B-53468 Request for Quote - Updated.docx

State of Illinois Department of Human Services Alton Mental Health Center Request for Quote

27-444DHS-MENTH-B-53468

DMH Small Purchase AMHC Landscaping Bid Specifications Site Preparation, Topsoil Placement, and Sod Installation

1. Project Description The Contractor shall provide all labor, materials, equipment, supervision, transportation, and incidentals necessary to prepare, grade, and establish a healthy turf grass lawn on the property described below.

Project Location: Alton MHC, 4500 College Ave., Alton, IL 62002, Willow Building Approximate Square Footage: 15,100 The existing site contains a significant amount of aggregate rock and gravel intermixed with the native soil. The intent of this project is to establish a durable lawn area by preparing the site, installing a separation barrier, importing topsoil, and installing sod.

2. Mandatory Pre-Bid Site Visit A mandatory pre-bid site visit shall be conducted.

Contractors are responsible for:

· Measuring the project area.

· Inspecting existing site conditions.

· Verifying access for equipment.

· Evaluating drainage conditions.

· Determining quantities of materials required.

· Identifying any obstacles, utilities, or conditions that may affect the work.

Submission of a bid shall constitute acknowledgment that the Contractor has inspected the site and understands all conditions affecting the work.

3. Scope of Work A. Existing Site Preparation The Contractor shall:

1. Remove all debris, trash, vegetation, roots, and unsuitable materials from the work area.

1. Remove protruding rocks, aggregate, and other materials larger than 2 inches in diameter that may interfere with final grading or sod establishment.

1. Rough grade the site to establish positive drainage away from structures and prevent standing water.

1. Compact or stabilize soft areas as necessary to support the finished lawn surface.

B. Separation Fabric

1. Furnish and install a commercial-grade 8oz extra heavy duty non-woven geotextile separation fabric over the prepared subgrade and secure.

1. Fabric shall be designed to separate existing aggregate materials from the imported topsoil layer while allowing water infiltration.

1. Adjacent fabric sections shall overlap a minimum of 12 inches.

1. Fabric shall be secured as necessary to prevent movement during topsoil placement.

Approved equals may be submitted with the bid.

C. Imported Topsoil

1. Furnish and place a minimum of four (4) inches of screened, fertile premium topsoil or soil compost blend over the geotextile fabric.

1. Topsoil shall be free of:

· Construction debris

· Aggregate rock

· Clay lumps

· Weeds

· Roots

· Foreign materials

1. Topsoil shall meet the following minimum requirements:

· Suitable organic matter content for turf establishment

· Well-draining texture

1. Contractor shall provide documentation identifying the source of the topsoil upon request.

D. Final Grading

1. Final grade shall be smooth, uniform, and free of depressions, ridges, or standing water.

1. Finished surface shall maintain positive drainage.

1. Surface shall be lightly compacted and prepared for sod installation.

1. Contractor shall verify final elevations prior to sod placement.

E. Soil Amendment and Fertilization Prior to sod installation, Contractor shall:

1. Apply a starter fertilizer recommended for new sod installation.

1. Incorporate amendments as recommended by soil conditions and manufacturer recommendations.

1. Include all fertilizer and amendment costs within the bid.

F. Sod Installation

1. Furnish and install premium-quality sod suitable for Southern Illinois conditions.

Acceptable turf varieties include:

· Kentucky Bluegrass Blend

· Turf-Type Tall Fescue Blend

· Equivalent approved turf variety

1. Sod shall:

· Be free of weeds, disease, and insects.

· Be installed within 24-48 hours after harvesting.

1. Sod shall be:

· Installed in a staggered pattern.

· Rolled to ensure root-to-soil contact.

· Cut neatly around all obstacles and edges.

G. Watering and Establishment

1. Immediately after installation, Contractor shall thoroughly water all sod.

1. Contractor shall provide written watering and maintenance instructions.

1. Contractor shall maintain sod for a minimum establishment period of 14 days following installation.

4. Drainage Requirements The Contractor shall identify and address any drainage concerns observed during construction.

If areas of poor drainage, ponding, or erosion are discovered, the Contractor shall notify the Owner before proceeding with corrective work.

5. Warranty Contractor shall provide a minimum one-year warranty on:

· Sod survival

· Workmanship

· Grading defects

· Settlement caused by improper installation Any dead or failing sod resulting from improper installation shall be replaced at no additional cost.

6. Cleanup Contractor shall:

· Remove excess materials.

· Remove equipment and debris.

· Repair any damage caused by construction activities.

· Leave the site in a clean and finished condition.

7. Bid Submission Requirements Bid shall include:

1. Total project cost.

1. Estimated start date.

1. Estimated completion date.

1. Description of geotextile fabric proposed.

1. Source of topsoil.

1. Type of sod proposed.

1. Warranty period.

8. Measurement and Payment Payment shall be based upon complete performance of all work described herein, including all labor, materials, equipment, grading, geotextile fabric, topsoil, fertilizer, sod, cleanup, and incidentals necessary to provide a complete and operational finished lawn.