B08_Att_1_ZION_240182-EV_Specifications_FINAL.pdf

ISSUED FOR CONSTRUCTION, 6/3/2024

ZION NATIONAL PARK

Washington County, Utah

South Entrance and Visitor Center Road Rehabilitation – Early Works EV Package

ZION 240182

VOLUME 2

DIVISION 03-32 PROJECT SPECIFICATIONS

100% Final CDs Submittal July 26, 2024

NATIONAL PARK SERVICE (NPS)

DENVER SERVICE CENTER (DSC)

TABLE OF CONTENTS

DIVISION 03 - CONCRETE

03 30 00 CONCRETE

DIVISION 07 – THERMAL AND MOISTURE PROTECTION

07 10 00 WATERPROOFING MEMBRANE

DIVISION 26 - ELECTRICAL

26 05 00 ELECTRICAL – BASIC REQUIREMENTS

26 05 19 WIRE AND CABLE – 1000 VOLD AND BELOW

26 05 26 GROUNDING AND BONDING

26 05 33 RACEWAYS AND BOXES

26 05 43 ELECTRICAL – EXTERIOR UNDERGROUND

26 08 13 ACCEPTANCE TESTING

26 24 13 SWITCHBOARDS

26 28 00 OVERCURRENT AND SHORT CIRCUIT PROTECTIVE DEVICES

26 32 15 ENGINE GENERATOR – PROPANE

26 36 00 TRANSFER SWITCHES

26 43 13 SURGE PROTECTION DEVICES FOR LOW-VOLTAGE ELECTRICAL POWER

CIRCUITS

DIVISION 31 - EARTHWORK

31 10 00 SITE CLEARING

31 23 10 EXCAVATION AND BACKFILL

31 23 33 TRENCHING, BACKFILLING, AND COMPACTING FOR UTILITIES

31 25 00 EROSION AND SEDIMENT CONTROL

31 32 19 GEOTEXTILES

31 37 00 RIPRAP

DIVISION 32 – EXTERIOR IMPROVEMENTS

32 12 16 ASPHALT PAVING

Pages or Specifications divisions or sections covered by this seal:

Divisions 31, 32

07/26/2024 Michael Flick

I hereby certify that the portion of the Specifications described below was prepared by me or under my direct supervision and that I am a duly registered Professional

Engineer under the laws of the State of Utah.

Pages or Specifications divisions or sections covered by this seal:

Divisions 03, 07

07/26/2024 Michael Doyle

I hereby certify that the portion of the Specifications described below was prepared by me or under my direct supervision and that I am a duly registered Professional

Engineer under the laws of the State of Utah.

Pages or Specifications divisions or sections covered by this seal:

Division 26

07/26/2024 Alexander Mancini

I hereby certify that the portion of the Specifications described below was prepared by me or under my direct supervision and that I am a duly registered Professional

Engineer under the laws of the State of Utah.

SEALS AND SIGNATURES - VOLUME 2

It is a violation of applicable laws and regulations governing professional licensing and registration for any person, unless acting under the direction of the licensed and registered design professional(s) indicated above, to alter in any way the Specifications in this project manual.

END OF SEALS AND SIGNATURES

07/26/2024

No. 12890621

MICHAEL

FLICK

07/26/2024

07/26/2024

No. 13153174

ALEXANDER

DANIEL MANCINI

ZION 240182 03 30 00 - 1

CONCRETE

SECTION 03 30 00 – CONCRETE

PART 1 - GENERAL

1.1 SUMMARY

A. Section Includes:

1. Cast-in-place concrete, and grout.

B. Related Specification Sections include but are not necessarily limited to:

1. Division 00 - Procurement and Contracting Requirements.

2. Division 01 - General Requirements. Furnish all labor, material and equipment necessary to complete the work according to the contract.

1.2 QUALITY ASSURANCE

A. Referenced Standards:

1. American Concrete Institute (ACI):

a. 117, Specification for Tolerances for Concrete Construction and Materials.

b. 211.1, Standard Practice for Selecting Proportions for Normal, Heavyweight and Mass Concrete.

c. 212.3R, Chemical Admixtures for Concrete.

d. 304R, Guide for Measuring, Mixing, Transporting, and Placing Concrete.

e. 304.2R, Placing Concrete by Pumping Methods.

f. 305.1, Hot Weather Concreting.

g. 306.1, Cold Weather Concreting.

h. 318, Building Code Requirements for Structural Concrete.

i. 347, Guide to Formwork for Concrete.

j. CT-13, Concrete Terminology.

2. FHWA Standard Specifications for Construction of Roads and Bridges on Federal

Highway Projects (FP-14)

3. Standard Specifications for State DOT where the work is performed

4. ASTM International (ASTM):

a. A82, Standard Specification for Steel Wire, Plain, for Concrete

Reinforcement.

b. A615, Standard Specification for Deformed and Plain Carbon-Steel Bars for

Concrete Reinforcement.

c. A775, Standard Specification for Epoxy-Coated Steel Reinforcing Bars.

d. C31, Standard Practice for Making and Curing Concrete Test Specimens in the Field.

e. C33, Standard Specification for Concrete Aggregates.

ZION 240182 03 30 00 - 2

CONCRETE

f. C39, Standard Test Method for Compressive Strength of Cylindrical

Concrete Specimens.

g. C94/C94M, Standard Specification for Ready-Mixed Concrete.

h. C138, Standard Method of Test for Density (Unit Weight), Yield, and Air

Content (Gravimetric) of Concrete.

i. C143, Standard Test Method for Slump of Hydraulic Cement Concrete.

j. C150, Standard Specification for Portland Cement.

k. C157, Standard Test Method for Length Change of Hardened Hydraulic-

Cement, Mortar, and Concrete.

l. C172, Standard Practice for Sampling Freshly Mixed Concrete.

m. C173, Standard Test Method for Air Content of Freshly Mixed Concrete by the Volumetric Method.

n. C231, Standard Test Method for Air Content of Freshly Mixed Concrete by the Pressure Method.

o. C260, Standard Specification for Air-Entraining Admixtures for Concrete.

p. C309, Standard Specification for Liquid Membrane-Forming Compounds for Curing Concrete.

q. C330, Standard Specification for Lightweight Aggregates for Structural

Concrete.

r. C494, Standard Specification for Chemical Admixtures for Concrete.

