Phase 2 CONTRACT_SPECS2.pdf

AG-54B0-S-10-0015 Clear Lake Camp Rehabilitation

Erosion Control Project Phase 2

HIAWATHA NATIONAL FOREST

CLEAR LAKE CAMP REHABILITATION – PHASE 2

EROSION CONTROL PROJECT

SPECIFICATION INDEX

SECTION NO. DESCRIPTION PAGES

01100 SUMMARY 1

01400 QUALITY REQUIREMENTS 2

01600 PRODUCT REQUIREMENTS 2

01732 SELECTIVE DEMOLITION 1

02230 SITE CLEARING 2

02300 EARTHWORK 2

02741 HOT-MIX ASPHALT PAVING 2

02832 SEGMENTAL RETAINING WALLS 2

02920 LAWNS AND GRASSES 2

03300 CAST-IN-PLACE CONCRETE 2

SECTION 01100 - SUMMARY

PART 1 - GENERAL

1.1 SUMMARY OF WORK

A. Project: Clear Lake Camp Erosion Control

B. Owner: USDA Forest Service, Hiawatha NF

C. The Work shall consist of the following: The construction of a rain water collection system, and diversion ditches to catch and divert water runoff. The reconstruction and asphalt paving of the bus turnaround and service road. The construction of a segmented block retaining wall between the bus turnaround and the main walkway and a segmented block seat wall in the gathering area. The main walkway and the gathering area in front and between the mess hall and education building, shall be paved with concrete and curbing shall be installed in front of the buildings, as described in the Contract Documents.

1.2 WORK RESTRICTIONS

A. Contractor's Use of Premises: During construction, Contractor will have full use of site indicated by the drawings and as identified by the CO. Contractor's use of premises is limited only by Owner's right to perform work:

1. Owner will occupy site during construction. Perform construction only during normal working hours (8 AM to 5 PM Monday thru Friday, other than holidays), unless otherwise agreed to in advance by the CO. Clean up work areas at the end of each work period.

1.3 SUBMITTALS

A Contractor shall submit an erosion and sediment control plan and a safety plan to the CO 2 weeks prior to commencement of work, for review and approval.

B Contractor shall submit 3 copies of all submittals for approval to CO, 2 weeks prior to commencement of work, for review and approval.

PART 2 - PRODUCTS (Not Applicable)

PART 3 - EXECUTION (Not Applicable)

END OF SECTION 01100

SECTION 01400 - QUALITY REQUIREMENTS

PART 4 - GENERAL

4.1 SECTION REQUIREMENTS

A. Testing and inspecting services are required to verify compliance with requirements specified or indicated. These services do not relieve Contractor of responsibility for compliance with the

Contract Document requirements.

1. Testing and inspecting services are specified in other Sections of these Specifications or are required by authorities having jurisdiction and shall be performed by independent testing agencies.

2. Contractor is responsible for scheduling inspections and tests and notifying testing agency.

3. Retesting and Reinspecting: Contractor shall pay for additional testing and inspecting required as a result of tests and inspections indicating noncompliance with requirements.

B. Performance and Design Criteria: Where design services or certifications by a professional engineer are required by the Contract Documents, provide products and systems complying with specific performance and design criteria indicated.

1. If criteria indicated are not sufficient to perform services or certification required, submit a written request for additional information to Architect.

2. Professional Engineer Qualifications: A professional engineer who is legally qualified to practice in jurisdiction where Project is located and who is experienced in providing engineering services of the kind indicated.

C. Submittals: Testing agency shall submit a certified written report of each inspection and test to

CO, Contractor, and to authorities having jurisdiction when authorities so direct. Reports of each inspection, test, or similar service shall include the following:

1. Name, address, and telephone number of testing agency.

2. Project title and testing agency's project number.

3. Date of report and designation (number).

4. Dates and locations where samples were taken or inspections and field tests made.

5. Ambient conditions at the time of sample taking and inspecting or field testing.

6. Names of individuals taking the sample or making the inspection or test.

7. Product and test method.

8. Inspection or test data including interpretation of test results and comments or professional opinion on whether inspected or tested Work complies with requirements.

