By John S.
This guide offers the reader with a correct and handy strategy for estimatig direct exertions for common contrsuction paintings for any given procedure, plant, or place. although this ebook, the reader has a competent strategy of acquiring and streamlining an efficent version of operation.
summary: This guide presents the reader with a correct and handy approach for estimatig direct hard work for normal contrsuction paintings for any given method, plant, or position. notwithstanding this booklet, the reader has a competent strategy of acquiring and streamlining an efficent version of operation
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Additional resources for Estimator's general construction man-hour manual
Example text
See respective t a b l e s for t h e s e c h a r g e s . 35 — — Manhours are for the fabrication and placement of above outlined operations a s are necessary for the construction of box type road drainage culverts. Manhours do not include earth work or the installation of pipe. these charges. See respective tables for SITE DRAINAGE PIPE AND STRUCTURES 43 HEADWALL, CATCH B A S I N , A N D M A N H O L E CONCRETE MANHOURS PER CUBIC YARD MANHOURS Item ; Laborer Carpenter Oper. Engr. 29 Manhours do not include fabrication or erection of formwork, the placement of reinforcing steel, or the finishing of concrete.
90 Manhours include necessary labor for operating and maintaining equipment for the above type of work. Manhours are based on loading area and haul lanes being fairly level and in average condition and soil being ordinary dry earth* Manhours do not include spotting or grade checking. For heavy or hard soil increase manhours eight (8) percent. Manhours are based on equipment working at seventy-five (75) percent efficiency. 18 SITE-GRADING & STRUCTURAL EXCAVATION GENERAL. S I T E G R A D I N G MANHOURS PER HUNDRED (100) CUBIC YARDS Manhours Item Operating Engineer Grading with Self-Loading.
Manhours are for the installation of bituminous coated metal pipe. For plain, galvanized metal pipe deduct ten (10) percent from unit manhours. 60 Above manhours include minor hand excavations for grade and excavations for b e l l s where required for all types of drain l i n e s such a s tile, concrete and corrugated metal in pre-excavated ditches. Manhours are average for one hundred (100) linear feet of ditch measured on center line. Manhours do not include excavation of ditch or placement of pipes.