s. C496, Standard Test Method for Splitting Tensile Strength of Cylindrical

Concrete Specimens.

t. C567, Standard Test Method for Determining Density of Structural

Lightweight Concrete.

u. C595, Standard Specification for Blended Hydraulic Cements.

v. C618, Standard Specification for Coal Fly Ash and Raw or Calcined Natural

Pozzolan for Use in Concrete.

w. C1293, Standard Test Method for Determination of Length Change of

Concrete Due to Alkali-Silica Reaction.

x. C1315, Standard Specification for Liquid Membrane-Forming Compounds

Having Special Properties for Curing and Sealing Concrete.

y. D882, Standard Test Method for Tensile Properties of Thin Plastic Sheeting.

z. D994, Standard Specification for Preformed Expansion Joint Filler for

Concrete (Bituminous Type).

aa. D1056, Standard Specification for Flexible Cellular Materials-Sponge or

Expanded Rubber.

bb. D1709, Standard Test Methods for Impact Resistance of Plastic Film by the

Free-Falling Dart Method.

cc. D1751, Standard Specification for Preformed Expansion Joint Filler for

Concrete Paving and Structural Construction (Nonextruding and Resilient

Bituminous Types).

dd. E96, Standard Test Methods for Water Vapor Transmission of Materials.

ee. E329, Standard Specification for Agencies Engaged in Construction

Inspection and/or Testing.

ff. C311 Standard Test Methods for Sampling and Testing Fly Ash or Natural

Pozzolans for use in Portland Cement Concrete.

5. Corps of Engineering:

a. CRD-C621, Standard Specification for Packaged, Dry, Hydraulic-Cement

Grout (Nonshrink).

ZION 240182 03 30 00 - 3

CONCRETE

6. National Ready Mixed Concrete Association (NRMCA).

B. Quality Control:

1. Concrete testing agency:

a. Contractor to employ and pay for services of a testing laboratory to:

1) Perform materials evaluation.

2) Design concrete mixes.

3) Perform testing of concrete placed during construction.

b. Concrete testing agency to meet requirements of ASTM E329.

2. Do not begin concrete production until proposed concrete mix design has been approved by Contracting Officer (CO).

a. Approval of concrete mix design by CO does not relieve Contractor of his responsibility to provide concrete that meets the requirements of this

Specification.

3. Adjust concrete mix designs when material characteristics, job conditions, weather, strength test results or other circumstances warrant.

a. Do not use revised concrete mixes until submitted to and approved by CO.

C. Qualifications:

1. Ready mixed concrete batch plant certified by NRMCA.

1.3 DEFINITIONS

A. Per ACI CT-13 except as modified herein:

1. Concrete fill: Non-structural concrete.

2. Concrete Testing Agency: Testing agency employed to perform materials evaluation, design of concrete mixes or testing of concrete placed during construction.

3. Exposed concrete: Exposed to view after construction is complete.

4. Indicated: Indicated by Contract Documents.

5. Nonexposed concrete: Not exposed to view after construction is complete.

6. Required: Required by Contract Documents.

7. Specified strength: Specified compressive strength at 28 days.

8. Submitted: Submitted to CO.

1.4 SUBMITTALS

A. Shop Drawings:

1. See Specification Section 01 33 23 for requirements for the mechanics and administration of the submittal process.

2. Submit scaled (minimum 1/8 IN per foot) drawings for the following:

ZION 240182 03 30 00 - 4

CONCRETE

a. Reinforcing steel:

1) Show grade, sizes, number, configuration, spacing, location and all fabrication and placement details.

2) In sufficient detail to permit installation of reinforcing without having to make reference to Contract Drawings.

3) Obtain approval of Shop Drawings by CO before fabrication.

4) Mill certificates.

b. Concrete Structures:

1) Layouts that show the relative position (vertical and horizontal as appropriate) of work to be performed.

2) Proposed locations of construction joints, control joints, expansion joints (as applicable) and joint dimensions.

3) Fabrication drawings for railings.

3. Submit scaled (minimum 1/8 IN per foot) drawings that bear the seal and signature of a professional engineer proficient in the pertinent design field for the following:

a. Forms and falsework for cast-in-place concrete structures greater than 6 feet in height.

b. Falsework for structures with spans exceeding 16 feet.

c. Shoring systems that support traffic loadings.

d. Temporary bridge structures for public use.

4. Concrete mix designs proposed for use.

a. Concrete mix design submittal to include the following information:

1) Sieve analysis and source of fine and coarse aggregates per AASHTO

T 27 (ASTM 136).

2) Test for aggregate organic impurities per AASHTO T 21 (ASTM

C40).

3) Test for deleterious aggregate per ASTM C1293.

4) Proportioning of all materials.

5) Type of cement with mill certificate for cement.

6) Type of fly ash with certificate of conformance to specification requirements.

7) Slump per AASHTO T 119 (ASTM C143).

8) Air content per AASHTO T 152 (ASTM C231).

9) Brand, type, ASTM designation, and quantity of each admixture proposed for use.

10) 28-day cylinder compressive test results of trial mixes per ASTM

C39, ACI 318, and as indicated herein.

11) Shrinkage test results.

12) Standard deviation value for concrete production facility.

5. Product technical data including:

a. Acknowledgement that products submitted meet requirements of standards referenced.

b. Manufacturer's installation instructions.

c. Manufacturers and types:

ZION 240182 03 30 00 - 5

CONCRETE

1) Joint fillers.

2) Curing agents.

3) Bonding and patching mortar.

4) Construction joint bonding adhesive.

5) Nonshrink grout with cure/seal compound.

6) Color Additives

6. Certifications:

a. Certification of standard deviation value in psi for ready mix plant supplying the concrete.

b. Certification that the material and sources submitted in the mix design will be used in the concrete for this project.

7. Test reports:

a. Cement mill reports for all cement to be supplied.

8. Colored Concrete Mock-up/Field Samples:

a. At least 5 weeks prior to placing concrete, cast and cure 3 test sections in the form of a slab at a location within the Park, to be determined by the CO in consultation with the Park. Once the test sections have cured for at least a week, allow at least 2 weeks with finished surfaced exposed to the sun, and an additional 2 weeks for evaluation and approval. Use the same amount of cement per cubic yard and the same aggregates, admixtures, and curing compound in the test sections as will be used in the final mixes.

b. Submit to the CO for approval the color and quantity of color to produce the test sections in a range of shades, as directed by the CO; the test section of the color selected may be used on the project.

c. Demonstrate methods of obtaining consistent visual appearance, including materials, workmanship, and curing method to be used through the project.

d. Retain samples of cements, sands, aggregates, and color additives used in mock-up for comparison with materials used in the remaining work.

e. Accepted mock-up/field sample provides visual standard for work of section.

f. Obtain final approval of mock-up/field sample for use by the CO prior to completion of remaining work. Mock-up/field sample may remain as part of work as determined by the CO.

