TECHNICAL SPECIFICATION

FOR

PETOSKEY STATE PARK

SANITATION UPGRADES

FILE 751/23190.GAG

Prepared by:

GOSLING CZUBAK ENGINEERING

1280 Business Park Drive Traverse

City, MI 49686

231-946-9191

Job #2023598001.00

January 2025

INDEX: PETOSKEY STATE PARK SANITATION UPGRADES

TECHNICAL SPECIFICATIONS

DIVISION 2 – EXISTING CONDITIONS

02 41 13 Selective Demolition 02-1

DIVISION 3 - CONCRETE

03 11 00 Concrete Forming 03-1 03 15 00 Concrete Accessories 03-6 03 20 00 Concrete Reinforcing 03-8 03 30 00 Cast-in-Place Concrete 03-11

DIVISION 9 - FINISHES

09 90 00 Painting and Coating 09-1

DIVISION 10 - SPECIALTIES

10 14 00 Signage 10-1

DIVISION 31 - EARTHWORK

31 00 00 Earthwork 31-1 31 10 00 Site Clearing 31-6 31 23 19 Dewatering 31-7 31 25 00 Erosion and Sedimentation Controls 31-9 31 40 00 Shoring and Underpinning 31-15

DIVISION 32 - EXTERIOR IMPROVEMENTS

32 12 00 Flexible Paving 32-1 32 15 00 Aggregate Surfacing 32-4 32 90 00 Planting 32-5

DIVISION 33 - UTILITIES

33 05 07 Trenchless Installation of Utilities 33-1 33 31 13 Site Sanitary Sewerage Gravity Piping 33-12 33 31 23 Sanitary Sewerage Force Main Piping 33-18 DIVISION 43 – PROCESS GAS AND LIQUID HANDLING, PURIFICATION AND STORAGE EQUIPMENT 43 25 00 Submersible/Immersible Liquid Pumps 43-1

PETOSKEY STATE PARK SECTION 02 41 13

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SECTION 02 41 13

SELECTIVE SITE DEMOLITION

PART 1 GENERAL

1.01 SECTION INCLUDES

A. Provide all the labor, tools, and equipment necessary for the removal, demolition, and disposal of the following items as noted on the Demolition Plan:

1. Existing sanitary septic tanks and gravity sewer pipe as indicated on plans.

2. Existing sanitary forcemain where connection as indicated on plans.

1.02 UNIT PRICES

A. All work under this Section shall be considered as incidental to construction, unless specifically indicated on the BID SCHEDULE and referred to in Section 01025 MEASUREMENT AND

PAYMENT.

PART 2 PRODUCTS - Not Used

PART 3 EXECUTION

3.01 GENERAL

A. Coordinate the work in this section with the Owner. The demolition work must be staged to meet the Contractor’s construction schedule and the requirements that the Owner for continued operations throughout the construction activities.

B. Demolition of an item requires removal from the site and disposal in a legal manner off site, at the Contractor’s expense.

C. Salvage of an item means that the Contractor shall make a normal effort to remove the item in usable condition and stockpile the item for removal by the Owner. The Contractor shall be responsible for moving all salvage items to an area accessible by truck and storing the items or loading the items on the truck. The Owner will furnish the truck and the driver within 2 working days of when requested.

3.02 DEMOLITION

A. Concrete structures:

1. Saw cut existing structures where indicated on plans.

2. Make all cuts in straight lines.

3. Cut off existing reinforcement flush with cut concrete surfaces.

B. Pipes:

1. Saw cut existing pipes where indicated. Use of proper equipment and safety measures is required and may vary based on the pipe material classification.

2. Bevel saw cut pipe end as required to provide end satisfactory for joint with new pipe.

3. Plug and abandon pipes in place as indicated on Site Demolition Plans.

4. Where piping protrudes into existing structures, remove valves, caps, etc., if installed;

plug/fill pipe with minimum two- (2) feet of concrete before filling structure (or as noted on plans).

PETOSKEY STATE PARK SECTION 02 41 13

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C. Manholes and Sanitary Structures

1. Remove sanitary tanks as indicated on the plans. Salvage castings for the OWNER.

2. Decapitate structures noted to be demolished to 2’ below grade. Fill structure and pipe with flowable fill per 3.02 (B). of this specification.

3.03 DISPOSAL

A. All materials designated for disposal shall be stored, transported, and disposed of away from the project site in accordance with applicable state and federal standards relating to the specific materials.

B. Analytical testing required for classification of materials shall be performed as required by any applicable state and federal regulations.

END OF SECTION

PETOSKEY STATE PARK SECTION 03 11 00

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SECTION 03 11 00

CONCRETE FORMING (ACI)

PART 1 - GENERAL

1.01 SUMMARY

A. Section includes:

Construction and removal of all cast-in-place concrete forms.

B. Related Sections:

1. Section 01025 - MEASUREMENT AND PAYMENT

2. Section 03 20 00 - CONCRETE REINFORCING

3. Section 03 15 00 - CONCRETE ACCESSORIES

4. Section 03 30 00 - CAST-IN-PLACE CONCRETE

1.02 QUALITY ASSURANCE

A. Codes and standards:

Perform all work in accordance with ACI 301 and ACI 347 of the American Concrete Institute (ACI) unless otherwise indicated on the Plans or in this Section.

B. Design:

The design, engineering and construction of formwork shall be the responsibility of the Contractor.

C. Notifications:

Notify the Engineer at least 24 hours in advance of placing concrete.

PART 2 - PRODUCTS

2.01 MATERIALS

A. Formwork facing materials:

1. "As cast, smooth form finish" on all surfaces except footings as described in ACI 301-84,

10.2.2 Smooth Form Finish.

a. Clean plywood, tempered concrete-form-grade hardboard, metal, plastic, paper, or other approved material.

b. Supports capable of preventing excess deflection (See Table 4.3.1 for tolerances)

c. Completely removable materials.

2. Obtain approval on quality of form face from Engineer prior to installing.

3. Clean, reasonably straight earth cuts, which meet the required tolerances, may be used to form footings with approval of the Engineer.

B. Form accessories:

1. Partially or fully embedded

a. Commercially manufactured

2. Do not use non-fabricated wire.

C. Form ties:

1. Exposed concrete work:

a. Single rod ties equipped with tightly fitted washers at the midpoint.

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b. Assembly should provide cone-shaped depressions at the form/concrete surface interface at least one inch diameter and 1 ½ inches deep to permit filling and patching.

