greater than 1% weight loss when subjected to 50 cycles of freezing and thawing, with no breakage. 2.3 Grout (if specified) Concrete grout shall have a minimum 28 day compressive strength of 30 MPa or as specified by the Engineer. 2.4 Reinforcing Wire (if specified)
Stainless steel wire shall by type 304. Diameter shall be 3.2mm. Galvanized wire shall be 10ga.
2.5 Anchors (if specified) One of the following anchoring methods can be utilized depending on specific structural requirements and site conditions.
.1 .2 .3 .4
(100mm x 100mm x 900mm) Reinforced concrete anchors. T-Bar earth anchors 900mm long. Helical screw anchors. Deadman Anchors.
2.6 Approved Source of Supply Risi Stone Systems (M) Sdn. Bhd. 58, 5 ½ Mile JALAN KLANG 58000 Kuala Lumpur Malaysia Phone: 603/7782-8322 Fax: 603/7781-5730 3. INSTALLATION To be installed in strict accordance with the design plan and profile. 3.1 Subgrade Preparation Subgrade materials, either native or imported, on which the block system is to be installed shall be compacted to 95% Standard Proctor Density and trimmed the design subgrade Fine grading (no more than 50mm) should be done with MTO specification #1010 Gran F with no organic materials. 3.2 Geotextile .1 The geotextile shall be placed directly on the prepared subgrade, and be in complete intimate contact of the prepared surface. Bridging of small hollows will not be permitted. Place geotextile on sloping surfaces in one continuous length and dig top edge 300mm. Overlapping at joints shall be a minimum of 300mm. Secure and protect fabric against displacement of block system. .2 .3 .4