1.5 DELIVERY, STORAGE, AND HANDLING

A. Storage of Material:

1. Aggregate:

a. Store to prevent segregation and contamination with other sizes or foreign materials.

b. Do not use frozen or partially frozen aggregates.

c. Do not use bottom 6 IN of stockpiles in contact with ground.

d. Allow sand to drain until moisture content is uniform prior to use.

2. Admixtures:

a. Protect from contamination, evaporation, freezing, or damage.

ZION 240182 03 30 00 - 6

CONCRETE

b. Maintain within temperature range recommended by manufacturer.

c. Completely mix solutions and suspensions prior to use.

3. Reinforcing steel: Support and store all rebars above ground.

B. Delivery:

1. Concrete:

a. Prepare a delivery ticket for each load for ready-mixed concrete.

b. Truck operator shall hand ticket to CO at the time of delivery.

c. Ticket to show:

1) Mix identification mark.

2) Quantity delivered.

3) Amount of each material in batch.

4) Outdoor temp in the shade.

5) Time at which cement was added.

6) Numerical sequence of the delivery.

7) Amount of water added.

2. Reinforcing steel:

a. Ship to jobsite with attached plastic or metal tags with permanent mark numbers.

b. Mark numbers to match Shop Drawing mark number.

3. Handling of Epoxy-Coated Rebar:

a. Use padded or nonmetallic slings and padded straps to protect coated reinforcement from damage.

b. Handle bundled bars to prevent sagging that could damage the coating.

c. Do not drop or drag rebars.

d. Store on wooden cribbing.

e. Coated rebars subject to rejection by CO if rebar coating has been damaged.

PART 2 - PRODUCTS

2.1 MANUFACTURERS

A. Subject to compliance with the Contract Documents, the following products and manufacturers are acceptable or approved equals. Note approved equals are products that have been submitted by the contractor and approved by the CO:

2.2 MATERIALS

A. Portland Cement:

1. Cast-In-Place Concrete: Conform to ASTM C150 Type II or Type V

2. High Early Concrete: Conform to ASTM C150 Type III

B. Colored Concrete:

1. Color Additives: Mix in accordance with manufacturer's instructions. Mix until color

ZION 240182 03 30 00 - 7

CONCRETE

additives are uniformly dispersed throughout mixture and disintegrating bags, if used, have disintegrated.

2. Do not re-temper mix by adding water in the field.

3. Concrete Color Additives:

a. Integrally color all concrete:

1) Basis-of-Design Product: Subject to compliance with requirements, provide listed, or equal or comparable product meeting salient characteristics as approved by Contracting Officer.

a) Davis Colors – Harvest Gold 5084, manufactured by Davis

Colors; phone 800-356-4848, e-mail info@daviscolors.com, or internet www.daviscolors.com OR

b) Solomon Colors – Pecan 757 ColorFlo Liquid, manufactured by Solomon Colors, www.solomoncolors.com

2) Match the color of existing concrete elements

3) Ensure coloring agents are mineral oxide pigments, light fast, lime proof, stable and inert when used in concrete or mortar. Coloring agents containing carbon black will not be acceptable.

4) Add coloring agent mixed with water at the time the cement is added to the mix during batching.

5) Determine coloring agent batch amounts by weight, not volumes. Use additional mixing time as recommended by the manufacturer. The amount of coloring agent to be used will be determined by the CO based on test curb results and should not exceed 10 percent of the weight of cement.

C. Fly Ash:

1. ASTM C311 and ASTM C618 for Class C or F.

2. Nonstaining.

3. Maximum loss on ignition: 4 percent.

4. Compatible with other concrete ingredients.

5. Fly ash from a source approved by the State Highway Department in the state the project is located in for use in concrete for bridges can be submitted for approval.

D. Admixtures:

1. Air entraining admixtures: ASTM C260.

2. Water reducing, retarding, and accelerating admixtures:

a. ASTM C494 Type A through E.

b. Conform to provisions of ACI 212.3R.

c. Follow manufacturer's instructions.

d. Use chloride free admixtures only.

3. Maximum total water soluble chloride ion content contributed from all ingredients of concrete including water, aggregates, cementitious materials and admixtures by weight percent of cement:

a. 0.10 all concrete.

4. Do not use calcium chloride.

5. Pozzolanic admixtures: ASTM C618.

6. Provide admixtures of same type, manufacturer and quantity as used in establishing required concrete proportions in the mix design.

ZION 240182 03 30 00 - 8

CONCRETE

E. Water: Potable, clean, free of oils, acids and organic matter.

F. Aggregates:

1. Normal weight concrete: ASTM C33, except as modified below.

2. Fine aggregate gradation:

a. Clean and natural sand

b. No Manufactured or artificial sand.

3. Coarse aggregate:

a. Crushed rock, natural gravel, or other inert granular material.

b. Maximum amount of clay or shale particles: 1 PCT.

4. Coarse aggregate gradation:

a. AASHTO M43 sizes No. 57 or No. 67 coarse aggregate.

b. Use only washed aggregates.

G. Concrete Grout:

1. Nonshrink, nonmetallic grout:

a. Manufacturers:

1) Sika “SikaGrout 212”, or equal.

b. Nonmetallic, noncorrosive, nonstaining, premixed with only water to be added.

c. Grout to produce a positive but controlled expansion.

d. Mass expansion not to be created by gas liberation.

e. Minimum compressive strength of nonshrink grout at 28 days: 6500 PSI.

f. In accordance with COE CRD-C621.

g. Color of grout is to match surrounding surfaces and is to be approved by CO prior to construction.

H. Reinforcing Steel:

1. Reinforcing bars: ASTM A615, Grade 60.

a. Provide with epoxy coating per ASTM A775 when indicated on the Project plans.

