590 SECTION 655 MATTING FOR EROSION CONTROL
655.1 -DESCRIPTION : This work shall consist of furnishing and placing erosion control matting in accordance with these specifications and at the locations shown on the plans or designated by the Engineer.
655.2 -MATERIALS : The matting shall meet the requirements specified in subsection 715.24. Devices used to anchor the mat shall be as recommended by the manufacturer of the matting and be of sufficient strength and size to secure the mat until it is anchored by vegetation, siltation, etc.
CONSTRUCTION METHODS
655.3 -PLACING : The area to be covered shall be prepared as a fine seedbed, fertilized and seeded before the matting is applied. The erosion control mat shall be placed and anchored in accordance with the recommendations of the manufacturer of the matting. The mat shall be adequately watered to firmly bond the mat to the soil and aid in the germination of the seed.
655.4 -MAINTENANCE AND REPAIRS : The Contractor shall maintain th e areas upon which the matting is placed until all work on the Contract has been completed and accepted. Maintenance shall include the repair of areas damaged by erosion, wind, fire, or other causes. Repair may include reestablishing the condition and gra de of the soil, replacement of the matting, and refertilizing and reseeding in accordance with the applicable portions of Section 652.
655.5 -METHOD OF MEASUREMENT : The quantity of work done will be measured by the square yard of matting placed. Measurements will be made on the surface of the matting exclusive of laps and material that may have been p laced in slots.
655.6 -BASIS OF PAYMENT : The quantities, determined as provided above, will be paid for at the contract unit prices bid for the items listed below, which prices and payments shall be full compensation for furnishing all the materials and doing all the work prescribed in a workmanlike and acceptable manner, including all labor, tools, equipment, supplies, and incidentals necessary to complete the work.
655.7 -PAY ITEMS : ITEM DESCRIPTION UNIT 655001 -* Matting Square Yard 655002 -* Permanent Erosion Matting, Type “type” Square Yard
* Sequence number
591 SECTION 657 ROADSIDE SIGN SUPPORTS
657.1 -DESCRIPTION : This work shall consist of the fabrication and erection of all supports for roadside mounted signs in accordance with the requirements of the Plans and of these Specifications. This shall include the supports for all signs which are located outside of the shoulder and do not extend over the shoulder. All details not specified or not shown on the Plans shall conform to the details and requirements set forth in th e following specifications and publications:
Book Vol. II, Signing, Signals, Lighting, Markings, and ITS, latest issue, including revisions (further referenced to herein as the Standard Details). ii. The Manual on Uniform Traffic Control Devices for Streets and Highways, latest issue, as printed by the Federal Highway Administration, U.S. Department of Transportation. (Referred to as the MUTCD). iii. Standard Specifications for Struct ural Supports for Highway Signs, Luminaires and Traffic Signals, 6th Edition, including revisions, American Association of State Highway and Transportation Officials.
657.2 -MATERIALS : Materials furnished sha ll be of new stock, shall be the product of reputable manufacturers of signing supports and accessories, shall conform to the Specifications, and shall meet the approval of the Engineer.
657.2.1 -Beams : Steel Beams such as shown on Standard Detail sheets TE1-3A through TE1-3C shall be standard wide flange shapes fabricated from steel conforming to ASTM A36 or ASTM A572 Grade 50. Steel conforming to ASTM A992 and dual certified to ASTM A572 Grade 50 may also be used. The beams shall be galvanized in acco rdance with ASTM A123.
657.2.2 -Plates: Flat steel plates such as stiffener plates, base plates, hinge plates, arm plates, and gusset plates shown on various Standard Detail sheets shall conform to ASTM A36 and shall be galvanized in accordance to ASTM A123.
657.2.3 -Structural Connection Bolts: Steel structural connection bolts and associated hardware shown on various Standard Detail sheets shall conform to the following requirements. Bolts: ASTM F3125 Grade A325, Type I. Nuts: ASTM A563, Grade DH with lubricant contrasting with the color of the galvanizing. Washers: ASTM F436, Type I. All galvanized in accordance to ASTM F 2329.
657.2.4 -Keeper Plates: Steel keeper plates such as shown on Standard Detail sheets TE1- 3A through TE1 -3C and TE1 -5A through TE1 -5C shall conform to ASTM A653, designation CS, and shall be galvanized. Thickness for use with Steel Beam supports shall be 20 gauge. Thickness for use with Pipe Post supports shall be 28 gauge.