除场地北侧密封沟内侧 3m 不需打设塑料排水板外均需打设 SPB-B

Except for 3m inside the sealing ditch on the north side of the site, no plastic drainage board is required, and SPB-B type boards are required. The total construction is about 683760m. After the site is backfilled to an elevation of + 3.9m and leveling is completed, plastic drainage boards are erected. The plastic drainage board adopts B type board, the board width is 100mm, the thickness is 4.0mm, the square is arranged, the spacing is 1.0m, and the drainage board is 21m long.

In addition to the north side of the site sealing ditch inside 3m do not need to set up plastic drainage plate, the Need to set up SPB-B plate, the total construction amount of about 683760m. The site is backfilled to a height of 3.9m and leveled, the plastic drainboard is set. Plastic drainage plate using B-plate, plate width 100mm, thickness 4.0mm, square arrangement, spacing 1.0m, drainboard length 21m.

Spb-b type board is required to be built except for the plastic drainage board which is not required to be built 3M inside the sealing ditch on the north side of the site. The total construction amount is about 683760m. After the site is backfilled to the elevation of + 3.9m and leveled, the plastic drainage board shall be set. The plastic drainage board adopts B-type board, with width of 100mm and thickness of 4.0mm, square layout, spacing of 1.0m and length of 21m.<br>