329 Hangar, Maintenance and Office

These hangars are similar to storage hangars, but include more plumbing, electrical and interior construction costs. These hangars are used for complete maintenance and repair functions. The higher quality hangars are the main base facilities for commercial airlines and include a large amount of interior construction. They include suitable office, locker, break and restroom areas, secure storage facilities, and electrical, plumbing, heating and utilities to accommodate large maintenance crews.

The following are not included in the costs: Personnel lifts, hoists, security equipment and furnishings.

Availability of Elevators by Area for this occupancy: No

Marshall Valuation Service sections: 14 and 44.

Typical Lives:

 

 

 

 

 

Class

 

 

 

 

Quality

A

B

C

D

H

M

P

S

W

Low

--

--

35

30

--

--

--

30

--

Average

--

--

40

35

--

--

--

35

--

Good

--

--

40

40

--

--

--

40

--

Excellent

--

--

45

40

--

--

--

40

--

Quality Selection Guide:

Class C (Masonry Bearing Walls):

Quality

Exterior Walls

Interior Finish

Mechanicals

HVAC

Low

Concrete block, low-cost brick, tilt-up, light roof structure

Some partitions, few extras, concrete or asphalt floor

Minimum lighting & plumbing, power outlets

Space heaters

Average

Pilasters or steel frame, block, tilt-up, wood or steel trusses

Painted, few partitions, small office, concrete floor

Power outlets, drains, restroom

Space heaters

Good

Steel frame, concrete panels or brick, heavy structure

Supply rooms, offices, heavy floor, storage and repair

Good electrical and plumbing

Space heaters

Excellent

Structural steel, concrete panels, major jet hangars

Supply rooms, offices, heavy floor, craneways

Many power outlets, good lighting & plumbing

Package A.C.

Class D (Wood or Steel Framed Exterior Walls):

Quality

Exterior Walls

Interior Finish

Mechanicals

HVAC

Low

Wood frame, stucco or siding, light roof structure

Some partitions, few extras, concrete or asphalt floor

Minimum electrical and plumbing, power outlets

Space heaters

Average

Frame and stucco or siding, light and medium aircraft hangars

Small office, few partitions, concrete floor

Power outlets, drains, restroom

Space heaters

Class S (Metal Frame and Walls):

Quality

Exterior Walls

Interior Finish

Mechanicals

HVAC

Low

Steel frame, steel siding, light roof structure

Some partitions, few extras, concrete or asphalt floor

Minimum electrical and plumbing, power outlets

Space heaters

Average

Steel frame and siding, light and medium aircraft hangars

Small office, few partitions, concrete floor

Power outlets, drains, restroom

Space heaters

Good

Structural steel, steel siding, heavy aircraft hangars

Supply rooms, offices, heavy floor, storage and repair

Good electrical and plumbing

Space heaters

Excellent

Structural steel, heavy steel siding, major jet hangars

Supply rooms, offices, heavy floor, craneways

Many power outlets, good lighting & plumbing

Package A.C.