551-22184.CAK - MSP-Ionia EB Scale - Spec 4 of 4.pdf

Bidding and Contract Document Eastbound I-96 Weigh Station File No. 551/22184.CAK

22146 SITE CLEARING 311000 - 1

SECTION 311000 - SITE CLEARING

PART 1 - GENERAL

1.1 RELATED DOCUMENTS

A. Drawings and general provisions of the Contract, including General and Supplementary Conditions and Division 1 Specification Sections, apply to this Section.

1.2 SUMMARY

A. This Section includes the following:

1. Protecting existing groundcovers, plants and grass to remain.

2. Removing existing groundcovers, plants and grass.

3. Stripping and stockpiling topsoil.

4. Removing above- and below-grade site improvements.

5. Disconnecting, capping or sealing, and abandoning site utilities in place or removing site utilities.

6. Temporary erosion and sedimentation control measures.

B. Related Sections include the following:

1. Division 01 Section "Temporary Facilities and Controls" for temporary utilities, temporary construction and support facilities, temporary security and protection facilities, and temporary erosion and sedimentation control procedures.

2. Division 01 Section "Execution" for verifying utility locations and for recording field measurements.

3. Division 02 Section "Structure Demolition" for demolition of buildings, structures, and site improvements.

4. Division 31 Section "Earthwork" for soil materials, excavating, backfilling, and site grading.

5. Division 32 Section "Turf and Grasses" for finish grading including preparing and placing planting soil mixes and testing of topsoil material.

1.3 DEFINITIONS

A. Topsoil: Natural or cultivated surface-soil layer containing organic matter and sand, silt, and clay particles; friable, pervious, and black or a darker shade of brown, gray, or red than underlying subsoil; reasonably free of subsoil, clay lumps, gravel, and other objects more than 2 inches) in diameter; and free of subsoil and weeds, roots, toxic materials, or other nonsoil materials.

B. Tree Protection Zone: Area surrounding individual trees or groups of trees to be protected during construction and defined by the drip line of individual trees or the perimeter drip line of groups of trees, unless otherwise indicated.

1.4 MATERIAL OWNERSHIP

A. Except for stripped topsoil or other materials indicated to remain Owner's property, cleared materials shall become Contractor's property and shall be removed from Project site.

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1.5 SUBMITTALS

A. Photographs or videotape, sufficiently detailed, of existing conditions of trees and plantings, adjoining construction, and site improvements that might be misconstrued as damage caused by site clearing.

B. As built drawings, according to Section 017839 "Project Record Documents," identifying and accurately locating capped utilities and other subsurface structural, electrical, and mechanical conditions.

1.6 QUALITY ASSURANCE

A. Preinstallation Conference: Conduct conference at Project site to comply with requirements in Section 013100 "Project Management and Coordination."

1.7 PROJECT CONDITIONS

A. Traffic: Minimize interference with adjoining roads, streets, walks, and other adjacent occupied or used facilities during site-clearing operations.

1. Do not close or obstruct streets, walks, or other adjacent occupied or used facilities without permission from Owner and authorities having jurisdiction.

2. Provide alternate routes around closed or obstructed traffic ways if required by authorities having jurisdiction.

B. Improvements on Adjoining Property: Authority for performing site clearing indicated on property adjoining Owner's property will be obtained by Owner before award of Contract.

1. Do not proceed with work on adjoining property until directed by Architect.

C. Salvable Improvements: Carefully remove items indicated to be salvaged and store on Owner's premises where indicated.

D. Utility Locator Service: Notify utility locator service (MISS DIG 1-800-482-7171) for area where Project is located before site clearing.

E. Do not commence site clearing operations until temporary erosion and sedimentation control measures are in place.

PART 2 – PRODUCTS

2.1 SOIL MATERIALS

A. Satisfactory Soil Materials: Requirements for satisfactory soil materials are specified in

Section 312000 "Earthwork."

1. Obtain approved borrow soil materials off-site when satisfactory soil materials are not available on-site.

PART 3 - EXECUTION

3.1 PREPARATION

A. Protect and maintain benchmarks and survey control points from disturbance during construction.

B. Locate and clearly flag trees and vegetation to remain or to be relocated.

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C. Protect existing site improvements to remain from damage during construction.

D. Restore damaged improvements to their original condition, as acceptable to Owner.

3.2 TEMPORARY EROSION AND SEDIMENTATION CONTROL

A. Provide temporary erosion and sedimentation control measures to prevent soil erosion and discharge of soil-bearing water runoff or airborne dust to adjacent properties and walkways, according to requirements of authorities having jurisdiction.

B. Inspect, repair, and maintain erosion and sedimentation control measures during construction until permanent vegetation has been established.

C. Remove erosion and sedimentation controls and restore and stabilize areas disturbed during removal.

3.3 UTILITIES

A. Locate, identify, disconnect, and seal or cap off utilities indicated to be removed.

1. Arrange with utility companies to shut off indicated utilities.

2. Owner will arrange to shut off indicated utilities when requested by Contractor.

3. Temporarily plug existing domestic water well during demotion to protect aquifer from contamination.

C. Existing Utilities: Do not interrupt utilities serving facilities occupied by Owner or others unless permitted under the following conditions and then only after arranging to provide temporary utility services according to requirements indicated:

1. Notify Architect not less than two days in advance of proposed utility interruptions.

2. Do not proceed with utility interruptions without Architect's written permission.

D. Excavate and remove underground utilities indicated to be removed. Backfill excavated areas in compacted horizontal layers not exceeding a loose depth of 8 inches per Section 312000.

