Pre Bid Slides_ AMU1.pptx

Project Overview

AIRCRAFT MAINTENANCE FACILITY UNIT:

Vertical construction of new facility of approximately 18,000 square foot located between the new proposed WLT building and Squad Ops (B1313).

Two-story facility consisting of an administration area (second floor) and a tool storage/ready rooms, and a mechanical mezzanine.

This project includes sitework, subgrade excavation, building foundations, structural, architectural, plumbing, mechanical, electrical and relocation/extension of existing utilities.

Within the new Aircraft Maintenance Facility, special facilities include non-secure office space, tool storage space, secure storage room, conference and ready rooms, locker rooms and a break room.

Ground Floor Scope Includes, but is not limited to:

Tool Storage Equipment Checkout Ready Rooms Fire, Communication and Electrical Secure Storage Mechanical Lockers Restrooms

Proposed New Second Floor Scope Includes, but is not limited to:

Electrical Comm.

Break Room Conference Room Admin Offices

Proposed South Elevation

Proposed North Elevation

Sitework:

Site work will comprise of on-site parking, pedestrian paving, landscape and retaining walls, sodding, and landscape planting.

Underground utility work will include all building necessary power, sanitary, storm, gas, water, and telecommunications infrastructure. Coordination will be required with existing utilities to maintain operation through and around the site and will include power, sanitary, storm, gas, water, and data.

Special attention will need to be paid to layout, erosion control, and laydown operations due to the limitations of the site and existing utilities on site. Scope of work will include the rerouting of underground utilities.

Addendum No. 2 modifies the earthwork requirements for both base bid and Bid Option No. 6. Changes include, but are not limited to, the following:

Existing site contains a grid of ¼”x3” copper electrodes abandoned in place, varying in depth. Some electrode locations contain a 1 ½” diameter steel pipe abandoned in place, and varying in depth.

Top 3’-0” of electrodes and pipes will be remove, and the resulting holes will be filled with grout.

General Contractor to remove grout, pipe, and electrodes to a depth required to install scheduled pavement, foundation system, undercut, finished grade etc. All copper materials removed are to be salvaged and delivered to the Government.

Compaction requirements for base bid and bid option #6 foundation systems are modified.

Clarification of backfill materials for Bid Option No. 6.

Contractor’s Option for improved roadbed or crushed aggregate for pavement subgrades.

Site Utility Plan:

Gas line Sanitary Sewer Line Storm Drain Line Limit of Undercut (see Addendum No. 2 for Alternate Foundation Systems) Water Line Demolition of existing sanitary sewer line and installation of new sanitary sewer main along East side of the facility (highlighted in red on the above image) has been removed from the scope of this project by Addendum #2. Line to be installed by adjacent contractor of the ADAL Squad Ops B1303 Project. Stub out to be provided. Timeline for installation of new SS main and demolition of existing line is not known at the time of the pre-bid conference.

Structural Systems:

The Base Bid structural system includes slab on grade with engineered fill soil stabilization, structural steel framing as well as load bearing masonry, composite floor slab, open web joists, and conventual metal roof decking.

Bid Option 1 modifies roof framing and adds acoustical roof decking Bid Option 6 replaces the base bid structural foundation and slab system with a drilled pier and structural slab.

Bid Option 6 should be the NET additional cost for drilled pier and structural floor slab assembly after deducting cost for the base bid foundation system.

Building Systems:

Major building systems include a 4 pipe chilled and hot water system with associated boiler, chillers, pumps, and VAV terminal boxes.

Architectural:

Metal stud with sheathing substrate, and CMU structure Exterior finish with combination of brick, cast stone, and metal panel facades.

Standing seam metal and low sloped TPO roof assemblies.

Special Project Requirements:

Supervision, Site Access, & Job-Site Trailer:

Contractor shall provide on-site supervision as required to successfully complete the work.

Contactor to provide on-site office space for Contractor personnel and project meeting.

Site access, laydown, etc.. Will have to be coordinated with renovation of existing building 1303.

A portion of the project limits has been designated for Contractor parking and storage for the adjacent contractor.

A walkway for ANG personnel access to Building 1303 will be provided and maintained along Eastern edge of AMU project limits. Contractor to erect temporary fencing as required to protect ANG personnel in close proximity to AMU project site.

Site access plan on next slide will be issued in an upcoming addendum.

Refer to 01 3000 for project manager and site superintendent resume requirements.

Refer to 01 3000 for project manager requirements for on-site presence and attendance if third-party project management approach is utilized.

Regular progress meetings.

Frequency will be based upon progress schedule and work quality.

A minimum of bi-weekly meetings should be anticipated.

Third party project manager, if utilized, will be required to be on site a minimum of once a month - refer to administrative requirements specification.

Supervision, Site Access, & Job-Site Trailer:

HPSB Compliance:

Project has been designed to meet the USGBC/GBCI Guiding Principles Assessment.

