Field Offices And Shanties

As part of the site logistics planning, it is important to identify the location for the CM/GC field office, and those of the subcontractors. See Exhibit 6-21 for the field office checklist. Initially during the demolition and then the excavation and foundation phase of the project, construction field offices are often housed in self-contained trailers that can be rented. The trailers can be located on the site, if open space is available. Often they are located adjacent to the site (see Exhibit 6-22 and Exhibit 6-23), or on top of the sidewalk bridge surrounding the construction site. If the trailers are to be located on top of the sidewalk bridge, then a heavy load bridge (300lbs/sq.ft.) to allow for the installation of the trailers is required.

The field offices and shanties are often then incorporated within the space inside the construction of the building, once the building structure is in place. Locations that should be considered are: (1) first floor retail space, (2) garage parking area, (3) below grade storage space, and (4) large contiguous space within the lower floors of the building. The

Exhibit 6-21

CM/GC's field office and shanties checklist.

Item

Included

CM's field office

Subcontractor's field office and shanties Subcontractor storage of materials Fire resistant construction Sprinkler protection of shanty areas Emergency evacuation of construction personnel

Power for field offices and shanties Location of temporary bathrooms Heaters and A/C for construction shanties Required shanties for Local 14, Teamster, and Master Mechanic Telephone, fax, Internet service for CM and trades

Security of site and offices

Storage of flammable and hazardous materials

Location of office and shanties relative to site entrance

Guard booth to control site access Fire extinguishers

Types of interim heaters, air conditioners and fire protection Emergency contact information Communication system on the site

Exhibit 6-23

Office site field offices.

Mens

Mens

location is ideally in walking distance from the personnel construction entrance to the site, and logistically in the middle of the action. The PM should try to avoid having to take an elevator or hoist to get to the CM/GC's field office if possible to maintain control of the site and overall security.

Field offices and shanties should be built out of fire retardant materials to minimize potential fire damage and comply with the local building codes, especially when the building is ready for a temporary certificate of occupancy (TCO). At this point in the project, all field offices and shanty spaces may have to be fully sprinkled, if required by code. The installation of a permanent sprinkler loop (if required by local codes) with temporary upright heads is often utilized to provide coverage of these temporary structures. As work progresses within the structure, the location of the shanties may have to change. Exhibit 6-24 shows a phasing plan for the relocation of shanties.

Exhibit 6-24

Staging for shanties.

Tower -

Base building -

Ground floor/street

Basement levels

Electrical

Mechanical

Plumbing

Electrical (1

Mechanical (1

Plumbing (1

shanty 2X12') shanty 2X12') shanty 2X12')

Electrical (1

Mechanical (1

Plumbing (1

shanty 2X12') shanty 2X12') shanty 2X12')

Electrical (1

Mechanical (1

Plumbing (1

shanty 2X12') shanty 2X12') shanty 2X12')

T.O. Building

EL 28B

FL 28A

FL 28

T.O. Building

Electrical

Mechanical

Plumbing

Electrical (1

Mechanical (1

Plumbing (1

shanty 2X12') shanty 2X12') shanty 2X12')

Electrical (1

Mechanical (1

Plumbing (1

shanty 2X12') shanty 2X12') shanty 2X12')

Electrical (1

Mechanical (1

Plumbing (1

shanty 2X12') shanty 2X12') shanty 2X12')

SAFETY NET STAGES

Phase 4_

Shanties serve floors 30-34 Completion of phase 4

Phase 1

Shanties serve floors 10-17 (including lobby and mezzanine) Completion of phase 1 Shanties move to 9th floor

Phase 2_

Shanties serve floors 18-23 Completion of phase 2 Shanties move to 25th floor

Phase 3

Shanties serve floors 25-29 Completion of phase 3 Shanties move to 30th floor

Construction field offices and shanties for the construction of the tenant fit up work is often accomplished by utilizing some of the permanent rooms that are fitted out on an interim basis as field offices and shanties by the CM/GC and subcontractors. This minimizes the costs for these types of facilities, as well as utilizing permanent systems, walls, doors, lighting, etc. to provide for the required spaces during the construction process.

If the project is large and is being built by union trades people, then jurisdictionally a special union representative may have to "sit" at the site for its entirety. A shanty for the conduction of union business may be required.

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