2. Manufacturers:

a. Dayton Sure-Grip

b. Superior Concrete Accessories

c. Williams Form Engineering Corporation

d. or equal.

D. Form release agent:

1. Chemically neutral agent that will effectively prevent absorption of moisture and prevent bond with the concrete.

a. "Magic Kote" 43000 by Symons; or approved equal.

2. Non-toxic release agent for forms used on the interior surfaces of storage tanks designed to hold potable water supplies.

a. Amoco White Mineral Oil No. 31-USP, or equal.

3. Submit the name and sufficient documentation of the proposed form coating agent material to the Engineer for review.

PART 3 - EXECUTION

3.01 FORM CONSTRUCTION

A. General:

1. Provide all required materials in sufficient quantities so as not to delay the work.

2. Use forms rigid enough to maintain specified tolerances.

3. Design forms for the loads, lateral pressure, and allowable stresses outlined in ACI 347, Design of “Recommended Practice for Concrete Formwork” and in accordance with local building codes.

B. Formwork Facing

1. Arrange in an orderly and symmetrical manner

2. Keep the number of seams to a practical minimum

C. Form Ties

1. Construct to prevent appreciable spalling at the faces during removal of the end or end fasteners.

2. Terminate embedded ties at least twice the minimum dimension of the tie and never less than 3/4 inches from the formed face.

3. Exposed Concrete

a. Do not leave any metal within 1-1/2 inches of the surface for concrete exposed to water, weather, freeze/thaw and similar exposures.

4. Provide positive pressure at all joints to preclude mortar/grout leakage.

D. Forms

1. Install forms sufficiently tight to prevent loss of mortar from the concrete.

2. Permanently exposed surfaces

a. Provide 1" chamfer strips in the corners of forms.

b. Interior corners on such surfaces and the edges of formed joints will not require beveling.

c. Exposed surfaces include surfaces exposed to view or water.

3. Provide positive means of adjustment (wedge or jacks) of shores and struts.

a. Take up all settlement during the concrete placing operation.

b. Securely brace forms against lateral deflections.

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c. Camber the formwork to compensate for anticipated deflection.

4. Temporary openings

a. Provide at the base of columns and wall forms for observation.

b. Where necessary to facilitate cleaning and observation.

5. Hold forms against the hardened concrete to maintain a true surface and to prevent offsets or loss of mortar at the construction joint.

6. Construct wood forms for wall openings to facilitate loosening and counteract swelling of the forms.

7. Adjust wedges if necessary to align forms.

8. Anchor formwork to prevent upward or lateral movement .

9. Runways

a. Place directly on the formwork or structural member

b. Do not rest on the reinforcing steel.

10. Form surfaces:

a. Cover with an approved coating material in accordance with the manufacturer’s recommendations.

b. Do not allow coating to come in contact with reinforcing steel or hardened concrete.

11. Coordinate work with other trades.

E. Tolerances:

1. Construct formwork in conformance with the tolerance limits listed in Table 4.3.1 (ACI

301).

TABLE 4.3.1 - TOLERANCES FOR FORMED SURFACES

1. Variation from plumb:

A. In the lines and surfaces of columns, piers, walls, and in arises:

In 10 ft of length 1/4 in.

Maximum for the entire length 1 in.

B. For exposed corner columns, control-joint grooves, and other conspicuous lines:

In any 20 ft length 1/4 in.

Maximum for the entire length ½ in.

2. Variation from the level or from the grades specified in the contract documents:

A. In slab soffits, ceilings, beam soffits and in arises, measured before removal of supporting shores In any 10 ft of length 1/4 in.

In any bay or in any 20 ft length 3/8 in.

Maximum for the entire length 3/4 in.

B. In exposed lintels, sills, parapets, horizontal grooves, and other conspicuous lines:

In any bay or in 20 ft length 1/4 in.

Maximum for the entire length ½ in.

3. Variation of the linear building lines from established position in plan and related position of columns, walls, and partitions:

In any bay ½ in.

In any 20 ft of length ½ in.

Maximum for the entire length 1 in.

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4. Variation in the sizes and location of sleeves, floor openings, and wall openings +1/4 in.

5. Variation in cross-sectional dimensions of columns and beams and in the thickness of slabs and walls:

Minus 1/4 in.

Plus ½ in.

6. Footings* A. Variations in dimensions in plan:

Minus ½ in.

Plus 2 in.

B. Misplacement or eccentricity:

2 percent of the footing width in the direction of misplacement but not more than 2 in.

C. Thickness:

Decrease in specified thickness 5 percent Increase in specified thickness No limit

7. Variation in steps:

A. In a flight of stairs:

Rise ±1/8 in.

Tread ±1/4 in.

B. In consecutive steps:

Rise ±1/16 in.

Tread ±1/8 in.

*Tolerances apply to concrete dimensions only, not to positioning of vertical reinforcing steel, dowels, or embedded items.

2. Maximum deflection of forms:

a. 1/240 of span or 1/4 inch, whichever is less.

3. Establish and maintain control points and benchmarks to check tolerances until final completion.

F. Inserts, embedded parts, and openings:

1. Coordinate the location of inserts, embedded parts, openings, and recesses with the respective trades.

2. Set and build into the work anchorage devices and other embedded items required for other work that is attached to, or supported by, cast-in-place concrete.

3. Use setting drawings, diagrams, instructions and directions provided by suppliers of the items.

G. Field quality control:

1. Clean and repair surfaces of forms to be re-used in the work.

2. Do not use "patched" forms for exposed concrete surfaces.

3 Inform Engineer 24 hours to placing concrete to allow for formwork inspection.

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3.02 REMOVAL OF FORMS AND SUPPORTS

A. Forms not supporting the weight of the concrete:

1. Remove when the concrete has hardened sufficiently to prevent damage.

B. Forms and shoring used to support the weight of structural members:

1. Do not remove until the concrete has reached 75 % of the design strength.

2. See ACI 306 for cold weather applications.

C. If compression cylinder tests are not available, keep forms and supports in place for not less than the following periods of time:

Where design live load is:

Less than Greater than dead load: dead load:

Building walls 12-24 hr Sides of beams and girders 12-24 hr Floor slabs:

Under 10 ft clear span between supports 4 days 3 days 10 to 20 ft clear span between supports 7 days 4 days Over 20 ft clear span between supports 10 days 7 days

a. If high-early-strength concrete is used, or the ambient temperatures remain below

50F, these periods may be modified at the discretion of the Engineer.