The Contractor is expected to understand the Construction phase documentation required for GCBI GP TPC Assessment and include all administrative costs within the Contractor's Proposal. This includes the required Sustainability eNotebook submittals.

The Architect will pay all submission/registration fees.

Commissioning is required. The Government will employ the commissioning agent. Contractor will provide associated services included in project specifications and ancillary support – refer to commissioning specifications.

Security Construction:

The project contains a small SAPF area (Room 110). This space is designed and shall be constructed in accordance with ICD 705-1 and IC Tech Spec for ICD/ICS 705 Technical Specifications for Construction and Management of Sensitive Compartmented Information Facilities.

Recent addendum upgraded this room to meet STC 50 requirements to allow the space to be used for conversation. All CMU cells to be grouted and STC 50 door assembly installed.

Concrete Mansory Unit assemblies painted from “true floor” to “true ceiling” to meet ICD 705 construction standards.

Coordination with Owner’s Security Vendor, ADVANTOR Systems.

QFPE Requirement:

The Contractor must engage a QFPE to be involved during the construction process. The QFPE must meet the requirements of UFC 3-600-01 and provide site inspections and submittal review for the fire alarm, mass notification, fire sprinkler, and life safety systems.

The Contractor's QFPE will be ultimately responsible to certify all life safety systems.

All costs associated with the Construction QFPE shall be included within the bid. QFPE can be furnished via a subcontractor. However, the QFPE will be responsible to review and stamp drawings that may fall across different subcontractors (fire alarm, fire sprinkler, mass notification, etc…) QFPE requirement will be clarified in an upcoming addendum.

Project Management Software:

Contractor will be required to utilize Architect’s Newforma system for all project communication.

All submittals and RFI will be submitted electronically.

Web-based interface will be provided at no cost to the Contractor.

iPad applications will also be made available to contractor at no cost.

ANTITERRORISM AND BUILDING STANDOFF REQUIREMENTS:

The project site and building structural, architectural, electrical and mechanical systems have been designed to meet the prescribed levels of protection against terrorist attacks in accordance with the department of defense (DoD) unified Facilities Criteria (UFC) 4-010-01 DoD minimum antiterrorism standards for buildings.

Limited Source Requirements:

Refer to 01 6000. The following products/manufacturers must be provided by name with no exception:

ADVANTOR Systems Contractor shall contact ADVANTOR during the bid process and get updated pricing information.

Monaco Enterprises, Inc., for fire alarm transceiver antennae for communication with existing base fire alarm reporting systems.

BEST Access Keying Systems (Patented MX-8 Keying System) for all key cores. All cylinders/hardware must be compatible with and able to receive BEST MX-8 key cores.

Johnson Controls, Inc., for building automation and energy management systems and equipment.

Belgard for concrete pavers to coordinate with adjacent construction projects.

Added by Addendum No. 1.

Site Remediation:

Project is nearing completion that treated high levels of TCE on the project site.

Site has been remediated and all known chemicals present in the soil on site have been reduced to below allowable thresholds.

The remediation process utilized electric resistance heating of the soil. At the time of the pre-bid conference, the soil temperatures on site are estimated at +/- 90 degrees Celsius.

Electric resistance heating system has been turned off and the soil is no longer being actively heated.

Soil temperatures will drop during the bid and award process. However, soil temperatures are expected to remain elevated above normal for an extended time.

Soil temperatures at the time of commencing earthwork for this project are not known. The Contractor shall take all precautions necessary to protect equipment and personnel working with, in, and around the project site.

Bid Option Description Bid Option #1 – (Additive): Interior Upgrades Metal Grid Ceilings in lieu of ACT Type 1 in listed spaces Vinyl Wall Covering in lieu of painted sheetrock in listed areas First Floor Carpet Tile in lieu of polished concrete in listed areas Acoustical Roof Decking and revised roof framing in lieu of standard roof decking with dry fall paint in areas indicated on S1.3A

Bid Option #2 – (Additive): Operable Mesh Shades Operable Mesh Shades

Bid Option #3 – (Additive): Sodding Provide and Install Sodding in lieu of seed and hay.

Bid Option #4 – (Additive): Pedestrian Concourse Upgrades Upgrade paving from concrete paving to concrete pavers Provide Site Furniture

Bid Option #5 – (Additive): Demountable Partitions Installation of Demountable Partitions in Second Floor Office areas in lieu of conventional metal stud/gypsum board assemblies were noted on the plans.

Bid Option Description Bid Option #6 – (Additive): Alternate Foundation Design (Added by Addendum) Installation of alternate foundation system consisting of drilled concrete piers, grade beams, and structural floor slabs.

Alternate foundation system to be provided in lieu of engineered pad with shallow footings and ground supported floor slabs.

Bid option also impacts extents and depth of building undercut, compaction and grading requirements, backfill materials, and location of foundation drainage system.

Bid Option 6 should be the NET additional cost for drilled pier and structural floor slab assembly after deducting cost for the base bid foundation system.

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