2. Welded wire fabric: ASTM A1064

I. Forms:

1. Prefabricated or job built.

2. Wood forms:

a. 5/8 or 3/4 IN 5-ply structural plywood of concrete form grade.

b. Built-in-place or prefabricated type panel.

3. Metal forms:

a. Metal forms may be used except for aluminum in contact with concrete.

b. Forms to be tight to prevent leakage, free of rust and straight without dents to provide members of uniform thickness.

4. Chamfer strips: Clear white pine, surface against concrete planed.

5. Form Coating:

a. Manufacturers:

1) Richmond “Rich Cote”, or equal.

b. Volatile Organic Compound: <25 grams/liter

ZION 240182 03 30 00 - 9

CONCRETE

J. Form Ties:

1. Commercially fabricated for use in form construction.

a. Field fabricated ties are unacceptable.

2. Constructed so that ends or end fasteners can be removed without causing spalling at surfaces of the concrete.

3. 3/4 IN minimum diameter cones on both ends.

4. Embedded portion of ties to be not less than 1 IN from face of concrete after ends have been removed.

5. Cone size:

a. 3/4 IN minimum diameter cones on both ends.

b. Depth of cone not to exceed the concrete reinforcing cover.

6. Form release: Nonstaining and shall not prevent bonding of future finishes to concrete surface.

a. Nontoxic 30 days after application.

b. Form release shall not be an attractant to wildlife.

K. Chairs, Runners, Bolsters, Spacers, and Hangers:

1. Stainless steel, epoxy coated, or plastic coated metal.

a. Plastic coated: Rebar support tips in contact with the forms only.

L. K. Membrane Curing Compound:

1. 1. ASTM C309, Type II-B.

2. Resin based, dissipates upon exposure to UV light.

3. 3. Curing compound shall not prevent bonding of any future coverings, coatings or finishes.

M. Expansion Joint Filler:

1. Manufacturers:

a. Permaglaze Co., or equal.

2. Swell of 2 to 5 PSI compression.

3. All uses:

a. Fiber expansion joint filler.

b. ASTM D1751.

2.3 CONCRETE MIXES

A. General:

1. All concrete to be ready mixed concrete conforming to ASTM C94/C94M.

2. Provide concrete of specified quality capable of being placed without segregation and, when cured, of developing all properties required.

3. All concrete to be normal weight concrete.

4. Provide pozzolan content for all cast-in-place construction.

5. Concrete mixes meeting project strength requirements and the requirements for FP

14 or DOT(from state work is being performed) can be submitted as alternative concrete mixes for approval. Note this only applies to the concrete mix as an alternative and does not incorporate the FP 14 or DOT specifications.

ZION 240182 03 30 00 - 10

CONCRETE

B. Strength:

1. Provide specified strength of 4,500 PSI at 28 days.

C. Air Entrainment:

1. Provide air entrainment in concrete resulting in a total air content percent by volume of 4.5 to 7.5:

2. Air content to be measured in accordance with ASTM C231, ASTM C173, or

ASTM C138.

D. Slump - 4 IN maximum, 1 IN minimum:

1. Measured at point of discharge of the concrete into the concrete construction member.

2. Concrete of lower than minimum slump may be used provided it can be properly placed and consolidated.

3. Pumped concrete:

a. Provide additional water at batch plant to allow for slump loss due to pumping.

b. Provide only enough additional water so that slump of concrete at discharge end of pump hose does not exceed maximum slump specified above.

4. Determine slump per ASTM C143.

E. Selection of Proportions:

1. General:

a. Proportion ingredients to:

1) Produce proper workability, durability, strength, and other required properties.

2) Prevent segregation and collection of excessive free water on surface.

2. Minimum cement contents of 611 lb/yd and maximum water cement ratio of 0.45.

3. Fly ash:

a. For cast-in-pace concrete only, a maximum of 20 PCT by weight of Portland cement content per cubic yard may be replaced with fly ash at rate of 1 LB fly ash for 1 LB of cement.

b. When fly ash is used, the water to cementitious materials ratio shall not exceed the maximum value specified herein.

4. Required average strength to exceed the specified 28-day compressive strength by the amount determined or calculated in accordance with the requirements of

Chapter 5 of ACI 318 using the standard deviation of the proposed concrete production facility.

PART 3 - EXECUTION

3.1 FORMING AND PLACING CONCRETE

A. Formwork:

1. Contractor is responsible for design and erection of formwork.

ZION 240182 03 30 00 - 11

CONCRETE

2. Construct formwork so that concrete members and structures are of correct size, shape, alignment, elevation and position.

a. Allowable tolerances: As recommended in ACI 347.

3. Provide slabs of minimum indicated depth when sloping foundation base slabs to drains.

a. For slabs on grade, slope top of subgrade to provide floor slabs of minimum uniform indicated depth.

4. Chamfer strips: Place 3/4 IN chamfer strips in forms to produce 3/4 IN wide beveled edges on permanently exposed corners of members.

5. Clean and adjust forms prior to concrete placement.

6. Tighten forms to prevent mortar leakage.

7. Coat form surfaces with form release agents prior to placing reinforcing bars in forms.

B. Reinforcement:

1. Position, support and secure reinforcement against displacement.

2. Locate and support with chairs, runners, bolsters, spacers and hangers, as required.

3. Set wire ties so ends do not touch forms and are directed into concrete, not toward exposed concrete surfaces.

4. Lap splice lengths: ACI 318 Class B top bar tension splices unless indicated otherwise on the Drawings.

5. Extend reinforcement to within 2 IN of concrete perimeter edges.

a. If perimeter edge is earth formed, extend reinforcement to within 3 IN of the edge.

6. Minimum concrete protective covering for reinforcement: As shown on Drawings.

7. Unless otherwise indicated, provide minimum concrete cover as follows:

a. Concrete deposited against earth: 3 IN.

b. Formed surfaces exposed to weather or in contact with earth: 2 IN for reinforcing bars #6 or larger; 1-1/2 IN for reinforcing bars less than #6.

8. Do not weld reinforcing bars.

C. Construction, Expansion, and Contraction Joints:

1. Locate joints as indicated on Contract Drawings or as shown on approved Shop

Drawings.

a. Where construction joint spacing shown on Drawings exceeds the joint spacing indicated in Paragraph below, submit proposed construction joint location in conformance with this Specification Section.

2. Unplanned construction joints will not be allowed.

3. Locate construction joints in foundation base slabs so that concrete placements are approximately square and do not exceed 2500 SF.

