Attachment_1_-_SOW_SLV_Parking_Lot_Resurface.docx

DIVISION 1 – GENERAL REQUIREMENTS

1.1 GENERAL

1.1.1 The Requirement

It is required that there be constructed and completed, in accordance with the attached General Provisions, Special Provisions, Labor Standards Provisions, and this Request for Quotations, Parking Lot Seal Coat for the Alamosa Field Division.

1.1.2 Description of the Work

The principal components of the work to be performed under this Request for Quotations include the following:

a. Patch asphalt areas and fill cracks where needed.

b. Apply pavement sealer public parking lot - approximately 2800 square yards

1.2 MATERIALS

1.2.1 Materials to be Furnished by the Contractor

General – The Contractor shall furnish all materials required for completion of the work.

The words “material” or “materials” as used in these specifications to denote items furnished by the Contractor shall be construed to mean equipment, machinery, product, component, or any other item required to be incorporated in the work.

1.2.2 MATERIALS AND WORKMANSHIP

a. Materials – In accordance with clause entitled “Material and Workmanship,” all materials furnished by the Contractor shall be new and of the most suitable grade for the purpose intended considering strength, ductility, durability, and best engineered practice.

b. Workmanship – The Contractor shall be responsible for the accurate manufacture and fabrication of materials in accordance with the best modern practice and requirements of these specifications, notwithstanding minor errors or omissions therein.

1.2.3 The materials for pavement sealer immediately prior to mixing shall conform to the following requirements.

PAVEMENT SEALER

Pavement sealer shall be a mineral filled asphalt emulsion pavement sealer fortified with special surfactants to promote superior adhesion and durability. Select aggregate shall be job-mixed to produce a slip-resistant coating. Pavement sealer shall be a deep, rich black color and shall conform to the following requirements:

Chemical and Physical Analysis

1.2.5 AGGREGATE

Aggregate shall consist of approved mineral filler

1.3 LOCAL CONDITIONS

1.3.1 Electric Power for Construction Purposes

Electric power is available in the existing office building and the Contractor will be able to use the power at no additional cost. Any means of conveying power to actual areas of work, such as extension cords or adapters shall be provided by the Contractor.

1.3.2 Water for Construction Purposes

a. General – Water for construction is available at the site. The Contractor will be able to use it for construction purposes at no additional cost. Any means of conveying the water to actual areas of use, shall be provided by the contractor.

b. Water shall be potable, free of harmful soluble salts and shall be of such quality that the asphalt will not separate from the emulsion before the pavement sealer is in place in the work

1.4 SAFETY

Roads subject to interference by the work shall be kept open or suitable temporary passages through the work shall be provided and maintained by the Contractor. The Contractor shall provide, erect, and maintain all necessary barricades, suitable and sufficient flasher lights, flagmen, danger signals, and signs, and shall take all necessary precautions for the protection of the work and the safety of the public. If directed, the Contractor shall erect such additional warning and directional signs in connection with the work as may be required by the Government.

1.4.1 Submission of Material Safety Data Sheets for Hazardous Materials

The Contractor shall submit a completed Material Safety Data Sheet (MSDS) for each hazardous material used by the Contractor. The information in this MSDS shall be followed to assure safe use, handling, storage, and an environmentally acceptable disposal of the commodity used on the Bureau jobsite or by Bureau activities.

1.5 CLEANUP AND DISPOSAL OF WASTE MATERIALS

a. General – The Contractor shall be responsible for the cleanup and disposal of waste materials and rubbish. The disposal of waste materials and rubbish shall be in accordance with applicable requirements of “Reclamation’s Safety and Health Standards.”

b. Cleanup – The Contractor shall keep work and storage areas free from accumulations of waste materials and rubbish, and, prior to completion of the work, shall remove all rubbish, unused materials, and other like materials, which are not a part of the permanent work.

DIVISION 2 - PARKING AREA RESURFACING

2.1 GENERAL

Surface shall be clean and free from all loose material and dirt. Existing cracks shall be cleaned of any foreign material before applying crack fillers. Pavement surface repairs shall be made with a Colorado Department of Transportation (CDOT) approved hot mix asphalt material. Cracks shall be filled with hot pour crack fillers. Suggested products to treat all grease, oil and gasoline spots or stains are: SealMaster Petro Seal, Prep Seal, or other approved treatment products. Both surface and ambient temperature shall be a minimum of 50 degrees Fahrenheit in a 24 hour period following application.

2.2 METHODS

Pavement Sealer shall be applied by either pressurized spray application equipment or self-propelled squeegee equipment. Pressurized spray equipment shall be capable of spraying pavement sealer with sand added. Equipment shall have continuous agitation or mixing capabilities to maintain homogeneous consistency of pavement sealer mixture throughout the application process. Self-propelled squeegee equipment shall have at least two squeegee or brush devices (one behind the other) to assure adequate distribution and penetration of sealer into bituminous pavement. Hand squeegees and brushes shall be acceptable in areas were practicality prohibits the use of mechanized equipment.

2.3 MIXING

Pavement sealer shall be mixed in accordance with the following mix design (based on 100 gallons for ease of calculation):

Pavement sealer shall be properly mixed at a rate of .11 to .13 gallon per square yard, per coat.

The Contractor shall not discharge unused liquid asphalt into roadway ditches, borrow pits, or gutters. The Contractor shall not apply liquid asphalt when the surface to be treated is appreciably damp or when weather is unsuitable. Liquid asphalt shall be heated in a retort or by steam coil in such a manner that steam will not be introduced directly into the liquid asphalt during heating.

a. Sampling, Certification, and Testing. - All testing and sampling required shall be handled by the Contractor. This work shall meet the requirements of the latest edition of the Colorado Standard Specifications, Section 106 (Control of Material).

DIVISION 3 – PERIOD OF PERFORMANCE AND DELIVERY

3.1 Period of Performance

Period of performance for this procurement shall start work by 9/15/2023 and shall be completed with work no later than 11/1/2023. If any delays would extend this past the period of performance the Government shall be notified within 24 hours to make appropriate changes.

3.2 Delivery and Setup

It shall be the responsibity of the vendor to arrange for mobilization or shipping of any products needed to the Alamosa Field Division located at 10900 Hwy. 160 E. Alamosa, CO 81101-9518. Alamosa Field Division will accommodate the shipping company needs for loading and unloading during normal business hours of Monday thru Thursday 7:00am – 5:30pm Except for Government Holidays. (Special arrangements can be made on Friday if given 24hrs notice) Include all costs for shipping (to and from), setup, and orientation for Alamosa Field Division/Reclamation’s personnel.

Susan Storm, Facility Manager Bureau of Reclamation

Vendor will provide in written instructions on proper care and service requirements for maintenance according to best industry practices.