Earthwork, Embankment & Subgrade Speci - Watermark
Earthwork, Embankment & Subgrade Speci - Watermark
Earthwork, Embankment & Subgrade Speci - Watermark
❑ EQUIPMENT REQUIRED:-
▪ MANUAL LABOUR(PICK, SPADE OR SHOVEL & RAKE)
▪ BY MECHANICAL MEAN
EARTHWORK
CLASSIFICATION OF EXCAVATED MATERIAL
2. ORDINARY ROCK (BLASTING NOT REQUIRED)
➢ ROCKS SUCH AS LATERITES,SHALES & CONGLOMERATES
➢ LIMESTONE & SANDSTONE
➢ WATER BOUND & BITUMEN BOUND MACADAM, CEMENT
CONCRETE PAVEMENT,COBBLE STONE & COMPACTED
MAROOM AND BOULDERS WHICH DO NOT REQUIRE BLASTING.
EARTHWORK
CLASSIFICATION OF EXCAVATED MATERIAL
3. HARD ROCK (BLASTING REQUIRED)
➢ ANY ROCK AND (CC OR RCC) BELOW GROUNG LEVEL OF WHICH
THE USE OF MECHANICAL PLANT OR BLASTING IS REQUIRED
➢ BOULDERS REQUIRING BLASTING
EARTHWORK
CLASSIFICATION OF EXCAVATED MATERIAL
4. HARD ROCK (USING CONTROLLED BLASTING )