4. Install construction joints perpendicular to main reinforcement with all reinforcement continued across construction joints.

5. At least 72 HRS shall elapse between placing of adjoining concrete construction.

6. Thoroughly clean and remove all laitance and loose and foreign particles from construction joints.

7. Before new concrete is placed, dampen concrete surfaces.

D. Embedments:

ZION 240182 03 30 00 - 12

CONCRETE

1. Set and build in anchorage devices and other embedded items required for other work that is attached to or supported by concrete.

2. Use setting diagrams, templates and instructions for locating and setting.

E. Placing Concrete:

1. Place concrete in compliance with ACI 304R and ACI 304.2R.

2. Place in a continuous operation within planned joints or sections.

3. Begin placement when work of other trades affecting concrete is completed.

4. Place concrete by methods which prevent aggregate segregation.

5. Do not allow concrete to free fall more than 4 FT.

6. Where free fall of concrete will exceed 4 FT, place concrete by means of tremie pipe or chute.

F. Consolidation: Consolidate all concrete using mechanical vibrators supplemented with hand rodding and tamping, so that concrete is worked around reinforcement and embedded items into all parts of forms.

G. Protection:

1. Protect concrete from physical damage or reduced strength due to weather extremes.

2. In cold weather comply with ACI 306.1 except as modified herein.

a. Do not place concrete on frozen ground or in contact with forms or reinforcing bars coated with frost, ice, or snow.

b. Minimum concrete temperature at the time of mixing:

Outdoor Temperature at

Placement (In Shade)

Concrete Temperature at Mixing

Below 30°F 70°F

Between 30-45°F 60°F

Above 45°F 50°F

c. Do not place heated concrete that is warmer than 80 DEGF.

d. If freezing temperatures are expected during curing, maintain the concrete temperature at or above 50 DEGF for 7 days or 70 DEGF for 3 days.

e. Do not allow concrete to cool suddenly.

3. In hot weather comply with ACI 305.1 except as modified herein.

a. At air temperature of 90 DEGF and above, keep concrete as cool as possible during placement and curing.

b. Do not allow concrete temperature to exceed 90 DEGF at placement.

c. Prevent plastic shrinkage cracking due to rapid evaporation of moisture.

d. Do not place concrete when the actual or anticipated evaporation rate equals or exceeds 0.2 LBS/SF/HR as determined from ACI 305.1, Figure 2.1.5.

H. Curing:

1. Begin curing concrete as soon as free water has disappeared from exposed surfaces.

ZION 240182 03 30 00 - 13

CONCRETE

2. Cure concrete by use of moisture retaining cover, burlap kept continuously wet or by membrane curing compound.

3. Provide protection as required to prevent damage to concrete and to prevent moisture loss from concrete during curing period.

4. Provide curing for minimum of 7 days.

5. Form materials left in place may be considered as curing materials for surfaces in contact with the form materials except in periods of hot weather.

6. In hot weather follow curing procedures outlined in ACI 305.1.

7. In cold weather follow curing procedures outlined in ACI 306.1.

8. Curing vertical surfaces with a curing compound:

a. Cover vertical surfaces with a minimum of two coats of the curing compound.

b. Allow the preceding coat to completely dry prior to applying the next coat.

c. Apply the first coat of curing compound immediately after form removal.

d. Vertical surface at the time of receiving the first coat shall be damp with no free water on the surface.

e. A vertical surface is defined as any surface steeper than 1 vertical to 4 horizontal.

I. Form Removal:

1. Remove forms after concrete has hardened sufficiently to resist damage from removal operations or lack of support.

2. Where no reshoring is planned, leave forms and shoring used to support concrete until it has reached its specified 28-day compressive strength.

3.2 CONCRETE FINISHES

A. Tolerances:

1. Class A: 1/8 IN in 10 FT.

2. Class B: 1/4 IN in 10 FT.

B. Surfaces Exposed to View:

1. Rubbed Finish: Keep concrete to receive a rubbed finish saturated with water.

a. Ensure the mortar used in pointing is set before wetting.

b. Rub surfaces with a medium-coarse carborundum stone faced with a small quantity of mortar composed of cement and fine sand mixed in proportions of the concrete being finished.

c. Rub until form marks, projections, and irregularities have been removed; all voids are filled; and a uniform surface is obtained.

d. Leave the paste produced by rubbing.

e. After placing concrete above the treated surface, obtain the final finish by rubbing with a fine carborundum stone and water until the entire surface is smooth and uniform in color.

f. After final rubbing, and when the surface is dry, rub with burlap to remove loose powder.

ZION 240182 03 30 00 - 14

CONCRETE

C. Surfaces Not Exposed to View:

1. Patch voids, air pockets and honeycomb areas with cement grout.

2. Fill tie holes with nonshrink, nonmetallic grout.

D. Slab Float Finish:

1. After concrete has been placed, consolidated, struck off, and leveled, do no further work until ready for floating.

2. Do not use water to aid in finishing.

3. Begin floating when water sheen has disappeared and surface has stiffened sufficiently to permit operation.

4. During or after first floating, check planeness of entire surface with a 10 FT straightedge applied at not less than two different angles.

5. Cut down all high spots and fill all low spots during this procedure to produce a surface within Class B tolerance throughout.

6. Refloat slab immediately to a uniform sandy texture.

E. Troweled Finish:

1. Float finish surface.

2. Next power trowel, and finally hand trowel.

3. Do not use water to aid in finishing.

4. Produce a smooth surface which is relatively free of defects with first hand troweling.

5. Perform additional troweling by hand after surface has hardened sufficiently.

6. Final trowel when a ringing sound is produced as trowel is moved over surface.

7. Thoroughly consolidate surface by hand troweling.

8. Leave finished surface essentially free of trowel marks, uniform in texture and appearance and plane to a Class A tolerance.

9. On surfaces intended to support floor coverings remove any defects of sufficient magnitude that would show through floor covering by grinding.

F. Broom Finish: Immediately after concrete has received a float finish as specified, give it a transverse scored texture by drawing a broom across surface.

3.3 GROUT

A. Preparation:

1. Nonshrinking, nonmetallic grout:

a. Clean concrete surface to receive grout.

b. Saturate concrete with water for 24 HRS prior to grouting.