9. Recommendations on retesting or reinspection.

10. Name and signature of laboratory inspector.

D. Testing Agency Qualifications: Agencies that specialize in the types of inspections and tests to be performed and are acceptable to authorities having jurisdiction.

E. Testing Agency Responsibilities: Testing agency shall cooperate with CO and Contractor in performing its duties and shall provide qualified personnel to perform inspections and tests.

1. Agency shall promptly notify CO and Contractor of deficiencies in the Work observed during performance of its services.

2. Agency shall not release, revoke, alter, or enlarge requirements of the Contract

Documents nor approve or accept any portion of the Work.

3. Agency shall not perform duties of Contractor.

F. Auxiliary Services: Cooperate with testing agencies and provide auxiliary services as requested, including the following:

1. Access to the Work.

2. Incidental labor and facilities to assist inspections and tests.

3. Adequate quantities of materials for testing, and assistance in taking samples.

4. Facilities for storing and curing test samples.

5. Security and protection for samples and test equipment.

PART 5 - PRODUCTS (Not Applicable)

PART 6 - EXECUTION (Not Applicable)

END OF SECTION 01400

SECTION 01600 - PRODUCT REQUIREMENTS

PART 7 - GENERAL

7.1 SECTION REQUIREMENTS

A. Provide products of same kind from a single source. The term "product" includes the terms

"material," "equipment," "system," and similar terms.

B. Product Substitutions: Substitutions include products and methods of construction differing from that required by the Contract Documents and proposed by Contractor after award of the

Contract.

1. Submit 3 copies of each request for product substitution.

2. Submit requests within 10 days after signing the Contract.

3. Submit requests in time to permit processing of request and subsequent submittals, if any, sufficiently in advance of when materials are required in the Work. Do not submit unapproved substitutions on Shop Drawings or other submittals.

4. Identify product to be replaced and provide complete documentation showing compliance of proposed substitution with applicable requirements. Include a full comparison with the specified product, a list of changes to other Work required to accommodate the substitution, and any proposed changes in the Contract Sum or the Contract Time should the substitution be accepted.

5. CO will review the proposed substitution and notify Contractor of its acceptance or rejection.

C. Approved Equal Submittal:

1. Submit 3 copies of each request for approval of products as approved equal products.

Submit requests in time to permit processing of request and subsequent submittals, if any, sufficiently in advance of when materials are required in the Work.

2. Identify product to be replaced and provide complete documentation showing compliance of proposed product with applicable requirements. Include a full comparison with the specified product.

3. CO will review the proposed product and notify Contractor of its acceptance or rejection.

D. Deliver, store, and handle products using means and methods that will prevent damage, deterioration, and loss, including theft. Comply with manufacturer's written instructions.

1. Schedule delivery to minimize long-term storage at Project site and to prevent overcrowding of construction spaces.

2. Deliver products to Project site in manufacturer's original sealed container or packaging, complete with labels and instructions for handling, storing, unpacking, protecting, and installing.

3. Inspect products on delivery to ensure compliance with the Contract Documents and to ensure that products are undamaged and properly protected.

4. Store materials in a manner that will not endanger Project site.

5. Store products that are subject to damage by the elements, under cover in a weathertight enclosure above ground, with ventilation adequate to prevent condensation.

PART 8 - PRODUCTS

8.1 PRODUCT OPTIONS

A. Provide products that comply with the Contract Documents, are undamaged, and are new at the time of installation.

1. Provide products complete with accessories, trim, finish, and other devices and components needed for a complete installation and the intended use and effect.

B. Select products to comply with all of the following that are applicable:

1. Where a single product is named and no other manufacturers are named, provide the named product or comply with provisions for "Approved Equal" to obtain approval for use of a product of another manufacturer.

2. Where a product is described with required characteristics, provide a product that complies with those characteristics.

3. Where compliance with codes, regulations, or standards, is specified, select a product that complies with the codes, regulations, or standards referenced.

C. Unless otherwise indicated, CO will select color, pattern, and texture of each product from manufacturer's full range of options.

