Attachment-002-ProjectSpecifications.pdf
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- Packard Creek Boat Dock Repair
- Solicitation number
- AG-04R4-S-10-0032
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SECTION 01019 – CONTRACT CONSIDERATIONS
PART 1 - GENERAL
1.1 PERMITS AND FEES
A. U.S. Army Corps of Engineers and Oregon Division of State Lands Permits
1. Government has secured all necessary Corp of Engineers and Oregon Division of State Lands permits.
Contractor shall comply with the requirements of the following permits. Forest Service shall furnish to the Contractor, copies of the permit after contract has been awarded.
1.2 QUALITY CONTROL
A. The floating dock shall be constructed and installed in accordance with the most recent edition of the “Layout and Design Guidelines For Recreational Boating Facilities”, published by the Oregon State Marine Board (OSMB). In the event of any discrepancies between the OSMB guidelines and these Specifications, the OSMB guidelines shall govern.
B. As required in the specifications, submit one copy of catalog cuts and/or technical data for all proposed products and/or materials, to the CO for approval prior to purchase and /or installation.
C. Include sufficient details on brand names, performance and intended location of use (see Section C-4 of the Solicitation).
1.3 CONSTRUCTION LAYOUT AND STAKING
A. The Contractor shall perform all construction staking necessary to complete the project, and shall be approved by the
CO.
1.4 PROJECT WORK SCHEDULE
A. The Packard Creek Boating Facility may be closed for up to two weeks during construction operations. It is expected that the boat dock sections will be constructed off site and lifted into place once the site preparation work is completed.
1.5 PROJECT COMPLETION
A. Upon completion of the work, clean up and remove from the Forest Service’s property all refuse and unused materials of any kind resulting from the work.
B. Provide the following closeout documents:
1. A written request for final inspection.
2. A clean set of drawings marked, showing all deviations from the planned construction (As-Builts) and representing a complete record of the actual location of all completed work.
3. Contractor’s Application for Payment Form, Final Payment Request and Contractors Release of Liens & Claims Form.
PART 2 – PRODUCTS (NOT USED)
PART 3 – EXECUTION (NOT USED)
PART 4 – MEASUREMENT AND PAYMENT (NOT USED)
END OF SECTION
AG-04R4-S-10-0032
Packard Creek Boat Dock Middle Fork RD Willamette NF
SECTION 01100 – SPECIAL PROJECT PROCEDURES
1.1 SPECIAL PROJECT REQUIREMENTS
A. All work items must be completed within the 90-day Contract period. On-site work shall be scheduled between
October 2010 and February, 2011 to take advantage of the low water level season in the reservoir.
B. Contractor is advised that this is a public recreation facility and construction activities shall be limited to hours between 0800 am and 0600 pm, Monday through Friday, excluding federal holidays, unless other hours are approved in writing by the CO. Also, construction activity must be limited as not to interfere with the public’s right to free navigation on all navigable waters of the United States.
C. Before beginning construction the Contractor shall provide for approval a written safety plan for working in (if applicable) and adjacent to larger bodies of water. The plan must meet Federal, state, and local regulations.
D. Before beginning construction the Contractor shall provide for approval a written spill prevention plan addressing hazardous material. The plan must meet all Federal, State and local regulations.
E. All construction debris shall be disposed of legally off Government property.
F. Care shall be taken to prevent any petroleum products, chemical, or other deleterious material from entering the water.
G. All areas along the bank, disturbed or newly created by the construction activity, shall be restored to its original condition.
H. Work in the waterway, if needed, shall be done so as to minimize turbidity increases in the water that tends to degrade water quality and damage aquatic life.
I. Turbidity levels shall not exceed the Permit Requirements (if applicable).
J. The Forest Service will designate an area for staging construction materials and equipment, and an area for temporary stockpiling of excess excavated material, in the campground within ½ mile of the project site. All construction material stored on the construction site shall be protected and preserved by the Contractor.
K. An In-water Isolation Plan, if needed, for removing and placing of piles must be submitted for approval and comply with the Department of State Lands regulations.
PART 2 – PRODUCTS (NOT USED)
PART 3 – EXECUTION (NOT USED)
PART 4 – MEASUREMENT AND PAYMENT (NOT USED)
SECTION 01200 – MOBILIZATION
1.1 SUMMARY
A. This work shall consist of preparatory work and operations necessary for the movement of personnel, equipment, supplies, and incidentals to the project site, and for all other work and operations that must be performed or that cause costs to be incurred prior to beginning work on the various items on the project site.