PETOSKEY STATE PARK SECTION 03 15 00

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SECTION 03 15 00

CONCRETE ACCESSORIES (ACI)

1.01 DESCRIPTION:

A. Section Includes:

Furnish and install all concrete accessories

1. Section 01025 - MEASUREMENT AND PAYMENT

2. Section 01300 - SUBMITTALS

3. Section 03 11 00 - CONCRETE FORMING (ACI)

4. Section 03 20 00 - CONCRETE REINFORCING (ACI)

5. Section 03 30 00 - CAST-IN-PLACE CONCRETE (ACI)

1.02 SUBMITTALS

A. Make submittals in accordance with Section 01300 - SUBMITTALS.

PART 2 PRODUCTS

2.01 MATERIALS:

A. Water stops:

1. Polyvinyl chloride waterstops

a. 6 inches by 3/8 inches

b. ribbed or serrated with center bulb (1.2 lbs/ft minimum)

2. Meet or exceed the physical property requirements set forth in the U.S. Corps of Engineers specification CRD-C572-74, or latest revision.

3. Greenstreak 705; Vinylex RB6-38; A. C. Horn Type 5; or equal.

B. Inserts for general trades:

1. Malleable iron, strength as required.

2. Include bolts, nuts, and washers.

3. Heckman Building Products, Hohmann & Barnard, Inc.; or equal.

C. Premolded expansion strips:

1. W.R. Meadows, Inc.; Celotex Corporation; or equal.

2. Asphalt impregnated fiberboard, ASTM D-1751.

D. Expansion joint filler:

1. Neoprene NN2 semi-rigid closed cell

2. Use bond breaker between joint filler and joint sealant.

3. Willaims Products Inc. Everlastic; or equal

E. Construction joint form for building floor slabs on grade:

1. Sixteen gauge, tongue and groove galvanized metal by Superior Concrete Accessories, Inc., Heckman Building Products Company; or equal.

F. Control joint form for building floor slabs on grade:

1. Twenty gauge galvanized steel.

2. Depth: 1/4 the slab thickness or more.

3. Heckman Building Products Company, Superior Concrete Accessories, Inc.; or equal.

PETOSKEY STATE PARK SECTION 03 15 00

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G. Concrete stair nosings on cast-in place concrete stairs:

1. Abrasive cast aluminum 4" wide, 6" shorter than tread

2. Wooster type 101 with cast on anchors; or equal.

3.01 INSTALLATION

A. As indicated on the Drawings, specified in various other Sections, and as necessary for the proper and complete performance of this Work.

B. Waterstops:

1. Install according to manufacturer’s recommendations.

2. Perform all splices in length or at intersections by heat sealing in accordance with manufacturer’s recommendations.

3. Hold in place with hog rings and wire tie as required.

C. Piping, mechanical and electrical equipment support:

1. Inserts for hangers

a. Supplied by the trade whose work is supported

2. Location

a. Given to the General Contractor by the various trades.

3. Installation

a. By the General Contractor.

PETOSKEY STATE PARK SECTION 03 20 00

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SECTION 03 20 00

CONCRETE REINFORCING (ACI)

1.01 SUMMARY

A. Section Includes:

The furnishing and installation of all concrete reinforcement.

B. Related Sections:

1. Section 01025 - MEAUSUREMENT AND PAYMENT

2. Section 01300 - SUBMITTALS

3. Section 03 11 00 - CONCRETE FORMING

4. Section 03 15 00 - CONCRETE ACCESSORIES

5. Section 03 30 00 - CAST-IN-PLACE CONCRETE

1.02 SUBMITTALS

A. Make all submittals in accordance with Section 01300 – SUBMITTALS.

B. Shop Drawings:

1. Submit Shop Drawings showing the number, size, length, mark, location, and bending diagrams for all reinforcement.

2. Prepare Shop Drawings in accordance with "Manual of Standard Practice for Detailing

Reinforced Concrete Structures" of the ACI.

1.03 DELIVERY AND STORAGE

A. Reinforcement shall be stored above the surface of the ground on platforms, skids, or other supports and shall be protected from mechanical injury and surface deterioration caused by exposure to conditions producing rust.

A. General:

1. All concrete reinforcement and accessories:

a. New, free from paint, oil, and structural defects.

2. Reinforcement with rust and/or mill scale which meets the applicable ASTM standard is acceptable.

B. Reinforcing bars:

1. ASTM A 615, Grade 60

C. Welded wire fabric:

1. ASTM A 185 Fy = 65,000 PSI

2. Plain, cold drawn, electrically welded fabric

D. Accessories:

1. In conformance with CRSI "Manual of Standard Practice for Reinforced Concrete

Construction".

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2. Use plastic-tipped chairs and bolsters at exposed underside of concrete.

2.02 FABRICATION

1. Fabricate reinforcement accurately to the dimensions indicated on the Drawings and the approved Shop Drawings, in accordance with the tolerance given in ACI 315.

2. Bend hooks in accordance with ACI 350.

3.01 PLACING

A. Tolerances and clearance:

1. See CRSI "Placing Reinforcing Bars," latest edition.

2. Place bars to the following tolerances:

Clear Distance to Formed Surfaces: ±1/4 inch Minimum Spacing Between Bars: ±1/4 inch Top Bars in Slabs and Beams:

Members 8 in. deep or less: ±1/4 inch Members More than 8 in. but not over 2 feet deep: ±1/2 inch Members More than 2 ft deep: ±1 inch Crosswise of Members: spaced evenly within 2 inches Lengthwise of Members: ±2 inches

3. Move bars as necessary to avoid interference with other reinforcing steel or embedded items.

4. Minimum concrete protective covering for reinforcement shall be as follows, unless shown otherwise on the Drawings:

a. Concrete deposited against the ground: 3 inches

b. Slabs poured over a mud mat: 2 inches

c. Top steel in floor slabs exposed to water or wastewater

i. interior surface: 2 inches

ii. exterior surface: 2 inches

d. Formed surfaces exposed to weather or in contact with the ground:

i. reinforcing bars #6 or larger: 2 inches

ii. reinforcing bars less than #6: 1-1/2 inches

e. Interior surfaces: 1-1/2 inches for beams, girders, and columns; 3/4 inches for slabs, wall, and joists with #11 bars or smaller.

B. Installation:

1. Clean reinforcement of materials which adversely affect or reduce the bond. When reinforcement is placed in the work, reinforcement shall be free from dirt, loose rust or scale, mortar, paint, grease, oil, or other nonmetallic coatings that reduce bond. Epoxy coatings of reinforcing steel in accord with standards in this article shall be permitted.

