DO_08_Ross_Point_Final_Phase_1_Specifications_Amend_2_tjs_20210722_0002.pdf

Bryce Marsh 2021.03.31 11:06:07 -06'00'

Darrell Dean Digitally signed by Darrell Dean Date: 2021.03.31 13:08:54 -04'00'

MARCH 2021 SUMMARY

ROSS POINT RECREATION SITE IMPROVEMENTS 011000-1

SECTION 011000 - SUMMARY

PART 1 - GENERAL

1.1 SUMMARY

A. This Section includes the following:

1. Work covered by the Contract Documents.

2. Work under other contracts.

3. Use of premises.

4. Government occupancy requirements.

5. Specification formats and conventions.

1.2 WORK COVERED BY CONTRACT DOCUMENTS

A. Project Identification: Ross Point.

1. Project Location: Ross Point, Post Falls, Idaho.

B. The Work consists of the following:

1. The Work includes: Redevelopment of the Ross Point recreation site including improvements to the parking lot, walkways, picnic sites, irrigation, bank stabilization kiosks, signs, pier, floating dock and new pavilion.

C. Project will be constructed under a single prime contract.

1.3 USE OF PREMISES

A. Contractor shall have full use of premises for construction operations, including use of Project site, during construction period. Contractor's use of premises is limited only by Government right to perform work or to retain other contractors on portions of Project.

B. Schedule operations so that Work is conducted during regular office hours which are 7:30 am – 5:30 pm.

C. Schedule and sequence operations necessary to complete the work, including coordination with other crafts relative to the Contractor's requirements. Schedule Work in such manner as to avoid delays in overall construction and permit proper installation of work.

D. Use of Site: Limit use of premises to work in areas indicated. Do not disturb portions of Project site beyond areas in which the Work is indicated.

1. Limits: Confine constructions operations to the existing Simpson Springs Campground roadways and immediate surrounding area.

tsyverson Highlight

ROSS POINT RECREATION SITE IMPROVEMENTS 011000-2

2. Government Occupancy: Allow for Government occupancy of Project site. Conduct work in a manner that will minimize needs for disruption of normal Government operations. Provide minimum 72 hours advance notice to Contracting Officer of activities that will impact normal Government operations. Secure Contracting Officer's written approval of activities that will impact normal Government operations to avoid delays in overall construction and permit proper installation or work.

3. Driveways and Entrances: Keep driveways and entrances serving premises clear and available to Government, Government employees, and emergency vehicles at all times.

Do not use these areas for parking or storage of materials.

a. Schedule deliveries to minimize use of driveways and entrances.

b. Schedule deliveries to minimize space and time requirements for storage of materials and equipment on-site.

1.4 SPECIFICATION FORMATS AND CONVENTIONS

A. Specification Format: The Specifications are organized into Divisions and Sections using the 16-division format and CSI/CSC's "MasterFormat" numbering system.

1. Division 1: Sections in Division 1 govern the execution of the Work of all Sections in the Specifications.

B. Specification Content: The Specifications use certain conventions for the style of language and the intended meaning of certain terms, words, and phrases when used in particular situations.

These conventions are as follows:

1. Abbreviated Language: Language used in the Specifications and other Contract Documents is abbreviated. Words and meanings shall be interpreted as appropriate.

Words implied, but not stated, shall be inferred as the sense requires. Singular words shall be interpreted as plural, and plural words shall be interpreted as singular where applicable as the context of the Contract Documents indicates.

2. Imperative mood and streamlined language are generally used in the Specifications.

Requirements expressed in the imperative mood are to be performed by Contractor.

Occasionally, the indicative or subjunctive mood may be used in the Section Text for clarity to describe responsibilities that must be fulfilled indirectly by Contractor or by others when so noted.

a. The words "shall," "shall be," or "shall comply with," depending on the context, are implied where a colon (:) is used within a sentence or phrase.

C. Terminology: In Divisions 2 through 32 specification sections, all references to “Owner” shall be replaced with the term “Government” or “Contracting Officer” (when referring to the person acting for the Government). All references to “Architect” shall be replaced with the term “Contracting Officer”.

