01_27_00_DEFINITION_OF_CONTRACT_LINE_ITEMS_ADDEN3_0003.pdf

GOGA – 212511D 01 27 00 - 1 DEFINITION OF CONTRACT LINE

ITEMS

SECTION 01 27 00 – DEFINITION OF CONTRACT LINE ITEMS

PART 1 - GENERAL

A

1.1 SUMMARY

A. The intent of this section is to explain, in general, what is and what is not included in a contract line item, and the limits or cut-off points where one item ends and another begins.

B. If no contract line item exists for a portion of the work, include the costs in a related item.

PART 2 - PRODUCTS (Not Used)

PART 3 - EXECUTION

3.1 LIST OF CONTRACT LINE ITEMS

A. Base Bid – Seismic Strengthening of the West Wing and Related Work:

1. Contract Line Item 1:

2. This item consists of labor, equipment and material to seismically strengthen the East and West Wings of Fort Mason Building 201 in two phases of construction and will include:

constructing new steel moment frames and collectors on the first, second, third floors, and attic space of the three-story building; new concrete foundations and shear walls at basement level that are integral to moment frames above; strengthening roof framing at WWII Infill; providing positive connections between the wood framing and foundations of the crawlspace; connecting existing floor diaphragms, removal and reinstallation or relocating mechanical, electrical and plumbing system components related to seismic strengthening throughout the building; improvements to seismic hazards related to the mechanical, electrical and plumbing system components and removal of abandoned non-historically significant pipes, ducts, and conduits throughout; relocating and modifying portions of historic interior wood partitions with doors, glass relights, and cabinets to accommodate new moment frames; repairs and replacement of historic ceiling and wall finishes, resilient flooring, wall bases, and carpets associated with new moment frames and collectors; painting opaque interior surfaces throughout, including new structural members and trims, walls, ceilings, interior partitions, exposed electrical conduits/raceways, fire sprinkler piping, and mechanical ductwork; relocating two exterior doors and removing two windows at west wall Basement Level, providing new exterior landings, steps and handrails; removal and reconstruction of exterior wood porch and stair; mobilization, demobilization, and general conditions as related to this line item along with protection, remediation of hazardous materials, cutting, patching, repair and painting of adjacent finishes, excavation for new footings; segregating, stockpiling, testing, and disposal of Class III Non-Hazardous excavated soils, import clean fill and all other work necessary to return the system working order.

Existing construction, materials and finishes are considered historic fabric in all locations.

As a historic rehabilitation project, the goal is to disturb as little existing historic fabric as possible. Demolition must be selective to minimize the loss of historic fabric and damage

GOGA – 212511D 01 27 00 - 2 DEFINITION OF CONTRACT LINE

to historic finishes. Care must be taken when salvaging materials for reinstallation or salvage, to prevent or minimize damage to the material removed and the surrounding historic building fabric. Any disturbance to historic fabric must be approved by the contracting officer prior to removal. See specifications sections 013591 - Historic Preservation Treatment Procedures, 024105 - Selective Demolition, and 024119 - Selective Structural Demolition for detailed information and procedures.

3. Payment will be made at the contract lump sum price.

B. Base Bid - Soil Disposal Class I Cal – Hazardous Waste

1. Contract Line Item 2

2. This item consists of the labor, equipment, and material premium for abatement of soils documented as Class I Cal Hazardous waste.

3. Measurement for payment will be on a unit price per cubic yard basis based on an approved schedule of values.

4. Payment will be made at the contract unit price per cubic yard.

C. Base Bid – Relocation of Information Technologies Server Rooms 116 and 316A to Room B03

1. Contract Line Item 3

2. This item consists of the labor, equipment, and materials to relocate and consolidate Information Technologies Server Rooms, including new wire mesh partitions with locking doors and grounding, insulate ceiling/floor assembly above, painted gypsum board ceiling, rubber flooring, four 2 ½” conduits with pull-cords connecting Rooms B10 to B03, electrical power and lighting, and mechanical cooling system as Drawings indicate.

This option also includes abatement of known hazardous materials (asbestos) as described in the referenced survey report.