Reinforcement shall be free from all injurious defects such as cracks and laminations.

Bonded rust, surface seams, surface irregularities, or mill scale will not be cause for rejection, provided minimum dimensions, cross-sectional area, and tensile properties of a hand wire brushed specimen meet the physical requirements for size and grade steel specified.

2. Support and fasten reinforcement to prevent displacement beyond the tolerances of paragraph 3.01A.

3. Supporting concrete blocks may be used on ground.

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4. Use metal, plastic or other approved bar chairs and spaces over formwork.

5. Use plastic coated accessories within ½ inch of the formed concrete surface.

6. Over-lapped welded wire fabric:

a. The overlap measured between the outermost cross wires of each sheet should be 2 inches or greater.

b. Extend fabric across supporting beams and walls to within 4 inches of concrete edges.

c. Adequately support the fabric during placing in accordance with paragraph 3.01.B.2 or by laying it on a layer of fresh concrete of the correct depth before placing the upper layer of the slab.

7. Offset vertical bars in columns at least one bar diameter at lapped splices.

8. Furnish template for all column dowels to insure proper placement.

9. Splices not shown in the Contract Documents must be approved by the Engineer.

10. Do not bend reinforcement embedded in hardened concrete.

11. Splice in conformance to "Reinforcing Bar Splices" latest edition by the Concrete

Reinforcing Steel Institute and the "Building Code Requirements for Reinforced Concrete (ACI 350).

12. Circular ring tension steel laps: 40 bar diameters or greater

13. Place principal (moment-carrying) reinforcement in wall and slabs in the layer closest to the forms.

14. Place temperature steel at right angles to and in contact with the principal steel.

3.02 FIELD QUALITY CONTROL

A. Notify Engineer at least 24 hours prior to placement of concrete and when reinforcing is in place.

PETOSKEY STATE PARK SECTION 03 30 00

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SECTION 03 30 00

CAST-IN-PLACE CONCRETE (ACI)

1.01 DESCRIPTION

A. Section Includes:

Furnish, place, and finish all cast-in-place concrete and accessories.

B. Related Sections:

1. Section 01025 - MEASUREMENT AND PAYMENT

2. Section 01300 - SUBMITTALS

3. Section 01400 – QUALITY CONTROL

4. Section 03 11 00 - CONCRETE FORMING (ACI)

5. Section 03 20 00 - CONCRETE REINFORCING (ACI)

6. Section 03 15 00 - CONCRETE ACCESSORIES (ACI)

1.02 QUALITY ASSURANCE

A. Codes and standards:

1. ACI 301 - "Specifications for Structural Concrete for Buildings"

2. ACI 350R - "Concrete Sanitary Engineering Structures"

3. ASTM C 94 - "Standard Specifications for Ready-Mixed Concrete".

4. ACI 318 - "Building Code Requirements for Reinforced Concrete”.

B. Tests:

1. Performed in accordance with Section 01400 – QUALITY CONTROL SERVICES and this Section.

2. Slump tests

a. Per ASTM C 143 and C 172.

b. Frequency:

Once per truck

3. Compression cylinder tests

a. Make and cure specimens per ASTM C 31

b. Four specimens per test.

c. Frequency: Once per day or every 50 yd3 for each strength or type

4. Air-entraining test

a. In accordance with ASTM C 231

b. Frequency Each truckload.

5. Acceptance and evaluation

a. Based on ACI 301 "Specifications for Structural Concrete for Buildings”.

b. Hardened Concrete Testing

i. May be required by Owner or Engineer

ii. Per ASTM C 42 or ASTM C-31

iii. In accordance with the ACI "Building Code for Reinforced Concrete" (ACI - 318).

1.03 SUBMITTALS

A. General Make submittals in accordance with Section 01300 - SUBMITTALS.

B. Mix designs:

1. ACI 211.1 - “Recommended Practice for Selecting Proportions for Normal and

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Heavyweight Concrete”

2. Furnish mix design(s) with test report(s) by an independent testing laboratory for each mix.

3. Furnish the following material content per cubic yard of each class of concrete furnished:

a. Dry weight of cement.

b. Saturated surface and dried weights of fine and coarse aggregates.

c. Quantities, type, and name of admixtures.

d. Weight of water.

4. Provide product information on all components of mix design

C. Test reports:

1. Provide at 7 days and 28 days test reports in accordance with Section 01400 –

QUALITY CONTROL.

2. Immediately notify the Engineer if any test specimen fails to meet the required specification tolerances.

A. Cement:

1. Portland cement

2. ASTM, C150

3. Type I

B. High early cement:

1. Portland cement

2. ASTM C150

3. Type III

C. Aggregates:

1. Fine and coarse aggregates

a. Conform to ASTM C 33.

2. Coarse aggregate

a. 1 inch maximum.

3. Limit coarse aggregate as follows:

a. Soft particles: 2.0%.

b. Chert as a soft impurity (defined in Table 3 of ASTM C 33): 1.0%.

c. Total of soft particles and chert as a soft impurity: 2.0%.

d. Flat and elongated particles, long dimension more than five times short dimension:

15.0%.

D. Flyash: ASTM C 618

E. Water: Potable.

F. Admixtures:

1. Air entrainment: ASTM C260

2. Water reducing agents: ASTM C494

3. Retarding agent at Contractor's option: ASTM C494

4. Accelerating agent at Contractor's option: ASTM C494

5. No admixture shall contain calcium chloride.

G. Membrane curing compounds:

1. Moisture retention properties: ASTM C309.

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2. Material compatible with application of other surface materials.

H. Base plate and equipment grout:

1. ASTM C1107, “Specification for Packaged Dry, Hydraulic Cement Grout (Nonshrink)”.

2. CRD-C 621, “Corps of Engineers Specification for Nonshrink Grout.”

I. Epoxy bonding agent:

Concressive 1001-LPL, Adhesive Engineering Company; or equal.

J Skid resistant topping:

1. Furnish where called for on the plans

2. Install in accordance with manufacturer’s recommendation

3. Euclid Chemical Company, Cleveland, OH; Sonneborn Building Products, Minneapolis;

or equal

2.02 CONCRETE MIX

A. Proportioning:

1. In accordance with ACI 211.1 - "Standard Practice for Selecting Proportions for Normal, Heavy Weight and Mass Concrete"

2. Selected and documented in accordance with ACI-318 - "Building Code Requirements for Reinforced Concrete"

3. Provide mix design, test records, calculations and other documentation to Engineer in accordance with the General Conditions Article 6.