ROSS POINT RECREATION SITE IMPROVEMENTS 011000-3

PART 2 - PRODUCTS (Not Used)

PART 3 - EXECUTION (Not Used)

END OF SECTION 011000

MARCH 2021 EARTH MOVING

ROSS POINT RECREATION SITE IMPROVEMENTS 312000-1

SECTION 312000 - EARTH MOVING

PART 1 - GENERAL

1.1 SUMMARY

A. Section Includes:

1. Excavating and filling for rough grading the Site.

2. Preparing subgrades for slabs-on-grade concrete.

3. Subbase course for concrete walks.

4. Excavating and backfilling trenches for utilities and pits for buried utility structures.

5. Excavating for keyway and placing rip rap for bank stabilization.

1.2 DEFINITIONS

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

1. Initial Backfill: Backfill placed beside and over pipe in a trench, including haunches to support sides of pipe.

2. Final Backfill: Backfill placed over initial backfill to fill a trench.

B. Base Course: Aggregate layer supporting the slab-on-grade that also minimizes upward capillary flow of pore water.

C. Bedding Course: Aggregate layer 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: Narrowly graded mixture of washed crushed gravel to allow free draining.

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

1. Authorized Additional Excavation: Excavation below subgrade elevations or beyond indicated lines and dimensions as directed by Contracting Officer. Authorized additional excavation and replacement material will be paid for according to Contract provisions for changes in the Work.

2. Unauthorized Excavation: Excavation below subgrade elevations or beyond indicated lines and dimensions without direction by Contracting Officer. Unauthorized excavation, as well as remedial work directed by Contracting Officer, shall be without additional compensation.

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

ROSS POINT RECREATION SITE IMPROVEMENTS 312000-2

H. Rip Rap – Loose stone used to form a foundation for a breakwater and to armor shorelines and pilings.

I. 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.

J. Subbase Course: Aggregate layer placed between the subgrade and cement concrete walk.

K. Subgrade: Uppermost surface of an excavation or the top surface of a fill or backfill immediately below subbase, fill, base course, or topsoil materials.

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

1.3 INFORMATIONAL SUBMITTALS

A. Material test reports.

1.4 FIELD CONDITIONS

A. Utility Locator Service: Notify utility locator service for area where Project is located before beginning earth-moving operations.

B. Do not commence earth-moving operations until plant-protection measures are in place.

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: Soil Classification Groups A-2 per AASHTO M145; free of rock or gravel larger than 3 inches in any dimension, debris, waste, frozen materials, vegetation, and other deleterious matter.

C. Unsatisfactory Soils: Soil Classification Groups A-1, A-3 through A-7 per AASHTO M145, 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. Pit Run Material: Naturally or artificially graded mixture of natural or crushed gravel, crushed stone, and natural or crushed sand; AASHTO M145; with at least 90 percent passing a 6-inch sieve and not more than 9 percent passing a No. 200 sieve.

ROSS POINT RECREATION SITE IMPROVEMENTS 312000-3

E. Crushed aggregate: Artificially graded mixture of crushed gravel or crushed stone, meeting ISPWC 802 Type I crushed aggregate standard.

F. Bedding Course: Naturally or artificially graded mixture of natural or crushed gravel, crushed stone, and natural or crushed sand; Group A-1 per AASHTO M145; except with 100 percent passing a 1-inch sieve and not more than 15 percent passing a No. 200 sieve.

G. Drainage Course: Narrowly graded mixture of washed crushed stone or crushed or uncrushed gravel to meet UDOT standard specification for Free Draining Granular Backfill.

H. Rip Rap: Naturally or artificially well graded mixture of natural or crushed aggregate meeting the requirements of Table 705-1, FHWA FP-14 standard specification for specified class and subsection 705.02. Submit test results for approval.

I. Rip Rap Bedding Course: Crushed aggregate: Artificially graded mixture of crushed gravel or crushed stone, meeting ISPWC 802 Type II crushed aggregate standard.

J. 6” Minus Rip Rap: Naturally or artificially well graded mixture of natural or crushed aggregate with 100% passing a 6” screen and not more than 15% passing a 1” screen.