B. Application:

1. Nonshrinking, nonmetallic grout:

a. Mix in a mechanical mixer.

b. Use no more water than necessary to produce flowable grout.

c. Place in accordance with manufacturer's instructions.

d. Completely fill all spaces and cavities below the bottom of baseplates.

ZION 240182 03 30 00 - 15

CONCRETE

e. Provide forms where baseplates and bedplates do not confine grout.

f. Where exposed to view, finish grout edges smooth.

g. Except where a slope is indicated on Drawings, finish edges flush at the baseplate, bedplate, member, or piece of equipment.

h. Protect against rapid moisture loss by covering with wet rags or polyethylene sheets.

i. Wet cure grout for seven (7) days, minimum.

3.4 FIELD QUALITY CONTROL

A. Employ and pay for services of a concrete testing laboratory to perform testing of concrete placed during construction. Strength tests are not required for Class 1, Class 2, or curb spall spall repair work. Strength testing required for Class 3 spall repair work if applicable.

B. Concrete Quality Control During Construction:

1. Strength tests:

a. Secure concrete samples in accordance with ASTM C172.

b. Obtain each sample from a different batch of concrete on a random basis.

c. For each strength test mold and cure six cylinders from each sample in accordance with ASTM C31. Two of the cylinders are for Government QA testing. Contractor shall store the two cylinders and provide them to the CO if requested for independent testing. If the two test cylinders are not used for independent testing they become property of the contractor after final acceptance of the work. The contractor is responsible for disposal of unused concrete cylinders.

1) Record any deviations from requirements on test report.

d. Test cylinders in accordance with ASTM C39.

e. Test one (1) cylinder at seven (7) days.

f. Test three (3) cylinders at 28 days.

2. Provide strength tests as follows:

a. One strength test consisting of 6 IN DIA x 12 IN high cylinders shall be taken:

1) Not less than one (1) test each day concrete placed.

2) Not less than one (1) test for each 50 CY or fraction thereof placed in

1 day.

3) Not less than one (1) test for each type of concrete poured.

4) Not less than one (1) test for each concrete structure exceeding 2 CY in volume.

b. Determine slump of concrete sample for each strength test.

1) Additional slump tests shall be taken if consistency of concrete appears to vary.

2) Determine slump in accordance with ASTM C143.

c. Determine air content of concrete sample for each strength test in accordance with either ASTM C231, ASTM C173, or ASTM C138.

d. Determine temperature of concrete sample for each strength test.

e. Determine unit weight (LB/CF) of fresh lightweight concrete at point of discharge into construction member for each strength test.

ZION 240182 03 30 00 - 16

CONCRETE

f. Submit results of all concrete strength tests to CO in writing as soon as tests are completed. The CO has the option to be present during all testing including strength testing of the concrete strength testing of the cylinders.

C. Evaluation of Tests:

1. Strength test results:

a. Average of 28-day strength of two cylinders from each sample.

1) If one cylinder manifests evidence of improper sampling, molding, handling, curing or testing, strength of remaining cylinders will be test result.

2) If both cylinders show any of above defects, test will be discarded.

D. Acceptance of Concrete:

1. Strength level of each type of concrete shall be considered satisfactory if both of the following requirements are met:

a. Average of all sets of three consecutive strength tests equals or exceeds the required specified 28-day compressive strength.

b. No individual strength test falls below the required specified 28-day compressive strength by more than 500 PSI.

2. If tests fail to indicate satisfactory strength level, perform additional tests and/or corrective measures as directed by CO.

a. Perform additional tests and/or corrective measures at no additional cost to

CO.

E. Concrete tolerances per ACI 117.

3.5 SCHEDULES

A. Form Types:

1. Surfaces exposed to view:

a. Prefabricated or job-built wood forms.

b. Laid out in a regular and uniform pattern with long dimensions vertical and joints aligned.

c. Produce finished surfaces free from offsets, ridges, waves, and concave or convex areas.

d. Construct forms sufficiently tight to prevent leakage of mortar.

2. Surfaces normally submerged or not normally exposed to view: Wood or steel forms sufficiently tight to prevent leakage of mortar.

3. Other types of forms may be used:

a. For surfaces not restricted to plywood or lined forms.

b. As backing for form lining.

B. Grout:

1. Nonshrinking, nonmetallic grout: General use.

C. Concrete:

ZION 240182 03 30 00 - 17

CONCRETE

1. Normal weight concrete: All concrete.

2. General use concrete: All locations.

END OF SECTION 03 30 00

ZION 240182 07 10 05 - 1

WATERPROOFING MEMBRANE

SECTION 07 10 05 – WATERPROOFING MEMBRANE

PART 1 - GENERAL

1.1 SECTION INCLUDES

A. Waterproofing membrane for concrete surfaces.

1.2 RELATED SECTIONS

A. Division 00 - Procurement and Contracting Requirements.

B. Division 01 - General Requirements. Furnish all labor, material, and equipment necessary to complete the work according to the contract.

1.3 REFERENCES

A. ASTM D 5: Penetration of Bituminous Materials

B. ASTM D 36: Softening Point of Bitumen (Ring-and-Ball Apparatus)

C. ASTM D 146: Sampling and Testing Bitumen-Saturated Felts and Woven Fabrics for

Roofing and Waterproofing

D. ASTM D 882: Tensile Properties of Thin Plastic Sheeting

E. ASTM D 3236: Apparent Viscosity of Hot Melt Adhesives and Coating Materials

F. ASTM E 96: Water Vapor Transmission of Materials

G. ASTM E 154: Water Vapor Retarders Used in Contact with Earth Under Concrete Slabs, on Walls, or as Ground Cover

1.4 DEFINITIONS

A. Not Used

1.5 SUBMITTALS

A. Manufacturer’s product data sheets and recommended installation instructions.

1.6 WEATHER LIMITATIONS

A. Do not work during wet conditions or when the concrete surface or ambient air temperatures are below 50 degrees.

B. Do not apply the membrane until it has been a minimum of 12 hours since the concrete surface was wet and is dry per the manufacturer’s requirements.

