Steel sheet pile (sheet pile) extraction (electric)

① This is based on the work of driving or extracting steel sheet piles using an electric vibratory pile hammer. ② It includes work preparation, pile driving and extraction, and finishing and cleanup work. ③ Pile splicing (welding), fabrication and installation of guide beams, and on-site fabrication of wedge-shaped piles, etc. are excluded. ④ It includes the costs of the vibratory pile hammer, crane, and generator. ⑤ Material purchase and transport costs, and the cost of an auxiliary crane for short-distance transport are excluded. ⑥ The application criteria for pile driving or extraction are as follows. - Driving/extraction length (ℓ) : Length for each specification - Soil type : Cohesive soil - Pile specifications shall conform to the following. Specification Remarks Steel sheet pile Type3 400 × 150 × 13 Steel sheet pile Type4 400 × 170 × 15.5

- This unit price is based on cases where no interference occurs from adjacent facilities (houses, railways, roads, etc.) and sufficient space is secured for standing the piles. - Apply by multiplying the following coefficients according to the construction scale. Category Standard market unit price Labor ratio Construction quantity 100 piles or more 1.00 1.00 Construction quantity less than 100 piles 1.06 1.00