PART 9 - EXECUTION (Not Applicable)

END OF SECTION 01600

SECTION 01732 - SELECTIVE DEMOLITION

PART 10 - GENERAL

10.1 SECTION REQUIREMENTS

A. Unless otherwise indicated, demolished materials become Contractor's property. Remove from

Project site.

B. Items indicated to be removed and salvaged remain Owner's property. Remove, clean, and deliver to Owner's designated storage area.

C. Comply with EPA regulations and disposal regulations of authorities having jurisdiction.

D. It is not expected that hazardous materials will be encountered in the Work. If materials suspected of containing hazardous materials are encountered, do not disturb; immediately notify CO.

PART 11 - PRODUCTS (Not Applicable)

PART 12 - EXECUTION

12.1 DEMOLITION

A. Conduct demolition operations and remove debris to prevent injury to people and damage to adjacent buildings and site improvements.

B. Promptly remove demolished materials from Owner's property and legally dispose of them.

Do not burn demolished materials.

END OF SECTION 01732

SECTION 02230 - SITE CLEARING

PART 13 - GENERAL

13.1 SECTION REQUIREMENTS

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

B. Notify utility locator service for area where Project is located before site clearing.

PART 14 - PRODUCTS (Not Applicable)

PART 15 - EXECUTION

15.1 PREPARATION

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

B. Install erosion and sedimentation control measures before site clearing.

C. Protect site improvements to remain from damage. Restore damaged improvements to condition existing before start of site clearing.

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

E. Protect remaining trees and shrubs from damage and maintain vegetation. Restore damaged vegetation. Do not store materials or equipment or permit excavation within drip line of remaining trees.

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

15.2 SITE CLEARING

A. Strip topsoil. Stockpile topsoil that will be reused in the Work.

B. Remove obstructions, trees, shrubs, grass, and other vegetation to permit installation of new construction. Removal includes digging out stumps and obstructions and grubbing roots.

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

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

E. In areas not to be further excavated, fill depressions resulting from site clearing. Place and compact satisfactory soil materials in 6-inch- (150-mm-) thick layers to density of surrounding original ground.

F. Dispose of waste materials, including trash, debris, and excess topsoil, off Owner's property, unless material is identified for salvage. Burning waste materials on-site is not permitted.

END OF SECTION 02230

SECTION 02300 - EARTHWORK

PART 16 - GENERAL

16.1 SECTION REQUIREMENTS

A. Unauthorized excavation consists of removing materials beyond indicated subgrade elevations or dimensions without direction by CO. Unauthorized excavation and remedial work shall be at Contractor's expense.

B. Do not interrupt existing utilities serving facilities occupied by Owner.

PART 17 - PRODUCTS

17.1 MATERIALS

A. Satisfactory Soil: ASTM D 2487 Soil Classification Groups GW, GP, GM, SW, SP, and SM;

free of rock or gravel larger than 2 inches (50 mm) in any dimension, debris, waste, frozen materials, vegetation, or other deleterious matter.

B. Unsatisfactory Soil: ASTM D 2487 Soil Classification Groups GC, SC, ML, MH, CL, CH, OL, OH, and PT.

C. Backfill and Fill: Satisfactory soil materials.

D. Subbase: Naturally or artificially graded mixture of natural or crushed gravel, crushed stone, and natural or crushed sand, ASTM D 2940, with at least 95 percent passing a 1-1/2-inch (38-

mm) sieve and not more than 8 percent passing a No. 200 (0.075-mm) sieve.

E. Bedding: Subbase materials with 100 percent passing a 1-inch (25-mm) sieve and not more than 8 percent passing a No. 200 (0.075-mm) sieve.

F. Drainage Fill: Washed, evenly graded mixture of crushed stone, or crushed or uncrushed gravel, ASTM D 448, Size 57, with 100 percent passing a 1-1/2-inch (38-mm) sieve and not more than 5 percent passing a No. 8 (2.36-mm) sieve. Follow recommendations of

Manufacturer for Segmented wall.