3.5 TOPSOIL STRIPPING

A. Remove sod and grass before stripping topsoil.

B. Strip topsoil to whatever depths are encountered in a manner to prevent intermingling with underlying subsoil or other waste materials.

1. Remove subsoil and nonsoil materials from topsoil, including trash, debris, weeds, roots, and other waste materials.

C. Stockpile topsoil materials away from edge of excavations without intermixing with subsoil. Grade and shape stockpiles to drain surface water. Cover to prevent windblown dust.

1. Limit height of topsoil stockpiles to 72 inches.

2. Do not stockpile topsoil within tree protection zones.

3. Dispose of excess topsoil as specified for waste material disposal.

4. Stockpile surplus topsoil to allow for respreading deeper topsoil.

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3.7 SITE IMPROVEMENTS

A. Remove existing above- and below-grade improvements as indicated and as necessary to facilitate new construction.

B. Remove slabs, paving, curbs, gutters, and aggregate base as indicated.

1. Unless existing full-depth joints coincide with line of demolition, neatly saw-cut length of existing pavement to remain before removing existing pavement. Saw-cut faces vertically.

2. Paint cut ends of steel reinforcement in concrete to remain to prevent corrosion.

3. All concrete saw cutting shall be completed in accordance with MIOSHA Standards to protect construction workers from exposure to silica.

3.8 DISPOSAL

A. Disposal: Remove surplus soil material, unsuitable topsoil, obstructions, demolished materials, and waste materials including trash and debris, and legally dispose of them off Owner's property.

1. Separate recyclable materials produced during site clearing from other non-recyclable materials. Store or stockpile without intermixing with other materials and transport them to recycling facilities.

END OF SECTION 311000

22146 EARTHWORK 312000 - 1

SECTION 312000 - EARTHWORK

A. Drawings and general provisions of the Contract, including General and Supplementary Conditions and Division 1 Specification Sections, apply to this Section.

A. This Section includes the following:

1. Preparing subgrades for slabs-on-grade, walks, pavements, lawns and grasses.

2. Excavating and backfilling for buildings and structures.

3. Subbase course for concrete walks and pavements.

4. Subbase and base course for asphalt paving.

5. Subsurface drainage backfill for walls and trenches.

6. Excavating and backfilling for utility trenches.

7. Excavating and backfilling trenches for buried mechanical and electrical utilities and pits for buried utility structures.

8. Subdrainage systems for foundation.

1. Division 0 Section “Bid Schedule” for quantity allowance provisions related to unit-price of removal of unsuitable soil, replacement with compacted engineered soil and authorized additional excavation.

2. Division 0 Section "Schedule of Change Order Prices" for unit-price of removal of unsuitable soil, replacement with compacted engineered soil and authorized additional excavation provisions.

3. Division 3 Section "Cast-in-Place Concrete" for fine graded granular material beneath the slab-on-grade.

4. Divisions 22, 26, and 33 Sections for installing underground mechanical and electrical utilities and buried mechanical and electrical structures.

5. Division 32 Section “Asphalt Paving” for paving specifications.

6. Division 32 Section "Turf and Grasses" for finish grading, including preparing and placing topsoil and planting soil for lawns.

1.3 REFERENCES

A. Michigan Department of Transportation (MDOT), Standard Specification for Construction, latest edition.

B. Natural Resources and Environmental Protection Act, 1994 PA 451, and State of Michigan Soil

Erosion and Sedimentation Control Rules part 91, as amended and all local ordinances.

C. American Society for Testing and Materials (ASTM) applicable standards.

1.4 UNIT PRICES

A. Unit prices for earthwork are included in Division 0 Section "Schedule of Change Order Prices."

B. Quantity allowances for earthwork are included in Division 0 Section "Bid Schedule."

1.5 DEFINITIONS

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A. Backfill: Soil material used to fill an excavation.

B. Base Course: Course placed between the subbase course and hot-mix asphalt paving.

C. Bedding Course: Course placed over the excavated subgrade in a trench before laying pipe.

D. Borrow Soil: Satisfactory soil imported from off-site for use as fill or backfill.

E. Drainage Course: Course supporting the slab-on-grade that also minimizes upward capillary flow of pore water.

F. Excavation: Removal of material encountered above subgrade elevations to lines and dimensions indicated.

1. Authorized Additional Excavation: Authorized additional excavation and replacement material will be paid for according to Contract provisions.

2. Unauthorized Excavation: Unauthorized excavation, as well as remedial work required, shall be without additional compensation.

G. Fill: Soil materials used to raise existing grades.

H. HDPE: High Density Polyethylene.

I. Rock: Rock material that cannot be removed by rock excavating equipment without systematic drilling, ram hammering, or ripping.

J. Structures: Buildings, footings, foundations, retaining walls, slabs, tanks, curbs, mechanical and electrical appurtenances, or other man-made stationary features constructed above or below the ground surface.

K. Subbase Course: Course placed between the subgrade and base course for hot-mix asphalt pavement, or course placed between the subgrade and a concrete slab, pavement, or walk.

L. Subgrade: Surface or elevation remaining after completing excavation, or top surface of a fill or backfill immediately below subbase, drainage fill, or topsoil materials.

M. Utilities: On-site underground pipes, conduits, ducts, and cables, as well as underground services within buildings.

1.6 SUBMITTALS

A. Product Data: For the following:

1. Perforated subdrainage pipe (drain tile)

2. Erosion control blanket

3. Geotextile filter fabric jacket for perforated pipe subdrainage.

B. Material Test Reports: From a qualified testing agency indicating and interpreting test results for compliance of the following with requirements indicated:

1. Classification according to ASTM D 2487 of each borrow soil material proposed for fill and backfill.

2. Laboratory compaction curve according to ASTM D 698 for each borrow soil material proposed for fill and backfill.

3. Verification of suitability of each footing subgrade material, in accordance with specified requirements.

4. Field reports showing locations and results of in-place soil density tests.

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5. One optimum moisture-maximum density curve for each type of soil encountered.

