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99--Bioengineering Specifications for Cochiti and Corrales priority sites

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430022Federal

Contract Overview

Solicitation details, issuing organization, response deadlines, documents, and interested companies for this government contract opportunity.

AI Contract Overview

The contract calls for the construction of a bioengineered bankline using densely packed coconut fiber blocks designed to provide structural support and erosion control along priority streambank sites at Cochiti and Corrales. These blocks, each weighing no more than 100 pounds and measuring 16 inches tall by 9 inches thick, will be arranged in three offset lifts, with each line of blocks shifted 2 feet toward the bankline from the layer beneath. The blocks are accompanied by woven coir fabric extending from both the top and bottom, overlapping adjacent blocks by at least 6 inches, and secured with biodegradable wooden stakes. The material specifications ensure a minimum dry fabric strength of 1100 lbs/ft, and all components must be durable enough to protect against erosion until coyote willow plantings become established at a density of 2-3 poles per foot. A total of 4,500 linear feet of blocks and 5,000 stakes will be required for the Cochiti site, with an additional 1,500 linear feet of blocks and 2,000 stakes for the Corrales site. The blocks must be proven erosion control products that allow for easy installation handled by two persons and capable of being anchored as necessary. The contract is a total small business set-aside issued by the Denver Federal Center under the Department of the Interior, emphasizing strict adherence to these specifications without exceptions.

General Info

Construct bioengineered coconut fiber bankline for erosion control at Cochiti and Corrales sites.

Agency

Department Of The Interior → Denver Federal Center

NAICS

237990 - Other Heavy and Civil Engineering Construction

Place of Performance

Set-Aside

SBA

Documents

No documents available

Documents will appear here when they are available.

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Timeline

PhaseCombined Synopsis

PostedNov 9

Combined Synopsis

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Organization & Contact Information

AgencyDepartment Of The Interior → Denver Federal Center

ContactsNo contacts available

OfficeDENVER, CO, 80225, USA

Organization / AgencyDepartment Of The Interior → Denver Federal Center

Office AddressDENVER, CO, 80225, USA

ContactsNo contact information available

Full Description

Mandatory requirements: No exceptions The bioengineering bankline shall be constructed of blocks of densely packed coconut fiber that fit together to form a continuous, structurally sound bankline protection. The bankline protection will consist of three lines (lifts) of blocks set on top of each other. Each line of blocks will be offset 2 feet towards the bankline from the underlying line of blocks. Each block shall be 16 inches in height and 9 inches thick, with an attached woven coir fabric that extends a minimum of 75 inches from the bottom of the block and a minimum of 48 inches from the top of the block. The fabric shall wrap around the front face of the block. Fabric from each block shall overlap at least 6 inches unto adjacent blocks. The fabric must have a minimum dry strength of 1100 lbs/ft. Stakes used for securing the fabric to the soil shall be a minimum of 2 feet long, with a minimum cross-sectional dimension of 2 inches by 4 inches. Stakes shall be wooden or have similar biodegradable attributes. Blocks and fabric shall be able to provide all of the necessary structural support and erosional resistance until the pole plantings have become established. Coyote willows at a density of 2-3 poles/foot will be planted with each lift of the bioengineered bankline. Each block shall not weigh more than 100 lbs. Each block shall have a unit weight between 7 to 10 lbs per linear foot. The blocks shall be a proven streambank erosion control product. The total linear feet of block needed for the Cochiti priority sites shall be 4,500. The total number of stakes needed for the Cochiti priority sites shall be 5,000. The total linear feet of block needed for the Corrales priority site shall be 1,500. The total number of stakes needed for the Corrales priority site shall be 2,000. Blocks shall be capable of easy installation such that two persons can handle the product. Blocks shall be capable of being anchored by stakes as needed.