6-26-0199 Scope of Work.pdf

26-0199 ANNUAL REQUIREMENTS CONTRACT FOR FILL MATERIALS FOR THE

PUBLIC WORKS DEPARTMENT

SCOPE OF WORK

INTENT

The purpose of this specification is to establish an annual requirements contract for the supply of various fill materials for City of Arlington – Department of Public Works. Fuel Surcharges are not allowed. All delivery fees must be added into the unit prices on delivered items only.

MATERIAL SPECIFICATIONS

1. BRICK SAND- The material is to be of fine grade, high quality and free of all foreign substances including rock, gravel, sand stones and debris. Moisture content is to be minimal.

2. TOP SOIL (Screened 3/8”) -Top soil is to be first quality, top grade sandy loam with minimal amounts of clay. Material is to be 3/8” screened and contain no rock, grass or debris. The material is utilized on yards damaged while repairing concrete infrastructure – sidewalks, curb & gutter, drive approaches and must be premium quality.

3. 3/8” PEA GRAVEL - The 3/8” pea gravel shall be washed and free of dirt and debris.

4. 18”- 24” GABION ROCK - large, crushed limestone rock to be used for Stormwater Maintenance erosion prevention and scour repair. The material is utilized for stabilizing washout areas within public drainage easement.

5. PROCESSED (SCREENED) CUSHION SAND - Processed 3/8” screened sand is utilized in the construction and repair of pavestone median and walkways. The material is to be of high quality and be consistent with industry standard for the material and the intended use. Screened sand must not contain rock, gravel, clay, sand stones or other debris.

6. SELECT FILL - Backfill that is native or imported material. The plasticity index shall be between 15-30 when tested in accordance with ASTM D4318. Material shall be of such characteristics that it shall stabilize without the use of lime or other additives and form an acceptable subgrade material. The material must be compacted to a minimum of 95% density at +/- 2% optimum moisture content as determined by ASTM D 698.

7. Crushed Concrete - Recycled concrete aggregate (RCA) product of crushing old concrete structures into smaller size pieces, processing to remove steel rebar and contaminants. Serves as a reliable material for constructing durable pavements and road bases, can be blended to assist with compaction.

SHIPMENT REJECTION

Shipments will be rejected should any delivered material not meet industry standards and the requirements of the City. It will be the responsibility of the vendor to remove any unsuitable materials and replace with quality materials, at no additional cost to the City.

DELIVERY

Material can be delivered to multiple locations within the City; to include the South Service Center, 1100 SW Green Oaks Boulevard, Arlington 76017 and the North Service Center, 801 W Main St, Arlington 76011. The exact location for each delivery will be specified at the time of order.

The City will make every attempt to place only full truckload orders. A delivery ticket showing date and location of delivery must be submitted with the invoice. Delivery ticket must show the Purchase Order number provided at the time of order. Deliveries will take place between 8:00 a.m. and 5:00 p.m., Monday through Friday, and must be signed for by authorized City personnel.

PRODUCT INSPECTION

Vendors are encouraged to visit the city stockpile at 1100 SW Green Oaks Boulevard to inspect the materials currently being used by the city. The material currently in use is the quality and type of material desired and expected under these specifications.

LEGAL REQUIREMENTS

All transport vehicles must be operated in a legal manner and must conform to all Ordinances Governing Traffic and Motor Vehicles in the City of Arlington, Texas, Traffic Chapter. In addition, vendors must comply with all state regulations including but not limited to Vernon’s Texas civil Statutes Motor Carrier Act.

A synopsis of the requirements follows. However, it is not the intent or meaning to imply that these are the only requirements:

A. Excerpt from City of Arlington Traffic Ordinances: “No motor vehicle or combination of vehicles shall be operated or caused or permitted to be operated having a weight in excess of any one or more of the following limitations:

1. In no event shall the total gross weight, with load, or any vehicle or combination of vehicles, exceed eighty thousand pounds (80,000 lbs.).

2. No axle shall carry a load in excess of twenty thousand pounds (20,000 lbs.). An axle load shall be defined as the total load transmitted to the road by all wheels whose centers may be included between two (2) parallel transverse vertical planes forty inches (40”) apart, extending across the full width of the vehicle.

3. The total gross weight concentrated on the highway surface from any tandem-axle group shall not exceed thirty-four thousand pounds (34,000 lbs.) for each such tandem-axle group. ‘Tandem-axle’ is defined as to be two (2) or more axles spaced forty inches (40”) or more apart from center to center having at least one (1) common point of weight suspension.”