B. Specified compressive strength (f'c): 4000 psi.

C. Maximum water-cement ratio by weight:

1. 0.45 without superplasticizers

2. 0.40 with superplasticizers.

3. 0.39 structures in contact with wastewater

D. Cement factor Based upon required strength with W/C ratio per ACI 211.1.

E. Air entrained concrete

1. Total air content:

a. 6% +- 1% for all concrete exposed to freezing and thawing, including all wastewater and potable water containment vessels.

b. 3% +- 1% for all other concrete.

F. Slump limits (Before Plasticizers) Max. Min.

1. Reinforced foundation walls and footings 3" 1"

2. Unreinforced footings, caissons and substructure walls 3" 1"

3. Reinforced slabs, beams and walls 4" 1" Max. Min.

4. Building columns 4" 1"

5. Pavements 3" 1"

6. Sidewalks, driveways and slabs on ground 4" 2"

2.03 PRODUCTION AND MIXING

A. Production:

1. Ready mixed concrete Batched, mixed, and transported in accordance with ASTM C 94.

2. Use only transit mixed concrete from NRMCA certified mixing plants or plant approved by the Engineer.

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3. Ready-mix delivery tickets:

Furnish with each batch of concrete before unloading at the site with the following information:

a. Name of ready-mix batch plant.

b. Serial number of ticket.

c. Date and truck number.

d. Name of Contractor.

e. Job name and location.

f. Specific class or designation of concrete.

g. Amount of concrete (cubic yards).

h. Time loaded or of first mixing of cement and aggregates.

I. Type, name and amount of admixture.

j. Type, brand and amount of cement.

k. Total water content by producer (or W/C ratio).

l. Maximum size of aggregate.

m. Weights of fine and coarse aggregates.

B. Mixing:

1. Add water at the job site only if the total amount of water is equal to or less than that specified by the concrete mix design and slump remains within allowable limits.

2. Mix 30 additional revolutions of the drum if water is added to mixed concrete at the job site.

3. Completely discharge the concrete within 1-1/2 hours after introduction of mixing water to the cement or 1 hour after arriving at the site, whichever is sooner.

4. If the ambient air temperature exceeds 85 F, the time may be reduced by the Engineer as required.

5. Do not retemper concrete that has partially set.

C. Adjustments for weather conditions:

1. Cold weather:

Minimum Minimum Ambient Air Concrete Temperature Temperature oF oF

30 to 45 60 15 to 30 65 below 15 no concreting permitted

Do not mix cement with water or aggregates above 100 0F.

2. Hot weather (ambient temperature 90 oF. or above)

a. Conform to "Recommended Practice for Hot Weather Concreting" ACI 305R.

b. An approved set retarder will be permitted under hot weather conditions

3.01 PLACING

A. Pre-placement inspection:

1. Inspect and complete:

a. Formwork installation

b. Reinforcing Steel

c. Embedded or cast-in items

2. Notify and cooperate with other Contractors and trades

3. Notify Engineer at least 24 hours in advance of pouring

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4. Thoroughly wet wood forms immediately before placing concrete as required where form coating is not used.

5. Clean all mixing and transporting equipment

6. Remove all debris, water, and ice before placing concrete.

B. Handling:

Prevent separation or loss of ingredients while transporting concrete.

C. Method and rate:

1. Place all concrete in accordance with:

a. ACI 304R - “Recommended Practice for Measuring, Mixing, Transporting and

Placing Concrete”

b. ACI 304.2R - “Placing Concrete by Pumping Method”

2. Place in a manner to avoid segregation.

3. Place concrete continuously until the panel or section is complete.

4. Do not deposit fresh concrete on hardened concrete, without a properly prepared cold joint.

5. Place horizontal layers with a maximum thickness of 18 inches.

6. Place concrete in columns, deep beams, and walls with an elephant trunk or tremie to avoid segregation for vertical drops exceeding 3 feet.

7. Placing floors and slabs:

Place evenly over the entire area.

8. Protect new concrete from rain until it has hardened sufficiently to prevent damage.

D. Compaction:

1. Mechanically vibrate as concrete is places for a sufficient duration to accomplish thorough compaction and complete embedment of reinforcement and fixtures.

2. Do not vibrate long enough to cause segregation of mix.

3. Vibrators: Comply with ACI 309 - “Standard Practice for Consolidation of Concrete”

4. Do not use vibrators to transport concrete inside of forms.

5. Insert and withdraw vibrators vertically at uniformly spaced locations not farther than the visible effectiveness of the machine.

6. Do not insert vibrators into lower layers of concrete that have begun to set.

7. Make at least two vibrators, all in good working condition, available for use during all pouring operations.

8. For large pours in excess of 50 cubic yards, three vibrators shall be available.

3.02 PROTECTION AND CURING

A. General:

1. Prevent the concrete surface temperature from falling below 50 F

2. Prevent loss of moisture from the surface:

a. Normal portland cement: 7 days.

b. High-early-strength portland cement: 3 days.

B. Curing:

1. Treat all beams, columns, slabs, and walls with a liquid membrane-forming curing compound as specified under Materials immediately after finishing or removing forms.

2. Apply in strict compliance with manufacturer's instructions.

3. Use alternate methods of curing such as ponding, continuous sprinkling, etc only with the prior approval of the Engineer.

C. Protection:

1. Protect all freshly placed concrete from damage due to low temperatures when the mean daily temperature is below 40`F (4.5`C) in accordance with ACI 306R.

3.03 JOINTS AND EMBEDDED ITEMS

03-16

A. Construction joints:

1. Joints not shown in the Contract Documents must be approved by the Engineer

2. Continue all reinforcement across joints

3. Provide longitudinal keys at least 1-1/2 inches deep:

a. In all joints in walls

b. Between walls and slabs or footings

4. Before placing adjoining concrete:

a. Thoroughly clean the joint surface

b. Remove all laitance

5. Roughen the concrete surface in an approved manner to obtain bond

6. Refer to standard structural details for construction joint details.

B. Control joints:

Construct control joints as outlined in Section 3.03A and as detailed on plans.

C. Expansion joints:

1. Do not extend reinforcement or other embedded metal items bonded to the concrete

(except dowels in floors, bonded on only one side of joints) continuously through any expansion joint.