PART 18 - EXECUTION

18.1 EARTHWORK

A. Protect subgrades and foundation soils from softening and damage by water, freezing temperatures, or frost.

B. Explosives: Do not use explosives.

C. Excavate to subgrade elevations regardless of character of materials and obstructions encountered.

D. Excavate for structures, building slabs, pavements, and walkways. Trim subgrades to required lines and grades.

E. Plow strip or break up sloped surfaces steeper than 1 vertical to 4 horizontal to receive fill.

F. When subgrade or existing ground surface to receive fill has a density less than that required for fill, break up ground surface, pulverize, moisture-condition or aerate soil, and recompact.

G. Place backfill and fill in layers not more than 8 inches (200 mm) in loose depth at optimum moisture content. Compact each layer under structures, building slabs, pavements, and walkways to 95 percent of maximum dry unit weight according to ASTM D 698; elsewhere to

90 percent.

H. Grade areas to a smooth surface to cross sections, lines, and elevations indicated. Grade lawns, walkways, and unpaved subgrades to tolerances of plus or minus 1-1/4 inch (32 mm) and pavements and areas within building lines to plus or minus 1/2 inch (13 mm).

I. Under pavements and walkways, place subbase course material on prepared subgrades and compact at optimum moisture content to required grades, lines, cross sections, and thicknesses.

J. Under slabs-on-grade, place drainage fill on prepared subgrade and compact to required cross section and thickness.

K. Allow testing agency to inspect and test each subgrade and each fill or backfill layer and verify compliance with requirements.

L. Remove surplus satisfactory soil and waste material, including unsatisfactory soil, trash, and debris, and legally dispose of it off Owner's property, or in areas identified by the CO.

END OF SECTION 2300

SECTION 02741 - HOT-MIX ASPHALT PAVING

PART 19 - GENERAL

19.1 SECTION REQUIREMENTS

A. Submittals: Product Data and hot-mix asphalt design mixes.

B. Provide hot-mix asphalt paving according to standard specifications of Michigan DOT.

C. Asphalt-Paving Publication: Comply with AI MS-22, "Construction of Hot Mix Asphalt

Pavements," unless more stringent requirements are indicated.

PART 20 - PRODUCTS

20.1 MATERIALS

A. Hot-Mix Asphalt: Dense, hot-laid, hot-mix asphalt plant mixes approved by authorities having jurisdiction; designed according to procedures in AI MS-2, "Mix Design Methods for Asphalt

Concrete and Other Hot-Mix Types"; and complying with the following requirements:

1. Base Course: MDOT 2003 Standard Specifications for Construction, Dense Graded

Aggregate 22A

2. Surface Course: MDOT 2003 Standard Specifications for Construction, Mix design 13A.

PART 21 - EXECUTION

21.1 PAVING

A. Place hot-mix asphalt to required grade, cross section, and thickness. Promptly correct surface irregularities in paving course.

1. Spread mix at minimum temperature of 250 deg F (121 deg C).

B. Begin compaction as soon as placed hot-mix paving will bear roller weight without excessive displacement. Compact hot-mix paving with hot, hand tampers or vibratory-plate compactors in areas inaccessible to rollers. Complete compaction before mix temperature cools to 185 deg F (85 deg C).

C. Complete breakdown or initial rolling immediately after rolling joints and outside edge.

Examine surface immediately after breakdown rolling for indicated crown, grade, and smoothness.

D. Begin intermediate rolling immediately after breakdown rolling while hot-mix asphalt is still hot enough to achieve specified density. Continue rolling until hot-mix asphalt course has been uniformly compacted to 92 percent of reference maximum theoretical density according to ASTM D 2041.

E. Finish roll paved surfaces to remove roller marks while hot-mix asphalt is still warm.

F. Remove and restore paved areas that are defective or contaminated.

END OF SECTION 02741

SECTION 02832 - SEGMENTAL RETAINING WALLS

PART 22 - GENERAL

22.1 SECTION REQUIREMENTS

A. Structural Performance: Provide segmental retaining walls capable of withstanding gravity loads according to NCMA's "Design Manual for Segmental Retaining Walls."