6. Report of actual unconfined compressive strength and/or results of veering tests of each strata tested.

C. Preexcavation Photographs or Videotape: Show existing conditions of adjoining construction and site improvements, including finish surfaces, that might be misconstrued as damage caused by earthwork operations. Submit before earthwork begins.

E. Field quality-control reports.

1.7 QUALITY ASSURANCE

A. Soil Borings and Geotechnical Engineering Report: Perform work in accordance with this

Specification and Geotechnical Engineering Report # 2140327.3A by Driesenga & Associates, Inc., dated 7/12/22. In case of discrepancy between the drawings, specifications and Geotechnical report, meet the more stringent requirements of each.

B. Codes and Standards: Perform excavation work in compliance with applicable requirements of authorities having jurisdiction.

C. Testing and Inspection Services: Testing of earthwork shall be arranged and paid for as specified in

Division 1, General Requirements. Give Owner and testing laboratory at least 24 hours notice prior to beginning any operation that requires testing.

D. Testing Laboratory Qualifications: To qualify for acceptance, the geotechnical testing laboratory must demonstrate, to Engineer’s satisfaction, based on evaluation of laboratory submitted criteria conforming to ASTM E 699, that it has the experience and capability to conduct required field and laboratory geotechnical testing without delaying the progress of the work.

1.8 PROJECT CONDITIONS

A. Site Information: Data in subsurface investigation reports was used for the basis of the design and are available to the Contractor for information only. Conditions are not intended as representations or warranties of accuracy or continuity between soil borings. The Owner will not be responsible for interpretations or conclusions drawn from this data by Contractor.

1. Additional test borings and other exploratory operations may be performed by Contractor, at the Contractor’s option; however, no charge in the Contract Sum will be authorized for such additional exploration.

2. Do not interrupt utilities serving facilities occupied by Owner or others unless permitted in writing and then only after arranging to provide temporary utility services according to requirements indicated.

a. Notify Owner not less than two days in advance of proposed utility interruptions.

b. Do not proceed with utility interruptions without written permission.

c. Contact utility-locator service for area where Project is located before excavating.

3. Demolish and completely remove from site existing underground utilities indicated to be removed. Coordinate with utility companies to shut off services if lines are active.

B. Existing Utilities: Locate existing underground utilities in areas of excavation work. If utilities are indicated to remain in place, provide adequate means of support and protection during earthwork operation.

1. Should uncharted, or incorrectly charted, piping or other utilities be encountered during excavation, consult utility owner immediately for directions. Cooperate with Owner and utility

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companies in keeping respective services and facilities in operation. Repair damaged utilities to satisfaction of utility owner.

C. Protection of Persons and Property: Barricade open excavations occurring as part of this work and post with warning lights.

1. Operate warning lights as recommenced by authorities having jurisdiction.

2. Protect utilities, sidewalks, pavements, and other facilities from damage caused by settlement, lateral movement, undermining, washout, and other hazards created by earthwork operations.

3. Perform excavation by hand within drip line of large trees to remain. Protect root systems from damage or dry out to the greatest extent possible. Maintain moist condition for root system and cover exposed roots with moistened burlap.

PART 2 - PRODUCTS

2.1 SOIL MATERIALS

A. General: Provide borrow soil materials when sufficient satisfactory soil materials are not available from excavations.

B. Satisfactory Soils: ASTM D 2487 Soil Classification Groups GW, GP, GM, SW, SP, and SM, or a combination of these groups; free of rock or gravel larger than 2 inches in any dimension, debris, waste, frozen materials, vegetation, and other deleterious matter.

C. Unsatisfactory Soils: Soil Classification Groups GC, SC, CL, ML, OL, CH, MH, OH, and PT according to ASTM D 2487 or a combination of these groups.

1. Unsatisfactory soils also include satisfactory soils not maintained within 2 percent of optimum moisture content at time of compaction.

D. Subbase Material (beneath concrete walks and pavements, base course): Naturally or artificially graded mixture of clean compacted sand meeting MDOT Class II or ASTM D-2487 Group SW or

SP.

E. Base Course (Beneath Asphalt Paving): Mixture of stabilized processed road gravel meeting MDOT

Class 21AA dense graded aggregate or equivalent.

F. Engineered Fill: Naturally or artificially graded mixture of clean compacted sand meeting MDOT

Class II or ASTM D-2487 Group SW or SP.

G. Bedding Course (Beneath Piping): Naturally or artificially graded mixture of clean compacted sand meeting MDOT Class II or ASTM D-2487 Group SW or SP.

H. Drainage Fill (Around Foundation Drains): Clean mixture of crushed stone with 100 percent passing a ½ " sieve and 0 to 5 percent passing a No. 8 sieve or MDOT 34R open graded aggregate or “peastone”.

I. Sand: ASTM C 33; fine aggregate, natural, or manufactured sand, meeting MDOT Class II.

J. Impervious Fill: Clayey gravel and sand mixture capable of compacting to a dense state.

L. Topsoil: Soil with high organic content that are not suitable for backfill because of their low compressive strength characteristics.

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2.2 PERFORATED DRAINAGE PIPE (DRAIN TILE)

A. Pipe and Fittings: Perforated and corrugated, molded from HDPE complying with ASTM D 3350, with fittings and geotextile filter fabric jacket. Size as indicated.