2. Premolded expansion joint filler

a. Intersections of walls and slabs on grade unless otherwise shown

i. "Specification for Preformed Expansion Joint Filler for Concrete (Bituminous Type)” (ASTM D 994)

b. Slabs on grade where slab to slab is jointed.

i. "Specification for Preformed Expansion Joint Fillers for Concrete Paving and

Structural Construction (Non-extruding and Resilient Bituminous Types)"

(ASTM D 1751)

D. Waterstops:

1. At joints as called for on the construction plans.

2. See Section 03 15 00 E. Other embedded items:

1. Placement of all embedded pipe, conduit and other fixtures is the responsibility of the

Contractor.

2. Conform to ACI 318.

3. Place all sleeves, inserts, anchors, and embedded items required for adjoining work or for its support prior to concreting.

4. Position and support expansion joint material, waterstops, and other embedded items against displacement.

5. prevent the entry of concrete into sleeves, inserts, and anchor slots.

3.04 SURFACE TREATMENT

A. Patching:

1. Patch all poor joints, voids, honeycomb, defective areas and tie holes immediately after stripping forms.

2. Remove all laitance and foreign materials from areas to be patched by means of sandblasting.

3. Patch material

a. Mortar with the same proportions as the concrete to be patched

b. Omit coarse aggregate.

4. Bond patch material to concrete with a two-component liquid epoxy bonding agent in accordance with manufacturer's instructions and recommendations.

5. Use an epoxy adhesive for bonding plastic concrete to hardened concrete in conformance with “Standard Specification for Bonding Plastic Concrete to Hardened Concrete with a Multi-Component Epoxy Adhesive" - ACI 503.2, except as modified by the requirements of this project specification.

03-17

B. Wall finishes:

1. Remove all fins.

2. Repair all damaged areas, including those discolored, spalled, cracked or non-uniform in texture to the satisfaction of the Engineer.

3. Concrete surfaces exposed to view

a. Finish exterior walls down to a point one foot below finished grade

b. Finish interior surfaces of tanks to a point one foot below the water line

4. After repairing defects, apply an Engineer approved waterproof coating in accordance with manufacturer’s recommendations.

C. Troweling floors:

1. Trowel finish all floors.

2. After screeding and as soon as concrete has set sufficiently:

a. Float surface

b. Steel trowel surface

c. Provide smooth, hard, dense finish free from trowel marks, blemishes, and irregularities.

3. Finish platforms, walks, drives, and steps to a broom surface.

4. Leave a 2-inch border around panels in sidewalks and platforms.

5. Power float slab areas which receive a topping or grout base and tile.

D. Membrane curing and sealer compounds:

1. Apply curing compounds immediately after stripping forms.

2. Apply compound per manufacturer’s recommendations and in accordance with ASTM C

309.

E. Skid resistant topping:

Apply in accordance with manufacturer's recommendations.

3.05 SPECIFIC ITEMS OF CONSTRUCTION

A. Liquid containing concrete tank and channel walls:

1. Install waterstops in all joints below maximum water level.

2. Immediately remove All seepage through cracks in walls by epoxy injection.

B. Expansion strips:

1. Where indicated on the Drawings

2. At intersections of building floor slabs and vertical surfaces

3. Around columns

C. Slab Toppings:

1. Toppings are required where indicated on the Drawings.

2. Immediately before pouring topping, wet down surface of rough slab.

3. Where topping is poured over precast-prestressed concrete members, set screeds to give indicated slab thickness at center of span.

E. Stairs and platforms:

Place abrasive nosings on all concrete stairs.

F. Base plate and equipment grouting:

1. Add only water and use mechanical mixer for minimum of three minutes.

2. Protect from freezing.

3. Cure in accordance with manufacturer's recommendation.

03-18

G. Miscellaneous items:

1. Perform all concrete work for mechanical and electrical trades including but not limited to vaults, valve and meter pits, light pole bases, and machine bases.

2. Accessories such as manhole rings, ladder rings, pulling eyes, anchor bolts, etc., may be furnished by other trade but installed by the Contractor.

H. Chamfer:

Chamfer all exposed concrete edges 1" x 1" unless otherwise indicated on the Drawings.

I. Grout:

"Grout" as called for on the Drawings and used as a topping slab or shaped fill for water flow shall be a 3000 psi or greater concrete mix. Sections requiring less than 2" thick shall have a maximum aggregate size of 3/8 inch.

3.06 HYDROSTATIC LEAK TESTS FOR CAST-IN-PLACE CONCRETE TANKS

Cast-in-place concrete structures which are designed to normally be filled with liquid will be subjected to a hydrostatic leak test.

B. Test procedure:

1. Conduct the test before the tank is backfilled to allow visual observation of the floor slab

- outer wall construction joint.

2. Fill each tank to its design liquid depth for a minimum period of 24 hours.

3. No visible leakage shall be allowed.

4. Any measurable loss of water over the 24-hour period shall be grounds for rejecting the test as unsatisfactory.

5. Empty, repair and retest the tank if the test fails.

6. All labor, equipment, and water required for testing each tank are the responsibility of the Contractor.

PETOSKEY STATE PARK SECTION 09 90 00

09-1

SECTION 09 90 00

PAINTING AND COATING

1.01 WORK INCLUDED:

A. Work includes painting of all ferrous metals, including but not necessarily limited to the following items. In general, all ferrous metal (including galvanized) will be painted unless it is buried pipe.

- all structural steel bridges, decks, and stairways.

- all exposed metal machinery, control boxes, etc.

- miscellaneous metal hangers, supports, etc.

- all pipe and fittings

B. Specifically excluded from these painting requirements are:

- all aluminum handrails, grating, and stair treads.

- any machinery that comes prefinished from the factory.

1.02 RELATED SECTIONS

A. Section 01300 - SUBMITTALS B. Section 10 14 00 – SIGNAGE

PART 2 PRODUCT, SUBMITTALS AND PREPARATION

2.01 Materials:

A. All materials specified herein are manufactured by the Tnemec Company, Inc., North Kansas

City, Missouri and are approved for use of this project.

B. Equivalent materials of other manufacturers may be substituted for approval of the Owner.

Requests for substitution shall include manufacturer's literature for each product giving the name, generic type, descriptive information, solids by volume, recommended dry film thickness and a list of 10 projects where each product has been used and rendered satisfactory service for at least 3 years. No request for substitution shall be considered that would decrease film thickness and/or number of coats or offers a change in the general type of coating specified.

