types of reinforcement, including special reinforcement, and concrete cover on reinforcement. Indicate location, type, magnitude, and direction of loads imposed on the building structural frame from precast structural concrete.

1.6 INFORMATIONAL SUBMITTALS

A. Qualification Data: For Installer, fabricator, and testing agency.

B. Welding certificates.

C. Material Certificates: For the following:

1. Cementitious materials.

2. Reinforcing materials and prestressing tendons.

3. Admixtures.

4. Bearing pads.

5. Insulation.

6. Structural-steel shapes, hollow structural sections, embedded steel inserts.

D. Material Test Reports: For aggregates, by a qualified testing agency.

E. Preconstruction test reports.

F. Source quality-control reports.

G. Field quality-control and special inspection reports.

1.7 QUALITY ASSURANCE

A. Fabricator Qualifications: A firm that assumes responsibility for engineering precast structural concrete units to comply with performance requirements. Responsibility includes preparation of Shop Drawings and comprehensive engineering analysis by a qualified professional engineer.

1. Designated as a PCI or NPCA certified plant. Plant to provide documentation of certification.

B. Installer Qualifications: An experienced precast concrete erector who has retained a "PCI- Certified Field Auditor" to conduct a field audit of a project installed by erector in Category S1 - Simple Structural Systems and who can produce an Erectors' Post Audit Declaration, according to PCI MNL 127, "PCI Erector's Manual - Standards and Guidelines for the Erection of Precast Concrete Products."

C. Testing Agency Qualifications: Qualified according to ASTM C1077 and ASTM E329 for testing indicated.

Korpela to Wakefield Stateline Grade 03 41 00 - Page 4 of 16 Extension Culvert and Bridge Replacement 3/27/2020

D. Quality-Control Standard: For manufacturing procedures, testing requirements, and quality-control recommendations for types of units required, comply with PCI MNL 116, "Manual for Quality Control for Plants and Production of Structural Precast Concrete Products."

E. Welding Qualifications: Qualify procedures and personnel according to the following:

1. AWS D1.1/D1.1M, "Structural Welding Code - Steel."

2. AWS D1.4/D1.4M, "Structural Welding Code - Reinforcing Steel."

1.8 COORDINATION

A. Furnish loose connection hardware and anchorage items to be embedded in or attached to other construction before starting that Work. Provide locations, setting diagrams, templates, instructions, and directions, as required, for installation.

1.9 DELIVERY, STORAGE, AND HANDLING

A. Support units during shipment on nonstaining shock-absorbing material in same position as during storage.

B. Store units with adequate bracing and protect units to prevent contact with soil, to prevent staining, and to prevent cracking, distortion, warping or other physical damage.

1. Store units with dunnage across full width of each bearing point unless otherwise indicated.

2. Place adequate dunnage of even thickness between each unit.

3. Place stored units so identification marks are clearly visible, and units can be inspected.

C. Handle and transport units in a manner that avoids excessive stresses that cause cracking or damage.

1. Use embedded inserts and erection devices with a pullout strength at least equal to four times the actual weight lifted. Use the following load multipliers to account for stripping, transportation, handling and erection:

a. Stripping and Transportation: 1.5.

b. Yard Handling and Erection: 1.7.

D. Lift and support units only at designated points indicated on Shop Drawings.

PART 2 - PRODUCTS

2.1 MANUFACTURERS

A. Manufacturers: Subject to compliance with requirements, and must provide a design sealed by a Michigan Professional Engineer to meet the loading required, including prestressing.

http://www.specagent.com/LookUp/?ulid=11035&mf=04&src=wd

Korpela to Wakefield Stateline Grade 03 41 00 - Page 5 of 16 Extension Culvert and Bridge Replacement 3/27/2020

2.2 PERFORMANCE REQUIREMENTS

A. Delegated Design: Engage a qualified professional engineer to design precast structural concrete units.

B. Design Standards: Comply with ACI 318 (ACI 318M) and with design recommendations in PCI MNL 120, "PCI Design Handbook - Precast and Prestressed Concrete," applicable to types of precast structural concrete units indicated.

