CH. 4

Question 1

SPOIL BOX

Answer 1

A BOX THAT HOLDS THE SPOIL WITHIN ITS WALLS.

Question 2

CUT AND COVER

DIG AND SET

Answer 2

PLACING THE SPOIL FROM ONE PORTION OF THE TRENCH OVER THE PREVIOUSLY LAID PIPE.

Question 3

CLEARING GRASS AND BRUSH

Answer 3

PROVIDE FIREBREAKS AROUND WORK AND MATERIALS.

Question 4

TREE REMOVAL

Answer 4

BACKHOE AND CHAINSAW ARE 2 MOST USED PIECES OF EQUIPMENT.

Question 5

PLANNING THE WORK,

Answer 5

FIRST PRIORITY SHOULD BE LOCATING EXISTING UTILITIES.

Question 6

MATERIAL LAYOUT

Answer 6

SAVES TIME AND MONEY ON EVERY JOB.

Question 7

MATERIAL LAYOUT 2

Answer 7

MATERIAL SHORTAGES AND OMISSIONS CAN BE DISCOVERED.

Question 8

TOOLS

Answer 8

GIVE EACH CREW A FULL SET OF HAND TOOLS.

Question 9

UNCLASSIFIED EXCAVATION

Answer 9

SOIL TYPE UNKNOWN.

Question 10

WATER TABLE

Answer 10

LEVEL OF UNDERGROUND WATER.

Question 11

GROUNDWATER PROBLEMS

Answer 11

dangerous to work in.

unuseable backfill.

Question 12

SATURATED SOIL

Answer 12

CLAY AND SILT ARE IMPOSSIBLE TO COMPACT.

Question 13

WELLPOINT DEWATERING

Answer 13

WORKS VERY WELL IN SANDY SOILS

Question 14

CONE OF DEPRESSION

Answer 14

DEPENDS ON:
PERMEABILITY OF SOIL
QUANTITY OF WATER DRAWN FROM BOTTOM OF CONE
SPEED WITH WHICH IT IS DRAWN