C. Colors, where not specified, shall be as selected by the engineer.

2.02 Submittals:

In addition to manufacturer’s data, application instructions, and label analysis for each coating material, submit samples if requested until required sheen, color and texture is achieved.

Resubmit samples until required sheen, color and texture is achieved.

2.03 Delivery and Storage:

Deliver materials to job site in new original, and unopened containers bearing manufacturer’s name, trade name, and label analysis. Store where indicated in accordance with manufacturer’s instructions.

09-2

2.04 Protection:

Protect work of other trades. correct any painting related damages by cleaning, repairing or replacing, and refinishing, as directed by OWNER.

2.05 Coordination:

Provide finish coats which are compatible with prime paints used. Provide barrier coats over incompatible primers where required. Notify the OWNER in writing of anticipated problems using specified coatings with substrates primed by others.

2.06 Surface Preparation:

Perform preparation and cleaning procedure in strict accordance with coating manufacturer’s instructions for each substrate condition.

PART 3 - PERFORMANCE OF WORK

3.01 PAINT SYSTEMS FOR EXTERIOR PROCESS UNITS

A. Material Preparation:

Mix, prepare, and store painting and finishing materials in accordance with manufacturer’s directions.

B. Application:

1. Materials shall be mixed, thinned and applied according to the manufacturer’s printed instructions.

2. Allow each coat to dry thoroughly before applying the next coat.

3. All work shall be cut in neatly and finish coats shall be uniform in color and texture without streaks, laps, heavy build-ups, runs, sags, or missed areas.

C. Acceptance of work:

1. Request acceptance of each coat before applying the next coat.

2. Correct work that is not acceptable and request reinspection.

D. Painting schedule: (all thicknesses for dry film)

1. Steel - structural, pipes, equipment, etc.

a. Exterior, non immersion; factory-primed with #66-1211 primer (3.0 to 4.0 mils)

- Series 73 Endura-Shield III Acrylic Polyurethane Enamel

- Surface preparation: SSPC-SP6

- Factory prime coat: 66-1211 Hi-build Epoxoline (3.0 to 4.0 mils)

- Field coats:

Intermediate: 66-color Hi-build Epoxoline (2.0 to 3.0 mils) Final: 73-color Endura-Shield III (2.0 to 3.0 mils) Total (7.0 to 10.0 mils)

b. Exterior; non-immersion:

- Series 73 Endura-Shield III Acrylic Polyurethane Enamel

- Surface preparation: see manufacturer’s recommendations for various surfaces.

- Field coats:

1st coat: 66-color Hi-build Epoxoline (4.0 to 6.0 mils) 2nd coat: 73-color Endura-Shield III (2.0 to 3.0 mils) Total (6.0 to 9.0 mils)

09-3

c. Exterior; immersion or intermittent immersion

- Series 46H-413 Hi-build TNEME-TAR coal tar-epoxy

- Surface preparation: see manufacturer’s recommendations for various surfaces.

1st coat: 46H-413 Coal tar-epoxy (14.0 to 20.0 mils) Total (14.0 to 20.0 mils)

2. Steel - Galvanized Pipe

- Interior, non-immersion:

- Surface preparation: see manufacturer’s recommendations

- Field coats:

Primer: 66 color Hi-build Epoxoline (2.0 to 3.0 mils)

Final: 66 color Hi-build Epoxoline (2.0 to 3.0 mils)

Total (4.0 to 6.0 mils)

3. Ductile Iron

- Interior, non-immersion

- Surface preparation: see manufacturer’s recommendations

- Field coats:

Primer: 66 color Hi-build Epoxoline (3.0 to 5.0 mils) Final: 66 color Hi-build Epoxoline (4.0 to 6.0 mils) Total (7.0 to 11.0 mils)

PETOSKEY STATE PARK SECTION 10 14 00

10-1

SECTION 10 14 00

SIGNAGE

1.01 DESCRIPTION

A. Work included:

1. Furnishing and installation of all safety and informational signs and identification devices.

2. Pipe identification and labeling.

B. Related sections:

1. Section 01300 - SUBMITTALS

2. Section 09 90 00 - PAINTING

1.02 SUBMITTALS

A. Make all submittals in accordance with General Conditions Article 6 - SUBMITTALS

B. Submit samples and proposed wording for all signs prior to ordering signs and identifying devices.

C. Provide the following samples of each sign:

1. Initial selection of color, pattern, and texture:

a. Cast Acrylic Sheet and Plastic Laminate: Manufacturer's color charts consisting of actual sections of material including the full range of colors available for each material required.

2. Verification of color, pattern, and texture selected:

a. Cast Acrylic Sheet and Plastic Laminate:

i. Sample panel size: 8-1/2 inches by 11 inches minimum.

ii. Include a panel for each color, texture, and pattern required.

iii. On each panel include a representative sample of the graphic image process required, showing graphic style, and colors and finishes of letters, numbers, and other graphic devices.

1.03 QUALITY ASSURANCE

Obtain all signs from one manufacturer.

1.04 PRODUCT HANDLING

Protect from damage during handling, installation, and subsequent construction activity. Repairs and/or replacement due to damage will be the responsibility of the contractor

2.01 DUMP STATION SIGNS

A. Meet all applicable DNR requirements as to size, colors, wording, and design.

B. Design requirements:

1. Fiberglass (Direct Safety Company, or equal), or other weatherproof material suitable for exterior mounting.

10-2

C. Location and suggested wording: Exact wording of signs may vary with prior approval of the

Engineer.

1. Wording: "Potable Water" Location: One for each of the water towers or where water is accessible to customers

Color: Green Size: 6” x 12”

2. Wording: "Non-potable Water"

Location: One for each of the water towers or where water is accessible to customers Color: Red

Size: 6” x 12”

3. Wording: "Non-Registered Campers DUMP or FILL" Location: One placed at sanitation station

Color: As noted Size: 12” x 18”

2.02 PIPE IDENTIFICATION

A. Pipe painting color schedule:

1. Interior exposed ductile iron, galvanized steel, and black iron pipe.

a. Sludge lines brown

b. Gas lines orange

c. Sewage lines gray

d. Compressed air lines green

e. Decant lines: brown with yellow band

f. Non-potable water: blue with black band

g. Potable water: blue

2. Exterior exposed pipe: Match the adjacent structure, with final color approval to be made by the Owner.

B. Pipe banding and labeling:

1. General: Identify all accessible piping with colored band and labels at the following locations:

2. Location:

a. Adjacent to each valve.

b. Each branch and riser at take-off.

c . At each pipe passage through wall or floor.

d. At not more than 25 feet spacing on straight pipe runs.

e. At each change in direction.

f. Aluminum Sulfate lines:

i. 10 feet maximum band and label spacing

ii. At least two per room.