B. Available Manufacturers: Subject to compliance with requirements, manufacturers offering products that may be incorporated into the Work include, but are not limited to:

1. Advanced Drainage Systems, Inc.

2.3 ACCESSORIES

A. Warning Tape: Acid- and alkali-resistant polyethylene film warning tape manufactured for marking and identifying underground utilities, 6 inches wide and 4 mils thick, continuously inscribed with a description of the utility; colored as follows:

B. Detectable Warning Tape: Acid- and alkali-resistant polyethylene film warning tape manufactured for marking and identifying underground utilities, a minimum of 6 inches wide and 4 mils thick, continuously inscribed with a description of the utility, with metallic core encased in a protective jacket for corrosion protection, detectable by metal detector when tape is buried up to 30 inches deep; colored as follows:

1. Red: Electric.

2. Yellow: Gas, oil, steam, and dangerous materials.

3. Orange: Telephone and other communications.

4. Blue: Water systems.

5. Green: Sewer systems.

C. Erosion Control Blanket: 1.5lb. photodegradable, polypropylene top and bottom net, 100% straw fiber matrix. Manufactured by North American Green or approved other.

3.1 PREPARATION

A. Protect structures, utilities, fences, sidewalks, pavements, curbs, benchmarks, survey control points and other facilities from damage caused by settlement, lateral movement, undermining, washout, and other hazards created by earthwork operations.

B. Prepare subgrade for earthwork operations including removal of vegetation, topsoil, debris, obstructions, and deleterious materials from ground surface.

C. Protect and maintain erosion and sedimentation controls during earthwork operations.

D. Provide protective insulating materials to protect subgrades and foundation soils against freezing temperatures or frost.

E. Protect plants, trees, root structures, lawn and other features to remain as a portion of the landscaping. Replace damaged or destroyed elements.

F. Excavation of all types shall be in accordance with the current OSHA excavation and trench safety standards. Construction site safety is the sole responsibly of the contractor.

3.2 STABILITY OF EXCAVATIONS

A. General. Comply with local codes, ordinances, and requirements of agencies having jurisdiction including requirements of soil erosion and sedimentation control permits.

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B. Excavation stability and support is the sole responsibility of the contractor. Maintain sides and slopes of excavations in safe condition until completion of backfilling. Provide temporary shoring and bracing where sloping is not possible due to space restrictions or stability of material excavated.

C. Excavation Support and Protection: Design, furnish, install, and maintain excavation support and protection system capable of supporting excavation sidewalls to resist soil pressure, hydrostatic pressure, and construction loads. Install without damaging existing pavements, equipment, and other improvements adjacent to construction.

3.3 DEWATERING

A. Prevent surface water and ground water from entering excavations, from ponding on prepared subgrades, and from flooding Project site and surrounding area. Perform work in accordance with the soil erosion and sedimentation control permits.

B. Protect subgrades from softening, undermining, washout, and damage by rain or water accumulation.

1. Reroute surface water runoff away from excavated areas. Do not allow water to accumulate in excavations. Do not use excavated trenches as temporary drainage ditches.

C. Prevent localized surface water and groundwater from entering excavations by using shallow sumps and pumps as needed to allow construction to proceed in a relatively dry environment.

3.4 EXPLOSIVES

A. Explosives: Do not use explosives

3.5 EXCAVATION, GENERAL

A. Unclassified Excavation: Excavate to subgrade elevations regardless of the character of surface and subsurface conditions encountered. If excavated materials intended for fill and backfill include unsatisfactory soil materials and rock, replace with satisfactory soil materials.

3.6 EXCAVATION FOR STRUCTURES

A. Excavate and remove organic peat and unsuitable fill material within the building footprint as directed by the Geotechnical engineer per the Geotechnical Report.

B. Excavate to indicated elevations and dimensions within a tolerance of plus or minus 1 inch. If applicable, extend excavations a sufficient distance from structures for placing and removing concrete formwork, for installing services and other construction, and for inspections.

1. Excavations for Footings and Foundations: Do not disturb bottom of excavation. Excavate by hand to final grade just before placing concrete reinforcement. Trim bottoms to required lines and grades to leave solid base to receive other work.

2. Excavation for Underground Tanks, and Mechanical or Electrical Utility Structures: Excavate to elevations and dimensions indicated within a tolerance of plus or minus 1 inch. Do not disturb bottom of excavations intended as bearing surfaces.

3.7 EXCAVATION FOR WALKS AND PAVEMENTS

A. Excavate surfaces under walks and pavements to indicated lines, cross sections, elevations, and subgrades.

22146 EARTHWORK 312000 - 7

3.8 EXCAVATION FOR UTILITY TRENCHES

A. Excavate trenches to indicated gradients, lines, depths, and elevations.

1. Beyond building perimeter, excavate trenches to allow installation of top of pipe below frost line.

B. Excavate trenches to uniform widths to provide a minimum 6" clearance on each side of pipe or conduit. Excavate trench walls vertically from trench bottom to 12 inches higher than top of pipe or conduit, unless otherwise indicated.

C. Trench Bottoms: Excavate trenches 4 inches deeper than bottom of pipe elevation to allow for bedding course unless indicated otherwise. Hand excavate for bell of pipe.

1. Excavate trenches 6 inches deeper than elevation required in rock or other unyielding bearing material to allow for bedding course.

3.9 SUBGRADE INSPECTION

A. Notify Testing Agency when excavations have reached required subgrade.

B. If Testing Agency determines that unsatisfactory soil is present, continue excavation and replace with compacted backfill or fill material as directed.