PART 2 - PRODUCTS

2.1 RUBBERIZED ASPHALT MEMBRANE

A. Characteristics

ZION 240182 07 10 05 - 2

WATERPROOFING MEMBRANE

1. Laminate form

2. Heat resistant

3. Self-adhesive surface protected by special release paper

B. Mechanical Properties – Refer to Table 1:

Table 1

Mechanical Properties

Property Value Method

Thickness, inch, minimum 0.065

Permeance-Perms, grains/sq ft∙hr∙inhg 0.10

ASTM E 96, Method B

Tensile Strength, psi 50 ASTM D 882, modified for

1 inch opening

Elongation, percent 75 ASTM D 882, modified for

1 inch opening

Puncture Resistance (Mesh), lb

ASTM E 154

Pliability, at -15 degrees F

No cracks in mesh or rubberized asphalt when bent

180 degrees over a

¼ inch mandrel

ASTM D 146

2.2 FIBERGLASS MATTING

A. Weight = 1.5 lb/yd2

2.3 BINDER

A. Compatible with the matting material and conforming to the following requirements:

Table 2

Binder Requirements

Property Value Method

Penetration, 0.1 mm 40-82 ASTM D 5

Softening point, min. 155 degrees F ASTM D 36

380 degrees F. viscosity, cps 1,000 – 1,800 ASTM D 3236

PART 3 - EXECUTION

3.1 PREPARATION

ZION 240182 07 10 05 - 3

WATERPROOFING MEMBRANE

A. Expansion Joint Modification and Joint Closure

1. Remove the curing cover materials and dry according to manufacturer’s recommendations or 48 hours, whichever is greater after concrete placed at expansion joint modifications and joint closures has cured.

B. Concrete Surface

1. Vacuum or use compressed air to remove all dust and loose material from the concrete surface.

2. Remove all sharp ridges and projections that can puncture the membrane.

C. Joints and Cracks

1. Bond a 12 inch wide strip of woven fiberglass reinforcing to the concrete surface over cracks and cold joints greater than 3/16 inch wide using a compatible binder.

2.

3.2 APPLY MEMBRANE

A. Rubberized asphalt membrane – Follow membrane manufacturer’s recommendations for application temperatures, equipment, and procedures.

1. Primer

a. Use primer furnished by the manufacturer of membrane material.

b. Apply primer to all surfaces to be covered by the membrane according to the manufacturer’s recommended procedure and application rate.

2. Placement

a. Overlap prefabricated membrane strips at least 4 inches or as required by the Manufacturer.

b. Place joints in a shingling effect so water will drain effectively.

3. Bonding

a. Use hand rollers or other satisfactory pressure apparatus on the membrane to assure firm and uniform contact with the primed surfaces.

b. Use a wide tipped torch to cause tackiness if an adhesive is required to create a good seal at joints.

4. Placement

a. Place the membrane on the vertical face of the concrete curb to the height of the finished overlay surfacing plus 1 inch.

5. Defects

a. Protect the entire membrane from developing wrinkles, air bubbles, or other placement defects.

b. Patch any torn or cut areas and narrow overlaps using a satisfactory adhesive and a piece of membrane.

c. Extend the patch at least 4 inches beyond any defect.

d. Bond the patch firmly to the surface.

6. Traffic

a. Allow only necessary rubber tire vehicles on the membrane.

b. Do not allow public traffic.

c. Maintain the membrane in good condition until covered with pavement.

7. Preparation for Overlaying

a. Apply a bond coat of an acceptable adhesive to the surface of the

ZION 240182 07 10 05 - 4

WATERPROOFING MEMBRANE

membrane if required by the membrane manufacturer.

3.3 ASPHALT SURFACING OVERLAY

A. Do not place overlay surfacing or backfill until the CO has inspected the membrane and authorization has been granted.

B. Do not place the overlay surfacing or backfill until the membrane has cured according to manufacturer’s recommendations.

1. Deposit, spread, roll asphalt material, and backfill so the membrane will not be damaged.

END OF SECTION 07 10 05

ZION 240182 26 05 00 - 1

ELECTRICAL - BASIC REQUIREMENTS

SECTION 26 05 00 ELECTRICAL - BASIC REQUIREMENTS

PART 1 - GENERAL

1.1 SUMMARY

A. Section Includes:

1. Basic requirements for electrical systems.

B. Related Specification Sections include but are not necessarily limited to:

1. Division 03 - Concrete.

2. Section 01 61 03 - Equipment - Basic Requirements.

3. Section 03 15 19 - Anchorage to Concrete.

4. Section 26 05 19 - Wire and Cable - 1000 Volt and Below.

5. Section 26 05 33 - Raceways and Boxes.

1.2 QUALITY ASSURANCE

A. Referenced Standards:

1. Aluminum Association (AA):

a. ADM, Aluminum Design Manual.

2. American Institute of Steel Construction (AISC):

a. Steel Construction Manual.

3. American National Standards Institute (ANSI).

4. ASTM International (ASTM):

a. A36/A36M, Standard Specification for Carbon Structural Steel.

b. A123/A123M, Standard Specification for Zinc (Hot-Dip Galvanized) Coatings on Iron and Steel Products.

c. A153/A153M, Standard Specification for Zinc Coating (Hot-Dip) on Iron and

Steel Hardware.

5. Institute of Electrical and Electronics Engineers, Inc. (IEEE):

a. C2, National Electrical Safety Code (NESC).

6. National Fire Protection Association (NFPA):

a. 70, National Electrical Code (NEC).

7. National Electrical Manufacturers Association (NEMA):

a. 250, Enclosures for Electrical Equipment (1000 Volts Maximum).

b. ICS 6, Industrial Control and Systems Enclosures.

8. Underwriters Laboratories, Inc. (UL).

B. Products to be listed by a Nationally Recognized Testing Laboratory (NRTL) in accordance with applicable product standards.

1. Applicable product standards including, but not limited to, ANSI, FM, IEEE, NEMA and UL.

2. NRTL includes, but is not limited to, CSA Group Testing and Certification (CS), FM Approvals LLC (FM), Intertek Testing Services NA, Inc. (ETL), and

Underwriters Laboratories, Inc. (UL).

1.3 DEFINITIONS

A. For the purposes of providing materials and installing electrical work the following definitions shall be used.

1. Outdoor area: Exterior locations where the equipment is normally exposed to the weather and including below grade structures, such as vaults, manholes, handholes and in-ground pump stations.

ZION 240182 26 05 00 - 2

2. Non-architecturally finished interior area: Storage structures.

3. Shop fabricated: Manufactured or assembled equipment for which a UL test procedure has not been established.

1.4 SUBMITTALS

A. Shop Drawings:

1. See Specification Section 01 61 03 and individual specification sections for submittal requirements for products defined as equipment.