PART 2 – PRODUCTS (NOT USED)
PART 3 – EXECUTION (NOT USED)
PART 4 – MEASUREMENT AND PAYMENT
4.1 PROGRESS PAYMENTS WILL BE MADE AS FOLLOWS:
A. When 5 percent or more of the original contract is earned from other pay items, 50 percent of the amount for mobilization, or 5 percent of the original contract amount, whichever is less, will be paid.
B. When 10 percent or more of the original contract is earned from other pay items, 100 percent of the amount for mobilization, or 10 percent of the original contract amount, whichever is less, will be paid.
C. Upon completion of all work on the project, any unpaid amount for mobilization will be paid.
D. The total of all payments shall not exceed the original contract amount for this item.
4.2 BASIS OF PAYMENT
A. Payment will be made under:
01200-1 Mobilization Lump Sum
PAY ITEM DESCRIPTION PAY ITEM
SECTION 02100 – SITEWORK
1.1 DESCRIPTION OF WORK
A. This item shall include the clearing and grubbing of the construction area to the extent necessary for the Contractor to perform his work, and all work described below.
B. Carefully maintain benchmarks, monuments, and other reference points as applicable; if disturbed or destroyed, replace as directed by the Contracting Officer.
C. Provide all protection, safety barricades, erosion control, and other devices necessary for construction operations.
D. Perform all work of this Contract in compliance with Oregon Occupational Safety and Health Administration (OSHA) guidelines.
E. A site visit is encouraged prior to bidding this project to become more familiar with the existing boat dock structure and general site characteristics. The following photo shows the existing boat dock, gabion baskets, site contours, etc.:
PART 2 - MATERIALS
2.1 GABION BASKETS
A. Gabion Basket shall be 3ft X 3ft X 6ft with two equal cells with the capacity to hold 1 cubic yard of material.
B. Basket Mesh shall be twisted or welded wire from galvanized steel conforming to ASTM A 641, class 3 or aluminized steel wire conforming to ASTM A809. Use wire with a minimum tensile strength of 60 ksi when tested according to
AG-04R4-S-10-0032
Packard Creek Boat Dock
AASHTO T 244. The galvanized or aluminized coating may be applied after mesh fabrication. Make mesh openings with a maximum dimension on size less than the gabion basket rock to be used with the mesh.
C. Gabion Rock
1. Furnish hard, durable rock that is resistant to weathering and reasonably free of organic and spoil material.
Conform to the following.
a. Coarse durability index, AASHTO T210 52 min.
b. Unit mass of a filled basket 100 pounds per cubic foot min.
c. Gradation:
1) Maximum dimension 8 inches
2) Minimum dimension 4 inches
PART 3 - EXECUTION
3.1. GABION BASKETS
A. Construction
1. Do not damage wire coatings during basket assembly, structure erection, cell filling, or backfilling.
2. Place the empty gabion basket on compacted soil and interconnect the adjacent baskets along the top and vertical edges using permanent fasteners.
3. Where lacing wire is used, wrap the wire with alternating single and double loops every other mesh opening and not more than 6 inches apart. Where spiral binders are used, crimp the ends to secure the binders in place.
Where alternate fasteners are used, space the fasteners in every mesh opening and not more than 6 inches apart.
4. Cell Filling
a. Remove all kinks and folds in the wire mesh, and properly align all the baskets. Place rock carefully in the basket cells to prevent bulging of the baskets and to minimize voids in the rock fill. Maintain the basket alignment.
b. Place internal connecting wires in each unrestrained exterior basket cell greater than 1 foot in height. This includes interior basket cells left temporarily unrestrained. Place internal connecting wires concurrently with rock placement.
c. Fill the cells in any row or layer so that no cell is filled more than 1 foot above an adjacent cell. Repeat this process until the basket is full and the lid bears on the final rock layer.
d. Secure the lid to the sides, ends and diaphragms with permanent fasteners as described above.
B. Installation
1. Install as shown on Sheet 8 and Sheet 9 of the project drawings.
C. Inspection
1. Acceptance of Materials is based on submittal to the CO of Manufacturer’s product information stating compliance with these specifications.
2. Acceptance of Construction is based on visual inspection of the work for compliance with the contract by the COR and the prevailing industry standards.
