Government Contract | Colorado
Backcountry Fire Mitigation and Pedestrian Safety Improvements Project

Bid Information


Bid Alert No: 0000269780

Bid Title: Backcountry Fire Mitigation and Pedestrian Safety Improvements Project

Agency Bid No. Title: 1000

Received Date: 09/20/2021

Close Date: 10/15/2021

Purchase Type: Not Stated

Estimated Amount: 500000

Delivery Point: Sundial House, 10989 Sundial Rim Road, Highlands Ranch 80126

Delivery Date: Not Stated

Special Notices: Prebid Conference Recommended 10/04/2021 10:00 AM - Questions due date: 10/05/2021

Specifications

Invitation to BidSeptember 14, 2021BackCountry Fire Mitigation and Pedestrian Safety ProjectThe BackCountry HOA is seeking bids to complete a fire mitigation and pedestrian safety improvement project along a portion on the southern border to the BackCountry Community. This improved buffer will serve as natural separation between residential structures and 399 plus acres of open space and grasslands to the south. The wild land area directly to the south of the project site is owned and managed by BackCountry and has been and will continue to be subject to a reoccurring threat of catching fire. When these fires occur, they represent a major threat to the health and safety of the community. In order to help maintain a sense of well being and security for residents, Gambel Oak mitigation will also be taking place along much of this corridor. Gambel Oak control is not a part of this project.The project consists of approximately 4,144 lf of 4" thick, 6' wide concrete pedestrian trail along Skydance Drive. The trail begins at the existing Trailhead Parking Lot, just east of the Sundial House, and ends at a short pedestrian bridge on Greycliffe Drive. (Please see the attached photos for views of existing conditions.) The project will include grading and creation of a sub-base for the new trail using the current alignment of the existing crusher fines trail. It also includes street shoulder improvements along Skydance Drive, and Greycliffe Drive along with the addition of four extended areas of irrigated turf grass sod. The project also includes a number of short paved pedestrian crossings between the new trail and the adjoining street and gravel pull out area at the Mail Station on Skydance. There are also storm drainage considerations, signing and marking, traffic control, erosion and sediment control (installation, maintenance, and removal of erosion and sediment control BMP's), construction staging, and coordination with the project manager, committee members, and property owners.Trail Construction: Following the grading and establishment of the trail alignment, base material will need to be added/brought in where there is insufficient existing inorganic soils that can be compacted to create a proper base for the trail. Any rocks, spoils or other debris generated by grading activities will be disposed of properly off site. Fiber Mesh is to be added to the concrete mix for added strength and longevity. The fresh trail surface is to be sprayed with common concrete sealer as soon as surface moisture dissipates. All joints are to be saw cut at 6ft. intervals. Once the trail has cured to the point where it can bear weight, the concrete is to be backfilled to the top with soil capable of germinating and growing dryland grasses. A seedbed will be prepared and all disturbed area will be hand seeded with a dryland seed mix covered by straw. The contractor will provide all the temporary signing and barricades needed to protect the new trail from damage. Signage will also be provided that informs trail users to the temporary closure and possible re-direction of foot traffic. If a concrete pumper will be used on the project, arrangements will need to be made for the temporary closure of roads. A wash out tub or tubs will be provided by the contractor. There is some water access available, if needed, along the trail alignment. Centennial Water and Sanitation District will need to be notified that part of their easement will receive concrete.Street Shoulder Improvements: The street shoulder on Skydance Drive and Greycliffe Drive will each receive the same type of treatment. The current earthen shoulder is to be graded to a depth and width that will allow for the import of 3/4" crushed gravel to the proper depth. The top of this gravel band is to be within " of the street surface following compaction. At the interface of this new gravel band with the dryland or irrigated turf, traffic control boulders will be placed at 100 'intervals. (A detail of this installation is provided in the attached drawings). The gravel shoulder improvements or traffic control boulders do not extend through Windmill Pond Park. The current irrigated turf grass that runs to the edge of the pavement stays in place. Instead, the gravel and boulder improvements pick back up again on the eastside of the park where the turf grass ends. Bands of Irrigated Turf: There will be 4 new irrigated turf areas created as a part of this project. These areas are shown on the attached drawings. There is an existing irrigation system that extends through these areas. This system is non-functioning currently. The existing irrigation system was designed for the establishment of dryland cover grasses, not irrigated turf grass. It was then shut down after establishment occurred. These zones and sprinkler heads will have to be modified/re-designed to provide irrigation water to the new turf. The contractor will be responsible for doing this design work. The design will be submitted to the BackCountry irrigation contractor for review and approval.Planting soil will need to be imported to shape and level these new turf areas. Care should be taken to provide for the natural unobstructed flow of storm water.A pre-bid conference is scheduled for October 4th, 2021 at 10:00am. Attendance is not mandatory but is highly recommended so that questions can be fielded.Please submit Bid by October 15, 2021, 12:00 noon.A conceptual drawing of the project area prepared by Norris designs is included as well as a map of the Community. Please submit bids by October 15th 2021 to Chuck Reno, Backcountry Maintenance 303-472-6693, Creno@ccmcnet.comStill Headed East on SkydanceLocation of Gravel Pull-Out AreaHeaded East toward Windmill Pond ParkLeaving Windmill Pond and picking back up with the Shoulder ImprovementsSecond Mail Station at Greycliffe and SkydanceLooking East on Greycliffe toward the end of the ProjectProject ends at Ditch Crossing

Product Codes: 005, 00500

Agency Information


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Issuing Agency: BackCountry Association District

State: Colorado

Agency Type: State and Local

Contact: Chuck Reno - Maintenance Manager - 10989 Sundial Rim Road, Highlands Ranch, Colorado, 80126

Phone: 3033462800

Email: creno@ccmcnet.com

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