C. Proof-roll subgrade below the building slabs and pavements with heavy pneumatic-tired equipment to identify soft pockets and areas of excess yielding. Do not proof-roll wet or saturated subgrades.

1. Excavate soft spots, unsatisfactory soils, and areas of excessive pumping or rutting, as determined by Testing Agency, and replace with compacted backfill or fill as directed.

D. Authorized additional excavation and replacement material will be paid for according to Contract provisions for unit prices or changes in the Work.

E. Reconstruct subgrades damaged by freezing temperatures, frost, rain, accumulated water, or construction activities, as directed by Architect, without additional compensation.

3.10 UNAUTHORIZED EXCAVATION

A. Fill unauthorized excavation under foundations or wall footings by extending bottom elevation of concrete foundation or footing to excavation bottom, without altering top elevation. Engineered fill or lean concrete fill, with 28-day compressive strength of 2500 psi, may be used when approved in writing.

3.11 STORAGE OF SOIL MATERIALS

A. Stockpile borrow soil materials and excavated satisfactory soil materials without intermixing. Place, grade, and shape stockpiles to drain surface water. Stockpile soil materials away from edge of excavations.

1. Stockpile stripped topsoil as needed for the restoration of the future lawn areas in a separate area.

2. Locate and retain soil materials away from edge of excavations. Do not store within drip line of trees indicated to remain.

3. Dispose of excess excavated soil material, excess topsoil, and materials not acceptable for use as backfill or fill of site at not additional cost to Owner.

3.12 BACKFILL

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A. Using satisfactory soils, place and compact backfill in excavations promptly after completion of construction below finish grade including, where applicable, subdrainage, dampproofing, waterproofing, and perimeter insulation. Complete testing and inspecting underground utilities and removing trash and debris before placing backfill.

B. Place backfill on subgrades free of mud, frost, snow, or ice.

3.13 UTILITY TRENCH BACKFILL

A. Place backfill on subgrades free of mud, frost, snow, or ice.

B. Place and compact bedding course on trench bottoms and where indicated. Shape bedding course to provide continuous support for bells, joints, and barrels of pipes and for joints, fittings, and bodies of conduits.

C. Backfill trenches excavated under footings and within 12 inches of bottom of footings with satisfactory soil; fill with concrete to elevation of bottom of footings. Concrete is specified in Division 3.

D. Provide 4-inch- thick, concrete-base slab support for piping or conduit less than 30 inches below surface of roadways. After installing and testing, completely encase piping or conduit in a minimum of 4 inches of concrete before backfilling or placing roadway subbase.

E. Place and compact initial backfill, free of particles larger than 1 inch in any dimension, to a height of

12 inches over the utility pipe or conduit.

1. Carefully compact initial backfill under pipe haunches and compact evenly up on both sides and along the full length of utility piping or conduit to avoid damage or displacement of piping or conduit. Coordinate backfilling with utilities testing.

F. Backfill voids with satisfactory soil while installing and removing shoring and bracing.

G. Place and compact final backfill of satisfactory soil to final subgrade elevation.

H. Install warning tape directly above utilities, 12 inches below finished grade, except 6 inches below subgrade under pavements and slabs.

3.14 SOIL FILL

A. Plow, scarify, bench, or break up sloped surfaces steeper than 1 vertical to 4 horizontal so fill material will bond with existing material.

B. Place and compact fill material in layers to required elevations as follows:

1. Under grass and planted areas, use satisfactory soil material.

2. Under walks and pavements, use subbase material, use engineered fill.

3. Under steps and ramps, use engineered fill.

4. Under building slabs, use engineered fill.

5. Under footings and foundations, use engineered fill.

C. Place soil fill on subgrades free of mud, frost, snow, or ice.

3.15 SOIL MOISTURE CONTROL

A. Uniformly moisten or aerate subgrade and each subsequent fill or backfill soil layer before compaction to within 2 percent of optimum moisture content.

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1. Do not place backfill or fill soil material on surfaces that are muddy, frozen, or contain frost or ice.

2. Remove and replace, or scarify and air dry otherwise satisfactory soil material that exceeds optimum moisture content by 2 percent and is too wet to compact to specified dry unit weight.

3.16 COMPACTION OF SOIL BACKFILLS AND FILLS

A. Place backfill and fill soil materials in layers not more than 8 inches in loose depth for material compacted by heavy compaction equipment, and not more than 4 inches in loose depth for material compacted by hand-operated tampers.

B. Place backfill and fill soil materials evenly on all sides of structures to required elevations, and uniformly along the full length of each structure.

C. Compact soil materials to not less than the following maximum dry density in accordance with the modified proctor test per ASTM D1557:

1. Under structures, building slabs, steps, and pavements, or behind basement walls and foundation walls, scarify and recompact top 12 inches of existing subgrade and each layer of backfill or fill soil material at 95 percent.

2. Under walkways, scarify and recompact top 6 inches below subgrade and compact each layer of backfill or fill soil material at 95 percent.

3. Under lawn or unpaved areas, scarify and recompact top 6 inches below subgrade and compact each layer of backfill or fill soil material at 85 percent.

4. For utility trenches, compact each layer backfill soil material at 95 percent under unpaved and under paved areas and walls.

3.17 GRADING

A. General: Uniformly grade areas to a smooth surface, free of irregular surface changes. Comply with compaction requirements and grade to cross sections, lines, and elevations indicated.