3. Identification Tags:

a. Use on pipes to small for band and label application.

b. Not less than 1-1/2 inch in diameter with depressed black figures 1/2 inch high.

4. Materials:

a. Paint on the pipe or pipe covering, or

b. Pressure sensitive tape pipe markers.

5. Labels:

a. Upper case letters and Arabic numerals

b. Provide arrows shall adjacent to labels to indicate the direction of flow under normal

10-3 operating conditions.

6. Painted bands and labels:

a. Two coats minimum

b. Prime coat specified under 09 90 00 – PAINTING AND COATING

c. Where piping is not required to receive general painting, a band prime coat followed by a finish coat shall be applied under this section.

d. Piping with asphalt varnish: remove with solvent, or other means, for the extent of the required band dimensions.

e. Apply labels and arrows over the bands with one or two coats of finish paint as required to obtain complete hiding.

f. All prime and finish paint materials shall conform to applicable requirements of

Section 09 90 00, except as specified under this section.

7. Pipe markers:

a. Sizes, colors, and labels: same as specified for painted bands and labels.

b. Provide cleaning or precovering materials necessary to insure permanent adhesion.

c. Use markers from manufacturer that have been used successfully for 2 years minimum in similar application.

8. Color and sizing schedules:

a. Table 1

Outside Diameter Minimum Width Size of Label of Pipe or Pipe Covering of Color Band Letters and Numerals

3/4" to 1-1/4" 3" 1/2" 1-1/2" to 2" 3" 3/4" 2-1/2" to 6" 3" 1-3/4" 8" and up 3" 2-1/2"

b. Table 2

Pipe Control Band Color Label Color Label Wording Wastewater Sludge None * Sludge Raw Wastewater None * Raw W.W.

Return Activated Sludge None * R.A.S.

Waste Activated Sludge None * W.A.S.

Compressed Air None * Air Natural Gas Orange * Gas Fuel Oil Orange * Oil Chlorine Solution Yellow * CL2 Aluminum Sulfate Solution Yellow * Al2SO4 Water Potable cold Blue * CPW Potable hot Blue * HPW Potable tempered Green * TPW Service water Red * SW Final Effluent Water Red * FEW

* Label color must contrast with background. Use either black, white or band color.

c. The colors referred to in Table II shall be similar to the color ships in Federal Standard

595, as identified by number in the color schedule below. If the base paints do not match the color ships, they shall be mixed with the proper colors in oil to obtain matching required. All color matching shall be subject to approval.

10-4

COLOR SCHEDULE

Color Number Fed. Std. 595 Red 11105 Yellow 13655 Black 17038 White 17875 Green 14260 Blue 15102

Orange 12473

6" 12"

Sign to be placed at water towers at sanitation stations or anywhere water is accessible to customers.

Sign placed at sanitation sanitations depicting whether that park allows dumping or filling of non-registered campers.

12"

PETOSKEY STATE PARK SECTION 31 00 00

31-1

SECTION 31 00 00

EARTHWORK

1. Excavating, shaping, and grading surface

2. Excavating and backfilling for pipe trenches

3. Placing fill and embankments

4. Salvaging and stockpiling select material

5. Disposal of surplus or unsuitable material

6. Other earthwork indicated on the plans for site modification or placement of structures.

B. Related Sections

01025 MEASUREMENT AND PAYMENT

31 23 19 DEWATERING

31 40 00 SHORING AND UNDERPINNING

1.02 QUALITY ASSURANCES

A. Materials:

1. All materials used as fill or sub-base shall be approved by the Engineer.

2. Determine gradation in accordance with ASTM C-136.

3. Determine percent loss by washing in accordance with ASTM C-117.

B. Compaction:

1. Determine maximum density using the Modified Proctor Method, ASTM D-1557.

2. Engineer may approve other field determinations of maximum density, such as Michigan

Cone.

3. Field determination of in place density shall be by Nuclear Density Method, ASTM D-

2922, or other approved method.

C. Except as modified by this Section, perform earthwork in accordance with Division 2, MDOT Standard Specifications.

1.03 SITE CONDITIONS

A. Soil Borings

1. No soil boring were conducted as part of this project. Soil borings from previous projects may be available from the owner if requested.

1.04 MEASURMENT AND PAYMENT

A. All work under this Section shall be considered as incidental to construction, unless specifically indicated on the BID SCHEDULE and referred to in Section 01025

MEAUSREMENT AND PAYMENT.

1.05 REFERENCED STANDARDS

A. Unless otherwise specified, the work for this Section shall conform to the applicable portions of the following Standard Specifications:

31-2

ASTM - American Society for Testing and Materials MDOT - Michigan Department of Transportation OSHA - Occupational Health and Safety Association

1. All fill material shall be approved by the Engineer prior to placement.

2. Fill material shall be free from clay, organic matter, roots, debris, and frozen soil.

3. Obtain fill material from on-site excavations, or from an approved borrow area.

4. Provide Testing Laboratory with access to material source.

B. Class II and III backfill:

Granular material meeting requirements of Section 902 of the MDOT Standard Specifications for construction.

C. Pipe Bedding:

Granular material meeting requirements of ASTM D2321

D. Topsoil:

Dark brown or black loam, clay loam, or sandy loam, of a fertile, humus soil origin.

3.01 DUST CONTROL

A. Control dust at the Work area at all times to prevent dust from becoming a nuisance to the public, neighbors, or the work of others on the site.

B. Provide moisture or otherwise treat surfaces to control dust.

3.02 TOPSOIL

A. Removal:

1. Remove all topsoil from areas to be occupied by structures, improved surfaces, or where new grades are to be established.

2. Stockpile topsoil for future use in finish grading at a site approved by the Engineer.

B. Application:

1. Provide topsoil over all disturbed areas not occupied by structures or improved surfaces.

2. Spread the stockpiled topsoil over the prepared rough grade to a minimum depth of 4 inches.

3. Provide additional topsoil as required to complete the Work.

4. Finish grade, and rake the topsoil to remove all stones, sticks, roots, and debris in preparation for seeding.

5. Excess topsoil may be used for fill in non critical areas.

3.03 EXCAVATING-GENERAL

A.…