Conventional roof framing Piecework rates
Calculate lengths, lay out, cut and install 2" x 10" or 2" x 12" common, hip, valley and jack rafters on parallel and horizontal plates. Costs per square foot of plan area under the roof. [view picture]
  Small job, cut-up roof, few common rafters
      Rafters 12" OC — SF — 1.33 1.33
      Rafters 16" OC — SF — 1.13 1.13
      Rafters 20" OC — SF — .89 .89
      Rafters 24" OC — SF — .65 .65
  Larger job, longer runs, nearly all common rafters
      Rafters 12" OC — SF — .65 .65
      Rafters 16" OC — SF — .58 .58
      Rafters 20" OC — SF — .45 .45
      Rafters 24" OC — SF — .37 .37
      Add for slope over 6 in 12 — SF — .22 .22
      Deduct for 2" x 6" or 2" x 8" rafters — SF — -.08 -.08
Fascia Piecework rates
Applied to rafter tails and as a barge rafter on gable ends. Includes trimming the rafter tails to the correct length and installing outlookers at gable ends. Costs per linear foot of 2" x 8" fascia installed. [view picture]
    Small job, short runs, with molding — LF — 2.88 2.88
    Larger job, longer runs — LF — 1.65 1.65
Roof sheathing Piecework rates
Lay out, cut, fit and install 1/2" or 5/8" OSB or plywood roof sheathing, including blocking and 1" x 8" starter board on overhangs as required. Based on nailing done with a pneumatic nailer and nails supplied by the general contractor. Costs per square foot of sheathing installed.
    Smaller, cut-up hip and valley job — SF — .25 .25
    Larger job, longer runs — SF — .19 .19
    Add for slope over 6 in 12 — SF — .12 .12
Carpentry Cost, Detailed Breakdown This section is arranged in the order of construction. Material costs shown here can be adjusted to reflect your actual lumber cost: divide your actual lumber cost (per MBF) by the cost listed (per MBF). Then multiply the cost in the material column by this adjustment factor. No waste included.
Lally columns (Residential adjustable basement column) 7' 9" to 8' 1", steel tube
  Column installation, to 12' high B1@.458 Ea 181.00 15.30 196.30
Precast pier blocks Posts set on precast concrete pier block, including pier block with anchor placed on existing grade, temporary reusable 1" x 6" bracing (8 LF) and stakes (2). Cost is for each post set. Add for excavation if required
Pier pads 2" x 6", treated, #2 & Btr
  1.10 BF per LF B1@.034 LF 6.07 1.13 8.33
Posts 4" x 4", material costs include 10% waste (1.47 BF per LF). See also Lally columns above and Posts in the Lumber section
  Fir, rough Std & Btr, K.D. — MBF 839.00 — 839.00
  Fir, rough Std & Btr, K.D. 4" x 4" — LF 1.23 — 1.23
  Red cedar, rough green constr. — MBF 1,670.00 — 1,670.00
  Red cedar, rough green constr. — LF 2.45 — 2.45
  Redwood, S4S construction heart — MBF 1,860.00 — 1,860.00

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