1. Provide a smooth transition between adjacent existing grades and new grades.

2. Cut out soft spots, fill low spots, and trim high spots to comply with required surface tolerances.

B. Site Grading: Slope grades to direct water away from buildings and to prevent ponding. Finish subgrades to required elevations within the following tolerances:

1. Lawn or Unpaved Areas: Plus or minus 1 inch.

2. Walks: Plus or minus 1 inch.

3. Pavements: Plus or minus 2 inch.

C. Grading inside Building Lines: Finish subgrade to a tolerance of 2 inch when tested with a 10-foot

(3-m) straightedge.

3.18 SUBSURFACE DRAINAGE (DRAIN TILE)

A. Install drain tile piping as indicated, with unbroken continuity of invert. Bed piping with full bearing in drainage fill material. Install couplings according to manufacturer’s written instructions and other requirements indicated.

B. Clear interior of installed piping and structures of dirt and other superfluous materials as work progresses. Maintain swab or drag in piping and pull past each joint as it is completed. Place plugs in ends of uncompleted pipe at end of each day or when work stops.

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C. Testing: After installing drainage fill to top of pipe, test drain piping with water to ensure free flow before backfilling. Remove obstructions, replace damaged components, and repeat test until results are satisfactory.

3.19 SUBBASE AND BASE COURSES

A. Place subbase and base course on subgrades free of mud, frost, snow, or ice.

B. On prepared subgrade, place subbase and base course under pavements and walks as follows:

1. Place base course material over subbase course under hot-mix asphalt pavement.

2. Compact subbase and base course at optimum moisture content to required grades, lines, cross sections, and thickness to not less than 98 percent of maximum dry density in accordance with the modified proctor test per ASTM D 1557.

C. Pavement Shoulders: Place shoulders along edges of subbase and base course to prevent lateral movement. Construct shoulders, at least 12 inches wide, of satisfactory soil materials and compact simultaneously with each subbase and base layer to not less than 98 percent of maximum dry density in accordance with the modified proctor test per ASTM D 1557.

D. Grade Control: During construction, maintain lines and grades including crown and cross-slope of subbase course.

E. Placing: Place subbase course material on prepared subgrade in layers of uniform thickness, conforming to indicated cross-section and thickness. Maintain optimum moisture content for compacting subbase material during placement operations.

1. When compacted subbase course is indicated to be 6 inches thick or less, place material in single layer. When indicated to be more than 6 inches thick, place material in equal layers, except no single layer more than 6 inches or less than 3 inches in thickness when compacted.

3.20 FIELD QUALITY CONTROL

A. Testing Agency: A qualified independent geotechnical engineering testing agency shall perform field quality-control testing.

B. Allow testing agency to inspect and test subgrades and each fill or backfill layer. Proceed with subsequent earthwork only after test results for previously completed work comply with requirements.

C. Footing Subgrade: At footing subgrades, at least one test of each soil stratum will be performed to verify design bearing capacities. Subsequent verification and approval of other footing subgrades may be based on a visual comparison of subgrade with tested subgrade when approved by Testing Agency.

D. Testing agency will test compaction of soils in place according to ASTM D 1556, ASTM D 2167, ASTM D 2922, and ASTM D 2937, as applicable. Tests will be performed at the following locations and frequencies:

1. Paved and Building Slab Areas: At subgrade and at each compacted fill and backfill layer, at least 1 test for every 2000 sq. ft. (186 sq. m) or less of paved area or building slab, but in no case fewer than 3 tests.

2. Foundation Wall Backfill: At each compacted backfill layer, at least 1 test for each 100 feet (30 m) or less of wall length, but no fewer than 2 tests.

3. Trench Backfill: At each compacted initial and final backfill layer, at least 1 test for each 150 feet (46 m) or less of trench length, but no fewer than 2 tests.

22146 EARTHWORK 312000 - 11

E. When testing agency reports that subgrades, fills, or backfills have not achieved degree of compaction specified, scarify and moisten or aerate, or remove and replace soil to depth required;

recompact and retest until specified compaction is obtained.

3.21 PROTECTION

A. Protecting Graded Areas: Protect newly graded areas from traffic, freezing, and erosion. Keep free of trash and debris.

B. Repair and reestablish grades to specified tolerances where completed or partially completed surfaces become eroded, rutted, settled, or where they lose compaction due to subsequent construction operations or weather conditions.

1. Scarify or remove and replace soil material to depth as directed by Testing Agency; reshape and recompact.

C. Where settling occurs before Project correction period elapses, remove finished surfacing, backfill with additional soil material, compact, and reconstruct surfacing.

1. Restore appearance, quality, and condition of finished surfacing to match adjacent work, and eliminate evidence of restoration to greatest extent possible.

3.22 EROSION CONTROL

A. Provide erosion control methods in accordance with those indicated on the plans as well as any of the requirements of authorities having jurisdiction.

3.23 DISPOSAL OF SURPLUS AND WASTE MATERIALS

A. Disposal: Remove surplus satisfactory soil and waste material, including unsatisfactory soil, trash, and debris, and legally dispose of it off Owner's property.

END OF SECTION 312000

Bidding and Contract Document New Ionia Eastbound I-96 Weigh Station File No. 551/22184.CAK

22-120 TERMITE CONTROL 31 31 16-1

SECTION 31 31 16 – TERMITE CONTROL

1.1 SUMMARY

A. This Section includes soil treatment with termiticide.

1.2 SUBMITTALS

A. Product Data: For each type of product indicated. Include the EPA-Registered Label.

B. Product certificates.

C. Soil Treatment Application Report: After application of termiticide is completed, submit report for Owner's record information, including date and time of application, moisture content of soil before application, brand name and manufacturer of termiticide, quantity of undiluted termiticide used, dilution proportions, rates of application, water source for application, and areas of application.

