PDF Brochure OKA RC U-SHAPE DRAINS |  | U-DRAINS WITHOUT
DRY WEATHER FLOW (DWF) CHANNEL | U-DRAINS WITH
DRY WEATHER FLOW (DWF) CHANNEL |
DESIGN AND SPECIFICATIONS | 1. | Structural design in accordance with requirements of BS 8110:1997
| 2.
| Concrete characteristic strength :
| 30N/mm2 - 40N/mm2
| 3.
| Concrete cover :
| Standard Size U-Drains - 25mm; Super Size U-Drains - 30mm
| 4.
| Loading criteria are shown below :
| |
 | | For other design considerations or specifications not shown here, please contact our Technical Department |
HANDLING, STACKING, LAYING, JOINTING AND BACKFILLING | • Handling : | A spreader beam to be used with steel pins and lifting cables to avoid cracking at junction of side wall and base slab. | | • Stacking : | U-drains are to be stacked on level and stable ground to avoid cracking of base slab. | | • Laying : | U-drains should be laid on prepared bedding to ensure uniform support under the full width and length of the U-drains. | | • Jointing : | Butt joints. Gaps normally to be filled up with cement-sand mortar. | | • Backfilling : | Backfilling with selected free draining backfill material. Avoid use of heavy vibratory equipment next to side walls. |
STANDARD SIZE U-DRAINS (PAGE 1 OF 1)
 | | OKA U-DRAINS COME IN STANDARD LENGTH OF 1 METRE |
| STANDARD SIZE U-DRAINS - DIMENSIONS AND PRODUCT WEIGHT | 
|
* NON STANDARD SIZES AND NON STANDARD LOADING CONDITIONS CAN BE MANUFACTURED UPON REQUEST
SUPER SIZE U-DRAINS (PAGE 1 OF 2)
 | | OKA U-DRAINS COME IN STANDARD LENGTH OF 1 METRE |
| SUPER SIZE U-DRAINS - DIMENSIONS AND PRODUCT WEIGHT |  |
| SUPER SIZE U-DRAINS (PAGE 2 OF 2) |  |
* NON STANDARD SIZES AND NON STANDARD LOADING CONDITIONS CAN BE MANUFACTURED UPON REQUEST
Top of Page
Download PDF Brochure
|
