SCOPE_AND_CHARACTERISTICS.pdf
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- Attached to
- Concrete Materials and Delivery State and local contract opportunity
- Solicitation number
- ITB 25-080
- Issued by
- Lee County, Fort Lauderdale City, Florida
About this file
This document is a Scope of Work for concrete materials and delivery services for the City of Fort Myers Public Works Department. The specifications outline requirements for furnishing and delivering concrete materials to various locations throughout the city, with delivery expected during regular business hours (Monday through Friday, 7:00 a.m. to 3:00 p.m.). The concrete materials include Controlled Low Strength Material (CLSM) - Flowable Fill and Cement Concrete, which must meet specific FDOT specifications, be machine mixed, and delivered using front-loading concrete trucks. All orders must be placed by authorized Public Works personnel, with materials delivered on the same day or within 72 hours during business hours.
The contract includes flexible pricing terms that allow daily adjustments to reflect current market conditions, with the contractor responsible for providing timely price updates. The City reserves the right to procure materials from alternative suppliers if the contractor cannot meet delivery timelines, and consistent inability to deliver materials on time may result in contract termination. Each delivery must include a packing slip detailing materials and quantities, and alternative ordering or delivery arrangements require advance approval from the Public Works Department supervisor or superintendent. The specifications provide detailed mix design requirements for both excavatable and non-excavatable flowable fill, including precise measurements for cement, fly ash, air content, and compressive strength.
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SCOPE AND CHARACTERISTICS
These specifications outline the requirements for furnishing and delivering concrete materials to the City of Fort Myers Public Works Department. Delivery is expected during regular business hours, Monday through Friday, from 7:00 a.m. to 3:00 p.m.
WORK LOCATIONS
All work covered by these specifications will take place at various locations throughout the City of Fort Myers.
CONCRETE MATERIALS
Controlled Low Strength Material (CLSM) – Flowable Fill
General Requirements
Materials
• FDOT 121-3 specifications. Please see attached.
Cement Concrete, per FDOT specifications
General Requirements
This concrete class shall be composed of Portland cement, aggregates, and water.
Admixtures may be included, but fly ash is not permitted.
Materials
• FDOT Concrete Class I 300 p.s.i. Maximum slump 4”. Please see attached.
Mixing
All concrete must be machine mixed.
ORDERING, DELIVERY, AND MAINTENANCE
All orders must be placed by authorized City of Fort Myers Public Works personnel via phone or email. Each order will specify the delivery location and the required dimensions or project limits.
• All concrete must be delivered using a front-loading concrete truck
• Materials must be delivered on the same day the order is placed or scheduled for delivery within 72 hours during regular business hours.
• Failure to meet these timelines constitutes a breach of contract.
All deliveries must include a packing-slip listing the materials and quantities delivered.
Alternate arrangements for ordering or delivery must be approved in advance by the Public Works Department supervisor or superintendent.
SOURCING
If the contractor is unable to supply the required materials in the agreed timeframe, the City reserves the right to procure those materials from an alternative supplier. Consistent inability to deliver materials on time may result in contract termination.
PRICING
Pricing for concrete materials and delivery services may be adjusted daily to reflect current market conditions, with the Contractor responsible for providing timely updates as requested by Public Works staff.
121 FLOWABLE FILL – MIX DESIGN.
(REV 1-23-08) (FA 1-24-08) (7-08)
ARTICLE 121-3 (Page 173) is deleted and the following substituted:
121-3 Mix Design.
Flowable Fill is a mixture of portland cement, fly ash, fine aggregate, air entraining admixture and water. Flowable fill contains a low cementitious content for reduced strength development.
Submit mix designs to the Engineer for approval. The following are suggested mix guides for excavatable and non-excavatable flowable fill:
Excavatable Non-Excavatable Cement Type 1 75-100 lb/yd3 75-150 lb/yd3
Fly Ash None 150-600 lb/yd3 Water * * Air** 5-35% 5-15%
28 Day Compressive Strength** Maximum 100 psi Minimum 125 psi Unit Weight (Wet)** 90-110 lb/ft3 100-125 lb/ft3
*Mix designs shall produce a consistency that will result in a flowable self-leveling product at time of placement.
**The requirements for percent air, compressive strength and unit weight are for laboratory designs only and are not intended for jobsite acceptance requirements.
Fine Aggregate shall be proportioned to yield 1 yd3.
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