PART 3 - EXECUTION

3.1 PREPARATION

A. Protect structures, utilities, sidewalks, pavements, and other facilities from damage caused by settlement, lateral movement, undermining, washout, and other hazards created by earth-moving operations.

B. Protect and maintain erosion and sedimentation controls during earth-moving operations.

C. Protect subgrades and foundation soils from freezing temperatures and frost. Remove temporary protection before placing subsequent materials.

D. Type 2 turbidity curtains shall be installed before the start of any excavation work for the installation of rip rap in the Spokane River, or adjacent to the river where water may infiltrate the excavated area. The turbidity curtains shall envelop the excavated areas and be maintained until the installation of the rip rap is completed to above the water level. Turbidity curtains shall be compliant with Clean Water Act, NPDES and Idaho DOT requirements.

3.2 EXCAVATION, GENERAL

A. Unclassified Excavation: Excavate to subgrade elevations regardless of the character of surface and subsurface conditions encountered. Unclassified excavated materials may include rock, soil materials, and obstructions. No changes in the Contract Sum or the Contract Time will be authorized for rock excavation or removal of obstructions.

tsyverson Highlight

ROSS POINT RECREATION SITE IMPROVEMENTS 312000-4

1. If excavated materials intended for fill and backfill include unsatisfactory soil materials and rock, replace with satisfactory soil materials.

3.3 EXCAVATION FOR STRUCTURES

A. 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, Basins, 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.

B. Excavations at Edges of Tree- and Plant-Protection Zones:

1. Excavate by hand or with an air spade to indicated lines, cross sections, elevations, and subgrades. If excavating by hand, use narrow-tine spading forks to comb soil and expose roots. Do not break, tear, or chop exposed roots. Do not use mechanical equipment that rips, tears, or pulls roots.

2. Cut and protect roots as necessary.

3.4 EXCAVATION FOR WALKS AND PAVEMENTS

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

3.5 EXCAVATION FOR UTILITY TRENCHES

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

B. Excavate trenches to uniform widths to provide the following 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.

1. Clearance: 12 inches each side of pipe or conduit.

C. Trench Bottoms: Excavate and shape trench bottoms to provide uniform bearing and support of pipes and conduit. Shape subgrade to provide continuous support for bells, joints, and barrels of pipes and for joints, fittings, and bodies of conduits. Remove projecting stones and sharp objects along trench subgrade.

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

ROSS POINT RECREATION SITE IMPROVEMENTS 312000-5

D. Trenches in Tree- and Plant-Protection Zones:

1. Hand-excavate to indicated lines, cross sections, elevations, and subgrades. Use narrow-tine spading forks to comb soil and expose roots. Do not break, tear, or chop exposed roots. Do not use mechanical equipment that rips, tears, or pulls roots.

2. Do not cut main lateral roots or taproots; cut only smaller roots that interfere with installation of utilities.

3. Cut and protect roots as necessary.

3.6 SUBGRADE INSPECTION

A. Proof-roll subgrade below the building slabs and pavements with a pneumatic-tired dump truck or approved equipment to identify soft pockets and areas of subgrade yielding in excess of 1/2".

Do not proof-roll wet or saturated subgrades. The contractor shall determine the equipment necessary to perform proof rolling operations that meets the geotechnical engineer’s requirements for site specific soil conditions. Subgrades failing inspection shall be repaired under the supervision of a geotechnical engineer.

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

3.7 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. Lean concrete fill, with 28-day compressive strength of 2500 psi, may be used when approved by Contracting Officer.

1. Fill unauthorized excavations under other construction, pipe, or conduit as directed by Contracting Officer.

3.8 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. Cover to prevent windblown dust.

1. Stockpile soil materials away from edge of excavations. Do not store within drip line of remaining trees.

3.9 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.

ROSS POINT RECREATION SITE IMPROVEMENTS 312000-6

C. Initial Backfill: Place and compact initial backfill of satisfactory soil, free of particles larger than 1 inch in any dimension, to a height of 6 inches over the pipe or conduit.

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

D. Final Backfill: Place and compact final backfill of satisfactory soil to final subgrade elevation.

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

3.10 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, use satisfactory soil material.