3.2 DEMOLITION
A. Disposal material shall be hauled off site and completely removed from Government property. Disposal material is the property of the Contractor and therefore it is the sole responsibility of the Contractor. Disposal shall be in accordance with federal, state, and local laws and regulations.
PART 4 – MEASUREMENT AND PAYMENT
METHOD OF MEASUREMENT
A. Measurement will be Lump Sum Quantity for the work of this Section, completed and accepted.
AG-04R4-S-10-0032
Packard Creek Boat Dock
4.2 BASIS OF PAYMENT
A. Payment will be at the contract unit price shown on the Schedule of Items for Sitework, completed and accepted.
B. Payment will be made under:
02100-1 Sitework Lump Sum
PAY ITEM DESCRIPTION PAY UNIT
Packard Creek Boat Dock
SECTION 02362 - DRIVEN STEEL PILES
A. Work consists of furnishing and driving round steel pipe piling. This project will require only one (1) driven steel pile.
B. Work includes pile caps for the steel pile.
1.2 RELATED WORK
A. Structural Metal Framing for Wood Float System, Section 05160.
2.1 STEEL PILES
A. Steel pipe piling shall be rolled, straight seam, steel pile sections. Piling shall be 12 ¾ inch O.D. with 1/2 inch wall thickness. Steel shall conform to ASTM A252, grade 3 (45KSI), with chemical properties conforming to ASTM A 53, grade B.
B. Maximum of two splices per pile. Splices shall not be located in the mud bed or within 10 feet of the mid- point of the mud bed.
C. Splices shall be full penetration bevel welds in accordance with AWS Structural Welding Codes, including the qualifications of the welding operators.
2.2 PILE CAPS
A. Pile caps with a 60 degree conical point shall be constructed from heavy duty polyethylene with a minimum wall thickness of 1/8 inch. The color will be white unless otherwise specified. Conical caps as supplied by Henderson Marine Supply, Richmond, California, 1-800-523-1586 or approved equal.
3.1 GENERAL
A. At least two weeks prior to start of driving, submit proposed driving equipment data to the Contracting Officer (CO) for approval.
B. The heads of all piling shall be cut normal to the axis of each pile, and a driving cap of a design approved by the Engineer shall be provided to hold the axis of the pile in line with the axis of the hammer.
C. Cutoff elevation of each pile shall be as indicated on the drawings.
3.2 DRIVING
A. Piles shall be driven with a single action steam or air hammer which develops a minimum of 14,500 foot pounds of rated energy. Equivalent diesel, drop or vibrating hammer may be used, subject to approval of the CO, provided that these hammers will be able to drive specified pilings to required limits. Ram weight will not be less than a weight of pile being driven or less than 2,750 pounds whichever is greater. If the required penetration cannot be obtained with the minimum specified hammer, the Contractor shall provide a heavier hammer or resort to methods as approved by the CO to obtain the required penetration. Contractor is entitled to extra compensation for extra work per Section 02362 paragraph 3.4 Obstructions.
B. Pile driver leads shall be constructed in such a manner as to afford freedom of movement of the hammer and they shall be held in rigid position by stiff braces both top and bottom to insure support to the pile in exact position during driving.
C. Drive piles in a continuous operation.
D. Locate each pile accurately in accordance with the drawings. Drive all piles on a batter of ¾ inch per foot toward the water body.
AG-04R4-S-10-0032
Packard Creek Boat Dock
E. Pile driving records shall be kept by the Contractor's pile driving superintendent and shall include the number of blows required for each foot of penetration throughout the driving of the pile, the length of the pile driven, the location of welds, the cutoff and point elevations, and the average penetration per blow for the last 5 feet driven. The records shall include the rate and size of the hammer and the rate of operation. The Contractor will provide the pile driving record forms. The Contractor shall submit a copy of the original unaltered completed pile driving record to the CO.
F. Use of jets is prohibited except for pile removal.
G. The butts of the piles shall be protected by caps when the driving conditions are such that damage might be caused to the pile.
3.3 PILE PENETRATION
A. Piles shall be driven to a minimum 20 feet penetration below the mud bed, with a minimum blow count for each of the last five feet of 15 blows per foot of penetration.
B. In hard subsurface conditions, where the blow count exceeds 35 blows per foot, preventing the Contractor from achieving the specified penetration, the Contractor shall immediately notify the Engineer for additional pile driving instruction.
