| Project |
Apartment Building
Washington, D.C. |
 |
| Size |
9-story, 190-unit, 281,245 SFG building with two below-grade parking levels |
| Site |
One (1) acre |
| Schedule |
28 months |
| Delivery |
Guaranteed Maximum Price |
| Labor |
Non-union |
| Site |
Excavation, grading, utilities, hardscaping, and landscaping |
| Foundation |
Cast-in-place foundation walls and mat slab |
| Superstructure |
Cast-in-place |
| Facade |
Precast panels, brick cavity walls, and aluminum-framed insulated glass window walls |
| Roof |
Green roof: planting substrate, filter fabric, stone ballast over modified bitumen membrane |
| Finishes |
Carpet flooring; painted gypsum board walls, concrete ceilings in living areas and bedrooms; ceramic tile, painted gypsum board walls and ceilings in kitchen and bathrooms; painted gypsum board walls and ceilings in common areas; stone flooring in lobby; and carpet in corridors |
| Elevators |
Two (2) 11-stop geared traction elevators; and one (1) 9-stop geared traction elevator |
| Sprinklers |
Dry pipe system in parking levels; and 100% wet pipe system elsewhere |
| Plumbing |
Cast iron sanitary waste and vent piping; copper domestic water supply |
| HVAC |
Packaged terminal air conditioning units at residential units; split system heat pumps at common areas |
| Electrical |
4,000 amp, 120/208 volt, 3-phase 4-wire service, and a 400kw emergency generator |
|
| Trade |
Rounded Cost |
Cost
Per Unit |
Cost
Per SF |
| Site Work |
3,964,000 |
20,863 |
14.09 |
| Subtotal Site |
3,964,000 |
20,863 |
14.09 |
| General Conditions (8%) |
317,000 |
1,668 |
1.13 |
| General Contractor Fee (4%) |
171,000 |
900 |
0.61 |
| Total Site |
4,452,000 |
23,432 |
15.83 |
| Concrete |
11,434,000 |
60,179 |
40.65 |
| Masonry |
586,000 |
3,084 |
2.08 |
| Metals |
518,000 |
2,726 |
1.84 |
| Carpentry/Drywall |
1,564,000 |
8,232 |
5.56 |
| Thermal/Moisture Protection |
1,008,000 |
5,305 |
3.58 |
| Doors/Windows |
1,566,000 |
8,242 |
5.57 |
| Finishes |
4,765,000 |
25,079 |
16.94 |
| Specialties |
146,000 |
768 |
0.52 |
| Equipment |
812,000 |
4,274 |
2.89 |
| Elevators |
735,000 |
3,868 |
2.61 |
| Fire Protection |
891,000 |
4,689 |
3.17 |
| Plumbing |
2,645,000 |
13,921 |
9.40 |
| HVAC |
2,342,000 |
12,326 |
8.33 |
| Electrical |
5,115,000 |
26,921 |
18.19 |
| Subtotal Base Building |
34,127,000 |
179,616 |
121.34 |
| General Conditions (8%) |
2,730,000 |
14,368 |
9.71 |
| General Contractor Fee (4%) |
1,474,000 |
7,758 |
5.24 |
| Total Base Building |
38,331,000 |
201,742 |
136.29 |
| Total Rounded Direct Cost |
42,783,000 |
225,000 |
152.00 |
| Cost Distribution |
 |
|