REDI-ROCK
CROSS-SECTION B-B'
72" (1830 mm) XL BLOCKS
Note: Upper row of block shown in color, with cut-out at shear groove location to illustrate engagement with and location of shear knobs on underlying row (shown in gray).
72" (1830 mm) XL block (typ.)
upon delivery to assure proper material has been received.
Contractor shall prevent excessive mud, wet cement and like materials from coming in contact with the SRW units.
Contractor shall protect the materials from damage. Damaged material shall not be incorporated in the project.
B.Free draining backfill shall be washed crushed stone (#57 stone), and shall be placed behind the back of the wall as show on the cross-sections and within he hollow blocks, as Non-woven geotextile cloth (Mirafi 140N or equivalent) shall be placed on all sides of the free draining backfill and where the wall abuts another wall. Where additional fill is needed, Contractor shall submit sample to the Geotechnical Engineer for approval.
C. PART 3: CONSTRUCTION OF WALL SYSTEM
3.1 Excavation
Contractor shall excavate to the lines and grades shown on the construction drawings.
3.2 Foundation Soil Preparation
A.Native bearing soil shall be compacted at least 1 foot below the bottom of the leveling pad to at least 95 percent of the maximum dry density (ASTM D1557). If soils can not be compacted due
B.
Foundation preparation shall be performed under full-time observation by a representative of Universal Engineering Sciences. If foundation subgrade materials are found to be unsuitable, the Contractor shall excavate any unsuitable material and backfill with approved material prior to compaction.
3.3 Foundation Exploration
Wall site should be checked for unsuitable organic or clay soils prior to wall construction. Any unsuitable organic or clay soil shall be removed full-depth prior to wall construction.
3.4 Leveling Pad Placement
Leveling pad
In-place density tests shall be performed at a frequency of one test every 100-foot length of wall.
Odd Row
Cut lift hooks after setting block, as required
28" (710 mm) retaining blocks (two blocks stacked)
90° corner blocks (two blocks stacked)
Trimming shear knobs with concrete chop saw may be required for proper alignment
Generally align texture of corner blocks with top half of adjacent XL blocks
72" (1830 mm) XL block (typ.)
52" (1320 mm) XL block (typ.)
Trimming shear knobs with concrete chop saw may be required for proper alignment
TYPEDESCRIPTIONCOUNT
T2820
HT28 HALF 28" TOP BLOCK1
M28
REDI-ROCK BLOCK SCHEDULE M41
MIDDLE BLOCK22
HM28 HALF 28" MIDDLE BLOCK1 B28 28" BOTTOM BLOCK 2
HB60 HALF 60" BOTTOM BLOCK4
XL BLOCK 18
FHCGFREESTANDING HALF CORNER 1
FCG FREESTANDING CORNER GARDEN1
CGTCORNER GARDEN TOP BLOCK2
FCMCORNER MIDDLE BLOCK12
FCBCORNER BOTTOM BLOCK2
Generally align texture of corner blocks with top half of adjacent XL blocks
90° corner blocks (two blocks stacked)
Even Row