D. Warranty: Special warranty specified in this Section.

1.3 QUALITY ASSURANCE

A. Installer Qualifications: A specialist who is licensed according to regulations of authorities having jurisdiction to apply termite control treatment and products in jurisdiction where Project is located.

B. Regulatory Requirements: Formulate and apply termiticides according to the EPA-Registered Label.

C. Source Limitations: Obtain termite control products through one source from a single manufacturer for each product.

1.4 PROJECT CONDITIONS

A. Environmental Limitations: To ensure penetration, do not treat soil that is water saturated or frozen. Do not treat soil while precipitation is occurring. Comply with requirements of the EPA-Registered Label and requirements of authorities having jurisdiction.

1.5 COORDINATION

A. Coordinate soil treatment application with excavating, filling, grading, and concreting operations. Treat soil under footings, grade beams, and ground-supported slabs before construction.

1.6 WARRANTY

A. Special Warranty: Manufacturer's standard form, signed by Applicator and Contractor certifying that termite control work, consisting of applied soil termiticide treatment, will prevent infestation of subterranean termites. If subterranean termite activity or damage is discovered during warranty period, re-treat soil and repair or replace damage caused by termite infestation.

1. Warranty Period: Five years from date of Substantial Completion.

Bidding and Contract Document New Ionia Eastbound I-96 Weigh Station File No. 551/22184.CAK

22-120 TERMITE CONTROL 31 31 16-2

2.1 SOIL TREATMENT

A. Termiticide: Provide an EPA-registered termiticide complying with requirements of authorities having jurisdiction, in an aqueous solution formulated to prevent termite infestation. Provide quantity required for application at the label volume and rate for the maximum termiticide concentration allowed for each specific use, according to product's EPA-Registered Label.

PART 3 - EXECUTION

3.1 EXAMINATION

A. Examine substrates, areas, and conditions, with Applicator present, for compliance with requirements for moisture content of soil, interfaces with earthwork, slab and foundation work, landscaping, and other conditions affecting performance of termite control.

1. Proceed with application only after unsatisfactory conditions have been corrected.

3.2 PREPARATION

A. General: Comply with the most stringent requirements of authorities having jurisdiction and with manufacturer's written instructions for preparation before beginning application of termite control treatment. Remove all extraneous sources of wood cellulose and other edible materials such as wood debris, tree stumps and roots, stakes, formwork, and construction waste wood from soil within and around foundations.

B. Soil Treatment Preparation: Loosen, rake, and level soil to be treated except previously compacted areas under slabs and footings. Termiticides may be applied before placing compacted fill under slabs if recommended in writing by termiticide manufacturer.

3.3 APPLICATION

A. General: Comply with the most stringent requirements of authorities having jurisdiction and with manufacturer's EPA-Registered Label for products.

B. Soil Treatment Application: Mix soil treatment termiticide solution to a uniform consistency. Provide quantity required for application at the label volume and rate for the maximum specified concentration of termiticide, according to manufacturer's EPA-Registered Label, to the following so that a continuous horizontal and vertical termiticidal barrier or treated zone is established around and under building construction. Distribute treatment evenly.

1. Slabs-on-Grade: Under ground-supported slab construction, including footings, building slabs, and attached slabs as an overall treatment. Treat soil materials before concrete footings and slabs are placed.

2. Foundations: Adjacent soil including soil along the entire inside perimeter of foundation walls, along both sides of interior partition walls, around plumbing pipes and electric conduit penetrating the slab, and around interior column footers, piers, and chimney bases; also along the entire outside perimeter, from grade to bottom of footing. Avoid soil washout around footings.

3. Masonry: Treat voids.

4. Penetrations: At expansion joints, control joints, and areas where slabs will be penetrated.

Bidding and Contract Document New Ionia Eastbound I-96 Weigh Station File No. 551/22184.CAK

22-120 TERMITE CONTROL 31 31 16-3

3.4 PROTECTION

A. Soil Treatment Protection: Avoid disturbance of treated soil after application. Keep off treated areas until completely dry.

1. Protect termiticide solution, dispersed in treated soils and fills, from being diluted until ground-supported slabs are installed. Use waterproof barrier according to EPA-Registered Label instructions.

2. Post warning signs in areas of application.

3. Reapply soil treatment solution to areas disturbed by subsequent excavation, grading, landscaping, or other construction activities following application.

END OF SECTION 31 31 16

22146 ASPHALT PAVING 321216 - 1

SECTION 321200 - ASPHALT PAVING

and Division 01 Specification Sections, apply to this Section.

A. Section Includes:

1. Hot-mix asphalt patching.

2. Hot-mix asphalt paving.

B. Related Requirements:

1. Section 311000 “Site Clearing” for demolition and removal of existing asphalt pavement.

2. Section 312000 "Earthwork" for subgrade preparation, fill material, unbound-aggregate subbase and base courses, and aggregate pavement shoulders.

1.3 PREINSTALLATION MEETINGS

A. Preinstallation Conference: Conduct conference at Project site.

1. Review methods and procedures related to hot-mix asphalt paving including, but not limited to, the following:

a. Review proposed sources of paving materials, including capabilities and location of plant that will manufacture hot-mix asphalt.

b. Review requirements for protecting paving work, including restriction of traffic during installation period and for remainder of construction period.

1.4 ACTION SUBMITTALS

A. Product Data: For each type of product.

1. Include technical data and tested physical and performance properties.

2. Job-Mix Designs: Certification, by authorities having jurisdiction, of approval of each job mix proposed for the Work.

