SOLUTIONS RATED A+
✔✔ASME B31.4 - ✔✔Standard Pipeline Transportation Systems for Liquids and
Slurries
✔✔ASME B31.8 - ✔✔Standard Gas Transmission and Distribution Piping Systems
✔✔29 CFR Part 1910 - ✔✔Regulation Occupational Safety and Health Standards
✔✔29 CFR Part 1926 - ✔✔Regulation Safety and Health Regulations for Construction
✔✔49 CFR Part 192 - ✔✔Regulation Transportation of Natural and Other Gas by
Pipeline
✔✔49 CFR Part 195 - ✔✔Regulation Transportation of Hazardous Liquids by Pipeline
✔✔White - ✔✔Proposed Excavation
✔✔Pink - ✔✔Temporary Survey Markings
✔✔Red - ✔✔Electrical
✔✔Yellow - ✔✔Gas, Oil, Steam, Petroleum or Gaseous Materials
✔✔Orange - ✔✔Communication, Alarm or Signal Lines
✔✔Blue - ✔✔Potable Water
✔✔Purple - ✔✔Reclaimed Water
✔✔Green - ✔✔Sewers and drain lines
✔✔Trenches _____ depth or Confined Spaces must be monitored before entry. Safe
oxygen levels are ________ - ✔✔4' 19.5% - 23.5%
✔✔Trenches _____ deep or greater require a protective system which can be sloping,
benching, trench boxes - ✔✔5'
✔✔Trenches _____ deep or greater require a protective system designed by a PE -
✔✔20'
, ✔✔4 soil types and sloping - ✔✔1. Rock=90 deg. or vertical 2. Type A=3/4:1 or 53 deg.
3. Type B=1.1 or 45 de. 4. Type C= 1 1/2:1 or 34 deg.
✔✔Trench Boxes must extend ____above outside soil level - ✔✔18"
✔✔In 29 CFR 1910 subpart ___ covers excavations - ✔✔P
✔✔Encroachment Area - ✔✔Area where the ground disturbance occurs within 50' of
centerline of ROW, facility or easement
✔✔Active Excavation Area - ✔✔Area where the edge of the disturbance is within 25' of
centerline of existing facilities
✔✔Excavation Tolerance Zone - ✔✔Area within 24" of facilities or the distance
mandated by state law, whichever is greater. NOTE: CGA & INGAA says 18".
✔✔When an excavation is within _____ of a pipeline facility an OQ qualified
representative shall be continuously present during all excavation and backfilling
activities to ensure that criteria is being met. - ✔✔10'
✔✔INGAA states that crossing company shall not permit soil disturbance within ____ of
the centerline of existing pipeline facilities without an owners rep being present. - ✔✔25'
✔✔Crossing angle - ✔✔As close to perpendicular as possible
✔✔ROW is established thru a written document known as the - ✔✔Easement
✔✔Plan devised between the Owner and crossing party to specify the details and
provisions under which the crossing construction shall occur - ✔✔Crossing plan
✔✔Hearing protection required in areas ____________ - ✔✔Noise level exceeds 85
dba over an 8 hour period. INGAA states during pressure testing to keep under 80 dba's
✔✔Flammable Liquids - ✔✔Class 1 liquids having a flash point below 100 deg F.
Gasoline.
✔✔Combustible Liquids - ✔✔Class 2 liquids having a flash point above 100 deg F.
Diesel, jet fuel motor oil
✔✔Hydro test parameters per 49 CFR 195 - ✔✔4 hrs @ 125% Max Operating Pressure
for above ground pipe. 8 hrs @ 110% MOP.
✔✔Remain _______ from any pipe being hydro-tested - ✔✔100'