D. Option A – Not Used.

E. Option B – East Wing Tenant Improvements

1. Contract Line Item 5:

2. This item consists of labor, equipment, and materials for the addition of interior partitions, interior doors, and a service-counter, modifying fire suppression, mechanical, electrical, and lighting systems as required, and Drawings indicate.

3. Payment will be made on at the contract lump sum price.

F. Option C – Miscellaneous Minor East Wing Seismic Upgrade Elements

1. Contract Line Item 6:

2. This item consists of labor, equipment, and materials for the completion of structural strengthening components providing positive connections between the wood floor framing and masonry wall at second floor and removal of existing and installation of new wall, and floor finishes required to complete structural work.

3. Payment will be made on at the contract lump sum price.

G. Option D– Architectural Casework, Marble Countertops, and Fireplace Hearth and Surrounds at

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East Wing Rooms 104, 123, and 125

1. Contract Line Item 7:

2. Provide finished painted Information Desk, and storage cabinets with book shelves, wood face-frame and raised panel doors, wood fireplace mantel, marble countertop, marble fireplace hearth and surrounds as Drawings indicate.

H. Option E – Repaint Exterior of Fort Mason Building 201 East Wing

1. Contract Line Item 8:

2. This item consists of the labor, equipment, and materials to abate exterior Lead-based Paint, and prepare surfaces to receive new paint and the application of new paint to wood siding, painted wood doors, wood and metal windows, metal downspouts, gutters, louvers, wood and metal soffits, wood steps, wood decks, wood and metal rails of the East Wing, as Drawings indicate.

I. Option F - Rehabilitate 31 Historic Window Units and Replace of 22 Window Unit Sashes on East Wing

1. Contract Line Item 9:

2. This item consists of the labor, equipment, and materials to remove, rehabilitate, and reinstall 31 historic window frames and sashes of double hung, casement, and fixed windows. Abate lead-based paint from 53 frames and 31 historic window unit sashes, prime and paint, interior wood sash and frame surfaces, prime exterior frame and sash surfaces, except sash runs. Repair decayed sash and frame elements. Replace broken glass and reglaze rehabilitated historic windows. Repair or replace operation hardware, pulleys, sash cords, or chains, and counterweights. Provide new hardware where missing or malfunctioning. Provide weather stripping and air seals and reset stops as Drawings indicate. Replace 22 existing window unit sashes with new primed and painted custom redwood sashes with true divided lites of insulated glass units configured per drawings, new sash cords. Reinstall cam locks and sash lifts.

J. Option G – Repaint Exterior of Fort Mason Building 201 West Wing

1. Contract Line Item 10:

2. This item consists of the labor, equipment, and materials to abate exterior Lead-based Paint, and prepare surfaces to receive new paint and the application of new paint to wood siding, painted wood doors, wood and metal windows, metal downspouts, gutters, louvers, wood and metal soffits, wood steps, wood decks, wood and metal rails of the West Wing, as Drawings indicate.

K. Option H - Rehabilitate 37 Historic Window Units and Repair of 123 Window Unit Sashes on West Wing

1. Contract Line Item 11:

2. This item consists of the labor, equipment, and materials to remove, rehabilitate, and

GOGA – 212511D 01 27 00 - 4 DEFINITION OF CONTRACT LINE

reinstall 37 historic window frames and sashes of double hung, casement, and fixed windows. Abate lead-based paint from 161 frames and 37 historic window unit sashes, prime and paint, interior wood sash and frame surfaces, prime exterior frame and sash surfaces, except sash runs. Repair decayed sash and frame elements. Replace broken glass and reglaze rehabilitated historic windows. Repair or replace operation hardware, pulleys, sash cords, or chains, and counter weights. Provide new hardware where missing or malfunctioning. Provide weather stripping and air seals and reset stops as Drawings indicate. Replace 124 existing window unit sashes with new primed and painted custom redwood sashes with true divided lites of insulated glass units configured per drawings, new sash cords. Reinstall cam locks and sash lifts.

END OF SECTION 01 27 00