3. Under building slabs, satisfactory soil material.

4. Under footings and foundations, satisfactory soil material.

3.11 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.

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.

3.12 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 percentages of maximum dry unit weight according to ASTM D D698:

ROSS POINT RECREATION SITE IMPROVEMENTS 312000-7

1. Under structures, building slabs, and pavements, 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 92 percent.

3. Under turf 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 of initial and final backfill soil material at 95 percent.

3.13 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.

B. Site Rough Grading: Slope grades to direct water away from buildings and to prevent ponding.

Finish subgrades to elevations required to achieve indicated finish elevations, within the following subgrade tolerances:

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

2. Walks: Plus or minus 1 inch.

3.14 BASE COURSE UNDER CONCRETE SLABS-ON-GRADE

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

B. On prepared subgrade, place and compact base course under cast-in-place concrete slabs-on-grade as follows:

1. Place base course that exceeds 6 inches in compacted thickness in layers of equal thickness, with no compacted layer more than 6 inches thick or less than 3 inches thick.

2. Compact each layer of base course to required cross sections and thicknesses to not less than 95 percent of maximum dry unit weight according to ASTM D 1557.

3.15 BASE COURSE FOR GRAVEL WALKWAYS

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

B. On prepared subgrade, place and compact base course under cast-in-place concrete slabs-on-grade as follows:

1. Place base course that exceeds 6 inches in compacted thickness in layers of equal thickness, with no compacted layer more than 6 inches thick or less than 3 inches thick.

2. Compact each layer of base course to required cross sections and thicknesses to not less than 95 percent of maximum dry unit weight according to ASTM D 1557.

ROSS POINT RECREATION SITE IMPROVEMENTS 312000-8

3.16 FIELD QUALITY CONTROL

A. Testing Agency: Engage a qualified geotechnical engineering testing agency to perform tests and inspections.

B. Allow testing agency to inspect and test subgrades and each fill or backfill layer. Proceed with subsequent earth moving 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 shall 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 Contracting Officer.

D. Testing agency will test compaction of soils in place according to ASTM D 1556, ASTM D 2167, ASTM D 2937, and ASTM D 6938, as applicable. Tests will be performed at the following locations and frequencies:

1. Foundation Wall Backfill: At each compacted backfill layer, at least one test for every

100 feet or less of wall length but no fewer than two tests.

E. Trench Backfill: At each compacted initial and final backfill layer, at least one test for every 100 feet or less of trench length but no fewer than two tests.

F. 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 materials to depth required; recompact and retest until specified compaction is obtained.

3.17 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.

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.

3.18 DISPOSAL OF SURPLUS AND WASTE MATERIALS

A. Remove surplus satisfactory soil and waste materials, including unsatisfactory soil, trash, and debris, and legally dispose of them off Government's property.

ROSS POINT RECREATION SITE IMPROVEMENTS 312000-9

END OF SECTION 312000

MARCH 2021 FLOATING PIER

ROSS POINT RECREATION SITE IMPROVEMENTS 355113 - 1

SECTION 355113 – FLOATING PIER

PART 1 - GENERAL

1.1 SUMMARY

A. Section Includes:

1. Floating Dock System: Furnish all labor, materials, tools, equipment and incidentals necessary to satisfactorily fabricate, manufacture or otherwise furnish and deliver the components and complete assemblies for all Floating Dock Systems including walkways, bumpers, handrails, cleats and other accessories as shown on the drawings.

2. Dock system shall consist of pier, gangway, floating dock, and support structure components including foundation piles as shown on drawings. All components of this dock system shall be compliant with the most current ADA regulations.

B. Contractor Site Inspection:

The contractor shall examine the jobsite before preparing his shop drawings to verify all physical conditions and surroundings.

1.2 ACTION SUBMITTALS

A. Product Data: For each type of product for approval by the Owner.

B. Shop Drawings:

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

2. Detail fabrication and installation of steel structural members, including connections at member ends and to adjoining construction.

3. Harbor Plan shall indicate the shore line and location of various docks and access routes.

Layout should indicate the individual slip dimensions and number of slips available.