B. Seismic Performance: Provide segmental retaining walls capable of withstanding the effects of earthquake motions determined according NCMA's "Segmental Retaining Walls--Seismic

Design Manual."

C. Submittals: Product Data.

D. Submit test reports indicating compliance of retaining wall units and soil reinforcement with requirements.

PART 23 - PRODUCTS

23.1 RETAINING WALL MATERIALS

A. Concrete Units: ASTM C 1372, Normal Weight, complying with requirements for freeze-thaw durability.

1. Available Products:

a. Retaining Wall: ROCKWOOD “Classic 6” Straight Faced or Approved Equal.

b. Seat Wall: ROCKWOOD “StoneHedge XL” Wall or Approved Equal.

c. Steps: ROCKWOOD “Classic 6” Straight Faced or Approved Equal.

d. Cap: ROCKWOOD “Classic/Universal Caps” or Approved Equal.

Source: Cheboygan Cement Products, Inc.

702 Lafayette Avenue

Cheboygan, Michigan 49721

Phone: (231) 627-5631

Fax: (231) 627-2750

2. Exposed Faces: Machine-split textured.

3. Shape and Dimensions: To match recommended style.

4. Corner units and other special shapes to provide textures on exposed surfaces matching faces.

5. Pins, clips, cap adhesive, and other accessories recommended by retaining wall unit manufacturer.

B. Soil Reinforcement: molded polyethylene geogrid or as recommended by manufacturer of segmented retaining wall.

PART 24 - EXECUTION

24.1 RETAINING WALL INSTALLATION

A. Place and compact base material to 95 percent maximum dry unit weight according to

ASTM D 698 Place retaining wall units according to NCMA's "Segmental Retaining Wall

Installation Guide."

1. Place fills on both sides of wall at same time, where both sides are indicated to be filled.

2. Fill voids with drainage fill.

B. Cap Units: Place cap units and secure with cap adhesive.

24.2 FILL PLACEMENT

A. Place, spread, and compact fill in uniform lifts for full width and length of embankment as wall is laid. Begin at back of wall and place and spread fill toward embankment.

1. Use only hand-operated compaction equipment within 48 inches (1200 mm) of wall.

2. Compact drainage fill and reinforced soil fill to 95 percent maximum dry unit weight according to ASTM D 698.

3. Compact unreinforced soil fill per Division 2 Section "Earthwork."

B. Embed soil reinforcement in horizontal joints of retaining wall 8 inches (200 mm), stretch tight over compacted backfill, and anchor before placing fill on it.

1. Use additional soil reinforcement at corners and curved walls to provide continuous reinforcement.

2. Do not dump fill material directly onto geosynthetics.

C. In each compacted backfill layer, perform at least 1 field in-place compaction test for each 150 feet (50 m) or less of segmental retaining wall length.

END OF SECTION 02832

SECTION 02920 - LAWNS AND GRASSES

PART 1 - GENERAL

1.1 SECTION REQUIREMENTS

A. Submittals: Product certificates and planting schedule.

PART 2 - PRODUCTS

2.1 GRASSES

A. Seed Species: State-certified seed of grass species, as follows:

1. Seed Mixture: Annual Rye.

Note: The Forest Service shall provide additional Native Seed to be sown with the

Annual Rye provided by the contractor.

2.2 SOILS AND AMENDMENTS

A. Topsoil: ASTM D 5268, free of stones 1 inch (25 mm) or larger.

B. Lime: ASTM C 602, Class T, agricultural limestone.

C. Slow-Release Fertilizer: Granular fertilizer consisting of 50 percent water-insoluble nitrogen, phosphorus, and potassium; 20 percent nitrogen; 10 percent phosphorous; and 10 percent potassium; by weight.

D. Erosion Control Blankets: Temporary Degradable Straw Erosion Blankets meeting requirements of Maximum Permissible Velocity of 8 ft/sec and Max Shear of 1.5 lbs/sf.

