Div90.pdf

Lower Rio Grande Flood Control Project Rehabilitation of Lateral A to Donna Pump Levee and Retamal Dike Reach Hidalgo County, Texas

DIVISION 90-

USIBWC Contract No.: IBM09B0009 MISCELLANEOUS

US INTERNATIONAL BOUNDARY & WATER COMMISSION

GOVERNING TECHNICAL SPECIFICATIONS AND PROVISIONS

DIVISION 90 – MISCELLANEOUS

DIVISION 90-

USIBWC Contract No.: IBM09B0009 MISCELLANEOUS

This Page Intentionally Blank

HEAVY DUTY VEHICULAR GATE

USIBWC Contract No.: IBM09B0009 Page 90.79.00 - 1

SPECIFICATION 90 10 00

POST AND CABLE FENCE

This specification includes requirements for the installation, repair or removal of post and cable fence within the work area, and includes the following:

1.0 General

2.0 Materials & Equipment

3.0 Construction Methods

4.0 Measurement and Payment

PART 1 - GENERAL

1.1 RELATED DOCUMENTS, CONTRACT CLAUSES, & SPECIFICATIONS

The following may not include all related documents, contract clauses, & technical specifications, and does not relieve the Contractor of the responsibility of performing work associated with this specification in accordance with all terms of the Contract herein.

A. Related documents: As described in paragraph 1.2 of SPECIFICATION 01 01 00.

B. Contract: Section I, 52.236-21“Specifications and Drawings for Construction”

C. Technical Specifications:

• SPECIFICATION 60 21 00, “Hydraulic Cement Concrete”

D. References:

• American Society of Testing and Materials (ASTM) 153 Standard Specification for Zinc Coating (Hot-Dip) on Iron and Steel Hardware

• ASTM A475-03 Standard Specification for Zinc-Coated Steel Wire Strand

• Texas Department of Transportation Department Material Specification (DMS)-7200 “Timber Posts and Blocks for Metal Beam Guard Fence.”

1.2 GENERAL

In general, the contractor shall install, repair, or remove post and cable fence, including reflectors and related items as shown on the plans. The workmanship shall be as prescribed by these specifications, in conformity with the details shown on the plans and compliance-confirmed by the COR.

PART 2 – MATERIALS & EQUIPMENT

2.1 MATERIALS

Furnish materials as follows, unless otherwise shown on the plans.

A. Posts. Furnish timber posts meeting DMS-7200, “Timber Posts and Blocks for Metal Beam Guard Fence.”

B. Cable. Furnish wire cable meeting ASTM A 475 and the following requirements:

USIBWC Contract No.: IBM09B0009 Page 90.79.00 - 2

• 3/8 in. nominal strand diameter,

• 7-wire strand, common grade,

• minimum breaking strength of 4,000 lb., and

• 0.30 oz. per square foot minimum weight of zinc coating.

C. Fittings and Anchors. Furnish fittings and anchors galvanized in accordance with ASTM A 153.

D. Concrete. Furnish concrete meeting Item 60 21 00, “Hydraulic Cement Concrete,” of the class shown on the plans.

E. Reflectors. Furnish reflectors as shown on the plans.

F. Backfill. Furnish backfill material as approved.

PART 3 – CONSTRUCTION METHODS

A. Removal. Remove concrete anchors, posts, and cable. Backfill and thoroughly compact post and anchor holes. Materials removed become the property of the Contractor, unless otherwise shown on the plans. Dispose of removed materials in accordance with federal, state, and local regulations.

B. Installation. Place new anchors, posts, and cable as shown on plans. Set posts on firm foundation and plumb to the required lines and grades. Thoroughly compact backfill in 4 in. layers. Space pull posts as shown on the plans. Lengthen or shorten one pull post space per continuous section if necessary to accommodate site conditions. Cover or fill open holes at the end of each workday.

Existing installations may maintain their current pull post spacing if approved. Straighten undamaged posts that are more than 1 in. out of plumb. Stretch cable to remove sag between posts. One cable splice will be allowed between posts, adjacent to the post, but not more than 2 splices in any 100 ft. of cable. Painting is not required, unless otherwise shown on the plans

PART 4 – MEASUREMENT AND PAYMENT

4.1 MEASUREMENT

This item will be measured as follows:

A. Post and Cable Fence Removal. By the foot from center to center of pull posts.

B. Concrete Anchor Removal. By each anchor removed.

C. New Installation of Post and Cable Fence. By the foot of fence from center to center of pull posts for each continuous section installed.