4. Individual dock plans shall indicate the location of all joints, framing, cleat layout, anchorage system and all other dock amenities.

5. Section and elevation of the pier, gangways and floating dock at the 100 year high water, ordinary high water, and ordinary low water elevations.

6. Anchorage details.

7. Details of flotation unit.

8. Fascia and/or moldings.

9. Swimming buoy locations and anchorage details.

10. Fixed pile foundation layout and details.

11. Gangway details and connections.

1.3 INFORMATIONAL SUBMITTALS

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

ROSS POINT RECREATION SITE IMPROVEMENTS 355113 - 2

B. Material certificates, Mill Test Reports.

C. Material Test Reports: For prefabricated concrete masonry units and structural steel components.

D. Source quality-control reports.

E. Field quality-control reports.

1.4 QUALITY ASSURANCE

A. Fabricator Qualifications: Shall have all in-house quality control system to ensure that all products are procured, manufactured, and assembled in a workmanship like manner. Any items not meeting a reasonable fit and finish shall be repaired or replaced as necessary.

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

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

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

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

1.5 COORDINATION

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

1.6 WARRANTY

A. The Contractor shall execute and deliver to the Government, before final payment, a written Warranty stating that all labor and materials (including docks and all associated work) furnished by the Contractor are in accordance with the contract plans and specifications, authorized alterations and additions thereto; and that, should any defect develop during the contract warranty period as hereinafter defined, due to improper materials, workmanship or design, those defects be corrected by the Contractor without expense to the Owner.

1. Manufactured Products – Two Year Limited Warranty provided by Dock Manufacturer

2. Flotation – Fifteen Year Limited Warranty provided by flotation manufacturer

3. Decking – Ten Year Limited Warranty (minimum) provided by decking manufacturer for precast concrete panels and Twenty Year Limited Warranty (minimum) provided by decking manufacturer for extruded aluminum planking

ROSS POINT RECREATION SITE IMPROVEMENTS 355113 - 3

1.7 DESIGN LOAD CONDITIONS

A. Vertical Loads

1. Dead loads shall consist of the entire weight of the floating structure, including utilities, dock boxes, superstructure and other accessories and appurtenances.

2. Deck surface and structural frame shall be designed to support a 50 PSF live load applied to the full surface area of the deck.

3. Substructure shall be designed to support full live load across a 30’ span (calculated to be maximum wave, crest to crest, on most inland lakes).

4. Flotation shall be designed to support the dead load plus 30 PSF live load applied to the entire deck area.

5. Freeboard shall be between 17 & 21 inches, during dead load only conditions.

B. Horizontal Loads

1. A uniform horizontal wind loading from any direction shall be calculated in accordance with ASCE 7-05 for exposure category “D” on all projected surfaces, assuming 100% boat occupancy.

Craft Profile Heights Slip Lengths Profile Height 25’ or less 5.3’ 30’ 5.5’ 35’ 6.0’

2. Wind parallel to main walk shall be assumed to be against a full boat length or a full finger length whichever is greater, multiplied by boat height plus 20% for each boat profile behind that.

3. A horizontal load due to impact on a finger dock shall be the result of the largest berthed craft normally using the adjacent slip striking the end of the finger ten degrees off the center line of the finger dock. For the purposes of calculations, the weight of the craft shall be 12 times the finger length squared. For analysis of impact, craft speed shall be considered moving at a speed of 3 FPS.

4. Wind perpendicular to base dock shall be assumed to be against a full slip width multiplied by a foot boat height plus 10% of each boat profile behind that.

PART 2 - PRODUCTS

2.1 PEFORMANCE REQUIREMENTS

A. The floating dock system including the fixed pier, gangway, dock and dock accessories shall be designed by a reputable and experienced manufacture with a minimum of ten years of equivalent experience. The dock system shall be fabricated in the manufactures facility and shipped to the site complete with decking and floatation attached, ready for final placement.

B. The following standards are referenced to in whole or only the portions that are specifically applicable to Floating Dock Systems.

