• Phase 4: Construction

Explore Elementary Construction Updates

  • UPDATE – May 29, 2019

    Posted by Andy Leapley on 5/29/2019

    Explore PreK-8 continues to extend the steel framework beyond the cafeteria and library. Steel beams are going up on the east side of the building, which includes several classrooms, break out areas and a science classroom. The steel trusses will remain exposed on the ceiling once the building is complete. Installation of weatherproofing materials to the floors continues alongside the framework. Toward the west side, early stages of the bus loop can be seen.

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  • UPDATE – May 6, 2019

    Posted by Andy Leapley on 5/6/2019
    • Explore PreK-8 has officially gone vertical! Construction has begun on the structural steel framework, creating the outline of our new school building! Large cranes will continue to lift huge I-beams into position to support floors, roofing and the walls of the building.
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  • UPDATE – April 29, 2019

    Posted by Andy Leapley on 4/29/2019
    • Early stages of the exterior foundation are beginning to appear at the new Explore PreK-8 building site!
    • With earthwork and structural pillars done, crews have turned their attention to the plumbing system and foundational work.
    • The new school will open to students in the fall of 2020.
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  • UPDATE – March 18, 2019

    Posted by Andy Leapley on 3/18/2019
    • After a successful groundbreaking ceremony this month, crews are busy with preliminary earthwork at the future site of Explore PreK-8.
    • Although much of the current work is happening below the ground, stay tuned as the building will begin to take shape soon!
    • Construction is projected to be completed in the fall of 2020.
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  • UPDATE – February 15, 2019

    Posted by Andy Leapley on 2/15/2019

    Postcard for the Groundbreaking event

    Explore Groundbreaking Ceremony

    Please join us on Friday, March 1, at 1 p.m., as we break ground on the site of the new Explore PreK-8 building. The groundbreaking will take place near the corner of 104th Avenue and York Street.

    We hope to see you there!

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  • UPDATE – February 1, 2019

    Posted by Andy Leapley on 2/1/2019

    A guaranteed maximum price (GMP) contract with JHL was signed for $20,853,255, including design and preconstruction costs. 

    Olsson was selected as the vendor to conduct materials testing and inspection. 

    Coordination of site improvements and easements with McStain and the City of Thornton are making good progress. The final plat is also in process with the City. 

    Construction activities are projected to start February 4, 2019, with a Groundbreaking Ceremony scheduled on March 1, 2019 and school opening will be in 2020.

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  • UPDATE – November 2018

    Posted by Andy Leapley on 11/7/2018
    • Project design development is complete and construction documents are in process with an anticipated completion date of December. 
    • Utility coordination with Xcel is ongoing Coordination of site improvements with the City of Thornton are making good progress. 
    • Construction is projected to start in early 2018 and school opening will be in 2020. 
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  • UPDATE – August 2018

    Posted by Blackboard Trainer on 8/1/2018

    On Friday, Sept. 14, staff from Explore Elementary will spend part of their Collaborative Day touring the new Adventure Elementary school building! The tour will be followed by a presentation of the proposed design of Explore’s new school building! Design concepts for Explore’s new school building are underway and should be finalized in the fall.

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  • UPDATE - July 2018

    Posted by Andy Leapley on 7/16/2018

    The Schematic Design package for Explore PK-8 was submitted on June 26 and is currently being reviewed by Mapleton and NV5. The general site plan and building floorplan has been established; however, modifications are still being made as design progresses and further District input is received. 
    The contract with the design-build team has been signed.  JHL is currently preparing preliminary pricing on the SD set for review on July 11 and July 18.  A committed construction schedule will also be presented in that time frame as well.  The construction schedule is dependent on discussions with the City of Thornton as to what construction activities will be allowed prior to finalization of an IGA or similar document between the City and the District. 
    The overall project budget has not changed, and Owner Contingency appear adequate at this time.

    Explore PreK-8 Design/Build team selected!

    The Board of Education and Mapleton administrators have selected the design/build team of JHL Constructors and Hord|Colpan|Macht (HCM) Architects to design the PreK-8 school building that will be constructed on the property at 104th Avenue and York Street. This building will be designed to reflect the heritage of Colorado farming and ranching in the area. Hint: The school may look like a barn! Planning and design will take place over the summer.

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Explore Elementary

  • Proposed Explore Elementary projects:

    • Relocate to a new school building and outdoor education center to be constructed on a portion of 25 acres near 104th Avenue and Steele Street
    • Program change from PreK-6 to PreK-8 to accommodate growth
    • Current Explore building would be remodeled and become a District-wide preschool center 

    Tentative timeline for new Explore PreK-8 building:


    Design: Aug. 2018 – March 2019
    Preliminary construction dates: March 2019 - Aug. 2020
    Proposed cost: $26 million  

    Tentative timeline for Explore Preschool Center (renovation of former Explore Elementary):

    Design: Jan. – June 2019
    Preliminary construction dates: June – Dec. 2019
    Proposed cost: $3.4 million