| | Description (Green Building) | Unit | Quantity | Total Unit Cost ($) | Total Item Cost ($) | Description (Typical Building) | Total Unit Cost ($) | Total Item actual Cost ($) |
| | Windows | | Insulating glass, 2 lites, clear, 3/16′′ float, for 5/8′′ thick unit, 15–30 SF | S.F. | 2681 | $16.89 | $45,282.09 | Windows, aluminum, awning, insulated glass, 4′-5′′ × 5′-3′′ | $58.64/SF | $157,214 | | Frames, steel, knock down, “B” label, single, hollow metal, 14 ga., up to 5-3/4′′ deep, 7′-0′′ h × 4′-0′′ w | Ea. | 238 | $232.13 | $55,246.94 | | | |
| | Roof | | Structural insulated panels, 7/16′′ OSB both sides, straw core, 4-38′′ thick, roofs, including splines | S.F. | 6560 | $12.53 | $82,196.80 | Roof, concrete, slab form, open web bar joist @ 2′ OC, on W beam and wall, 25′ × 25′ bay, 26′′ deep, 75 PSF superimposed | $14.91 | $97,809 | | Insulating roof fill, with expanded volcanic glass rock, 3′′ thick | S.F. | 6560 | $2.44 | $16,006.40 | | | |
| | Floor | | Resilient Flooring, cork tile, standard finish, 5/16′′ thick | S.F. | 14,970 | $12.43 | $186,077.1 | Floor, concrete, slab form, open web bar joist @ 2′ OC, on W beam and wall, 25′ × 25′ bay, 26′′ deep, 75 PSF superimposed | $14.91 | $223,203 |
| | Doors | | Doors, glass, sliding, vinyl clad, 6′-0′′ × 6′-8′′ high, insulated glass | Opng | 3 | $1,540.32 | $4,620.96 | Door, aluminum & glass, with transom, narrow stile, double door, hardware, 6′-0′′ × 10′-0′′ opening | $7.72/ft2 | $9,787 | | Doors, wood, paneled, interior, five panel, solid, fir, 3′-0′′ × 6′-8′′ × 1-3/8′′ thick | Ea. | 18 | $431.42 | $7,765.56 | | | |
| | Walls | | Precast wall panel, smooth, gray, un-insulated, high rise, 4′ × 8′ × 4′′ thick, 3000 psi | S.F. | 16360 | $37.62 | $615,463.2 | Brick walls, 13.5 brick per square foot, 8′′ thick wall, includes mortar, 8% brick waste and 25% mortar waste, vertical reinforcement and grout, excludes scaffolding & horizontal joint reinforcement | $29.97 | $490,309 |
| | Railing & Stairs | | Stair, shop fabricated, steel, 3′-6′′ W, including picket railing, stringers, metal pan treads, excl concrete for pan treads, per riser | Riser | 96 | $519.83 | $49,903.68 | Stairs, steel, cement filled metal pan & picket rail, 16 risers, with landing | $5.27/ft2 | $67,431.4 | | Railing, pipe, steel, primed, 3 rails, 3′-6′′ high, posts @ 5′ O.C., 1-1/4′′ diameter, shop fabricated | L.F. | 132 | $45.36 | $20,548.08 | | | |
| | Approximated Construction Cost | $1,131,303.43 | Actual approximated cost | $1,045,753 |
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