ROSS POINT RECREATION SITE IMPROVEMENTS 355113 - 4

1. "2012 International Building Code" (IBC2012)

2. American Society of Civil Engineers manual ASCE/SEI 7-05, “Minimum Design loads for Building and Other Structures.”

3. American Institute of Steel Construction, Inc., (AISC), “Steel Construction Manual”, Thirteenth Edition.

4. American Society for Testing Materials (ASTM)

5. ASTM A6/A6M-04b, “Standard Specifications for General Requirements for Rolled

Structural Steel Bards, Plates, Shapes and Sheet Piling.”

6. ASTM A307-10 “Standard Specifications for Carbon Steel Bolts and Studs, 60,000 PSI

Tensile Strength.”

7. ASTM A325-10 “Standard Specifications for Structural Bolts, Steel, Heat Treated, 120/105 ksi Minimum Tensile Strength.”

8. ASTEM A449-04, “Standard Specifications for Quenched and Tempered Steel Bolts and

Studs.”

9. ASTM A53/A53M-04b, “Standard Specifications for Pipe, Steel, Black and Hot-Dipped

Zinc Coated Welded and Seamless.”

10. ASTM A500-03a, “Standard Specifications for Cold-Formed Welded and Seamless

Carbon Steel Structural Tubing in Rounds and Shapes.”

11. ASTM A123- “Standard Specifications for Zinc (Hot-Dipped Galvanized) Coatings on

Iron and Steel Products.”

12. ASTM A153-“Standard Specifications for Zinc Coatings (Hot-Dipped) on Iron and Steel

Hardware.”

13. ASTM A563-04a “Standard Specifications for Zinc Coatings (Hot-Dipped) on Iron and

Steel Hardware.”

14. American Welding Society (AWS) "Structural Welding Code - Steel"

15. The Aluminum Association, Inc., Design Standards.

16. ASCE Manuals and Reports on Engineering Practice No. 50 “Planning and Design

Guides For Small Craft Harbors”, Prepared by Task Committee on Marinas 2000.

17. Americans with Disabilities Act Standards (ADA)

18. Association of Rotational Molders, “The Introductory Guide to Designing Rotationally

Molded Plastic Parts.”

2.2 MATERIALS

A. Steel Frames:

1. Box truss steel frames shall be completely welded trusses made from ASTM A36 steel.

All steel angle components shall be a minimum of L2x2x3/16, truss webbing shall be ½” diameter rounds and bottom bracing shall be either steel angles or x-braced flat bars.

Steel angle components in structural frames shall be coped (notched) and fitted prior to welding - overlapping angles will not be permitted.

2. All welders shall be AWS certified and welding shall conform to AWS D1.1 and visually conform to AWS Section 6 and Table 6.1. All angle-to-angle connections shall be welded on both sides, with exterior welds ground smooth prior to galvanizing.

3. All steel frames shall be hot-dipped galvanized after fabrication in accordance with ASTM A123. Field welding of galvanized metals will not be allowed except on minor corrections above water level, which will be treated with a cold galvanizing process.

4. All bolt holes shall be round holes in compliance with AISC-13, Table J3.3. Holes may be reamed to remove excess galvanizing and shall be coated with spray galvanizing.

Slotted holes are not allowed.

ROSS POINT RECREATION SITE IMPROVEMENTS 355113 - 5

5. The steel frames shall be designed for field connection with galvanized bolts. Bolts shall be ASTM A307 or ASTM A325 with a minimum diameter of 1/2-inch. Connections shall be designed so that units may be disconnected and moved.

B. Floatation

1. Flotation units shall be of seamless one-piece polyethylene rotational molded encasement with a nominal wall thickness of 0.15” and a minimum wall thickness of 0.125”.

2. The polyethylene flotation units shall be completely filled with modified polystyrene expanded in place with a nominal density of 1 Lb/Cu.Ft. Water absorption shall not exceed 4.0% by volume.