3. Job-Mix Designs: For each job mix proposed for the Work.

B. Sustainable Design Submittals:

1. Source of RAP

1.5 INFORMATIONAL SUBMITTALS

A. Qualification Data: For manufacturer and testing agency.

B. Material Certificates: For each paving material. Include statement that mixes containing recycled materials will perform equal to mixes produced from all new materials.

C. Material Test Reports: For each paving material, by a qualified testing agency.

22146 ASPHALT PAVING 321216 - 2

D. Field quality-control reports.

1.6 QUALITY ASSURANCE

A. Manufacturer Qualifications: A paving-mix manufacturer registered with and approved by MDOT.

B. Testing Agency Qualifications: Qualified according to ASTM D 3666 for testing indicated.

C. Regulatory Requirements: Comply with materials, workmanship, and other applicable requirements of Standard Specifications for Construction of Michigan Department of Transportation for asphalt paving work.

1. Measurement and payment provisions and safety program submittals included in standard specifications do not apply to this Section.

D. Quality control testing of bituminous paving operations shall be arranged and paid for as specified in Division 1, General Requirements.

1. Testing Firm will monitor and document following information for submission to Construction

Manager and Engineer:

a. Mix temperatures

b. Mix specification compliance

c. Control of paving thickness within minimum tolerance

d. General compliance with specifications

2. Testing Firm may, at Owner's discretion, obtain random core samples to confirm compliance with minimum thickness tolerance.

3. Testing Firm will be responsible for documentation of problems and implemented solutions.

Information shall be submitted to Owner and Engineer for inclusion into Record Drawings, which will be submitted to Owner's Maintenance Department for future reference.

4. Prior to final, formal acceptance of paving areas, final inspection will be held and will involve Contractor, Testing Firm, and Engineer.

5. Testing Firm will be responsible for documenting inspection, including participants, observations, and comments, and will establish second inspection approximately 1 year after original inspection. Second meeting will be mandatory for participants, and is intended to occur within 1 year warranty period. Failure and problem areas will be investigated by participants for determination of failure and responsibility for corrections. Implementation of necessary corrections or repairs and follow-up will be responsibility of Contractor.

6. Testing Firm will be responsible for taking random 3 inch by 5 inch color photographs of paved areas during first and second inspections, and after corrections have been made on observations made during second inspection.

1.7 GUARANTEE:

A. Furnish Owner written guarantee covering all materials and workmanship for one full year from date of final acceptance by Owner.

B. Guarantee shall state that Contractor agrees to repair or replace, to complete satisfaction of Owner at

Contractor's expense, all Bituminous Pavement or surfacing which disintegrates or otherwise fails to perform satisfactorily during said one year period.

22146 ASPHALT PAVING 321216 - 3

1.8 FIELD CONDITIONS

A. Environmental Limitations: Do not apply asphalt materials if subgrade is wet or excessively damp, if rain is imminent or expected before time required for adequate cure, or if the following conditions are not met:

1. Prime Coat: Minimum surface temperature of 60 deg F.

2. Tack Coat: Minimum surface temperature of 60 deg F.

3. Slurry Coat: Comply with weather limitations in ASTM D 3910.

4. Asphalt Base Course: Minimum surface temperature of 40 deg F and rising at time of placement.

5. Asphalt Surface Course: Minimum surface temperature of 60 deg F at time of placement.

B. Grade control. Establish and maintain required lines and elevations.

C. Pavement Marking: Prior to application of pavement marking, the pavement surfaces shall be clear, dry, and free of foreign materials. New bituminous pavement shall be in place for not less than 14 days prior to painting with standard alkyd paints or for not less than 21 days with paints containing polyester resins. Pavement surface temperature shall be at least 40 deg F for oil-based materials, 50 deg F for water based materials, and not exceeding 95 deg F.

2.1 AGGREGATES

A. General: Use materials and gradations that have performed satisfactorily in previous installations.

B. Coarse Aggregate: ASTM D 692/D 692M, sound; angular crushed stone, crushed gravel, or cured, crushed blast-furnace slag.

C. Fine Aggregate: ASTM D 1073 or AASHTO M 29, sharp-edged natural sand or sand prepared from stone, gravel, cured blast-furnace slag, or combinations thereof.

1. For hot-mix asphalt, limit natural sand to a maximum of 20 percent by weight of the total aggregate mass.

D. Mineral Filler: ASTM D 242/D 242M or AASHTO M 17, rock or slag dust, hydraulic cement, or other inert material.

2.2 ASPHALT MATERIALS

A. Asphalt Binder: AASHTO M 320, PG 58-28 minimum.

1. The required asphalt binder grade must be at least one grade lower for the low temperature than the design binder grade required for the specified project mixture type.

B. Asphalt Cement: ASTM D 3381/D 3381M for viscosity-graded material ASTM D 946/D 946M for penetration-graded material.

C. Cutback Prime Coat: ASTM D 2027, medium-curing cutback asphalt, MC-30.

D. Emulsified Asphalt Prime Coat: ASTM D 977 emulsified asphalt, or ASTM D 2397 cationic emulsified asphalt, slow setting, diluted in water, of suitable grade and consistency for application.

22146 ASPHALT PAVING 321216 - 4

E. Tack Coat: ASTM D 977 emulsified asphalt, or ASTM D 2397 cationic emulsified asphalt, slow setting, diluted in water, of suitable grade and consistency for application.

F. Water: Potable.

G. Undersealing Asphalt: ASTM D 3141/D 3141M; pumping consistency.

2.3 AUXILIARY MATERIALS

A. Recycled Materials for Hot-Mix Asphalt Mixes: Reclaimed asphalt pavement; reclaimed, unbound-aggregate base material; from sources and gradations that have performed satisfactorily in previous installations, equal to performance of required hot-mix asphalt…