D. New Concrete Anchor. By each anchor installed.

E. Removal and Replacement of Posts. By each post removed and replaced.

F. Removal and Replacement of Concrete Anchors. By each anchor removed and replaced.

G. Removal and Replacement of Cable. By the foot of cable removed and replaced.

4.2 PAYMENT

The work performed and the materials furnished in accordance with this Item and measured as

USIBWC Contract No.: IBM09B0009 Page 90.79.00 - 3 provided under “Measurement” will be paid for at the unit price bid for “Post and Cable Fence (Removal),” “Post and Cable Fence (Remove Concrete Anchor) ,” “Post and Cable Fence (Install),” “Post and Cable Fence (New Concrete Anchor),” “Post and Cable Fence (Remove and Replace Posts),” “Post and Cable Fence (Remove and Replace Concrete Anchors),” or “Post and Cable Fence (Remove and Replace Cable).” This price is full compensation for cable splices, straightening posts, tightening cable, backfilling posts and anchor holes, installation of reflectors, materials, equipment, labor, tools, and incidentals.

- END OF SPECIFICATION -

USIBWC Contract No.: IBM09B0009 Page 90.79.00 - 4

USIBWC Contract No.: IBM09B0009 Page 90.79.00 - 1

SPECIFICATION 90 79 00

This specification includes requirements for the installation and construction of heavy duty vehicular gates within the work area, and includes the following:

1.0 General

2.0 Materials & Equipment

3.0 Construction Methods

4.0 Measurement and Payment

PART 1 - GENERAL

1.1 RELATED DOCUMENTS, CONTRACT CLAUSES, & SPECIFICATIONS

The following may not include all related documents, contract clauses, & technical specifications, and does not relieve the Contractor of the responsibility of performing work associated with this specification in accordance with all terms of the Contract herein.

A. Related documents: As described in paragraph 1.2 of SPECIFICATION 01 01 00.

B. Contract: Section I, 52.236-21“Specifications and Drawings for Construction”

C. Technical Specifications:

• SPECIFICATION 60 21 00, “Hydraulic Cement Concrete”

• SPECIFICATION 60 40 00, “Reinforcing Steel”

• SPECIFICATION 60 46 00, “Cleaning and Painting Steel”

D. References:

• DMS-8100 Structural Steel Paints – Formula, August 2004

1.2 GENERAL

In general, the Contractor shall furnish and install heavy duty vehicular gates at the locations shown in the plans.

PART 2 – MATERIALS & EQUIPMENT

2.1 MATERIALS

The Contractor shall use materials that conform to plan’s requirements and the following specifications:

A. Backfill concrete: Class A concrete in accordance with specification 60 21 00, “Hydraulic Cement Concrete”.

B. Painting Materials: In accordance with specification 60 46 00, “Cleaning and Painting Steel”.

C. Structural Steel: As called out on drawings.

D. Reinforcing Steel: As called out on drawings and in accordance with specification 60 40 00, USIBWC Contract No.: IBM09B0009 Page 90.79.00 - 2

“Reinforcing Steel”.

2.2 FABRICATION

A. Fabricate all components and elements following the standards, tolerances and guidelines noted in the contract drawings.

B. All welding to be performed by a certified welder in accordance with AWS standards and guidelines.

C. Tighten all bolts to torque specifications determined by the manufacturer and Engineer of record.

D. Gates shall be painted in accordance with System II as defined in Specification 60 46 00, “Cleaning and Painting Steel”. The appearance coat shall be Safety Yellow meeting DMS-8100.

E. All gates shall have a minimum clear opening of twelve (12) feet and will be such that they can easily be opened or closed by one individual.

PART 3 – CONSTRUCTION METHODS

The Contractor shall construct gates in accordance with details, alignment, and grade designated on the Contract Drawings.

3.1 EXAMINATION

A. Do not begin installation until foundations have been properly prepared.

B. If foundation preparation is the responsibility of another installer, notify COR of any unsatisfactory preparation before proceeding.

3.2 PREPARATION

A. Clean surfaces thoroughly prior to installation.

B. Prepare surfaces using the methods recommended by the manufacturer for achieving the best result for the substrate under the project conditions.

3.3 INSTALLATION

The location of gates shall be as indicated in Contract Drawings; adjustments in location may be made at the direction of the COR. As a general rule, all gates shall be located a sufficient distance back from any ramp-off or roadway to permit a vehicle to park on level ground while opening and closing the gate.

3.4 PROTECTION

A. Protect installed products until completion of project.

B. Touch-up, repair or replace damaged products before Substantial Completion.

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PART 4 – MEASUREMENT AND PAYMENT

4.1 MEASUREMENT

The Work performed under this Specification will be measured as each vehicular gate complete in place.

This is a plans quantity measurement Specification. The quantity to be paid for is the quantity shown in the proposal except as modified by Contract Provisions.

4.2 PAYMENT

The work performed and materials furnished in accordance with this Specification and measured as provided under “Measurement” will be paid for at the unit price bid for “Vehicular Gate.” This price will be full compensation for providing heavy duty vehicular gates and posts, furnishing, preparing, and placing concrete, constructing foundation, and all other materials required in the finished gates; removal and disposal of salvageable materials; hardware, paint and painting of metal components, concrete finishes, galvanizing, equipment, labor, tools, and incidentals.

- END OF SPECIFICATION -

USIBWC Contract No.: IBM09B0009 Page 90.79.00 - 4