3. Flotation units shall be firmly secured to the bottom of the frame with a minimum of (4) bolts.

4. Flotation units shall be of fire resistance construction.

5. All flotation units shall be bright white in color and shall be oriented in pontoon fashion for dock stability.

C. Anchorage System

1. Shall consists of steel pipe piles with a minimum nominal diameter of 10 inches.

2. Steel shall be coated for corrosion resistance for marine environment.

3. Steel manufactures shall meet applicable ASTM methods for welded and seamless structural steel pipe.

D. Accessories

1. Fascia boards shall be 1 x 6 Composite lumber & shall be through bolted to the frame on 2-foot centers with minimum of 3/8-inch diameter galvanized bolts. Bolts shall be counter-sunk in the fascia. Fascia shall be located on the perimeter of all dock structures.

2. Bumper Strip shall be constructed of vinyl material & have a minimum height of compression section shall be 2 ½” with 1” depth minimum. Bumper shall be attached with stainless steel nails or screws, as recommended by Manufacturer’s specifications.

3. ADA Safety Curb shall be constructed of 2"x2" tube steel with a minimum thickness of 11-gauge and shall be hot-dip galvanized after fabrication. The curb shall be 4" tall (from top of deck to top of curb) with vertical supports spaced at a maximum of 48" O.C.

Safety curbs shall be bolted to the structural framework of the dock at each vertical curb support.

4. Dock cleats shall be 8-inch galvanized steel or aluminum, retractable cleat, through-bolted to the dock frame. Cleats shall be spaced at a maximum of 8-feet, as shown on the drawings.

5. Hinges shall be designed to accommodate all loads in the specified in Section 1.7.

Hinges shall be covered with an ADA compliant transition and be made with a corrosion resistance material.

E. Deck Material

1. Decking shall be 1-5/8" thick precast concrete panels with nominal dimensions of 2'x2'.

Concrete shall have a maximum density of 120 PSF (i.e. light-weight concrete), a minimum 28-day compressive strength of 5,000 PSI, and shall be reinforced with #6-

ROSS POINT RECREATION SITE IMPROVEMENTS 355113 - 6

4"x4" wire mesh. Decking shall be supported on any two opposing sides & attached to the dock frame with concrete-adhesive tacky tape.

F. Gangway Design

1. The gangway shall be constructed with 6000-series aluminum. All primary members shall be extruded tubular sections and decking shall be extruded aluminum planking or maintenance free composite deck suitable for a marine environment. Welding shall be performed by AWS certified welders in accordance with AWS D1.2.

2. Gangway shall be able to support its own Dead Load plus a 50 PSF Live Load applied to the entire span. Dock flotation shall accommodate the Dead Load of the gangway.

3. Design shall be fully compliant with the International Building Code and Americans with Disabilities Act.

4. The gangway shall connect to the bulkhead with a hanging shackle type connection and roll on the surface of the dock. Rollers shall be UHMW with a stainless steel axle and shall be replaceable.

G. Fixed Pier Design

1. The fixed pier shall be 60” wide and ADA compliant. The pier will be a standalone structure supported by steel piles. The primary members shall be extruded steel sections and decking shall be of the same material and design used for decking on the floating dock. The pier shall include corrosion proof connections and transitions to and from the concrete landing and aluminum gangway.

2. Design shall be fully compliant with the International Building Code and Americans with Disabilities Act.

3. The fixed pier shall be able to support its own Dead Load plus a 100 PSF Live Load applied to the entire span.

PART 3 - EXECUTION

3.1 Installation

A. Comply with applicable codes for fabricating, placing, and securing structural members.

B. Install structural piles where indicated, in accordance with the local authority’s jurisdiction.

All pilings shall be driven using an impact hammer with a wooden block cushion to reduce noise.

C. Place floating dock sections where indicated and secure sections to piles, according to manufacturer’s recommendations.

D. Install pier, gangway and floating dock, including all pertinent ADA requirements. Ensure transition plates are functional to withstand all ordinary water elevation changes.

E. Protect dock and accessories from damage. Repair and patch defective areas.

F. The floating dock system shall move freely during the entire cycle of water level and seasonal conditions.

ROSS POINT RECREATION SITE IMPROVEMENTS 355113 - 7

END OF SECTION 355113

C. Project will be constructed under a single prime contract.

C. Terminology: In Divisions 2 through 32 specification sections, all references to “Owner” shall be replaced with the term “Government” or “Contracting Officer” (when referring to the person acting for the Government). All references to “Architect” ...