C. In soft subsurface conditions where a minimum count of 15 blows for each of the last five feet of penetration is not achieved at the specified penetration, the Contractor shall immediately notify the Engineer for additional pile driving instruction.
3.4 OBSTRUCTIONS
A. If an obstruction is encountered which prevents the Contractor from driving the pile to the minimum penetration within the specified location and alignment, the Contractor shall immediately notify the COR. If the Contractor is unable to install the pile after an additional 30 minutes of effort, then he shall be entitled to additional compensation from the Forest Service for the additional work required to complete installation of the pile.
3.5 POSITION AND TOLERANCES
A. Pile heads shall not deviate more than 1 ½ inches from location indicated on the drawings and shall not deviate more than 1/2 of one percent from the axis location shown on the drawings. Any pile, the final position of which deviates more than the limits specified, will be rejected.
B. The cutoff elevation of the piles shall be as indicated on the drawings. All cutoffs of the pilings shall become property of the Contractor and shall be disposed of by the Contractor, in a legal manner satisfactory to the Contracting Officer.
3.6 PILE CAPS
A. Install fiberglass conical pile caps on top of each pile, for appearance and to discourage birds.
B. Pile caps shall be secured with an Epoxy adhesive to pile heads.
4.1 METHOD OF MEASUREMENT
A. Measure for supplying steel pipe shall be the length of pile from the cutoff elevation to the tip elevation. Measure for driving steel pipe shall be the length of pile from the mudline to the tip elevation.
4.2 BASIS OF PAYMENT
A. Payment will be at the contract unit price for each foot of pile supplied or driven.
02362-1 Supplying Steel Piles Linear Foot
02362-2 Driving Steel Piles Linear Foot
SECTION 02390 - FLOATING DOCK
A. Work includes, but not limited to;
1. Construction of boarding floats in accordance with the specifications and as shown on the drawings.
2. Field installation of completed boarding floats. This shall include furnishing materials and labor to connect the new floating dock sections to the existing floating dock in accordance with OSMB guidelines.
3. This project will involve the construction and installation of two (2) 20-foot long boarding float sections, to be connected to the end of the existing floating dock, which measures approximately 60-feet long.
1.2 RELATED WORK
A. Structural Metal Framing for Wood Floating System, Section 05160.
B. Rough Carpentry for Wood Floating, Section 06100.
C. Specialties for Wood Boarding Floats, Section 10070.
PART 2 – MATERIALS (Not used)
3.1 BOARDING FLOATS.
A. Construct the boarding floats per specifications and the drawings.
3.2 TRANSPORT BOARDING FLOATS
A. Transport completed boarding floats to locations designated by the COR.
3.3 ASSEMBLE DOCK
A. Assemble the boarding floats, including connection to the end of the existing boat dock and each other, per the specifications to form a completed dock.
4.01 METHOD OF MEASUREMENT
A. Measurement will be for each 20-foot long floating dock section constructed, installed, approved, and accepted.
4.02 BASIS OF PAYMENT
A. Payment will be at the contract unit price for each 20-foot long floating dock section.
02390-1 Floating Dock Each
SECTION 05160 - STRUCTURAL METAL FRAMING
FOR WOOD FLOAT SYSTEMS
A. This work consists of:
1. The fabrication and installation of all structural metal and miscellaneous metals.
2. Metal hardware items, fasteners and connectors as indicated on the drawings and as specified.
1.2 RELATED WORK
A. Rough Carpentry for Wood Floats, Section 06100
B. Specialties For Wood Boarding Floats, Section 10070
1.3 SUBMITTAL
A. Submit shop drawings to the CO for approval prior to fabrication.
2.1 GENERAL
A. All metal hardware shall be ASTM A 36 steel.
B. Galvanizing - All bolts, pins, rails, angles, and other miscellaneous metals shall be hot dip galvanized after fabrication in accordance with ASTM A 123. Weight of zinc coating to conform to requirements specified under "Weight of Coating" in ASTM A 123
C. Bolts, nuts, and washers shall conform to ASTM A 307, Grade A, galvanized.
D. Steel pipe shall be schedule 40 weight.
2.2 WOOD FLOATS
A. Screws for attaching wood float deck and walers shall be Fastap Plus Exterior Screws with Duracoat, 10 x 3-1/4" DOC
#314, as manufactured by Fastap, Inc. 13909 N.W. 3rd. Court, Vancouver, Washington 98685, (206) 373-7565 or 1- 800-847-4714, FAX (206)573-7939 or approved equal.
