Beam and girder forms Using nails, snap ties and oil, 1.3 SF of 3/4" plyform and 2.1 BF of lumber per SFCA. For scheduling purposes, estimate that a crew of 5 can lay out, fabricate and erect 250 to 300 SF of beam and girder forms in an 8-hour day. For more detailed coverage of beam and girder forms, see National Concrete & Masonry Estimator, http://CraftsmanSiteLicense.com
  1 use F5@.149 SFCA 3.16 7.06 10.20
  3 uses F5@.141 SFCA 1.71 6.68 8.39
  5 uses F5@.120 SFCA 1.41 5.68 7.09
Shores for beams and girders Using 4" x 4" wooden posts. These figures assume an average shore height of 12'0" with a 2'0" long horizontal 4" x 4" head and 2" x 6" diagonal brace (30 BF of lumber per shore) and include nails, adjustable post clamps and accessories. For scheduling purposes estimate that a crew of 5 can lay out, fabricate and install 30 to 35 adjustable wood shores in an 8-hour day when shores have an average height of 12'0". Quantity and spacing of shores is dictated by the size of the beams and girders. Generally, allow one shore for each 6 LF of beam or girder. Costs for heavy-duty shoring are listed under General Requirements, Heavy-Duty Shoring.
  1 use F5@1.50 Ea 26.00 71.10 97.10
  3 uses F5@1.00 Ea 14.50 47.40 61.90
  5 uses F5@.748 Ea 12.20 35.40 47.60
Elevated slab forms These are costs for forms per square foot of finished slab area and include shoring and stripping at heights to 12'. Bays are assumed to be 20' x 20' bays.
Waffle slab-joist pans, monolithic Using rented forms (30-day rental period minimum). For scheduling purposes, estimate that a crew of 5 can lay out, fabricate and install 500 to 600 SF of waffle slab-joist pan forms and shoring in an 8-hour day. Two uses of the forms in a 30-day period is usually the maximum.
    Metal pans, 10,000 to 20,000 SF [view picture]
      1 use F5@.100 SF 5.87 4.74 10.61
      2 uses F5@.066 SF 3.28 3.13 6.41
    Fiberglass pans, 10,000 to 20,000 SF
      1 use F5@.077 SF 6.86 3.65 10.51
      2 uses F5@.061 SF 3.92 2.89 6.81
Flat slab with beams, monolithic Including nails, braces, stiffeners and oil 1.2 SF of plyform and 3.2 BF of lumber per SFCA for one-way beam systems. Two-way beam systems require approximately 40% more forming materials than one-way beam systems. For scheduling purposes, estimate that a crew of 5 can lay out, fabricate and erect 350 to 400 SF of one-way beam systems and 250 to 300 SF of two-way beam systems in an 8-hour day, including shoring.
    One-way beam 1 use F5@.110 SFCA 3.71 5.21 8.92
    One-way beam 2 uses F5@.080 SFCA 2.83 3.79 6.62
    Two-way beam 1 use F5@.152 SFCA 5.09 7.20 12.29
    Two-way beam 2 uses F5@.100 SFCA 2.98 4.74 7.72
Structural flat-slab Using nails, braces, stiffeners and oil costing $.25, 1.2 SF of plyform and 2.25 BF of lumber per SFCA. For scheduling purposes, estimate that a crew of 5 can lay out, fabricate and erect 500 to 600 SFCA of structural flat-slab forms in an 8-hour day, including shoring.
    Edge forms F5@.072 LF 1.62 3.41 5.03
    Slab forms 1 use F5@.069 SFCA 3.13 3.27 6.40
    Slab forms 3 uses F5@.048 SFCA 1.69 2.27 3.96
    Slab forms 5 uses F5@.043 SFCA 1.40 2.04 3.44
Additional forming costs for elevated slabs, if required Based on single use of plyform and lumber. For scheduling purposes estimate that a 5 man crew can install 500 SFCA per 8-hour day.
    Control joints F5@.031 LF 1.74 1.47 3.21
    Curbs and pads F5@.083 SFCA 3.13 3.93 7.06
    Depressions F5@.083 SFCA .94 3.93 4.87
    Keyed joints F5@.031 LF .73 1.47 2.20

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