PART 3 - EXECUTION

3.1 PREPARATION

A. Loosen subgrade, remove stones, sticks, existing grass, vegetation, and other extraneous materials.

1. At newly graded subgrades, spread planting soil mixture to a depth of 4 inches (100 mm) to 6 inches (150 mm) but not less than required to meet finish grades.

3.2 PLANTING

A. Seeding Lawns: Evenly distribute seed by sowing with a spreader or a seeding machine. Rake seed lightly into top 1/8 inch (3 mm) of topsoil, roll lightly, and water with fine spray. Protect seeded areas by covering with degradable straw erosion blankets.

1. Seeding Rate: 3 to 4 lb/1000 sq. ft. (1.4 to 1.8 kg/92.9 sq. m).

2. A minimum of 60% germination and success rate is required.

B. Disposal: Remove waste material and legally dispose of off Owner's property. Surplus top soil shall be salvaged and placed at location identified by the COR.

C. Seeding shall be completed between March 1-May 15 for spring plantings and September 1-

October 15 for fall planting.

D. Temporary seeding during winter months may be required and shall consist of winter wheat and straw mulch at one ton per acre.

END OF SECTION 02920

SECTION 03300 - CAST-IN-PLACE CONCRETE

PART 4 - GENERAL

4.1 SECTION REQUIREMENTS

A. Submittals: Product Data concrete mix designs and laboratory test reports.

B. Comply with ASTM C 94; ACI 301, "Specification for Structural Concrete"; ACI 117, "Specifications for Tolerances for Concrete Construction and Materials"; and CRSI's "Manual of Standard Practice" and as here in modified.

C. Engage a qualified independent testing agency to design concrete mixes.

PART 5 - PRODUCTS

5.1 MATERIALS

A. Deformed Reinforcing Bars: ASTM A 615/A 615M, Grade 60 (Grade 420).

B. Plain Steel Wire: ASTM A 82, as drawn.

C. Portland Cement: ASTM C 150, Type I or II.

D. Fly Ash: ASTM C 618, Type C or F.

E. Aggregates: ASTM C 33, uniformly graded.

F. Vapor Retarder: Clear 10-mil- (0.25-mm-) thick polyethylene sheet.

G. Joint-Filler Strips: ASTM D 1751, cellulosic fiber, or ASTM D 1752, cork.

H. Repair Topping: Factory-packaged, portland or blended hydraulic cement-based, polymer-modified, self-leveling traffic-bearing topping with minimum 28-day compressive strength of

5700 psi (39 MPa).

5.2 MIXES

A. Proportion normal-weight concrete mixes to provide the following properties:

1. Compressive Strength shall not be less than 4000 psi (27.6 MPa) at 28 days for any sample.

2. Slump Limit: 4 inches (100 mm) at point of placement.

3. Air Content: 5.5 to 7.0 percent for concrete exposed to freezing and thawing, 2 to 4 percent elsewhere.

PART 6 - EXECUTION

6.1 CONCRETING

A. Construct formwork and maintain tolerances and surface irregularities within ACI 117 limits of

Class A for concrete exposed to view and Class C for other concrete surfaces.

B. Place vapor retarder on prepared subgrade, with joints lapped 6 inches (150 mm).

C. Accurately position, support, and secure reinforcement.

D. Install construction, isolation, and contraction joints where indicated. Install full-depth joint-filler strips at isolation joints. Control joints shall be installed within 12 hours of placement.

E. Place concrete in a continuous operation and consolidate using mechanical vibrating equipment.

F. Protect concrete from physical damage, premature drying, and reduced strength due to hot or cold weather during mixing, placing, and curing.

G. Formed Surface Finish: Smooth-formed finish for concrete exposed to view, coated, or covered by waterproofing or other direct-applied material; rough-formed finish elsewhere.

H. Slab Finishes: Nonslip-broom finish to exterior concrete platforms, steps, and ramps.

I. Begin curing concrete slabs after finishing. Keep concrete continuously moist for at least seven days Contractor shall perform field tests and to submit test reports.

J. Protect concrete from damage. Repair surface defects in formed concrete and slabs.

END OF SECTION 03300