B. Nails shall be common wire nails, size as shown or specified, and shall be hot-dip galvanized.
C. Lag screws shall be made from ASTM A 36 Steel, galvanized lengths as shown on drawings.
3.1 GENERAL
A. Field Measurements - Verify measurements in field, as required, for work fabricated to fit job conditions.
B. Installation - Provide inserts, fasteners, and cutouts as required.
C. Metal fabrications shall conform to the latest edition of AISC Specification for the Design, Fabrication and Erection of Structural Steel for Buildings.
D. Welding shall be by operators qualified by tests as prescribed by the AWS in Standard Qualification Procedure for performance of the type of work required.
E. Weld all shop connections unless noted otherwise. All welds shall be minimum 3/16 inch fillet and sealed for galvanizing.
F. Provide metal connectors at all structural joints as specified.
A. Payment under this section will be incidental to other items under this contract.
Packard Creek Boat Dock
SECTION 06100 - ROUGH CARPENTRY FOR WOOD FLOATS
1.1 DESCRIPTION OF WORK
A. This work consists of:
1. The construction and installation of all rough carpentry items as indicated on the drawings and as specified.
2. Recycled Plastics: Bull rail, bull rail blocking, and cross rails under floats shall be constructed with 100% recycled plastic lumber.
3. Recycled Wood-Plastic Composites: Decking and top waler shall be constructed of 100% recycled wood-plastic composite lumber.
1.2 DELIVERY, STORAGE AND HANDLING
A. Protection - Lumber and millwork shall be protected from damage and dampness during and after delivery to the site.
1.3 RELATED WORK
A. Structural Metal Framing for Wood Floats, Section 05160
B. Specialties for Wood Boarding Floats, Section 10070
PART 2 – MATERIALS
2.1 GENERAL
A. WCLIB Requirements - All lumber, unless otherwise noted, shall be Douglas Fir, S4S, and shall meet all requirements as noted in the "Standard Grading and Dressing Rules No.16"of the WCLIB.
B. APA Standards - Plywood shall bear the D.F.P.A. grade trademark of the APA. Softwood plywood shall be manufactured in accordance with Product Standard PS1-65; hardwood plywood shall be manufactured in accordance with Product Standard PS51-71.
C. Protection - Lumber and millwork shall be protected from damage and dampness during and after delivery to the site.
2.2 FLOATS
A. Sawn timber components shall be select structural Coastal Douglas Fir for 4" x 6" deck supports and 2"x 10" waler, pressure-treated to conform to AWPA C-2 with ACZA to a retention of 0.60 pounds per cubic foot. Remaining sawn timber components shall be No. 2 Hemlock-Fir or better (frame, cross members) as graded by WCLIB, pressure-treated to conform to AWPA C-18 with ACZA or CCA to a retention of 0.60 pound per cubic foot.
B. Plywood shall be Grade CDX Exterior, pressure-treated to conform to AWPA C-9 with ACZA or CCA to a retention of 0.60 pounds per cubic foot.
C. Incise wood members prior to treatment, all four sides.
D. Recycled plastic lumber used for all bull rails, bull rail blocking, and cross rails under floats shall be manufactured from a 100% plastic blended mix of high density polyethylene (HDPE) and other plastics, color brown, as manufactured by RESCO Plastics, Inc., Coos Bay, OR (541) 269-5485, BTW Industries, Inc., Hollywood, Florida,
(888) 685-7570, or Marine Plastic Lumber, Olympia, WA (360) 956-3422 or approval equal.
E. Recycled wood-plastic composite lumber used for all decking and the top waler shall be manufactured from a 100% recycled-content, wood-plastic composite. Composite shall be 48% recycled plastic and 52% waste wood fiber. Plastic content shall be a mixture of high-density and low-density polyethylene. Wood fiber shall be red cedar chips.
Composite lumber shall be "ChoiceDek Classic" 2" x 6" grooved decking board as manufactured by Advanced Environmental Recycling Technologies, Springdale, Arkansas (800) 951-5117 or approval equal.
F. Fasten 2" x 10" and 2" x 6" waler to frame with Fastap Plus 10 x 3-1/4" #DOC 314 screws. Use 2 rows of screws each piece, 24" spacing top and bottom, locate first two screws 1' from end of 20’ float section.