C. Fire-Resistance Calculations: Where indicated, provide precast structural concrete units whose fire resistance meets prescriptive requirements of authorities having jurisdiction or has been calculated according to ACI 216.1 (ACI 216.1M) and is acceptable to authorities having jurisdiction.

D. Structural Performance: Precast structural concrete units and connections shall withstand design loads indicated within limits and under conditions indicated.

1. Design precast structural concrete framing system and connections to maintain clearances at openings, to allow for fabrication and construction tolerances, to accommodate live-load deflection, shrinkage and creep of primary building structure, and other building movements. Maintain precast structural concrete deflections within limits of ACI 318

(ACI 318M).

a. Thermal Movements: Allow for in-plane thermal movements resulting from annual ambient temperature changes of minus 18 to plus 120 deg F (minus 10 to plus 67 deg C).

2. Fire-Resistance Rating: Select material and minimum thicknesses to provide indicated fire rating.

2.3 MOLD MATERIALS

A. Forms: Use Metal forms. Ensure forms meet the requirements of subsection 706.03.D of the 2012 Standard Specifications for Construction.

1. Wood forms may be used for bulkheads if desired.

2.4 REINFORCING MATERIALS

A. Provide reinforcement in accordance with the requirements listed in section 905 of the 2012 Standard Specifications for Construction.

2.5 PRESTRESSING TENDONS

A. Pretensioning Strand: As required by the design loading. Plans to show grade of prestressing strands, locations of strands, size and location of any reinforcing steel, and plans shall be sealed by a Professional Engineer licensed in the State of Michigan.

B. Post-Tensioning Bars: ASTM A722/A722M, uncoated high-strength steel bar.

Korpela to Wakefield Stateline Grade 03 41 00 - Page 6 of 16 Extension Culvert and Bridge Replacement 3/27/2020

2.6 CONCRETE MATERIALS

A. Provide concrete in accordance with the requirements listed in section 708 of the 2012 Standard Specifications for Construction. The concrete compressive strength must meet requirements as shown on the plans.

2.7 STEEL CONNECTION MATERIALS

A. Carbon-Steel Shapes and Plates: ASTM A36/A36M.

B. Carbon-Steel-Headed Studs: ASTM A108, Grade 1010 through 1020, cold finished, AWS D1.1/D1.1M, Type A or B, with arc shields and with minimum mechanical properties of

PCI MNL 116.

C. Carbon-Steel Plate: ASTM A283/A283M, Grade C.

D. Malleable-Iron Castings: ASTM A47/A47M, Grade 32510 or Grade 35028.

E. Carbon-Steel Castings: ASTM A27/A27M, Grade 60-30 (Grade 415-205).

F. High-Strength, Low-Alloy Structural Steel: ASTM A572/A572M.

G. Carbon-Steel Structural Tubing: ASTM A500/A500M, Grade B or Grade C.

H. Wrought Carbon-Steel Bars: ASTM A675/A675M, Grade 65 (Grade 450).

I. Deformed-Steel Wire or Bar Anchors: ASTM A496/A496M or ASTM A706/A706M.

J. Carbon-Steel Bolts and Studs: ASTM A307, Grade A (ASTM F568M, Property Class 4.6);

carbon-steel, hex-head bolts and studs; carbon-steel nuts, ASTM A563 (ASTM A563M); and flat, unhardened steel washers, ASTM F844.

K. Shop-Primed Finish: Prepare surfaces of nongalvanized-steel items, except those surfaces to be embedded in concrete, according to requirements in SSPC-SP 3, and shop apply lead- and chromate-free, rust-inhibitive primer, complying with performance requirements in MPI 79 according to SSPC-PA 1.

L. Welding Electrodes: Comply with AWS standards.

M. Precast…