2. General requirements:

a. Provide manufacturer's technical information on products to be used, including product descriptive bulletin.

b. Include data sheets that include manufacturer's name and product model number.

1) Clearly identify all optional accessories.

c. Acknowledgement that products are NRTL listed or are constructed utilizing

NRTL recognized components.

d. Manufacturer's delivery, storage, handling and installation instructions.

e. Product installation details.

f. Short Circuit Current Rating (SCCR) nameplate marking per NFPA 70, include any required calculations.

g. See individual specification sections for any additional requirements.

3. Fabrication and/or layout drawings:

a. Concrete and reinforcing steel, per Division 03 requirements.

B. Operation and Maintenance Manuals:

1. See Specification Section 01 78 23 for requirements for:

a. The mechanics and administration of the submittal process.

b. The content process of Operation and Maintenance Manuals.

C. When a Specification Section includes products specified in another Specification

Section, each Specification Section shall have the required Shop Drawing transmittal form per Specification Section 01 33 00 and all Specification Sections shall be submitted simultaneously.

1.5 DELIVERY, STORAGE, AND HANDLING

A. Protect nameplates on electrical equipment to prevent defacing.

1.6 AREA DESIGNATIONS

A. Designation of an area will determine the NEMA rating of the electrical equipment enclosures, types of conduits and installation methods to be used in that area.

1. Outdoor areas:

a. Wet.

b. Also, corrosive and/or hazardous when specifically designated on the Drawings or in the Specifications.

2. Indoor areas:

a. Dry.

b. Also, wet, corrosive and/or hazardous when specifically designated on the

Drawings or in the Specifications.

ZION 240182 26 05 00 - 3

PART 2 - PRODUCTS

2.1 MANUFACTURERS

A. Subject to compliance with the Contract Documents, refer to specific Electrical

Specification Sections and specific material paragraphs below for acceptable manufacturers.

B. Provide all components of a similar type by one (1) manufacturer.

2.2 MATERIALS

A. Electrical Equipment Support Pedestals and/or Racks:

1. Manufacturers:

a. Modular strut:

1) Unistrut Building Systems, or equal.

2. Salient characteristics:

a. Modular strut:

1) Galvanized steel: ASTM A123/123M or ASTM A153/A153M.

2) Stainless steel: AISI Type 316.

3) PVC coated galvanized steel: ASTM A123/A123M or ASTM

A153/A153M and 20 mil PVC coating.

4) Aluminum: AA Type 6063-T6.

b. Structural members (e.g., I beams, L and C channels):

1) Galvanized steel: ASTM A36/A36M steel with galvanizing per ASTM

A123/A123M.

2) Aluminum: AA Type 6061-T6 or 6063-T6.

c. Mounting plates:

1) Galvanized steel: ASTM A36/A36M steel with galvanizing per ASTM

A123/A123M.

2) Aluminum: AA Type 6063-T6.

d. Mounting hardware:

1) Galvanized steel.

2) Stainless steel.

e. Anchorage per Specification Section 03 15 19.

f. Concrete and reinforcing steel: See Division 03 specifications.

B. Equipment pads (interior and exterior):

1. Concrete and reinforcing steel: See Division 03 specifications.

C. Field touch-up of galvanized surfaces.

1. Zinc-rich primer.

a. One coat, 3.0 mils, ZRC by ZRC Products, or equal.

PART 3 - EXECUTION

3.1 INSTALLATION

A. Install and wire all equipment, including prepurchased equipment, and perform all tests necessary to assure conformance to the Drawings and Specification Sections and ensure that equipment is ready and safe for energization.

B. Install equipment in accordance with the requirements of:

1. NFPA 70.

2. IEEE C2.

3. The manufacturer's instructions.

ZION 240182 26 05 00 - 4

C. In general, route conduit as shown on the Drawings.

1. The Contractor is responsible for final routing all conduits including those shown on one-line and control block diagrams and home runs shown on floor plans.

2. Conduit routings and stub-up locations that are shown are approximate; exact routing to be as required for equipment furnished and field conditions.

D. Do not use equipment that exceed dimensions or reduce clearances indicated on the

Drawings or as required by the NFPA 70.

E. Install equipment plumb, square and true with construction features and securely fastened.

F. Install electrical equipment, including pull and junction boxes, minimum of 6 inches from process, gas, air and water piping and equipment.

G. Install equipment so it is readily accessible for operation and maintenance, is not blocked or concealed and does not interfere with normal operation and maintenance requirements of other equipment.

H. Device Mounting Schedule:

1. Unless indicated otherwise on the Drawings, mounting heights are as indicated below:

a. Light switch (to center): 46 inches.

b. Receptacle on exterior wall of building (to center): 18 inches.

c. Receptacle in non-architecturally finished areas (to center): 46 inches.

I. Avoid interference of electrical equipment operation and maintenance with structural members, building features and equipment of other trades.

1. When it is necessary to adjust the intended location of electrical equipment, unless specifically dimensioned or detailed, the Contractor may make adjustments of up to

6 inches in equipment location with the CO's approval.

J. Provide electrical equipment support system per the following area designations:

1. Dry areas:

a. Galvanized system consisting of galvanized steel channels and fittings, nuts and hardware.

b. Field touch-up cut ends and scratches of galvanized components with the specified primer during the installation, before rust appears.

2. Wet areas:

a. Galvanized system consisting of galvanized steel channels and fittings, nuts and hardware.

b. Field touch-up cut ends and scratches of galvanized components with the specified primer during the installation, before rust appears.

3. Corrosive areas:

a. Aluminum system consisting of aluminum channels and fittings with stainless steel nuts and hardware.

K. Provide all necessary anchoring devices and supports rated for the equipment load based on dimensions and weights verified from approved submittals, or as recommended by the manufacturer.

1. See Specification Section 03 15 19.

2. Do not mount safety switches or other equipment to equipment enclosures, unless enclosure mounting surface is properly braced to accept mounting of external equipment.

ZION 240182 26 05 00 - 5

L. Provide non-metallic corrosion resistant spacers to maintain 1/4 inches separation between metallic equipment and/or metallic equipment supports and mounting surface in wet areas, on below grade walls and on walls of liquid containment or processing areas such as Basins, Clarifiers, Digesters, Reservoirs, etc.

M. Do not place equipment fabricated from aluminum in direct contact with earth or…