G. Fasten plywood to float frame with 8d galvanized box nails, with 6" spacing at all supports.
H. Install 2" x 10" and 2" x 6" walers across 6' width of float, each end.
Packard Creek Boat Dock
3.1 FLOATS
A. Handle lumber and treat penetration damage in accordance with AWPA M4. Field cuts and holes shall be field treated in accordance with AWPA Standard M4.
B. Provide flat washers under all heads and nuts bearing on wood.
C. Install all decking with 1/8" spacing between deck boards.
D. Deck screws to be driven to 1/8" below the deck surface. Countersinking of screw heads is required, prior to insertion of deck screws, in the walking surface of the deck. Use two screws per 2" x 6" deck at each framing member. See Section 05160 for deck screw requirements.
E. Bull rail shall be installed along each side of each float section as shown on the drawings. Install six foot length of bull rail across the end of the off-shore float. Radius all four edges and ends of bull rail and bull rail blocking 1/2" minimum.
F. Frame, decking and 4" x 6" deck supports shall be continuous length. No splices shall be permitted.
G. Lag screws for bull rail connection shall have flat washers, and shall be countersunk to be flush with the top surface of rail.
Packard Creek Boat Dock
SECTION 10070 -SPECIALTIES FOR WOOD BOARDING FLOATS
A. This work consists of furnishing, installation, and construction of specialty items as indicated on the drawings and as specified. These specialty items include:
1. Reinforced Neoprene Belting.
2. Expanded Polystyrene Flotation.
3. Bumpers.
4. Ultra-High-Molecular-Weight (UHMW) Polyethylene Rollers.
5. Recycled Plastic Lumber, see Section 06100, Rough Carpentry for Wood Floats.
1.2 SUBMITTALS
A. The Contractor shall submit, for approval by the CO, all items that are intended to be used in the construction of this project.
1.3 RELATED WORK
A. Structural Metal Framing for Wood Floats, Section 05160
B. Rough Carpentry for Wood Floats, Section 06100
2.1 WOOD BOARDING FLOATS
A. Belting shall be placed over all joints between boarding floats. Belting shall be #3LC 330 1/32 x BB, available from
Hoffmeyer Company, phone (503) 682-3555, 9675 SW Commerce Circle, Wilsonville, OR 97070 or approved equal.
B. Flotation units for wood floats shall be molded expanded polystyrene, size as shown on the drawings. Water absorption of flotation units shall be less than two percent (2%) by volume in accordance with ASTM C-272.
C. Bumpers shall be Medium Dock & Post Bumper, Model DB3.01, one continuous piece the entire length of the float.
Bumpers shall be ordered to lengths required and have factory finished ends. Product is available from Taylor Made Products, 65 Harrison St. Gloversville, NY 12078, (518) 773-9400 or approved equal.
D. Rollers for the pile hoops shall be Ultra-High-Molecular-Weight (UHMW) polyethylene, with stainless steel axies, bolts, and nuts, as shown on the drawings.
3.1 WOOD BOARDING FLOATS
A. Attach belting with #8 x 1-1/2" flat head galvanized wood screws 6" O.C., fasten to only one float at each joint. Trim and fit the belting so it will lay flat on deck and not ride up on the bull rail blocking.
B. Polystyrene flotation units shall be furnished in the sizes shown on the drawings. Use of smaller pieces to provide equivalent amount of flotation shall not be allowed. Position polystyrene flotation units inside float frame as shown on drawings.
C. Install top of bumper along both sides of float flush with top of deck surface as shown on the drawings. Attach with 2 rows of screws, 6 inch spacing, four screws total every foot of length of bumper. Also install bumper across width of float at end of last float. Ends of the bumper shall be finished by the manufacturer.
D. The inside diameter (I.D.) of the UHMW rollers shall be bored out in a lathe 0.08" to 0.10" larger than the outside diameter (O.D.) of the stainless steel axle, and faced off to length perpendicular to the I.D.
Packard Creek Boat Dock
| C. Gabion Rock |
| 1. Furnish hard, durable rock that is resistant to weathering and reasonably free of organic and spoil material. Conform to the following. |
| a. Coarse durability index, AASHTO T210 52 min. |
| b. Unit mass of a filled basket 100 pounds per cubic foot min. |
| c. Gradation: |
| 1) Maximum dimension 8 inches |
| 2) Minimum dimension 4 inches |
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